path: root/gcc/ChangeLog

2001-07-17  Richard Henderson  <rth@redhat.com>

	* c-typeck.c (build_binary_op): Do not shorten unsigned
	right shift after sign extension.

Tue Jul 17 16:56:05 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* combine.c (combine_simplify_rtx): Attempt to simplify
	a*(b/c) as (a*b)/c for floats in unsafe_math mode.

	* simplify-rtx.c (avoid_constatn_pool_reference): New static function.
	(simplify_binary_operation, simplify_unary_operation,
	 simplify_relational_operation): Use it.

	* combine.c (combine_simplify_rtx): Don't do associative law
	on divisions; allow associative law on floats.

2001-07-17  H.J. Lu <hjl@gnu.org>
	    Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>

	* c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
	ASM_OUTPUT_WEAK_ALIAS are defined.
	* defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
	* config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
	Moved ...
	* config/mips/iris5.h: ... here.
	(HANDLE_SYSV_PRAGMA): Defined as 1.
	* varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
	* doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
	symbol.

2001-07-17  Joseph S. Myers  <jsm28@cam.ac.uk>

	* c-parse.in (all_prefix_attributes): New variable.
	(PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
	(maybe_resetattrs): New production.
	(c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
	maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
	notype_initdcl, nested_function, notype_nested_function,
	component_decl, components, components_notype,
	component_declarator, component_notype_declarator,
	absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
	ivars, mydecl, myparm): Update.  Avoid prefix attributes just
	after a comma being applied to more than one declarator.
	* doc/extend.texi (Attribute Syntax): Update.  Remove
	documentation of bugs that are no longer present.

2001-07-13  Eric Christopher  <echristo@redhat.com>

	* config/mips/mips.h: Change TUNE_MIPS* options to use
	mips_tune.
	(EXTRA_SPECS): Add cc1_cpu_spec.
	* config/mips/mips.md (muldf3): Fix typo.

2001-07-16  Richard Henderson  <rth@redhat.com>

	* config/m68k/m68k.c: Include expr.h and reload.h.
	(print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
	[general int]: Use HOST_WIDE_INT_PRINT_DEC.

2001-07-16  Daniel Berlin  <dan@cgsoftware.com>
	    Richard Henderson  <rth@redhat.com>

	* cse.c (set_live_p): Take INSN argument for cc0; update callers.
	(insn_live_p): Fix fall off end of function.
	(dead_libcall_p): Remove COUNTS argument; update callers.
	(delete_trivially_dead_insns): Remove unused variables.

2001-07-17  Andreas Jaeger  <aj@suse.de>

	* config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
	x86-64 pic support.

	* lcm.c (optimize_mode_switching): Avoid warning for unused
	variable if !NORMAL_MODE.

	* flow.c (try_crossjump_to_edge): Remove unused variable.

2001-07-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>

	* inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
	atexit declaration in stdlib.h.

2001-07-16  Richard Begg  <Richard.Begg@colesmyer.com.au>

	* fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h

Mon Jul 16 22:48:00 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
	* except.c (finish_eh_generation): Update call of cleanup_cfg;
	do rebuild_jump_labels instead of jump_optimize
	* sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
	* toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
	* flow.c (try_optimize_cfg): Remove unneeded code_labels.

	* flow.c: Include timevar.h
	(find_basic_block): Push/pop timevar;
	(cleanup_cfg): Likewise.
	* timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
	* Makefile: Add dependencies on timevar.h

	* integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
	(copy_insn_list): Avoid killing of BASIC_BLOCK notes.

	* rtl.h (delete_trivially_dead_insns): Add new parameter.
	* toplev.c (rest_of_compilation): Update calls.
	* cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
	(delete_trivially_dead_insns): ... here; accept new argument
	preserve_basic_blocks; preserve basic blocks if set.

	* reg-stack.c (stack_regs_mentioned): Return 0 if
	stack_regs_mentioned_data is not initialized.
	(reg_to_stack): Make stack_regs_mentioned survive after the
	reg-stack is completted; do not call cleanup_cfg.
	* toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
	make cleanup_cfg after bb-reorder to output to debug file.

2001-07-16  Richard Henderson  <rth@redhat.com>

	* regclass.c (init_reg_sets): Use only 32 bits per initializer
	from int_reg_class_contents.

2001-07-16  Richard Henderson  <rth@redhat.com>

	* hard-reg-set.h (regs_invalidated_by_call): Declare.
	* regclass.c (regs_invalidated_by_call): Move from cse.c.
	(init_reg_sets_1): Move initialization from cse_main.
	* cse.c (regs_invalidated_by_call): Move to regclass.c.
	(cse_main): Move its initialization also.
	* df.c (df_insn_refs_record): Use regs_invalidated_by_call.
	* flow.c (propagate_one_insn): Likewise.
	* gcse.c (compute_hash_table): Likewise.
	(compute_kill_rd, compute_store_table): Likewise.
	* sched-deps.c (sched_analyze_1): Likewise.

Mon Jul 16 18:07:07 2001  J"orn Rennecke <amylaar@redhat.com>

	* gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
	gen_rtx_SET.

2001-07-16  Steve Ellcey <sje@cup.hp.com>

	* dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
	in if statement so we don't access undefined memory.

2001-07-16  Daniel Berlin  <dan@cgsoftware.com>

	* gcse.c: Update comment at top.
	Update comment on mem handling.
	mem_last_set, mem_first_set, mem_set_in_block: gone.
	Declaration of reg_set_info: gone.
	(oprs_unchanged_p): Don't use mem_*set_* anymore. They are
	pointless with load_killed_in_block_p (they are *more*
	conservative then it, not less, and less accurate).
	(oprs_not_set_p): Ditto.
	(alloc_gcse_mem): Don't allocate mem_set_in_block
	(free_gcse_mem): Don't free it, either.
	(record_last_mem_set_info): Update comment in front, remove
	mem_*set_* stuff. Note the reason we don't handle stores directly
	here.
	(compute_hash_table): Update comments to reflect reality. Remove
	mem_*set_* references.
	(reset_opr_set_tables): Remove mem_*set_* references.
	(mark_call): Ditto.
	(mark_set): Ditto.  Also remove double sets of bitmaps for REG's.
	(mark_clobber): Ditto (on both parts, we double set here too).
	(expr_killed_p): Remove mem_set_in_block test.
	(compute_transp): Remove mem_set_in_block test.

	* ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
	of edge, and removal of phi alternative to dump file.
	(ssa_ccp_substitute_constants): Add note about register now being
	constant, and which uses were replaced in what insns to dump file.

2001-07-16  Andreas Jaeger  <aj@suse.de>

	* gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
	variables of type HOST_WIDEST_INT.

	* libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
	(__bb_exit_func): Correct type of count_max to avoid overflow.
	(num_digits): Handle long long argument.

	* combine.c (gen_lowpart_for_combine): Remove unused variable.

2001-07-16  Neil Booth  <neil@cat.daikokuya.demon.co.uk>

	* output.h (sdb_begin_function_line): Restore as an extern
	variable.
	* sdbout.c (sdb_begin_function_line): Make extern.

2001-07-15  Richard Henderson  <rth@redhat.com>

	* machmode.def (Pmode): Redefine if GENERATOR_FILE.
	* genrecog.c (maybe_both_true_mode): New.
	(maybe_both_true_2): Use it.
	(write_switch): Don't put Pmode in a switch.
	* rtl.c (mode arrays): Don't explicitly size them.

Sun Jul 15 14:07:36 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* toplev.c (rest_of_compilation): Fix register_life_up_to_date
	handling; move unconditional splitting before mode switching.

	* i386.md (type): Add fistp type.
	(i387, length_attr, scheduling definitions): Handle this type.
	(fix_trunc?f?i2): Revamp to use mode switching.
	(fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
	* i386.h (fp_cw_mode): New enum
	(OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
	MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.

Sun Jul 15 12:53:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* Makefile.in (integrate.o): Add debug.h.
	* integrate.c (debug.h): Add.
	(output_inline_function): Save, reset, and restore debug_hooks.

2001-07-15  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
	instead of COMPARE for the EQUIV expression.

2001-07-15  Richard Henderson  <rth@redhat.com>

	* flow.c (redirect_edge_and_branch_force): Initialize
	global_live_at_start and global_live_at_end.
	(allocate_bb_life_data): Export.
	* basic-block.h (allocate_bb_life_data): Declare.
	* toplev.c (rest_of_compilation): Call it.

2001-07-15  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
	(alpha_tablejump_best_label): New.
	* config/alpha/alpha-protos.h: Declare them.
	* config/alpha/alpha.md: Use braced strings for code blocks.
	(tablejump_osf): Break out add with r29.
	(tablejump_osf_internal): Remove.
	(tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
	use alpha_tablejump_addr_vec and alpha_tablejump_best_label.

Sun Jul 15 00:53:35 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
	of the movable.

	* toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.

	* i386-protos.h (ix86_split_fp_branch): Update prototype.
	(ix86_fp_jump_nontrivial_p): New.
	* i386.md (fp_jcc_?): Update call of split_fp_branch;
	use ix86_fp_jump_nontrivial_p.
	* i386.c (ix86_fp_jump_nontrivial_p): New.
	(ix86_split_fp_branch): Accept code instead of rtx.
	(ix86_expand_compare): Expand comparison early in case
	doing so is resonably cheap.

2001-07-15  Nick Clifton  <nickc@cambridge.redhat.com>

	* config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
	not 'machine'.
	(CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
	(CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.

2001-07-15  Neil Booth  <neil@daikokuya.demon.co.uk>

	* dbxout.c (dbxout_source_line): Make static, update prototype.
	(dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
	(dbxout_init, dbxout_finish, dbxout_source_line,
	dbxout_begin_block, dbxout_end_block): Update for new prototypes.
	* dbxout.h (dbxout_source_line): Delete.
	* debug.c (debug_nothing_file, debug_nothing_file_int,
	debug_nothing_file_charstar_rtx): New.
	(do_nothing_debug_hooks): Update.
	(debug_nothing_void, debug_nothing_charstar_rtx,
	dwarf2out_end_epilogue): New.
	(debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
	* debug.h (struct rtx_def): Declare.
	(gcc_debug_hooks): New hooks source_line, end_epilogue
	and end_function.
	(debug_nothing_void, debug_nothing_charstar_rtx,
	dwarf2out_end_epilogue): New.
	(debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
	* dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
	(dwarf2_debug_hooks): Update.
	(dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
	dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
	* dwarf2out.h (dwarf2out_source_line): Remove.
	* dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
	Make static, update prototype.
	(dwarfout_init, dwarfout_finish, dwarfout_source_line,
	dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
	(dwarf_debug_hooks): Update.
	* dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
	dwarfout_end_function): Remove.
	* final.c (profile_function): Use debug hooks for ending functions
	and epilogues.
	(output_source_line, final_end_function): Update prototype,
	use debug hooks.
	(final_start_function, final_scan_insn): Update.
	* output.h (sdb_begin_function_line): Remove.
	(final_end_function): Update prototype.
	* sdbout.c (sdb_begin_function_line): Make static.
	(PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
	(sdbout_source_line): New.
	(sdbout_end_epilogue, sdbout_end_function): Make static, update
	prototypes.
	(sdb_debug_hooks): Update.
	(sdbout_init, sdbout_source_line,
	sdbout_begin_block, sdbout_end_block): Update for new prototypes.
	* sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
	* toplev.c (compile_file, rest_of_compilation): Update.
	* tree.h (dwarf2out_end_epilogue): Move to debug.h.
	* xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
	xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
	Update for prototype changes.
	* xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
	xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.

2001-07-15  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.h (TARGET_ABI_OSF): New.
	(TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
	* config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
	* config/alpha/alpha.c: Likewise.
	* config/alpha/alpha.md: Likewise.
	* config/alpha/alpha32.h: Likewise.
	* config/alpha/vms.h: Likewise.
	(OPEN_VMS): Remove.

2001-07-14  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.md: Use define_constants for unspec values.
	Substitute throughout.

2001-07-14  Tim Josling  <tej@melbpc.org.au>

	* tree.def (EXPON_EXPR) remove. Never supported anyway.

2001-07-14  John David Anglin  <dave@hiauly1.hia.nrc.ca>

	* pa.md: Remove unused constraints from define_split's.

2001-04-14  Richard Henderson  <rth@redhat.com>

	* ifcvt.c (find_cond_trap): Test for exit block.

Sun Jul 15 00:50:20 CEST 2001  Jan Hubicka  <jh@suse.cz>

	Re-install recently reverted patch.
	* emit-rtl.c (try_split): Update mark_jump_label call.
	* flow.c (find_sub_basic_blocks): Likewise.
	* jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
	jump_back_p): Kill.
	(mark_all_labels): Kill second parameter.
	(jump_optimize, jump_optimize_1): Kill cross_jump parameter.
	(rebuild_jump_labels, jump_optimize_minimal): Update call
	of jump_optimize_1.
	(jump_optimize_1): Kill crossjumping code.
	(mark_jump_label): Kill cross_jump parameter.
	* rtl.h (mark_jump_label, jump_optimize): Update prototypes.
	(JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
	* reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
	 splitting.
	* toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
	DFI_bpro.
	(dump_file_info): Likewise.
	(rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
	reorganize passes to do reg-stack first, bb-reorder second.
	* invoke.texi (-d letters doc): Remove the jump2 pass.

2001-07-14  Richard Henderson  <rth@redhat.com>

	* ifcvt.c (find_cond_trap): New.
	(find_if_header): Call it.
	(merge_if_block): Relax existing jump sanity check.
	* jump.c (jump_optimize_1): Remove conditional trap handling.

2001-07-14  Alan Modra  <amodra@bigpond.net.au>

	* config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
	millicode.
	(insn_refs_are_delayed): Correct comment.
	* config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
	* config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
	instead of r31.  Make associated insn !TARGET_64BIT, and
	provide an additional 64-bit insn that clobbers r2.
	(divsi3): Likewise.
	(udivsi3): Likewise.
	(modsi3): Likewise.
	(umodsi3): Likewise.

Sat Jul 14 02:58:38 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* bb-reorder.c (skip_insn_after_block): Get past the line number notes.

	* flow.c (redirect_edge_and_branch_force, split_edge,
	try_crossjump_to_edge): Use set_block_for_new_insns.
	* bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.

2001-07-13  H.J. Lu  (hjl@gnu.org)

	* config/elfos.h (UNIQUE_SECTION): Enable .bss section with
	the correct patch.

2001-07-13  Geoffrey Keating  <geoffk@redhat.com>

	Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.

2001-07-13  Joseph S. Myers  <jsm28@cam.ac.uk>

	* c-common.c (decl_attributes): Take a pointer to the node to
	which attributes are to be attached, and a flags argument.
	* c-common.h (enum attribute_flags): New.
	(decl_attributes): Update prototype.
	* c-decl.c (start_decl, push_parm_decl, finish_struct,
	finish_enum, start_function): Update calls to decl_attributes.
	* c-parse.in (component_declarator, component_notype_declarator,
	label): Update calls to decl_attributes.

Fri Jul 13 23:04:00 2001  Denis Chertykov  <denisc@overta.ru>

	* config/avr/avr.md (strlenhi): PARALLEL keyword removed.
	* config/avr/avr.c (legitimate_address_p): Return value changed
	from letter to register classes. For better debugging.

2001-07-13  Kazu Hirata  <kazu@hxi.com>

	* jump.c (reversed_comparison_code_parts): Fix comment typos.

2001-07-13  H.J. Lu  (hjl@gnu.org)

	* config/elfos.h (UNIQUE_SECTION): Enable .bss section.

2001-07-13  Marc Espie  <espie@cvs.openbsd.org>

	* config.gcc (*-*-openbsd*):  Add fragment to compile libgcc
	correctly for shared configurations.
	* config/t-libgcc-pic:  New.
	* config/{i386,m68k,sparc}/t-openbsd:  New.
	* config/openbsd.h:  Include cpu_spec in cpp_spec where needed.
	Support -shared.  Support debugging libraries with -g.
	* config/i386/openbsd.h:  Correct ASM_COMMENT_START.  Ensure dwarf2
	frame information does not emit pointer diffs.
	* config/sparc/openbsd.h:  Ensure dwarf2 frame information does not
	emit pointer diffs.

2001-07-13  Geoffrey Keating  <geoffk@redhat.com>

	Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.

2001-07-13  David Edelsohn  <edelsohn@gnu.org>

	* combine.c (try_combine): Ensure const_int pow2 is positive.

2001-07-13  Hartmut Penner  <hpenner@de.ibm.com>

	* config.gcc: Add configuration for s/390.
	* config/s390/s390.c: New. Subroutines for code generation.
	* config/s390/s390.h: New. Definitions for s/390.
	* config/s390/s390-protos.h: New. Prototypes.
	* config/s390/linux.h: New. Definitions for linux for s/390.
	* config/s390/linux64.h: New. Definitions for linux for zSeries.
	* config/s390/t-linux: New. Makefile fragment.
	* config/s390/s390.md: New. Machine description for s/390 and zSeries.
	* config/s390/fixdfdi.h: New. Fix L_fix*di.

Fri Jul 13 14:46:21 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* emit-rtl.c (try_split): Update mark_jump_label call.
	* flow.c (find_sub_basic_blocks): Likewise.
	* jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
	jump_back_p): Kill.
	(mark_all_labels): Kill second parameter.
	(jump_optimize, jump_optimize_1): Kill cross_jump parameter.
	(rebuild_jump_labels, jump_optimize_minimal): Update call
	of jump_optimize_1.
	(jump_optimize_1): Kill crossjumping code.
	(mark_jump_label): Kill cross_jump parameter.
	* rtl.h (mark_jump_label, jump_optimize): Update prototypes.
	(JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
	* reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
	 splitting.
	* toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
	DFI_bpro.
	(rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
	reorganize passes to do reg-stack first, bb-reorder second.
	* invoke.texi (-d letters doc): Remove the jump2 pass.

2001-07-12  Steve Ellcey <sje@cup.hp.com>

	* toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.

Thu Jul 12 17:57:16 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* flow.c (try_optimize_cfg): Delete whole chain of trivially dead
	basic blocks.
	(verify_flow_info): Make diagnostics prettier.

Thu Jul 12 16:48:54 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* flow.c (find_basic_blocks_1): Do not emit NOP after call.

	* flow.c (outgoing_edges_match): Return early if condition reversal
	failed.

2001-07-06  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.c (print_operand): Extend '%D' to memory operands.
	(mips_move_2words): When splitting a move into two instructions,
	prefix the second address operand with '%D'.

2001-07-12  Neil Booth  <neil@daikokuya.demon.co.uk>

	* Makefile.in (final.o): Depend on debug.h.
	* dbxout.c (dbxout_begin_block, dbxout_end_block): New.
	(dbx_debug_hooks): Add new hooks.
	(xcoff_debug_hooks): New.
	* debug.c (debug_nothing_file_int_int): New.
	(do_nothing_debug_hooks): Update.
	* debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
	(debug_nothing_file_int_int): New.
	* dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
	static, update prototype.
	(dwarf2_debug_hooks): Update.
	* dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
	* dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
	static, update prototype.
	(dwarf_debug_hooks): Update.
	* dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
	* final.c: Include debug.h.
	(final_scan_insn): Use debug hooks when beginning and ending blocks.
	* sdbout.c (sdbout_begin_block, sdbout_end_block): Make
	static, update prototype.
	(sdb_debug_hooks): Update.
	* sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
	* toplev.c: Distinguish between xcoff and dbx.

	* f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
	Call all debug hooks, not just dwarf ones.

2001-07-11  Timothy Wall  <twall@redhat.com>

	* config.gcc: Add configuration for AIX5/IA64.
	* config/ia64/aix.h: New.  AIX5/IA64-specific configuration.
	* config/ia64/crt[in].asm: New.  Generic static ctor/dtor
	support prefix/suffix code.
	* config/ia64/t-aix: New.  Makefile fragment.
	* config/ia64/unwind-aix.c: New.  Unwind table entry lookup.

2001-07-11  Kazu Hirata  <kazu@hxi.com>

	* recog.c (validate_change): Fix a comment typo.

2001-07-11  Neil Booth  <neil@daikokuya.demon.co.uk>

	* Makefile.in (c-lex.o): Wrap long lines.  Depend on debug.h.
	* c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
	hooks directly.
	* dbxout.c (dbx_debug_hooks): Add new hooks.
	(dbxout_start_new_source_file): Rename dbxout_start_source_file,
	make static.
	(dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
	make static.
	* dbxout.h (dbxout_start_new_source_file,
	dbxout_resume_previous_source_file): Delete.
	* debug.c (do_nothing_debug_hooks): Add new hooks.
	(debug_nothing_init_finish): Rename debug_nothing_file_charstar.
	(debug_nothing_int_charstar, debug_nothing_int): New.
	* debug.h (gcc_debug_hooks): New hooks define, undef,
	start_source_file and end_source_file.
	(debug_nothing_init_finish): Rename debug_nothing_file_charstar.
	(debug_nothing_int_charstar, debug_nothing_int): New.
	* dwarf2out.c (dwarf2_debug_hooks): Add new hooks.  Move into
	the conditionally compiled section.
	(dwarf2out_start_source_file, dwarf2out_end_source_file,
	dwarf2out_define, dwarf2out_undef): Make static.
	* dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
	dwarf2out_define, dwarf2out_undef): Remove.
	* dwarfout.c (dwarf_debug_hooks): Add new hooks.
	(dwarfout_start_source_file, dwarfout_end_source_file,
	dwarfout_define, dwarfout_undef): Make static.
	(dwarfout_start_source_file_check,
	dwarfout_end_source_file_check): New.
	(dwarfout_define, dwarfout_finish): Update.
	* dwarfout.h (dwarfout_start_new_source_file,
	dwarfout_resume_previous_source_file, dwarfout_define,
	dwarfout_undef): Remove.
	* sdbout.c (sdb_debug_hooks): Add new hooks.
	(sdbout_start_new_source_file): Rename sdbout_start_source_file,
	make static.
	(sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
	make static, take an arg.
	* sdbout.h (sdbout_start_new_source_file,
	sdbout_resume_previous_source_file): Delete.
	* toplev.c (debug_start_source_file, debug_end_source_file,
	debug_define, debug_undef): Delete.
	* toplev.h (debug_start_source_file, debug_end_source_file,
	debug_define, debug_undef): Delete.

	* java/jcf-parse.c: Include debug.h.
	(parse_class_file): Update to use debug hooks directly.
	* java/Make-lang.in (jcf-parse.o): Depend on debug.h.

Wed Jul 11 10:07:18 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* alias.c (set_mem_alias_set): New function.
	* rtl.h (set_mem_alias_set): Declare it.
	* builtins.c (expand_builtin_return_addr): Call it instead of
	using MEM_ALIAS_SET accessor.
	(expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
	(get_memory_rtx, expand_builtin_va_arg): Likewise.
	(expand_builtin_va_copy):Likewise.
	* caller-save.c (setup_save_areas): Likewise.
	* calls.c (compute_argument_addresses): Likewise.
	* explow.c (set_mem_attributes): Likewise.
	* expr.c (emit_single_push_insn, emit_push_insn): Likewise.
	(expand_assignment, store_constructor_field, store_field): Likewise.
	(expand_expr_unaligned): Likewise.
	* function.c (assign_stack_temp_for_type): Likewise.
	(put_reg_into_stack, gen_mem_addressof): Likewise.
	* ifcvt.c (noce_try_cmove_arith): Likewise.
	* reload1.c (reload, alter_reg): Likewise.
	* config/alpha/alpha.c (get_aligned_mem): Likewise.
	(alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
	(alpha_expand_unaligned_store): Likewise
	(alpha_expand_unaligned_load_words): Likewise.
	(alpha_expand_unaligned_store_words): Likewise.
	(alpha_expand_block_clear, alpha_expand_prologue): Likewise.
	(alpha_expand_epilogue): Likewise.
	* config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
	* config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
	* config/i386/i386.c (legitimize_pic_address): Likewise.
	* config/i960/i960.c (setup_incoming_varargs): Likewise.
	* config/ia64/ia64.c (spill_restore_mem): Likewise.
	* config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
	* config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
	* config/mips/mips.c (mips_va_arg): Likewise.
	* config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
	* config/pa/pa.c (hppa_builtin_saveregs): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
	(setup_incoming_varargs, rs6000_va_arg): Likewise.
	(rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
	(rs6000_emit_epilogue): Likewise.
	* config/sh/sh.c (sh_builtin_saveregs): Likewise.
	* config/sparc/sparc.c (sparc_va_arg): Likewise.
	* config/v850/v850.c (v850_va_arg): Likewise.

Wed Jul 11 21:27:25 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* flow.c (merge_blocks_move_successor_nojumps): Do not crash
	when fallthru edge is present.
	(mege_blocks): Handle case where creation of jump insn
	is required.

	* basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
	CLEANUP_POST_REGSTACK): New constants.
	* except.c (finish_eh_generation): Update call of cleanup_cfg,
	* jump.c (rtx_renumbered_equal_p): Handle 't' fields.
	* output.h (cleanup_cfg): Update prototype.
	* reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
	* sibcall.c (optimize_sibling_and_tail_recursive_call): Update
	cleanup_cfg call; kill missleading comment.
	* toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
	* flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
	parameter; control optimizations performed using it.
	(flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
	try_crossjump_bb): New functions.

2001-07-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>

	* pa.c (pa_output_function_prologue): Delete prototype.  Make function
	extern.
	* pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
	pa_output_function_prologue.
	* pa-protos.h (pa_output_function_prologue): New prototype.

2001-07-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>

	* stmt.c (emit_case_nodes): Widen high and low instead of new_bound
	and low to get correct sign extension in low+high test.

2001-07-11  Janis Johnson <janis@us.ibm.com>

	* gcov.c (arcdata): Use gcov_type to fix branch percentage
	for large hit count.

	* profile.c (branch_prob): Fix .bbg info for computed gotos
	and C++ EH code.

2001-07-11  Mark Mitchell  <mark@codesourcery.com>

	* stmt.c (parse_output_constraint): New function, split out
	from ...
	(expand_asm_operands): ... here.  Use parse_output_constraint.
	* tree.h (parse_output_constraint): Declare it.

2001-07-11  Richard Henderson  <rth@redhat.com>

	* bitmap.c: Comment some functions; fiddle whitespace.
	(bitmap_free): Don't export.
	(bitmap_element_allocate): Use memset.
	* bitmap.h (bitmap_free): Don't declare.

2001-07-11  Daniel Berlin  <dan@cgsoftware.com>

	* gcse.c, lcm.c, sched-deps.c:
	s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g

	* flow.c (flow_loops_find): Free dom if we found no loops, since
	we aren't going to save it.

	* lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
	done.

Wed Jul 11 09:00:48 2001  Jeffrey A Law  (law@cygnus.com)

	* ssa-ccp.c (ssa_fast_dce): Free worklist when completed.

Wed Jul 11 10:07:18 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
	#ifndef DWARF2_DEBUGGING_INFO.

2001-07-11  Richard Sandiford  <rsandifo@redhat.com>

	* simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.

2001-07-11  Richard Sandiford  <rsandifo@redhat.com>

	* config/mips/mips.c (gen_int_relational): Tell the caller not to
	reverse a branch if a NE comparison is implemented with GTU.

2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
	    H.J. Lu  <hjl@gnu.org>

	* mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
	constant addresses.
	(call_internal2): Likewise.
	(call_value_internal1): Likewise.
	(call_value_internal2): Likewise.
	(call_value_multiple_internal1): Likewise.
	(call_value_multiple_internal2): Likewise.

2001-07-10  Kazu Hirata  <kazu@hxi.com>

	* calls.c (emit_library_call_value_1): Fix a comment typo.
	* dwarf2out.c (mem_loc_descriptor): Likewise.
	* config/i386/i386.c (ix86_expand_aligntest): Likewise.

2001-07-11  David Billinghurst <David.Billinghurst@riotinto.com>

	* simplify-rtx.c (simplify_subreg): Fix typo in comment

Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* recog.c (offsettable_address_p): Handle LO_SUM case.
	* config/mips/mips.c (double_memory_operand): Use adjust_address_nv
	instead of plus_constant.

2001-07-10  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

	* reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
	fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.

Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
	adjust_address_nv instead of plus_constant.

2001-07-10  Neil Booth  <neil@daikokuya.demon.co.uk>

	* Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
	dwarf2out.o): Depend on debug.h, wrap long lines.
	* dbxout.c: Include debug.h.
	(dbx_debug_hooks): New.
	(dbxout_init): Make static, take just 2 args.
	(dbxout_finish): Make static.
	* dbxout.h (dbxout_init, dbxout_finish): Delete.
	* debug.c: New file.
	* debug.h: New file.
	* dwarf2out.c: Include debug.h.
	(dwarf2_debug_hooks): New.
	(dwarf2out_init): Make static.
	(dwarf2out_finish): Make static, take 2 args.
	* dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
	* dwarfout.c: Include debug.h.
	(dwarf_debug_hooks): New.
	(dwarfout_init): Make static.
	(dwarfout_finish): Make static, take 2 args.
	* dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
	* sdbout.c: Include debug.h.
	(sdb_debug_hooks): New.
	(sdbout_init): Make static, take 2 args.
	* sdbout.h (sdbout_init): Delete.
	* toplev.c: Include debug.h.
	(debug_hooks): New.
	(compile_file): Set deubg_hooks based on command line options.
	Use the hooks unconditionally rather than conditional compilation.

Tue Jul 10 09:04:45 2001  Jeffrey A Law  (law@cygnus.com)

	* ssa-ccp.c (first_phi_node): Remove.  Replace uses with calls to
	first_insn_after_basic_block_note instead.

	* df.c (df_bb_refs_unlink): #if 0 out for now.

2001-07-10  David Billinghurst <David.Billinghurst@riotinto.com

	* ssa.h: Add prototype for ssa_const_prop
	* ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
	(ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
	(ssa_fast_dce): Remove unused variable

2001-07-10  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>

	* diagnostic.c (finish_diagnostic): Rename to
	diagnostic_finish. Make it take an 'output_buffer *'.  Adjust
	calls thourghout.

2001-07-10  Jason Merrill  <jason_merrill@redhat.com>

	* dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
	.loc support.

	* collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
	(dump_file): Only pad the demangled name with spaces if the
	mangled name was padded with spaces.

2001-07-10  Bernd Schmidt  <bernds@redhat.com>

	* bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
	edge detection.

Tue Jul 10 07:27:53 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
	extraction if no direct load if either EXPAND_CONST_ADDRESS or
	EXPAND_INITIALIZER.

	* emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
	whether can put offset inside LO_SUM to check mode alignment, not size.

2001-07-10  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>

	* doc/tm.texi (Misc): Fix thinko.

2001-07-10  Jan van Male  <jan.vanmale@fenk.wau.nl>

	* regmove.c (replace_in_call_usage): Fix warnings.
	* sched-deps.c (add_dependence): Fix warnings.
	* simplify-rtx.c (simplify_subreg): Likewise.
	Return NULL_RTX instead of NULL.

	* reg-stack.c (emit_swap_insn): Eliminate warnings.
	(subst_asm_stack_regs): Likewise.

	* combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
	warnings.

	* dwarf2out.c (output_call_frame_info): Declare i as int.
	(build_abbrev_table): Declare n_alloc as int.
	(dwarf2out_finish): Initialize die.
	* except.c: Declare sjlj_funcdef_number as unsigned.
	(connect_post_landing_pads): Declare j as unsigned.
	(convert_to_eh_region_ranges): Initialize call_site.
	(output_function_exception_table): Initialize tt_format_size.
	* expr.c (move_by_pieces_1): Initialize to1.
	(store_constructor): Initialize minelt and maxelt.
	* flow.c (mark_regs_live_at_end): Declare i as unsigned.
	* function.c (instantiate_decls): Avoid signed/unsigned warning.

	* c-decl.c (combine_parm_decls): Unused, remove.
	* c-tree.h: Remove prototype for combine_parm_decls.

	* reload.c (push_reload): Fix warning.
	(regno_clobbered_p): Likewise.
	* reload1.c (replace_pseudos_in_call_usage): Likewise.
	(reload_combine): Likewise.

	* bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
	* bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
	warnings.
	* bitmap.c (bitmap_operation): Change user.
	* bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.

2001-07-10  Eric Christopher  <echristo@redhat.com>

	* config/mips/mips.c (override_options): Fix typo.

2001-07-09  Stan Shebs  <shebs@apple.com>

	* target.h (struct gcc_target): New fields init_builtins and
	expand_builtin.
	* target-def.h (TARGET_INIT_BUILTINS): New macro.
	(TARGET_EXPAND_BUILTIN): New macro.
	(TARGET_INITIALIZER): Add them.
	* builtins.c: Include target.h.
	(expand_builtin): Use targetm.expand_builtin.
	(default_init_builtins): New function.
	(default_expand_builtin): New function.
	* expr.h (default_init_builtins): Declare.
	(default_expand_builtin): Declare.
	* c-common.c (c_common_nodes_and_builtins): Use
	targetm.init_builtins.
	* defaults.h (MD_INIT_BUILTINS): Remove.
	* Makefile.in (builtins.o): Depend on target.h.

	* config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
	(TARGET_EXPAND_BUILTIN): Define.
	* config/arm/arm.h (MD_INIT_BUILTINS): Remove.
	(MD_EXPAND_BUILTIN): Remove.

	* config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
	(TARGET_EXPAND_BUILTIN): Define.
	(c4x_init_builtins): Make endlink arg a local.
	(c4x_print_operand): Fix typos in adjust_address usages.
	* config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
	* config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
	(MD_EXPAND_BUILTIN): Remove.

	* config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
	(TARGET_EXPAND_BUILTIN): Define.
	(ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
	(ix86_init_builtins): Call new function only if TARGET_MMX.
	* config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
	* config/i386/i386.h (MD_INIT_BUILTINS): Remove.
	(MD_EXPAND_BUILTIN): Remove.

	* config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
	(TARGET_EXPAND_BUILTIN): Define.
	* config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
	(MD_EXPAND_BUILTIN): Remove.

	* doc/tm.texi: Document these changes.

2001-07-09  Diego Novillo  <dnovillo@redhat.com>

	* basic-block.h (tree_node): Forward declare if needed.
	(struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
	(BLOCK_HEAD_TREE): Define.
	(BLOCK_END_TREE): Define.
	(struct loops): Rename field 'tree' to 'tree_root'.
	* flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
	'end_tree'.
	(flow_loops_tree_build): Rename reference to field 'tree' to
	'tree_root'.
	(flow_loops_level_compute): Ditto.
	* predict.c (estimate_bb_frequencies): Ditto.
	* tree.h (struct tree_common): Add field 'aux'.

2001-07-09  Stan Shebs  <shebs@apple.com>

	* config/darwin.c (darwin_encode_section_info): Don't mark any
	DECL_EXTERNAL node as defined.

2001-07-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>

	* pa.c (pa_init_machine_status, pa_mark_machine_status,
	pa_free_machine_status, hppa_init_pic_save): Delete.
	(hppa_pic_save_rtx): New.  Use get_hard_reg_initial_val.
	(hppa_profile_hook): Use hppa_pic_save_rtx.
	* pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
	hppa_init_pic_save): Delete.
	(hppa_pic_save_rtx): Declare.
	* pa.md (call, call_value, sibcall, sibcall_value,
	builtin_setjmp_receiver): Use hppa_pic_save_rtx.

2001-07-09  Kazu Hirata  <kazu@hxi.com>

	* config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
	* config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.

2001-07-09  Andreas Jaeger  <aj@suse.de>

	* output.h: Add declaration of final_forward_branch_p.

	* config/i386/i386.c (output_fix_trunc): Remove unused variable.

	* varray.c: Include errors.h for internal_error and trim_filename
	declarations.

	* Makefile.in (varray.o): Add errors.h.

2001-07-09  Toon Moene  <toon@moene.indiv.nluug.nl>

	* expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
	* optabs.c (have_add2_insn): Check whether the add insn chosen
	really accepts the operands.  (have_sub2_insn): Ditto for sub insn.
	* reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.

Mon Jul  9 13:26:40 2001  Jeffrey A Law  (law@cygnus.com)

	* Makefile.in (OBJS): Add ssa-ccp.o
	(ssa-ccp.o): Add dependencies.
	* toplev.c (DFI_ssa_ccp): New dump file enum.
	(dump_file): Add entry for dumping after SSA CCP.
	(flag_ssa_ccp): New flag variable.
	(f_options): Add -fssa-ccp.
	(rest_of_compilation): Run SSA CCP if requested.
	* timevar.def (TV_SSA_CCP): New timevar.
	* ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
	* doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
	Fix minor typo in SSA DCE documentation.
	* doc/invoke.texi: Add documentation for new flag -fssa-ccp.
	Add documentation for new dump option.  Renumber dump files
	appropriately.

Mon Jul  9 21:36:00 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* emit-rtl.c (gen_highpart_mode): New.
	* rtl.h (gen_highpart_mode): Declare.
	* sparc.md (insn splitters): Use gen_highpart_mode, whenever the
	operand can be VOIDmode constant.

Mon Jul  9 17:23:10 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* flow.c (redirect_edge_and_branch_force): New.
	(can_fallthru): Ensure that basic blocks are succeeding.
	(try_optimize_cfg): Do not delete basic block if it is the last one.

	* flow.c (try_redirect_by_replacing_jump): Do not remove
	jumps with side effects, unlink chain on fallthru edge;
	set block for new jump instruction; avoid basic block to
	over by line number note.

	* flow.c (try_simplify_condjump): Verify that the condjump
	is not always falling trought.

	Re-install patch:
	* flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.

	* flow.c (forwarder_block_p): Fix for fallthru blocks.
	(try_redirect_by_replacing_jump): Update properly the count
	and frequency information.

Mon Jul  9 06:41:07 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* emit-rtl.c (adjust_address, adjust_address_nv): Handle an
	address that is a LO_SUM specially.
	* explow.c (plus_constant_wide, case LO_SUM): Deleted.

	* c-lang.c (start_cdtor): Remove extra parameter from start_function.

	* emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
	(operand_subword): Use them.
	(change_address_1): Renamed from change_address; new arg VALIDATE.
	* expr.h: Reflect above changes; change_address now macro.
	* alias.c (canon_rtx): Use replace_equiv_address_nv instead of
	making MEM.
	* cselib.c (add_mem_for_addr): Likewise.
	* expr.c (protect_from_queue, emit_move_insn_1): Likewise.
	* regmove.c (try_apply_stack_adjustment): Likewise.
	* reload.c (push_reload, make_memloc): Likewise.
	* reload1.c (eliminate_regs): Likewise.
	* simplify-rtx.c (simplify_replace_rtx): Likewise.
	* caller-save.c (setup_save_areas): Use adjust_address_nv instead of
	adjust_addess.
	* combine.c (make_extraction, simplify_shift_const): Likewise.
	(gen_lowpart_for_combine): Likewise.
	* cse.c (gen_lowpart_if_possible): Likewise.
	* function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
	* expr.c (expand_expr, case COMPONENT_REF): Likewise.
	* optabs.c (gen_move_insn): Likewise.
	* reload1.c (alter_reg): Likewise.
	* simplify-rtx.c (simplify_subreg): Likewise.
	* stmt.c (expand_anon_union_decl): Likewise.
	* recog.c (validate_replace_rtx_1): Likewise.
	(expr.h): Include.
	* Makefile.in (recog.o): Add $(EXPR_H).
	* explow.c (stabilize): Call replace_equiv_address.
	* expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
	* final.c (alter_subreg): OFFSET is HOST_WIDE_INT.

2001-07-03  Andrew Haley  <aph@redhat.com>

	* expmed.c (store_fixed_bit_field): Don't use a mode bigger than
	the mode of the memory location.

2001-07-09  Bo Thorsen  <bo@suse.co.uk>

	* config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.

2001-07-09  Neil Booth  <neil@daikokuya.demon.co.uk>

	* final.c (output_addr_const): Use target opening and
	closing parentheses.
	* target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
	defaults, add to TARGET_ASM_OUT.
	* target.h (struct gcc_target): Add open_paren and close_paren.
	* doc/md.texi: Update.
	* doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
	TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
	TARGET_ASM_CLOSE_PAREN.
	* config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
	Override.
	* config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
	Override.
	* config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
	* config/a29k/a29k.h: Similarly.
	* config/alpha/alpha.h: Similarly.
	* config/arc/arc.h: Similarly.
	* config/arm/aof.h: Similarly.
	* config/arm/aout.h: Similarly.
	* config/avr/avr.h: Similarly.
	* config/c4x/c4x.h: Similarly.
	* config/clipper/clipper.h: Similarly.
	* config/convex/convex.h: Similarly.
	* config/d30v/d30v.h: Similarly.
	* config/dsp16xx/dsp16xx.h: Similarly.
	* config/elxsi/elxsi.h: Similarly.
	* config/fr30/fr30.h: Similarly.
	* config/h8300/h8300.h: Similarly.
	* config/i370/i370.h: Similarly.
	* config/i386/i386.h: Similarly.
	* config/i860/i860.h: Similarly.
	* config/i960/i960.h: Similarly.
	* config/ia64/ia64.h: Similarly.
	* config/m32r/m32r.h: Similarly.
	* config/m68hc11/m68hc11.h: Similarly.
	* config/m68k/m68k.h: Similarly.
	* config/m88k/m88k.h: Similarly.
	* config/mcore/mcore.h: Similarly.
	* config/mips/mips.h: Similarly.
	* config/mn10200/mn10200.h: Similarly.
	* config/mn10300/mn10300.h: Similarly.
	* config/ns32k/ns32k.h: Similarly.
	* config/pa/pa.h: Similarly.
	* config/pdp11/pdp11.h: Similarly.
	* config/pj/pj.h: Similarly.
	* config/romp/romp.h: Similarly.
	* config/rs6000/rs6000.h: Similarly.
	* config/sh/sh.h: Similarly.
	* config/sparc/sparc.h: Similarly.
	* config/v850/v850.h: Similarly.
	* config/vax/vax.h: Similarly.
	* config/we32k/we32k.h: Similarly.

2001-07-09  Joseph S. Myers  <jsm28@cam.ac.uk>

	* doc/c-tree.texi: Document representation of attributes.

2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>

	* doc/tm.texi: Update some places for the rename of target to
	targetm.  Fix typo.

2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>

	* target.h (struct gcc_target): Add insert_attributes.
	* target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
	(TARGET_INITIALIZER): Update.
	* tree.c, tree.h (default_insert_attributes): New function.
	Update comments on other default functions to refer to targetm,
	not target.
	* doc/tm.texi (INSERT_ATTRIBUTES): Update to document
	TARGET_INSERT_ATTRIBUTES.
	(SET_DEFAULT_DECL_ATTRIBUTES): Remove.
	* c-common.c (decl_attributes): Use targetm.insert_attributes.
	Don't use PRAGMA_INSERT_ATTRIBUTES.
	* Makefile.in (c-common.o): Depend on $(TARGET_H).
	* c-decl.c (start_decl, start_function): Don't call
	SET_DEFAULT_DECL_ATTRIBUTES.
	* config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
	* config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
	declare.
	* config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
	(c4x_check_attribute): Avoid modifying attribute list itself.
	(c4x_set_default_attributes): Rename to c4x_insert_attributes.
	Make static.
	* config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
	* config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
	declare.
	* config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
	(sh_pragma_insert_attributes): Rename to sh_insert_attributes.
	Make static.
	* config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
	* config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
	declare.
	* config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
	(v850_set_default_decl_attr): Rename to v850_insert_attributes.
	Adjust parameters.  Make static.

2001-07-08  Joseph S. Myers  <jsm28@cam.ac.uk>

	* c-common.c (decl_attributes): Only take a single attributes
	parameter.
	* c-common.h (decl_attributes): Update prototype.
	* c-decl.c (start_decl, start_function): Only take a single
	attributes parameter.  Update calls to decl_attributes.
	(finish_struct, finish_enum): Update calls to decl_attributes.
	(push_parm_decl): Expect unified list of attributes.  Update call
	to decl_attributes.
	* c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
	notype_nested_function, component_declarator,
	component_notype_declarator, label): Update calls to
	decl_attributes.
	(absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
	lists that are passed to push_parm_decl.
	* c-tree.h (start_function, start_decl): Update prototypes.
	* config/sh/sh-protos.h, config/sh/sh.c
	(sh_pragma_insert_attributes): Only take a single attributes
	parameter.
	* config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
	* doc/tm.texi (INSERT_ATTRIBUTES): Update.
	* objc/objc-act.c (define_decl, generate_objc_symtab_decl,
	build_module_descriptor, generate_static_references,
	generate_strings, build_selector_translation_table,
	generate_descriptor_table, generate_protocols,
	generate_ivars_list, generate_dispatch_table,
	generate_protocol_list, generate_category,
	generate_shared_structures, really_start_method, add_objc_decls,
	generate_classref_translation_entry): Update calls to start_decl
	and start_function.
	(build_tmp_function_decl, start_method_def): Unify attribute lists
	that are passed to push_parm_decl.

2001-07-08  Neil Booth  <neil@daikokuya.demon.co.uk>

	* final.c (no_asm_to_stream): New.
	(final_scan_insn): Use target structures for prologue ends
	and epilogue starts.
	* output.h (no_asm_to_stream): New.
	* target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
	TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
	(TARGET_ASM_OUT): Update.
	* target.h (struct gcc_target): New members function_end_prologue
	and function_begin_epilogue.
	* config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
	* config/alpha/alpha-protos.h (output_end_prologue): Delete.
	* config/alpha/alpha.c (output_end_prologue): Rename to
	alpha_output_function_end_prologue.  Use in target struct
	and make static.
	* config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
	* config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
	* config/ia64/ia64.c (ia64_output_end_prologue): Rename to
	ia64_output_function_end_prologue.  Use in target struct
	and make static.
	(ia64_function_prologue, ia64_funciton_epilogue): Rename
	mistyped prototypes.
	* config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
	* config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
	Delete.
	* config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
	an use in target struct, make static.
	* config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
	Delete.

2001-07-08  Richard Henderson  <rth@redhat.com>

	* stmt.c (emit_case_nodes): Convert modes properly in low+high test.

2001-07-08  Richard Henderson  <rth@redhat.com>

	* config/i386/i386.md: Remove constraints strings from define_split
	and define_peephole2 patterns.
	(eh_return_si, eh_return_di): Split eh_return_1 for modes.
	(eh_return): Use them.

2001-07-08  Richard Henderson  <rth@redhat.com>

	* doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
	Document MD_FALLBACK_FRAME_STATE_FOR.

2001-07-07  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

	* config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
	Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
	elimination.
	* config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.

2001-07-07  Nick Clifton  <nickc@cambridge.redhat.com>

	* config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
	of the label inside NAME as opposed to just the end of NAME.

2001-07-07  Neil Booth  <neil@daikokuya.demon.co.uk>

	* config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
	* config/alpha/alpha.c (alpha_init_machine_status,
	alpha_mark_machine_status, alpha_free_machine_status): Delete.
	(TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
	(vms_valid_decl_attribute_p): Make static, conditionally compile.
	* config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.

2001-07-06  Stan Shebs  <shebs@apple.com>

	* target.h (targetm): Rename global from "target", so as not to
	conflict with local variables.
	* c-decl.c: Ditto.
	* c-typeck.c: Ditto.
	* final.c: Ditto.
	* tree.c: Ditto.
	* cp/decl.c: Ditto.
	* cp/decl2.c: Ditto.
	* cp/typeck.c: Ditto.
	* 1750a/1750a.c: Ditto.
	* a29k/a29k.c: Ditto.
	* arc/arc.c: Ditto.
	* arm/arm.c: Ditto.
	* avr/avr.c: Ditto.
	* clipper/clipper.c: Ditto.
	* convex/convex.c: Ditto.
	* d30v/d30v.c: Ditto.
	* dsp16xx/dsp16xx.c: Ditto.
	* elxsi/elxsi.c: Ditto.
	* fr30/fr30.c: Ditto.
	* h8300/h8300.c: Ditto.
	* i370/i370.c: Ditto.
	* i386/i386.c: Ditto.
	* i860/i860.c: Ditto.
	* i960/i960.c: Ditto.
	* ia64/ia64.c: Ditto.
	* m32r/m32r.c: Ditto.
	* m68hc11/m68hc11.c: Ditto.
	* m68k/m68k.c: Ditto.
	* m88k/m88k.c: Ditto.
	* mips/mips.c: Ditto.
	* ns32k/ns32k.c: Ditto.
	* pa/pa.c: Ditto.
	* pdp11/pdp11.c: Ditto.
	* romp/romp.c: Ditto.
	* rs6000/rs6000.c: Ditto.
	* sh/sh.c: Ditto.
	* sparc/sparc.c: Ditto.
	* vax/vax.c: Ditto.
	* we32k/we32k.c: Ditto.
	* doc/tm.texi: Update the manual to match.

2001-07-06  Richard Henderson  <rth@redhat.com>

	* except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
	DWARF2_UNWIND_INFO not just whether it is defined.

2001-07-06  Diego Novillo  <dnovillo@redhat.com>

	* combine.c (combine_simplify_rtx): Also recompute 'mode' if the
	call to simplify_binary_operation returns a new pattern.

2001-07-06  Roman Lechtchinsky  <rl@cs.tu-berlin.de>

	* glimits.h (__SHRT_MAX__): New.
	(SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
	(SHRT_MAX): Define in terms of __SHRT_MAX__.

2001-07-06  Jan van Male  <jan.vanmale@fenk.wau.nl>

	* alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
	avoid warnings.

2001-07-06  Richard Henderson  <rth@redhat.com>

	* bitmap.c (bitmap_release_memory): Move adjacent to the
	allocation functions.
	(bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
	the implementation.  Binary search for the set bit.
	(bitmap_union_of_diff): Allocate the temporary on the stack
	instead of using xmalloc.

2001-07-06  Richard Henderson  <rth@redhat.com>

	* genrecog.c (validate_pattern): Warn for constraints in
	define_{expand,split,peephole2}.  Remove strict_low_part
	before looking up match_dup.

2001-07-06  DJ Delorie  <dj@redhat.com>

	* doc/gcc.texi (Makefile): Rename to be a more general purpose
	chapter about various build hints and history.  Add section
	talking about the various types of native and cross builds.

2001-07-06  Neil Booth  <neil@daikokuya.demon.co.uk>

	* Makefile.in (final.o): Depend on target.h.
	* final.c: Include target.h.
	(default_function_pro_epilogue): New.
	(final_start_function): Use target structure for function prologues.
	(final_end_function): Use target structure for function epilogues.
	* fold-const.c (real_hex_to_f): Constify s and p.
	* output.h (default_function_pro_epilogue): New.
	* real.h (real_hex_to_f): Update prototype.
	* target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
	TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
	(TARGET_INITIALIZER): Update.
	* target.h (gcc_target): Add struct asm_out.
	* doc/tm.texi: Update.

config:
	Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
	TARGET_ASM_FUNCTION_EPILOGUE.  Move macro code to functions
	in cpu/cpu.c, or rename old functions consistently.  Take
	a HOST_WIDE INT not an int as the SIZE parameter.  Remove now
	redundant macros and prototypes.  Make new functions static.

	* 1750a/1750a.c: Similarly.
	* 1750a/1750a.h: Similarly.
	* a29k/a29k-protos.h: Similarly.
	* a29k/a29k.c: Similarly.
	* a29k/a29k.h: Similarly.
	* arc/arc-protos.h: Similarly.
	* arc/arc.c: Similarly.
	* arc/arc.h: Similarly.
	* arm/arm-protos.h: Similarly.
	* arm/arm.c: Similarly.
	* arm/arm.h: Similarly.
	* avr/avr-protos.h: Similarly.
	* avr/avr.c: Similarly.
	* avr/avr.h: Similarly.
	* clipper/clipper-protos.h: Similarly.
	* clipper/clipper.c: Similarly.
	* clipper/clipper.h: Similarly.
	* convex/convex.c: Similarly.
	* convex/convex.h: Similarly.
	* d30v/d30v-protos.h: Similarly.
	* d30v/d30v.c: Similarly.
	* d30v/d30v.h: Similarly.
	* d30v/d30v.md: Similarly.
	* dsp16xx/dsp16xx-protos.h: Similarly.
	* dsp16xx/dsp16xx.c: Similarly.
	* dsp16xx/dsp16xx.h: Similarly.
	* elxsi/elxsi.c: Similarly.
	* elxsi/elxsi.h: Similarly.
	* fr30/fr30.c: Similarly.
	* fr30/fr30.md: Similarly.
	* h8300/h8300-protos.h: Similarly.
	* h8300/h8300.c: Similarly.
	* h8300/h8300.h: Similarly.
	* i370/i370-protos.h: Similarly.
	* i370/i370.c: Similarly.
	* i370/i370.h: Similarly.
	* i386/i386.c: Similarly.
	* i386/osf1elf.h: Similarly.
	* i386/osfrose.h: Similarly.
	* i860/i860-protos.h: Similarly.
	* i860/i860.c: Similarly.
	* i860/i860.h: Similarly.
	* i960/i960-protos.h: Similarly.
	* i960/i960.c: Similarly.
	* i960/i960.h: Similarly.
	* ia64/ia64-protos.h: Similarly.
	* ia64/ia64.c: Similarly.
	* ia64/ia64.h: Similarly.
	* m32r/m32r-protos.h: Similarly.
	* m32r/m32r.c: Similarly.
	* m32r/m32r.h: Similarly.
	* m68hc11/m68hc11-protos.h: Similarly.
	* m68hc11/m68hc11.c: Similarly.
	* m68hc11/m68hc11.h: Similarly.
	* m68k/crds.h: Similarly.
	* m68k/dpx2.h: Similarly.
	* m68k/m68k-protos.h: Similarly.
	* m68k/m68k.c: Similarly.
	* m68k/m68k.h: Similarly.
	* m68k/news.h: Similarly.
	* m88k/m88k-protos.h: Similarly.
	* m88k/m88k.c: Similarly.
	* m88k/m88k.h: Similarly.
	* mips/mips-protos.h: Similarly.
	* mips/mips.c: Similarly.
	* mips/mips.h: Similarly.
	* ns32k/merlin.h: Similarly.
	* ns32k/ns32k.c: Similarly.
	* ns32k/ns32k.h: Similarly.
	* ns32k/tek6000.h: Similarly.
	* pa/pa-protos.h: Similarly.
	* pa/pa.c: Similarly.
	* pa/pa.h: Similarly.
	* pdp11/2bsd.h: Similarly.
	* pdp11/pdp11-protos.h: Similarly.
	* pdp11/pdp11.c: Similarly.
	* pdp11/pdp11.h: Similarly.
	* romp/romp-protos.h: Similarly.
	* romp/romp.c: Similarly.
	* romp/romp.h: Similarly.
	* rs6000/rs6000-protos.h: Similarly.
	* rs6000/rs6000.c: Similarly.
	* rs6000/rs6000.h: Similarly.
	* rs6000/sysv4.h: Similarly.
	* sh/sh-protos.h: Similarly.
	* sh/sh.c: Similarly.
	* sh/sh.h: Similarly.
	* sparc/sparc-protos.h: Similarly.
	* sparc/sparc.c: Similarly.
	* sparc/sparc.h: Similarly.
	* vax/vax.c: Similarly.
	* vax/vax.h: Similarly.
	* vax/vms.h: Similarly.
	* we32k/we32k.c: Similarly.
	* we32k/we32k.h: Similarly.

Fri Jul  6 11:47:59 2001  Jeffrey A Law  (law@cygnus.com)

	* basic-block.h (first_insn_after_basic_block_note): Declare.
	* flow.c (first_insn_after_basic_block_note): Define.  Moved
	from...
	* ssa.c (first_insn_after_basic_block_note): Remove.
	* ssa-dce.c (find_inherently_necessary): Consider BARRIERs
	necessary.
	(ssa_eliminate_dead_code): Properly update the CFG and PHI
	nodes when we find a dead conditional branch.  Insert BARRIERs
	after any blocks with no successors, but which do not have
	any BARRIERs.

2001-07-06  Zack Weinberg  <zackw@stanford.edu>

	* varray.c (varray_check_failed): Use internal_error.

2001-07-05  Andrew Haley  <aph@redhat.com>

	* Makefile.in (LIB2_DIVMOD_FUNCS): New.
	(LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
	* mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.

2001-07-02  Jason Merrill  <jason_merrill@redhat.com>

	* dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
	reference if the target constant is also a SYMBOL_REF.

2001-07-05  Eric Christopher  <echristo@redhat.com>

	* config/mips/mips.h (MASK_MIPS3900): Remove.
	(MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
	MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
	(TARGET_MIPS3900): Change to use mips_arch.
	(TARGET_MIPS4000): New.
	(TARGET_MIPS4100): New.
	(TARGET_MIPS4300): New.
	(TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
	(SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
	for -mipsX.
	(GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
	(ISA_HAS_BRANCHLIKELY): To here.
	(CC1_CPU_SPEC):	 New.
	(CC1_SPEC): Use here.  Remove 4650 and 3900 options.
	(mips_arch_string): Declare.
	(mips_arch): Declare.
	(TARGET_OPTIONS): Add -march and -mtune.

	* config/mips/mips.c (mips_arch_string): New.
	(mips_arch): New.
	(override_options): Handle -march for codegen and -mtune
	for scheduling. Use mips_arch. Move tx39 target default here.
	(mips_parse_cpu): Move error message to override_options.

	* config/mips/r3900.h (TARGET_DEFAULT): Remove.

	* config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.

	* doc/invoke.texi (Option Summary): Add -march and -mtune entries.
	(MIPS Options): Ditto.	Change mcpu entry to historical text.

2001-07-05  H.J. Lu  (hjl@gnu.org)

	* config/mips/mips.c (mips_parse_cpu): New function to parse
	-march=*/-mcpu=*.

2001-07-05  Jim Wilson  <wilson@redhat.com>

	* config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
	* config/ia64/t-ia64: Likewise.
	(LIB1ASMFUNCS): Update comment.

2001-07-05  David Edelsohn  <edelsohn@gnu.org>

	* doc/install.texi (Install GCC: Binaries): Fix typo.

2001-07-04  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

	* config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
	reference using the stack pointer, adjust it since we push Y
	temporarily.
	("*ashrsi3"): Likewise.
	("*lshrsi3"): Likewise.

2001-07-05  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

	* config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
	when -fomit-frame-pointer is used.

2001-07-05  Jeffrey Oldham  <oldham@codesourcery.com>

	* flow.c: Reverse Jan Hubicka's patch of 02July2001.
	(try_redirect_by_replacing_jump): Reverse updating properly the
	count and frequency information.  Reverse removing cc0 setter.
	(forwarder_block_p): Reverse fixing for fallthru blocks.

2001-07-05  DJ Delorie  <dj@redhat.com>

	* gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
	(translate_options): If the above is defined, use it to map
	given options to new options.
	* doc/tm.texi: Document it.

2001-07-05  Brad Lucier <lucier@math.purdue.edu>
	    Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

	* doc/invoke.texi (Optimize Options): Document that -fgcse may
	cause programs using computed gotos to run more slowly.

2001-07-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* doc/install.texi (Specific): Markup, spelling and typo fixes.
	Fixed sorting.
	Consistently require binutils 2.11.2, not prereleases.
	(Specific, decstation-*): Canonicalize as mips-dec-*.
	(Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
	always necessary.
	(Specific, m68k-altos): Removed reference to README.altos, deleted.
	(Specific, mips-*): Reword MIPS C compiler requirements.
	(Specific, powerpc*-*-*): New, mention --with-cpu once.
	(Specific, sunv5): Removed, obsolete.

2001-07-05  Nathan Sidwell  <nathan@codesourcery.com>

	* dwarf2out.c (output_loc_list): Use an all ones mask for
	.text asm output and don't rely on long long
	literals. Reformat some long lines.

2001-07-05  Andreas Jaeger  <aj@suse.de>

	* doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
	section.

2001-07-04  Daniel Berlin  <dan@cgsoftware.com>

	* dwarf2out.c (dwarf2out_define): Update comment.
	(dwarf2out_undef): Ditto.
	(dwarf2out_start_source_file): Ditto.
	(dwarf2out_end_source_file): Ditto.
	(dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
	since we never call the start/end debug hook for the primary file.

2001-07-04  Kazu Hirata  <kazu@hxi.com>

	* config/h8300/h8300.c (get_shift_alg): Remove an extra operand
	from shll.

2001-07-04  Nathan Sidwell  <nathan@codesourcery.com>

	* cppinit.c (remove_dup_dirs): Inform if a system include
	directory is being reordered.
	* doc/invoke.texi (Directory Options): GCC warns if you hide a
	system include.
	* doc/cpp.texi (Search Paths): Likewise.
	* doc/gcc.texi (Interoperation): Remove information about
	-I/usr/include.

2001-07-04  Nathan Sidwell  <nathan@codesourcery.com>

	* varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
	(VARRAY_TOP_CHAR_PTR): Likewise.

2001-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* gcc.c (process_command): Don't assign elements of a const char*.

Wed Jul  4 13:40:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* emit-rtl.c (change_address): Don't abort if invalid address while
	reload is in progress.

2001-07-04  Daniel Berlin  <dan@cgsoftware.com>

	* c-lex.c (cb_file_change): Pass line number to
	debug_start_source_file.
	(cb_undefine): Pass correct line number to debug_undef.

	* toplev.c (debug_start_source_file): Add line number to
	parameters. Pass it along to dwarf2out_start_source_file.
	(decode_g_option): Stop resetting debug level back to normal when
	we change debug formats, unless the current level is
	none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
	3).

	* toplev.h (debug_start_source_file): Add line number to
	parameters.

	* dwarf2out.h (dwarf2out_start_source_file): Add line number to
	parameters.

	* dwarf2out.c (dwarf2out_start_source_file): Add line number to
	parameters.
	Output debug_macinfo data for starting file if requested.
	(dwarf2out_end_source_file): Output debug_macinfo data for ending
	file if requested.
	(dwarf2out_define): Output debug_macinfo data for defining a macro
	if requested.
	(dwarf2out_undef): Output debug_macinfo data for undefining a
	macro if requested.
	(DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
	(DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
	(macinfo_section_label): New. DWARF2 macro info section label.
	(dwarf2out_init): If we want macro info, output the start label
	for the section.
	(dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
	attribute to the compilation unit die pointing to the macro info.

2001-07-04  Daniel Berlin  <dan@cgsoftware.com>

	* dwarf2out.c (new_loc_list): Move to inside #ifdef
	DWARF2_DEBUGGING_INFO.
	(add_loc_descr_to_loc_list): Ditto.
	(output_loc_list): Ditto.
	Also, fix thinko in curr not being initialized.
	(gen_internal_sym): Ditto.

Wed Jul  4 13:40:02 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* emit-rtl.c (replace_equiv_address): New function.
	* expr.h (replace_equiv_address): New declaration.
	* explow.c (validize_mem): Call it instead of change_address and
	also call if -fforce-addr and address is constant.
	* expr.c: Replace more calls to change_address with adjust_address
	and/or replace_equiv_address or to validize_mem.
	* function.c, regmove.c, config/alpha/alpha.c: Likewise.
	* config/arm/arm.md, config/clipper/clipper.md: Likewise.
	* config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
	* config/i370/i370.md, config/i860/i860.md: Likewise.
	* config/i960/i960.md, config/mips/mips.c: Likewise.
	* config/mips/mips.md, config/pa/pa.md: Likewise.
	* config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
	* config/rs6000/rs6000.md, config/sh/sh.md: Likewise.

2001-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.

	* bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
	function.

2001-07-04  Joseph S. Myers  <jsm28@cam.ac.uk>

	* doc/include: New directory.
	* doc/fdl.texi: Move to doc/include/fdl.texi.
	* doc/texinfo.tex: Move to doc/include/texinfo.tex.
	* doc/include/funding.texi, doc/include/gpl.texi: New files.
	* doc/gcc.texi: Use funding.texi and gpl.texi.
	* Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
	$(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
	Update dependencies and use -I $(docdir)/include.

2001-07-04  Anthony Green  <green@redhat.com>

	* config/v850/t-v850 (v850-c.o): Add missing dependencies.

2001-07-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

	* doc/install.texi (sparc64-*-*): Remove garbage.

Wed Jul  4 09:07:44 2001  Jan van Male  <jan.vanmale@fenk.wau.nl>

	* i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
	Fix typo in last change to use adjust_address.

2001-07-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

	* doc/install.texi (Specific): Update information for *-*-solaris*.

Tue Jul  3 22:33:15 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* explow.c (plus_constant_wide): Reinitialize Y for restart.

2001-07-03  Stan Shebs  <shebs@apple.com>

	* config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
	case for flag_no_mach_text_sections.
	(EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
	* config/darwin.c (flag_no_mach_text_sections): Remove.
	* config/darwin-protos.h (darwin_init_pragma): Remove decl.

Tue Jul  3 15:35:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* explow.c (plus_constant_wide, case PLUS): Call find_constant_term
	and avoid checking for constant as first operand.
	* recog.c (find_constant_term_loc): No longer static.
	(adj_offettable_operand): Delete.
	* rtl.h (adj_offsettable_operand): Delete declaration.
	(find_constant_term): Add declaration.
	* caller-save.c: Replace calls to adj_offsettable_operand with calls
	to adjust_address.
	* config/arm/arm.c, config/c4x/c4x.c: Likewise.
	* config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
	* config/i386/i386.c, config/i386/i386.md: Likewise.
	* config/i860/i860.c, config/i960/i960.c: Likewise.
	* config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
	* config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
	* config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
	* config/mips/mips.c, config/mips/mips.md: Likewise.
	* config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
	* config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
	* config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
	* config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
	* config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
	* config/ns32k/ns32k.md: Likewise.

2001-07-03  Zack Weinberg  <zackw@stanford.edu>

	* rtl.c (copy_rtx): Handle 'T' format letter.
	* gensupport.c (collect_insn_data): Likewise.
	* print-rtl.c (print_rtx): Print 'T' slots like 's'.

2001-07-03  Nick Clifton  <nickc@cambridge.redhat.com>

	* doc/invoke.texi (Directory Options): Specifiy range for <N> in
	-B option.  Use 'dir' not 'foo' as example directory name.

2001-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
	Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.

2001-07-03  Joseph S. Myers  <jsm28@cam.ac.uk>

	* doc/cppinternals.texi: Improve formatting and logical markup.

2001-07-03  Andreas Jaeger  <aj@suse.de>

	* Makefile.in (insn-recog.o): Add dependency on reload.h.

	* genrecog.c (write_header): Include reload.h for prototypes in
	insn-recog.c.

2001-07-03  Neil Booth  <neil@daikokuya.demon.co.uk>

config:
	* i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
	VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
	* i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
	i386_pe_valid_type_attribute_p): Add.
	* i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
	* i386/winnt.c (i386_valid_decl_attribute_p): Return directly.

Mon Jul  2 21:52:19 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* explow.c (plus_constant_wide, case LO_SUM): New case.
	(plus_constant_for_output_wide): Delete.
	* rtl.h (plus_constant_for_output): Delete.
	* alias.c (canon_rtx, init_alias_analysis): Call plus_constant
	instead of plus_constant_for_output.
	* recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
	* config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
	* config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
	* config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
	* config/sparc/sparc.md: Likewise.
	Convert some change_address calls to adjust_address.

2001-07-03  Joseph S. Myers  <jsm28@cam.ac.uk>

	* doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
	doc/rtl.texi, doc/tm.texi: Improve formatting.  Improve
	documentation of -std and -Wwrite-strings.

2001-07-02  Geoffrey Keating  <geoffk@redhat.com>

	* cse.c (canon_hash): Don't register registers in very small
	register classes, as extending their lifetime might cause
	reload to fail.

Mon Jul  2 23:14:00 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.

	* flow.c (forwarder_block_p): Fix for fallthru blocks.
	(try_redirect_by_replacing_jump): Update properly the count
	and frequency information.

Mon Jul  2 14:20:13 2001  Jeffrey A Law  (law@cygnus.com)

	* toplev.c (dump_file_index): Move SSA dumps just after first
	jump dump.
	(dump_file): Corresponding changes.
	(rest_of_compilation): Move SSA path to just after the first
	jump pass.
	* doc/gcc.texi (Passes): Update due to movement of SSA path.
	* doc/invoke.texi: Update dump file #s as they were completely
	out of date with reality.

2001-07-02  Geoffrey Keating  <geoffk@redhat.com>

	* doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.

	* expr.c (emit_move_insn_1): Deal with non-default
	STACK_PUSH_CODE.

	* expr.c (emit_single_push_insn): Fix warning.

2001-07-02  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>

	* expr.c (emit_move_insn_1): Avoid modifying
	cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.

Mon Jul  2 15:33:31 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* emit-rtl.c (adjust_address): New function.
	* expr.h (adjust_address): Add declaration.
	* builtins.c: Replace some calls to change_address with calls to it
	or to validize_mem.
	* caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
	* function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
	* config/arm/arm.c, config/convex/convex.c: Likewise.
	* config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
	* config/i386/i386.c, config/i386/i386.md: Likewise.
	* config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
	* config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
	* config/m88k/m88k.c, config/mips/mips.md: Likewise.
	* config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
	* config/sh/sh.c, config/sparc/sparc.md: Likewise.

2001-07-02  Jim Wilson  <wilson@redhat.com>

	* config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.

2001-07-02  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
	* config/ia64/lib1funcs.asm: Change macro names to match t-ia64.

2001-07-02  Zack Weinberg  <zackw@stanford.edu>

	* cppinit.c (lang_defaults): New table.
	(set_lang): Just read from lang_defaults into the live options
	structure.

2001-07-02  Zack Weinberg  <zackw@stanford.edu>

	* Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
	* doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
	* doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.

2001-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* doc/install.texi: Various spelling and markup fixes.
	(Installing GCC): Component specific installation instructions are
	gone.
	Fix reference.
	Warn about removing old install dir in the presence of shared libs.
	(Configuration): Invoke with options target to match configure
	--help.
	Consistently refer to gas, gld pathnames.
	Invert --enable-multilib documentation.
	Remove references to old compiler versions.

Mon Jul  2 12:50:51 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.

2001-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
	section.
	(Specific, mips*-sgi-irix5): Note IDO download.
	Reworded MIPS C hints.
	Use GNU as instead of GAS.
	Markup fixes.
	Removed SGI Freeware reference, IRIX 6 only.
	(Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
	Note N64 library requirement/workaround.
	Update O32 hints.
	Complete list of structure passing bug victims.

2001-07-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

	* doc/install.texi: Remove CVS Id.

2001-07-02  Andreas Jaeger  <aj@suse.de>

	* ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
	(find_inherently_necessary): Remove unused variable.

2001-07-02  Nathan Sidwell  <nathan@codesourcery.com>

	* c-common.h (TDI_inlined): New ast dump phase.
	(dump_flag_name): New function.
	* c-dump.c (dump_files): Add inlined phase.
	(dump_flag_name): Define.
	* doc/invoke.texi (-fdump-ast-inlined): Document.

Mon Jul  2 06:29:36 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* stor-layout.c (layout_decl): Revert change to handling of alignment
	in packed types.

Sun Jul  1 11:53:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
	for FIELD_DECL.

2001-07-01  Geoffrey Keating  <geoffk@redhat.com>

	* doc/tm.texi (FUNCTION_ARG): Document that the last call
	is special.

2001-07-01  Nathan Sidwell  <nathan@codesourcery.com>

	* tlink.c (recompile_files): Remove COMPILER_PATH and
	LIBRARY_PATH from the environment.

2001-07-01  Zack Weinberg  <zackw@stanford.edu>

	* c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
	RID_LAST_PQ.  Move RID_FIRST_PQ down with the other FIRST/LAST
	enumerators.
	(OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.

	* c-parse.in (OBJC_STRING): Kill.
	(objc_string): Decompose to [objc_string] '@' STRING.
	(reswords): Take the leading '@' off all the Objective C keywords.
	(objc_rid_sans_at): Kill.
	(init_reswords): Don't initialize it.
	(yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
	(_yylex): Kill reconsider label.  Look ahead one token after
	an '@'; if we get an identifier, check whether it's an
	Objective C @-keyword.  If so, return the keyword.  Otherwise,
	put back the token and return the '@' as a terminal.

	* cpplib.c (lex_macro_node): Remove unnecessary check for
	leading '@' on identifier.  Clarify control flow and commentary.

Sun Jul  1 11:53:52 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* cse.c (new_label_ref): Variable deleted.
	(insert): Remove set of new_label_ref.
	(check_for_label_ref): New function.
	(cse_basic_block): Don't check new_label_ref; call check_for_label_ref.

See ChangeLog.5 for earlier changes.