Rotate out 6 more months of ChangeLog entries.

From-SVN: r35373

1 files changed, 16860 insertions, 0 deletions

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+2000-06-30  Mark Mitchell  <mark@codesourcery.com>
+
+	* Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
+	* c-common.c (ridpointers): Declare.
+	* c-common.h (enum rid): Declare.
+	(NORID): Likewise.
+	(ridpointers): Likewise.
+	* c-lex.c (ridpointers): Don't declare.
+	(init_lex): Initialize ridpointers.
+	* c-lex.h (enum rid): Don't declare.
+	(NORID): Likewise.
+	(RID_FIRST_MODIFIER): Likewise.
+	(ridpointers): Likewise.
+
+2000-06-30  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
+	have global scope.
+
+2000-06-30  Martin von Loewis  <loewis@informatik.hu-berlin.de>
+
+	* invoke.texi (-Wreturn-type): In C++, a missing return type is
+	always an error.
+
+2000-06-30  Catherine Moore  <clm@cygnus.com>
+
+	* c-common.c (decl_attributes):  Differentiate between
+	types and type decls for alignment.
+
+2000-06-30  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* cpp.texi: Document #pragma GCC dependency
+	* cppfiles.c (open_include_file): Set date to unknown.
+	(_cpp_compare_file_date): New function.
+	(read_include_file): Set file date.
+	* cpphash.h (struct include_file): Add date member.
+	(_cpp_compare_file_date): Prototype.
+	* cpplib.c (parse_include): Add trail parameter. Adjust.
+	(do_include): Adjust parse_include call.
+	(do_import): Likewise.
+	(do_include_next): Likewise.
+	(gcc_pragmas): Add dependency pragma.
+	(do_pragma_dependancy): New pragma.
+
+2000-06-29  Jason Merrill  <jason@redhat.com>
+
+	* dwarf2out.c (output_loc_operands): Don't abort on codes that have
+	no operands.
+
+2000-06-29  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
+	a volatile mem and FR_REGS.
+
+2000-06-29  Mark Mitchell  <mark@codesourcery.com>
+
+	* c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
+	* c-common.h (flag_const_strings): Declare.
+	(warn_format): Likewise.
+	(flag_traditional): Likewise.
+	(flag_isoc99): Likewise.
+	(warn_parentheses): Likewise.
+	(warn_conversion): Likewise.
+	(C_TYPE_OBJECT_P): Likewise.
+	(C_TYPE_INCOMPLETE_P): Likewise.
+	(C_TYPE_FUNCTION_P): Likewise.
+	(C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
+	(C_EXP_ORIGINAL_CODE): Likewise.
+	(build_unary_op): Likewise.
+	(build_binary_op): Likewise.
+	(lvalue_p): Likewise.
+	(default_conversion): Likewise.
+	(common_type): Likewise.
+	* c-tree.h (C_TYPE_OBJECT_P): Remove.
+	(C_TYPE_INCOMPLETE_P): Likewise.
+	(C_TYPE_FUNCTION_P): Likewise.
+	(C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
+	(C_EXP_ORIGINAL_CODE): Likewise.
+	(common_type): Likewise.
+	(default_conversion): Likewise.
+	(build_binary_op): Likewise.
+	(build_unary_op): Likewise.
+	(lvalue_p): Likewise.
+	(flag_const_strings): Likewise.
+	(warn_format): Likewise.
+	(warn_conversion): Likewise.
+	(flag_traditional): Likewise.
+	(flag_isoc99): Likewise.
+	(warn_parentheses): Likewise.
+
+2000-06-29  James E. Wilson  <wilson@cygnus.com>
+
+	* config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
+
+	* config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
+	same.  Only tie XFmode with XFmode.
+
+2000-06-29  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* c-decl.c, timevar.c, tlink.c: Include intl.h.
+	* Makefile.in: Update deps.
+
+2000-06-29  Andrew Haley  <aph@cygnus.com>
+
+	* toplev.c (main): On an IA-64, make flag_unwind_tables defauit
+	to true.
+
+2000-06-29  Andrew Haley  <aph@cygnus.com>
+
+	* config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
+	bytes: remove the multiply by 8.
+
+2000-06-29  Philipp Thomas  <pthomas@suse.de>
+
+	* rtl.c : Revert NLS changes.
+	* gcc.c : Fix bug in display_help introced by my last changes.
+
+Wed Jun 28 21:09:33 2000   Raja R Harinath <harinath@cs.umn.edu>
+
+	* dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
+	DECL_CONTEXT, not DECL_FIELD_CONTEXT.
+
+2000-06-29  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* flow.c (flow_depth_first_order_compute): Fix algorithm.
+
+2000-06-28  Philipp Thomas  <pthomas@suse.de>
+
+	* c-decl.c : Mark strings for translation.
+	(parmlist_tags_warning): Use distinct messages instead
+	of conditional expressions.
+	* diagnostic.c (v_message_with_decl): Mark string for translation.
+	* gcc.c: Mark messages for translation.
+	(display_help): Combine messages into one string where necessary.
+	* mips-tfile: Add intl.h. Mark messages for translation.
+	* rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
+	messages for translation.
+	* timevar.c: Mark messages for translation.
+	* tlink.c: Likewise.
+	* toplev.c: Likewise.
+
+Wed Jun 28 15:39:26 2000  Donn Terry (donnte@microsoft.com)
+
+	* i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
+
+	* alpha/alpha-interix.h: Delete redundant -Asystem(interix),
+	use -isystem instead of -idirafter.
+	* i386/i386-interix.h: Likewise.
+
+2000-06-28  Jason Merrill  <jason@redhat.com>
+
+	* dwarf2out.c (output_loc_operands): Don't support >1 byte output
+	unless DWARF2_DEBUGGING_INFO is defined.
+	(ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
+
+2000-06-28  Richard Henderson  <rth@cygnus.com>
+
+	* config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
+
+2000-06-28  Jakub Jelinek  <jakub@redhat.com>
+
+	* cpplex.c (output_line_command): Output correct #line if a header
+	is including itself and is not protected against multiple inclusion.
+
+2000-06-28  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c (open_include_file): If open(2) returns EMFILE or
+	ENFILE, close all cached file descriptors and try again.
+	(_cpp_execute_include): Keep a count of the number of times
+	each header is included.
+	(close_cached_fd): New function.
+	* cpphash.h (struct include_file): Rename before to
+	include_count; all users updated.  Make include_count and sysp
+	unsigned short.
+	* cppinit.c (cpp_finish): If -H, report headers that could use
+	reinclude guards.
+	(report_missing_guard): New function.
+
+Wed Jun 28 14:46:58 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.md (prologue_set_got): Set length_immediate field.
+	(testqi_ccno_1):  Add missing '@' character.
+
+2000-06-27  Jason Merrill  <jason@redhat.com>
+
+	* dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
+	DWARF_FRAME_REGNUM.
+
+2000-06-27  Andrew Macleod <amacleod@cygnus.com>
+
+	* dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
+	unsigned macros available.
+
+2000-06-27  Richard Henderson  <rth@cygnus.com>
+
+	* config/ia64/ia64.c (emit_insn_group_barriers): Special case
+	epilogue_deallocate_stack.
+
+	* config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
+	completers for UNORDERED and ORDERED as well.
+	* config/ia64/ia64.md (bunordered, bordered): New.
+	(sunordered, sordered): New.
+
+Tue Jun 27 12:14:12 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
+	* i386.c (ix86_attr_length_default): Kill.
+	(ix86_attr_length_immediate_default, ix86_attr_length_address_default):
+	New.
+	* i386-protos.h (ix86_attr_length_default): Kill
+	(ix86_attr_length_immediate_default, ix86_attr_length_address_default):
+	Add prototype
+	* i386.md (attribute type): Add "test".
+	(attribute length_prefix): Kill.
+	(attribute length_opcode): Kill.
+	(attribute i387, mode, length_immediate, length_address, prefix_data16,
+	prefix_rep, prefix_0f, modrm): New.
+	(attribute length): Compute using the new attributes.
+	(attribute pent_prefix): New.
+	(attribute pent_pair): Compute using pent_prefix.
+	(all insn patterns): Set mode,modrm and immediate_length attributes where
+	needed.
+	(cmpsi patterns): Compute sizes propertly for test instruction.
+	(movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
+	(movstricthi_xor, movstrictqi_xor): New patterns.
+	(andsi/andhi): Use splitters to generate xor instructions.
+	(xorqi_ext_1): New pattern.
+	(movstricthi->movstricthi_xor peep2): New.
+
+Tue Jun 27 12:03:03 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.md (addqi_low_1): Remove.
+
+2000-06-27  Philipp Thomas  <pthomas@suse.de>
+
+	* 1750a.h: Mark help strings for options/switches for translation.
+	* a29k.h: Likewise.
+	* alpha.h: Likewise.
+	* arm.h: Likewise.
+	* pe.h: Likewise.
+	* riscix.h: Likewise.
+	* c4x.h: Likewise.
+	* clipper.h: Likewise.
+	* convex.h: Likewise.
+	* elxsi.h: Likewise.
+	* fr30.h: Likewise.
+	* fx80.h: Likewise.
+	* h8300.h: Likewise.
+	* i370.h: Likewise.
+	* cygwin.h: Likewise.
+	* dgux.h: Likewise.
+	* djgpp.h: Likewise.
+	* i386.h: Likewise.
+	* osf1elf.h: Likewise.
+	* osfrose.h: Likewise.
+	* sco5.h: Likewise.
+	* win32.h: Likewise.
+	* i860.h: Likewise.
+	* paragon.h: Likewise.
+	* i960.h: Likewise.
+	* ia64.h: Likewise.
+	* m32r.h: Likewise.
+	* mcore.h: Likewise.
+	* mips.h: Likewise.
+	* mn10300.h: Likewise.
+	* ns32k.h: Likewise.
+	* pdp11.h: Likewise.
+	* pj.h: Likewise.
+	* aix.h: Likewise.
+	* aix41.h: Likewise.
+	* aix43.h: Likewise.
+	* beos.h: Likewise.
+	* rs6000.h: Likewise.
+	* sysv4.h: Likewise.
+	* linux.h: Likewise.
+	* linux64.h: Likewise.
+	* sp64-elf.h: Likewise.
+	* sparc.h: Likewise.
+	* splet.h: Likewise.
+	* v850.h: Likewise.
+	* convex.h (TARGET_SWITCHES): Provide descriptions and mark them
+	for translation.
+	* sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
+	Properly document option and mark for translation.
+	* sp86x-elf.h: Likewise.
+
+2000-06-27  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	Add MMX and SSE registers to i386 machine description.
+	* i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
+	ix86_local_alignment): Declare.
+
+	* i386.h (TARGET_MMX, TARGET_SSE): New.
+	(FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
+	REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
+	REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
+	enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
+	(FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
+	(FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
+	(RETURN_IN_MEMORY): Handle MMX/SSE.
+	(REG_PARM_STACK_SPACE): Added so the first three TImode parameters
+	also get stack space.
+	(MUST_PASS_IN_STACK): Added TImode to the default definition.
+	(CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
+	(MMX_REGISTER_NAMES): New.
+	(ALIGN_MODE_128): New macro.
+	(CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
+	(DATA_ALIGNMENT): Likewise.
+	(LOCAL_ALIGNMENT): Likewise.
+	(CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
+	TARGET_MMX/TARGET_SSE.
+	(VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
+	(REG_CLASS_FROM_LETTER): 'y' for MMX regs.
+	(SECONDARY_MEMORY_NEEDED): Be conservative about copying between
+	SSE/MMX regs and something else.
+	(CLASS_MAX_NREGS): 1 for SSE and MMX regs.
+	(REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
+	3 if moving between MMX regs and something else.
+
+	* i386.c (reg_class): Add SSE_REGS, MMX_REGS.
+	(regclass_map): Add MMX/SSE registers.
+	(print_operand): Add code to print XMMWORD as appropriate.
+	(ix86_split_movdi): Abort for MMX regs.
+	(init_cumulative_args): Also allow SSE_REGS
+	(function_arg_advance, function_arg): Likewise
+	(print_reg): Support 'm'.  Add case for TImode.
+	(override_options): TARGET_SSE implies TARGET_MMX.
+	(ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
+	New functions.
+
+	* config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
+	FIRST_SSE_REG.
+	* config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
+	memory.
+	* config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
+	* config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
+
+2000-06-26  Geoff Keating  <geoffk@cygnus.com>
+
+	* ssa.c (struct rename_set_data): Change the name of field
+	'set_dest' to 'old_reg'.  Add comments.
+	(struct rename_context): Change the name of 'set_data' to
+	'new_renames'.  Add new field 'done_renames'.
+	(create_delayed_rename): New function.
+	(apply_delayed_renames): New function.
+	(rename_insn_1): Use the new functions.  Handle CLOBBERS.  Handle
+	SUBREGs and similar by emitting a move.
+	(new_registers_for_updates): Delete, functionality moved to
+	apply_delayed_renames.
+	(rename_block): Handle moves emitted by rename_insn_1 by putting
+	them into a SEQUENCE with the original insn.  Add sanity checks
+	and comments.
+	(rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
+	(rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
+
+2000-06-26  Andrew Macleod <amacleod@cygnus.com>
+	    Jason Merrill <jason@redhat.com>
+
+	* dwarf2.h (enum dwarf_call_frame_info): Add
+	DW_CFA_def_cfa_expression.
+	* dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
+	dw_loc_descr_struct entry.
+	(struct cfa_loc): New structure to track a CFA location.
+	(lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
+	(lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
+	offset, plus handle DW_CFA_def_cfa_expression.
+	(def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
+	cfa_loc record.
+	(dwarf2out_def_cfa): Entry point maintained for compatability.
+	(dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
+	(cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
+	(cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
+	(initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
+	cfa_reg.
+	(dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
+	sequences for the new DW_CFA_def_cfa_expression record.
+	(dwarf2out_frame_debug): Use new variables/fields.A
+	(output_cfi): Handle DW_CFA_def_cfa_expression.
+	(output_cfa_loc): New function to generate a CFI record for
+	DW_CFA_def_cfa_expression.
+	(get_cfa_from_loc_descr): New function to get a cfa_loc record from
+	a dw_loc_descr sequeunce.
+	(build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
+	(dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
+	size_of_locs, output_loc_operands, output_loc_sequence): Move into
+	unwind info section.
+	* frame.h (frame_state): Add base_offset and indirect fields.
+	* frame-dwarf2.c (decode_stack_op): New function to interpret a
+	dw_loc_descr operation.
+	(execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
+	(struct frame_state): Add base offset and indirect fields.
+	* libgcc2.c (next_stack_level): Support indirect loading for CFA.
+
+2000-06-26  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+	* c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
+	Make warnings about implicit int be pedwarns in C99.  Don't warn
+	about duplicate type qualifiers in C99.
+	(start_function): Make warning about implict int return type be a
+	pedwarn in C99.
+	* c-lex.c (yylex): Don't warn about `long long' in C99.
+	* c-typeck.c (c_expand_return): In C99, always pedwarn about
+	`return' with no value in function returning non-void.
+
+2000-06-26  Richard Henderson  <rth@cygnus.com>
+
+	* c-typeck.c (pedwarn_c99): New.
+	* diagnostic.c (verror, vwarning, vpedwarn): Export.
+	* toplev.h: Prototype them.
+
+2000-06-26  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* c-typeck.c (digest_init): Return error_mark_node node when
+	TREE_TYPE (init)  == error_mark_node.
+
+2000-06-26  Philipp Thomas  <pthomas@suse.de>
+
+	* aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
+	test for msgfmt without path instead.
+	* configure: Rebuilt.
+
+2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+	* gengenrtl.c (special_rtx): Fix typo in comment.
+
+2000-06-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* mklibgcc.in (LIB2FUNCS): Add missing space.
+
+2000-06-24  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* tree.h (enum tree_index): Add vector type nodes.
+	Add accessor macros for them.
+	(TYPE_REPRESENATION_TYPE): New macro.
+	* tree.c (build_common_tree_nodes_2): Build these nodes.
+	(finish_vector_type): New function.
+	* c-common.c (type_for_mode): Handle vector modes.
+	* tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
+
+	* dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
+	* dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
+	* dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
+	(gen_type_die): Likewise.
+	* dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
+	(fundamental_type_code): Likewise.
+	(type_is_fundamental): VECTOR_TYPEs aren't.
+	(output_type): Handle VECTOR_TYPEs.
+
+2000-06-25  Kazu Hirata  <kazu@hxi.com>
+
+	* config/arm.c: Fix a comment typo.
+	* config/arm.h: Likewise.
+
+2000-06-25  Philipp Thomas  <pthomas@suse.de>
+
+	* aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
+	compiler found.
+	AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
+	* configure: Rebuilt.
+
+2000-06-25  John David Anglin  <dave.anglin@nrc.ca>
+
+	* config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
+
+2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+	* mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
+	libgcc.a.
+
+2000-06-24  Marc Espie <espie@cvs.openbsd.org>
+
+	* collect2.c (resolve_lib_name): Move '/' check out of loop.
+
+2000-06-24  Dirk Duellmann  <Dirk.Duellmann@cern.ch>
+
+	* ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
+
+2000-06-24  Jakub Jelinek  <jakub@redhat.com>
+
+	* stmt.c (expand_decl_cleanup): Emit a dummy insn after
+	last_unconditional_cleanup.
+
+2000-06-24  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* tree.def (VECTOR_TYPE): New node type.
+	* tree.h: Adjust some comments to reflect addition of vector types.
+	(TYPE_VECTOR_SUBPARTS): New macro.
+	* stor-layout.c (layout_type): Handle VECTOR_TYPE.
+	* c-convert.c (convert): Likewise.
+	* convert.c (convert_to_integer): Handle vector modes.
+	(convert_to_vector): New function.
+	* convert.h (convert_to_vector): Declare.
+	* expr.c (convert_move): Handle vector modes.
+	* expmed.c (extract_bit_field): Don't abort for vector modes.
+
+2000-06-24  Marek Michalkiewicz  <marekm@linux.org.pl>
+
+	* config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
+	* config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
+	New functions, common code moved from function_{prologue,epilogue}
+	and extended to support the -mtiny-stack option.
+	(function_prologue, function_epilogue): Use them.
+	Use lo8/hi8 consistently for asm output readability.
+	(avr_hard_regno_mode_ok): New function.
+	* config/avr/avr.h (TARGET_SWITCHES): Fix typo.  Add -mtiny-stack.
+	(UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
+	(HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
+	* config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
+	Write SPH before SPL.
+	(*movqi): No need to disable interrupts for just one "out"
+	in alternative 5.  Change length attribute from 4 to 1.
+	* config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
+	Write SPH before SPL.
+
+2000-06-24  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* rtl.texi (Vector Operations): New node.
+	(Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
+	(Conversions): Add ss_truncate, us_truncate.
+	* rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
+	VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
+	US_TRUNCATE): New rtx codes.
+	* machmode.def: Add vector modes.
+	* machmode.h (enum mode_class): Add MODE_VECTOR_INT and
+	MODE_VECTOR_FLOAT.
+	(INTEGER_MODE_P): Check for MODE_VECTOR_INT.
+	(FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
+	(VECTOR_MODE_P): New.
+
+2000-06-24  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* cpp.texi: Clarify #pragma GCC namespace.
+
+2000-06-24  Philipp Thomas  <pthomas@suse.de>
+
+	* aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
+	all catalogs specified in ALL_LINGUAS.
+	* configure: Rebuilt.
+
+2000-06-23  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.md (reload_outdi+1): Handle
+	HOST_BITS_PER_WIDE_INT == 64 case correctly.
+	(adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
+
+2000-06-23  Geoffrey Keating  <geoffk@cygnus.com>
+
+	* alias.c (fixed_scalar_and_varying_struct_p): Don't examine
+	struct vs. scalar-ness when -fno-strict-aliasing.
+
+2000-06-23  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* cpplib.c (struct pragma_entry): New structure.
+	(pragma_dispatch): Pragma dispatcher.
+	(top_pragmas, gcc_pragmas): New static variables.
+	(do_pragma): Use pragma_dispatch.
+	(do_pragma_gcc): New pragma handler.
+	* cpp.texi: Update.
+
+2000-06-23  Jakub Jelinek  <jakub@redhat.com>
+
+	* calls.c (compute_argument_addresses): Force stack slots into
+	alias set 0.
+	* expr.c (emit_push_insn): Force pushes into alias set 0.
+
+2000-06-23  Richard Henderson  <rth@cygnus.com>
+
+	* config/ia64/ia64.md (pred_rel_mutex): Only take one register.
+	* config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
+
+2000-06-22  Jason Merrill  <jason@redhat.com>
+
+	* toplev.c (compile_file): Always call timevar_print.
+	* Makefile.in (calls.o): Depend on TIMEVAR_H.
+
+2000-06-22  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* varasm.c (constant_descriptor): Make contents unsigned char.
+	(mark_const_hash_entry): Adjust.
+	(const_hash): Just hash the code of unknown nodes.
+	(compare_constant_1): Adjust for unsigned char.
+	Use language specific expander on unknown nodes.
+	(record_constant_1): Likewise.
+
+2000-06-21  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c (cpp_make_system_header): New function.
+	* cpplib.h: Prototype it.
+	* cpplib.c (do_line, do_pragma_system_header): Use it.
+	* fix-header.c (read_scan_file): Use it.
+
+	* fix-header.c (check_macro_names): Cast second arg of
+	cpp_defined to const unsigned char *.
+	(read_scan_file): Make getchar_call const unsigned char.
+
+2000-06-21  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c: Include splay-tree.h, not hashtab.h.
+	(redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
+	(destroy_include_file_node): New.
+	(_cpp_init_include_hash): Rename _cpp_init_include_table.
+	Create a splay tree, not a hash table.
+	(open_include_file): Look up the path in the include table,
+	do the multiple include optimization here, etc.
+	(cpp_included): Walk the path.
+	(find_include_file): Just walk the path calling
+	open_include_file, or call it directly for an absolute path.
+	(_cpp_fake_ihash): Rename _cpp_fake_include and update for new
+	scheme.
+	(read_include_file): Update for new scheme.  Don't close the
+	file unless reading fails.
+	(_cpp_execute_include, cpp_read_file): Tweak for new scheme.
+
+	* cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
+	(struct include_file): New.
+	(NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
+	macros.
+	(CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
+	Update prototypes.
+
+	* cppinit.c: Include splay-tree.h.
+	(cpp_reader_init, cpp_cleanup): Update.
+
+	* cpplib.h (struct cpp_buffer): Change ihash field to
+	'struct include_file *inc'.  Remove system_header_p.
+	(struct cpp_reader): Change all_include_files to a
+	struct splay_tree_s *.
+
+	* cpplex.c: Update all references to cpp_buffer->ihash and/or
+	cpp_buffer->system_header_p.
+	(cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
+
+	* Makefile.in (SPLAY_TREE_H): New macro.
+	(cppfiles.o, cppinit.o): Update dependencies.
+
+Wed Jun 21 11:05:48 2000  Martin Buchholz <martin@xemacs.org>
+
+	* invoke.texi (g++): "g++" is not a script anymore.
+
+2000-06-20  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* function.c (round_down): Delete obsolete prototype.
+
+	* pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
+
+2000-06-20  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* configure.in: Use 'test a = b' not 'test a == b'.
+	* configure: Regen.
+
+	* Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
+
+	* Makefile.in: Remove all references to HOST_INTLLIBS.
+
+	* cpplex.c (parse_name): Don't warn about $ in identifiers if
+	skipping.
+
+2000-06-20  Philipp Thomas  <pthomas@suse.de>
+
+	* config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
+	for PA 2.0.
+
+Mon Jun 19 23:26:40 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* Take REG_INC notes into account.
+
+2000-06-19  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
+	(primary: IDENTIFIER): Just call build_external_ref.
+	* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
+	Regenerate.
+	* c-lex.c (lastiddecl): Remove.
+	(yylex): Replace all instances of lastiddecl with local
+	variables.
+
+	* c-typeck.c (build_external_ref): New function.  Treat decls
+	with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
+	Look up the decl from the id here.  Call lookup_objc_ivar.
+	* c-lang.c (lookup_objc_ivar): Stub.
+	* objc/objc-act.c (lookup_objc_ivar): New function.
+
+	* c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
+	* c-lex.h: Don't declare lastiddecl.
+
+2000-06-19  Benjamin Chelf  <chelf@codesourcery.com>
+
+	* c-common.h (IF_COND): Added documentation.
+	(THEN_CLAUSE): Likewise.
+	(ELSE_CLAUSE): Likewise.
+	(WHILE_COND): Likewise.
+	(WHILE_BODY): Likewise.
+	(DO_COND): Likewise.
+	(DO_BODY): Likewise.
+	(RETURN_EXPR): Likewise.
+	(EXPR_STMT_EXPR): Likewise.
+	(FOR_INIT_STMT): Likewise.
+	(FOR_COND): Likewise.
+	(FOR_EXPR): Likewise.
+	(FOR_BODY): Likewise.
+	(SWITCH_COND): Likewise.
+	(SWITCH_BODY): Likewise.
+	(CASE_LOW): Likewise.
+	(CASE_HIGH): Likewise.
+	(GOTO_DESTINATION): Likewise.
+	(COMPOUND_BODY): Likewise.
+	(ASM_CV_QUAL): Likewise.
+	(ASM_STRING): Likewise.
+	(ASM_OUTPUTS): Likewise.
+	(ASM_INPUTS): Likewise.
+	(ASM_CLOBBERS): Likewise.
+	(DECL_STMT_DECL): Likewise.
+	(STMT_EXPR_STMT): Likewise.
+	(LABEL_STMT_LABEL): Likewise.
+
+	* c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
+	COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
+	RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
+	LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
+
+2000-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* configure.in (--enable-checking): Update --help doc to reflect
+	new defaults.  Ensure $ac_save_IFS is set before $IFS is changed.
+
+Sun Jun 18 21:42:15 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
+
+	* function.c (put_var_into_stack): Don't reference DECL_ fields
+	if input is a SAVE_EXPR.
+	Use set_mem_attributes in COMPLEX case.
+
+2000-06-18  Richard Henderson  <rth@cygnus.com>
+
+	* config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
+	(ia64_file_start): Declare.
+	* config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
+	(GR_REGNO_P): Likewise.
+	* config/ia64/ia64.c: Many prototypes.
+	(ia64_reg_numbers): Constify.
+	(ia64_input_reg_names, ia64_local_reg_names): Likewise.
+	(ia64_section_threshold): Make unsigned.
+	(ia64_print_operand): Constify.
+	(fix_range): Constify.
+	(ia64_init_builtins): Don't compare signed vs unsigned.
+	(ia64_expand_builtin): Likewise.
+
+	* config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
+	(CONSTRAINT_OK_FOR_Q): New.
+	* config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
+	(movsf_internal, movdf_internal): Likewise.
+	(cmovdi_internal): Rewrite so that constraints and predicates match;
+	simplify splitters.
+	(cmovsi_internal): Likewise.
+
+	* config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
+	(ASM_FILE_START): New.
+	* config/ia64/ia64.c (ia64_file_start): New.
+	(rtx_needs_barrier): Handle pred.rel.mutex.
+	(emit_predicate_relation_info): New.
+	* config/ia64/ia64.md (pred_rel_mutex): New.
+	* config/ia64/linux.h (ASM_SPEC): Define.
+	* config/ia64/sysv4.h (ASM_FILE_START): Define.
+
+	* config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
+	filtering global register variables.
+
+2000-06-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* c-common.c (add_c_tree_codes): Fix definition for traditional C.
+
+2000-06-17  Michael Meissner  <meissner@redhat.com>
+
+	* gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
+	not present and there is a field after a '-'.
+
+2000-06-17  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/check.tpl:  finish the implementation of multiple tests
+	for a single fix
+	* fixinc/inclhack.def(ctrl_quotes_def): add a second test
+	(io_quotes_def): add a second test
+	(various): reorder `files' so that "limits.h" is never first
+	* fixinc/tests/base/*: update the testing output
+
+Sat Jun 17 10:33:59 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* gcc.texi: Remove reference to stupid.c.
+
+2000-06-16  Benjamin Chelf  <chelf@codesourcery.com>
+
+	* c-common.c (c_tree_code_type): New array.
+	(c_tree_code_length): Likewise.
+	(c_tree_code_name): Likewise.
+	(add_c_tree_codes): New function.
+
+	* c-common.h (add_c_tree_codes): Declare.
+	(enum c_tree_code): New enum.
+
+	* c-lex.c (init_parse): Added call to add_c_tree_codes.
+
+2000-06-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
+	select pattern to also match macro defs with only one argument.
+
+Thu Jun 15 18:56:12 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* i386.md: Create new [right,left] rotate and right shift
+	patterns to optimize shift by 1 bit for certain ia32 processors.
+	Update patterns which perform left shifts to optimize shift by
+	1 bit for certain ia32 processors.
+	* i386.c (const_int_1_operand): New predicate.
+	* i386.h (PREDICATE_CODES): Handle const_int_1_operand.
+	* i386-protos.h (const_int_1_operand): Prototype.
+
+Wed Jun 14 23:46:26 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* mips.c (machine_dependent_reorg): Fix braces for nested if.
+
+2000-06-14  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
+	LABEL_REFs.
+
+2000-06-14  Richard Henderson  <rth@cygnus.com>
+
+	* conflict.c (conflict_graph_compute): Don't look for REG_INC.
+
+	* config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
+	auto-inc code.
+
+	* print-rtl.c (print_rtx): Emit space before mem alias set.
+
+2000-06-14  David Edelsohn  <edelsohn@gnu.org>
+
+	* rs6000.c (expand_block_move): Fix typo in earlier change.
+	(print_operand): Remove unused variables neg and op.
+	(toc_hash_mark_entry): Fix prototype.
+
+2000-06-14  Benjamin Chelf  <chelf@codesourcery.com>
+
+	* c-common.h (IF_COND): Moved here from cp/cp-tree.h.
+	(THEN_CLAUSE): Likewise.
+	(ELSE_CLAUSE): Likewise.
+	(WHILE_COND): Likewise.
+	(WHILE_BODY): Likewise.
+	(DO_COND): Likewise.
+	(DO_BODY): Likewise.
+	(RETURN_EXPR): Likewise.
+	(EXPR_STMT_EXPR): Likewise.
+	(FOR_INIT_STMT): Likewise.
+	(FOR_COND): Likewise.
+	(FOR_EXPR): Likewise.
+	(FOR_BODY): Likewise.
+	(SWITCH_COND): Likewise.
+	(SWITCH_BODY): Likewise.
+	(CASE_LOW): Likewise.
+	(CASE_HIGH): Likewise.
+	(GOTO_DESTINATION): Likewise.
+	(COMPOUND_BODY): Likewise.
+	(ASM_CV_QUAL): Likewise.
+	(ASM_STRING): Likewise.
+	(ASM_OUTPUTS): Likewise.
+	(ASM_INPUTS): Likewise.
+	(ASM_CLOBBERS): Likewise.
+	(DECL_STMT_DECL): Likewise.
+	(STMT_EXPR_STMT): Likewise.
+	(LABEL_STMT_LABEL): Likewise.
+	(SCOPE_BEGIN_P): Likewise.
+	(SCOPE_END_P): Likewise.
+	(SCOPE_STMT_BLOCK): Likewise.
+	(SCOPE_NULLIFIED_P): Likewise.
+	(SCOPE_NO_CLEANUPS_P): Likewise.
+	(SCOPE_PARTIAL_P): Likewise.
+	(ASM_VOLATILE_P): Likewise.
+	(STMT_LINENO): Likewise.
+	(STMT_LINENO_FOR_FN_P): Likewise.
+
+	* c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
+	ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
+	FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
+	CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
+	SCOPE_STMT, CASE_LABEL, STMT_EXPR.
+
+	* gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
+
+2000-06-14  David O'Brien  <obrien@FreeBSD.org>
+
+	* gcc.c (main): Quiet compiler warnings.  argv is assumed to be
+	writable in parts of the GCC code.
+
+	* config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
+	specification match cast.
+
+Wed Jun 14 09:25:57 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
+	* configure, config.in: Rebuilt.
+	* sys-protos.h: Similarly.
+
+Wed Jun 14 03:39:58 EDT 2000  John Wehle  (john@feith.com)
+
+	* ifcvt.c (EDGE_COMPLEX): Move definition ...
+	* basic-block.h (EDGE_COMPLEX): ... here.
+
+	* loop.c (check_dbra_loop): Specify the register when
+	generating REG_NONNEG notes and don't generate duplicates.
+
+2000-06-13  Jakub Jelinek  <jakub@redhat.com>
+
+	* tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
+	(struct tree_type, struct tree_decl): Add user_align member.
+	* stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
+	(place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
+	and DECL_USER_ALIGN 0, cap alignment to this value.
+	(place_field): Likewise.
+	(finalize_type_size): Set TYPE_USER_ALIGN.
+	(layout_type): Likewise.
+	(initialize_sizetypes): Likewise.
+	* c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
+	DECL_USER_ALIGN to 1.
+	* c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
+	(xfer_tag): Set TYPE_USER_ALIGN.
+	(finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
+	(finish_enum): Likewise.
+	* stmt.c (expand_decl): Set DECL_USER_ALIGN.
+	(expand_anon_union_decl): Likewise.
+	* tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
+	(build_index_type): Set TYPE_USER_ALIGN.
+	(build_range_type): Likewise.
+	(build_common_tree_nodes_2): Likewise.
+	* tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
+
+2000-06-13  Andreas Jaeger  <aj@suse.de>
+
+	* configure.in: Use --enable-checking=misc,tree,gc by default if
+	no --enable-checking option is given and for
+	--enable-checking=yes.
+	* configure: Rebuilt.
+
+2000-06-13  Richard Henderson  <rth@cygnus.com>
+
+	* libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
+	(__throw): Don't pass the address of a label.
+
+	* config/ia64/ia64.c (ia64_compute_frame_size): Use
+	current_function_is_leaf.
+	(ia64_expand_prologue): Likewise.  Modify return_address_pointer_rtx
+	instead of reg_names[RETURN_ADDRESS_REGNUM].
+	(ia64_init_machine_status): Reset return_address_pointer_rtx.
+	* config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
+	from RETURN_ADDRESS_REGNUM.  Update all uses.
+	(RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
+	zero instead of null on failure.
+	(ELIMINABLE_REGS): Add ra->b0 elimination.
+	(CAN_ELIMINATE): Update accordingly.
+	(INITIAL_ELIMINATION_OFFSET): Likewise.
+	(REGISTER_NAMES): Use an illegal assembler name for
+	RETURN_ADDRESS_POINTER_REGNUM.
+
+2000-06-13  Richard Henderson  <rth@cygnus.com>
+
+	* config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
+	GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
+	(REG_CLASS_NAMES): Likewise.
+	(REG_CLASS_CONTENTS): Likewise.
+	(FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
+	(HARD_REGNO_MODE_OK): Remove references to them.
+	(REGNO_REG_CLASS): Likewise.
+	(REG_CLASS_FROM_LETTER): Likewise.
+	(CLASS_MAX_NREGS): Likewise.
+	(REGISTER_MOVE_COST): Likewise.
+	* config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
+	* config/ia64/ia64.md (*): Replace "e" constraints with "f".
+	(movqi_internal): Special case moves from zero.
+	(movhi_internal, movsi_internal): Likewise.
+	(movdi_internal): Likewise.  Fill out "f" constraints.
+	(movsf_internal): Fill out "r" constraints.
+	(movdf_internal): Likewise.
+
+2000-06-13  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
+	alive before reload.
+
+	* haifa-sched.c (struct deps): Add in_post_call_group_p.
+	(add_dependence): Handle notes between SCHED_GROUP_P insns.
+	(remove_dependence): Always define.
+	(set_sched_group_p): New.
+	(sched_analyze_2): Use it.
+	(sched_analyze_insn): Don't special-case naked uses.  Look for
+	and extend in_post_call_group_p.
+	(sched_analyze): Clear stale SCHED_GROUP_P.  Set in_post_call_group_p.
+	(init_deps): Clear in_post_call_group_p.
+
+2000-06-13  Richard Henderson  <rth@cygnus.com>
+
+	* combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
+	CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
+	and hard-coded tests.
+	(simplify_set): Likewise.
+	(gen_lowpart_for_combine): Likewise.
+	* emit-rtl.c (gen_lowpart_common): Likewise.
+	* global.c (find_reg): Likewise.
+	* local-alloc.c (find_free_reg): Likewise.
+	* recog.c (register_operand): Likewise.
+	* regclass.c (init_reg_sets_1): Likewise.
+	(record_operand_costs, regclass): Likewise.
+	* reload.c (push_reload): Likewise.
+	* reload1.c (choose_reload_regs): Likewise.
+	* flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
+	* local-alloc.c (struct qty): Rename changes_size to changes_mode.
+	Update all references.
+	* regs.h (struct reg_info_def): Likewise.
+	(REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
+	* tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
+	(CLASS_CANNOT_CHANGE_MODE_P): Likewise.
+
+	* config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
+	(CLASS_CANNOT_CHANGE_MODE_P): New.
+	* config/mips/mips.h: Likewise.
+	* config/pa/pa32-regs.h: Likewise.
+	* config/pa/pa64-regs.h: Likewise.
+	* config/rs6000/rs6000.h: Likewise.
+	* config/sh/sh.h: Likewise.
+	* config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
+	(CLASS_CANNOT_CHANGE_MODE_P): New.
+	* config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
+	* config/d30v/d30v.h: Likewise.
+
+2000-06-13  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* configure.in: Add AC_TYPE_GETGROUPS test.
+	* sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
+	* configure: Rebuilt.
+	* config.in: Rebuilt.
+
+2000-06-13  Richard Henderson  <rth@cygnus.com>
+
+	* explow.c (set_mem_attributes): Do nothing for NULL type.
+
+Tue Jun 13 14:45:10 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
+	correctly.
+
+2000-06-13  James E. Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
+
+Tue Jun 13 14:05:35 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
+
+2000-06-13  Philipp Thomas  <pthomas@suse.de>
+
+	* configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
+	* configure: Rebuilt.
+
+2000-06-07  David O'Brien  <obrien@FreeBSD.org>
+
+	* configure.in:  Adjust FreeBSD bits to match changes to config.guess.
+	We now default to ELF for the i386, and a.out is the special case.
+	* configure:  Rebuilt.
+
+Tue Jun 13 10:05:30 2000  Hans-Peter Nilsson  <hp@axis.com>
+
+	* final.c (final_scan_insn): Delete notes between cc0 setter and
+	user when restarting from setter.
+
+2000-06-13  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
+	cast to squelch signed/unsigned warnings.
+
+2000-06-13  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.c (handle_directive): Print non-NUL-terminated string
+	with %.*s.
+
+2000-06-12  Michael Meissner  <meissner@redhat.com>
+
+	* ifcvt.c (dead_or_predicable): Don't do conditional execution
+	path if the machine needs extra support to do conditional
+	execution.
+
+Mon Jun 12 17:04:17 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
+	to print the alias set.
+	* print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
+
+2000-06-12  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* config/float-vax.h: Add GFLOAT defines.
+
+Mon Jun  12  9:44:00 2000  Mark Klein  <mklein@dis.com>
+
+	* configure.in: Update tm dependencies for MPE.
+	* configure: Rebuilt.
+
+2000-06-12  H.J. Lu  <hjl@gnu.org>
+
+	* gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
+
+2000-06-12  David Edelsohn  <edelsohn@gnu.org>
+
+	* aix41.h (SUBTARGET_SWITCHES): Delete threads.
+	(CPP_SPEC): Change mthreads to pthread.
+	(LIB_SPEC): Likewise.
+	(STARTFILE_SPEC): Likewise.
+	* aix43.h (SUBTARGET_SWITCHES): Delete threads.
+	(CPP_SPEC): Change mthreads to pthread.
+	(LIB_SPEC): Likewise.
+	(STARTFILE_SPEC): Likewise.
+	* rs6000-protos.h (reg_or_arith_cint_operand): New.
+	* rs6000.c (reg_or_arith_cint_operand): New.
+	(num_insns_constant_wide): Decorate unsigned constant.
+	* rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
+	* rs6000.md (addsi3): Use new predicate.
+	(subsi3, adddi3, subdi3): Likewise.
+
+2000-06-12  Mark Mitchell  <mark@codesourcery.com>
+
+	* c-common.c (lang_get_alias_set): Fix typo.
+
+2000-06-12  Richard Earnshaw <rearnsha@arm.com>
+
+	* flow.c (mark_used_regs): Revert last change.
+	(life_analysis): Remove PROP_AUTOINC if running after reload.
+	(propagate_one_insn): PROP_AUTOINC is always off after reload.
+
+2000-06-11  Richard Earnshaw <rearnsha@arm.com>
+
+	* flow.c (mark_used_regs): Don't call find_auto_inc after reload
+	has run.
+
+2000-06-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* bb-reorder.c (build_scope_forest): Initialize variable
+	`curr_scope'.
+
+	* calls.c (expand_call): Likewise for variables
+	`save_pending_stack_adjust' and `save_stack_pointer_delta'.
+
+	* i386.c (function_arg_advance, function_arg): Cast to avoid
+	signed/unsigned warnings.
+
+	* i386.h (MEMORY_MOVE_COST): Likewise.
+
+	* ifcvt.c (cond_exec_process_if_block): Initialize variables
+	`else_start' and `else_end'.
+
+	* libgcc2.h (__eh_alloc, __eh_free): Prototype.
+
+	* regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
+
+2000-06-10  Mark Mitchell  <mark@codesourcery.com>
+
+	* Makefile.in (libintl.a): Depend on intl.all.
+
+2000-06-09  H.J. Lu  (hjl@gnu.org)
+
+	* Makefile.in (c-parse.o): Also depend on output.h.
+
+2000-06-09  Rodney Brown  <RodneyBrown@mynd.com>
+
+	* mcore-protos.h: discards const warning removal.
+	* mcore.c: discards const warning removal.
+
+2000-06-09  Kazu Hirata  <kazu@hxi.com>
+
+	* config/h8300/lib1funcs.asm: Declare the machine architecture at
+	the beginning of the file.
+
+2000-06-09  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* real.h:  Add prototype for ldexp.
+
+2000-06-09  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
+	it ggc_alloc, drop second argument, never clear returned memory.
+	* ggc-common.c (ggc_alloc_string): Use ggc_alloc.
+	(ggc_alloc_cleared): New.
+	* ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
+	ggc_alloc_obj.  Remove ggc_alloc macro.
+	(ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
+
+	* rtl.c (rtvec_alloc): Clear the vector always.
+	(rtx_alloc): Clear the first word always.  Remove dirty
+	obstack tricks (this routine is no longer a bottleneck).
+	* tree.c (make_node): Clear the new node always.
+	(make_tree_vec): Likewise.
+	(tree_cons): Clear the common structure always.
+	(build1): Likewise; also, clear TREE_COMPLEXITY.
+	* gengenrtl.c: Use puts wherever possible.  Remove extra
+	newlines.
+	(gendef): Clear the first word of an RTX in the generator
+	function, irrespective of ggc_p.  Initialize '0' slots to
+	NULL.
+	(genlegend): Don't generate obstack_alloc_rtx routine, just a
+	thin wrapper macro around obstack_alloc.
+
+	* stmt.c (expand_fixup): Use ggc_alloc.
+	* c-typeck.c (add_pending_init): Use ggc_alloc.
+	* emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
+	* varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
+	const0_rtx when it is created.
+	(immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
+	we are not in a function.
+
+	* tree.c (tree_class_check_failed): Make second arg an int.
+	* tree.h: Update prototype.
+
+2000-06-09  Geoff Keating  <geoffk@cygnus.com>
+
+	* tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
+	of an error_mark_node.
+
+Fri Jun  9 20:35:13 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* config/avr/avr.c (asm_output_section_name): bugfix.
+
+2000-06-09  Jason Merrill  <jason@casey.soma.redhat.com>
+
+	* timevar.def: Add TV_EXPAND.
+	* timevar.c (timevar_print): Update timing information.
+	* calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
+
+	* stmt.c (expand_return): Check for error_mark_node.
+
+2000-06-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* configure.in: Also avoid wrapping auto-build.h with IN_GCC.
+
+	* scan-types.sh (VALUE) Wrap use with double quotes to protect
+	variable against filename expansion when it contains "char *".
+
+	* system.h (SSIZE_MAX): Delete backup definition.
+
+	* cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
+	instead of SSIZE_MAX.
+
+2000-06-09  Jakub Jelinek  <jakub@redhat.com>
+
+	* configure.in: Check whether gas supports -relax.
+	* configure, config.in: Rebuilt.
+	* config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
+	(EXTRA_SPECS): Add asm_relax.
+	(ASM_SPEC): Add %(asm_relax).
+	(TARGET_SWITCHES): Add -mrelax and -mno-relax.
+	* config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
+	(LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
+	(ASM_SPEC): Add %(asm_relax).
+	* config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
+	* config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
+	never use sethi/jmpl for leaf tail calls.  Use or with rs2 %g0
+	instead of mov, so that gas can further optimize it.
+
+2000-06-08  James E. Wilson  <wilson@bletchleypark.cygnus.com>
+
+	* dwarf2out.c (size_of_die, case dw_val_class_const): Use
+	size_of_sleb128.
+	(value_format, case dw_val_class_const): Use sdata format.
+	(output_die): Call output_sleb128.
+
+2000-06-08  James E. Wilson  <wilson@cygnus.com>
+
+	* dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
+	UNALIGNED_DOUBLE_INT_ASM_OP.  Rename old macro to
+	ASM_OUTPUT_DWARF_CONST_DOUBLE.
+	(output_die, case dw_val_class_unsigned_const): Correct call to
+	ASM_OUTPUT_DWARF_DATA8.
+	(output_die, case dw_val_class_long_long): Use
+	ASM_OUTPUT_DWARF_CONST_DOUBLE.
+	* tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
+	pos is zero.
+
+	* config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
+	(output_function_prologue): Fix mispelling.
+	(output_function_prologue, output_function_epilogue): Reorder to
+	match ia64.c definition order.
+	* config/ia64/ia64.c (ia64_expand_prologue): Add comment.
+	(ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
+	Use r3 instead of r2 for large stack restores.
+	(ia64_output_end_prologue): New function.
+	(process_set): Emit ".restore sp" for epilogue stack restores.
+	* config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
+
+2000-06-08  Jakub Jelinek  <jakub@redhat.com>
+
+	* dbxout.c (dbxout_type_fields): Don't segfault on fields with
+	incomplete types.
+
+2000-06-08  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* frame.c (end_fde_sort): Remove extraneous erratic array test.
+
+2000-06-08  Denis Perchine <dyp@perchine.com>
+
+	* frame.c (start_fde_sort): Don't malloc (0).
+
+2000-06-07  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
+	error_mark_node.
+	* print-tree.c (print_node): The transparent_union_flag means
+	different things for unions and arrays.  Do not inspect it
+	with TYPE_TRANSPARENT_UNION.
+
+2000-06-06  Jakub Jelinek  <jakub@redhat.com>
+
+	* cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
+	returned NULL.
+
+Wed Jun  7 20:34:33 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* config/avr/avr.c (asm_output_section_name): output section
+	attributes.
+	* config/avr/libgcc.S (.text.libgcc): declare section attributes.
+
+2000-06-06  James E. Wilson  <wilson@cygnus.com>
+
+	* frame.h (struct unwind_info_ptr): Collapse version, flags, and length
+	fields into header field.
+	(IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
+	macros to access length, flags, and version info from header field.
+	* config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
+	* config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
+	(__do_global_ctors_aux): Fix caller.
+	* config/ia64/frame-ia64.c (get_unwind_record): Change parameter
+	prologue_flag to header.  Pass to read_P_record.
+	(read_P_record): New argument header.  Implement P4 format.
+	Multiply P7_T_SIZE by 16.
+	(execute_one_ia64_descriptor): New static local region_header.  Pass to
+	get_unwind_record.  Copy r to region_header if r is a header record.
+	(print_all_records): Likewise.
+	(__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
+	(__get_personality, __get_except_table): Likewise.
+	* config/ia64/ia64.c (process_set): Do not divide offsets by 4.
+
+2000-06-06  Philipp Thomas  <pthomas@suse.de>
+
+	* configure.in (AC_C_INLINE): Added.
+	* aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
+	* configure: Regenerate.
+
+2000-06-06  Mark Mitchell  <mark@codesourcery.com>
+
+	* c-common.h (c_language_kind): New type.
+	(c_language): New variab.e
+	* c-common.c (lang_get_alias_set): Don't put structures in
+	non-zero alias sets in C++.
+	* c-decl.c (c_language): Define it.
+	* c-lex.c (doing_objc_thang): Remove.
+	* c-tree.h (doing_objc_thang): Make it a macro.
+	* objc/objc-act.c (lang_decode_option): Set c_language, not
+	doing_objc_thang.
+
+2000-06-06  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+	* diagnostic.c (output_maximum_width): Remove.
+	(doing_line_wrapping): Tweak.
+	(diagnostic_buffer): New object.
+	(global_output_buffer): New object.
+	(output_destroy_prefix): New function.
+	(default_initialize_buffer): Likewise.
+	(reshape_diagnostic_buffer): Likewise.
+	(initialize_diagnostics): Likewise.
+	(output_clear): Tweak.
+	(line_wrapper_printf): Adjust call to init_output_buffer.
+	(vline_wrapper_message_with_location): Likewise.  Use
+	output_destroy_prefix.
+	(v_message_with_decl): Likewise.
+
+	* diagnostic.h (struct output_buffer): Constify prefix.
+	(init_output_buffer, output_get_prefix): Constify.
+	(diagnostic_message_length_per_line): Likewise.
+	(reshape_diagnostic_buffer): Declare.
+	(default_initialize_buffer): Declare.
+	(initialize_diagnostics): Declare.
+	(diagnostic_buffer): Declare new obbject.
+
+	* toplev.c: #include diagnostic.h
+	(display_help): Document diagnostic formatting options.
+	(decode_f_option): Handle diagnostic formatting options.
+	(main): Setup initialization for diagnostic messages outputter.
+
+	* toplev.h (set_message_length): Remove.
+
+	* Makefile.in (toplev.o): Depends upon diagnostic.h
+
+	* invoke.texi : Document diagnostics formatting options.
+
+Tue Jun  6 19:25:32 2000  Philippe De Muyter  <phdm@macqel.be>
+
+	* configure.in (Make the links): Typo fix : the file that must be
+	included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
+	* configure: File rebuilt.
+
+2000-06-06  Nathan Sidwell  <nathan@codesourcery.com>
+
+ 	* eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
+	(eh_context): Add alloc_mask and alloc_buffer emergency fallback
+	space.
+	* libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
+	emergency eh_context buffer, if malloc fails.
+	(__eh_free): Moved from cp/exception.cc. Release to emergency
+	eh_context buffer, if appropriate.
+
+2000-06-06  Jason Merrill  <jason@casey.soma.redhat.com>
+
+	* expr.c (store_expr): Fix typo.
+
+2000-06-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* m68k.c (legitimize_pic_address): Move prototype ...
+
+	* m68k-protos.h (legitimize_pic_address): ... here.
+
+	* m68k.md (legitimize_pic_address): Delete prototypes.
+	(untyped_call): Invoke GEN_CALL(), not gen_call().
+
+	* nextstep.c: Include system.h and toplev.h.
+	(get_directive_line): Don't prototype.
+	(handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
+
+	* nextstep.h (handle_pragma): Prototype.
+	(SECTION_FUNCTION): Prototype FUNCTION().  Move prototype of
+	objc_section_init ...
+	(EXTRA_SECTION_FUNCTIONS): ... here.
+
+Tue Jun  6 08:17:26 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* sdbout.c (struct sdb_file): NAME now const.
+	(sdbout_init): input_file_name now const.
+	(sdbout_start_new_source_file): FILENAME now const.
+	* sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
+
+2000-06-06  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+	* c-typeck.c (build_conditional_expr): Handle complex data types.
+
+2000-06-05  Jason Merrill  <jason@casey.soma.redhat.com>
+
+	* explow.c (maybe_set_unchanging): New function, broken out from...
+	(set_mem_attributes): Here.
+	* expr.h: Declare it.
+	* stmt.c (expand_decl): Call it.
+
+2000-06-05  Richard Henderson  <rth@cygnus.com>
+
+	* reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
+	while looking for a register to inherit from.
+
+2000-06-05  Jason Merrill  <jason@casey.soma.redhat.com>
+
+	* Makefile.in (libgcc.ready): Lose.
+	(libgcc.mk): Just use mv, not move-if-change.
+	(LIBGCC_DEPS): New macro.
+	(libgcc.a): Use it.
+	(stmp-multilib): Likewise.
+	* mklibgcc.in (stmp-dirs): New target.  Make everything depend on
+	it rather than the directories themselves.
+	(LIB2ADD): Depend on the list file rather than 'force'.
+
+	* fold-const.c (fold, case COND_EXPR): Elide conversion between
+	cv-qualified versions of types.
+
+Mon Jun  5 14:06:18 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* config/sparc/sparc.c (short_branch): Correct error in range
+	computation.
+
+2000-06-05  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* fixinc/inclhack.def: New include hacks for ultrix.
+	* (nested_ultrix): Replaced by ultrix_nested_svc.
+	* (ultrix_atof_param): test_text string added.
+	* (ultrix_ifdef): Modified select string.
+
+2000-06-05  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* objc/objc-act.c (generate_method_descriptors): Register
+	objc_method_prototype_template as a GC root.
+	(comp_method_with_proto): Register function_type as a GC root.
+	(comp_proto_with_proto): Replace function_type1 and
+	function_type2 with a two-element array; register it as a GC root.
+
+	(generate_protocols, build_protocol_initializer,
+	generate_protocol_list, build_category_initializer,
+	build_shared_structure_initializer): Do not cache cast_type
+	and/or cast_type2.
+
+2000-06-05  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* function.c (assign_parms): Add missing argument to set_mem_attributes
+	call.
+
+2000-06-05  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* tree.h (VOID_TYPE_P): New macro.
+	(COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
+	* c-decl.c (grokdeclarator): Use VOID_TYPE_P.
+	(get_parm_info): Likewise.
+	(store_parm_decls): Likewise.
+	(combine_parm_decls): Likewise.
+	(finish_function): Likewise.
+	* c-typeck.c (build_function_call): Likewise.
+	(build_binary_op): Likewise.
+	(build_conditional_expr): Likewise.
+	(internal_build_compound_expr): Likewise.
+	(convert_for_assignment): Likewise.
+	* stmt.c (expend_expr_stmt): Likewise.
+	(warn_if_unused_value): Likewise.
+	(expand_return): Likewise.
+	* c-parse.in (primary): Likewise.
+	* c-parse.y, c-parse.c, c-parse.h: Regenerate.
+	* objc/objc-parse.y, objc/objc-parse.c: Regenerate.
+
+Mon Jun  5 06:46:28 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* alias.c (get_alias_set): If compnent is addressable, use alias
+	set of component.
+	* c-decl.c (init_decl_processing): Don't call record_component_aliases.
+	(grokdeclarator): Likewise.
+	* c-typeck.c (common_type): Likewise.
+
+2000-06-04  Alex Samuel  <samuel@codesourcery.com>
+
+	* Makefile.in (OBJS): Remove dyn_string.o
+	(dyn-string.o): Delete rule.
+	* dyn-string.c: Delete file
+	* dyn-string.h: Likewise.
+
+2000-06-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* Makefile.in (intl.*): Honor non-zero exit codes in the intl
+	subdir.
+
+2000-06-03  Geoff Keating  <geoffk@cygnus.com>
+
+	* alias.c (record_component_aliases): Don't inspect
+	DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
+
+Sat Jun  3 19:05:30 2000  Michael Meissner  <meissner@redhat.com>
+
+	* ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
+	it with the pattern to do machine dependent work.
+	(cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
+	use it to modify the true/false tests used in conditional
+	execution.  If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
+	defined, invoke them if the conversion to conditional execution
+	was successful or not.
+
+	* tm.texi (IFCVT_MODIFY_TESTS): Document.
+	(IFCVT_MODIFY_INSN): Ditto.
+	(IFCVT_MODIFY_FINAL): Ditto.
+	(IFCVT_MODIFY_CANCEL): Ditto.
+
+Sat Jun  3 15:26:13 2000  Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+	* toplev.c (main): Fix misspellings of possibility and language.
+
+2000-06-03  Richard Henderson  <rth@cygnus.com>
+
+	* alias.c (record_alias_subset): Initialize has_zero_child in the
+	superset.
+
+2000-06-03  Richard Earnshaw (rearnsha@arm.com)
+
+	* arm.md (untyped_call): Use GEN_CALL macro.
+
+2000-06-02  Pekka Nikander  <pnr@teldanex.tcm.hut.fi>
+
+	* Makefile.in: Use $(MAKE) not "make"
+
+Fri Jun  2 19:31:03 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* alias.c (struct alias_set_entry): New field has_zero_child.
+	(mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
+	(get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
+	do nothing.
+	Call record_component_aliases for aggregate types.
+	(record_alias_subset): Set has_zero_child.
+	(record_component_aliases, case ARRAY_TYPE): Do nothing if
+	TYPE_NONALIASES_COMPONENT.
+	(record_component_aliases, case RECORD_TYPE): Test
+	DECL_NONADDRESSABLE_P.
+	* c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
+	of TREE_ADDRESSABLE.
+	* calls.c (initialize_argument_information): Only test
+	TYPE_TRANSPARENT_UNION for UNION_TYPE.
+	* function.c (assign_parms): Likewise.
+	* integrate.c (function_cannot_inline_p): Likewise.
+	* stor-layout.c (finish_record_layout): Don't call
+	record_component_aliases.
+	* tree.h (struct tree_int_cst): Use struct tree_common.
+	(struct tree_real_cst, struct tree_string): Likewise.
+	(struct tree_complex, struct tree_identifier): Likewise.
+	(struct tree_list, struct tree_vec, struct tree_exp): Likewise.
+	(struct tree_block, struct tree_type, struct tree_decl): Likewise.
+	(TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
+	(TYPE_NONALIASES_COMPONENT): New macro.
+	(TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
+	(DECL_NONADDRESSABLE_P): New macro.
+	(struct tree_decl): Reorder bits for clarity of how many left;
+	add non_adressable.
+
+2000-06-02  Jason Merrill  <jason@casey.soma.redhat.com>
+
+	* Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
+	* mklibgcc.in (force): New target.
+	Make LIB2ADD stuff depend on it.
+
+2000-06-02  Richard Henderson  <rth@cygnus.com>
+
+	* alias.c (lang_get_alias_set): Remove.
+	(get_alias_set): Call it directly, not indirectly.
+	* c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
+	* c-common.h (c_get_alias_set): Don't declare.
+	* c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
+	* expr.h (lang_get_alias_set): Declare as function, not pointer.
+
+2000-06-02  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/server.c(sig_handler):  resume closing server on SIGPIPE
+	(server_setup):  define the server's master pid
+	(close_server):  actually do the deed IFF we are the server's master
+
+2000-06-02  Jakub Jelinek  <jakub@redhat.com>
+
+	* c-common.c (c_get_alias_set): Check whether signed_type did not
+	return its argument before calling get_alias_set on the result.
+
+2000-06-02  Andrew MacLeod  <amacleod@cygnus.com>
+
+	* expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
+
+Fri Jun  2 00:22:52 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
+	(CONDITIONAL_REGISTER_USAGE): Mac registers are call used
+	for TARGET_NOMACSAVE.
+	(NOMACSAVE_BIT): Define.
+	(TARGET_NOMACSAVE): Define.
+	(TARGET_SWITCHES): Add "nomacsave".
+
+2000-06-02  Toshiyasu Morita  <toshi.morita@sega.com>
+
+	* sh.md (untyped_call): Remove excess parameters
+
+2000-06-01  Loren J. Rittle  <ljrittle@acm.org>
+
+	* fixinc/inclhack.def (osf_namespace_a): Relax expression to
+	match that used before the conversion to c_fix style.
+	* fixinc/fixincl.x: regenerate
+
+2000-06-01  Stan Cox  <scox@cygnus.com>
+
+	* varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
+	macro argument typo.
+
+2000-06-01  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL.  Improve
+	error message.
+	* cpplib.c (parse_include): Remove support for VAX-C
+	"#include starlet" misfeature.
+
+2000-05-31 Laurynas Biveinis <lauras@softhome.net>
+
+	* cppfiles.c: conditionally define O_BINARY.
+	(open_include_file): pass O_BINARY to open().
+
+2000-06-01  Richard Henderson  <rth@cygnus.com>
+
+	* i960.c (i960_br_predict_opcode): Remove.
+	(i960_print_operand) [+]: Emit branch prediction hints.
+	(i960_function_arg): Return early for VOIDmode.
+	(i960_round_align): Return early for incomplete types.
+	* i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
+	* i960.md (all conditional branches): Add "%+".
+
+Thu Jun  1 12:24:21 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* alias.c (get_alias_set): Don't call language-specific routine more
+	than is needed and clean up code a bit.
+	* c-common.c (c_get_alias_set): All references whose type
+	is char get alias set 0, but character types need not.
+	* varasm.c (make_function_rtl): Don't call set_mem_attributes.
+	(make_decl_rtl): Don't call it for FUNCTION_DECL.
+
+2000-06-01  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/tests/base/...: new base result files
+
+Thu Jun  1 09:37:35 2000  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/i386/i386.c (ix86_use_fcomi_compare): Make global.
+	* config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
+	* config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
+	will use FCOMI.
+
+2000-06-01  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
+
+	* c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
+
+2000-05-31  Richard Henderson  <rth@cygnus.com>
+
+	* config/ia64/ia64.c (sdata_symbolic_operand): Consider small
+	CONSTANT_POOL_ADDRESS_P addresses for .sdata.
+	* config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
+
+2000-05-31  Richard Henderson  <rth@cygnus.com>
+
+	* config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
+	* config/ia64/ia64.c (ia64_expand_prediction): Move code ...
+	(ia64_print_operand) [+]: ... here.  Use current_output_insn.
+	* config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
+	* config/ia64/ia64.md (all branch/call patterns): Use %+.
+
+2000-05-31  Richard Henderson  <rth@cygnus.com>
+
+	* ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
+
+2000-05-31  Richard Henderson  <rth@cygnus.com>
+
+	* ifcvt.c (merge_if_block): Be prepared for JOIN to have no
+	remaining edges.
+	(find_if_block): Allow THEN with no outgoing edges.
+	* flow.c (merge_blocks_nomove): Remove a barrier not following
+	a jump as well.
+
+2000-05-31  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (propagate_block): Move initialization of mem_set_list ...
+	(init_propagate_block_info): ... here.  Also track blocks with
+	no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
+
+2000-05-31  Richard Henderson  <rth@cygnus.com>
+
+	* jump.c (jump_optimize_1): Revert 05-18 change.
+
+2000-05-31  Mark Mitchell  <mark@codesourcery.com>
+
+	* invoke.texi: Remove documentation for -fguiding-decls.
+
+2000-05-31  Richard Henderson  <rth@cygnus.com>
+
+	* configure.in: Fix typo last change.
+
+2000-05-31  Philipp Thomas  <pthomas@suse.de>
+
+	* configure.in (enable-nls): Enable if build == host, i.e. when
+	not building a canadian cross compiler.
+	(enable-maintainer-mode): Added for use with i18n.
+	* aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
+	cross section of ALL_LINGUAS and LINGUAS.
+	* configure: Rebuild.
+
+2000-05-31  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/check.tpl: rework to use test result tree
+	* fixinc/Makefile.in: change invocation of check script
+	* fixinc/check.diff: No longer needed
+	* fixinc/fixincl.x: regenerate
+	* fixinc/inclhack.def:  add new tests
+	* fixinc/tests/base/arch/i960/archI960.h:  New test result
+	* fixinc/tests/base/curses.h: modified test result
+	* fixinc/tests/base/stdio.h: ditto
+	* fixinc/tests/base/time.h: ditto
+	* fixinc/tests/base/sys/asm.h: ditto
+	* fixinc/tests/base/sys/stat.h: ditto
+	* fixinc/tests/base/sys/wait.h: ditto
+
+Wed May 31 13:17:20 2000  Philippe De Muyter  <phdm@macqel.be>
+
+	* except.c (clear_function_eh_region): Do not free NULL.
+
+Wed May 31 08:07:52 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
+	* alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
+	(REG_BASE_VALUE): Remove unneeded cast to unsigned.
+	(get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
+	(find_base_decl): New function, from c_find_base_decl in c-common.c.
+	(new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
+	(get_alias_set): Likewise.
+	Major rework to do more things and allow language-specific code
+	to just handle special-cases.
+	(record_alias_subset): Args are HOST_WIDE_INT.
+	(record_component_alias): Local vars are HOST_WIDE_INT.
+	Don't handle COMPLEX_EXPR.
+	(get_varargs_alias_set): Moved from builtins.c.
+	(get_frame_alias_set): New function.
+	* builtins.c (expand_builtin_return_address): Use frame alias set.
+	(expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
+	for setjmp buffer.
+	(get_memory_rtx): Rework to use set_mem_attributes.
+	(get_varargs_alias_set): Deleted from here.
+	* c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
+	(c_find_base_decl): Deleted from here.
+	(c_get_alias_set): Remove many cases and rework to just handle
+	C-specific cases.
+	* c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
+	* c-decl.c (rtl.h, expr.h): Now included.
+	(init_decl_processing): Call record_component_aliases on array types.
+	(grokdeclarator): Likewise.
+	Set TREE_ADDRESSABLE for all fields that are not bitfields.
+	* c-typeck.c (common_type): Call record_component_aliases for array.
+	* caller-save.c (setup_save_areas): Rework register loop for unsigned.
+	Set all save areas to the frame alias set.
+	* calls.c (initialie_argument_information): Call set_mem_attributes.
+	(compute_argument_addresses, expand_call): Likewise.
+	* explow.c (set_mem_attributes): New function.
+	(stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
+	* expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
+	LEN and OFFSET now HOST_WIDE_INT.
+	(clear_by_pieces): Similar changes.
+	(move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
+	(move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
+	(move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
+	(clear_by_pieces_1): Likewise.
+	(emit_push_insn): Call set_mem_attributes.
+	(expand_expr, case INDIRECT_REF): Likewise.
+	(expand_expr, case VAR_DECL): Call change_address.
+	* expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
+	tree_low_cst.
+	(get_varargs_alias_set, get_frame_alias_set): New decls.
+	(record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
+	(new_alias_set, set_mem_attributes): Likewse.
+	* function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
+	(assign_stack_temp_for_type): Likewise.
+	Can split slot even if alias set since can copy.
+	Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
+	(assign_temp): Use host_integerp and tree_low_cst.
+	(put_var_into_stack): Properly handle SAVE_EXPR.
+	(put_addressof_into_stack): Likewise.
+	(assign_parms): Call set_mem_attributes.
+	Delete #if 0 code.
+	(fix_lexical_address): Put reference to chain into frame alias set.
+	(expand_function_start): Call set_mem_attributes.
+	* integrate.c (expand_inline_function): Likewise.
+	* recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
+	* regmove.c (try_apply_stack_adjustment): Likewise.
+	* reload.c (push_reload, make_memloc): Likewise.
+	* reload1.c (alter_reg): Make alias sets for spilled pseudos.
+	* rtl.def (MEM): Update comment.
+	* rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
+	(move_by_pieces): Change length to HOST_WIDE_INT.
+	(record_base_value, record_alias_subset): Delete from here.
+	* stmt.c (expand_decl): Call set_mem_attributes.
+	* stor-layout.c (finish_record_layout): Call record_component_aliases.i
+	* toplev.c (compile_file): Call init_alias_once earlier.
+	* tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
+	from here: now in alias.c.
+	* tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
+	(struct tree_decl): Likewise.
+	(get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
+	* varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
+	(output_constant_def, force_const_mem): Likewise.
+
+	* flow.c (propagate_block): If block has no successors, stores to
+	frame are dead if not used.
+
+2000-05-31  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* stmt (expand_end_case): Reorder conversion sequence for jump
+	table to avoid extra truncations.
+
+Wed May 31 01:31:42 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
+	in the block is more than just a simple conditional branch.
+	(noce_process_if_block): Similarly.
+
+Tue May 30 22:25:57 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* optabs.c (prepare_float_lib_cmp): Protect *px and *py from
+	queue.
+
+2000-05-30  Michael Meissner  <meissner@redhat.com>
+
+	* dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
+	instructions.  Treat LO_SUM operations as loading the full integer
+	constant.
+
+2000-05-30  Richard Henderson  <rth@cygnus.com>
+
+	* combine.c (get_pos_from_mask): Test exact_log2 result as signed.
+
+2000-05-30  Richard Henderson  <rth@cygnus.com>
+
+	* bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
+
+2000-05-30  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/tests/*:  Added expected result files for fixinc's make check
+	* fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
+
+2000-05-30  Richard Henderson  <rth@cygnus.com>
+
+	* config/alpha/alpha.md (*setne_internal): Use match_operator
+	instead of working down from insn.
+
+2000-05-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* invoke.texi (-Wtraditional): Update WRT function macros.
+
+Tue May 30 09:57:32 2000  Philippe De Muyter  <phdm@macqel.be>
+
+	* except.c (free_exception_table): Do not free NULL.
+
+2000-05-29  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.c (do_if): Don't save and restore only_seen_white here.
+	* cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
+	and skipping here.
+
+2000-05-29  Richard Earnshaw (rearnsha@arm.com)
+
+	* flow.c (mark_used_reg): If a register is unconditionally live,
+	remove any conditional death information.
+
+2000-05-29  Richard Henderson  <rth@cygnus.com>
+
+	* final.c (current_output_insn): New.
+	(final_scan_insn): Set it.
+	* output.h: Declare it.
+
+2000-05-29  Richard Henderson  <rth@cygnus.com>
+
+	* stor-layout.c (finalize_record_size): Fix typo.
+
+	* jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
+	if nlabel is null.
+
+2000-05-29  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.h (cpp_reader): Remove if_stack.  Change
+	potential_control_macro to a cpp_hashnode *.  Add skipping flag.
+	* cpphash.h (struct ihash): Change control_macro to a
+	cpp_hashnode * and shorten name to cmacro.
+	Add NEVER_REINCLUDE constant.
+
+	* cppfiles.c (redundant_include_p): Drop cpp_reader argument.
+	Examine the cmacro node directly, no need to call cpp_defined.
+	(_cpp_execute_include, read_include_file): Set cmacro to
+	NEVER_REINCLUDE, not U"".
+	* cpplex.c (cpp_push_buffer): Don't set new->if_stack.
+	(cpp_get_token): If pfile->skipping is true, discard text and
+	keep scanning until we hit a directive; don't expand macros.
+
+	* cpplib.c (struct if_stack): Remove if_succeeded, add
+	was_skipping. Change control_macro to a cpp_hashnode * and
+	shorten name to cmacro.  Remove typedef IF_STACK.
+	(parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
+	(conditional_skip, skip_if_group,
+	consider_directive_while_skipping): Delete.
+	(push_conditional): New.
+	(_cpp_handle_directive): Don't process directives other than
+	conditionals if we are skipping.
+
+	(do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
+	Update to new scheme.
+	(validate_else): Skip rest of line here, unconditionally.
+	(_cpp_unwind_if_stack): The stack is per-buffer.  Force
+	pfile->skipping off.
+
+	(all): Remove `scare quotes' from error messages.
+
+2000-05-29  Richard Henderson  <rth@cygnus.com>
+
+	* function.c (emit_return_into_block): New line_note arg; emit it.
+	(thread_prologue_and_epilogue_insns): Attempt to locate a line note
+	for the close brace to accompany HAVE_return.  Move all line notes
+	following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
+
+2000-05-29  Richard Henderson  <rth@cygnus.com>
+
+	* longlong.h [__alpha] (count_leading_zeros): New.
+	(count_trailing_zeros): New.
+	(COUNT_LEADING_ZEROS_0): New.
+
+	* config/alpha/alpha.c (alpha_zero_comparison_operator): New.
+	(alpha_split_conditional_move): New.
+	* config/alpha/alpha-protos.h: Prototype them.
+	* config/alpha/alpha.h (PREDICATE_CODES): Update.
+	(CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
+	* config/alpha/alpha.md: Update ffs cix commentary.
+	(*ze_and_ne): New.
+	(*nabssf2, *nabsdf2): New.
+	(*mov[qhsd]icc_internal): Use add_operand.
+	(if_then_else constant splitters): New.
+	(*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
+	(*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
+
+2000-05-29  Richard Henderson  <rth@cygnus.com>
+
+	* combine.c (force_to_mode) [MINUS]: Convert subtraction from
+	a constant to NEG or NOT when conditions allow.
+
+	* combine.c (combine_simplify_rtx): Don't create an if_then_else
+	unless both args are general_operand.  Don't canonicalize plus
+	to ior unless it helps.
+
+	* toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
+	instead track register_life_up_to_date.  Toggle no_new_pseudos
+	around if_convert.
+
+2000-05-28  Geoff Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
+	so output_operand doesn't see them.
+
+Sun May 28 18:37:07 2000  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* lcm.c (make_preds_opaque): Fix comment.
+	(optimize_mode_switching): Use NORMAL_MODE instead of
+	MODE_USES_IN_EXIT_BLOCK.  Change leftover instance of
+	FP_MODE_NONE to no_mode.  Rename MODE_AT_ENTRY to NORMAL_MODE.
+	Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
+	* tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
+	(MODE_USES_IN_EXIT_BLOCK): Delete.
+	(MODE_AT_ENTRY) Rename to NORMAL_MODE.
+	* sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
+	(MODE_AT_ENTRY): Rename to NORMAL_MODE.
+	(MODE_NEEDED): Don't look for USE.
+	(EPILOGUE_USES): Define.
+
+Sun May 28 23:26:59 2000  Philippe De Muyter <phdm@macqel.be>
+
+	* mklibgcc.in (all): Variable initialised to `libgcc'.
+
+2000-05-28  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+	* toplev.h (skip_leading_substring): New macro.
+	* toplev.c (decode_f_option): Use skip_leading_substring instead
+	of strncmp.
+	(decode_W_option): Likewise.
+
+2000-05-28  Nick Clifton  <nickc@cygnus.com>
+
+	* tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
+	modify reg_names.
+
+2000-05-28  Richard Henderson  <rth@cygnus.com>
+
+	* regclass.c (record_operand_costs): Protect reg_changes_size
+	with CLASS_CANNOT_CHANGE_SIZE.
+
+	* loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
+
+2000-05-28  Richard Henderson  <rth@cygnus.com>
+
+	* function.c (diddle_return_value): A pcc-style struct return
+	returns a pointer.
+
+2000-05-27  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c: Read files in, using mmap if possible, then
+	prescan them separately.
+	(read_file, read_with_read): New functions.
+	* cpplex.c: Don't define UCHAR_MAX.
+	(_cpp_read_and_prescan): Rename to _cpp_prescan.  Don't read
+	the file here.
+
+	* cppinit.c (handle_option): Automatically define __cplusplus,
+	__OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
+	the respective -lang switch.
+
+	* cpphash.h (enum node_type, struct hashnode, _cpp_lookup
+	prototype): Move to...
+	* cpplib.h: ... here.  Rename struct hashnode to struct
+	cpp_hashnode and give it a typedef.  Rename _cpp_lookup to
+	cpp_lookup.  Add 'fe_value' slot, a union tree_node *.
+
+2000-05-27  Geoffrey Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/rs6000.md (movsi): Constify 'name'.
+
+	* regclass.c [CLASS_CANNOT_CHANGE_SIZE]
+	(class_can_change_size): New variable.
+	(reg_changes_size): New variable.
+	(init_reg_sets_1): Initialise class_can_change_size.
+	(record_operand_costs): Remove subreg_changes_size.
+	Don't pass it around.  Instead update reg_changes_size.
+	(regclass): Initialise and free reg_changes_size.  If a register
+	changes size, don't preference it to a class that contains
+	registers that can't change size.
+	(record_reg_classes): Don't look at subreg_changes_size.
+
+2000-05-27  Richard Henderson  <rth@cygnus.com>
+
+	* print-rtl.c (reg_names): Remove const.
+	* regclass.c (reg_names): Likewise.
+	* regs.h (reg_names): Likewise.
+	* hard-reg-set.h (reg_names): Likewise.
+
+2000-05-27  Richard Henderson  <rth@cygnus.com>
+
+	* config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
+
+2000-05-27  Richard Henderson  <rth@cygnus.com>
+
+	* config/alpha/alpha.c (alpha_does_function_need_gp): Test
+	TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
+	(alpha_expand_prologue): Emit prologue_mcount if needed.
+	* config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
+	* config/alpha/alpha.md (prologue_mcount): New.
+	* config/alpha/linux.h (FUNCTION_PROFILER): Remove.
+	(TARGET_PROFILING_NEEDS_GP): Undef before redefining.
+	* config/alpha/netbsd.h: Likewise.
+
+2000-05-27  Richard Henderson  <rth@cygnus.com>
+
+	* config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
+	change to config/elfos.h.
+
+2000-05-27  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (resource.o): Depend on except.h.
+	* except.h (output_exception_table_data): Prototype.
+	* genconfig.c (gen_peephole2): Prototype.
+	* genemit.c (main): Include ggc.h.
+	* genoutput.c: Revert parts of last change: include errors.h
+	(main): Set progname.
+	* recog.c: Include hard-reg-set.h before recog.h.
+	* resource.c: Include except.h.
+
+	* config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
+	with RTX_CODE.
+	(alpha_write_linkage): Protect with BUFSIZ.
+	(alpha_need_linkage): Update prototype.
+	* config/alpha/alpha.c (function_arg): Move VMS code here.
+	(alpha_links_base): Remove.
+	(alpha_links): New.
+	(mark_alpha_links_node, mark_alpha_links): New.
+	(alpha_write_one_linkage): New.
+	(alpha_need_linkage): Use a splay tree.  Build the linkage symbol.
+	(alpha_write_linkage): Use splay_tree_foreach.
+	* config/alpha/alpha.md (call_vms): Use alpha_need_linkage
+	to get the linkage symbol.
+	(call_value_vms): Likewise.
+	* config/alpha/elf.h (output_file_directive): Remove decl.
+	(ctors_section, dtors_section): Prototype.
+	(sbss_section, sdata_section): Prototype.
+	* config/alpha/vms.h (FUNCTION_ARG): Remove.
+	(readonly_section, link_section, literals_section): Prototype.
+	(ctors_section, dtors_section): Prototype.
+	(vms_valid_decl_attribute_p): Remove decl.
+	(alpha_arg_type, alpha_arg_info_reg_val): Likewise.
+
+2000-05-27  Geoff Keating  <geoffk@cygnus.com>
+
+	* reload.c (get_secondary_mem): Don't widen floating-point modes.
+
+	* combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
+	substituting the REG in a (subreg:X (reg:Y ...)).
+
+2000-05-28  Neil Booth  <NeilB@earthling.net>
+
+	* cpplex.c (_cpp_lex_line): Merge vertical space.  Flag
+	first token of a line BOL.  Update EOF code for this.
+	Remove illegal directive check - it appears in the (not
+	yet committed) caller.
+	* cpplib.h (BOL): New flag.
+
+2000-05-28  Neil Booth  <NeilB@earthling.net>
+
+	* cpplex.c (_cpp_init_toklist): No comment space to initialise.
+	(_cpp_free_toklist): No comment space to free.
+	(expand_comment_space): Remove.
+	(save_comment_space): Place the comment in the current token and
+	not in a separate comment space.
+	(_cpp_lex_line): Save comments during plain code and #define
+	directives only.
+	* cpplib.h (struct _cpp_toklist): Remove comment space.
+
+2000-05-28  Neil Booth  <NeilB@earthling.net>
+
+	* cppexp.c (parse_assertion): Supply extra argument to
+	_cpp_init_toklist.
+	* cpplib.c (do_assert, do_unassert): Similarly.
+	* cpphash.h (_cpp_init_toklist) Update.
+	(_cpp_expand_token_space): New.
+	(DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
+	* cpplex.c (_cpp_init_toklist): New argument.
+	(parse_string2): New argument multiline_ok.
+	(spell_token): Take a const cpp_token *.
+	(INIT_NAME): Replace with INIT_TOKEN_NAME.  Update tokens_used.
+	(SPELL_ macros): Replace with enum.
+	(expand_token_space): Replace with _cpp_expand_token_space.
+	Take COUNT argument.
+	(IS_DIRECTIVE): Update.
+	(_cpp_lex_line): Update token structure before parsing number.
+	Don't assume start at beginning of token list.
+	(save_comment): Use INIT_TOKEN_NAME.
+
+2000-05-27  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
+	-Wmissing-prototypes.
+	* configure: Regenerate.
+	* gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
+
+	* builtins.c, calls.c: Change all instances of gen_call_* or
+	gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
+	* calls.c (struct_value_size_rtx): Separate definition from
+	initialization to avoid unused variable warning.
+
+	* genflags.c (gen_macro): New function.
+	(gen_proto): Call it for gen_call_* and gen_sibcall_*.
+	(gen_nonproto): Delete.
+	(gen_insn): Put all insns on the same obstack.
+	(main): Generate prototypes for everything unconditionally.
+
+	* configure.in: Add AC_CHECK_TYPE(ssize_t).  Remove commented
+	out check for wchar_t.
+	* acconfig.h: Add template for ssize_t.  Remove @TOP@.
+	* system.h: Add infrastructure for defining missing
+	TYPE_MAX/TYPE_MIN macros.  Use it to provide fallback
+	definitions of UCHAR_MAX and SSIZE_MAX.
+	* configure: Regenerate.
+	* config.in: Regenerate.
+
+	* Makefile.in (libgcc2.ready): Rename to libgcc.ready.
+	Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
+	headers.
+	(clean): No need to delete libgcc1.a, libgcc1-asm.a,
+	libgcc2.a, or libgcc1.null.
+
+2000-05-27  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (recog.o): Don't depend on resource.h.
+	* recog.c: Don't include resource.h.
+	(recog_last_allowed_insn): Remove.
+	(recog_next_insn): Remove.
+	(struct peep2_insn_data): New.
+	(peep2_insn_data, peep2_current): New.
+	(peep2_next_insn): New.
+	(peep2_regno_dead_p, peep2_reg_dead_p): New.
+	(peep2_find_free_register): New.
+	(peephole2_optimize): Track life information by insn as we go.
+	* recog.h: Update declarations.
+	* resource.c (find_free_register, reg_dead_p): Remove.
+	* resource.h: Remove their declarations.
+	* toplev.c: Include hard-reg-set.h before recog.h.
+
+	* genconfig.c (max_insns_per_peep2): New.
+	(gen_peephole2): New.
+	(main): Call it.
+	* genemit.c (output_peephole2_scratches): Generate calls to
+	peep2_find_free_register; adjust surrounding code.
+	(main): Have insn-emit.c include hard-reg-set.h before recog.h.
+	* genrecog.c (change_state): Don't track last_insn.
+	(write_action): Write into *_pmatch_len before accepting.
+	(write_tree): Adjust peephole2_insns and subroutines to match.
+
+	* config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
+
+	* config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
+	(hard_int_register_operand): New.
+	* config/alpha/alpha-protos.h: Declare it.
+	* config/alpha/alpha.h (PREDICATE_CODES): Update.
+	* config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
+	as needed; use peep2_reg_dead_p instead of dead_or_set_p.
+
+2000-05-27  Richard Henderson  <rth@cygnus.com>
+
+	* function.c (thread_prologue_epilogue_insns): Don't move the
+	line note at the head of the chain.  Only force a lineno note
+	before the end of block 0.
+
+2000-05-27  Richard Henderson  <rth@cygnus.com>
+
+	* gensupport.c (collect_insn_data): Record the maximum number
+	of alternatives, not the last seen.
+
+	* genoutput.c: Don't include errors.h.
+	(struct data): Add lineno member.
+	(have_error): New.
+	(scan_operands): Use message_with_line instead of error.
+	(validate_insn_alternatives): Likewise.
+	(gen_insn): Accept and store the pattern's line number.
+	(gen_peephole, gen_expand, gen_split): Likewise.
+	(main): Don't set progname.  Pass line_no to gen_foo.
+
+2000-05-27  Richard Henderson  <rth@cygnus.com>
+
+	* config/d30v/d30v.c (d30v_print_operand): Handle ':'.
+	* config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
+	* config/d30v/d30v.md (attr predicable): New.
+	(all insn patterns): Mark non-predicable patterns; use %: on the rest.
+	(andsi3*): Unify into one pattern.
+	(iorsi3*, xorsi3*): Likewise.
+	(peephole2 patterns): Use peep2_reg_dead_p; verify not a
+	conditional return.
+	(old cond_exec patterns): Remove.
+	(define_cond_exec): New.
+
+Sat May 27 11:01:27 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* tree.h (TREE_CODE_LENGTH): New macro.
+	* c-common.c (c_find_base_decl): Use it.
+	* expr.c (safe_from_p): Likewise.
+	* print-tree.c (print_node): Likewise.
+	* tree.c (make_node, copy_node, get_identifier): Likewie.
+	(first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
+	(build, build_nt, build_parse_node, simple_cst_equal): Likewise.
+	* fold-const.c (make_range): Likewise.
+	(fold): Likewise; also use first_rtl_op.
+	* c-iterate.c (collect_iterators): Use first_rtl_op.
+	* calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
+	Use IS_EXPR_CODE_CLASS.
+	(preexpand_calls): Likewise.
+	* ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
+	and TREE_CODE_LENGTH.
+	* stmt.c (warn_if_unused_value): If no operands, no unused value.
+
+2000-05-26  Geoffrey Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
+	than '%1(%*)'.
+	(movdi_internal64): Likewise.
+
+	* config/rs6000/rs6000.md: Correct order of operands for DImode
+	boolean patterns.
+
+	* config/rs6000/rs6000.c (boolean_or_operator): New function.
+	* config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
+	* config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
+	* config/rs6000/rs6000.md: Use boolean_or_operator instead of
+	boolean_operator for the boolean patterns without NOTs.
+
+	* config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
+	from reg_or_u_cint_operand.  Change comment and behaviour.
+	(logical_operand): Clean up, add assertion.
+	(non_logical_cint_operand): Also check for
+	reg_or_logical_cint_operand.
+	* config/rs6000/rs6000.h (PREDICATE_CODES): Update.
+	* config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
+	in the expander.
+	(xorsi3): Likewise.
+	(iordi3): Likewise.
+	(xordi3): Likewise.
+
+2000-05-26  Mark Mitchell  <mark@codesourcery.com>
+
+	* tree.h (struct record_layout_info): Rename to (struct
+	record_layout_info_s).
+	* stor-layout.c (start_record_layout): Replace
+	`record_layout_info' with `record_layout_info_s'.
+
+2000-05-26  Richard Earnshaw  <rearnsha@arm.com>
+
+	* flow.c (find_label_refs): New function.
+	(find_basic_blocks_1): Call it for each alternative of a call
+	placeholder.
+
+2000-05-26  Richard Earnshaw  <rearnsha@arm.com>
+
+	* ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
+	of get_pc.
+
+2000-05-25  Richard Henderson  <rth@cygnus.com>
+
+	* config/alpha/alpha.c (alpha_comparison_operator): Don't be
+	so strict about DImode.
+	(alpha_swapped_comparison_operator): Likewise.
+	* config/alpha/alpha.md (*setne_internal): Name it.  Allow
+	any integer output mode.
+	(*setcc_internal): Likewise.
+	(*setcc_swapped_internal): Likewise.
+	(*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
+	(*mov[qhs]icc_internal): New.
+	(*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
+
+2000-05-25  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
+
+2000-05-25  Richard Henderson  <rth@cygnus.com>
+
+	* bb-reorder.c (reorder_block_def): Reorder elements for size.
+	Remove add_jump; add next; replace flags with visited.
+	(rbd_init): Remove.
+	(REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
+	(REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
+	(REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
+	(REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
+	(RBI): New.
+	(reorder_index, reorder_last_visited): Remove.
+	(skip_insns_after_block): Rewrite to use a switch.
+	(get_common_dest): Remove.
+	(chain_reorder_blocks): Remove.
+	(record_effective_endpoints): Split out from reorder_basic_blocks.
+	(make_reorder_chain): Likewise.  Loop until all blocks are placed.
+	(make_reorder_chain_1): Renamed from old make_reorder_chain.
+	Only construct the reorder chain, do not move insns.  Try harder
+	to tail recurse.
+	(label_for_bb, emit_jump_to_block_after): New.
+	(fixup_reorder_chain): Use them.  Do bulk block movement.  Examine
+	and adjust the jump insns appropriately.  Fixup basic_block_info.
+	(verify_insn_chain): Always define.
+	(relate_bbs_with_scopes): Call xmalloc, not xcalloc.  Fix thinko
+	in allocation size.
+	(make_new_scope): Don't write zeros to calloc'd space.
+	(build_scope_forest): Rely on xrealloc to DTRT.
+	(reorder_basic_blocks): Don't build loop nest.  Don't fail if
+	profile_arc_flag.  Streamline EH test.
+
+	* flow.c (redirect_edge_succ, redirect_edge_pred): New.
+	* basic-block.h: Declare them.
+
+2000-05-25  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* emit-rtl.c (reset_used_decls): New function.
+	(unshare_all_rtl_again): Call it.
+
+2000-05-25  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplex.c (maybe_macroexpand): Warn about function-like
+	macros used in non-function context, if -Wtraditional.
+
+2000-05-25  Mark Mitchell  <mark@codesourcery.com>
+
+	* recog.c (peephole2_optimize): Use INSN_P.
+
+2000-05-25  Richard Henderson  <rth@cygnus.com>
+
+	* ifcvt.c (seq_contains_jump): New.
+	(noce_try_store_flag_constants): Use it to fail conversion.
+	(noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
+
+2000-05-25  Mark Mitchell  <mark@codesourcery.com>
+
+	* except.h (can_throw): Declare it.
+	* except.c (can_throw): Give it external linkage.
+	* resource.c (find_dead_or_set_registers): Use can_throw.
+
+2000-05-25  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (mark_set_1): Don't record conditionally dead memory.
+
+2000-05-25  Jan Hubicka  <jh@suse.cz>
+
+	* combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
+	and pc_set at the place of simplejump_p and condjump_p.
+	* cse.c (record_jump_equiv): Likewise.
+	* emit-rtl.c (emit): Likewise.
+	* explow.c (find_next_ref): Likewise.
+	* flow.c (tidy_fallthru_edge): Likewise.
+	(init_propagate_block_info): Likewise.
+	* gcse.c (delete_null_pointer_checks): Likewise.
+	* ifcvt.c (cond_exec_get_condition, noce_get_condition,
+	dead_or_predicable): Likewise.
+	* integrate.c (copy_insn_list): Likewise.
+	* loop.c (scan_loop, verify_dominator, find_and_verify_loops,
+	for_each_insn_in_loop, check_dbra_loop, get_condition,
+	insert_bct, load_mems): Likewise.
+	* resource.c (find_dead_or_set_registers): Likewise.
+	* sibcalls.c (simplejump_p): Likewise.
+	* unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
+
+2000-05-25  David Edelsohn  <edelsohn@gnu.org>
+
+	* rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
+	to STRING case.  Use doubleword STRING move for TARGET_POWERPC64
+	when unaligned.
+	* rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
+	(RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
+	(LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
+	* rs6000.md: Name various internal patterns.
+
+2000-05-25  Jan Hubicka  <jh@suse.cz>
+
+	* jump.c (invert_exp_1): Remove first argument, use pc_set
+	to get the expression.
+	(redirect_exp): Make static; redirect only the pc_set expression,
+	remove first argument.
+	(invert_exp): Remove first argument, make static.
+	(jump_optimize): Use any_condjump_p, any_uncondjump_p and
+	any_onlyjump at most places where we originaly did condjump_p
+	and simplejump_p.
+	(jump_back_p, follow_jumps, thread_jumps): Likewise.
+	(delete_barrier_succesors): Use pc_set.
+	(invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
+	calls of invert_exp and redirect_exp.
+	* rtl.h (redirect_exp, invert_exp): Remove.
+	* unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
+
+2000-05-25  Richard Henderson  <rth@cygnus.com>
+
+	* stmt.c (expand_end_bindings): Fix thinko last change.
+
+2000-05-25  Andrew MacLeod  <amacleod@cygnus.com>
+	    Andrew Haley  <aph@cygnus.com>
+
+	* except.c  (func_eh_entry): Add emitted field.
+	(new_eh_region_entry): Set emitted field to 0;
+	(output_exception_table_entry): Only emit previously un-emitted data,
+	and send it to the eh_data section.
+	(output_exception_table): Break out common parts. Output
+	exception table for entire compilation unit to eh_data section.
+	(output_exception_table_data): Common parts of output_exception_table.
+	Send output to eh_data section.
+	(output_function_exception_table): Output exception table data for
+	a single function to eh_data section.
+	(free_exception_table): New external to free the table.
+	* except.h (free_exception_table): Add prototype.
+	(output_function_exception_table): Add prototype.
+	* final.c (final_end_function): Output function exception table
+	for IA64_UNWIND_INFO.
+	(final_scan_insn): Emit any unwind directives for an insn.
+
+	* frame-dwarf2.c: New file containing all DWARF 2 specific code
+	from frame.c.
+	* frame.c: Remove all DWARF 2 specific code.
+	* config/ia64/frame-ia64.c: New file.
+	(gthread_stuff): Make all gthread available with
+	IA64_UNWIND_INFO.
+	(dwarf_fde): Define an IA64 struct for dwarf_fde.
+	(__register_frame_info, __register_frame): Move to common area of file.
+	(__register_frame_info_table, __register_frame_table): Move to common i
+	area.
+	(__deregister_frame_info, __deregister_frame): Move to common area.
+	(__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
+	(read_uleb128): New version for ia64.
+	(get_unwind_record): Read the next IA-64 unwind record.
+	(read_R_record): Read a region header record.
+	(process_a_b_reg_code): X record helper.
+	(read_X_record): Read an X format record.
+	(read_B_record): Read a B format record.
+	(P3_record_types): List of record types matching the P3 format.
+	(P7_record_types): List of record types matching the P7 format.
+	(P8_record_types): List of record types matching the P8 format.
+	(read_P_record): Read a P format record.
+	(init_ia64_reg_loc): Set default fields for a register.
+	(init_ia64_unwind_frame): Set defaults for all register records.
+	(execute_one_ia64_descriptor): Execute one descriptor record.
+	(rse_address_add): Calculate the position of a local reg in memory.
+	(normalize_reg_loc): Turn a location descriptor into a memory address.
+	(maybe_normalize_reg_loc): Only normalize a descriptor if it falls
+	within a specified PC offset range.
+	(get_real_reg_value): Given a register location, retrieve its value.
+	(set_real_reg_value): Change the value of a register location.
+	(copy_reg_value): Copy reg values, if needed.
+	(copy_saved_reg_state): Copy all registers that need to be copied.
+	(process_state_between): Normalize all frame register records that
+	fall within the specified PC range.
+	(frame_translate): Take a processed frame description, and turn
+	everything into addresses.
+	(build_ia64_frame_state ): Find and create frame state record for a PC.
+	(get_personality): Get the personality routine for a given frame.
+	(get_except_table): Get the exception table for a given frame.
+	(record_name): Unwind record names for debugging.
+	(print_record): Print and unwind record.
+	(print_all_records): Print an entire unwind image.
+	(__ia64_backtrace): Print a backtrace.
+	(ia64_backtrace_helper): New function.
+	(__register_frame_info_aux): New function.
+	* config/ia64/crtend.asm (__do_frame_setup_aux): New function.
+
+	* frame.h (enum unw_record_type): New unwind record types.
+	(struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
+	(struct unw_r_record, unwind_record): New unwind record structs.
+	(struct unwind_info_ptr): Unwind information layout.
+	(IA64_UNW_LOC_TYPE_*): Macros for different types for location
+	descriptors.
+	(struct ia64_reg_loc): Register location description.
+	(struct ia64_frame_state): Location of all registers in a frame.
+	(struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
+	* libgcc2.c (__ia64_personality_v1): Personality routine.
+	(__calc_caller_bsp): Calculate the bsp register for the caller's
+	frame.
+	(ia64_throw_helper): Figure out who to return to and set up the
+	registers.
+	(__throw): Throw routine.
+
+	* output.h (assemble_eh_align, assemble_eh_label): New functions
+	to generate EH info where we want it.
+	(assemble_eh_integer): New function.
+	* toplev.c (compile_file): Output module level exception table for
+	non-ia64 targets.
+	(main): Set exceptions_via_longjump and flag_new_exceptions based
+	on IA64_UNWIND_INFO too.
+
+	* varasm.c (assemble_eh_label): Generate a label via
+	ASM_OUTPUT_EH_LABEL if it has been specified.
+	(assemble_eh_align): Generate an alignment directive via
+	ASM_OUTPUT_EH_ALIGN if it has been specified.
+	(assemble_eh_label): Generate an integer value via
+	ASM_OUTPUT_EH_type if they have been specified.
+	* config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
+	(ia64_init_builtins): Add __builtin_ia64_bsp
+	and __builtin_ia64_flushrs.
+	(ia64_expand_builtin): Add IA64_BUILTIN_BSP and
+	IA64_BUILTIN_FLUSHRS.
+	* config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
+	IA64_BUILTIN_FLUSHRS.
+
+	* config/ia64/ia64.md (flushrs): New insn to flush the register
+	stack.  Add to unspec list.
+
+	* config/ia64/crtbegin.asm (frame_object): Change size.
+	(__do_frame_setup_aux): New function.
+	* config/ia64/crtend.asm: call __do_frame_setup_aux.
+	* config/ia64/t-ia64 (LIB2ADDEH): Add.
+	* Makefile.in (LIB2ADDEH): Add.
+	(LIB2ADD): Use LIB2ADDEH.
+
+2000-05-24  Richard Henderson  <rth@cygnus.com>
+
+	* recog.c (offsettable_address_p): If mode size is zero, assume
+	BIGGEST_ALIGNMENT.
+
+2000-05-24  J. David Anglin  <dave@hiauly.hia.nrc.ca>
+
+	* configure.in: Check for -Wno-long-long option support and improve
+	handling of warning CFLAGS for stages 1 and 2.
+	* Makefile.in (WARN_CFLAGS): Move definition to configure.in.
+	* configure: Regenerate.
+
+Wed May 24 19:37:53 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* gcc.texi: Remove contributor list.  Instead include contrib.texi.
+	* contrib.texi: New file.
+
+Thu May 25 02:27:22 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* loop.c (basic_induction_var): Avoid double recording of an increment.
+
+Thu May 25 02:19:27 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* Back out this patch:
+	Tue Dec  7 19:22:06 1999  Richard Henderson  <rth@cygnus.com>
+	  * loop.h (struct induction): Add multi_insn_incr.
+	  * loop.c (basic_induction_var): New multi_insn_incr argument.
+	  Set it if we search back through previous insns for the biv.
+	  (record_biv): New multi_insn_incr argument; fill in struct induction.
+	  (strength_reduce): Discard an iv with multiple bivs, any of
+	  which require multiple insns to increment.
+
+	* loop.c (check_insn_for_bivs): Remove bits copied from above patch.
+
+Thu May 25 02:09:10 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* rtl.h (loc_mentioned_in_p): Declare.
+	* reload.c (loc_mentioned_in_p): Moved from here...
+	* rtlanal.c (loc_mentioned_in_p): to here.  No longer static.
+	Fix loop increment for 'E' handling.
+	* loop.c (strength_reduce): When doing biv->giv conversion,
+	take multi-insn biv increments into account.
+
+2000-05-24  Jason Merrill  <jason@casey.soma.redhat.com>
+
+	* stmt.c (expand_end_bindings): Look through NOTEs to find a
+	BARRIER.
+
+2000-05-24  Mark Mitchell  <mark@codesourcery.com>
+
+	* calls.c (expand_call): Handle cleanups in tail-recursion
+	arguments analagously to cleanups in sibling calls.
+
+2000-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
+	All callers changed.
+
+2000-05-24  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* expr.c (expand_assignment, store_expr, expand_expr,
+	expand_expr_unaligned): Set in_check_memory_usage while emitting
+	chkr_check_addr libcall.
+
+2000-05-24  Nick Clifton  <nickc@cygnus.com>
+
+	* fold-const.c (extract_muldiv): When constructing a
+	multiplier/divisor, do not expect const_binop to correctly
+	determine if overflow has occured, so check explicitly.
+
+2000-05-24  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* c-decl.c (build_enumerator): Don't modify the value's type,
+	convert it.
+
+2000-05-24  Andreas Jaeger  <aj@suse.de>
+
+	* mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
+
+2000-05-24  Eric Christopher <echristo@cygnus.com>
+
+	* configure.in: Redefine inhibit_libc conditions.
+	* libgcc2.c: Remove inhibit_libc conditional define.
+	* configure: Regenerate.
+
+2000-05-24  Phil Edwards  <pme@sourceware.cygnus.com>
+
+	* configure.in:  For --enable-languages=LIST, check for empty LIST.
+	* configure:  Regenerate.
+
+2000-05-24  Lars Brinkhoff  <lars@nocrew.org>
+
+	* pdp11.h (STACK_BOUNDARY): Define.
+
+2000-05-24  Jakub Jelinek  <jakub@redhat.com>
+
+	* ifcvt.c (if_convert): Update life info globally.
+
+2000-05-24  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* emit-rtl.c (unshare_all_decls): New function.
+	(unshare_all_rtl): Call it.
+
+2000-05-23  Nick Clifton  <nickc@cygnus.com>
+
+	* configure.in: Treat 'strongarm' as if it were 'arm' when
+	determining cpu type.
+
+	* configure: Regenerate.
+
+	* config/arm/arm.c: Change 'char *' to 'const char *' for cases
+	where constant strings are involved.
+
+	* config/arm/arm.h (arm_condition_codes): Change type to 'const
+	char *'.
+
+	* config/arm/arm-protos.h: Change 'char *' to 'const char *' for
+	cases where constant strings are involved.
+
+Tue May 23 15:08:31 2000  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/sh/sh.c (gen_far_branch, split_branches): Update
+	to reflect new prototypes for redirect_jump and invert_jump.
+	(sh_insn_length_adjustment): Get rid of const warnings.
+
+2000-05-23  Kazu Hirata  <kazu@hxi.com>
+
+	* invoke.texi (Options for Debugging Your Program or GCC): Update
+	the names of dump files.
+
+Tue May 23 13:58:52 2000  Philippe De Muyter  <phdm@macqel.be>
+
+	* configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
+	* configure: Regenerated.
+
+2000-05-23  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* simplify-rtx.c (SIGN_EXTEND): New macro.
+	(simplify_unary_operation, simplify_binary_operation,
+	simplify_relational_operation): Use SIGN_EXTEND.  Make low
+	halves of (low, high) pairs unsigned if they weren't already.
+	(simplify_ternary_operation): Cast INTVAL to unsigned before
+	comparing to a MODE_BITSIZE.
+
+2000-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
+	rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
+
+	* configure.in (gcc_AC_CHECK_DECLS): Call this instead of
+	gcc_AC_NEED_DECLARATIONS.
+
+	* dwarfout.c: Don't prototype time().
+
+	* gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
+
+	* system.h: Likewise.
+
+	* toplev.c: Likewise.
+
+2000-05-23  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* c-decl.c (pushdecl): Invert sense of test for non-global types.
+
+Tue May 23 18:11:42 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
+
+2000-05-23  Jonathan Larmour  <jlarmour@redhat.co.uk>
+
+	* config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
+
+Tue May 23 06:50:29 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
+	(alpha_start_function): Never write ..ng label if VMS or NT.
+	(alpha_align_insns): Remove GP_IN_USE arg.
+	Alignment now unsigned.
+	(alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
+	* config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
+	and two define_insn's.
+
+2000-05-22  Richard Henderson  <rth@cygnus.com>
+
+	* combine.c (simplify_comparison): Use trunc_int_for_mode.
+
+2000-05-22  Richard Henderson  <rth@cygnus.com>
+
+	* stor-layout.c (place_field): Change rli->size to rli->offset.
+
+2000-05-22  Richard Henderson  <rth@cygnus.com>
+
+	* function.c (thread_prologue_and_epilogue_insns): Make sure
+	existing line number notes appear after the prologue.
+
+Mon May 22 21:49:00 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* config/alpha/alpha.c (alpha_fnname): New static variable.
+	(print_operand, case '~'): New case.
+	(alpha_expand_prologue): Emit prologue_ldgp insn if needed.
+	(alpha_start_function): Set alpha_fnname.
+	Write "ng" label if no ldgp; don't write ldgp insn.
+	* config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
+	* config/alpha/alpha.md (prologue_ldgp): New define_insn.
+
+Mon May 22 11:30:48 2000  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* jump.c (jump_optimize_1): Don't increment LABEL_NUSES
+	on deleted labels.
+
+2000-05-22  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* varasm.c (eh_frame_section): Revert change to argument list.
+
+Mon May 22 13:14:03 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
+	(gen_extend_insn, can_fix_p, can_float_p): Likewise.
+
+	* final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
+	dangling "else" that causes "break" to be conditional.
+	Also remove unneeded code at start.
+
+Mon May 22 17:31:35 2000  Philippe De Muyter  <phdm@macqel.be>
+
+	* m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
+	* fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
+	* gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
+
+2000-05-22  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
+	just one argument.
+
+Mon May 22 06:57:49 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* alias.c (record_component_aliases): New function.
+	* tree.h: Clean up some declarations and comments.
+	(record_component_aliases): New declaration.
+	* tree.c (get_alias_set): If type and has alias set, use it.
+
+2000-05-22  Richard Henderson  <rth@cygnus.com>
+
+	* simplify-rtx.c (simplify_ternary_operation): Try to simplify
+	IF_THEN_ELSE to a setcc form.
+	* jump.c (can_reverse_comparison_p): Be prepared for insn null.
+
+2000-05-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* fixinc/inclhack.def (sun_malloc): Handle `calloc'.
+	(sun_malloc, sysz_stdtypes_for_sun): Add test_text.
+
+Sun May 21 16:42:31 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
+	not a PARALLEL.
+
+2000-05-20  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
+	* config/mn10300/mn10300.c (print_operand): Likewise.
+
+	* final.c (split_double): Right shift of negative values is not
+	portable.
+
+	* ifcvt.c (if_convert): Scan and kill dead code.
+
+	* emit-rtl.c (unshare_all_rtl): Store the copied rtx.
+
+2000-05-20  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* diagnostic.c: Eliminate implicit int.
+	* except.c, gcc.c: Add static prototypes.
+	* final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
+	* gensupport.c (process_rtx): Use XVEC to initialize vector
+	slot of 'split'.
+
+	* print-rtl.c: If DEBUG_REGISTER_NAMES, define static
+	debug_reg_names instead of static reg_names.  If not, define
+	global reg_names.
+	* regclass.c: Don't define global reg_names unless
+	DEBUG_REGISTER_NAMES is defined.
+
+	* reload1.c (order_regs_for_reload): Remove unused variable.
+	* varasm.c: Include output.h after defaults.h.  Define
+	eh_frame_section as function of no args, not of unspecified args.
+
+	* gcc.c: Constify argbuf; arguments to store_arg,
+	process_command, main; elements of struct command and struct
+	switchstr; local variables in execute, process_command, main.
+
+2000-05-20  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/inclhack.def:  many applications of c_fix=format + tests
+	* fixinc/check.diff:  regenerated
+	* fixinc/fixincl.x:  regenerated
+
+Sat May 20 09:30:55 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* alias.c: Clarify some comments.
+	(record_base_value): REGNO is unsigned.
+	* rtl.h (record_base_value): Likewise.
+
+	* alias.c (aliases_everything_p): Don't special-case QImode here.
+	* c-common.c (c_get_alias_set): Do it here.
+	Handle BIT_FIELD_REF by getting alias info for arg.
+	Use POINTER_TYPE_P.
+
+2000-05-20  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* mklibgcc.in: Restore rule to create ${dir}.
+
+Sat May 20 08:45:41 2000  H.J. Lu  <hjl@gnu.org>
+
+	* Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
+	GCC_FOR_TARGET used by MULTILIBS.
+	* mklibgcc.in: Make sure each .o file depends on the
+	directory it will be in.
+	Make the multilib directory depends libgcc.
+
+Sat May 20 08:29:28 2000  H.J. Lu  <hjl@gnu.org>
+
+	* Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
+
+Sat May 20 07:27:35 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* fold-const.c (make_range): Handle degenerated intervals.
+	Fixes c-torture/execute/991221-1.c
+
+Fri May 19 18:16:31 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
+	* reload.c (find_equiv_reg): Likewise.
+	* alias.c (init_alias_analysis): Likewise.
+	Only call prologue_epilogue_contains on insns.
+	* basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
+	* bb-reorder.c (hard-reg-set.h): Include earlier.
+	* haifa-sched.c (hard-reg-set.h): Likewise.
+	* ifcvt.c (hard-reg-set.h): Likewise.
+	* local-alloc.c (hard-reg-set.h): Likewise.
+	* loop.c (hard-reg-set.h): Likewise.
+	* predict.c (hard-reg-set.h): Likewise.
+	* regrename.c (hard-reg-set.h): Likewise.
+	* flow.c (hard-reg-set.h): Likewise.
+	(reg_set_to_hard_reg_set): New function.
+	* bitmap.c (regs.h, basic-block.h): No longer include.
+	(bitmap.h): Now include.
+	* conflict.c (hard-reg-set.h): Include.
+	* profile.c (hard-reg-set.h): Likewise.
+	* print-rtl.c (hard-reg-set.h): Likewise.
+	* sbitmap.c (hard-reg-set.h): Likewise.
+	* toplev.c (hard-reg-set.h): Likewise.
+	* unroll.c (hard-reg-set.h, basic-block.h): Likewise.
+	* hard-reg-set.h (reg_names): Now constant.
+	* regs.h (reg_names): Likewise.
+	* regclass.c (reg_names): Likewise.
+	* loop.h (basic-block.h): No longer include.
+	(bitmap.h): Now include.
+	* reload1.c (order_regs_for_reload): Avoid loop over reg sets.
+	* Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
+	(toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
+
+2000-05-19  Jan Hubicka  <jh@suse.cz>
+	    Richard Henderson  <rth@cygnus.com>
+
+	* basic-block.h (struct edge_def): New field "count".
+	(struct basic_block_def): Likewise.
+	* flow.c (entry_exit_blocks): Add count fileds.
+	(split_edge): Keep count information up-to-date.
+	(dump_edge_info, dump_flow_info): Dump count fields.
+
+	* final.c (count_instrumented_edges): Rename to edge from arc.
+	(end_final): Update users.
+	* profile.c: Include expr.h, basic-block.h.
+	(struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
+	(struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
+	(ignore_next_note, return_label_execution_count): Kill.
+	(bbg_file_name, da_file_name): Kill.
+	(edge_info, bb_info): New structures.
+	(EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
+	(count_instrumented_edges, total_num_edges): Rename to edge from arc.
+	(total_num_edges_instrumented): Likewise.
+	(init_arc, expand_spanning_tree): Kill.
+	(fill_spanning_tree, tablejump_entry_p): Kill.
+	(instrument_edges):  Rewrite from instrument_arcs to use
+	commit_edge_insertions infrastructure.
+	(compute_branch_probabilities): Remove arguments; rewrite for
+	CFG infrastructure; use rtl_dump_file directly.
+	(branch_prob, find_spanning_tree): Likewise.
+	(union_groups, find_group): New.
+	(init_branch_prob): Make bbg_file_name and da_file_name local.
+	(end_branch_prob): Use rtl_dump_file directly.
+	(init_edge_profiler): Rename to edge from arc.
+	(output_arc_profiler): Kill.
+	(gen_edge_profiler): New.
+	(output_func_start_profiler): Turn off profiling.  Make the
+	constructor static when we can.
+	* rtl.h (branch_prob, end_branch_prob): Update prototypes.
+
+	* toplev.c (DFI_flow): Remove.
+	(DFI_cfg, DFI_life): New.
+	(dump_file): Update accordingly.
+	(compile_file): Call end_branch_prob if profile_arc_flag too.
+	(rest_of_compilation): Move flow1 cfg creation to DFI_cfg.  Do edge
+	profiling after the CFG is built.  Move flow1 life analysis to
+	DFI_life.  Always estimate remaining probabilities.
+
+2000-05-19  Richard Henderson  <rth@cygnus.com>
+
+	* ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
+
+	* flow.c (make_edges): The sibling call edge to exit is abnormal.
+
+2000-05-19  Richard Henderson  <rth@cygnus.com>
+
+	* jump.c (redirect_jump): Add delete_unused argument.  Don't
+	remove labels and code following when LABEL_NUSES goes to zero.
+	(invert_jump): Likewise.
+	(jump_optimize_1): Fix redirect/invert arguments.
+	(do_cross_jump, thread_jumps): Likewise.
+	* flow.c (split_edge): Likewise.
+	* reorg.c (optimize_skip): Likewise.
+	(reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
+	* profile.c (instrument_arcs): Likewise.
+	* loop.c (find_and_verify_loops): Likewise.  Fix indentation.
+	* rtl.h: Update prototypes.
+
+Fri May 19 12:05:13 2000  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* ssa.c (convert_from_ssa): Tell life_analysis we need death
+	notes.
+	(make_regs_equivalent_over_bad_edges): Only look at abnormal
+	critical edges.
+
+2000-05-19  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (funlike_macroexpand): Make sure not to walk p1
+	past l1 when deleting whitespace and markers.
+
+	* cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
+	* cpplib.c (do_unassert): Put the list to compare against on
+	the stack.
+
+2000-05-19  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/README:  cleaned up old documentation
+	* fixinc/check.diff: regenerated & verified on OSR5 on ix86
+	* fixinc/check.tpl: compute the list of needed directories
+	emit "#if defined(name)" because of conflict
+	omit machine name differences from output differences
+	* fixinc/inclhack.def( m88k_multi_incl ):  Use `wrap' function
+	(machine_name): change test text to use `sed' markers
+	* fixinc/fixincl.x: regen
+
+Fri May 19 06:49:35 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
+	a CONSTRUCTOR.
+
+2000-05-18  Chris Demetriou  <cgd@sibyte.com>
+
+	* gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
+	it to match the current practice.
+
+2000-05-18  Mark Mitchell  <mark@codesourcery.com>
+
+	* Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
+
+2000-05-18  Richard Henderson  <rth@cygnus.com>
+
+	* rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
+	* rtl.h (insn_dependant_p): Declare it.
+	* loop.c (strength_reduce): Use it.
+
+2000-05-18  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
+	16-bit and 64-bit clean-up.
+
+2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
+
+	* configure.in (*-pc-msdosdjgpp): Set float_format to none.
+	* configure: Rebuilt.
+
+2000-05-18  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* genopinit.c: Use $ for escape sequences in optab patterns.
+	Remove backslashes from optab patterns.  Change $A, $B, $C to
+	expand to (int) whatever instead of just whatever; remove
+	explicit (int) from all optab patterns.
+
+	* gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
+	* genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
+	genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
+	genrecog.c: Remove private copies of xmalloc, xrealloc, and
+	xstrdup.
+
+2000-05-18  Richard Henderson  <rth@cygnus.com>
+
+	* jump.c (jump_optimize_1): Base minimum insn count during
+	find_cross_jump on BRANCH_COST.
+
+2000-05-18  Jakub Jelinek  <jakub@redhat.com>
+
+	* print-rtl.c (print_rtx): Only print note line number as string
+	if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
+	* final.c (final_scan_insn): Do nothing for note line number 0.
+
+2000-05-18  Jakub Jelinek  <jakub@redhat.com>
+
+	* gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
+	from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
+	NOTE_INSN_DELETED_LABEL.
+
+2000-05-18  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
+	uninitialised data in .rodata not .bss, and do not interpret an
+	error in the initialisation value as meaning that the variable
+	should be placed in the .bss section.
+
+Thu May 18 12:10:18 2000  Philippe De Muyter  <phdm@macqel.be>
+
+	* configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
+	not `$ac_cv_prog_cc_cc_c_o'.
+	* configure: Regenerated.
+
+2000-05-18  Chris Demetriou  <cgd@sibyte.com>
+	    Richard Henderson  <rth@cygnus.com>
+
+	* c-common.h (enum c_tree_index): Add g77 type entries.
+	(g77_integer_type_node, g77_uinteger_type_node): New.
+	(g77_longint_type_node, g77_ulongint_type_node): New.
+	* c-decl.c (init_decl_processing): Initialize them.
+
+2000-05-18  Richard Henderson  <rth@cygnus.com>
+
+	* config/h8300/h8300.md (subs patterns): Use %G to negate.
+
+	* config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
+	(small_power_of_two): Likewise; use exact_log2.
+	(adds_subs_operand, one_insn_adds_subs_operand): Remove.
+	(output_adds_subs): Remove.
+	(two_insn_adds_subs_operand): New.
+	(split_adds_subs): New.
+	* config/h8300/h8300-protos.h: Update.
+	* config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
+	(CONST_OK_FOR_L): Match strict adds operands.
+	(CONST_OK_FOR_N): Match struct subs operands.
+	* config/h8300/h8300.md (adds_subs insns): Remove.
+	(addhi patterns): Output adds/subs directly.
+	(addsi_h8300h): Likewise.
+	(addhi/addsi splitters): New.  Decompose two_insn_adds_subs_operand.
+
+2000-05-18  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppexp.c (parse_assertion): New.
+	(lex): Call it for CPP_HASH.  Remove CPP_ASSERTION case.
+	(_cpp_parse_expr): Remove case '#'.  Don't set
+	parsing_if_directive.
+	* cpphash.c (collect_objlike_expansion,
+	collect_funlike_expansion, collect_params,
+	_cpp_create_definition): The list no longer has a trailing
+	VSPACE token.
+	* cpphash.h (enum node_type): Add T_ASSERTION.
+	(struct hashnode): Remove aschain, add pred.
+	(struct predicate): New.
+	Update prototypes.
+
+	* cpplex.c (expand_token_space): Handle both offset and
+	nonoffset lists.
+	(init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
+	(_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
+	_cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
+	_cpp_equiv_toklists): New.
+	(_cpp_scan_line): Rename to _cpp_scan_until; add ability to
+	stop at any single-character token, not just newline.
+	(_cpp_lex_token): Remove special cases for #define and #if.
+	(cpp_get_token): Expect # as a separate token type.  Remove
+	DIRECTIVE case.
+	(_cpp_get_directive_token): Remove DIRECTIVE case.
+	(_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
+
+	* cpplib.c (_cpp_check_directive): Set dirno and
+	SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
+	(_cpp_handle_directive): Run # <number> through the same logic
+	as normal directives.
+	(do_define): Don't set parsing_define_directive.  Use
+	_cpp_scan_until.  The list does not have a VSPACE at the end.
+	(do_if): Save, clear, and restore only_seen_white around
+	_cpp_parse_expr.
+	(skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
+	(do_assert, do_unassert): Rewrite.
+
+	* cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
+	(LIST_OFFSET): New flag.
+	(struct cpp_toklist): Replace dir_handler and dir_flags with
+	dirno and flags.
+	(struct cpp_reader): Remove parsing_if_directive and
+	parsing_define_directive.
+
+2000-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* fixinc/inclhack.def (broken_cabs): Update fix to handle comments
+	following the cabs decl which terminate on the following line.
+	Add the corresponding test_text case.
+
+2000-05-18  Neil Booth  <NeilB@earthling.net>
+
+	* cppinit.c (cpp_reader_init): Initialise col_adjust and
+	default tab stop size.
+	(no_num, OPT_ftabstop): New.
+	(handle_option): Handle "ftabstop=" command-line option.
+	(print_help): Document it.
+	* cpplex.c (COLUMN): Remove.
+	(handle_newline): Reset col_adjust.
+	(skip_whitespace): Update col_adjust as tabs encountered.
+	(_cpp_lex_line): Update to use col_adjust.  Call
+	skip_whitespace for all whitespace.
+	* cpplib.h (struct cpp_options): New member tabstop.
+	(struct cpp_reader): New member col_adjust.
+	(CPP_BUF_COL): Update.
+	(CPP_BUF_COLUMN): New.
+	* cpp.texi: Document "-ftabstop=" command line option.
+
+Wed May 17 18:19:41 2000  Philippe De Muyter  <phdm@macqel.be>
+
+	* configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
+	files.
+	* configure: Rebuilt.
+
+Wed May 17 18:06:12 2000  John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+	* mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
+
+	* tree.c (build_common_tree_nodes): Do not build TI nodes unless
+	HOST_BITS_PER_WIDE_INT is >= 64.
+
+2000-05-17  Richard Henderson  <rth@cygnus.com>
+
+	* jump.c (jump_optimize_1): Remove inactive but real insns
+	in jump-to-next-insn optimization.
+
+2000-05-17  Richard Henderson  <rth@cygnus.com>
+
+	* toplev.c (rest_of_compilation): Don't call optimize_mode_switching
+	unless OPTIMIZE_MODE_SWITCHING.  Conditionally set no_new_pseudos.
+	Don't call recompute_reg_usage if no_new_pseudos is true.
+	* lcm.c (optimize_mode_switching): Move ifdefs outside function.
+	Return true if we did work; update global life information.
+	* basic-block.h (optimize_mode_switching): Update decl.
+
+2000-05-17  Neil Booth  <neilb@earthling.net>
+
+	* cpplex.c (expand_name_space): Don't use ptrdiff_t.
+
+2000-05-17  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.c: New feature, #pragma system_header.
+	* cpp.texi: Document special treatment of system headers, and
+	the various mechanisms to get a header that special treatment.
+
+2000-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* system.h (offsetof): Define at the very end, to ensure we prefer
+	the platform's definition if available.
+
+2000-05-16  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
+	* fixinc/server.c: likewise
+	* fixinc/fixfixes.c( char_macro_def_fix ): fix regex
+	+ #ifdef debugging code + use #def constant for
+	sub-pattern count
+	* fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
+	on C++ math namespace
+
+2000-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
+	Don't check the return value of sprintf.  Use asprintf to avoid
+	buffer overflows.
+
+Wed May 17 17:27:44 2000  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* flags.h (warn_unused_function, warn_unused_label,
+ 	warn_unused_parameter, warn_unused_variable, warn_unused_value):
+ 	Replace ``warn_unused''.
+	(set_Wunused): Add declaration.
+	* toplev.c (set_Wunused): New function.
+	(warn_unused_function, warn_unused_label, warn_unused_parameter,
+ 	warn_unused_variable, warn_unused_value): New variables.
+	(W_options): Add -Wunused-function, -Wunused-function,
+ 	-Wunused-label, -Wunused-parameter, -Wunused-variable and
+ 	-Wunused-value.  Delete -Wunused.  Handled in decode_W_option.
+
+	* toplev.c (decode_W_option): Update -Wunused flags by calling
+ 	set_Wunused.
+  	* c-decl.c (c_decode_option): Ditto for -Wall.
+
+	* stmt.c (expand_expr_stmt, expand_expr_stmt,
+ 	warn_about_unused_variables): Replace warn_unused with more
+ 	explicit warn_unused_value et.al.
+	* function.c (expand_function_end): Ditto.
+	* c-typeck.c (internal_build_compound_expr,
+ 	internal_build_compound_expr): Ditto.
+	* c-decl.c (poplevel, pop_label_level): Ditto.
+	* toplev.c (check_global_declarations): Replace warn_unused with
+	check for either warn_unused_function or warn_unused_variable.
+
+	* gcc.1, invoke.texi (Warning Options): Document
+ 	-Wunused-function, -Wunused-function, -Wunused-label,
+ 	-Wunused-parameter, -Wunused-variable and -Wunused-value options.
+
+Wed May 17 10:28:12 2000  Philippe De Muyter  <phdm@macqel.be>
+
+	* mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
+	$(srcdir), not in the current directory.
+
+2000-05-16  Richard Henderson  <rth@cygnus.com>
+
+	* config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
+	assembler supports it.
+	(.fini, .init): Use a gp-relative indirect call.
+	(__do_global_dtors_aux): Preserve the gp; rebundle.
+	(__do_frame_setup): Likewise.
+	* config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
+	(.init): Use a gp-relative indirect call.
+	(__do_global_ctors_aux): Preserve the gp.
+
+2000-05-16  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (commit_one_edge_insertion): Be prepared for a return
+	insn to be inserted on the edge with a normal jump.
+	* jump.c (jump_optimize_1): Don't look to create return isns.
+
+	* flow.c (flow_delete_insn): Don't adjust reference count of notes.
+	* jump.c (jump_optimize_1): Likewise.
+	(returnjump_p): Verify the argument is a JUMP_INSN.
+	* rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
+
+2000-05-16  Nick Clifton  <nickc@cygnus.com>
+
+	* config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
+	GET_RTX_CLASS (GET_CODE ()) == 'i'.
+	(large_insn_p): Ditto.
+	(m32r_is_insn): New function: Return true if the insn contains
+	an executable instruction.
+	(m32r_adjust_insn): Use m32r_is_insn.
+	(m32r_sched_reorder): Use m32r_is_insn.
+	(m32r_sched_variable_issue): Use m32r_is_insn.
+
+2000-05-16  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+	* rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
+	VAR_DECL.
+
+	* rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
+
+	* rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
+	according to given options.
+
+Tue May 16 12:17:31 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
+	if X has VOIDmode either.
+	(LIMIT_RELOAD_CLASS): Similarly.
+
+	* mn10200.md (indirect_jump, tablejump): Use "register_operand",
+	not "general_operand" to match the processor's capabilities.
+
+2000-05-16  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/README:  corrected return address
+	* fixinc/check.diff:  regenerate, now that test works
+	* fixinc/fixfixes.c(format_fix,format_write): reformatted
+	(char_macro_def_fix,char_macro_use_fix): corrected and
+	rewrote to use regex to parse the text
+	* fixinc/inclhack.def: more testing
+	* fixinc/fixincl.x:  regenerated
+
+	* fixinc/inclhack.def: added several "test_text" attributes
+	changed several fixes to use `c_fix = format'
+	re-alphabetized the fixes
+
+	* fixinc/check.diff: regenerate
+	* fixinc/fixincl.x: regenerate
+	* fixinc/check.tpl: added `sparc' and `netinet' to the list
+	of created dirs
+
+
+2000-05-16  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
+
+2000-05-15  Richard Henderson  <rth@cygnus.com>
+
+	* toplev.c (rest_of_compilation): Run full jump pass before
+	find_basic_blocks of flow2.
+
+2000-05-15  Richard Henderson  <rth@cygnus.com>
+
+	* jump.c: Fix typos and clarify commentary from last change.
+	(any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
+	(safe_to_remove_jump_p): Remove.
+	(condjump_label): Use pc_set.
+
+2000-05-15  Richard Henderson  <rth@cygnus.com>
+
+	* ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
+	that get in the way after reload.
+	(cond_exec_process_if_block): Skip a label heading THEN block.
+
+2000-05-15  Richard Henderson  <rth@cygnus.com>
+
+	* varasm.c (output_constant_pool): Abort instead of converting
+	(improperly) deleted labels to zero.
+
+2000-05-16  Neil Booth  <NeilB@earthling.net>
+
+	* cpplex.c (parse_string2): Update comment.
+	(cpp_lex_line): No special assertion treatment for '('.
+	* cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
+	* cpplib.h (SYNTAX_ASSERT): Remove.
+
+Mon May 15 21:45:36 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* jump.c (condjump_p):  Mark as depreached.
+	(any_condump_p): New.
+	(any_uncondump_p): New.
+	(pc_set): New.
+	(safe_to_remove_jump_p): New.
+	* rtl.h (any_condump_p, any_uncondjump_p, pc_set
+	safe_to_remove_jump_p): Declare.
+
+Mon May 15 21:07:20 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* calls.c: Re-install both patches reverted by last patch.
+	(struct arg_data): New field tail_call_reg.
+	(initialize_argument_information): Initialize tail_call_reg
+	(load_register_parameters): New argument flags, use
+	tail_call_reg when emiting tail call sequence.
+	(expand_call): Update call of load_register_parameters;
+	copy unadjusted_args_size to adjusted_args_size.
+
+Mon May 15 19:01:42 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
+	and bct_p parameters to flags.
+	* loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
+	* rtl.h (loop_optimize): Update prototype.
+	* toplev.c (rest_of_compilation): Update call of loop_optimize.
+
+2000-05-15  Jakub Jelinek  <jakub@redhat.com>
+
+	* calls.c (expand_call): Move expand_start_target_temps call after
+	start_sequence().
+
+2000-05-15  Neil Booth  <NeilB@earthling.net>
+
+	* cpphash.c (trad_stringify, warn_trad_stringify,
+	collect_params): Make some pointers pointers to const.
+	* cpplex.c (auto_expand_name_space) Guaranteed to always
+	expand by at least one character.
+	(SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
+	(struct token_spelling): Use const U_CHAR * rather than PTR.
+	(expand_name_space): Fix up token pointers if name space
+	is moved when expanding.
+	(INIT_NAME, cpp_scan_line, parse_name, parse_number,
+	parse_string2, save_comment, spell_token, cpp_output_list):
+	Update so the routines handle tokens with a direct pointer to
+	their text, rather than an offset into the token's list's namebuf.
+	(_cpp_lex_line): Rearrange for clarity.
+
+	* cpplib.c (_cpp_check_directive): Similarly.
+	(do_define): Make SYM a pointer to const.
+	* cpplib.h (struct cpp_name): Replace offset with direct pointer.
+	(CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
+	(TOK_OFFSET): Delete.
+	(TOK_NAME): Update.
+
+2000-05-14  Geoffrey Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
+	64-bit ABI.
+
+	* config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
+	into account.
+	(logical_u_operand): Delete.
+	(non_logical_cint_operand): Rewrite to take MODE into account.
+	(non_logical_u_cint_operand): Delete.
+	(boolean_operator): New function.
+	(print_operand): Add new %q operand.
+	* config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
+	remove logical_u_operand and non_logical_u_cint_operand,
+	update logical_operand and non_logical_cint_operand.
+	* config/rs6000/rs6000.md: Rewrite the patterns for performing
+	logical operations to use %q.
+
+	* config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
+	(movdi): Make similar to movsi.
+	* config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
+	is no such thing as a DImode CONST_DOUBLE.
+	* config/rs6000/rs6000.c (output_toc): Likewise.
+
+	* config/rs6000/rs6000.c (output_cbranch): Don't output prediction
+	codes when old mnemonics are in use.  Print register names
+	for cc registers when requested.
+
+	* optabs.c (expand_float): Don't allow mode widening that causes
+	double rounding.
+
+	* invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
+	flags to their current names -maix64 and -maix32.
+
+2000-05-14  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
+	and/or after current text of file
+	* fixinc/fixlib.c(must_malloc):
+	* fixinc/fixlib.h(must_malloc): + reformatting
+	* fixinc/inclhack.def: replace the "1i" and "$a" sed commands
+	with usages of ``c_fix = wrap;''
+	Add several tests and use the ``c_fix = format'' fixer more.
+	* fixinc/fixincl.x: regen
+	* fixinc/check.diff: regen
+	* fixinc/check.tpl: emit the associated header with the missing
+	test message
+
+Sun May 14 17:58:59 2000  Hans-Peter Nilsson  <hp@axis.com>
+
+	* mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
+	variables $src and $dst.
+
+2000-05-13  Gabriel Dos Reis <gdr@codesourcery.com>
+
+	* diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
+	(DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
+	(DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
+	(struct output_buffer: emitted_prefix_p, prefixing_rule): New
+	fields.
+	(set_message_prefixing_rule): Declare.
+
+	* diagnostic.c: (current_prefixing_rule): New variable.
+	(set_message_prefixing_rule): Define.
+	(output_set_prefix): Adjust buffer->emitted_prefix_p.
+	(init_output_buffer): Adjust Initialization.
+	(output_emit_prefix): Rewrite.  Take prefixing rules into account.
+
+Sat May 13 11:05:47 2000  Philippe De Muyter  <phdm@macqel.be>
+
+	* ifcvt.c (if_convert): Do not free NULL.
+
+2000-05-12  H.J. Lu  (hjl@gnu.org)
+
+	* gthr-dce.h: Add support for libobjc.
+	* gthr-posix.h: Likewise.
+	* gthr-solaris.h: Likewise.
+	* gthr-vxworks.h: Likewise.
+	* gthr-single.h: Likewise.
+	* gthr-win32.h: Likewise.
+
+2000-05-12  Nick Clifton  <nickc@cygnus.com>
+
+	* config/fr30/fr30.c (fr30_move_double): New function:  Emit code
+	to move a double word value.
+	(di_operand): New function: Return true if the operand is suitbale
+	for a double word move operation.
+	(nonimmediate_di_operand): New function: Return true if the
+	operand is a DImode register or MEM.
+
+	* config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
+	nonimmediate_di_operand.
+
+	* config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
+	nonimmediate_di_operand.
+
+	* config/fr30/fr30.md (movdi): New pattern.  Required because
+	other patterns generate DImode results.
+	(movdi_insn): New pattern.
+
+2000-05-12  Richard Henderson  <rth@cygnus.com>
+
+	* config/alpha/alpha.c (struct shadow_summary): Define
+	bitfields as type unsigned int.
+
+Sat May 13 00:09:59 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* config/avr/t-avr: Added definition of FLOAT while generates
+	fp-bit.c
+
+	* config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
+	peepholes for tst+jump = sbrs/sbrc optimization.
+
+Fry May 12 20:03:00 CEST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* expr.c (emit_push_insn): Do not adjust stack pointer when
+	preallocating.
+
+Fri May 12 19:03:58 2000  Philippe De Muyter  <phdm@macqel.be>
+
+	* ggc-simple.c (offsetof): Macro fallback definition moved from here ..
+	* system.h (offsetof): ... to here.
+
+2000-05-12  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (final.o): Depend on BASIC_BLOCK_H.
+	* final.c (final_end_function): Use app_disable.  Rearrange note
+	handling into a switch.  Emit deleted labels.
+	(output_asm_label): Generate label strings for deleted labels.
+	* flow.c (tail_recursion_label_list): New.
+	(find_basic_blocks_1): Set label_value_list directly.  Collect list
+	of tail recursion labels from call_placeholders.  Don't add deleted
+	labels to the label value list.
+	(cleanup_cfg): Use free_EXPR_LIST_list.
+	(flow_delete_insn_chain): Turn non-removable labels into notes.
+	(flow_delete_block): Don't disable deleting the block because of
+	a non-removable label.
+	(tail_recursion_label_p): New.
+	(merge_blocks_move_predecessor_nojumps): Don't disable the merge
+	because of a label.
+	(merge_blocks_move_successor_nojumps): Likewise.  Also move a
+	jump table.
+	(merge_blocks): Disable a merge because of tail recursion labels.
+	* ifcvt.c (merge_if_block): Don't disable a merge because of a label.
+	Use a more accurate measure of not merging the join block.
+	(find_if_block): Don't disable conversion because of a label.
+	(find_if_case_1, find_if_case_2): Likewise.
+	* jump.c (duplicate_loop_exit_test): Preserve the kind of list
+	element when copying.
+	(squeeze_notes): Also leave EH notes.
+	(mark_jump_label): Ignore deleted labels.  Use an INSN_LIST for
+	REG_LABEL notes.
+	(delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
+	deleting a label.
+	* print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
+	NOTE_INSN_DELETED_LABEL.  Print `[# deleted]' for a label_ref
+	referring to a deleted label.  Convert tail handling to a switch.
+	* rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
+	for NOTE_INSN_DELETED_LABEL.
+	(NOTE): Fix commentary.
+	* rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
+	(REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
+	(CODE_LABEL_NUMBER, LABEL_NAME): Update index.
+	(LABEL_NUSES, LABEL_REFS): Likewise.
+	* unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
+
+2000-05-12  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/fixfixes.c(format_write): buglet & relaxed rules
+	* fixinc/check.diff: updated
+	* fixinc/inclhack.def: corrected & added some test_text-s
+	* fixinc/genfixes: removed unneeded options to autogen invocation
+	* fixinc/fixincl.tpl: Specified the output file
+	* fixinc/fixfixes.c: visual appearance
+	* fixinc/fixincl.x: regenerate
+
+2000-05-12  Zack Weinberg <zack@wolery.cumb.org>
+
+	* fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
+	CTRL_defn_fix): Delete.
+	(fix_char_macro_defines, fix_char_macro_uses): Rename to
+	char_macro_def_fix and char_macro_use_fix, respectively.  Put
+	them into the FIXUP_TABLE.  Get the string to search for from
+	a c_fix_arg.
+
+	(format_write): New function.
+	(format_fix): Use it.
+
+	(FIX_PROC_HEAD): Constify text parameter.
+	(machine_name_fix): Constify all char *s.
+	* fixtests.c (skip_quote): Remove double static.
+
+	* inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
+	ctrl_use_quotes): Update for new scheme.
+	* fixincl.x: Regenerate.
+
+2000-05-12  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
+	DWARF2_DEBUG.
+	(DWARF2_ASM_LINE_DEBUG_INFO): Define.
+	(ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
+
+2000-05-11  Robert Lipe <robertlipe@usa.net>
+
+	* fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
+	* fixincl.x: Regenerate.
+
+2000-05-11  Richard Henderson  <rth@cygnus.com>
+
+	* calls.c: Revert both 05-09 patches.
+
+2000-05-11  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.c (print_operand): Print FP constants in
+	hexadecimal.
+	* config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
+	for FP values.
+
+	* mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
+	and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
+
+2000-05-11  Jason Merrill  <jason@casey.cygnus.com>
+
+	* fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
+
+2000-05-11  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
+
+Thu May 11 22:28:05 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
+	* config/avr/avr.c (jump_over_one_insn_p): New function.
+	* config/avr/avr.md: New peepholes added. Output test and
+	conditional jump to "sbrc" or "sbrs" command.
+
+2000-05-11  Mark Elbrecht  <snowball3@bigfoot.com>
+
+	* cppmain.c (main): Use IS_DIR_SEPARATOR.
+
+2000-05-11  Jakub Jelinek  <jakub@redhat.com>
+
+	* except.c (find_exception_handler_labels_1): New function.
+	(find_exception_handler_labels): Split into two functions, dive
+	into CALL_PLACEHOLDERs when looking for exception handler labels.
+
+2000-05-11 Stan Cox <scox@cygnus.com>
+
+	* regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
+	* timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
+	* toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
+
+2000-05-11  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/fixfixes.c (double_slash_fix):  obsolete
+	(else_endif_label_fix): obsolete
+	(format_fix):  new, unused as yet
+	(main): obsolete
+	* fixinc/fixlib.h: added fix description struct for use by format_fix
+	* fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
+	* fixinc/Makefile.in:  compile fixfixes.c and fixtests.c as separate
+	modules.  Removed the vestiges of the script version.
+	Added support for "make check".
+	* fixinc/check.diff: base diff file (needs work!!)
+	* fixinc/check.tpl: quiet the fixup output
+	* fixinc/fixtests.c (main): obsolete
+	* fixinc/fixincl.sh:  don't bother copying fixincl to ..
+	* fixinc/fixincl.tpl:  provide for arguments to c_fix routines
+
+Thu May 11 11:57:02 MET DST 2000  Jan Hubicka <jh@suse.cz>
+
+	* toplev.c (rest_of_compilation): Remove dead code after
+	combine.
+
+2000-05-11  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (collect_funlike_expansion): Make "# is not
+	followed by a macro argument name" a pedwarn, not an error.
+	Preserve the # in the output.  Suppress the warning if lang_asm.
+
+Thu May 11 01:19:31 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
+	* configure: Rebuilt.
+
+2000-05-10 Laurynas Biveinis <lauras@softhome.net>
+
+	* i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
+
+2000-05-10  Kazu Hirata  <kazu@hxi.com>
+
+	* combine.c (try_combine): Fix a typo.
+
+Wed May 10 21:31:44 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.md (insv): Add comment.
+
+2000-05-10  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
+	* mklibgcc.in: Rewrite to not use functions.  Don't shortcut
+	dependancies on FPBIT and DPBIT.
+
+2000-05-10  Nick Clifton  <nickc@redhat.com>
+
+	* flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
+	when optimising for size.
+	(mark_used_regs:) Ditto.
+	(try_pre_increment_1): Ditto.
+
+2000-05-10  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
+	Make error message friendlier.
+
+	* cpphash.h (struct hashnode): Use struct hack for name
+	member.
+	* cpphash.c (struct hashdummy): New.
+	(eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
+	(make_HASHNODE): No need to set ->name pointer.  Correct
+	setting of p.
+	(cpp_lookup): Make 'dummy' a struct hashdummy.  Tidy up a bit.
+
+2000-05-10  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (find_basic_blocks_1): Remove any spare bb_note
+	after completion.
+
+2000-05-10  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/gnu-regex.c:  reg_syntax_t re_syntax_options must be static
+
+2000-05-10  Eric Schweitz  <schweitz@nortelnetworks.com>
+
+	* dwarfout.c (dwarfout_finish): Call retry_incomplete_types
+	after we enter .debug.
+
+2000-05-10  Jason Merrill  <jason@casey.cygnus.com>
+
+	* dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
+	abstract instance of a nested inline function.
+
+	* stor-layout.c (finish_record_layout): finalize_type_size
+	before laying out the pending_statics.
+
+Wed 10 May 09:36:47 2000  Neil Booth  <NeilB@earthling.net>
+
+	* cpplex.c (spell_token): New function.
+	(spell_string, spell_comment, spell_name): fold into
+	spell_token.
+	(I, S): Add macros.
+	(E, H): Remove macros.
+	(save_comment): Save comment opening characters too.
+	(_cpp_lex_file): Update to use spell_token.  Tidy up comment
+	handling.
+	* cpplib.h (I, S): Add macros.
+	(E, H): Remove macros.
+	(TTYPE_TABLE): Update entries for new speller.
+	(SYNTAX_ASSERT): Remove.
+
+Wed 10 May 09:08:30 2000  Neil Booth  <NeilB@earthling.net>
+
+	* cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
+	when removing escaped newlines.  Reverse sense of test for
+	escaped newline.
+
+2000-05-09  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (find_basic_blocks_1): Do not delete the first
+	bb_note we run across.
+	(create_basic_block): Use reorder_insns to move an existing
+	bb_note to the correct place.
+
+2000-05-09  Richard Henderson  <rth@cygnus.com>
+
+	* calls.c (expand_call): Increment currently_expanding_call
+	before calling optimize_tail_recursion.
+
+Tue May  9 18:54:16 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* reload1.c (reload_combine): Fix errors in last change.
+
+2000-05-09  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* gcc.c (used_arg): Skip over a semicolon at the end of the
+	split-up loop; don't break out of it.
+
+	* Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
+	(tree.o): Depend on output.h.
+
+	* c-decl.c (pending_invalid_xref_file,
+	current_function_prototype_file): Constify.
+	(pushdecl): Constify a local char *.
+	(define_label): Constify filename parameter.
+	* c-lex.c (init_parse): Constify parameter and return value.
+	* c-typeck.c (c_expand_asm_operands): Constify filename parameter.
+	* c-tree.h: Update prototypes.
+	* c-parse.in: Constify filename member of %union, and if_stmt_file.
+	* c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
+	objc/objc-parse.c: Regenerate.
+
+	* dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
+	* dwarfout.h: Update prototypes.
+	* expr.c (expand_expr): Constify a local char *.
+	* flags.h: Constify main_input_filename.
+	* function.c (expand_function_end): Constify filename parameter.
+	* genrecog.c (make_insn_sequence): Use a character array for
+	c_test_pos.
+	(main): Remove unused variables.
+	* input.h: Constify input_filename, main_input_filename, and
+	file_stack.name.  Update prototypes.
+	* output.h: Declare first_global_object_name and
+	weak_global_object_name here, as const char *.
+	* stmt.c (expand_asm_operands): Constify filename parameter.
+	* toplev.c (compile_file, push_srcloc, debug_start_source_file):
+	Constify filename parameter.
+	(input_filename, main_input_filename): Constify.
+	* toplev.h: Update prototypes.
+	* tree.c: Include output.h.  Don't declare
+	first_global_object_name or weak_global_object_name.  Clean up string
+	bashing in get_file_function_name_long.
+	* tree.h (struct tree_decl): Constify filename member.
+	(input_filename): Constify.
+	Update prototypes.
+	* varasm.c (first_global_object_name, weak_global_object_name):
+	Constify.
+	(assemble_start_function, assemble_variable): Clean up string bashing.
+
+	* gcc.c: Constify all spec-related strings initialized,
+	transitively, from string constants.  Constify all strings
+	and string variables related to multilibs.
+	(set_spec, read_specs): Cast argument to free to PTR.
+	(used_arg): Do not modify multilib_matches.  Use strncmp plus
+	length comparison to compare multilib switches.
+	* genmultilib: Constify everything declared in multilib.h.
+
+Tue May  9 22:28:03 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
+	as deleted.
+
+Tue May  9 20:52:43 2000  Denis Chertykov  <denisc@overta.ru>
+
+ 	* config/avr/avr-protos.h (extra_constraint): change a type of
+	second argument from char to int to avoid warnings.
+	(asm_output_byte): Likewise.
+
+	* config/avr/avr.c (MAX_LD_OFFSET) New macro.
+	(initial_elimination_offset): Handle elimination from
+	FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
+	(legitimate_address_p): Use MAX_LD_OFFSET.
+	(legitimize_address): Likewise.
+	(out_movqi_r_mr): Likewise.
+	(out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
+	(out_movsi_r_mr): Use MAX_LD_OFFSET.
+	(out_movsi_mr_r): Likewise.
+	(out_movqi_mr_r): Likewise.
+	(out_movhi_mr_r): Likewise.
+	(notice_update_cc): Correct CC for the ashrqi3 with the shift
+	count as CONST_INT != 6.
+	(ashlqi3_out): Coding style modifications. Run `fatal_insn' if
+	shift count is a CONSTANT_P, but not a CONST_INT.
+	(ashlhi3_out): Coding style modifications.
+	(ashlsi3_out): Likewise.
+	(ashrhi3_out): Likewise.
+	(ashrsi3_out): Likewise.
+	(lshrhi3_out): Likewise.
+	(lshrsi3_out): Likewise.
+	(ashrqi3_out): Generate shift for any known constant count without
+	scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
+	but not a CONST_INT.
+	(lshrqi3_out): Coding style modifications. Run `fatal_insn' if
+	shift count is a CONSTANT_P, but not a CONST_INT.
+	(extra_constraint): change a type of
+	second argument from char to int to avoid warnings.
+	(asm_output_byte): Likewise.
+	(asm_file_end): Output size generated commands count as a hex
+	number too.
+
+	* config/avr/avr.h (RETURN_ADDR_RTX): New macro.
+
+	* config/avr/avr.md (addhi3): Fragment commented by &&0 is
+	removed.
+	(ashlqi3): Values of "length" attribute changed. Shift count
+	uses constraints 'n' instead of 'i'.
+	(ashrqi3): Likewise. Values of "cc" attribute changed. Generate
+	shifts without clobber register.
+	(lshrqi3): Shift count uses constraints 'n' instead of 'i'.
+	(call_insn): Correct test for which_alternative == 1 (was 0).
+	(call_value_insn): Likewise.
+
+	* config/avr/t-avr: Remove definition of FLOAT while generates
+	fp-bit.c
+
+2000-05-09  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/check.tpl:  Template for checking fixes
+	* fixinc/inclhack.def:  Added 'test_text' for many fixes
+	disable hpux8_bogus_inlines on SCO
+	* fixinc/fixinc.sco:  Oh, yes, we don't need this any more.
+
+Tue May  9 16:30:27 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* calls.c (expand_call): Reorganize somewhat in order
+	to avoid unnecesary recalculation inside loop and make
+	tail call failure code cleaner.
+
+Tue May  9 06:30:20 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* alias.c (nonlocal_reference_p): Minor reformatting.
+	* reload.c (find_equiv_reg): Simplify logic for
+	CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
+	some some reformatting.
+	* reload1.c (reload_combine): Don't assume everything in
+	CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
+
+2000-05-08  Richard Henderson  <rth@cygnus.com>
+
+	* final.c (current_insn_predicate): New.
+	(final_scan_insn): Set it.
+	* output.h (current_insn_predicate): Declare.
+
+	* ifcvt.c (cond_exec_process_insns): New argument prob_val.
+	Attach it to call insns.
+	(cond_exec_process_if_block): Track probability for true and
+	false branches.
+	(dead_or_predicable): Likewise.
+
+	* predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
+	(PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
+	(PROB_VERY_LIKELY, PROB_ALWAYS): New.
+	(estimate_probability, expected_value_to_br_prob): Use them.
+
+	* config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
+	* config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
+	(ia64_expand_prediction): New.
+	(emit_insn_group_barriers): Don't look at notes.  Emit barriers
+	as needed after calls.
+	(ia64_epilogue_uses): Mark b0 used.
+	* config/ia64/ia64.md (beq_true, beq_false): Remove.
+	(bne_true, bne_false): Remove.
+	(eq_return, eq_not_return, ne_return, ne_not_return): Remove.
+	(br_true, br_false): New.  Use predicate_operator and
+	ia64_expand_prediction.
+	(return_true, return_false): Likewise.
+	(call_internal): Use ia64_expand_prediction.  Don't emit stop bit.
+	(call_internal1, call_value_internal): Likewise.
+	(call_value_internal1, call_multiple_values_internal1): Likewise.
+
+	* config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
+
+	* config/ia64/ia64.md (extendsfdf2): Split only after reload.
+
+2000-05-08  Richard Henderson  <rth@cygnus.com>
+
+	* rtlanal.c (may_trap_p): Consider old-style and volatile
+	asms to trap.
+
+Mon May  8 17:16:48 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
+
+2000-05-08  Richard Henderson  <rth@cygnus.com>
+
+	* config/ia64/ia64.h (predicate_operator): Declare.
+
+	* config/ia64/ia64.md (extendsfdf2): Split the nop case out
+	of existance.
+
+	* gensupport.c (process_rtx): Copy and post-process each member
+	of the define_insn rtvec individually.
+
+Mon  8 May 22:17:35 2000  Neil Booth  <NeilB@earthling.net>
+
+	* cpplex.c (spell_token): New function.
+	(TOKEN_LEN): Add 1 for whitespace.
+	(_cpp_lex_file): Update to use spell_token.
+	* cpplib.h (E): Remove.
+	(TTYPE_TABLE): Update CPP_VSPACE entry.
+
+2000-05-08  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (init_propagate_block_info): Watch out for conditional
+	branch to next instruction, and thus one outgoing edge.
+
+	* config/ia64/ia64.c (ia64_encode_section_info): Exit early
+	for global register variables; don't special case __[CD]TOR_LIST__;
+	mind ggc_p for string allocation.
+
+2000-05-08  Nick Clifton  <nickc@cygnus.com>
+
+	* config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
+
+2000-05-08  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/mkfixinc.sh:  fixinc.sco is no longer used
+	i?86-*-msdosdjgpp* no longer uses fixincludes
+	* fixinc/genfixes:  inclhack.sh and fixincl.sh are no longer generated
+	* fixinc/inclhack.sh:  deleted
+	* fixinc/hackshell.tpl:  deleted
+	* fixinc/inclhack.tpl:  deleted
+	* fixinc/Makefile.in:  Remove dependencies on above
+	* fixinc/fixincl.sh:  "DO NOT EDIT" text modified
+
+2000-05-08  Andreas Jaeger  <aj@suse.de>
+
+	* config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
+	support.
+
+2000-05-07  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
+	substitutions.
+
+Sun  7 May 08:43:53 2000  Neil Booth  <NeilB@earthling.net>
+
+	* cpplex.c: Move new lexer definitions and prototypes
+	to top.  Conditional include these and the code if
+	NEW_LEXER is defined.  Rename functions whose names
+	clash if this code included.
+
+Sun May  7 00:54:57 EDT 2000  John Wehle  (john@feith.com)
+
+	* rtl.def (COND_EXEC): Clarify.
+
+	* i386.md (extendsidi2): Clobber (reg:CC 17) in the
+	same fashion as zero_extendsidi2.
+
+2000-05-06  Richard Henderson  <rth@cygnus.com>
+
+	* config/ia64/ia64.c (predicate_operator): New.
+	(ia64_print_operand): Handle 'J'.
+	(rtx_needs_barrier): Handle COND_EXEC.
+	* config/ia64/ia64.h (BRANCH_COST): Define.
+	(PREDICATE_CODES): Update.
+	* config/ia64/ia64.md: Docuement used unspec values.
+	(attr predicable): New.
+	(movxf, movxf_internal): New.
+	(extendsfdf2): Don't comment out nop.
+	(floatdidf2): Remove.
+	(truncxfsf2, truncxfdf2, floatdixf2): New.
+	(abssi2, absdi2): Put the neg in the "true" slot.
+	(conditional branch instructions): Mark not predicable.
+	(cmov*_internal): Use predicate_operator.  Split to cond_exec.
+	(abs*_internal): Likewise.
+	(alloc, set_bsp): Mark not predicable.
+	(barrier, insn_group_barrier, flush_cache): Likewise.
+	(define_cond_exec): New.
+
+2000-05-06  Richard Henderson  <rth@cygnus.com>
+
+	* c-decl.c: Include "tm_p.h".
+
+	* config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
+	(fetchadd_operand, ia64_expand_fetch_and_op): Declare.
+	(ia64_expand_op_and_fetch): Declare.
+	* config/ia64/ia64.c: Include "toplev.h".  Kill trailing whitespace.
+	(setjmp_operand): Constify variables for XSTR.
+	(ia64_encode_section_info): Likewise.
+	(ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
+	values to int.
+	(ia64_asm_output_external): Constify name.
+	(process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
+	(process_for_unwind_directive): Provide switch default.
+	(ia64_expand_compare_and_swap): Remove unused variables.
+	(ia64_expand_builtin): Likewise.
+	* config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
+	for printing.
+
+	* config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
+	(symbolic_operand, function_operand, setjmp_operand): Likewise.
+	(shift_count_operand, shift_32bit_count_operand): Likewise.
+	(shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
+	(ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
+	(ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
+	(ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
+	(ia64_expand_builtin): Likewise.
+	(call_multiple_values_operation): Make dest_regno unsigned.
+
+2000-05-06  Richard Henderson  <rth@cygnus.com>
+
+	* rtl.def (DEFINE_COND_EXEC): New.
+	* md.texi: Document it.
+
+	* gensupport.c (input_file): Remove.
+	(struct queue_elem): Add lineno.
+	(rtx_ready_queue): Remove.
+	(errors): New.
+	(predicable_default): New.
+	(predicable_true, predicable_false): New.
+	(define_attr_queue, define_attr_tail): New.
+	(define_insn_queue, define_insn_tail): New.
+	(define_cond_exec_queue, define_cond_exec_tail): New.
+	(other_queue, other_tail): New.
+	(queue_pattern): New.
+	(process_rtx): Add patterns to the appropriate queues.
+	(is_predicable, identify_predicable_attribute): New.
+	(n_alternatives, collect_insn_data): New.
+	(alter_predicate_for_insn, alter_test_for_insn): New.
+	(shift_output_template, alter_output_for_insn): New.
+	(process_one_cond_exec, process_define_cond_exec): New.
+	(init_md_reader): Read the entire file.  Process define_cond_exec.
+	(read_md_rtx): Return elements from the queues.
+
+2000-05-06  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (mark_set_1): Don't update conditional life info
+	if the register is not_dead.
+
+2000-05-06  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
+	(mostlyclean): Also delete fixincl, fixinc.sh, and
+	specs.ready, and make clean in the fixinc subdir.
+
+2000-05-06  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (gensupport.o): Compile for the host.
+	(host-prefix gensuuprt.o): Remove.
+	(genflags.o): Depend on gensupport.h and OBSTACK_H.
+	(genattrtab.o): Likewise.
+	(gencodes.o): Depend on gensupport.h.
+	(genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
+	(genpeep.o, genattr.o, genoutput.o): Likewise.
+
+	* gensupport.c (obstack, rtl_obstack): New.
+	(init_md_reader): Initialize rtl_obstack.
+	* gensupport.h (rtl_obstack): Declare.
+	(message_with_line): Declare.
+
+	* genattr.c: Remove all traces of obstack manipulation.
+	* gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
+	* genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
+
+	* genattrtab.c (obstack, rtl_obstack): Remove.
+	(main): Don't init rtl_obstack.
+	* genflags.c: Likewise.
+
+	* genrecog.c (message_with_line): Move ...
+	* gensupport.c: ... here.
+
+2000-05-06  Richard Henderson  <rth@cygnus.com>
+
+	* c-typeck.c (build_c_cast): Remove dead code.
+
+2000-05-06  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (split_edge): Don't allocate global_live_at_start for
+	the new block unless the old blocks had them as well.
+
+	* flow.c (mark_set_1): Respect not_dead when updating reg_live.
+
+	* ifcvt.c (noce_process_if_block): Don't use an insn_b from
+	test_bb if a or b uses x.
+
+2000-05-06  Zack Weinberg  <zack@wolery.cumb.org>
+
+ 	* cpphash.h: Remove conditional #define of __extension__.
+ 	* rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
+ 	RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
+ 	(ENABLE_RTL_CHECKING only).
+ 	* tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
+ 	CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
+ 	(ENABLE_TREE_CHECKING only).
+ 	* varray.h: Add __extension__ to VARRAY_CHECK macro
+ 	(ENABLE_CHECKING only).
+
+2000-05-06  Richard Earnshaw (reanrsha@arm.com)
+
+	Use new tail-calling mechanism on ARM.
+	* arm.md (sibcall, sibcall_value): New expands.
+	(sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
+	(tailcalling peepholes): Delete.
+	(push_multi): Simplify.
+	* arm.c (lr_save_eliminated): Delete definition.
+	(pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
+	(output_return_instruction): Remove checks on lr_save_eliminated.
+	(output_arm_prologue): Remove old tail-calling code.
+	(arm_output_epilogue): New parameter, really_return.  All callers
+	changed.  Handle tail-calling epilogues.
+	* arm.h (lr_save_eliminated): Delete declaration.
+	(frame_pointer_needed): Delete declaration.
+	* arm-protos.h (arm_output_epilogue): Adjust prototype.
+
+	* arm.md (is_thumb): Examine symbol thumb_code, not expression
+	TARGET_ARM.
+	* arm.c (thumb_code): Define it.
+	(arm_override_options): Set it.
+	* arm.h (thumb_code): Declare it.
+
+2000-05-06  Richard Earnshaw (reanrsha@arm.com)
+
+	* arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
+
+2000-05-06  Richard Earnshaw (reanrsha@arm.com)
+
+	* arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
+	bogus clobber to insns.
+	(load_multiple_operation, store_mulitple_operation): Don't check
+	for it.
+	* arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
+
+	* arm.md (and_scc, ior_scc): Add missing mode.
+
+	* arm.md (call_value_symbol): Remove predicate from op2.
+
+	* arm.h (SPECIAL_MODE_PREDICATES): Define.
+
+Sat May  6 06:25:56 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* expr.c (get_subtarget): New function.
+	(force_operand, expand_expr, do_store_flag): Use it.
+
+	* toplev.c (compile_file): Don't take strlen of NAME if null.
+
+2000-05-06  David Edelsohn  <edelsohn@gnu.org>
+
+	* xcoffout.c (xcoff_current_include_file,
+	xcoff_current_function_file, xcoff_lastfile): Constify char *.
+	(xcoffout_source_file, xcoffout_source_line): Make filename 'const
+	char *'.
+	(xcoffout_declare_function): Make name 'const char *'.
+	(xcoffout_end_epilogue): Make fname 'const char *'
+	* xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
+	xcoffout_declare_function, xcoffout_source_line): Match above.
+
+	* aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
+	-maix64	is error.
+	* rs6000.c (print_operand): Fix lossage typo.
+	(output_cbranch): Remove "cr" decoration for now.
+	* rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
+
+Sat May  6 06:55:32 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
+	constant count.
+
+2000-05-05  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/genfixes: Improve the matching for make target names
+
+2000-05-05  Catherine Moore  <clm@cygnus.com>
+
+	* c-common.c (decl_attributes):  For TYPE_DECLs attach the
+	attribute to the decl.
+	* c-decl.c (pushdecl): Propagate the USED attribute to the
+	type copy.
+
+2000-05-05  Richard Henderson  <rth@cygnus.com>
+
+	* rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
+	same way emit_group_load does.
+
+2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
+
+	* gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
+
+	* toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
+	(main): Likewise.
+
+2000-05-05 Rodney Brown	<RodneyBrown@mynd.com>
+
+	* pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
+
+Fri May  5 10:29:21 2000  Marc Espie <espie@cvs.openbsd.org>
+
+	* config/openbsd.h (LINK_SPEC): pass correct flags to ld
+	to support -shared, on platforms with dynamic libraries.
+
+Fri May  5 10:27:06 2000  Philippe De Muyter  <phdm@macqel.be>
+
+	* system.h (S_ISBLK): Provide fallback definition.
+
+2000-05-05  Geoff Berry  <geoffb@bops.com>
+
+	* extend.texi (Extended Asm): Document inability to give asm
+	statements access to condition codes.
+
+2000-05-05  Marek Michalkiewicz  <marekm@linux.org.pl>
+
+	* varasm.c (asm_emit_uninitialised): Use 0, not NULL
+	as arg 2 of UNIQUE_SECTION.
+
+Fri May  5 10:11:41 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* predict.c: Remove May 4 change.
+	* bb-reorder.c (make_reorder_chain): Do not perform block movement
+	if we have predicted the branch at 50-50 probability.
+
+2000-05-05  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (init_propagate_block_info): Fix merge error
+	in HAVE_conditional_execution code.
+
+Fri May  5 07:43:50 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
+	shift cycle for unknown shift count. Also generates dec + brpl.
+	(ashlqi3_out): Don't generate dec + brpl which now generates by
+	`out_shift_with_cnt'.
+	(ashlhi3_out): Likewise.
+	(ashlsi3_out): Likewise.
+	(ashrqi3_out): Likewise.
+	(ashrhi3_out): Likewise.
+	(ashrsi3_out): Likewise.
+	(lshrqi3_out): Likewise.
+	(lshrhi3_out): Likewise.
+	(lshrsi3_out): Likewise.
+
+2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
+
+	* gcc.c (free_split_directories): Correct typo in explanation
+	of make_relative_prefix.
+
+2000-05-04  Geoff Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
+	comparison codes to branch_comparison_operator.
+
+2000-05-04  Richard Henderson  <rth@cygnus.com>
+
+	* ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
+
+2000-05-04  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
+	(DPBIT_FUNCS): Remove _sf_to_usi.
+	(stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
+
+	* ifcvt.c (noce_process_if_block): Fail if A or B modified
+	between condition and jump.
+
+	* libgcc2.c (near eh_context_specific): Comment #endif string.
+	* longlong.h: Don't use strings with embedded newlines.
+
+2000-05-04  Geoff Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/rs6000-protos.h: Add output_cbranch.
+	* config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
+	(print_operand): Delete %t and %T codes.
+	(output_cbranch): New function.  Support branch prediction.
+	* config/rs6000/rs6000.md: Use output_cbranch for
+	conditional branches and returns.
+
+2000-05-04  Jason Merrill  <jason@casey.cygnus.com>
+
+	* simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
+	* stor-layout.c (place_field): Likewise.
+	* integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
+	* expr.c (store_expr): Make align unsigned.
+	* explow.c (plus_constant_wide): Make low words unsigned.
+	* expmed.c (choose_multiplier): Likewise.
+	* fold-const.c (fold):  Likewise.
+	* tree.h (build_int_2): Likewise.
+	* tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
+	* emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
+	(init_emit): Change cast to unsigned char*.
+	* varasm.c (compare_constant_1): Add cast to char*.
+	* gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
+	* reload1.c (reload): Likewise.
+
+	* rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
+
+Thu May  4 14:37:23 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* predict.c (estimate_probability): If no prediction was found, then
+	predict the successor that is the next physical block (if such a
+	successor exists).
+
+2000-05-04  Richard Henderson  <rth@cygnus.com>
+
+	* config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
+
+2000-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
+
+2000-05-04  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
+	attribute macros from here ...
+	(CPP_SPEC): to here.
+	* i386/mingw32.h (CPP_PREDEFINES): Likewise.
+	(CPP_SPEC): Likewise.
+	* i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
+
+	* Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
+	(libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
+
+2000-05-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
+
+	* diagnostic (vbuild_message_string, build_message_string,
+	build_location_prefix, output_get_prefix, init_output_buffer,
+	output_notice, vline_wrapper_message_with_location,
+	v_message_with_decl, default_print_error_function): De-constify.
+	(set_real_maximum_length): Prototype.
+
+	* diagnostic.h (struct output_buffer, init_output_buffer,
+	output_get_prefix, output_set_prefix): De-constify.
+
+	* function.c (init_function_start): Constify.
+
+	* gensupport.c (remove_constraints, process_rtx): Prototype.
+
+	* gthr-posix.h: Indent uses of #pragma.
+
+	* objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
+	Prototype.
+
+	* predict.c (find_expected_value): Delete prototype.
+	(expected_value_to_br_prob): Initialize variable `ev_reg'.
+
+	* sbitmap.h (debug_sbitmap): Prototype.
+
+	* ssa.c (compute_coalesced_reg_partition): Prototype.
+
+	* stor-layout.c (debug_rli): Prototype.
+
+	* tree.h (round_down): Prototype.
+	(init_function_start): Constify.
+
+2000-05-04  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.h: #define __extension__ away if GCC_VERSION < 2095
+	(overly conservative).  Change extern inline wrappers to
+	static inline, define them always, use PARAMS properly.
+	* cpplex.c (_cpp_get_directive_token): Don't issue pedantic
+	whitespace warnings for \f and \v at the beginning of a line.
+
+Thu May  4 10:03:50 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* haifa-sched.c (schedule_insns): Free the flow edge list when it
+	is no longer needed
+
+2000-05-04  Bruce Korb  <bkorb@gnu.org>
+
+	* fixincl/inclhack.def: added broken_cabs -
+	Remove `extern double cabs' declarations from math.h
+	* fixincl/inclhack.sh: regen
+	* fixincl/fixincl.x: regen
+	* fixincl/fixincl.c: Remove BOGOSITY code
+	* fixincl/mkfixinc.sh: Remove code for installing "shell" version
+
+Thu May  4 09:45:12 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
+	MEM_ALIAS_SET.
+	* alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
+	when calling MEM_COPY_ATTRIBUTES.
+	* emit-rtl.c (operand_subword, change_address): Likewise.
+	* explow.c (stabilize): Likewise.
+	* expr.c (protect_from_queue, emit_move_insn_1): Likewise.
+	* integrate.c (copy_rtx_and_substitute): Likewise.
+	* combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
+	when calling MEM_COPY_ATTRIBUTES.
+	(make_extraction, simplify_shift_const, gen_lowpart_for_combine):
+	Likewise.
+	* cse.c (gen_lowpart_if_possible): Likewise.
+	* function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
+	* optabs.c (gen_move_insn): Likewise.
+	* recog.c (validate_replace_rtx_1): Likewise.
+	* simplify-rtx.c (add_mem_for_addr): Likewise.
+	* stmt.c (expand_anon_union_decl): Likewise.
+	* config/arm/arm.md: Likewise.
+	* config/h8300/h7300.c (fix_bit_operand): Likewise.
+	* config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
+	(block_move_no_loop, block_move_sequence): Likewise.
+	* config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
+	* config/alpha/alpha.c (get_aligned_mem): Likewise.
+	Clear MEM_ALIAS_SET.
+	* final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
+	MEM_COPY_ATTRIBUTES.
+
+2000-05-03  Robert Lipe <robertlipe@usa.net>
+
+	* configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
+	to suppress libgcc1.
+	(i[34567]86-*-sco3.2v5*) Likewise.
+	(i[34567]86-*-sco3.2v4*) Likewise.
+	(i[34567]86-*-sco) Likewise.
+	(i[34567]86-*-solaris2) Likewise.
+	(i[34567]86-*-sysv5*) Likewise.
+	(i[34567]86-*-sysv4*) Likewise.
+	(i[34567]86-*-udk*) Likewise.
+	(i[34567]86-*-sysv*) Likewise.
+
+2000-05-03  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.h (U): New define, to correct type of string constants.
+	(ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
+	routines, to do casts when passing unsigned strings to libc.
+	* cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
+
+	* cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
+	* cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
+	* cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
+	* cpplex.c (parse_ifdef, parse_include, validate_else): Make
+	second argument an U_CHAR *.
+
+	* cppinit.c (builtin_array): Make name and value U_CHAR *, add
+	length field, clean up initializer.
+	(ISTABLE): Add __extension__ to designated-
+	initializers version.
+	* cpplex.c (CHARTAB): Likewise.
+
+	* mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
+	case so the file won't be empty.
+
+Wed May  3 21:01:46 2000  Jason Eckhardt  <jle@cygnus.com>
+
+	* bb-reorder.c (struct reorder_block_def): Member succ removed.
+	(REORDER_BLOCK_SUCC): Removed.
+	(enum reorder_skip_type): Removed.
+	(skip_insns_between_block): Renamed to skip_insns_after_block.
+	Removed second argument. Removed dead code and cleaned up.
+	(make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
+	(reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
+	second parameter to skip_insns_after_block.
+
+Wed May  3 13:29:54 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* tree.c (staticp, case LABEL_DECL): New case.
+
+2000-05-03  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (start.encap): Do not depend on LIBGCC1.
+
+	* mklibgcc1.in: Fix typo last change.
+
+2000-05-03  Jason Merrill  <jason@casey.cygnus.com>
+
+	* Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
+	(LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
+	(GCC_CFLAGS): Use it.
+	(LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
+	* cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
+	objc/Make-lang.in: Use it.
+
+2000-05-03  Jason R Thorpe  <thorpej@zembu.com>
+
+	* config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
+
+2000-05-03  Richard Henderson  <rth@cygnus.com>
+
+	* mklibgcc.in: Restrict OLDCC=GCC test to native.  Equate
+	LIBGCC1 empty with libgcc1.null.
+
+Wed May  3 12:55:46 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
+	change.
+
+2000-05-03  Greg McGary  <gkm@gnu.org>
+
+	* tree.h (tree_common): Add bounded_flag member.  Remove
+	inaccurate comment about number of remaining bits.
+	(BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
+	BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
+	MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
+	TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
+	TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
+	(TYPE_QUAL_BOUNDED): New constant.
+	(TYPE_QUALS): Handle bounded qualifier.
+	(TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
+	(TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
+	TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
+	TYPE_AMBIENT_BOUNDEDNESS): New macros.
+	(MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
+	(tree_type): Add pointer_depth member.  Remove
+	inaccurate comment about number of remaining bits.
+	(DECL_POINTER_DEPTH): Add macro.
+	(tree_decl): Add pointer_depth member.
+
+Wed May  3 22:52:53 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* config/avr/avr-protos.h (test_hard_reg_class): Declared.
+	* config/avr/avr.c (ashrhi3_out): optimized shift by 15.
+	(lshrhi3_out): Likewise.
+	(ashrsi3_out): bugfix in shift by 8.
+	(test_hard_reg_class): New function.
+	* config/avr/avr.md: Bugfix inside conditions in peepholes.
+	(ashlhi3): removed define_expand of this pattern.
+	(*ashlhi3_insn): renamed to ashlhi3.
+	(ashlsi3): removed define_expand of this pattern.
+	(*ashlsi3_insn): renamed to ashlsi3.
+	(ashrqi3): removed define_expand of this pattern.
+	(*ashrqi3_insn): renamed to ashrqi3.
+	(ashrhi3): removed define_expand of this pattern.
+	(*ashrhi3_insn): renamed to ashrhi3.
+	(ashrsi3): removed define_expand of this pattern.
+	(*ashrsi3_insn): renamed to ashrsi3.
+	(lshrhi3): removed define_expand of this pattern.
+	(*lshrhi3_insn): renamed to lshrhi3.
+	(lshrsi3): removed define_expand of this pattern.
+	(*lshrsi3_insn): renamed to lshrsi3.
+
+2000-05-03  Rodney Brown  <RodneyBrown@pmsc.com>
+
+	* config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
+	inclusion of "system.h".
+
+Wed May  3 11:43:53 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.c (ia64_encode_section_info): Add check for
+	TREE_ASM_WRITTEN.
+
+2000-05-03  David Mosberger  <davidm@hpl.hp.com>
+
+	* config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
+	if -mauto-pic is on.
+	(ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
+	-mconstant-gp is in effect and function-descriptors are being used
+	to make indirect calls.
+	* config/ia64/ia64.h (MASK_CONST_GP): New macro.
+	(MASK_AUTO_PIC): Ditto.
+	(TARGET_CONST_GP): Ditto.
+	(TARGET_AUTO_PIC): Ditto.
+	(TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
+	(ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
+	-mno-pic is in effect.
+	(ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
+	* config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
+	-mauto-pic is in effect.
+	(gprel64_offset): New pattern.
+	(load_gprel64): Ditto.
+	(call): Handle -mauto-pic like -mno-pic (don't use fptr).  If
+	-mconstant-gp is in effect, no need to preserve gp around direct
+	calls.
+	(call_value): Ditto.
+	* config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
+	(FUNCTION_PROFILER): Define.
+	* config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
+	@fptr() directive when -mno-pic or -mauto-pic is in effect.
+	(ASM_OUTPUT_DESTRUCTOR): Ditto.
+
+2000-05-03  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
+	(libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
+	(libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
+	(mklibgcc, libgcc.mk): New targets.
+	(libgcc.a): Use libgcc.mk.
+	(stmp-multilib): Likewise.
+	(stmp-multilib-sub): Remove.
+	(mostlyclean): Don't delete libgcc2 temp files.
+	* configure.in (AC_PROG_CC_C_O): Add.
+	(NO_MINUS_C_MINUS_O): Substitute it.
+	(all_outputs): Add mklibgcc.
+	* mklibgcc.in: New file.
+
+2000-05-03  Jason Merrill  <jason@casey.cygnus.com>
+
+	* cppexp.c (op_t): Make an int.
+
+	* rtlanal.c (dead_or_set_regno_p): Remove unused variable.
+
+	* varasm.c (initializer_constant_valid_p): Fix parenthesis.
+
+	* gensupport.c (process_rtx): Fix macros used.
+
+2000-05-03  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
+	call-clobbered registers of a call.
+
+Wed May  3 12:40:53 2000  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* gensupport.c: New file.
+	* gensupport.h: New file.
+	* Makefile.in (HOST_RTL): Depend on gensupport.
+	(gensupport.o) New rule.
+	* genattr.c: Use gensupport for reading .md files.
+	* genattrtab.c: Ditto.
+	* gencodes.c: Ditto.
+	* genconfig.c: Ditto.
+	* genemit.c: Ditto.
+	* genextract.c: Ditto.
+	* genflags.c: Ditto.
+	* genopinit.c: Ditto.
+	* genoutput.c: Ditto.
+	* genpeep.c: Ditto.
+	* genrecog.c: Ditto.
+	* rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
+	* md.texi (Insn Splitting): Document define_insn_and_split.
+
+Tue May  2 00:20:30 2000  Jason Eckhardt  <jle@cygnus.com>
+
+	* flow.c (verify_flow_info): Added two more sanity checks. The
+	first checks that the blocks are numbered consecutively. The second
+	checks that n_basic_blocks is actually equal to the number of
+	basic blocks in the insn chain.
+
+2000-05-03  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.h: Add accessor macros for token lists.
+	* cpplib.c, cpphash.c, cpplex.c: Use them.
+
+Wed May  3 09:29:17 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
+	memory usage if not in a function.
+	* varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
+	return address if static.
+
+Wed May  3 13:14:49 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* ifcvt.c (noce_try_cmove_arith):  Use may_trap_p to thest
+	whether address may trap.
+
+Tue May  2 23:38:37 2000  Jason Eckhardt  <jle@cygnus.com>
+
+	* bb-reorder (chain_reorder_blocks): Changed code to test for
+	EDGE_FALLTHRU rather than making erroneous assumption that the
+	first outgoing edge is the fall-through edge.
+
+Tue May  2 18:20:31 2000  Donald Lindsay  <dlindsay@hound.cygnus.com>
+
+	* config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
+	ABI for varargs, across all MIPS. This is incompatible because the
+	va_list (__builtin_va_list) structure is different, so a compilation
+	unit passing a va_list and a compilation unit being passed one, should
+	both be compiled with the same ABI. (The old structure had two
+	pointers, now it has three.)
+
+Tue May  2 19:18:43 2000  Jason Eckhardt  <jle@cygnus.com>
+
+	* bb-reorder.c (struct reorder_block_def): Remove members end,
+	block_begin, and block_end.
+	(REORDER_BLOCK_OLD_END): Delete.
+	(REORDER_BLOCK_BEGIN): Delete.
+	(REORDER_BLOCK_END): Delete.
+	(chain_reorder_blocks): Remove dead code.
+
+Tue May  2 17:06:53 2000  Jason Eckhardt  <jle@cygnus.com>
+
+	* bb-reorder.c (remove_scope_notes): Check for both types of scope
+	notes as the end of a basic block before deleting.
+
+2000-05-02  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* final.c (final_start_function): Fix spelling of "necessary".
+
+2000-05-02  Jason Merrill  <jason@casey.cygnus.com>
+
+	* toplev.c (debug_ignore_block): Return int.
+	* dwarf2out.c (dwarf2out_ignore_block): Likewise.
+	* toplev.h, dwarf2out.h: Adjust.
+	* emit-rtl.c (remove_unnecessary_notes): Test return value.
+
+	* emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
+	* toplev.c, final.c, rtl.h: Adjust.
+
+2000-05-02  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
+	* configure.in: Look for makeinfo in the unified tree, then
+	for a system makeinfo which is sufficiently new.
+	* Makefile.in: If configure says makeinfo is too old, don't
+	build or install Info documentation.
+
+2000-05-02  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (collect_params): Fix off-by-one error.
+	(dump_hash_helper): Dump all four macro nodetypes.
+
+2000-05-02  Jakub Jelinek  <jakub@redhat.com>
+
+	* cpphash.c (trad_stringify): Adjust p after stringification as
+	well.
+
+2000-05-02  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.h (CPP_POP, parse_cleanup_t): Delete.
+	(cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
+
+	* cppfiles.c (file_cleanup): Delete.
+	* cpphash.c (macro_cleanup): Delete.
+	(collect_objlike_expansion, collect_funlike_expansion,
+	macarg, scan_arguments): Remove CPP_POP case.
+
+	* cpplex.c (null_cleanup): Delete.
+	(cpp_pop_buffer): Do the work that was done in the cleanups
+	here.  Call _cpp_unwind_if_stack from here.
+	(_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
+	cpp_scan_buffer): Run until we see CPP_EOF and the top of
+	stack is the buffer _below_ the one we stacked.
+	(cpp_get_token): Always pop an exhausted buffer.  Return
+	CPP_EOF unless it's a macro buffer.  Don't call _cpp_handle_eof.
+	* cpplib.c (skip_if_group): Don't call cpp_get_token to
+	increment the line number.
+	(_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
+
+	* fix-header.c (read_scan_file) [parsing getchar()]: Run until
+	we see CPP_EOF and the top of stack is the buffer _below_ the
+	one we stacked.
+	* scan-decls.c: Likewise.
+
+2000-05-02  Andrew Haley  <aph@cygnus.com>
+
+	* config/ia64/ia64.c (ia64_encode_section_info): Handle the case
+	where this function is called for the second time on a decl that
+	has had its section info changed in such a way as to move it out
+	of small data/bss.
+	* config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
+
+2000-05-01  Richard Henderson  <rth@cygnus.com>
+
+	* ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
+	the sequence we're moving, not to merge_bb->head.
+
+2000-05-01  Richard Henderson  <rth@cygnus.com>
+
+	* configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
+	reference to alpha/t-linux.
+	(alpha*-*-linux-gnu*): Likewise.
+	* configure: Rebuild.
+
+	* calls.c (expand_call): Don't emit reg notes for a sibcall.
+
+	* flow.c (calculate_global_regs_live): Skip for_each_successor_phi
+	if not in SSA form.
+
+	* ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
+
+2000-05-01  Jason Merrill  <jason@casey.cygnus.com>
+
+	* integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
+	TREE_THIS_VOLATILE.
+
+2000-05-01  Richard Henderson  <rth@cygnus.com>
+
+	* ifcvt.c (noce_emit_cmove): Conditionally compile call to
+	emit_conditional_move.
+
+2000-05-01  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
+	as the dynamic linker.
+
+2000-05-01  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c (open_include_file): Open file in blocking mode.
+	(read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
+	Only exclude block devices and directories.
+
+	* cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
+	static.  Allocate the hashnode and its string in the same
+	block of memory.
+	(del_HASHNODE): Don't free h->name.
+	(_cpp_lookup): If there is no entry for this string, create
+	one, of type T_VOID.
+	(_cpp_lookup_slot): Delete.
+	* cpphash.h: Update prototypes.
+
+	* cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
+	not hp == NULL.
+	* cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
+	do_unassert, cpp_defined): Use _cpp_lookup.  Don't create a
+	node here, just fill in the value field properly.  "Delete"
+	entries by setting the value field to T_VOID.  Check for
+	hp->type == T_VOID, not hp == NULL.
+
+	* Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
+	* cpperror.c, cppexp.c, cpplex.c, cpplib.c:  Don't include
+	hashtab.h.
+
+2000-05-01  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.c (print_operand_address): Do not add
+	zero to SP.
+
+	* config/mn10300/mn10300.c (expand_epilogue): If SP is to be
+	adjusted by less than 256 bytes, use ret regardless of having any
+	callee-saved register to restore.
+
+2000-05-01 Laurynas Biveinis <lauras@softhome.net>
+
+	* tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
+
+2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
+
+	* config/i386/djgpp.h (INT_ASM_OP): Define.
+	(CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
+	(ASM_WEAKEN_LABEL): Define.
+	(MASK_BNU210): Define.
+	(SUBTARGET_SWITCHES): Define.
+	(SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
+	(MAKE_DECL_ONE_ONLY): Define.
+	(UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
+
+2000-05-01  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* i386/cygwin.h (INT_ASM_OP): Define.
+
+Mon May  1 18:20:06 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* config/avr/avr.c (address_cost): renamed to avr_address_cost.
+	* config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
+
+Mon May  1 17:50:44 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
+	__tmp_reg__ and __zero_reg__ initialization.
+
+2000-04-30  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (propagate_one_insn): Mark sets even when the insn is dead.
+
+	* ifcvt.c (noce_process_if_block): Fail the conversion if X is
+	referenced bewteen the condition and the jump.  Don't delete
+	anything but the jump.
+
+Sun Apr 30 22:48:24 2000  Jason Eckhardt  <jle@cygnus.com>
+
+	* bb-reorder.c (scope_def): New struct.
+	(scope_forest_info): New struct.
+	(struct reorder_block_def): New member "scope".
+	(REORDER_BLOCK_SCOPE): New macro.
+	(relate_bbs_with_scopes): New function and prototype.
+	(make_new_scope): Likewise.
+	(build_scope_forest): Likewise.
+	(remove_scope_notes): Likewise.
+	(insert_intra_1): Likewise.
+	(insert_intra_bb_scope_notes): Likewise.
+	(insert_inter_bb_scope_notes): Likewise.
+	(rebuild_scope_notes): Likewise.
+	(free_scope_forest_1): Likewise.
+	(free_scope_forest): Likewise.
+	(dump_scope_forest): Likewise.
+	(dump_scope_forest_1): Likewise.
+	(chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
+	Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
+	block.
+	(reorder_basic_blocks): Added calls to build_scope_scope_forest
+	and remove_scope_notes before reordering is done. Added calls to
+	rebuild_scope_notes, free_scope_forest, and reorder_blocks after
+	after reordering is done.
+
+2000-40-30  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/inclhack.def:  Added definitions needed by OSR5,
+	removed two stale entries (defined away with OLD_CPP).
+	* fixinc/inclhack.sh: regen
+	* fixinc/fixincl.x: regen
+
+2000-04-30  Richard Henderson  <rth@cygnus.com>
+
+	* ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
+	from the last insn in the sequence.
+
+2000-04-30  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplex.c (cpp_idcmp): New function.
+	* cpplib.h: Prototype it.
+	* scan_decls.c (scan_decls): Use it to inspect token names.
+	* fix-header.c (read_scan_file): Likewise.  Set system_header_p on
+	the file being run through the preprocessor.
+	(check_macro_names): Provide length of token to cpp_defined.
+
+	* Makefile.in: Remove stale warning message.
+
+	* cppfiles.c (redundant_include_p): Provide length of token to
+	cpp_defined.
+	* cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
+	values are unsigned int.
+	(_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
+	(_cpp_lookup_slot): Do not calculate the hash, either.
+	* cpphash.h: Update prototypes.
+	* cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
+	Hashes are unsigned int.  Calculate hash here, pass by value
+	to _cpp_lookup_slot.
+
+2000-04-30  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* simplify-rtx.c (check_value_useless): Delete function.
+	(discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
+	by hand.
+	(cselib_invalidate_regno): Likewise.
+	(cselib_invalidate_mem_1): Likewise.
+	(references_value_p): Recognize useless values by the fact that they
+	have no locations.
+	(discard_useless_values): Likewise.
+	(cselib_record_set): This may turn a useless value
+	into a useful one.
+
+2000-04-30  Richard Henderson  <rth@cygnus.com>
+
+	* config/d30v: New port.
+
+	* configure.in (d30v-*): Set fp format.
+	* configure: Rebuild.
+
+2000-04-30  Richard Henderson  <rth@cygnus.com>
+
+	* ifcvt.c: New file.
+	* Makefile.in (OBJS): Add it.
+	(ifcvt.o): New target.
+	* jump.c (jump_optimize_1): Remove all code related to if-conversion,
+	and conditional arithmetic.
+	(find_insert_position): Remove.
+	* timevar.def (TV_IFCVT, TV_IFCVT2): New.
+	* toplev.c (DFI_ce, DFI_ce2): New.
+	(dump_file): Add ce and ce2 dumps.
+	(rest_of_compilation): Run if_convert a couple o times.  Set
+	cse_not_expected after cse2.  Don't set no_new_pseudos until
+	after sched1 or recompute_reg_usage.
+
+2000-04-30  Richard Henderson  <rth@cygnus.com>
+
+	* config/alpha/t-crtbe (crtbegin.o): Add "-I.".
+	(crtend.o, crtbeginS.o, crtendS.o): Likewise.
+
+2000-04-30  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (struct reg_cond_life_info): New.
+	(struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
+	(init_propagate_block_info): Initialize them.
+	(free_propagate_block_info): Destruct them.
+	(mark_set_1): Consider conditional life before killing a register.
+	(mark_regno_cond_dead): New.
+	(free_reg_cond_life_info): New.
+	(flush_reg_cond_reg_1, flush_reg_cond_reg): New.
+	(ior_reg_cond, not_reg_cond, nand_reg_cond): New.
+	(mark_used_reg): Record conditional life.
+
+	* haifa-sched.c (schedule_insns): Disable death counting
+	sanity check for HAVE_conditional_execution.
+
+2000-04-30  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (TIMEVAR_H): New.
+	(ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
+	(timevar.h): Remove rule.
+
+2000-04-29  Richard Henderson  <rth@cygnus.com>
+
+	* config/alpha/crtend.asm: Use C comments instead of #.
+	* config/alpha/crtbegin.asm: Likewise.  Mark __dso_handle hidden.
+
+	* config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
+
+2000-04-29  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.h (enum node_type: Take out T_MCONST.
+	(union hashval): Move into struct hashnode.
+	(struct hashnode): Pack tighter.  Remove file, line, col
+	members.
+	* cpphash.c: Constify most of the macro-definition structures.
+	(struct definition): Replace by struct object_defn
+	and struct funct_defn.  Put file, line, column information
+	here.  All users updated to match.
+	(_cpp_create_definition, _cpp_macroexpand): Remove special
+	case for #define WORD OTHERWORD.
+	* cpplib.c (do_undef): Remove T_MCONST case.
+
+	* cpphash.h: Move struct reflist, struct definition, and the
+	DEFINITION typedef to cpphash.c.  Use 'struct definition *' in
+	union hashval.  _cpp_free_definition takes a HASHNODE pointer.
+	* cpphash.c (_cpp_free_definition): Free data pointed to by
+	MCONST, XCONST, MACRO, and FMACRO nodes properly.
+	(_cpp_create_definition, del_HASHNODE): Just call
+	_cpp_free_definition to clear out a hashnode.
+	* cpplib.c (do_pragma_poison): Likewise.
+
+Sat Apr 29 12:25:17 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
+	LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
+	FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
+	(REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
+	(REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
+	REGNO_AM33_P): Redefine in terms of the new macros.
+	(CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
+	(FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
+	STRUCT_VALUE): Likewise.
+	(STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
+	ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise.  Moved.
+
+Sat Apr 29 01:18:45 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* regmove.c (struct record_stack_memrefs_data): New.
+	(record_stack_memrefs): New function.
+	(combine_stack_adjustments_for_block): Use it.
+
+Sat Apr 29 01:15:27 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* calls.c (calls_function_1):  Propertly handle TREE_LIST expressions;
+	use special_function_p to detect alloca.
+
+Fri Apr 28 16:30:33 2000  Marc Espie <espie@cvs.openbsd.org>
+
+	* gcc.texi: Fixes for makeinfo 4.0 --html.
+
+2000-04-28  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* pcp.h: Delete file.
+
+2000-04-28  Kazu Hirata  <kazu@hxi.com>
+
+	* h8300.c (function_epilogue): Clean up flags when the last insn
+	in a function is a barrier.
+
+2000-04-28  Chris Demetriou  <cgd@sibyte.com>
+
+	* configure.in (sparc-hal-solaris2*): protect [] glob from
+	my expansion.
+	(mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
+	rather than hard-coded constants in target_cpu_default2.
+	* configure: Regenerate.
+
+2000-04-28  Jason Merrill  <jason@casey.cygnus.com>
+
+	* tree.c (get_callee_fndecl): Extract the initial value from
+	a readonly decl.
+
+2000-04-28  Richard Henderson  <rth@cygnus.com>
+
+	* varasm.c (record_constant_1): Record the CODE_LABEL when
+	taking the address of a LABEL_REF.
+
+2000-04-28  Richard Henderson  <rth@cygnus.com>
+	    Jan Hubicka  <jh@suse.cz>
+
+	* calls.c (combine_pending_stack_adjustment_and_call): Return the
+	adjustment; don't do the stack adjust.
+	(expand_call): Call compute_argument_block_size right before
+	allocating the block; update comment; don't do alignment sanity
+	checking for sibling call; use args_size instead of
+	unadjusted_args_size before args_size is adjusted.  Use
+	combine_pending_stack_adjustment_and_call to compute stack adjust
+	for must_preallocate case.
+
+	* expr.c (push_block): Remove shadow `temp' in inner scope.
+
+2000-04-28  Jason Merrill  <jason@casey.cygnus.com>
+
+	* toplev.c (rest_of_compilation): Call
+	note_deferral_of_defined_inline_function even if the function
+	can't be inlined.
+
+2000-04-28  Scott Bambrough  <scottb@netwinder.org>
+
+	* cpplex.c (_cpp_scan_line): Fix buffer overwrite.
+
+2000-04-28  Richard Henderson  <rth@cygnus.com>
+
+	* toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
+
+2000-04-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* timevar.c (init_timevar): DeANSIfy function definition.
+
+2000-04-27  Alex Samuel  <samuel@codesourcery.com>
+
+	* Makefile.in (timevar.o): Depend on flags.h.
+	* timevar.c (unused_stack_instances): New variable.
+	(timevar_push): Take a timevar_stack_def from
+	unused_stack_instances if available.
+	(timevar_pop): Push the popped timevar_stack_def onto
+	unused_stack_instances.
+	(TIMEVAR_ENABLE): New macro.
+	(timevar_def): Make standalone a 1-bit field.  Add field used.
+	(get_time): Rename parameter to now.  Return after clearing it if
+	not TIMEVAR_ENABLE.
+	(init_timevar): Do nothing if not TIMEVAR_ENABLE.
+	(timevar_pop): Likewise.
+	(timevar_stop): Likewise.
+	(timevar_push): Likewise.  Mark the timing variable as used.
+	(timevar_start): Likewise.
+	(timevar_print): Do nothing if not TIMEVAR_ENABLE.  Don't print
+	timevars that were never used.
+
+2000-04-27  Mark Mitchell  <mark@codesourcery.com>
+
+	* c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
+	always TREE_READONLY.
+
+2000-04-27  Ulrich Drepper  <drepper@cygnus.com>
+
+	* i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
+ 	for call instruction with mode QImode.
+
+2000-04-27  Alex Samuel  <samuel@codesourcery.com>
+
+	* Makefile.in (OBJS): Add timevar.o.
+	(toplev.o): Depend on timevar.h.
+	(ggc-simple.o): Likewise.
+	(ggc-page.o): Likewise.
+	(timevar.o): New rule.
+	(timevar.h): New rule.
+
+	* timevar.h: New file.
+	* timevar.c: Likewise.
+	* timevar.def: Likewise.
+
+	* toplev.h (gc_time, parse_time, varconst_time): Remove.
+	* toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
+	throughout.
+	(TIMEVAR): Remove macro.
+	(gc_time, parse_time, varconst_time, integration_time, jump_time,
+	cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
+	flow_time, combine_time, regmove_time, sched_time,
+	local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
+	sched2_time, dbr_sched_time, reorder_blocks_time,
+	rename_registers_time, shorten_branch_time, stack_reg_time,
+	to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
+	all_time): Remove.
+	(compile_file): Don't initialize time variables.  Call
+	init_timevar and start TV_TOTAL timer.  Call timevar_print instead
+	of many calls to print_time.
+	(rest_of_compilation): Add timing for reload_cse_regs.
+	(get_run_time): Removed to timevar.c.
+	(print_time): Likewise.
+	(get_run_time): Implement using TV_TOTAL time variable.
+	(print_time): Get total run time from get_run_time.
+	* ggc-page.c (ggc_collect): Push and pop TV_GC instead of
+	computing elapsed time explicitly.
+	* ggc-simple.c (ggc_collect): Likewise.
+	(gc_time): Remove declaration.
+
+2000-04-27  Mark Mitchell  <mark@codesourcery.com>
+
+	* calls.c (combine_pending_stack_adjustment_and_call): New function.
+	(expand_call): Use it.
+
+2000-04-27  Jan Hubicka  <jh@suse.cz>
+
+	* flow.c (mark_set_1):  Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
+	fields.
+
+Thu Apr 27 12:47:00 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.md (movhi): Simplify.  Prefer data
+	registers.
+
+Thu Apr 27 17:33:05 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* function.c (epilogue_done): Pass whole insn to record_insns.
+
+Thu Apr 27 16:55:28 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* cse.c (CSE_ADDRESS_COST): Remove.
+	(find_best_addr): Add new parameter "MODE", use address_cost instead
+	of CSE_ADDRESS_COST
+	(address_cost): New.
+	(fold_rtx): Update call of find_best_addr.
+	* rtl.h (address_cost): Declare.
+	* loop.c (general_induction_var): Add new parameter "MODE", use
+	address_cost instead of ADDRESS_COST
+	(init_loop): Use address_cost instead of ADDRESS_COST.
+	(check_insn_for_givs): Update call of general_induction_var.
+	(find_mem_givs): Likewise.
+	(consec_sets_giv): Likewise.
+	* config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
+	* i386.c (ix86_address_cost): New.
+	* i386-protos.h (ix86_address_cost): Declare.
+
+Thu Apr 27 11:45:16 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.md (movqi): Simplify.  Prefer data
+	registers.
+
+Thu Apr 27 16:11:00 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* expr.c (store_expr): Use clear_storage instead of direct memset
+	libcall.
+
+Thu Apr 27 10:36:51 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.c (mn10300_address_cost): Test
+	ASHIFT, AND and LABEL_REF.
+
+Thu Apr 27 15:08:46 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* invoke.texi (-foptimize-sibling-calls): Fix.
+
+Thu Apr 27 14:54:22 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* loop.c (load_mems)  Don't use hard registers for the hoisting.
+
+	* unroll.c (unroll_loop): Avoid overflow in the n_iterations
+	calculation; rename const_equiv array in the preconditioning code
+	from loop_unroll to loop_unroll_precondition
+
+2000-04-27  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (struct propagate_block_info): Remove new_dead, new_live;
+	add new_set.
+	(propagate_one_insn): Clear it.  Don't update reg_live here.
+	(init_propagate_block_info): Update for pbi member changes.
+	(free_propagate_block_info): Likewise.
+	(mark_set_1): Know that zero_extract, sign_extract, and
+	strict_low_part don't kill their argument.  Alter hard subregs.
+	Update new_set for non-CLOBBER sets.  Update reg_live.
+	(find_auto_inc): Update reg_live, not new_dead.
+	(mark_used_reg): Update reg_live, not new_live.  Examine new_set
+	to determine if the reg in question was set this insn.  Only update
+	reg info with PROP_REG_INFO.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (allocate_reg_life_data): Set max_regno here ...
+	(life_analysis): ... not here.
+
+	* flow.c (calculate_global_regs_live): Force stack pointer
+	live at end.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
+	* jump.c (redirect_exp_1): Rework from old redirect_exp.  Never
+	commit change group changes.
+	(invert_exp_1): Similarly.
+	(redirect_exp, invert_exp): Use them.
+	(redirect_jump_1): New.
+	(invert_jump_1): New.
+	(jump_optimize_1): Remove code subsumed by condexec.c.
+	* rtl.h (invert_jump_1, redirect_jump_1): Declare.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
+	* rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
+
+	* genconfig.c (main): Set all HAVE_foo to 1.
+
+	* graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
+
+2000-04-26  Alex Samuel  <samuel@codesourcery.com>
+
+	* invoke.texi: Document -fssa flag.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (count_reg_sets_1): Remove.
+	(count_reg_sets, count_reg_references): Remove.
+	(recompute_reg_usage): Implement with update_life_info.
+	Reallocate life data.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (update_life_info): Consider blocks null to mean the
+	universal set.
+	(calculate_global_regs_live): Likewise.
+	(life_analysis): Do that instead of collecting all_blocks.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (tidy_fallthru_edge): Don't delete the jump when it's
+	a still-valid conditional jump.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
+	* jump.c (invert_jump): Always invert REG_BR_PROB.  Do it correctly.
+
+	* bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
+	* flow.c (calculate_loop_depth): Remove.
+	* output.h (calculate_loop_depth): Don't declare.
+	* toplev.c (rest_of_compilation): Expand calculate_loop_depth
+	inline; run estimate_probability at the same time.
+
+2000-04-26  Neil Booth  <NeilB@earthling.net>
+
+	* cpplib.h: "~=" is not a single pp-token.
+	* cpplex.c: Correct commentary.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (mark_set_1): New arguments code and flags; update all
+	callers.  Track regno_first and regno_last; do HARD_REGNO_NREGS
+	test in one place.  Tidy flags tests.  Don't bias REG_N_REFS by
+	loop_depth when optimizing for size.  Do new_dead update after
+	emitting REG_UNUSED notes.  Merge mark_set_reg code.
+	(mark_set_reg): Remove.
+	(propagate_one_insn): Use mark_set_1 for call-clobbered registers;
+	arrange to not emit REG_UNUSED notes.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
+	* ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (propagate_one_insn): Break out from propagate_block.
+	(init_propagate_block_info): Likewise.
+	(free_propagate_block_info): Likewise.
+	(propagate_block): Use them.  Export.
+	* basic-block.h: Declare them all.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
+	* basic-block.h (life_analysis): Declare here ...
+	* output.h: ... not here.
+	* flow.c (life_analysis): Remove nregs parameter; replace
+	remove_dead_code with flags.  Remove ssa dead code check.
+	Only init alias analysis if we'll use it.
+	* reg-stack.c (reg_to_stack): Update life_analysis arguments.
+	* ssa.c (convert_to_ssa): Likewise.
+	(convert_from_ssa): Likewise.
+	* toplev.c (rest_of_compilation): Likewise.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (flow_delete_block): Rename from delete_block.  Export.
+	* basic-block.h (flow_delete_block): Declare.
+
+2000-04-26  David S. Miller  <davem@redhat.com>
+
+	* optabs.c (emit_libcall_block): Verify insns with INSN_P before
+	taking a PATTERN of it.
+
+2000-04-26  <NeilB@earthling.net>
+
+	* cpplex.c (spell_other, spell_char): Remove.
+	(SPELL_CHAR): New.
+	(token_spelling, trigraph_map): Use unsigned chars.
+	(_cpp_lex_line): Tidy up the switch statement.
+	* cpplib.h: Implement spell_char with spell_string.
+	(C): New.
+
+2000-04-26  <RodneyBrown@pmsc.com>
+
+	* pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
+	* pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
+
+2000-04-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
+	reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
+	dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
+	dwarf2out_return_save, dwarf2out_return_reg,
+	dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
+	add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
+	gen_compile_unit_die, dwarf2out_init): Constify a char*.
+
+	* dwarf2out.h (dwarf2out_init): Likewise.
+
+	* dwarfout.c (filename_entry, primary_filename, last_filename,
+	type_tag, output_compile_unit_die, dwarfout_init): Likewise.
+
+	* tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
+	dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
+	dwarf2out_return_reg): Likewise.
+
+2000-04-26  Andreas Jaeger  <aj@suse.de>
+
+	* extend.texi (Function Attributes): Fix description of pure
+	attribute.
+
+2000-04-26  Jason Merrill  <jason@casey.cygnus.com>
+
+	* integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
+	before calling rest_of_compilation.
+
+2000-04-26  Andreas Jaeger  <aj@suse.de>
+
+	* config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
+	last patch.
+
+2000-04-25  Richard Henderson  <rth@cygnus.com>
+
+	* cse.c (cse_insn): Emit barrier after unconditional jump.
+
+	* calls.c (expand_call): Disable tail call generation once
+	rtx_equal_function_value_matters is false.
+
+	* reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
+	like EDGE_EH edges.
+
+2000-04-25  Jason Merrill  <jason@casey.cygnus.com>
+
+	* dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
+
+	* dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
+
+	* dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
+	is the primary DIE for a member function.
+	(gen_decl_die): Call set_decl_origin_self here.
+	* dwarfout.c (output_decl): And here.
+	* integrate.c (output_inline_function): Not here.
+	Don't clear DECL_INLINE until after calling rest_of_compilation.
+	(set_decl_origin_self): No longer static.
+	* tree.h: Add prototype.
+	* toplev.c (note_deferral_of_defined_inline_function): Only write
+	out abstract instance for actual inlines.
+
+2000-04-25  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
+	EXTENDED_REGS only if TARGET_AM33.
+	* config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
+	SP_REGS to register allocation and reloading unless absolutely
+	necessary.
+	(movsi3): Remove special-case of adding non-constants to SP.
+
+2000-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
+	INCLUDES to search and does not provide any of its own.  Also it
+	now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
+	parameters.  Also it does not call AC_DEFINE.
+	(gcc_AC_NEED_DECLARATIONS): Likewise.  Also this macro now calls
+	AC_DEFINE and provides for automatic entries for autoheader.
+	(gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
+
+	* configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
+	so we can pass -I flags and include gansidecl.h/system.h in this
+	test.
+
+	* acconfig.h: Delete all NEED_DECLARATION_* entries.
+
+2000-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
+	ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
+	ENABLE_GC_ALWAYS_COLLECT): Delete entries.
+
+	* configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
+	ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
+	ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
+	for these macros.  Clean up spacing and linewraps.
+
+2000-04-26  Jason Merrill  <jason@casey.cygnus.com>
+
+	* calls.c (expand_call): Use get_callee_fndecl.
+
+	* print-tree.c (print_node): Print the chain of an _EXPR.
+
+Tue Apr 25 16:16:04 2000  Andrew MacLeod  <amacleod@cygnus.com>
+			  Jim Wilson  <wilson@cygnus.com>
+			  Andrew Haley  <aph@cygnus.com>
+
+	* config/ia64/crtbegin.asm: Add IA-64 unwind support.  Correct alloc
+	and gp save/restore problems.
+	* config/ia64/crtend.asm: Add IA-64 unwind support.
+	* config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
+	in fr_pad_size calculation.
+	(save_restore_insns): Move PR save area.  Correct uses of
+ 	RTX_FRAME_RELATED_P.
+	(ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
+	(ia64_expand_epilogue): Add eh_epilogue support.
+	(ia64_function_prologue): Emit .prologue directive.
+	(ia64_init_machine_status, ia64_mark_machine_status): New functions.
+	(ia64_override_options): Set init_machine_status and
+	mark_machine_status.
+	(rtx_needs_barrier): Handle bsp reads and writes.
+	(spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
+	New static variables.
+	(process_set, process_for_unwind_directive): New functions.
+	* config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
+	ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
+	ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
+	macros.
+	(EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
+	(IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
+	(struct machine_function): Define.
+	* config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
+
+2000-04-25  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/Makefile.in: make the removal of old programs more
+	robust
+	* fixinc/mkfixinc.sh: use the two new targets in the Makefile:
+	install-bin and install-sh
+
+2000-04-25  Nick Clifton  <nickc@cygnus.com>
+
+	* integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
+	defined, define to return zero.
+	(function_cannot_inline_p): If a function has any target
+	specific attributes, then use the macro
+	FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
+	whether it can be inlined.  If it cannot, issue a suitable
+	explanation.
+
+	* tm.texi: Add a new node 'Inlining' to document the new macro
+	FUNCTION_ATTRIBUTE_INLINABLE_P.
+
+2000-04-25  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
+	commentary.
+
+2000-04-25  Neil Booth  <NeilB@earthling.net>
+
+	Restore previous patch, plus the following fixes:
+
+	* cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
+	flags, not CPP_OPEN_PAREN.
+	* cpplex.c (expand_token_space, init_token_list,
+	cpp_free_token_list): Put the dummy token at list->tokens[-1].
+	(_cpp_lex_line, _cpp_lex_file): token list is 0-based.
+
+Tue Apr 25 14:06:40 2000  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* config/i386/freebsd.h (INT_ASM_OP): Define.
+
+Tue Apr 25 14:51:07 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* loop.c (strength_reduce): Fix typo in the last checkin.
+
+Tue Apr 25 07:33:12 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* stor-layout.c (finalize_record_size): Simplify to use existing
+	functions.
+	(compute_record_mode): No longer static.
+	* tree.h (compute_record_mode): New declaration.
+
+2000-04-25  Neil Booth  <NeilB@earthling.net>
+
+	* Revert my patch below until cause of build failures
+	determined.
+
+2000-04-25  Richard Henderson  <rth@cygnus.com>
+
+	* combine.c (combine_instructions): Add missing argument
+	to try_combine.
+
+	* toplev.c (rest_of_compilation): Delay sibcall optimization
+	until after emit_eh_context.
+
+2000-04-24  Nick Clifton  <nickc@redhat.com>
+
+	* combine.c (combine_instructions): Do not try to combine a
+	sequence of insns when the second insn has been replaced by a
+	note.
+
+Mon Apr 24 17:34:18 2000  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* gcc.c (load_specs): New static function.
+	(read_specs): Use it.
+
+	* gcc.c (lookup_compiler): Make multiple passes for case
+	insensitive filesystems.
+
+2000-04-24  Neil Booth  <NeilB@earthling.net>
+
+	* cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
+	* cpphash.h (_cpp_check_directive): new.
+	* cpplex.c (handle_newline, cpp_free_token_list,
+	init_trigraph_map, trigraph_ok, trigraph_replace,
+	backslash_start, skip_block_comment, skip_line_comment,
+	skip_whitespace, parse_name, parse_number, parse_string,
+	copy_comment, _cpp_lex_line, spell_char, spell_string,
+	spell_comment, spell_name, spell_other, _cpp_lex_file,
+	_cpp_output_list): new.
+	(expand_name_space): take length argument.
+	(init_token_list): add comment list initialisation.
+	(cpp_scan_line): use auto_expand_name_space.  PREV_WHITESPACE
+	instead of HSPACE_BEFORE.
+
+	* cpplib.c (_cpp_check_directive): new
+	* cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
+	DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
+	(HSPACE_BEFORE): delete.
+	(TTYPE_TABLE): rearrange.
+	(struct cpp_toklist): update.
+
+2000-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
+	gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
+	argument form of AC_DEFINE.
+
+	* configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
+	HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
+	WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
+	HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
+	HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
+
+	* acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
+
+2000-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
+	deduced.h): Use -isystem, not -I, for including system headers.
+
+2000-04-24  Nick Clifton  <nickc@cygnus.com>
+
+	* config/fr30/fr30.md (addsi3): Do not use small add instruction if
+	the source register is the frame pointer or arg pointer.
+	(addsi3_small_int): Disallow if source register is the frame
+	pointer or arg pointer.
+
+2000-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
+	call to AC_MSG_RESULT.
+
+2000-04-24  Martin v. Löwis  <loewis@informatik.hu-berlin.de>
+
+	* invoke.texi: Correct grammatical errors, document
+	-fno-gnu-keywords as identical to -fno-asm for C++.
+
+2000-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
+	GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
+	GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
+	AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
+	EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
+
+	* configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
+	GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
+	GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
+	GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
+	new macros names.
+
+2000-04-24  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
+	(pop_alignment): Likewise.
+	(handle_pragma_token): Likewise.
+
+2000-04-24  Robert Lipe <robertlipe@usa.net>
+
+	* tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
+
+2000-04-24  Hiroyuki Machida <machida@sm.sony.co.jp>
+
+	* combine.c (try_combine): Update reg_nonzero_bits of
+	newi2pat before newpat.
+
+Mon Apr 24 10:19:48 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* loop.c (strength_reduce): Simplify test to INSN_P.
+	(record_giv): Attempt to simplify the add value, use CONSTANT_P
+	expressions instead of CONST_INT.
+	(express_from_1): Likewise.
+
+2000-04-24  Mark Mitchell  <mark@codesourcery.com>
+
+	* regs.h (reg_n_max): Don't declare.
+	* flow.c (reg_n_max): Don't define.
+	* regclass.c (renumber): Don't initialize to zero.
+	(regno_allocated): Likewise.
+	(reg_n_max): Define.
+	(allocate_reg_info): Don't initialize unnecessarily.
+
+Mon Apr 24 00:21:36 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
+	and blockage_p in the newly allocated attribute.
+
+Sun Apr 23 20:16:49 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.md (addsi): `inc4' on address
+	registers does not modify cc, but `inc' on an extended
+	register does.
+
+Sun Apr 23 16:24:35 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* reload.c (find_equiv_reg): Checks all valueno regs
+	as a reload_reg_p regs.
+
+2000-04-23  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (collect_objlike_expansion): Add sanity check.
+	(special_symbol): Remove case T_CONST, T_XCONST, T_MCONST.  If
+	the buffer is the empty string, return.  Mark __DATE__ and
+	__TIME__ as XCONST nodes, not MCONST.
+	(_cpp_macroexpand): Avoid pushing an empty buffer.
+	(funlike_macroexpand): Don't pop token_buffer here.
+
+Sun Apr 23 18:37:53 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
+	(REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
+	(REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
+	(REGNO_OK_FOR_BASE_P): Define in terms of them.
+	(REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
+	(REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
+	(REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
+
+Sun Apr 23 22:23:08 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* loop.c (simplify_giv_expr):  Be more agressive on simplifying
+	constant MULT givs.
+
+2000-04-23  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.h (struct definition): Move file, line, col members...
+	(struct hashnode): ... here.  Also add 'disabled' flag.
+	(enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
+	T_IDENTITY.  Remove T_DISABLED.
+	Update prototypes.
+
+	* cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
+	(collect_expansion): Split into collect_objlike_expansion and
+	collect_funlike_expansion.
+	(_cpp_macroexpand): Split out scan_arguments, stringify, and
+	funlike_macroexpand.
+	(_cpp_compare_defs): Rename compare_defs, make static.
+	(_cpp_make_hashnode): Initialize hp->disabled.
+	(macro_cleanup): Adjust for new token types.  Clear
+	m->disabled.
+	(_cpp_create_definition): Move code here to determine what
+	sort of macro it is, and code to check for redefinitions, from
+	do_define.  Implement a few simple cases without creating a
+	full DEFINITION.
+	(_cpp_macroexpand, special_symbol, _cpp_dump_definition):
+	Handle the simple cases.
+	(push_macro_expansion): Set buf->has_escapes and hp->disabled
+	here.
+
+	* cppinit.c (builtin_array): Change MCONST to XCONST
+	everywhere.
+	* cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
+	fix check for disabled and function-like macros.
+	* cpplib.c (do_define): Move most logic to
+	_cpp_create_definition.
+	(do_undef): Handle new special token types.
+
+Sun Apr 23 14:27:44 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
+	of CONSTANT_P for mult_val; always use validate_change to update insn.
+
+2000-04-22  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (trad_stringify, add_pat): New functions.
+	(collect_expansion): Restore support for -traditional syntax.
+	Use trad_stringify and add_pat.
+	(_cpp_macroexpand): Restore support for -traditional semantics.
+	* cpplex.c (_cpp_scan_line): Don't change space_before if we
+	get a COMMENT token.
+	(_cpp_lex_token): Provide COMMENT tokens to caller if
+	traditional and parsing_define_directive.
+	(skip_comment): Warn about // comments if -Wtraditional.
+	* cpplib.c (do_define): Fix typo.  Create EMPTY nodes with
+	proper node type.
+	(do_undef): Don't warn about undefining EMPTY nodes.
+
+Sat Apr 22 22:35:38 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* loop.c (strength_reduce): Fix biv removal code.
+
+2000-04-22  Richard Henderson  <rth@cygnus.com>
+
+	* predict.c (estimate_probability): Examine both sides of
+	a branch for no exits.  Use 90% not 50% for predict taken.
+	Reorg for one copy of note generation code.
+
+2000-04-22  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
+
+2000-04-22  Richard Henderson  <rth@cygnus.com>
+
+	* diagnostic.c (init_output_buffer): Don't initialize format_args.
+	(output_clear): Likewise.
+	(output_printf): Use va_copy.
+	(vline_wrapper_message_with_location): Likewise.
+	(v_message_with_decl): Likewise.
+	(line_wrapper_printf): VA_START infor buffer.format_args directly.
+	* system.h (va_copy): Provide default implementation.
+
+2000-04-22  Richard Henderson  <rth@cygnus.com>
+
+	* predict.c (expected_value_to_br_prob): Don't bomb if op1 of
+	the collected condition is not a constant.
+
+2000-04-22  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+	* diagnostic.h: New file.
+
+	* Makefile.in (diagnostic.o): Depends on diagnostic.h
+
+	* diagnostic.c: Tweak.  Rationalize the output logic.  Adjust
+	various function prototypes.
+	(diagnostic.h): #include.
+	(struct output_buffer): Move into diagnostic.h.
+	(get_output_prefix): Rename to output_get_prefix.  Export.
+	(init_output_buffer): Export. Break out.  Ajust intialization.
+	(output_space_left, output_append): Export.
+	(output_newline): Rename to output_add_newline.  Export.
+	(output_clear): Nullify additional output_buffer fields.
+	(output_puts): Rename to output_add_string.  Export.
+	(dump_output): Rename to output_flush_on.  Export.
+	(build_location_prefix): Constify return-type.
+	(emit_output_prefix): Rename to output_emit_prefix. Export.
+	(set_real_maximum_length): New function.
+	(output_set_maximum_length): Ditto
+	(output_clear): Ditto.
+	(output_add_character): Ditto.
+	(output_add_integer): Ditto.
+	(output_add_space): Ditto.
+	(output_format): Ditto.
+	(output_printf): Adjust buffer initialization.
+	(vline_wrapper_message_with_location): Ditto.
+	(v_message_with_decl): Ditto.  Adjust call to output_puts
+	and get_output_prefix.
+	(default_print_error_function): Adjust buffer intialization.
+
+Sat Apr 22 06:45:04 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
+	of VOID_TYPE.
+
+Fri Apr 21 18:33:09 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
+	of explicit 0.
+
+Fri Apr 21 18:30:00 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
+	accurate data about SP moves.
+
+Fri Apr 21 18:28:28 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
+	aliases to AM33 registers.
+
+Fri Apr 21 18:26:17 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
+	to all EXTENDED bitmaps.
+
+Fri Apr 21 18:17:12 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
+	* config/mn10300/mn10300.h (ADDRESS_COST): New macro.
+	* config/mn10300/mn10300.c (mn10300_address_cost): New function.
+
+Fri Apr 21 18:11:56 2000  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
+	the operand is not constant.
+
+Fri Apr 21 14:58:29 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* reload.c (find_equiv_reg): Checks all valueno and regno regs
+	as a call-clobbered regs.
+
+Fri Apr 21 13:30:26 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
+	* rtl.h: Likewise.
+	* rtl.def: Update comment.
+	* function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
+	* integrate.c (expand_inline_function): Likewise.
+	* profile.c (branch_prob): Likewise.
+	* ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
+	* print-rtl.c (print_rtx): Likewise.
+	* haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
+	(reemit_notes): Likewise; also use enum insn_note.
+
+	* stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
+	(place_field): Properly compute know and actual alignment.
+
+	* gengenrtl.c (gencode): Write obstack_alloc_rtx function start
+	in proper format.
+
+	* cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
+	note for REG1.
+
+2000-04-21  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (struct arg, struct arglist): Const-ify strings.
+	(warn_trad_stringify, duplicate_arg_p): New helper functions.
+	(collect_expansion): Rewrite to scan over a token list.
+	Remove -traditional support.
+	(collect_formal_parameters): Rename to collect_params; rewrite
+	to scan over a token list.
+	(_cpp_create_definition): Adjust to scan a token list.
+	(_cpp_macroexpand): Remove -traditional support.
+	(_cpp_compare_defs): Whitespace is now canonicalized.
+	(comp_def_part): Delete function.
+
+	* cpphash.h: Update prototypes.
+	* cpplex.c (init_token_list): Don't set lineno if there is no
+	buffer.
+	(pedantic_whitespace): New function.
+	(_cpp_scan_line): Mark tokens that had hspace before.  Don't
+	consume a newline.  Use pedantic_whitespace.
+	(_cpp_lex_token): Remove support for -traditional macros.
+	(_cpp_get_define_token): Delete.
+	(_cpp_get_directive_token): Do the real work here.  Use
+	pedantic_whitespace.
+	(_cpp_init_input_buffer): Initialize pfile->directbuf.
+
+	* cpplib.c (get_macro_name): Delete.
+	(do_define): Read the entire line into pfile->directbuf, then
+	feed the token list to _cpp_create_definition.
+	* cpplib.h (HSPACE_BEFORE): new define.
+	(struct cpp_reader): Add a toklist member, "directbuf".
+
+	* predict.c (estimate_probability): New heuristic: if a jump
+	branches around a block with no successors, predict it taken.
+	Disentangle control flow.
+
+2000-04-20  Richard Henderson  <rth@cygnus.com>
+
+	* loop.c (emit_iv_add_mult): Revert last change.
+
+2000-04-20  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.h (enum cpp_ttype): Add token types for all
+	punctuators.  Distinguish pp-numbers from valid C numbers.
+	Give some tokens better names.  Initialize from macro.
+	(struct cpp_name, cpp_token, cpp_toklist): New data
+	structures.
+	Update prototypes.
+	* cpplex.c (bump_column, expand_name_space,
+	expand_token_space, init_token_list, cpp_output_list,
+	_cpp_scan_line):  New functions.
+	(output_line_command): Add third argument, new line number.
+	* cpphash.h: Update prototypes.
+	* cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
+	token names.
+
+2000-04-20  Richard Henderson  <rth@cygnus.com>
+
+	* config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
+
+2000-04-20  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
+	object pointed to.
+
+Thu Apr 20 14:19:18 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* loop.c (emit_iv_add_mult):  Simplify it's input and emit
+	REG_EQUAL note explaining the calculated value.
+
+	* calls.c (expand_call): Avoid unnecesary precalculation
+	and outgoing parameters space guarding for sibling calls.
+	(store_one_arg): Likewise.
+
+Thu Apr 20 08:01:07 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
+	(rest_of_compilation): Write sibling dump file and account
+	for time as jump time.
+	* invoke.texi: Update documentation on dump flags.
+
+2000-04-19  Marek Michalkiewicz  <marekm@linux.org.pl>
+
+	* avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
+
+2000-04-19  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (special_symbol): Represent an empty macro with
+	"\r \r " not just "\r ".
+	(_cpp_macroexpand): Correct condition for the foo ( ) special
+	case.
+	(unsafe_chars): Handle EOF as second argument.
+	(push_macro_expansion): Simplify test for removing escape at
+	end.  Do not trim both escapes if there is no text in between.
+
+2000-04-19  Jim Blandy  <jimb@redhat.com>
+
+	* dwarf2out.c (DWARF2_ADDR_SIZE): New macro.  Use it instead
+	of PTR_SIZE, when appropriate.
+
+2000-04-19  Mark Mitchell  <mark@codesourcery.com>
+
+	* system.h (ONLY_INT_FIELDS): Make sure it is defined.
+	(USE_ENUM_BITFIELDS): Fix typo.
+
+Wed Apr 19 12:14:55 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* stor-layout.c (place_field): Set rli->offset_align properly.
+
+2000-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
+	INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
+	PARM_BOUNDARY): Remove unnecessary casts.
+
+Wed Apr 19 12:02:37 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* calls.c (precompute_arguments): Remove must_preallocate and
+	args_size calls.
+	(expand_call): Update call of precompute_arguments.
+
+	* loop.c (check_insn_for_bivs, for_every_insn_in_loop,
+	check_insn_for_givs): Break out from ...
+	(strength_reduce) ... here; use for_every_insn_in_loop to call
+	check_insn_for_givs.
+	* loop.h (for_every_insn_in_loop): Declare.
+	(loop_insn_callback): New type.
+
+2000-04-18  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.c (do_pragma_poison):  Strings in the token buffer are
+	not nul-terminated.
+
+Tue Apr 18 16:04:12 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
+	flag_pic and RELOC.
+
+2000-04-18  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cccp.c, cexp.y, cexp.c, cccp.1: Removed.
+
+	* configure.in: Delete --disable-cpplib option and all
+	references to cpp_main.
+	* configure: Regenerate.
+	* Makefile.in: Remove all references to CCCP, CCCP_OBJS,
+	@cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
+	cccp.o, cccp, or cppmain.  Link cppmain.o straight to
+	cpp$(exeext).  Add --no-headers to makeinfo command line when
+	generating INSTALL.  Install and uninstall cpp.1 manpage, not
+	cccp.1.
+	* install.texi: Delete all references to cexp.y/cexp.c.
+	Delete ancient instructions for compiling GCC on 3b1.
+	* INSTALL: Regenerate.
+
+	* cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
+	mips/t-elf, mips/t-r3900: Remove references to cccp.c.
+	* convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
+	cexp.c/cexp.y.
+	* xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
+	which is no longer tested anywhere.
+
+	* cppinit.c (handle_option): Don't run error message through
+	gettext twice.
+
+Tue Apr 18 14:16:47 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
+	* cpperror.c (hashtab.h): Now include.
+	* cppexp.c (hashtab.h): Likewise.
+	* cpplex.c (hashtab.h): Likewise.
+	* cppfiles.c (hashtab.h): Likewise.
+	(find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
+	to htab_find_slot_with_hash.
+	* cpphash.c (hashtab.h): Now include.
+	(_cpp_lookup_slot): INSERT is now enum insert_option.
+	* cpphash.h (_cpp_lookup_slot): Likewise.
+	* cppinit.c (hashtab.h): Include earlier.
+	(initialize_builtins): Pass enum to htab_find_slot.
+	* cpplib.c (hashtab.h): Now include.
+	(do_define, do_undef): Pass enum type to _cpp_lookup_slot.
+	(do_pragma_poison, do_assert): Likewise.
+	* emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
+	htab_find_slot_with_hash.
+	* simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
+	* tree.c (type_hash_add): Likewise.
+	(build1): Minor cleanup.
+
+	* ggc-common.c: Add missing blanks.
+	* print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
+	* tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
+
+	* stmt.c (mark_case_node): New function.
+	(mark_case_nesting): Call it.
+
+	* expmed.c (emit_store_flag): If comparing two-word integer
+	with zero, can optimize NE, EQ, GE, and LT.
+
+	* c-decl.c (mark_binding_level): Use 'for' instead of `while'.
+	* conflict.c: Minor cleanups.
+	* optabs.c: Add blank line
+	* simplify-rtx.c: Minor cleanups.
+
+2000-04-18  Stan Cox  <scox@cygnus.com>
+
+	* gengenrtl.c (genlegend): Fix misspelling.
+
+2000-04-18  Robert Lipe  <robertlipe@usa.net>
+
+	* configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added.  Check that
+	bitfields of the host compiler are not signed quantities.
+	* config.in: Regenerate.
+	* configure: Regenerate.
+	* system.h (USE_ENUM_BITFIELDS): Added.
+	(ENUM_BITFIELDS): Added.
+	* rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
+	(SHORT_ENUM_BUG): Deleted.
+	* tree.h (tree_common): Members `code', `mode', `built_in_class',
+	now ENUM_BITFIELD.
+	* config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
+	(CODE_FIELD_BUG): Likewise.
+	* config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
+	(OLD_CC): Likewise.
+	* config/m68k/x-ccur (X_CFLAGS): Likewise.
+
+2000-04-18  Mark Mitchell  <mark@codesourcery.com>
+
+	* cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
+	mark is active.
+
+2000-04-17  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppexp.c (lex): Don't assume tokens are NUL terminated.
+	* cpplib.c (do_include, do_import, do_include_next,
+	read_line_number, detect_if_not_defined): Likewise.
+	* cpphash.c (collect_expansion): Likewise.
+	(special_symbol, _cpp_macroexpand): Check return from
+	cpp_file_buffer.
+	* cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
+	macros.  Delete all uses.
+
+	* gcc.dg/cpp-mi.c: Add two more test cases.
+	* gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
+
+2000-04-17  Richard Henderson  <rth@cygnus.com>
+
+	* bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
+	(reorder_basic_blocks): If no epilogue in rtl, force last block last.
+
+2000-04-17  Mark Mitchell  <mark@codesourcery.com>
+
+	* function.c (expand_function_start): Use hard_function_value to
+	compute the RTL to use for DECL_RESULT.
+
+Mon Apr 17 23:35:29 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
+	(x86_integer_DFmode_moves, x86_partial_reg_dependency,
+	 x86_memory_mismatch_stall): New global variables.
+	(ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
+	alloved; fix load penalties for Athlon.
+	* i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
+	x86_memory_mismatch_stall): Declare.
+	(TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
+	 TARGET_MEMORY_MISMATCH_STALL): New.
+	* i386.md (athlon scheduling parameters): Fix latencies according to
+	Athlon Optimization Manual.
+	(sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
+	vector.
+	(fsqrt instruction patterns): Set athlon_decode to direct.
+	(movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
+	PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
+	(movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
+	and TARGET_PARTIAL_REGISTER_STALL machines.
+	(pushdf_nointeger): New pattern.
+	(pushdf_integer): Rename from pushdf.
+	(movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
+	(movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
+
+2000-04-17  Richard Henderson  <rth@cygnus.com>
+
+	* loop.c (canonicalize_condition): Add WANT_REG argument.
+	Stop the search if we match it.
+	* expr.h (canonicalize_condition): Update decl.
+	* predict.c (expected_value_to_br_prob): Use it.  Track last
+	expected value note.
+	(find_expected_value): Remove.
+
+	* reorg.c (mostly_true_jump): Always use BR_PROB if present.
+
+2000-04-17  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
+	(AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
+	a plain file.
+	* configure.in: Call AC_FUNC_MMAP_FILE.
+	* configure: Regenerate.
+	* config.in: Regenerate.
+
+	* intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
+	* fixinc/fixincl.c: Likewise.
+
+2000-04-17  Richard Henderson  <rth@cygnus.com>
+
+	* builtins.c (expand_builtin_expect): New.
+	(expand_builtin): Call it.
+	* builtins.def (BUILT_IN_EXPECT): New.
+	* c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
+	* extend.texi: Document it.
+
+	* predict.c (expected_value_to_br_prob): New.
+	(find_expected_value): New.
+	* basic-block.h (expected_value_to_br_prob): Declare.
+	* toplev.c (rest_of_compilation): Invoke it.
+
+	* rtl.h (NOTE_EXPECTED_VALUE): New.
+	(NOTE_INSN_EXPECTED_VALUE): New.
+	* rtl.c (note_insn_name): Update.
+	* print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
+	cases; handle NOTE_INSN_EXPECTED_VALUE.
+
+2000-04-17  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
+	leaf sibcall delay slot if flag_pic.
+	(output_sibcall): Always emit call for leaf sibcall if flag_pic.
+
+2000-04-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
+
+	* fixproto: If fix-header fails, exit with an error.
+
+Mon Apr 17 14:59:36 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* cse.c (struct check_depdendence_data): New.
+	(check_dependence): New function.
+	(invalidate): Use check_depdenence.
+
+2000-04-16  Mark Mitchell  <mark@codesourcery.com>
+
+	* dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
+	UNITS_PER_WORD is unsigned.
+
+	* tree.h (struct tree_common): Remove misleading comment.
+
+2000-04-16  Dave Pitts  <dpitts@cozx.com>
+
+	* Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
+	message in quotes. Otherwise, IBM's make program treats the '#' as the
+	start of a comment and ignores the remainder of the line.
+
+	* c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
+	upper case.
+	* cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
+	* cexp.y (initialize_random_junk): Likewise.
+	* cppfiles.c (find_include_file): Cast alloca return value.
+	* cppinit.c (initialize_standard_includes): Likewise.
+	* cpplib.c (cpp_define, cpp_undef): Likewise.
+	* defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
+	* final.c (output_asm_insn): Allow for holes in EBCDIC.
+	* fold-const.c (CHARMASK): New.
+	(real_hex_to_f): Use it.
+	* real.c (CHARMASK): New.
+	(etoasc, asctoeg): Use it.
+	(asctoeg): EBCDIC lower case characters preceed upper case.
+
+	* i370.c (mvs_add_label): Change spacing for coding conventions.
+	* i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
+	outputing case vectors.
+	(ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
+	(ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
+	since vector in in the data CSECT.
+	(ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
+	* i370.md (Many patterns): Put the length in the XL directives.
+	(movdi): Put back STM and MVC in definition.
+	(floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
+	pattern using the TCA.
+	* oe.h (CPP_SPEC): Added to allow trigraphs.
+	* xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
+	not support the "long long" type.
+
+2000-04-16  Mark Mitchell  <mark@codesourcery.com>
+
+	* config/mips/mips-protos.h (mips_legitimate_address_p): New
+	function.
+	(mips_reg_mode_ok_for_base_p): Likewise.
+	* config/mips/mips.h (REG_OK_STRICT_P): Don't define.
+	(REG_OK_FOR_INDEX_P): Define unconditionally.
+	(REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
+	(GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
+	* config/mips/mips.c (mips16_simple_memory_operand): Adjust now
+	that GET_MODE_SIZE is unsigned.
+	(mips_reg_mode_ok_for_base_p): Define.
+	(mips_legitimate_address_p): Likewise.  Adjust now
+	that GET_MODE_SIZE is unsigned.
+	(block_move_loop): Make the number of bytes unsigned.
+	(expand_block_move): Likewise.
+	(function_arg): Make the loop counter unsigned to match the
+	boundary condition.
+
+2000-04-16  Richard Henderson  <rth@cygnus.com>
+
+	* rtl.h (enum insn_note): New enumeration.  Subsume
+	NOTE_INSN_DELETED and friends.
+	(GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
+	* rtl.c (note_insn_name): Tweak string order.
+
+2000-04-15  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
+	to offset * 2.
+
+	* cpplex.c (output_line_command): Remove debugging prints.
+	(cpp_output_tokens): Don't write out a zero-length buffer or
+	try to see if it has a newline in it.
+	(_cpp_expand_to_buffer): Copy the source buffer before pushing.
+	(_cpp_read_and_prescan): Move shift-down of pushback bytes to
+	the end of the loop.  Use memmove.  Don't read past the end of
+	the buffer.  Remove trailing newlines from error messages.
+
+2004-04-16  Neil Booth  <NeilB@earthling.net>
+
+	* cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
+	* cpplib.c: Add new syntax flags to directive table, and
+	supporting macros.
+
+2000-04-15  Ulrich Drepper  <drepper@redhat.com>
+
+	* i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
+	using ret $N.
+
+2000-04-15  David Edelsohn  <edelsohn@gnu.org>
+
+	* toplev.c (display_help): Prefix "f" to "sched-verbose=".
+	* haifa-sched.c: Update -fsched-verbose comments to use "=".
+
+Sat Apr 15 10:59:19 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* Makefile.in (ggc-page.o): Now includes toplev.h.
+	* ggc-page.c (toplev.h): Now included.
+	(gc_time): Remove declaration.
+	(ggc_collect): TIME now long.
+	* toplev.c (parse_time, varasm_time, gc_time): Still global; all
+	others static.
+	* toplev.h (gc_time, parse_time, gc_time): New declarations.
+
+	* toplev.c: Make *_time variable long to reduce chance of overflow.
+	(TIMEVAR): Likewise for `otime'.
+	(print_time): Arg is now long; compute percentage in FP and round.
+	* toplev.h (print_time): Arg is long.
+
+	* tree.c: Minor whitespace changes.
+
+	* configure.in (alpha*-*-*): Add config/alpha/t-alpha.
+	* configure: Rebuilt.
+	* libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
+	(__fixunsxfDI): Renamed from __fixunsxfdi.
+	(__fixunsdfDI): Renamed from __fixunsdfdi.
+	(__fixunssfDI): Renamed from __fixunssfdi.
+	(__floatdisf): Use proper type in REP_BIT macro.
+	(__fixunsxfSI): Renamed from __fixunsxfsi.
+	(__fixunsdfSI): Renamed from __fixunsdfsi.
+	(__fixunssfSI): Renamed from __fixunssfsi.
+	* libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
+	Change location of macros and upper-case some names as above.
+	* longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
+	* config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
+
+	* varasm.c (assemble_variable): Add cast to remove warning.
+	(immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
+
+	* flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
+	* optabs.c (emit_libcall_block): If have REG_EH_REGION, update
+	region number to -1.
+
+2000-04-15  Richard Earnshaw (rearnsah@arm.com)
+
+	* emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
+	call unshare_all_rtl.
+
+	* arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
+
+Fri Apr 14 16:58:45 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
+	Use .s1 not .s0 for all FP instructions.
+
+2000-04-14  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
+	interfaces.
+	(safe_fwrite, output_line_command): New static functions.
+	(cpp_expand_to_buffer): Now private to cpplib.
+	(cpp_scan_buffer): Take a printer.
+
+	* cpphash.h: Update prototypes.
+	* cpplib.h: Update prototypes.
+	(cpp_printer): New.
+	(cpp_buffer): Remove last_nominal_fname.
+	(cpp_reader): Remove lineno.
+
+	* cppmain.c: Use a cpp_printer.
+	* fix-header.c: No need to inhibit line commands.  Call
+	cpp_start_read with no printer.
+
+	* cpperror.c (cpp_notice_from_errno): Provide default name.
+	* cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
+	(find_include_file, cpp_read_file): Use make_IHASH.
+	(file_cleanup): Set control_macro and clear
+	input_stack_listing_current here.
+	(_cpp_execute_include): Don't output entering-file marker.
+	* cpphash.c (special_symbol): Look for the line number in the
+	buffer, not the reader.
+	(_cpp_macroexpand): No need to disable line commands.
+	(_cpp_dump_definition): No need to generate line commands.
+	(dump_hash_helper): Remove excess newline from output.
+	* cppinit.c (dump_special_to_buffer): No need to generate line
+	commands.
+	(cpp_printer_init): New.
+	(cpp_start_read): Take a printer, and start it up if it's not
+	NULL.  No need to generate line commands.
+	(cpp_finish): Expect no buffers stacked at all.  Take a
+	printer argument, and flush the output buffer if it's not
+	NULL.
+	* cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
+	Don't put two hashes at the beginning of an assertion.
+	(cpp_get_token): Don't increment pfile->lineno or emit line
+	commands here.  Return EOF if there's no buffer when we get
+	EOF.
+	* cpplib.c (do_define, skip_if_group):
+	No need to disable line commands.
+	(_cpp_output_line_command): Delete function.
+	(do_line): Don't emit line commands here, but set things up so
+	they will be emitted if necessary.  Use _cpp_fake_ihash to
+	make unique nominal_fnames if necessary.
+	(do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
+	with 0 for column, not -1.
+	(_cpp_handle_eof): Don't set the control macro here.  Don't
+	clear input_stack_listing_current here.  Don't emit line
+	commands.
+
+2000-04-14  Geoff Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
+	always, use the default SVR4 start address.
+
+	* config/rs6000/linux.h (LINK_SPEC): Don't define.
+	(LINK_SHLIB_SPEC): Define.
+	(LINK_START_DEFAULT_SPEC): Define.
+	(LINK_OS_DEFAULT_SPEC): Define.
+
+	* config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
+
+	* config/rs6000/eabi.asm (__eabi): Call __init rather than
+	__do_global_ctors to handle constructors.
+	* config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
+	(STARTFILE_YELLOWKNIFE_SPEC): Likewise.
+	(STARTFILE_MVME_SPEC): Likewise.
+	(STARTFILE_SIM_SPEC): Likewise.
+	(ENDFILE_ADS_SPEC): Use crtend.
+	(ENDFILE_YELLOWKNIFE_SPEC): Likewise.
+	(ENDFILE_MVME_SPEC): Likewise.
+	(ENDFILE_SIM_SPEC): Likewise.
+	(STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
+	(ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
+	(STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
+	(ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
+	* config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
+	(EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
+	(CRTSTUFF_T_CFLAGS_S): Define.
+	* config/rs6000/eabi-ctors.c: Delete.
+
+	* config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
+	boundary.
+	(__fini): Likewise.
+	* config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
+	boundary.
+	(__fini): Likewise.
+
+Fri Apr 14 16:09:02 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
+	plus mask size is smaller or equal to the mode size.
+
+Fri Apr 14 18:07:30 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
+	not yet set.
+
+	* expr.c (reload.h): Now included.
+	(emit_block_move): Set volatile_ok when checking for movstr.
+	(emit_move_1): Check for replacements in addresses in multi-word case.
+	* Makefile.in (expr.o): Now includes reload.h.
+
+	* flow.c (count_basic_blocks): Remove unused var PREV_CALL.
+	Never have a LIBCALL end a basic block.
+	(find_basic_blocks_1): Likewise.
+	Reorganize CALL_INSN cases.
+
+	* sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
+
+Fri Apr 14 10:54:22 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
+	completers from mov.ret instruction.
+
+2000-04-14  Richard Henderson  <rth@cygnus.com>
+
+	* fold-const.c (extract_muldiv): Don't distribute and widen
+	multiply across plus for non-sizetype unsigned types.
+
+2000-04-14  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (find_auto_inc): Don't autoinc eliminable registers.
+	If the original source is dead in the incr insn, it's dead now.
+
+Fri Apr 14 07:40:32 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
+	see if DECL_BIT_FIELD needs to still be set.
+
+	* tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
+
+	* dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
+	print_int_cst_octal with something that's not an INTEGER_CST.
+
+	* config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
+	and not a SUBREG to a FLOAT rtl.
+
+Thu Apr 13 19:39:56 2000  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* emit-rtl.c (try_split): Avoid infinite loop if the split
+	results in a sequence that contains the original insn.
+
+2000-04-13  Andreas Jaeger  <aj@suse.de>
+
+	* config/mips/mips.c (expand_block_move): Pass alignment
+	argument to move_by_pieces in bits, not bytes.
+
+	* config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
+	__pic__ for little endian.
+
+2000-04-13  Andreas Jaeger  <aj@suse.de>
+
+	* config/i386/i386-protos.h: Add prototype for
+	uno_comparison_operator.
+
+Thu Apr 13 15:55:08 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
+	* calls.c (ECF_PURE): New flag.
+	(emit_call_1): Handle ECF_PURE calls.
+	(initialize_argument_information): Unset ECF_PURE flag too.
+	(precompute_arguments): Precompute for ECF_PURE too.
+	(expand_call): Handle ECF_PURE calls too.
+	(emit_library_call_value_1): Rename no_queue argument to fn_type,
+	accept value of 2 as pure function.
+	(emit_library_call_value, emit_library_call): Rename no_queue argument
+	to fn_type.
+	* optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
+
+	* tree.h (DECL_IS_PURE): New macro.
+	(struct tree_decl): Add pure_flag.
+	* c-common.c (enum attrs): Add attribute "pure".
+	(init_attributes): Initialize attribute "pure"
+	(decl_attributes): Handle attribute "pure".
+	* extend.texi (Attribute "pure"): Document.
+	* calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
+	in pure function.
+	(flags_from_decl_or_type): Support attribute "pure".
+
+2000-04-13  Jason Merrill  <jason@casey.cygnus.com>
+
+	* cpplex.c (_cpp_lex_token): Handle digraphs.  Don't null-terminate
+	the token except for numbers and identifiers.
+
+Thu Apr 13 00:09:16 EDT 2000  John Wehle  (john@feith.com)
+
+	* i386.c (ix86_expand_binary_operator,
+	ix86_expand_unary_operator): Check no_new_pseudos
+	instead of reload_in_progress and reload_completed.
+	(ix86_split_ashldi, ix86_split_ashrdi,
+	ix86_split_lshrdi): Check no_new_pseudos instead
+	of reload_completed.
+
+2000-04-12  Jeffrey A Law  (law@cygnus.com)
+
+	* function.c (purge_addressof): Unshare any shared rtl created by
+	purge_addressof and its children.
+
+2000-04-12  Mark Mitchell  <mark@codesourcery.com>
+
+	* function.c (aggregate_value_p): VOID_TYPE nodes are never
+	aggregates.
+
+2000-04-05  Andreas Jaeger  <aj@suse.de>
+
+	* config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
+	not compiling PIC code, add flags for mabi=64.
+	(SUBTARGET_CPP_SIZE_SPEC): New.
+	(SUBTARGET_CPP_SPEC): New.
+	(CPP_PREDEFINES): Define __PIC__ and __pic__.  PIC code is default
+	for MIPS/Linux and lots of code needs these defines.
+
+Wed Apr 12 22:44:11 2000  Hans-Peter Nilsson  <hp@axis.com>
+
+	* reorg.c (fill_slots_from_thread): Check side_effects_p when
+	trying the "opposite arithmetic" approach.
+
+Wed Apr 12 20:51:20 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
+	(struct sh_args): Add new field force_mem.
+	(INIT_CUMULATIVE_ARGS): Initialize it.
+	(FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
+
+Wed Apr 12 17:20:41 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* calls.c (expand_call): Do not reverse args in "equal from" field.
+	(emit_library_call_value_1): Emit_libcall_block for const and pure
+	function.
+
+Wed Apr 12 16:00:25 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* reload1.c (reload_combine): Don't enable optimization for fixed
+	registers when encountering a BARRIER.
+
+Wed Apr 12 15:54:11 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* builtins.c (expand_builtin_memcmp): Do expansion even with
+	!HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
+
+	* calls.c (expand_call): Do NO_DEFER_POP unconditionally once
+	stack is propertly aligned; add sanity checking for aligned
+	stack pointer.
+	(expand_library_call_value_1): Add sanity checking for aligned
+	stack pointer.
+
+Wed Apr 12 07:51:54 2000  Catherine Moore  <clm@cygnus.com>
+
+	* calls.c (emit_library_call_value_1): Change 3rd arg to
+	locate_and_pad_parm to disregard the setting of partial.
+
+Wed Apr 12 08:47:38 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
+
+	* print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
+	CALL_INSN from the normal case.
+
+Fri Apr  7 12:23:04 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
+	New global variables.
+	(ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
+	adjustment.
+	* i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
+	Declare,
+	(TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
+	 TARGET_ADD_ESP_8): New macros.
+	* i386.md: Add peep2s to convert esp adjustments to push and pop
+	instructions.
+	(pushsi_prologue, popsi_epilogue): New patterns.
+
+2000-04-12  Jakub Jelinek  <jakub@redhat.com>
+
+	* real.c (toe64): Remove stale #endif from the last change.
+
+2000-04-12  Stephen L Moshier  <moshier@mediaone.net>
+
+	* real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
+	* real.c (toe64): Revert previous change.
+
+2000-04-12  Jakub Jelinek  <jakub@redhat.com>
+
+	* objc/objc-act.c: Include ggc.h.
+	(objc_tree_index, objc_global_trees): Convert most of the
+	static tree variables into a static array with previous names
+	as defines.
+	(objc_ellipsis_node): New variable.
+	(lang_init): Call objc_act_parse_init and c_parse_init.
+	Create objc_ellipsis_node.
+	(build_selector_translation_table): Use objc_ellipsis_node instead
+	of (tree)1.
+	(hack_method_prototype): Likewise.
+	(get_arg_type_list): Likewise.
+	(start_method_def): Likewise.
+	(continue_method_def): Likewise.
+	(gen_method_decl): Likewise.
+	(ggc_mark_imp_list): New function.
+	(ggc_mark_hash_table): New function.
+	(objc_act_parse_init): New function.
+	* objc/objc-act.h (objc_ellipsis_node): Add extern variable.
+	* c-parse.in (c_parse_init): For objc add roots of objc specific
+	local tree variables.
+	* objc/objc-parse.y: Rebuilt.
+	* objc/objc-parse.c: Rebuilt.
+	(opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
+
+Wed Apr 12 01:00:44 EDT 2000  John Wehle  (john@feith.com)
+
+	* cse.c (delete_trivially_dead_insns): Also delete insns
+	that copy a register to itself where the destination is
+	a strict_low_part.
+
+2000-04-11  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (struct propagate_block_info): Add new_dead, new_live.
+	(propagate_block): Initialize them.  Use them in parallel instead
+	of one tmp variable, ie revert much of the 0408 and 0407 functional
+	changes, but keep the structural changes.
+	(mark_set_regs): Take new_dead from propagate_block_info instead.
+	(mark_set_1, mark_set_reg): Likewise.
+	(mark_used_regs): Likewise with new_live.
+	(mark_used_reg): Likewise.  Revert 0408 change.
+
+2000-04-11  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
+	restriction.
+	(DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
+
+2000-04-11  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* config/elfos.h (SELECT_SECTION): Decide whether to use a data or
+	const section to output a CONSTRUCTOR based on the same conditions
+	used for VAR_DECLs.
+
+Tue Apr 11 09:55:59 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
+	* pa/pa-protos.h (output_call): Add additional argument indicating
+	if the call is a sibling/tail call.
+	(compute_zdepdi_operands, output_64bit_and): Prototype new functions.
+	(compute_64bit_ior, cmpib_comparison_operator): Likewise.
+	(function_arg, function_arg_partial_nregs): Likewise
+	* pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
+	(emit_move_sequence): Zero extend certain constants as needed
+	for TARGET_64BIT.
+	(compute_zdepdi_operands, output_64bit_and): New functions.
+	(output_64bit_ior, function_arg): Likewise.
+	(cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
+	(compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
+	(hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
+	(hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
+	(output_bvb): Likewise.
+	(output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
+	(output_call): New argument 'sibcall'.  Generate sibcall sequences
+	as needed.
+	(print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT.  For
+	(ouput_arg_descriptor): Do not emit argument descriptors for
+	TARGET_64BIT.
+	* pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
+	defined.
+	(TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
+	(FUNCTION_OK_FOR_SIBALL): Define.
+	(CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
+	(CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
+	(CPP_SPEC): Use new spec infrastructure.
+	(BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
+	(STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
+	(RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
+	(REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
+	(STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
+	(FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
+	(TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
+	(INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
+	(CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
+	(FUNCTION_ARG); Call out to C code.
+	(FUNCTION_ARG_PARTIAL_NREGS): Likewise.
+	(MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
+	(MIN_UNITS_PER_WORD): Likewise.
+	* pa/pa.md (cmpdi): New expander.
+	(scc patterns, movstrsi): Not available for TARGET_64BIT.
+	(64bit conditional arithmetic): New patterns.
+	(absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
+	(movsicc): Not available if modes on all the operands to not match.
+	(movdicc): New expander and associated patterns.
+	(64bit branches): New patterns.
+	(pre_load, post_store): Generate appropriate code for TARGET_64BIT.
+	(pre_ldd, post_std): New patterns.
+	(64bit addil, load low part): New patterns.
+	(special movsf constant): Not available for TARGET_64BIT.
+	(movsf, movdf expanders): Force constants into memory.
+	(32bit movdf/movdi patterns): Disable for TARGET_64BIT.
+	(64bit movdf/movdi patterns): New patterns.
+	(zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
+	for TARGET_64BIT.
+	(extendqidi2, extendhidi2, extendsidi2): Similarly.
+	(adddi3 expander): Allow "arith_operand" for second input.
+	(32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
+	(64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
+	(mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
+	(muldi3): New expander for TARGET_64BIT.
+	(divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
+	for TARGET_64BIT.
+	(32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
+	patterns for TARGET_64BIT.
+	(64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
+	patterns for TARGET_64BIT.
+	(64bit bit insertion/extractions): New patterns for TARGET_64BIT.
+	(64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
+	(sibcall_epilogue): New expander.
+	(casesi): Tweak for TARGET_64BIT.
+	(call expanders): Set & use the outgoing argument pointer.  Use the
+	64bit call patterns as needed. Add additional arg to output_call.
+	(call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
+	(sibcall, sibcall_internal_symref): New expanders.
+	(sibcall_value, sibcall_value_internal_symref
+	(interspace_jump): Turn into an expander + matching patterns.
+	(canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
+	* pa/pa64-regs.h: Eliminate trigraph sequences.
+	* pa/pa64-start.h (TARGET_PA_20): Fix typo.
+
+2000-04-11  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
+	cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
+	cpp_token with cpp_ttype everywhere.
+	* cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
+	Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
+	CPP_BUF_COL.  Line and column numbers are unsigned int, not
+	long.
+	* cpplex.c (cpp_buf_line_and_col): Delete.
+	* cpplib.h (struct cpp_buffer, struct cpp_reader): Change
+	'long lineno' to 'unsigned int lineno'.
+	(CPP_BUF_LINE, CPP_BUF_COL): New macros.
+
+2000-04-11  Martin v. Löwis  <loewis@informatik.hu-berlin.de>
+
+	* extend.texi: ISO C99 is not a draft anymore.
+	* invoke.texi: ISO C++ is not a draft anymore.
+	* cpp.texi: __cplusplus is required by the ISO standard.
+
+	* extend.texi (-fthis-is-variable): Undocument.
+	* flags.h (warn_template_debugging): Remove declaration.
+	* gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
+	-Wenum-clash, -Wtemplate-debugging): Undocument.
+
+2000-04-10  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
+	integer.
+	(HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
+	integer.
+	(ARM_SIGN_EXTEND): Use HOST_UINT.
+	(STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
+	(ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
+	(INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
+	(DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
+
+	* config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
+	(arm_gen_constant): Use HOST_UINT.
+	(arm_canonicalize_constant): Use HOST_UINT.
+	(arm_reload_in_hi): Use HOST_UINT.
+	(arm_reload_out_hi): Use HOST_UINT.
+	(output_multi_immediate): Use HOST_UINT.
+	(int_log2): Use HOST_UINT.
+	(arm_poke_function_name): Use HOST_UINT.
+	(arm_output_epilogue): Use arm_volatile_func().
+	(output_thumb_prologue): Use arm_strip_name_encoding().
+
+Mon Apr 10 15:40:59 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
+	of sequence point problems.
+
+2000-04-10  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
+	Recomment.
+	* tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
+
+Mon Apr 10 07:21:13 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* sbitmap.h: Whitespace changes and use upper-case macro args.
+	(struct simple_bitmap_def): All sizes now unsigned.
+	(EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
+	* sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
+	(sbitmap_vector_alloc): Parms and local vars now unsigned.
+	(sbitmap_zero): Cast bzero arg to PTR.
+	(sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
+	(sbitmap_union_of_diffs): Change loop index to unsigned and rework
+	loop to make structure clearer.
+	(sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
+	(sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
+	(sbitmap_a_and_b_or_c): Likewise.
+	(sbitmap_intersection_of_succs): Minor cleanups.
+	(sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
+	(sbitmap_union_of_preds): Likewise.
+	(sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
+	(debug_sbitmap): New function.
+
+	* c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
+	* c-typeck.c (convert_for_assignment): Likewise.
+
+	* expmed.c (init_expmed): Don't free objects we make.
+	* emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
+
+	* expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
+	(expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
+
+	* gcse.c (expr_hash_table_size): Now unsigned.
+	(compute_ae_gen): Local variable `i' now unsigned.
+	(compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
+	(compute_transout, hoist_code): Likewise.
+	(compute_local_properties): Likewise, also hash_table_size.
+	(alloc_expr_hash_table): N_INSNS now unsigned.
+	(delete_null_pointer_checks): Mark arg F as unused.
+
+	* regrename.c: Minor cleanups, including chang some variables
+	to unsigned int.
+
+2000-04-10  Neil Booth  <NeilB@earthling.net>
+
+	* cpplex.c (skip_block_comment): Use pointer arithmetic rather
+	than GETC ().
+	* cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
+
+2000-04-10  Martin v. Löwis  <loewis@informatik.hu-berlin.de>
+
+	* invoke.texi (-fno-gnu-keywords): Remove classof, headof,
+	__classof__, and __headof__ from the list of gnu keywords.
+	(-ansi): Remove -foperator-names from list of implied options.
+	Do not call it ANSI C++.
+	(-foperator-names): Document as -fno-operator-names.
+
+2000-04-09  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (timestamp): Delete.
+	(del_HASHNODE): If type is T_MCONST, free value.cpval.
+	(special_symbol): Remove unnecessary braces.  Remove
+	T_VERSION.  Treat T_STDC like T_CONST unless
+	STDC_0_IN_SYSTEM_HEADERS.  Render both __DATE__ and __TIME__
+	when one is encountered, then convert them into T_MCONST
+	nodes.
+	* cppinit.c (builtin_array): version_string is T_MCONST.
+	__STDC__ has a "1" in its cpval.  Don't have a terminator
+	entry.  Clean up which entries are dumped.
+	(initialize_builtins): Only __STDC__ gets the special
+	-traditional treatment.  Count the length of builtin_array.
+	Render version_string here.
+	* cpphash.h: Remove T_VERSION.  Add T_MCONST.
+	* cpplib.h (struct cpp_reader): Remove timebuf.
+
+2000-04-09  Richard Henderson  <rth@cygnus.com>
+
+	* genrecog.c (pred): Update comparison_operator for the unordered
+	operators.
+
+	* config/i386/i386.c (no_comparison_operator): Disallow unordered
+	operators.
+	(fcmov_comparison_operator): Allow UNORDERED/ORDERED.
+	(uno_comparison_operator): New.
+	(put_condition_code): Handle UNORDERED/ORDERED.
+	(unsigned_comparison): Likewise.
+	(ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
+	(ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
+	(ix86_expand_fp_compare): Use them.  Take scratch as argument,
+	update all callers.  Handle all 8 unordered operators.
+	(ix86_expand_setcc): Lose the unordered argument, update all callers.
+	(ix86_expand_branch): Likewise.  Don't fully expand fp branches.
+	* config/i386/i386.h (PREDICATE_CODES): Update.
+	* config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
+	(ix86_expand_branch, ix86_expand_setcc): Update.
+	* config/i386/i386.md (sunordered, sordered): New.
+	(suneq, sunge, sungt, sunle, sunlt, sltgt): New.
+	(bunordered, bordered): New.
+	(buneq, bunge, bungt, bunle, bunlt, bltgt): New.
+	(*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
+	(*fp_jcc_5, *fp_jcc_6, and splitters): New.
+
+2000-04-09  Philip Blundell  <philb@gnu.org>
+
+	* config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
+
+Sun Apr  9 15:16:14 EDT 2000  John Wehle  (john@feith.com)
+
+	* i386.md (fix_truncsfhi2, fix_truncdfhi2,
+	fix_truncxfhi2): New patterns.
+	* i386.c (output_fix_trunc): Handle converting to HImode.
+
+2000-04-08  Alex Samuel  <samuel@codesourcery.com>
+
+	* ssa.c (convert_to_ssa): Eliminate dead code when calling
+	life_analysis.
+	(convert_from_ssa): Call compute_bb_for_insn before life_analysis.
+	(for_each_successor_phi): Change parameter to basic_block.
+	(coalesce_regs_in_successor_phi_nodes): Likewise.
+	(coalesce_regs_in_copies): Likewise.
+	(compute_coalesced_reg_partition): Use basic_block instead of index.
+	* rtl.h (convert_to_ssa): Delete.
+	(convert_from_ssa): Likewise.
+	(successor_phi_fn): Likewise.
+	(for_each_successor_phi): Likewise.
+	(in_ssa_form): Likewise.
+	* basic-block.h (convert_to_ssa): Moved from rtl.h.
+	(convert_from_ssa): Likewise.
+	(successor_phi_fn): Likewise.
+	(in_ssa_form): Likewise.
+	(for_each_successor_phi): Likewise.  Change parameter to basic_block.
+	* flow.c (calculate_global_regs_live): Pass a basic_block to
+	for_each_successor_phi.
+
+2000-04-08  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (mark_used_reg): Use reg_set_p to determine if a register
+	was modified in the current insn.
+
+2000-04-08  Richard Earnshaw (rearnsha@arm.com)
+
+	* arm/thumb.md: Delete.
+	* arm/thumb-protos.h: Delete.
+
+2000-04-08  Richard Earnshaw (rearnsha@arm.com)
+
+	Merge changes from merged-arm-thumb-backend-branch onto trunk.
+
+	2000-04-08  Richard Earnshaw (rearnsha@arm.com)
+
+	* Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
+	into branch.
+
+	* arm.md (nop): Use the standard RTL expression.  Don't code as a
+	define_expand.
+	(*arm_nop, *thumb_nop): Delete.
+
+	* arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
+	constants.  Use casts instead.
+	(arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
+	output_multi_immediate, arm_poke_function_name): Likewise.
+	* arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
+	MASK_RETURN_ADDDR): Likewise.
+
+	2000-03-31  Richard Earnshaw (rearnsha@arm.com)
+
+	* Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
+	into branch.
+
+	* arm.md (eh_epilogue): New function.
+	* arm.h (struct machine_function): Move to here ...
+	* arm.c: ... from here.
+	(arm_output_epilogue): Support epilogues for __builtin_eh_return.
+	(thumb_exit): Extra parameter eh_ofs.  All callers changed.
+	Handle epilogues for __builtin_eh_return.  Make bit-fields unsigned.
+
+	2000-03-30  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/semi.h (ASM_SPEC): Restore definition.
+	(SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
+
+	* config/arm/elf.h (ASM_SPEC): Restore definition.
+	(SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
+
+	* config/arm/arm.h (ASM_SPEC): Remove definition.
+	(SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
+
+	2000-03-26  Bernd Schmidt <bernds@cygnus.co.uk>
+
+	* config/arm/arm.c: Disable -fschedule-insns for Thumb.
+
+	2000-03-24  Nick Clifton  <nickc@cygnus.com>
+
+	Various formating tidyups, elimination of compile time
+	warnings and synchronisation with internal sources:
+
+	* config/arm/arm-protos.h (assemble_align): Add prototype.
+	(gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
+	(gen_comapre_reg): Rename to arm_gen_compare_reg.
+	(arm_return_addr_rtx): Rename to arm_return_addr.
+
+	* config/arm/arm.c: Include except.h.
+	Define shorter typenames for strict minipool_node and struct
+	minipool_fix.
+	(arm_return_in_memory): For WinCE return all structures <= 32 bits
+	in memory.
+	(gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
+	(gen_comapre_reg): Rename to arm_gen_compare_reg.
+
+	* config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
+	already defined.
+	(ASM_SPEC): Define if not already defined.
+	(ASM_OUTPUT_DEF_FROM_DECLS): Define.
+
+	* config/arm/arm.md: Rename references to gen_rotated_half_load to
+	arm_gen_rotated_half_load, and references to gen_comapre_reg to
+	arm_gen_compare_reg.
+	(indirect_jump):  Only accept register operands.
+	(load_indirect_jump): Keep this pattern since combine can generate
+	it.
+
+	* config/arm/coff.h: Include aout.h.
+	(MULTILIB_DEFAULTS): Only define if not already defined.
+
+	* config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
+	into arm.h (so that COFF ports can support thumb based aliases).
+	(ASM_SPEC): Move definition into arm.h
+
+	* config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
+	redundant apcs spec.
+	(ASM_SPEC): Move definition to arm.h
+
+	* config/arm/semi.h (ASM_SPEC): Move definition to arm.h
+
+	* config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
+	for entries in the .bss section
+
+	2000-03-23  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
+	to thumb_far_jump_used_p.
+
+	* config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
+	single integer parameter.
+
+	* config/arm/arm.c (struct machine_function): Add two new
+	fields, 'far_jump_used' and 'arg_pointer_live'.
+	(thumb_far_jump_used_p): Once the decision has been made that
+	far jumps might be used, always return true.
+	If being called from the initial elimination offset macro then
+	do not bother to perform the test if the arg pointer is not
+	being used.
+	(thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
+	(output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
+
+	2000-03-23  Richard Earnshaw (rearnsha@arm.com)
+
+	* arm.c (output_return_instruction): Handle more cases where we can
+	return from a function with an ldr instruction.
+	(arm_output_epilogue): Likewise.
+
+	* arm.c (thumb_expand_prologue): Don't clobber the frame pointer
+	if we need to push a large stack frame and there are no callee-saved
+	registers.
+
+	* arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
+	in ARM code if the frame pointer has been eliminated.
+
+	* arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
+	unspec_volatile arguments to avoid duplicates.
+	(consttable_1, consttable_2): Fixes for big-endian mode.
+
+	* arm.md (all ARM-mode load insns): Add neg_pool_range attribute
+	as appropriate.
+
+	Re-write constant pool code.
+	* arm.c (minipool_node, minipool_fix): New types.
+	(minifix): Delete type.
+	(arm_add_minipool_constant): Delete.
+	(arm_compute_minipool_offsets, arm_find_barrier,
+	arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
+	(get_jump_table_size): Now returns HOST_WIDE_INT.
+	(move_minipool_fix_forward_ref, add_minipool_forward_ref): New
+	functions.
+	(move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
+	(assign_minipool_offsets, arm_print_value): Likewise.
+	(dump_minipool): Rewrite.
+	(arm_barrier_cost): New function.
+	(create_fix_barrier): New function.
+	(push_minipool_barrier): New function.
+	(push_minipool_fix): Record additional information about the fixup
+	required.
+	(note_invalid_constants): Remove push for (UNSPEC 3).  Don't
+	check the mode of what needs fixing.
+	(arm_reorg): Rewrite.
+
+	2000-03-08  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.md (indirect_jump): Force constant addresses into
+	a register.
+
+	2000-03-01  Bernd Schmidt <bernds@cygnus.co.uk>
+
+	* config/arm/arm.md: Add splitter to turn SF moves into SI moves.
+
+	2000-02-24  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.c (thumb_expand_prologue): Make sure that stack
+	adjust is word aligned.
+	(thumb_expand_epilogue): Make sure that stack adjust is word
+	aligned.
+
+	* config/arm/elf.h (ASM_FILE_START): Fix type of version string.
+
+	2000-02-24  Bernd Schmidt <bernds@cygnus.com>
+
+	* config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
+	pointer relative addresses.
+
+	2000-02-10  Richard Earnshaw  <rearnsha@arm.com>
+
+	* arm.c (find_barrier): Find the last barrier within the allowed
+	range.
+
+	2000-02-09  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm-protos.h: Replace PROTO with PARAMS.
+
+	2000-02-09  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
+	ARM_FUNCTION_PROFILER.
+
+	* config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
+	ARM_FUNCTION_PROFILER.
+
+	* config/arm/linux-oldld.h: Imported from mainline sources.
+
+	2000-02-07  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/lib1funcs.asm: Merge in thumb functions from
+	lib1thumb.asm.
+
+	* config/arm/lib1thumb.asm: Delete.
+
+	2000-02-04  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.c: Sychronised with current Red hat local
+	sources.
+	* config/arm/arm.h: Ditto.
+	* config/arm/arm-protos.h: Ditto.
+
+	2000-02-02  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* arm.c (soft_df_operand): Reject SUBREGs containing a constant.
+
+	* arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
+	byte stores.
+
+	2000-02-02  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/thumb.c (thumb_exit): Additional fix for same bug.
+
+	* config/arm/arm.md (epilogue): Fix rtl checking abort because
+	(return) was emited using an emit_insn() call.
+
+	2000-01-31  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.c (output_thumb_prologue): Fix bug generating
+	thumb stack frame.
+	(thumb_exit): Move frame pointer back into hard frame pointer
+	register if backtracing is being used.
+
+	2000-01-13  Richard Earnshaw (rearnsha@arm.com)
+
+	* Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
+	into branch.
+
+	1999-12-15  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* config/arm/arm.md (neg_pool_offset): Provide default for new
+	attribute.
+	(arm_movsi_insn): Add neg_pool_offset attribute.
+	* config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
+	rtx for the insn that starts the scan and an unsigned long for its
+	address.  Add MIN_OFFSET and PINSERTED args.  All callers changed.
+	Change scan to ignore insns before MIN_OFFSET.  Store size of inserted
+	instructions in *PINSERTED.
+	(struct minipool_fixup): Add MIN_ADDRESS elt.
+	(sort_fixups): Compute it.
+	(arm_reorg): Changes to support inserting pools before the insn to be
+	fixed up.
+
+	1999-12-08  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
+	* config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
+	* config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
+
+	Wed Nov  3 10:04:07 1999  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/semi.h (TARGET_VERSION): Do not define if already
+	defined.
+	(TARGET_DEFAULT): Do not define if already defined.
+
+	Tue Nov  2 10:37:25 1999  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.md (anddi3): Allow disjoint source operands.
+	(iordi3): Allow disjoint source operands.
+	(xordi3): Allow disjoint source operands.
+	(negdi2): Permit construction for ARM and Thumb.
+	(arm_negdi2): Renamed version of old negdi2 pattern.
+	(thumb_negdi2): New pattern: Only permit non-overlapping
+	source and destination.
+
+	Fri Oct 29 18:52:38 1999  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
+	scratch low register so that it will not be deleted.
+
+	Fri Oct 29 15:23:48 1999  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/pe.h (ARM_PE): Define.
+
+	* config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
+	interfacearm attribute if this is a PE toolchain.
+	(output_return_instruction): Do not emit anything if the function
+	has the naked attribute set.
+	(is_called_in_ARM_mode): If the function has the interfacearm
+	attribute then return true.
+	(thumb_expand_prologue): Do not generate a prologue for naked
+	functions.
+	(thumb_expand_epilogue): Do not generate an epilogie for a naked
+	function.
+	(output_thumb_prologue): Do not bother if the function is naked.
+	Strip PE encoding from function name before emitting.
+
+	Thu Oct 28 11:05:13 1999  Richard Earnshaw <rearnsha@arm.com>
+
+	* arm.md (pic_load_addr): Fix constraints.
+
+	* arm.md (casesi_insn): Fix mis-applied patch.
+
+	* arm.md ("core" function unit): Add rules for single- and
+	multi-cycle insns.
+	(All TARGET_THUMB patterns): Add "type" attribute information
+	where needed.
+	* arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
+	the following insn is a CALL.
+
+	* arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
+	pointer.
+	* arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
+	ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
+	(FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
+
+	Wed Oct 27 14:40:48 1999  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/linux-gas.h: oops - this file was missed out when the
+	branch was created...
+
+	Tue Oct 26 17:07:38 1999  Richard Earnshaw <rearnsha@arm.com>
+
+	* thumb.c: Deleted.  Move contents to ...
+	* arm.c: ... here.
+	* t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
+	rule for thumb.o
+	* configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
+	* configure: Regen.
+
+	* arm-protos.h: Use RTX_CODE and tidy up long lines.  Don't
+	declare a prototype for asm_output_align();
+
+	* arm.c (thumb_condition_code): Delete.
+	(arm_print_operand): Always use arm_condition_code array.
+
+	* arm.c (thumb_return_addr_rtx): Delete.
+	(arm_save_machine_status, arm_restore_machine_status): Delete.
+	(arm_init_machine_status, arm_mark_machine_status): New functions.
+	(arm_init_expanders): Update accordingly.
+	(arm_return_addr): Renamed from arm_return_addr_rtx.  Rewrite.
+	(thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
+	* arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
+
+	Tue Oct 26 13:24:16 1999  Nick Clifton  <nickc@cygnus.com>
+
+	* configure.in : Fix arm-*-aout target to use new t-arm-aout
+	script.
+	* config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
+	targets.
+
+	Tue Oct 26 11:27:12 1999  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/thumb.c (output_thumb_prologue): Fix bug creating
+	stack backtrace structure.
+
+	* config/arm/arm-protos.h: Add prototypes for functions defined in
+	arm/pe.h.
+
+	* config/arm/arm.c (arm_override_options): Fix selection of
+	attributes of default processor.
+
+	* config/arm/coff.h: Delete needless #include.
+
+	* config/arm/pe.c: Delete unused code.
+
+	* config/arm/pe.h (CPP_DEFINES): Delete
+	(SUBTARGET_CPP_SPEC): Define.
+	(ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
+
+	* config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
+
+	Mon Oct 25 15:42:09 1999  Richard Earnshaw (rearnsha@arm.com)
+
+	* arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
+	updated.
+	(CAN_DEBUG_WITHOUT_FP): Define.
+	(FIXED_REGISTERS): Make r11 call-saved.
+	(CALL_USED_REGISTERS): Likewise.
+	(CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
+	(FRAME_POINTER_REQUIRED): Correct logic for determining when a
+	frame-pointer is required.
+	(TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
+	* arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
+	if the target normally needs a stack frame in non-leaf functions.
+	(use_return_insn): Correct logic for determining when a return
+	instruction can be used.
+	(output_return_instruction): Handle the frame-pointer register as
+	a normal register when not TARGET_APCS_FRAME.
+	(arm_output_prologue): Likewise.
+	(arm_output_epilogue): Likewise.
+	(output_func_epilogue): Likewise.
+	(arm_expand_prologue): Likewise.
+	* netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
+
+	* arm.c (use_return_insn): No need to check floating point regs if
+	TARGET_SOFT_FLOAT.
+	(arm_find_minipool_constant): Correct typo; use GET_CODE to get
+	the code of value stored in the minipool array.
+	(arm_add_minipool_constant): Likewise.
+
+2000-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* basic-block.h (conflict_graph_enum_fn): K&R fix.
+
+2000-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* tree.c (tree_expr_nonnegative_p): New function.
+
+	* tree.h (tree_expr_nonnegative_p): Declare.
+
+	* c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
+	elide some sign_compare warnings.
+	(build_conditional_expr): Likewise.
+
+Sat Apr  8 00:21:51 EDT 2000  John Wehle  (john@feith.com)
+
+	* i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
+
+	* i386.md (floathisf2, floathidf2, floathixf2): New patterns.
+	* i386.c (print_operand): Use the proper suffix for a 387 HImode
+	operand.  Abort if a 387 operand has an unsupported size.
+
+2000-04-08  Neil Booth  <NeilB@earthling.net>
+
+	* cppexp.c (parse_charconst): Null does not end character
+	constants.
+	* cppinit.c (ISTABLE): Null character handled as whitespace.
+	* cpplex.c (null_warning):  new function.
+	(skip_string): Emit warning if nulls encountered.
+	(_cpp_skip_hspace): Emit warning if nulls encountered.
+	(_cpp_lex_token): Emit warning if nulls encountered.  Drop
+	them.
+	* cpp.texi: Update.
+
+2000-04-07  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (loop_depth): Remove.
+	(reg_next_use, cc0_live, mem_set_list): Replace with ...
+	(struct propagate_block_info): New.
+	(life_analysis): Don't allocate reg_next_use.
+	(propagate_block_delete_insn): Break out of propagate_block.
+	Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
+	(propagate_block_delete_libcall): Likewise.
+	(propagate_block): Create a propagate_block_info struct to pass
+	to subroutines.  Allocate one not two temporary regsets.  Don't
+	clobber memory for const calls.  Look for clobbers in
+	CALL_INSN_FUNCTION_USAGE.
+	(mark_set_regs): Recognize COND_EXEC.
+	(mark_set_reg): Break out of mark_set_1.
+	(mark_used_reg): Break out of mark_used_regs.
+	(mark_used_regs): Recognize COND_EXEC.
+	(insn_dead_p): Use propagate_block_info struct.
+	(libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
+	(find_auto_inc, try_pre_increment_1): Likewise.
+	(print_rtl_with_bb): Dump regs live at end too.
+	(count_reg_sets_1): Pass in loop_depth.
+	(count_reg_sets, count_reg_references): Likewise.
+	(recompute_reg_usage): Provide it.
+
+2000-04-07  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
+	not the raw files.
+
+2000-04-07  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.c (do_elif): Skip the rest of the line if we're
+	not going to bother evaluating it.
+	(skip_if_group): Clear pfile->only_seen_white.  Reorder loop
+	to avoid pointless calls to the lexer.
+
+Fri Apr  7 11:50:54 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
+
+2000-04-07  Jason Merrill  <jason@casey.cygnus.com>
+
+	* calls.c (expand_call): emit_queue if we're trying a sibcall.
+
+2000-04-07  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
+
+2000-04-06  Geoff Keating  <geoffk@cygnus.com>
+
+	* Makefile.in: Build crtbeginS and crtendS like crtbegin and
+	crtend so they can be multilibbed.
+	(STAGESTUFF): Remove s-crt and s-crtS.
+
+2000-04-07  Richard Henderson  <rth@cygnus.com>
+
+	* config/alpha/alpha.c (alpha_emit_conditional_move): Fail
+	if we discover we need a pseudo and no_new_pseudos is true.
+	* config/alpha/alpha.md (ne:DI insn): New.
+	(trunctfsf2, sne): Emit NE instead of non-canonical LTU.
+
+2000-04-07  Richard Henderson  <rth@cygnus.com>
+
+	* rtl.def (COND_EXEC): New.
+	* rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
+	* tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
+
+	* genconfig.c (have_cond_arith_flag): Remove.
+	(have_cond_exec_flag): New.
+	(walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
+	(main): Print HAVE_conditional_execution.
+
+	* haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
+	(sched_analyze_insn, print_pattern): Likewise.
+	* reload.c (find_equiv_reg): Likewise.
+	* rtlanal.c (reg_referenced_p): Likewise.
+	(note_stores, dead_or_set_regno_p): Likewise.
+	(reg_overlap_mentioned_p): Rewrite to use a switch.
+
+	* ggc.h (struct rtx_def): Forward declare.
+
+	* print-rtl.c (debug_rtx_range): New.
+	* rtl.h (debug_rtx_range): Declare.
+
+	* varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
+
+	* gcse.c (gcse_main): Don't rebuild the CFG here.
+	(delete_null_pointer_checks): Likewise.
+	* ssa.c (convert_to_ssa): Likewise.
+	* toplev.c (rest_of_compilation): Do it here instead.  Combine
+	sequential calls to TIMEVAR.  Consistently use `insns' instead of
+	`get_insns()'.  Always split insns after reload when optimizing.
+
+	* basic-block.h (merge_blocks_nomove): Declare.
+	(tidy_fallthru_edge): Declare.
+	* flow.c (merge_blocks_nomove): Document as merging into previous
+	blocks.  Remove cruft from between blocks; remove all edges out of A.
+	(tidy_fallthru_edge): Export.
+
+2000-04-06  Alex Samuel  <samuel@codesourcery.com>
+
+	* ssa.c (compute_conservative_reg_partition): Declare with
+	void arguments.
+	* toplev.c (clean_dump_file): Remove previously-deleted function
+	inadvertantly merged back in.
+	* conflict.c (conflict_graph_add): Use a single call to
+	htab_find_slot to look up and insert.
+
+2000-04-06  Richard Henderson  <rth@cygnus.com>
+
+	* genrecog.c (*): Rename _last_insn to last_insn.
+	(make_insn_sequence): Set the position of the peephole2 C test
+	to be at the last insn.
+
+2000-04-06  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (compute_flow_dominators): Free worklist.
+
+2000-04-06  Michael Matz  <matzmich@cs.tu-berlin.de>
+
+	* flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
+
+2000-04-06  Alex Samuel  <samuel@codesourcery.com>
+
+	* rtl.h (INSN_P): New macro.
+	(successor_phi_fn): New typedef.
+	(for_each_successor_phi): New prototype.
+	(in_ssa_form): New variable.
+	(PHI_NODE_P): Likewise.
+	* flow.c (calculate_global_regs_live): Add to new_live_at_end from
+	phi nodes in successors.
+	(mark_used_regs): Add PHI case.
+	(set_phi_alternative_reg): New function.
+	(life_analysis): Assert that dead code elimination is not selected
+	when in SSA form.
+	* toplev.c (to_ssa_time): New variable.
+	(from_ssa_time): Likewise.
+	(compile_file): Zero to_ssa_time and from_ssa_time.
+	Print time to convert to and from SSA.
+	(rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
+	(print_time): Compute percent fraction as integer.
+	* ssa.c (PHI_NODE_P): Moved to rtl.h.
+	(convert_to_ssa): Check if we're already in SSA.
+	Don't eliminate dead code in life_analysis.
+	Rerun flow and life analysis at bottom.
+	(eliminate_phi): Use canonical regnos when adding nodes.
+	(mark_reg_in_phi): New function.
+	(mark_phi_and_copy_regs): Likewise.
+	(convert_from_ssa): Rerun life analysis at top.
+	Use coalesced partition.
+	Check for removing a phi node at the end of the block.
+	(compute_coalesced_reg_partition): New function.
+	(coalesce_regs_in_copies): Likewise.
+	(coalesce_reg_in_phi): Likewise.
+	(coalesce_regs_in_sucessor_phi_nodes): Likewise.
+	(for_each_successor_phi): Likewise.
+	(rename_context): New struct.
+	(rename_block): Use a rename_context with rename_insn_1.  When
+	renaming sets of a subreg, emit a copy of the entire reg first.
+	(rename_insn_1): Treat data as a rename_context *.  Save current
+	insn in set_data.
+	(rename_set_data): Add field set_insn.
+	* Makefile.in (HASHTAB_H): Move up in file.
+	(OBSTACK_H): New macro.
+	(collect2.o): Use OBSTACK_H in dependencies.
+	(sdbout.o): Likewise.
+	(emit-rtl.o): Likewise.
+	(simplify-rtx.o): Likewise.
+	(fix-header.o): Likewise.
+	(OBJS):	Add conflict.o.
+	(conflict.o): New rule.
+	* basic-block.h: Include partition.h.
+	(conflict_graph): New typedef.
+	(conflict_graph_enum_fn): Likewise.
+	(conflict_graph_new): New prototype.
+	(conflict_graph_delete): Likewise.
+	(conflict_graph_add): Likewise.
+	(conflict_graph_conflict_p): Likewise.
+	(conflict_graph_enum): Likewise.
+	(conflict_graph_merge_regs): Likewise.
+	(conflict_graph_print): Likewise.
+	(conflict_graph_compute): Likewise.
+	* conflict.c: New file.
+
+2000-04-06  Jason Merrill  <jason@yorick.cygnus.com>
+
+	* tlink.c (read_repo_files): Don't look for .rpo info for
+	linker flags.
+
+Thu Apr  6 20:39:26 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
+
+Thu Apr  6 19:34:08 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* config/sh/lib1funcs.asm (___udivsi3_i4):
+	( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
+	only depends on FMOVD_WORKS.
+
+Thu Apr  6 19:11:47 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
+	make double constant 8-byte aligned.
+
+2000-04-06  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
+	movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
+	movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
+	(movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
+	Accept storing GENERAL_REGS into offsetable memory.
+	* config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
+	building a TFmode constant other than 0.0L into GENERAL_REGS.
+
+2000-04-06  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
+
+2000-04-06  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
+	(macro_cleanup): No need to cast pbuf->macro.
+	(collect_expansion): Use _cpp_get_define_token.  Goto done if
+	it returns VSPACE.  Remove check for trailing space after
+	CPP_COMMENT.
+	(_cpp_create_definition): Don't diddle flags here.  Return
+	directly on error.
+	(unsafe_chars): Handle c1 being EOF.
+	(push_macro_expansion): Use unsafe_chars for both accidental-paste
+	checks.  Don't push the buffer till after we're done with
+	them.
+	* cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
+	(PEEKN, FORWARD, GETC, PEEKC): Use them.
+	(cpp_push_buffer): Don't set new->alimit.  Set new->mark
+	appropriately.
+	(_cpp_parse_assertion): Don't NUL terminate.
+	(_cpp_lex_token): Fix -traditional macro handling.  Don't skip
+	hspace before calling _cpp_parse_assertion.  Remove all sets
+	of only_seen_white. Treat '\f' as hspace.  Don't do anything
+	special with '\n' here.
+	(maybe_macroexpand): Handle T_EMPTY hash entries without
+	pushing a buffer at all.
+	(cpp_get_token): Handle clearing only_seen_white here.  Handle
+	incrementing the line number here.  Clear
+	potential_control_macro as well as only_seen_white, if
+	appropriate.
+	(cpp_get_non_space_token): Don't eat CPP_POP tokens.
+	(_cpp_get_define_token): New function, basically like
+	_cpp_get_directive_token was but doesn't eat horizontal space.
+	Don't do anything with only_seen_white here.
+	(_cpp_get_directive_token): Just call _cpp_get_define_token
+	repeatedly till it returns non-hspace.
+
+	* cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
+	(conditional_skip, skip_if_group): Return int.
+	(DIRECTIVE_TABLE): Change origin of all conditional directives
+	to "COND".
+	(TRAD_DIRECT_P): New macro.
+	(_cpp_handle_directive): Use _cpp_get_directive_token.  Issue
+	an error for a bogus directive, unless -lang-asm.  Use
+	TRAD_DIRECT_P. Loop calling handler functions till one returns
+	zero.
+	(get_macro_name): Don't diddle flags here.
+	(do_define): Diddle flags here.  Use _cpp_get_directive_token.
+	Create T_EMPTY nodes for #define macro /* nothing */.
+	(do_undef): Don't copy the name.  Use _cpp_get_directive_token.
+	Use hp->name when calling pass_thru_directive.
+	(do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
+	Return the result of conditional_skip and/or skip_if_group.
+	Don't call _cpp_output_line_command.
+	(consider_directive_while_skipping): Use _cpp_get_directive_token.
+	Issue -Wtraditional warnings as appropriate.  Don't complain
+	about unrecognized directives.  If we are to stop skipping,
+	return the number of the directive that ended the skip.
+	(skip_if_group): Use _cpp_get_directive_token.  Turn off macro
+	expansion and line commands while skipping.  Return the result
+	of consider_directive_while_skipping, if nonzero.
+	(do_endif): Just set potential_control_macro here.
+	(validate_else): Use _cpp_get_directive_token.
+	(do_assert, do_unassert): Don't save pointers into the
+	token_buffer across calls to the lexer.  Use
+	_cpp_get_directive_token.
+
+	* cpplib.h (cpp_buffer): Remove alimit and colno.  Make mark a
+	pointer, not an offset.  Replace 'data', which was a generic
+	pointer, with 'macro', which points to a struct hashnode.
+	(cpp_reader): Add 'potential_control_macro' pointer.
+	* cpphash.h (T_UNUSED): Replace with T_EMPTY.
+	(CPP_BUF_GET, CPP_FORWARD): Delete.
+	(CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
+	(CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
+	ACTIVE_MARK_P): Update.
+	(_cpp_get_define_token): New internal function.
+	* cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
+
+2000-04-05   Benjamin Kosnik  <bkoz@cygnus.com>
+
+	* configure.in: And here.
+	* configure: Regenerate.
+	* acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
+	--enable-libstdcxx-v3 is passed at configure time.
+	* config.h.in: Regenerate.
+
+2000-04-05  Mark Mitchell  <mark@codesourcery.com>
+
+	* final.c (final): Use xcalloc to allocate line_note_exists.
+	* function.c (free_after_compilation): Free the temp_slots.
+	(assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
+	(combine_temp_slot): Free temp_slots when they get combined.
+	(purge_addressof): Fix typo in comment.
+	* stmt.c (mark_goto_fixup): Mark the fixup itself.
+	(expand_fixup): Allocate the fixup with ggc_alloc_obj.
+
+	* ggc.h: Include varray.h.
+	(ggc_pending_trees): Declare.
+	(ggc_mark_tree_children): Remove declaration.
+	(ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
+	* ggc-common.c (ggc_pending_trees): New variable.
+	(ggc_mark_roots): Call ggc_mark_trees.
+	(ggc_mark_tree_children): Rename to ggc_mark_trees.  Process all
+	the ggc_pending_trees.
+	* Makefile.in (GGC_H): New variable.  Use it throughout in place
+	of ggc.h.
+
+Thu Apr  6 00:30:50 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
+	GET_MODE_SIZE.
+
+Wed Apr  5 23:17:10 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.c (sh_insn_length_adjustment): New function.
+	* sh-protos.h (sh_insn_length_adjustment): Declare.
+	* sh.h (ADJUST_INSN_LENGTH): Use it.
+
+Wed Apr  5 12:35:18 2000  Hans-Peter Nilsson  <hp@axis.com>
+
+	* optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
+	from the insn where REG_RETVAL is added.
+	(emit_no_conflict_block): Ditto.
+
+	* md.texi (Standard Names): Clarify when movX is needed.
+
+	* combine.c (simplify_comparison) [MINUS]: Do not replace
+	all (op (minus A B) 0) with (op A B).
+
+Wed Apr  5 18:03:31 2000  Toshiyasu Morita  (toshi.morita@sega.com)
+			  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.md (block_lump_real_i4): Add missing clobber of T_REG
+	(block_lump_real): Likewise.
+
+2000-04-05  Chris Demetriou  <cgd@netbsd.org>
+
+	* mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
+	remaining non-zero debugging masks.
+
+Wed Apr  5 09:44:07 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* basic-block.h (verify_flow_info): Declare.
+	(flow_loop_outside_edge_p): Declare.
+	* flow.c (verify_flow_info): Remove declaration.
+	(clear_log_links, flow_loop_outside_edge_p): Likewise.
+
+Wed Apr  5 09:34:26 2000  Philippe De Muyter <phdm@macqel.be>
+
+	* m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
+	not C++ comments.
+
+2000-04-05  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
+	snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
+	seqdi_zero_trunc+1): Allow splits only if registers are
+	different.
+
+2000-04-04  Ulrich Drepper  <drepper@cygnus.com>
+
+	* acconfig.h: Add HAVE_GAS_HIDDEN.
+	* config.in: Regenerated.
+	* configure.in: Add test for .hidden pseudo-op in gas.
+	* configure: Regenerated.
+	* crtstuff.c: Include auto-host.h.
+	Emit additional .hidden pseudo-op for __dso_handle if the
+	assembler knows about it.
+
+2000-04-04  Philippe De Muyter  <phdm@macqel.be>
+
+	* cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
+	before freeing argnames.
+	* cpplib.c (do_ifndef): Cast return value of xstrdup.
+
+2000-04-05  Michael Meissner  <meissner@redhat.com>
+
+	* config/rs6000/rs6000.c (print_operand): Patch from Jonathan
+	Walton <jonboy@gordian.com> to make memory references with update
+	work wtih -mregnames.
+
+2000-04-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
+	(regrename_optimize): Rename variables `def_uses' and
+	`ext_basic_blocks' to avoid conflicts with similarly named
+	typedefs in traditional C.
+
+	* calls.c (initialize_argument_information): Fix typo in previous
+	change.
+
+2000-04-04  Richard Henderson  <rth@cygnus.com>
+
+	* regrename.c (consider_available): Test fixed_regs not
+	PIC_OFFSET_TABLE_REGNUM.
+
+2000-04-04  Geoff Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
+	crtend.
+	(CRTSTUFF_T_CFLAGS_S): Delete definition.
+	* config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
+	(ENDFILE_LINUX_SPEC): Always use crtend.
+	* configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
+	(powerpc-*-linux-gnu): Likewise.
+	* configure: Regenerate.
+
+	* config/rs6000/eabi.h:	Don't include sysv4.h.
+	(MULTILIB_DEFAULTS): Don't define.
+	* config/rs6000/eabiaix.h: Don't include eabi.h.
+	* config/rs6000/eabile.h: Delete.
+	* config/rs6000/eabilesim.h: Delete.
+	* config/rs6000/eabisim.h: Don't include eabi.h.
+	* config/rs6000/linux.h: Don't include sysv4.h.
+	(JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
+	(MULTILIB_DEFAULTS): Don't redefine.
+	* config/rs6000/rtems.h: Don't include eabi.h.
+	* config/rs6000/sol2.h: Don't include sysv4le.h.
+	* config/rs6000/sysv4le.h: Don't include sysv4.h.
+	* config/rs6000/t-ppc: Delete.
+	* config/rs6000/t-ppcgas: Correct comment.
+	* config/rs6000/t-ppcos: Correct comment.  Don't build
+	multilibs for -fPIC, rather use -fPIC -mstrict-align
+	as default.
+	* config/rs6000/t-ppc: Delete.
+	* config/rs6000/vxppc.h: Don't include sysv4.h.
+	* config/rs6000/vxppcle.h: Delete.
+	* configure.in: Use multiple header files for p2pc ELF targets
+	powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
+	powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
+	powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
+	powerpc-vxworks, powerpcle-vxworks.  Assume GAS functionality is
+	always available for these platforms.
+
+2000-04-04  Richard Henderson  <rth@cygnus.com>
+
+	* calls.c (try_to_integrate): Initialize reg_parm_stack_space.
+
+2000-04-04  Stan Cox  <scox@cygnus.com>
+
+	* Makefile.in: Add rules for regrename.o
+	* regrename.c: New file.
+	* rtl.h (regrename_optimize): Add prototype.
+	* toplev.c (rename_registers_dump, flag_rename_registers): New variables
+	(compile_file, decode_d_option): Add support for -frename-registers.
+	(rest_of_compilation): Call regrename_optimize.
+	* config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
+	New macros.
+
+2000-04-04  Martin v. Löwis  <loewis@informatik.hu-berlin.de>
+
+	* Makefile (gccbug): New target.
+	(doc): Depend on it.
+	* gcc.texi (Bugs): Link subnodes.
+	(gccbug): New node.
+	* gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
+	Document severities, priorities, and classes in bug form.
+
+2000-04-04  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplex.c (trigraph_map, speccase): Combine into single
+	table, chartab.
+	(NORMAL, NONTRI): New macros.
+	(_cpp_read_and_prescan): Change to use unified table.  Use
+	is_hspace to test for whitespace.
+
+	* dbxout.c (CONTIN): If it doesn't have to do anything, give it a
+	definition that doesn't provoke the "empty body in an
+	if-statement" warning.
+
+2000-04-04  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* builtins.c (expand_builtin_strlen): Force the source to
+	be a memory address.
+
+2000-04-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
+
+Tue Apr  4 19:17:20 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
+	 ECF_LONGJMP, ECF_FORK_OR_EXEC):  New constants.
+	(ECF_IS_CONST): Rename to ECF_CONST.
+	(special_function_p): Make static, change interface.
+	(flags_from_decl_or_type, try_to_integrate): Break out from ...
+	(expand_call) ... here; convert number of variables to flags.
+	(emit_library_call_vlue_1): Likewise.
+	(setjmp_call_p): New function.
+	(initialize_argument_information): Accepts flags as argument;
+	return flags.
+	(precompute_arguments): Likewise.
+	* tree.h (special_function_p): Remove.
+	(setjmp_call_p): Add prototype.
+
+2000-04-04  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
+	so that addresses are offsetable by up to 16 bytes.
+	(GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
+	non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
+	offsetable.
+
+	* config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
+	(movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
+	(movsf): Don't force any constant to memory if target is integer
+	hard register.
+	Move fp_zero_operand check below the const0_rtx check.
+	(movtf): Likewise. Also allow fp_zero_operand for stores into
+	memory.
+	(movdf): Likewise. Also allow fp_zero_operand for stores into
+	memory and into integer hard registers.
+	(clear_df, clear_dfp, movdf_const_intreg_sp32,
+	movdf_const_intreg_sp64): Remove.
+	(movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
+	conditions.
+	(movdf_no_e_insn_v9_sp32): New pattern.
+	(movdf_insn_v9only): Remove.
+	(movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
+	(movdf_insn_sp64): Remove.
+	(movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
+	(movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
+	(following splits): Rewrite conditions. Add two new splits
+	for storing 0.0 into memory and registers.
+	(clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
+	(movtf_insn_sp32): Redo constraints and conditions.
+	(movtf_insn_vis_sp32): New pattern.
+	(movtf_no_e_insn_sp32): Redo constraints and conditions.
+	(movtf_insn_hq_sp64): Likewise.
+	(movtf_insn_hq_vis_sp64): New pattern.
+	(movtf_insn_sp64): Redo constraints and conditions.
+	(movtf_insn_vis_sp64): New pattern.
+	(movtf_no_e_insn_sp64): Redo constraints and conditions.
+	(movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
+	or memory.
+	* config/sparc/sparc.c (sparc_override_options): Assume v9 if either
+	-mvis or -m64 to take down the number of various reload patterns.
+
+Tue Apr  4 00:41:53 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* pa/pa-64.h: New file.
+	* pa/pa64-regs.h: New file.
+	* pa/pa64-start.h: New file.
+	* pa/t-pa64: New file.
+	* pa/xm-pa64hpux.h: New file.
+
+2000-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* sparc.c (output_restore_regs): Prototype.
+	(sparc_emit_float_lib_cmp): Constification.
+
+	* emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
+
+	* reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
+	Prototype.
+
+	* simplify-rtx.c (entry_and_rtx_equal_p): Constification.
+	(get_value_hash, hash_rtx): Likewise.
+
+	* ssa.c (compute_conservative_reg_partition): Prototype.
+
+	* tree.c (mark_hash_entry): Prototype.
+
+2000-04-03  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
+	* i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
+	* i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
+
+	* gcc.c (C specs): Pass -fno-show-column to the preprocessor.
+	* objc/lang-specs.h: Likewise.
+
+2000-04-03  Neil Booth  <NeilB@earthling.net>
+
+	* cppexp.c: wrap long lines.  New macros CPP_ICE, SYNTAX_ERROR
+	and SYNTAX_ERROR2. Replace `' in messages with ''.
+	(op_to_str): Make re-entrant.
+	(_cpp_parse_expr): Implement new error macros. Use | rather
+	than || to logically or 2 boolean integers.  Simply expression
+	checking we have a left operand iff needed.
+
+2000-04-03  Nick Clifton  <nickc@cygnus.com>
+
+	* Makefile.in (diagnostic.o): Depend upon diagnostic.c
+
+2000-04-03  Philip Blundell  <philb@gnu.org>
+
+	* config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
+
+2000-04-03  Felix Lee  <flee@cygnus.com>
+
+	* fixinc/server.c (find_shell): New function.  Avoid $SHELL.
+	(run_shell): Use it.
+
+2000-04-03  Jonathan Larmour  <jlarmour@redhat.co.uk>
+
+	* Makefile.in (stmp-int-hdrs): Make include subdir here...
+	(stmp-fixproto): ...rather than here.
+
+Mon Apr  3 00:50:06 2000  Jason Eckhardt <jle@cygnus.com>
+
+	* pa.c (print_operand): Compute 'base' only inside the code paths
+	that use it.
+
+2000-04-03  Geoffrey Keating  <geoffk@cygnus.com>
+
+	* stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
+	CEIL_DIV_EXPR.
+
+2000-04-03  Philipp Thomas  <pthomas@suse.de>
+
+	* i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
+
+Mon Apr  3 00:02:59 2000  Brad Lucier <lucier@math.purdue.edu>
+
+	* Makefile.in (alias.o): Depend on $(TREE_H).
+
+2000-04-02  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppinit.c (cpp_start_read): Turn off -Wtraditional if
+	processing C++.
+	* cpplib.c (_cpp_handle_directive): Improve warnings for
+	traditional C and indented directives.
+
+	* enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
+	fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
+	fixinc/inclhack.def: Indent the # of #include_next one space.
+	* cp/rtti.c: Un-indent #if and #endif.
+
+	* cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
+	syntax error, but an error has already been printed.
+	* cpplex.c (_cpp_parse_assertion): Give a more specific error
+	message when called with nothing remaining on the line.
+	(_cpp_lex_token): If _cpp_parse_assertion fails, return an
+	OTHER token, not an ASSERTION.
+	* cpplib.c (do_assert): When we create a 'base' node, clear
+	its aschain pointer.
+
+2000-04-02  Neil Booth <NeilB@earthling.net>
+
+	* cppexp.c:  New typedef op_t.  struct operation and struct
+	token updated to use it.
+	(op_to_str): New function.
+	(_cpp_parse_expr): Error messages modified to use op_to_str.
+
+2000-04-02  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
+	before checking MUST_PASS_IN_STACK.
+
+2000-04-02  Neil Booth <NeilB@earthling.net>
+
+	* cppexp.c:  New FINISHED dummy token.  Combine operator initial
+	flags and initial priority into a single constant.  New
+	EQUALITY macro.  New operator flag SHORT_CIRCUIT.
+	(_parse_cpp_expr): Implement new constants.  Take left operand
+	checks out of reduction loop.  Handle SHORT_CIRCUIT.  End of
+	parse indicated by reducing FINISHED token.  Remove new lines
+	from cpp_error messages.
+
+2000-04-01  Mark Mitchell  <mark@codesourcery.com>
+
+	* emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
+	permanent obstack.
+
+2000-04-01  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.c: Include symcat.h.  Add 'origin' field to struct
+	directive.  Add origin values to DIRECTIVE_TABLE.  Generate
+	the strings and function names on the fly.  Take the #sccs
+	entry out of the table if SCCS_DIRECTIVE is not defined.
+	(_cpp_handle_directive): Decide if the # was at the beginning
+	of the line here.  Issue -pedantic warnings for extended
+	directives here.  Warn about K+R directives with the #
+	indented, and C89/extended directives with the # not indented,
+	here.
+	(do_import, do_include_next, do_warning, do_ident, do_sccs,
+	do_assert, do_unassert): Don't issue pedantic warning here.
+
+	* cpphash.h: Add CPP_WTRADITIONAL macro.
+	* cpplib.h (struct cpp_options): Rename warn_stringify to
+	warn_traditional; update comments.
+	* cppinit.c (handle_option): Set warn_traditional not
+	warn_stringify.
+	* cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
+	CPP_WTRADITIONAL (pfile).
+	* cpplex.c (_cpp_lex_token): Don't decide if directives should
+	be ignored in -traditional mode here.
+
+	* cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
+	to initialize speccase[] and trigraph_map[].  Delete all
+	references to pfile->input_speccase.  Always treat '?' as a
+	special character.  Remove table-initialization code from
+	_cpp_init_input_buffer.
+
+	* cpplib.h (struct cpp_reader): Remove input_speccase field.
+	* cppinit.c (cpp_cleanup): Don't free input_speccase.
+
+2000-04-01  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
+	(mostlyclean): Likewise.
+
+	* toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
+	(struct dump_file_info, enum dump_file_index, dump_file): New.
+	(open_dump_file): Take a dump_file_index not a suffix, and a decl
+	not a string.  Clean out file if we havn't yet done so.  Do nothing
+	if the dump isn't enabled.
+	(close_dump_file): Do nothing if the dump isn't open.  Dump
+	graph data if requested.
+	(dump_rtl, clean_dump_file): Remove.
+	(compile_file): Don't clean the dump files.  Only finalize .bp dump
+	if flag_test_coverage or flag_branch_probabilities.  Only finalize
+	.combine dump if optimizing.  Iterate over dump_file to finalize the
+	graph dumps.
+	(rest_of_compilation): Update for open_dump_file/close_dump_file.
+	Convert all uses of dump_rtl.
+	(decode_d_option): Iterate over dump_file to implement 'a' and to
+	locate pass-specific dumps.
+
+2000-04-01  Neil Booth <NeilB@earthling.net>
+
+	* cppexp.c: Redefine priority constants.
+	(_cpp_parse_expr): Replace left and right priority scheme with
+	single priority logic.  Move LOGICAL to same place as COMPARE.
+	Remove bogus check for multiple unary +/- operators.
+
+2000-04-01  Neil Booth <NeilB@earthling.net>
+
+	* cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
+	within the switch statement.  Binary operations break out of
+	the switch naturally.  '(' tokens handled by forcing
+	immediate shift.  ')' handled by forcing immediate reduce to
+	the previous '('.  New error messages.
+
+2000-03-31  Geoff Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
+	part', it's already in use.  Use %K instead.  Add a return at the
+	end of what is now %K.
+	* config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
+
+Sat Apr  1 02:05:29 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* builtins.c  (expand_builtin_apply):  Pass proper parameters to
+	allocate_dynamic_stack_space.
+	* calls.c (emit_call_1):  Do not adjust stack pointer for SIB,
+	update stack_pointer_delta; do not update arg_size_so_far.
+	(compute_argument_block_size): Use stack_delta instead of
+	stack_pointer_pending and arg_size_so_far.
+	(expand_call): Add sanity checking for stack_pointer_delta;
+	save and restore stack_pointer_delta for SIB, use
+	stack_pointer_delta for alignment; do not update arg_space_so_far.
+	(emit_library_call_value): Use stack_pointer_delta for alignment.
+	(store_one_arg): Do not update arg_space_so_far.
+	* explow.c (adjust_stack, anti_adjust_stack): Update
+	stack_pointer_delta.
+	(allocate_dynamic_stack_space): Add sanity checking for
+	stack_pointer_delta.
+	* expr.c (init_expr, clear_pending_stack_adjust): Clear
+	stack_pointer_delta.
+	(emit_push_insn): Update stack_pointer_delta.
+	* function.h (struct expr_status): Add x_stack_pointer_delta;
+	remove x_arg_space_so_far.
+	(arg_space_so_far): Remove.
+	(stack_pointer_delta): New macro.
+
+2000-03-31  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.h: Merge struct cpp_options into struct cpp_reader.
+	Reorder struct cpp_options and struct cpp_reader for better
+	packing.  Replace CPP_OPTIONS macro with CPP_OPTION which
+	takes two args.  Change all 'char' flags to 'unsigned char'.
+	Move show_column flag into struct cpp_options.  Don't
+	prototype cpp_options_init.
+	* cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
+	cppinit.c, cpplex.c, cpplib.c:
+	Replace CPP_OPTIONS (pfile)->whatever with
+	CPP_OPTION (pfile, whatever), and likewise for
+	opts = CPP_OPTIONS (pfile); ... opts->whatever;
+
+	* cppinit.c (merge_include_chains): Take a cpp_reader *.
+	Extract CPP_OPTION (pfile, pending) and work with that
+	directly.
+	(cpp_options_init): Delete.
+	(cpp_reader_init): Turn on on-by-default options here.
+	Allocate the pending structure here.
+	(cl_options, enum opt_code): Define these from the same table,
+	kept in a large macro.  Add -fshow-column and -fno-show-column
+	options.
+
+	* cpperror.c (v_message): If show_column is off, don't print
+	the column number.
+
+	* cppmain.c: Update for new interface.
+	* fix-header.c: Likewise.
+
+2000-03-30  Geoff Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
+	definition.
+	* Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
+	are passed to any invocation of AR_FOR_TARGET.
+	(AR_CREATE_FOR_TARGET): New macro.
+	(AR_EXTRACT_FOR_TARGET): New macro.
+	(ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
+	AR_EXTRACT_FOR_TARGET.
+	(many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
+	in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
+	`$(AR_FOR_TARGET) x'.  Pass AR_CREATE_FOR_TARGET and
+	AR_EXTRACT_FOR_TARGET to sub-makes.
+
+2000-03-31  Neil Booth <NeilB@earthling.net>
+
+	* cppexp.c: Delete SKIP_OPERAND.  Correct priority
+	PAREN_INNER_PRIO.
+	(_cpp_parse_expr): Check for multiple unary +/- operators.
+	Correct priorities of ':' and '?'.  Treat ')' as having a
+	value.	Ensure conditional expression is not void.
+
+2000-03-31  Mark Mitchell  <mark@codesourcery.com>
+
+	* alias.c (canon_rtx): Make it global.
+	(rtx_equal_for_memref_p): CONST_INT equality is now pointer
+	equality.
+	* cse.c (struct table_elt): Add canon_exp.
+	(insert): Clear it.
+	(invalidate): Canonicalize expressions only once.
+	* rtl.h (canon_rtx): Declare.
+
+2000-03-30  Mark Mitchell  <mark@codesourcery.com>
+
+	* Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
+	* alias.c (reg_known_value): Add comments.
+	(init_alias_analysis): Likewise.
+	* cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
+	address.
+	(cse_basic_block): Fix typo in comment.
+	* emit-rtl.c: Include hashtab.h.
+	(const_int_htab): New variable.
+	(const_int_htab_hash): New function.
+	(const_int_htab_eq): Likewise.
+	(rtx_htab_mark_1): Likewise.
+	(rtx_htab_mark): Likewise.
+	(gen_rtx_CONST_INT): Cache all CONST_INTs.
+	(unshare_all_rtx): Fix formatting.
+	(init_emit_once): Initialize const_int_htab.
+	* rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
+	address.
+	* rtl.texi: Document the fact that all CONST_INTs with the same
+	value are shared.
+
+2000-03-30  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
+
+2000-03-30  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* configure.in: Comment out --enable-c-cpplib stanza.
+	* configure: Regenerate.
+
+Thu Mar 30 06:32:51 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* expr.c (store_constructor): Properly compute displacement and
+	alignment when offset is variable.
+
+	* expmed.c (store_bit_field, store_fixed_bit_field): Fix more
+	cases of alignment in bytes.
+
+Thu Mar 30 13:30:40 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* c-parse.in (cast_expr): Move change from March 21 into c-parse.in
+	since it is used to generate c-parse.y.
+	* objc-parse.c, objc-parse.y: Regenerated.
+
+	* function.c (expand_function_end): Pass alignment argument to
+	emit_block_move in bits, not bytes.
+
+Thu Mar 30 06:32:51 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* expr.c (move_by_pieces_ninsns): Fix one more missing align
+	correction.
+
+	* expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
+
+	* calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
+	* explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
+	* function.c (assign_parms): Likewise.
+	* integrate.c (expand_inline_function): Likewise.
+	* stmt.c (expand_decl): Likewise.
+	(copy_rtx_and_substitute): Likewise.
+	* expr.c (expand_expr, expand_expr_unaligned): Likewise.
+	(clear_by_pieces): Fix error in last change.
+	* emit-rtl.c (init_emit): Set known registers alignment in bits.
+	* function.h (regno_pointer_align): Now unsigned.
+	* config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
+	is in bits.
+	* config/i386/i386.c (aligned_operand): Likewise.
+	* config/sparc/sparc.c (mem_min_alignment): Likewise.
+	* config/alpha/alpha.c (aligned_memory_operand): Likewise.
+	(unaligned_memory_operand): Likewise.
+	(alpha_expand_block_move, alpha_expand_block_clear): Likewise.
+	Also make alignments and sizes unsigned and some whitespace cleanup.
+	(alpha_va_start): Do nothing if VALIST's type is error_mark_node.
+
+	* builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
+	(expand_builtin_apply): Pass alignment to emit_block_move in bits.
+	(expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
+	(expand_builtin_memset): Likewise, but to clear_storage.
+	* calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
+	(restore_fixed_argument_area): Likewise.
+	(store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
+	(load_register_parameters): Likewise, to emit_group_load.
+	(expand_call): Likewise, to emit_group_store and emit_block_move.
+	(emit_library_call_value_1): Likewise, to emit_block_move.
+	(store_one_arg): Likewise, and to emit_push_insn.
+	* expmed.c (extract_bit_field): Alignment is in bits, not bytes.
+	(extract_fixed_bit_field, extract_split_bit_field): Likewise.
+	* expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
+	(emit_block_move, emit_group_load, emit_group_store): Likewise.
+	(clear_by_pieces, clear_storage, emit_push_insn): Likewise.
+	(expand_assigment, store_expr, store_constructor_field): Likewise.
+	(expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
+	(store_constructor, store_field, get_inner_reference): Likewise.
+	Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
+	(expand_expr, case COMPONENT_REF): Likewise.
+	(copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
+	and positions; reindent code.
+	* expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
+	* function.c (purge_addressof_1): Pass bit align to store_bit_field.
+	(assign_parms): Likewise to emit_group_store.
+	* optabs.c (prepare_cmp_insn): Alignment is in bits.
+	(emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
+	* stmt.c (expand_value_return): Pass align in bits to emit_group_load.
+	(expand_return): Likewise to {extract,store}_bit_field.
+	* stor-layout.c (get_mode_alignment): Minor cleanup.
+	* config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
+	* config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
+
+2000-03-29  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.h: Undo effects of previous delta:
+	(ASM_SPEC): Do not define.
+	(SUBTARGET_EXTRA_ASM_SPEC): Do not define.
+
+	* config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
+	typo.
+
+2000-03-29  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppinit.c (cpp_start_read): Call initialize_dependency_output
+	only after reading in the primary source file.
+
+2000-03-29  Geoff Keating  <geoffk@cygnus.com>
+
+	* c-common.c (c_common_nodes_and_builtins): The first parameter to
+	__builtin_va_start and __builtin_va_copy is now either a 'va_list'
+	or a reference to a va_list.
+	* builtins.c (stabilize_va_list): Simplify now we don't have to
+	work around C array address decay.
+	* c-typeck.c (convert_for_assignment): Handle assignment to
+	a reference parameter by taking the address of the RHS.
+	* ginclude/stdarg.h (va_start): Don't take address of first parameter.
+	(va_copy): Likewise.
+	(__va_copy): Likewise.
+	* ginclude/varargs.h (va_start): Likewise.
+	(__va_copy): Likewise.
+
+Wed Mar 29 15:44:53 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* i386/djgpp.h: Remove extraneous "+".
+
+	* stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
+
+	* calls.c (expand_call): Fix typo in last change.
+
+2000-03-29  Jason Merrill  <jason@casey.cygnus.com>
+
+	* tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
+	been expanded.
+
+Wed Mar 29 15:39:10 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* stor-layout.c (bit_from_pos, byte_from_pos): New functions.
+	(pos_from_byte, pos_from_bit, normalize_offset): Likewise.
+	(normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
+	* tree.c (bit_position, byte_position): Likewise.
+	* tree.h: Declare new functions.
+
+2000-03-29  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.c: Minor formatting changes/
+	* config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
+	already defined.
+	(ASM_SPEC): Define if not already defined.
+
+2000-03-29  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c (cpp_read_file): Don't pass zero-length string to
+	_cpp_calc_hash.
+
+2000-03-29  Jakub Jelinek  <jakub@redhat.com>
+
+	* dwarf2out.c (gen_enumeration_type_die): If enum has a negative
+	value, don't output it as unsigned.
+
+Wed Mar 29 10:53:49 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
+
+2000-03-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* c-common.c (c_common_nodes_and_builtins): Don't special case
+	cplus_mode when declaring builtin bzero/bcmp, always avoid
+	prototype arguments.
+
+2000-03-29  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
+	to a non-file
+
+Wed Mar 29 15:08:01 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	Convert ACCUMULATE_OUTGOING_ARGS to an expression.
+	* calls.c (PUSH_ARGS_REVERSED) Change to expression.
+	(ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
+	(struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
+	(save_fixed_argument_area, restore_fixed_argument_area):
+	conditionize by #ifdef REG_PARM_STACK_SPACE only.
+	(emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
+	to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
+	(precompute_register_parameters): Avoid #ifdefs on
+	ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
+	(stire_one_args): Likewise.
+	(expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
+	(emit_library_call_value_1): Likewise.
+	(compute_argument_block_size): Align to STACK_BOUNDARY only for
+	ACCUMULATE_OUTGOING_ARGS.
+	* combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
+	value.
+	(nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
+	(use_crosses_set_p): Likewise.
+	* all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
+	#define ACCUMULATE_OUTGOING_ARGS 1.
+	* i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
+	frames.
+	* i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
+	constants.
+	(TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
+	(TARGET_SWITCHES): Add push-args, no-push-args,
+	accumulate-outgoing-args and no-accumulate-outgoing-args.
+	(ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
+	* expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
+	(push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
+	and PUSH_ROUNDING.
+	(emit_push_insn): Likewise.
+	* final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
+	(final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
+	* function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
+	(STACK_DYNAMIC_OFFSET): Define correctly for both
+	ACCUMULATE_OUTGOING_ARGS and normal mode.
+	* invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
+	* tm.texi (PUSH_ARGS): Document.
+	(ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
+
+Wed Mar 29 11:51:13 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* flags.h (flag_optimize_sibling_calls): Declare.
+	* calls.c (expand_call): Fail sibcall when
+	!flag_optimize_sibling_calls
+	* invoke.texi (flag_optimize_sibling_calls): Document.
+	* toplev.c (flag_optimize_sibling_calls): New global variable.
+	(f_options): Add flag_optimize_sibling_calls.
+	(rest_of_compilation): Conditionize
+	optimize_sibling_and_tail_recursive_calls by
+	flag_optimize_sibling_calls.
+	(main): Set flag_optimize_sibling_calls for -O2.
+	* stmt.c (expand_return): Conditionize tail recursion by
+	flag_optimize_sibling_calls.
+
+2000-03-29  Richard Henderson  <rth@cygnus.com>
+
+	* config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
+	(ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
+
+2000-03-29  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* except.c (add_eh_table_entry): Mark type_info's as referenced.
+
+2000-03-29  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
+	is given.
+	* config/rs6000/aix43.h (CPP_SPEC): Likewise.
+	* config/rs6000/rs6000.h (CPP_SPEC): Moved to...
+	* config/rs6000/aix.h: then modified likewise.
+
+2000-03-28  Richard Henderson  <rth@cygnus.com>
+
+	* rtl.h: Redistribute enum reg_note documentation.
+	Kill trailing whitespace.
+	* rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
+	Kill trailing whitespace.
+
+2000-03-28  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c (hash_IHASH): Just return i->hash.
+	(cpp_included): Set dummy.hash using _cpp_calc_hash.  Use
+	htab_find_with_hash.
+	(cpp_read_file): Likewise.
+	(find_include_file): Likewise.  Properly initialize
+	ih->nshort.  Share ih->name and ih->nshort if possible.
+	* cpphash.c (_cpp_calc_hash): New function.
+	(hash_HASHNODE): Just return h->hash.
+	(_cpp_lookup): Set dummy.hash using _cpp_calc_hash.  Use
+	htab_find_with_hash.
+	* cpphash.h: Prototype _cpp_calc_hash.
+	* cppinit.c (initialize_builtins): Provide a valid hash
+	to _cpp_make_hashnode, using _cpp_calc_hash.
+
+	* cpphash.c (collect_expansion): # is not a special character
+	in object-like macros.  In -traditional mode, /**/ is not
+	token paste at the beginning or end of the line.
+	* cpplib.c (do_include, do_import, do_include_next): If
+	parse_include fails, return immediately.
+
+2000-03-28  Jason Merrill  <jason@casey.cygnus.com>
+
+	* config/arm/arm.md (return peepholes): Update to reflect the new
+	call insn patterns.
+	* config/arm/arm.c (arm_volatile_func): Also check
+	current_function_nothrow.
+	(output_return_instruction, output_func_prologue): Use it.
+	(arm_output_epilogue, arm_expand_prologue): Likewise.
+
+2000-03-27  Tom Tromey  <tromey@cygnus.com>
+
+	* gcc.c (handle_braces): In {x*...} case, break out of loop if
+	switch is found.
+
+Tue Mar 28 11:55:48 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* expr.c (store_constructor): SIZE now signed.
+	For EXPR_SIZE, don't evaluate size; just needed if constant.
+	* fold-const.c (fold): Fix a number of cases when folded tree is
+	wrong type.
+	* function.c (flush_addressof): Reenable.
+	* tree.h (flush_addressof): Likewise.
+	* toplev.c (independent_decode_option): Look at strings_processed.
+	* config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
+
+Tue Mar 28 08:29:46 2000  Jan Hubicka  <jh@suse.cz>
+
+	* sibcall.c (indentify_call_return_value): Find last call in the chain;
+	Allow stack adjustment after function call.
+
+	* regmove.c (struct csa_memlist): Make mem field rtx *.
+	(record_one_stack_ref): Accept rtx * instead of rtx as parameter.
+	(try_apply_stack_adjustment): Replace whole MEM rtx.
+	(combine_stack_adjustments_for_block): Update calls
+	to record_one_stack_ref.
+
+2000-03-28  Neil Booth  <NeilB@earthling.net>
+
+	* cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
+	'\\' rather than a null character, so nulls are not special.  Fix
+	"\\\n" handling in end-of-buffer conditions.  Use trigraph map to
+	speed trigraph conversion.
+	(_cpp_init_input_buffer): Initialize trigraph map.
+
+2000-03-27  Alan Modra  <alan@linuxcare.com.au>
+
+	* config/i386/i386.c (output_387_binary_op): Correct intel
+	mode assembly output, and add spaces after commas in AT&T
+	output.  Correct Unixware assembler comment.  Document input
+	constraints.  Comment fp operations.  Reduce profligate buffer
+	size.  Remove extraneous abort.  Localize temp var.
+	(SYSV386_COMPAT): Define.  Add !SYSV386_COMPAT code.
+	(output_fix_trunc): Add spaces after commas in assembly output.
+
+2000-03-27  Richard Henderson  <rth@cygnus.com>
+
+	* i386-protos.h (ix86_match_ccmode): Declare.
+	* i386.c (ix86_match_ccmode): New.
+	(ix86_expand_fp_compare): Update for pattern renames.
+	(ix86_expand_strlensi_unroll_1): Likewise.
+	* i386.h (EXTRA_CC_MODES): Add CCZ.
+	(SELECT_CC_MODE): Use it for EQ/NE zero.
+	* i386.md (cmpsi_ccz_1): New.
+	(cmpqi_ccz_1): New.
+	(*testsi_ccz_1): New.
+	(testqi_ccz_1): New.
+	(cmpsi_ccno_1): Rename from cmpsi_0.
+	(testsi_ccno_1): Rename from testsi_1.
+	(testqi_ccno_1): Rename from testqi_1.
+	(*testqi_ext_ccz_0): Rename from testqi_ext_0.
+	(testqi_ext_ccno_0): Rename from *testqi_ext_1.
+	(*cmphi_0): Use ix86_match_ccmode.
+	(*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
+	(*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
+	(*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
+	(*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
+	(*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
+	(*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
+	(*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
+	(*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
+	(*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
+	(*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
+	(appropriate peepholes): Likewise.
+	(*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
+	(*subsi_3, *subhi_3, *subqi_3): Remove.
+	(*negdi2_1+1 splitter): Use CCZ for neg patterns.
+	(*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
+	(*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
+	(*neghi2_cmpz, *negqi2_cmpz): Similarly.
+	(x86_shift_adj_1): Use CCZ.
+	(*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
+
+2000-03-27  Stan Cox  <scox@cygnus.com>
+
+	* resource.h (mark_resource_type): New.
+	* resource.c (find_dead_or_set_registers, mark_target_live_regs,
+	find_free_register): Use mark_resource_type.
+	(mark_set_resources): Change include_delayed_effects
+	to mark_resource_type.
+	* reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
+	redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
+	Use mark_resource_type.
+
+2000-03-27  Richard Henderson  <rth@cygnus.com>
+
+	* i386.md (call_pop_0, call_value_pop_0): New.
+	(call_pop_1): Remove constraint from unused arg.  Support sibcalls.
+	(call_value_pop_1): Likewise.
+	(call_0, call_value_0): New.
+	(call_1, call_value_1): Remove constraint from unused arg.
+
+2000-03-27  Nick Clifton  <nickc@cygnus.com>
+
+	* invoke.texi (Spec Files): Document new spec % command created by
+	Tom Tromey's recent patch.
+
+2000-03-27  Jakub Jelinek  <jakub@redhat.com>
+
+	* libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
+	if not defined.
+
+Mon Mar 27 06:04:22 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* expr.c (expand_assignment): Fix typo in last change.
+
+	* libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
+
+Sun Mar 26 20:15:26 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* c-convert.c (convert): Return if output or input type is ERROR_MARK.
+	* c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
+	and DECL_INLINE if FUNCTION_DECL.
+	(pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
+	(store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
+	Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
+	(combine_parm_decls): Likewise.
+	* ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
+	* print-tree.c (print_node): Likewise.
+	Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
+	DECL_TRANSPARENT_UNION on proper decl types.
+	Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
+	* stor-layout.c (layout_decl): Only check DECL_PACKED and
+	DECL_BIT_FIELD of FIELD_DECL.
+	* tree.h (DECL_RESULT_FLD): New macro.
+
+	* expr.c (expand_assignment): Add code to handle variable-sized
+	BLKmode case.
+
+2000-03-26  Richard Henderson  <rth@cygnus.com>
+
+	* calls.c (expand_call): Pass parms not original exp to
+	optimize_tail_recursion.  Mind return value instead of looking
+	for a barrier.
+	* stmt.c (optimize_tail_recursion): Take parameter list, not entire
+	call_expr.  Move checks for call_expr and current_function_decl ...
+	(expand_return): ... here.
+
+2000-03-26  Tom Tromey  <tromey@cygnus.com>
+
+	* gcc.c (handle_braces): Recognize `%{<S}' construct.
+	(SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
+	defines.
+	(process_command): Use them.
+	(check_live_switch): Likewise.
+	(give_switch): Skip ignored switches.
+
+2000-03-26  Jan Hubicka  <jh@suse.cz>
+
+	* jump.c (jump_optimize_1): Fix typo in elide optimizations
+	for minimal jump pass test.
+
+2000-03-26  Mark Mitchell  <mark@codesourcery.com>
+
+	* integrate.c (function_cannot_inline_p): Do inline functions that
+	return `void'.
+
+Sun Mar 26 11:37:55 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* stor-layout.c (layout_type, set_sizetype): early_type_list is
+	now a list of TREE_LIST entries, not types.
+	* tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
+
+	* expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
+	* config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
+	int_bit_position.
+	* config/mips/mips.c (function_arg): Likewise; also remove cast
+	and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
+	(mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
+	* config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
+	* config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
+	(UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
+	(POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
+	(GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
+	(struct mips_arg): arg_number, arg_words, fp_arg_words, and
+	num_adjusts now unsigned.
+	(FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
+	* config/sparc/sparc.c (struct function_arg_record_value_parms):
+	NREGS now unsigned.
+	(function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
+	as is BITPOS variable; use host_integerp and int_bit_position.
+	(function_arg_record_value_2): Likewise.
+	(function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
+	Variable REGNO now unsigned.
+	(function_arg_record_value): NREGS now unsigned.
+
+2000-03-26  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
+
+Sat Mar 25 09:12:10 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* Rework fields used to describe positions of bitfields and
+	modify sizes to be unsigned and use HOST_WIDE_INT.
+	* alias.c (reg_known_value_size): Now unsigned.
+	* c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
+	(really_start_incremental_init): Use bitsize_zero_node.
+	(push_init_level, pop_init_level, output_init_element): Likewise.
+	Use bitsize_unit_node and bitsize_one_node.
+	(output_pending_init_elements, process_init_element): Likewise.
+	* combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
+	(make_extraction): Position and length HOST_WIDE_INT and unsigned
+	HOST_WIDE_INT, respectively.
+	(get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
+	(num_sign_bit_copies): Returns unsigned.
+	BITWIDTH now unsigned; rework arithmetic.
+	Remove recursive call from arg to MAX.
+	(combine_instructions, init_reg_last_arrays): NREGS now unsigned.
+	(setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
+	REGNO now unsigned.
+	(set_nonzero_bit_and_sign_copies): NUM now unsigned.
+	(find_split_point, expand_compound_operation, make_extraction): LEN
+	now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
+	(make_field_assignment): Likewise.
+	(combine_simplify_rtx): Add cast.
+	(expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
+	(force_to_mode): WIDTH now unsigned; add cast.
+	(if_then_else_cond): SIZE now unsigned.
+	(nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
+	(extended_count): Now returns unsigned.
+	(simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
+	Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
+	(simplify_comparison): MODE_WIDTH now unsigned.
+	(update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
+	(mark_used_regs_combine): Likewise; rework arithmetic.
+	(record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
+	(record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
+	(record_promoted_value): REGNO now unsigned.
+	(get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
+	(get_last_value): REGNO now unsigned.
+	(use_crosses_set_p): REGNO and ENDREGNO now unsigned.
+	(reg_dead_regno, reg_dead_endregno): Now unsigned.
+	(remove_death): Arg REGNO now unsigned.
+	(move_deaths):  REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
+	(reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
+	now unsigned.
+	* convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
+	* cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
+	(struct cse_reg_info): REGNO now unsigned.
+	(cached_regno): Now unsigned.
+	(REGNO_QTY_VALID_P): Add cast.
+	(make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
+	(remove_invalid_regs): Likewise.
+	(remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
+	as are variables END and I.
+	(get_cse_reg_info, insert): Likewise.
+	(mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
+	(canon_hash): Likewise.
+	(insert_regs, lookup_for_remove): REGNO now unsigned.
+	(invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
+	New variable RN.
+	* dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
+	* dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
+	* emit-rtl.c (subreg_realpart_p): Add cast.
+	(operand_subword): Arg I is now unsigned as is var PARTWORDS.
+	(operand_subword_force): Arg I is now unsigned.
+	* except.c (eh_regs): Variable I is now unsigned.
+	* explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
+	* expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
+	length is unsigned HOST_WIDE_INT; likewise for internal variables.
+	(store_split_bit_field, extract_fixed_bit_field): Likewise.
+	(extract_split_bit_field, store_bit_field, extract_bit_field):
+	Likewise.
+	* expr.c (store_constructor_fields, store_constructor, store_field):
+	Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
+	(expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
+	(do_jump): Likewise.
+	(move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
+	MAX_SIZE is now unsigned.
+	(emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
+	(emit_group_store): Likewise.
+	(emit_move_insn): I now unsigned.
+	(store_constructor): Use host_integerp, tree_low_cst, and
+	bitsize_unit_node.
+	(get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
+	Rework all calculations to use trees and new fields.
+	* expr.h (promoted_input_arg): Regno now unsigned.
+	(store_bit_field, extract_bit_field): Adjust types of pos and size.
+	(mark_seen_cases): Arg is HOST_WIDE_INT.
+	* flow.c (verify_wide_reg_1): REGNO now unsigned.
+	* fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
+	precisions and alignments are unsigned.
+	(optimize_bit_field_compare, fold_truthop): Likewise.
+	(int_const_binop): Adjust threshold for size_int_type_wide call.
+	(fold_convert): Likewise.
+	(size_int_type_wide): Make table larger and fix thinko that only
+	had half of table used.
+	(all_ones_mask_p, fold): Precisions are unsigned.
+	* function.c (put_reg_info_stack): REGNO is unsigned.
+	(instantiate_decl): Size is HOST_WIDE_INT.
+	(instantiate_virtual_regs): I is unsigned.
+	(assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
+	(promoted_input_arg): REGNO is unsigned.
+	* function.h (struct function): x_max_parm_reg is now unsigned.
+	* gcse.c (max_gcse_regno): Now unsigned.
+	(struct null_pointer_info): min_reg and max_reg now unsigned.
+	(lookup_set, next_set): REGNO arg now unsigned.
+	(compute_hash_table): REGNO and I now unsigned.
+	(handle_avail_expr): regnum_for_replacing now unsigned.
+	(cprop_insn): REGNO now unsigned.
+	(delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
+	* ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
+	* global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
+	* hard-reg-set.h (reg_class_size): Now unsigned.
+	* integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
+	* jump.c (mark_modified_reg): I now unsigned; add cast.
+	(rtx_equal_for_thread_p): Add cast.
+	* loop.c (max_reg_before_loop): Now unsigned.
+	(struct_movable): REGNO now unsigned.
+	(try_copy_prop): REGNO arg unsigned.
+	(regs_match_p): XN and YN now unsigned.
+	(consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
+	(strength_reduce): Likewise; NREGS also unsigned.
+	(first_increment_giv, last_increment_giv unsigned): Now unsigned.
+	* loop.h (struct iv_class): REGNO now unsigned.
+	(max_reg_before_loop, first_increment_giv, last_increment_giv):
+	Now unsigned.
+	* machmode.h (mode_size, mode_unit_size): Now unsigned.
+	(mode_for_size, smallest_mode_for_size): Pass size as unsigned.
+	* optabs.c (expand_binop): I and NWORDS now unsigned.
+	(expand_unop): I now unsigned.
+	* print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
+	print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
+	* real.c (significand_size): Now returns unsigned.
+	* real.h (significand_size): Likewise.
+	* regclass.c (reg_class_size): Now unsigned.
+	(choose_hard_reg_mode): Both operands now unsigned.
+	(record_reg_classes): REGNO and NR now unsigned.
+	(reg_scan): NREGS now unsigned.
+	(reg_scan_update): old_max_regno now unsigned.
+	(reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
+	* reload.c (find_valid_class): BEST_SIZE now unsigned.
+	(find_dummy_reload): REGNO, NWORDS, and	I now unsigned.
+	(hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
+	Likewise for variable R.
+	(refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
+	as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
+	(find_equiv_reg): Add casts.
+	(regno_clobbered_p): Arg REGNO now unsigned.
+	* reload.h (struct reload): NREGS now unsigned.
+	(refers_to_regno_for_reload_p): Regno args are unsigned.
+	(regno_clobbered_p): Likewise.
+	* reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
+	(compute_use_by_pseudos): REGNO now unsigned.
+	(find_reg): I and J now unsigned, new variable K, and change loop
+	variables accordingly; THIS_NREGS now unsigned.
+	(alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
+	(spill_hard_reg): REGNO arg now unsigned; add casts.
+	(forget_old_reloads_1): REGNO, NR, and I now unsigned.
+	(mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
+	(clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
+	END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
+	(reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
+	(choose_reload_regs): MAX_GROUP_SIZE now unsigned.
+	(emit_reload_insns): REGNO now unsigned.
+	(reload_cse_move2add): Add cast.
+	(move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
+	and rework loop.
+	* resource.c (mark_referenced_resources, mark_set_resources): New
+	variable R; REGNO and LAST_REGNO now unsigned.
+	(mark_target_live_regs): J and REGNO now unsigned.
+	* rtl.c (mode_size, mode_unit_size): Now unsigned.
+	* rtl.h (union rtunion_def): New field rtuint.
+	(XCUINT): New macro.
+	(ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
+	(operand_subword, operand_subword_force): Word number is unsigned.
+	(choose_hard_reg_mode): Operands are unsigned.
+	(refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
+	(find_regno_note, find_regno_fusage, replace_regs): Likewise.
+	(regno_use_in, combine_instructions, remove_death): Likewise.
+	(reg_scan, reg_scan_update): Likewise.
+	(extended_count): Return is unsigned.
+	* rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
+	INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
+	(reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
+	(reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
+	(reg_reg_last_1): FIRS and LAST now unsigned.
+	(dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
+	(dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
+	now unsigned.
+	(find_regno_note, regno_use_in): Arg REGNO now unsigned.
+	(find_regno_fusage): Likewise; also var REGNOTE now unsigned.
+	(find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
+	(replace_regs): Arg NREGS now unsigned.
+	* sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
+	* simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
+	(simplify_binary_operation): Likewise.
+	(cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
+	THIS_LAST now unsigned.
+	(cselib_record_set): Add cast.
+	* ssa.c (ssa_max_reg_num): Now unsigned.
+	(rename_block): REGNO now unsigned.
+	* stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
+	sizes now unsigned.
+	(all_cases_count): Just return -1 not -2.
+	COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
+	Rework tests to use trees whenever possible.
+	Use host_integerp and tree_low_cst.
+	(mark_seen_cases): COUNT arg now HOST_WIDE_INT;
+	Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
+	(check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
+	* stor-layout.c (mode_for_size): SIZE arg now unsigned.
+	(smallest_mode_for_size): Likewise.
+	(layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
+	KNOWN_ALIGN is now an alignment, so simplify code.
+	Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
+	(start_record_layout): Renamed from new_record_layout_info.
+	Update to new fields.
+	(debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
+	New functions.
+	(place_union_field): Renamed from layout_union_field.
+	Update to use new fields in rli.
+	(place_field): Renamed from layout_field.
+	Major rewrite to use new fields in rli; pass alignment to layout_decl.
+	(finalize_record_size): Rework to use new fields in rli and handle
+	union.
+	(compute_record_mode): Rework to simplify and to use new DECL fields.
+	(finalize_type_size): Make rounding more consistent.
+	(finish_union_layout): Deleted.
+	(layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
+	(layout_type, case RECORD_TYPE): Call new function names.
+	(initialize_sizetypes): Set TYPE_IS_SIZETYPE.
+	(set_sizetype): Set TYPE_IS_SIZETYPE earlier.
+	(get_best_mode): UNIT is now unsigned; remove casts.
+	* tree.c (bit_position): Compute from new fields.
+	(byte_position, int_byte_position): New functions.
+	(print_type_hash_statistics): Cast to remove warning.
+	(build_range_type): Use host_integerp and tree_low_cst to try to hash.
+	(build_index_type): Likewise; make subtype of sizetype.
+	(build_index_2_type): Pass sizetype to build_range_type.
+	(build_common_tree_nodes): Use size_int and bitsize_int to
+	initialize nodes; add bitsize_{zero,one,unit}_node.
+	* tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
+	(DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
+	(DECL_PACKED, DECL_BIT_FIELD): Likewise.
+	(DECL_FIELD_BITPOS): Deleted.
+	(DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
+	(DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
+	(DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
+	(DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
+	(DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
+	(DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
+	(DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
+	(DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
+	(DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
+	(DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
+	(DECL_ALIGN): Adjust to new field in union.
+	(DECL_OFFSET_ALIGN): New field.
+	(DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
+	(DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
+	(union tree_decl): Add struct for both aligns.
+	(enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
+	(bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
+	(struct record_layout_info): Rework fields to have offset
+	alignment and byte and bit position.
+	(start_record_layout, place_field): Renamed from old names.
+	(rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
+	(byte_position, int_byte_position): Likewise.
+	(get_inner_reference): Change types of position and length.
+	* unroll.c (unroll_loop): New variable R; use for some loops.
+	MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
+	(calculate_giv_inc): Arg REGNO now unsigned.
+	(copy_loop_body): REGNO and SRC_REGNO now unsigned.
+	* varasm.c (assemble_variable): Clean up handling of size using
+	host_integerp and tree_low_cst.
+	(decode_addr_const): Use byte, not bit, position.
+	(output_constructor): bitpos and offsets are HOST_WIDE_INT;
+	use tree_low_cst and int_bit_position.
+	* objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
+
+Fri Mar 24 20:13:49 2000  Jason Eckhardt  <jle@cygnus.com>
+
+	* bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
+	(reorder_block_def): New members eff_head and eff_end.
+	(REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
+	(verify_insn_chain): New function.
+	(skip_insns_between_block): Add code to skip deleted insns.
+	Check for note before using.
+	(chain_reorder_blocks): Replace calls to skip_insns_between_block
+	with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
+	Check for note before using.
+	(make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
+	(fixup_reorder_chain): Restructure, clean up, defect removal.
+	(reorder_basic_blocks): Remove last_insn and references to it.
+	Moved insn chain verification code into a new function (see above).
+	Delete defective code that sets last insn.
+	Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
+	all blocks.
+
+2000-03-25  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
+
+2000-03-24  Richard Henderson  <rth@cygnus.com>
+
+	* tree.c (lang_safe_for_unsave): Remove.
+	(unsafe_for_reeval): Transmute and rename from safe_for_unsave,
+	allowing for two levels of unsafeness.  Remove lang hook.
+	* tree.h: Update declarations.
+	* calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
+	Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
+	Always fail sibcalls when there are pending cleanups.
+
+2000-03-24  Geoff Keating  <geoffk@cygnus.com>
+
+	* flow.c (propagate_block): When we delete an ADDR_VEC,
+	also delete the BARRIER following it if there is one.
+
+2000-03-24  Richard Henderson  <rth@cygnus.com>
+
+	* builtins.c (expand_builtin_bzero): Convert `length' argument
+	to sizetype.
+
+2000-03-24  Jakub Jelinek  <jakub@redhat.com>
+
+	* sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
+	comparison if regno's are equal.
+	* calls.c (initialize_argument_informat): Add ecf_flags argument.
+	Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
+	(expand_call): Update caller.
+	Avoid making a sibling call if argument size of the callee is larger
+	than argument size of the caller.
+	Call hard_function_value with outgoing set if in sibcall pass.
+	Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
+
+	* final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
+	Change LEAF_REGISTERS from an array initializer to actual array
+	identifier. Move static global variable into the function.
+	(leaf_function_p): Allow SIBLING_CALL_P calls even outside of
+	sequences for leaf functions.
+	* global.c (global_alloc): Likewise.
+	* tm.texi (LEAF_REGISTERS): Update documentation.
+
+	* config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
+	TARGET_FLAT leaf disabling hack.
+	(LEAF_REGISTERS): Changed from an array initializer to actual array
+	identifier to avoid duplication and remove the above hack.
+	(FUNCTION_OK_FOR_SIBCALL): Define.
+	* config/sparc/sparc.md (sibcall): New attr type. Use it almost
+	always like call attribute.
+	(eligible_for_sibcall_delay): New attribute.
+	(sibcall): New delay type.
+	(sibcall, sibcall_value, sibcall_epilogue): New expands.
+	(sibcall_symbolic_sp32, sibcall_symbolic_sp64,
+	sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
+	* config/sparc/sparc.c (sparc_leaf_regs): New array.
+	(eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
+	New functions.
+	(output_function_epilogue): Move part of the code into
+	output_restore_regs.
+	(ultra_code_from_mask, ultrasparc_sched_reorder): Handle
+	TYPE_SIBCALL.
+	* sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
+	prototypes.
+
+	* config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
+	until infrastructure is finished.
+
+Fri Mar 24 13:49:45 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
+	(save_parm_insns): Not here.
+
+2000-03-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* builtins.c (expand_builtin_bzero): New function.
+	(expand_builtin): Handle bzero.
+
+	* builtins.def: Add BUILT_IN_BZERO.
+
+	* c-common.c (c_common_nodes_and_builtins): Provide builtin
+	prototype & function for bzero.
+
+2000-03-23  Michael Meissner  <meissner@redhat.com>
+
+	* config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
+	change adding TARGET_FP to the TF floating point insns, except for
+	trunctfsf2, which generates direct calls to truncdfsf2.
+
+2000-03-23  Geoff Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
+	try to protect against middle-end changes that break binary
+	compatibility.
+	(DWARF_FRAME_REGISTERS): New definition, likewise for backend.
+
+2000-03-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.md (load_immed_address):  Add DP reg clobber.
+
+Thu Mar 23 17:10:48 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* calls.c (expand_call): If TARGET is passed by reference and
+	is readonly, write a CLOBBER.
+
+2000-03-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* builtins.c (expand_builtin): Handle bcmp.
+
+	* builtins.def: Add BUILT_IN_BCMP.
+
+	* c-common.c (c_common_nodes_and_builtins): Provide builtin
+	prototype & function for bcmp.
+
+Thu Mar 23 11:34:39 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
+	(rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
+	* config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
+
+Thu Mar 23 16:04:40 2000  Andrew Haley  <aph@cygnus.com>
+
+	* config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
+	alternative when using -fp64 -gp32.
+
+2000-03-22  Jason Merrill  <jason@casey.cygnus.com>
+
+	* config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
+	* config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
+	* config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
+
+	* frame.h (frame_state): Revert last change.
+	* frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
+	* libgcc2.c (throw_helper): Revert last change.
+
+2000-03-22  Richard Henderson  <rth@cygnus.com>
+
+	* stmt.c (expand_asm_operands): Don't promote the temporary.
+
+2000-03-22  Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+	* builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
+	* c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
+	  c_get_alias_set): Likewise.
+	* c-decl.c (duplicate_decls): Likewise.
+	* c-typeck.c (default_conversion,build_unary_op): Likewise.
+	* calls.c (initialize_argument_information): Likewise.
+	* dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
+	Likewise.
+	* dwarfout.c (decl_class_context,output_type): Likewise.
+	* expr.c (get_inner_reference): Likewise.
+	* fold-const.c (simple_operand_p,fold): Likewise.
+	* function.c (aggregate_value_p): Likewise.
+	* stmt.c (expand_asm_operands): Likewise.
+	* varasm.c (named_section): Likewise.
+
+2000-03-22  Jason Merrill  <jason@casey.cygnus.com>
+
+	Implement dwarf2 exception handling for the ARM.
+	* config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
+	(DWARF_FRAME_RETURN_COLUMN): Define.
+	* config/arm/arm.c (emit_multi_reg_push): Return rtx.  Attach
+	REG_FRAME_RELATED_EXPR note.
+	(emit_sfm): Likewise.
+	(arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
+	* dwarf2out.c (reg_save): Handle saving a register to itself.
+	(dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
+	* except.c (eh_regs): Don't use the static chain reg if it's
+	callee-saved.
+	* frame.h (frame_state): Add cfa_saved field.
+	* frame.c (execute_cfa_insn): Set it.
+	* libgcc2.c (throw_helper): Don't adjust sp if it's restored in
+	the epilogue.
+	* function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
+	Now takes a parm.
+	(instantiate_virtual_regs): Adjust.
+	* tm.texi: Adjust.
+	* config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
+	* config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
+	* config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
+
+	* dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
+	(initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
+
+2000-03-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* builtins.def: New file.
+
+	* Makefile.in (TREE_H): Depend on builtins.def.
+
+	* builtins.c (built_in_names): Use builtins.def.
+
+	* tree.h (built_in_function): Likewise.
+
+2000-03-22  Mark Mitchell  <mark@codesourcery.com>
+
+	* tree.c (size_in_bytes): Return size_zero_node, not
+	integer_zero_node.
+
+2000-03-22  Geoff Keating  <geoffk@cygnus.com>
+
+	* config/fp-bit.c (pack_d): Correct the case when a denormal
+	is rounded up and stops being denormal.
+
+2000-03-21  Richard Henderson  <rth@cygnus.com>
+
+	* config/alpha/alpha.c (function_arg): Check for void_type_node
+	before using MUST_PASS_IN_STACK.
+
+2000-03-21  Stephane Carrez  <stcarrez@worldnet.fr>
+
+	* regmove.c (combine_stack_adjustments_for_block): Check that
+	the stack pointer is a valid memory address.
+
+Wed Mar 22 11:44:50 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* calls.c: re-install Mar 16 emit_library_call merge.
+
+2000-03-21  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.c (mem_min_alignment): If not optimizing,
+	we cannot be sure that if reload_completed base register will
+	be properly aligned.
+
+2000-03-21  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (delete_block): Fix typo last change.
+
+2000-03-21  Mark Mitchell  <mark@codesourcery.com>
+
+	* c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
+	not COMPLETE_TYPE_P, to check the type of the expression.
+
+2000-03-21  Michael Meissner  <meissner@redhat.com>
+
+	* config/alpha/alpha.md (floating point insns): Add TARGET_FP to
+	all floating point insns that just tested the macro
+	TARGET_HAS_XFLOATING_LIBS.
+	(movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
+	used to only use the gprs.
+
+2000-03-21  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* tree.h (COMPLETE_TYPE_P): New macro.
+	(COMPLETE_OR_VOID_TYPE_P): New macro.
+	(COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
+	* stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
+	* c-aux-info.c (gen_type): Use them.
+	* c-common.c (c_expand_expr_stmt): Likewise.
+	* c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
+	grokdeclarator, grokparms, finish_struct, start_function,
+	store_parm_decls, combine_parm_decls): Likewise.
+	* c-parse.y (cast_expr): Likewise.
+	* c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
+	c_size_in_bytes, c_alignof, build_component_ref,
+	build_indirect_ref, build_array_ref, convert_arguments,
+	build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
+	* calls.c (initialize_argument_information): Likewise.
+	* convert.c (convert_to_integer): Likewise.
+	* dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
+	* dwarfout.c (location_or_const_value_attribute,
+	output_enumeration_type_die, output_structure_type_die,
+	output_union_type_die, output_type): Likewise.
+	* expr.c (safe_from_p, expand_expr): Likewise.
+	* function.c (assign_parms): Likewise.
+	* sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
+	* tree.c (build_array_type, build_function_type,
+	build_method_type, build_offset_type, build_complex_type): Likewise.
+	* c-parse.c, c-parse.h: Regenerated.
+
+2000-03-21  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/rtems.h: Include config/rtems.h.
+
+Tue Mar 21 09:24:00 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
+	decl is a FUNCTION_DECL
+
+Mon Mar 20 19:53:53 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
+	function uses output registers.  Don't save RP for leaf functions.
+	Do save RP even if no epilogue.
+	* config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
+	(CALL_USED_REGISTERS): Unmark in registers.
+	(REG_ALLOC_ORDER): Move out regs up, to near the top.  Move in regs up,
+	to near the middle.
+
+2000-03-20  Geoff Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/rs6000.md (bunordered): New expander.
+	(bordered): New expander.
+	(buneq): New expander.
+	(bunge): New expander.
+	(bungt): New expander.
+	(bunle): New expander.
+	(bunlt): New expander.
+	(bltgt): New expander.
+
+	* config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
+	(ccr_bit_negated_p): New function.
+	(print_operand): For %C, generate appropriate cror for UNEQ,
+	UNLT, UNGT, and LTGT.  For %T and %t, use ccr_bit_negated_p.
+
+2000-03-20  Andreas Jaeger  <aj@suse.de>
+
+	* sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
+	warning.
+
+	* tree.h (safe_for_unsave): Prototype.
+
+2000-03-20  Richard Henderson  <rth@cygnus.com>
+
+	* regmove.c (stack_memref_p): Fix typo, reorg for readability.
+	(combine_stack_adjustments_for_block): Don't allow sp references
+	in the side of a set we're not fixing up.
+	* toplev.c (rest_of_compilation): Run combine_stack_adjustments
+	after life_analysis.
+
+2000-03-20  Richard Henderson  <rth@cygnus.com>
+
+	* calls.c (expand_call): Don't bother generating tail call
+	sequences if there are pending cleanups.  Use
+	expand_start_target_temps/expand_end_target_temps to elide
+	cleanups created during sibcall expansion.
+
+2000-03-20  Geoff Keating  <geoffk@cygnus.com>
+
+	* configure.in: Set $IFS to a value if it doesn't already have one
+	in the --enable-checking handling.
+	* configure: Regenerate.
+
+2000-03-20  Martin v. Löwis  <loewis@informatik.hu-berlin.de>
+
+	* c-parse.in (SAVE_WARN_FLAGS): Use size_int.
+	* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
+	Regenerated.
+
+Mon Mar 20 11:43:15 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* jump.c (delete_noop_moves): Remove code attempting to
+	combine stack adjustments.
+
+2000-03-19  Martin v. Löwis  <loewis@informatik.hu-berlin.de>
+
+	* emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
+	* except.c (emit_cleanup_handler): Use them.
+	(expand_end_all_catch): Likewise.
+	* function.c (fixup_var_refs): Likewise.
+	(expand_function_end): Clear catch_clauses_last.
+	* rtl.h (push_to_full_sequence, end_full_sequence): Declare.
+	* except.h (struct eh_status): New field x_catch_clauses_last.
+	(catch_clauses_last): New define.
+
+	* Makefile.in (tree.o): Depend on HASHTAB_H.
+	* tree.c: Include hashtab.h.
+	(struct type_hash): Remove next field.
+	(TYPE_HASH_SIZE): Remove.
+	(TYPE_HASH_INITIAL_SIZE): New define.
+	(type_hash_table): Change type to htab_t.
+	(type_hash_eq, type_hash_hash, print_type_hash_statistics,
+	mark_hash_entry): New functions.
+	(init_obstacks): Allocate type hash.
+	(type_hash_lookup): Use htab functions.
+	(type_hash_add, mark_type_hash): Likewise.
+	(dump_tree_statistics): Call print_type_hash_statistics.
+
+2000-03-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* rs6000/t-aix41: New file.
+
+	* configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
+
+Sun Mar 19 13:27:30 2000  Hans-Peter Nilsson  <hp@axis.com>
+
+	* tm.texi (Driver): Fix typos and tweak entry for
+	INCLUDE_DEFAULTS.
+	Move misplaced STRUCT_FORCE_BLK entry ...
+	(Storage Layout): ... to here.
+	(Run-time Target): Recommend having TARGET_MASK_... helper macros.
+
+2000-03-19  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (delete_block): Delete the addr_vec along with the block.
+	(flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
+	reference labels.
+
+	* fold-const.c (extract_muldiv): Apply type check for defined
+	overflow to multiply as well as divide.
+
+	* stor-layout.c (layout_decl): Don't abort on any zero sized decl.
+
+2000-03-18  Mark Mitchell  <mark@codesourcery.com>
+
+	* emit-rtl.c (remove_unncessary_notes): Check that all
+	NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
+	associated NOTE_BLOCK.
+	* function.h (identify_blocks): Update comments.
+	(reorder_blocks): Declare.
+	* function.c (identify_blocks): Don't take paramters.
+	(reorder_blocks): Don't take parameters.
+	* loop.h (find_loop_tree_blocks): Remove.
+	(unroll_block_trees): Likewise.
+	* loop.c (loop_optimize): Don't call find_loop_tree_blocks.  Use
+	reorder_blocks instead of unroll_block_trees.h
+	* sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
+	* stmt.c (find_loop_tree_blocks): Remove.
+	(unroll_block_trees): Likewise.
+	* toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
+	in whole-function mode.
+	* tree.h (reorder_blocks): Remove declaration.
+
+	* expr.c: Include intl.h.
+	* Makefile.in (expr.o): Depend on intl.h.
+
+2000-03-18  Richard Henderson  <rth@cygnus.com>
+
+	* expr.c (emit_move_insn_1): Clarify cannot_inline message.
+
+2000-03-18  Mark Mitchell  <mark@codesourcery.com>
+
+	* tree.h (tree_index): Remove enumerals for integer types.
+	(integer_type_kind): New type.
+	(integer_types): New variable.
+	(char_type_node): Adjust.
+	(signed_char_type_node): Likewise.
+	(unsigned_char_type_node): Likewise.
+	(short_integer_type_node): Likewise.
+	(short_unsigned_type_node): Likewise.
+	(integer_type_node): Likewise.
+	(unsigned_type_node): Likewise.
+	(long_integer_type_node): Likewise.
+	(long_unsigned_type_node): Likewise.
+	(long_long_integer_type_node): Likewise.
+	(long_long_unsigned_type_node): Likewise.
+	* tree.c (integer_types): New variable.
+	(init_obstacks): Register it as a root.
+
+Sat Mar 18 14:38:00 2000  Jason Eckhardt  <jle@cygnus.com>
+
+	* bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
+	NEXT_INSN. Update last insn in chain.
+
+2000-03-17  Jason Merrill  <jason@casey.cygnus.com>
+
+	* dwarf2out.c (dwarf2out_decl): Don't emit anything for types
+	with TYPE_DECL_SUPPRESS_DEBUG set.
+
+2000-03-18  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
+
+2000-03-18  Richard Henderson  <rth@cygnus.com>
+
+	* i386.c (call_insn_operand): Always allow SYMBOL_REF,
+	care for HALF_PIC_P.
+	(expander_call_insn_operand): Remove.
+	(ix86_expand_epilogue): New arg `emit_return' to control return insn.
+	* i386.h (PREDICATE_CODES): Update.
+	* i386.md (all call expanders): Remove predicates, remove special
+	handling for half-pic.
+	(*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
+	(*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
+	(sibcall_epilogue): New.
+
+2000-03-17  Richard Henderson  <rth@cygnus.com>
+
+	* rtlanal.c (single_set): Reject if the parallel has anything
+	except SET or USE or CLOBBER.
+
+2000-03-17  Jeff Law  <law@cygnus.com>
+	    Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (OBJS): Add sibcall.o.
+	(sibcall.o): New.
+	* sibcall.c: New file.
+	* calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
+	(ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
+	(emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
+	Emit sibcall patterns when requested.  Update all callers.
+	(expand_call): Generate CALL_PLACEHOLDER insns when tail call
+	elimination seems feasable.
+	* final.c (leaf_function_p): Sibling calls don't discount being
+	a leaf function.
+	* flow.c (HAVE_sibcall_epilogue): Provide default.
+	(find_basic_blocks_1): Sibling calls don't throw.
+	(make_edges): Make edge from sibling call to EXIT.
+	(propagate_block): Don't remove sibcall_epilogue insns.
+	* function.c (prologue, epilogue): Turn into varrays.  Update all uses.
+	(sibcall_epilogue): New.
+	(fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
+	(identify_blocks_1): Likewise.  Break out from ...
+	(identify_blocks): ... here.
+	(reorder_blocks_1): Scan CALL_PLACEHOLDER.  Break out from ...
+	(reorder_blocks): ... here.
+	(init_function_for_compilation): Zap prologue/epilogue as varrays.
+	(record_insns): Extend a varray instead of mallocing new memory.
+	(contains): Read a varray not array of ints.
+	(sibcall_epilogue_contains): New.
+	(thread_prologue_and_epilogue_insns): Emit and record
+	sibcall_epilogue patterns.
+	(init_function_once): Allocate prologue/epilogue varrays.
+	* genflags.c (gen_insn): Treat sibcall patterns as calls.
+	* integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
+	Broken out from ...
+	(save_for_inline_nocopy): ... here.
+	(copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
+	Broken out from ...
+	(expand_inline_function): ... here.
+	(copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
+	(subst_constants): Handle 'n' formats.
+	* jump.c (jump_optimize_minimal): New.
+	(jump_optimize_1): New arg `minimal'; update callers.  Elide most
+	optimizations if it's set.
+	* rtl.c (copy_rtx): Do copy jump & call for insns.
+	* rtl.h (struct rtx_def): Document use of jump and call for insns.
+	(SIBLING_CALL_P): New.
+	(sibcall_use_t): New.
+	* toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
+	Invoke optimize_sibling_and_tail_recursive_calls.
+	* tree.c (lang_safe_for_unsave): New.
+	(safe_for_unsave): New.
+	* tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
+
+	* alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
+	* alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
+	(*sibcall_osf_1, *sibcall_value_osf_1): New.
+
+2000-03-17  Mark Mitchell  <mark@codesourcery.com>
+
+	* objc/objc-act.c (encode_method_prototype): Pass types, not
+	PARM_DECLs, to int_size_in_bytes.
+
+Fri Mar 17 11:51:34 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
+
+	* config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
+	config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
+
+Fri Mar 17 08:09:14 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* Clean up usages of TREE_INT_CST_LOW.
+	* c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
+	* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
+	Regenerated.
+	* c-tree.h (min_precision): Move declaration to here.
+	* c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
+	(build_unary_op, add_pending_init): Use bit_position.
+	(pending_init_member, process_init_element): Likewise.
+	(really_start_incremental_init, push_init_level, pop_init_level):
+	Don't make copies of nodes or modify them in place, use consistent
+	types when tracking positions, and use tree routines computations.
+	(set_init_index, output_init_element): Likewise.
+	(output_pending_init_elements, process_init_element): Likewise.
+	* dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
+	tree_low_cst and int_bit_position; also minor cleanup.
+	(dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
+	(print_cst_octal): Precision is unsigned.
+	(dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
+	* dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
+	(simple_type_align_in_bits): Result is unsigned int.
+	Use tree_int_low_cst and host_integerp.
+	(simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
+	(field_byte_offset): Result is HOST_WIDE_INT.
+	Change types of internal variables so alignments are unsigned int,
+	offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
+	Use host_integerp, tree_low_cst, and int_bit_position.
+	(add_bit_offset_attribute): Likewise.
+	(add_data_member_location_attribute): Use tree_cst_low.
+	(add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
+	(add_bit_size_attribute): Use tree_low_cst.
+	(add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
+	* dwarfout.c: Similar changes to dwarf2out.c.
+	* expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
+	* genoutput.c (n_occurences): Return -1 for null string.
+	(strip_whitespace): Accept null string and make into function.
+	(scan_operands): Reflect above changes.
+	* sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
+	(sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
+	* ssa.c (rename_registers): Add missing cast of arg to bzero.
+	* tree.c (int_size_in_bytes): Check for too big to represent.
+	(bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
+	* tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
+	New declarations.
+	(min_precision): Delete from here.
+	* varasm.c (decode_addr_const): Use host_integerp, bit_position,
+	and int_bit_position.
+	* objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
+	(encode_method_def): Likewise.
+	(build_ivar_list_initializer): Use int_bit_position.
+	(generate_shared_structures): Convert size.
+	(encode_type, encode_complete_bitfield): Use integer_zerop.
+	(encode_bitfield): Use tree_low_cst and int_bit_position.
+
+2000-03-17  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.h (CPP_SPEC): Fix typo.
+
+2000-03-17  Martin v. Löwis  <loewis@informatik.hu-berlin.de>
+
+	* call.c (special_function_p): It is only malloc if it returns
+	Pmode.
+
+2000-03-17  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
+	(C33_FLAG, TARGET_C3X): Add macros.
+	(TARGET_SWITCHES): Add -m33 option.
+	* config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
+
+2000-03-17  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
+	(PARALLEL_PACK_FLAG): Delete.
+	(TARGET_SWITCHES): Update.
+	(TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
+
+Thu Mar 16 18:52:32 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* fold-const.c (fold): Fix a few cases when the returned result
+	is not of the same type as the input.
+
+2000-03-16  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
+	warning.
+
+2000-03-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* libgcc2.h: Move prototypes above macros with the same name.
+	Wrap some function prototypes in the conditional which indicates
+	whether they are supported, i.e. "BITS_PER_UNIT == 8".
+
+2000-03-16  Richard Henderson  <rth@cygnus.com>
+
+	* calls.c: Revert last two changes.
+
+2000-03-16  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
+	has exponent 0 is a zero.
+
+	* simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
+	HASH may already be nonzero.  Add code/mode into hash value
+	immediately after repeat label.
+	(cselib_lookup): Don't leave the hash table in an inconsistent
+	state before a hash lookup operation.
+
+Thu Mar 16 17:03:10 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.md (all HI and QI mode non-move patterns):  Conditionize
+	by TARGET_[HQ]IMODE_MATH.
+	* i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
+	x86_promote_qi_regs): Declare.
+	(TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
+	TARGET_PROMOTE_QI_REGS): New macros.
+	(PROMOTE_MODE): New macro.
+	* i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
+	x86_promote_qi_regs): New global variables.
+
+Thu Mar 16 16:50:44 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* calls.c (emit_library_call_value_1): Break out from ...; handle
+	VOIDmode function calls too.
+	(emit_library_call_value): ... here.
+	(emit_library_call): Implement by calling emit_library_call_value_1.
+
+Thu Mar 16 16:01:30 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* calls.c (expand_call): Do sanity checking on arg_space_so_far.
+	Update arg_space_so_far on stack adjustments.
+	(emit_library_call, emit_library_call_value): Likewise; take into
+	account arg_space_so_far and pending_stack_adjust when calculcating
+	the boundary.
+
+Thu Mar 16 09:02:19 2000  Jason Eckhardt  <jle@cygnus.com>
+
+	* flow.c: Move all basic block reordering code into its own file.
+	(create_basic_block): Externalize.
+	* bb-reorder.c: New file. Copy all basic block reordering code from
+	flow.c to this file.
+	(reorder_basic_blocks): Fix fencepost error in for-loop.
+	(reorder_basic_blocks): Remove braces from single statement for-loops.
+	* basic-block.h: Add declaration for create_basic_block.
+	* Makefile.in: Add rules for bb-reorder.o.
+
+2000-03-16  Neil Booth  <NeilB@earthling.net>
+
+	* cppinit.c (handle_option):  Implement #unassert directive
+	as -A- command line option.
+	(print_help):  Update.
+	* cpptexi.c:  Update.
+
+Thu Mar 16 02:14:16 2000  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* md.texi (Standard Names): Document `jump'.
+
+2000-03-15  Jason Merrill  <jason@casey.cygnus.com>
+
+	* calls.c (emit_call_1): Nothrow functions can still have nonlocal
+	gotos.
+
+2000-03-15  Geoff Keating  <geoffk@cygnus.com>
+
+	Merge changes from newppc-branch onto trunk.
+
+	2000-03-15  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.c (toc_hash_table): Update for new hash table functions.
+	(toc_hash_function): Likewise.
+	(toc_hash_eq): Likewise.
+	(toc_hash_mark_entry): Likewise.
+	(toc_hash_mark_table): Likewise.
+	(output_toc): Likewise.
+	(rs6000_add_gc_roots): Likewise.
+
+	2000-03-15  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* t-aix43 (AR_FOR_TARGET): Deleted.  Moved `-X32_64'...
+	(AR_FLAGS_FOR_TARGET): here.  New macro.
+
+	2000-03-05  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
+	fpmem_operand) Delete.
+	(xer_operand) New.
+	(rs6000_reg_names, alt_reg_names): Change fpmem to xer.
+	(machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
+	(rs6000_save_machine_status, rs6000_restore_machine_status,
+	rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
+	references to above variables.
+	(gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
+	* config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
+	DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
+	(FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
+	(XER_REGNO_P, XER_REGNO): New.
+	(rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
+	(PREDICATE_CODES): Change fpmem_operand to xer_operand.
+	(HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
+	XER_REGNO_P.
+	(reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
+	REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS,		and remove FLOAT_OR_FPMEM_REGS.
+	(CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
+
+	2000-02-29  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+	* aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
+	TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
+	* rs6000.h: from here.
+
+	* rs6000-protos.h (rs6000_select_section): Provide prototype.
+	(rs6000_select_rtx_section): Likewise.
+	(rs6000_encode_section_info): Likewise.
+	(sdata_section): Likewise.
+	(sdata2_section): Likewise.
+	(sbss_section): Likewise.
+	* sysv4.h (rs6000_select_section): Delete prototype.
+	(rs6000_select_rtx_section): Likewise.
+	(rs6000_encode_section_info): Likewise.
+	(sdata_section): Likewise.
+	(sdata2_section): Likewise.
+	(sbss_section): Likewise.
+	(REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
+
+	* sysv4.h: Delete various unnecessary #undef's and put a comment
+	on the remaining ones.
+	Change various comments according to coding standard.
+
+	2000-02-29  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
+	CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
+	(CR0_REGNO_P) Remove.
+	* config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
+	setup_incoming_varargs, mtcrf_operation, print_operand,
+	rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
+	Use the above macros.
+
+	2000-02-24  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/rs6000/rs6000.md: Added a new alternative for each
+	pattern that had a 'x' alternative but no 'y' alternative.
+	Added a new split for each of the above patterns.
+
+	2000-02-18  Geoff Keating  <geoffk@cygnus.com>
+
+	* aix41.h (ASM_CPU_SPEC): Delete.
+	(CPP_CPU_SPEC): Delete.
+
+	* aix.h (RS6000_OUTPUT_BASENAME): Define.
+	(ASM_OUTPUT_LABEL): Define.
+	(ASM_GLOBALIZE_LABEL): Define.
+	(STRIP_NAME_ENCODING): Define.
+	* rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
+	(STRIP_NAME_ENCODING): Don't define.
+	(ASM_OUTPUT_LABEL): Don't define.
+	(ASM_GLOBALIZE_LABEL): Don't define.
+	* sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
+	names, and ASM_OUTPUT_LABEL to output labels, rather than
+	asm_fprintf.
+	(ASM_OUTPUT_LABEL): Define.
+	(ASM_OUTPUT_INT): Use assemble_name.
+	(ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
+	(STRIP_NAME_ENCODING): Don't undefine first.
+	(RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
+	ELF.
+	(ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
+	specified with 'asm' even with -fleading-underscore.
+	* rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
+	(output_epilog): Likewise.
+	(output_toc): Likewise.
+	* tramp.asm: Handle -fleading-underscore correctly.
+
+	* rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
+	-mminimal-toc.
+	(nonlocal_goto_receiver): Delete.
+	* rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
+
+	* rs6000.h (ASM_OUTPUT_DEF): Don't define.
+	(SET_ASM_OP): Define.
+	* sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
+
+	* rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
+	(ASM_LONG): Define.
+
+	* rs6000.c (rs6000_dll_import_ref): Delete, not used.
+	* rs6000-protos.h (rs6000_dll_import_ref): Delete.
+
+	* rs6000.h: Add 'u' to more constants.
+
+	2000-02-18  David Edelsohn  <edelsohn@gnu.org>
+
+	* rs6000.md (mfcr+shift): Delete PowerPC64 version.
+
+	2000-02-15  David Edelsohn  <edelsohn@gnu.org>
+
+	* rs6000.c (reg_or_u_cint_operand): New function.
+	(logical_operand): Handle 64-bit hosts.
+	(logical_u_operand): New function.
+	(non_logical_cint_operand): Handle 64-bit hosts.
+	(non_logical_u_cint_operand): New function.
+	* rs6000.h (DATA_SECTION_ASM_OP): Add tab.
+	(PREDICATE_CODES): Define new functions.
+	* rs6000-protos.h: Declare new functions.
+	* rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
+	(movdi_64): Bracket code intended for 64-bit hosts.  Create
+	CONST_DOUBLE for 32-bit values.
+	(scc insns): Generate DImode compares.
+	(mfcr insns): Create DImode versions.
+	(sge matchers): New patterns.
+
+	2000-02-15  Gabriel Paubert  <paubert@iram.es>
+
+	* rs6000.md: Correct instructions length attributes and
+	constraints on unsigned compare instructions.
+	(*ne0): Disable for PowerPC64.
+
+	2000-02-11  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.c (output_function_profiler): Use .long for a 32-bit
+	quantity, fix profile1.C test failure under -fPIC.
+
+	* rs6000.c: Add 'u' to many constants to suppress warnings.
+	(constant_pool_expr_1): Make static.
+	(rs6000_emit_eh_toc_restore): Remove unused 'r2'.
+	* rs6000.h: Add 'u' to many constants to suppress warnings.
+
+	* rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
+	for the start of the TOC, instead of LCTOC..0.
+	* aix.h (toc_section): Use LCTOC..1 under AIX for the start
+	of the TOC.
+	* rs6000.md (load_toc_aix_si): Use LCTOC..1.
+	(load_toc_aix_di): Use LCTOC..1.
+
+	* rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
+	* rs6000.c (rs6000_legitimize_address): New function from
+	LEGITIMIZE_ADDRESS.  Only use create_TOC_reference on
+	symbols in the constant pool that really are TOC references.
+	(print_operand_address): For ELF, write TOC offsets under
+	-fPIC as subtractions in the insn.
+	(output_toc): For ELF, define symbols in TOC as normal labels,
+	to match RTL.
+	(create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
+	* rs6000-protos.h (rs6000_legitimize_address): Prototype.
+	(create_TOC_reference): Prototype only when RTX_CODE is defined.
+	* rs6000.md (movsi): Only use create_TOC_reference on
+	symbols in the constant pool that really are TOC references.
+
+	* rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
+	* rs6000.c (rs6000_reorg): Delete.
+	* rs6000-protos.h (rs6000_reorg): Delete.
+
+	2000-02-09  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
+
+	* aix.h (SETUP_FRAME_ADDRESSES): Define.
+	* rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
+	[TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
+	[TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
+	* rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
+	rs6000_aix_emit_builtin_unwind_init.
+	* rs6000.md (eh_epilogue) [TARGET_AIX]: Call
+	rs6000_emit_eh_toc_restore on AIX.
+	(return_eh_si): Use r2.
+	(return_eh_di): Use r2.
+
+	* aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
+	since we're breaking binary compatibility anyway.
+
+	2000-02-09  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
+	constant_pool_expr_p): Declare them.
+	(constant_pool_expr_p): Declare it.
+	* config/rs6000/rs6000.c (toc_label_name): Define.
+	(rs6000_override_options): Set toc_label_name.
+	(input_operand): Allow any TOC_RELATIVE_EXPR_P.
+	(get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
+	uses_TOC): New functions.
+	(print_operand): Delete old '*' case.
+	(print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
+	and strip off rtl for TOC before calling output_addr_const.
+	(rs6000_emit_load_toc_table): Use toc_label_name.
+	* config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
+	the default.
+	(LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
+	(CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
+	(LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
+	(LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
+	into explicit TOC_REGISTER offsets.
+	(TOC_REGISTER): New macro.
+	* config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
+	TARGET_TOC to reference TOC_REGISTER.
+	(load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
+	* config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
+	uses_TOC before emitting label references.
+
+	2000-02-05  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.md (stack_tie): Fix warning.
+
+	* eabi-ctors.c: Use 'asm' names for the start/end variables,
+	to handle -fleading-underscore.
+	* sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
+	(USER_LABEL_PREFIX): New macro.
+	(ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
+	(ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
+	* t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
+	call-linux can use the same multilibs.
+	* t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
+	and call-linux multilibs.  Do multilib with -fleading-underscore.
+	(MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
+	(MULTILIB_EXCEPTIONS): Remove call-linux exceptions.  Add restrictions
+	to call-aix.
+
+	* sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
+	have MASK_SOFT_FLOAT set.
+	(CPP_FLOAT_DEFAULT_SPEC): New macro.
+	(SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
+	CPP_FLOAT_DEFAULT_SPEC.
+
+	* rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
+	* rs6000.md: Whitespace change.
+	* sysv4.h (LINK_TARGET_SPEC): Whitespace change.
+	* sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
+
+	2000-02-05  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.md (eh_epilogue): New expander.
+	(eh_reg_restore): New expand/split/insn combination.
+	(return_eh_si): New insn.
+	(return_eh_di): New insn.
+
+	* eabi-ci.asm: Put a label at the start of the .eh_frame section.
+	* eabi-cn.asm: Put a zero at the end of the .eh_frame section.
+	* eabi-ctors.c (__do_global_ctors): Register this object's
+	frame.  Clean up.  Call atexit() after the constructors.
+	(__do_global_dtors): Deregister this object's frame.  Clean up.
+	Allow for recursive calls to exit().
+	* rs6000.c (fixuplabelno): New variable.
+	* sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
+	TARGET_RELOCATABLE, it slows down exec() under linux.
+	(ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
+
+	* aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
+	(ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
+	(ASM_OUTPUT_DWARF_DELTA2): New macro.
+	(ASM_OUTPUT_DWARF_DELTA4): New macro.
+	(ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
+	(ASM_OUTPUT_DWARF_ADDR): New macro.
+	(ASM_OUTPUT_DWARF_DATA4): New macro.
+	(ASM_OUTPUT_DWARF_DATA2): New macro.
+	(ASM_OUTPUT_DWARF_OFFSET4): New macro.
+	(ASM_OUTPUT_DWARF_OFFSET): New macro.
+	(UNALIGNED_INT_ASM_OP): New macro, fake definition.
+
+	2000-02-03  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.c (rs6000_sr_alias_set): New variable.
+	(rs6000_override_options): Initialise rs6000_sr_alias_set.
+	(rs6000_emit_stack_tie): New function.
+	(rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
+	in a way that dwarf2out can understand.
+	(rs6000_frame_related): New function.
+	(rs6000_emit_prologue): Use rs6000_sr_alias_set.  Specify
+	RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
+	Use rs6000_emit_stack_tie when needed.
+	(rs6000_emit_epilogue): Use rs6000_sr_alias_set.  Don't set
+	RTX_FRAME_RELATED_P.  Use rs6000_emit_stack_tie when needed.
+	* rs6000.md (stack_tie): New insn.
+	(return_internal_si): Allow return value to be in the count
+	register.
+	(return_internal_di): Likewise.
+
+	* rs6000.c (output_mi_thunk): Remove unused variable `sp'.
+
+	2000-02-03  Geoff Keating  <geoffk@cygnus.com>
+
+	* sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
+
+	2000-01-31  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
+
+	* rs6000.md (stmw): Use the right POWER opcode.
+	(lmw): Likewise.
+
+	2000-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* rs6000-protos.h: New file.
+
+	* rs6000.c: Include tm_p.h.  Fix compile time warnings.
+
+	* rs6000.h: Move prototypes to rs6000-protos.h.  Fix compile time
+	warnings.
+
+	* sysv4.h: Likewise.
+
+	2000-01-28  Geoff Keating  <geoffk@cygnus.com>
+
+	* ../../configure.in: Delete powerpcle-*-winnt*
+	and powerpcle-*-pe|powerpcle-*-cygwin*.
+	* ../../configure: Regenerated.
+	* cygwin.h: Delete.
+	* rs6000.h (OBJECT_WINDOWS_NT): Delete.
+	(TARGET_WINDOWS_NT): Delete.
+	(ABI_NT): Delete.
+	(CALL_NT_DLLIMPORT): Delete.
+	Delete NT-specific code.
+	* rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
+	* win-nt.h: Delete.
+	* t-winnt: Delete.
+	* nt-ci.asm: Delete.
+	* nt-cn.asm: Delete.
+	* ntstack.asm: Delete.
+
+	2000-01-27  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+	* rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
+	(ASM_FILE_START): Likewise.
+	(ASM_DECLARE_FUNCTION_NAME): Likewise.
+	(ASM_OUTPUT_LABELREF): Likewise.
+	(ASM_OUTPUT_SKIP): Likewise.
+	(ASM_OUTPUT_INTERNAL_LABEL): Likewise.
+	(ASM_GENERATE_INTERNAL_LABEL): Likewise.
+	(ASM_OUTPUT_CASE_LABEL): Likewise.
+	(ASM_OUTPUT_ALIGNED_COMMON): Likewise.
+	(ASM_OUTPUT_ASCII): Likewise.
+
+	2000-01-27  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
+	reload_toc_labelno for non-prologue TOC reloads.  Also, don't
+	increment rs6000_pic_labelno here.
+	(rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
+	and increment rs6000_pic_labelno here.
+
+	2000-01-24  Geoffrey Keating  <geoffk@cygnus.com>
+
+	* rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
+	rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
+	allocation knows (reg) is dead before the insn.
+
+	2000-01-21  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.md (movsi_to_cr): Correct typo in output template.
+
+	2000-01-19  Geoffrey Keating  <geoffk@cygnus.com>
+
+	* rs6000.c (rs6000_pic_labelno): Always define.
+	(rs6000_pic_func_labelno): Delete.
+	(lmw_operation): Check for a zero base register,
+	which doesn't mean what we want.
+	(stmw_operation): New function.
+	(print_operand): Define new 'l' modifier.
+	(rs6000_stack_info): We must save all 64 bits of the registers
+	if TARGET_POWERPC64.
+	(rs6000_output_load_toc_table): Delete.
+	(rs6000_emit_load_toc_table): New function.
+	(rs6000_allocate_stack_space): Delete.
+	(rs6000_emit_allocate_stack): New function.
+	(rs6000_emit_prologue): New function.
+	(output_prolog): Use rs6000_emit_prologue.
+	(rs6000_emit_epilogue): Change a few variable names to be
+	more accurate.  Restore all 64 bits of the registers if
+	TARGET_POWERPC64.  Only restore the FP registers which were used
+	if they are being saved/restored one-at-a-time.
+	(output_mi_thunk): Delete inefficient code generation.
+	(output_function_profiler): Don't use rs6000_output_load_toc_table.
+	* rs6000.h: Declare rs6000_emit_load_toc_table,
+	rs6000_allocate_stack_space, stmw_operation.  Don't declare
+	rs6000_output_load_toc_table.
+	* rs6000.md (elf_high): Allow register 0, but discourage it
+	heavily.
+	(elf_low): Support loading into register 0.
+	(load_toc_aix_si): New pattern.
+	(load_toc_aix_di): New pattern.
+	(load_toc_v4_pic_si): New pattern.
+	(load_toc_v4_pic_di): New pattern.
+	(load_toc_v4_PIC_1): New pattern.
+	(load_toc_v4_PIC_1b): New pattern.
+	(load_toc_v4_PIC_2): New pattern.
+	(builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
+	(nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
+	(prologue): New expander.
+	(movesi_from_cr): New pattern.
+	(stmw): New pattern.
+	(save_fpregs_si): New pattern.
+	(save_fpregs_di): New pattern.
+
+	2000-01-19  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
+	(movdi): Likewise.
+	(movhi): Likewise.
+	(movqi): Likewise.
+
+	2000-01-19  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
+	at present.
+	(movsi_got_internal): Likewise.
+	(movsi_got_internal+1): Likewise.
+	(set_sp): 'unspec 7' does a SImode clobber.
+
+	2000-01-19  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.md (floatsidf2): Don't use the fpmem "register", just
+	allocate a stack temporary.
+	(floatsidf2_internal): Likewise.
+	(floatsidf2_internal+1): Likewise.  Don't do bizzare hacks
+	with unspec.
+	(floatunssidf2): Don't use the fpmem "register", just
+	allocate a stack temporary.
+	(floatunssidf2_internal): Likewise.
+	(floatunssidf2_internal+1): Likewise.  Don't do bizzare hacks
+	with unspec.
+	(floatsidf2_loadaddr): Delete.
+	(floatsidf2_store1): Delete.
+	(floatsidf2_store2): Delete.
+	(floatsidf2_load): Delete.
+	(fix_truncdfsi2): Don't use the fpmem "register", just
+	allocate a stack temporary.
+	(fix_truncdfsi2_internal_si): Delete.
+	(fix_truncdfsi2_internal_di): Delete.
+	(fix_truncdfsi2_internal): New insn.
+	(fix_truncdfsi2_internal+1): Don't use the fpmem "register".
+	(fix_truncdfsi2_store): Delete.
+	(fix_truncdfsi2_load): Delete.
+	(fctiwz): Produce gen_fctiwz.
+
+	2000-01-19  Geoffrey Keating  <geoffk@cygnus.com>
+
+	* eabi.h (INVOKE__main): Define.
+	* rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
+	specially.
+	(rs6000_emit_prologue): Likewise.
+	* rs6000.h (struct rs6000_stack): Don't keep track of whether
+	this is the main program.
+
+	2000-01-19  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.c (rs6000_va_arg): Delete some unused variables.
+
+	2000-01-19  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
+	goes after the argument.
+
+	2000-01-12  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.md: Document 'unspec' values used.
+	(epilogue): New expander.
+	(movesi_to_cr_one): New expander.
+	(movesi_to_cr and following): New pattern.
+	(lmw): New pattern.
+	(return_internal_si): New pattern.
+	(return_internal_di): New pattern.
+	(return_and_restore_fpregs_si): New pattern.
+	(return_and_restore_fpregs_di): New pattern.
+	* rs6000.h: Declare new functions.
+	* rs6000.c (rs6000_stack_info): Use current_function_is_leaf
+	rather than rs6000_calls_p.
+	(rs6000_makes_calls): Delete.
+	(lmw_operation): New function.
+	(mtcrf_operation): New function.
+	(rs6000_emit_epilogue): New function.
+	(output_epilog): Call rs6000_emit_epilogue and final if
+	!TARGET_SCHED_PROLOG, instead of writing text unconditionally.
+
+	2000-01-12  Geoff Keating  <geoffk@cygnus.com>
+
+	* aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
+	* aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
+	* aix.h (SUBTARGET_SWITCHES): Document switches.
+	* rs6000.h: (TARGET_SWITCHES): Don't print options twice.  Make
+	sched-prolog and sched-epilog the same.  Document all the
+	switches.
+	(TARGET_OPTIONS): No longer allow -mdebug-.
+
+	2000-01-12  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.h (ASM_FILE_END): Move to aix.h.
+	(EXTRA_SECTIONS): Move to aix.h.
+	(READONLY_DATA_SECTION): Move to aix.h.
+	(EXTRA_SECTION_FUNCTIONS): Move to aix.h.
+	(SELECT_SECTION): Move to aix.h.
+	(JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
+	(INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
+	(LINK_REGISTER_REGNUM): New definition.
+	(RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
+	(SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
+	AIX and SVR4.
+	* sysv4.h: Delete the code between the inclusion of rs6000.h
+	and svr4.h.
+	(DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
+	(FP_ARG_MAX_REG): Move generic definition to rs6000.h.
+	(RS6000_REG_SAVE): Move generic definition to rs6000.h.
+	(RS6000_SAVE_AREA): Move generic definition to rs6000.h.
+	* rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
+	(fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
+	(fix_truncdfsi2_internal_di): New pattern.
+	(fix_truncdfsi2_store): The second arg here is Pmode too.
+	(fix_truncdfsi2_load): The second arg here is Pmode too.
+	(tablejumpdi): Now that switch tables hold only SImode values,
+	gcc needs to know how to add them to the pc which is DImode.
+	* rs6000.c (rs6000_stack_info): Use symbolic name for
+	LINK_REGISTER_REGNUM.
+	(output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
+	(output_toc): Delete unused variables s1 and s2.
+	(output_ascii): Use fputs not fprintf on a variable string.
+
+	2000-01-07  David Edelsohn  <edelsohn@gnu.org>
+
+	* rs6000.c (processor_target_table): Add power3 as alias for 630.
+	* aix43.h: Revert Aug 2 change.
+	(HAS_INIT_SECTION): Define, not visible yet.
+	(LD_INIT_SWITCH): Define, not visible yet.
+	* t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
+
+	2000-01-04  Joel Sherrill (joel@OARcorp.com>
+
+	* config/rs6000/rtems.h: Include config/rtems.h.
+
+	2000-01-04  David Edelsohn  <edelsohn@gnu.org>
+
+	* rs6000.h (HANDLE_PRAGMA_PACK): Define.
+	(SLOW_UNALIGNED_ACCESS): Define.
+	(CASE_VECTOR_MODE): Always use 32-bit offsets.
+	(ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
+	(EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
+	(toc_section): Likewise and .toc pseudo-op.
+	(ASM_DECLARE_FUNCTION): Likewise.  Align text more strictly in
+	64-bit mode.
+	(TEXT_SECTION_ASM_OP): Likewise.
+	(ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
+	32-bit offsets.
+
+	1999-12-17  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
+	UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
+	compiling libgcc2.
+
+	2000-01-06  Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+	* rs6000.h: Move more stuff from here...
+	* aix.h: to here.
+	* sysv4.h: Cleanup accordingly.
+	* netware.h: Likewise
+
+	2000-01-05  Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+	* rs6000.h: Continue cleanup.
+	* aix.h: Likewise.
+	* lynx.h: Likewise.
+	* netware.h: Likewise.
+	* sol2.h: Likewise.
+	* sysv4.h: Likewise.
+	* win-nt.h: Likewise.
+
+	* rs6000.h (TARGET_SWITCHES): Add descriptions.
+	(TARGET_OPTIONS): Likewise.
+
+	* sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
+	(SUBTARGET_OPTIONS): Likewise.
+
+	* rs6000.md: Fix compile time warnings.
+
+	2000-01-04  Geoff Keating  <geoffk@cygnus.com>
+
+	vxworks patches from the Cygnus tree originally by
+	Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
+	<vmakarov@cygnus.com>.
+	* sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
+	(ENDFILE_SPEC): Likewise.
+	(LIB_VXWORKS_SPEC): New macro.
+	(STARTFILE_VXWORKS_SPEC): New macro.
+	(ENDFILE_VXWORKS_SPEC): New macro.
+	(LINK_START_VXWORKS_SPEC): New macro.
+	(LINK_OS_VXWORKS_SPEC): New macro.
+	(CPP_OS_VXWORKS_SPEC): New macro.
+	(SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
+	* vxppc.h: Rewrite to use proper configuration method.
+	* vxppcle.h: New file.
+	* ../../configure.in: Add powerpcle-wrs-vxworks*.
+	* ../../configure: Rebuilt.
+
+	2000-01-04  Geoff Keating  <geoffk@cygnus.com>
+
+	Lots of changes to rs6000.h, sysv4.h, aix.h,
+	aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
+	with the aim that rs6000.h is the first header
+	included and the others override it.
+	* aix.h: New file.
+
+	* x-aix41-gld: Remove.
+	* x-aix43: Remove.
+	* x-aix41: Remove target-specific switches, and don't specify
+	-Wl,-bbigtoc as we don't need it any more.
+	* ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
+	Use t-aix43 for AIX 4.3 and above.
+	* ../../configure: Regenerated.
+
+	* rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
+	options, that don't do anything yet.
+	(MASK_SCHED_PROLOG): New macro.
+	(MASK_SCHED_EPILOG): New macro.
+	(TARGET_SCHED_PROLOG): New macro.
+	(TARGET_SCHED_EPILOG): New macro.
+
+	2000-01-04  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.c: Correct comment, the `minimal' TOCs are actually
+	one per translation unit, not one per function.
+	(output_toc): Also do duplicate constant elimination
+	for per-translation-unit TOCs.
+
+	* rs6000.md (nonlocal_goto_receiver): Put it back as before.  Add
+	a comment explaining _exactly_ when this pattern gets used.
+	(builtin_setjmp_receiver): New pattern for better clarity.
+	(init_v4_pic): Move it into a section dealing with TOC registers.
+
+	1999-12-30  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.c (toc_hash_table): New variable.
+	(rs6000_hash_constant): New function.
+	(toc_hash_function): New function.
+	(toc_hash_eq): New function.
+	(toc_hash_mark_entry): New function.
+	(toc_hash_mark_table): New function.
+	(output_toc): Don't output duplicate TOC entries in
+	a single file.
+	(rs6000_add_gc_roots): Add the hash table as a GC root.
+	* t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
+	where they clearly shouldn't be.  This may need to be fixed
+	later when there is a GNU ar for AIX.
+	* x-aix43: Don't define CLIB or AR_FOR_TARGET.
+	Don't define BOOT_LDFLAGS as it is now not necessary.
+
+	1999-12-29  Geoff Keating  <geoffk@cygnus.com>
+
+	* rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
+	for va_list on AIX.  Use unsigned_char_type_node rather than
+	constructing our own version on svr4.
+
+	1999-12-17  Geoff Keating  <geoffk@cygnus.com>
+
+	* tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
+	since patently it's not.
+
+	1999-12-08  Geoff Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
+	define_expand/define_insn pair, and handle restore of the
+	SVR4 -fpic register.
+
+Wed Mar 15 15:43:38 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* acconfig.h (HAVE_GAS_WEAK): New define.
+	* configure.in (assembler weak support): Check for .weak support.
+	* config.in, configure: Rebuilt.
+	* pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
+	HAVE_GAS_WEAK is defined.
+
+2000-03-15  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.c (arm_output_epilogue): Do not pass %c to
+	asm_fprintf().
+
+2000-03-15  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c (open_include_file): New function.
+	(find_include_file, cpp_read_file): Use it.
+
+2000-03-15  Jason Merrill  <jason@casey.cygnus.com>
+
+	* cpphash.c (dump_hash_helper): Take the slot, not the element.
+
+Wed Mar 15 14:28:54 2000  Jason Eckhardt  <jle@cygnus.com>
+
+	* flow.c (verify_flow_info): Check for unconditional return.
+
+Wed Mar 15 11:34:27 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.md (restore_stack_nonlocal): New.
+	* config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
+	(__ia64_restore_stack_nonlocal): New.
+	* config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
+
+2000-03-15  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* cpphash.c (collect_formal_parameters): Do not complain about
+	parameter names that just start with `__VA_ARGS__'.
+
+Wed Mar 15 13:26:58 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
+	movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
+	* i386.c (pentiumpro_cost): Set mul cost to 4.
+	(x86_use_movx): Set for PPro.
+
+Wed Mar 15 13:07:05 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.md (ix86_compute_frame_size): stack_alignment_needed is
+	STACK_BOUNDARY for empty frames now.
+
+2000-03-14  Mark Mitchell  <mark@codesourcery.com>
+
+	* stor-layout.c (layout_union): Remove.
+	(layout_union_field): New function, split out from layout_union.
+	(finish_union_layout): Likewise.
+	(layout_field): Handle unions by calling layout_union_field.
+	(finish_record_layout): Handle unions.
+	(layout_type): Combine RECORD_TYPE, UNION_TYPE, and
+	QUAL_UNION_TYPE handling.
+
+Wed Feb 23 13:00:06 CET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
+	end of basic block is jump_insn, not barrier; use create_basic_block
+	instead of creating basic block by hand.
+
+2000-03-14  Jason Eckhardt  <jle@cygnus.com>
+
+	* flow.c (reorder_basic_blocks): Account for barriers when writing
+	over NEXT_INSN (last_bb->end).
+	(verify_flow_info): Add check for missing barriers.
+
+2000-03-14  Greg McGary  <gkm@gnu.org>
+
+	* c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
+	* c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
+	* c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
+	__ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
+	__unbounded, __unbounded__): New keywords.
+	* c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
+	* c-parse.y, c-parse.c, c-parse.h: Regenerate.
+	* objc/objc-parse.y, objc/objc-parse.c: Regenerate.
+
+2000-03-14  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* cselib.h: New file.
+	* alias.c: Include "cselib.h".
+	(fixed_scalar_and_varying_struct_p): Accept the addresses of the
+	MEMs as two new arguments.
+	(get_addr): New static function.
+	(find_base_term): Handle VALUEs.
+	(memrefs_conflict_p): Likewise.
+	(true_dependence): Call get_addr on the addresses.
+	Call fixed_scalar_and_varying_struct_p with addresses that have been
+	passed through get_addr and canon_rtx.
+	(write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
+	with true_dependence.
+	Call get_addr on the addresses; don't call canon_rtx on the MEMs.
+	* loop.c: Include "cselib.h".
+	(load_mems): Process extended basic block that enters the loop with
+	cselib.  Use that information to change initialization of the shadow
+	register so that a constant equivalence is seen by later passes.
+	* reload1.c: Include "cselib.h".
+	(reload_cse_invalidate_regno): Delete function.
+	(reload_cse_mem_conflict_p): Likewise.
+	(reload_cse_invalidate_mem): Likewise.
+	(reload_cse_invalidate_rtx): Likewise.
+	(reload_cse_regno_equal_p): Likewise.
+	(reload_cse_check_clobber): Likewise.
+	(reload_cse_record_set): Likewise.
+	(reg_values): Delete static variable.
+	(invalidate_regno_rtx): Likewise.
+	(reload_cse_delete_noop_set): New static function.
+	(reload_cse_simplify): New static function, broken out of
+	reload_cse_regs_1.
+	(reload_cse_noop_set_p): Delete unused argument INSN.
+	Just call rtx_equal_for_cselib_p on set source and destination.
+	(reload_cse_regs_1): Break out some code into reload_cse_simplify and
+	reload_cse_delete_noop_set.  Delete code to keep track of values; use
+	cselib functions instead.  Delete code to push/pop obstacks.
+	(reload_cse_simplify_set): Use cselib to find equivalent values.
+	Delete code to push/pop obstacks.
+	(reload_cse_simplify_operands): Likewise.
+	* rtl.def (VALUE): New rtx code.
+	* rtl.h (union rtunion_def): New elt rt_cselib.
+	(X0CSELIB, CSELIB_VAL_PTR): New macros.
+	* simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
+	(new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
+	unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
+	discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
+	hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
+	cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
+	cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
+	cselib_record_set, cselib_record_sets): New static functions.
+	(cselib_lookup, cselib_update_varray_sizes, cselib_init,
+	cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
+	references_value_p): New functions.
+	(MAX_USELESS_VALUES, REG_VALUES): New macros.
+	(table, cselib_current_insn, next_unknown_value, cselib_nregs,
+	n_useless_values, reg_values, callmem, cselib_obstack,
+	cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
+	New static variables.
+	* varray.h (union varray_data_tag): New elt te.
+	(VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
+	* Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
+	dependencies.
+
+2000-03-14  Nick Clifton  <nickc@cygnus.com>
+
+	* gcc.c (do_spec_1): Catch the case where %* is used in a
+	substitution pattern, but it has not been initialised.
+	Issue a meaningful error message if an unrecognised operator
+	is encountered in a spec string.
+
+2000-03-14  Richard Earnshaw <rearnsha@arm.com>
+
+	* function.c (prepare_function_start): Correctly initialize
+	cfun->stack_alignment_needed.
+
+2000-03-14  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c (find_include_file): Don't assume nshort is a
+	substring of name.
+
+Tue Mar 14 08:42:21 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* configure.in (hppa configurations): Add pa32-regs.h to the
+	list of tm files as appropriate.
+	* configure: Rebuilt.
+	* pa.c (compute_frame_size): Remove explicit knowledge about FP
+	register numbering.
+	(hppa_expand_prologue, hppa_expand_epilogue): Likewise.
+	(fmpyaddoperands, fmpysuboperands): Likewise.
+	* pa.h: Remove various definitions which depend on knowing
+	how registers are numbered.
+	* pa32-regs.h: New file with PA32 register numbering specific
+	definitions.
+
+2000-03-14  Richard Henderson  <rth@cygnus.com>
+
+	* regmove.c (combine_stack_adjustments): New.
+	(stack_memref_p, single_set_for_csa): New.
+	(free_csa_memlist, record_one_stack_memref): New.
+	(try_apply_stack_adjustment): New.
+	(combine_stack_adjustments_for_block): New.
+	* rtl.h (combine_stack_adjustments): Declare.
+	* toplev.c (rest_of_compilation): Call it.
+
+	* i386.md: Revert 2000-01-16 change.
+
+2000-03-14  Martin v. Löwis  <loewis@informatik.hu-berlin.de>
+
+	* gccbug.in: Add web category, gcc specific classes.
+
+2000-03-14  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* stor-layout.c (finalize_record_size): Fix typo.
+
+2000-03-14  Stan Shebs  <shebs@apple.com>
+
+	* c-typeck.c (c_alignof): Error on incomplete types.
+	* extend.texi (Alignment): Document this.
+
+2000-03-13  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c: Include mkdeps.h.
+	(find_include_file, read_include_file): Remove _cpp_ prefix
+	from name, make static.
+	(_cpp_execute_include): New function, broken out of
+	do_include.
+
+	* cpplib.c: Don't include mkdeps.h.
+	(struct directive): Remove type field. Reorder entries.  The
+	function takes only one argument.
+	(struct if_stack): Make type field an int.
+	(directive_table): Rename to dtable.  Generate it, the
+	prototypes of the directive handlers, and the enum for the
+	directive numbers, from a template macro.
+	(do_ifndef, do_include_next, do_import): New functions.
+	(do_define, do_include, do_endif, do_ifdef, do_if, do_else,
+	do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
+	do_ident, do_assert, do_unassert, do_sccs): Take only one
+	argument.
+	(do_sccs): Define always, but alter behavior based on
+	SCCS_DIRECTIVE.
+	(_cpp_handle_directive, consider_directive_while_skipping):
+	Restructure for new directive table layout.
+
+	(pass_thru_directive): Take a directive number, not a pointer
+	to a struct directive.
+	(parse_include): New function, broken out of do_include.
+	(do_include, do_import, do_include_next): Use parse_include
+	and _cpp_execute_include.
+	(do_elif, do_else): Test for T_ELSE specifically when checking
+	for #elif/#else after #else.
+	(parse_ifdef): New function, broken out of do_ifdef.
+	(validate_else): Expect a name arg without a leading #.
+	(if_directive_name): Delete.
+	(cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
+	directive handlers with only one argument.
+
+	* cpphash.h: Update prototypes.
+	(enum node_type): Remove entries for directives.
+	* Makefile.in: Update dependencies.
+
+	* cpphash.c (dump_hash_helper): Only dump nodes of type
+	T_MACRO.  Emit a newline after each definition.
+
+2000-03-14  Martin v. Löwis  <loewis@informatik.hu-berlin.de>
+
+	* gccbug.in: New file.
+	* configure.in (all_outputs): Add gccbug.
+	* Makefile.in (install-common): Install gccbug.
+	(GCCBUG_INSTALL_NAME): New variable.
+	* configure: Rebuilt.
+
+2000-03-13  Jason Merrill  <jason@casey.cygnus.com>
+
+	* function.c (put_var_into_stack): Use type_for_mode to calculate
+	part_type.  Use MEM_SET_IN_STRUCT_P.
+	* expr.c (store_field): Handle CONCAT.
+	(store_constructor): Use fields_length.
+	* tree.c (fields_length): New fn.
+	* tree.h: Declare it.
+
+2000-03-13  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* Makefile.in (LIBCPP_OBJS): Add cpplex.o.
+	(cpplex.o): New target.
+	* po/POTFILES.in: Add cpplex.c.
+
+	* cpplex.c (_cpp_grow_token_buffer, null_cleanup,
+	cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
+	cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
+	skip_block_comment, skip_line_comment, skip_comment,
+	copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
+	_cpp_parse_name, skip_string, parse_string,
+	_cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
+	_cpp_get_directive_token, find_position,
+	_cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
+	(maybe_macroexpand, _cpp_lex_token): New functions.
+
+	* cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
+	parse_goto_mark): Delete.
+	(_cpp_handle_eof): New function.
+	(_cpp_handle_directive): Rename from handle_directive.
+	(_cpp_output_line_command): Rename from output_line_command.
+	(do_if, do_elif): Call _cpp_parse_expr directly.
+	* cppfiles.c (_cpp_read_include_file): Don't call
+	init_input_buffer here.
+	* cpphash.c (quote_string): Move here, rename _cpp_quote_string.
+	* cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
+	here; pop the token_buffer and skip the rest of the line here.
+	* cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
+	here.
+
+	* cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
+	Define here.
+	(CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
+	CPP_GOTO_MARK): New macros.
+	(_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
+	_cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
+	_cpp_read_and_prescan, _cpp_init_input_buffer,
+	_cpp_grow_token_buffer, _cpp_get_directive_token,
+	_cpp_handle_directive, _cpp_handle_eof,
+	_cpp_output_line_command): Prototype them here.
+	* cpplib.h (enum cpp_token): Add CPP_MACRO.
+	(CPP_RESERVE, get_directive_token, cpp_grow_buffer,
+	quote_string, output_line_command): Remove.
+
+2000-03-13  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* stmt.c (expand_end_case): RANGE may be signed, and when checking
+	whether it is too large we must also verify that it isn't negative.
+
+2000-03-13  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
+	(movsi_zero_liveg0): Remove.
+	(movsf_insn_novis_liveg0): Remove.
+	(negsi2): Remove.
+	(negsi2_not_liveg0): Rename to negsi2.
+	(one_cmplsi2): Remove.
+	(one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
+	(one_cmplsi2_liveg0): Remove.
+	* config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
+	MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
+	(CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
+	(PREDICATE_CODES): Remove zero_operand.
+	* config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
+	TARGET_BROKEN_SAVERESTORE.
+	(zero_operand): Remove.
+	* config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
+	-mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
+	options.
+	(SUBTARGET_OVERRIDE_OPTIONS): Remove.
+	* config/sparc/linux-aout.h (TARGET_LIVE_G0,
+	TARGET_BROKEN_SAVERESTORE): Remove.
+	* config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
+	Remove.
+	* config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
+	Remove.
+	* config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
+	Remove.
+
+	* config/sparc/sparc.md (return_df_no_fpu): New pattern.
+
+2000-03-13  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.c (do_pragma_implementation): Fix off-by-one error
+	truncating a string.  Don't assume tokens are nul terminated.
+	Problem noted by Andreas Jaeger <aj@suse.de>
+
+2000-03-13  Jason Merrill  <jason@casey.cygnus.com>
+
+	* dwarf2out.c (add_name_and_src_coords_attributes): Only add
+	DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
+	(ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
+
+2000-03-13  Richard Earnshaw <rearnsha@arm.com>
+
+	* stor-layout.c (new_record_layout_info): Fix typo inside ifdef
+	STRUCTURE_SIZE_BOUNDARY.
+
+2000-03-13  Mark Mitchell  <mark@codesourcery.com>
+
+	* tree.h (record_layout_info_s): New structure.
+	(record_layout_info): New type.
+	(new_record_layout_info): New function.
+	(layout_field): Likewise.
+	(finish_record_layout): Likewise.
+	* stor-layout.c (layout_record): Remove.
+	(new_record_layout_info): New function.
+	(layout_field): New function, broken out from layout_record.
+	(finalize_record_size): Likewise.
+	(compute_record_mode): Likewise.
+	(finalize_type_size): New function, broken out from layout_type.
+	(finish_record_layout): Likewise.
+	(layout_type): Use them.
+
+2000-03-12  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c: Don't include version.h.
+	(special_symbol) [case T_VERSION]: Look for the string in
+	hp->value.cpval; don't use version_string.
+	* cppinit.c (initialize_builtins): Set hp->value.cpval for
+	__VERSION__ to version_string.
+	* Makefile.in (cpphash.o): Update deps.
+
+2000-03-12  Zack Weinberg  <zack@wolery.cumb.org>
+
+	Convert cpplib to use libiberty/hashtab.c.
+
+	* cpplib.h (struct cpp_reader): Make hashtab and
+	all_include_files of type 'struct htab *'.  Delete HASHSIZE
+	and ALL_INCLUDE_HASHSIZE macros.
+
+	* cpphash.h: Update prototypes.
+	(struct hashnode): Remove next, prev, and bucket_hdr members.
+	Make length a size_t.  Add hash member.
+	(struct ihash): Remove next member.  Add hash member.  Make
+	name a flexible array member.
+
+	* cppfiles.c: Include hashtab.h.
+	(include_hash): Delete.
+	(IHASHSIZE): New macro.
+	(hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
+	(cpp_included): Do the hash lookup here.
+	(_cpp_find_include_file): Rewrite.
+	(cpp_read_file): Put the "fake" hash entry into the hash
+	table.  Honor the control_macro, if it turns out we've seen
+	the file before.  Don't push the buffer here.
+	(_cpp_read_include_file): Push the buffer here.
+	(OMODES): New macro.  Use it whenever we call open(2).
+
+	* cpphash.c: Include hashtab.h.
+	(hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
+	_cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
+	_cpp_lookup_slot): New functions.
+	(HASHSIZE): new macro.
+	(hashf, _cpp_install, _cpp_delete_macro): Delete.
+	(_cpp_lookup): Use hashtab.h routines.
+
+	* cppinit.c: Include hashtab.h.
+	(cpp_reader_init): Call _cpp_init_macro_hash and
+	_cpp_init_include_hash.  Don't allocate hashtab directly.
+	(cpp_cleanup): Just call htab_delete on pfile->hashtab and
+	pfile->all_include_files.
+	(initialize_builtins): Use _cpp_make_hashnode and
+	htab_find_slot to add hash entries.
+	(cpp_finish): Just call _cpp_dump_macro_hash.
+	* cpplib.c: Include hashtab.h.
+	(do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
+	create hash entries.
+	(do_pragma_poison, do_assert): Likewise.
+	(do_include): Don't push the buffer here.  Don't increment
+	system_include_depth unless _cpp_read_include_file succeeds.
+	(do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
+	or htab_remove_elt.
+	(do_pragma_implementation): Use alloca to create copy.
+
+	* Makefile.in: Update dependencies.
+
+2000-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* cppinit.c (cl_directive_handler): More K&R fixing.
+
+Sat Mar 11 23:54:26 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.c (ia64_compute_frame_size): Align size to
+	STACK_BOUNDARY.
+	* config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
+
+2000-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
+	Change from char[] to macros.
+
+2000-03-12  Neil Booth  <NeilB@earthling.net>
+
+	* cppinit.c (cpp_start_read): Update indirect function
+	call to K&R C.
+
+Sat Mar 11 16:18:12 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
+	entry.
+
+	* config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
+	config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
+
+2000-03-11  Neil Booth  <NeilB@earthling.net>
+
+	* cppinit.c (struct pending option): Replace undef with a
+	pointer to a directive handling routine.
+	(struct cpp_pending): Replace separate assert_ and define_
+	lists with one directive_ list.
+	(new_pending_define): Rename new_pending_directive. Extra
+	argument is the directive's handling routine.
+	(handle_option): Update to use new_pending_directive.
+
+2000-03-11  Neil Booth  <NeilB@earthling.net>
+
+	* cppfiles.c (file_cleanup, _cpp_find_include_file,
+	remap_filename, _cpp_read_include_file, actual_directory,
+	hack_vms_include_specification): Replace bcopy(), index() etc
+	calls.  Add casts to some allocations.  Make some variables
+	pointers to const [unsigned] char.
+	* cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
+	collect_formal_parameters): Similarly.
+	* cppinit.c (struct pending_option, append_include_chain,
+	cpp_options_init, cpp_reader_init, initialize_standard_includes,
+	cpp_start_read, new_pending_define, handle_option): Similarly.
+	* cpplib.c (cpp_define, copy_comment, do_define, do_include,
+	do_undef, do_error, do_warning, do_pragma, do_pragma_once,
+	do_pragma_implementation, detect_if_not_defined,
+	do_ifdef, skip_if_group, cpp_get_token, parse_string,
+	do_assert, do_unassert): Similarly.
+	* cpplib.h (cpp_buffer, cpp_options): Update types.  Update
+	function prototypes.
+	* mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
+
+2000-03-10  Richard Henderson  <rth@cygnus.com>
+
+	* builtins.c (expand_builtin_strlen): Revert last change.
+	Use emit_insn_before if we're at the beginning of a sequence.
+
+2000-03-10  Jason Merrill  <jason@casey.cygnus.com>
+
+	* builtins.c (expand_builtin_strlen): Make sure that we have something
+	at the beginning of the sequence.
+
+	* toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
+	deferred inlines.
+
+	* invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
+
+2000-03-10  Richard Henderson  <rth@cygnus.com>
+
+	* except.c (can_throw): Use INTVAL on a CONST_INT.
+	(reachable_handlers): Likewise.
+	* flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
+
+2000-03-10  Andreas Jaeger  <aj@suse.de>
+
+	* config/mips/linux.h: Undefine MD_EXEC_PREFIX and
+	MD_STARTFILE_PREFIX since those are not needed on linux.
+	(ASM_FILE_START): New, from mips/gnu.h.
+
+2000-03-09  Richard Henderson  <rth@cygnus.com>
+	    Alex Samuel  <samuel@codesourcery.com> and others
+
+	* Makefile.in (ssa.o): New rule.
+	(OBJS): Add ssa.o.
+	(STAGESTUFF): Add *.ssa and *.ussa.
+	(mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
+	* rtl.def (PHI): New RTL expression.
+	* rtl.h (clear_log_links): New declaration.
+	(convert_to_ssa): Likewise.
+	(convert_from_ssa): Likewise.
+	* flow.c (split_edge): If the entry node falls through to the
+	split edge's source block, split the entry edge.
+	(clear_log_links): New function.
+	* toplev.c (ssa_dump): New variable.
+	(flag_ssa): Likewise.
+	(f_options): Add "ssa".
+	(compile_file): Create SSA dump files.
+	(rest_of_compilation): Go to and from SSA if enabled.
+	(decide_d_option): Handle -de for SSA dump files.
+	* ssa.c: New file.
+
+Thu Mar  9 20:01:38 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
+	same as VAR_DECL.
+
+2000-03-09  Benjamin Kosnik  <bkoz@cygnus.com>
+
+	* config/alpha/linux.h (WCHAR_TYPE): Make consistent.
+
+Thu Mar  9 18:10:02 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
+	(MD_STARTFILE_PREFIX_1): New macro.
+
+2000-03-09  Robert Lipe  <robertl@sco.com>
+
+	* config/ia64/ia64.c: Include system.h.
+
+2000-03-09  Jason Merrill  <jason@casey.cygnus.com>
+
+	* except.c (nothrow_function_p): If -fno-exceptions, just return.
+	(init_eh_nesting_info): Likewise.
+
+	* tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
+	(TREE_NOTHROW): Rename from TREE_RAISES.
+	* toplev.c (rest_of_compilation): Set it.
+	* print-tree.c (print_node): Adjust.
+	* tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
+	(stabilize_reference_1, get_unwidened, get_narrower): Likewise.
+	* calls.c (emit_call_1): Add 'nothrow' parm.  Add
+	REG_EH_REGION note as appropriate.
+	(libfunc_nothrow): New fn.
+	(emit_library_call, emit_library_call_value): Use it.
+	(expand_call): Check TREE_NOTHROW.
+
+	* varasm.c (make_decl_rtl): Skip initial '*' when setting
+	DECL_ASSEMBLER_NAME.
+
+2000-03-09  Andreas Jaeger  <aj@suse.de>
+
+	* mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
+	(TARGET_MEM_FUNCTIONS): Define.
+
+2000-03-09  Jason Merrill  <jason@casey.cygnus.com>
+
+	* i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
+
+	* except.c (can_throw): See through a SEQUENCE.
+	(nothrow_function_p): New fn.
+	* except.h: Declare it.
+	* function.c (current_function_nothrow): New var.
+	(prepare_function_start): Initialize it.
+	* output.h: Declare it.
+	* toplev.c (rest_of_compilation): Set it.
+	* dwarf2out.c (dwarf2out_begin_prologue): Use it.
+
+2000-03-09  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (collect_formal_parameters): strncmp returns 0 for
+	match.  (cpp_compare_defs): Count the nul separator when
+	advancing over argument names.
+
+2000-03-09  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* recog.c (preprocess_constraints): Matching constraints affect
+	same alternative/different operand, not same operand/different
+	alternative.
+
+	* reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
+	register and a constant specially.
+
+2000-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* libgcc2.h: New file.
+	* libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
+
+Wed Mar  8 16:19:42 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
+	* configure: Regenerate.
+	* config/ia64: New.
+
+2000-03-08  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* Makefile.in (LIBCPP_DEPS): New macro.
+	(cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
+	it to declare deps.
+	* cpperror.c: Include cpphash.h.
+	* cppexp.c: Include cpphash.h.  Remove MULTIBYTE_CHARS
+	dingleberry.
+	(lex): Don't use CPP_WARN_UNDEF.
+	(_cpp_parse_expr): Return an int, the truth value.
+	* cppfiles.c: Include cpphash.h.
+	(_cpp_merge_include_chains): Move to cppinit.c and make static.
+	* cppinit.c (include_defaults_array): Disentangle.
+	(cpp_cleanup): Don't free the if stack here.
+	(cpp_finish): Pop off all buffers, not just one.
+	* cpplib.c (eval_if_expr): Return int.
+	(do_xifdef): Rename do_ifdef.
+	(handle_directive): Don't use CPP_PREPROCESSED.
+	(cpp_get_token): Don't use CPP_C89.
+	* fix-header.c: Don't use CPP_OPTIONS.
+
+	* cpplib.h: Move U_CHAR, enum node_type, struct
+	file_name_list, struct ihash, is_idchar, is_idstart,
+	is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
+	CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
+	CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
+	CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
+	CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
+	of _cpp_simplify_pathname, _cpp_find_include_file,
+	_cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
+	Move struct if_stack to cpplib.c.  Move struct cpp_pending to
+	cppinit.c.
+	Change all uses of U_CHAR to be unsigned char instead.
+	Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
+
+2000-03-08  Jason Merrill  <jason@casey.cygnus.com>
+
+	* dwarf2out.c (dw_fde_struct): Add 'nothrow'.
+	(dwarf2out_begin_prologue): Set it.
+	(output_call_frame_info): Don't emit EH unwind info for leaves.
+
+	* flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
+	can occur outside of an EH region.
+	* except.c: Correct comments about rethrow behavior.
+	(rethrow_symbol_map): Do nothing if !flag_new_exceptions.
+
+2000-03-08  Andrew MacLeod  <amacleod@cygnus.com>
+
+	* flow.c (make_edges): Always call make_eh_edge for calls.
+
+2000-03-08  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
+	(struct cpp_buffer): Remove fname and underflow fields.
+	(struct cpp_reader): Remove get_token field.
+	(struct include_hash): Rename to struct ihash.  Add typedef to
+	IHASH.
+	(struct if_stack): Remove fname field.
+	(IF_STACK_FRAME): Rename to IF_STACK.
+
+	* cpperror.c (print_containing_files): Trust that there are no
+	macro buffers below the top file buffer.
+	* cppfiles.c: Replace all references to 'struct include_hash'
+	with 'IHASH'.  Rename initialize_input_buffer to
+	init_input_buffer.  Don't set or reference cpp_buffer->fname,
+	use buffer->ihash->name instead.
+	* cpphash.c (special_symbol): Use cpp_file_buffer.  Use NULL
+	not CPP_NULL_BUFFER.
+	* cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
+	IF_STACK_FRAME, IHASH not struct include_hash.
+	* cpplib.c: Rename eval_if_expression to eval_if_expr.  Remove
+	null_underflow.  Use IF_STACK not IF_STACK_FRAME, IHASH not
+	struct include_hash, NULL not CPP_NULL_BUFFER.  Remove all
+	references to cpp_buffer->fname (delete entirely, or use
+	->ihash->name instead) and IF_STACK->fname.
+	(cpp_push_buffer): Don't set new->underflow.
+	(do_include): Use cpp_file_buffer.
+
+	* cpphash.c (collect_formal_parameters): Remove duplicate
+	increment of argslen.  Pedwarn in C99 mode if __VA_ARGS__ is
+	used as a macro argument name.  Don't append "..." to namebuf
+	for varargs macros.  After we're done scanning, go through
+	namebuf and make it NUL separated, not comma separated.
+	(_cpp_compare_defs): Remove register tag from variables.
+	Expect defn->argnames to be NUL separated.
+	(_cpp_dump_definition): Expect defn->argnames to be NUL
+	separated and in forward order.
+	* cpphash.h: Update documentation of argnames field.
+
+2000-03-08  Richard Henderson  <rth@cygnus.com>
+
+	* builtins.c (expand_builtin_strlen): Be prepared for strlensi
+	to fail.  Don't pre-expand the source operand.
+
+	* i386.md (strlensi): Initialize eoschar and align before use.
+
+2000-03-08  Jason Merrill  <jason@casey.cygnus.com>
+
+	* expr.c (expand_expr, case ARRAY_REF): Still check for missing
+	CONSTRUCTOR element.
+
+2000-03-08  Gavin Romig-Koch  <gavin@cetus.cygnus.com>
+
+	* mips.c (mips_expand_prologue): If the last
+	named argument is the vararg marker "va_list", treat it as
+	an unnamed argument.
+
+2000-03-08  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* dbxout.c (dbxout_parms): When correcting for promoted
+	big-endian parameters, use the mode of the DECL_RTL rather
+	than UNITS_PER_WORD.
+
+2000-03-08  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* c-common.h (make_fname_decl): Declare.
+	* c-common.c (make_fname_decl): Define.
+	(declare_hidden_char_array): Remove.
+	(declare_function_name): Use make_fname_decl.
+	* c-decl.c (c_make_fname_decl): New function.
+	(init_decl_processing): Set make_fname_decl.
+
+Tue Mar  7 23:50:31 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* cccp.c (handle_directive): Initialize backslash_newlines_p.
+
+2000-03-07  Philipp Thomas  <pthomas@suse.de>
+
+	* po/POTFILES.in: Remove cppalloc.c from file list.
+
+2000-03-07  Steve Chamberlain  <sac@pobox.com>
+
+	* pj.c (pj_expand_prologue): current_function->args_info is
+	now current_function_args_info.
+
+	* pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
+	LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
+	ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
+
+2000-03-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
+	output as hexadecimal rather than the default octal.
+
+2000-03-07  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (special_symbol): Fix thinko in previous commit.
+
+2000-03-07  Neil Booth  <NeilB@earthling.net>
+
+	* cppexp.c (struct operation, left_shift, right_shift,
+	cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
+	"int"s to "unsigned int"s.
+	* cpplib.c (detect_if_not_defined, do_assert, do_unassert):
+	Similarly.
+	* cpplib.h: Update for above.
+	* mkdeps.c (deps_init, deps_calc_target): Cast pointers
+	returned from allocations.
+
+	* cppinit.c (opt_comp, parse_options): New functions.
+	(handle_option): Use parse_option to parse a single command
+	line option, that possibly takes an argument.
+	(cpp_handle_options): Sort the array of command line options on
+	first invocation (non-ASCII hosts only).
+	(print_help): Update.
+
+2000-03-07  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
+	backslash counting loops.  Problem noted by Matt Kraai <kraai@ghs.com>.
+
+	* cppfiles.c (_cpp_find_include_file): Make sure ih->name is
+	initialized.
+	* cppinit.c (cpp_cleanup): Free imp->nshort also.
+
+	* cpperror.c (cpp_print_containing_files,
+	cpp_print_file_and_line, v_cpp_message): Rename to
+	print_containing_files, print_file_and_line, and v_message.
+	* cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
+	to _cpp_parse_expr, parse_escape, and lex.
+	(parse_charconst): Remove broken multibyte support.
+	* cppfiles.c (include_hash): Make static.
+	(cpp_included): New function.
+	(merge_include_chains, find_include_file, finclude,
+	simplify_pathname): Rename to _cpp_merge_include_chains,
+	_cpp_find_include_file, _cpp_read_include_file, and
+	_cpp_simplify_pathname.
+	* cpphash.c (cpp_lookup, free_definition, delete_macro,
+	cpp_install, create_definition, macroexpand, compare_defs,
+	dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
+	_cpp_delete_macro, _cpp_install, _cpp_create_definition,
+	_cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
+	* cppinit.c (cpp_handle_option): Rename to handle_option, make
+	static.
+	* cpplib.c: Remove extern prototype of cpp_parse_expr.
+
+	* cpphash.h: Update prototypes.
+	* cpplib.h: Likewise.  Prototype _cpp_parse_expr here.
+
+2000-03-07  Andrew Haley  <aph@cygnus.com>
+
+	* config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
+	PTRDIFF_TYPE should be based solely on Pmode.
+	(SIZE_TYPE): ditto.
+
+2000-03-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* rtl.h (rtunion_def): Constify member `rtstr'.
+	(emit_line_note_after, emit_line_note, emit_line_note_force,
+	emit_note, decode_asm_operands): Constify.
+
+	* cse.c (canon_hash): Likewise.
+
+	* dbxout.c (dbxout_block): Likewise.
+
+	* diagnostic.c (file_and_line_for_asm, v_error_for_asm,
+	v_warning_for_asm): Likewise.
+
+	* dwarfout.c (function_start_label): Likewise.
+
+	* emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
+	emit_line_note_force): Likewise.
+
+	* final.c (last_filename, asm_insn_count, final_scan_insn,
+	output_source_line): Likewise.
+
+	* function.h (struct emit_status): Likewise.
+
+	* gcse.c (hash_expr_1): Likewise.
+
+	* genattr.c (gen_attr, main): Likewise.
+
+	* genattrtab.c (struct function_unit, current_alternative_string,
+	write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
+	attr_numeral, check_attr_test, check_attr_value,
+	convert_set_attr_alternative, convert_set_attr,
+	compute_alternative_mask, simplify_by_exploding, gen_attr,
+	gen_unit): Likewise.
+
+	* genflags.c (gen_insn): Likewise.
+
+	* gengenrtl.c (type_from_format): Likewise.
+
+	* genopinit.c (gen_insn): Likewise.
+
+	* genoutput.c (n_occurrences, process_template, process_template):
+	Likewise.
+
+	* ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
+	Likewise.
+
+	* ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
+	Likewise.
+
+	* ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
+	ggc_set_mark, ggc_get_size): Likewise.
+
+	* objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
+
+	* optabs.c (init_one_libfunc): Likewise.
+
+	* output.h (assemble_start_function): Likewise.
+
+	* recog.c (decode_asm_operands): Likewise.
+
+	* toplev.c (rest_of_compilation): Likewise.
+
+	* tree.h (emit_line_note_after, emit_line_note,
+	emit_line_note_force): Likewise.
+
+	* varasm.c (asm_output_bss, asm_output_aligned_bss,
+	asm_emit_uninitialised, assemble_start_function,
+	assemble_variable, const_hash, compare_constant_1,
+	find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
+
+	* xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
+
+	* alpha/alpha.md (call_vms, call_value_vms): Likewise.
+
+	* arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
+
+	* arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
+
+	* arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
+	arm_dllimport_name_p): Likewise.
+
+	* arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
+	Likewise.
+
+	* arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
+
+	* arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+	* arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
+	arm_mark_dllexport, arm_mark_dllimport,
+	arm_pe_encode_section_info): Likewise.
+
+	* arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
+	ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+	* arm/thumb.c (thumb_function_prologue): Likewise.
+
+	* arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
+
+	* avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+	* clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
+
+	* fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
+
+	* i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
+
+	* i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+	* i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
+	ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
+
+	* i386/i386-protos.h (asm_output_function_prefix): Likewise.
+
+	* i386/i386.c (asm_output_function_prefix): Likewise.
+
+	* i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
+
+	* i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+	* i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
+
+	* i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
+	ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
+	ASM_OUTPUT_SECTION_NAME): Likewise.
+
+	* i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
+
+	* i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
+
+	* i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
+
+	* m32r/m32r.c (m32r_encode_section_info): Likewise.
+
+	* mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+	* mcore/mcore.c (mcore_encode_section_info): Likewise.
+
+	* mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+	* mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+	* mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+	* mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
+
+	* mips/mips.md (movdi, movsi): Likewise.
+
+	* mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+	* netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+	* openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
+
+	* ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
+	ASM_OUTPUT_ASCII): Likewise.
+
+	* rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
+	output_mi_thunk, output_toc): Likewise.
+
+	* rs6000/rs6000.md (movsi): Likewise.
+
+	* rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
+
+	* tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
+
+	* v850/v850.c (print_operand, print_operand_address,
+	v850_encode_data_area): Likewise.
+
+2000-03-07  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/mips/mips.md (zero_extendsidi2): Always force operand
+	one to memory for mips16.
+
+Mon Mar  6 15:22:29 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
+	(struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
+	(attribute_hash_list, type_hash_canon): hashcode is now unsigned.
+	(type_hash_lookup, type_hash_add, type_hash_list): Likewise.
+	(min_precision): Result is unsigned.
+	(add_double, neg_double, mul_double): Low word is unsigned.
+	(lshift_double, rshift_double, lrotate_double): Likewise.
+	(rrotate_double, div_and_round_double): Likewise.
+	(tree_floor_log2, compare_tree_int): New functions.
+	(preserve_rtl_expr_temps): New declaration.
+	* c-common.c (declare_hidden_char_array): Use compare_tree_int.
+	(decl_attributes): Use tree_log2 to find alignment.
+	Check for TREE_INT_CST_HIGH for format args.
+	(min_precision): Now unsigned.
+	Use tree_floor_log2.
+	(truthvalue_conversion): Delete long-disabled code.
+	* c-decl.c (finish_struct): Clean up tests on field width.
+	(finish_function): Use compare_tree_int.
+	* c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
+	* c-typeck.c (comptypes): Use tree_int_cst_equal.
+	(default_conversion, digest_init): Use compare_tree_int.
+	(build_binary_op): Use integer_all_onesp and compare_tree_int.
+	Fix type errors in forming masks.
+	* calls.c (initialize_argument_information): Use compare_tree_int.
+	* dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
+	* except.c (expand_eh_region_start_tree): Use compare_tree_int.
+	* expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
+	(store_field): Use compare_tree_int.
+	(expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
+	(expand_expr, case ARRAY_REF): Use compare_tree_int.
+	(do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
+	(do_store_flag): Use compare_tree_int.
+	* fold-const.c (encode, decode): Low part is always unsigned.
+	(force_fit_type, add_double, neg_double, mul_double): Likewise.
+	(lshift_double, rshift_double, lrotate_double): Likewise.
+	(rrotate_double, div_and_round_double, int_const_binop): Likewise.
+	(fold_convert): Use compare_tree_int.
+	(operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
+	(invert_truthvalue, case INTEGER_CST): Likewise.
+	(fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
+	* mkdeps.c (deps_dummy_targets): Make I unsigned.
+	* rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
+	(lshift_double, rshift_double, lrotate_double, rrotate_double):
+	Likewise.
+	* stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
+	(expand_end_case): Use compare_tree_int.
+	(estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
+	* stor-layout.c (mode_for_size_tree): Use compare_tree_int.
+	(layout_decl): Likewise.
+	(layout_record, layout_union): Make sizes unsigned.
+	(layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
+	(layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
+	* tree.c (struct type_hash): hashcode is unsigned.
+	(build_type_attribute_variant, type_hash_list): Likewise.
+	(type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
+	(attribute_hash_list, build_array_type, build_method_type): Likewise.
+	(build_complex_type): Likewise.
+	(real_value_from_int_cst): Remove unneeded casts.
+	(integer_all_onesp): Add casts.
+	(tree_floor_log2, compare_tree_int): New functions.
+	(build_index_type): Use tree_int_cst_sgn.
+	* varasm.c (assemble_variable): Use compare_tree_int.
+
+2000-03-06  Jason Merrill  <jason@casey.cygnus.com>
+
+	* cpphash.c (collect_expansion): Also catch ## at start of macro.
+
+	* varasm.c (make_decl_rtl): Don't add a number to members of
+	local classes.
+	(make_function_rtl): Likewise.
+
+2000-03-06  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* gcse.c (compute_can_copy): Adjust if/else blocks from rth's
+	patch from 2000-01-28.
+
+2000-03-06  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/sh/sh.c: (barrier_align): Handle a delay slot that is
+	filled with an insn from the jump target.
+
+2000-03-07  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
+	(c4x_external_ref): Likewise.
+	* config/c4x/c4x.c (struct name_list): Likewise.
+
+1999-12-16  Ben Collins  <bcollins@debian.org>
+
+	* Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
+	argument to genmultilib.
+	* genmultilib: accept new MULTILIB_EXCLUSIONS option and output
+	the contents into the multilib.h header.
+	* gcc.c: Declare multilib_exclusions for the specs file.
+	(set_multilib_dir): Use it.
+	(print_multilib_info): Likewise.
+	* t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
+	to pass to genmultilib.
+
+2000-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* builtins.c (built_in_class_names, built_in_names): Constify a
+	char*.
+
+	* gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
+	int.
+	(_mcleanup): Ensure value matches format specifier in sprintf.
+
+	* cpphash.c (special_symbol): Don't needlessly cast away
+	const-ness.
+
+	* cppinit.c (base_name): Delete unused prototype.
+
+	* mkdeps.c (deps_init): Make definition K&R safe.
+
+	* tree.h (built_in_class_names, built_in_names): Constify a
+	char*.
+
+2000-03-06  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
+	floating point instructions for epilogue delay.
+
+	* config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
+	to gas if it supports .register pseudo.
+
+	* real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
+	LONG_DOUBLE_TYPE_SIZE if not defined.
+	Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
+	LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
+	* real.c: Likewise.
+	* gengenrtl.c: Likewise.
+	* print-rtl.c: Likewise.
+	* rtl.c: Likewise.
+	* config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
+	MASK_LONG_DOUBLE_128.
+	* config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
+	* config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
+	* config/sparc/linux64 (TARGET_DEFAULT): Likewise.
+	(SUBTARGET_SWITCHES): Define.
+	(CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
+	with -mlong-double-128.
+	(LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
+	(MAX_LONG_DOUBLE_TYPE_SIZE): Define.
+	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
+	(CC1_SPEC): Include -mlong-double-{64,128} as needed.
+	* config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
+	(CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
+	with -mlong-double-128.
+	(LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
+	(MAX_LONG_DOUBLE_TYPE_SIZE): Define.
+	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
+	* config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
+	TARGET_LONG_DOUBLE_128): Define.
+	* config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
+	* config/sparc/sparc.c (sparc_override_options): Disallow 64bit
+	long double on TARGET_ARCH64.
+
+2000-03-06  Mark Mitchell  <mark@codesourcery.com>
+
+	* function.c (free_temps_for_rtl_expr): Don't free slots
+	that have been pushed into a higher level.
+
+	Revert this patch:
+	2000-03-05  Mark Mitchell  <mark@codesourcery.com>
+
+2000-03-05  Mark Mitchell  <mark@codesourcery.com>
+
+	* basic-block.h (ALLOCA_REG_SET): Remove.
+	(INITIALIZE_REG_SET): New macro.
+	* flow.c (update_life_info): Use it.
+	(calculate_global_regs_live): Likewise.
+	(propagate_block): Likewise.
+	* global.c (build_insn_chain): Likewise.
+	* haifa-sched.c (schedule_region): Likewise.
+
+2000-03-05  Stephane Carrez  <stcarrez@worldnet.fr>
+
+	* dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
+	(ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
+	(DWARF_ARANGES_PAD_SIZE): New define.
+	(output_aranges): Use it to pad the address range header.
+	(DWARF_ROUND): Fix for non power of 2 rounding.
+
+2000-03-05  Jason Merrill  <jason@casey.cygnus.com>
+
+	* mkdeps.c (deps_calc_target): Remove incorrect 'const'.
+
+2000-03-05  Mark Mitchell  <mark@codesourcery.com>
+
+	* tree.def (RTL_EXPR): Update documentation.
+	* tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
+	* expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
+	* function.c (preserve_rtl_expr_temp): New function.
+	(preserve_rtl_expr_temps): Likewise.
+	(preserve_rtl_expr_result): Use it.
+
+	Revert this patch:
+	2000-03-04  Mark Mitchell  <mark@codesourcery.com>
+
+2000-03-04  Thomas Schuster <Thomas.Schuster@gmx.net>
+
+	* regmove.c (copy_src_to_dest)  Do not create src->dest move
+	for unchanging destination.
+
+2000-03-04  Mark Mitchell  <mark@codesourcery.com>
+
+	* function.h (struct sequence_stack): Remove rtl_expr.
+	(struct emit_staus): Likewise.
+	(seq_rtl_expr): Remove.
+	* tree.h (free_temps_for_rtl_expr): Don't declare.
+	(start_sequence_for_rtl_expr): Likewise.
+	* rtl.h (preserve_rtl_expr_result): Likewise.
+	* emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
+	(start_sequence_for_rtl_expr): Remove.
+	(push_topmost_sequence): Don't save sequence_rtl_expr.
+	(pop_topmost_sequence): Remove comment about not restoring it.
+	(end_sequence): Don't set seq_rtl_expr.
+	(init_emit): Don't initialize it.
+	(mark_sequence_stack): Don't mark it.
+	(mark_emit_status): Likewise.
+	* except.c (protect_with_terminate): Use
+	start_sequence_for_rtl_expr, not start_sequence.
+	* expr.c (expand_expr, case RTL_EXPR): Don't call
+	preserve_rtl_expr_result or free_temps_for_rtl_expr.
+	* function.c (assign_stack_temp_for_type): Don't set rtl_expr.
+	(preserve_rtl_expr_result): Remove.
+	(free_temps_for_rtl_expr): Likewise.
+	(pop_temp_slots): Likewise.
+	(mark_temp_slot): Don't mark the rtl_expr.
+	* stmt.c (expand_start_stmt_expr): Use start_sequence, not
+	start_sequence_for_rtl_expr.
+
+2000-03-04  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* mkdeps.c, mkdeps.h: New files.
+	* po/POTFILES.in: Add them.
+	* Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
+	(cpplib.o, cppinit.o): Depend on mkdeps.h.
+	(mkdeps.o): New target.
+
+	* cppfiles.c: Delete deps_output.
+	* cppinit.c: Include mkdeps.h.  Delete known_suffixes,
+	OBJECT_SUFFIX, and base_name.
+	(cpp_cleanup): Use deps_free.  Free ihash->name when clearing
+	the include hash.
+	(initialize_dependency_output): Use deps_init,
+	deps_add_target, deps_calc_target, and deps_add_dep.  Remove
+	all the unnecessary string bashing.
+	(cpp_finish): Use deps_write.  Remove an unnecessary nesting
+	level.
+	* cpplib.c (do_include): Use deps_add_dep.
+	* cpplib.h (struct cpp_reader): Replace deps_buffer,
+	deps_allocated_size, deps_size, deps_column members with
+	single pointer to a struct deps.  Delete prototype of
+	deps_output.
+
+	* cppinit.c: Fix thinko in previous patch.
+
+Sat Mar  4 11:32:30 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
+	* stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
+	(mode_for_size_tree): New function.
+	(layout_decl, layout_type): Call it and clean up BLKmode checks.
+	* tree.h (mode_for_size_tree): New declaration.
+
+	* toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
+
+2000-03-04  Jason Merrill  <jason@casey.cygnus.com>
+
+	* stmt.c (is_body_block): Move...
+	* dwarfout.c, dwarf2out.c: ...from here.
+	* tree.h: Declare it.
+	* emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
+	* final.c (final_start_function): Do call remove_unnecessary_notes
+	when scheduling.
+
+2000-03-03  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
+
+	* cpplib.h (_dollar_ok): New macro.
+	(is_idchar, is_idstart): Use it.
+	(IStable): Rename to _cpp_IStable.  Declare it const if
+	gcc >=2.7 or C99.  Delete all references to FAKE_CONST.
+	(is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
+	is_space): Update for renamed IStable.
+
+	* cppinit.c: Delete all references to FAKE_CONST and CAT
+	macros. Define init_IStable as empty macro if gcc >=2.7 or
+	C99. Change TABLE() to ISTABLE and hardcode name of table.
+	(cpp_start_read): Don't change the IStable based on
+	dollars_in_ident.
+
+	* cpphash.c (unsafe_chars): Add pfile argument.  All callers
+	changed.  Handle '$' for char1 correctly.
+	* cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
+
+	* cppexp.c (tokentab2): Make const.
+	(cpp_lex): Make toktab const.
+	* cppinit.c (include_defaults_array): Make const.
+	(initialize_standard_includes): Make default_include const.
+
+2000-03-03  Jason Merrill  <jason@casey.cygnus.com>
+
+	* dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
+	(dwarf2out_decl): Functions can now have DECL_IGNORED_P.
+	(gen_decl_die): Likewise.
+	* dwarfout.c (dwarfout_file_scope_decl): Likewise.
+	(output_decl): Likewise.
+
+	* varasm.c (make_function_rtl): If we change the name used in the
+	rtl, update DECL_ASSEMBLER_NAME accordingly.
+	(make_decl_rtl): Likewise.
+
+	* toplev.c (rest_of_compilation): Tweak formatting.
+
+	* toplev.c (rest_of_compilation): find_loop_tree_blocks before
+	remove_unnecessary_notes.
+	(debug_ignore_block): New fn.
+	* toplev.h: Declare it.
+	* emit-rtl.c (remove_unncessary_notes): Call it.
+	* dwarf2out.c (dwarf2out_ignore_block): New fn.
+	* dwarf2out.h: Declare it.
+	* final.c (final_start_function): Don't call remove_unnecessary_notes
+	if we did insn scheduling.
+
+2000-03-03  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppinit.c (cpp_handle_option): Set opts->pedantic directly.
+	* cpplib.h: Delete SET_CPP_PEDANTIC.
+
+Fri Mar  3 14:56:12 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
+	result is a RECORD_TYPE.
+
+2000-03-03  Jonathan Larmour  <jlarmour@cygnus.co.uk>
+
+	* mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
+
+2000-03-03  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
+	addition over compliments over shifts.
+
+Fri Mar  3 12:49:28 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* reload1.c (reload_combine_note_use): Handle return register USEs.
+	REG case: Handle multi-hard-register hard regs.
+
+Fri Mar  3 07:38:34 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* md.texi: Document use of '*' in insn pattern name.
+
+2000-03-03  Jason Merrill  <jason@casey.cygnus.com>
+
+	* calls.c (special_function_p): operator new may not be malloc-like.
+
+	* gcse.c (dump_hash_table): Really fix error in last change.
+
+2000-03-02  Denis Chertykov  <denisc@overta.ru>
+
+	* avr.c (print_operand): Use print_operand_address instead of
+	output_addr_const.
+	* avr/libgcc.S: Cleanup code.
+
+2000-03-02  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.c (alpha_emit_set_const_1): Also try c + small constant.
+
+2000-03-02  Mark Mitchell  <mark@codesourcery.com>
+
+	* tree.h (TYPE_ALIGN_UNIT): New macro.
+
+2000-03-02  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* i386.c: (constant_call_address_operand): Reject CONST_INT.
+
+2000-03-02  Jason Merrill  <jason@casey.cygnus.com>
+
+	* cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
+	for the buffer.
+	(SET_CPP_PEDANTIC): New macro.
+	* cpplib.c (do_include): Don't bother checking system_header_p.
+	(do_warning, do_ident, do_assert, do_unassert): Likewise.
+	* cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
+
+	* function.h (struct expr_status): Add x_arg_space_so_far.
+	(arg_space_so_far): New macro.
+	* expr.c (init_expr): Initialize it.
+	* calls.c (emit_call_1): Reset it.
+	(compute_argument_block_size, expand_call): Use it.
+	(expand_call, store_one_arg): Increment it.
+
+Thu Mar  2 17:27:13 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* varasm.c (output_constant): Strip off a CONVERT_EXPR to
+	a UNION_TYPE.
+
+2000-03-02  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c (cpp_read_file): New function.
+
+	* cpphash.c (collect_expansion): Make sure to reset last_token
+	to NORM when we hit a string.  Handle trailing whitespace
+	properly when the expansion is empty.
+	(create_definition): Disable line commands while parsing the
+	directive line.
+	(dump_definition): If pfile->lineno == 0, output a line
+	command ahead of the dump, and add a trailing newline.
+
+	* cppinit.c (append_include_chain): Add fifth argument, which
+	indicates whether or not system headers are C++ aware.
+	(initialize_standard_includes): New function,
+	broken out of read_and_prescan.  Pass 'cxx_aware' value from
+	the include_defaults_array on to append_include_chain.
+	(dump_special_to_buffer): Const-ify char array.
+	(builtin_array): Don't dump __BASE_FILE__.
+	(cpp_start_read): Use cpp_read_file.  Reorder code for
+	clarity.  Don't output line commands here for -D/-A/-U
+	switches.  Don't call deps_output for files included with
+	-include or -imacros.
+
+	* cpplib.c (do_define): Don't pay any attention to the second
+	argument.
+	(cpp_expand_to_buffer): Disable line commands while scanning.
+	(output_line_command): Work in the file buffer.
+	* cpplib.h: Remove no_record_file flag from struct cpp_reader.
+	Fix formatting of comments.  Prototype cpp_read_file.
+
+Thu Mar  2 13:29:46 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
+	reference the language-equivalent of sizetype.
+	* c-typeck.c (comptypes): Treat sizetype like its language equivalent.
+	* fold-const.c (size_binop, size_diffop): Put back checks.
+	* gcse.c (dump_hash_table): Fix minor error in last change.
+	* stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
+	Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
+	all sizetypes.
+
+Thu Mar  2 12:48:45 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* calls.c (expand_call)  Do not attempt to combine stack adjustments
+	with inhibit_defer_pop set.
+
+2000-03-01  Mark Mitchell  <mark@codesourcery.com>
+
+	* stor-layout.c (layout_decl): Allow front-ends to explicitly set
+	the DECL_SIZE for a FIELD_DECL.
+
+2000-03-01  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/inclhack.tpl: remove unused symlinks
+	* fixinc/README: GCC Maintainer info
+	* fixinc/inclhack.sh: regen
+	* fixinc/fixincl.sh: regen
+
+2000-03-01  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (collect_expansion): Trim trailing white space
+	from macro definitions, but don't go past the last insertion
+	point.
+
+Wed Mar  1 12:14:31 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.md (mulqi3): New pattern.
+
+2000-02-29  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
+	token types.
+	(struct cpp_reader): Add parsing_if_directive and
+	parsing_define_directive flags.
+	(struct cpp_options): Remove output_conditionals flag.
+	(check_macro_name): Delete prototype.
+
+	* cpphash.h (struct macrodef): Delete.
+	(struct reflist): Separate from struct definition.
+	(struct definition): Remove unused fields.  Add column number.
+	(create_definition): Returns a DEFINITION *.  Takes a
+	cpp_reader * and an int.
+
+	* cpphash.c (SKIP_WHITE_SPACE): Delete.
+	(PEEKC): Copy defn from cpplib.c.
+	(rest_extension, REST_EXTENSION_LENGTH): Delete.
+	(struct arg): New.
+	(struct arglist): Simplify.
+	(collect_expansion): Rewrite.  Get tokens by calling
+	cpp_get_token.  Add more error checking.
+	(collect_formal_parameters): New function, broken out of
+	create_definition and reworked to use get_directive_token.
+	(create_definition): All real work is now in collect_expansion
+	and collect_formal_parameters.  do_define handles finding the
+	macro name.  Return a DEFINITION, not a MACRODEF.
+	(macroexpand): Replace bcopy with memcpy throughout.  Replace
+	character-at-a-time copy loop with memcpy and pointer increments.
+	(compare-defs): d1->argnames / d2->argnames might be null.
+
+	* cpplib.c (copy_rest_of_line): Delete function.
+	(skip_rest_of_line): Do all the work ourselves.
+	(skip_string): New function.
+	(parse_string): Use skip_string.
+	(get_macro_name): New function.
+	(check_macro_name): Delete.
+	(copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
+	(cpp_skip_hspace): Use CPP_BUMP_LINE.
+	(handle_directive): ICE if we're called on a macro buffer.
+	(do_define): Determine macro name and type (funlike/objlike)
+	here.  Expunge all uses of MACRODEF.
+	(cpp_push_buffer): Set line_base to NULL.
+	(do_undef, read_line_number): Don't worry about getting a POP token.
+	(eval_if_expression): Set/reset parsing_if_directive around
+	cpp_parse_expr. Don't clear only_seen_white.
+	(skip_if_group): Remove output_conditionals logic.  Use
+	skip_rest_of_line.
+	(cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
+	tokens under appropriate conditions.
+	(cpp_unassert): Call do_unassert not do_assert.  Oops.
+
+	* cppexp.c (parse_defined): New function, break out of
+	cpp_lex.
+	(cpp_lex): We now get CPP_ASSERTION tokens and can check them
+	ourselves, with cpp_defined.
+	* cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
+
+	* gcc.dg/20000209-2.c: Turn off -pedantic-errors.
+	* gcc.dg/strpaste-2.c: New.
+
+2000-02-29  Mark Mitchell  <mark@codesourcery.com>
+
+	* fold-const.c (size_binop): Don't asert inputs are the same and
+	have TYPE_IS_SIZETYPE set.
+	(size_diffop): Likewise.
+
+2000-02-29  Jason Merrill  <jason@casey.cygnus.com>
+
+	* dwarfout.c (output_block): Output abstract blocks even if they
+	don't have TREE_ASM_WRITTEN set.
+
+	* calls.c (emit_library_call): Check for null REG.
+
+2000-03-01  Martin von Loewis  <loewis@informatik.hu-berlin.de>
+
+	* c-decl.c (current_function_decl): Move to toplev.c.
+	(init_decl_processing): Don't add current_function_decl as a ggc
+	root here.
+	* dbxout.c (dbxout_symbol): Change return type to int.
+	(dbxout_symbol_location, dbxout_syms): Likewise.
+	(dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
+	any locals. Use current_function_func_begin_label if set.
+	* dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
+	* dwarf2out.c (dwarf2out_begin_prologue): Set
+	current_function_func_begin_label.
+	* final.c (final_start_function): Reset it.
+	* toplev.c (current_function_decl): Define it here.
+	(current_function_func_begin_label): New variable.
+	(main): Add both as ggc roots.
+	* tree.h (current_function_func_begin_label): Declare.
+
+Tue Feb 29 14:07:04 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* gcse.c: Cleanups throughout: mostly white-space, but also
+	some minor rearrangement of code.
+
+Tue Feb 29 10:45:59 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* calls.c (emit_library_call): Do not abort if FUNCTION_ARG
+	returns a PARALLEL.  Use emit_group_load and use_group_regs
+	as needed.
+	(emit_library_call_value): Similarly.
+
+	* pa/t-pa: Use quadlib.c instead of quadlib.asm.
+	* pa/quadlib.asm: Remove.
+	* pa/quadlib.c: New file.
+
+	* configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
+	* configure: Rebuilt.
+
+2000-02-29  Philip Blundell  <pb@futuretv.com>
+
+	* config/arm/conix-elf.h: New file.
+	* configure.in (arm*-*-conix*): New configuration.
+	* configure: Regenerate.
+
+2000-02-28  Jason Merrill  <jason@casey.cygnus.com>
+
+	* dwarf2out.c (gen_block_die): Output abstract blocks even if they
+	don't have TREE_ASM_WRITTEN set.
+
+Mon Feb 28 21:07:59 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* Eliminate DECL_FIELD_SIZE.
+	* builtins.c (built_in_class_names, built_in_names): New variables.
+	* c-decl.c (finish_struct): Set specified size in DECL_SIZE.
+	* expr.c (expand_expr, case COMPONENT_REF): Get field size from
+	DECL_SIZE, not DECL_FIELD_SIZE.
+	* print-tree.c (print_node): Remove code that prints extra blank
+	lines in some cases.
+	Properly handle inline and builtin function cases.
+	* stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
+	* tree.h (built_in_class_named, built_in_names): New declarations.
+	(union tree_decl): Rename internal unions to u1 and u2 and change
+	some of their components.
+	Add new field built_in_class.
+	(DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
+	Reflect above changes.
+	(DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
+	(DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
+	* objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
+	(encode_field_decl): Likewise; also remove obsolete test for bitfield.
+
+2000-02-28  Dmitri Makarov  <dim@windriver.com>
+
+	* extend.texi: Document ARM's support for long/short calls.
+
+	* invoke.texi: Document ARM's -mlong-calls command line switch.
+
+	* config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
+	(arm_encode_call_attribute): Add prototype.
+	(arm_set_default_type_attribute): Add prototype.
+	(arm_strip_name_encoding): Add prototype.
+
+	* config/arm/arm.c (arm_init_cumulative_args): replace
+	initialisation og 'long_calls' field with initialisation of
+	'call_cookie' field.
+	(enum arm_pragma_enum): New enum.
+	(arm_pragma_long_calls): New static variable.
+	(arm_process_pragma): Also process "#pragma long_calls_off".
+	(arm_valid_type_attribute_p): Accept short_call attribute.
+	(arm_comp_type_attributes): Check long/short call attributes.
+	(arm_encode_call_attribute):  New function:  Encode long_call
+	or short_call attribute in function name.
+	(arm_set_default_type_attributes): New function: Assign
+	default attributes to newly defined type.
+	(current_file_function_operand): New function: Return true if
+	the symbol is a function which has already been compiled.
+	(arm_is_longcall_p): New function: Return true if the
+	indicated function should be called via a long call.
+	(arm_get_strip_length): New function.  Returns number of
+	prefix characters to be stripped from a function's name.
+	(arm_strip_name_encoding): New function.  Strip prefix characters
+	from a function's name.
+
+	* config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
+	with 'call_cookie'.
+	(SHORT_CALL_FAG_CHAR): Define.
+	(LONG_CALL_FAG_CHAR): Define.
+	(ENCODED_SHORT_CALL_ATTR_P): Define.
+	(ENCODED_LONG_CALL_ATTR_P): Define.
+	(ARM_NAME_ENCODING_LENGTHS): Define.
+	(STRIP_NAME_ENCODING): Define.
+	(ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
+	(ARM_ENCODE_CALL_TYPE): Define.
+	(ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
+	(ARM_DECLARE_FUNCTION_SIZE): Define.
+	(SET_DEFAULT_TYPE_ATTRIBUTES): Define.
+
+	* config/arm/arm.md (call): Call arm_is_longcall_p to decide
+	if a long call is needed.
+	(call_value): Ditto.
+	(call_symbol): Ditto.
+
+	* config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
+	ARM_DECLARE_FUNCTION_SIZE.
+
+	* config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
+	(SUBTARGET_NAME_ENCODING_LENGTHS): Define.
+	(ARM_STRIP_NAME_ENCODING): Undefine.
+	(STRIP_NAME_ENCODING): Undefine.
+	(ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
+	(ASM_DECLARE_FUNCTION_NAME): Ditto.
+	(ASM_OUTPUT_COMMON): Ditto.
+	(ASM_DECLARE_OBJECT_NAME): Ditto.
+
+	* config/arm/pe.c (arm_dllexport_name_p): Check for
+	ARM_PE_FLAG_CHAR.
+	(arm_dllimport_name_p): Ditto.
+	(arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
+	(arm_mark_dllimport): Ditto.
+
+Mon Feb 28 22:11:12 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
+
+2000-02-28  Mark Mitchell  <mark@codesourcery.com>
+
+	* xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
+
+2000-02-28  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
+	* cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
+	NO_BUILTIN_WCHAR_TYPE is not defined.
+	(CPP_WCHAR_TYPE): Delete.
+	* cccp.c (main): Don't change wchar_type if cplusplus.
+	(special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
+
+2000-02-28  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
+
+Mon Feb 28 14:21:15 2000  Catherine Moore  <clm@cygnus.com>
+
+	* config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
+	(ASM_WEAKEN_LABEL): Define.
+
+Mon Feb 28 13:07:19 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* expr.c (store_constructor): Do not emit USE.
+	* rtl.h (stupid_life_analysis): Remove.
+
+Mon Feb 28 07:03:27 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* function.c (number_blocks): Reset next_block_index based on
+	what debugging format is used, not what is defined.
+
+	* lcm.c: Minor reformatting throughout.
+	(reg_dies, reg_becomes_live): Properly handle multiple hard regs.
+
+	* toplev.c (rest_of_compilation): Account for time in
+	optimize_mode_switching.
+
+	* jump.c (jump_optimize_1): Don't call delete_barrier_successors
+	if only marking labels.
+
+Mon Feb 28 12:53:57 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* calls.c (expand_call): Attempt to combine stack adjustments with
+	pending stack adjustments.
+
+Mon Feb 28 11:34:43 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* loop.c (reg_in_basic_block_p): Don't abort when falling through
+	to the end of the function.
+
+2000-02-27  Mark Mitchell  <mark@codesourcery.com>
+
+	* emit-rtl.c (remove_unncessary_notes): Remove notes for empty
+	blocks.
+	* final.c (next_block_index): Remove.
+	(max_block_depth): Likewise.
+	(pending_blocks): Likewise.
+	(init_final): Don't initialize them.
+	(final_start_function): Don't set next_block_index.  Set up
+	BLOCK_NUMBER.
+	(final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
+	* function.h (number_blocks): New function.
+	* function.c (get_block_vector): New function.
+	(identify_blocks): Use it.
+	(reorder_blocks): Set NOTE_BLOCK.
+	(number_blocks): New function.
+	* tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
+	* tree.h (BLOCK_NUMBER): New macro.
+	(tree_block): Add block_num field.
+	* dbxout.c (next_block_number): Remove.
+	(dbxout_init): Don't set it.
+	(dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
+	set.  Use BLOCK_NUMBER, rather than next_block_num, to determine
+	block numbers.
+	* toplev.c (rest_of_compilation): Always call
+	find_loop_tree_blocks.  Fix indentation.
+	* dwarf2out.c (next_block_number): Remove.
+	(gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
+	to determine block numbers.
+	(gen_inlined_subroutine_die): Likewise.
+	(gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
+	(decls_for_scope): Don't increment next_block_number.
+	* dwarfout.c (next_block_number): Remove.
+	(output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
+	to determine block numbers.
+	(output_inlined_subroutine_die): Likewise.
+	(output_block): Only output blocks that have TREE_ASM_WRITTEN set.
+	(output_decls_for_scope): Don't increment next_block_number.
+	* sdbout.c (next_block_number): Remove.
+	(sdbout_block): Use BLOCK_NUMBER.
+	(sdbout_begin_block): Simplify.
+	* xcoffout.c (next_block_number): Remove.
+	(xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
+	(xcoffout_begin_block): Don't set next_block_number.
+	(xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
+	next_block_number.
+
+Sun Feb 27 16:40:33 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* builtins.c (c_strlen): Use size_diffop and return ssizetype value.
+	(expand_builtin_strcpy): Pass correct type to size_binop.
+	(expand_builtin_strcmp): Likewise.
+	Clean up conditional structure.
+	* c-decl.c (init_decl_processing): Don't call set_sizetype twice.
+	(complete_array_type): Don't use size_binop for MAXINDEX.
+	* c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
+	(c_sizeof_nowarn, c_size_in_bytes): Likewise.
+	(c_alignof): Use size_one_node.
+	(build_unary_op): Pass arg of proper type to size_binop.
+	(really_start_incremental_init, push_init_level): Use sizetype for
+	constructor{,_bit,_unfilled}_index.
+	(pop_init_label, output_init_element): Likewise.
+	(output_pending_init_elements, process_init_element): Likewise.
+	* calls.c (compute_argument_block_size): Field VAR is ssizetype.
+	* expr.c (store_expr): Use size_int.
+	(store_constructor): Use proper types for size_binop args.
+	(get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
+	(expand_expr_unaligned): Likewise.
+	(string_contant): Return object of sizetype.
+	* expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
+	(ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
+	(ARGS_SIZE_TREE): Pass proper types to size_binop.
+	* fold-const.c (int_const_binop): Refine when size_int is called.
+	(fold_convert): Likewise.
+	(size_int_wide): Rework to take KIND as arg, only take low order
+	bits, handle new sizetype_tab datatype, and chain entries in
+	size_table.
+	(size_int_type_wide): New function.
+	(size_binop): Validate types of arguments.
+	(ssize_binop): Deleted.
+	(size_diffop): New function.
+	(extract_muldiv): Only fold division into multiplication for sizetypes.
+	* function.c (assign_parms): Use size_diffop and make sure
+	VAR field is of ssizetype; also pass proper type to size_binop.
+	(locate_and_pad_parm, pad_to_arg_alignment): Likewise.
+	(round_down): Deleted from here.
+	* store-layout.c (sizetype_tab): Now an array.
+	(sizetype_set, early_root_list): New variables.
+	(variable_size): Use size_one_node.
+	(round_up): Pass proper type to size_binop.
+	(round_down): Moved to here and corrected as above.
+	(layout_record): Pass proper arg types to size_binop.
+	(layout_type): Likewise.
+	If sizetype_set is zero, record the type just laid out.
+	(make_unsigned_type): Don't call set_sizetype;
+	(make_signed_type): Likewise; also, call fixup_signed_type.
+	(initialize_sizetypes): New function.
+	(set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
+	set name of bitsizetype to "bit_size_type".
+	Fix up type of sizes of all types made before call.
+	* tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
+	* tree.c (fix_sizetype): Deleted.
+	(build_common_tree_nodes): Call initialize_sizetypes.
+	(build_common_tree_nodes_2): Don't call fix_sizetype.
+	* tree.h (TYPE_IS_SIZETYPE): New macro.
+	(initialize_sizetype): New declaration.
+	(enum size_type_kind): New type.
+	(struct sizetype_tab): Deleted.
+	(sizetype_tab): Now array; adjust sizetype macros.
+	(size_diffop, size_int_type_wide): New functions.
+	(size_int_wide): Change number of args and type; access macros changed.
+	(ssize_int, sbitsize_int): New macros.
+	* config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
+	(ROUND_TYPE_SIZE_UNIT): New macro.
+
+2000-02-27  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
+
+Sun Feb 27 07:44:17 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
+	Mark as possibly unused.
+
+	* cse.c (cse_insn): Delete dead code involving tablejump.
+	Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
+
+	* Makefile.in (libcpp.a): Start by deleting it.
+
+2000-02-27  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* cpplib.h (enum file_change_code): Added rename_file.
+	* cpplib.c (do_line): If a filename is given, set file_change to
+	rename_file.
+	(output_line_command): If file_change is rename_file, always
+	output a # directive with the file name.
+
+	* cpplib.c (do_pragma): Accept #pragma without consecutive token.
+
+2000-02-26  Mark Mitchell  <mark@codesourcery.com>
+
+	* integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
+	when copying a PARM_DECL or RESULT_DECL.
+
+2000-02-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* fix-header.c (recognized_function): Also fix prototypes for
+	functions taking "void".
+
+2000-02-26  Geoff Keating  <geoffk@cygnus.com>
+
+	* reload1.c (do_output_reload): Check reg_reloaded_valid before
+	looking at reg_reloaded_contents.
+
+2000-02-26  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* Makefile.in (STMP_FIXINC): New toggle.
+	(LIBGCC2_DEPS): Delete all references.
+	(stmp-headers): Delete target.  All references either deleted
+	or changed to stmp-int-headers.
+	(all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
+	(LIBCPP_OBJS): Take out cppalloc.o.
+	(cppalloc.o): Delete target.
+	(stmp-int-hdrs): Depend on $(STMP_FIXINC).
+	(gen-protos, fix-header): Link with libiberty.a.
+	* build-make: Don't change FIXINCLUDES.  Override STMP_FIXINC
+	to empty.
+
+	* configure.in: Remove refs to strerror.
+	* acconfig.h: Take out NEED_DECLARATION_STRERROR.
+	* system.h: Take out strerror stanza.
+
+	* cpperror.c (my_strerror): Delete function.
+	(cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
+	* cppmain.c (main): Call xmalloc_set_program_name first thing.
+	* cppalloc.c: Delete file.
+	* gen-protos.c: Don't provide xrealloc.
+
+	* fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
+	xstrerror throughout.
+
+2000-02-26  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/inclhack.def (undefine_null): the bypass pattern needs to
+	match for DOS headers, too.
+	* fixinc/inclhack.sh,fixincl.x: Regenerate.
+
+2000-02-26  Geoff Keating  <geoffk@cygnus.com>
+
+	* config/elfos.h (ASM_OUTPUT_LABELREF): Don't define.  The default
+	is right for most ELF targets.
+	* config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
+	Let the default file use %U properly.
+	* config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define.  Use the
+	default.
+
+	* config/fp-bit.c (pack_d): Properly handle rounding of denormal
+	numbers.
+
+Sat Feb 26 09:39:16 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* toplev.c (documented_lang_options): Correct spelling error.
+	(decode_d_option, decode_f_option, main): Likewise.
+
+	* toplev.c (print_time): Avoid SIGFPE when all_time is zero.
+
+	* config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
+	to tell assembler it is permitted to expand large constants.
+
+2000-02-25  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* protoize.c: (AUX_INFO_SUFFIX): New macro.
+	(aux_info_suffix): Use.
+	(SAVE_SUFFIX): New macro.
+	(save_suffix): Use.
+	(munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
+	(gen_aux_info_file): Use aux_info_suffix instead of ".X".
+	(edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
+
+	* invoke.texi (Running Protoize): Update documentation.
+
+2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
+
+	* i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
+
+2000-02-25  John Wehle  (john@feith.com)
+
+	* rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
+
+2000-02-25  Anthony Green  <green@cygnus.com>
+
+	* toplev.c (rest_of_compilation): Rebuild jump labels if
+	combine_instructions has created a new direct jump.
+	* combine.c (try_combine): Add new_direct_jump_p argument.  Set it
+	when appropriate.
+	(combine_instructions): Call try_combine with new argument.
+	Return non-null value when new direct jump instruction is created.
+	* rtl.h: combine_instructions returns an int.
+
+Fri Feb 25 19:49:08 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* cse.c (cse_insn): Replace the PATTERN of the insn with an new
+	jump when changing a computed jump into a jump to a known
+	target.
+
+Fri Feb 25 19:22:44 2000  Graham Stott <grahams@rcp.co.uk>
+
+	* resource.c (mark_referenced_resources): Changed use SET_DEST (...)
+	to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
+
+	* i386.md (define_expand "clrstrsi"): Fix typo.
+
+Fri Feb 25 18:49:39 2000  "K. Richard Pixley" <rich@microunity.com>
+
+	* rtl.texi: Fix typo.
+
+Fri Feb 25 20:02:35 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
+	UNITS_PER_WORD.  Change caller initial_elimination_offset.
+	(rounded_frame_size): Take into account that argument pushed has
+	changed.  Fix TARGET_ALIGN_DOUBLE problem.
+
+2000-02-25  Geoff Keating  <geoffk@cygnus.com>
+
+	* haifa-sched.c (schedule_block): Explain the real reason
+	we delete REG_SAVE_NOTEs on the first insn of a block.
+	Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
+
+2000-02-24  Mark Mitchell  <mark@codesourcery.com>
+
+	* input.h (push_srcloc): New function.
+	(pop_srcloc): Likewise.
+	* toplev.c (push_srcloc): Define it.
+	(pop_srcloc): Likewise.
+
+2000-02-24  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (life_analysis): When collecting reg info, clear
+	regs_ever_live.
+
+Thu Feb 24 22:06:52 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	Fix bug exposed by reload.c no longer rounding the frame
+	size to BIGGEST_ALIGNMENT:
+	* sh.c (rounded_frame_size): New function.
+	(sh_expand_prologue, sh_expand_epilogue): Use it.
+	(initial_elimination_offset): Likewise.
+
+Thu Feb 24 20:04:11 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
+	* sh-protos.h (sh_need_epilogue): Declare.
+	* sh.c (sh_need_epilogue_known): New static variable.
+	(sh_need_epilogue): New function.
+	(function_epilogue): Clear need_epilogue_known.
+	* sh.md (return): Split into expander / insn pattern.
+	Make the expander conditional on ! sh_need_epilogue ().
+
+2000-02-24  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* machmode.h (get_mode_alignment): Declare.
+	(GET_MODE_ALIGNMENT): Call it.
+	* stor-layout.c (get_mode_alignment): New function. Make
+	sure alignment is always power of 2.
+
+2000-02-23  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* i386.h: Remove useless definition of "I386" and misleading
+	comment above it.
+
+2000-02-23  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* tree.h (TREE_SET_PERMANENT): New macro.  Document conditions
+	under which TREE_PERMANENT will be set.
+	* tree.c (make_node, copy_node, make_tree_vec, tree_cons,
+	build1): Use TREE_SET_PERMANENT.
+	* print-tree.c (print_node): Don't report value of
+	TREE_PERMANENT if ggc_p is true.
+
+	* c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
+	decide whether to give a type a new alias set.
+	* objc/objc-act.c (build_objc_string_object): Never copy the string.
+	* tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
+	of value of 'obstack'.
+
+
+2000-02-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
+
+2000-02-23  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
+	* cpplib.c (cpp_get_token): Produce them.
+	* cppexp.c (cpp_lex): Handle them.
+
+2000-02-23  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.c (arm_comp_type_attributes): Simply and
+	comment tests on type attributes.
+
+Wed Feb 23 16:42:21 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* final.c (shorten_branches): Make value passed to LOOP_ALIGN
+	conform to documentation.
+	* sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
+	to check for special cases.
+	* sh-protos.h (sh_loop_align): Declare.
+	* sh.c (sh_loop_align): Define.
+
+2000-02-22  Andrew Haley  <aph@cygnus.com>
+
+	* config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
+	(SIZE_TYPE): Is 32 bits when using -mgp32.
+	(PTRDIFF_TYPE): Ditto.
+
+Wed Feb 23 07:26:27 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* diagnostic.c (init_output_buffer): Handle case of null PREFIX.
+
+2000-02-23  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* config/i386/i386.h: If IN_TARGET_LIBS is defined, make
+	BIGGEST_FIELD_ALIGNMENT a constant.
+
+2000-02-21  Jason Merrill  <jason@casey.cygnus.com>
+
+	* dwarf2out.c (output_line_info): Put the marker for the end of
+	the line number info at the actual end.
+	(gen_struct_or_union_type_die): Use decl_function_context
+	to check for local classes.
+	* dwarfout.c (output_type): Likewise.
+
+Tue Feb 22 01:38:57 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
+	for arguments with a mode, but no type.
+	(FUNCTION_ARG_CALLEE_COPIES): Similarly.
+	* t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
+	* pa/long_double.h: New file.
+	* configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
+	both have 128bit wide long doubles.
+	* configure: Rebuilt.
+
+2000-02-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
+
+	* flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
+	fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
+	(life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
+
+	* haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
+
+	* integrate.c (compare_blocks, find_block): Likewise.
+
+	* rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
+
+	* rtl.h (set_file_and_line_for_stmt): Constify a char*.
+
+	* stmt.c (stmt_status, set_file_and_line_for_stmt,
+	expand_asm_operands): Likewise.
+
+Mon Feb 21 17:06:27 2000  Jason Eckhardt  <jle@cygnus.com>
+
+	* predict.c (estimate_probability): Added the pointer heuristic to
+	the collection of static branch predictors.
+
+2000-02-21  Catherine Moore  <clm@cygnus.com>
+
+	* config/mips/mips.h (ASM_SPEC): Add -mfix700.
+	* invoke.texi (-mfix7000): Document.
+
+2000-02-21  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+	* diagnostic.c (init_output_buffer): Make it possible to output at
+	least 32 characters if we're given a too long prefix.
+
+2000-02-20  Mark Mitchell  <mark@codesourcery.com>
+
+	* varasm.c (initializer_constant_valid_p): Call
+	lang_expand_constant to	simplify the constant.
+
+2000-02-20  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/inclhack.def(stdio_va_list):
+	typedef needs to be disabled.
+	* fixinc/inclhack.sh: regen
+	* fixinc/fixincl.x: regen
+
+2000-02-20  Geoff Keating  <geoffk@cygnus.com>
+
+	* print-rtl.c (print_rtx): Don't print addresses when
+	flag_dump_unnumbered.
+
+2000-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* sparc.c (sparc_output_scratch_registers): Mark parameter with
+	ATTRIBUTE_UNUSED.
+	(sparc_va_arg, sparc_flat_output_function_prologue,
+	sparc_flat_output_function_epilogue): Cast value to unsigned in
+	comparison.
+	(sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
+
+	* sparc.md: Add default case in switch.
+
+2000-02-19  Richard Henderson  <rth@cygnus.com>
+
+	* c-typeck.c (add_pending_init): Don't abort for multiple
+	fields at the same offset.
+	(pending_init_member): Test the correct member.
+
+2000-02-19  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+	* except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
+	instead of SImode.
+	(start_catch_handler) : Same.
+
+2000-02-19  Brad Lucier  (lucier@math.purdue.edu)
+
+	* Makefile.in: Have flow.o depend on $(EXPR_H)
+
+Sat Feb 19 18:43:13 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
+	* c-decl.c (duplicate_decls, finish_enum): Likewise.
+	(finish_decl): Remove -Wlarger-than code from here.
+	* flags.h (id_clash_len): Now int.
+	(larger_than_size): Now HOST_WIDE_INT.
+	* fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
+	Clean up checking to see if in table.
+	(make_bit_field_ref): Remove extra parm to bitsize_int.
+	* ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
+	* print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
+	* stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
+	and for computing size of decl.
+	* stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
+	Move -Wlarger-than code to here.
+	(layout_record): Remove extra arg to bitsize_int.
+	Set TYPE_BINFO_SIZE_UNIT.
+	(layout_union): Remove extra arg to bitsize_int.
+	Use proper type for size of QUAL_UNION.
+	(layout_type): Remove extra arg to bitsize_int.
+	* toplev.c (id_clash_len): Now int.
+	(larger_than_size): Now HOST_WIDE_INT.
+	(decode_W_option): Clean up id-clash and larger-than- cases.
+	* tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
+	(expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
+	* tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
+	(struct tree_decl): New field size_unit.
+	(size_int_wide): No HIGH operand; NUMBER is now signed.
+	(size_int_2): Deleted.
+	(size_int, bitsize_int): Don't use it and rework args.
+	* varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
+
+Fri Feb 18 20:01:58 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
+
+2000-02-18  Geoff Keating  <geoffk@cygnus.com>
+
+	* invoke.texi (Warning Options): Add an explanation of why
+	you might want the -Wfloat-equal flag.
+
+Fri Feb 18 20:08:57 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
+	* cppinit.c (new_pending_define): Add cast to avoid warning.
+	* expmed.c (extract_bit_field): Likewise.
+	* flow.c (enum reorder_skip_type): New type.
+	(skip_insns_between_blcok): New it.
+	Rework to avoid warning about possibly undefined variable.
+	* function.c (assign_parms): Make thisparm_boundary unsigned.
+	* genrecog.c (write_switch): Cast XWINT result to int.
+	* lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
+	* mips-tfile.c (init_file): Make two versions of FDR intializer:
+	one for MIPS and one for Alpha.
+	(get_tag, copy_object): Add casts to avoid warnings.
+	* optabs.c (init_one_libfunc): Cast NAME to (char *).
+	* reload.c (find_reloads): Make TYPE enum reload_type.
+	* sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
+	* unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
+	* varasm.c (compare_constant_1): Add cast to avoid warning.
+	* config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
+	to (char *).
+	(alpha_expand_unaligned_load, alpha_expand_unaligned_store):
+	Cast switch operand of size to int.
+	(alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
+	* config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
+	in unhandled case.
+
+2000-02-18  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
+	anything for an alignment of zero.
+
+	* config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
+	anything for an alignment of zero.
+
+2000-02-18  Martin von Loewis  <loewis@informatik.hu-berlin.de>
+
+	* gcc.texi (Bug Reporting): Refer to bugs.html.
+	(Bug Lists): Likewise.
+	* system.h (GCCBUGURL): New preprocessor define.
+	* rtl.c (fancy_abort): Use it.
+	* gcc.c (main): Likewise.
+
+2000-02-18  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
+	(life_analysis_1): Subsume into ...
+	(life_analysis): ... here.  Force PROP_REG_INFO off after reload.
+	Use update_life_info for the relaxation.
+	(update_life_info): Update REG_BASIC_BLOCK for registers live on
+	entry and regs_live_at_setjmp.
+	(set_noop_p): Simplify.
+	(notice_stack_pointer_modification_1): Renamed from s/_1//.
+	(record_volatile_insns): Split into ...
+	(delete_noop_moves): ... here,
+	(notice_stack_pointer_modification): ... here,
+	(insn_dead_p): ... and here.
+	(propagate_block): Don't query INSN_VOLATILE.
+	(mark_used_regs): Mind !PROP_REG_INFO.
+	* toplev.c (rest_of_compilation): Call mark_constant_function here,
+	not in life_analysis.
+
+Fri Feb 18 01:29:22 EST 2000  John Wehle  (john@feith.com)
+
+	* loop.c (canonicalize_condition): New function,
+	broken out of get_condition.
+	(get_condition): Use it.
+	* expr.h (canonicalize_condition): Prototype it.
+
+	* tree.h (tree_int_cst_msb): Declare.
+	* tree.c (tree_int_cst_msb): New function.
+
+2000-02-17  Mark Mitchell  <mark@codesourcery.com>
+
+	* stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
+	isn't set.
+
+	* invoke.texi (-fmessage-length=n): Document.
+
+2000-02-17  Jason Merrill  <jason@casey.cygnus.com>
+
+	* bitmap.c (bitmap_operation): Don't leak bitmap elements.
+
+2000-02-17  Mark Mitchell  <mark@codesourcery.com>
+
+	* function.c (thread_prologue_and_epilogue_insns): Put a line note
+	after the prologue.
+
+2000-02-17  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/thumb.c: Replace includes of system headers with
+	#include "system.h".
+
+2000-02-16  Richard Henderson  <rth@cygnus.com>
+
+	* configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
+	Add crtbeginS.o and crtendS.o.
+	* alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
+	(ENDFILE_SPEC): Use crtendS.o.
+	* alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
+
+	* alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
+	(__do_global_dtors_aux): ... here.  Call __cxa_finalize if
+	shared and present.
+	(__dso_handle): New variable.
+	* alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
+	bias to __CTOR_END__.
+
+2000-02-16  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
+
+Wed Feb 16 21:40:04 2000  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* longlong.h (__clz_tab): Declare as static to match definition.
+
+2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
+
+	* i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
+	(XREF_FILE_NAME): Define.
+
+	* i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
+	(EH_FRAME_SECTION_ASM_OP): Define.
+	(IDENT_ASM_OP): Define.
+	(TEXT_SECTION_ASM_OP): Define.
+	(CPP_SPEC): Define.
+	(CTORS_SECTION_ASM_OP): Define.
+	(CTOR_SECTION_FUNCTION): Use it.
+	(DTORS_SECTION_ASM_OP): Define.
+	(DTOR_SECTION_FUNCTION): Use it.
+
+2000-02-16  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* reg-stack.c (emit_swap_insn): Do not put a new insn before a
+	NOTE_BASIC_BLOCK.
+
+	* flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
+	debug_bb_n): New functions.
+	(dump_flow_info, print_rtl_with_bb): Use dump_regset.
+	* basic-block.h: Prototype new functions.
+
+Wed Feb 16 21:07:53 2000  Denis Chertykov  <denisc@overta.ru>
+
+	* configure.in: Add support for avr target.
+	* configure: Rebuilt.
+
+	* invoke.texi: Add AVR invocation docs.
+	* install.texi: Add information about AVR.
+	* md.texi: Add AVR constraint letters description.
+	* extend.texi: Add description for AVR specific attributes.
+
+2000-02-16  Jason Merrill  <jason@casey.cygnus.com>
+
+	* fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
+
+2000-02-16  Nick Clifton  <nickc@cygnus.com>
+
+	* emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
+	(make_insn_raw): Move RTL check here.
+
+2000-02-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* version.c: Include gansidecl.h and version.h.
+
+	* version.h: Wrap entire file in macro __GCC_VERSION_H__.
+
+	* configure.in (gcc_version): When setting, narrow search to
+	lines containing `version_string'.
+
+	* Makefile.in (mainversion): Likewise.
+	(GCC_H): New variable.
+	(gcc.h): Delete target.
+	(gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
+	(version.o): Depend on version.h.
+	(dbxout.o): Don't depend on gcc.h.
+
+Wed Feb 16 15:04:49 2000  Hans-Peter Nilsson  <hp@bitrange.com>
+			  Michael Meissner  <meissner@cygnus.com>
+
+	* md.texi (Simple Constraints): Add item about whitespace.
+	* genoutput.c (strip_whitespace): New.
+	(scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
+	strip_whitespace for constraints.
+	Test pointer using NULL, not 0.
+
+2000-02-16  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* cpplib.c (do_line): Pedwarn for #line > 32767.
+
+	* c-lex.c (readescape): Warn about '\x', but do not reject it.
+
+2000-02-15  Jonathan Larmour  <jlarmour@redhat.co.uk>
+
+	* gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
+	to default cpp spec.
+	(do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
+	* cpp.texi: Document __GNUC_PATCHLEVEL__.
+	* cpp.1: Likewise.
+
+	* objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
+	default spec.
+
+2000-02-15  Denis Chertykov  <denisc@overta.ru>
+
+	* configure.in: Add support for avr target.
+
+Wed Feb 16 03:21:43 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
+	(sh_addr_diff_vec_mode): Don't declare.
+	* sh.c (sh_addr_diff_vec_mode): Delete.
+
+Wed Feb 16 01:27:52 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
+
+Wed Feb 16 00:58:06 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
+	(smulsi3_highpart_i): Name.
+	(udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
+	(divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
+	(smulsi3_highpart, umulsi3_highpart): Likewise.
+
+	(mulsidi3_i, umulsidi3_i): Make rtl describe operation
+	correctly independent of endianness.
+	(mulsidi3, umulsidi3): Now define_insn.  Hide details that
+	confuse the optimizers.
+	(mulsidi3+1, umulsidi3+1): New define_split.
+
+Tue Feb 15 23:22:26 2000  Andrew Haley  <aph@cygnus.com>
+
+	* config/sh/sh.md: Guard insn splits against illegal registers.
+	* config/sh/sh.h: Correct comment about macros.
+
+Tue Feb 15 22:30:36 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+			  Andrew MacLeod  <amacleod@cygnus.com>
+
+	* Makefile.in (lcm.o): Depend on insn-attr.h.
+	* basic-block.h (optimize_mode_switching): Declare.
+	* lcm.c (tm_p.h, insn-attr.h): #include.
+	(seginfo, bb_info): New structs.
+	(antic, transp, comp, delete, insert) : New file-scope static variables.
+	(new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
+	(reg_becomes_live, optimize_mode_switching): Likewise.
+	* tm.texi: Add description of mode switching macros.
+	* toplev.c (rest_of_compilation): Call optimize_mode_switching.
+
+	* sh-protos.h (remove_dead_before_cse): Remove prototype.
+	(fldi_ok, fpscr_set_from_mem): New prototypes.
+	* sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
+	(CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
+	Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
+	(sh_flag_remove_dead_before_cse): Remove declaration.
+	(NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
+	(MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
+	(MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
+	* sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
+	(barrier_align): Allow for JUMP_INSNS containing a parallel.
+	(machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
+	(fldi_ok): New function.
+	(get_fpscr_rtx): Add fpscr_rtx as GC root.
+	(emit_sf_insn): Only generate fpu switches when optimize < 1.
+	(emit_df_insn): Likewise.
+	(expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
+	(sh_flag_remove_dead_before_cse): Delete.
+	(get_free_reg, fpscr_set_from_mem): New functions.
+	* sh.md (movdf, movsf): Remove no_new_pseudos code.
+	(return): Remove emit_fpscr_use / remove_dead_before_cse calls.
+
+2000-02-15  Loren Rittle  <ljrittle@acm.org>
+
+	* ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
+
+2000-02-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
+	cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
+
+	* cccp.c: Include version.h and/or don't declare `version_string'.
+	* collect2.c: Likewise.
+	* alpha.c: Likewise.
+	* arm/aof.h: Likewise.
+	* arm/coff.h: Likewise.
+	* arm/elf.h: Likewise.
+	* arm/pe.h: Likewise.
+	* arm/tcoff.h: Likewise.
+	* arm/telf.h: Likewise.
+	* arm/tpe.h: Likewise.
+	* arm/vxarm.h: Likewise.
+	* convex/convex.c: Likewise.
+	* i386/dgux.c: Likewise.
+	* i386/sun386.h: Likewise.
+	* m88k/m88k.c: Likewise.
+	* mcore/mcore-pe.h: Likewise.
+	* mips/mips.h: Likewise.
+	* romp/romp.h: Likewise.
+	* sh/sh.c: Likewise.
+	* cpphash.c: Likewise.
+	* cppinit.c: Likewise.
+	* dwarf2out.c: Likewise.
+	* dwarfout.c: Likewise.
+	* gcc.c: Likewise.
+	* gcc.h: Likewise.
+	* mips-tfile.c: Likewise.
+	* protoize.c: Likewise.
+	* toplev.c: Likewise.
+	* tree.h: Likewise.
+
+	* version.c (version_string): Constify a char*.
+
+	* version.h: New file.
+
+2000-02-14  Nick Clifton  <nickc@cygnus.com>
+
+	* configure.in: Add mcore-elf and mcore-pe targets.
+	* configure: Regenerate.
+
+	* NEWS: Add note that MCore port has been contributed.
+
+	* invoke.texi: Document command line switches for MCore port.
+	* install.texi: Add MCore to list of supported targets.
+
+2000-02-14  Geoff Keating  <geoffk@cygnus.com>
+
+	* collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
+	then we will need to import the frame handling functions.
+	(scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
+	to import the frames themselves.
+
+Mon Feb 14 13:31:01 2000  Stan Cox  <scox@cygnus.com>
+			  Jason Eckhardt  <jle@cygnus.com>
+
+	* basic_block.h: Added prototype for reorder_basic_blocks.
+	* toplev.c: Changes to add -freorder-blocks and graph dump after
+	block reordering is done.
+	* flow.c (reorder_block_def): New structure for use during block
+	reordering.
+	(REORDER_BLOCK_*): New macros to access members of above structure.
+	(skip_insns_between_block, get_common_dest, chain_reorder_blocks,
+	make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
+	functions for block reordering.
+
+Mon Feb 14 11:24:44 2000  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* gcc.texi (Passes): Fix typo.
+	* md.texi (Standard Names): Ditto.
+	* tm.texi (Storage Layout): Ditto.
+
+2000-02-13  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.c (do_define): Only free the old definition if it
+	actually had one.
+
+2000-02-13   Neil Booth  <NeilB@earthling.net>
+
+	* cppfiles.c (read_and_prescan): When emitting deferred
+	newlines, test speccase[] again instead	of checking each
+	possible whitespace character in turn.  When we encounter \r,
+	look behind for \n first, then ahead.
+
+2000-02-13  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cse.c (cse_altered): New internal flag.
+	(cse_insn): Set it if we changed an insn.
+	(cse_main): Clear cse_altered before each basic block.
+	Only garbage collect if cse_altered is true afterward.
+
+Sun Feb 13 14:12:28 2000  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+	* sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
+
+Sun Feb 13 13:21:55 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* combine.c (simplify_comparison): Fix typo.
+
+Sun Feb 13 12:57:52 2000  Neil Booth <NeilB@earthling.net>
+
+	* prefix.c (concat, lookup_key): Use xmalloc and xrealloc
+	consistently.
+
+2000-02-13  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* flow.c (flow_loop_tree_node_add): Use better algorithm by passing
+	previously inserted node instead of root node.	Caller changed.
+
+2000-02-13  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
+
+2000-02-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
+	__dereg_frame_dtor): Add prototype argument.
+
+	* gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
+
+	* gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
+
+	* gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
+
+	* gthr-vxworks.h (__gthread_once): Likewise.
+
+	* gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
+
+Sat Feb 12 01:44:26 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
+	(ix86_expand_epilogue): ... here. Use mov instead of add to restore
+	stack pointer in functions w/o saved registers, output LEAVE more often
+	on TARGET_USE_LEAVE machines.
+
+2000-02-07  Dmitri Makarov  <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
+
+	* config/arm/arm.c (arm_init_cumulative_args); New function:
+	Initlaise the CUMULATIE_ARGS strcuture for a function
+	defintion.
+	(arm_function_arg): New function: Determine where to place a
+	function's argument.  Also handles deciding the function's
+	call cookie.
+	(current_file_function_operand): New function: Return true if
+	the symbol is a function which has already been compiled.
+	(arm_is_long_call_p): New function: Return true if the
+	indicated function should be called via a long call.
+	(arm_valid_type_attribute_p): New function: Return true if the
+	attribute is a valid, arm specific, attribute.
+	(arm_comp_type_attribute): New function: Return true if the
+	two types have compatable, arm specific, attributes.
+
+	* config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
+	structure.
+	(FUNCTION_ARG): Redefine to call arm_function_arg.
+	(FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
+	structure field.
+	(INIT_CUMULATIVE_ARGS): Redefine to call
+	arm_init_cumulative_args.
+	(FUNCTION_ARG_ADVANCE): Redefine to use correct structure
+	field.
+	(SETUP_INCOMING_VARARGS): Redefine to use correct structure
+	field.
+	(ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
+	functions.
+	(ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
+	(VALID_MACHINE_TYPE_ATTRIBUTE): Define.
+	(COMP_TYPE_ATTRIBUTES): Define.
+
+	* config/arm/arm.md (call): Call arm_is_long_call_p to decide
+	if a long call is needed.
+	(call_value): Call arm_is_long_call_p to decide if a long call
+	is needed.
+	(call_symbol): Call arm_is_long_call_p to decide if a long call
+	is needed.
+
+	* config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
+
+2000-02-11  Denis Chertykov  <denisc@overta.ru>
+
+	* README.AVR: New file with information about the avr ports.
+	* config/avr: New directory with avr port files.
+
+2000-02-11  Andreas Jaeger  <aj@suse.de>
+
+	* fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
+
+2000-02-11  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c: Fix formatting, update commentary.
+	(dump_definition): Take three separate arguments instead of a
+	MACRODEF structure argument.
+	* cpphash.h: Update prototype of dump_definition.
+	* cppinit.c (cpp_finish): Update call of dump_definition.
+
+	* cpplib.c (do_define): Always create new hash entry with
+	T_MACRO type.  Remove redundant check for redefinition of
+	poisoned identifier.  Update call of dump_definition.
+	(do_undef): Don't call check_macro_name.  Rename sym_length to
+	len.
+	(do_error, do_warning): Don't use copy_rest_of_line or
+	SKIP_WHITE_SPACE.
+	(do_warning): Don't use pedwarn for the actual warning,
+	only the notice about its not being in the standard.  (Fixes
+	bug with #warning in system headers.)
+	(do_ident): Stricter argument checking - accept only a single
+	string after #ident.  Also, macro-expand the line.
+	(do_xifdef): Use cpp_defined.  De-obfuscate.
+
+	(do_pragma): Split out specific pragma handling to separate
+	functions.  Use get_directive_token.  Update commentary.  Do
+	not pass on #pragma once or #pragma poison to the front end.
+	(do_pragma_once, do_pragma_implementation, do_pragma_poison,
+	do_pragma_default): New.
+
+Feb 11 12:30:53 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* jump.c (jump_optimize_1): The first operand in a relational
+	can be a CONST_INT.
+	* optabs.c (emit_conditional_move): Handle relationals which
+	have a known true/false result.
+
+2000-02-11  Geoff Keating  <geoffk@cygnus.com>
+
+	* function.c (thread_prologue_and_epilogue_insns): Don't insert
+	a RETURN insn into a block which already ends with a jump.
+
+2000-02-11  Geoff Keating  <geoffk@cygnus.com>
+
+	* haifa-sched.c (BUF_LEN): Increase a lot.
+
+2000-02-11  Nick Clifton  <nickc@cygnus.com>
+
+	* configure.in: Add tm_p_file specification for thumb targets.
+	* configure: Regenerate.
+
+	* config/arm/thumb-protos.h: New file: Prototypes for exported
+	functions defined in thumb.c.
+
+2000-02-11  Robert Lipe  <robertl@sco.com>
+
+	* Makefile.in (bootstrap-lean): Remove additional files.
+	(bootstrap2-lean): Likewise.
+	(VOL_FILES): List of files for above.
+
+2000-02-11  Nathan Sidwell  <nathan@acm.org>
+
+	* cpphash.c (special_symbol): Remove spurious argument to
+	cpp_lookup.
+
+2000-02-11  Joel Sherrill (joel@OARcorp.com>
+
+	* configure.in: (i*86-*-rtems*): Swapped elf and coff
+	stanzas.
+	* configure: Rebuilt.
+
+2000-02-11  Rodney Brown  <RodneyBrown@pmsc.com>
+
+	* pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
+
+Fri Feb 11 02:59:05 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* pa.c, pa.h: Remove trigraph sequences within comments.
+
+Fri Feb 11 02:51:56 2000  Pavel Roskin <pavel_roskin@geocities.com>
+
+	* invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
+
+Fri Feb 11 02:48:30 2000  Brad Lucier  (lucier@math.purdue.edu)
+
+	* sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
+
+2000-02-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
+
+2000-02-11  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
+	(ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
+	(ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
+	(ASM_FILE_END): Use c4x_file_end.
+	* config/c4x/c4x.c (c4x_global_label): New function.
+	(c4x_external_ref, c4x_file_end): Likewise.
+
+	* config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
+	(c4x_external_ref, c4x_end_file): Likewise.
+
+2000-02-10  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppexp.c: Don't include cpphash.h.
+	(parse_charconst, cpp_lex): Use cpp_defined.
+	(cpp_lex): Use get_directive_token throughout.  Remove
+	unnecessary cases from switch.  Move assertion-handling code
+	down to OTHER case.
+	(cpp_parse_expr): If we see '+' or '-', check the context to
+	determine if they are unary or binary operators.  Streamline
+	the jumps a bit.  Do not call skip_rest_of_line.
+
+	* cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
+	static.  Export get_directive_token.  Update commentary.
+	(cpp_defined): New function.
+	(do_define): Remove reference to T_PCSTRING.  Call
+	free_definition to release memory for old definition, when
+	redefining a macro.
+	(eval_if_expression): Set only_seen_white to 0 before calling
+	cpp_parse_expr.  Call skip_rest_of_line after it returns.
+	(cpp_read_check_assertion): Don't preserve a pointer into the
+	token buffer across a call to cpp_get_token.
+
+	* Makefile.in (cppexp.o): Don't depend on cpphash.h.
+	* cppfiles.c (redundant_include_p): Use cpp_defined.
+	* cpphash.c (free_definition): New function.
+	(delete_macro): Use it.  Update commentary.
+	* cpphash.h: Typedef HASHNODE here.  Prototype cpp_lookup and
+	free_definition.
+	* cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
+	from enum node_type.  Prototype cpp_defined and get_directive_token.
+	Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
+
+	* fix-header.c (check_macro_names): Use cpp_defined.
+	(read_scan_file): Set inhibit_warnings and inhibit_errors in
+	the options structure.
+
+2000-02-10  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
+
+	* c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
+
+2000-02-10  Jason Merrill  <jason@casey.cygnus.com>
+
+	* dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
+	rather than die->die_tag.
+
+Thu Feb 10 16:26:49 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* combine.c (make_extraction, force_to_mode): Avoid warning on
+	mixed-signedness conditionals.
+	(make_field_assignment, nonzero_bits): Likewise.
+	* expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
+	(store_split_bit_field, extract_split_bit_field): Likewise.
+	(extract_fixed_bit_field, store_bit_field,
+	* expr.c: Change alignment to be unsigned everywhere.
+	(move_by_pieces, store_constructor_field, store_constructor):
+	Alignment parm is unsigned.
+	(emit_block_move, emit_group_load, emit_group_store): Likewise.
+	(clear_storage, emit_push_insn, compare_from_rtx): Likewise.
+	(do_compare_rtx_and_jump): Likewise.
+	(move_by_pieces_ninsns, clear_by_pieces): Likewise.
+	Compare align with GET_MODE_ALIGNMENT.
+	(expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
+	(get_inner_reference): Likewise.
+	(copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
+	(expand_assignment): Local vars for alignment now unsigned.
+	(store_constructor, store_field, expand_expr, do_jump): Likewise.
+	(do_compare_and_jump): Likewise.
+	(store_field): Call new function expr_align.
+	* expr.h (emit_block_move, emit_group_load, emit_group_store):
+	Alignment arg now unsigned.
+	(clear_storage, emit_push_insn, compare_from_rtx): Likewise.
+	(do_compare_rtx_and_jump, store_bit_field): Likewise.
+	(extract_bit_field): Likewise.
+	* fold-const.c (add_double): Add cast to eliminate signedness warning.
+	* machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
+	(get_best_mode): Alignment arg is unsigned.
+	* rtl.h (move_by_pieces): Likewise.
+	* store-layout.c (maximum_field_alignment, set_alignment):
+	Now unsigned.
+	(layout_decl): Alignment arg is now unsigned.
+	Remove unneeded casts.
+	(layout_record, layout_union, layout_type): Remove unneeded casts.
+	Local alignment variables now unsigned.
+	(get_best_mode): Alignment arg now unsigned.
+	* tree.c (expr_align): New function.
+	* tree.h (expr_align): Likewise.
+	(maximum_field_alignment, set_alignment): Now unsigned.
+	(get_inner_reference): Alignment argument is now pointer to unsigned.
+	* varasm.c (assemble_variable): Add cast to eliminate warning.
+
+Thu Feb 10 12:56:47 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* expmed.c (store_bit_field): If op0 and fieldmode are the same size,
+	then store directly into op0.
+
+	* calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
+	the CALL_INSN, and emit the note immediately after it.
+
+2000-02-10  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/thumb.md (epilogue): Include a (return) in the
+	generated insn, and emit it using emit_jump_insn not
+	emit_insn.
+
+Thu Feb 10 18:28:59 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* function.c (assign_temp): Change zero-sized arrays to size 1.
+	* integrate.c (expand_inline_function): Do not update
+	stack_alignment_needed
+	* i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
+	add some sanity checking, remove optimization for function with
+	zero frame size.
+
+2000-02-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* flow.c (mark_regs_live_at_end): Delete unused variables.
+
+	* ggc-page.c (ggc_page_print_statistics): bzero -> memset.
+
+	* integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
+	in macro FRAME_GROWS_DOWNWARD.
+
+	* stmt.c (expand_end_bindings): Delete unused variable.
+
+	* unroll.c (iteration_info): Mark parameter `loop' with
+	ATTRIBUTE_UNUSED.
+
+2000-02-10  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* fixinc/server.c (load_data): Return NULL if the marker line is
+	not found.
+	(run_shell): If load_data returns NULL, retry the command once, in
+	a new shell.
+
+	* configure: Rebuilt.
+
+2000-02-09  Bruce Korb  <bkorb@gnu.org>
+
+	* gcc/fixincludes:  ** DELETED **
+	* gcc/fixcpp:  ** DELETED **
+	* gcc/fixinc-nt.sed:  ** DELETED **
+	* gcc/just-fixinc:  ** DELETED **
+	* gcc/Makefile.in:  Removed out-dated commentary
+	* gcc/configure.in: Removed fast-fixincludes disablement.
+	* MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
+
+2000-02-09  Clinton Popetz  <cpopetz@cygnus.com>
+	* function.c (thread_prologue_and_epilogue_insns): Uncomment
+	last change.
+
+2000-02-09  Richard Henderson  <rth@cygnus.com>
+
+	* jump.c (delete_insn): Don't delete user labels at -O0.
+
+2000-02-09  Robert Lipe  <robertl@sco.com>
+
+	* Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
+	Don't link with HOST_LIBS.
+
+2000-02-09  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* configure.in: Correct --help text for --with-dwarf2.
+	Put tm-dwarf2.h after other tm files, if it's requested.
+	* configure: Regenerate.
+	* config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
+	defining it.
+
+2000-02-09  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.h: Provide HASHNODE typedef and forward decl of
+	struct hashnode only.  Kill cpp_hashnode typedef.  MACRODEF,
+	DEFINITION, struct hashnode, struct macrodef, struct
+	definition, scan_decls prototype, default defn of
+	INCLUDE_LEN_FUDGE moved elsewhere.
+
+	* cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
+	definition, and struct hashnode moved here. Remove the unused
+	'predefined' field from struct definition.  Replace the 'args'
+	union with its sole member.  All users updated (cpphash.c).
+	Delete HASHSTEP and MAKE_POS macros, and hashf prototype.  Add
+	multiple include guard.
+
+	* cpphash.c (hashf): Make static; use better algorithm; drop
+	HASHSIZE parameter; return an unsigned int.
+	(cpp_lookup): Drop HASH parameter.  PFILE parameter is
+	used. Calculate HASHSIZE modulus here.
+	(cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
+	here.
+	(create_definition): Drop PREDEFINITION parameter.
+	* cpplib.c (do_define): Don't calculate a hash value here.
+	Don't pass (keyword == NULL) to create_definition.
+
+	* scan.h: Prototype scan_decls here.
+	* cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
+	* cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
+	callers of cpp_lookup and cpp_install updated.
+
+	* cpphash.c (macarg): Hoist all the flag diddling out of the
+	function...
+	(macroexpand): ... and out of the loop that calls macarg.
+	Skip over the initial paren before macro arguments with
+	cpp_get_non_space_token; point may be some distance before
+	that paren.  Abort if it's not there.
+
+	* cpplib.c (parse_clear_mark): Delete function.
+	(parse_set_mark, parse_goto_mark): Make static.
+	(ACTIVE_MARK_P): New macro.
+	(skip_block_comment, skip_line_comment): Do not bump the line
+	if ACTIVE_MARK_P is true.
+	(cpp_pop_buffer): The buffer to be popped may not have an
+	active mark.
+	(cpp_get_token): When looking for the initial paren before
+	macro arguments, only set a mark in a file buffer, Always
+	return to that mark before proceeding to call macroexpand or
+	return a NAME token.
+
+	* cpplib.h: Remove prototypes of parse_set_mark,
+	parse_clear_mark, parse_goto_mark.
+	(struct cpp_options): Rename 'put_out_comments' to
+	'discard_comments' and invert its sense.
+	* cppinit.c, cpphash.c, cpplib.c: All users of
+	put_out_comments changed to use discard_comments, with
+	opposite sense.
+
+2000-02-09  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* function.c (thread_prologue_and_epilogue_insns): Don't delete
+	the edge from a block that both jumps and falls through to the
+	fallthru block.
+
+2000-02-09  Scott Bambrough  <scottb@netwinder.org>
+
+	* config/arm/arm.md (movsi): In PIC mode, make sure that a
+	constant source address is legitimate.
+
+2000-02-09  Philip Blundell  <pb@futuretv.com>
+
+	* config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
+	correctly.
+
+	* config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
+	generating PIC.
+	(LEGITIMATE_PIC_OPERAND): Disallow references to labels.
+
+2000-02-09  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
+	ends with a newline and a NUL.  Don't be so clever manipulating
+	strings.
+
+Wed Feb  9 14:18:08 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
+	not to BIGGEST_ALIGNMENT.
+
+2000-02-08  Geoff Keating  <geoffk@cygnus.com>
+
+	* dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
+	* dwarf2out.c (dwarf_cfi_name): Print name of new constant.
+	(reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
+	(output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
+	* frame.c (execute_cfa_insn): Handle
+	DW_CFA_GNU_negative_offset_extended.
+
+2000-02-08  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (tidy_fallthru_edges): Split out from ...
+	(delete_unreachable_blocks): ... here.
+	(find_basic_blocks): Use it.
+
+Tue Feb  8 15:51:50 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
+
+2000-02-08  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
+	(gen_protos.o): Don't depend on cpplib.h or cpphash.h.
+	(fix-header.o): Don't depend on cpphash.h.
+
+	* scan.c (hashstr): New function.
+	* scan.h: Prototype it.
+	* fix-header.c: Don't include cpphash.h.  Use hashstr.
+	* gen-protos.c: Don't include cpphash.h or cpplib.h.  Use
+	hashstr.  Report hash table statistics.  Add private
+	definition of xrealloc.
+
+2000-02-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* i386.h (TARGET_SWITCHES): Fix typo in option name.
+
+2000-02-08  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* function.c (thread_prologue_and_epilogue_insns): Don't replace
+	jumps with returns unless they are jumps to the fallthru block.
+
+Tue Feb  8 07:53:55 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.md (addqi3_cc): Fix contraints.
+
+Tue Feb  8 01:39:45 2000  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
+
+2000-02-07  Mark Mitchell  <mark@codesourcery.com>
+
+	* cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
+	carriage return after a macro name.
+
+2000-02-07  Fred Fish  <fnf@be.com>
+
+	* i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
+	so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
+
+2000-02-07  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c (deps_output): Count spacers in deps_column.
+
+2000-02-07  Neil Booth  <NeilB@earthling.net>
+
+	* cppinit.c (initialize_dependency_output): If there is no
+	suffix, don't try to look for known suffixes.  Use strrchr.
+	(cpp_start_read): Remove duplicate initialization.
+
+Mon Feb  7 18:36:41 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* calls.c (compute_argument_block_size): New argument
+	preferred_stack_boundary.
+	(expand_call): update cfun->preferred_stack_boundary, update call of
+	compute_argument_block_size
+	(emit_library_call): Increate cfun->preferred_stack_boundary
+	to PREFERRED_STACK_BOUNDARY
+	(emit_library_call_value): Likewise.
+	* explow.c (allocate_dynamic_stack_spave): Likewise.
+	* function.c (prepare_function_start): Set
+	cfun->preferred_stack_boundary
+	* function.h (struct function): Add preferred_stack_boundary field.
+	* integrate.c (expand_inline_function): Update
+	cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
+	(copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
+	* i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
+
+2000-02-06  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
+	cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
+	cpp_pedwarn, cpp_pedwarn_with_line,
+	cpp_pedwarn_with_file_and_line): Move to cpperror.c.
+	(cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
+	v_cpp_error_with_line, v_cpp_warning_with_line,
+	cpp_message_from_errno, cpp_perror_with_name): Delete.
+
+	* cpperror.c (cpp_print_containing_files): Take starting
+	buffer as argument.
+	(cpp_file_line_for_message): Rename to cpp_print_file_and_line.
+	(v_cpp_message): Now called directly by all entry points.
+	Remove -1 case.
+	(cpp_pfatal_with_name, cpp_message): Delete.
+	(cpp_notice_from_errno, cpp_ice): New functions.
+	(cpp_notice): Is now for reporting error conditions, just
+	without an associated file.
+	(cpp_error, cpp_error_with_line): Don't do anything if
+	opts->inhibit_errors is on.
+	(cpp_pedwarn_with_file_and_line): Take column argument also.
+
+	* cpplib.h: Update prototypes of exported functions.
+	(struct cpp_options): Add inhibit_errors.
+
+	* cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
+	non-error messages.  Include intl.h.
+
+	* cppinit.c, cppmain.c: Likewise.  Also, use
+	cpp_notice_from_errno instead of cpp_perror_with_name or
+	cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
+
+	* cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
+	report internal errors.
+
+	* cpplib.c (do_define): Switch bcopy to memcpy.
+	Give cpp_pedwarn_with_file_and_line a dummy column argument.
+
+	* cpplib.c (copy_rest_of_line): Revert previous change: don't
+	bail out early if we hit a line comment.
+
+2000-02-06  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (flow_delete_insn, make_edge, remove_edge): Export.
+	* basic-block.h: Declare them.
+	* emit-rtl.h (active_insn_p): New.
+	(next_active_insn, prev_active_insn): Use it.
+	* rtl.h: Declare it.
+	* function.c (emit_return_into_block): New.
+	(thread_prologue_and_epilogue_insns): Insert return insns instead
+	of epilogues when possible.
+	* jump.c (jump_optimize_1): Remove code to insert a return insn
+	on the fallthru to the exit block.
+
+	* i386.c (ix86_can_use_return_insn_p): Fail for large poped args
+	and for non-empty stack frames.
+	* i386.md (return): Expand to return-pop as needed.
+
+2000-02-06  Richard Henderson  <rth@cygnus.com>
+
+	* simplify-rtx.c (simplify_relational_operation): Canonicalize
+	constant to op1 for testing.
+
+2000-02-06  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.md (*ldi_on_overflow): New pattern.
+	(fixuns_truncqfqi2): Use it.
+
+2000-02-06  Richard Henderson  <rth@cygnus.com>
+
+	* i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
+	as a TYPE_LEA insn.
+
+	* i386.md (widening and peepholes): Mask the constant instead of
+	using gen_lowpart.
+
+2000-02-05  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
+	input pointer before possibly branching off to the backslash
+	code.
+	* cpphash.c (macroexpand): Correctly delete \r escapes when
+	stringifying parameters.
+	* cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
+	if we can; bail out early if we hit a line comment.
+	(handle_directive): Treat '# 123' in an .S file just like
+	'# <punctuation>'.  Discard the shifted '#' if we hit '#\n'.
+	Return 1 for '# not_a_directive'.
+	(get_directive_token): Pop macro buffers here, so that
+	cpp_get_token can't sneakily move past a newline.
+	Add sanity checks.
+	(cpp_get_token): goto randomchar if handle_directive returns 0.
+
+	* cppalloc.c: Update copyright.
+	* cpplib.c: Merge all the static function prototypes into one
+	block.
+	* cpplib.h: Remove #if 0 block.
+
+	* cpperror.c: Remove #ifdef EMACS block.
+	* cppmain.c: Likewise.
+	* cpphash.c: Remove #if 0 blocks.
+	* cppinit.c: Remove #if 0 blocks, and the -lint option.
+	* cpplib.c: Remove #if 0 blocks and code referencing
+	pcp_inside_if or for_lint.  Remove duplicate error message.
+	Fix error messages for #else after #else or #elif.  Reformat.
+	Remove archaic TODO list.
+	* cpplib.h: Remove pcp_inside_if and for_lint flags.
+
+2000-02-05  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* i386/osf1elf.h: Add missing backslash to multiline string.
+
+2000-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
+
+2000-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* Makefile.in (c-common.o): Depend on $(EXPR_H).
+
+	* c-common.c: Include expr.h.
+
+	* c-pragma.c (mark_align_stack): Add prototype.
+
+	* caller-save.c (add_stored_regs): Likewise.
+
+	* combine.c (record_promoted_value): Likewise.
+
+	* i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
+	Likewise.
+
+	* cppinit.c (new_pending_define): Likewise.
+
+	* cpplib.c (skip_block_comment, skip_line_comment): Likewise.
+
+	* dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
+	AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
+	AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
+	class_scope_p): Likewise.
+
+	* dwarf2out.h (dwarf2out_set_demangle_name_func,
+	dwarf2out_add_library_unit_info): Likewise.
+
+	* ggc.h (ggc_page_print_statistics): Likewise.
+
+	* haifa-sched.c (propagate_deps): Likewise.
+
+	* reg-stack.c (next_flags_user, record_label_references): Likewise.
+
+	* rtl.h (set_stack_check_libfunc): Likewise.
+
+	* toplev.h (set_fatal_function): Likewise.
+
+	* toplev.c (set_fatal_function): Delete prototype.
+
+	* diagnostic.c: Deconstify functions returning malloc'ed ptrs.
+
+2000-02-05  Geoff Keating  <geoffk@cygnus.com>
+
+	* ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
+	(FUNC_END): Likewise.
+
+2000-02-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* caller-save.c: Include tm_p.h.
+
+2000-02-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
+
+2000-02-04  Neil Booth  <NeilB@earthling.net>
+
+	* cccp.c (main): Check 'dir' for a NULL pointer before passing
+	it to strcmp.
+
+2000-02-04  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* recog.h: Remove NO_MD_PROTOTYPES ifdefs.
+	* genflags.c: Use the max_operand_1 logic from genemit.c to
+	calculate how many arguments gen_insn prototypes have.  Remove
+	NO_MD_PROTOTYPES ifdefs from the generated file.
+	* genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
+	file.  Cast gen_insn initializers to insn_gen_fn.
+	* config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
+	* gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
+
+2000-02-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* fixinc/Makefile.in (HDR): Add machname.h.
+	(clean): Likewise.
+
+2000-02-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
+	(c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
+	(c4x_cpu_version): Ditto.
+	* config/c4x/c4x-protos.h: ... here.
+
+2000-02-04  Jason Merrill  <jason@casey.cygnus.com>
+
+	* dwarf2out.c (add_abstract_origin_attribute): Don't call
+	gen_abstract_function on our context if we're a nested function.
+
+2000-02-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
+	* config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
+
+2000-02-04  Bruce Korb  <bkorb@gnu.org>
+
+	* fixinc/genfixes(machname.h):
+	Move the functionality from gen-machine.h into this file.
+	UNdef MN_NAME_PAT if there are no names to change.
+	Also, be a little kinder when AutoGen is not present.
+
+	* fixinc/Makefile.in(machname.h):
+	Change the generation rule to use genfixes.
+
+	* fixinc/fixfixes.c(machine_name):
+	machine_name_fix's functionality now dependent upon whether
+	MN_NAME_PAT is defined.
+
+	* fixinc/fixtests.c(machine_name):
+	ditto.
+
+	* fixinc/fixlib.c(mn_get_regexps): conditional on definition
+	of MN_NAME_PAT.
+
+	* fixinc/fixlib.h(mn_get_regexps):
+	ditto
+
+	* fixinc/gen-machine.h: DELETED
+
+2000-02-04  Jan Hubicka  <jh@suse.cz>
+	    Richard Henderson  <rth@cygnus.com>
+
+	* i386.c (SAVE_REGS_FIRST): Remove.
+	(ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
+	(ix86_compute_frame_size): Likewise.
+	(ix86_expand_prologue): Likewise.  Use pro_epilogue_adjust_stack.
+	(ix86_emit_restore_regs): Remove.
+	(ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
+	when a frame pointer is in use.
+	(ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode.  Use mov
+	instead of pop to restore a register when profitable; emit leave
+	when profitable.
+	(ix86_attr_length_default): Handle pro_epilogue_adjust_stack
+	as a TYPE_LEA insn.
+	(ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
+	* i386.md (prologue_allocate_stack): Remove.
+	(epilogue_deallocate_stack): Remove.
+	(pro_epilogue_adjust_stack): New.
+
+2000-02-04  Richard Henderson  <rth@cygnus.com>
+
+	* function.c (diddle_return_value): Rework to use a callback function.
+	Use current_function_return_rtx if it's been set up.
+	(do_clobber_return_reg, clobber_return_register): New.
+	(do_use_return_reg, use_return_register): New.
+	(expand_function_end): Use them.
+	* stmt.c (expand_null_return): Likewise.
+	* function.h: Declare them.
+	* flow.c (mark_regs_live_at_end): Use diddle_return_value.
+	(mark_reg): Change arguments as appropriate for callback.
+	* integrate.c (expand_inline_function): Revert 19 Jan change.
+
+Fri Feb  4 20:25:42 2000  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* tm.texi (Values in Registers): Fix typo: "fo" "for".
+	(Misc): Say the scheduler, not the Haifa scheduler.
+
+2000-02-04  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
+	when in_mem is set.  Update all callers.
+
+2000-02-04  Richard Henderson  <rth@cygnus.com>
+
+	* i386/openbsd.h (INT_ASM_OP): Define.
+
+Fri Feb  4 10:51:30 2000  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* tm.texi: Fix various typos.
+
+Thu Feb  3 17:17:32 2000  Steve Ellcey <sje@cup.hp.com>
+
+	* config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
+	(MD_STARTFILE_PREFIX_1): New macro.
+
+Thu Feb  3 15:08:13 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.md (movstrsi, clrstrsi): Support variable sized copies, align
+	destination when needed.
+	(strmovsi, strsetsi): New expander.
+	(strmovsi_1, strsetsi_1): New pattern.
+	* i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
+	TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
+	(TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
+	* invoke.texi (align-stringops, inline-all-stringops): Document.
+
+Wed Feb  2 23:04:47 2000   Krister Walfridsson <cato@df.lth.se>
+
+	* i386/netbsd.h (INT_ASM_OP): Define.
+
+2000-02-02  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.h (cpp_reader): Add new flag, no_directives.
+	* cpphash.c (macarg): Set it.
+	* cpplib.c (handle_directive): If no_directives is on and we
+	find a directive, issue an error and discard the line.
+
+Wed Feb  2 13:07:10 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
+	FP constants.  Add ! TARGET_FPU check for FP constants.
+
+2000-02-02  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* flow.c (find_basic_blocks): Don't kill label_value_list
+	here.
+	(cleanup_cfg): Kill it here.
+
+Wed Feb  2 08:12:30 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* expr.c (store_field): Ensure ALIGN is no stricter than the
+	alignment of EXP.
+
+2000-02-02  Richard Henderson  <rth@cygnus.com>
+
+	* jump.c (delete_insn): Partially revert 19 Jan change;
+	don't convert unused code labels to notes at -O0.
+
+2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+	* toplev.c (rest_of_compilation): Run rebuild_jump_labels after
+	split_all_insns to recreate REG_LABEL notes for flow2 pass.
+
+2000-02-01  Richard Henderson  <rth@cygnus.com>
+
+	* i386.c (general_no_elim_operand): New.
+	(nonmemory_no_elim_operand): New.
+	(ix86_expand_move): Copy eliminable operands before a push.
+	* i386-protos.h: Declare new functions.
+	* i386.h (CAN_ELIMINATE): Simplify.
+	(PREDICATE_CODES): Update.
+	* i386.md (push insns): Don't allow eliminable register operands.
+
+2000-02-01  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (mark_regs_live_at_end): Follow expand_function_end and
+	replace BLKmode with DECL_RTL's mode.
+
+2000-02-01  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* frame.c (find_fde): Convert for loop to do-while so compiler
+	sees it's always executed at least once.
+	* libgcc2.c (BBINBUFSIZE): Kill.
+	(__bb_init_prg): Use fgets.
+	(__bb_exit_trace_func): Don't paste strings.
+	* unroll.c (unroll_loop): Initialize unroll_type, not
+	unroll_number, and tweak logic to match.
+
+	* i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
+	all failure paths.
+	(ix86_flags_dependant): Likewise.  Disentangle control flow.
+	(ix86_sched_reorder): Break guts out to
+	ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
+	(ix86_sched_reorder_ppro): Initialize pair2 and insnp before
+	any possible use.
+
+	* i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
+	use string concatenation.  Don't save and restore esi.
+
+	* fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
+	(machname.h): Remove script to separate file.  Use two-step
+	sequence so target is not created if script fails.
+	* fixinc/gen-machname.h: New file.  Handle case where no non-reserved
+	identifiers are defined.
+	* fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
+	an empty string, machine_name doesn't need to do anything at
+	all.
+	(is_cxx_header): Add more cases to regexp.
+	* fixinc/fixlib.h: Update prototype.
+	* fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
+	mn_get_regexps.
+	* fixinc/fixincl.c: Define NO_BOGOSITY.
+
+	* fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
+	(hp_sysfile): Add missing comma.
+	(math_exception): Put the wrapper ifdefs at the beginning and
+	the end of the file.
+	* fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
+
+2000-02-01  Richard Henderson  <rth@cygnus.com>
+
+	* sparc.c (fp_zero_operand): Turn into a normal predicate.
+	Use CONST0_RTX.  Update all callers.
+	* sparc.h, sparc-protos.h: Update accordingly.
+	* sparc.md (fp mov insns): Use fp_zero_operand directly
+	where applicable.
+
+Wed Feb  2 02:59:45 2000  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
+	example.
+
+2000-02-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* Makefile.in (specs.ready): New target.
+	(fixinc.sh): Depend on `specs.ready' instead of `specs'.
+
+2000-02-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* fixinc.irix: Use unique filenames for writing into /tmp,
+	* fixinc.ptx: Likewise.
+	* fixinc.sco: Likewise.
+	* fixinc.svr4: Likewise.
+	* fixinc.winnt: Likewise.
+
+2000-02-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* tsystem.h: New file.
+
+	* Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
+	s-crtS): Depend on tsystem.h.
+
+	* crtstuff.c: Include tsystem.h.
+	* frame.c: Likewise.
+	* libgcc2.c: Likewise.
+
+Tue Feb  1 19:53:27 CET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* builtins.c (expand_builtin_memset): Expand for variable sized
+	lengths too.
+
+2000-02-01  David Billinghurst <David.Billinghurst@riotinto.com.au>
+
+	* config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
+	on ABI.
+
+Tue Feb  1 00:57:40 2000  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* dwarfout.c (SHORT_TYPE_SIZE): Correct default.
+
+	* tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
+
+2000-01-31  Chandra Chavva <cchavva@cygnus.com>
+
+	* combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
+	case 3->2 combining (combining with splitting) in which 2 is CC0
+	setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
+	checked at the begining of the function with the aid of calling
+	function 'can_combine_p'.
+
+2000-01-31  Dave Brolley  <brolley@redhat.com>
+
+	* cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
+
+2000-01-31  Jason Merrill  <jason@casey.cygnus.com>
+
+	* jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
+	new label.
+
+2000-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
+
+	* sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
+	PROTO -> PARAMS.
+
+2000-01-30  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
+	i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
+	i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
+	i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
+	i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
+	i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
+	i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
+	i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
+	i386/vxi386.h, i386/win-nt.h, i386/win32.h:
+	Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
+
+	* i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
+	Add %(cpp_cpu) to CPP_SPEC.
+
+	* i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
+	Add %(cc1_cpu) to CC1_SPEC.
+
+2000-01-28  Ulrich Drepper  <drepper@redhat.com>
+
+	* c-decl.c (c_decode_option): Accept optional numeric argument to
+	-Wformat and set warn_format.
+	* c-common.c: Don't emit warning about non-constant printf format
+	string unless warn_format > 1.
+
+2000-01-30  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.md (return_internal): Allow after reload only.
+
+2000-01-30  Richard Henderson  <rth@cygnus.com>
+
+	* i386.c (ix86_compute_frame_size): Omit padding1 if the
+	local frame size is zero.
+
+2000-01-30  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.c (alpha_expand_epilogue): Don't emit the return insn.
+	* alpha.h (EPILOGUE_USES): New.  Mark $26 live.
+	* alpha.md (return): Turn into an expander.
+	(return_internal): Don't use $26.
+	(epilogue): Emit the return insn.
+
+2000-01-30  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.md (negtf2, abstf2): Fix word order thinko.
+	(extendsftf2): New.
+	(trunctfsf2): Avoid intermediate rounding errors.
+
+2000-01-30  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppfiles.c (find_position): Drop 'colp' argument, return the
+	new line base.
+	(read_and_prescan): Adjust to match.  Don't ever manipulate
+	line or line_base except via find_position.
+
+2000-01-29  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* c-parse.in: Apply Ulrich's changes from c-parse.y.
+	* c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
+	Regenerate.
+
+2000-01-29  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpperror.c (cpp_file_line_for_message): If 'line' is zero,
+	just print "<command line>".  If 'filename' is null or an
+	empty string, print "<stdin>" for the filename.
+	* cpplib.c (do_define): Don't print the 'location of the
+	previous definition' message if we're still parsing the
+	command line.
+	(cpp_pedwarn_with_file_and_line): Always call
+	cpp_file_line_for_message.
+
+2000-01-29  Mark Mitchell  <mark@codesourcery.com>
+
+	* flow.c (mark_regs_live_at_end): Fix typo.
+
+2000-01-28  Ulrich Drepper  <drepper@redhat.com>
+
+	* c-common.c: Adjust variable names, comments, help strings to c99.
+	* c-lex.c: Likewise.
+	* c-parse.y: Likewise.
+	* c-tree.h: Likewise.
+	* cccp.c: Likewise.
+	* cpplib.h: Likewise.
+	* c-decl.c: Likewise.  Recognize options with names "*99" as well.
+	* cppinit.c: Likewise.
+
+2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+	* c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
+	* c4x.c: Define the optab rtx values.
+	(c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
+	(c4x_emit_libcall): Use new optab rtx values.
+	(c4x_emit_libcall3): Likewise.
+	(c4x_emit_libcall_mulhi): Likewise.
+	* c4x-protos.h: Add prototypes for optab rtx values and change
+	prototypes for above c4x_emit_libcall functions.
+
+2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+	* c4x.c (c4x_output_ascii): Restrict line length of output when TI
+	syntax is used.
+	(c4x_function_prologue): Use regnames intead of float_reg_names when
+	TI syntax is used.
+	(c4x_function_epilogue): Likewise.
+	(c4x_print_operand): Likewise.
+	* c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
+	* c4x.md (set_high): Disable for TARGET_TI.
+
+2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+	* c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
+	of framepointer + constant to ADDR_REGS class.
+	* c4x.md (addqi3, addqi3_noclobber_reload): Update.
+	* c4x.c (std_or_reg_operand): New function.
+	* c4x-protos.h (std_or_reg_operand): Prototype it.
+
+2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+	* t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
+		object names as libgcc2.c.
+	* libgcc.S: Use newly defined names.
+
+Fri Jan  7 19:48:04 CET 2000  Jan Hubicka  <jh@suse.cz>
+	* sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
+	function.
+	* sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
+	* basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
+	(FLOW_LOOP_LAST_BLOCK): Likewise.
+
+2000-01-21  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* basic-block.h (struct loop): New fields 'first' and 'last'.
+	* flow.c (flow_loops_find): Compute loop->first and loop->last.
+	(flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
+	and loop->last to check for NOTE_INSN_LOOP_END.
+
+Fri Jan 28 10:57:58 2000  Jason Eckhardt  <jle@cygnus.com>
+
+	* predict.c (estimate_probability): Use the new FIRST and LAST fields
+	of the loop descriptor rather than HEADER and LATCH. Also added
+	missing break statements as well making some coding style modifications
+	as suggested by Michael Hayes.
+
+2000-01-28  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (find_basic_blocks): Remove do_cleanup argument.
+	Break out that code ...
+	(cleanup_cfg): ... here.
+	(commit_one_edge_insertion): Detect a return instruction being
+	emitted to an edge.  Emit a barrier following; clear fallthru.
+	(commit_edge_insertions): Verify CFG consistency.
+	* function.c (expand_function_start): Kill unused variable.
+	(expand_function_end): Likewise.
+	(thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
+	to insert the epilogue.
+
+	* gcse.c (gcse_main): Adjust for find_basic_blocks change.
+	(delete_null_pointer_checks): Likewise.
+	* output.h: Likewise.
+	* reg-stack.c (reg_to_stack): Likewise.
+	* toplev.c (rest_of_compilation): Likewise.  Run
+	thread_prologue_and_epilogue_insns after rebuilding the CFG.
+
+2000-01-28  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (flow.o): Revert 24 Jan change.
+	* flow.c (mark_regs_live_at_end): Likewise.  Force BLKmode
+	FUNCTION_VALUE result to DECL_RESULT's mode.
+
+	* haifa-sched.c (schedule_insns): Don't recompute reg info
+	after reload.
+
+2000-01-28  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* configure.in: Make --enable-cpplib the default.
+	* configure: Regenerate.
+	* gcc.dg/990119-1.c: No longer expected to fail.
+
+2000-01-28  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* jump.c (jump_optimize_1): Delete an optimization that is also done
+	by merge_blocks in flow.
+
+2000-01-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* diagnostic.c (build_message_string, output_printf,
+	line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
+	(build_location_prefix): Fix non-literal format string.
+
+2000-01-27  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.md (trunctfsf2): New.
+
+2000-01-27  Andrew Hobson  <ahobson@eng.mindspring.net>
+
+	* configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
+
+2000-01-27  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppinit.c (cpp_handle_option): Recognize C++ comments under
+	-std=gnu89.
+	* cpplib.c (skip_block_comment, skip_line_comment): Split code
+	out of...
+	(skip_comment) ... here.  Permit C++ comments in system
+	headers always.  Warn about C++ comments in user code under
+	-std=gnu89 -pedantic.
+	(copy_comment): Use skip_comment.
+	(cpp_skip_hspace, cpp_get_token): skip_comment can no longer
+	return EOF.
+	(consider_directive_while_skipping, do_else, do_endif): Call
+	validate_else unconditionally.
+	(validate_else): Check CPP_PEDANTIC here.  Accept non-comment
+	text after the conditional in a system header.
+	* cpplib.h (struct cpp_buffer): Add flag
+	warned_cplusplus_comments.
+
+2000-01-27  Geoffrey Keating  <geoffk@cygnus.com>
+
+	* emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
+	Use unshare_all_rtl_1.
+	(unshare_all_rtl_again): New function.
+	(unshare_all_rtl_1): New function split out of unshare_all_rtl.
+
+	* function.c (purge_addressof_1): Use unshare_all_rtl_again
+	rather than resetting the 'used' flags ourself.
+
+	* toplev.c (rest_of_compilation): Add current_function_decl
+	to the unshare_all_rtl call.
+	* tree.h: Prototype unshare_all_rtl.
+	* rtl.h: Prototype unshare_all_rtl_again here.
+
+2000-01-27  Geoffrey Keating  <geoffk@cygnus.com>
+
+	* genoutput.c (output_prologue): Include ggc.h in generated
+	files.
+	* Makefile.in (insn-output.o): Depends on ggc.h.
+
+2000-01-27  Ian Dall  <ian@sibyl.beware.dropbear.id.au>
+	    Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
+	Remove redundant include of xm-ns32k.h.
+	* ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
+	Remove redundant include of xm-ns32k.h.
+	* ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
+	Remove redundant include of xm-ns32k.h.
+	* ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
+
+	* ns32k/ns32k.h: Update comment on multiply-add instructions.
+	(TARGET_SWITCHES): Add documentation strings.
+	(DWARF_FRAME_REGNUM): Override default definition.
+	(REG_CLASS_CONTENTS): Add comments.
+	(SUBSET_P): Format to reduce line length.
+	(SMALL_REGISTER_CLASSES): Make a run time option.
+	(GO_IF_NONINDEXED_ADDRESS): Reformat.
+	(GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
+	dereferencing it.  Braces to avoid "ambiguous else" were misplaced.
+	(regclass_map): fix typo in comment.
+	* ns32k/ns32k.c: Add spaces before parentheses for consistant style.
+	Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
+	(trace, reg_or_mem_operand): Delete, unused function.
+	(calc_address_cost): Small offsets are cheaper than large ones.
+	(expand_block_move): Generate more efficient code when bytes is a
+	known at compile time.
+	* ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
+	(udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
+	instead of reg_or_mem_operand.
+
+	* ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
+	not general_operand.  Similarly use "=rm" or stricter, not "=g".
+	For input operands, use stricter constraints than "g" if not
+	general_operand.  Similarly use stricter predicate than
+	"general_operand" when stricter constraints than "g" are present,
+	except for matching constraints.
+	(movstrsi): Use "memory_operand" for operands 0 and 1.
+	(truncsiqi2, truncsihi2, trunchiqi2): Remove.
+	(udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
+	not reg_or_mem_operand.
+	(udivmoddisi4): Ditto.
+	Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
+	Use nonimmediate_operand for operand 3, not register_operand.
+	(udivmoddiqi4_internal): Use register_operand for operand 1, not
+	reg_or_mem_operand.
+
+2000-01-27  Fred Fish  <fnf@be.com>
+
+	* gthr-posix.h: Fix typo; compatibily -> compatibility.
+	* gthr-single.h: Likewise.
+	* gthr-solaris.h: Likewise.
+	* gthr-vxworks.h: Likewise.
+	* gthr-win32.h: Likewise.
+	* gthr.h: Likewise.
+
+2000-01-27  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppinit.c: Add " (cpplib)" to end of string printed by
+	-v / --version.
+
+2000-01-27  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.c (alpha_emit_conditional_move): Use VOIDmode when
+	testing for a signed comparison.
+	(alpha_emit_floatuns): New.
+	* alpha-protos.h: Declare it.
+	* alpha.md (floatunsdisf2, floatunsdidf2): New.
+	(extendsfdf2): Tidy.
+
+2000-01-27  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
+	no -g option specifying debugging format, default to -gstabs+.
+
+Wed Jan 26 22:19:14 1999  J"orn Rennecke  <amylaar@cygnus.co.uk>
+
+	* calls.c (special_function_p): New argument fork_or_exec.
+	(expand_call): When profile_arc_flag is set and the function
+	is in the fork_or_exec group, call __bb_fork_func first.
+	* libgcc2.c, _bb module (__bb_fork_func): New function.
+	(__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
+	output file.
+	* config/svr4.h (TARGET_HAS_F_SETLKW): Define.
+	* tree.h (special_function_p): Update prototype.
+
+2000-01-26  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.c (alpha_split_tfmode_pair): New.
+	* alpha-protos.h: Declare it.
+	* alpha.md (abstf2, negtf2): New.
+	(movtf insn): Add input G constraint.
+	(movtf splitter): Use alpha_split_tfmode_pair.
+
+2000-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* i386/cygwin.h: PROTO -> PARAMS.
+
+2000-01-26  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
+	TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
+	using _Qp_cmp/_Q_cmp and testing the return value.
+	(print_operand): Call reverse_condition_maybe_unordered if
+	we are handling CCFPmode or CCFPEmode.
+	Handle ORDERED, UN* and LTGT comparisons.
+	* config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
+	if not TARGET_HARD_QUAD.
+	(seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
+	bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
+	Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
+	Adjust gen_b* calls so that they reflect return comparison of
+	sparc_emit_float_lib_cmp.
+
+2000-01-26  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
+	incoming operands array is large enough for one more operand.
+	(alpha_emit_xfloating_arith): Likewise.
+
+2000-01-25  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
+	file with one line and no trailing newline.
+	Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
+	* fixinc/fixtests.c (machine_name_test): Fix fencepost error
+	checking if the match is on the line.
+	* fixinc/gnu-regex.c: Provide regerror not __regerror.
+
+2000-01-25  Richard Henderson  <rth@cygnus.com>
+
+	* sparc.c (output_cbranch): Fix accidental squashing of the
+	fp branch pre-delay nop.
+
+2000-01-25  Richard Henderson  <rth@cygnus.com>
+
+	* tree.def (UNNE_EXPR): Remove.
+	* c-typeck.c (build_binary_op): Don't handle it.
+	* expr.c (expand_expr, do_jump, do_store_flag): Likewise.
+
+	* rtl.def (UNNE): Remove.
+	(LTGT): Add.
+	* jump.c (reverse_condition): Update accordingly.
+	(swap_condition): Likewise.
+	(comparison_dominates_p): Handle unordered comparisons.
+	(reverse_condition_maybe_unordered): New.
+	* rtl.h (reverse_condition_maybe_unordered): Declare.
+
+	* sparc.c (select_cc_mode): Update for UNNE/LTGT.
+	(output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
+	* sparc.h (REVERSIBLE_CC_MODE): Always true.  Update docs.
+	* sparc.md (bltgt): New.
+
+2000-01-25  Nick Clifton  <nickc@redhat.com>
+
+	* emit-rtl.c (emit_insn): Only check machine class insns for
+	improper emission of a RETURN.
+
+2000-01-25  Richard Henderson  <rth@cygnus.com>
+
+	* Makefile.in (flow.o): Depend on $(EXPR_H).
+	* flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
+	duplicate the structure of diddle_return_value for keeping regs live.
+
+2000-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* loop.c (current_loop_info): Delete.
+	(consec_sets_invariant_p): Add loop argument, update callers.
+	(get_condition_for_loop): Likewise.
+	(count_nonfixed_reads, update_giv_derive): Likewise.
+	(simplify_giv_expr, general_induction_var): Likewise.
+	(consec_sets_giv, recombine_givs): Likewise.
+	(move_movables): Delete loop_start and loop_end arguments,
+	add loop argument, and update callers.
+	(find_mem_givs, check_final_value): Likewise.
+	(record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
+	(loop_invariant_p): Rename from invariant_p, add loop argument, and
+	update callers.
+	(basic_induction_var): Add loop argument, delete loop_level argument,
+	and update callers.
+	* unroll.c (iteration_info): Delete loop_start and loop_end arguments,
+	add loop argument, and update callers.
+	(find_splittable_regs, find_splittable_givs): Likewise.
+	(reg_dead_after_loop, loop_find_equiv_value): Likewise.
+	(final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
+	(biv_total_increment): Delete loop_start and loop_end arguments;
+	update callers.
+	(precondition_loop_p): Delete loop_start and loop_info arguments;
+	update callers.
+	* loop.h (get_condition_for_loop): Add loop argument.
+	(biv_total_increment): Delete loop_start and loop_end arguments.
+	(precondition_loop_p): Delete loop_start and loop_info arguments;
+	add loop argument.
+	(final_biv_value): Delete loop_start and loop_end arguments;
+	add loop argument.
+	(final_giv_value, back_branch_in_range_p): Likewise.
+
+2000-01-25  Gavin Romig-Koch  <gavin@cygnus.com>
+
+	* config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
+
+2000-01-25  Gavin Romig-Koch  <gavin@cygnus.com>
+
+	* Makefile.in (c-gperf.h) : Change the "See" pointer to
+	point to the new "generated_files" doc.
+
+2000-01-25  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/fp-bit.c (_unord_f2): Fix typo.
+
+2000-01-25  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
+	c-typeck.c, objc/objc-act.c: Remove all references to obstack
+	functions obsoleted by GC, such as push_obstacks_nochange,
+	end_temporary_allocation, savealloc, saveable_tree_cons, etc.
+	and code which existed only to decide whether or not to call
+	them.  Remove now-unused NESTED argument from start_function;
+	all callers changed.  Do not change behavior based on ggc_p.
+	The use of the ixp_obstack in c-iterate.c and the util_obstack
+	in objc/objc-act.c remain; these are not obsoleted by garbage
+	collection.
+	* c-tree.h: Update prototype for start_function.
+
+	* c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
+
+2000-01-25  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/mips/mips.md (zero_extendsidi2_internal): Disable for
+	mips16.
+
+2000-01-25  Richard Henderson  <rth@cygnus.com>
+
+	* sparc-protos.h (select_cc_mode): Declare.
+	* sparc.c (select_cc_mode): New.  Handle unordered compares.
+	(output_cbranch): Always reverse via code change.  Handle
+	unordered compares.  Factor tests and string updates.
+	* sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
+	(REVERSIBLE_CC_MODE): Also exclude CCFPmode.
+	* sparc.md (bunordered, bordered): New.
+	(bungt, bunlt, buneq, bunge, bunle): New.
+
+2000-01-25  Richard Henderson  <rth@cygnus.com>
+
+	* dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
+	* ggc-common.c (ggc_add_rtx_varray_root): New.
+	(ggc_mark_rtx_varray): New.
+	(ggc_mark_rtx_varray_ptr): New.  Shift all ggc_mark_foo_ptr
+	functions down below ggc_mark_foo.
+	* ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
+
+2000-01-25  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.c (secondary_reload_class): Don't allocate a secondary
+	for integral mode memories into FLOAT_REGS.  Rearrange the more
+	complicated memory expression inward.
+
+2000-01-25  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* inclhack.def: Fixes to play nicer with FreeBSD, and
+	corrections to comments.
+	(cxx_unready): Add select expression.
+	(irix_sockaddr): Add bypass expression.
+	(machine_ansi_h_va_list): New fix.
+	(stdio_va_list): No need to edit _BSD_VA_LIST_.
+	Split out addition of "#include <stdarg.h>" to...
+	(stdio_stdarg_h): ... here.
+	(systypes_for_aix): Rename to systypes_stdlib_size_t.  Apply
+	to stdlib.h also.  Do not munge _BSD_SIZE_T_.
+	(sysz_stdlib_for_sun): Delete duplicate fix for unprotected
+	size_t.
+	(ultrix_ifdef): Tighten up select expression.
+
+	* fixincl.tpl: Exorcise 'exesel'.  Rewrite calculations of
+	re_ct and max_mach to avoid use of shell.  Make printed names
+	match names in inclhack.def.  Use static copyright date.
+	Don't count c_test and test expressions as requiring regex_t
+	slots.  Add some commentary.
+	* inclhack.tpl: Do not include the 'This script contains N
+	fixup scripts' line if PROGRAM is defined.  Use static
+	copyright date.
+
+2000-01-24  Jason Merrill  <jason@casey.cygnus.com>
+
+	* dwarf2out.c: include "varray.h", not dyn-string.h.
+	(ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
+	(addr_const_to_string, addr_to_string): Lose.
+	(ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
+	(struct dw_val_struct): val_addr is now an rtx.
+	(add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
+	(used_rtx_varray): New varray.
+	(dwarf2out_init): Initialize it.
+	(save_rtx): New fn.
+	(mem_loc_descriptor, add_const_value_attribute): Call it instead of
+	addr_to_string.
+	* arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
+	sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
+	* Makefile.in (dwarf2out.o): Update dependencies.
+
+2000-01-24  Richard Henderson  <rth@cygnus.com>
+
+	* i386.c (i386_dwarf_output_addr_const): New.
+	* i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
+
+	* dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
+	if defined.
+	* dwarfout.c (output_mem_loc_descriptor): Likewise.
+	* i386.c (i386_simplify_dwarf_addr): New.
+	* i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
+
+Mon Jan 24 16:56:10 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* dwarf2out.c (gen_struct_or_union_type_die): Set complete if
+	TYPE_STUB_DECL is NULL.
+
+2000-01-24  Richard Henderson  <rth@cygnus.com>
+
+	* builtins.c (expand_tree_builtin): Move ...
+	* c-common.c (expand_tree_builtin): ... here.
+
+2000-01-25  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* loop.h (LOOP_INFO): New accessor macro.
+	* basic-block.h (struct loop): Rename field `info' to `aux'.
+	* loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
+	(prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
+	* unroll.c (loop_iterations, unroll_loop): Likewise.
+
+2000-01-24  Christopher Faylor <cgf@cygnus.com>
+
+	* config/i386/t-cygwin: Accomodate new winsup directory layout
+	when searching for include files.
+
+2000-01-24  Richard Henderson  <rth@cygnus.com>
+
+	* rtl.def: Add unordered fp comparisions.
+	* tree.def: Likewise.
+	* tree.h: Add ISO C 9x unordered fp comparision builtins.
+
+	* builtins.c (expand_tree_builtin): New function.
+	* c-typeck.c (build_function_call): Use it.
+	(build_binary_op): Support unordered compares.
+	* c-common.c (c_common_nodes_and_builtins): Add unordered compares.
+
+	* combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
+	(reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
+	* cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
+	(record_jump_equiv): Handle reverse_condition returning UNKNOWN.
+	* jump.c (reverse_condition): Don't abort for UNLE etc, but
+	return UNKNOWN.
+	(swap_condition): Handle unordered compares.
+	(thread_jumps): Check can_reverse before reversing.
+	* loop.c (get_condition): Likewise.  Allow UNORERED/ORDERED to be
+	reversed for FP.
+
+	* optabs.c (can_compare_p): New argument CODE.  Verify branch or
+	setcc is present before acking for cmp_optab.  Update all callers.
+	(prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
+	* expmed.c (do_cmp_and_jump): Update for can_compare_p.
+	* expr.c (expand_expr): Likewise.  Support unordered compares.
+	(do_jump, do_store_flag): Likewise.
+	* expr.h (enum libfunc_index): Add unordered compares.
+
+	* Makefile.in (FPBIT_FUNCS): Add _unord_sf.
+	(DPBIT_FUNCS): Add _unord_df.
+	* config/fp-bit.c (_unord_f2): New.
+	* fp-test.c (main): Try unordered compare builtins.
+
+	* alpha-protos.h (alpha_fp_comparison_operator): Declare.
+	* alpha.c (alpha_comparison_operator): Check mode properly.
+	(alpha_swapped_comparison_operator): Likewise.
+	(signed_comparison_operator): Likewise.
+	(alpha_fp_comparison_operator): New.
+	(alpha_emit_conditional_branch): Handle unordered compares.
+	* alpha.h (PREDICATE_CODES): Update.
+	* alpha.md (fp compares): Use alpha_fp_comparison_operator.
+	(bunordered, bordered): New.
+
+2000-01-24  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
+	* alpha.md (movtf): New expander, insn, and splitter.
+
+Mon Jan 24 19:49:47 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
+	dead registers.
+
+Mon Jan 24 17:37:31 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
+	(FIXED_REGISTERS, CALL_USED_REGISTERS,
+	 REG_ALLOC_ORDER): Add frame pointer
+	(FRAME_POINTER_REGNUM): Set to 20
+	(HARD_FRAME_POINTER_REGNUM): New macro.
+	(ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
+	to HARD_FRAME_POINTER.
+	(REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
+	(REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
+	(REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
+	(HI_REGISTER_NAMES): Add "frame".
+	(CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
+	(debug_reg): Handle FRAME_POINTER_REGNUM.
+	(reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
+	GENERAL_REGS and INDEX_REGS.
+	* i386.c (SAVED_REGS_FIRST): new macro.
+	(AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
+	(ix86_decompose_address, memory_address_length): Likewise.
+	(regclass_map): Add frame pointer.
+	(call_insn_operand): Handle frame_pointer_rtx.
+	(reg_no_sp_operand): Likewise.
+	(ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
+	(print_operand, legitimize_pic_address): Fix formating.
+	(ix86_compute_frame_size): Make static, update prototype, new
+	parameters padding1, padding2, use ix86_nsaved_regs, use
+	stack_alignment_needed.
+	(ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
+	to HARD_FRAME_POINTER_REGNUM conversions.
+	(ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
+	(ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
+	(print_reg): Abort on FRAME_POINTER_REGNUM
+
+Mon Jan 24 16:50:08 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386.h (PREDICATE_CODES): Add aligned_operand.
+	* i386.c (aligned_operand): New function.
+	(ix86_aligned_p): Kill.
+	* i386.md (movhi_1): Emit mov for aligned operands.
+	(promoting peep2s): Use aligned_operand.
+
+2000-01-23  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
+	expression to allow underscores in macro names.
+	(fix_char_macro_defines): Increment scanning pointer.
+
+2000-01-23  Richard Henderson  <rth@cygnus.com>
+
+	* alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
+	* alpha/osf5.h: New file.
+	* configure.in (alpha-*-osf5): Add it to tm_file.
+
+	* emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
+
+	* alpha-protos.h (alpha_emit_xfloating_arith): Declare.
+	(alpha_emit_xfloating_cvt, function_arg): Declare.
+	* alpha.c (alpha_emit_conditional_branch): Call
+	alpha_emit_xfloating_compare for TFmode compares.
+	(alpha_lookup_xfloating_lib_func): New.
+	(alpha_compute_xfloating_mode_arg): New.
+	(alpha_emit_xfloating_libcall): New.
+	(alpha_emit_xfloating_arith): New.
+	(alpha_emit_xfloating_compare): New.
+	(alpha_emit_xfloating_cvt): New.
+	(print_operand): Add default abort case.
+	(function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
+	* alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
+	(BIGGEST_ALIGNMENT): Increase to 128 bits.
+	(RETURN_IN_MEMORY): True for TF/TCmode.
+	(ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
+	(FUNCTION_ARG): Move to function_arg.
+	(FUNCTION_ARG_PASS_BY_REFERENCE): New.
+	(ASM_OUTPUT_LONG_DOUBLE): New.
+	(ASM_OUTPUT_DOUBLE): Always output bits.
+	* alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
+	(fix_trunctfdi2, floatditf2, floatunsditf2): New.
+	(extenddftf2, trunctfdf2): New.
+
+2000-01-23  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
+	* config/sparc/sol2.h: ... here.
+
+2000-01-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* basic-block.h (struct loops): New field `levels'.
+	* flow.c (flow_loops_level_compute): Traverse all outer loops.
+	(flow_loop_level_compute): Initialise level to 1.
+	(flow_loops_find): Set loops->levels.
+	(flow_loops_dump): Print loops->levels.
+
+2000-01-23  Richard Henderson  <rth@cygnus.com>
+
+	* libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
+	(throw_helper): Iterate over DWARF_FRAME_REGISTERS.
+
+2000-01-23  Richard Henderson  <rth@cygnus.com>
+
+	* i386.c (dbx_register_map, svr4_dbx_register_map): New.
+	* i386.h (DBX_REGISTER_NUMBER): Use them.
+	* i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
+	* i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
+	* i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
+	* i386/sequent.h: Kill incorrect comment.
+
+2000-01-23  Mark Mitchell  <mark@codesourcery.com>
+
+	* ggc-page.c (struct page_entry): Make `context_depth' an
+	`unsigned short'.
+	(struct globals): Likewise.
+
+2000-01-23  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* loop.c (check_dbra_loop): When checking a loop for
+	reversability, check the source of any stores to ensure
+	they don't depend on an initial value.
+
+2000-01-23  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
+
+2000-01-22  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* fixinc/fixincl.c: Move declarations of 'pz_fname' and
+	'pz_scan' into scope of entire function.  Only affects
+	compiles with -DDEBUG.
+
+2000-01-22  Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
+
+	* config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
+	section naming to that prior to 2000-01-07 patch.
+	* config/mips/elf.h (UNIQUE_SECTION): Ditto.
+	* config/mips/elf64.h (UNIQUE_SECTION): Ditto.
+	* config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
+	* config/i386/interix.c (UNIQUE_SECTION): Ditto.
+	* config/i386/winnt.c (UNIQUE_SECTION): Ditto.
+
+2000-01-22  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
+	constant.
+
+2000-01-21  Jim Wilson  <wilson@cygnus.com>
+
+	* fixinc/inclhack.tpl: Test for directory before trying to cd into it.
+	* fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
+
+2000-01-21  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpphash.c (change_newlines): Delete function.
+	(struct argdata): Delete 'newlines' and 'use_count' fields.
+	(macroexpand): Remove code referencing those fields.
+
+2000-01-22  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* loop.c (loops_info): New variable.
+	(loop_optimize): Allocate loops->array and free it on exit.
+	Allocate memory for loops_info and assign to each loop,
+	replacing alloca.
+	(find_and_verify_loops): Do not allocate loops->array.
+
+2000-01-21  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
+
+2000-01-21  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
+	pseudos if expanded after first flow.
+	(movdi_pic_label_ref): Likewise.
+
+2000-01-20  Richard Henderson  <rth@cygnus.com>
+
+	* jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
+
+2000-01-20  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* Makefile.in (fixinc.sh): Depend on specs.
+	* fixinc/Makefile.in: Add rule to create machname.h.
+	(fixlib.o): Depend on machname.h.
+	* fixinc/fixtests.c (machine_name): New test.
+	* fixinc/fixfixes.c (machine_name): New fix.
+	* fixinc/fixlib.c (mn_get_regexps): New helper function for
+	the machine_name test and fix.
+	* fixinc/fixlib.h: Prototype it.
+	* fixinc/inclhack.def (machine_name): Use the C test and fix.
+	* fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
+
+	* gcc.c (do_spec_1) [case P]: Take care not to create
+	identifiers with three leading or trailing underscores.
+
+	* fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
+	(fixincl): Don't specify libraries twice on link line.
+	(gnu-regex.o): Remove special rule.
+	* fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
+	defined by config.h.  Do not define _REGEX_RE_COMP.
+	(regcomp): Allocate and initialize a fastmap.
+	* fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
+
+2000-01-20  Brad Lucier  <lucier@math.purdue.edu>
+
+	* Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
+
+2000-01-19  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (propagate_block): Replace FIRST, LAST and BNUM
+	arguments with BB.  Update all callers.  Tidy line wrapping.
+
+2000-01-19  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* emit-rtl.c (try_split): Return last_insn if we split the
+	last_insn.
+
+Thu Jan 20 01:01:23 MET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* i386-protos.h (ix86_compute_frame_size): Remove prototype.
+	(ix86_initial_elimination_offset): Declare.
+	* i386.c (ix86_nsaved_regs): Break out from ...
+	(ix86_can_use_return_insn_p): ... here.
+	(ix86_emit_save_regs): Break out from ...
+	(ix86_expand_prologue): ... here.
+	(ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
+	out from ...
+	(ix86_expand_epilogue): ... here.
+	(ix86_compute_frame_size): Make static, add prototype.
+	(ix86_initial_elimination_offset): Break out from ...
+	* i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
+
+2000-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* recog.h (OUT_FCN): Delete.
+
+	* vax.md: Call `get_insn_template' instead of OUT_FCN.
+
+2000-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* cppalloc.c: PROTO -> PARAMS.
+	* cpperror.c: Likewise.
+	* cppfiles.c: Likewise.
+	* cpplib.c: Likewise.
+	* cpplib.h: Likewise.
+
+	* config/arm/arm-protos.h: PROTO -> PARAMS.
+	* config/arm/arm.c: Likewise.
+	* config/c4x/c4x.c: Likewise.
+	* config/fr30/fr30-protos.h: Likewise.
+	* config/nextstep.c: Likewise.
+	* config/pa/pa.c: Likewise.
+	* config/pj/pj.c: Likewise.
+	* config/rs6000/rs6000.c: Likewise.
+	* config/v850/v850-protos.h: Likewise.
+	* config/v850/v850.c: Likewise.
+
+2000-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* i370-protos.h: New file.
+
+	* i370.c: Include tm_p.h.  Fix compile time warnings.
+
+	* i370.h: Move prototypes to i370-protos.h.  Fix compile time
+	warnings.
+
+	* i370.md: Likewise.
+
+2000-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
+	(target_isinf, target_isnan, eisnan): Mark parameter with
+	ATTRIBUTE_UNUSED.
+	(eiisinf): Wrap in INFINITY.
+	(etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
+	(ibmtoe): Remove unused variable `rndsav'.
+
+Wed Jan 19 20:23:06 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
+	(GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
+
+2000-01-19  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
+	* fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
+	(fix_char_macro_defines, fix_char_macro_uses): New functions.
+
+	* fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
+	Recognize Emacs mode markers also.
+	* fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
+	C++ comments in C++ headers.  Call is_cxx_header only if
+	necessary.
+
+	* fixinc/inclhack.def (avoid_bool): Add select for the problem and
+	bypass for ncurses.
+	(bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
+	(io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
+	... these, which use the new C fixes.
+	(math_exception): Escape literal '+' in bypass expression.
+
+	* fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
+	Regenerate.
+
+2000-01-19  Geoff Keating  <geoffk@cygnus.com>
+
+	* rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
+	inside the MEM.
+
+2000-01-20  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* loop.c (loop_optimize): Allocate loop_info structure for each loop
+	prior to calling scan_loop.
+
+Wed Jan 19 19:54:38 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.c (find_barrier, gen_block_redirect): Fix indentation.
+	(split_branches, calc_live_regs): Likewise.
+
+Wed Jan 19 19:12:36 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sh.md (fpu_single, fp_mode): New attributes.
+
+2000-01-20  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* loop.c (current_loop_info): Renamed from loop_info_data
+	and changed to a pointer.
+	(loop_optimize): Allocate loop_info structure for each loop
+	and initialise to zero.
+	(scan_loop): Set current_loop_info.
+
+	* unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
+	on iteration_var.
+
+2000-01-19  Richard Henderson  <rth@cygnus.com>
+
+	* stupid.c: Die die die.
+	* Makefile.in (OBJS): Remove stupid.o.
+	(stupid.o): Likewise.
+
+	* except.c (emit_eh_context): Don't emit USEs for stupid.
+	* explow.c (probe_stack_range): Likewise.
+	* flags.h (obey_regdecls): Remove.
+	* flow.c (find_basic_blocks): Don't run try_merge_blocks
+	when not optimizing.
+	(life_analysis): Limit data collection when not optimizing.
+	(mark_regs_live_at_end): Always mark the return value registers.
+	(mark_used_regs): Remove dummy RETURN case.
+	(print_rtl_with_bb): Don't consult obey_regdecls.
+	* function.c (use_variable, use_variable_after): Remove.
+	(assign_parms): Consult optimize not obey_regdecls.
+	(expand_function_start): Don't emit USEs for stupid.
+	(expand_function_end): Likewise.
+	* global.c (build_insn_chain): Export.
+	* integrate.c (expand_inline_function): Kill return-value USE
+	handling code.
+	* jump.c (jump_optimize_1): Do simple jump optimizations and
+	dead code elimination.
+	(calculate_can_reach_end): Remove check_deleted argument.
+	(delete_insn): Patch out insns even when not optimizing.
+	* local-alloc.c (block_alloc): Don't do tying when not optimizing.
+	* rtl.h (use_variable, use_variable_after): Remove declarations.
+	(build_insn_chain): Declare.
+	* stmt.c (expand_value_return): Don't emit USEs for stupid.
+	(expand_end_bindings): Likewise.
+	(expand_decl): Likewise.  Consult optimize not obey_regdecls.
+	* toplev.c (obey_regdecls): Remove.
+	(rest_of_compilation): Don't set it.  Kill stupid in favour of
+	flow1, local-alloc, and reload.
+	(main): Don't set obey_regdecls.
+
+	* config/nextstep.c (handle_pragma): Likewise.
+
+	* alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
+
+	* arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
+
+2000-01-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* alpha-protos.h: PROTO -> PARAMS.
+	* alpha.c: Likewise.
+	* elf.h: Likewise.
+	* h8300.c: Likewise.
+	* i386-protos.h: Likewise.
+	* i386.c: Likewise.
+	* m32r-protos.h: Likewise.
+	* m32r.c: Likewise.
+	* mips.c: Likewise.
+	* mips.md: Likewise.
+	* gmon-sol2.c: Likewise.
+	* sparc.c: Likewise.
+
+2000-01-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* ns32k-protos.h: New file.
+
+	* ns32k.c: Fix compile time warnings.
+
+	* ns32k.h: Move prototypes to ns32k-protos.h.  Fix compile time
+	warnings.
+
+	* ns32k.md: Likewise.
+
+2000-01-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* vax-protos.h: New file.
+
+	* vax.c: Fix compile time warnings.
+
+	* vax.h: Move prototypes to vax-protos.h.  Fix compile time
+	warnings.
+
+	* vax.md: Likewise.
+
+	* vaxv.md: Likewise.
+
+2000-01-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* romp-protos.h: New file.
+
+	* romp.c: Fix compile time warnings.
+
+	* romp.h: Move prototypes to romp-protos.h.  Fix compile time
+	warnings.
+
+	* romp.md: Likewise.
+
+2000-01-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* we32k-protos.h: New file.
+
+	* we32k.c: Fix compile time warnings.
+
+	* we32k.h: Move prototypes to we32k-protos.h.  Fix compile time
+	warnings.
+
+2000-01-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
+
+	* except.c (eh_regs): Likewise.
+
+	* final.c (output_operand): Likewise.
+
+	* fold-const.c (target_isinf, target_isnan): Likewise.
+
+Tue Jan 18 16:19:55 MET 2000  Jan Hubicka  <hubicka@freesoft.cz>
+
+	* i386.h (BIGGEST_ALIGNMENT): Set to 128.
+	(BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
+
+	* i386.md (memstr): Do not use rep stosb for counts divisible by 4
+	when optimize_size.
+	(clrstrsi): Rewrite.
+	(strsethi, strsetqi): New expanders.
+	(strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
+	(cmpstrsi): Emit compare insn before cmpstrsi_1
+	(cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
+	(strlensi_1): Likewise.
+	(cmpstrsi_1): Likewise; do not output compare.
+	(strlen expander): Do not unroll when optimizing for size.
+	(*subsi3_carry): Rename to subsi3_carry
+	(addqi3_cc): New pattern.
+	* i386.h (processor_costs): Add move_ratio field.
+	(MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
+	* i386.c (*_cost): Set move_ratio.
+	(x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
+	(x86_expand_strlensi_1): Rewrite the main loop.
+
+2000-01-17  Richard Henderson  <rth@cygnus.com>
+
+	* combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
+	* cse.c (find_comparison_args, fold_rtx): Likewise.
+	* integrate.c (subst_constants): Likewise.
+	* loop.c (get_condition): Likewise.
+
+	* tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
+
+	* alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
+
+2000-01-18  Martin v. Löwis  <loewis@informatik.hu-berlin.de>
+
+	* c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
+	(RESTORE_WARN_FLAGS): Unpack it.
+	Change semantic type of extension to ttype.
+	* c-common.c (split_specs_attrs): Expect an INTEGER_CST.
+	* c-parse.y, c-parse.c, objc/objc-parse.y,
+	objc/objc-parse.c: Regenerate.
+
+2000-01-17  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* fixinc/fixlib.c: Add copyright notice.
+	(compile_re): New function.
+	* fixinc/fixlib.h: Prototype compile_re.
+
+	* fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
+	Use compile_re to compile regular expressions.
+
+	* fixinc/fixincl.c (egrep_test): Don't bother asking regexec
+	where the pattern matched.
+
+	* fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
+	use 'replace'.
+	(ultrix_ansi_compat): Likewise.
+	(interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
+	add egrep test.
+	(interactv_add2, interactv_add3): Delete.
+	(x11_sprintf): Don't use filename glob.
+	* fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
+	Regenerate.
+
+2000-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* print-rtl.c: PROTO -> PARAMS.
+	* real.c: Likewise.
+	* reg-stack.c: Likewise.
+	* resource.c: Likewise.
+	* sdbout.h: Likewise.
+	* simplify-rtx.c: Likewise.
+	* stor-layout.c: Likewise.
+	* stupid.c: Likewise.
+	* xcoffout.c: Likewise.
+	* xcoffout.h: Likewise.
+
+2000-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* toplev.c: PROTO -> PARAMS.
+	* toplev.h: Likewise.
+	* tree.c: Likewise.
+	* tree.h: Likewise.
+	* unroll.c: Likewise.
+	* varasm.c: Likewise.
+	* varray.c: Likewise.
+	* varray.h: Likewise.
+
+2000-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* reload.c: PROTO -> PARAMS.
+	* reload.h: Likewise.
+	* reload1.c: Likewise.
+	* reorg.c: Likewise.
+	* resource.h: Likewise.
+	* rtl.c: Likewise.
+	* rtl.h: Likewise.
+	* rtlanal.c: Likewise.
+	* sbitmap.h: Likewise.
+	* sdbout.c: Likewise.
+	* stack.h: Likewise.
+	* stmt.c: Likewise.
+	* system.h: Likewise.
+
+2000-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* machmode.h: PROTO -> PARAMS.
+	* mbchar.h: Likewise.
+	* mips-tdump.c: Likewise.
+	* mips-tfile.c: Likewise.
+	* optabs.c: Likewise.
+	* output.h: Likewise.
+	* prefix.c: Likewise.
+	* profile.c: Likewise.
+	* protoize.c: Likewise.
+	* real.h: Likewise.
+	* recog.c: Likewise.
+	* recog.h: Likewise.
+	* regclass.c: Likewise.
+	* regmove.c: Likewise.
+	* regs.h: Likewise.
+
+2000-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* ggc-common.c: PROTO -> PARAMS.
+	* ggc-page.c: Likewise.
+	* ggc-simple.c: Likewise.
+	* ggc.h: Likewise.
+	* global.c: Likewise.
+	* graph.c: Likewise.
+	* gthr-win32.h: Likewise.
+	* haifa-sched.c: Likewise.
+	* halfpic.h: Likewise.
+	* integrate.c: Likewise.
+	* integrate.h: Likewise.
+	* jump.c: Likewise.
+	* lcm.c: Likewise.
+	* local-alloc.c: Likewise.
+	* loop.c: Likewise.
+	* loop.h: Likewise.
+
+2000-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* genattr.c: PROTO -> PARAMS.
+	* genattrtab.c: Likewise.
+	* gencheck.c: Likewise.
+	* gencodes.c: Likewise.
+	* genconfig.c: Likewise.
+	* genemit.c: Likewise.
+	* genextract.c: Likewise.
+	* genflags.c: Likewise.
+	* gengenrtl.c: Likewise.
+	* genopinit.c: Likewise.
+	* genoutput.c: Likewise.
+	* genpeep.c: Likewise.
+	* genrecog.c: Likewise.
+
+2000-01-16  Mark Mitchell  <mark@codesourcery.com>
+
+	* tree.h (BINFO_VPTR_FIELD): Augment documentation.
+
+2000-01-16  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
+	* configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
+	* ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
+	* configure, config.in: Rebuilt.
+
+2000-01-16  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* config/i386/i386.md: Add peephole to merge successive stack
+	adjusts.
+
+Sat Jan 15 15:41:14 EST 2000  John Wehle  (john@feith.com)
+
+	* gcse.c (insert_insn_end_bb): Use emit_block_insn_before
+	instead of emit_insn_before.  Also handle NOTE_INSN_BASIC_BLOCK
+	when walking backwards to find all the parameter loads when
+	the basic block ends in a call.
+
+2000-01-15  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* loop.c (this_loop_info): Delete.
+	(uid_loop): Add in place of uid_loop_num.  All uses updated.
+	(loop_number_exit_count): Delete and replace with entry in loop
+	structure.  All uses updated.
+	(loop_number_loop_starts, loop_number_loop_ends): Likewise.
+	(loop_number_loop_cont, loop_number_cont_dominator): Likewise.
+	(loop_outer_loop): Likewise.
+	(loop_invalid, loop_number_exit_labels): Likewise.
+	(loop_used_count_register): Delete and replace with entry in
+	loop_info structure.
+	(find_and_verify_loops): Add loops argument.
+	(verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
+	loop_end, etc. arguments with loop structure pointer.  All callers
+	changed.
+	(loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
+	(check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
+	(load_mems_and_recount_loop_regs_set, load_mems): Likewise.
+	(insert_bct): Likewise.
+	(basic_induction_var): New argument level.
+	* loop.h (struct loop_info): Delete fields num, loops_enclosed,
+	vtop, and cont.  Add used_count_register.
+	(uid_loop): Delete declaration.
+	(loop_number_exit_count): Likewise.
+	(loop_number_loop_starts, loop_number_loop_ends): Likewise.
+	(loop_number_loop_cont, loop_number_cont_dominator): Likewise.
+	(loop_outer_loop, loop_used_count_register): Likewise.
+	(loop_invalid, loop_number_exit_labels): Likewise.
+	(unroll_loop): Replace loop_start and loop_end arguments
+	with loop structure pointer.
+	(loop_precondition_p, loop_iterations): Likewise.
+	Include basic-block.h.
+	* unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
+	with loop structure pointer.
+	(loop_precondition_p, loop_iterations): Likewise.
+	* basic-block.h (struct loop): New entries vtop, cont,
+	cont_dominator, start, end, top, scan_start, exit_labels,
+	exit_count.
+	* Makefile.in (LOOP_H): Add basic-block.h to dependencies.
+
+2000-01-15  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
+
+	* defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
+
+2000-01-14  Nathan Sidwell  <sidwell@codesourcery.com>
+
+	* config.in: Rebuilt for 2000-01-13 change to acconfig.h.
+
+2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* pdp11-protos.h: New file.
+
+	* pdp11.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* pdp11.h: Move prototypes to pdp11-protos.h.  Fix compile time
+	warnings.
+
+	* pdp11.md: Likewise.
+
+	* 2bsd.h: Likewise.
+
+2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* mn10300-protos.h: New file.
+
+	* mn10300.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* mn10300.h: Move prototypes to mn10300-protos.h.  Fix compile time
+	warnings.
+
+	* mn10300.md: Likewise.
+
+2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* mn10200-protos.h: New file.
+
+	* mn10200.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* mn10200.h: Move prototypes to mn10200-protos.h.  Fix compile time
+	warnings.
+
+	* mn10200.md: Likewise.
+
+2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* h8300-protos.h: New file.
+
+	* h8300.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* h8300.h: Move prototypes to h8300-protos.h.  Fix compile time
+	warnings.
+
+	* h8300.md: Likewise.
+
+2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
+	(asm_emit_uninitialised): Likewise.
+
+2000-01-13  Gavin Romig-Koch  <gavin@cygnus.com>
+
+	* config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
+	* config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
+
+2000-01-14  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/mips/mips.c (override_options): Don't turn on extra
+	alignment for mips16.
+
+2000-01-14  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
+	eabi, and make sure queued POSTINCREMENT rtl is emitted at
+	the right point.
+
+2000-01-14  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* builtins.c (PAD_VARARGS_DOWN): Define.
+	(std_expand_builtin_va_arg): Use the above macro.
+	* config/mips/mips.h (PAD_VARARGS_DOWN): Define.
+	* tm.texi (Register Arguments): Document the above macro.
+
+2000-01-14  Nick Clifton  <nickc@cygnus.com>
+
+	* emit-rtl.c (emit_insn): If checking is enabled, make sure
+	that this function has not been used to emit a jump
+	instruction.
+
+	* jump.c (return_jump_1): Cope with being passed a null rtx.
+
+2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* eh-common.h: PROTO -> PARAMS.
+	* emit-rtl.c: Likewise.
+	* errors.c: Likewise.
+	* errors.h: Likewise.
+	* except.c: Likewise.
+	* except.h: Likewise.
+	* explow.c: Likewise.
+	* expmed.c: Likewise.
+	* expr.c: Likewise.
+	* expr.h: Likewise.
+	* final.c: Likewise.
+	* fix-header.c: Likewise.
+	* flow.c: Likewise.
+	* fold-const.c: Likewise.
+	* function.c: Likewise.
+	* function.h: Likewise.
+	* gcc.c: Likewise.
+	* gcov-io.h: Likewise.
+	* gcov.c: Likewise.
+	* gcse.c: Likewise.
+
+2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* sh-protos.h: New file.
+
+	* sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
+	Add static prototypes.  Fix compile time warnings.
+
+	* sh.h: Move prototypes to sh-protos.h.  Fix compile time warnings.
+	* sh.md: Likewise.
+	* elf.h: Likewise.
+
+2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* arc-protos.h: New file.
+
+	* arc.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* arc.h: Move prototypes to arc-protos.h.  Fix compile time
+	warnings.
+
+	* arc.md: Likewise.
+
+2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* dsp16xx-protos.h: New file.
+
+	* dsp16xx.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* dsp16xx.h: Move prototypes to dsp16xx-protos.h.  Fix compile time
+	warnings.
+
+	* dsp16xx.md: Likewise.
+
+2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* convex-protos.h: New file.
+
+	* convex.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* convex.h: Move prototypes to convex-protos.h.  Fix compile time
+	warnings.
+
+2000-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* elxsi-protos.h: New file.
+
+	* elxsi.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* elxsi.h: Move prototypes to elxsi-protos.h.  Fix compile time
+	warnings.
+
+	* elxsi.md: Likewise.
+
+2000-01-14  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
+	case for moving from HI/LO/HI_LO_REG.  This makes the behavior
+	match the comment for MIPS16.
+
+Fri Jan 14 00:28:06 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* flow.c (split_edge): Do not call set_block_for_insn if we
+	do not have a basic_block_for_insn structure.
+
+	* fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
+	and destination functions are 32bit aligned within the trampoline.
+	(TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
+	(TRAMPOLINE_ALIGNMENT): Define.
+
+	* cse.c (cse_insn): When changing (set (pc) (reg)) to
+	(set (pc) (label_ref)), verify the change creates a valid insn.
+
+	* fr30.c (call_operand): Tighten and rework to match rules for
+	call RTL expressions.
+	* fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
+	* fr30.md (call patterns): Improve constraints.
+
+Thu Jan 13 23:44:03 2000  Richard Henderson  <rth@cygnus.com>
+
+	* fr30.c (fr30_expand_epilogue): Revert last change.
+	Use emit_jump_insn for the return insn.
+
+Thu Jan 13 14:46:03 2000  Jason Eckhardt  <jle@cygnus.com>
+			  Stan Cox  <scox@cygnus.com>
+
+	* predict.c: New file. Preliminary infrastructure work for static
+	branch prediction and basic block reordering.
+	* basic-block.h: Add prototype for estimate_probability.
+	* Makefile.in: Add rules for predict.o.
+
+2000-01-13  Jason Merrill  <jason@yorick.cygnus.com>
+
+	* fixincludes (va_list): Use __not_va_list__ for the dummy.
+	* fixinc/*: Likewise.
+
+2000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* cccp.c: PROTO -> PARAMS.
+	* cexp.y: Likewise.
+	* collect2.c: Likewise.
+	* combine.c: Likewise.
+	* convert.h: Likewise.
+	* cse.c: Likewise.
+	* dbxout.c: Likewise.
+	* dbxout.h: Likewise.
+	* diagnostic.c: Likewise.
+	* doprint.c: Likewise.
+	* dwarf2out.c: Likewise.
+	* dwarf2out.h: Likewise.
+	* dwarfout.c: Likewise.
+	* dwarfout.h: Likewise.
+	* dyn-string.h: Likewise.
+
+2000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
+	macro conditionals guarding use.
+
+	* dwarf2out.c: Include "tm_p.h".
+
+	* function.c (locate_and_pad_parm): Mark parameter with
+	ATTRIBUTE_UNUSED.
+	(expand_function_end): Likewise for variable `context'.
+
+	* reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
+
+2000-01-13  Nick Clifton  <nickc@cygnus.com>
+
+	* config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
+	register to prevent compile time warnings.
+
+2000-01-13  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
+	to avoid -Wtraditional warning.
+
+2000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* 1750a-protos.h: New file.
+
+	* 1750a.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* 1750a.h: Move prototypes to 1750a-protos.h.  Fix compile time
+	warnings.
+
+	* 1750a.md: Likewise.
+
+2000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* a29k-protos.h: New file.
+
+	* a29k.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* a29k.h: Move prototypes to a29k-protos.h.  Fix compile time
+	warnings.
+
+2000-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* clipper-protos.h: New file.
+
+	* clipper.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* clipper.h: Move prototypes to clipper-protos.h.  Fix compile time
+	warnings.
+
+Thu Jan 13 16:03:06 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
+
+2000-01-13  Nathan Sidwell  <sidwell@codesourcery.com>
+
+	* configure.in (--enable-new-gxx-abi): New option.
+	* acconfig.h (ENABLE_NEW_GXX_ABI): New define.
+	* Makefile.in (GXX_ABI_FLAG): New variable.
+	* configure: Regenerate.
+
+2000-01-13  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
+	* tm.texi (FORCE_STRUCT_BLK): Document.
+	* config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
+
+Wed Jan 12 23:12:47 2000  Hans-Peter Nilsson  <hp@axis.com>
+
+	* config/ns32k/ns32k.md: Revert Jan 9 change.
+
+	* genrecog.c (maybe_both_true_2): Do not compare a predicate-test
+	to a mode-test, if the predicate is address_operand.
+
+Wed Jan 12 22:34:00 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* combine.c (if_then_else_cond): Be careful about what kinds
+	of RTL expressions are passed to operand_subword.
+
+	* flow.c (split_edge): If we have to insert a new jump, make
+	sure to associate it with a basic block.
+
+	* flow.c (commit_one_edge_insertion): A block with one successor
+	can end in a JUMP_INSN that is not a simplejump.
+
+2000-01-12  Robert Lipe  <robertl@sco.com>
+
+	* i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
+	(BUILD_VA_LIST_TYPE): Define.
+	(EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
+	with crtstuff.c.
+
+2000-01-12  Jason Merrill  <jason@casey.cygnus.com>
+
+	* cccp.c (do_pragma): Add cast to (char *).
+
+2000-01-12  Richard Henderson  <rth@cygnus.com>
+	    Fred Fish  <fnf@be.com>
+	    Jason Merrill  <jason@cygnus.com>
+
+	* configure.in (i?86-*-beos{pe,elf,}*): Recognize.
+	* i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
+	* i386/beos-elf.h, i386/beos-pe.h: New files.
+
+	* Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
+	* cross-make (SYSTEM_HEADER_DIR): Define using
+	CROSS_SYSTEM_HEADER_DIR.
+
+	* gcc.c (LIBRARY_PATH_ENV): Provide default.
+	(process_command): Use it.
+	(main): Likewise.  Kill trailing = from env vars.
+	(build_search_list): Put it back.
+	* collect2.c (main): Use LIBRARY_PATH_ENV.
+
+	* configure.in (GCC_NEED_DECLARATIONS): Add environ.
+	* toplev.c: Use NEED_DECLARATION_ENVIRON.
+
+	* tm.texi (Frame Layout): Document SMALL_STACK.
+	* c-common.c (c_common_nodes_and_builtins): Check it.
+
+	* system.h: Undef alloca after including glibc's <stdlib.h>,
+	if USE_C_ALLOCA is defined.
+
+	* gcc.c (set_input): New fn.
+	(main): After all input files are compiled, reset the input file
+	info to the first.
+
+	* aclocal.m4 (rindex, index): If already defined, don't attempt
+	to redefine.
+
+	* ginclude/varargs.h: (__va_list__): Define ifndef.
+	* ginclude/stdarg.h: Likewise.
+
+	* ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
+	instead of unsigned char.
+
+	* hash.h (true, false, boolean): Undef before enum.
+
+	* expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
+	proper type of "HOST_WIDE_INT *", rather than their natural type of
+	"unsigned HOST_WIDE_INT *".
+
+2000-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
+
+	* recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
+
+	* regclass.c (choose_hard_reg_mode): Likewise.
+
+	* reload.c (find_valid_class, strict_memory_address_p): Likewise.
+
+	* reorg.c (optimize_skip): Wrap prototype in macro conditionals.
+
+2000-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* c-common.c: PROTO -> PARAMS.
+	* c-common.h: Likewise.
+	* c-decl.c: Likewise.
+	* c-iterate.c: Likewise.
+	* c-lang.c: Likewise.
+	* c-lex.c: Likewise.
+	* c-lex.h: Likewise.
+	* c-parse.in: Likewise.
+	* c-pragma.c: Likewise.
+	* c-pragma.h: Likewise.
+	* c-tree.h: Likewise.
+	* c-typeck.c: Likewise.
+	* objc/objc-act.c: Likewise.
+	* objc/objc-act.h: Likewise.
+
+2000-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* m88k-protos.h: New file.
+
+	* m88k.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* m88k.h: Move prototypes to m88k-protos.h.  Fix compile time warnings.
+
+	* m88k.md: Likewise.
+
+	* tekXD88.h: Likewise.
+
+2000-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* m68k-protos.h: New file.
+
+	* m68k.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* m68k.h: Move prototypes to m68k-protos.h.  Fix compile time warnings.
+
+	* mot3300.h: Likewise.
+
+2000-01-12  Richard Earnshaw <rearnsha@arm.com>
+
+	* haifa-sched.c (split_edges): Pass edgeset_size as second arg to
+	extract_bitlst.
+	(extract_bitlist): Declare bitlen.
+
+2000-01-12  Zack Weinberg  <zack@wolery.cumb.org
+
+	* cccp.c: Accept and ignore -lang-fortran.
+
+	* c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
+	qualifiers don't match at any level of pointerness.
+
+2000-01-12  Robert Lipe  <robertl@sco.com>
+
+	* i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
+
+2000-01-12  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* reload1.c (reload_reg_unavailable): New static variable.
+	(reload_reg_free_p): Test it.
+	(reload_reg_free_for_value_p): Test it instead of
+	reload_reg_used.
+	(choose_reload_regs_init): Compute it.
+
+Wed Jan 12 03:24:41 2000  Toshiyasu Morita (toshi.morita@sega.com)
+
+	* reorg.c (fill_slots_from_thread): Check modified_in_p
+	before replacing.
+
+Wed Jan 12 03:20:31 2000  John Marshall <john_w_marshall@palm.com>
+
+	* gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
+	these nodes even if INTERNALS is not set.
+
+Wed Jan 12 09:39:22 2000  Nick Burrett  <nick.burrett@btinternet.com>
+
+	* gcse.c (delete_null_pointer_checks_1): Cope when
+	get_condition cannot determine the condition.
+
+2000-01-12  Gabriel Dos Reis  <gdr@codesourcery.com>
+
+	* toplev.h (set_message_length): Declare.
+
+	* diagnostic.c (obstack_chunk_alloc): Define macro.
+	(obstack_chunk_free): Likewise.
+	(struct output_buffer): New data structure.
+	(vmessage): Remove.
+	(output_maximum_width): New variable.
+	(doing_line_wrapping, set_message_length, init_output_buffer,
+	get_output_prefix, output_space_left, emit_output_prefix,
+	output_newline, output_append, output_puts, dump_output,
+	vbuild_message_string, build_message_string, build_location_prefix,
+	voutput_notice, output_printf, line_wrapper_printf,
+	vline_wrapper_message_with_location):  New functions. Implement
+	automatic line wrapping.
+	(v_message_with_decl): Make it handle automatic line wrapping.
+	(v_error_with_file_and_line): Likewise.
+	(v_warning_with_file_and_line): Likewise.
+	(announce_function): Likewise.
+	(default_print_error_function): Likewise.
+
+2000-01-11 16:24 -0800  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cpplib.h (struct cpp_options): Change lang_asm to char.
+	Add lang_fortran.
+	* cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
+	done in cpp_handle_option now.
+	(initialize_builtins): Take out special case code used only by
+	__STDC_VERSION__.
+	(cpp_handle_option): Turn off trigraphs and trigraph warnings
+	if -traditional.  Recognize -lang-fortran and set
+	lang_fortran, also turn off cplusplus_comments.
+	(print_help): Document -lang-fortran.
+	* cpplib.c (handle_directive): Ignore `# 123 "file"' if
+	lang_asm. Ignore all directives other than `# 123 "file"' if
+	CPP_PREPROCESSED.
+	(cpp_get_token): If -traditional, don't recognize directives
+	unless the # is in column 1.
+	(parse_string): If lang_fortran or lang_asm, silently
+	terminate strings ('' or "") at end of line.
+	Remove unnecessary braces.
+
+2000-01-11  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+	    Richard Henderson  <rth@cygnus.com>
+
+	* resource.c (mark_referenced_resources): Mark a set strict_low_part
+	as used.
+	* config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
+	strict_low_part when possible.
+
+2000-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* alias.c: PROTO -> PARAMS.
+	* basic-block.h: Likewise.
+	* bitmap.c: Likewise.
+	* bitmap.h: Likewise.
+	* builtins.c: Likewise.
+	* c-aux-info.c: Likewise.
+	* caller-save.c: Likewise.
+	* calls.c: Likewise.
+
+2000-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* Makefile.in (toplev.o): Depend on regs.h.
+
+	* output.h (tdesc_section): Prototype.
+
+	* regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
+
+	* sdbout.c: Include "tm_p.h".
+
+	* toplev.c: Include "regs.h".
+
+Tue Jan 11 11:37:58 2000  Mike Stump  <mrs@wrs.com>
+
+	* unroll.c (unroll_loop): Add EH support.
+
+2000-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* pa-protos.h: New file.
+
+	* pa.c: Include recog.h and tm_p.h.
+	(compute_zdepwi_operands, compute_movstrsi_length,
+	remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
+	find_addr_reg, import_milli): Add static prototypes.
+	(pa_cpu_string, pa_arch_string): Constify a char*.
+	(legitimize_pic_address): Pass argument `mode' to pic_label_operand.
+	(read_only_operand): Add argument `mode'.
+	(singlemove_string, output_move_double, output_fp_move_double,
+	output_block_move, output_and, output_ior, output_ascii,
+	remove_useless_addtr_insns, milli_names, output_mul_insn,
+	output_div_insn, output_mod_insn, output_arg_descriptor,
+	output_cbranch, output_bb, output_bvb, output_dbra, ,
+	output_millicode_call, output_call, hppa_encode_label,
+	output_parallel_movb, output_parallel_addb): Constify a char*.
+	(hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
+	(output_parallel_addb): Remove extra arg to `constrain_operands'
+
+	* pa.h:  Move all prototypes to pa-protos.h.
+	(pa_cpu_string, pa_arch_string): Constify a char*.
+	(LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
+
+	* pa.md: Call `function_label_operand' with mode argument.
+	Likewise for `read_only_operand'.
+	Fix nesting of parens in call to `symbolic_operand'.
+
+2000-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* i860-protos.h: New file.
+
+	* i860.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* i860.h: Move prototypes to i860-protos.h.  Fix compile time warnings.
+
+	* i860.md: Likewise.
+
+Tue Jan 11 18:59:35 MET 2000  Jan Hubicka <jh@suse.cz>
+
+	* i386.md (movstrsi expander): Rewrite.
+	(movstrsi_1 insn): Deleted.
+	(strmovhi, strmovqi expander): New expanders.
+	(movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
+	* i386.c (x86_single_stringop): New global variable.
+	* i386.h (x86_single_stringop): Declare.
+	(TARGET_SINGLE_STRINGOP): New macro.
+
+2000-01-11  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* config/mips/mips.c (mips_va_arg): For EABI, emit the queued
+	integer vararg POSTINCREMENT before the destination of the jump
+	for the hard fp case.
+	(function_arg_pass_by_reference): Pass a copy of CUM to
+	FUNCTION_ARG.
+
+	* config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
+	for CONSTANT_ADDRESS_P above while loop for subreg.
+
+2000-01-11  Clinton Popetz  <cpopetz@cygnus.com>
+
+	* flow.c (propagate_block): When a prologue/epilogue insn
+	is marked dead, unconditionally clear libcall_is_dead and
+	insn_is_dead, and only dump rtl if warnings aren't being
+	suppressed.
+
+Tue Jan 11 16:26:47 MET 2000  Jan Hubicka <jh@suse.cz>
+
+	* i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
+	* i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
+	(FIXED_REGISTERS): Set dirflag as fixed.
+	(CALL_USED_REGISTERS): Set dirflag as used.
+	(REG_ALLOC_ORDER): Set dirflag as last one.
+	(DIRFLAG_REG): New macro.
+	(MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
+	(HI_REGISTER_NAMES): Add dirflag.
+	(DEBUF_PRINT_REG): Handle dirflag.
+	* i386.md (type attribute): New cld and str types.
+	(length_opcode attribute): Set cld and str to 1.
+	(memory attribute): Set str to unknown - it is not clear from the
+	patterns.
+	(pent_np function unit): Prefixed string operations takes 12 cycles
+	minimally; cld takes 2 cycles.
+	(ppro_uops attribute): Str is "many" and cld is "few".
+	(ppro_p0 unit): Handle cld here.
+	(k6_alux unit): Handle cld and str types.
+	(k6_load unit): It is ocupied by str opcodes.
+	(k6_store unit): It is ocupied by str opcodes.
+	(athlon_decode): Str is vector decoded.
+	(athlon_ieu): Handle str and cld.
+	(cld pattern): New.
+	(movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
+	(movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
+	cmpstrsi_nz_1 insn): Do not output cld instruction
+
+Tue Jan 11 06:14:39 2000  David Starner <dstarner98@aasaa.ofe.org>
+
+	* gcc.texi (G++ and GCC): Add Java and Chill.
+	(Bug Critera): Don't list languages.
+
+	* gcc.texi (Incompatibilities): No longer claim most C compilers
+	are K&R.
+
+	* gcc.texi (G++ and GCC): Update other front-ends list.
+
+Tue Jan 11 05:49:01 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* i386.c (ix86_expand_setcc): Fix typo.
+	(ix86_expand_movcc): Similarly.
+
+	* Band-aid until haifa's bitset implementation is nuked.
+	* haifa-sched.c (extract_bitlst): New parameter for size of the
+	bitset in bits.  All callers changed.  Avoid looking at undefined
+	bits in the bitset.
+	(edgeset_bitsize): New variable.
+	(schedule_region): Initialize edgeset_bitsize.
+
+2000-01-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* Makefile.in (optabs.o): Depend on real.h
+	(resource.o): Depend on insn-attr.h
+
+	* builtins.c (result_vector): Wrap prototype in macro conditions
+	governing definition and use.
+
+	* c-common.c: Include tm_p.h.
+
+	* c-lex.c: Likewise.
+
+	* elfos.h: Constify a char*.
+
+	* final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
+	(get_attr_length, shorten_branches, profile_after_prologue): Mark
+	parameter with ATTRIBUTE_UNUSED.
+
+	* fold-const.c (exact_real_inverse): Wrap variable `i' in
+	CHECK_FLOAT_VALUE.
+
+	* haifa-sched.c (schedule_insns): Mark parameter with
+	ATTRIBUTE_UNUSED.
+
+	* optabs.c: Include real.h.
+
+	* real.h (ereal_atof): Add prototype arguments.
+
+	* resource.c: Include insn-attr.h.
+
+	* sdbout.c (sdbout_queue_anonymous_type,
+	sdbout_dequeue_anonymous_types): Wrap in macro
+	SDB_ALLOW_FORWARD_REFERENCES.
+	(sdbout_init, sdbout_start_new_source_file): Mark parameter with
+	ATTRIBUTE_UNUSED.
+
+	* stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
+
+	* stupid.c: Include tm_p.h.
+
+	* tree.c (real_value_from_int_cst): Mark parameter with
+	ATTRIBUTE_UNUSED.
+
+2000-01-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* i960-protos.h: New file.
+
+	* i960.c: Include tm_p.h.  Add static prototypes.  Fix compile
+	time warnings.
+
+	* i960.h: Move prototypes to i960-protos.h.  Fix compile time warnings.
+
+2000-01-10  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* combine.c (expand_field_assignment): Do not discard SUBREGs
+	while computing nonzero_bits.
+
+2000-01-09  Nick Clifton  <nickc@cygnus.com>
+
+	* config/arm/arm.c: Fix compile time warnings about signed vs
+	unsigned constants.
+	* config/arm/arm.h: Fix compile time warnings about signed vs
+	unsigned constants.
+
+2000-01-09  Philip Blundell  <philb@gnu.org>
+
+	* config/arm/arm.c (output_return_instruction): Use `ldr' rather
+	than `ldm' with only one register.
+	* config/arm/arm.md (push_multi): Use `str' rather than `stm' with
+	only one register.
+
+	* config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
+	clobbered.
+
+Sun Jan  9 17:50:23 2000  Hans-Peter Nilsson  <hp@axis.com>
+
+	* config/ns32k/ns32k.md (load or push effective address): Operand 1
+	must have SImode.
+
+2000-01-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
+	assignment used as truth value.
+
+	* function.c (assign_temp): Mark parameter `dont_promote' with
+	ATTRIBUTE_UNUSED.  Wrap variable `unsignedp' with macro
+	PROMOTE_FOR_CALL_ONLY.
+
+	* genrecog.c (write_subroutine): Mark variable `operands' with
+	ATTRIBUTE_UNUSED.
+
+	* optabs.c (prepare_cmp_insn): Mark parameter `align' with
+	ATTRIBUTE_UNUSED.
+
+	* sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
+	(sdbout_begin_block, sdbout_end_block): Likewise for `file'.
+
+	* toplev.c (note_deferral_of_defined_inline_function): Likewise
+	for `decl'.
+
+2000-01-09  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x.h: Tidy up comments.
+	* config/c4x.c: Likewise.
+
+Sun Jan  9 01:02:55 EST 2000  John Wehle  (john@feith.com)
+
+	* fold-const.c (lshift_double, rshift_double): Handle
+	shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
+
+2000-01-08  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
+
+	* toplev.c (rest_of_compilation): Initialize cse_not_expected as
+	in prepare_function_start().
+
+Sat Jan  8 12:12:46 2000  Nick Clifton  <nickc@cygnus.com>
+
+	* config/v850/v850.c (expand_epilogue): Interrupt functions no
+	longer allocate extra stack for function calls.
+
+2000-01-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.md (*subqf3_set): Fix typo.
+
+2000-01-08  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
+
+2000-01-07  David Edelsohn  <edelsohn@gnu.org>
+
+	* rs6000.c (processor_target_table): Add power3 as alias for 630.
+	* aix43.h: Revert Aug 2 change.
+	(HAS_INIT_SECTION): Define, not visible yet.
+	(LD_INIT_SWITCH): Define, not visible yet.
+	* t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
+
+	* glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
+
+	* collect2.c (main): Expand ld2 size further.
+	(export_object_lst): Cast assignment to avoid warning.
+	(main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
+	(scan_prog_file, COFF): Do not collect initialization or
+	finalization functions generated for entire shared object if
+	init/fini support present.
+
+2000-01-07  Nick Clifton  <nickc@cygnus.com>
+
+	* config/elfos.h: Tidy up formatting of marcos.  Make sure
+	that .section directives are always prefixed by a tab.
+
+	* config/svr4.h: Add #include "elfos.h" and remove duplicate
+	definitions.
+
+2000-01-07  Matt Austern  <austern@sgi.com>
+
+	* fold-const.c (real_hex_to_f): Remove duplicate declaration of
+	expon.
+
+Fri Jan  7 01:55:34 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
+	crtstuff.c.
+	(crtbegin.o, s-crtS): Likewise.
+
+2000-01-06  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.md (adddi_2+1): Limit offset such that it will be
+	loadable with a single ldah+lda pair.
+	(adddi_2+2): Explicitly fail split if we can't make it work.
+
+2000-01-06  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* protoize.c: Conditionally include unistd.h.
+	(IS_SAME_PATH_CHAR): New macro.
+	(IS_SAME_PATH): New macro.
+	(CPLUS_FILE_SUFFIX): New macro.
+	(cplus_suffix): New static variable.
+	(is_abspath): New static function.
+	(in_system_include_dir): Handle DOS style pathnames.
+	(file_could_be_converted): Likewise.
+	(file_normally_convertible): Likewise.
+	(directory_specified_p): Likewise.
+	(file_excluded_p): Likewise.
+	(abspath): Likewise.
+	(shortpath): Likewise.
+	(referenced_file_is_newer): Likewise.
+	(save_def_or_dec): Likewise.
+	(do_processing): Likewise.
+	(main): Likewise.
+	(edit_file): Likewise. Use rename instead of link.
+	(rename_c_file): Likewise. Don't rename syscalls file.
+	(munge_compile_params): Define null device for DOS based systems.
+	(process_aux_info_file): Use binary mode if appliable.
+	(edit_file): Likewise.
+	* invoke.texi (Running Protoize): Document C++ suffixes used.
+
+	* cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
+	IS_DIR_SEPARATOR macros.
+	* collect2.c: Likewise.
+	* cppinit.c: Likewise.
+	* dwarf2out.c: Likewise.
+	* gcc.c: Likewise.
+	* gcov.c: Likewise.
+	* prefix.c: Likewise.
+	* rtl.c: Likewise.
+	* toplev.c: Likewise.
+	* system.h: And move to here.
+
+	* prefix.c (update_path): Fix typo in variable name.
+
+2000-01-06  Richard Henderson  <rth@cygnus.com>
+
+	* flow.c (mark_set_1): Use loop_depth+1 as reference weight.
+	(find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
+	(count_reg_sets_1, count_reg_references): Likewise.
+	(flow_loops_level_compute): Start counting actual loop depth at 1.
+	(flow_loops_find): Likewise.
+	* local-alloc.c (update_equiv_regs): Likewise.
+	* regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
+
+2000-01-06  Gabriel Dos Reis  <dosreis@cmla.ens-cachan.fr>
+
+	* defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
+	FIRST_PSEUDO_REGISTER
+	* dwarf2out.c: Don't include frame.h
+	* dwarfout.c: Likewise
+	* Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
+	frame.h
+
+Thu Jan  6 13:44:59 CET 2000  Jan Hubicka  <jh@suse.cz>
+
+	* reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
+	dead registers.
+
+	* i386.c (movsf splitter): Fix typo in my last checkin.
+
+2000-01-05  Nick Clifton  <nickc@cygnus.com>
+
+	* varasm.c (IN_NAMED_SECTION): Allow targets to provide their
+	own definition of this macro.
+	(asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
+	flag_data_sections or UNIQUE_SECTION_P are true.
+
+	* tm.texi (UNIQUE_SECTION): Document that it can be called for
+	unitialised data decls.
+
+	* config/i386/winnt.c (i386_pe_unique_section): Cope with
+	being called for uninitialised data.
+
+	* config/i386/interix.c (i386_pe_unique_section): Cope with
+	being called for uninitialised data.
+
+	* config/mips/elf.h (UNIQUE_SECTION): Cope with being called
+	for uninitialised data.
+
+	* config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
+	for uninitialised data.
+
+	* config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
+	for uninitialised data.
+
+	* config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
+	(UNIQUE_SECTION_P): Always generate a unique section if
+	flag_data_sections is true.
+	(UNIQUE_SECTION): Also generate unique sections for
+	uninitialised data.
+	(ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
+	(ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
+	named_section().
+
+2000-01-06  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
+	SI, or DI.
+
+2000-01-06  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.md (udivqi3, divqi3): Delete.
+	(umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
+	(*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
+	(*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
+	(*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
+
+	* c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
+
+2000-01-05 11:25 -0800  Zack Weinberg  <zack@rabi.columbia.edu>
+
+	* c-decl.c (finish_enum): Simplify code to determine minimum and
+	maximum values of the enum, and calculate the type.  Remove check
+	for FUNCTION_DECLs in the values list, which cannot happen.  Replace
+	the DECL_INITIAL of each enumeration constant with a copy converted
+	to the enumeration type.  When updating variant types, don't bother
+	updating the type itself.
+
+	* c-typeck.c (build_binary_op): Simplify conditional expressions
+	when weeding out spurious signed-unsigned warnings.  Add new
+	spurious warning category: if the unsigned quantity is an enum
+	and its maximum value fits in signed_type(result_type).  Update
+	commentary.
+	(build_conditional_expr): Warn here if one alternative is signed
+	and the other is unsigned.
+
+2000-01-05  Nick Clifton  <nickc@cygnus.com>
+
+	* config/fr30/fr30.h: Remove extraneous comments.
+
+2000-01-05  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* reload1.c (choose_reload_regs): When disabling a reload, also
+	set reload_spill_index to -1.
+
+2000-01-04  Joel Sherrill (joel@OARcorp.com>
+
+	* configure.in (m68*-*-rtemscoff*): New target, formal name for
+	old m68*-*-rtems*.
+	(m68*-*-rtemself*): New target.
+	(mips64orion-*-rtems*): Remove duplicate definition of tm_file.
+	(sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
+	(sparc*-*-rtemself*): New target.
+	(sparc*-*-rtems*): Now elf not a.out.
+	* config/i386/rtems.h: Include config/rtems.h.
+	* config/i386/rtemself.h: Include config/rtems.h.
+	* config/i960/rtems.h: Include config/rtems.h.
+	* config/m68k/rtems.h: Include config/rtems.h.
+	* config/m68k/rtemself.h: Include config/rtems.h.
+	* config/mips/rtems64.h: Include config/rtems.h.
+	* config/pa/rtems.h: Include config/rtems.h.
+	* config/rs6000/rtems.h: Include config/rtems.h.
+	* config/sh/rtems.h: Include config/rtems.h.
+	* config/sh/rtemself.h: Include config/rtems.h.
+	* config/sparc/rtems.h: Include config/rtems.h.
+	* config/sparc/rtemself.h: Include config/rtems.h
+
+Tue Jan  4 23:59:26 2000  Denis Chertykov <denisc@overta.ru>
+
+	* final.c (shorten_branches): Correctly compute length of
+	asms without operands.
+
+Tue Jan  4 22:55:41 2000  Steve Chamberlain <sac@pobox.com>
+
+	* configure.in: Add pj target.
+	* configure: Regenerate.
+	* config/pj: New directory.
+	* config/pj/lib1funcs.S: New file.
+	* config/pj/linux.h: New file.
+	* config/pj/pj.c: New file.
+	* config/pj/pj.md: New file.
+	* config/pj/pjl.h: New file.
+	* config/pj/t-pj: New file.
+	* config/pj/xm-pj.h: New file
+
+Tue Jan  4 22:30:16 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* toplev.c (rest_of_compilation): Run shorten-branches before
+	reg-stack for now.
+
+2000-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
+	macros so that they're consistent with their names.
+	* config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
+	* config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
+
+2000-01-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
+	modified inadvertently.
+
+2000-01-04  Joel Sherrill <joel@OARcorp.com>
+
+	* configure.in (v850*-*-rtems*): New target.
+	* configure: Regenerate.
+	* config/v850/rtems.h: New file.
+
+2000-01-04  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
+	(__gthread_key_create): Likewise.
+	(__gthread_key_dtor):  Likewise.
+	(__gthread_once): Fix logic.
+	(__gthread_key_delete): Cast away constness.
+
+	* i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
+	* invoke.texi: Document.
+	* i386/mingw32.h (CPP_SPEC): Use.
+	(LIBGCC_SPEC): Likewise.
+	* i386/crtdll.h (LIBGCC_SPEC): Likewise.
+
+2000-01-04  David Edelsohn  <edelsohn@gnu.org>
+
+	* rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
+	(HANDLE_PRAGMA_PACK): Undefine.
+	(SLOW_UNALIGNED_ACCESS): Define.
+
+2000-01-04  David Edelsohn  <edelsohn@gnu.org>
+
+	* expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
+	to default definition.
+	(store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
+	(store_fixed_bit_field): Call macro with word_mode and alignment.
+	(extract_bit_field): Call macro with relevant mode and alignment.
+	* expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
+	to default definition.
+	(move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
+	and alignment.
+	(move_by_pieces_ninsns): Likewise.
+	(clear_by_pieces): Likewise.
+	(emit_push_insn): Likewise.
+	(store_field): Call macro with relevant mode and alignment.
+	(expand_expr): Likewise.
+	(expand_expr_unaligned): Likewise.
+
+	* rs6000.h (HANDLE_PRAGMA_PACK): Define.
+	(SLOW_UNALIGNED_ACCESS): Define.
+	(CASE_VECTOR_MODE): Always use 32-bit offsets.
+	(ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
+	(EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
+	(toc_section): Likewise and .toc pseudo-op.
+	(ASM_DECLARE_FUNCTION): Likewise.  Align text more strictly in
+	64-bit mode.
+	(TEXT_SECTION_ASM_OP): Likewise.
+	(ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
+	32-bit offsets.
+
+	* a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
+	* alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
+	* arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
+	* gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
+	* fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
+
+Tue Jan  4 11:44:13 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* regclass.c: Revert my Jan 4 change to loop cost computation.
+
+Tue Jan  4 19:22:39 MET 2000  Jan Hubicka  <hubicka@freesoft.cz>
+
+	* regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
+	compilation.
+
+2000-01-04  Stan Cox  <scox@cygnus.com>
+
+	* haifa-sched.c (build_control_flow): Change unreachable simple
+	loop test to check if current block has only one predecessor.
+	(find_rgns): Initialize degree.  Use dest as degree index, not src.
+
+2000-01-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* builtins.c (expand_builtin_strlen): Initialize variable `icode'.
+
+	* calls.c (expand_call): Likewise for
+	`old_stack_arg_under_construction'.
+
+	* cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
+
+	* function.c (pad_to_arg_alignment): Likewise for `save_var' and
+	`save_constant'.
+
+	* gcc.c (execute): Likewise for `ut' and `st'.
+
+	* genattrtab.c (attr_rtx): Likewise for `rt_val'.
+
+	* genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
+
+	* jump.c (jump_optimize_1): Likewise for `temp2'.
+
+	* local-alloc.c (block_alloc): Likewise for `r1'.
+
+	* loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
+
+	* reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
+	(subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
+
+	* regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
+	and `set2'.
+
+	* reload.c (find_reloads): Likewise for `goal_alternative_number'
+	and `goal_earlyclobber'.
+
+	* scan-decls.c (scan_decls): Likewise for `prev_id_end'.
+
+	* sdbout.c (sdbout_one_type): Likewise for `member_scl'.
+
+	* stupid.c (stupid_life_analysis): Likewise for `chain'.
+
+	* unroll.c (copy_loop_body): Likewise for `copy'.
+
+	* varasm.c (output_constructor): Likewise for `byte'.
+
+Tue Jan  4 15:34:34 MET 2000  Jan Hubicka  <hubicka@freesoft.cz>
+
+	* i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
+	all FP constants for constant->reg moves.
+	(ix86_split_to_parts): Try to convert memory address into immediate
+	when available in the constant pool.
+	* i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
+	moves.
+	(LEGITIMATE_CONSTANT_P): Return 1.
+	* i386.md (pushsf): New splitter to convert constant pool memory
+	reference to immediate.
+	(mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
+	reload.
+
+2000-01-04  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* i386.md (ashlsi3_cmpno): Don't accept variables shifts.
+	(ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
+	ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
+	(rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
+	rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
+
+2000-01-04  Martin von Löwis  <loewis@informatik.hu-berlin.de>
+
+	* ginclude/stdbool.h:  Support compilation as C++.
+
+Tue Jan  4 01:35:13 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* fold-const.c (make_range): Don't try to reverse an unbounded range.
+
+Tue Jan  4 00:18:46 2000  Jeffrey A Law  (law@cygnus.com)
+
+	* regclass.c (regclass): Properly compute loop_cost.  Adjust
+	comments.
+
+	* regclass.c: Fix minor whitespace problems.
+
+2000-01-03  Anthony Green  <green@cygnus.com>
+
+	* config/i386/i386.md (builtin_setjmp_receiver): New pattern.
+	Restore the pic register if required.
+
+2000-01-03  Ulrich Drepper  <drepper@cygnus.com>
+
+	* c-common.c (format_char_info): Update comment.
+	(check_format_info): Recognize 'z' modifier in the same way 'Z'
+	was recognized.  Emit warning for formats new in ISO C99 only
+	if flag_isoc9x is not set.
+
+Mon Jan  3 12:59:54 2000  Mark P. Mitchell  <mark@codesourcery.com>
+
+	* config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
+
+Mon Jan  3 15:33:37 MET 2000  Jan Hubicka  <hubicka@freesoft.cz>
+
+	* combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
+	SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
+	(make_compound_operation): Choose cheaper alternative between
+	ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
+
+	* regclass.c (op_costs): Remove global variable.
+	(record_reg_classes): New parameter "op_costs" and "reg_pref".
+	(record_operand_costs): Break out from ...
+	(scan_one_insn): ... here.
+	(dump_regclass): Make dumps nicer.
+	(regclass): Dump preferrences choosed and changes done during passes.
+
+2000-01-03  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
+
+2000-01-03  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/sparc/sparc.c (gen_df_reg): New function.
+	* config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
+	* config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
+	movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
+	movtf_cc_reg_sp64+1): Use it.
+
+2000-01-02  Mark Mitchell  <mark@codesourcery.com>
+
+	* integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
+	copied LABEL_DECLs.
+
+Mon Jan  3 02:54:40 2000  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* config/i386/i386.c (ix86_expand_unary_operator): Function
+	definition made void.
+	(ix86_expand_binary_operator): Update outdated preceding comment.
+	* config/i386/i386-protos.h (ix86_expand_unary_operator): Update
+	prototype.
+
+	* config/i386/i386.c (override_options): Fix option-name typo.
+
+2000-01-02  Mark Mitchell  <mark@codesourcery.com>
+
+	* system.h (CEIL): Define.
+	* builtins.c (CEIL): Remove.
+	* expmed.c (CEIL): Likewise.
+	* expr.c (CEIL): Likewise.
+	* stor-layout.c (CEIL): Likewise.
+
+2000-01-02  Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+	* expr.c (store_constructor_field): Fix typo introduced with last
+	gcc2 merge.
+
+2000-01-01  Mark Mitchell  <mark@codesourcery.com>
+
+	* tree.h (BINFO_N_BASETYPES): New macro.
+
+2000-01-01  Bernd Schmidt  <bernds@cygnus.co.uk>
+
+	* expmed.c (emit_store_flag): Prevent losing a pending stack
+	adjust the same way we prevent losing queued increments.
+
+See ChangeLog.2 for earlier changes.