path: root/gcc/ChangeLog

2000-08-02  Jakub Jelinek  <jakub@redhat.com>

	* loop.c (scan_loop): Ensure update_end label does not
	go away until reg_scan_update is run.

2000-08-02  Zack Weinberg  <zack@wolery.cumb.org>

	* c-common.h: Prototype min_precision and c_build_qualified_type here...
	* c-tree.h: ... not here.
	* errors.h: Prototype fancy_abort.

	* emit-rtl.c (gen_lowpart_common): Move variable 'c' into
	HOST_BITS_PER_WIDE_INT == 64 ifdef block.
	* regrename.c (regrename_optimize): Make control flow explicit.
	(replace_reg_in_block): Initialize reg_use to 0.

	* i386.c (legitimate_address_p): Rename error label to
	report_error to avoid namespace clash.

2000-08-02  Kazu Hirata  <kazu@hxi.com>

	* fold-const.c: Fix formatting.

Wed Aug  2 16:26:15 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* i386.c (legitimate_address_p): Accept other bases than
	pic_offset_table_rtx for GOTOFF constructs.

Wed Aug  2 15:59:34 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* i386.md (shift to lea splitter): Use const_int_operand.

2000-08-02  Zack Weinberg  <zack@wolery.cumb.org>

	* cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
	cppspec.c: Do not use 'legal' or 'illegal' in error messages
	and comments.

	* cppmain.c (cb_define, cb_undef): Don't generate any output
	if not done_initializing.
	* cpplex.c (maybe_paste_with_next): When the token after a ## 
	is an omitted rest argument, only delete the token before it
	if that token is a comma.  Do not warn about bogus token
	pastes for , ## rest_arg.

	* cpp.texi: Update.
	* cpp.1: Regenerate.

2000-08-02  Fred Fish  <fnf@be.com>

	* config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
	when user gives -p option.  Add init_term_dyn.o for BeOS 5.0
	and later.

	* config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
	Be directories to search path.
	
	Remove support for __declspec(dllimport) and __declspec(dllexport).
	This is leftover cruft from the earlier BeOS gcc port when BeOS
	used Microsoft's PE object file format.
	* configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
	* config/i386/t-beos (winnt.o): Remove Makefile frag.
	* config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
	(VALID_MACHINE_DECL_ATTRIBUTE): Remove.
	(VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
	(MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
	(REDO_SECTION_INFO_P): Remove.
	(ASM_EXPORT_DECL): Remove.
	(ASM_DECLARE_FUNCTION_NAME): Remove.
	(ASM_DECLARE_OBJECT_NAME): Remove.
	(ASM_OUTPUT_ALIGNED_COMMON): Remove.
	(ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
	(ASM_OUTPUT_ALIGNED_LOCAL): Remove.
	(STRIP_NAME_ENCODING): Remove.
	
	Remove support for obsolete version of BeOS that is no longer
	supported by Be.
	* configure.in (i*86-*-beospe*): Remove.
	* config/i386/beos-pe.h: Remove.
	
2000-08-01  Jeffrey Oldham  <oldham@codesourcery.com>
            Mark Mitchell <mark@codesourcery.com>
	
	* Makefile.in (OBJS): Added dce.o.
	(ssa.o): Updated target to include ssa.h.
	(flow.o): Likewise.
	(toplev.o): Likewise.
	(dce.o): Created target.
	* basic-block.h: Added comments.
	(INVALID_BLOCK): Added definition.
	(connect_infinite_loops_to_exit): Added declaration.
	Moved SSA declarations to ssa.h.	
	* flow.c: Added inclusion of ssa.h.
	(struct depth_first_search_dsS, depth_first_search_ds):
	Added definitions.
	(compute_immediate_postdominators): Added definition.
	(connect_infinite_loops_to_exit): Likewise.
	(flow_dfs_compute_reverse_init): Likewise.
	(flow_dfs_compute_reverse_add_bb): Likewise.
	(flow_dfs_compute_reverse_execute): Likewise.
	(flow_dfs_compute_reverse_finish): Likewise.
	* rtl.h (rtx/in_struct): Added use to determine insn necessity.
	(LABEL_P): Added definition.
	(JUMP_P): Likewise.
	(NOTE_P): Likewise.
	(BARRIER_P): Likewise.
	(JUMP_TABLE_DATA_P): Likewise.
	(INSN_DEAD_CODE_P): Likewise.
	* ssa.c: Replaced inclusions with ssa.h inclusion.
	(CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
	(rename_registers): Removed unnecessary variables.
	* ssa.h: Created by moving declarations from ssa.c and
	basic-block.h.
	* timevar.def: Defined TV_DEAD_CODE_ELIM.
	* toplev.c: Added ssa.h inclusion.
	(dump_file_index): Added DFI_dce.
	(dump_file): Added "dce" entry.
	Defined flag_ssa.
	(f_options): Added dce entry.
	* invoke.texi: Document -fdce.  Emphasize experimental status of
	-fssa. 
	
2000-08-01  Zack Weinberg  <zack@wolery.cumb.org>

	* cpperror.c (v_message): Split into _cpp_begin_message and
	v_message macro.  All callers updated.
	(_cpp_begin_message): Do inhibit_errors/inhibit_warnings
	checks here.

	* cppfiles.c (cpp_syshdr_flags): New function.
	(read_include_file): Don't call cpp_output_tokens.  Call
	enter_file hook.
	* cppinit.c (dump_macros_helper): Moved to cppmain.c.
	(cpp_reader_init): Don't initialize token_buffer.  Call
	_cpp_init_internal_pragmas.
	(cpp_cleanup): Don't clear token_buffer.
	(cpp_start_read): Don't worry about output from -D processing.
	Don't call cpp_output_tokens.
	(cpp_finish): Don't dump macros here.  Don't call
	cpp_output_tokens.
	* cppmacro.c (_cpp_dump_definition): Rename
	cpp_dump_definition.  Write directly to a FILE *.
	(dump_funlike_macro): Delete.
	(dump_macro_args): New.

	* cpplex.c (TOKEN_LEN): Convert to inline function.
	(_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
	cpp_scan_line, _cpp_dump_list): Delete.
	(cpp_printf, cpp_output_list): New.
	(output_line_command): Don't worry about entering or leaving files.
	(cpp_scan_buffer): Just output each token as we hit it.
	(process_directive): Don't call cpp_output_tokens.
	(_cpp_glue_header_name): Don't use token_buffer.
	(output_token, dump_param_spelling): Write directly to a FILE *.

	* cpplib.c (pass_thru_directive, dump_macro_name,
	pragma_dispatch, do_pragma_gcc): Delete.
	(do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
	do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
	functions.
	(do_error, do_warning, pragma_dependency): Call
	_cpp_begin_message, then cpp_output_list.
	(cpp_register_pragma, cpp_register_pragma_space,
	_cpp_init_internal_pragmas): New.
	(do_pragma): Walk the pragmas table here.
	(do_pragma_once, do_pragma_poison, do_pragma_system_header,
	do_pragma_dependency): Return void.
	(do_pragma_implementation): Moved to cppmain.c.

	* cpplib.h: Update prototypes.
	 (struct cpp_reader): Remove printer, token_buffer,
	token_buffer_size, and limit.  Add struct cb, and pragmas.
	(struct cpp_printer): Remove last_id and written.
	(CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
	CPP_ADJUST_WRITTEN): Delete.
	* cpphash.h: Update prototypes.
	(ufputs): New wrapper.

	* cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
	cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
	(main): Set up callbacks.  Register #pragma implementation.
	Dump macros from here.

2000-08-01  Geoff Keating  <geoffk@cygnus.com>

	* rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
	* rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
	* flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
	insns if they have a REG_MAYBE_DEAD note attached.
	* config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
	(rs6000_emit_load_toc_table): TOC loads may go dead.

2000-08-01  Jim Wilson  <wilson@cygnus.com>

	* config/ia64/ia64.c (ia64_function_arg): Fix last change.  Verify
	type exists before using it.  Use number of words as alignment
	otherwise.
	(ia64_function_arg_partial_nregs, ia64_function_arg_advance,
	ia64_va_arg): Propagate ia64_function_args changes here.

2000-08-01  Richard Henderson  <rth@cygnus.com>

	* config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
	* config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.

2000-08-01  Bernd Schmidt  <bernds@cygnus.co.uk>

	From Joern Rennecke:
	* sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
	* sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
	unless TARGET_SH3E is set.
	* t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.

	* sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
	(ashlsi3_std): New pattern.
	(ashlsi3 expander): Use it for TARGET_SH3.
	* sh.c (gen_ashift): Use it instead of ashlsi3_k.

Tue Aug  1 12:34:21 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* loop.c (canonicalize_condition):  Use destination, not source to
	determine SET's mode.

2000-07-31  Mark Mitchell  <mark@codesourcery.com>

	* flow.c (clear_log_links): Fix typo.

Mon Jul 31 22:19:24 2000  Jeffrey A Law  (law@cygnus.com)

	* loop.c (check_dbra_loop): Make change from July 17, 2000 work
	on targets which need more than one insn for a compare/cbranch
	operation.

2000-07-31  Jim Wilson  <wilson@cygnus.com>

	* config/ia64/ia64.c (ia64_function_arg): Use alignment not size
	when computing offset.

Mon Jul 31 20:35:50 2000  Denis Chertykov  <denisc@overta.ru>

	* genpeep.c (main): Handle DEFINE_PEEPHOLE2.

2000-07-31  Geoff Keating  <geoffk@cygnus.com>

	* flow.c (clear_log_links): Nuke global_live_at_start and
	global_live_at_end data, since if the log_links stuff is invalid
	so is global_live_at_*.

2000-07-31  Richard Henderson  <rth@cygnus.com>

	* tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.

2000-07-31  Jakub Jelinek  <jakub@redhat.com>

	* cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
	(_cpp_get_token): Don't macro expand a just pasted token if it
	was pasted at no_expand_level.

2000-07-31  Zack Weinberg  <zack@wolery.cumb.org>

	* cppmacro.c (find_param, count_params, save_expansion):
	Permit 'defined' as a macro parameter name.

2000-07-31  Zack Weinberg  <zack@wolery.cumb.org>

	* Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
	xcpp to cpp throughout.
	(native): Remove unnecessary dependency on cpp.

	* gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
	tradcpp to tradcpp0.
	(.i spec): Add missing output-file spec to cc1 command line.
	* objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.

2000-07-31  Zack Weinberg  <zack@wolery.cumb.org>

	* c-decl.c (mesg_implicit_function_declaration): Init to -1.
	(implicit_decl_warning): New function.
	(implicitly_declare): Use it.
	* c-typeck.c (build_external_ref): Use implicit_decl_warning
	to complain about implicit decls of builtins.

	* c-lang.c (lang_init): Set mesg_implicit_function_declaration
	based on pedantic && flag_isoc99, if not already set.
	* c-tree.h: Declare mesg_implicit_function_declaration.
	Prototype implicit_decl_warning.

2000-07-30  Jeffrey D. Oldham  <oldham@codesourcery.com>

	* Makefile.in (ssa.o): Updated header files in dependences.
	* basic-block.h: Added compute_immediate_postdominators declaration.
	* config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
	definition.
	* flow.c (compute_immediate_dominators): Updated comment.
	(compute_immediate_postdominators): Added definition.
	* rtl.h (HARD_REGISTER_P): Added definition.
	* ssa.c: Include additional header files.
	(assert): Added definition.
	(ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
	include select hard registers.
	(ssa_rename_to_insert): Likewise.
	(ssa_rename_from_initialize): Likewise.
	(ssa_rename_from_lookup): Likewise.
	(original_register): Likewise.
	(ssa_rename_from_insert): Added to reimplement ssa_rename_from to
	include select hard reigsters.
	(ssa_rename_from_traverse): Likewise.
	(ssa_rename_from_free): Likewise.
	(ssa_rename_from_print): Likewise.
	(ssa_rename_from_print_1): Likewise.
	(ssa_rename_from_hash_function): Likewise.
	(ssa_rename_from_equal): Likewise.
	(ssa_rename_from_delete): Likewise.
	(simplify_to_immediate_dominators): Removed in favor of
	flow.c:compute_immediate_dominators.
	(find_evaluations_1): Modified to work with hard registers.
	(insert_phi_node): Likewise.
	(insert_phi_nodes): Likewise.
	(struct rename_set_data): Updated prev_reg comment.
	(create_delayed_rename): Modified to work with hard registers.
	(RENAME_NO_RTX): Updated comment.
	(apply_delayed_renames): Modified to work with hard registers.
	(rename_insn_1): Likewise and added handling of CLOBBER rtls.
	(rename_block): Updated to use revised ssa_rename_to interface.
	(rename_registers): Updated to use revised ssa_rename_to and
	ssa_rename_from interface.
	(convert_to_ssa): Revised to use compute_immediate_dominators and
	deal with hard registers.
	(make_regs_equivalent_over_bad_edges): Modified to work with hard
	registers.  Added check for illegal unification of hard register.
	(make_equivalent_phi_alternatives_equivalent): Modified to work
	with hard registers.
	(compute_conservative_reg_partition): Likewise.
	(coalesce_if_unconflicting): Modified to work with hard registers
	and check for conflicting hard registers.
	(mark_phi_and_copy_regs): Revised loop to work only on pseudo
	registers.
	(rename_equivalent_regs_in_insn): Modified to work with hard
	registers.
	(record_canonical_element_1): Added definition.
	(check_hard_regs_in_partition): Added definition.
	(convert_from_ssa): Added data structure deallocation and check
	for illegal hard register unification.
	(conflict_hard_regs_p): Added definition.
	* toplev.c (rest_of_compilation): Added comment.

2000-07-31  Anthony Green  <green@redhat.com>

	* config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.

2000-07-31  Jason McMullan  <jmcmullan@linuxcare.com>

	* builtins.c (expand_builtin_apply): Don't defer pop during
	argument setup.

2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

	* calls.c (combine_pending_stack_adjustment_and_call): Only use
	preferred_unit_stack_boundary when it is > 1.

2000-07-31  Joseph S. Myers  <jsm28@cam.ac.uk>

	* c-common.c (init_function_format_info): Add C99 format functions
	in C99 mode.

	* c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
	void' or 'register void' as being the special case of 'void' alone
	in a parameter list.

	* c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
	discarding qualifiers into a plain warning.

2000-07-31  Kazu Hirata  <kazu@hxi.com>

	* combine.c: Fix formatting.

	* h8300.md: Fix formatting.

	* local-alloc.c: Fix formatting.

	* h8300.c (get_shift_alg): Remove the variable alg.
	(emit_a_shift): Rearrange code to improve readability.

	* h8300.md (movsi_h8300hs): Rearrange code to improve readability.

	* h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
	HImode on all architectures and a combination of HImode and SImode
	on H8/300H and H8/S.

	* h8300.c (split_adds_subs): Rearrange code for conciseness.

Mon Jul 31 12:27:55 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
	in my last checkin.

Mon Jul 31 10:41:01 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* recog.c (extract_insn): Set operand_mode according to
	operand if match_operand is VOIDmode.

Mon Jul 31 10:36:38 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.

2000-07-31  Geoff Keating  <geoffk@cygnus.com>

	* c-parse.in (extdefs): Call ggc_collect between external
	definitions.

2000-07-30  Michael Hayes  <mhayes@cygnus.com>
	    Richard Henderson  <rth@cygnus.com>

	* Makefile.in (OBJS): Add doloop.o.
	* doloop.c: New file.

	* final.c (insn_current_reference_address): Return 0 before final.
	* flags.h (flag_branch_on_count_reg): Fix typos in commentary.
	* jump.c (any_uncondjump_p): Likewise.
	* loop.c (indirect_jump_in_function): Make static.
	(strength_reduce): Call doloop_optimize.
	(insert_bct, instrument_loop_bct): Remove.
	* loop.h (doloop_optimize): Prototype.
	* recog.c (split_all_insns): Split all INSN_P.
	* toplev.c (flag_branch_on_count_reg): Default on.

	* config/c4x/c4x.c (c4x_optimization_options): Don't set
	flag_branch_on_count_reg.
	* config/i386/i386.c (override_options): Likewise.
	* config/rs6000/rs6000.c (optimization_options): Likewise.

	* config/i386/i386.md (decrement_and_branch_on_count): Remove.
	(doloop_end): New.
	(dbra_ge): Remove, as well as all it's splitters.

	* config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
	(doloop_end): New.

	* config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
	(ia64_register_move_cost): Declare.
	* config/ia64/ia64.c (ar_lc_reg_operand): New.
	(struct ia64_frame_info): Add ar_size.
	(ia64_compute_frame_size): Set it.
	(save_restore_insns): Save and restore ar.lc.
	(ia64_register_move_cost): New, moved from header file.  Handle
	application registers.
	(REG_AR_PFS, REG_AR_EC): Remove.  Replace with AR_*_REGNUM numbers.
	(emit_insn_group_barriers): Special case doloop_end_internal.
	(ia64_epilogue_uses): Mark ar.lc live at end.
	* config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
	(AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
	(FIRST_PSEUDO_REGISTER): Make room.
	(AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
	(FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
	(REG_ALLOC_ORDER): Update.
	(HARD_REGNO_MODE_OK): Update.
	(REGISTER_NAMES): Update.
	(enum reg_class): Add AR_M_REGS and AR_I_REGS.
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
	(REGNO_REG_CLASS): Update.
	(LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
	(REGISTER_MOVE_COST): Move out of line.
	(PREDICATE_CODES): Update.
	* config/ia64/ia64.md (movdi patterns): Handle ar register classes.
	(addsi3_plus1_alt, adddi3_plus1_alt): New.
	(shladd_elim splitter): Allow constants in the predicate.
	(doloop_end, doloop_end_internal): New.

2000-07-30  Richard Henderson  <rth@cygnus.com>

	* genattrtab.c (struct insn_def): Add lineno member.
	(struct insn_ent): Likewise.
	(struct attr_desc): Likewise.
	(struct delay_desc): Likewise.
	(struct function_unit_op): Likewise.
	(struct function_unit): Likewise.
	(check_attr_value): Use message_with_line.
	(check_defs): Likewise.
	(expand_units): Likewise.
	(check_attr_test): Take a lineno argument.
	(gen_attr): Likewise.
	(gen_insn): Likewise.
	(gen_delay): Likewise.
	(gen_unit): Likewise.
	(main): Give it to them.
	(convert_set_attr_alternative): Take an insn_def argument
	instead of num_alt and insn_index.
	(convert_set_attr): Likewise.
	(write_test_expr): Protect INSN_ADDRESSES load
	with INSN_ADDRESSES_SET_P.

2000-07-30  Richard Henderson  <rth@cygnus.com>

	* flow.c (init_propagate_block_info): Use pc_set.

Sun Jul 30 20:58:34 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* i386.md (*lea_general_[123]) New insns and splits.
	(addsi3 to lea splitter): Handle other modes too.
	(shlsi3 to lea splitter): Likewise.
	(addhi_1_lea, shlhi_1_lea): New patterns.
	(addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.

Sun Jul 30 20:51:25 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* recog.c (general_operand, nonimmediate_operand): Accept
	any mode for VOIDmode CONSTANT_P operands.

Sun Jul 30 20:42:21 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
	instead of replace_rtx.
	* recog.c (validate_replace_rtx_subexp): New function.
	* recog.h (validate_replace_rtx_subexp): Declare.

Sun Jul 30 20:38:26 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* combine.c (simplify_set, make_extraction, make_compound_operation
	make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
	as force_to_mode argument.

Sun Jul 30 20:30:41 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* combine.c (if_then_else_cond): Be sure that mode fits in
	HOST_WIDE_INT.

Sun Jul 30 20:27:36 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* combine.c (record_promoted_value):  Allow bitsize of mode
	to be equivalent to HOST_BITS_PER_WISE_INT.

Sun Jul 30 20:25:21 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* function.c (assign_stack_local_1, assign_stack_temp_for_type): 
	Do not call gen_mode_alignment when mode is BLKmode.

Sun Jul 30 20:21:54 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* loop.c (express_from_1): Fix call of simplify_gen_binary.

Sun Jul 30 20:08:37 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* simplify-rtx.c (simplify_relational_operation): Verify that mode ==
	VOIDmode implies both operands to be VOIDmode.
	(simplify_ternary_operation): Compute properly the mode of comparison.
	* combine.c (combine_simplify_rtx): Likewise.

2000-07-25  Michael Hayes  <mph@paradise.net.nz>

	* basic-block.h (struct loops): New field rc_order.
	* flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
	(flow_loops_free): Free rc_order.
	(flow_depth_first_order_compute): New parameter rc_order.
	(flow_loops_find): Allocate rc_order and swap usage with
 	dfs_order.

2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
	   Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
	(push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
	(nodb_call, return_from_epilogue): Likewise.
	(return_from_interrupt_epilogue, prologue, epilogue): Likewise.
	* config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
	* config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
	(c4x_expand_prologue, c4x_expand_epilogue): Likewise.
	(c4x_valid_type_attribute_p): Likewise.
	* config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
	(FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
	
2000-07-30  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
	and loadhi_big_constant if applicable.
	* config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
	and add new splitter.s

2000-07-30  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.c (c4x_rptb_insert): Make more robust.

2000-07-30  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.

2000-07-30  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
	
	* config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.

2000-07-30  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/libgcc.S (divqf3): Improve accuracy.

2000-07-27  Mark Mitchell  <mark@codesourcery.com>

	Put phi nodes after NOTE_INSN_BASIC_BLOCK.
	* rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
	* bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
	(get_prev_bb_note): Likewise.
	(remove_scope_notes): Likewise.
	* flow.c (commit_one_edge_insertion): Likewise.
	(merge_blocks_nomove): Likewise.
	(verify_flow_info): Likewise.
	* gcse.c (insert_insn_end_bb): Likewise.
	* reg-stack.c (emit_swap_insn): Likewise.
	* ssa.c (first_insn_after_basic_block_note): New function.
	(insert_phi_node): Use it.
	(rename_block): Likewise.
	(eliminate_phi): Likewise.
	(make_regs_equivalent_over_bad_edges): Likewise.
	(make_equivalent_phi_alternatives_equivalent): Likewise.
	(for_each_successor_phi): Likewise.
	(convert_from_ssa): Modify phi-node deletion algorithm.
	
2000-07-29  Andreas Jaeger  <aj@suse.de>

	* configure.in (mips*-*-linux*): Use mips*el to check for little
	endian MIPS, add tmake_file.

	* config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
	(SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
	Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.

2000-07-28  Richard Henderson  <rth@cygnus.com>

	* config/ia64/ia64.c (ia64_print_operand): Fix typos.
	Sign extend mode size before negating.

2000-07-28  Richard Henderson  <rth@cygnus.com>

	* emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.

2000-07-28  Bernd Schmidt  <bernds@cygnus.co.uk>

	* cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
	(cse_insn): Likewise.
	(addr_affects_sp_p): Likewise.
	* expr.c (move_by_pieces): Likewise.
	(clear_by_pieces): Likewise.
	* gcse.c (oprs_unchanged_p): Likewise.
	* haifa-sched.c (sched_analyze_2): Likewise.
	* recog.c (offsettable_address_p): Likewise.
	* regclass.c (record_address_regs): Likewise.
	* reload.c (find_reusable_reload): Likewise.
	(push_reload): Likewise.
	(operands_match_p): Likewise.
	(decompose): Likewise.
	(find_reloads_address_1): Likewise.
	(find_inc_amount): Likewise.
	* reload1.c (elimination_effects): Likewise.
	* resource.c (mark_set_resources): Likewise.
	* flow.c (attempt_auto_inc): New function; mostly broken out
	of find_auto_inc.
	(find_auto_inc): Split into two functions and enhanced to
	generate POST_MODIFY.
	* rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
	* rtl.h (count_all_occurrences):  Declare.
	(HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
	defined.
	* rtlanal.c (count_all_occurrences): New function.
	* tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
	HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.

	* config/ia64/ia64-protos.h (destination_operand): Declare.
	* config/ia64/ia64.c (destination_operand): New function.
	(ia64_print_operand): Handle POST_MODIFY.
	(rtx_needs_barrier): Likewise.
	* config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
	(HAVE_POST_MODIFY_REG): Define to 1.
	(MAX_REGS_PER_ADDRESS): Change to 2.
	(GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
	(LEGITIMATE_ADDRESS_REG): New helper macro.
	(LEGITIMATE_ADDRESS_DISP): Likewise.
	(PREDICATE_CODES): Add entry for destination_operand.
	* config/ia64/ia64.md (all mov patterns): Use destination_operand
	predicate for operand 0.

2000-07-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* dwarf2out.c: Indent #error directive.

	* gbl-ctors.h: Fix typo in comment.
	(__do_global_ctors): Prototype.

	* gcse.c (record_one_set, pre_delete): Remove unused variables.
	
	* rs6000.c (rs6000_maybe_dead): Delete unused prototype.
	(print_operand): Initialize variable `t'.

2000-07-27  Aldy Hernandez  <aldyh@redhat.com>

	* config/arm/arm.md ("call_value"): removed constraints.
	Constraints are ignored in expanders.
	(*call_value_reg): split =rf into various constraints.
	(*call_value_mem): same
	(*call_value_symbol): same
	(*sibcall_value_insn): same

2000-07-28  Philipp Thomas  <pthomas@suse.de>

	* install.texi (--enable-nls): Change the description of the NLS
	related configure options to match the current state.
	(--with-included-gettext): Likewise.
	(--enable-maintainer-mode): New description added.
	* extend.texi (-fstrict-prototype): Add missing '.'.
	
2000-07-27  Jim Wilson  <wilson@cygnus.com>

	* dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
	DECL_INITIAL (decl) == NULL_TREE.

2000-07-27  Alexandre Oliva  <aoliva@redhat.com>

	* Makefile.in (INSN_ATTR_H): New macro.  Replace all dependencies
	on insn-attr.h with it.
	* genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
	* insn-addr.h: New header.
	(insn_addresses_): Renamed from insn_addresses.
	(INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
	INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
	INSN_ADDRESSES_NEW): New macros.
	* genattrtab.c (write_test_expr): Use new macros.
	* final.c (insn_addresses, init_insn_lengths): Likewise.
	(align_fuzz, shorten_branches): Likewise.
	(final): Likewise.  Do not reject new insns if their addresses
	have been added to INSN_ADDRESSES.
	* config/arm/arm.c, config/avr/avr.c: Use new macros.
	* config/h8300/h8300.c, config/i370/i370.c: Likewise.
	* config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
	* config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
	* config/sh/sh.c: Likewise.
	(output_branchy_insn): Use INSN_ADDRESSES_NEW.

	* Makefile.in (bootstrap): Move -BstageN/ back to the beginning.

2000-07-27  Andrew Cagney  <cagney@b1.cygnus.com>

	* gcc.c (struct prefix_list): Add member priority.
	(enum path_prefix_priority): Declare.
	(add_prefix): Replace ``first'' with ``priority''.  Append new
	entry but keep list in priority order.
	(process_command): Update.  Pass PREFIX_PRIORITY_B_OPT or
	PREFIX_PRIORITY_LAST to add_prefix.
	(process_command): Move include kludge - foo/stageN - to before
	foo/include.

2000-07-27  Jason Merrill  <jason@redhat.com>

	* dwarf2out.c (gen_typedef_die): Abort if we get identical
	TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.

2000-07-27  RodneyBrown  <RodneyBrown@pmsc.com>

	* expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
	* tree.h (get_alias_set, lang_get_alias_set): Prototype.

2000-07-27  Joseph S. Myers  <jsm28@cam.ac.uk>

	* c-decl.c (finish_function): Don't treat 'main' specially unless
	flag_hosted.  In C99 mode, return 0 from 'main' unless
	DEFAULT_MAIN_RETURN is otherwise defined.

	* c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
	parameters defaulting to int in an old-style function definition.

2000-07-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* c-parse.in (string): For -Wtraditional, warn about string
	concatenation only once per line.

Thu Jul 27 09:25:17 2000  Akiko Matsushita  <matusita@sra.co.jp>

	* pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
	for HI-UX/WE2 systems.
	
2000-07-24  Bruce Korb  <bkorb@gnu.org>

	* fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
	defining the __xxx_TYPE__ macros.
	* fixincl/fixincl.tpl(gnu_type_map): now obsolete
	* fixincl/fixlib.h: don't need to include "tm.h" anymore
	* fixincl/inclhack.def(type_map): now obsolete

Thu Jul 27 11:54:17 2000  Andrew Cagney  <cagney@b1.cygnus.com>

	* cpp.texi: Append a trailing full-stop to xrefs where needed.

2000-07-26  Dave Pitts  <dpitts@cozx.com>	

	* i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash 
	routine constants.
	(mvs_hash_alias): New function.
	(mvs_add_alias): Change argument spacing.
	(mvs_need_alias): Change aliasing criteria. Added documentation.
	(mvs_get_alias): Change to use hashed name. The hashed name prevents
	CSECT name collisions.
	(mvs_check_alias): Likewise.
	(handle_pragma): Change documentation.
	* i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
	mode from SImode to DImode.
	(iorhi3): Changed LTORG size for insn.

Wed Jul 26 19:44:05 2000   Hans-Peter Nilsson  <hp@axis.com>

	* reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
	mem if the address is a mode_dependent_address_p.

2000-07-26  Kazu Hirata  <kazu@hxi.com>

	* h8300.c (print_operand): Print ":8" when the 'R' operand is
	suitable for 8-bit absolute.
	* h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
	(OK_FOR_U): Add a case for the 8-bit constant address on the
	H8/300H.

Wed Jul 26 19:26:21 2000  Hans-Peter Nilsson  <hp@axis.com>

	* varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
	&& ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
	! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
	lack of implemented alignment.

2000-07-26  Geoffrey Keating  <geoffk@cygnus.com>

	* emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
	cross-compiling between 64-bit and 32-bit machines.

2000-07-27  Richard Henderson  <rth@cygnus.com>

	* config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
	(movhicc_astep, movhi_internal_astep): New.
	(movsicc_astep, movsi_internal_astep): New.
	(movdicc_astep, movdi_internal_astep): New.
	(movsfcc_astep, movsf_internal_astep): New.
	(movdfcc_astep, movdf_internal_astep): New.
	(movxfcc_astep, movxf_internal_astep): New.
	(cmovdi_internal_astep, cmovsi_internal_astep): New.
	Unify the cmov[ds]i splitters.

2000-07-27  Rodney Brown  <RodneyBrown@pmsc.com>

	* real.c (asctoeg): Rename `error' label to unexpected_char_error

2000-07-26  Nick Clifton  <nickc@cygnus.com>

	* config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
	__arm__.  Allow it to be defined by CPP_ISA_SPEC in arm.h

	* dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
	well as PARALLEL blocks in FRAME_RELATED_EXPR notes.

2000-07-26  Alexandre Oliva  <aoliva@redhat.com>

	* c-decl.c (finish_enum): Convert enumerations that fit in an
	`int' to `int'.
	(build_enumerator): In pedantic mode, cast to `int' those that
	don't.

2000-07-25  Rodney Brown  <RodneyBrown@pmsc.com>

	* config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.

Tue Jul 25 23:08:33 2000  J"orn Rennecke <amylaar@cygnus.co.uk>

	* sh.md (cmpgtdi_t): Must be split.
	(cmpgtdi_t+1): New splitter.

2000-07-25  Zack Weinberg  <zack@wolery.cumb.org>

	* cpplib.c (_cpp_check_directive): Issue -Wtraditional
	warnings for indented directives even if we are skipping.

2000-07-25  Nathan Sidwell  <nathan@codesourcery.com>

	* invoke.texi (strict-prototypes): Remove.
	* extend.texi (Deprecated Features): Add strict-prototypes.
	(Backwards Compatibility): New node.

2000-07-25  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.md (andsi_1+1): Allow HImode.
	(andsi_1+2): Require q_regs_operand.

2000-07-25  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.md (call_pop): Check operands[0],
	not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
	(call): Likewise.
	(call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
	(call_value): Likewise.

2000-07-25  Zack Weinberg  <zack@wolery.cumb.org>

	* toplev.c (pipe_closed): Delete.
	(crash_signal): New.  Generate ICE for a fatal signal.
	(float_signal): Call crash_signal outside a float-handler
	block, not abort.
	(main): Install crash_signal as handler for core-dumping signals.

2000-07-25  David Edelsohn  <edelsohn@gnu.org>

	* rs6000.c (print_operand, case 'T'): New case.

	* rs6000.md (call_indirect_aix32): Convert to expander of
	scheduled instructions.
	(call_indirect_aix64): Likewise.
	(call_value_indirect_aix{32,64}): Likewise.
	(call, call_value): Invoke expanders for AIX.  Fall through to
	matchers for SysV.
	(call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
	(call_value_indirect_nonlocal_aix{32,64}): New patterns.
	(call_nonlocal_aix32): Remove CALL_LONG alternative.  Operand 1
	only "g" constraint.
	(call_nonlocal_aix64): Likewise.
	(call_value_nonlocal_aix{32,64}): Likewise.
	(call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
	operands.
	(call_value_nonlocal_sysv): New pattern.
	(indirect_jump{si,di}): Use new 'T' modifier.
	(tablejump{si,di} matchers): Likewise.
	(return_internal_{si,di}): Likewise.
	(return_eh_{si,di}): Likewise.

2000-07-24  Richard Henderson  <rth@cygnus.com>

	* config/ia64/ia64.c (ia64_print_operand): Handle "%,".
	* config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
	* config/ia64/ia64.md (movdi_internal): Use it.

2000-07-24  Zack Weinberg  <zack@wolery.cumb.org>

	* cppexp.c: Warn about unary + if -Wtraditional.
	* cpplex.c (lex_line): Always set BOL on the first token of a line.

2000-07-24  Michael Meissner  <meissner@redhat.com>

	* d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
	unsupported macro.

2000-07-24  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.c (emit_multi_reg_push): Generate a
	REG_FRAME_RELEATED_NOTE that is compatable with the code in
	dwarf2out_debug_frame_expr.

2000-07-24  Jason Merrill  <jason@redhat.com>

	* dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
	UNALIGNED_INT_ASM_OP.
	(def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
	a location expression.
	(dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff.  Don't 
	assume indirect access if we're saving the CFA address exactly.

	* Makefile.in (bootstrap): Move -BstageN/ to the end.

2000-07-24  Jakub Jelinek  <jakub@redhat.com>

	* tradcpp.c (main): Update max_include_len for cpp_include_defaults
	as well.

2000-07-24  Michael Meissner  <meissner@redhat.com>

	* invoke.texi (D30V Options): Add d30v options.

Mon Jul 24 02:04:52 2000  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
	needed by our gcse pass anymore.
	(free_pre_mem): Corresponding changes.
	(compute_pre_data): Do not call compute_transpout anymore.

	* gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
	(free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
	changes.

	* gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
	(compute_pre_data): Do it here instead.

	* gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
	'temp_bitmap'.
	(pre_delete): Corresponding changes.

2000-07-23  Mark Mitchell  <mark@codesourcery.com>

	* c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
	to figure out whether or not a variable has already been emitted.

Sun Jul 23 14:49:12 2000  Jason Eckhardt  <jle@cygnus.com> 

	* config/i860/i860.md (untyped_call expander): Use GEN_CALL 
	instead of gen_call.

Sun Jul 23 11:52:03 2000  George Helffrich (george@gly.bris.ac.uk)

	* dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.

2000-07-23  Kazu Hirata  <kazu@hxi.com>

	* h8300.c: Fix formatting.

2000-07-23  Joseph S. Myers  <jsm28@cam.ac.uk>

	* c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
	for `long' switch expression into a plain warning.

	* c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
	(yylex): Don't pedwarn for "inline" in C99 mode.

	* bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
	with %p.
	* ggc-page.c (debug_print_page_list, alloc_page, free_page,
	ggc_alloc): Likewise.
	* bb-reorder.c (dump_scope_forest_1): Likewise.

2000-07-22  Aldy Hernandez  <aldyh@redhat.com>

	* reload.c (find_reloads_toplev): Add new parameter
	"address_reloaded".
	(find_reloads): Add new parameter to find_reloads_toplev calls.

2000-07-22  Jeffrey Oldham  <oldham@codesourcery.com>

	* collect2.c (main): Typo fixed.
	* diagnostic.c: Typo fixed.
	* dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
	* eh-common.h: Typo fixed.
	* emit-rtl.c (start_sequence): Typo fixed.
	* flow.c (find_label_refs): Typo fixed.
	(calculate_global_regs_live): Typo fixed.
	(mark_regno_cond_dead): Typo fixed.
	(create_edge_list): Typos fixed.
	(verify_edge_list): Typo fixed.
	* ggc-common.c (ggc_mark_rtx_children): Typo fixed.
	* loop.c (strength_reduce): Typo in function name fixed.
	* rtl.h: Added comments.  Typo in function name fixed.
	* rtlanal.c: Typo in function name fixed.
	(insn_dependant_p): Rename to ...
	(insn_dependent_p): ... this.
	(computed_jumo_p): Typo fixed.

2000-07-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* system.h (__FUNCTION__): Wrap definition in #ifndef.

2000-07-21  David Edelsohn  <edelsohn@gnu.org>

	* rs6000.h (SIZE_TYPE): Define.

2000-07-21  Mark Mitchell  <mark@codesourcery.com>

	* ssa.c (rename_insn_1): Don't rename registers that are
	CLOBBERed.

2000-07-21  Zack Weinberg  <zack@wolery.cumb.org>

	* diagnostic.c (trim_filename, fancy_abort): Moved here from
	rtl.c.
	(fatal_function, set_fatal_function): Removed.
	(fatal): Don't prepare for or call the fatal_function.
	(diagnostic_lock, error_recursion): New.
	(diagnostic_for_decl, report_diagnostic): Guard against
	re-entering the error reporting routines.
	(fancy_abort): Assume function is not NULL.

	* errors.c (fancy_abort): New.  Assume function is not NULL.
	* tradcpp.c (fancy_abort): Assume function is not NULL.

	* system.h: Provide default definition of __FUNCTION__.
	* rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
	Always use __FUNCTION__ in definition of abort.
	* tree.h: Likewise.
	* varray.h: Likewise.
	* toplev.h: Likewise.  Don't prototype set_fatal_function.

2000-07-20  Geoff Keating  <geoffk@cygnus.com>

	* config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
	in 64-bit mode.
	* glimits.h: Don't do #if defined for ARCH_PPC.

	* config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
	constants of size no larger than a pointer should go in the TOC.
	Add 'MODE' parameter.
	(LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
	ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
	(ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
	* config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
	* config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
	* config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
	(rs6000_legitimize_address): Likewise.
	(rs6000_emit_move): Likewise.
	(rs6000_select_rtx_section): Likewise.
	(output_toc): Deal properly with outputting small constants like
	HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
	* config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
	MODE parameter.  Put small constants in the TOC.

	* config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
	easy in SImode.
	(rs6000_emit_move): When reload calls us with an illegitimate
	address, exit early.  Move the change_address calls to one place
	at the end of the routine.  Merge the SImode and DImode expanders.
	When called by reload to put an integer into a FP register, force
	it to memory.

	* config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
	field.
	(rs6000_hash_constant): Hash mode too.
	(toc_hash_function): Allow for key_mode.
	(toc_hash_eq): Structures are different if key_mode differs.
	(output_toc): Add 'mode' parameter.  Save key_mode.
	* config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
	Pass 'mode' parameter.
	* config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.

	* config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
	for vtable references.

	* config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
	choice, don't put integer values in FP regs.

Thu Jul 20 18:13:52 2000  Jeffrey A Law  (law@cygnus.com)

	* flow.c (verify_flow_info): Revamp code to verify that the
	head and end of each basic block are in the insn chain.

Thu Jul 20 18:02:35 2000  Michael Matz <matzmich@cs.tu-berlin.de>

	* gcse.c (record_one_set): Prepend instead of append onto
	reg_set_table, making it O(n) instead O(n^2).
	* lcm.c (compute_antinout_edge,compute_laterin,compute_available):
	Use a queue instead of a stack as worklist.

2000-07-20  Kazu Hirata  <kazu@hxi.com>

	* h8300.c (two_insn_adds_subs_operand): Fix a typo.
	* h8300.h (OK_FOR_T): New.
	(EXTRA_CONSTRAINT): Support OK_FOR_T.
	* h8300.md: Use inc/dec.[wl] for increment/decrement
	by 1 and 2 in HI and SI modes.

2000-07-20  Jim Wilson  <wilson@cygnus.com>

	* config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
	larger than 14 bits.

2000-07-20  Zack Weinberg  <zack@wolery.cumb.org>

	* cppmacro.c (CAN_PASTE_AFTER): New macro.
	(count_params): Don't set GNU_REST_ARGS on anything.
	(save_expansion): Set PASTE_LEFT only on tokens for which
	CAN_PASTE_AFTER is true, or which are named operators.

	* cpplex.c (parse_args): Distinguish between a rest argument
	given one empty argument, and a rest argument given zero arguments.
	(maybe_paste_with_next): Look for VOID_REST tag, and trigger
	deletion of previous token based on that.
	(get_raw_token): Flatten some control structure.

	* cpplib.h (CPP_LAST_EQ): Correct.
	(VOID_REST): New token flag.
	(GNU_REST_ARGS): Delete.

	* tradcpp.c (main): Don't munge -D options.
	(make_definition): Bring -D handling in line with cpplib.
	(do_define): Strip all leading whitespace from macro definitions.

2000-07-20  David Billinghurst <David.Billinghurst@riotinto.com.au>

	* Makefile.in (tradcpp): Depend on intl.o and version.o.

2000-07-20  Bruce Korb  <bkorb@gnu.org>

	* fixincl/check.tpl: strip the platform specific types before testing
	* fixincl/fixfixes.c(gnu_type_fix): use platform specific types
	* fixincl/fixincl.tpl: use platform specific types
	* fixincl/fixlib.h: include the platform specific types
	* fixincl/inclhack.def(gnu_types): don't supply the types
	* fixincl/fixincl.x: regen

2000-07-19  Jim Wilson  <wilson@cygnus.com>

	* config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
	GR_REGS.

2000-07-19  Zack Weinberg  <zack@wolery.cumb.org>

	* tradcpp.c (rescan): Do not recognize directives when the #
	is indented.

2000-07-19  Zack Weinberg  <zack@wolery.cumb.org>

	Implement C++ named operators.

	* cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
	of operators allowed in #if and having an _EQ variant.  Add
	CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
	(cpp_token flags): Add NAMED_OP.
	(enum node_type): Add T_OPERATOR.
	(struct cpp_hashnode): Add code slot to value union.
	* cpphash.h (spec_nodes): Remove n_defined.

	* cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
	(spell_token, can_paste, maybe_paste_with_next): Handle named operators.
	(is_macro_disabled): Tweak error messages.

	* cpplib.c (get_define_node): Disallow all named operators as
	macro names.  Tweak error messages.
	(_cpp_init_stacks): Don't set up spec_nodes->n_defined.

	* cppinit.c (builtin_array): Add entries for the named operators.
	* cppexp.c (lex): Check for CPP_DEFINED token.
	(priority table): Add entries for CPP_MIN and CPP_MAX.
	(_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.

2000-07-19  Bernd Schmidt  <bernds@cygnus.co.uk>

	* gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
	larger than the array of cuids.
	(alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
	cuids.

2000-07-19  Bruce Korb  <bkorb@gnu.org>

	* fixinc/fixincl.c:  Convert to using a table of environment variables
	and activate the auto-edit marker on the fixed output files.
	* fixinc/fixlib.h:  Define the environment table
	* fixinc/fixincl.sh: export the ${INPUT} dir
	* fixinc/check.tpl: likewise

2000-07-18  Zack Weinberg  <zack@wolery.cumb.org>

	* gcc.c (.h spec): Fix typo.

Wed Jul 19 01:22:15 CEST 2000  Marc Espie  <espie@cvs.openbsd.org>

	* Makefile.in: Fix tradcif.c path.

2000-07-18  Zack Weinberg  <zack@wolery.cumb.org>

	* cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
	  macros, not five.

	* cpphash.h (TOKEN_NAME): New macro.
	(_cpp_spell_operator): Deleted.
	(token_spellings): Now _cpp_token_spellings.

	* cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
	* cpplex.c: Use OP and TK macros when expanding the
	TTYPE_TABLE.  Eliminate token_names.  For non-OPERATOR tokens,
	store the stringification of the enumeration name (CPP_CHAR,
	etc.) in the name slot of token_spellings.
	Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
	token_spellings directly.
	* cpplib.c: Use TOKEN_SPELL.

	* cpplex.c (_cpp_push_token): If the token being pushed back
	is the previous token in this context, just subtract one from
	context->posn.
	* cppmacro.c (save_expansion): Clear aux field when storing a
	placemarker.

2000-07-18  Jakub Jelinek  <jakub@redhat.com>

	* cpplex.c (cpp_scan_buffer): Output line command even at the stop
	buffer, provided it is not NULL.

2000-07-18  Alexandre Oliva  <aoliva@redhat.com>

	* c-decl.c (duplicate_decls): Do not call make_var_volatile() in
	case of invalid volatile re-declaration.

2000-07-18  Jakub Jelinek  <jakub@redhat.com>

	* calls.c (store_arg): Return non-zero if sibcall_failure is desired.
	(expand_call): Adjust caller.

2000-07-17  Gabriel Dos Reis  <gdr@codesourcery.com>

	* diagnostic.h (report_diagnostic): Change prototype.

	* diagnostic.c (output_do_verbatim, diagnostic_for_asm,
	diagnostic_for_decl):  Change prototype.
	(error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
	error, warning, error_with_file_and_line,
	warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
	Adjust call to report_diagnostic, diagnostic_for_decl.
	(error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
	(output_verbatim, verbatim): Adjust call to output_do_verbatim.

	* c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
	varaible argument list.

2000-07-17  Zack Weinberg  <zack@wolery.cumb.org>

	* cpphash.c: Don't include hashtab.h.  Most macro-handling code
	moved to cppmacro.c.
	(hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
	dump_hash_helper): Delete.
	(expand_hash, higher_prime_number, _cpp_lookup_with_hash,
	cpp_forall_identifiers): New. Implement specialized version of
	Vlad's expandable hash table.
	(cpp_lookup): Use new functions.
	(_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
	implementation.
	* cppmacro.c: New file.
	* cppinit.c (dump_macros_helper): New.
	(cpp_finish): Iterate over the identifier table directly.
	* cpplex.c (parse_name): Calculate the hash of the identifier
	while we scan it.  Use _cpp_lookup_with_hash when we can.

	* cpphash.h: Update prototypes.
	(xcnewvec, HASHSTEP): New helper macros.
	* cpplib.h: Update prototypes.
	* Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
	(cppmacro.o): New rule.
	(cpphash.o): Update deps.

	* cppmain.c: Do not set pfile->printer if no_output is on.

2000-07-15  Neil Booth  <neilb@earthling.net>

	* cpplib.c: Change all directive-handler functions to return
	void, not int.
	* cpphash.h: Update typedefs.

2000-07-17  Geoffrey Keating  <geoffk@cygnus.com>

	* configure: Regenerate.

	* extend.texi (Extended Asm): Mention that a memory clobber
	does not count as a side-effect.

	* unroll.c (copy_loop_body): Fix one instance of using host
	arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
	cross-compile.

	* tlink.c (scan_linker_output): Tweak for output of AIX ld.

2000-07-17  Richard Henderson  <rth@cygnus.com>

	* config/ia64/ia64.md (movdi): Split out load address code.
	New post-reload splitter for symbolic operands.
	(movdi_internal): Abort if we didn't split symbolic operands
	when we should have.
	* config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
	(ia64_reorg): Split insns when not optimizing.
	* config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.

Mon Jul 17 23:43:26 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
	instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.

2000-07-17  Chandrakala Chavva   <cchavva@cygnus.com>

	* loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.

2000-07-17  Jason Merrill  <jason@redhat.com>

	* Makefile.in (clean): Remove libgcc directory.

	* configure.in (-Wno-long-long check): Use higher-level macros.

2000-07-17  Zack Weinberg  <zack@wolery.cumb.org>

	* simplify-rtx.c (simplify_binary_operation): Recognize
	   (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
	(simplify_ternary_operation):  Do not examine MODE_BITSIZE of
	   a CONST_INT, it will always be zero.

2000-07-17  Chandrakala Chavva   <cchavva@cygnus.com>

	* loop.c (check_dbra_loop) : Return if more than one condition is
	present to control the loop.

Mon Jul 17 08:26:35 2000  Clinton Popetz  <cpopetz@cygnus.com>

	* mips.c (mips_expand_prologue): Don't calculate the last argument
	register unless we need it.  When we are calculating this, make
	sure FUNCTION_ARG is giving us a REG.

2000-07-17  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

	* flow.c (libcall_dead_p): Use single_set to verify the insn
	has only one set and get for analysis.
	(propagate_one_insn): Don't pass the PATTERN of the insn.

2000-07-17  Mark Klein <mklein@dis.com>

	 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.

2000-07-17  J. David Anglin  <dave@hiauly1.hia.nrc.ca>

	* Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
	* configure.in (TARGET_GETGROUPS_T): Evaluate.
	* sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
	of second argument of getgroups.
	* configure, config.in: Rebuilt.

2000-07-17  Geoffrey Keating  <geoffk@cygnus.com>

	* simplify-rtx.c (simplify_relational_operation): Two signed
	values with equal high words are less/greater than each other if
	their low words are less/greater when considered as unsigned.

Mon Jul 17 02:37:06 2000  Marc Espie <espie@openbsd.org>

	* configure.in (vax-*-openbsd):  Change to new style configuration,
	add collect2/float_format information.
	* configure:  Rebuilt.
	* config/vax/openbsd1.h:  New.
	* config/vax/openbsd.h:  New.
	* config/vax/t-openbsd:  New.

2000-07-17  Chip Salzenberg  <chip@valinux.com>

	* c-common.c (shorten_compare): Quiet warnings about unsigned
	comparisons with zero when they occur in a system header.

2000-07-17  Joseph S. Myers  <jsm28@cam.ac.uk>

	* invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
	update to describe current practice.

	* glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.

	* contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
	references to C9X.  Change references to -fstd and -flang-isoc9x
	to refer to -std.

	* c-common.c (scan_char_table): Allow "z" length modifiers on
	diouxXn formats.
	(check_format_info): Use TYPE_DOMAIN on the type matched against
	for "z" formats, to retrieve the language size_t rather than the
	internal one.

	* c-common.c (check_format_info): Do not make a pedantic objection
	to the 'L' length modifier if used with a floating point type
	character.

	* c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
	constants in C99 mode.

2000-07-17  Kazu Hirata  <kazu@hxi.com>

	* h8300.md: Fix the format of mac.
	(movsi_h8300hs): Output a tab after stmac instead of a space.

	* h8300.c (two_insn_adds_subs_operand): Improve code for detecting
	profitable adds/subs sequences.

	* fold-const.c: Fix comment typos.

2000-07-16  Laurynas Biveinis  <lauras@softhome.net>

	* cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.

2000-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.

2000-07-16  Neil Booth  <NeilB@earthling.net>

	* cpplex.c: Update comments.
	* README.Portability: Small update.

2000-07-16  Neil Booth  <NeilB@earthling.net>

	* README.Portability:  Small update.

2000-07-15  Richard Henderson  <rth@cygnus.com>

	* config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
	* config/ia64/ia64.c (ia64_move_ok): New function.
	* config/ia64/ia64.md (movqi, movqi_internal): Use it.
	(movhi, movsi, movdi, movsf, movdf, movxf): Likewise.

2000-07-15  Zack Weinberg  <zack@wolery.cumb.org>

	* cpphash.c (save_expansion): Clear PREV_WHITE on tokens
	immediately following a paste operator.
	* cppinit.c (sort_options): New function (only for HOST_EBCDIC).
	(cpp_reader_init): Call it, if HOST_EBCDIC.
	(cpp_handle_options): Do not sort option list here.
	(handle_option): Rename to cpp_handle_option and export.
	* cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
	_cpp_get_token directly.
	(cpp_scan_line): Return 0 at EOF, 1 otherwise.
	* cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
	* cpplib.h: Prototype cpp_handle_option.  Update prototype of
	cpp_scan_line.

2000-07-15  Richard Henderson  <rth@cygnus.com>

	* fold-const.c (extract_muldiv): Don't optimize past an unsigned
	cast around an expression.  Tidy other unsigned tests.

2000-07-15  Gabriel Dos Reis  <gdr@codesourcery.com>

	* diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
	v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
	(v_message_with_decl): Rename to ...
	(format_with_decl): ... this. Tweak
	(diagnostic_for_decl): New function.
	(fatal_io_error): Use verbatim in lieu of notice.
	(announce_function): Use verbatim.
	(default_print_error_function): Likewise.
	(error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
	infratructure.

2000-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* mips.c (function_arg_pass_by_reference): Don't do automatic
	aggregate initialization.
	(machine_dependent_reorg): Initialize variable `mode'.

	* mips.md (absdi2): Change variable `regno1' to unsigned int.
	(reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
	conflicts with sys/param.h macro of the same name.
	(reload_outdi): Likewise.

2000-07-15  Michael Meissner  <meissner@redhat.com>

	* fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
	== CONST + INCREMENT, don't overwrite the tree node for FOO++,
	create a new node instead.

2000-07-15  Neil Booth  <NeilB@earthling.net>

	* README.Portability: Correct example about calling a function
	through a pointer to function.  Format wide paragraphs.

2000-07-15  Michael Meissner  <meissner@redhat.com>

	* README.Portability: Update integer suffixes and function
	prototype sections.

2000-07-15  Neil Booth  <NeilB@earthling.net>

	* README.Portability: Small update.

2000-07-15  Neil Booth  <NeilB@earthling.net>

	* README.Portability: New file.

Fri Jul 14 18:13:53 2000  Mark P Mitchell  <mark@codesourcery.com>

	* INSTALL: Give special instructions for building GCC on Irix 6.
	* config/mips/x-iris6 (CC): Don't set it.
	(OLDCC): Likewise.

2000-07-14  Jason Merrill  <jason@redhat.com>

	* dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
	register in the stack and later in another register, use the new
	register.

Fri Jul 14 10:25:53 2000  Clinton Popetz  <cpopetz@cygnus.com>

	* config/mips/mips.md: (absdi2): Handle sign_extend for
	second operand.

2000-07-14  Nathan Sidwell  <nathan@codesourcery.com>

	* cpplib.c (do_pragma_dependency): Tidy warning messages.

2000-07-14  Zack Weinberg  <zack@wolery.cumb.org>

	* .cvsignore: Correct typo.

2000-07-13  Mark Mitchell  <mark@codesourcery.com>

	* .cvsignore: Add generated YACC files.
	* objc/.cvsignore: New file.

2000-07-14  Neil Booth  <NeilB@earthling.net>

	* cpplex.c (adjust_column): New funcion.
	(skip_whitespace): Use it.
	(skip_block_comment): Use it, and warn about /*/* with
	-Wcomments.

2000-07-14  Neil Booth  <NeilB@earthling.net>

	* cpphash.c (struct macro_info): Add new members.
	(_cpp_free_definition): Delete the macro directly.
	(count_params): Return void, with first token of
	expansion in struct macro_info on success.
	(parse_define): Return int.  Hoist syntax checking from
	save_macro_expansion.  Leave call to save_expansion to
	_cpp_create_definition.
	(alloc_macro): Needs just 2 arguments.
	(free_macro): Delete.
	(save_expansion): Don't perform syntax check.
	(_cpp_create_definition): Call save_expansion.

2000-07-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* genrecog.c (write_header): Split long string.

	* cpphash.c (macro_info): Don't use the `signed' keyword.

	* system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.

2000-07-13  Jakub Jelinek  <jakub@redhat.com>

	* calls.c (stored_args_map): New variable.
	(check_sibcall_argument_overlap_1): New.
	(check_sibcall_argument_overlap): New.
	(expand_call): Initialize stored_args_map.
	Call check_sibcall_argument_overlap.

2000-07-13  Bruce Korb  <bkorb@gnu.org>

	* fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
	(emit_gnu_type): utility procedure for gnu_type_fix
	(gnu_type_fix): implement various pre-processor guards around
	standard types so these types can be defined over and over
	* fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
	types alluded to above will have GNU-compliant base types
	* fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
	* fixinc/inclhack.def: add test_text entries and utilize the new
	"gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
	* fixinc/fixincl.x: regenerate

2000-07-12  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>

	* diagnostic.c (vline_wrapper_message_with_location,
	v_message_with_file_and_line, v_error_with_file_and_file,
	v_error_for_asm, v_warning_for_asm, vfatal,
	v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
	vsorry, verror, vwarning, vpedwarn): Remove.
	(diagnostic_for_asm): New function.
	(pedwarn, error, warning, pedwarn_with_file_and_line,
	error_with_file_and_line, warning_with_file_and_line, sorry,
	error_for_asm, warning_for_asm, fatal): Reimplement.
	(finish_diagnostic): Clear diagnostic info as well.

2000-07-13  Neil Booth  <NeilB@earthling.net>

	* c-common.h (flag_digraphs): New.
	* c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
	* c-lex.c (yylex): Use flag_digraphs to decide whether to
	honour digraphs.

2000-07-13  Zack Weinberg  <zack@wolery.cumb.org>

	* gcc.c (do_spec_1): Add new %B operator.
	(set_input): Prepare for %B.

	(link_command_spec): Move up with the other tm.h-
	overrideable specs.  Factor out the portion conditional on
	LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
	(struct compiler): Just have a single spec string.  All users
	updated.
	(default_compilers): Remove unnecessary braces.
	(static_specs): Update.

	(trad_capable_cpp, cpp_options, cc1_options, asm_options): New
	named specs.
	(C and assembly specs): Use the new named specs, as appropriate.

	* objc/lang-specs.h: Use the new named specs.
	Remove unnecessary braces.

2000-07-12  Zack Weinberg  <zack@wolery.cumb.org>

	* gcc.c (execute): If a subprocess gets a fatal signal, report
	strsignal() of the signal number, and ask for a bug report.
	Do not do this for SIGPIPE if there's already been an error.

	* tradcpp.c: Don't include signal.h.  Don't catch SIGPIPE.
	Delete pipe_closed.

	* tradcif.c: Remove.

2000-07-12  Zack Weinberg  <zack@wolery.cumb.org>

	* final.c (profile_function): Do not emit profile counters in
	the data section, if NO_PROFILE_COUNTERS is defined.
	* tm.texi: Document NO_PROFILE_COUNTERS.  Update doc for
	FUNCTION_PROFILER.

	* config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
	(FUNCTION_PROFILER): Just emit a call to mcount.

2000-07-12  Zack Weinberg  <zack@wolery.cumb.org>

	* tradcpp.c (main): Rename 'perror' label to 'sys_error'.

	* cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
	cpplib.c, cpplib.h: Eradicate all traces of code dependent on
	traditional, lang_chill, or lang_fortran.

	* cppfiles.c: #undef strcmp to suppress warning about macros
	used without arguments.
	(_cpp_execute_include): Use f, not fname, in "No include path"
	error.
	(_cpp_pop_file_buffer): New function.
	* cpplib.c: Don't include <sys/mman.h>.
	(cpp_push_buffer): Set line_base and lineno in new buffer.
	(cpp_pop_buffer): Use _cpp_pop_file_buffer.

	* cpplex.c: Move all prototypes and structure declarations to the
	top of the file.  Properly parenthesise some macro arguments.
	(cpp_scan_line): New function.
	(special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
	don't need to walk up the stack counting.

2000-07-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* c-common.c (combine_strings): Emit a pedantic warning when a
	string length is greater than the minimum ANSI C is required
	to support.

Wed Jul 12 13:24:30 2000  Jeffrey A Law  (law@cygnus.com)

	* pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
	* d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.

2000-07-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* c-decl.c (define_label): Warn about identifier conflicts with
	labels in traditional C.

	* c-parse.in (unop +): Warn about the unary plus operator for
	traditional C.

	* c-typeck.c (store_init_value): Warn about automatic aggregate
	initialization for traditional C.

	* invoke.texi (-Wtraditional): Document new warnings.

2000-07-12  Gabriel Dos Reis  <gdr@codesourcery.com>

	* Makefile.in (c-errors.o): Fix thinko in dependency.

2000-07-12  Zack Weinberg  <zack@wolery.cumb.org>

	* gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
	-traditional, -ftraditional, or -traditional-cpp was given.
	Do not pass -traditional to the preprocessor.
	(.S spec): Likewise.  Don't bother defining __ASSEMBLER__, the
	preprocessor does it automatically.
	* objc/lang-specs.h: Likewise.  Don't bother defining __OBJC__.

	* ch/lang-specs.h: Always use tradcpp.  Do not pass
	-traditional, -trigraphs, or -pedantic to the preprocessor.
	* f/lang-specs.h (.F spec): Likewise.  Don't bother defining
	_LANGUAGE_FORTRAN.

2000-07-12  Zack Weinberg  <zack@wolery.cumb.org>

	* cppexp.c (LOGICAL): Delete macro.
	(_cpp_parse_expr): Do not use UNARY for unary +.  Implement ||
	and && directly.

	* cpphash.c (HASHSIZE): Increase to 4096.
	(struct hashdummy): Add hash field.
	(eq_HASHNODE): Compare unreduced hashes, then lengths, then
	the string values using memcmp.
	(cpp_lookup): Set dummy.hash.

Wed Jul 12 13:15:16 2000  Marc Espie <espie@openbsd.org>

	* configure.in (m88k-openbsd): Express configuration using new fragment
	style.
	* configure: Rebuilt.
	* m88k/aout-dbx.h: New.
	* m88k/openbsd.h: New.
	* m88k/xm-openbsd.h: New.

2000-07-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* expr.c (expand_expr): Return const0_rtx, not error_mark_node.

2000-07-12  Richard Henderson  <rth@cygnus.com>

	* reload.c (push_secondary_reload): Make sure to add the new
	reload at the end, after acquiring secondary memory.

2000-07-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.

	* c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
	lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.

	* c-parse.in (stmt): Delete unused variables.

	* convert.c (convert_to_vector): Likewise.

	* gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.

	* tree.c (finish_vector_type): Prototype.

2000-07-12  Bruce Korb  <bkorb@gnu.org>

	* fixinc/fixfixes.c: use xmalloc
	* fixinc/fixincl.c(initialize): set program name for xmalloc
	* fixinc/fixlib.c(must_malloc): obsolete
	(is_cxx_header): no longer used - disabled
	(skip_quote): inserted and disabled for future use
	* fixinc/fixlib.h: reflects above
	* fixinc/fixtests.c: removed dinkleberries

2000-07-12  Neil Booth  <NeilB@earthling.net>

	* cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
	* cpplex.c (TOKEN_SPELL) Move to cpphash.h.

	* cpphash.c: (struct macro_info, alloc_macro, free_macro,
	struct toklist_dummy): New.
	(cpp_free_definition): Free macros with free_macro.
	(count_params): Don't save paramter spellings.  Save macro
	information in a struct macro_info.
	(parse_define): Don't allocate a token list.
	(save_expansion): Allocate the macro's token list, and
	save parameter spellings if necessary.  Use TOKEN_SPELL.
	(cpp_create_definition): Make list const.

2000-07-12  Gabriel Dos Reis  <gdr@codesourcery.com>

	* c-typeck.c (pedwarn_c99): Move to
	* c-errors.c: ... Here.
	* toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
	* diagnostic.c (verror, vwarning, vpedwarn): Make static.
	* Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
	(c-errors.o): List dependency.

2000-07-12  Mark Mitchell  <mark@codesourcery.com>

	* c-parse.c: Remove.
	* c-parse.h: Likewise.
	* c-parse.y: Likewise.
	* objc/objc-parse.c: Likewise.
	* objc/objc-pasre.y: Likewise.

2000-07-11  Rodney Brown  <RodneyBrown@pmsc.com>

	* gcc.texi: Fix minor typos
	* extend.texi: Fix minor typos

2000-07-11  Marc Espie <espie@openbsd.org>

	* collect2.c (main): Recognize .lo as object files.

2000-07-11  J. David Anglin  <dave@hiauly1.hia.nrc.ca>

	* pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
	true.

	* aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
	with MAP_ANONYMOUS and MAP_ANON.
	* configure, config.in: Rebuilt.

2000-07-12  Gabriel Dos Reis  <gdr@codesourcery.com>

	* diagnostic.c (save_output_state): Remove.
	(restore_output_state): Likewise.
	(clear_text_info): New function.
	(clear_diagnostic_info): Likewise.
	(output_text_length, is_starting_newline, output_prefix,
	line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
	prefixing_policy, output_buffer_ptr_to_format_args): New macros
	(set_real_maximum_length, output_set_maximum_length,
	output_set_prefix, output_get_prefix, output_set_maximum_length,
	output_destroy_prefix, init_output_buffer,
	reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
	output_add_newline, output_add_character, output_add_space,
	output_append_r, output_append, wrap_text, output_format,
	output_do_printf, output_printf, output_do_verbatim,
	output_verbatim, verbatim): Use them.
	(output_clear): Split into cleat_text_info and
	clear_diagnostic_info.
	(struct output_state): Move to...

	* diagnostic.h: ...Here
	(struct output_buffer): Adjust.

2000-07-11  Zack Weinberg  <zack@wolery.cumb.org>

	* cpplex.c (parse_name): No longer inline (premature optimization).
	(do_pop_context): Fold into pop_context.
	(pop_context): Returns int.
	(lex_next): Hoist test for end of directive into pop_context.
	(push_macro_context): Returns int; takes just reader and token.
	Hoist test for excessive nesting to caller.
	(push_arg_context): Returns void; takes just reader and token.
	Do not call stringify_arg or get_raw_token.
	(get_raw_token): Convert tail recursion through	push_arg_context
	to a loop at this level.  Call stringify_arg here if appropriate.
	(maybe_paste_with_next): Convert tail recursion to a while loop.
	Hoist test of paste_level to caller.

	(stringify_arg): Push arg context at beginning.
	(cpp_get_token): Split out core into _cpp_get_token.  Call
	process_directive here.  Throw away CPP_PLACEMARKER tokens.
	(_cpp_get_token): Convert tail recursion through
	push_macro_context to a loop at this level.
	(_cpp_glue_header_name, is_macro_disabled, stringify_arg,
	_cpp_get_raw_token): Use _cpp_get_token.
	(_cpp_skip_rest_of_line): Drop the context stack directly; do
	not call pop_context.
	(_cpp_run_directive): Call lex_next directly.

	* cpphash.h: Prototype _cpp_get_token.
	* cppexp.c (lex): Use it.
	* cpphash.c (parse_define): Use it.
	* cpplib.c (get_define_node, do_undef, parse_include,
	read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
	do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
	parse_ifdef, validate_else): Use it.
	(cpp_push_buffer): Tweak error message; abort if anyone tries
	to push a buffer while macro expansions are stacked.

2000-07-11  Donn Terry  <donnte@microsoft.com>

	* cpplex.c (free_macro_args, save_token): Cast arg of free
	and/or xrealloc to PTR.
	(_cpp_init_input_buffer): Clear all fields of the base context.

Tue Jul 11 15:28:21 CDT 2000  Clinton Popetz  <cpopetz@cygnus.com>

	* gensupport.c (process_rtx): Make rtl checking stop
	complaining about the define_insn while it is being
	converted from a define_insn_and_split.

Tue Jul 11 16:26:17 2000  Clinton Popetz  <cpopetz@cygnus.com>

	* config/mips/mips.c (simple_memory_operand): Access the
	INTVAL of the address, not it's containing MEM.

2000-07-11  Bruce Korb  <bkorb@gnu.org>

	* fixinc/fixtests.c(double_slash): obsolete
	(else_endif_label): likewise
	* fixinc/inclhack.def(irix_multiline_cmnt): obsolete
	(libc1_ifdefd_memx): correct initial comment
	and omit the #if/#endif pair from the memxxx declarations
	* fixinc/fixincl.x: regen

2000-07-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* cpplex.c (T, I, S, C, N): Avoid non-constant initializers.

2000-07-11  Neil Booth  <NeilB@earthling.net>

	* cpp.texi: Update.

2000-07-11  Neil Booth  <NeilB@earthling.net>

	* cppinit.c: (cpp_reader_init): Allow digraphs by default.
	(handle_option): Set digraphs according to standard.
	Merge OPT_lang_c89 handler with OPT_std_c89.

	* cpplex.c: (lex_line, can_paste): Honour digraphs in
	accordance with	the digraphs flag.

	* cpplib.h: (struct cpp_options): New option digraphs.

2000-07-10  Hans-Peter Nilsson  <hp@axis.com>
	    Bruce Korb  <bkorb@gnu.org>

	* fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
	* fixinc/fixincl.x: Regenerate.
	* fixinc/tests/base/testing.h: Add testcase.

2000-07-10  Richard Henderson  <rth@cygnus.com>

	* config/ia64/ia64.c (got_symbolic_operand): New.
	(symbolic_operand, move_operand): Revert 0701 change.
	* config/ia64/ia64.h (PREDICATE_CODES): Update.
	* config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
	* config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
	split the offset into a 14-bit low part instead of a 13-bit low part.
	(load_fptr): Mark the mem as unchanging.
	(load_symptr): Use got_symbolic_operand.

2000-07-10  Nick Clifton  <nickc@cygnus.com>

	* libgcc2.c (next_stack_level): Cast result of computation to
	(void **) so that the assignment does not generate a warning.

2000-07-10  Chandrakala Chavva  <cchavva@redhat.com>

	* flags.h : Add new variable flag_single_precision_constant.
	* toplev.c (display_help) : Add -fsingle-precision-constant option.
	(flag_single_precision_constant): New.
	* c-lex.c (yylex): Convert floating point constant to single
	precision constant.
	* invoke.texi : Add documentation for this new option.

2000-07-10  Gabriel Dos Reis  <gdr@codesourcery.com>

	* diagnostic.c (output_octal): Second parameter is unsigned.
	(output_long_octal): Likewise.
	(output_hexadecimal): Likewise.
	(output_long_hexadecimal): Likewise.
	(output_format): Adjust arguments extraction. Tweak.
	(output_verbatim, verbatim): End variable argument list.
	(report_diagnostic): Improve documentation.

2000-07-10  Benjamin Chelf  <chelf@codesourcery.com>

	* c-common.h (build_stmt): Declare.
	(build_continue_stmt): Likewise.
	(build_break_stmt): Likewise.
	(build_return_stmt): Likewise.

	* c-decl.c (do_case): Rewrite to do what previously done in
	c-parse.in.

	* c-semantics.c (build_stmt): Define.
	(build_return_stmt): Likewise.
	(build_break_stmt): Likewise.
	(build_continue_stmt): Likewise.
	(build_case_label): Likewise.

	* c-parse.in (BREAK): Change to build tree, then generate RTL.
	(CONTINUE): Likewise.
	(RETURN): Likewise.
	(CASE): Likewise.
	(DEFAULT): Likewise.

	* c-parse.y: Regenerate.
	* c-pasre.c: Likewise.

2000-07-09  Jason Merrill  <jason@redhat.com>

	* expr.c (expand_expr): Bail earlier if we get an error_mark_node.

	* tree.h (STRIP_NOPS): Check for error_mark_node.
	(STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
	(dwarf2out_*): Remove duplicate declarations.

	* c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
	DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.

2000-07-10  Gabriel Dos Reis  <gdr@codesourcery.com>

	* diagnostic.c (wrap_text): New function.
	(maybe_wrap_text): Likewise.
	(output_add_string): Use it.
	(output_format): Likewise.
	(count_error): Use verbatim instead of notice.
	(report_error_function): Likewise. Don't use plain fprintf.
	(finish_diagnostic): New function.
	(output_do_verbatim): Tweak.  Commonalize functionalities in
	output_verbatim and verbatim.
	(output_verbatim): Adjust.
	(verbatim): Likewise.
	(report_diagnostic): Define.

	* diagnostic.h (report_diagnostic): Prototype.

2000-07-09  Zack Weinberg  <zack@wolery.cumb.org>

	* cppexp.c (_cpp_parse_expr): Don't use unary plus.

2000-07-09  Neil Booth  <NeilB@earthling.net>

	* cpphash.h: ISvspace, is_vspace, is_nvspace: New.
	IShspace, ISspace: Update.

	* cppinit.c: ISTABLE: Update.
	V: New.

	* cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
	(IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
	(skip_block_comment, skip_line_comment,	parse_string,
	lex_line): Use is_vspace rather than IS_NEWLINE.
	(skip_whitespace, lex_line): Clean up to use is_nvspace.
	(lex_line): Use KNOWN_DIRECTIVE.  Any kind of directive
	gets a BOL flag.
	(lex_next): Unconditionally stop if within a directive.
	Treat directives within macro invocations as directives
	(after parse_args emits error), not as the argument.

2000-07-09  Gabriel Dos Reis  <gdr@codesourcery.com>

	* diagnostic.c (diagnostic_args): New macro.
	(diagnostic_msg): Likewise.
	(output_formatted_integer): Likewise.
	(output_state): New data type.
	(digit_buffer): Make global.
	(output_add_integer): Rename to output_decimal. Squeeze
	digit_buffer.
	(output_long_decimal, output_unsigned_decimal,
	output_long_unsigned_decimal, output_octal, output_long_octal,
	output_hexadecimal, output_long_hexadecimal): New functions.
	(output_append_r): New function.
	(output_append): Tweak.
	(output_flush_on): Rename to output_to_stream.
	(output_format): Change prototype.  Improve documentation. Handle
	more format specifiers.
	(build_location_prefix): Rename to context_as_prefix.
	(output_notice): Rename to output_do_printf.
	(output_printf): Tweak.
	(line_wrapper_printf): Likewise.
	(vline_wrapper_message_with_location): Adjust call to renamed
	functions.
	(v_message_with_decl): Likewise.
	(default_print_error_function): Likewise.
	(save_output_state): New function.
	(restore_output_state): Likewise.
	(output_do_verbatim): Likewise.
	(output_verbatim): Define.
	(verbatim): Likewise.

	* diagnostic.h (printer_fn): Change return type from void to int.
	Improve documentation.
	(output_add_integer): Rename to output_decimal.
	(output_flush_on, output_format): Don't export.
	(output_verbatim, verbatim): Declare.

2000-07-08  Toon Moene  <toon@moene.indiv.nluug.nl>

	* fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
	Check whether c divides op1 exactly if operation is not
	multiplication.

2000-07-08  Richard Henderson  <rth@cygnus.com>

	* final.c (final): Do not abort when reg-stack introduces
	a new insn.

2000-07-08  Zack Weinberg  <zack@wolery.cumb.org>

	* cpplib.h (struct cpp_name): Now struct cpp_string.
	(CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
	CPP_HEADER_NAME): Change to type S.
	(struct cpp_token): Rename 'name' field to 'str'.  Add 'node'
	field, a cpp_hashnode *.  All references to val.name updated
	to use val.str or val.node as appropriate.
	(struct cpp_reader): Add spec_nodes field.
	(cpp_idcmp): Now cpp_ideq; takes a token * and a char *.

	* cpphash.h (struct spec_nodes): New.
	(enum spell_type): Reorder.  Only SPELL_STRING tokens use
	val.str.  All references to 'spelling > SPELL_NONE' updated to
	match.

	(CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
	pfile->buffer->inc are not NULL before dereferencing them.

	* cpplex.c (parse_name): Take a pointer to the current token,
	plus current position and limit as args; return the new
	position; don't copy the text of a name into the string
	buffer, instead call cpp_lookup and store the node pointer.
	If extending a token, copy out the text of the old into a
	scratch buffer, append the new, look that up and store the new
	node pointer.  Inline.
	(maybe_paste_with_next): If the result of paste is a NAME,
	then look up the pasted text and store its node pointer.
	(lex_line): Adjust for new parse_name interface.
	Check for L"str", L'str' using spec_nodes->n_L.
	(spell_token): SPELL_IDENT tokens have their spelling in
	val.node->name.  Handle SPELL_STRING tokens that don't have
	string delimiters.
	(_cpp_expand_name_space,
	(can_paste): Check for L ## "str" using spec_nodes->n_L.
	(cpp_get_token, special_symbol): No need to call cpp_lookup.
	(cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
	return 1=equal 0=not, not a tristate.

	* cpphash.c (var_args_str): Delete.
	(find_param): Compare node fields directly.
	(is__va_args__): Use CPP_PEDANTIC.  Just compare
	token->val.node with spec_nodes->n__VA_ARGS__.
	(dump_funlike_macro): Don't use var_args_str.

	* cpplib.c (_cpp_check_directive): Just walk through
	spec_nodes->dirs comparing pointers.
	(get_define_node, do_pragma_poison, detect_if_not_defined,
	parse_ifdef): The identifier has already been looked up.
	(do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
	node.
	(do_if): Only call detect_if_not_defined at beginning of file.
	(_cpp_parse_assertion): Only copy string pointers for
	SPELL_STRING tokens.
	(pragma_dispatch): Take a node pointer and examine its name
	field.
	(_cpp_init_stacks): Also initialize the spec_nodes structure.

	* cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
	_cpp_init_macros.
	(cpp_cleanup): Free pfile->spec_nodes.  Call _cpp_cleanup_* in
	reverse order from the corresponding _cpp_init_* routines.

	* cppexp.c (parse_number, parse_charconst, parse_defined,
	lex): Check val.node->type instead of calling cpp_defined.
	Use spec_nodes entries where appropriate.

	* fix-header.c, scan-decls.c: Update for interface changes.

2000-07-08  Geoffrey Keating  <geoffk@cygnus.com>

	* config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
	emitting aux_truncdfsf2.

2000-07-03  Donn Terry  (donnte@microsoft.com)

	* cppinit.c (print_help): split overlong line into ISO C89
	maximum chunks.

2000-07-07  Zack Weinberg  <zack@wolery.cumb.org>

	* cppexp.c: Update all code for new lexer interface.
	(op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
	(struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
	* cpplex.c (token_names): Trim leading CPP_ from names; make
	the strings unsigned.
	(_cpp_spell_operator): New.
	(is_macro_disabled): Disable all macros if rescanning
	preprocessed text.
	(_cpp_get_directive_token): Remove.

	* cppinit.c: Don't set no_macro_expand.
	* cpplib.c (read_line_number, do_line): Check only for EOF,
	not VSPACE.
	* cpphash.h: Update prototypes.
	* cpplib.h (CPP_VSPACE): Remove.
	(struct cpp_reader): Remove no_macro_expand.

2000-07-08  Neil Booth  <NeilB@earthling.net>

	* cpphash.c (is__va_args__): New function.
	(count_params): Fix line reported in error messages.  Use
	is__va_args__.  Don't return ')' on error.  Flag GNU style
	rest args macro definitions.
	(parse_define): Check macro name is not __VA_ARGS__.
	(save_expansion): Check identifier in non-varargs-macro is
	not __VA_ARGS__.  Don't flag GNU_VARARGS.
	* cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
	(maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
	 than per-token GNU_VARARGS.
	* cpplib.h (GNU_VARARGS): Remove.
	(GNU_REST_ARGS): New.

Sat Jul  8 01:38:25 MET DST 2000  Jan Hubicka  <jh@suse.cz>

	* i386.md (call_pop, call, call_value_pop): Do not set
	current_function_uses_pic_offset_table for calls to static
	functions or indirect calls.

2000-07-07  Jim Wilson  <wilson@cygnus.com>

	* config/ia64/ia64.c (rws_access_reg): New local write_count.  If
	is_predicate_reg, then take max write_count of register pair.

2000-07-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* tradcpp.c (main): Rename label `include' to `add_include' to
	avoid conflicts with variable `include' in traditional C.

2000-07-07  Jakub Jelinek  <jakub@redhat.com>

	* integrate.c (copy_insn_list): Remove REG_LABEL notes.

2000-07-07  Jakub Jelinek  <jakub@redhat.com>

	* sibcall.c (uses_addressof): Add INMEM argument, check for
	current_function_internal_arg_pointer outside of MEM rtxs in addition
	to ADDRESSOFs.
	(sequence_uses_addressof): Update caller.

2000-07-07  Zack Weinberg  <zack@wolery.cumb.org>

	* tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
	and friends.

2000-07-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* system.h (UNION_INIT_ZERO): New macro for initializing union
	members in structs.

	* cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.

2000-07-07  Neil Booth  <NeilB@earthling.net>

	* cpp.texi: Update.

Fri Jul  7 07:47:35 2000  Jeffrey A Law  (law@cygnus.com)

	* final.c (final): Detect out of bounds array access to
	the insn_lengths array.

2000-07-07  Kazu Hirata  <kazu@hxi.com>

	* fold-const.c (fold): Fix a comment typo.

2000-07-07  Neil Booth  <NeilB@earthling.net>

	* cpp.texi: Update to new lexer.

2000-07-06  Zack Weinberg  <zack@wolery.cumb.org>

	* tradcpp.c: New file.
	* tradcif.y: New file.
	* tradcif.c: New generated file.

	* Makefile.in: Add rules to build tradcpp.o, tradcif.o,
	$(srcdir)/tradcif.c.  Add tradcpp to STAGESTUFF and
	dependencies of C.  Install tradcpp from install-common, in
	$(libsubdir).

2000-07-06  Zack Weinberg  <zack@wolery.cumb.org>

	* cppinit.c: Include cppdefault.h.  Refer to
	cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
	to GCC_INCLUDE_DIR and its length.
	(SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
	USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
	STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT):  Move to
	cppdefault.h.
	(include_defaults_array): Move to cppdefault.c.

	* cppdefault.h: New file.
	* cppdefault.c: New file.

	* Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
	(cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
	(cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
	this file.

Thu Jul  6 18:30:36 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* reload.c (push_reload): When seeing if can reuse a register,
	check extra registers against widest of INMODE and OUTMODE.

2000-07-06  Neil Booth  <NeilB@earthling.net>

	* cpplib.c: (_cpp_parse_assertion):  Perform hash lookups
	based on full length of predicate.

2000-07-06  Hans-Peter Nilsson  <hp@axis.com>

	* timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
	[NEED_DECLARATION_GETRUSAGE]: Declare getrusage.

2000-07-05  Kazu Hirata  <kazu@hxi.com>

	* h8300-proto.h: Fix formatting.
	* h8300.c: Likewise.
	* h8300.h: Likewise.

2000-07-05  Jim Wilson  <wilson@cygnus.com>

	* config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
	CCmode.

2000-07-05  Rodney Brown  <RodneyBrown@pmsc.com>

	* invoke.texi: Fix minor typos
	* md.texi: Fix minor typos

2000-07-05  Zack Weinberg  <zack@wolery.cumb.org>

	* cpplib.c (_cpp_parse_assertion): Fix buffer overrun.

2000-07-04  Zack Weinberg  <zack@wolery.cumb.org>

	* cpplex.c: Don't include sys/mman.h.
	(cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.

	* cpplib.c: Include sys/mman.h and obstack.h.
	(cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
	obstack.
	(cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
	(_cpp_unwind_if_stack): Now static, unwind_if_stack.  Don't
	bother freeing if stack entries (they will be freed with their buffer).
	(do_endif): Free if stack entries from the buffer obstack.
	(push_conditional): Allocate if stack entries from the buffer obstack.

	(find_answer): Rename to _cpp_find_answer.
	(do_assert, do_unassert): Update.

	* cpphash.h: Update prototypes.
	(xobnew): New convenience macro.
	* cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
	Update comments.
	(struct cpp_hashnode): Remove disabled field.

	* cppinit.c: Don't include hashtab.h or splay-tree.h.
	(report_missing_guard): Moved to cppfiles.c.
	(cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
	cpp_init_includes.
	(cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
	cpp_cleanup_includes.  Don't destroy hashtab or
	all_include_files here.
	(cpp_finish): Use _cpp_report_missing_guards.

	* cppfiles.c (report_missing_guard): Moved from cppinit.c.
	(_cpp_init_include_table): Rename _cpp_init_includes.
	(_cpp_cleanup_includes, _cpp_report_missing_guards): New.

	* cppexp.c (parse_assertion): Update for new name of
	find_answer.

	* Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.

2000-07-04  Zack Weinberg  <zack@wolery.cumb.org>

	* cpplib.c (do_ident): s/VSPACE/EOF/

2000-07-05  Neil Booth  <NeilB@earthling.net>

	* cpplex.c: Fix trigraph replacement within strings.

2000-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.

	* xcoffout.c (assign_type_number): Constify.
	(xcoffout_source_file): Add static prototype.  Don't needlessly
	cast away const-ness.

2000-07-04  Jason Merrill  <jason@redhat.com>

	* frame.h (frame_state): Move base_offset to end.

Mon Jul  3 21:31:43 2000  Clinton Popetz  <cpopetz@cygnus.com>

	* calls.c (emit_library_call_value_1): Revert previous change.

2000-07-03  Zack Weinberg  <zack@wolery.cumb.org>

	* fix-header.c (struct partial_proto): Remove unnecessary fields.
	(recognized_extern, recognized_function, read_scan_file):
	Update for new scheme.
	(check_protection): It's still a multiple include guard even
	if it doesn't always trigger.
	* scan-decls.c (skip_to_closing_brace, scan_decls): Update for
	new scheme.
	* scan.h: Declare struct cpp_token.  Update prototypes.

2000-07-03  Neil Booth  <neilb@earthling.net>
	    Zack Weinberg  <zack@wolery.cumb.org>

	Complete overhaul of the lexer and macro expander.

	* cpphash.c (object_defn, funct_defn, push_macro_expansion,
	arg, arglist, argdata, reflist, collect_objlike_expansion,
	collect_funlike_expansion, collect_params,
	warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
	unsafe_chars, macarg, compare_defs, special_symbol,
	scan_arguments, stringify, funlike_macroexpand,
	_cpp_quote_string, monthnames): Delete.
	(cpp_lookup, _cpp_free_definition, dump_funlike_macro,
	_cpp_create_definition, _cpp_dump_definition,
	dump_hash_helper): Adjust.
	(find_param, count_params, parse_define, var_args_str,
	check_macro_redefinition, save_expansion): New.

	* cpplex.c (skip_block_comment, skip_line_comment, parse_name,
	parse_string, output_line_command, trigraph_replace,
	lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
	cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
	cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
	_cpp_skip_rest_of_line): Modify.

	(maybe_macroexpand, skip_comment, copy_comment, skip_string,
	find_position, null_warning, bump_column, expand_name_space,
	pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
	_cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
	_cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
	_cpp_prescan): Delete.

	(dump_param_spelling, process_directive, lex_next,
	is_macro_disabled, stringify_arg, expand_context_stack,
	output_token, make_string_token, alloc_number_token,
	special_symbol, duplicate_token, maybe_paste_with_next,
	can_paste, prevent_macro_expansion, restore_macro_expansion,
	get_temp_token, release_temp_tokens, quote_string,
	token_names, token_spellings, _cpp_expand_name_space,
	_cpp_glue_header_name, _cpp_reserve_name_space,
	digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
	placemarker_token, eof_token, cpp_context, macro_args,
	get_raw_token, parse_arg, parse_args, save_token,
	push_arg_context, push_macro_context, pop_context,
	do_pop_context, free_macro_args, _cpp_get_line,
	_cpp_run_directive): New.

	* cpplib.c (validate_else, parse_include, push_conditional,
	pass_thru_directive, read_line_number, parse_ifdef,
	detect_if_not_defined, _cpp_check_directive, do_define,
	do_undef, do_include, do_import, do_include_next, do_error,
	do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
	top_pragmas, do_pragma_gcc, do_pragma_implementation,
	do_pragma_poison, do_pragma_system_header,
	do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
	dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
	do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
	cpp_defined): Update for new scheme.
	(strtoul_for_line, get_define_node, dump_macro_name,
	_cpp_check_linemarker, _cpp_parse_assertion): New.
	(_cpp_handle_directive, do_pragma_default): Delete.

	* cpphash.h (struct predicate): Now struct answer.
	(enum spell_type, struct token_spelling, struct directive,
	directive_handler): New.
	Update prototypes.  Remove unused macros.
	* cpplib.h: Update prototypes.  Remove unused macros,
	structure definitions, and fields.

	* cpperror.c (print_containing_files, v_message): Adjust.
	* cppexp.c (parse_assertion, lex, parse_escape,
	_cpp_parse_expr): Adjust.
	* cppfiles.c (open_include_file, _cpp_execute_include,
	_cpp_compare_file_date, cpp_read_file, read_include_file):
	Adjust.
	* cppinit.c (dump_special_to_buffer): Delete.
	(append_include_chain, merge_include_chains, cpp_reader_init,
	cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
	cpp_finish, handle_option, print_help): Adjust.
	* cppmain.c (main): Adjust.

2000-07-03  Zack Weinberg  <zack@wolery.cumb.org>

	* cppspec.c (lang_specific_driver): Use double quotes in error
	message.

Mon Jul  3 16:53:43 2000  Clinton Popetz  <cpopetz@cygnus.com>

	* calls.c (emit_library_call_value_1): Use valreg instead
	of hard_libcall_value.

2000-07-03  Geoff Keating  <geoffk@cygnus.com>

	* config/rs6000/rs6000.c (rs6000_emit_move): New function.
	* config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
	* config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
	(movhi): Likewise.
	(movqi): Likewise.
	(movdf): Likewise.
	(movsf): Likewise.
	(movdi): Likewise.
	(movti): Likewise.

	* expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
	mode instead of wider_mode is being used.

2000-07-03  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
	of 'r'. Use q_regs_operand.
	(andsi_1+2): Use q_regs_operand.

2000-07-03  Jakub Jelinek  <jakub@redhat.com>

	* builtins.c (get_memory_rtx): Always put into alias set 0.

2000-07-03  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.md: Fix post increment and pre increment
	peepholes so that they do not generate UNPREDICATBLE opcodes.
	(ie ones where the increment clobbers the source/destination).

2000-07-01  Marek Michalkiewicz  <marekm@linux.org.pl>

	* config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
	change too big for -mtiny-stack" a warning, if larger than 63.
	(out_set_stack_ptr): Change the logic so -mno-interrupts is
	always safe to use on possible future devices.
	(function_prologue): Write SPH before SPL, for consistency.
	If interrupt_func_p true, we know we have enabled interrupts.
	(avr_num_arg_regs): New function.  Round up to even number of
	bytes if no -mpack-args or if calling a libgcc function.
	(function_arg, function_arg_advance): Use it.
	(output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
	Output "movw" if available.
	(out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
	of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
	(asm_output_section_name): Add blanks for consistent output.
	(encode_section_info): Set TREE_READONLY for progmem data to
	avoid gas warnings about changed section attributes.
	(avr_hard_regno_mode_ok): Force non-QImode data to start in
	even numbered registers on devices with "movw".
	* config/avr/avr.h (MASK_*): Define bits for target_flags.
	(TARGET_SWITCHES): Mark help strings for translation.
	Add new -mpack-args and -menhanced switches.
	(TARGET_OPTIONS): Mark help strings for translation.
	(progmem_section): Add section attributes.
	* config/avr/avr.md (*movhi, call_insn, call_value_insn):
	Output "movw" if available.
	(mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
	New patterns.
	* config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
	call convention (arguments aligned on even registers).
	(_cleanup, _exit): Make weak symbols libc can override.

2000-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* fp-bit.h: New file.

	* fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
	Comment #endif statements.
	(__thenan_sf, __thenan_df): Add missing braces around initializer.

Mon Jul  3 00:32:47 2000  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (compute_pre_data): Compute ae_kill using other local
	properties instead of calling compute_ae_kill.

	* alias.c (init_alias_analysis): Do not call
	prologue_epilogue_contains until after reload has completed.

2000-07-02  Benjamin Chelf  <chelf@codesourcery.com>

	* c-common.h (genrtl_begin_compound_stmt): Remove declaration.
	(genrtl_finish_compound_stmt): Likewise.
	(genrtl_compound_stmt): Change to return void.

	* c-semantics.c (genrtl_begin_compound_stmt): Remove function and
	move code from here to ...
	(genrtl_compound_stmt): ... here.
	(genrtl_finish_compound_stmt): Remove.
	(expand_stmt): Add comment.

2000-07-02  Zack Weinberg  <zack@wolery.cumb.org>

	* c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
	and VOID_TYPE_P.

2000-07-02  Jakub Jelinek  <jakub@redhat.com>

	* cpplib.h (struct cpp_reader): New field include_depth.
	(struct cpp_printer): Rename last_bsd to last_id.
	* cppfiles.c (read_include_file): Bump include_depth.
	* cpplex.c (cpp_pop_buffer): Decrement include_depth.
	(output_line_command): Output correct #line if a header
	is including itself and is not protected against multiple inclusion.
	Use include_depth instead of buffer_stack_depth, last_id instead of
	last_bsd.
	* cppinit.c (cpp_start_read): Initialize last_id instead of
	last_bsd.

2000-07-01  Benjamin Chelf  <chelf@codesourcery.com>

	* Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
	(c-semantics.o): New target.

	* c-common.h (TREE_LANG_FLAG_?): Added documentation.
	(genrtl_do_pushlevel): Moved from cp/cp-tree.h.
	(genrtl_clear_out_block): Likewise.
	(genrtl_goto_stmt): Likewise.
	(genrtl_expr_stmt): Likewise.
	(genrtl_decl_stmt): Likewise.
	(genrtl_if_stmt): Likewise.
	(genrtl_while_stmt): Likewise.
	(genrtl_do_stmt): Likewise.
	(genrtl_return_stmt): Likewise.
	(genrtl_for_stmt): Likewise.
	(genrtl_break_stmt): Likewise.
	(genrtl_continue_stmt): Likewise.
	(genrtl_scope_stmt): Likewise.
	(genrtl_switch_stmt): Likewise.
	(genrtl_case_label): Likewise.
	(genrtl_begin_compound_stmt): Likewise.
	(gerntl_finish_compound_stmt): Likewise.
	(genrtl_compound_stmt): Likewise.
	(genrtl_asm_stmt): Likewise.
	(genrtl_decl_cleanup): Likewise.
	(DECL_ANON_UNION_ELEMS): Likewise.
	(emit_local_var): Likewise.
	(make_rtl_for_local_static): Likewise.
	(expand_cond): Likewise.
	(expand_stmt): Likewise.
	(c_expand_return): Likewise.
	(c_expand_start_case): Likewise.
	(do_case): Likewise.
	(COMPOUND_STMT_NO_SCOPE): Likewise.
	(c_expand_asm_operands): Likewise.
	(NEW_FOR_SCOPE_P): New macro.
	(expand_expr_stmt_fn): New type.

	(set_current_function_name_declared): Likewise.
	(current_function_name_declared): Likewise.
	(lang_expand_stmt): Likewise.
	(stmts_are_full_exprs_p): Likewise.
	(anon_aggr_type_p): Likewise.
	(lang_expand_expr_stmt): Likewise.
	(build_case_label): Likewise.

	* c-decl.c (lang_expand_expr_stmt): Initialize.
	(stmts_are_full_exprs_p): Define.
	(current_function_name_declared): Likewise.
	(do_case): Likewise.
	(lang_expand_stmt): Likewise.
	(set_current_function_name_declared): Likewise.
	(anon_aggr_type_p): Likewise.

	* c-semantics.c: New file.
	(expand_cond): Moved from cp/semantics.c.
	(genrtl_do_pushlevel): Likewise.
	(genrtl_clear_out_block): Likewise.
	(genrtl_goto_stmt): Likewise.
	(genrtl_expr_stmt): Likewise.
	(genrtl_decl_stmt): Likewise.
	(genrtl_if_stmt): Likewise.
	(genrtl_while_stmt): Likewise.
	(genrtl_do_stmt): Likewise.
	(genrtl_return_stmt): Likewise.
	(genrtl_for_stmt): Likewise.
	(genrtl_break_stmt): Likewise.
	(genrtl_continue_stmt): Likewise.
	(genrtl_scope_stmt): Likewise.
	(genrtl_switch_stmt): Likewise.
	(genrtl_case_label): Likewise.
	(genrtl_begin_compound_stmt): Likewise.
	(genrtl_finish_compound_stmt): Likewise.
	(genrtl_compound_stmt): Likewise.
	(genrtl_asm_stmt): Likewise.
	(genrtl_decl_cleanup): Likewise.
	(make_rtl_for_local_static): Moved from cp/decl.c.
	(emit_local_var): Likewise.
	(expand_stmt): Define.

	* c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
	(c_expand_return): Likewise.
	(c_expand_start_case): Likewise.

2000-07-01  Richard Henderson  <rth@cygnus.com>

	* config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
	with the low 13 bits set.
	(move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
	* config/ia64/ia64.md (movdi): Likewise.  Expand a CONST with one
	of the low 13 bits into a CONST plus an adddi3.
	(load_symptr): Set RTX_UNCHANGING_P.

See ChangeLog.3 for earlier changes.