1 2001-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
3 * loop.h (struct induction): Rename ext_dependant to
5 * loop.c: Change all uses.
6 (check_ext_dependant_givs): Rename to check_ext_dependent_givs.
8 * timevar.c (DEFTIMEVAR): Fix spelling of identifier__ parameter.
10 2001-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
12 * c-parse.in (expr_no_commas, primary), c-typeck.c
13 (parser_build_binary_op): Use IS_EXPR_CODE_CLASS.
15 2001-10-29 David Edelsohn <edelsohn@gnu.org>
17 Undo assemble_name change in earlier patch.
19 Mon Oct 29 21:11:40 2001 Nicola Pero <n.pero@mi.flashnet.it>
21 * objc/objc-act.c (finish_message_expr): For the GNU runtime: when
22 determining the type of the receiver, do not check that TREE_CODE
23 of receiver is CALL_EXPR before calling receiver_is_class_object().
24 (receiver_is_class_object): For the GNU runtime: recognize
25 the case that the receiver is self in a class method context.
26 Check that TREE_CODE of receiver is CALL_EXPR when checking that
27 the receiver is a call to objc_get_class.
29 2001-10-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
31 * pa.md (floatunssisf2): Set subreg 0 of operand 2 to zero.
33 Mon Oct 29 07:23:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
35 * Makefile.in (OBJS): Put all files in alphabetical order.
37 * dwarf2out.c (add_const_value_attribute): Fix error in last
40 Mon Oct 29 12:43:06 CET 2001 Jan Hubicka <jh@suse.cz>
42 * basic-block.h (purge_all_dead_edges): Add update_life_p argument.
43 * cfgcleanup.c (merge_blocks): Update the life flag after merging;
45 * cfgrtl.c (purge_all_dead_edges): Allow updating of liveness.
46 (life_analysis): call purge_all_dead_edges after deleting noops.
47 (delete_noop_move): Do not purge CFG.
48 * toplev.c (rest_of_compilation): Update purge_all_dead_edges call.
50 2001-10-28 David Edelsohn <edelsohn@gnu.org>
52 * config/rs6000/aix31.h (ASM_OUTPUT_EXTERNAL): Use assemble_name.
53 * config/rs6000/darwin.h (RS6000_OUTPUT_BASENAME): Delete.
54 (ASM_GLOBALIZE_LABEL): Use assemble_name.
55 (ASM_OUTPUT_COMMON): Likewise.
56 * config/rs6000/rs6000.c (print_operand): Use assemble_name.
57 (rs6000_output_function_epilogue): Likewise.
58 (output_mi_thunk): Fix typo.
59 (rs6000_output_symbol_ref): Use assemble_name.
60 (output_toc): Likewise.
61 * config/rs6000/sysv4.h (RS6000_OUTPUT_BASENAME): Delete.
62 * config/rs6000/xcoff.h (RS6000_OUTPUT_BASENAME): Delete;
63 assemble_name calls STRIP_NAME_ENCODING.
64 (ASM_OUTPUT_LABEL): Use assemble_name.
65 (ASM_GLOBALIZE_LABEL): Likewise.
66 (ASM_DECLARE_FUNCTION_NAME): Likewise.
67 (ASM_OUTPUT_ALIGNED_COMMON): Indent pseudo-op. Use assemble_name.
68 (ASM_OUTPUT_LOCAL): Likewise.
70 Sun Oct 28 15:45:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
72 * builtins.c (get_memory_rtx): Handle POINTERS_EXTEND_UNSIGNED case.
73 (expand_builtin_apply, expand_builtin_return): Likewise.
74 (expand_builtin_va_arg, expand_builtin_va_copy): Likewise.
76 2001-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
78 * ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4,
79 ChangeLog.5, ChangeLog, FSFChangeLog.10, FSFChangeLog.11,
80 c-common.c, c-common.h, c-parse.in, c-typeck.c, cfg.c, config.gcc,
81 configure, configure.in, except.c, except.h, flow.c, function.c,
82 gcc.c, gcse.c, genrecog.c, libgcc2.c, loop.c, loop.h, params.def,
83 predict.def, predict.h, reg-stack.c, regmove.c, sched-deps.c,
84 sched-int.h, sibcall.c, ssa.c, stringpool.c, toplev.c, tree.c,
85 unroll.c: Fix spelling errors.
87 * doc/extend.texi, doc/invoke.texi: Fix spelling.
89 * doc/gcc.texi: Document use of "dependent" and American spelling.
91 Sun Oct 28 17:05:36 CET 2001 Jan Hubicka <jh@suse.cz>
93 * expr.c (emit_group_load): Support CONCATs by storing them to memory
96 Sun Oct 28 09:59:54 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
98 * expr.c (store_constructor_field): Only call adjust_address on MEM.
100 Sun Oct 28 16:48:09 CET 2001 Jan Hubicka <jh@suse.cz>
102 * genrecog.c (write_switch): Output if before switch for
103 DT_elt_zero_wide_safe.
105 2001-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
107 * Makefile.in (toplev.o, halfpic.o): Depend on halfpic.h
108 * i386/osfrose.h (SUBTARGET_SWITCHES): Add missing comma.
109 (FUNCTION_PROFILER): Const-ify.
110 * halfpic.c: Include "expr.h", "output.h" and "halfpic.h".
111 (eliminate_constant_term, assemble_name, output_addr_const):
113 (ptr_half_pic_address_p, half_pic_hash): Prototype.
114 (all_refs, half_pic_prefix, half_pic_hash, half_pic_declare,
115 half_pic_external, half_pic_address_p, half_pic_ptr): Const-ify.
116 * halfpic.h (ptr_half_pic_address_p, half_pic_finish): Prototype.
117 (half_pic_declare, half_pic_external): Const-ify.
118 * toplev.c: Include "halfpic.h".
120 2001-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
122 * config/alpha/alpha.md, config/arm/arm.c, config/arm/arm.h,
123 config/d30v/d30v.h, config/fr30/fr30.c, config/i370/x-oe,
124 config/i386/i386.c, config/i386/i386-interix.h,
125 config/i386/i386.md, config/i386/i386.h, config/i386/sco5.h,
126 config/i860/i860.h, config/i860/i860.md, config/m68k/aux-exit.c,
127 config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.md,
128 config/ns32k/ns32k.h, config/pa/pa.c, config/rs6000/rs6000.c,
129 config/sparc/sparc.c, config/m68hc11/m68hc11.c,
130 config/cris/cris.c, config/cris/cris.h, config/s390/s390.c,
131 config/s390/s390.h, config/stormy16/stormy16.h, doc/tm.texi: Fix
134 * ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4,
135 ChangeLog.5, ChangeLog, ChangeLog.lib, FSFChangeLog.10, ONEWS,
136 c-common.c, caller-save.c, cfg.c, cfgcleanup.c, cfgrtl.c,
137 collect2.c, df.h, diagnostic.h, final.c, gcse.c, gthr.h,
138 haifa-sched.c, jump.c, local-alloc.c, profile.c, protoize.c,
139 regmove.c, reload1.c, rtlanal.c, sched-vis.c, ssa.c, stmt.c,
140 system.h, toplev.c: Fix spelling errors.
142 Sat Oct 27 17:32:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
144 * gcse.c (insert_insn_end_bb): Don't assume PAT is a SET.
146 * dwarf2out.c (reg_number): Abort if pseudo.
147 (reg_loc_descriptor): Return 0 if pseudo.
148 (is_based_loc): Return 0 if pseudo.
149 (mem_loc_descriptor): Return 0 for pseudo and handle 0 return from
151 (concat_loc_descriptor): Return 0 if either part's descriptor is 0.
152 (loc_descriptor): Return 0 if can't find location and handle 0
153 return from recursive calls.
154 (loc_descriptor_from_tree): Likewise.
155 Fix handling of indirect.
156 Also return 0 for PLACEHOLDER_EXPR.
157 Clean up COMPONENT_REF cases.
158 (add_AT_location_descriptor): Simplify, but handle 0 return from
160 (add_const_value_attribute): Avoid shift count warning.
161 (add_bound_info): Remove test for PLACEHOLDER_EXPR here.
162 Set comp_unit_die as context if not in function.
164 * config/mips/mips-protos.h: Break up long lines.
165 Remove needless #ifdef/#endif blocks.
166 Don't declare functions declared in file made by genpreds or recog.h.
167 * config/mips/mips.c (mips_output_function_prologue): TSIZE
168 is now HOST_WIDE_INT; delete unneeded casts.
169 * config/mips/mips.h: Don't use #elif.
171 * expr.c (stor_constructor_field): Always call adjust_address.
172 Copy TARGET before changing its alias set.
173 (store_field): Likewise, for TO_RTX.
174 (get_inner_reference): Stop at PLACEHOLDER_EXPR if can't find
176 (safe_from_p, case ADDR_EXPR): Properly check for conflict.
177 (find_placeholder): Return 0 if can't find object.
178 (expand_expr, case PLACEHOLDER_EXPR): Abort if find_placeholder
181 Sat Oct 27 16:31:23 CEST 2001 Jan Hubicka <jh@suse.cz>
183 * ifcvt.c (if_convert): Call clear_aux_for_blocks.
185 Sat Oct 27 12:12:09 CEST 2001 Jan Hubicka <jh@suse.cz>
187 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps,
188 merge_blocks_move_successors_nojumps): Set BB_UPDATE_LIFE.
189 (merge_blocks): Properly udpate life after making edge nonfallthru.
190 * cfgrtl.c (merge_blocks_nomove): Update global_live_at_end.
192 2001-10-26 Kazu Hirata <kazu@hxi.com>
194 * config/h8300/h8300.c (get_shift_alg): Remove redundant code.
196 2001-10-26 Neil Booth <neil@daikokuya.demon.co.uk>
198 * c-typeck.c (convert_arguments): When comparing for enumeral
199 type equality, use TYPE_MAIN_VARIANT.
200 * gcc.dg/Wconversion.c: New tests.
202 2001-10-26 Kazu Hirata <kazu@hxi.com>
204 * s390/s390.c: Fix comment typos.
205 * s390/s390.h: Likewise.
206 * s390/s390.md: Likewise.
208 2001-10-26 Alexandre Oliva <aoliva@redhat.com>
210 * tree-inline.c (WALK_SUBTREE_TAIL): New macro.
211 (walk_tree): Use it for tail calls where appropriate.
213 2001-10-26 Alexandre Oliva <aoliva@redhat.com>
215 * cse.c (check_for_label_ref): Don't require REG_LABEL notes for
216 non-local label_refs.
218 2001-10-26 Kazu Hirata <kazu@hxi.com>
220 * config/h8300/h8300.md (4 anonymous patterns): New.
222 2001-10-26 Kazu Hirata <kazu@hxi.com>
224 * config/h8300/h8300.c (get_shift_alg): Clean up. Return the
225 algorithm through the shift_info structure.
226 (emit_a_shift): Update the use of get_shift_alg.
228 2001-10-27 Daniel Berlin <dan@cgsoftware.com>
230 * sched-rgn.c: Remove bitset typedef.
231 Change bitset to sbitmap in prototypes / variable types.
235 s/BITSET_ADD/SET_BIT/g
236 s/BITSET_INVERT/sbitmap_ones/g
237 s/BITSET_INTER/sbitmap_a_and_b/g
238 s/BITSET_UNION/sbitmap_a_or_b/g
239 s/BITSET_DIFFER/sbitmap_difference/g
240 s/bitset_member/TEST_BIT/g
242 (bitset_member): Removed.
243 (extract_bitlst): Rewrite, now that we have sbitmaps, we can use
244 EXECUTE_IF_SET_IN_SBITMAP.
245 (split_edges): Rewrite, use sbitmap functions instead of bitset
247 (schedule_region): Allocate/free sbitmaps, rather than bitsets.
249 2001-10-26 Andreas Schwab <schwab@suse.de>
251 * reload1.c (emit_input_reload_insns): Fix parens in last
252 (undocumented) change that was supposed to change only whitespace.
254 Fri Oct 26 07:18:08 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
256 * cfgcleanup.c (BB_SET_FLAG, BB_CLEAR_FLAG): Add cast to avoid warning.
258 * local-alloc.c (update_equiv_regs): Don't make REG_EQUAL note for
261 2001-10-26 Andreas Jaeger <aj@suse.de>
263 * flow.c (clear_log_links): Remove unused variable.
264 * cfgcleanup.c (cleanup_cfg): Likewise.
266 2001-10-26 Alexandre Oliva <aoliva@redhat.com>
268 * tree-inline.c (remap_decl): Don't copy size and size_unit here.
269 (remap_save_expr): Map a remapped SAVE_EXPR to error_mark_node.
271 2001-10-26 Richard Henderson <rth@redhat.com>
273 * config/alpha/alpha.h (enum reg_class): Add R24_REG, R25_REG;
274 rename PV_REG to R27_REG.
275 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
276 (REG_CLASS_FROM_LETTER): Update.
277 (PREFERRED_RELOAD_CLASS): Don't widen a reg class.
278 * config/alpha/alpha.md (divsi3): Don't hard-code r24, r25, r27.
279 (udivsi3, modsi3, umodsi3): Likewise.
280 (divdi3, udivdi3, moddi3, umoddi3): Likewise.
282 2001-10-26 Richard Henderson <rth@redhat.com>
284 * cfg.c (clear_aux_for_blocks): Split out of ...
285 (free_aux_for_blocks): here.
286 (clear_aux_for_edges): Split from ...
287 (free_aux_for_edges): here.
288 * basic-block.h: Declare them.
289 * lcm.c (compute_antinout_edge): Use them.
290 (compute_laterin, compute_available, compute_nearerout): Likewise.
291 (optimize_mode_switching): Likewise.
293 2001-10-26 Richard Henderson <rth@redhat.com>
295 * Makefile.in (unstage*): Remove as, ld, collect-ld before
296 moving everything back to the main build directory.
298 2001-10-26 Christopher Faylor <cgf@redhat.com>
300 * config/i386/cygwin.h: Search target specfic include directory, if
303 2001-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
305 * dwarf2out.c (PTR_SIZE, default_eh_frame_section): Move outside
306 of macro guards. Fix #endif comment.
308 * output.h (default_exception_section, default_eh_frame_section):
309 Move prototypes outside of macro guard.
311 * crtstuff.c: Fix #endif comment.
313 Thu Oct 25 12:21:58 2001 Jeffrey A Law (law@cygnus.com)
315 * doc/md.texi (movMM): Clarify semantics of storing into a
316 non-paradoxical SUBREG.
318 2001-10-25 Zack Weinberg <zack@codesourcery.com>
320 * langhooks.c (lang_hook_default_clear_binding_stack): New.
321 (lang_hook_default_get_alias_set): Move next to other alias
323 * langhooks.h: Prototype lang_hook_default_clear_binding_stack.
324 (LANG_HOOKS_CLEAR_BINDING_STACK): New macro.
325 (LANG_HOOKS_INITIALIZER): Add it.
326 * toplev.h (struct lang_hooks): Add clear_binding_stack.
327 * toplev.c (compile_file): Call lang_hooks.clear_binding_stack
328 instead of a loop calling poplevel.
330 2001-10-25 Nick Clifton <nickc@cambridge.redhat.com>
332 * config/mips/isa3264.h (SUBTARGET_CPP_SIZE_SPEC): Replace
333 occurrences of #elif with #if...#endif.
335 2001-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
337 * cris.h (EH_RETURN_DATA_REGNO): Fix unsigned>=0 warning.
339 Thu Oct 25 08:46:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
341 * alias.c (can_address_p): No longer static.
342 * emit-rtl.c (get_mem_attrs): New parameter, MODE; all callers changed.
343 Return 0 if all parameters are default values.
344 (set_mem_attributes): Set MEM_KEEP_ALIAS_SET_P.
345 (adjust_address_1): Try harder to compute a size.
346 * expr.c (expand_assignment, store_constructor): If can't address,
347 set MEM_KEEP_ALIAS_SET_P.
348 (store_constructor_field): Don't change set if MEM_KEEP_ALIAS_SET_P.
349 (store_field): Likewise.
350 (store_constructor): Simplify call to store_constructor_field.
351 * expr.h (can_address_p): New declaration.
352 * gensupport.c (gen_rtx_CONST_INT): New function.
353 * rtl.h (MEM_KEEP_ALIAS_SET_P): New macro.
354 (MEM_SIZE): Get size from mode, if not set and not BLKmode.
355 (MEM_COPY_ATTRIBUTES): Copy MEM_KEEP_ALIAS_SET_P.
357 * stmt.c (expand_end_case): Remove orig_minval and use tree_low_cst.
359 2001-10-24 Christopher Faylor <cgf@redhat.com>
361 * config/i386/cygwin.h: Use proper path for mingw crt files when
364 Wed Oct 24 18:43:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
366 * dwarf2out.c (file_info_cmp): Always return consistent results.
368 2001-10-24 Roger Sayle <roger@eyesopen.com>
370 * stmt.c (expand_end_case): Index jumptables from zero for
371 suitably small values of minval.
373 2001-10-24 Jakub Jelinek <jakub@redhat.com>
375 * stor-layout.c (place_union_field): If any field was aligned with
376 attribute aligned, set record type's TYPE_USER_ALIGN.
377 (place_field): Likewise.
378 (finalize_record_size): Don't clear TYPE_USER_ALIGN.
379 (layout_type) [ARRAY_TYPE]: Copy element's TYPE_USER_ALIGN.
381 2001-10-24 Zack Weinberg <zack@codesourcery.com>
383 * c-common.h (struct c_common_identifier): Remove rid_code field.
384 (C_RID_CODE): Use ->node.rid_code instead of ->rid_code.
386 * c-typeck.c (constructor_designated): New local flag.
387 (struct constructor_stack): Add "designated" field to match.
388 (start_init): Clear it.
389 (really_start_incremental_init, push_init_level): Push and
391 (pop_init_level): Pop it.
392 (set_designator): Set it.
394 (pop_init_level): Suppress "missing initializer" warnings if
395 constructor_designated is true.
396 (process_init_element): Suppress warning about union
397 initialization under traditional C, if constructor_designated
400 Wed Oct 24 15:35:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
402 * integrate.c (copy_rtx_and_substitute, case CALL): Fix error in last
405 Wed Oct 24 13:26:12 2001 Jeffrey A Law (law@cygnus.com)
407 * h8300.h (RETURN_ADDR_RTX): Remove old, incorrect definition.
409 2001-10-24 Dan Nicolaescu <dann@ics.uci.edu>
411 * ssa-ccp.c (ssa_ccp_substitute_constants): Don't do anything if
412 the node was already a set to a constant.
414 Wed Oct 24 12:41:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
416 * emit-rtl.c (set_mem_attributes): Fix typo in last change.
417 * print-rtl.c (print_rtx, case MEM): Improve display of MEM_DECL.
419 2001-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
421 * s390/linux.h (ASM_OUTPUT_BYTE): Fix format specifier warnings.
422 (ASM_OUTPUT_ASCII): Const-ify. Fix signed/unsigned warning.
423 (ASM_OUTPUT_MI_THUNK): Fix format specifier warnings.
424 * s390.c (s390_final_chunkify): Don't use string concatenation.
425 (s390_function_prologue, s390_function_epilogue): Const-ify.
426 * s390.h (FUNCTION_PROFILER): Remove unused variable.
428 2001-10-24 Jakub Jelinek <jakub@redhat.com>
430 * c-decl.c (finish_decl): Don't add DECL_STMTs for nested function
433 2001-10-23 Stan Shebs <shebs@apple.com>
435 * config/rs6000/x-darwin: Use -no-cpp-precomp instead of
436 -traditional-cpp in first-stage compilation.
438 Tue Oct 23 21:45:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
440 * gensupport.c (target_flags): Add.
442 Tue Oct 23 13:05:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
444 * builtins.c (expand_builtin_setjmp): Only call convert_memory_address
446 (expand_builtin_longjmp, expand_builtin_alloca): Likewise.
447 * except.c (expand_builtin_frob_return_addr): Likewise.
448 (expand_builtin_eh_return): Likewise.
449 * stmt.c (expand_computed_goto): Likewise.
450 * explow.c (memory_address): Likewise.
451 (allocate_dynamic_stack_space): Clean up predicate testing.
452 (probe_stack_range): Convert SIZE to Pmode.
453 * calls.c (rtx_for_function_call): Only call convert_memory_address
455 Pass function call operand as ptr_mode, not Pmode.
456 * expr.c (expand_assignment): Clean up calls to convert_memory
457 address by only doing so when needed and making offsets Pmode.
458 (store_constructor, expand_expr, expand_expr_unaligned): Likewise.
459 * function.c (assign_parms): Ensure address in MEM for RESULT_DECL
460 is in Pmode, not ptr_mode.
462 2001-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
464 * darwin-protos.h (constructor_section, destructor_section,
465 mod_init_section, mod_term_section): Prototype.
466 * darwin.c (machopic_finish, update_non_lazy_ptrs, update_stubs):
468 * darwin.h (ASM_DECLARE_OBJECT_NAME, ASM_DECLARE_FUNCTION_NAME):
470 (SECTION_FUNCTION): Prototype `FUNCTION'. Delete
471 objc_section_init declaration.
472 (EXTRA_SECTION_FUNCTIONS): Prototype objc_section_init.
473 (objc_section_init, try_section_alias): Make static.
474 (alias_section): Make static and hide unused function.
475 (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier warning.
477 Tue Oct 23 13:05:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
479 * alias.c (can_address_p): Compnonents are not addressable if
480 the containing type has alias set 0.
481 (get_alias_set): Rework to use STRIP_NOPS.
482 Only call front-end routine on object, type, or object with
483 NOPs stripped, not inner values.
484 Use language hook to call front-end routine.
485 * builtins.c (get_memory_rtx): Always call set_mem_attributes.
486 (expand_builtin_apply): Call set_mem_align on MEMs we make.
487 Don't pass alignment to emit_block_move.
488 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
489 (expand_builtin_memset): Likewise, but for clear_storage.
490 * c-common.c (lang_get_alias_set): Renamed to c_common_alias_set
491 and remove C++ specific parts.
492 * c-common.h (c_common_get_alias_set): Add declaration.
493 * c-lang.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
494 * calls.c (emit_call_1): Fix typo in sibcall_pop case.
495 (save_fixed_argument_area): Call set_mem_align.
496 Remove alignment in call to emit_block_move.
497 (emit_library_call_value_1, store_one_arg): Likewise.
498 (target_for_arg): Remove; disabled long ago.
499 * emit-rtl.c (set_mem_attributes): Rework to only call get_mem_attrs
500 once and similar cleanups.
501 (offset_address): Use proper introductory comment.
502 * expr.c (emit_block_move): Use alignment from that of MEM args, not
503 from explicit operand; all callers changed.
504 (clear_storage): Likewise.
505 (expand_assignment): Don't call set_mem_alias_set on to_rtx.
506 (store_field): Remove kludge on alias set used for to_rtx.
507 (highest_pow2_factor, case *_DIV_EXPR): Never return 0.
508 (expand_expr_unaligned): Call set_mem_attributes instead of
510 * expr.h (emit_block_move, clear_storage): Remove ALIGN argument.
511 * function.c (assign_stack_temp_for_type): Set MEM alignment.
512 (expand_function_end): Track MEM attributes of trampolines.
513 * ifcvt.c (noce_try_cmove_arith): Set alignment of new MEM.
514 * integrate.c (copy_rtx_and_substitute, case CALL): Copy memory
515 attributes from original.
516 * langhooks.c (lang_hook_default_get_alias_set): New function.
517 (hook_get_alias_set_0): New function.
518 * langhooks.h (hook_get_alias_set_0): New declaration.
519 (lang_hook_default_get_alias_set): Likewise.
520 (LANG_HOOKS_GET_ALIAS_SET): New macro; add to initializer.
521 * reload1.c (alter_reg): Use adjust_address_nv.
522 * rtl.c (get_mode_alignment): Moved to here.
523 * rtl.h (MEM_ALIGN): Take default from mode, if not BLKmode, and
524 change default if unknown from 1 to BITS_PER_UNIT.
525 * stor-layout.c (get_mode_alignment): Remove from here.
526 * toplev.h (struct lang_hoks): Add get_alias_set field.
527 * tree.h (lang_get_alias_set): Delete declaration.
528 * config/arc/arc.c (arc_setup_incoming_varags): Set MEM alignment.
529 * config/i386/i386.c (ix86_setup_incoming_varargs): Likewise.
530 (ix86_va_arg): Likewise.
531 * config/i960/i960.c (i960_setup_incoming_varargs): Likewise.
532 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
533 * config/sparc/sparc.c (sparc_va_arg): Likewise.
534 * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
535 (expand_block_move_mem): Remove dead code.
537 2001-10-22 Neil Booth <neil@daikokuya.demon.co.uk>
539 * c-common.c (warn_div_by_zero): New.
540 * c-common.h (warn_div_by_zero): New.
541 * c-decl.c (c_decode_option): Take it on the command line.
542 * c-typeck.c (build_binary_op): Warn about division by zero.
543 * doc/invoke.texi: Document the new command line option, fix
544 documentation of -Wmultichar.
545 * testsuite/gcc.dg/divbyzero.c: New tests.
546 * testsuite/gcc.dg/noncompile/20010524-1.c: Update.
548 Tue Oct 23 15:30:23 CEST 2001 Jan Hubicka <jh@suse.cz>
550 * i386.c (ix86_expand_int_movcc): Cleanup; use expand_simple_*op.
552 * toplev.c (rest_of_compilation): Use CLEANUP_UPDATE_LIFE
553 to avoid update_life_info call.
554 * basic-block.h (CLEANUP_UPATE_LIFE): Define.
555 * cfgcleanup.c (bb_flags): New enum.
556 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG, FORWARDER_BLOCK_P): New macros.
557 (notice_new_block, update_forwarder_flag): New functions.
558 (try_simplify_condjump): Use FORWARDER_BLOCK_P.
559 (try_forward_edges): Likewise; update flags.
560 (merge_blocks): Likewise.
561 (outgoing_edges_match): Likewise.
562 (try_crossjump_to_edge): Likewise.
563 (try_optimize_cfg): Likewise; initialize and clear the flags;
564 recompute life info if needed.
565 (cleanup_cfg): No need to clear aux pointers.
567 2001-10-23 Alexandre Oliva <aoliva@redhat.com>
569 * config/i386/i386.c (override_options): Default to minimum
570 stack alignment when optimizing for code size.
571 * doc/invoke.texi (-mpreferred-stack-boundary): Document the
574 * config/i386/i386.c (override_options): Set upper limit of
575 -mpreferred-stack-boundary to 12.
577 2001-10-22 Zack Weinberg <zack@codesourcery.com>
579 * recog.c (peephole2_optimize): Add default case to switch.
581 2001-10-23 Joseph S. Myers <jsm28@cam.ac.uk>
583 * doc/gcc.texi (Sending Patches): Remove.
585 2001-10-22 Hans-Peter Nilsson <hp@bitrange.com>
587 * unwind-dw2-fde.c (fde_unencoded_compare): Derefer pc_begin
588 fields when comparing.
590 2001-10-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
592 * arm.h (HOST_INT, HOST_UINT): Delete. Remove all uses.
593 * arm.c (HOST_INT, HOST_UINT): Likewise.
595 2001-10-22 Stan Shebs <shebs@apple.com>
597 * config/darwin-protos.h (darwin_exception_section): Declare.
598 (darwin_eh_frame_section): Declare.
600 Mon Oct 22 18:21:25 CEST 2001 Jan Hubicka <jh@suse.cz>
602 * i386.md (movti_rex64): Fix mode.
604 2001-10-22 Stan Shebs <shebs@apple.com>
606 * target.h (struct gcc_target): Add asm_out.exception_section,
607 asm_out.eh_frame_section.
608 * target-def.h (TARGET_ASM_EXCEPTION_SECTION): New macro.
609 (TARGET_ASM_EH_FRAME_SECTION): New.
610 (TARGET_INITIALIZER): Update.
611 * output.h (default_exception_section): Declare.
612 (default_eh_frame_section): Declare.
613 * dwarf2out.c: Include target.h.
614 (output_call_frame_info): Call target hook for eh frames.
615 (default_eh_frame_section): New function.
616 * except.c: Include target.h.
617 (output_function_exception_table): Call target hook for exception
619 * varasm.c (default_exception_section): Rename from
620 exception_section, remove EXCEPTION_SECTION macro.
622 * config/darwin.h (darwin_eh_frame_section): New function.
623 (EXCEPTION_SECTION): Remove.
624 (TARGET_ASM_EXCEPTION_SECTION): Define.
625 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP): Remove.
626 (nextstep_exception_section): New function.
627 (nextstep_eh_frame_section): New function.
628 (TARGET_ASM_EXCEPTION_SECTION): Define.
629 (TARGET_ASM_EH_FRAME_SECTION): Define.
631 * config/pa/som.h (EXCEPTION_SECTION): Remove.
632 (TARGET_ASM_EXCEPTION_SECTION): Define.
633 * config/rs6000/sysv4.h, config/rs6000/xcoff.h
634 (EXCEPTION_SECTION): Remove.
635 (TARGET_ASM_EXCEPTION_SECTION): Define.
636 * config/stormy16/stormy16.h: Remove comments referencing
637 EXCEPTION_SECTION and EH_FRAME_SECTION_ASM_OP.
639 * doc/tm.texi: Document TARGET_ASM_EXCEPTION_SECTION and
640 TARGET_ASM_EH_FRAME_SECTION.
642 2001-10-22 Nick Clifton <nickc@cambridge.redhat.com>
644 * config/mips/mips.md (mul_acc_si): Fix precedence of conditional
647 * c-format.c: Fix spelling typo in comment.
649 * sched-int.h: Fix typo in GCC preamble.
651 2001-10-21 Craig Rodrigues <rodrigc@gcc.gnu.org>
654 * doc/invoke.texi: Remove references to -fdump-translation-unit.
656 2001-10-22 Richard Henderson <rth@redhat.com>
658 * config/i386/i386.c (ix86_expand_clear): New.
659 * config/i386/i386-protos.h: Declare it.
660 * config/i386/i386.md (setcc peep2s): Use it.
661 (movsi_xor): Unexport.
663 2001-10-22 Richard Henderson <rth@redhat.com>
665 * flow.c (clear_log_links): Use free_INSN_LIST_list, not
666 free_EXPR_LIST_list for LOG_LINKS.
668 2001-10-21 Robert Lipe <robertlipe@usa.net>
670 * config/i386/i386.c (sco_asm_named_section): Delete.
671 (sco_asm_out_constructor): Delete.
672 * config/i386/sco5.h (ASM_QUAD): Undo damage from att.h.
673 (ASM_OUTPUT_DOUBLE_INT): Likewise.
674 (TARGET_ASM_CONSTRUCTOR): Delete. Use default.
675 (TARGET_ASM_NAMED_SECTION): Use default for ELF.
676 (EXCEPTION_SECTION): Delete EH scn renaming hack.
678 2001-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
680 * c-format.c (maybe_read_dollar_number): Use safe-ctype macros
681 and/or fold extra calls into fewer ones.
682 * collect2.c (dump_file): Likewise.
683 * cppexp.c (parse_number): Likewise.
684 * cpplex.c (_cpp_lex_direct): Likewise.
685 * final.c (output_asm_insn, asm_fprintf): Likewise.
686 * fix-header.c (inf_scan_ident, main): Likewise.
687 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
689 * fold-const.c (real_hex_to_f): Likewise.
690 * gen-protos.c (parse_fn_proto): Likewise.
691 * genattrtab.c (check_attr_test, check_attr_value): Likewise.
692 * genrecog.c (change_state, write_action): Likewise.
693 * gensupport.c (shift_output_template): Likewise.
694 * local-alloc.c (requires_inout): Likewise.
695 * mips-tfile.c (IS_ASM_IDENT): Likewise.
696 * protoize.c (is_id_char, main): Likewise.
697 * real.c (asctoeg): Likewise.
698 * recog.c (asm_operand_ok): Likewise.
699 * reload.c (find_reloads): Likewise.
700 * scan.c (scan_identget_token): Likewise.
701 * sched-vis.c (print_value): Likewise.
702 * stringpool.c (ggc_alloc_string): Likewise.
703 * toplev.c (read_integral_parameter, decode_g_option): Likewise.
704 * tradcif.y (parse_number, yylex, parse_escape): Likewise.
705 * tradcpp.c (rescan): Likewise.
706 * tree.c (clean_symbol_name): Likewise.
707 * varasm.c (decode_reg_name): Likewise.
709 * alpha.h (ASM_OUTPUT_ASCII): Likewise.
710 * darwin.c (name_needs_quotes, func_name_maybe_scoped): Likewise.
711 * dsp16xx.h (ASM_OUTPUT_ASCII): Likewise.
712 * m88k.c (output_ascii): Likewise.
713 * m88k.h (OVERRIDE_OPTIONS): Likewise.
714 * mcore.h (REG_CLASS_FROM_LETTER): Likewise.
715 * ns32k/encore.h (ASM_OUTPUT_ASCII): Likewise.
716 * sh.h (REG_CLASS_FROM_LETTER): Likewise.
718 2001-10-21 Neil Booth <neil@daikokuya.demon.co.uk>
720 * langhooks.c (lang_hook_default_do_nothing,
721 lang_hook_default_decode_option): New defaults.
722 * langhooks.h: Make hooks unconditional and non-NULL.
723 * toplev.c (compile_file, toplev_main): Update.
724 * toplev.h: Update comments.
725 * objc/objc-act.c (lang_hooks): Update to new paradigm.
727 2001-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
729 * arm.h (FUNCTION_ARG_REGNO_P): Use IN_RANGE.
731 * system.h (IN_RANGE): New macro.
733 2001-10-21 Zack Weinberg <zack@codesourcery.com>
735 * aclocal.m4 (AM_WITH_NLS): Also create and substitute
736 INTLDEPS variable, which does not include $LIBICONV.
737 * Makefile.in: Use INTLDEPS in LIBDEPS.
738 * configure: Regenerate.
740 2001-10-21 Neil Booth <neil@daikokuya.demon.co.uk>
742 * cpphash.h (struct cpp_buffer): Delete read_ahead and extra_char.
743 * cpplex.c (lex_percent, lex_dot): Remove.
744 (get_effective_char, skip_block_comment, skip_line_comment,
745 parse_identifier_slow, parse_number, parse_string, save_comment,
746 _cpp_lex_direct): Update to do lookback freely.
747 (IF_NEXT_IS, BACKUP): New macros.
748 * cpplib.c (cpp_push_buffer): Don't set read_ahead and extra_char.
749 * cppmacro.c (paste_tokens): Update.
751 2001-10-20 Nick Clifton <nickc@cambridge.redhat.com>
753 * doc/invoke.texi (i386 and x86-64 Options): Fix typo.
755 2001-10-20 Hans-Peter Nilsson <hp@axis.com>
757 * reload1.c (reload): Check CONSTANT_P before calling
758 LEGITIMATE_PIC_OPERAND_P.
759 * config/cris/cris.c (cris_legitimate_pic_operand): Revert
760 workaround of 2001-10-13.
762 Sat Oct 20 15:16:10 CEST 2001 Jan Hubicka <jh@suse.cz>
764 * i386.c (split_di): Handle splitting of DFmode.
766 Sat Oct 20 07:27:14 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
768 * emit-rtl.c (set_mem_attributes): Alignment is in bits.
769 (adjust_address_1, offset_address): Likewise.
771 * final.c (output_asm_operand_names): New fcn, from output_asm_insn.
772 (output_asm_insn): Call it for each line output.
773 Don't record an operand more than once.
775 * toplev.h (struct lang_hooks): HONOR_READONLY now bool.
776 * main.c: Include config.h and system.h, but not ansidecl.h.
777 * Makefile.in (main.o): Update accordingly.
779 Sat Oct 20 12:05:31 CEST 2001 Jan Hubicka <jh@suse.cz>
781 * i386.h (SSE_REGPARM_MAX): Set to 8 for x86_64.
783 Sat Oct 20 12:01:07 CEST 2001 Jan Hubicka <jh@suse.cz>
785 * basic-block.h (find_sub_basic_blocks): Use sbitmap parameter.
786 * cfgbuild.c (find_bb_boundaries, compute_outgoing_frequencies):
788 (find_sub_basic_blocks): ... here;
789 (find_many_sub_basic_blocks): New.
790 * recog.c (split_all_insns): Update find_sub_basic_blocks call.
792 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Define sdata4.
794 * i386.c (ix86_va_arg): Kill indirect_p handling; fix aliasing issues.:
796 * i386.c (split_di, split_ti): Revamp to use simplify_subreg.
798 * timevar.def (TV_LIFE, TV_LIFE_UPDATE, TV_MODE_SWITCH): new.
799 * flow.c (update_life_info): Measure time.
800 * c-decl.c: Include timevar.h
801 (c_expand_body): Measure time.
802 * toplev.c (rest_of_compilation): Measure time of mode switching
804 * Makefile.in (c-decl.o, cfgcleanup.o): Add dependency.
806 * toplev.c (flag_asynchronous_unwind_tables): New global variable.
807 (lang_independent_options): Add asynchronous-unwind-tables
808 (toplev_main): flag_asynchronous_unwind_tables implies
810 * flags.h (flag_asynchronous_unwind_tables): Declare.
811 * dwarf2out.c (dwarf2out_stack_adjust): Take into account
812 flag_asynchronous_unwind_tables.
813 (output_call_frame_info): Likewise.
814 * invoke.texi (-fasynchronous-unwind-tables): Document.
815 * i386.c (optimization_options): Enable
816 flag_asynchronous_unwind_tables.
818 * i386.c (ix86_expand_setcc): Always expect target to be QImode.
819 * i386.md (s* expanders): Destination is QImode.
821 * toplev.c (rest_of_compilation): Do not call clear_log_links.
822 * rtl.h (clear_log_links): Kill.
823 * flow.c (clear_log_links): Make static; accept blocks parameter;
824 do no clear life info.
825 (update_life_info): Call clear_log_links.
827 * cfganal.c (forwarder_block_p): Avoid active_insn_p calls.
829 2001-10-20 Neil Booth <neil@daikokuya.demon.co.uk>
831 * cpplex.c (handle_newline, skip_escaped_newlines,
832 get_effective_char, skip_block_comment, skip_line_comment,
833 parse_identifier_slow, parse_number, parse_string,
834 _cpp_lex_direct): Update to do more stepping back.
835 (trigraph_ok): Similarly. Rename trigraph_p.
836 (SAVE_STATE, RESTORE_STATE): Remove.
837 (BUFF_SIZE_UPPER_BOUND): Tweak. Add sanity check.
839 * cpplib.c (destringize): Rename destringize_and_run, and
840 call run_directive directly.
841 (_cpp_do__Pragma): Simplify.
843 2001-10-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
845 * pe.c (arm_pe_unique_section): Const-ify.
846 * pe.h (TARGET_ASM_NAMED_SECTION): Undef before defining.
847 (switch_to_section): Add static prototype.
849 * output.h (drectve_section): Prototype.
851 2001-10-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
853 * config.gcc (i[34567]86-*-gnu*, arc-*-elf*, d30v-*,
854 fr30-*-elf, hppa*64*-*-linux*, parisc*64*-*-linux*, hppa*-*-linux*,
855 parisc*-*-linux*, i370-*-linux*, i[34567]86-*-chorusos*,
856 i[34567]86-*-elf*, i[34567]86-ncr-sysv4*, i[34567]86-*-netware,
857 i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
858 i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-freebsd*,
859 i[34567]86-*-netbsdelf*, i[34567]86-*-linux*libc1,
860 i[34567]86-*-linux*, i[34567]86-moss-msdos*, i[34567]86-*-moss*,
861 i[34567]86-go32-rtems*, i[34567]86-*-rtems*, i[34567]86-*-rtemself*,
862 i[34567]86-*-solaris2*, i[34567]86-*-sysv5*, i[34567]86-*-sysv4*,
863 i[34567]86-*-udk*, i[34567]86-*-osf1*, i[34567]86-dg-dgux*,
864 i860-alliant-*, i860-*-sysv4*, ia64*-*-aix*, ia64*-*-linux*,
865 ia64*-*-hpux*, m32r-*-elf*, m88k-dg-dgux*, m88k-*-sysv4*, mcore-*-elf,
866 mips*-*-linux*, mn10200-*-*, mn10300-*-*, pj*-linux*, pjl-*,
867 powerpc64-*-linux*, powerpc-*-sysv*, powerpc-*-netbsd*,
868 powerpc-*-chorusos*, powerpc-*-eabiaix*, powerpc-*-eabisim*,
869 powerpc-*-elf*, powerpc-*-eabi*, powerpc-*-rtems*,
870 powerpc-*-linux*libc1, powerpc-*-linux*, powerpc-wrs-vxworks*,
871 powerpcle-wrs-vxworks*, powerpcle-*-sysv*, powerpcle-*-elf*,
872 powerpcle-*-eabisim*, powerpcle-*-eabi*, powerpcle-*-solaris2*,
873 rs6000-*-mach*, s390-*-linux*, s390x-*-linux*, sh-*-elf*,
874 sh-*-rtemself*, sh-*-rtems*, sh-*-linux*, stormy16-*-elf,
875 v850-*-rtems*, v850-*-*, x86_64-*-linux*), cris-*-aout, cris-*-elf,
876 cris-*-none, cris-*-linux*: Update ${tmfile} list.
877 (c4x-*-rtems*, c4x-*, i[34567]86-go32-rtems*, i[34567]86-*-rtemscoff*,
878 i[34567]86-*-rtems*, i[34567]86-*-rtemself*, i[34567]86-*-osf1*,
879 mn10200-*-*, mn10300-*-*, powerpc-*-beos*, powerpc-*-darwin*,
880 powerpc-wrs-vxworks*, powerpcle-wrs-vxworks*, v850-*-rtems*,
881 v850-*-*): Delete superflous ${cpu_type} setting.
882 * config/linux.h: Delete svr4.h include.
883 (SET_ASM_OP): Delete.
884 * config/netware.h (INT_ASM_OP): Undef before define.
885 * config/ptx4.h: Delete elfos.h include.
886 (PREFERRED_DEBUGGING_TYPE): Undef instead of wrapping.
887 * config/svr4.h: Delete elfos.h include. Update commentary.
888 * config/arc/arc.h, config/d30v/d30v.h, config/fr30/fr30.h,
889 config/m32r/m32r.h, config/m88k/sysv4.h, config/mn10200/mn10200.h,
890 config/mn10200/mn10300.h, config/stormy16/stormy16.h,
891 config/v850/v850.h: Delete svr4.h include.
892 * config/i370/linux.h, config/i386/osf1elf.h, config/m68k/linux.h,
893 config/m68k/m68kv4.h, config/m88k/sysv4.h,
894 config/sparc/sysv4.h: Update includes.
895 * config/i386/beos-elf.h, config/i386/netware.h, config/i386/ptx4-i.h,
896 config/i386/rtemself.h, config/i386/sol2.h, config/i386/sysv4.h,
897 config/i386/sysv5.h, config/i386/udk.h, config/ia64/linux.h,
898 config/m88k/dguxbcs.h: Delete includes.
899 * config/i386/dgux.h, config/i386/osf1elfgdb.h: Delete include.
900 (PREFERRED_DEBUGGING_TYPE): Undef before defining it.
901 * config/i860/fx2800.h (ASM_OUTPUT_SOURCE_LINE): Undef before defining
903 * config/m88k/dgux.h: Delete include.
904 (SDB_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE): Undef before
906 * config/pj/pj.h (ASM_GENERATE_INTERNAL_LABEL,
907 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Undef before defining it.
908 * config/sh/elf.h: Update include.
909 (SDB_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
910 DWARF2_ASM_LINE_DEBUG_INFO): Move behind includes.
912 2001-10-19 Catherine Moore <clm@redhat.com>
914 * config/stormy16/stormy-abi: Updates to varargs descriptions.
915 * config/stormy16/stormy16.c (stormy16_build_va_list): Reverse
916 base and count fields.
917 (stormy16_expand_builtin_va_start): last_reg_count changed to
918 size_of_reg_args. Use count + size in first comparison.
920 Fri Oct 19 15:24:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
922 * langhooks.h (LANG_HOOKS_HONOR_READONLY): New macro.
923 * toplev.h (struct lang_hooks): New field HONOR_READONLY.
924 * emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGING_P from
925 TREE_READONLY and TYPE_READONLY if lang_hooks.honor_readonly.
926 Set alignment from type if INDIRECT_REF.
927 (adjust_address_1, offset_address): Simplify alignment compuitation.
928 * expr.c (expand_expr, case INDIRECT_REF): Don't set RTX_UNCHANGING_P
929 here; done by set_mem_attributes.
931 2001-10-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
933 * Makefile.in (rtlanal.o): Depend on $(TM_P_H).
934 * arm-protos.h (rdata_section, zero_init_section, common_section):
936 * arm.h (ASM_OUTPUT_DEF_FROM_DECLS): Const-ify.
937 * avr.h (ASM_OUTPUT_SKIP): Rename macro parameter to avoid
938 traditional mode stringification.
939 * function.c (thread_prologue_and_epilogue_insns): Wrap variable
940 in macros controling its use.
941 * rtlanal.c: Include tm_p.h.
942 * varasm.c (asm_output_aligned_bss): Mark parameter with
944 (assemble_constant_align, assemble_start_function, assemble_align,
945 assemble_variable, assemble_trampoline_template,
946 output_constant_def_contents): Wrap potentially empty if-stmt body
949 2001-10-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
951 * a29k-protos.h (literal_section): Prototype.
952 * a29k.h (ASM_FILE_START): Don't discard pointer qualifier.
953 * a29k.md: Ensure function pointers are prototyped.
954 * genattrtab.c (write_eligible_delay): Mark parameter with
957 2001-10-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
959 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
960 * 1750a.c (print_operand): Fix format specifier warning.
961 * 1750a.h (ASM_FILE_START): Don't discard pointer qualifier.
962 * 1750a.md: Likewise.
963 * gcc.c (init_gcc_specs): Wrap with ENABLE_SHARED_LIBGCC.
964 * genemit.c (output_add_clobbers): Mark parameter with
966 * genrecog.c (write_subroutine): Likewise.
967 * integrate.c (expand_inline_function): Delete unused variable.
968 * varasm.c (remove_from_pending_weak_list): Wrap with
971 2001-10-19 Jakub Jelinek <jakub@redhat.com>
973 * simplify-rtx.c (simplify_plus_minus): Negate constant iff its neg
974 field is different to previous argument's neg field.
976 * config/alpha/alpha.c (summarize_insn): Don't abort on ASM_INPUT.
978 Fri Oct 19 15:24:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
980 * final.c (get_decl_from_op): New function.
981 (output_asm_insn): Call it; write "*" when item with decl is address.
983 2001-10-19 Janis Johnson <janis187@us.ibm.com>
985 * doc/install.texi (Specific, sparc-sun-solaris2*) Copy documentation
986 about 64-bit support from the 3.0_branch version.
988 2001-10-19 Zack Weinberg <zack@codesourcery.com>
990 * aclocal.m4 (AM_WITH_NLS): AC_DEFINE HAVE_LIBINTL_H and
991 USE_INCLUDED_LIBINTL when appropriate.
992 * configure, config.in: Regenerate.
993 * Makefile.in (datadir): Set to @datadir@.
994 (intl.o): Also depend on $(CONFIG_H) and system.h.
996 * intl.c: Factor out common gettext initialization sequence.
997 (gcc_init_libintl): New function.
998 * intl.h: Include intl/libgnuintl.h if USE_INCLUDED_LIBINTL;
999 otherwise include libintl.h if HAVE_LIBINTL_H; otherwise turn
1000 off NLS. Add multiple include guard. No need to #ifdef-guard
1001 an #undef. Prototype gcc_init_libintl here.
1003 * collect2.c (main), cppmain.c (general_init), gcc.c (main),
1004 gcov.c (main), protoize.c (main), toplev.c (toplev_main):
1005 Use gcc_init_libintl.
1007 2001-10-19 Catherine Moore <clm@redhat.com>
1009 * config/stormy16/stormy16.h (ASM_COMMENT_START): Define.
1011 * config/stormy16/stormy16.c (stormy16_split_move): Make
1012 sure that REG_INC notes are present for auto_inc operands.
1014 2001-10-19 Andreas Jaeger <aj@suse.de>
1016 * configure: Regenerated.
1017 * configure.in: Add x86_64 to switch statements.
1019 2001-10-18 Richard Henderson <rth@redhat.com>
1021 * config/alpha/alpha.md (sibcall_osf_1): Load destination
1022 address into $27 explicitly.
1023 (sibcall_value_osf_1): Likewise.
1025 Thu Oct 18 16:07:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1027 * emit-rtl.c (gen_reg_rtx): Also reallocate reg_decl array.
1028 (offset_address): New function.
1029 (free_emit_status): Free regno_decl.
1030 (init_emit): Pass proper number of elements to xcalloc.
1031 Allocate regno_decl.
1032 (mark_emit_status): Mark regno_decl values.
1033 * expr.c (highest_pow2_factor): New function.
1034 (expand_assigment): Use it and offset_address.
1035 Properly handle ptr_mode vs. Pmode in offset calculation.
1036 (store_constructor, expand_expr_unaligned): Likewise.
1037 (expand_expr, case COMPONENT_EXPR): Likewise.
1038 * expr.h (offset_address): New decl.
1039 * function.h (struct emit_status): Add regno_decl.
1040 (REGNO_DECL): New macro.
1041 * final.c (output_asm_name): Move in file and don't conditionalize
1042 on flag_print_asm_name.
1043 (output_asm_insn): Only call output_asm_name if flag_print_asm_name.
1044 Output names of operands, if known.
1045 * function.c (assign_parms): Set REGNO_DECL.
1046 * integrate.c (integrate_decl_tree): Likewise.
1047 * stmt.c (expand_decl): Likewise.
1048 * regclass.c (reg_scan_mark_refs): Propagate REGNO_DECL for copies.
1050 2001-10-18 Alexandre Oliva <aoliva@redhat.com>
1052 * attribs.c (handle_noinline_attribute): New function.
1053 (handle_used_attribute): Likewise.
1054 (c_common_attribute_table): Added noinline and used.
1055 * doc/extend.texi (Function Attributes): Document them.
1056 * c-decl.c (duplicate_decls): Propagate DECL_UNINLINABLE.
1057 Warn when merging inline with attribute noinline.
1058 (start_decl, start_function): Warn if inline and attribute
1059 noinline appear in the same declaration.
1061 2001-10-17 Neil Booth <neil@daikokuya.demon.co.uk>
1063 * config.gcc: Update c4x and i370 for C front end-specific
1065 * config/c4x/c4x-c.c: New.
1066 * config/c4x/c4x-protos.h (c4x_handle_pragma): Remove.
1067 (code_tree, data_tree, pure_tree, noreturn_tree, interrupt_tree):
1069 * config/c4x/c4x.c: Don't include c-lex.h or c-pragma.h.
1070 (code_tree, data_tree, pure_tree, noreturn_tree, interrupt_tree):
1072 (c4x_init_pragma): Remove.
1073 (c4x_parse_pragma, c4x_pr_CODE_SECTION, c4x_pr_DATA_SECTION,
1074 c4x_pr_FUNC_IS_PURE, c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT,
1075 c4x_pr_ignored): Move to c4x-c.c.
1076 * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Update.
1077 * config/c4x/t-c4x: Update.
1078 * config/i370/i370-c.c: New.
1079 * config/i370/i370.c: Don't include c-lex.h or c-pragma.h.
1080 (i370_pr_map): Move to i370-c.c.
1081 * config/i370/t-i370: New.
1083 * doc/tm.texi: Update.
1085 2001-10-17 Stan Shebs <shebs@apple.com>
1087 * config/rs6000/rs6000.c: Make assorted mechanical formatting and
1088 typo fixes throughout.
1089 (machopic_output_stub): Remove some dead code.
1091 2001-10-17 Richard Earnshaw <rearnsha@arm.com>
1093 * cpplex.c (_cpp_get_buff): Fix off-by-one error that caused memory
1096 Wed Oct 17 05:26:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1098 * Makefile.in (print-rtl.o): Depend on TREE_H.
1099 * alias.c (get_alias_set): Make two passes over objects to first
1100 see if inner object is access via restricted pointer.
1101 Defer allocating alias set for restricted pointer until here.
1102 Call find_placeholder with second arg nonzero.
1104 * c-common.c (c_apply_type_quals_to_decl): Defer getting alias
1105 set for restricted pointer types.
1106 * emit-rtl.c (set_mem_attributes): Set more attributes.
1107 (set_mem_align, change_address, adjust_address_1): New functions.
1108 (change_address_1): Now static.
1109 (adjust_address, adjust_address_nv): Deleted.
1110 (replace_equiv_address): Call change_address_1.
1111 * expr.c (get_inner_reference): Handle PLACEHOLDER_EXPR.
1112 (find_placeholder): Get starting point from PLIST arg.
1113 (expand_expr, case PLACEHOLDER_EXPR): Initialize find_placeholder arg.
1114 * expr.h (set_mem_align, change_address, adjust_address_1): New decls.
1115 (adjust_address, adjust_address_nv): New macros.
1116 * print-rtl.c (tree.h): New include.
1117 (print_rtx, case MEM): Print all memory attributes.
1119 2001-10-17 Richard Henderson <rth@redhat.com>
1121 * config/alpha/alpha.c (direct_call_operand): Don't fall off end.
1123 2001-10-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1125 * c-tree.texi: Eliminate duplicated word.
1126 * cpp.texi: Likewise.
1127 * install.texi: Likewise.
1128 * invoke.texi: Likewise.
1129 * tm.texi: Likewise.
1131 2001-10-17 Michael Collison <collison@isisinc.net>
1133 * dsp16xx.c: Fix comment formatting to match GNU standards.
1134 (dsp16xx_output_function_prologue): Change type of 'size'
1135 parameter from 'int' to HOST_WIDE_INT.
1136 (dsp16xx_output_function_epilogue): Change type of 'size'
1137 parameter from 'int' to HOST_WIDE_INT.
1139 2001-10-16 Richard Henderson <rth@redhat.com>
1141 * configure.in (HAVE_AS_GOTOFF_IN_DATA): New x86 check.
1142 * configure, config.in: Rebuild.
1144 * config/i386/i386.c (ix86_output_addr_vec_elt): New.
1145 (ix86_output_addr_diff_elt): New.
1146 * config/i386/i386.h (ASM_OUTPUT_ADDR_VEC_ELT): Use them.
1147 (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
1148 (JUMP_TABLES_IN_TEXT_SECTION): New.
1149 * config/i386/i386.md (tablejump): Handle HAVE_AS_GOTOFF_IN_DATA.
1150 * config/i386/i386-protos.h: Update.
1152 * config/i386/386bsd.h, config/i386/beos-elf.h,
1153 config/i386/freebsd-aout.h, config/i386/freebsd.h,
1154 config/i386/i386-interix.h, config/i386/i386elf.h,
1155 config/i386/linux.h, config/i386/netbsd-elf.h,
1156 config/i386/netbsd.h, config/i386/openbsd.h,
1157 config/i386/ptx4-i.h, config/i386/rtemself.h,
1158 config/i386/sco5.h, config/i386/sysv4.h, config/i386/x86-64.h
1159 (ASM_OUTPUT_ADDR_DIFF_ELT, JUMP_TABLES_IN_TEXT_SECTION): Remove.
1161 2001-10-16 Florian Weimer <fw@deneb.enyo.de>
1163 * stmt.c (expand_asm_operands): Update commentary.
1165 2001-10-16 Stan Shebs <shebs@apple.com>
1167 * config/darwin.h (GCC_NAME): Remove, no longer used.
1168 (NO_MATH_LIBRARY): Ditto.
1169 (MATH_LIBRARY): Define to emptiness.
1170 (DWARF2_DEBUGGING_INFO): Define.
1171 (PREFERRED_DEBUGGING_TYPE): Define.
1172 (EXTRA_SECTION_FUNCTIONS): Add darwin_exception_section.
1173 (EXCEPTION_SECTION): Define.
1174 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1175 * config/darwin.c (darwin_encode_section_info): Handle case of
1176 DECL_INITIAL being error_mark_node.
1178 2001-10-16 Richard Henderson <rth@redhat.com>
1180 * alpha.c (current_file_function_operand): Don't fail for profiling.
1181 (direct_call_operand): New.
1182 * alpha-protos.h: Declare it.
1183 * alpha.h (EXTRA_CONSTRAINT): Use it.
1184 (PREDICATE_CODES): Add it.
1185 (ASM_OUTPUT_MI_THUNK): Remove.
1186 * alpha32.h (ASM_OUTPUT_MI_THUNK): Remove.
1187 * alpha.md (sibcall_osf_1, sibcall_value_osf_1): Add 's' alternative.
1189 2001-10-16 Krister Walfridsson <cato@df.lth.se>
1191 * config/i386/netbsd-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Define.
1192 (JUMP_TABLES_IN_TEXT_SECTION): Define.
1194 Wed Oct 17 00:21:31 CEST 2001 Jan Hubicka <jh@suse.cz>
1196 * cfg.c (free_edge): Break out from ....
1197 (remove_edge): ... here.
1198 (clear_edges): Use free_edge.
1200 * att.h (ASM_QUAD): Add comment.
1201 * bsd.h, sco5.h, sun386.h (ASM_QUAD): Define.
1203 Wed Oct 17 00:01:02 CEST 2001 Jan Hubicka <jh@suse.cz>
1205 * i386.c (split_ti): New function.
1206 (ix86_split_to_parts): Support TImodes.
1207 * i386.h (VALID_INT_MODE_P): Add TImode.
1208 * i386.md (movdi splitter): Fix.
1209 (movti): Support 64bit integer registers.
1210 (movti_rex64): New function and splitter.
1212 * i386.c (*_cost): Add movsx/movzx cost.
1213 * i386.h (struct processor_costs): Add movsx/movzx fields.
1214 (RTX_COSTS): Handle zero/sign extend + avoid believing that
1215 64bit operations require split on 64bit machine.
1216 (CONST_COST): Make large 64bit constants expensive on 64bit compilation.
1218 * i386.c (ix86_setup_incoming_varargs): Fix mode of PLUS.
1219 (ix86_expand_move): Avoid pushes of memory if size does not match;
1220 move long constants to register.
1221 (x86_initialize_trampoline): Fix mode.
1222 * i386.h (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT):
1223 Use ASM_QUAD on 64bit.
1224 * i386.md (test pattern): Disallow impossible constants.
1225 (tablejump PIC expander): Fix emitting of sum.
1226 (movdicc_rex64): Rename to movdicc.
1227 * linux64.h (LINK_SPEC): Add missing '%'.
1229 2001-10-16 Alexandre Oliva <aoliva@redhat.com>
1231 * tree-inline.c (inlinable_function_p): Leave it up to the
1232 front-end to turn -finline-functions into DECL_INLINE set for all
1235 2001-10-16 Stan Shebs <shebs@apple.com>
1237 * config/rs6000/darwin.h (ASM_COMMENT_START): Define.
1239 2001-10-16 Alan Modra <amodra@bigpond.net.au>
1241 * recog.c: Formatting and comment typo fixes.
1243 * configure.in (gcc_cv_as_bfd_srcdir): New. Use it to find gas
1244 version in single tree build.
1245 * configure: Regenerate.
1247 2001-10-15 David Edelsohn <edelsohn@gnu.org>
1249 * config/rs6000/rs6000.md (cr_logical): Swap order of CODE and
1250 MODE arguments to gen_rtx and compare operand with const0_rtx.
1252 2001-10-15 Neil Booth <neil@daikokuya.demon.co.uk>
1254 * system.h: Poison old unused target macros.
1255 * config/dsp16xx.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
1256 * config/stormy16/stormy16.c: Update references to obsolete macros.
1257 * config/stormy16/stormy16.h: Similarly.
1258 * config/stormy16/stormy16.md: Similarly.
1259 * config/cris/cris.h: Similarly.
1261 2001-10-15 Neil Booth <neil@daikokuya.demon.co.uk>
1263 * cpplib.c (struct pragma_entry): Store the name as a hashnode.
1264 (lookup_pragma_entry, insert_pragma_entry, do_pragma,
1265 cpp_register_pragma): Update accordingly.
1267 2001-10-14 Neil Booth <neil@daikokuya.demon.co.uk>
1269 * c-pragma.h (cpp_register_pragma_space): Remove.
1270 * cpplib.h (cpp_register_pragma_space): Remove.
1271 * cpplib.c (lookup_pragma_entry, insert_pragma_entry): New.
1272 (cpp_register_pragma_space): Remove.
1273 (cpp_register_pragma): Simplify using lookup_pragma_entry,
1275 (do_pragma): Similarly.
1276 (_cpp_init_internal_pragmas): Don't register namespaces.
1278 * config/v850/v850.h (REGISTER_TARGET_PRAGMAS):
1279 Don't register namespaces.
1280 * cp/lex.c (init_cp_pragma): Similarly.
1281 * doc/tm.texi: Update.
1283 2001-10-10 Craig Rodrigues <rodrigc@gcc.gnu.org>
1286 * config/i386/cygwin.h: Add missing space to MINGW_INCLUDES
1288 2001-10-13 Michael Collison <collison@dhcp-12-114.townisp.com>
1290 * config/dsp16xx/dsp16xx.md: Rewrite for more efficient code and
1291 add scheduling support.
1292 * config/dsp16xx/dsp16xx.h: Rewrite for more efficient code.
1293 * config/dsp16xx/dsp16xx.c: Rewrite for more efficient code.
1294 * config/dsp16xx/dsp16xx-protos.h: Add new function prototypes.
1297 2001-10-13 Hans-Peter Nilsson <hp@axis.com>
1299 * config/cris/cris.c (cris_legitimate_pic_operand): Kludge around
1300 missing CONSTANT_P test in core GCC.
1302 2001-10-12 Neil Booth <neil@daikokuya.demon.co.uk>
1304 * cppmain.c (struct printer): New member source.
1305 (scan_translation_unit): Fix spacing at start of lines.
1306 (cb_line_change): Update.
1308 * gcc.dg/cpp/spacing2.c: New test.
1310 2001-10-12 Hans-Peter Nilsson <hp@axis.com>
1312 * config/cris/arit.c: Use __builtin_labs, not abs.
1314 * config/cris/cris.h (SET_STRIPPABLE_EXECUTABLE): Don't define.
1316 * config/cris/cris.c (cris_target_asm_function_epilogue): Move
1317 misplaced sprintf and fprintf argument.
1319 2001-10-12 Zack Weinberg <zack@codesourcery.com>
1321 * ABOUT-NLS, aclocal.m4: Update i18n framework from gettext 0.10.40.
1322 * configure.in, Makefile.in: Take out obsolete check-po logic.
1323 * configure, config.in: Regenerate.
1325 2001-10-12 Ziemowit Laski <zlaski@apple.com>
1327 * objc/objc-act.c (finish_objc): Correct precondition for emitting
1328 symtab declarations.
1330 2001-10-12 Stan Shebs <shebs@apple.com>
1332 * config/rs6000/rs6000.c: Remove uses of "register" specifier in
1333 declarations of arguments and local variables.
1335 2001-10-12 Christopher Faylor <cgf@redhat.com>
1337 * config/i386/cygwin.h: Revert erroneous checkin of crtbegin and
1338 ENDFILE_SPEC definition.
1340 2001-10-12 Kazu Hirata <kazu@hxi.com>
1342 * gthr-dce.h: Fix comment formatting.
1343 * gthr-posix.h: Likewise.
1344 * gthr-single.h: Likewise.
1345 * gthr-solaris.h: Likewise.
1346 * gthr-vxworks.h: Likewise.
1347 * gthr-win32.h: Likewise.
1349 2001-10-12 Jakub Jelinek <jakub@redhat.com>
1351 * final.c (output_asm_insn): Make sure assembly dialects are
1352 terminated, not nested. Output `|' and `}' characters if they
1353 don't appear inside assembly dialect selection.
1354 * config/i386/i386.md (rep_movdi_rex64, rep_movsi, rep_movsi_rex64,
1355 rep_movqi, rep_movqi_rex64, rep_stosdi_rex64, rep_stossi,
1356 rep_stossi_rex64, rep_stosqi, rep_stosqi_rex64, strsetsi_1,
1357 strsetsi_rex_1): Add {} braces.
1359 2001-10-11 Zack Weinberg <zack@codesourcery.com>
1361 * toplev.c (compile_file): Ignore return value from yyparse.
1362 Always pop any nested binding levels after yyparse returns.
1364 2001-10-11 Richard Henderson <rth@redhat.com>
1366 * doc/c-tree.texi (Expression trees): Add VTABLE_REF.
1368 2001-10-11 Richard Henderson <rth@redhat.com>
1370 * dwarf2out.c (add_const_value_attribute): If long < HOST_WIDE_INT,
1371 fall back to add_AT_long_long for large CONST_INT.
1373 2001-10-11 Richard Henderson <rth@redhat.com>
1375 * config/i386/i386.md (setcc splitters): Add four splitters to
1376 simplify compound compares that simplify_comparison can't handle.
1378 2001-10-11 Zack Weinberg <zack@codesourcery.com>
1380 * cpplex.c (digraph_spellings, token_spellings): Make static.
1382 2001-10-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1384 * unroll.c (loop_iterations): Fixup last patch.
1386 2001-10-11 Richard Henderson <rth@redhat.com>
1388 * rtl.h (REG_VTABLE_REF): New.
1389 * rtl.c (reg_note_name): Add it.
1390 * combine.c (distribute_notes): Handle it.
1391 * final.c (final_scan_insn): Handle it.
1392 * tree.def (VTABLE_REF): New.
1393 * expr.c (expand_expr): Handle it.
1394 * varasm.c (assemble_vtable_entry, assemble_vtable_inherit): New.
1395 * output.h: Declare them.
1397 2001-10-11 Richard Henderson <rth@redhat.com>
1399 * dwarf2out.c (rtl_for_decl_location): If no DECL_RTL, look
1402 2001-10-11 David Edelsohn <edelsohn@gnu.org>
1404 * config/rs6000/xcoff.h (UNALIGNED_DOUBLE_INT_ASM_OP): Only
1405 available in 64-bit mode.
1407 2001-10-11 Hans-Peter Nilsson <hp@axis.com>
1409 * config.gcc: Add cris-*-aout, cris-*-elf, cris-*-none,
1410 cris-*-linux* cases.
1411 * config/cris/cris-protos.h: New file.
1412 * config/cris/cris.c: New file.
1413 * config/cris/cris.h: New file.
1414 * config/cris/cris.md: New file.
1415 * config/cris/linux.h: New file.
1416 * config/cris/aout.h: New file.
1417 * config/cris/arit.c: New file.
1418 * config/cris/cris_abi_symbol.c: New file.
1419 * config/cris/mulsi3.asm: New file.
1420 * config/cris/t-aout: New file.
1421 * config/cris/t-cris: New file.
1422 * config/cris/t-elfmulti: New file.
1423 * config/cris/t-linux: New file.
1424 * doc/invoke.texi: Add CRIS options.
1425 * doc/install.texi (Specific): Add blurb for CRIS.
1427 2001-10-10 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1429 * config/float-i128.h: Make sure __STDC__VERSION__ is defined
1431 * config/float/i32.h: Likewise.
1432 * config/float-i386.h: Likewise.
1433 * config/float-i64.h: Likewise.
1434 * config/float-m68k.h: Likewise.
1435 * config/float-sh.h: Likewise.
1436 * config/float-sparc.h: Likewise.
1438 2001-10-11 Hans-Peter Nilsson <hp@axis.com>
1440 * doc/contrib.texi: Add note about CRIS port to my entry.
1442 2001-10-11 Kazu Hirata <kazu@hxi.com>
1444 * basic-block.h: Fix formatting.
1445 * bitmap.h: Likewise.
1446 * cpplib.h: Likewise.
1447 * c-tree.h: Likewise.
1448 * diagnostic.h: Likewise.
1449 * flags.h: Likewise.
1451 * longlong.h: Likewise.
1453 * reload.h: Likewise.
1457 2001-10-10 Richard Henderson <rth@redhat.com>
1459 * c-parse.in (asm_operand): Allow named operands.
1460 * genconfig.c (max_recog_operands): Set to 29.
1461 * local-alloc.c (requires_inout): Skip multiple digits.
1462 * recog.c (asm_operand_ok): Likewise.
1463 (preprocess_constraints): Use strtoul for matching constraints.
1464 (constrain_operands): Likewise.
1465 * regmove.c (find_matches): Likewise.
1466 * reload.c (find_reloads): Likewise.
1467 * stmt.c (parse_output_constraint): Don't reject in-out
1468 constraint on operands > 9. Reject '[' in constraint.
1469 (expand_asm_operands): Handle named operands. Use strtoul
1470 for matching constraints.
1471 (check_operand_nalternatives): Split out from expand_asm_operands.
1472 (check_unique_operand_names): New.
1473 (resolve_operand_names, resolve_operand_name_1): New.
1475 * doc/extend.texi (Extended Asm): Document named operands.
1476 * doc/md.texi (Simple Constraints): Document matching constraints
1479 2001-10-10 Richard Henderson <rth@redhat.com>
1481 * combine.c (try_combine): Handle a SEQUENCE of one insn.
1483 * i386.c (test splitter): Narrow tests vs paradoxical subregs.
1484 (jcc splitters): Add two splitters to simplify compound compares
1485 that simplify_comparison can't handle.
1487 2001-10-10 Richard Henderson <rth@redhat.com>
1489 * langhooks.c: Include langhooks.h.
1490 * Makefile.in (langhooks.o): Depend on it.
1492 Wed Oct 10 23:49:06 EDT 2001 John Wehle (john@feith.com)
1494 * rtlanal.c (noop_move_p): Insns with a REG_RETVAL note
1495 should not be considered as a no-op.
1496 * flow.c (delete_noop_moves): Handle REG_LIBCALL notes.
1498 2001-10-10 Stan Shebs <shebs@apple.com>
1500 * alias.c: Remove uses of "register" specifier in declarations
1501 of arguments and local variables.
1502 * c-common.c: Ditto.
1503 * c-convert.c: Ditto.
1505 * c-format.c: Ditto.
1506 * c-semantics.c: Ditto.
1507 * c-typeck.c: Ditto.
1508 * caller-save.c: Ditto.
1511 * cfgbuild.c: Ditto.
1513 * collect2.c: Ditto.
1517 * cppfiles.c: Ditto.
1520 * defaults.h: Ditto.
1522 * dwarf2out.c: Ditto.
1523 * dwarfout.c: Ditto.
1524 * emit-rtl.c: Ditto.
1529 * fix-header.c: Ditto.
1530 * floatlib.c: Ditto.
1532 * fold-const.c: Ditto.
1533 * function.c: Ditto.
1536 * gen-protos.c: Ditto.
1537 * genattrtab.c: Ditto.
1538 * gencheck.c: Ditto.
1539 * genconfig.c: Ditto.
1541 * genextract.c: Ditto.
1542 * genflags.c: Ditto.
1543 * gengenrtl.c: Ditto.
1544 * genoutput.c: Ditto.
1546 * genrecog.c: Ditto.
1547 * gensupport.c: Ditto.
1551 * haifa-sched.c: Ditto.
1552 * hard-reg-set.h: Ditto.
1554 * integrate.c: Ditto.
1557 * local-alloc.c: Ditto.
1559 * mips-tdump.c: Ditto.
1560 * mips-tfile.c: Ditto.
1563 * print-rtl.c: Ditto.
1564 * read-rtl.c: Ditto.
1567 * reg-stack.c: Ditto.
1568 * regclass.c: Ditto.
1573 * resource.c: Ditto.
1577 * sched-deps.c: Ditto.
1578 * sched-rgn.c: Ditto.
1580 * simplify-rtx.c: Ditto.
1582 * stor-layout.c: Ditto.
1589 * xcoffout.c: Ditto.
1591 2001-10-10 Richard Henderson <rth@redhat.com>
1593 * rtl.h (can_reverse_comparison_p): Remove.
1595 2001-10-10 Christopher Faylor <cgf@redhat.com>
1597 * config/i386/cygwin.h: Avoid adding include files if -nostdinc is
1600 2001-10-10 Danny Smith <danny_r_smith_2001@yahoo.co.nz>
1602 * config/i386/mingw32.h (WIN32_NO_ABSOLUTE_INST_DIRS): New define.
1603 (Thanks to Chris Faylor for suggesting macro name).
1604 (CPP_PREDEFINES): Define __MINGW32__ but don't set value; add more
1606 (STANDARD_INCLUDE_DIR): Remove i386- from directory name.
1607 (STANDARD_INCLUDE_COMPONENT): Change to MINGW.
1608 (MATH_LIBRARY): Undef before definition.
1609 (OUTPUT_QUOTED_STRING): Likewise.
1610 * config/i386/cygwin.h: Use WIN32_NO_ABSOLUTE_INST_DIRS.
1612 2001-10-10 Richard Henderson <rth@redhat.com>
1614 * unwind-dw2-fde.c (fde_compare_t): Change return type to int.
1615 (fde_unencoded_compare): Likewise. Don't use subtraction to get
1616 a tristate comparison value.
1617 (fde_single_encoding_compare, fde_mixed_encoding_compare): Likewise.
1619 2001-10-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1622 * unroll.c (loop_iterations): Ignore insns generated by loop
1625 * config.gcc (mips*-*-gnu*): Delete support.
1626 * config/mips/gnu.h: Remove.
1628 2001-10-10 Kazu Hirata <kazu@hxi.com>
1630 * calls.c: Fix formatting.
1631 * c-decl.c: Likewise.
1632 * cfgcleanup.c: Likewise.
1633 * combine.c: Likewise.
1634 * cppfiles.c: Likewise.
1635 * cpplib.c: Likewise.
1636 * cppmacro.c: Likewise.
1637 * crtstuff.c: Likewise.
1639 * dwarf2out.c: Likewise.
1640 * expmed.c: Likewise.
1642 * fold-const.c: Likewise.
1643 * function.c: Likewise.
1645 * genattrtab.c: Likewise.
1646 * ggc-page.c: Likewise.
1647 * integrate.c: Likewise.
1648 * libgcc2.c: Likewise.
1650 * optabs.c: Likewise.
1651 * profile.c: Likewise.
1652 * protoize.c: Likewise.
1654 * recog.c: Likewise.
1655 * reload1.c: Likewise.
1656 * reload.c: Likewise.
1657 * reorg.c: Likewise.
1658 * resource.c: Likewise.
1659 * sched-rgn.c: Likewise.
1660 * sdbout.c: Likewise.
1662 * toplev.c: Likewise.
1663 * varasm.c: Likewise.
1665 2001-10-10 Janis Johnson <janis187@us.ibm.com>, Alexandre Oliva <aoliva@redhat.com>
1667 * langhooks.c: Include rtl.h, insn-config.h and integrate.h.
1668 * Makefile.in (langhooks.o): Add dependencies.
1670 Wed Oct 10 00:41:29 EDT 2001 John Wehle (john@feith.com)
1672 * rs6000.c (rs6000_emit_load_toc_table): Don't
1673 strdup the toc label.
1674 (create_TOC_reference): Likewise.
1676 2001-10-09 Danny Smith <danny_r_smith_2001@yahoo.co.nz>
1678 * config.gcc (i[34567]86-*-mingw32*): Make msvcrt-dependent
1681 2001-10-09 Danny Smith <danny_r_smith_2001@yahoo.co.nz>
1683 * config/i386/i386.c (ix86_attribute_table): Correct
1684 min_len, max_len fields for dllimport, dllexport and shared.
1686 2001-10-10 Joseph S. Myers <jsm28@cam.ac.uk>
1688 * doc/c-tree.texi, doc/cppinternals.texi, doc/extend.texi,
1689 doc/install.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi:
1690 Consistently use "nonzero" instead of "non-zero".
1692 2001-10-09 Kazu Hirata <kazu@hxi.com>
1694 * acconfig.h: Fix comment formatting.
1695 * c-dump.h: Likewise.
1696 * c-tree.h: Likewise.
1697 * conditions.h: Likewise.
1699 * function.h: Likewise.
1701 * hwint.h: Likewise.
1702 * integrate.h: Likewise.
1705 * optabs.h: Likewise.
1707 2001-10-09 Kazu Hirata <kazu@hxi.com>
1709 * c-common.h: Fix comment formatting.
1710 * c-dump.c: Likewise.
1712 * diagnostic.h: Likewise.
1713 * except.c: Likewise.
1715 * gcov-io.h: Likewise.
1716 * genattrtab.c: Likewise.
1717 * output.h: Likewise.
1718 * predict.h: Likewise.
1719 * reload1.c: Likewise.
1720 * reload.h: Likewise.
1721 * resource.h: Likewise.
1723 * system.h: Likewise.
1725 * tree-inline.c: Likewise.
1726 * tsystem.h: Likewise.
1727 * varasm.c: Likewise.
1728 * xcoffout.h: Likewise.
1730 2001-10-09 Joseph S. Myers <jsm28@cam.ac.uk>
1732 * doc/gcc.texi: Document preference for "nonzero" over "non-zero".
1734 2001-10-09 Joseph S. Myers <jsm28@cam.ac.uk>
1736 * config/alpha/freebsd.h, config/alpha/lib1funcs.asm,
1737 config/i386/i386elf.h, config/i386/netbsd-elf.h,
1738 config/i386/netware.h, config/mcore/gfloat.h,
1739 config/mcore/mcore.c, config/mcore/mcore.h, config/mcore/mcore.md,
1740 config/netware.h, gccbug.in: Update FSF address.
1742 2001-10-09 Kazu Hirata <kazu@hxi.com>
1744 * c-common.c: Fix comment typos.
1745 * cfgrtl.c: Likewise.
1746 * collect2.c: Likewise.
1747 * cpplex.c: Likewise.
1748 * doloop.c: Likewise.
1749 * dwarf2out.c: Likewise.
1750 * dwarfout.c: Likewise.
1752 * fold-const.c: Likewise.
1756 * global.c: Likewise.
1757 * ifcvt.c: Likewise.
1759 * optabs.c: Likewise.
1760 * protoize.c: Likewise.
1761 * regclass.c: Likewise.
1762 * reorg.c: Likewise.
1766 * doc/cpp.texi: Likewise.
1767 * doc/c-tree.texi: Likewise.
1768 * doc/extend.texi: Likewise.
1769 * doc/invoke.texi: Likewise.
1770 * doc/objc.texi: Likewise.
1771 * doc/tm.texi: Likewise.
1773 2001-10-08 Richard Henderson <rth@redhat.com>
1775 * varasm.c (set_named_section_flags): Initialize "declared".
1777 2001-10-08 Robert Lipe <robertlipe@usa.net>
1779 * varasm.c (struct in_named_entry): Add declared.
1780 (named_section_first_declaration): New function.
1781 (default_elf_asm_named_section): Use it.
1782 * output.h (named_section_first_declaration): New.
1784 2001-10-08 Richard Henderson <rth@redhat.com>
1786 * i386.md (movsi_xor): Export.
1787 (setcc peep2): Use it when available; add an alternative to
1788 match zero_extendhisi2_and.
1790 2001-10-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1792 * romp-protos.h (romp_initialize_trampoline): New function.
1793 * romp.c (romp_initialize_trampoline): Likewise.
1794 * romp.h (INITIALIZE_TRAMPOLINE): Define in terms of
1795 romp_initialize_trampoline.
1797 2001-10-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1799 * m68k/3b1.h (ASM_OUTPUT_SOURCE_LINE): Don't reference `last_linenum'.
1800 * m68k/auxas.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
1801 * m68k/crds.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
1802 * m68k/mot3300.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
1804 2001-10-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1806 * unroll.c (loop_iterations): Extend check for multiple back edges.
1808 2001-10-08 Alexandre Oliva <aoliva@redhat.com>
1810 * langhooks.h: New file.
1811 * Makefile.in (OBJS): Added langhooks.o.
1812 (c-lang.o): Depend on langhooks.h.
1813 (c-common.o): Don't depend on tree-inline.h.
1814 (tree-inline.o): Depend on toplev.h.
1815 (langhooks.o): New rule.
1816 * c-common.c: Don't include tree-inline.h.
1817 (c_mark_lang_decl): Mark argument c as unused.
1818 (c_common_lang_init): Don't initialize hooks here.
1819 * c-lang.c: Include langhooks.h, then override some macros.
1820 (lang_hooks): Initialize with macros in langhooks.h.
1821 (c_init): Don't initialize hooks here.
1822 * toplev.c (struct lang_hooks_for_tree_inlining): New struct.
1823 (struct lang_hooks): Add tree_inlining. Refer to langhooks.h.
1824 * tree-inline.c: Include toplev.h. Don't define hook variables.
1825 * tree-inline.h: Don't define hook types nor declare hook
1826 variables. Move macros to...
1827 * langhooks.c: ... new file, as functions. Adjust all callers.
1829 2001-10-08 Jeffrey A Law <law@cygnus.com>
1831 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Call
1832 purge_mem_unchanging_flag on all instructions, not just on those
1833 before NOTE_INSN_FUNCTION_BEG.
1835 2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
1837 * cppmacro.c (_cpp_create_definition): Leave comments off.
1839 * doc/cpp.texi: Update.
1841 2001-10-08 DJ Delorie <dj@redhat.com>
1843 * c-decl.c (grokfield): Make sure the only unnamed fields
1844 we're allowing are either structs or unions.
1845 * doc/extend.texi: Add documentation for the unnamed field
1848 2001-10-08 Zack Weinberg <zack@codesourcery.com>
1850 * aclocal.m4 (gcc_AC_PROG_GNAT): New.
1851 * configure.in: Use it.
1852 * configure: Regenerated.
1853 * config/pa/t-linux, config/pa/t-pa, config/pa/t-pa64,
1854 config/pa/t-pro: Set T_ADAFLAGS, not ADA_CFLAGS.
1856 2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
1858 * cppfiles.c (open_file): Don't mark zero-length files
1859 never-reread here. Don't output diagnostics here either.
1860 (stack_include_file): Mark them never-reread here.
1861 (_cpp_read_file): Update.
1863 2001-10-08 Richard Henderson <rth@redhat.com>
1865 * config/i386/sol2.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1867 2001-10-08 Richard Henderson <rth@redhat.com>
1869 * expr.c (store_expr): When converting a CONST_INT for storage
1870 in a SUBREG, convert it to both SUBREG modes before stripping
1873 2001-10-08 Richard Henderson <rth@redhat.com>
1875 * varasm.c (restore_varasm_status): New.
1876 * function.h: Declare it.
1877 * function.c (pop_function_context_from): Call it.
1879 2001-10-08 Richard Henderson <rth@redhat.com>
1881 * c-common.h (struct c_lang_decl): Add declared_inline.
1882 * c-tree.h (DECL_DECLARED_INLINE_P): New.
1883 * c-lang.c (c_disregard_inline_limits): Use it.
1884 * c-decl.c (duplicate_decls): Likewise.
1885 (pushdecl, redeclaration_error_message): Likewise.
1886 (pushdecl): Allocate DECL_LANG_SPECIFIC if needed.
1887 (grokdeclarator): Likewise. Set DECL_DECLARED_INLINE_P.
1888 Set DECL_INLINE if -finline-functions.
1889 (store_parm_decls): Don't allocate DECL_LANG_SPECIFIC here.
1891 2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
1893 * cppmacro.c (funlike_invocation_p): Move some logic to caller
1894 in enter_macro_context. Create a padding token in its own context
1895 if necessary when the search for '(' fails.
1896 (enter_macro_context): Update.
1898 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
1900 * ChangeLog.2, c-decl.c, config/i386/i386.md, doc/gcc.texi, gcc.c,
1901 genmultilib, toplev.c: Fix spelling errors of "separate" as
1902 "seperate", and corresponding spelling errors of related words.
1904 2001-10-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1906 * builtins.c (expand_builtin_setjmp_receiver): Const-ify.
1907 * c-common.c (fname_var_t, c_tree_code_type, c_tree_code_length):
1909 * c-dump.c (dump_option_value_info): Likewise.
1910 * c-format.c (format_length_info, format_char_info,
1911 format_flag_spec, format_flag_pair, format_kind_info): Likewise.
1912 * collect2.c (names): Likewise.
1913 * cppdefault.h (default_include): Likewise.
1914 * cppexp.c (suffix, vsuf_1, vsuf_2, vsuf_3): Likewise.
1915 * flow.c (life_analysis): Likewise.
1916 * gcc.c (dir_separator_str, modify_target, option_map,
1917 target_option_translations, spec_list_1, extra_specs_1,
1918 init_spec): Likewise.
1919 * gcov.c (gcov_version_string): Likewise.
1920 * genattr.c (write_units): Likewise.
1921 * genattrtab.c (make_length_attrs, write_function_unit_info): Likewise.
1922 * gengenrtl.c (rtx_definition, defs): Likewise.
1923 * genrecog.c (pred_table): Likewise.
1924 * global.c (global_alloc): Likewise.
1925 * lcm.c (optimize_mode_switching): Likewise.
1926 * local-alloc.c (find_free_reg): Likewise.
1927 * params.h (param_info): Likewise.
1928 * predict.c (predictor_info): Likewise.
1929 * protoize.c (unexpansion_struct): Likewise.
1930 * real.c (bmask): Likewise.
1931 * recog.h (insn_operand_data, insn_data): Likewise.
1932 * regclass.c (initial_fixed_regs, initial_call_used_regs): Likewise.
1933 * stmt.c (expand_nl_goto_receiver): Likewise.
1934 * toplev.c (da, debug_args, lang_opt, documented_lang_options,
1935 target_switches, target_options): Likewise.
1936 * tradcif.y (token, tokentab2, yylex): Likewise.
1937 * tree.h (attribute_spec): Likewise.
1939 * alpha.c (override_options, alpha_lookup_xfloating_lib_func):
1941 * arc.c (arc_output_function_epilogue): Likewise.
1942 * arm.c (processors, all_cores, all_architectures,
1943 arm_override_options, isr_attribute_arg, isr_attribute_args,
1944 arm_isr_value): Likewise.
1945 * avr.c (mcu_type_s, reg_class_tab, order_regs_for_local_alloc):
1947 * c4x.c (c4x_int_reglist): Likewise.
1948 * d30v.c (override_options): Likewise.
1949 * h8300.c (shift_insn): Likewise.
1950 * i386.c (size_cost, i386_cost, i486_cost, pentium_cost,
1951 pentiumpro_cost, k6_cost, athlon_cost, pentium4_cost, ix86_cost,
1952 ix86_expand_sse_comi, ix86_expand_sse_compare, override_options,
1953 builtin_description, bdesc_comi, bdesc_2arg, bdesc_1arg,
1954 ix86_init_mmx_sse_builtins, ix86_expand_builtin): Likewise.
1955 * i386.h (processor_costs, ix86_cost): Likewise.
1956 * m68hc11.c (m68hc11_cost, m6811_cost, m6812_cost): Likewise.
1957 * m68hc11.h (processor_costs, m68hc11_cost): Likewise.
1958 * m68k.c (codes_68881, codes_FPA): Likewise.
1959 * m88k.c (mode_from_align, max_from_align, all_from_align,
1960 best_from_align, m_options): Likewise.
1961 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
1962 * mcore.c (mode_from_align): Likewise.
1963 * mips/elf64.h (UNIQUE_SECTION): Likewise.
1964 * mips/iris6gld.h (UNIQUE_SECTION): Likewise.
1965 * mips.c (mips_sw_reg_names, mips_regno_to_class): Likewise.
1966 * mips.h (mips_regno_to_class): Likewise.
1967 * ns32k.c (scales): Likewise.
1968 * pa.c (import_string, magic_milli): Likewise.
1969 * rs6000.c (alt_reg_names, rs6000_override_options): Likewise.
1970 * sparc.c (leaf_reg_remap, sparc_override_options,
1971 reg_leaf_alloc_order, reg_nonleaf_alloc_order, reg_alloc_orders):
1973 * sparc.h (sparc_cpu_select, leaf_reg_remap): Likewise.
1975 2001-10-07 Dale Johannesen <dalej@apple.com>
1977 * reload1.c (reload_reg_free_p): Teach register interference
1978 checking that multiple output reloads are emitted in
1980 reload1.c (reload_reg_reaches_end_p): Ditto.
1981 reload1.c (reloads_conflict): Ditto.
1983 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
1985 * doc/c-tree.texi, doc/tm.texi: Consistently put NULL and
1986 NULL_TREE inside @code.
1988 2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
1990 * doc/gcc.texi: Document consistent style of "32-bit",
1991 "Objective-C", and "@code{NULL}".
1993 2001-10-06 Zack Weinberg <zack@codesourcery.com>
1995 * cpplex.c (enum spell_type): Add SPELL_NUMBER.
1996 (cpp_token_len, cpp_spell_token, cpp_output_token,
1997 _cpp_equiv_tokens): Handle it.
1998 * cpplib.h (TTYPE_TABLE): Use SPELL_NUMBER for CPP_NUMBER and
1999 CPP_COMMENT, SPELL_NONE for CPP_PADDING and CPP_EOF.
2000 * cppexp.c (_cpp_parse_expr): Use the correct operator code in
2003 Sat Oct 6 07:42:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2005 * gcc.c (default_compilers): Remove .ada.
2007 2001-10-06 Neil Booth <neil@daikokuya.demon.co.uk>
2009 * doc/cppinternals.texi: Update.
2011 2001-10-06 Zack Weinberg <zack@codesourcery.com>
2013 * gcc.c (main): Set this_file_error if the appropriate
2014 compiler for a language has not been installed.
2016 2001-10-06 Ulrich Weigand <uweigand@de.ibm.com>
2018 * config/s390/s390.c (s390_va_arg): Use set_mem_alias_set.
2020 2001-10-05 Joseph S. Myers <jsm28@cam.ac.uk>
2022 * gccbug.in (CATEGORIES): Add ada.
2024 2001-10-05 Catherine Moore <clm@redhat.com>
2026 * config/stormy16/stormy-abi: Document abi changes.
2027 * config/stormy16/stormy16.h (REG_ALLOC_ORDER): Redefine.
2028 (ICALL_REGS): New register class.
2029 (NUM_ARGUMENT_REGISTERS): Now 6.
2030 (DEFAULT_PCC_STRUCT_RETURN): Don't try to return structs
2032 (REG_CLASS_FROM_LETTER): Map 'z' to ICALL_REGS.
2033 * config/stormy16.md (call_internal, call_value_internal,
2034 indirect_jump): Use new 'z' constraint.
2036 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
2038 * doc/cppinternals.texi: Update.
2040 2001-10-05 Richard Henderson <rth@redhat.com>
2042 * dwarf2out.c (FRAME_BEGIN_LABEL): New.
2043 (output_call_frame_info): Use it instead of __FRAME_BEGIN__ and
2044 the gas section-name-as-label feature.
2046 2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
2048 * doc/cppinternals.texi: Update.
2050 Fri Oct 5 08:17:46 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2052 * config/i386/i386.c (ix86_split_to_parts): Use trunc_int_for_mode
2053 to ensure valid SImode constants.
2055 2001-10-05 Alexandre Oliva <aoliva@redhat.com>
2057 * Makefile.in (c-decl.o): Depend on tree-inline.h.
2058 (c-lang.o): Likewise, as well as insn-config.h and integrate.h.
2059 * c-decl.c: Include tree-inline.h.
2060 (c_expand_body): Call optimize_inline_calls. Determine whether
2061 a function is inlinable upfront, and only clear
2062 DECL_SAVED_TREE, DECL_INITIAL and DECL_ARGUMENTS if it isn't.
2063 * c-lang.c: Include tree-inline.h, insn-config.h and integrate.h.
2064 (c_disregard_inline_limits): New function.
2065 (inline_forbidden_p, c_cannot_inline_tree_fn): Likewise.
2066 (c_post_options): Enable tree inlining if inlining is enabled.
2067 Don't inline trees when instrumenting functions.
2068 (c_init): Initialize lang_disregard_inline_limits and
2069 lang_cannot_inline_tree_fn.
2070 * tree-inline.c (initialize_inlined_parameters): Handle calls
2071 with fewer arguments than declared parameters, and fewer
2072 parameters than passed arguments. Don't assume value is a
2074 (declare_return_variable): Convert return value back to the
2075 original type, if it was promoted.
2076 (tree_inlinable_function_p): New function.
2077 (inlinable_function_p): Don't look at DECL_INLINE if we're
2078 inlining all functions. Make it work with a NULL id.
2079 Re-check DECL_UNINLINABLE after language-specific checks.
2080 * tree-inline.h (tree_inlinable_function_p): Declare it.
2081 * integrate.c (save_for_inline): Don't bother to prepare argvec
2083 * cse.c (check_for_label_ref): Don't check deleted labels.
2085 * Makefile.in (tree-inline.o): Depend on newly-included headers.
2086 * tree-inline.c: Include headers needed for the functions moved in.
2087 (struct inline_data, INSNS_PER_STMT): Moved from cp/optimize.c.
2088 (remap_decl, remap_block, copy_scopy_stmt, copy_body_r): Likewise.
2089 (copy_body, initialize_inlined_parameters): Likewise.
2090 (declare_return_variable, inlinable_function_p): Likewise.
2091 (expand_call_inline, expand_calls_inline): Likewise.
2092 (optimize_inline_calls, clone_body): Likewise.
2093 (walk_tree, walk_tree_without_duplicates): Moved from cp/tree.c.
2094 (copy_tree_r, remap_save_expr): Likewise.
2096 2001-10-04 Alexandre Oliva <aoliva@redhat.com>
2098 * Makefile.in (OBJS): Added tree-inline.o.
2099 (c-common.o): Depend on tree-inline.h.
2100 (tree-inline.o): New target.
2101 * c-common.c: Include tree-inline.h.
2102 (c_mark_lang_decl): Don't mark saved_tree.
2103 (c_common_lang_init): Set lang_anon_aggr_type_p.
2104 * c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h.
2105 (struct c_lang_decl): Moved saved_tree to tree_decl.
2106 * ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs.
2107 * integrate.h (function_attribute_inlinable_p): Declare it.
2108 * integrate.c (function_attribute_inlinable_p): Export it.
2109 * tree-inline.c: New file. Define variables declared in...
2110 * tree-inline.h: New file. Declare functions to be moved to
2111 tree-inline.c. Define macros and declare types and hooks for
2112 language-specific tree inlining.
2113 (flag_inline_trees): Moved definition from cp/decl2.c.
2114 * tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h.
2115 (TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h.
2116 (struct tree_decl): Moved saved_tree from c_lang_decl and
2117 inlined_fns from C++'s lang_decl.
2119 2001-10-04 Loren J. Rittle <ljrittle@acm.org>
2121 * Makefile.in (STAGE2_FLAGS_TO_PASS): Remove patches which
2122 propagated HOST_CC, HOST_CFLAGS, HOST_LDFLAGS and HOST_CPPFLAGS.
2124 2001-10-04 Neil Booth <neil@daikokuya.demon.co.uk>
2126 * doc/cppinternals.texi: Update.
2128 2001-10-04 Eric Christopher <echristo@redhat.com>
2130 * config/mips/mips.c (init_cumulative_args): Remember to set
2132 * config.gcc: Redo linux configuration. Add target_cpu_default
2133 of soft-float to all mipsisa32 combinations and tx39.
2134 * config/mips/linux.h: Remove include of mips.h.
2136 2001-10-03 Loren J. Rittle <ljrittle@acm.org>
2138 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CFLAGS,
2139 HOST_LDFLAGS and HOST_CPPFLAGS.
2141 2001-10-03 Ziemowit Laski <zlaski@apple.com>
2143 * c-parse.in (objc_inherit_code, objc_pq_context,
2144 objc_public_flag): Make static.
2145 (objc_interface_context, objc_implementation_context,
2146 objc_method_context, objc_ivar_chain, objc_ivar_context): Move to
2147 global tree array in objc/objc-act.[ch].
2148 (methoddef): Remove unnecessary code.
2150 * objc/objc-act.c: (hashed_attribute, hashed_entry, imp_entry):
2151 Hoist struct definitions to objc-act.h.
2152 (nst_method_hash_list, cls_method_hash_list, imp_list, imp_count,
2153 cat_count): Place declaration in objc-act.h.
2154 (objc_tree_index): Move enumeration to objc-act.h.
2155 (objc_global_trees): Place declaration and macro accessors in
2157 (implementation_context): Remove duplicate; use
2158 objc_implementation_context instead:
2159 (method_context): Remove duplicate; use objc_method_context
2161 (objc_ellipsis_node, objc_method_prototype_template,
2162 implemented_classes, function_type): Move global vars to
2164 (init_objc): Use LAST_BASE_TREE_CODE instead of LAST_CODE.
2165 (build_message_expr): Move actual construction of ObjC message
2166 send nodes to finish_message_expr.
2167 (finish_message_expr): New routine, contains code formerly in
2169 * objc/objc-act.h (finish_message_expr): New prototype.
2170 (objc_ivar_chain, objc_method_context, objc_ellipsis_node): Remove
2171 declarations; these vars are now part of objc_global_trees.
2172 (objc_tree_index, objc_global_trees): Move definitions from
2174 * objc/objc-tree.def: Update copyright info.
2176 Wed Oct 3 12:22:11 EDT 2001 John Wehle (john@feith.com)
2178 * dwarf2asm.c (unaligned_integer_asm_op): Abort if
2180 * sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
2181 only if TARGET_ARCH64.
2183 2001-10-02 Bernd Schmidt <bernds@redhat.com>
2185 * doc/extend.texi: Fix some problems with previous checkin.
2186 * doc/invoke.texi: Likewise.
2188 2001-10-02 Neil Booth <neil@daikokuya.demon.co.uk>
2190 * cpphash.h: Update comments.
2191 (cpp_context): Update.
2192 (spec_nodes): Remove n__Pragma.
2193 * cppinit.c (cpp_create_reader): Update.
2194 (builtin_array): Add _Pragma.
2195 * cpplib.h: Update comments.
2196 (NODE_DISABLED, BT_PRAGMA): New.
2197 (cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
2198 * cppmacro.c (struct cpp_macro): Remove disabled.
2199 (builtin_macro): Return int, handle _Pragma, push the new token
2200 on the context stack.
2201 (funlike_invocation_p): Unconstify, update.
2202 (enter_macro_context): Handle builtins here.
2203 (replace_args, push_token_context, push_ptoken_context):
2204 Update for prototype changes.
2205 (_cpp_pop_context): Update.
2206 (cpp_get_token): Don't handle buitins, nor _Pragma here.
2207 (cpp_sys_macro_p): Update.
2208 (_cpp_free_definition): Clear disabled flag.
2209 (_cpp_create_definition): Upate.
2210 * cppmain.c: Update comments.
2212 Tue Oct 2 12:46:01 CEST 2001 Bo Thorsen <bo@suse.co.uk>,
2213 Andreas Jaeger <aj@suse.de>,
2214 Jan Hubicka <jh@suse.cz>
2216 * doc/invoke.texi (i386 Options): Document x86-64 options.
2217 (i386 and x86-64 Options): Rename i386 options section.
2219 * config/i386/i386.h (TARGET_UNWIND_INFO): New.
2220 (TARGET_SWITCHES): Add -munwind-info.
2221 (MASK_NO_UNWIND_INFO): New.
2222 (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for
2224 (ASM_OUTPUT_DOUBLE_INT): New.
2226 * config/i386/linux64.h: New spec file for Linux x86-64 support.
2227 * config.gcc: Fix tm_file settings for x86-64.
2228 * config/i386/x86-64.h: New file with OS independent x86-64
2230 * config/i386/biarch64.h: New file used to configure compiler
2231 to biarch/64bit compilation.
2233 * config/i386/i386.c: (override_options): Set flags default
2234 for 64bit compilation.
2236 Tue Oct 2 12:46:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2238 * i386.c (legitimize_pic_address): Add missing bits of 64bit support.
2239 (ix86_expand_int_movcc): Optimize DImode conditional moves with
2240 constants on x86_64.
2241 (ix86_attr_length_immediate_default): Support MODE_DI.
2242 * i386.md (fixdi splitter): Add missing "&& 1" in splitter
2244 (indirect_jump, tablejump): Turn into expander.
2246 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
2248 * c-common.c (c_format_attribute_table): Make format and
2249 format_arg attributes apply to function types rather than to
2251 (is_valid_printf_arglist): Construct an attribute list and pass
2252 that to check_function_format rather than a name.
2253 * c-common.h (check_function_format): Adjust prototype.
2254 * c-decl.c (duplicate_decls): Preserve attributes from type of
2255 built-in decl when allowing for harmless conflict in types.
2256 * c-format.c (record_function_format,
2257 record_international_format, function_format_list,
2258 international_format_info, international_format_list): Remove.
2259 (function_format_info): Remove next, name and assembler_name.
2260 Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
2261 (decode_format_attr): New.
2262 (handle_format_attribute): Handle receiving a type rather than a
2263 decl. Call decode_format_attr. Store format information in a
2264 function_format_info.
2265 (handle_format_arg_attribute): Correct comment. Handle receiving
2266 a type rather than a decl. Use unsigned HOST_WIDE_INT for
2268 (check_format_info_recurse, check_format_info_main): Take argument
2269 numbers as unsigned HOST_WIDE_INT.
2270 (check_function_format): Take a list of attributes from the
2271 function type rather than a name or assembler name. Check for
2272 format attributes in that list and the attributes on the type of
2273 the current function rather than looking through
2274 function_format_list.
2275 (check_format_info): Use unsigned HOST_WIDE_INT for argument
2277 (check_format_info_recurse): Take format_arg attributes from the
2278 type of the function calls rather than using
2279 international_format_list. Allow for multiple format_arg
2281 * c-typeck.c (build_function_call): Pass type attributes to
2282 check_function_format rather than name or assembler name. Don't
2283 require there to be a name or assembler name to check formats.
2285 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
2287 * attribs.c (decl_attributes): Possibly call
2288 insert_default_attributes to insert default attributes on
2289 functions in a lazy manner.
2290 * builtin-attrs.def: New file; define the default format and
2291 format_arg attributes.
2292 * c-common.c (c_format_attribute_table): Move to earlier in the
2294 (c_common_nodes_and_builtins): Initialize format_attribute_table.
2295 (enum built_in_attribute, built_in_attributes,
2296 c_attrs_initialized, c_init_attributes,
2297 c_common_insert_default_attributes): New.
2298 (c_common_lang_init): Don't initialize format_attribute_table. Do
2299 call c_init_attributes.
2300 * Makefile.in (c-common.o): Depend on builtin-attrs.def.
2301 * c-common.h (init_function_format_info): Don't declare.
2302 (c_common_insert_default_attributes): Declare.
2303 * c-decl.c (implicitly_declare, builtin_function): Call
2305 (init_decl_processing): Don't call init_function_format_info.
2306 (insert_default_attributes): New.
2307 * c-format.c (handle_format_attribute,
2308 handle_format_arg_attribute): Be quiet about inappropriate
2309 declaration when applying default attributes.
2310 (init_function_format_info): Remove.
2311 * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
2312 (insert_default_attributes): Declare.
2314 2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
2316 * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.
2318 2001-10-01 Jim Wilson <wilson@redhat.com>
2320 * sched-deps.c (add_dependence): When elide conditional dependence,
2321 check that insn doesn't modify cond2.
2323 2001-10-01 Dale Johannesen <dalej@apple.com>
2325 * config/rs6000/rs6000.h (enum processor_type): Add support
2326 for 7400 (G4) and 7450.
2328 * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
2329 (rs6000_issue_rate): Ditto.
2330 (rs6000_adjust_cost): Fix cycle counts for compares.
2331 (debug_stack_info): Fix an obvious typo.
2332 * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
2333 * doc/invoke.texi: Document.
2334 * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
2336 (PROCESSOR_DEFAULT): Ditto.
2338 2001-10-01 Loren J. Rittle <ljrittle@acm.org>
2340 * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
2341 (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
2342 later recursive make invocation.
2344 2001-10-01 Hans Boehm <boehm@acm.org>
2346 * optabs.c (emit_libcall_block): When using non-call exceptions,
2347 don't add REG_LIBCALL reg notes to trapping calls.
2349 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
2351 * flow.c (propagate_block_delete_libcall): Remove unused first arg
2352 (propagate_one_insn): Update for above change
2354 2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
2356 * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
2357 _Unwind_GetTextRelBase): Argument is unused.
2359 Mon Oct 1 19:20:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2361 * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
2362 Loop through NOPs, placeholders, and components.
2363 Don't go through NOPs if change mode.
2364 (record_alias_subset): Do nothing if SUBSET and SET are the same.
2365 * emit-rtl.c (set_mem_alias_set): Enable check.
2366 * expr.c (find_placeholder): New function.
2367 (expand_expr, case PLACEHOLDER_EXPR): Use it.
2368 (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
2369 to modify it and avoid unneeded copies.
2370 * expr.h (expand_expr): Always define.
2371 (find_placeholder): New declaration.
2373 2001-10-01 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2375 * config/m68hc11/m68hc11.md ("add-split"): Fix add split when
2376 operand 2 is the stack pointer.
2377 ("addr-peephole"): Fix address computation peephole when operand 2
2378 is the stack pointer.
2380 Mon Oct 1 09:26:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2382 * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
2383 (ix86_setup_incoming_varargs): Likewise.
2385 2001-10-01 Jason Merrill <jason_merrill@redhat.com>
2387 * stor-layout.c (layout_type): Don't complain about too-large
2390 Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2392 * function.c (keep_stack_depressed): Don't use delete_insn.
2394 * expr.h (set_mem_alias_set): Move decl to here.
2395 * rtl.h (mem_attrs): New typedef and struct.
2396 (union rtunion_def): Add field for mem_attrs.
2397 (X0MEMATTR, MEM_ATTRS): New macros.
2398 (MEM_ALIAS_SET): Use MEM_ATTRS.
2399 (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
2400 (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
2401 (set_mem_alias_set): Delete decl from here.
2403 * alias.c (set_mem_alias_set): Delete from here.
2404 * emit-rtl.c (mem_attrs_htab): New variable.
2405 (rtx_htab_mark, rtx_htab_mark_1): Deleted.
2406 (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
2407 (mem_attrs_mark, get_mem_attrs): Likewise.
2408 (gen_rtx_MEM): Clear MEM_ATTRS.
2409 (set_mem_attributes): Move to here.
2410 (set_mem_alias_set): Likewise, and call get_mem_attrs.
2411 (init_emit_once): const_int_htab now deletable htab.
2412 Initialize mem_attrs_htab.
2413 * explow.c (set_mem_attributes): Delete from here.
2414 * function.c (put_var_into_stack): Clear MEM_ATTRS.
2415 (gen_mem_addressof): Likewise; rework to use set_mem_attributes.
2416 * ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
2417 * reload1.c (reload): Rework changing REG to MEM.
2419 2001-09-30 H.J. Lu <hjl@gnu.org>
2421 * acconfig.h (PREFIX_INCLUDE_DIR): New variable.
2422 * config.in: Rebuild.
2424 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2426 * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
2427 ("tsthi_1"): Avoid allocation in register y.
2428 ("*movqi_68hc12"): Reorganize and fix constraints.
2429 ("zero_extendqisi2"): Prefer d over x and y for operand 1.
2430 ("addqi3"): Likewise.
2431 ("addhi3"): Fix constraints.
2432 ("*logicalhi3_zexthi"): Disparage soft registers.
2434 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2436 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
2439 2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2441 * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
2442 that we use setjmp/longjmp exceptions.
2444 2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk>
2446 * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
2447 POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
2448 struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
2449 _cpp_pool_alloc, _cpp_next_chunk): Remove.
2450 (_cpp_extend_buff, BUFF_ROOM): Update.
2451 (_cpp_append_extend_buff): New.
2452 (struct cpp_reader): Remove macro_pool, add a_buff.
2453 * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
2455 (cpp_destroy): Free a_buff instead of macro_pool.
2456 * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
2457 new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
2458 _cpp_pool_alloc, ): Remove.
2459 (parse_number, parse_string): Update use of _cpp_extend_buff.
2460 (_cpp_extend_buff): Update.
2461 (_cpp_append_extend_buff, cpp_aligned_alloc): New.
2462 * cpplib.c (glue_header_name, parse_answer):
2463 Update use of _cpp_extend_buff.
2464 (cpp_register_pragma, cpp_register_pragma_space): Use
2466 (do_assert, do_unassert): Check for EOL, update.
2467 * cppmacro.c (stringify_arg, collect_args): Update to use
2468 _cpp_extend_buff and _cpp_append_extend_buff.
2469 (save_parameter, parse_params, alloc_expansion_token,
2470 _cpp_create_definition): Rework memory management.
2472 2001-09-29 Andris Pavenis <pavenis@lanet.lv>
2474 * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
2475 update md_exec_prefix.
2476 (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
2479 2001-09-30 Ulrich Weigand <uweigand@de.ibm.com>
2481 * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
2482 (SELECT_CC_MODE): Use s390_select_ccmode.
2483 * config/s390/s390-protos.h (s390_select_ccmode): Add.
2484 * config/s390/s390.c (s390_select_ccmode): New.
2485 (s390_match_ccmode): Add CCLmode.
2486 (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
2487 (output_branch_condition, output_inverse_branch_condition): Removed.
2488 (print_operand): Use s390_branch_condition_mnemonic.
2489 * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
2490 subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
2491 (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
2493 * config/s390/s390.c (check_and_change_labels): Preserve CC mode
2494 when converting conditional branches to far branches.
2495 * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
2496 cmpint_di): Use CCSmode instead of CCUmode.
2498 * config/s390/s390.c (legitimate_la_operand_p): New.
2499 * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
2500 * config/s390/s390.md (movsi): Convert load address patterns to
2501 arithmetic operations when necessary.
2502 (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
2503 (do_la): Renamed to *do_la and use legitimate_la_operand_p.
2504 (*do_la_reg_0): Don't use before reload.
2506 * config/s390/s390.c (legitimize_address): Make more efficient
2507 use of two-register addressing mode.
2509 * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
2510 with -mno-backchain in some corner cases.
2512 * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
2514 2001-09-29 Alexandre Oliva <aoliva@redhat.com>
2516 * reload.c (find_reloads): Mark new USE insns with QImode.
2517 (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
2518 find_reloads_subreg_address): Likewise.
2519 * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
2521 * reload1.c (reload_combine_note_use): Likewise, inside USEs and
2523 (reload): Make sure there are no USEs with mode other than
2524 VOIDmode. At the end, remove those marked with QImode.
2526 2001-09-29 Per Bothner <per@bothner.com>
2528 * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR.
2529 * Makefile.in (includedir): Rename to local_includedir.
2530 (includedir): Define as $(prefix)/include.
2531 * config.in (PREFIX_INCLUDE_DIR): New variable.
2532 * configure.in (PREFIX_INCLUDE_DIR): Test for new variable.
2534 2001-09-29 Bernd Schmidt <bernds@redhat.com>
2536 * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
2538 * doc/extend.texi (Vector Extensions): New node.
2539 * doc/invoke.texi (Machine Dependent Options): Add documentation for
2540 i386 -mmmx, -msse, -m3dnow.
2542 Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2544 * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
2546 2001-09-29 Hans-Peter Nilsson <hp@axis.com>
2548 * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
2550 * doc/invoke.texi (Optimize Options): Delete spurious @table.
2552 2001-09-28 Richard Henderson <rth@redhat.com>
2554 * varasm.c (assemble_integer): Bound alignment check by
2557 * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
2559 2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2561 * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2563 2001-09-25 Bernd Schmidt <bernds@redhat.com>
2565 Mostly from Graham Stott <grahams@redhat.com>
2566 * c-common.c (type_for_mode): Add support for V2SFmode.
2567 * tree.c (build_common_tree_nodes_2): Likewise.
2568 * tree.h (enum tree_index, global_trees): Likewise.
2569 * config/i386/i386.c (x86_3dnow_a): New variable.
2570 (override_options): Support 3Dnow extensions.
2571 (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
2572 Athlon's version of 3Dnow.
2573 (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
2574 (ix86_expand_builtin): Handle them.
2575 (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
2576 * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
2577 TARGET_3DNOW_A): New macros.
2578 (TARGET_SWITCHES): Add 3Dnow switches.
2579 (VALID_MMX_REG_MODE_3DNOW): New macro.
2580 (VECTOR_MODE_SUPPORTED_P): Use it.
2581 (enum ix86_builtins): Add entries for 3Dnow builtins.
2582 * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
2583 pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
2584 pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
2585 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
2586 pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
2587 pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
2588 (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
2589 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
2590 mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
2591 sfence_insn, prefetch): Make these available if TARGET_SSE or
2594 Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2596 * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
2597 ix86_va_start, ix86_build_va_list): Declare.
2598 * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
2599 ix86_va_start, ix86_build_va_list): New global functions.
2600 * i386.md (sse_prologue_save_insn): New insn.
2601 (sse_prologue_save): New expander.
2602 * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
2603 BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
2605 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
2607 * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
2608 Use size_t everywhere, make definitions consistent with
2611 Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2613 * gcse.c (replace_store_insn): Use delete_insn.
2614 * loop.c (move_movables): Likewise; avoid delete_insn
2615 from clobbering notes moved elsewhere.
2616 (check_dbra_loop): Use delete_insn.
2617 * ssa.c (convert_from_ssa): Likewise.
2618 * cse.c (cse_insn): Use delete_insn.
2620 2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
2622 * cpphash.h (struct cpp_buff): Make unsigned.
2623 (_cpp_get_buff): Take length of size_t.
2624 (_cpp_unaligned_alloc): New.
2625 (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
2626 (struct cpp_reader): Remove ident_pool. Add u_buff.
2627 * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
2628 (cpp_destroy): Destroy u_buff, not ident_pool.
2629 * cpplex.c (parse_number, parse_string, save_comment,
2630 cpp_token_as_text): Update to use the unaligned buffer.
2631 (new_buff): Make unsigned.
2632 (_cpp_unaligned_alloc): New.
2633 * cpplib.c (glue_header_name): Update to use the unaligned buffer.
2634 * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
2636 (collect_args): Make unsigned.
2638 2001-09-27 Zack Weinberg <zack@codesourcery.com>
2640 * cpplex.c (cpp_output_token): Use a putc loop for
2641 SPELL_OPERATOR, and fwrite for SPELL_IDENT.
2643 * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
2644 * configure, config.in: Regenerate.
2645 * system.h: Replace fwrite and fprintf with their unlocked
2646 variants if available.
2648 2001-09-27 Richard Henderson <rth@redhat.com>
2650 * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
2651 in favour of .eh_frame.
2653 2001-09-27 Aldy Hernandez <aldyh@redhat.com>
2655 * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
2657 (LIBCALL_VALUE): Likewise.
2659 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
2661 * cpphash.h: Update comment.
2662 * cpplex.c: Update comments.
2663 (_cpp_can_paste): Remove.
2664 * cpplib.h (_cpp_can_paste): Remove.
2665 * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
2666 lexer rather than _cpp_can_paste.
2668 2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
2670 * doc/cppinternals.texi: Update.
2672 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
2674 * cpphash.h (struct cpp_pool): Remove locks and locked.
2675 (struct cpp_context): Add member buff.
2676 (struct cpp_reader): Remove member argument_pool.
2677 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
2678 * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
2679 * cpplex.c (chunk_suitable): Remove pool argument.
2680 (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
2681 (new_buff, _cpp_extend_buff): Update.
2682 (_cpp_get_buff): Fix silly pointer bug. Be more selective about
2683 which buffer is returned.
2684 (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
2685 (_cpp_lock_pool, _cpp_unlock_pool): Remove.
2686 * cppmacro.c (lock_pools, unlock_pools): Remove.
2687 (push_ptoken_context): Take a _cpp_buff.
2688 (enter_macro_context): Pool locking removed.
2689 (replace_args): Use a _cpp_buff for the replacement list with
2691 (push_token_context): Clear buff.
2692 (expand_arg): Use _cpp_pop_context.
2693 (_cpp_pop_context): Free a context's buffer, if any.
2695 2001-09-26 DJ Delorie <dj@redhat.com>
2697 * c-typeck.c (digest_init): Check for sizeless arrays.
2699 2001-09-26 Richard Henderson <rth@redhat.com>
2701 * optabs.c (init_one_libfunc): Create a dummy function type
2702 instead of using error_mark_node.
2704 2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
2706 * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
2707 _cpp_extend_buff, _cpp_free_buff): New.
2708 (struct cpp_reader): New member free_buffs.
2709 * cppinit.c (cpp_destroy): Free buffers.
2710 * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
2711 _cpp_extend_buff, _cpp_free_buff): New.
2712 * cpplib.h (struct cpp_options): Remove unused member.
2713 * cppmacro.c (collect_args): New. Combines the old parse_arg
2714 and parse_args. Use _cpp_buff for memory allocation.
2715 (funlike_invocation_p, replace_args): Update.
2717 Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2719 * final.c (final_scan_insn): Use delete_insn instead of delete_note.
2721 2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
2723 * except.c (sjlj_mark_call_sites): Change address inside sequence.
2725 2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
2727 * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
2730 2001-09-25 Janis Johnson <janis187@us.ibm.com>
2731 Jim Wilson <wilson@redhat.com>
2733 * doc/install.texi (Specific, ia64-*-linux): Document.
2735 Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2737 * Makefile.in (cfgrtl.o): Add.
2738 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
2739 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
2740 free_aux_for_edge): Declare.
2742 (HAVE_return): Undefine.
2743 * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
2744 free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
2745 free_aux_for_edge): New global functions.
2746 (first_delete_block): New static variable.
2747 (init_flow): Clear first_delete_block.
2748 (basic_block_for_insn, label_value_list, tail_recursion_label_list,
2749 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
2750 try_redirect_by_replacing_jump, last_loop_beg_note,
2751 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
2752 delete_insn, delete_insn_chain, create_basic_block_structure,
2753 create_basic_block, flow_delete_block, compute_bb_for_insn,
2754 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
2755 set_block_for_new_insns, split_block, merge_blocks_nomove,
2756 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
2757 redirect_edge_and_branch, force_nonfallthru_and_redirect,
2758 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
2759 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
2760 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
2761 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
2762 purge_all_dead_edges): Move to ....
2763 * cfgrtl.c: New file; .... Here.
2765 * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
2766 (reroder_basic_block): Use alloc_aux_for_blocks.
2767 * predict.c (estimate_bb_frequencies): Likewise; use
2768 alloc_aux_for_edges.
2769 * profile.c (compute_branch_probabilities): Likewise.
2770 (branch_prob): Likewise.
2771 * reg-stack.c (reg_to_stack): Likewise.
2773 * emit-rtl.c (emit_insns_after): Never return NULL.
2775 * basic-block.h (set_block_for_new_insns): Delete.
2776 * cfgrtl.c (set_block_for_new_insns): Delete.
2778 * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
2779 calls when crossjumping.
2781 * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
2782 * unroll.c (copy_loop_body): Use delete_insn.
2784 * final.c (final, final_scan_insn): Use delete_insn/delete_note.
2785 * function.c (fixup_var_refs_insn, fixup_var_refs_1,
2786 keep_stack_depressed): Likewise.
2787 * gcse.c (cprop_cc0_jump): Likewise.
2788 * local-alloc.c (update_equiv_regs): Likewise.
2789 * loop.c (scan_loop, loop_delete_insns): Likewise.
2790 * regmove.c (try_auto_increment, fixup_match_1): Likewise.
2791 * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
2792 delete_output_reload, delete_address_reloads_1,
2793 reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
2795 * sibcall.c (replace_call_placeholder): Likewise.
2796 * cse.c (cse_insn): Likewise.
2798 2001-09-25 Bernd Schmidt <bernds@redhat.com>
2800 From Graham Stott <grahams@redhat.com>
2801 (def_builtin): Only define builtins appropriate for target_flags. All
2803 (builtin_decsription): Add new field mask which is used to determine
2804 when to define the builtin via the macro def_builtin.
2806 (bdesc_comi): Initialise new mask fields.
2807 (bdesc_2srg): Likewise.
2808 (bdesc_1arg): Likewise.
2810 * config/i386/i386.c (ix86_init_builtins): Correct return type
2811 building v4hi_ftype_v4hi_int_int tree node.
2812 (ix86_expand_sse_comi): Fix typo swapping operands.
2813 Don't swap comparision condition, it is already swapped.
2814 (ix86_expand_sse_compare): Before swapping operands
2815 move operand 1 into new rtx and not the target rtx.
2816 Don't swap comparison condition, it is already swapped.
2817 Always check whether we need to create a new TARGET.
2819 * config/i386/i386.md: (sse_comi) Fix typos.
2820 (sse_ucomi): Likewise.
2821 (cvtss2si): Fix operand 0 contraint.
2822 (cvttss2si): Likewise.
2823 (sse_unpckhps): Fix mode for operand 2.
2824 (sse_unpcklps): Likewise.
2826 2001-09-25 Graham Stott <grahams@redhat.com>
2828 * sibcall.c (skip_copy_to_return_value): Tighten return value
2831 2001-09-24 David Edelsohn <edelsohn@gnu.org>
2833 * rs6000.c (lwa_operand): Address must be word aligned.
2835 Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2837 * tree.c (type_hash_marked_p): Consider as marked if debug symbol
2838 number has been set.
2839 (type_hash_mark): Mark type itself.
2841 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
2843 * c-lex.c (cb_def_pragma): Update.
2844 (c_lex): Update, and skip padding.
2845 * cppexp.c (lex, parse_defined): Update, remove unused variable.
2846 * cpphash.h (struct toklist): Delete.
2847 (union utoken): New.
2848 (struct cpp_context): Update.
2849 (struct cpp_reader): New members eof, avoid_paste.
2850 (_cpp_temp_token): New.
2851 * cppinit.c (cpp_create_reader): Update.
2852 * cpplex.c (_cpp_temp_token): New.
2853 (_cpp_lex_direct): Add PREV_WHITE when parsing args.
2854 (cpp_output_token): Don't print leading whitespace.
2855 (cpp_output_line): Update.
2856 * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
2857 do_include_common, do_line, do_ident, do_pragma,
2858 do_pragma_dependency, _cpp_do__Pragma, parse_answer,
2859 parse_assertion): Update.
2860 (get_token_no_padding): New.
2861 * cpplib.h (CPP_PADDING): New.
2862 (AVOID_LPASTE): Delete.
2863 (struct cpp_token): New union member source.
2864 (cpp_get_token): Update.
2865 * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
2866 (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
2867 replace_args, quote_string, stringify_arg, parse_arg, next_context,
2868 enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
2869 _cpp_backup_tokens, _cpp_create_definition): Update.
2870 (push_arg_context): Delete.
2871 (padding_token, push_token_context, push_ptoken_context): New.
2872 (make_string_token, make_number_token): Update, rename.
2873 (cpp_get_token): Update to handle tokens as pointers to const,
2874 and insert padding appropriately.
2875 * cppmain.c (struct printer): New member prev.
2876 (check_multiline_token): Constify.
2877 (do_preprocessing, cb_line_change): Update.
2878 (scan_translation_unit): Update to handle spacing.
2879 * scan-decls.c (get_a_token): New.
2880 (skip_to_closing_brace, scan_decls): Update.
2881 * fix-header.c (read_scan_file): Update.
2883 * doc/cpp.texi: Update.
2885 2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2887 * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
2888 leak by passing malloc'ed pointer to reconcat, not concat.
2890 2001-09-24 DJ Delorie <dj@redhat.com>
2892 * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
2894 2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
2896 * flow.c (delete_dead_jumptables): Delete jumptable if the only
2897 reference is from the literal pool.
2899 2001-09-24 Janis Johnson <janis187@us.ibm.com>
2901 * doc/install.texi (Final install): Request additional information
2902 in mail about successful builds.
2904 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
2906 * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
2907 initial value of return pointer register instead of value in frame-20.
2910 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
2912 * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
2913 (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
2914 the libcall if there isn't a referenced identifier for the symbol.
2916 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
2918 * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
2919 non 64-bit machines. Use these as a plabel for the trampoline.
2920 (TRAMPOLINE_SIZE): Adjust size for new words.
2921 (INITIALIZE_TRAMPOLINE): Initialize new words.
2922 (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
2923 pointer to the plabel in the trampoline.
2925 2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
2927 * pa.c (function_arg): Pass floating arguments in both general and
2928 floating registers in indirect (dynamic) calls when generating code
2929 for the 32 bit ABI and the HP assembler.
2931 2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2933 * doc/install.texi: Markup fixes.
2934 Use Solaris 2, SunOS 4 as appropriate.
2935 (Specific, *-*-solaris2*): Explain this.
2936 Unconditionally warn against /usr/ucb tools.
2937 Remove Sun as warning, obsolete.
2938 Move X11 header bug workaround here, update patches.
2939 (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
2940 (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
2942 2001-09-23 Zack Weinberg <zack@codesourcery.com>
2944 * errors.h (warning, error, fatal, internal_error): Don't mark
2945 with ATTRIBUTE_PRINTF_n.
2946 * toplev.h (internal_error, fatal_io_error, warning, error,
2947 pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
2948 error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
2951 Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2953 * function.c (pop_function_context_from): var_refs_queue
2954 and temp slots now in GC memory.
2955 (mark_function_status, free_after_compilation): Likewise;
2956 also struct function now in GC memory.
2957 (assign_stack_temp_for_type): struct temp_slot now in GC memory.
2958 (combine_temp_slots): Likewise.
2959 (schedule_fixup_var_refs): var_refs_queue now in GC memory.
2960 (prepare_function_start): Use GC memory for struct function.
2961 (mark_temp_slot): Deleted.
2962 (gcc_mark_struct_function): struct function now in GC memory.
2964 * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
2965 code for division, not modulus.
2967 * rtl.def (MEM): Remove obsolete part of comment.
2969 2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
2971 * c-format.c (init_function_format_info): Check __builtin_printf
2972 and __builtin_fprintf even if -ffreestanding. Check C99 functions
2975 Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2977 * c-common.c (format_attribute_table): Remove decl.
2978 * tree.h (format_attribute_table, lang_attribute_table): New decls.
2979 (lang_attribute_common): Likewise.
2981 * function.c (fix_lexical_address): Use set_mem_alias_set.
2982 (expand_function_start): Likewise.
2983 * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
2985 * varasm.c (output_constant): Fix unused variable warning.
2987 * attribs.c: New file, from c-common.c.
2988 (attribute_tables): Now four elements.
2989 (format_attribute_table, lang_attribute_common): New variables.
2990 (init_attributes): Reflect above changes.
2991 (handle_mode_attribute): Delete check for wider than uintmax.
2992 * c-common.c: Delete parts moved to attribs.c.
2993 (enum attrs): Deleted; unused.
2994 (c_format_attribute_table): New variable.
2995 (c_common_lang_init): Initialize format_attribute_table with it.
2996 * c-common.h (decl_attributes): Remove decl.
2997 * tree.h (decl_attribute): Move it to here.
2998 * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
2999 (attribs.o): New rule.
3001 2001-09-22 Andreas Jaeger <aj@suse.de>
3003 * builtins.c (c_getstr): Remove unused variable.
3005 2001-09-21 Richard Henderson <rth@redhat.com>
3007 * reload1.c (reload): Use delete_insn instead of splatting
3010 2001-09-21 Richard Henderson <rth@redhat.com>
3012 * reload.c (push_secondary_reload): Don't check for "=" in output
3013 constraint after ""->ALL_REGS check.
3015 2001-09-21 Richard Henderson <rth@redhat.com>
3017 * predict.c (expected_value_to_br_prob): Use pc_set.
3019 * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
3020 ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
3022 2001-09-21 Richard Henderson <rth@redhat.com>
3024 * rtl.h (LCT_RETURNS_TWICE): New.
3025 * calls.c (emit_call_1): Set current_function_calls_setjmp for
3027 (emit_library_call_value_1): Map LCT_RETURNS_TWICE
3028 to ECF_RETURNS_TWICE.
3029 * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
3032 * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
3034 * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
3035 (JMP_BUF_SIZE): New.
3037 2001-09-21 Richard Henderson <rth@redhat.com>
3039 * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
3042 2001-09-21 Richard Henderson <rth@redhat.com>
3044 * tree.def (FDESC_EXPR): New.
3045 * expr.c (expand_expr): Handle it.
3046 * varasm.c (initializer_constant_valid_p): Likewise.
3047 (output_constant): Likewise.
3048 * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
3049 * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
3050 (ASM_OUTPUT_FDESC): New.
3051 * doc/tm.texi: Document the new macros.
3053 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
3055 * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
3056 ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
3057 once merging is complete.
3059 Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3061 * integrate.c (allocate_initial_values): Eliminate unused arg warning.
3063 21-09-2001 Richard Earnshaw (reanrsha@arm.com)
3065 * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
3066 that would be invalid after a merge.
3068 Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
3070 * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
3071 * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
3073 (flow_delete_insn): This one.
3074 (delete_insn_chain): Rename from ...; do not care labels.
3075 (flow_delete_insn_chain): ... this one.
3076 (flow_delete_block): Remove the insns one BB has been expunged.
3077 (merge_blocks_nomove): Likewise.
3078 (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
3079 updating BB boundaries.
3080 (tidy_fallthru_edge): Likewise.
3081 (commit_one_edge_insertion): Likewise.
3082 * cfgbuild.c (find_basic_block): Likewise.
3083 (find_basic_blocks_1): Likewise.
3084 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
3085 (try_crossjump_to_edge): Likewise.
3086 (try_optimize_cfg): Likewise.
3087 * cse.c (delete_trivially_dead_insns): Likewise.
3088 * df.c (df_insn_delete): Likewise.
3089 * doloop.c (doloop_modify): Use delete_related_insns.
3090 * emit-rtl.c (try_split): Likewise.
3091 (remove_insn): Update BB boundaries.
3092 * expect.c (connect_post_landing_pads): Use delete_related_insns.
3093 * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
3094 updating BB boundaries.
3095 (propagate_block_delete_insn): Likewise.
3096 (propagate_block_delete_libcall): Likewise.
3097 * function.c (delete_handlers): Use delete_related_insns.
3098 (thread_prologue_and_epilogue_insns): Likewise.
3099 * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
3100 * genpeep.c (gen_peephole): Use delete_related_insns.
3101 * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
3103 (find_cond_trap): Likewise.
3104 * integrate.c (save_for_inline): Use delete_related_insns.
3105 (copy_insn_list): Likewise.
3106 * jump.c (pruge_linie_number_notes): Likewise.
3107 (duplicate_loop_exit_test): Likewise.
3108 (delete_computation): Likewise.
3109 (delete_related_insn): Rename from ...; use delete_insn
3110 (delete_insn): ... this one.
3111 (redirect_jump): Use delete_related_insns.
3112 * loop.c (scan_loop): Likewise.
3113 (move_movables): Likewise.
3114 (find_and_verify_loops): Likewise.
3115 (check_dbra_loop): Likewise.
3116 * recog.c (peephole2_optimize): Likewise.
3117 * reg-stack.c (delete_insn_for_stacker): Remove.
3118 (move_for_stack_reg): Use delete_insn.
3119 * regmove.c (combine_stack_adjustments_for_block): Likewise.
3120 * reload1.c (delete_address_reloads): Use delete_related_insns.
3121 (fixup_abnormal_edges): Use delete_insn.
3122 * recog.c (emit_delay_sequence): Use delete_related_insns.
3123 (delete_from-delay_slot): Likewise.
3124 (delete_scheduled_jump): likewise.
3125 (optimize_skip): Likewise.
3126 (try_merge_delay_insns): Likewise.
3127 (full_simple_delay_slots): Likewise.
3128 (fill_slots_from_thread): Likewise.
3129 (relax_delay_slots): Likewise.
3130 (make_return_insns): Likewise.
3131 (dbr_schedule): Likewise.
3132 * rtl.h (delete_insn): Rename to delete_related_insns.
3133 (delete_insn, delete_insn_chain): New prototypes.
3134 * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
3135 by df_insn_delete already.
3136 * ssa-dce.c (delete_insn_bb): Use delete_insn.
3137 * ssa.c (convert_from_ssa): Use delete_related_insns.
3138 * unroll.c (unroll_loop): Likewise.
3139 (calculate_giv_inc): Likewise.
3140 (copy_loop_body): Likewise.
3142 * i386-protos.h (ix86_libcall_value, ix86_function_value,
3143 ix86_function_arg_regno_p, ix86_function_arg_boundary,
3144 ix86_return_in_memory, ix86_function_value): Declare.
3145 * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
3146 new static valurables.
3147 (x86_64_reg_class): New enum
3148 (x86_64_reg_class_name): New array.
3149 (classify_argument, examine_argument, construct_container,
3150 merge_classes): New static functions.
3151 (optimization_options): Enable flag_omit_frame_pointer and disable
3152 flag_pcc_struct_return on 64bit.
3153 (ix86_libcall_value, ix86_function_value,
3154 ix86_function_arg_regno_p, ix86_function_arg_boundary,
3155 ix86_return_in_memory, ix86_function_value): New global functions.
3156 (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
3157 (function_arg_advance): Handle x86_64 passing conventions.
3158 (function_arg): Likewise.
3159 * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
3160 (RETURN_IN_MEMORY): Move offline.
3161 (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
3162 (FUNCTION_VALUE_REGNO_P): New macro.
3163 (FUNCTION_ARG_REGNO_P): Move offline.
3164 (struct ix86_args): Add maybe_vaarg.
3165 * next.h (FUNCTION_VALUE_REGNO_P): Delete.
3166 * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
3168 2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
3170 * s390.md: Changed attributes for scheduling.
3171 * s390.c: (s390_adjust_cost, s390_adjust_priority)
3174 2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
3176 Table-driven attributes.
3177 * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
3178 config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
3179 config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
3180 config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
3181 config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
3182 config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
3183 doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
3184 tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
3185 * tree.h (struct tree_decl): Change machine_attributes to
3187 * doc/c-tree.texi: Document that all attributes are now attached
3189 * c-common.c (add_attribute, attrtab, attrtab_idx,
3190 default_valid_lang_attribute, valid_lang_attribute): Remove.
3191 (attribute_tables, attributes_initialized,
3192 c_common_attribute_table, default_lang_attribute_table): New
3194 (handle_packed_attribute, handle_nocommon_attribute,
3195 handle_common_attribute, handle_noreturn_attribute,
3196 handle_unused_attribute, handle_const_attribute,
3197 handle_transparent_union_attribute, handle_constructor_attribute,
3198 handle_destructor_attribute, handle_mode_attribute,
3199 handle_section_attribute, handle_aligned_attribute,
3200 handle_weak_attribute, handle_alias_attribute,
3201 handle_no_instrument_function_attribute,
3202 handle_no_check_memory_usage_attribute, handle_malloc_attribute,
3203 handle_no_limit_stack_attribute, handle_pure_attribute): New
3205 (init_attributes, decl_attributes): Rewrite to implement
3206 table-driven attributes.
3207 * c-common.h (enum attribute_flags): Move to tree.h.
3208 * c-format.c (decl_handle_format_attribute,
3209 decl_handle_format_arg_attribute): Rename to
3210 handle_format_attribute and handle_format_arg_attribute. Update
3211 for table-driven attributes.
3212 * c-common.h (decl_handle_format_attribute,
3213 decl_handle_format_arg_attribute): Remove prototypes.
3214 (handle_format_attribute, handle_format_arg_attribute): Add
3216 * c-decl.c (grokdeclarator): Handle attributes nested inside
3218 * c-parse.in (setattrs, maybe_setattrs): Remove.
3219 (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
3220 Update to handle nested attributes properly.
3221 (maybe_resetattrs, after_type_declarator,
3222 parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
3223 absdcl1_ea, direct_absdcl1): Update to handle nested attributes
3225 (make_pointer_declarator): Update to handle nested attributes
3227 * doc/extend.texi: Update documentation of limits of attributes
3228 syntax. Warn about problems with attribute semantics in C++.
3229 * target.h (struct target): Remove valid_decl_attribute and
3230 valid_type_attribute. Add attribute_table and
3231 function_attribute_inlinable_p.
3232 * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
3233 TARGET_VALID_TYPE_ATTRIBUTE): Remove.
3234 (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
3236 (TARGET_INITIALIZER): Update.
3237 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
3239 (function_attribute_inlinable_p): New function. Check for the
3240 presence of any machine attributes before using
3241 targetm.function_attribute_inlinable_p.
3242 (function_cannot_inline_p): Update.
3243 * Makefile.in (integrate.o): Update dependencies.
3244 * doc/tm.texi: Update documentation of target attributes and
3245 example definition of TARGET_VALID_TYPE_ATTRIBUTE.
3246 * tree.c (default_valid_attribute_p, valid_machine_attribute):
3248 (default_target_attribute_table,
3249 default_function_attribute_inlinable_p): New.
3250 (lookup_attribute): Update comment to clarify handling of multiple
3251 attributes with the same name.
3252 (merge_attributes, attribute_list_contained): Allow multiple
3253 attributes with the same name but different arguments to appear in
3254 the same attribute list.
3255 * tree.h (default_valid_attribute_p): Remove prototype.
3256 (struct attribute_spec): New.
3257 (default_target_attribute_table): Declare.
3258 (enum attribute_flags): Move from c-common.h. Add
3259 ATTR_FLAG_TYPE_IN_PLACE.
3260 (default_function_attribute_inlinable_p): Declare.
3261 * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
3262 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
3263 (TARGET_ATTRIBUTE_TABLE): Define.
3264 (vms_attribute_table): New.
3265 * config/arc/arc.c (arc_valid_decl_attribute): Remove.
3266 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
3267 (TARGET_ATTRIBUTE_TABLE): Define.
3268 (arc_attribute_table, arc_handle_interrupt_attribute): New.
3269 * config/arm/arm.c (arm_valid_type_attribute_p,
3270 arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
3272 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
3274 (TARGET_ATTRIBUTE_TABLE): Define.
3275 (arm_attribute_table, arm_handle_fndecl_attribute,
3276 arm_handle_isr_attribute): New.
3277 * config/avr/avr.c (avr_valid_type_attribute,
3278 avr_valid_decl_attribute): Remove.
3279 (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
3281 (TARGET_ATTRIBUTE_TABLE): Define.
3282 (avr_attribute_table, avr_handle_progmem_attribute,
3283 avr_handle_fndecl_attribute): New.
3284 * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
3285 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
3286 (TARGET_ATTRIBUTE_TABLE): Define.
3287 (c4x_attribute_table, c4x_handle_fntype_attribute): New.
3288 * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
3289 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
3290 (TARGET_ATTRIBUTE_TABLE): Define.
3291 (h8300_attribute_table, h8300_handle_fndecl_attribute,
3292 h8300_handle_eightbit_data_attribute,
3293 h8300_handle_tiny_data_attribute): New.
3294 * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
3295 i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
3297 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
3299 * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
3300 (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
3302 (TARGET_ATTRIBUTE_TABLE): Define.
3303 (ix86_attribute_table, ix86_handle_cdecl_attribute,
3304 ix86_handle_regparm_attribute): New.
3305 * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
3306 i386_pe_valid_type_attribute_p): Remove.
3307 (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
3308 * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
3309 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
3310 (TARGET_ATTRIBUTE_TABLE): Define.
3311 (ia64_attribute_table): New.
3312 * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
3313 interrupt_ident2, model_ident1, model_ident2): Remove.
3314 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
3315 (TARGET_ATTRIBUTE_TABLE): Define.
3316 (init_idents): Update.
3317 (m32r_attribute_table, m32r_handle_model_attribute): New.
3318 * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
3320 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
3321 (TARGET_ATTRIBUTE_TABLE): Define.
3322 (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
3323 * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
3324 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
3325 (TARGET_ATTRIBUTE_TABLE): Define.
3326 (mcore_attribute_table, mcore_handle_naked_attribute): New.
3327 * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
3328 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
3329 (TARGET_ATTRIBUTE_TABLE): Define.
3330 (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
3331 * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
3332 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
3333 (TARGET_ATTRIBUTE_TABLE): Define.
3334 (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
3335 * config/sh/sh.c (sh_valid_decl_attribute): Remove.
3336 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
3337 (TARGET_ATTRIBUTE_TABLE): Define.
3338 (sh_attribute_table, sh_handle_interrupt_handler_attribute,
3339 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3341 * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
3343 (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
3344 (TARGET_ATTRIBUTE_TABLE): Define.
3345 (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
3347 * config/v850/v850.c (v850_valid_decl_attribute): Remove.
3348 (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
3349 (TARGET_ATTRIBUTE_TABLE): Define.
3350 (v850_attribute_table, v850_handle_interrupt_attribute,
3351 v850_handle_data_area_attribute): New.
3352 * config/v850/v850-c.c (mark_current_function_as_interrupt):
3353 Return void. Call decl_attributes instead of
3354 valid_machine_attribute.
3356 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
3358 * sh-protos.h (sh_pr_n_sets): Declare.
3359 * sh.c (calc_live_regs): If the initial value for PR has been copied,
3360 look at the copy to determine if PR needs to be saved.
3361 sh_pr_n_sets: New function.
3362 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
3363 (ALLOCATE_INITIAL_VALUE): Define.
3365 * sh.c (initial_elimination_offset):
3366 Fix RETURN_ADDRESS_POINTER_REGNUM case.
3368 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
3370 * integrate.c (allocate_initial_values): New function.
3371 * integrate.h (allocate_initial_values): Declare.
3372 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
3374 * reload1.c (reload): And initialization of reg_equiv_memory_loc
3376 * toplev.c (rest_of_compilation): To here.
3377 Call allocate_initial_values.
3378 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
3380 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3382 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
3384 2001-09-20 DJ Delorie <dj@redhat.com>
3386 * c-typeck.c (really_start_incremental_init): Discriminate
3387 between zero-length arrays and flexible arrays.
3388 (push_init_level): Detect zero-length arrays and handle them
3389 like fixed-sized arrays.
3390 * expr.c (store_constructor): Handle zero-length arrays and
3391 flexible arrays correctly.
3392 * doc/extend.texi: Update zero-length array notes.
3394 2001-09-20 Jim Wilson <wilson@redhat.com>
3396 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
3397 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
3398 for issue port conflicts.
3399 (cycle_end_fill_slots): TYPE_L instructions take two slots.
3401 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
3403 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
3406 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3408 * fold-const.c (hashtab.h): Include.
3409 (int_const_binop): Remove FORSIZE arg and compute from type; all
3411 Call size_int_type_wide for all single-word constants.
3412 (size_htab_hash, size_htab_eq): New functions.
3413 (size_int_type_wide): Rework to use hash table.
3414 * ggc-common.c (hashtab.h): Include.
3415 (struct d_htab_root): New struct.
3416 (d_htab_roots): New variable.
3417 (ggc_add_deletable_htab, ggc_htab_delete): New functions
3418 (ggc_mark_roots): Handle deletable htabs.
3419 * ggc-page.c (ggc_marked_p): New function.
3420 * ggc-simple.c (ggc_marked_p): Likewise.
3421 * ggc.h: Reformatting throughout.
3422 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
3423 * tree.c (init_obstacks): Make type_hash_table a deletable root.
3424 (type_hash_add): Allocate struct type_hash from GC memory.
3425 (mark_hash_entry, mark_type_hash): Deleted.
3426 (type_hash_marked_p, type_hash_mark): New functions.
3427 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
3429 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
3431 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
3434 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3436 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
3437 array-too-large test for signed sizetype.
3439 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3441 * i386.md (indirect_jump): Allow Pmode operand.
3442 (tablejump): LIkewise; perform expansion to 64bit mode.
3443 * i386.c (symbolic_operand): Allow 64bit PIC references.
3444 (pic_symbolic_operand): Likewise.
3445 (ix86_find_base_term): Strip the 64bit PIC references.
3446 (legitimate_pic_address_disp_p): Handle 64bit PIC.
3447 (legitimize_pic_address): Likewise.
3448 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
3449 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
3451 2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
3453 * stringpool.c (get_identifier_with_length): New function.
3454 * tree.h (get_identifier_with_length): New prototype.
3456 2001-09-19 Alan Modra <amodra@bigpond.net.au>
3457 David Edelsohn <edelsohn@gnu.org>
3460 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3461 already sign-extended.
3463 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
3464 * config/rs6000/rs6000.c (logical_operand): Always compare op as
3466 (rs6000_emit_set_long_const): Avoid unnecessary shift.
3467 (output_profile_hook): Declare label_name const.
3468 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
3469 to match constraints.
3471 2001-09-19 Stan Shebs <shebs@apple.com>
3473 * alias.c: Fix typos in comments.
3474 * sched-rgn.c (init_ready_list): Ditto.
3475 * unwind-dw2.c (uw_frame_state_for): Ditto.
3476 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
3477 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
3478 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
3480 2001-09-19 Richard Henderson <rth@redhat.com>
3482 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
3484 * Makefile.in (cfg.o): Depend on TM_P_H.
3486 2001-09-19 Richard Henderson <rth@redhat.com>
3488 * config/alpha/alpha.c (local_symbol_p): Split out from ...
3489 (local_symbolic_operand): ... here.
3490 (small_symbolic_operand): Check mode.
3491 (global_symbolic_operand): New.
3492 (input_operand): Reject symbolics if explicit relocs.
3493 (call_operand): Tidy.
3494 (alpha_legitimize_address): Use movdi_er_high_g.
3495 (alpha_expand_mov): Likewise.
3496 * config/alpha/alpha-protos.h: Update.
3497 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3498 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
3499 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
3500 (UNSPECV_LDGP2): Remove.
3501 (all call patterns): Use 's' not 'i' for symbolic constraint.
3502 (call_osf call_value_osf): Use call_operand.
3503 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
3504 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
3505 (prologue_ldgp_1_er): Remove.
3506 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
3507 (builtin_setjmp_receiver_er patterns): Use them.
3508 (exception_receiver_er): Likewise.
3510 2001-09-19 Richard Henderson <rth@redhat.com>
3512 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
3514 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
3515 and NON_LOCAL_GOTO notes.
3516 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
3517 copy over CALL_INSN_FUNCTION_USAGE.
3519 2001-09-18 Catherine Moore <clm@redhat.com>
3521 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
3524 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
3526 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
3527 new-style tm_file specification. Specify correct tm_p_file,
3528 md_file, and out_file for s390x.
3530 * config/s390/linux.h, linux64.h: Don't include other target
3531 macro header files. Now handled via tm_file.
3533 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
3534 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
3535 are defined before use.
3537 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
3539 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
3540 code generation only for Gnu assembler.
3542 2001-09-18 Catherine Moore <clm@redhat.com>
3544 * config/stormy16 (LIB_SPEC): Remove -lnosys.
3546 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
3548 * config/mips/mips.c (mips_frame_set): New.
3549 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
3550 a parallel frame-related expression with a set for each register.
3552 2001-09-18 Philip Blundell <philb@gnu.org>
3554 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
3557 2001-09-17 Dale Johannesen <dalej@apple.com>
3559 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
3560 * config/rs6000/aix.h (FIXED_R2): Define.
3561 * config/rs6000/darwin.h (FIXED_R2): Define.
3562 * config/rs6000/sysv4.h (FIXED_R2): Define.
3564 2001-09-17 Jeff Sturm <jsturm@one-point.com>
3566 * except.c (dw2_build_landing_pads): New local
3567 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
3568 barrier after clobbers. Fixes c++/4012.
3570 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3572 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
3574 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3576 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
3577 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
3579 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3581 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
3584 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
3586 * cpphash.h (_cpp_lex_direct): New.
3587 * cpplex.c (_cpp_lex_token): Update.
3588 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
3589 and increment that pointer.
3590 * cppmacro.c (alloc_expansion_token): New.
3591 (lex_expansion_token): Lex macro expansion directly into
3594 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
3596 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
3598 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
3600 * basic-block.h (free_bb_for_insn): Declare.
3601 * bb-reorder.c (label_for_bb): Use block_label.
3602 (emit_jump_to_block_after): Remove.
3603 (insert_intra_1): Do not update block_for_insn.
3604 (insert_inter_bb_scope_notes): Likewise; update bb->end
3605 * cfg.c (free_bb_for_insn): New.
3606 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
3607 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
3608 (commit_one_edge_insertion): Likewise.
3609 (commit_one_edge_insertion): Do not update BB boundary.
3610 (commit_edge_insertions): Do not call compute_bb_for_insn.
3611 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
3612 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
3613 (merge_blocks_move_successor_nojumps): Likewise.
3614 (try_crossjump_to_edge): Do not update block_for_insn.
3615 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
3616 * df.c (df_pattern_emit_later): Do not update BB boundary.
3617 (df_jump_pattern_emit_after): Likewise.
3618 (df_insn_move_before): Use emit_insn_before.
3619 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
3621 (add_insn_after, add_insn_before, emit_insns_after): Update BB
3622 boundaries and basic_block_for_insn.
3623 (reorder_insns_nobb): Rename from reorder_insns.
3624 (reorder_insns): New.
3625 (emit_block_insn_before, emit_block_insn_after): Kill.
3626 * flow.c (check_function_return_warnings): Do not call
3627 compute_bb_for_insn; Do not free basic_block_for_insn.
3628 (attempt_auto_inc): Do not update basic_block_for_insn.
3629 * function.c (emit_return_into_block): Likewise;
3630 do not update BB boundaries.
3631 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
3632 (insert_insn_end_bb): Use emit_insn_before; Likewise.
3633 (pre_insert_copy_insn): Likewise.
3634 (update_ld_motion_notes): Likewise.
3635 (insert_insn_start_bb): Likewise.
3636 (replace_store_insn): Likewise.
3637 * ifcvt.c (noce_process_if_block): Likewise.
3638 (if_convert): Do not call compute_bb_for_insn.
3639 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
3640 Use emit_insn_before and emit_insn_after.
3641 * recog.c (split_all_insns): Do not update BB boundaries;
3642 Do not call compute_bb_for_insn.
3643 (peephole2_optimize): Do not update BB boundaries.
3644 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
3646 (emit_swap_insn): Likewise.
3647 (convert_regs_1): Likewise.
3648 * reload1.c (reload): Call compute_bb_for_insn.
3649 * rtl.h (reorder_insns_nobb): Declare.
3650 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
3651 * toplev.c (rest_of_compilation): Call free_bb_for_insn
3652 at places CFG is invalidated; do not call compute_bb_for_insn.
3654 * cfg.c (expunge_block): Invalidate BB structure.
3656 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
3659 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
3661 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
3663 * cpphash.h (_cpp_lex_token): Update prototype.
3664 * cpplex.c (_cpp_lex_token): New prototype.
3665 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
3666 lex_macro_node, read_flag, do_pragma_poison): Update.
3667 * cppmacro.c (cpp_get_token, parse_params,
3668 lex_expansion_token): Update.
3670 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
3672 * cppmain.c (scan_translation_unit): Don't worry about
3673 putting a space after hashes.
3674 * cpplib.c (directive_diagnostics): New.
3675 (_cpp_handle_directive): Update to use directive_diagnostics.
3676 (run_directive): Don't toggle prevent_expansion.
3677 (do_line): Backup in case of the line extension.
3678 * cpplib.h (cpp_lexer_pos): Remove.
3679 * cppmacro.c (_cpp_create_definition): Precede a leading #
3682 2001-09-15 Richard Henderson <rth@redhat.com>
3684 * c-typeck.c (comptypes): Handle zero-length arrays properly.
3686 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3688 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
3690 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
3692 PR preprocessor/3571
3693 * tradcpp.c (handle_directive): Skip non-vertical space.
3695 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
3697 * cppmain.c (setup_callbacks): Set line callback only
3698 if outputting preprocessed source.
3700 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3702 * collect2.c (main): Const-ification.
3703 * gcc.c (translate_options, process_command): Use xstrdup in
3704 lieu of xmalloc/strcpy.
3705 (main): Use concat in lieu of xmalloc/strcpy/strcat.
3707 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3709 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
3712 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
3714 * scan-decls.c (scan_decls): Fix typo.
3716 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
3718 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
3719 Split mlstring_pos into mls_line and mls_col.
3720 * cppinit.c (cpp_create_reader): Initialize line to 1.
3721 (cpp_destroy): Free tokenruns.
3722 (push_include): Don't update lexer_pos.
3723 * cpplex.c (unterminated, parse_string): Update.
3724 (lex_token): Don't update lexer_pos, update.
3725 * cpplib.c (if_stack): Save line instead of line + col.
3726 (start_directive, _cpp_do__Pragma, do_else, do_elif,
3727 push_conditional, _cpp_pop_buffer): Update.
3728 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
3729 (_cpp_create_definition): Update.
3731 2001-09-15 Eric Christopher <echristo@redhat.com>
3733 * config/mips/abi64.h: Add support for MEABI.
3735 2001-09-15 Eric Christopher <echristo@redhat.com>
3737 * config/mips/mips.md: Add unspec #2.
3739 (reload_outdi): Ditto.
3740 (reload_outsi): Ditto.
3743 2001-09-15 Eric Christopher <echristo@redhat.com>
3744 Jason Eckhardt <jle@redhat.com>
3746 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
3747 * config/mips/isa32-linux.h: New file.
3748 * config/mips/isa3264.h: Ditto.
3749 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
3750 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
3751 (output_block_mode): Support MEABI.
3752 (function_arg): Ditto. Fix floating point arg passing.
3753 (mips_va_start): Ditto.
3754 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
3756 (mips_asm_file_start): Add new section to pass abi to gdb.
3757 (function_arg_pass_by_reference): Support MEABI.
3758 (mips_parse_cpu): Support mips32 and mips64 processors.
3759 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
3760 TARGET_MIPS5KC. Support isa32 and isa64.
3761 (processor_type): Add r4kc, r5kc, r20kc.
3762 (GENERATE_MULT3_SI): New.
3763 (GENERATE_MULT3_DI): Ditto.
3764 (GENERATE_MULT3): Remove.
3765 (ISA_HAS_64BIT_REGS): Add isa == 64.
3766 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
3767 (ISA_HAS_MADD_MSUB): New.
3768 (ISA_HAS_CLZ_CLO): Ditto.
3769 (ISA_HAS_DCLZ_DCLO): Ditto.
3770 (ABI_GAS_ASM_SPEC): New.
3771 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
3774 (SUBTARGET_CC1_SPEC): Ditto.
3775 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
3776 (PAD_VARARGS_DOWN): Support MEABI.
3777 (HARD_REGNO_NREGS): Move to mips.c.
3778 (ASM_OUTPUT_IDENT): Add #undef.
3779 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
3780 (mulsi3): Use GENERATE_MULT3_SI.
3781 (mulsi3_mult3): Ditto. Support mips32, mips64.
3782 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
3783 (mul_sub_si): New pattern.
3784 (unnamed splitters): New.
3785 (muldi3): Use GENERATE_MULT3_DI.
3786 (muldi3_internal2): Ditto.
3787 (movdicc): Support mips32.
3788 * config/mips/t-isa3264: New file.
3790 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
3792 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
3793 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
3794 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
3796 * reorg.c (fill_slots_from_thread): After call to
3797 steal_delay_list_from_target, update own_thread as new_thread may
3800 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
3802 * cpperror.c (print_location): Take line and column, for
3803 default positioning use the previously lexed token.
3804 (_cpp_begin_message): Take line and column.
3805 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3806 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3807 * cpphash.h (_cpp_begin_message): Update prototype.
3808 * cppinit.c (push_include): Don't set output line.
3809 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
3810 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
3811 (do_pragma): Kludge for front ends. Don't expand macros at all.
3812 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
3813 (struct cpp_token): Remove output_line.
3814 (struct cpp_callbacks): New member line_change.
3815 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
3816 cpp_get_token): Preserve BOL flag.
3817 (cpp_get_line): Remove.
3818 (_cpp_backup_tokens): Remove useless abort().
3819 * cppmain.c (cb_line_change): New.
3820 (scan_translation_unit): Don't worry about starting new lines here.
3821 * scan-decls.c (scan_decls): Update.
3822 * c-lex.c (c_lex, init_c_lex): Update.
3823 (cb_line_change, src_lineno): New.
3825 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
3827 * tree.c (append_random_chars): Generate the random
3828 characters in a reproducable fashion.
3830 2001-09-14 Richard Henderson <rth@redhat.com>
3832 * config/i386/i386.c (internal_label_prefix): New.
3833 (internal_label_prefix_len): New.
3834 (override_options): Set them.
3835 (local_symbolic_operand): New.
3836 (legitimate_pic_address_disp_p): Use it.
3837 (legitimize_pic_address): Likewise.
3839 2001-09-14 Marc Espie <espie@openbsd.org>
3841 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
3844 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3846 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
3847 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
3849 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
3851 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
3852 invocation of SUBREG_REGNO_OFFSET.
3854 * haifa-sched.c: Fix typo in FSF copyright statement.
3855 * sched-deps.c: Fix typo in FSF copyright statement.
3856 * sched-ebb.c: Fix typo in FSF copyright statement.
3857 * sched-rgn.c: Fix typo in FSF copyright statement.
3858 * sched-vis.c: Fix typo in FSF copyright statement.
3860 * config.gcc: Move inclusion of arm elf specific header files
3861 from the files themselves into the tm_file variable. Make
3862 sure that elfos.h is included before target specific elf
3864 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
3866 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
3867 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
3868 ASM_OUTPUT_CASE_LABEL): Protect definition.
3869 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
3870 not already defined.
3871 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
3872 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
3873 Remove duplicate definition.
3874 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
3875 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
3876 (RDATA_SECTION_FUNCTION): Remove redundant definition.
3877 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
3878 Remove inclusion of arm/elf.h.
3879 * config/arm/unknown-elf.h: as for conix-elf.h.
3880 (STARTFILE_SPEC): Include crti.o and crtn.o.
3881 * config/arm/linux-elf.h: as for conix-elf.h.
3882 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
3883 * config/arm/strongarm-elf.h: Remove inclusion of
3885 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
3886 * config/arm/unknown-elf-oabi.h: Remove inclusion of
3887 unknown-elf.h and elf.h.
3888 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
3889 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
3890 ASM_WEAKEN_LABEL): Remove redundant definition.
3891 * config/arm/elf.h: Test for inclusion of elfos.h
3892 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
3893 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
3894 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
3895 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
3896 redundant definition.
3897 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
3898 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
3899 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
3900 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
3901 Add rules to build crti.o and crtn.o
3902 * crti.asm: New file.
3903 * crtn.asm: New file.
3905 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
3907 * c-parse.in (_yylex): Use _cpp_backup_tokens.
3908 * cpphash.h (struct tokenrun): Add prev.
3909 (struct lexer_state): Remove bol.
3910 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
3911 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
3913 * cppinit.c (cpp_create_reader): Don't set bol.
3914 (cpp_destroy): Don't free lookaheads.
3915 * cpplex.c (lex_directive): Remove.
3916 (next_tokenrun): Update.
3917 (_cpp_lex_token): Clean up logic.
3918 (lex_token): Update to return a pointer to lexed token, since it
3919 can move to the start of the buffer. Simpify newline handling.
3920 * cpplib.c (SEEN_EOL): Update.
3921 (skip_rest_of_line): Remove lookahead stuff.
3922 (end_directive): Line numbers are already incremented. Revert
3923 to start of lexed token buffer if we can.
3924 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
3925 parse_answer): Use _cpp_backup_tokens.
3926 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
3927 instead. Don't check for EOL.
3928 (do_include_common, do_line, do_pragma_system_header): Use
3930 * cpplib.h (BOL, _cpp_backup_tokens): New.
3931 * cppmacro.c (save_lookahead_token, take_lookahead_token,
3932 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
3933 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
3934 (builtin_macro): Don't use cpp_get_line.
3935 (cpp_get_line): Short term kludge.
3936 (parse_arg): Handle directives in arguments here. Back up when
3937 appropriate. Store EOF at end of argument list.
3938 (funlike_invocation_p): Use _cpp_backup_tokens.
3939 (push_arg_context): Account for EOF at end of list.
3940 (cpp_get_token): Remove lookahead stuff. Update.
3942 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3944 * c-parse.in (yyerror): Const-ification and/or static-ization.
3945 * c-typeck.c (push_member_name): Likewise.
3946 * collect2.c (main): Likewise.
3947 * dbxout.c (dbxout_parms): Likewise.
3948 * diagnostic.c (format_with_decl): Likewise.
3949 * dwarf2out.c (output_ranges): Likewise.
3950 * dwarfout.c (fundamental_type_code): Likewise.
3951 * except.c (dw2_output_call_site_table): Likewise.
3952 * gcc.c (do_spec_1): Likewise.
3953 * genopinit.c (optabs): Likewise.
3954 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
3955 gen_declaration_1, handle_impent): Likewise.
3956 * protoize.c (default_include, in_system_include_dir, abspath):
3958 * sched-vis.c (visualize_stall_cycles): Likewise.
3959 * sdbout.c (plain_type_1, sdbout_end_function,
3960 sdbout_end_epilogue): Likewise.
3961 * varasm.c (decode_reg_name): Likewise.
3963 * 1750a.c (mod_regno_adjust): Likewise.
3964 * alpha.c (alpha_write_one_linkage,
3965 unicosmk_output_default_externs): Likewise.
3966 * arm.c (arm_condition_codes): Likewise.
3967 * arm.h (arm_condition_codes): Likewise.
3968 * avr.c (output_movsisf, encode_section_info): Likewise.
3969 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
3971 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
3972 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
3973 * m88k.c (output_function_profiler): Likewise.
3974 * mips.c (mips_output_conditional_branch): Likewise.
3975 * ns32k.c (ns32k_out_reg_names): Likewise.
3976 * ns32k.h (ns32k_out_reg_names): Likewise.
3977 * pj.c (pj_output_rval): Likewise.
3978 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
3979 * sparc.c (sparc_flat_function_prologue,
3980 sparc_flat_function_epilogue): Likewise.
3982 2001-09-13 Markus Werle <numerical.simulation@web.de>
3983 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3985 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
3986 Aachen University of Technology".
3988 2001-09-13 Andreas Schwab <schwab@suse.de>
3990 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
3993 2001-09-13 Richard Henderson <rth@redhat.com>
3995 * config/alpha/alpha.c (small_symbolic_operand): New.
3996 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
3997 (some_operand, input_operand): Don't handle HIGH.
3998 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
3999 (alpha_expand_mov): Likewise.
4000 (print_operand) [H]: Just print HIGH symbol.
4001 (print_operand_address): Handle small data.
4002 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
4003 (TARGET_SWITCHES): Add -msmall-data/large-data.
4004 (PIC_OFFSET_TABLE_REGNUM): New.
4005 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
4006 (PREDICATE_COES): Update.
4007 * config/alpha/alpha.md (adddi_er_high): New.
4008 (adddi_er_low): Handle small data.
4009 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
4010 prefer .sdata to .rodata.
4011 (SELECT_RTX_SECTION): Likewise.
4013 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
4015 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
4016 defining __size_t and leaving size_t undefined.
4018 2001-09-12 Diego Novillo <dnovillo@redhat.com>
4020 * basic-block.h (expunge_block): Declare.
4021 * cfg.c (expunge_block): Remove static declaration.
4023 2001-09-12 Richard Henderson <rth@redhat.com>
4025 * integrate.c (copy_insn_list): Copy label name from
4026 NOTE_INSN_DELETED_LABEL.
4028 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4030 * c-common.c (c_tree_code_name): Const-ification.
4031 * c-decl.c (c_decode_option): Likewise.
4032 * c-typeck.c (warn_for_assignment): Likewise.
4033 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
4035 * cppinit.c (output_deps): Likewise.
4036 * dependence.c (dependence_string, direction_string): Likewise.
4037 * dwarf2out.c (output_ranges): Likewise.
4038 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
4039 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
4040 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
4041 standard_startfile_prefix, standard_startfile_prefix_1,
4042 standard_startfile_prefix_2, tooldir_base_prefix,
4043 standard_bindir_prefix, find_a_file): Likewise.
4044 * genattrtab.c (make_length_attrs): Likewise.
4045 * gencheck.c (tree_codes): Likewise.
4046 * genemit.c (gen_split): Likewise.
4047 * genrecog.c (special_mode_pred_table): Likewise.
4048 * graph.c (graph_ext): Likewise.
4049 * protoize (default_include): Likewise.
4050 * reload.c (reload_when_needed_name): Likewise.
4051 * sched-vis.c (visualize_stall_cycles): Likewise.
4052 * tlink.c (recompile_files): Likewise.
4053 * toplev.c (decode_g_option): Likewise.
4054 * tradcpp.c (output_deps): Likewise.
4055 * varasm.c (decode_reg_name): Likewise.
4057 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
4060 * avr.c (avr_regnames, encode_section_info): Likewise.
4061 * c4x.c (float_reg_names): Likewise.
4062 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
4063 * elfos.h (const_section): Likewise.
4064 * i386.c (ix86_comp_type_attributes): Likewise.
4065 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
4066 * ia64/aix.h (UNIQUE_SECTION): Likewise.
4067 * ia64.c (type_names): Likewise.
4068 * m68hc11.c (reg_class_names): Likewise.
4069 * m88k.c (m_options): Likewise.
4070 * mips.c (mips_output_conditional_branch, mips_unique_section):
4072 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
4073 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
4074 ultra_code_names): Likewise.
4075 * sparc.h (OVERRIDE_OPTIONS): Likewise.
4077 2001-09-12 Jakub Jelinek <jakub@redhat.com>
4079 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
4080 Use --fatal-warnings option for gas.
4081 * configure: Rebuilt.
4083 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4085 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
4087 2001-09-11 Jim Wilson <wilson@redhat.com>
4089 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
4091 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4093 * builtins.c (c_strlen): Treat an offset too large for a
4094 HOST_WIDE_INT as out of range.
4096 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
4098 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
4099 (EDGE_CRITICAL_P): New predicate.
4100 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
4102 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
4103 (dump_edge_info): Remove "crit".
4104 * cfganal.c (mark_critical_edges): Kill.
4105 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
4106 * cfgcleanup.c (cleanup_cfg): Likewise.
4107 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
4108 (find_spanning_tree): Likewise.
4109 * reg-stack.c (convert_regs_1): Likewise.
4110 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
4112 * basic-block.h (create_basic_block_structure): New.
4113 (create_basic_block): Update prototype.
4114 (force_nonfallthru): New.
4115 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
4116 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
4117 handle updating of block_for_insn, creating of empty BBs and BBs at
4118 the end of INSN chain.
4119 (create_basic_block): New function.
4120 (split_block): Use create_basic_block.
4121 (force_nonfallthru_and_redirect): Break out from ...; cleanup
4122 (redirect_edge_and_branch_force): ... here.
4123 (force_nonfallthru): New.
4124 (split_edge): Rewrite to use force_nonfallthru and create_block.
4125 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
4126 (find_basic_blocks): Free basic_block_for_insn.
4127 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
4129 * cfg.c: Fix formating.
4130 * cfgcleanup.c: Fix formating.
4131 (merge_blocks, tail_recursion_label_p): Return bool.
4132 (merge_blocks_move_predecessor_nojumps,
4133 merge_blocks_move_successor_nojumps): Return void.
4135 2001-09-11 Jakub Jelinek <jakub@redhat.com>
4137 * configure.in: Check whether assembler supports section merging.
4138 * config.in: Rebuilt.
4139 * configure: Rebuilt.
4140 * varasm.c (variable_section, output_constant_pool): Pass alignment
4141 to SELECT_SECTION and SELECT_RTX_SECTION.
4142 (mergeable_string_section): New.
4143 (mergeable_constant_section): New.
4144 (default_elf_asm_named_section): Output SECTION_MERGE and
4145 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
4146 * output.h (mergeable_string_section): New.
4147 (mergeable_constant_section): New.
4148 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
4149 * toplev.c (flag_merge_constants): New.
4150 (f_options): Add -fmerge-constants and -fmerge-all-constants
4152 (toplev_main): Default to -fno-merge-constants if not optimizing.
4153 * flags.h (flag_merge_constants): Add extern.
4154 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
4155 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
4157 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
4158 Define if assembler has working .subsection -1 support.
4159 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
4160 Put constant into special SHF_MERGE sections if the linker should
4161 attempt to merge duplicates.
4162 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
4164 Put constant into special SHF_MERGE sections if the linker should
4165 attempt to merge duplicates.
4166 * config/alpha/elf.h: Likewise.
4167 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
4168 has working .subsection -1 support.
4169 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
4171 * config/svr3.h: Likewise.
4172 * config/darwin.h: Likewise.
4173 * config/arm/aof.h: Likewise.
4174 * config/arm/linux-elf.h: Likewise.
4175 * config/avr/avr.h: Likewise.
4176 * config/c4x/c4x.h: Likewise.
4177 * config/d30v/d30v.h: Likewise.
4178 * config/i386/dgux.h: Likewise.
4179 * config/i386/osfrose.h: Likewise.
4180 * config/i386/sco5.h: Likewise.
4181 * config/i386/svr3gas.h: Likewise.
4182 * config/ia64/aix.h: Likewise.
4183 * config/m32r/m32r.h: Likewise.
4184 * config/m68k/m68k.h: Likewise.
4185 * config/m88k/dgux.h: Likewise.
4186 * config/m88k/m88k.h: Likewise.
4187 * config/mcore/mcore-pe.h: Likewise.
4188 * config/mips/mips.h: Likewise.
4189 * config/pa/pa.h: Likewise.
4190 * config/pa/pa-linux.h: Likewise.
4191 * config/romp/romp.h: Likewise.
4192 * config/rs6000/sysv4.h: Likewise.
4193 * config/rs6000/xcoff.h: Likewise.
4194 * config/s390/linux.h: Likewise.
4195 * config/sparc/sparc.h: Likewise.
4196 * config/sparc/sysv4.h: Likewise.
4197 * config/stormy16/stormy16.h: Likewise.
4198 * config/v850/v850.h: Likewise.
4199 * config/vax/vms.h: Likewise.
4200 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
4201 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
4202 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
4203 default_elf_asm_named_section for SHF_MERGE sections.
4205 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4207 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
4210 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
4212 * c-common.c (split_specs_attrs): Allow for empty attributes with
4213 empty TREE_PURPOSE. Fixes PR c/4294.
4215 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
4217 * basic-block.h (cached_make_edge, make_single_succ): New.
4218 (make_edge): Remove first parameter.
4219 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
4220 * cfg.c (cached_make_edge): Rename from make_edge; return newly
4221 created edge; use obstack allocation.
4222 (make_edge, make_single_succ_edge): New.
4223 (first_removed_edge): New static variable.
4224 (init_flow): Initialize first_removed_edge and n_edges.
4225 (clear_edges): Use remove_edge.
4226 (flow_delete_block): Likewise.
4227 (remove_edge): Add removed edges to the removed edges list.
4228 (split_block, redirect_edge_and_branch_force, split_edge):
4230 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
4231 (add_noreturn_fake_exit_edges): Likewise.
4232 (connect_infinite_loops_to_exit): Liekwise.
4233 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
4234 Use cached_make_edge.
4235 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
4236 * profile.c (branch_prob): Update make_edge call.
4237 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
4239 2001-09-11 Richard Henderson <rth@redhat.com>
4241 * config/alpha/alpha.c: Tidy formatting.
4242 (local_symbolic_operand): Verify mode.
4243 (alpha_sa_mask): Ignore unicos for eh_return.
4244 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
4245 * config/alpha/alpha.md (umk divsi patterns): Remove.
4246 (extendsfdf2): Remove unicos check.
4247 (tablejump): Merge vms and unicos code; always use direct set
4250 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4252 * config.gcc (alpha*-*-unicosmk*): New target.
4254 * config/alpha/alpha-protos.h (symbolic_operand,
4255 unicosmk_add_call_info_word, unicosmk_add_extern,
4256 unicosmk_defer_case_vector, unicosmk_unique_section,
4257 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
4258 unicosmk_asm_file_start, unicosmk_asm_file_end,
4259 unicosmk_output_common): Declare.
4261 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
4262 direct_return, function_arg, alpha_va_start, alpha_va_arg,
4263 alpha_does_function_need_gp, alpha_end_function): Support Cray
4265 (alpha_init_machine_status, alpha_mark_machine_status,
4266 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
4267 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
4268 unicosmk_asm_named_section, unicosmk_insert_attributes,
4269 unicosmk_section_type_flags, symbolic_operand,
4270 unicosmk_output_module_name, unicosmk_output_default_externs,
4271 unicosmk_output_dex, unicosmk_output_externs,
4272 unicosmk_output_addr_vec, unicosmk_ssib_name,
4273 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
4274 unicosmk_asm_file_end, unicosmk_output_common,
4275 unicosmk_section_type_flags, unicosmk_unique_section,
4276 unicosmk_add_call_info_word, unicosmk_text_section,
4277 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
4278 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
4279 unicosmk_dex_count, unicosmk_special_name): New.
4280 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
4281 TARGET_ABI_UNICOSMK.
4282 (get_aligned_mem, alpha_expand_unaligned_load,
4283 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
4284 alpha_expand_unaligned_store_words): Support big-endian mode.
4285 (print_operand): Likewise. New format specifier 't'. Use
4286 TARGET_AS_SLASH_BEFORE_SUFFIX.
4287 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
4288 (alpha_pv_save_size): Update with above change.
4289 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
4290 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
4293 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
4294 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
4295 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
4296 (EXTRA_CONSTRAINT): New constraint 'U'.
4297 (PREDICATE_CODES): Add symbolic_operand.
4299 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
4300 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
4301 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
4302 (integer division and modulus patterns): Split in default and
4304 (*divmodsi_internal, *divmoddi_internal): Disable for
4305 TARGET_ABI_UNICOSMK.
4306 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
4307 little-endian and big-endian versions.
4308 (ext, ins, msk): Likewise.
4309 (extv, extzv, insv): Support big-endian mode.
4310 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
4311 (call_umk, call_value_umk, *call_umk, tablejump_umk,
4312 *tablejump_umk_internal, *call_value_umk): New.
4313 (*movdi_nofix): Add pattern for loading an address into a register on
4314 TARGET_ABI_UNICOSMK.
4315 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
4316 (umk_mismatch_args, arg_home_umk): New.
4317 (various insns): Don't use mov, fmov, nop, fnop and unop.
4318 (realign): Support TARGET_ABI_UNICOSMK.
4320 * config/alpha/unicosmk.h: New file.
4321 * config/alpha/t-unicosmk: New file.
4323 * fixinc/inclhack.def (unicosmk_restrict): New.
4324 * fixinc/fixincl.x: Regenerate.
4326 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
4327 (wchar_t): Check for and define __WCHAR_T__.
4329 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
4331 * combine.c (simplify_shift_const): Treat shifts by the mode
4334 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
4336 * cpphash.h (struct tokenrun): New.
4337 (struct cpp_context): New member bol.
4338 (struct cpp_reader): New members.
4339 (_cpp_init_tokenrun): New.
4340 * cppinit.c (cpp_create_reader): Set up the token runs.
4341 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
4342 (lex_token): New internalised version of _cpp_lex_token. Don't
4343 handle directives or the multiple include opimisation here any
4344 more. Simply lex a token.
4345 * cpplib.c (run_directive): Clear bol.
4346 (_cpp_pop_buffer): Set bol.
4347 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
4350 2001-09-11 Michael Meissner <meissner@redhat.com>
4352 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
4353 give an error if the user uses -mfp32.
4354 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
4356 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
4357 floating point register size.
4358 (EXTRA_SPECS): Add CPP_FPR_SPEC.
4360 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
4361 HOST_WIDE_INT_PRINT_DEC to properly print the result of
4363 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
4364 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
4366 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
4368 * dbxout.c (dbxout_parms): Fix typo in comment.
4369 * unroll.c (loop_find_equiv_value): Ditto.
4370 * toplev.c (rest_of_compilation): Ditto.
4371 * loop.c (scan_loop): Ditto.
4372 * dwarf2out.c (struct dw_fde_struct): Ditto.
4374 2001-09-10 Zack Weinberg <zackw@panix.com>
4376 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
4377 copying identifier when we're just going to throw it away.
4378 (parse_identifier_slow): New routine to handle abnormal cases.
4379 (_cpp_lex_token): Update call site.
4381 * hashtable.c (ht_lookup): Don't assume that the string we've
4382 been given is NUL-terminated.
4383 * system.h: #define __builtin_expect(a, b) to (a) if not
4386 2001-09-10 Michael Meissner <meissner@redhat.com>
4388 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
4391 2001-09-10 David Edelsohn <edelsohn@gnu.org>
4393 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
4395 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4397 * builtins.c (c_getstr): Correct thinko in last change and further
4400 2001-09-10 Tim Freeman <tim@fungibole.com>
4402 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
4403 into varray's and register them as roots with the garbage
4404 collector so they are not collected too soon.
4406 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
4408 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
4410 * basic-block.h (flow_obstack, label_value_list,
4411 tail_recursion_label_list): Declare
4412 (tidy_fallthru_edges): Declare.
4413 (expunge_block, last_loop_beg_note): Delete.
4414 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
4416 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
4417 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
4418 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
4419 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
4420 expunge_block, flow_delete_block, compute_bb_for_insn,
4421 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
4422 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
4423 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
4424 try_redirect_by_replacing_jump, last_loop_beg_note,
4425 redirect_edge_and_branch, redirect_edge_and_branch_force,
4426 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
4427 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
4428 commit_edge_insertions, dump_flow_info, debug_flow_info,
4429 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
4430 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
4431 Move here from flow.c
4432 * cfganal.c: New file.
4433 (forwarder_block_p, can_fallthru, mark_critical_edges,
4434 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
4435 find_unreachable_blocks, create_edge_list, free_edge_list,
4436 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
4437 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
4438 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
4439 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
4440 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
4441 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
4442 Move here from flow.c
4443 * cfgbuild.c: New file
4444 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
4445 make_edges, find_basic_blocks_1, find_basic_blocks,
4446 find_sub_basic_blocks): Move here from flow.c
4447 * cfgcleanup.c: New file.
4448 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
4449 merge_blocks_move_predecessor_nojumps,
4450 merge_blocks_move_successor_nojumps, merge_blocks,
4451 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
4452 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
4453 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
4455 * cfgloop.c: New file
4456 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
4457 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
4458 flow_loop_exit_edges_find, flow_loop_nodes_find,
4459 flow_loop_pre_header_scan, flow_loop_pre_header_find,
4460 flow_loop_tree_node_add, flow_loops_tree_build,
4461 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
4462 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
4463 Move here from flow.c
4464 * flow.c: Remove everything moved elsewhere
4465 * output.h (cleanup_cfg): Return bool.
4467 * bb-reorder.c (reorder_block_def): Remove 'index'.
4468 (insert_intra_1): Add argument BB, set block for new note.
4469 (make_reorder_chain): Do not depdent on BB indexes.
4470 (make_reorder_chain_1): Do not use BB indexes.
4471 (label_for_bb): Likewise; set BB for new insn.
4472 (emit_jump_to_block_after): Likewise.
4473 (fixup_reoder_chain): Sanity check that all basic blocks
4474 are chained; verify newly created insn chain; remove
4475 undocnitional jump simplifying; Do not use BB indexes;
4476 properly initialize count and frequency information;
4477 dump reordered sequence.
4478 (insert_intra_bb_scope_notes): update call of insert_intra_1.
4479 (insert_inter_bb_scope_notes): Set block for new insn.
4480 (reorder_basic_blocks): Dump flow info before reoredering.
4482 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4484 * alias.c (clear_reg_alias_info): Use K&R format definition.
4485 Avoid unsigned warning.
4486 * builtins.c: Use "unsigned int", not "unsigned".
4487 (target_char_cast): Use host_integerp and tree_low_cst.
4488 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
4489 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
4490 (c_getstr): Likewise.
4491 (std_expand_builtin_va_arg): Use int_size_in_bytes.
4492 (builtin_memcpy_read_str): Avoid unsigned warning.
4493 (expand_builtin_memcpy): Alignments are unsigned.
4494 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
4495 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
4496 * predict.c (expensive_function_p): LIMIT now unsigned.
4497 * resource.c (mark_target_live_regs): Make some vars unsigned.
4498 * sdbout.c: Use "unsigned int", not "unsigned".
4499 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
4500 (sdbout_source_line): Likewise.
4501 (sdbout_record_type_name): Remove "const" for NAME declaration.
4502 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
4504 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
4506 * calls.c (store_one_arg): Expand comment.
4508 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4510 * calls.c (store_one_arg): Make sure that the entire argument is
4511 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
4513 2001-09-09 Richard Henderson <rth@redhat.com>
4515 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
4517 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
4519 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
4521 2001-09-09 Richard Henderson <rth@redhat.com>
4523 * config/alpha/alpha.c (alpha_next_sequence_number): New.
4524 (alpha_this_literal_sequence_number): New.
4525 (alpha_this_gpdisp_sequence_number): New.
4526 (some_operand, input_operand): Add HIGH.
4527 (local_symbolic_operand): New.
4528 (alpha_encode_section_info): New.
4529 (alpha_legitimate_address_p): Allow LO_SUM.
4530 (alpha_legitimize_address): Generate HIGH+LO_SUM.
4531 (alpha_expand_mov): Likewise.
4532 (secondary_reload_class): Check memory_operand not general_operand
4534 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
4535 (alpha_expand_unaligned_store): Likewise.
4536 (alpha_expand_unaligned_load_words): Likewise.
4537 (alpha_expand_unaligned_store_words): Likewise.
4538 (alpha_expand_block_clear): Likewise.
4539 (print_operand): Handle %#, %*, %H.
4540 (print_operand_address): Handle LO_SUM.
4542 (alpha_does_function_need_gp): Use it.
4543 (alpha_expand_block_move): Fix signed compare warnings.
4544 (alpha_sa_mask, alpha_align_insns): Likewise.
4545 * config/alpha/alpha-protos.h: Update.
4546 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
4547 (MASK_EXPLICIT_RELOCS): New.
4548 (TARGET_SWITCHES): Add -mexplicit-relocs.
4549 (EXTRA_CONSTRAINT): Add 'T'.
4550 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
4551 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
4552 (ENCODE_SECTION_INFO): Out line.
4553 (REDO_SECTION_INFO_P): New.
4554 (STRIP_NAME_ENCODING): New.
4555 (ASM_OUTPUT_LABELREF): New.
4556 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
4557 (PREDICATE_CODES): Update.
4558 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
4559 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
4560 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
4561 builtin_setjmp_receiver_er, exception_receiver_1_er,
4562 call_value_osf_1_er): New patterns.
4563 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
4564 (movqi, movhi, movsi): Add explicit $31 base register to lda.
4565 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
4566 (FINAL_PRESCAN_INSN): New.
4568 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
4570 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
4572 2001-09-08 Andreas Jaeger <aj@suse.de>
4574 * i386.h (TARGET_SWITCHES): Fix description.
4576 2001-09-07 David Edelsohn <edelsohn@gnu.org>
4578 * rs6000.c (num_insns_constant): Compute number of instructions
4581 * doc/install.texi: Explain AIX exception handling work-around.
4582 Update URL for AIX fixes.
4584 2001-09-07 Jim Wilson <wilson@redhat.com>
4586 * alias.c (clear_reg_alias_info): New.
4587 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
4588 * rtl.h (clear_reg_alias_info): Declare.
4590 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4592 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
4594 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
4595 (m16m,edivm,emulm): Change declaration to match definition.
4597 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4599 * reload.c (push_reload): Check for subreg_lowpart_p instead of
4600 SUBREG_BYTE being 0 when determining if the inner part of a subreg
4603 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4605 * c-common.c (signed_or_unsigned_type): Handle machine mode types
4606 which have no corresponding C type.
4607 * fold_const.c (target_isinf,target_isnan,target_negative): Update
4608 the representation of 64-bit doubles to work with 64-bit ints.
4610 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
4612 * config/mips/mips.c (override_options): Do not override ISA when ABI
4613 specified if MIPS_CPU_STRING_DEFAULT was specified.
4615 2001-09-07 Richard Henderson <rth@redhat.com>
4617 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
4618 (express_from_1): Wrap lines.
4619 * rtlanal.c (commutative_operand_precedence): Rename from
4620 operand_preference; export.
4621 * rtl.h: Declare it.
4622 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
4623 (simplify_binary_operation): Invoke simplify_plus_minus on
4624 (CONST (PLUS ...)) as well.
4625 (struct simplify_plus_minus_op_data): New.
4626 (simplify_plus_minus_op_data_cmp): New.
4627 (simplify_plus_minus): Use them. Avoid infinite recursion with
4628 simplify_binary_operation wrt CONST.
4630 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
4632 * h8300-protos.h (general_operand_dst_push): Remove.
4633 * h8300.c (general_operand_dst_push): Likewise.
4634 * h8300.h (OK_FOR_T): Likewise.
4635 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
4636 * h8300.md (pushqi_h8300): New.
4637 (pushqi_h8300hs): Likewise.
4639 (pushhi_h8300): Likewise.
4640 (pushhi_h8300hs): Likewise.
4643 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4645 * genattrtab.c (attr_printf): First arg is unsigned.
4646 Clean up formatting of callers.
4648 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
4650 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
4653 2001-09-07 Andreas Jaeger <aj@suse.de>
4655 * i386.h (TARGET_SWITCHES): Fix descriptions.
4657 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
4659 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
4661 2001-09-06 Ira Ruben <ira@apple.com>
4663 Remove OP_IDENTIFIER.
4664 * tree.def (OP_IDENTIFIER): Remove.
4665 * tree.c (tree_node_kind enum): Remove op_id_kind.
4666 (tree_node_kind_names): Remove "op_identifiers".
4667 (make_node): Remove OP_IDENTIFIER test.
4668 (build_op_identifier): Removed because it isn't being used.
4669 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
4670 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
4672 2001-09-06 Richard Henderson <rth@redhat.com>
4674 * simplify-rtx.c (simplify_binary_operation): Revert last change.
4676 2001-09-06 Richard Henderson <rth@redhat.com>
4678 * simplify-rtx.c (simplify_binary_operation): Simplify contents
4681 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4683 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
4684 number used for CR register.
4686 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
4687 Joern Rennecke (amylaar@cygnus.com)
4689 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
4690 * h8300.c (initial_offset): Handle offset between RP and FP.
4691 (h8300_return_addr_rtx): New function.
4692 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
4694 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
4695 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
4696 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
4697 (CAN_ELIMINATE, REGISTER_NAMES):
4698 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
4700 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
4702 Remove TYPE_NONCOPIED_PARTS.
4703 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
4704 (struct tree_type): Remove noncopied_parts.
4705 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
4706 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
4707 (fixed_type_p): Remove.
4708 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
4709 (expand_expr, MODIFY_EXPR): Likewise.
4710 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
4711 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
4713 2001-09-06 Alan Modra <amodra@bigpond.net.au>
4715 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
4717 (mask64_operand): Likewise.
4718 (includes_rldic_lshift_p): Likewise.
4719 (includes_rldicr_lshift_p): Likewise.
4721 2001-09-05 Ziemowit Laski <zlaski@apple.com>
4723 * objc/objc-act.c (build_message_expr): If a class method cannot
4724 be found, do not issue a warning if a corresponding instance
4725 method exists in the root class.
4727 2001-09-05 Richard Henderson <rth@redhat.com>
4729 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
4731 2001-09-05 Zack Weinberg <zack@codesourcery.com>
4733 * function.c (ggc_mark_struct_function): Mark f->outer.
4734 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
4735 * integrate.c (output_inline_function): ... not here.
4737 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
4739 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
4741 * i386.c (size_cost): New static variable.
4742 (override_function): Use size_cost when -Os is specified.
4744 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
4745 properly; Use current_function_calls_eh_return.
4746 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
4747 use leave to avoid depdendancy chain.
4749 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
4750 get BB loop_depth instead of computing it from LOOP notes.
4752 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
4754 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4756 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4757 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
4758 UNALIGNED_DOUBLE_INT_ASM_OP): Define
4760 2001-09-05 Jeffrey A Law (law@cygnus.com)
4761 Jason Merrill (jason@redhat.com)
4763 * stor-layout.c (layout_type): Complain if an array's size can
4764 not be represented in a size_t.
4766 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
4768 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
4770 * gcc.c: (process_command) Add parentheses around assignment
4771 used as truth value.
4773 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
4775 * config/mips/mips.c (save_restore_insns): Don't mark any register
4776 save slots as unchanging if current_function_calls_eh_return.
4778 2001-09-05 Richard Henderson <rth@redhat.com>
4780 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
4781 * config/alpha/alpha-protos.h: Declare it.
4782 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
4783 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
4784 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
4785 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
4786 (REG_OK_FOR_BASE_P): Select one of the above.
4788 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
4790 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
4791 (crti.o): Prefix name of object file with $(T).
4794 2001-09-05 David S. Miller <davem@redhat.com>
4796 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
4797 * config/sparc/linux64.h: Likewise.
4799 2001-09-05 Andreas Jaeger <aj@suse.de>
4801 * doc/invoke.texi (i386 Options): -mwide-multiply is not
4802 available anymore, remove the documentation.
4803 (i386 Options): Fix typo, cleanup index entries.
4805 * prefix.c (concat): Remove, we can use the version from liberty.
4807 2001-09-05 Richard Henderson <rth@redhat.com>
4809 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
4810 New functions split out of md file expanders.
4811 * config/alpha/alpha-protos.h: Declare them.
4812 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
4814 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
4816 * cppmacro.c (funlike_invocation_p): No need to restore context.
4818 2001-09-04 Richard Henderson <rth@redhat.com>
4820 * reload.c (push_reload): Export.
4821 * reload.h (push_reload): Declare it.
4823 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
4824 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4825 * config/alpha/alpha.c (alpha_legitimize_address): New.
4826 (alpha_legitimize_reload_address): Likewise.
4827 * config/alpha/alpha-protos.h: Declare them.
4829 2001-09-04 Stan Shebs <shebs@apple.com>
4831 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
4832 * config/darwin.c (machopic_stub_name): Account for internally
4833 generated lib calls such as memcpy.
4835 2001-09-04 Richard Henderson <rth@redhat.com>
4837 * unwind.h (_UA_END_OF_STACK): New flag.
4838 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
4840 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
4842 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
4844 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
4846 * config/mips/mips.c (save_restore_insns): Change base_offset to
4847 fp_offset in second call to mips_emit_frame_related_store.
4849 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
4851 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
4852 sometimes be represented as a NOTE of type
4853 NOTE_INSN_DELETED_LABEL.
4854 (Insns): Document NOTE_INSN_DELETED_LABEL.
4856 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
4858 * c-common.h (tree_dump_index): Add more comments.
4859 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
4860 (dump_option_value_info): New struct.
4861 (dump_options): New array.
4862 (dump_switch_p): Parse switch options symbolically.
4863 * doc/invoke.texi (-fdump-ast): Rename to ...
4864 (-fdump-tree): ... here. Document that options are symbolic, and
4865 not all are applicable.
4867 2001-09-04 David S. Miller <davem@redhat.com>
4869 * config/sparc/sparc.md (define_splits): Kill constraints.
4871 Cleanup redundant and unused insn attributes.
4872 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
4873 binary, and move. Mark ialu as default.
4874 (commented out define_function_unit "alu"): Kill.
4875 (define_attr "use_clobbered"): Kill.
4876 (whole file): Kill address insn type references. Replace
4877 all unary/binary/move references with ialu.
4878 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
4879 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
4882 Simplify length insn attribute and make more judicious use
4883 of insn attribute defaulting.
4884 * config/sparc/sparc.md (all insns with length > one): Mark as
4885 insn type multi if real instructions, else use default if
4886 it is a forced splitter.
4887 (all insns with length == one): Use default insn length.
4888 (all insns of type ialu): Use default insn type.
4890 Fix erroneous insn attribute settings.
4891 (addx): Set insn type to misc.
4892 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
4893 const_umulsidi3_sp64): Set insn type to imul.
4895 Track SFmode vs DFmode insns according to UltraSPARC
4897 * config/sparc/sparc.md ("fptype"): New attribute, default
4899 (all DFmode single insns): Mark as fptype "double".
4901 2001-09-03 Jakub Jelinek <jakub@redhat.com>
4903 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
4905 2001-09-03 Richard Henderson <rth@redhat.com>
4907 * function.h (struct function): Add arg_pointer_save_area_init.
4908 * function.c (expand_function_end): Init arg_pointer_save_area.
4909 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
4910 when called from a nested function.
4912 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
4914 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
4917 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4919 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
4921 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
4923 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
4924 (emit_push_insn): Use specified padding direction when
4925 STACK_PUSH_CODE is POST_INC.
4927 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
4929 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4931 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
4933 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
4935 * cppinit.c (cpp_start_read): Free the imacros list as we
4936 traverse it. Don't free the chains before returning.
4937 (_cpp_push_next_buffer): Only try pushing buffers if we've
4938 completed -imacros handling.
4940 2001-08-31 Eric Christopher <echristo@redhat.com>
4942 * gcc.c (handle_braces): Add explaination for abort.
4944 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
4946 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
4947 move adjustment of bitpos instead.
4949 2001-08-31 Zack Weinberg <zack@codesourcery.com>
4951 * function.c: Remove all_functions. Make outer_function_chain
4953 (init_function_start): Don't add new function structure to
4955 (find_function_data, push_function_context_to,
4956 pop_function_context_from, put_var_into_stack,
4957 trampoline_address): Update for changed structure element names.
4958 (push_function_context_to): Disentangle.
4959 (free_after_compilation): Also free F.
4960 (expand_dummy_function_end): Don't free cfun here.
4961 (put_var_into_stack): Comment why we can't use find_function_data here.
4962 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
4963 (mark_function_chain): Split into maybe_mark_struct_function and
4964 ggc_mark_struct_function. Export the latter.
4965 (init_function_once): Mark from cfun and outer_function_chain;
4968 * function.h (struct function): Kill next_global. Rename next
4969 to outer. All users updated to match.
4970 (all_functions, outer_function_chain): Don't declare.
4972 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
4973 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
4974 don't touch f->inlinable, after calling rest_of_compilation.
4976 * tree.h: Forward-declare struct function. Prototype
4977 ggc_mark_struct_function.
4979 2001-08-31 Kazu Hirata <kazu@hxi.com>
4981 * config/h8300/h8300.md (*andorhi3): Fix typos.
4983 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4985 * calls.c (emit_library_call_value): Don't use a fixed
4986 argument after VA_CLOSE, i.e. out of scope in traditional C.
4988 * emit-rtl.c (gen_rtvec): Likewise.
4990 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4992 * Makefile.in (c-pragma.o): Depend on output.h.
4993 (reorg.o): Depend on except.h.
4995 * c-pragma.c: Include output.h.
4997 * reorg.c: Include except.h.
4999 * unwind-dw2.c: Call __builtin_alloca, not alloca.
5001 2001-08-31 Richard Henderson <rth@redhat.com>
5003 * sched-deps.c (add_dependence): Don't elide dependency if the
5004 conditional used by insn is modified in elem.
5006 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
5008 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
5010 2001-08-31 Diego Novillo <dnovillo@redhat.com>
5012 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
5015 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
5017 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
5019 (stormy16_asm_out_constructor): New function.
5020 (TARGET_ASM_CONSTRUCTOR): Define.
5021 (TARGET_ASM_DESTRUCTOR): Define.
5023 2001-08-31 Andreas Jaeger <aj@suse.de>
5025 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
5026 * loop.c (add_label_notes): Likewise.
5027 * reload.c (find_reloads): Likewise.
5028 * config/sh/sh.c (machine_dependent_reorg): Likewise.
5030 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
5032 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
5033 code here. Take _Unwind_{W,Sw}ord*.
5034 (read_encoded_value_with_base): Use them.
5035 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
5037 (extract_cie_info): Simplify read_?leb128 handling.
5038 (execute_stack_op, execute_cfa_program): Likewise.
5039 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
5041 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
5043 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
5044 the frame pointer to pop the stack if convenient.
5046 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
5047 Don't use post-increment before combine.
5048 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
5049 a call-saved register.
5051 2001-08-31 Andreas Jaeger <aj@suse.de>
5053 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
5056 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
5058 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
5059 not DIV/MOD, of course.
5061 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
5063 * rtl.def: Undo my patch commited 2001-08-27.
5065 * genattrtab.c: Ditto.
5069 * sched-int.h: Ditto.
5071 * target-def.h: Ditto.
5075 * haifa-sched.c: Ditto.
5077 * sched-rgn.c: Ditto.
5079 * sched-vis.c: Ditto.
5081 * Makefile.in: Ditto.
5083 * doc/md.texi: Ditto.
5085 * doc/tm.texi: Ditto.
5087 * doc/contrib.texi: Ditto.
5089 * doc/gcc.texi: Ditto.
5091 * genattrtab.h: Remove it.
5093 * genautomata.c: Remove it.
5095 * genattr.c: Undo my patch and Richard Henderson's patch commited
5098 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
5100 * config.gcc (h8300-*-elf*): New case.
5101 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
5102 (SUBTARGET_CPP_SPEC): Define.
5103 (EXTRA_SPECS): Define.
5104 (SUBTARGET_EXTRA_SPECS): Define.
5105 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
5106 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
5108 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
5110 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
5111 (LIB2FUNCS_EXTRA): Define.
5112 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
5113 config/h8300/fixunssfsi.c: New file.
5115 2001-08-30 Kazu Hirata <kazu@hxi.com>
5117 * config/h8300/h8300.md (zero_extendqihi2): Changes to
5118 define_expand to accommodate target-specific attributes.
5119 (anonymous zero_extendqihi2 patterns): New.
5121 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
5123 * h8300.md (*andorhi3): New pattern.
5125 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
5127 * h8300.c (dosize): Fix test for "sub".
5129 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
5131 * c-typeck.c (pointer_diff): Try to eliminate common term before
5134 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
5136 * config/arm/arm.c (arm_compute_initial_elimination_offset):
5137 Account for the saves of the FP registers.
5139 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
5140 (TEXT_SECTION_ASM_OP): Define.
5141 (INIT_SECTION_ASM_OP): Define.
5142 (FINI_SECTION_ASM_OP): Define.
5143 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
5144 (RDATA_SECTION_FUNCITON): Provide prototype.
5146 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
5148 * reload1.c (move2add_note_store): Correct typo checking for
5151 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
5153 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
5154 note should not be considered outside the libcall block.
5156 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5158 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
5160 2001-08-29 Kazu Hirata <kazu@hxi.com>
5162 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
5164 2001-08-29 Kazu Hirata <kazu@hxi.com>
5166 * config/h8300/h8300-protos.h: Add a prototype for
5168 * config/h8300/h8300.c (emit_logical_op): New.
5169 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
5176 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5178 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
5179 comparison with rtx INTVAL.
5180 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
5182 * pa.h (FUNCTION_ARG_SIZE): Likewise.
5184 2001-08-29 Kazu Hirata <kazu@hxi.com>
5186 * config/h8300/lib1funcs.asm: Update the copyright. Fix
5189 2001-08-29 Kazu Hirata <kazu@hxi.com>
5191 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
5192 (reg n) to (mem (pre_dec (reg n))
5193 (anonymous movsi pattern): Likewise.
5195 2001-08-29 Kazu Hirata <kazu@hxi.com>
5197 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
5199 2001-08-29 Kazu Hirata <kazu@hxi.com>
5201 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
5202 several special constants.
5204 2001-08-29 Kazu Hirata <kazu@hxi.com>
5206 * config/h8300/lib1funcs.asm: Fix comment typos.
5208 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5210 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
5211 Fix format specifier warnings.
5213 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
5214 inet_makeaddr, semctl): Prototype.
5216 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
5217 (save_restore_insns): Use base_offset, not gp_offset.
5219 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
5220 (ASM_OUTPUT_BYTE): Fix format specifier warning.
5222 2001-08-29 Richard Henderson <rth@redhat.com>
5224 * bb-reorder.c (function_tail_eff_head): New.
5225 (record_effective_endpoints): Set it.
5226 (fixup_reorder_chain): Use it.
5228 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5230 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
5232 2001-08-28 Dale Johannesen <dalej@apple.com>
5234 * config/darwin.c (machopic_function_base_name): Add const
5235 qualifier to a string.
5236 (darwin_encode_section_info): Ditto.
5238 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5240 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
5241 function definition.
5243 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
5245 * df.h (struct df): Add rts_order variable.
5247 * df.c (df_visit_next_rts): New function.
5248 (df_visit_next): Renamed to df_visit_next_rc
5249 (df_analyse_1): Allocate/compute/free rts_order as well.
5250 (df_rd_global_compute): Use df_visit_next_rc instead of
5252 (df_ru_global_compute): Use df_visit_next_rts instead of
5255 * flow.c (flow_reverse_top_sort_order_compute): New function.
5257 * basic-block.h: Add prototype.
5259 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
5261 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
5262 blocks, the BB_REACHABLE is now set, rather than aux being
5263 non-NULL. Update the test to reflect this.
5265 2001-08-28 Eric Christopher <echristo@redhat.com>
5267 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
5268 config/mips/crti.asm: Ditto.
5270 2001-08-28 Eric Christopher <echristo@redhat.com>
5271 Richard Henderson <rth@redhat.com>
5273 * c-pragma.h (add_weak): Move prototype from here...
5274 * output.h (add_weak): ... to here.
5275 * varasm.c (add_weak): Fix typo.
5276 * config/mips/crti.asm: New file.
5277 * config/mips/crtn.asm: Ditto.
5278 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
5279 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
5280 (INVOKE__main): Ditto.
5281 (INIT_SECTION_ASM_OP): New.
5282 (FINI_SECTION_ASM_OP): Ditto.
5283 (STARTFILE_SPEC): Add crti.
5284 (ENDFILE_SPEC): Add crtn.
5285 * config/mips/elf64.h: Same.
5286 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
5288 * config/mips/vxworks.h: Ditto.
5289 * config/mips/t-elf: Support crti and crtn.
5291 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
5293 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
5296 2001-08-28 Richard Henderson <rth@redhat.com>
5298 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
5299 (one_cmplbi2 splitter): Remove redundant test.
5301 2001-08-28 Dale Johannesen <dalej@apple.com>
5303 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
5305 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
5307 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
5309 2001-08-28 Stan Shebs <shebs@apple.com>
5311 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
5312 (UNALIGNED_SHORT_ASM_OP): Define.
5313 (UNALIGNED_INT_ASM_OP): Define.
5315 2001-08-28 Will Cohen <wcohen@redhat.com>
5317 * config/rs6000/rs6000.md (store_multiple): Correct RTL
5318 generation for first set.
5320 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
5322 * flow.c (redirect_edge_succ_nodup): Return new edge.
5323 (try_simplify_condjump): Use new edge.
5324 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
5326 * cse.c (cse_basic_block): Skip note instructions.
5328 2001-08-27 Richard Henderson <rth@redhat.com>
5330 * combine.c (combine_simplify_rtx): Don't reverse condition
5331 if there is no reverse for the condition.
5332 (simplify_comparison): Don't simplify subregs from INT to FP.
5334 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
5335 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
5336 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
5337 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
5338 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
5339 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
5341 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
5343 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
5344 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
5346 (adddi_dilshr32, adddi_dishl32): Only data register can be
5347 source for mem destination.
5349 * expmed.c (store_bit_field): Ignore adjustment to bitpos
5350 and use bitnum to decide about register move.
5352 2001-08-27 Richard Henderson <rth@redhat.com>
5354 * genattr.c (main): Emit state_t even when not doing scheduling.
5356 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
5357 Richard Henderson <rth@redhat.com>
5359 * gcse.c (reg_first_set, reg_last_set): Replace with ...
5360 (reg_avail_info, current_bb): ... these.
5361 (oprs_unchanged_p, record_last_reg_set_info): Use them.
5362 (compute_hash_table): Likewise.
5364 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
5366 * flow.c (verify_flow_info): Use checksums to verify edges.
5368 2001-08-27 Richard Henderson <rth@redhat.com>
5370 * genautomata.c (expand_automata): Always create a description.
5372 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
5374 * optabs.c (expand_binop): Correctly handle the carry in multiword
5375 add/subtract operations.
5377 2001-08-27 Fred Fish <fnf@be.com>
5379 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
5382 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
5384 * reload.c (find_reloads_toplev): Back out this change:
5386 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
5388 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
5389 mem if the address is a mode_dependent_address_p.
5391 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
5393 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
5394 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
5395 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
5398 * genattr.c (main): New variable num_insn_reservations. Increase
5399 it if there is DEFINE_INSN_RESERVATION. Output automaton based
5400 pipeline hazard recognizer interface.
5402 * genattrtab.h: New file.
5404 * genattrtab.c: Include genattrtab.h.
5405 (attr_printf, check_attr_test, make_internal_attr,
5406 make_numeric_value): Move protypes into genattrtab.h. Define them
5408 (num_dfa_decls): New global variable.
5409 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
5410 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
5411 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
5412 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
5414 * genautomata.c: New file.
5416 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
5418 * sched-int.h: (curr_state): Add the external definition for
5419 automaton pipeline interface.
5420 (haifa_insn_data): Add comments for members blockage and units.
5422 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
5423 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
5424 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
5425 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
5426 TARGET_SCHED_DFA_POST_CYCLE_INSN,
5427 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
5428 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
5430 (TARGET_SCHED): Use the new macros.
5432 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
5433 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
5434 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
5435 dfa_bubble): New members in gcc_target.sched.
5437 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
5438 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
5439 (insn_queue): Redefine it as pointer to array.
5440 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
5442 (max_insn_queue_index_macro_value): New variable.
5443 (curr_state, dfa_state_size, ready_try): New varaibles for
5444 automaton interface.
5445 (ready_element, ready_remove, max_issue): New function prototypes
5446 for automaton interface.
5447 (choose_ready): New function prototype.
5448 (insn_unit, blockage_range): Add comments.
5449 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
5450 FUNCTION_UNITS_SIZE == 0.
5451 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
5452 actual_hazard, potential_hazard): Add comments.
5453 (insn_cost): Use cost -1 as undefined value. Remove
5454 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
5456 (ready_element, ready_remove): New functions for automaton
5458 (schedule_insn): Add new code for automaton pipeline interface.
5459 (queue_to_ready): Add new code for automaton pipeline interface.
5460 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
5461 (debug_ready_list): Print newline when the queue is empty.
5462 (max_issue): New function for automaton pipeline interface.
5463 (choose_ready): New function.
5464 (schedule_block): Add new code for automaton pipeline interface.
5465 Print ready list before scheduling each insn.
5466 (sched_init): Add new code for automaton pipeline interface.
5467 Initiate insn cost by -1.
5468 (sched_finish): Free the current automaton state and finalize
5469 automaton pipeline interface.
5471 * sched-rgn.c: Include target.h.
5472 (init_ready_list, new_ready, debug_dependencies): Add new code for
5473 automaton pipeline interface.
5475 * sched-vis.c: Include target.h.
5476 (get_visual_tbl_length): Add code for automaton interface.
5477 (target_units, print_block_visualization): Add comments.
5479 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
5480 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
5481 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
5482 (getruntime.o, genautomata.o): New entries.
5483 (genattrtab.o): Add new dependency file genattrtab.h.
5484 (genattrtab): Add new dependencies. Link it with `libm.a'.
5485 (getruntime.o, hashtab.o): New entries for canadian cross.
5487 * doc/md.texi: Description of automaton based model.
5489 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
5491 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
5492 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
5493 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
5494 TARGET_SCHED_DFA_POST_CYCLE_INSN,
5495 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
5496 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
5497 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
5499 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
5500 MAX_DFA_ISSUE_RATE): New macro descriptions.
5502 * doc/contrib.texi: Add dfa based scheduler contribution.
5504 * doc/gcc.texi: Add more information about genattrtab.
5506 2001-08-27 Diego Novillo <dnovillo@redhat.com>
5508 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
5511 2001-08-27 Richard Henderson <rth@redhat.com>
5513 * function.c (expand_function_end): Don't init arg_pointer_save_area.
5514 (get_arg_pointer_save_area): New. Create an init it here.
5515 (fix_lexical_addr): Use it.
5516 * function.h: Declare it.
5517 * builtins.c (expand_builtin_setjmp_receiver): Use it.
5518 * stmt.c (expand_nl_goto_receiver): Use it.
5520 2001-08-27 Richard Henderson <rth@redhat.com>
5522 * final.c (final_scan_insn): Don't enter APP_ON mode for
5525 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
5526 alignment for assemble_integer for DW_EH_PE_aligned.
5527 * except.c (output_function_exception_table): Likewise.
5529 2001-08-26 Andreas Jaeger <aj@suse.de>
5531 * c-tree.h: Add prototyp for c_sizeof_nowarn.
5533 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
5535 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
5537 2001-08-27 Alan Modra <amodra@bigpond.net.au>
5539 * config/rs6000/rs6000.c (mask_operand): Rewrite without
5541 (mask64_operand): Likewise.
5542 (rldic_operand): Delete.
5543 (includes_lshift64_p): Delete.
5544 (includes_rldic_lshift_p): New function.
5545 (includes_rldicr_lshift_p): New function.
5546 (print_operand): Don't call rldic_operand in case 'W'.
5547 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
5548 (includes_lshift64_p): Remove.
5549 (includes_rldic_lshift_p): Declare.
5550 (includes_rldicr_lshift_p): Declare.
5551 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
5552 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
5553 Replace match_operand rldic_operand predicate with
5554 const_int_operand. Replace includes_lshift64_p condition with
5555 includes_rldic_lshift_p.
5556 <ashldi3_internal 64 bit rldicr patterns>: New.
5558 2001-08-27 Andreas Jaeger <aj@suse.de>
5560 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
5561 * errors.c: Likewise.
5562 * final.c: Likewise.
5563 * dwarf2asm.c: Likewise.
5564 * doprint.c (checkit): Likewise.
5565 * diagnostic.c: Likewise.
5566 * collect2.c: Likewise.
5567 * calls.c: Likewise.
5568 * c-semantics.c (build_stmt): Likewise.
5569 * c-format.c (status_warning): Likewise.
5570 * c-errors.c (pedwarn_c99): Likewise.
5571 * builtins.c (validate_arglist): Likewise.
5572 * config/pj/pj.c (pj_printf): Likewise.
5573 * fix-header.c: Likewise.
5575 * gcov.c (fnotice): Likewise.
5576 * gensupport.c (message_with_line): Likewise.
5577 * mips-tfile.c: Likewise.
5578 * protoize.c (notice): Likewise.
5579 * read-rtl.c (fatal_with_file_and_line): Likewise.
5580 * rtl-error.c: Likewise.
5581 * tradcpp.c: Likewise.
5583 * cp/tree.c (build_min_nt): Likewise.
5584 (build_min): Likewise.
5585 * cp/lex.c: Likewise.
5586 * cp/errfn.c: Likewise.
5587 * cp/rtti.c (create_pseudo_type_info): Likewise.
5589 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
5591 * df.c (df_uses_record): Return after recording all uses
5594 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
5596 * df.c (df_insn_modify): Realloc the INSN table here, if
5597 necessary, here, too.
5599 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
5601 * config/mips/mips.c (mips_function_value): Handle complex return
5604 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
5606 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
5608 * reload.c (make_memloc): Copy result if it is still
5609 reg_equiv_memory_loc[regno] on return.
5610 (subst_reloads) [ENABLE_CHECKING]: Check that none of
5611 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
5612 reg_equiv_mem are modified by the substitutions.
5614 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5616 * predict.c (expensive_function_p): New.
5617 * rtl.h (expensive_function_p): Declare.
5618 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
5619 (use_fast_prologue_epilogue): New static variable.
5620 (expand_prologue): Set it; emit short prologues if unset.
5621 (expand_epilogue): Likewise.
5623 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
5625 * config.gcc: Add stormy16-*-elf case.
5626 * config/stormy16/stormy-abi: New file.
5627 * config/stormy16/stormy16-lib2.c: New file.
5628 * config/stormy16/stormy16-protos.h: New file.
5629 * config/stormy16/stormy16.c: New file.
5630 * config/stormy16/stormy16.h: New file.
5631 * config/stormy16/stormy16.md: New file.
5632 * config/stormy16/t-stormy16: New file.
5634 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
5636 * i386.h (no-accumulate-outgoing-args): Use proper mask.
5638 2001-08-24 David Edelsohn <edelsohn@gnu.org>
5640 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
5641 descriptor members are pointer size, not constant 4.
5642 * config/rs6000/rs6000.md (define_splits): Remove more unused
5645 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5647 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
5649 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
5651 * cp/rtti.c (VPARAMS): Fix parameter.
5653 2001-08-24 Zack Weinberg <zackw@panix.com>
5655 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
5657 (mode_for_extraction): No need for #ifdefs. Add default-case abort
5659 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
5660 in if controlling use of insv.
5661 (extract_bit_field): Likewise, for extv and extzv.
5663 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
5665 * i386.md (movcc peep2): Fix load of 0.
5667 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5669 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
5670 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
5672 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
5674 * c-pragma.h: Move weak_syms and weak_decls...
5675 * varasm.c: ...here. Now static.
5676 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
5677 depend on HANDLE_PRAGMA_WEAK.
5679 * c-common.c (c_alignof, c_alignof_expr): Move here...
5680 * c-typeck.c: ...from here.
5681 * c-tree.h, c-common.h: Adjust.
5683 2001-08-23 Bernd Schmidt <bernds@redhat.com>
5685 * config/ia64/ia64.c (rws_update): If !pred, set write_count
5686 instead of incrementing it.
5688 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
5689 asm ready, don't try to move them all into the same array element.
5691 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5693 * function.c (thread_prologue_and_epilogue_insns): Avoid
5694 fallthru flag on edge to exit.
5696 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
5698 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
5701 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
5703 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
5704 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
5705 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
5708 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
5710 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
5711 replace "GNU CC" with "GCC".
5713 2001-08-23 Richard Henderson <rth@redhat.com>
5715 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
5716 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
5717 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
5718 Need GR between FR and not GR_AND_FR.
5719 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
5720 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
5721 AR regs before GR regs.
5722 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
5723 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
5724 (REGISTER_MOVE_COST): Update.
5725 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
5727 2001-08-23 Richard Henderson <rth@redhat.com>
5729 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
5732 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
5734 * reload1.c (emit_reload_insns): Don't look for notes
5735 on a NULL store_insn.
5737 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5739 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
5740 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
5741 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
5742 format specifier warnings.
5743 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
5745 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
5747 * config/i386/i386-protos.h: Correct declaration of
5748 i386_pe_asm_named_section.
5750 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
5752 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
5754 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5756 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
5758 * cpperror.c (print_location): Don't show _Pragma.
5759 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
5760 and file change callback generation here.
5761 (stack_include_file): Update use of cpp_push_buffer.
5762 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
5763 (struct cpp_buffer): Remove type, pfile members.
5764 * cppinit.c (cpp_handle_option): Use free_chain.
5765 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
5766 (skip_escaped_newlines, get_effective_char, lex_percent): Take
5767 a cpp_reader rather than a cpp_buffer.
5768 (skip_escaped_newlines, get_effective_char, skip_block_comment,
5769 skip_line_comment, parse_string, lex_percent, lex_dot,
5770 _cpp_lex_token): Update accordingly.
5771 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
5773 (cpp_push_buffer): Update prototype.
5774 (run_directive): Update use of cpp_push_buffer.
5775 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
5776 handle_assertion): Update use of run_directive.
5777 * cpplib.h (enum cpp_buffer_type): Remove.
5778 (cpp_push_buffer): Update prototype.
5779 * fix-header.c (read_scan_file): Update.
5781 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
5783 * gcc.c (struct prefix_list): Change prefix to const char *.
5785 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
5787 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
5789 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
5791 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
5794 * jump.c (squeeze_notes): Take parms by reference. Handle END being
5797 * ifcvt.c (dead_or_predicable): Adjust.
5798 * loop.c (find_and_verify_loops): Adjust.
5799 * stmt.c (expand_end_case): Adjust.
5800 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
5801 head and end insn pointers in the basic block, not just local copies.
5802 (merge_blocks_move_predecessor_nojumps): Likewise.
5804 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
5806 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
5807 bitmap.h, builtin-types.def, builtins.c, builtins.def,
5808 c-aux-info.c, c-common.c, c-common.def, c-common.h,
5809 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
5810 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
5811 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
5812 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
5813 conditions.h, config.gcc, configure.frag, configure.in,
5814 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
5815 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
5816 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
5817 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
5818 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
5819 emit-rtl.c, errors.c, errors.h, except.c, except.h,
5820 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
5821 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
5822 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
5823 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
5824 gencheck.c, gencodes.c, genconfig.c, genemit.c,
5825 genextract.c, genflags.c, gengenrtl.c, genmultilib,
5826 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
5827 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
5828 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
5829 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
5830 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
5831 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
5832 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
5833 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
5834 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
5835 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
5836 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
5837 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
5838 params.h, predict.c, predict.def, predict.h, prefix.c,
5839 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
5840 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
5841 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
5842 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
5843 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
5844 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
5845 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
5846 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
5847 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
5848 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
5849 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
5850 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
5851 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
5852 xcoffout.h: replace "GNU CC" with "GCC".
5854 2001-08-21 Richard Henderson <rth@redhat.com>
5856 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
5857 (final_scan_insn): Consider jump tables data even if we have no
5858 independent text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
5860 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
5861 (ASM_OUTPUT_CASE_END): Remove.
5862 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
5863 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
5864 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
5866 2001-08-21 Richard Henderson <rth@redhat.com>
5868 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
5869 at barrier insns. Emit stop bits before barriers.
5871 * flow.c (flow_find_cross_jump): Don't consider unconditional
5872 return insns for commoning.
5874 * final.c (compute_alignments): Fix typo.
5876 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
5877 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
5878 (store_bit_field): Use mode_for_extraction more places.
5879 (extract_bit_field): Likewise.
5881 2001-08-21 Zack Weinberg <zackw@panix.com>
5883 * caller-save.c: Don't include insn-codes.h.
5884 (reg_save_code, reg_restore_code): Make arrays of int.
5885 All uses updated to match.
5886 (insert_save, insert_restore): No need to initialize "code"
5887 variable upon declaration.
5888 * Makefile.in: update dependencies; fix typo in clean rule.
5890 2001-08-21 Richard Henderson <rth@redhat.com>
5892 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
5893 (merge_if_block): Handle fallout from same.
5895 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5897 * builtins.c (type_to_class): Fix typo in last change.
5899 2001-08-21 Richard Henderson <rth@redhat.com>
5901 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
5902 ia64_asm_output_label.
5904 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
5905 copy of gp while the real gp register contains garbage.
5907 2001-08-21 Zack Weinberg <zackw@panix.com>
5909 * expmed.c (mode_for_extraction): New function.
5910 (store_bit_field, extract_bit_field): Use it.
5911 * expr.h: Prototype it and provide an enum for its first argument.
5913 * combine.c, function.c, recog.c: Don't include insn-codes.h.
5914 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
5915 and digging through the insn_data tables.
5916 * Makefile.in: Update dependencies.
5918 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
5920 * cppfiles.c (stack_include_file): line-map.c now handles include
5922 (handle_missing_handler): Similarly.
5923 (_cpp_execute_include): Similarly.
5924 (_cpp_pop_file_buffer): Similarly.
5925 * cpphash.h (struct cpp_reader): Remove system_include_depth,
5926 buffer_stack_depth and include_depth.
5927 * cpplib.c (do_include_common): line-map.c now handles include depth.
5928 (cpp_push_buffer): Similarly.
5929 (_cpp_pop_buffer): Similarly.
5930 * cppmacro.c (builtin_macro): Update.
5931 * line-map.c (init_line_maps): Set depth.
5932 (add_line_map): Increment "used" earlier. Update and use the
5934 (trace_include): Use the include depth.
5935 * line-map.h (struct line_maps): New member depth.
5937 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
5939 * cppfiles.c (stack_include_file): Don't handle -H here.
5940 * cppinit.c (cpp_start_read): Set include tracing after
5941 cpp_post_options and after stacking the main file.
5942 * line-map.c (trace_include): New.
5943 (init_line_maps, add_line_map): Update.
5944 * line-map.h (struct line_maps): New member trace_includes.
5946 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
5948 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
5949 * cppfiles.c (stack_include_file): Only stack a file if there
5950 is something to do. Return a boolean indicating whether a
5951 buffer was stacked or not.
5952 (_cpp_execute_include): Similarly.
5953 (_cpp_read_file): Similarly.
5954 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
5956 2001-08-21 Sam Steingold <sds@gnu.org>
5958 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
5959 (RECACHE): keep obufp_before_macroname up to date
5961 2001-08-21 Zack Weinberg <zackw@panix.com>
5963 * stmt.c: Don't include insn-codes.h.
5964 (expand_end_case): Machine specific logic moved to expr.c.
5965 No need to worry about __builtin_classify_type.
5966 (check_for_full_enumeration_handling, emit_case_nodes):
5969 * builtins.o (expand_builtin_classify_type): Split up so code
5970 can be shared with fold_builtin_classify_type.
5971 (type_to_class, fold_builtin_classify_type): New functions.
5972 (fold_builtins): Handle __builtin_classify_type.
5974 * expr.c (do_tablejump): Now static.
5975 (case_values_threshold, try_casesi, try_tablejump): New;
5976 code mostly from stmt.c (expand_end_case).
5977 (expr.h): Update prototypes.
5979 * Makefile.in (stmt.o): Update dependencies.
5981 2001-08-21 Will Cohen <wcohen@redhat.com>
5983 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
5984 declaration of variable i.
5985 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
5986 declaration of variable i.
5988 2001-08-21 Richard Henderson <rth@redhat.com>
5990 * crtstuff.c: Fix thinko last change. Move list tails to start
5991 of CRT_END section. Tidy ifdefs.
5992 (__EH_FRAME_BEGIN__): Always static for ELF.
5993 (__do_global_ctors_1): Rename from __frame_dummy.
5994 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
5995 name change; don't hide __EH_FRAME_BEGIN__.
5997 2001-08-21 Richard Henderson <rth@redhat.com>
5999 * gdbinit.in: Move break on exit after break on fancy_abort.
6001 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
6004 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
6006 * cpphash.h (_cpp_push_next_buffer): New.
6007 * cppinit.c (do_includes): Remove.
6008 (push_include, free_chain, _cpp_push_next_buffer): New.
6009 (cpp_start_read): Use them to rework command line option handling.
6010 (cpp_handle_option): Combine handling of -include and -imacros.
6011 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
6012 appropriate. Always insert missing \n at EOF.
6013 * cpplib.c (start_directive): Get the directive position right.
6014 * cppmain.c (cb_file_change): Always print the first line, unless
6017 2001-08-20 Andreas Jaeger <aj@suse.de>
6019 * profile.c (compute_branch_probabilities): Remove extra new-line
6021 * flow.c (verify_flow_info): Likewise.
6023 2001-08-20 Diego Novillo <dnovillo@redhat.com>
6025 * basic-block.h (basic_block): Add new field 'flags'.
6026 (BB_REACHABLE): Define.
6027 (expunge_block): Declare.
6028 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
6029 (EXIT_BLOCK_PTR): Ditto.
6030 (expunge_block): Remove static declaration.
6031 (cleanup_cfg): Clear bb->aux on every basic block.
6032 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
6033 computing reachability.
6034 (delete_unreachable_blocks): Delete block b if b->flags has
6037 2001-08-20 Diego Novillo <dnovillo@redhat.com>
6039 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
6041 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6043 * sparc.c (sparc_variable_issue): Fix typo in last change.
6045 2001-08-20 Richard Henderson <rth@redhat.com>
6047 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
6049 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
6051 * pa.h (RETURN_IN_MEMORY): Improve comment.
6053 2001-08-20 Janis Johnson <janis187@us.ibm.com>
6055 * doc/invoke.texi (Profiling options): Clarify the interactions
6056 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
6058 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
6060 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
6063 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
6065 * gcc.c (make_relative_prefix): Allocate a sufficiently large
6068 2001-08-20 Richard Henderson <rth@redhat.com>
6070 * final.c (end_final): Fix typo last change.
6072 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
6074 * cppinit.c (init_standard_includes): The returned buffer
6075 is already malloc-ed.
6076 * gcc.c (add_prefix): Similarly.
6077 * prefix.c (translate_name): Update to support clear buffer
6079 (update_path): Similarly. Be sure to free any newly allocated
6080 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
6082 * prefix.h (update_path): Update prototype and document.
6083 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
6084 up and update to new buffer ownership rules.
6085 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
6087 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
6089 * final.c (compute_alignments): New function.
6090 (init_insn_lengths): Do not care label_align.
6091 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
6092 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
6093 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
6094 (shorted_branches): Realloc label_align array; do
6095 not call init_insn_lengths; Do not care about loop alignments.
6096 * output.h (compute_alignments): Declare.
6097 * toplev.c (rest_of_compilation): Call compute_alignments.
6098 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
6100 * predict.c (block_info_def): Add npredecesors, remove nvisited;
6101 change visited to tovisit.
6102 (propagate_freq): Use faster traversing algorithm.
6103 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
6104 to tovisit; reverse meaning.
6106 * predict.c (struct block_info_def): Remove nvisited.
6107 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
6108 (estimate_bb_frequencies): Call mark_dfs_back_edges.
6110 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
6112 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
6113 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
6114 (TARGET_FUSED_MADD): New.
6115 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
6116 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
6117 the multiply-add instructions.
6119 2001-08-19 Richard Henderson <rth@redhat.com>
6121 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
6122 is aligned to pointer size.
6124 2001-08-19 Richard Henderson <rth@redhat.com>
6126 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
6127 display markers during final schedule.
6129 2001-08-19 Richard Henderson <rth@redhat.com>
6131 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
6133 2001-08-19 Richard Henderson <rth@redhat.com>
6135 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
6137 (ASM_NAME_TO_STRING): Remove.
6138 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
6139 in the same string. Remove support for expressions.
6141 2001-08-19 Richard Henderson <rth@redhat.com>
6143 * config/i386/i386.md (tablejump): Make an expander; handle
6144 pic relative addressing here.
6145 (tablejump_1): Rename from tablejump_pic.
6148 2001-08-19 Richard Henderson <rth@redhat.com>
6150 * regclass.c (fix_register): Fix typo.
6152 2001-08-18 Richard Henderson <rth@redhat.com>
6154 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
6155 (struct _Unwind_Context): Expand br_loc to hold it.
6156 (uw_frame_state_for): Handle leaf functions better.
6157 (uw_update_reg_address): Update for br_loc change.
6159 2001-08-18 Richard Henderson <rth@redhat.com>
6161 * crtstuff.c: Move list heads before code that uses them.
6162 (__JCR_LIST__): Remove initial null.
6163 (frame_dummy, __frame_dummy): Do java registration here ...
6164 (__do_global_ctors_aux): ... not here.
6166 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
6167 (__do_global_dtors_aux): Update to match.
6168 (__JCR_LIST__, __do_jv_register_classes): New.
6170 * config/ia64/crtend.asm (__JCR_END__): New.
6171 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
6172 instead of an indirect LTOFF22 reloc.
6174 2001-08-18 Richard Henderson <rth@redhat.com>
6176 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
6177 * regclass.c (init_reg_sets_1): Fix typo.
6178 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
6179 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
6180 (ia64_compute_frame_size): Make ar.unat live when in use.
6181 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
6182 for ar.pfs; remove ar.unat handling.
6183 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
6185 (PREDICATE_CODES): Add ar_pfs_reg_operand.
6186 * config/ia64/ia64-protos.h: Update decls.
6187 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
6188 (sibcall_pic): Likewise.
6190 2001-08-18 Richard Henderson <rth@redhat.com>
6192 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
6193 pred_rel_mutex when searching for insn_group_barrier.
6194 * config/ia64/ia64.md (cycle_display): Combine the expander
6197 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
6198 bit before asm as needed.
6200 2001-08-18 Richard Henderson <rth@redhat.com>
6202 * timevar.def (TV_MACH_DEP): New.
6203 * toplev.c (rest_of_compilation): Use it.
6204 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
6206 2001-08-18 Zack Weinberg <zackw@panix.com>
6208 * unwind-dw2.c (execute_stack_op): Add default aborts to
6209 the inner switches to prevent warnings.
6211 2001-08-18 Richard Henderson <rth@redhat.com>
6213 * timevar.h (struct timevar_time_def): Change element type to float.
6214 (ticks_to_msec, clocks_to_msec): Likewise.
6215 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
6216 (get_time): Likewise.
6217 (timevar_print): Adjust zero check and printing to match.
6219 2001-08-18 Zack Weinberg <zackw@panix.com>
6221 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
6222 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
6223 Eliminate overfull or underfull hboxes.
6225 2001-08-18 Zack Weinberg <zackw@panix.com>
6227 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
6229 2001-08-18 Zack Weinberg <zackw@panix.com>
6231 * haifa-sched.c: Convert to target hooks. Macros replaced
6232 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
6233 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
6234 MD_SCHED_FINISH, and HAVE_cycle_display.
6235 * target-def.h (TARGET_SCHED_ADJUST_COST,
6236 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
6237 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
6238 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
6239 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
6240 New hook #defines to be overridden.
6241 (TARGET_SCHED): Bring them all together.
6242 (TARGET_INITIALIZER): Update.
6243 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
6244 instead of 'struct rtx_def *' throughout.
6245 (struct sched): New set of hooks for the scheduler.
6246 * Makefile.in (haifa-sched.o): Depend on target.h.
6247 * doc/tm.texi: Document the new scheduler hooks, together in
6248 their own section, instead of scattered around.
6249 Fix a bunch of underfull/overfull hboxes.
6251 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
6252 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
6253 sparc.h: Don't define any of the old scheduler macros.
6255 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
6256 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
6257 sparc.c: Create hook functions from code extracted from
6258 corresponding target header, or make existing hooks static, as
6259 appropriate. Set the appropriate entries in targetm.
6261 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
6262 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
6263 rs6000-protos.h, s390-protos.h, sparc-protos.h:
6264 Remove prototypes for functions which are now static.
6266 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
6267 related gunk; the Haifa scheduler is now the only choice.
6269 2001-08-18 Zack Weinberg <zackw@panix.com>
6271 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
6272 * genopinit.c: Put floating point divide insns in sdiv_optab.
6273 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
6274 * config/gofast.h, config/c4x/c4x.h,
6275 config/ia64/hpux_longdouble.h, config/mips/mips.h,
6276 config/pa/long_double.h, config/rs6000/sysv4.h,
6277 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
6278 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
6279 (init_optabs): Use init_optabv for overflow-trapping optabs.
6280 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
6281 cmp_optab RTX codes so have_insn_for can find them.
6283 * optabs.c (expand_simple_binop, expand_simple_unop,
6284 have_insn_for, gen_sub3_insn): New interfaces.
6285 * expr.h: Prototype new functions.
6286 (enum optab_methods): Move here from optabs.h.
6288 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
6289 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
6290 Use new functions instead of working directly with optabs.
6291 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
6292 unroll.c: Don't include optabs.h.
6293 * caller-save.c, combine.c, function.c, stmt.c: Just include
6294 insn-codes.h, not optabs.h.
6295 * Makefile.in: Update dependencies.
6297 * combine.c (make_compound_operation, simplify_comparison):
6298 Fix typos testing for this or that instruction.
6300 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6302 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
6303 generating libgcc.a.
6305 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6307 * except.c (TYPE_HASH): Delete.
6309 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
6312 * tree.c (TYPE_HASH): Delete.
6314 * tree.h (TYPE_HASH): Define.
6316 2001-08-18 Graham Stott <grahams@redhat.com>
6318 * config/mips/mips.md (adddi3_internal_2+1): Remove constraints from
6320 (adddi3_internal_2+2): Likewise.
6321 (eh_set_lr_di+1): Likewise.
6323 2001-08-17 Richard Henderson <rth@redhat.com>
6325 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
6326 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
6327 * dwarf2asm.c: ... here.
6328 * dwarfout.c: Remove them.
6330 * varasm.c (assemble_integer): Add align parameter.
6331 (assemble_real, output_constant, output_constructor): Likewise.
6332 * output.h: Update decls.
6333 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
6334 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
6335 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
6336 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
6337 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
6340 * final.c (end_final): Abort profile block generation if we
6341 havn't layed it out properly.
6342 * output.h (assemble_eh_integer): Remove stale decl.
6343 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
6345 (assemble_integer): Handle unaligned data.
6346 (assemble_real): Abort on unaligned data.
6347 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
6349 (default_dtor_section_asm_out_destructor): Use assemble_align.
6350 (default_named_section_asm_out_constructor): Likewise.
6351 (default_ctor_section_asm_out_constructor): Likewise.
6352 * config/darwin.c (machopic_asm_out_constructor): Likewise.
6353 (machopic_asm_out_destructor): Likewise.
6354 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
6355 (nextstep_asm_out_destructor): Likewise.
6356 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
6357 (vms_asm_out_destructor): Likewise.
6359 2001-08-17 Richard Henderson <rth@redhat.com>
6361 * config/mips/iris6.h (TARGET_IRIX6): New.
6362 (current_section_name, current_section_flags): New.
6363 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
6364 (MAX_OFILE_ALIGNMENT): New.
6365 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
6366 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
6367 (copy_file_data): Split out from
6368 (mips_asm_file_end): ... here.
6369 (mips_asm_file_start): Remove extra .section directive. Use
6370 tmpfile instead of mips_make_temp_file.
6371 (mips_unique_section): Use const char * as needed for warnings.
6372 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
6373 re-add align parameter.
6374 (iris6_asm_named_section): New.
6375 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
6376 (iris6_asm_output_align, iris6_section_align_1): New.
6377 (iris6_asm_file_start, iris6_asm_file_end): New.
6378 * config/mips/mips-protos.h: Update decls.
6380 2001-08-17 Janis Johnson <janis187@us.ibm.com>
6382 * doc/install.texi (Install GCC): Add links to build status pages.
6384 (Final install): Ditto; request updates for specific info
6386 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
6388 * cpperror.c (print_location): Don't take a file name; use the
6390 (_cpp_begin_message): Similarly.
6391 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
6392 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
6393 (cpp_pedwarn_with_file_and_line): Remove.
6394 * cppfiles.c (stack_include_file): Update; set filename to stdin
6395 here when appropriate.
6396 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
6397 (_cpp_begin_message): Don't take a file name.
6398 * cppinit.c: Add comment.
6399 * cpplex.c: Fix end-of-directive indicator.
6400 * cpplib.c: Don't include intl.h.
6401 (run_directive, do_diagnostic): Update.
6402 (do_line): Update to not use nominal_fname.
6403 (cpp_push_buffer): Don't take a filename.
6404 * cpplib.h (struct ht): Remove.
6405 (cpp_push_buffer): Don't take a filename.
6406 (cpp_pedwarn_with_file_and_line): Remove.
6407 * cppmacro.c (struct cpp_macro): Remove file.
6408 (builtin_macro): Update.
6409 (_cpp_create_definition): Update.
6410 * cppmain.c: Correct comment.
6411 * fix-header.c (read_scan_file): Update.
6413 2001-08-17 Kazu Hirata <kazu@hxi.com>
6415 * sbitmap.c: Fix comment formatting.
6416 * sched-deps.c: Likewise.
6417 * sibcall.c: Likewise.
6418 * simplify-rtx.c: Likewise.
6420 * ssa-ccp.c: Likewise.
6421 * stor-layout.c: Likewise.
6422 * timevar.c: Likewise.
6423 * toplev.c: Likewise.
6424 * unwind-dw2.c: Likewise.
6425 * unwind-dw2-fde.c: Likewise.
6426 * varasm.c: Likewise.
6428 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
6430 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
6431 or larger than an integer in memory.
6433 2001-08-17 Zack Weinberg <zackw@panix.com>
6435 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
6436 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
6437 * rtl.h: Don't forward-declare union tree_node here. Don't
6438 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
6439 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
6440 and tree respectively.
6441 * tree.h: Don't forward-declare struct rtx_def here. Don't
6442 typedef tree here. Change all uses of struct rtx_def *,
6443 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
6444 and tree respectively.
6446 2001-08-17 Richard Henderson <rth@redhat.com>
6448 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
6449 config/mips/openbsd.h: Fix typos last change.
6451 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6453 * doc/invoke.texi (Optimize Options): The default for
6454 -finline-limit is 600.
6456 2001-08-17 Richard Henderson <rth@redhat.com>
6458 * varasm.c (text_section): Allow TEXT_SECTION to override the
6459 printing of TEXT_SECTION_ASM_OP.
6460 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
6461 (DATA_SECTION, BSS_SECTION): Remove.
6462 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
6463 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
6464 Rename from s/_NAME//.
6465 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
6466 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
6467 (TEXT_SECTION): ... here. New.
6468 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
6469 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
6470 * config/mips/openbsd.h: Likewise.
6471 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
6472 (mips_asm_file_end): Likewise test.
6473 (mips_output_function_epilogue): Likewise. Switch back to data
6474 section after emitting the function.
6476 * doc/tm.texi (Sections): Document TEXT_SECTION.
6478 2001-08-17 Richard Henderson <rth@redhat.com>
6480 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
6481 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
6483 2001-08-17 Richard Henderson <rth@redhat.com>
6485 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
6486 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
6487 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
6488 Add aligned attribute.
6490 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
6492 * config/sh/sh.md: Add modes to unspecs in first insn to match
6493 those in the second.
6495 * Makefile.in: Fix collect2 copy for Cygwin.
6497 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6499 Install the proper patch.
6500 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
6501 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
6502 (expand_function_start): Likewise.
6503 * stmt.c (expand_decl): Likewise.
6504 * varasm.c (make_decl_rtx): Likewise.
6506 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6508 * final.c: Undo my previous accidental checkin.
6509 * output.h: Likewise.
6510 * tm.texi: Likewise.
6512 2001-08-16 Richard Henderson <rth@redhat.com>
6514 * varasm.c (named_section_flags): Remove align parameter.
6515 * varasm.c, dwarf2out.c: Update all callers.
6516 * output.h: Update prototypes.
6518 * target.h (target.asm_out.named_section): Remove align parameter.
6519 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
6520 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
6521 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
6522 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
6523 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
6525 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
6526 (get_named_section_flags, set_named_section_flags): New.
6527 (named_section_flags): Use them.
6528 (named_section): Do decl vs section flags check here...
6529 (default_section_type_flags): ... not here.
6530 (init_varasm_once): Create in_named_htab.
6531 (resolve_unique_section): Mark reloc unused.
6533 2001-08-16 Richard Henderson <rth@redhat.com>
6535 * varasm.c (force_const_mem): Keep pool alignment in bits.
6536 (output_constant_pool): Use assemble_align.
6538 2001-08-16 Zack Weinberg <zackw@panix.com>
6540 * doc/tm.texi: Remove extra @table command.
6542 2001-08-16 Zack Weinberg <zackw@panix.com>
6544 * final.c (shorten_branches): Clear the end of the label_align
6545 array only if we made it larger. Break up messy expressions
6548 * diagnostic.c (internal_error): Check for error recursion
6549 before doing ICE suppression.
6551 * timevar.c: Timing variables now count in milliseconds.
6552 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
6553 (get_time): Not here.
6554 (timevar_print): Don't print any timer whose user, cpu, and
6555 wall times are all zero as displayed.
6556 * timevar.h: Update comment aboout units. Make timevar
6559 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
6561 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
6562 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
6563 (expand_function_start): Likewise.
6564 * stmt.c (expand_decl): Likewise.
6565 * varasm.c (make_decl_rtx): Likewise.
6567 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
6569 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
6570 (finalize_record_size): Don't set TYPE_USER_ALIGN.
6572 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
6574 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
6577 2001-08-16 Andreas Jaeger <aj@suse.de>
6579 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
6582 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
6584 * rtl.h (only_sets_cc0_p): New prototype.
6585 * jump.c (sets_cc0_p): Handle INSN.
6586 (only_sets_cc0_p): New function.
6587 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
6588 (tidy_fallthru_edge): Likewise.
6589 * integrate.c (copy_insn_list): Likewise.
6590 * unroll.c (unroll_loop): Likewise.
6591 (copy_loop_body): Likewise.
6593 2001-08-15 Jason Eckhardt <jle@redhat.com>
6595 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
6597 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
6599 * predict.c (struct block_info_def): Remove nvisited.
6600 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
6601 (estimate_bb_frequencies): Call mark_dfs_back_edges.
6603 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
6604 (ix86_adjust_cost): Teach scheduler that latency to load operand can
6607 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
6609 * predict.def: Update hitrates.
6611 2001-08-15 Richard Henderson <rth@redhat.com>
6613 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
6615 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
6617 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
6618 note from its associated jump.
6620 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
6622 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
6623 also on 64-bit s390x targets.
6625 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
6627 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
6629 (arm_expand_prologue): Handled nested functions which take a
6630 variable argument list.
6631 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
6632 macro with an invocation of
6633 arm_compute_initial_elimination_offset.
6634 * config/arm/arm-protos.h: Prototype
6635 arm_compute_initial_elimination_offset.
6637 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6639 * doc/install.texi (Specific, avr): Fix markup.
6640 (Specific, c4x): Ditto.
6642 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
6644 * predict.c (dump_prediction): Change `bool' parameter to `int'.
6646 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
6648 * Makefile.in (OBJS): Add rtl-error.o
6649 (rtl-error.o): New rule.
6650 (diagnostic.o): Adjust dependency.
6651 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
6652 error_for_asm, _fatal_insn, _fatal_insn_not_found,
6653 warning_for_asm): Move to...
6654 rtl-error.c: ...here. New file.
6656 2001-08-14 Richard Henderson <rth@redhat.com>
6658 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
6659 if USING_SJLJ_EXCEPTIONS.
6661 2001-08-14 Steve Ellcey <sje@cup.hp.com>
6663 * tlink.c (scan_linker_output): Check string for unsatisfied in
6664 addition to undefined and unresolved.
6666 2001-08-14 Graham Stott <grahams@redhat.com>
6668 * libgcc2.c (*): Replace EH_FRAME_SECTION with
6669 EH_FRAME_SECTION_NAME.
6671 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
6673 * genattrtab.c (simplify_test_exp_in_temp): New function.
6674 (simplify_test_exp): Avoid explicit use of temporary obstack.
6675 (simplify_cond, insert_right_side, evaluate_eq_attr,
6676 simplify_and_tree, simplify_or_tree, eliminate_known_true):
6677 Use simplify_test_exp_in_temp.
6678 (optimize_attrs): Iterate until expression stabilizes.
6680 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
6682 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
6683 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
6685 2001-08-13 Richard Henderson <rth@redhat.com>
6687 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
6688 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
6689 * config/arm/conix-elf.h: Likewise.
6691 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
6693 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
6695 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
6697 * gcse.c (hash_scan_set): Expressions that are set as part of
6698 jump instructions are not available.
6700 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
6702 * config/s390/s390.c (print_operand, s390_function_prologue,
6703 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
6705 2001-08-13 Richard Henderson <rth@redhat.com>
6707 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
6708 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
6709 * doc/tm.texi (Exception Region Output): Document it.
6711 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
6713 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
6714 DWARF2 instead of stabs by default.
6716 2001-08-13 David Edelsohn <edelsohn@gnu.org>
6718 * config/rs6000/rs6000.c: Include optabs.h.
6720 2001-08-13 David Edelsohn <edelsohn@gnu.org>
6722 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
6723 save/restore routines.
6724 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
6726 2001-08-13 Andreas Jaeger <aj@suse.de>
6728 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
6729 the english is correct.
6731 2001-08-13 Zack Weinberg <zackw@panix.com>
6733 * expr.h: Split out optab- and libfunc-related code to...
6734 * optabs.h, libfuncs.h: ... these new headers.
6736 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
6738 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
6740 * mkconfig.sh: Don't include insn-codes.h from config.h.
6742 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
6743 enum insn_code is available. Move reload_in_optab and
6744 reload_out_optab array declarations to optabs.h.
6745 * regmove.c (gen_add3_insn): Move to optabs.c, export from
6746 there, prototype in expr.h.
6747 * gencodes.c: Cleanup: zap global variables, don't use
6748 printf where puts will do, don't bother defining MAX_INSN_CODE
6749 which nothing uses, let CODE_FOR_nothing get its value implicitly.
6751 * genemit.c, genopinit.c: Include optabs.h in generated file.
6752 * genoutput.c: Include insn-codes.h in generated file.
6753 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
6754 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
6755 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
6756 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
6757 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
6758 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
6760 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
6761 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
6762 config/m88k/m88k.c, config/sparc/sparc.c:
6764 * reload.c: Include expr.h and optabs.h before reload.h.
6765 * config/alpha/alpha.c: Include tree.h before reload.h.
6766 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
6767 and reload.h in that order.
6768 * config/sparc/sparc.c: Include debug.h.
6769 * recog.c: Include insn-codes.h.
6771 2001-08-13 Andreas Jaeger <aj@suse.de>
6773 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
6776 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6778 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
6779 * gcc.c (init_spec): Fix typo in comment.
6780 * varasm.c (data_section): Fix typo in comment.
6782 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
6784 * predict.c (dump_prediction): New argument "USED".
6785 (combine_predictions_for_insn): Determine the used heuristics,
6786 output the case no heuristic applied.
6787 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
6789 2001-08-13 Andreas Jaeger <aj@suse.de>
6791 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
6794 2001-08-13 Kazu Hirata <kazu@hxi.com>
6796 * jump.c: Fix formatting.
6798 2001-08-13 Kazu Hirata <kazu@hxi.com>
6800 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
6803 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
6805 * loop.c (check_dbra_loop): Use condjump_label to compute
6808 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
6809 to better document the files they're in.
6811 2001-08-12 Zack Weinberg <zackw@panix.com>
6813 * recog.h (struct insn_operand_data): Shrink 'mode' field
6816 2001-08-12 Kazu Hirata <kazu@hxi.com>
6818 * gcc.c: Fix comment formatting.
6819 * gccspec.c: Likewise.
6822 * genemit.c: Likewise.
6823 * gengenrtl.c: Likewise.
6824 * genrecog.c: Likewise.
6825 * gensupport.c: Likewise.
6826 * ggc-page.c: Likewise.
6827 * global.c: Likewise.
6828 * graph.c: Likewise.
6829 * ifcvt.c: Likewise.
6830 * integrate.c: Likewise.
6832 * libgcc2.c: Likewise.
6834 * mbchar.c: Likewise.
6835 * optabs.c: Likewise.
6836 * predict.c: Likewise.
6837 * prefix.c: Likewise.
6838 * profile.c: Likewise.
6839 * protoize.c: Likewise.
6841 * recog.c: Likewise.
6842 * regclass.c: Likewise.
6843 * regmove.c: Likewise.
6844 * reg-stack.c: Likewise.
6845 * reload1.c: Likewise.
6846 * resource.c: Likewise.
6847 * rtlanal.c: Likewise.
6850 2001-08-12 Kazu Hirata <kazu@hxi.com>
6852 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
6853 a tree representing a constant is passed to the macro.
6855 2001-08-12 Richard Henderson <rth@redhat.com>
6857 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
6858 (rs6000_elf_asm_out_destructor): New.
6859 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
6860 (DTORS_SECTION_ASM_OP): Remove.
6861 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
6862 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
6864 2001-08-12 David Edelsohn <edelsohn@gnu.org>
6867 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6868 * gcc.c (set_collect_gcc_options): New function, split out from
6870 Ignore elided switches.
6871 (do_spec_1): Invoke before executing command.
6872 (set_input): Export.
6873 Move declaration ...
6874 * gcc.h (set_input): ... here.
6875 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
6878 2001-08-12 Richard Henderson <rth@redhat.com>
6880 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
6881 thinko wrt TARGET_RELOCATABLE.
6883 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
6885 * fix-header.c (cb_file_change): Update prototype.
6887 2001-08-11 Zack Weinberg <zackw@panix.com>
6889 * toplev.c (set_float_handler): Make static.
6890 * toplev.h: Don't prototype set_float_handler.
6892 * simplify-rtx.c: Don't include setjmp.h.
6893 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
6895 (simplify_unary_operation, simplify_binary_operation): Use them,
6896 via do_float_handler.
6898 * fold-const.c: Don't include setjmp.h.
6899 (exact_real_inverse_1): New function.
6900 (exact_real_inverse): Use it, via do_float_handler.
6902 * varasm.c: Don't include setjmp.h.
6903 (assemble_real_1): New function.
6904 (assemble_real): Use it, via do_float_handler.
6905 Call internal_error if we get a trap here.
6907 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
6908 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
6910 2001-08-11 Zack Weinberg <zackw@panix.com>
6912 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
6913 STACK_BOUNDARY if not already defined.
6915 * calls.c, function.c, reload1.c, explow.c: Don't default
6916 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
6917 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
6919 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
6922 * doc/tm.texi: Document that STACK_BOUNDARY is required;
6923 clarify difference between it and PREFERRED_STACK_BOUNDARY.
6925 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
6927 * cppmacro.c (enter_macro_context): Push macro expansions even
6930 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6932 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
6933 (rs6000_elf_section_type_flags): Actually return a value.
6935 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
6937 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
6938 Clean up code: add missing comments and prototypes, fix warnings,
6939 remove obsolete code, fix spacing to conform to coding style.
6941 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
6943 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
6944 and TARGET_ASM_CLOSE_PAREN.
6945 (regclass_map): CC register belongs to class NO_REGS.
6946 (legitimize_pic_address): Don't generate unnecessary moves
6947 (to avoid confusing loop optimization).
6948 (check_and_change_labels): Replace jump_long by indirect_jump.
6949 (s390_final_chunkify): Don't start a new literal pool on section
6950 switch in 64-bit code.
6951 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
6953 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
6954 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
6955 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
6957 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
6958 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
6959 (CONST_COSTS): Fixed incorrect costs.
6961 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
6962 Use emit_jump instead of emit_jump_insn (gen_jump).
6963 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
6964 (to avoid confusing flow analysis).
6965 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
6966 (casesi, casesi_jump): New.
6967 (jump_long): Removed. Functionality merged into indirect_jump.
6968 (indirect_jump): Accept address_operand, not just register_operand.
6969 (cjump_long, icjump_long): Use same logic as indirect_jump.
6970 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
6971 Fixed broken setjmp/longjmp handling.
6972 (do_builtin_setjmp_setup): Removed.
6974 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
6975 broken GNU as versions that don't accept .quad with large
6976 negative values. Use hexadecimal output instead.
6977 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
6978 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
6979 FUNCTION_EPILOGUE): Removed. Now in targetm.
6981 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
6983 * config/s390/fixdfdi.h: Add missing copyright statement.
6984 Fix type conflicts on 64-bit. Add missing SFmode routines.
6986 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
6989 2001-08-11 Richard Henderson <rth@redhat.com>
6991 * rtl.h (REG_EH_RETHROW): Remove.
6992 * rtl.c (reg_note_name): Update.
6993 * combine.c (distribute_notes): Don't check for it.
6995 2001-08-11 Richard Henderson <rth@redhat.com>
6997 * combine.c (distribute_notes): Place REG_SETJMP.
6999 2001-08-11 Richard Henderson <rth@redhat.com>
7001 * doc/extend.texi (Arrays and pointers implementation): Discourage
7002 relying on sign-extension of pointers.
7004 2001-08-11 H.J. Lu <hjl@gnu.org>
7006 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
7008 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
7009 RDATA_SECTION_ASM_OP.
7011 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7013 * doc/install.texi (Specific, c4x): Fix cross-reference to the
7014 main manual to work both for info and HTML versions.
7016 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
7017 Matt Kraai <kraai@alumni.carnegiemellon.edu>
7019 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
7020 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
7021 (struct cpp_pool): New member first.
7022 * cppinit.c (append_include_chain): Plug memory leaks.
7023 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
7024 Allocate pragma structures from the (aligned) macro pool to
7025 avoid leaking memory.
7026 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
7027 so we don't leak memory.
7028 * hashtable.c (ht_destroy): New.
7029 * hashtable.h (ht_destroy): New.
7031 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
7032 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7034 * c-lex.c (map): Make const.
7035 (cb_file_change): Update for callback passing a line map.
7036 Don't assume we have a previous map. Remove sanity check
7037 about popping too many files.
7038 * cpperror.c (print_location): Make map const.
7039 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
7040 (cpp_make_system_header): Similarly.
7041 (search_from): Similarly.
7042 (_cpp_execute_include): Don't remember where we came from.
7043 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
7044 (struct cpp_reader): Make map const.
7045 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
7046 * cpplib.c (do_line): Update; line maps now hold sysp.
7047 (cpp_push_buffer): Similarly.
7048 (_cpp_do_file_change): Similarly; callback with map instead.
7049 (cpp_get_line_maps): Constify return value.
7050 (_cpp_pop_buffer): Update.
7051 * cpplib.h (struct cpp_file_change): Remove.
7052 (struct cpp_callbacks): Update.
7053 (cpp_get_line_maps): Constify return value.
7054 * cppmacro.c (_cpp_create_definition): Update.
7055 * cppmain.c (struct printer): Constify map.
7056 (maybe_print_line): Similarly.
7057 (print_line): Similarly. Deduce flags 1 and 2 here.
7058 (cb_file_change): Update.
7059 * line-map.c (free_line_maps): Warn regardless.
7060 (add_line_map): Return pointer to const. When passed NULL to_file
7061 with LC_LEAVE, use the obvious values for the return point so the
7062 caller doesn't have to figure them out.
7063 (lookup_line): Return pointer to const.
7064 (print_containing_files): Take pointer to const.
7065 * line-map.h (struct line_map): New members reason, sysp.
7066 (add_line_map): Return pointer to const.
7067 (lookup_line): Similarly.
7068 (print_containing_files): Take pointer to const.
7070 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
7071 Richard Henderson <rth@redhat.com>
7073 * regmove.c (regmove_optimize): Avoid setting a register twice in
7076 2001-08-10 Richard Henderson <rth@redhat.com>
7078 * doc/extend.texi (Arrays and pointers implementation): Document
7079 behavior of pointer/integer conversion.
7081 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
7083 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
7085 2001-08-10 Richard Henderson <rth@redhat.com>
7087 * doc/extend.texi (C Implementation): New chapter.
7088 * doc/gcc.texi (Top): Link it in.
7090 2001-08-10 Andrew Cagney <ac131313@redhat.com>
7092 * doc/install.texi (Specific): Fix CVS merge botch.
7094 2001-08-10 Richard Henderson <rth@redhat.com>
7096 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
7097 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
7099 2001-08-10 Zack Weinberg <zackw@stanford.edu>
7101 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
7102 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
7103 this macro is now required.
7105 * cselib.c (cselib_process_insn), flow.c (propagate_block),
7106 loop.c (find_and_verify_loops), reload.c (reload): Check
7107 for rtx code of CALL_INSN, not CALL, when deciding if we
7108 need to check for REG_SETJMP note.
7110 * gcse.c (compute_hash_table, compute_store_table): Update
7111 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
7114 * config/avr/avr.c: Fix typo.
7115 * config/convex/convex.c (expand_movstr): Use adjust_address.
7116 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
7118 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
7119 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
7121 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
7122 Do define STACK_BOUNDARY.
7123 * config/i370/i370.c: Include expr.h.
7124 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
7125 config/pa/som.h, config/v850/v850.h: Take in_ctors and
7126 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
7127 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
7128 * config/m88k/m88k.c: Include c-tree.h after expr.h.
7129 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
7130 * config/romp/romp.c: Include expr.h after tree.h.
7132 (output_fpop): Use xmalloc, not oballoc.
7133 * config/we32k/we32k.c: Include expr.h.
7135 2001-08-10 Kazu Hirata <kazu@hxi.com>
7137 * config/h8300/h8300.h: Fix formatting.
7139 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
7141 * c-common.h (RETURN_NULLIFIED_P): Lose.
7142 * c-semantics.c (genrtl_return_stmt): Don't check it.
7144 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
7146 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
7147 (mips_annotate_frame_insn): New function.
7148 (mips_emit_frame_related_store): New function.
7149 (save_restore_insns): Don't mark instructions that set up the base
7150 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
7151 the store instructions instead.
7152 (mips_expand_prologue): If the stack size is moved into a temporary
7153 register, do not mark that move as frame-related. Add a
7154 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
7156 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
7158 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
7159 stack slot as unchanging if current_function_calls_eh_return.
7161 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
7163 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
7164 access the second half of the TFmode scratch operand.
7166 2001-08-10 Anthony Green <green@redhat.com>
7168 * java/class.c (emit_register_classes): Conditionalize code on
7171 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7173 * doc/install.texi (Specific, avr): Fix cross-reference to the
7174 main manual to work both for info and HTML versions.
7176 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7178 * stmt.c (expand_null_return_1): Remove code to generate simple returns
7179 and "use_goto" argument.
7180 (expand_null_return, expand_value_return): Update all callers.
7181 * function.c (expand_function_end): Remove code to generate simple
7183 * config/vax/vax.md (epilogue): New expander for function return.
7184 * doc/md.texi (epilogue): Remove "if defined".
7186 2001-08-09 Zack Weinberg <zackw@stanford.edu>
7188 * Makefile.in: Partially revert my previous change:
7189 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
7190 of the hashtab.o and safe-ctype.o rules.
7192 2001-08-09 Richard Henderson <rth@redhat.com>
7194 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
7195 (USE_COLLECT2): Remove duplicate definition.
7196 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
7197 (use_collect2): Remove dead code.
7198 * configure.in (use_collect2): Remove will_use_collect2 and
7199 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
7200 * configure: Rebuild.
7202 * target.h (targetm.asm_out.constructor): New.
7203 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
7204 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
7205 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
7206 * varasm.c (in_ctors, in_dtors): New.
7207 (assemble_constructor, assemble_destructor): Remove.
7208 (default_stabs_asm_out_destructor): New.
7209 (default_named_section_asm_out_destructor): New.
7210 (dtors_section, default_dtor_section_asm_out_destructor): New.
7211 (default_stabs_asm_out_constructor): New.
7212 (default_named_section_asm_out_constructor): New.
7213 (ctors_section, default_ctor_section_asm_out_constructor): New.
7214 * output.h: Update declarations.
7215 * c-decl.c (c_expand_body): Use target hooks instead of
7216 assemble_constructor and assemble_destructor.
7217 * profile.c (output_func_start_profiler): Likewise.
7218 * objc/objc-act.c (finish_objc): Likewise.
7219 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
7220 for the constructor.
7221 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
7223 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
7224 (DTORS_SECTION_ASM_OP): Likewise.
7225 (__CTOR_LIST__): Use attribute section when possible.
7226 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
7228 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
7229 ASM_OUTPUT_CONSTRUCTOR.
7231 * config/darwin.c (machopic_asm_out_constructor): New.
7232 (machopic_asm_out_destructor): New.
7233 * config/darwin-protos.h: Update declarations.
7234 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
7235 (ASM_OUTPUT_DESTRUCTOR): Remove.
7236 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
7237 * config/nextstep.c (nextstep_asm_out_constructor): New.
7238 (nextstep_asm_out_destructor): New.
7239 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
7240 (ASM_OUTPUT_DESTRUCTOR): Remove.
7241 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
7242 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
7243 ASM_OUTPUT_*STRUCTOR.
7244 * config/i386/aix386ng.h: Likewise.
7246 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
7247 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
7248 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
7249 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
7250 * config/lynx.h: Likewise.
7251 * config/netware.h: Likewise.
7252 * config/psos.h: Likewise.
7253 * config/alpha/alpha-interix.h: Likewise.
7254 * config/alpha/elf.h: Likewise.
7255 * config/arc/arc.h: Likewise.
7256 * config/arm/aof.h: Likewise.
7257 * config/arm/coff.h: Likewise.
7258 * config/arm/elf.h: Likewise.
7259 * config/c4x/c4x.h: Likewise.
7260 * config/h8300/h8300.h: Likewise.
7261 * config/i386/cygwin.h: Likewise.
7262 * config/i386/djgpp.h: Likewise.
7263 * config/i386/i386-coff.h: Likewise.
7264 * config/i386/i386-interix.h: Likewise.
7265 * config/i386/sco5.h: Likewise.
7266 * config/i386/vsta.h: Likewise.
7267 * config/i386/win32.h: Likewise.
7268 * config/i960/i960-coff.h: Likewise.
7269 * config/ia64/sysv4.h: Likewise.
7270 * config/m68hc11/m68hc11.h: Likewise.
7271 * config/m68k/coff.h: Likewise.
7272 * config/m68k/mot3300.h: Likewise.
7273 * config/m88k/m88k.h: Likewise.
7274 * config/mcore/mcore-pe.h: Likewise.
7275 * config/mcore/mcore.h: Likewise.
7276 * config/mips/elf.h: Likewise.
7277 * config/mips/elf64.h: Likewise.
7278 * config/mips/iris6.h: Likewise.
7279 * config/pa/pa64-hpux.h: Likewise.
7280 * config/rs6000/sysv4.h: Likewise.
7281 * config/sh/sh.h: Likewise.
7282 * config/sparc/litecoff.h: Likewise.
7284 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
7285 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
7286 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
7287 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
7288 (ASM_OUTPUT_DESTRUCTOR): Remove.
7289 * config/a29k/a29k.c: Move include of tree.h.
7290 * config/a29k/udi.h: Delete file.
7291 * config/alpha/alpha.c (vms_asm_out_constructor): New.
7292 (vms_asm_out_destructor): New.
7293 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
7294 (EXTRA_SECTION_FUNCTIONS): Likewise.
7295 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
7296 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
7297 * config/c4x/c4x.c: Move include of tree.h.
7298 * config/clipper/clipper.c (clix_asm_out_constructor): New.
7299 (clix_asm_out_destructor): New.
7300 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
7301 (ASM_OUTPUT_DESTRUCTOR): Remove.
7302 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
7303 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
7304 (TARGET_ASM_CONSTRUCTOR): New.
7305 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
7306 (sco_asm_out_constructor): New.
7307 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
7308 * config/i386/svr3gas.h: Remove stack grows up code.
7309 Remove code duplicated from i386/sysv3.h.
7310 (TARGET_ASM_CONSTRUCTOR): New.
7311 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
7312 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
7313 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
7314 (TARGET_ASM_CONSTRUCTOR): New.
7315 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
7316 (m68hc11_asm_out_destructor): New.
7317 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
7318 (TARGET_ASM_DESTRUCTOR): New.
7319 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
7320 * config/m68k/dpx2.h: Properly undef all the bits inherited from
7321 config/svr3.h pertaining to section manipulation.
7322 * config/m68k/dpx2g.h: Remove #if 0 code.
7323 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
7324 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
7325 (ASM_OUTPUT_CONSTRUCTOR): Remove.
7326 (TARGET_ASM_CONSTRUCTOR): New.
7327 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
7328 (m88k_svr3_asm_out_constructor): New.
7329 (m88k_svr3_asm_out_destructor): New.
7330 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
7331 (ASM_OUTPUT_DESTRUCTOR): Remove.
7332 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
7333 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
7334 * config/rs6000/aix.h: Likewise.
7335 * config/mips/rtems64.h: Don't undef removed constructor related bits.
7336 * config/mips/vxworks.h: Likewise.
7337 * config/rs6000/lynx.h: Likewise.
7338 * config/sh/elf.h: Likewise.
7339 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
7340 (DTORS_SECTION_ASM_OP): New.
7341 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
7342 (ASM_OUTPUT_DESTRUCTOR): Remove.
7343 * config/sparc/sol2-sld-64.h: Likewise.
7344 * config/vax/vax.c (vms_asm_out_constructor): New.
7345 (vms_asm_out_destructor): New.
7346 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
7347 (ASM_OUTPUT_DESTRUCTOR): Remove.
7348 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
7350 * doc/tm.texi (@node Initialization): Update.
7352 2001-08-09 Richard Henderson <rth@redhat.com>
7354 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
7355 (__do_global_dtors_aux): Use gp-relative static data to avoid
7356 one dynamic relocation.
7357 (__do_frame_setup): Register Java classes.
7358 * config/alpha/crtend.asm (__JCR_END__): New.
7360 2001-08-09 Zack Weinberg <zackw@stanford.edu>
7362 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
7363 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
7364 (GEN, STAGESTUFF): Add new files.
7365 (insn-constants.h, s-constants, tm-preds.h, s-preds,
7366 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
7367 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
7368 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
7369 as well as insn-codes.h and insn-flags.h in config.h; and no
7370 extra headers in tconfig.h and hconfig.h.
7372 * gencodes.c: Eliminate code to generate predicate declarations
7373 or #defines for md-file constants.
7374 * genconstants.c, genpreds.c: New files.
7376 * i386.md: Re-order guard expressions such that TARGET_64BIT
7377 comes first, when this permits better optimization. Add
7378 TARGET_64BIT to more x86-64 patterns. Add comment explaining
7379 why this is desirable.
7381 2001-08-09 Jakub Jelinek <jakub@redhat.com>
7383 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
7384 (find_fde_for_dso): Remove.
7385 (_Unwind_IteratePhdrCallback): New.
7386 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
7387 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
7389 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7391 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
7392 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
7394 2001-08-09 Graham Stott <grahams@redhat.com>
7396 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
7397 (vis_no_unit): Use it.
7398 (visualize_no_unit): Add the insn only if room exists.
7400 2001-08-09 Graham Stott <grahams@redhat.com>
7402 * predict.c (estimate_probability): Replace magic numbers with
7403 appropriate enumeration.
7405 2001-08-09 Graham Stott <grahams@redhat.com>
7407 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
7409 (EXTRACT_FLAGS): Likewise.
7411 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
7413 * config/mips/mips.c (mips_legitimate_address_p): Check for
7414 CONST_INT in last patch.
7416 2001-08-08 Anthony Green <green@redhat.com>
7418 * java/class.c (emit_register_classes): Use assemble_jcr if
7419 possible. Keep the original mechanism as a fallback.
7420 * defaults.h (JCR_SECTION_NAME): Define if we have named section
7421 and weak symbol support.
7422 * crtstuff.c (__JCR_LIST__): Define.
7423 (__JCR_END__): Define.
7424 (_Jv_RegiserClasses): Define weak symbol if possible.
7425 (__do_global_ctors_aux): Register classes for ELF targets with
7426 weak symbol support.
7428 2001-08-08 Kazu Hirata <kazu@hxi.com>
7430 * dbxout.c: Fix comment formatting.
7431 * dependence.c: Likewise.
7433 * diagnostic.c: Likewise.
7434 * dominance.c: Likewise.
7435 * doprint.c: Likewise.
7436 * dwarf2out.c: Likewise.
7437 * dwarfout.c: Likewise.
7438 * emit-rtl.c: Likewise.
7439 * except.c: Likewise.
7440 * explow.c: Likewise.
7441 * expmed.c: Likewise.
7444 * fold-const.c: Likewise.
7445 * function.c: Likewise.
7447 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7449 * global.c (retry_global_alloc): Avoid shadowing allocno.
7451 2001-08-08 Mark Mitchell <mark@codesourcery.com>
7453 * except.c (remove_fixup_regions): Fix typo.
7455 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
7457 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
7458 unsigned HOST_WIDE_INT to avoid warning.
7459 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
7460 * flow.c (set_block_for_new_insns): Likewise.
7462 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
7464 * sibcall.c (return_value_pseudo): New static variable.
7465 (skip_copy_to_return_value): Handle return_value_pseudo.
7466 (call_ends_block_p): Ensure that return_value_pseudo is set.
7467 (optimize_sibling_and_tail_recursive_call): Discover the
7468 load of pseudo return value in alternate exit block.
7470 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
7472 * calls.c (ECF_ALWAYS_RETURN): New constant.
7473 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
7474 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
7475 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
7476 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
7477 * rtl.c (reg_note_name): New name.
7478 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
7480 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
7482 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
7484 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
7486 * alias.c (get_alias_set): Return a previously calculated
7487 alias set for a VAR_DECL.
7488 * function.c (gen_mem_addressof): Calculate the alias set before
7491 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
7493 * predict.def: Set hitrates according our experimental run.
7495 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
7497 * i386.h (HARD_REGNO_RENAME_OK): New macro.
7499 2001-08-08 H.J. Lu <hjl@gnu.org>
7501 * config/mips/mips.c (mips_unique_section): New. Copied from
7504 * config/mips/mips-protos.h (mips_unique_section): New
7507 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
7509 * config/mips/little.h: New. Generic little endian mips
7510 targets. Only mips*-*-linux* is converted to use it so far.
7512 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
7513 (WCHAR_TYPE): Defined
7514 (WCHAR_TYPE_SIZE): Likewise.
7515 (INIT_SUBTARGET_OPTABS): Likewise.
7516 (BSS_SECTION_ASM_OP): Likewise.
7517 (SBSS_SECTION_ASM_OP): Likewise.
7518 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
7519 (ASM_DECLARE_OBJECT_NAME): Likewise.
7520 (UNIQUE_SECTION): Likewise.
7521 (EXTRA_SECTIONS): Likewise.
7522 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
7523 (ASM_OUTPUT_DESTRUCTOR): Likewise.
7524 (ASM_OUTPUT_DEF): Likewise.
7525 (HANDLE_SYSV_PRAGMA): Removed.
7526 (NO_IMPLICIT_EXTERN_C): Likewise.
7527 (TARGET_MEM_FUNCTIONS): Likewise.
7528 (STARTFILE_SPEC): Likewise.
7529 (ENDFILE_SPEC): Likewise.
7530 (LIB_SPEC): Likewise.
7531 (INVOKE__main): Likewise.
7532 (CTOR_LIST_BEGIN): Likewise.
7533 (CTOR_LIST_END): Likewise.
7534 (DTOR_LIST_BEGIN): Likewise.
7535 (DTOR_LIST_END): Likewise.
7536 (SET_ASM_OP): Likewise.
7537 (ASM_OUTPUT_SOURCE_LINE): Likewise.
7538 (ASM_OUTPUT_DEF): Likewise.
7539 (ASM_OUTPUT_IDENT): Likewise.
7541 * config/mips/mips.h (ASM_SPEC): Undefine before define.
7542 (CPLUSPLUS_CPP_SPEC): Likewise.
7543 (ASM_APP_ON) Redefine only if not defined.
7544 (ASM_APP_OFF): Likewise.
7545 (ASM_OUTPUT_SOURCE_LINE): Likewise.
7546 (ASM_OUTPUT_IDENT): Likewise.
7548 * config.gcc: Update tm_file for Linux/mips.
7550 2001-08-08 Bernd Schmidt <bernds@redhat.com>
7552 * cselib.c (cselib_record_sets): If insn is predicated, turn
7553 sources into IF_THEN_ELSEs.
7555 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
7556 Turn into define_insn_and_split.
7558 * sched-deps.c: Include "cselib.h".
7559 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
7560 Use cselib to turn memory addresses into VALUEs.
7561 (sched_analyze): Call cselib_init/cselib_finish if necessary.
7562 * sched-int.h (struct sched_info): New member USE_CSELIB.
7563 * sched-ebb.c (ebb_sched_info): Initialize it.
7564 * sched-rgn.c (rgn_sched_info): Likewise.
7565 * Makefile.in (sched-deps.o): Update dependencies.
7567 * cselib.h (cselib_subst_to_values): Declare.
7568 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
7569 that have no value and autoincs to be handled by generating a new
7572 2001-08-08 Graham Stott <grahams@redhat.com>
7574 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
7575 within fixed length SEQUENCE.
7577 2001-08-08 Graham Stott <grahams@redhat.com>
7579 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
7580 (diagnostic_prefixing_rule): Likewise.
7581 (diagnostic_line_cutoff): Likewise.
7582 (diagnostic_kind_count): Likewise.
7584 2001-08-08 Graham Stott <grahams@redhat.com>
7586 * alias.c (find_base_decl): Delete redundent assignment.
7588 2001-08-08 Graham Stott <grahams@redhat.com>
7590 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
7591 (abs): Uppercase and paranthesize macro parameter.
7592 (MEM_DEPENDENCY): Add whitespace.
7594 2001-08-08 Graham Stott <grahams@redhat.com>
7596 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
7597 failure check for CONST_INT
7599 2001-08-08 Graham Stott <grahams@redhat.com>
7601 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
7602 (libcall_dead_p): Likewise.
7604 (mark_used_regs): Constify fmt.
7605 (find_use_as_address): Likewise.
7607 2001-08-08 Graham Stott <grahams@redhat.com>
7609 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
7612 2001-08-08 Graham Stott <grahams@redhat.com>
7614 * combine.c (combine_simplify_rtx): Update comment and
7615 remove erroneous test.
7617 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
7619 * cppinit.c (cpp_finish): Pop the final buffer without comment.
7620 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
7621 take care to avoid multiple no-newline at EOF warnings in that
7624 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
7626 * calls.c (expand_call): Do not emit INSN_SETJMP note.
7627 (emit_library_call_value_1): Likewise.
7628 (emit_call_1): Emit REG_SETJMP note.
7629 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
7631 * cselib.c (cselib_process_insn): Likewise.
7632 * flow.c (propagate_block): Likewise.
7633 * loop.c (find_and_verify_loops): Likewise.
7634 * reload.c (find_equiv_regs): Likewise.
7635 * reload1.c (reload): Likewise.
7636 * resource.c (mark_referenced_resources,
7637 mark_set_resources): Likewise.
7638 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
7639 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
7640 * haifa-sched.c (unlink_other_notes): Likewise.
7641 (reemit_notes): Likewise.
7642 * sched-ebb.c (sched_ebb): Likewise.
7643 * sched-rgc.c (sched_region): Likewise.
7644 * rtl.c (note_insn_name): Likewise.
7645 (reg_note_name): Add REG_SETJMP
7646 * rtl.h (reg_note): Add REG_SETJMP.
7647 (insn_note): Remove NOTE_INSN_SETJMP.
7649 * profile.c (branch_prob): Add fake edges for setjmp.
7651 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
7653 * config.gcc: Quote target_cpu_default2 correctly for
7654 powerpc*-*-* targets.
7656 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
7658 * cpplib.h, line-map.h: Update comments.
7659 * cppmain.c (printer_init): Move inline.
7660 (maybe_print_line, print_line): Take a map pointer.
7661 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
7662 (cb_file_change): Don't use prior value of print.map.
7664 2001-08-07 David Edelsohn <edelsohn@gnu.org>
7666 * doc/install.texi: Document fine-grained multilib configuration.
7668 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7670 * rtlanal.c (find_first_parameter_load): Call note_stores
7671 only on the instructions.
7673 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7675 * alias.c (nonlocal_mentioned_p):
7676 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
7677 * calls.c (emit_call_1): Likewise.
7678 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
7679 * cselib.c (cselib_process_insn): Likewise.
7680 * df.c (df_insns_modify): Likewise.
7681 * flow.c (need_fake_edge_p): Likewise.
7682 (propagate_one_insn): Likewise.
7683 * haifa-sched.c (reemit_notes): Likewise.
7684 * integrate.c (copy_insn_list): Likewise.
7685 * jump.c (delete_prior_computation): Likewise.
7686 * local-alloc.c (validate_equiv_mem): Likewise.
7687 * loop.c (scan_loop): Likewise.
7688 * predict.c (estimate_probability): Likewise.
7689 * reload.c (reload): Likewise.
7690 * sched-deps (sched_analyze): Likewise.
7691 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
7692 * gcse.c (compute_hash_table): Likewise.
7693 (mark_call): Likewise.
7694 (store_killed_in_insn): Likewise.
7696 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
7698 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
7700 2001-08-06 Richard Henderson <rth@redhat.com>
7702 * varasm.c (assemble_gc_entry): Remove.
7703 * output.h: Likewise.
7705 2001-08-06 Richard Henderson <rth@redhat.com>
7707 * varasm.c (assemble_constructor): Take a symbol_ref and a
7708 priority instead of a bare string. Move priority handling
7709 here from cp/decl2.c.
7710 * output.h: Update decls.
7712 * c-decl.c (c_expand_body): Update calls to assemble_constructor
7713 and assemble_destructor.
7714 * profile.c (output_func_start_profiler): Likewise.
7715 * objc/objc-act.c (finish_objc): Likewise.
7716 (build_module_descriptor): Return the symbol not the symbol name.
7718 2001-08-06 David Edelsohn <edelsohn@gnu.org>
7720 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
7721 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
7722 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
7723 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
7724 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
7725 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
7727 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
7729 * cpperror.c (print_containing_files): Moved to line-map.c.
7730 (print_location): line-map.c handles re-listing or otherwise.
7731 * cpphash.h (struct lexer_state): Remove next_bol.
7732 (struct cpp_buffer): Remove include_stack_listed.
7733 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
7734 Remove faked buffer handling.
7735 (_cpp_do_file_change): Tweak.
7736 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
7737 * cppmain.c (struct printer): Remove filename.
7738 (print_line, cb_file_change): Update accordingly.
7739 * line-map.c: Include intl.h.
7740 (init_line_maps): Initialize last_listed.
7741 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
7742 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
7743 (print_containing_files): New.
7744 * line-map.h (struct line_maps): New member last_listed.
7745 (print_containing_files, INCLUDED_FROM): New.
7746 * Makefile.in: Update.
7747 * po/POTFILES.in: Add line-map.c.
7749 2001-08-06 Richard Henderson <rth@redhat.com>
7751 * except.c (convert_from_eh_region_ranges_1): Never mark
7752 USE or CLOBBER insns as throwing.
7754 * expr.c (store_constructor): Don't clobber memory targets.
7756 2001-08-06 Andreas Jaeger <aj@suse.de>
7758 * profile.c (branch_prob): Remove unused variable insn.
7760 * Makefile.in (local-alloc.o): Add dependency on except.h.
7762 * local-alloc.c: Include except.h for can_throw_internal prototype.
7764 2001-08-06 Richard Henderson <rth@redhat.com>
7766 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7767 * function.c (expand_main_function): Implement it.
7768 * doc/tm.texi: Document it.
7770 2001-08-06 Stan Shebs <shebs@apple.com>
7772 * doc/install.texi: Document powerpc-*-darwin* details.
7774 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
7776 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
7777 (ASM_CPU_SPEC): Move back to rs6000.h
7778 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
7780 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
7782 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
7785 * config/rs6000/linux64.h: Ditto.
7787 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
7788 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
7791 Remove accidently readded definitions of FUNCTION_PROLOGUE,
7792 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
7794 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
7797 2001-08-05 Richard Henderson <rth@redhat.com>
7799 * local-alloc.c (update_equiv_regs): Do not move insns that
7802 2001-08-05 Jan Hubicka <jh@suse.cz>
7804 * Makefile.in (reload1.o): Add dedendancy on except.h
7805 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
7807 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
7808 indicating wehther edges has been cleaned up.
7809 * reload1.c: Inlucde except.h
7810 (fixup_abnormal_edges): Accept deleted insns.
7811 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
7814 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
7816 * cpplib.c (do_line): Correct line number after pop_buffer.
7818 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
7820 PR preprocessor/3824
7821 * line-map.c: Update comments.
7822 * line-map.h: Update comments.
7823 * tradcif.y: Don't consider large numbers unsigned.
7825 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
7827 PR preprocessor/3081
7828 * c-lex.c (map): New.
7829 (cb_file_change): Update map and use it.
7830 (cb_def_pragma, cb_define, cb_undef): Use map and line.
7831 (c_lex): Update to use map.
7832 * cpperror.c (print_location): Move to using logical line numbers.
7833 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
7834 (cpp_make_system_header): Similarly.
7835 (_cpp_execute_include): Stop line numbering hacks. Store the
7836 line we will return to.
7837 * cpphash.h (CPP_BUF_LINE): Remove.
7838 (struct cpp_buffer): Remove lineno and pseudo_newlines.
7839 Add map and return_to_line.
7840 (_cpp_do_file_change): Update.
7841 * cppinit.c (cpp_start_read): Update line kludge.
7842 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
7843 (trigraph_ok): Use logical line numbers for diagnostics.
7844 (skip_block_comment): Likewise.
7845 (skip_whitespace): Likewise.
7846 (skip_line_comment): Use pfile->line instead.
7847 (_cpp_lex_token): Update to use logical line numbering exclusively.
7848 Handle BOL locally. Accept new lines in directives, but keep
7849 pfile->line decremented. Diagnostics use logical lines. Update
7851 * cpplib.c (SEEN_EOL): New.
7852 (skip_rest_of_line, check_eol): Use it.
7853 (end_directive): Increase line number when accepting the newline
7854 at the end of a directive.
7855 (run_directive): Simplify.
7856 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
7857 (_cpp_do_file_change): Update to take buffer line number as an
7858 argument, and store the current map in the cpp_reader. Remove
7859 line number kludges.
7860 (_cpp_do__Pragma): Restore output position after a _Pragma.
7861 (cpp_push_buffer): Don't set output line or lineno.
7862 (_cpp_pop_buffer): Transfer more info from a faked buffer.
7863 Remove line kludge. Set output_line.
7864 * cppmacro.c (builtin_macro): Update handling of __LINE__.
7865 (parse_arg): Use logical lines.
7866 (save_lookahead_token): Save EOFs too now.
7867 * cppmain.c (struct printer): Fix comments.
7868 (printer_init): Simplify, let caller do errors.
7869 (scan_translation_unit, check_multiline_token, dump_macro): Update.
7870 (maybe_print_line): Simplify.
7871 (print_line): Don't print a linemarker if -P.
7872 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
7873 (cb_file_change): Simplify.
7874 * line-map.h (LAST_SOURCE_LINE): Fix.
7875 (CURRENT_LINE_MAP): New.
7877 2001-08-05 Bernd Schmidt <bernds@redhat.com>
7879 * doloop.c (doloop_modify_runtime): Properly compute number of
7880 iterations if loop was unrolled.
7882 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
7883 if their CSELIB_VAL_PTRs are.
7885 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
7886 (setup_spill_pointers): Initialize it.
7887 (spill_restore_mem): Set it.
7888 (do_spill, do_restore): Use it to add REG_INC note.
7889 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
7891 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
7892 asms if other insns are available.
7894 * config/ia64/ia64.c (condop_operator): New predicate.
7895 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
7896 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
7899 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
7900 temporary register than directly using a MEM.
7902 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
7904 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
7905 parameter in last change.
7907 2001-08-04 Zack Weinberg <zackw@panix.com>
7909 * sparc.md: Don't use #if inside C test expression.
7911 2001-08-04 Richard Henderson <rth@redhat.com>
7913 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
7915 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
7917 * cpphash.h (struct cpp_reader): New member directive_line.
7918 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
7919 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
7920 do_pragma): Pass line to callbacks.
7921 (start_directive): Record line of directive.
7922 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
7923 cb_include): Similarly.
7924 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
7927 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
7929 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
7932 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
7934 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
7936 * reload1.c (fixup_abnormal_edges): New static function.
7939 * flow.c (need_fake_edge_p): New function.
7940 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
7941 avoid call insn to be very last insn in the insn stream.
7943 * profile.c (branch_prob): Call flow_call_edges_add instead of
7944 doing that by hand; cleanup cfg to re-merge basic blocks once
7947 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
7949 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
7950 are also on line-map.h.
7951 * cppfiles.c (stack_include_file): Update.
7952 * cpphash.h (struct cpp_buffer): New member return_at_eof.
7953 (_cpp_pop_buffer): New.
7954 * cppinit.c (cpp_destroy, cpp_finish): Update.
7955 (do_includes): Mark each buffer to return at EOF.
7956 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
7957 return as requested.
7958 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
7959 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
7960 * cpplib.h (cpp_pop_buffer): Remove.
7961 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
7962 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
7964 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
7966 (do_preprocessing): Update.
7967 * fix-header.c (read_scan_file): Update. No need to pop buffers.
7968 * c-parse.in (_yylex): Similarly.
7969 * scan-decls.c (scan_decls): Similarly.
7970 * line-map.h: Update comments.
7972 * objc/Make-lang.in (objc-act.o): Update dependencies.
7974 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7976 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
7977 and soft register for operand 0.
7978 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
7980 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7982 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
7983 register for operand 0.
7984 ("bitcmpqi_z_used"): Allow memory for operand 0.
7985 (split "bitcmpqi"): New split to handle address reg as operand 1.
7987 2001-08-04 Andreas Jaeger <aj@suse.de>
7989 * gcse.c: Revert Daniel's last patch.
7991 2001-08-03 Zack Weinberg <zackw@stanford.edu>
7993 * sparc-protos.h: Add prototypes for fp_zero_operand and
7995 * sh-protos.h: Add prototype for fpul_operand.
7997 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
7999 * doc/extend.texi (Other Builtins): Fix typo in last change.
8001 2001-08-03 Richard Henderson <rth@redhat.com>
8003 * target.h (gcc_target): Add asm_out.named_section,
8004 section_type_flags, have_named_sections.
8005 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
8006 (TARGET_HAVE_NAMED_SECTIONS): New.
8007 (TARGET_SECTION_TYPE_FLAGS): New.
8009 * Makefile.in (toplev.o): Depend on TARGET_H.
8010 (varasm.o, dbxout.o): Likewise.
8011 * c-common.c (decl_attributes): Check targetm.have_named_sections
8012 instead of ifdef ASM_OUTPUT_SECTION_NAME.
8013 * dbxout.c (dbxout_function_decl): Likewise.
8014 (dbxout_function_end): Likewise.
8015 * toplev.c (compile_file): Likewise.
8016 * varasm.c (exception_section): Likewise.
8017 * cp/decl2.c (finish_objects): Likewise.
8019 * defaults.h (EH_FRAME_SECTION): Remove.
8020 (EH_FRAME_SECTION_ASM_OP): Remove.
8021 (EH_FRAME_SECTION_NAME): New.
8022 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
8023 (UNIQUE_SECTION_P): Remove.
8024 * dwarf2out.c (SECTION_FORMAT): Remove.
8025 (ASM_OUTPUT_SECTION): Remove.
8026 (output_call_frame_info): Use named_section_flags.
8027 (output_comp_unit, dwarf2out_start_source_file): Likewise.
8028 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
8029 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
8030 * varasm.c (in_eh_frame, eh_frame_section): Remove.
8031 (named_section_flags): New.
8032 (named_section): Use it and targetm.section_type_flags.
8033 (resolve_unique_section): New.
8034 (assemble_start_function): Use it.
8035 (asm_emit_uninitialised, assemble_variable): Likewise.
8036 (default_section_type_flags): New.
8037 (default_no_named_section, default_elf_asm_named_section): New.
8038 (default_coff_asm_named_section, default_pe_asm_named_section): New.
8039 * output.h: Update varasm.c decls.
8040 (SECTION_*): New flags.
8042 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
8043 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
8045 * config/elfos.h (UNIQUE_SECTION_P): Remove.
8046 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
8047 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
8048 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
8049 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
8050 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
8051 * config/mips/elf.h, config/mips/elf64.h: Likewise.
8052 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
8053 * config/pa/pa64-hpux.h,
8055 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
8056 (TARGET_ASM_NAMED_SECTION): New.
8057 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
8058 * config/alpha/vms.h, config/arm/coff.h: Likewise.
8059 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
8060 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
8061 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
8062 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
8063 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
8064 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
8065 * config/i386/sco5.h, config/i386/win32.h: Likewise.
8066 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
8067 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
8068 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
8069 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
8070 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
8071 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
8072 * config/sparc/sysv4.h: Likewise.
8074 * config/nextstep.h: Error until named sections implemented.
8076 * config/a29k/a29k.c (a29k_asm_named_section): New.
8077 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
8078 (vms_section_type_flags, vms_asm_named_section): New.
8079 * config/arm/arm.c (arm_elf_asm_named_section): New.
8080 * config/avr/avr.c (asm_output_section_name): Remove.
8081 * config/avr/avr-protos.h: Update.
8082 * config/c4x/c4x.c (c4x_asm_named_section): New.
8083 * config/h8300/h8300.c (h8300_asm_named_section): New.
8084 * config/i386/i386.c (sco_asm_named_section): New.
8085 * config/i386/winnt.c (SECTION_PE_SHARED): New.
8086 (i386_pe_section_type_flags): New.
8087 (i386_pe_asm_named_section): New.
8088 * config/i386/i386-protos.h: Update.
8089 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
8090 * config/mcore/mcore.c (mcore_asm_named_section): New.
8091 * config/mips/mips.c (iris6_asm_named_section): New.
8092 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
8093 instead of UNIQUE_SECTION_P.
8094 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
8095 (xcoff_asm_named_section): New.
8096 * config/sh/sh.c (sh_asm_named_section): New.
8097 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
8099 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
8100 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
8101 (EH_FRAME_SECTION_NAME): New.
8102 (EXCEPTION_SECTION): New.
8103 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
8104 (DEBUG_*_SECTION): Remove.
8105 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
8106 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
8107 (EH_FRAME_SECTION_ASM_OP): Remove.
8109 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
8110 (ASM_OUTPUT_SECTION_NAME): Remove.
8111 (TARGET_ASM_NAMED_SECTION): New.
8112 (TARGET_HAVE_NAMED_SECTIONS): New.
8113 (TARGET_SECTION_TYPE_FLAGS): New.
8114 (EH_FRAME_SECTION_ASM_OP): Remove.
8115 (EH_FRAME_SECTION_NAME): New.
8117 2001-08-03 Zack Weinberg <zackw@stanford.edu>
8119 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
8120 for complex expressions when cfun == 0.
8121 * doc/extend.texi: Document that __builtin_constant_p can be
8122 used in data initializers as well as functions.
8124 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
8126 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
8127 variable I locally, instead of expecting a declaration in the
8130 2001-08-03 Richard Henderson <rth@redhat.com>
8132 * except.c (collect_one_action_chain): Add an explicit cleanup
8133 action if regions surrounding a catch were encoded entirely
8134 within the call-site entry.
8136 2001-08-03 Richard Henderson <rth@redhat.com>
8138 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
8139 don't take REGNO of a non-register.
8141 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8143 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
8144 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
8145 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
8146 (__gthread_mutex_init_function): New function for mutex initialization.
8148 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
8150 * Makefile.in: Revert screwed up commit.
8152 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8154 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
8155 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
8156 merged by linker script to get a final _exit().
8157 (__do_global_dtors): New for destructor handling in specific exit
8159 (__do_global_ctors): New for constructors in specific install section.
8160 (__map_data_section): Map data sections before running constructors.
8161 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
8162 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
8163 (DTORS_SECTION_ASM_OP): Likewise.
8164 (CTORS_SECTION_FUNCTION): Define to force a reference to
8166 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
8168 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
8170 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
8172 * Makefile.in: Add df.h to gcse.c dependencies.
8174 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8176 * varasm.c (output_constant_def_contents): Use for the length of a
8177 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
8178 depending on which is larger.
8180 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
8182 * gcse.c: Include df.h for use as a dataflow analyzer.
8184 Declaration of reg_set_info: gone.
8185 New df_analyzer variable used by store motion.
8186 (reg_set_info): Deleted.
8187 (mark_mem_regs): New function, analyze regs used by a mem.
8188 (store_ops_ok): Use dataflow analyzer results to determine if
8189 necessary regs are changed in the block.
8190 (find_moveable_store): Remove check for symbol ref, we can handle
8191 much more complex expressions now.
8192 (compute_store_table): Remove most of the code, it's unnecessary
8193 now that the dataflow analyzer records the info for us.
8194 (store_killed_after): Add parameter to say whether to do the
8195 store_ops_okay test, used to speed up testing when we already know
8196 the answer, and just want to know if the store itself was killed.
8197 (build_store_vector): Largely rewritten to calculate the various
8198 vectors properly, and somewhat optimized.
8199 (store_motion): Init the df_analyzer, get REG_DEF chains.
8200 Also handle trapping expressions (since mems almost always trap)
8201 (simple_mem): Redefine what a simple mem is.
8203 2001-08-03 DJ Delorie <dj@redhat.com>
8205 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
8206 set from a constant part of the condition.
8208 2001-08-01 Andrew Cagney <ac131313@redhat.com>
8210 * mkdeps.c (deps_add_default_target): Make local variable
8211 ``start'' a const char pointer.
8212 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
8214 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8216 * doc/install.texi (Configuration): Fix markup.
8217 (Specific, i?86-*-udk): Likewise.
8218 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
8220 Document --enable-threads and --enable-libgcj status.
8221 (Specific, mips-sgi-irix*): Canonicalize triples.
8222 (Specific, mips-sgi-irix5): Warn about problems with this config.
8223 Mention required GNU as patch.
8224 Native assembler problems are fixed.
8225 (Specific, mips-sgi-irix6): Update O32 ABI support status.
8226 Document --enable-threads and --enable-libgcj status.
8228 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
8230 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
8233 2001-08-03 Richard Henderson <rth@redhat.com>
8235 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
8238 2001-08-03 Richard Henderson <rth@redhat.com>
8240 * rtlanal.c (find_first_parameter_load): Stop if we
8241 reach a CODE_LABEL at BOUNDARY.
8243 2001-08-03 Richard Henderson <rth@redhat.com>
8245 * config/alpha/alpha.md (force_movdi): New insn.
8246 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
8247 Tweek FRP marking of VMS prologue insns.
8248 * config/alpha/vms.h (EPILOGUE_USES): New.
8250 2001-08-02 Richard Henderson <rth@redhat.com>
8252 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
8254 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
8256 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
8257 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
8258 config/convex/convex.h, config/d30v/d30v.c,
8259 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
8260 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
8261 config/mips/mips.h, config/mn10200/mn10200.h,
8262 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
8263 config/v850/v850.h, config/vax/openbsd.h,
8264 config/vax/openbsd1.h, config/vax/ultrix.h,
8265 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
8266 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
8267 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
8268 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
8269 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
8270 in comments and documentation.
8272 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8276 * Makefile.in (line-map.o): New.
8277 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
8278 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
8279 * cpperror.c (print_containing_files): Similarly.
8280 (print_location): Update. Don't output a space before _Pragma.
8281 * cppfiles.c (stack_include_file): Set to line 1 immediately.
8282 (stack_include_filee, cpp_make_system_header): Update.
8283 (_cpp_execute_include): Get logical line number right for calling
8284 as-yet-unterminated #include.
8285 * cpphash.h (struct cpp_reader): Add line_maps.
8286 (_cpp_do_file_change): Update.
8287 * cppinit.c (cpp_create_reader): Initialize line maps.
8288 (cpp_destroy): Destroy line maps.
8289 (cpp_start_read): Get logical line number right.
8290 * cpplex.c (parse_string): Only warn once for multi-line strings.
8291 Use boolean variable for null warning.
8292 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
8294 (do_include_common): End the directive early.
8295 (do_line): Don't warn about out-of-range lines in preprocessed
8296 source. Update. Remove unused variables.
8297 (_cpp_do_file_change): Update for new line mapping.
8298 (pragma_cb): New typedef.
8299 (cpp_register_pragma): Stop looking ahead before calling the
8301 (do_pragma_system_header): End directive early.
8302 (cpp_get_line_maps): New.
8303 (cpp_pop_buffer): Fudge logical line. Update.
8304 * cpplib.h: Include line-map.h
8305 (enum cpp_fc_reason): Remove.
8306 (struct cpp_file_change): Update.
8307 (cpp_get_line_maps): New.
8308 * cppmain.c (struct_printer): New member map.
8309 (cb_file_change): Update for new mappings.
8310 * fix-header.c (cb_file_change): Similarly.
8312 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
8314 * Makefile.in (libgcc.mk): Define mkinstalldirs.
8315 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
8317 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
8319 * config/vax/vax.c: include expr.h.
8321 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
8323 * Makefile.in ($(srcdir)/configure): Only rebuild in
8325 ($(srcdir)/config.in): Only define in maintainer mode.
8326 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
8328 2001-08-02 David Edelsohn <edelsohn@gnu.org>
8330 * doc/install.texi (Install GCC: Binaries): Update Bull info.
8332 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8334 * gcc.c (set_collect_gcc_options): New function, split out from
8336 Ignore elided switches.
8337 (do_spec_1): Invoke before executing command.
8338 (set_input): Export.
8339 Move declaration ...
8340 * gcc.h (set_input): ... here.
8341 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
8344 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
8347 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
8349 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
8351 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
8353 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
8354 for the unnamed instructions it expands to.
8356 2001-08-02 Richard Henderson <rth@redhat.com>
8358 * regclass.c (call_really_used_regs): Conditionally define.
8359 (init_reg_sets_1): Don't use it if not defined.
8360 (fix_register): Similarly, don't set it.
8362 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8364 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
8365 Correct comment that had been missed in the previous change.
8367 2001-08-01 Stan Shebs <shebs@apple.com>
8369 * config/darwin.c (machopic_stub_name): Try matching by name.
8370 (update_stubs): New function.
8371 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
8374 2001-08-01 Richard Henderson <rth@redhat.com>
8376 * except.c (output_function_exception_table): Use assemble_align.
8377 * varasm.c (assemble_eh_label): Remove.
8378 (assemble_eh_align, assemble_eh_integer): Remove.
8380 2001-08-01 Robert Lipe <robertl@caldera.com>
8382 * dwarfout.c: Remove reference to README.DWARF.
8384 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
8386 * regclass.c (call_really_used_regs): New array for registers which
8387 are actually used by a call.
8388 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
8390 (fix_register): Set call_really_used too.
8391 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
8392 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
8394 2001-08-01 Richard Henderson <rth@redhat.com>
8396 * read-rtl.c (read_name): Consider \r whitespace.
8398 2001-07-11 Andrew Cagney <ac131313@redhat.com>
8400 * config.gcc: Recognize powerpc-*-netbsd*.
8402 * doc/install.texi (Host/target specific installation notes for
8403 GCC): Mention powerpc-*-netbsd*.
8405 * config/rs6000/netbsd.h: New file.
8406 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
8407 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
8408 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
8409 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
8410 (TARGET_VERSION): Redefine.
8412 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
8413 mcall-netbsd as a match for mcall-sysv.
8414 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
8415 (ncrti.S, ncrtn.S): New targets.
8416 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
8418 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
8419 "netbsd' as a V4 ABI.
8420 (ASM_SPEC): Check for -mcall-netbsd.
8421 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
8422 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
8423 (LIB_SPEC, ENDFILE_SPEC): Ditto.
8424 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
8425 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
8426 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
8427 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
8429 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
8430 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
8432 2001-08-01 Mark Kettenis <kettenis@gnu.org>
8434 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
8435 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
8436 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
8437 including "unwind-pe.h".
8439 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
8441 * rs6000.md (define_splits): Kill unused constraints.
8443 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
8444 Jan Hubicka <jh@suse.cz>
8446 * function.c (thread_prologue_and_epilogue_insns): Kill code
8447 dealing with non-existent CFG.
8449 2001-08-01 Kazu Hirata <kazu@hxi.com>
8451 * alias.c: Fix comment formatting.
8452 * bitmap.c: Likewise.
8453 * builtins.c: Likewise.
8454 * calls.c: Likewise.
8455 * c-common.c: Likewise.
8456 * c-decl.c: Likewise.
8457 * c-dump.c: Likewise.
8458 * c-lex.c: Likewise.
8459 * collect2.c: Likewise.
8460 * combine.c: Likewise.
8461 * conflict.c: Likewise.
8462 * cppfiles.c: Likewise.
8463 * cppinit.c: Likewise.
8464 * cpplex.c: Likewise.
8465 * cpplib.c: Likewise.
8466 * cppmacro.c: Likewise.
8467 * cppspec.c: Likewise.
8468 * c-pragma.c: Likewise.
8469 * crtstuff.c: Likewise.
8471 * cselib.c: Likewise.
8472 * c-semantics.c: Likewise.
8473 * c-typeck.c: Likewise.
8475 2001-08-01 H.J. Lu <hjl@gnu.org>
8477 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
8479 2001-08-01 H.J. Lu <hjl@gnu.org>
8481 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
8483 2001-08-01 Ziemowit Laski <zlaski@apple.com>
8485 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
8486 contextualizing Objective-C class name lookup by the lexer.
8487 (typespec_reserved_nonattr): Disable ObjC class name lookup after
8489 (protocoldef): Add support for forward @protocol declarations.
8490 (yylexname): Suppress ObjC class name lookup in certain contexts;
8491 re-enable after lookup is complete.
8492 (_yylex): Re-enable ObjC class name lookup when certain
8493 punctuation marks are seen.
8495 * objc/objc-act.c (check_protocol_recursively): New function used
8496 for finding circular dependencies in protocols.
8497 (objc_declare_protocols): New function for handling forward
8498 @protocol declarations.
8499 (receiver_is_class_object): Detect the case when 'self' is used
8500 inside of a class method.
8501 (build_message_expr): Issue a warning if class method is desired
8502 but instance method is found instead.
8503 (conforms_to_protocol): Streamline.
8504 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
8505 protocol Foo, even if 'Bar foo' does not.
8506 (check_protocols): Streamline.
8507 (start_protocol): Add checks for circular and duplicate protocol
8509 (encode_aggregate_within): For typedefs of structs, encode the
8511 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
8512 (objc_declare_protocols): New prototype.
8514 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8516 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
8517 * cpplex.c (handle_newline): Update prototype. Maintain logical
8519 (skip_escaped_newlines, skip_block_comment, parse_string):
8521 (_cpp_lex_token): Update, and store token position within the token.
8522 * cpplib.h (struct cpp_token): Add line and column entries.
8523 * cppmacro.c (replace_args): Position stringified tokens correctly.
8525 2001-08-01 Andreas Jaeger <aj@suse.de>
8527 * basic-block.h: Add prototype for last_loop_beg_note.
8529 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
8531 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
8532 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
8534 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
8535 while handling WITH_CLEANUP_EXPR node. Use second operand calling
8536 expand_decl_cleanup.
8537 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
8539 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
8540 operand while calling simple_cst_equal.
8541 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
8542 operand is the cleanup expression, the third is the RTL_EXPR.
8543 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
8545 2001-07-31 Jeff Sturm <jsturm@one-point.com>
8547 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
8549 2001-07-31 matthew green <mrg@eterna.com.au>
8551 * config.gcc (i386-*-netbsdelf): New description.
8552 * config/i386/netbsd-elf.h: New file.
8554 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
8556 * loop.c (check_dbra_loop): Use single_set to compute
8559 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
8561 PowerPC reorg and support for powerpc64-*-linux*.
8563 Also fixes emitting of constants on 32 bit and 64 bit
8566 * config.gcc: powerpc64-*-linux* is a new target.
8567 Things that needed aix.h now also include xcoff.h
8569 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
8571 Move AIX specific stuff into aix.h.
8572 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
8573 with more than just XCOFF now.
8574 (SET_ASM_OP): Remove, now defined where needed.
8575 (FUNCTION_PROLOGUE): New macro definition.
8576 (FUNCTION_EPILOGUE): New macro definition.
8577 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
8579 * config/rs6000/xcoff.h: New file.
8581 * config/rs6000/linux64.h: New file.
8583 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
8585 2001-07-31 Alan Modra <amodra@bigpond.net.au>
8587 * rs6000.c (print_operand_address): Handle ELF syntax.
8588 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
8589 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
8590 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
8592 2001-07-31 David Edelsohn <edelsohn@gnu.org>
8594 * rs6000.c (rs6000_override_options): Only disable
8595 flag_function_sections for XCOFF.
8596 (exact_log2_cint_operand): New predicate.
8597 (reg_or_{add,sub}_cint64_operand): New predicates.
8598 (add_operand): Compare CONST_INT with fewer function calls.
8599 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
8600 (print_operand, case 'p'): Ensure positive operand.
8601 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
8602 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
8603 (PREDICATE_CODES): Add new predicates.
8604 * rs6000.md (addsi3): Split 32-bit constants more correctly.
8605 (divsi3, modsi3): Ensure positive power-of-2.
8606 (adddi3): Use new predicate. Split 32-bit constants more
8607 correctly. Re-arrange splitter to handle any constant.
8608 (subdi3): Use new predicate.
8609 (divdi3, moddi3): Ensure positive power-of-2.
8610 (movdi): Use rs6000_emit_set_const.
8611 (load_toc_v4_pic_di): Delete.
8613 2001-07-31 Graham Stott <grahams@redhat.com>
8615 * function.c (pad_below): Revert 2001-07-26 patch.
8617 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
8619 * reg-stack (convert_regs_1): Fix best edge condition.
8621 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
8623 * jump.c (duplicate_loop_exit_test): Better test for jumps
8624 entering the loop; create loop pre_header.
8626 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
8628 * doc/install.texi: Add s390 and s390x as new targets.
8629 * doc/invoke.texi: Add documentation of S/390 and zSeries
8631 * doc/md.texi: Add documentation of S/390 and zSeries constraints.
8633 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
8635 * config/m68k/m68k.md: Replace all general_operand with
8636 nonimmediate_operand for all destinations.
8637 * config/m68k/m68k.c (not_sp_operand): Likewise.
8639 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
8641 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
8643 2001-07-30 Richard Henderson <rth@redhat.com>
8645 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
8646 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
8648 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
8650 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
8651 Add missing doc strings
8652 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
8653 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
8655 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
8657 * i386.c (ix86_output_main_function_alignment_hack): New function.
8658 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
8660 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
8661 edges by EDGE_DFS_BACK flag.
8662 (dump_edge_info): Add dfs_back flag.
8663 * basic-block.h (EDGE_DFS_BACK): New constant.
8664 (mark_dfs_back_edges): Declare.
8665 * alias.c (loop_p): Remove.
8666 (mark_constant_function): Use mark_dfs_back_edges.
8668 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
8669 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
8670 (compensate_edge): Break out from ...
8671 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
8672 (convert_regs_2): Set block_done once block is really done;
8673 Do updating of the predecesors counts.
8675 * toplev.c (rest_of_compilation): Recompute block_for_insn
8676 before post-reload cfg_cleanup.
8677 * function.c (thread_prologue_epilogue_insns):
8678 Call set_block_for_new_insns when emitting prologue directly.
8680 2001-07-30 Andreas Jaeger <aj@suse.de>
8682 * jump.c: Add prototype for mark_modified_reg.
8684 * cse.c (set_live_p): Add unused attribute.
8686 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
8688 (scan_for_source_files): Use long for count to avoid overflow.
8689 (output_data): Likewise.
8690 (output_data): Don't use string concatatenation to silence gcc
8693 * predict.c: Fix typos and grammar.
8695 * gcse.c (insert_insn_end_bb): Remove unused variables.
8697 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
8699 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
8700 (attempt_auto_inc): LIkewise.
8701 (mark_used_reg): Likewise.
8702 (try_pre_increment_1): Likewise.
8703 * regclass.c (regclass): Likewise.
8704 * global.c (allocno_compare): Update comment; change scaling factor.
8705 * local-alloc.c (QTY_CMP_PRI): Likewise.
8706 * regs.h (REG_FREQ_FROM_BB): New.
8707 (REG_FREQ_MAX): Likewise.
8709 2001-07-30 H.J. Lu <hjl@gnu.org>
8711 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
8714 2001-07-30 H.J. Lu (hjl@gnu.org)
8716 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
8717 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
8718 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
8720 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
8722 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
8723 as -mthumb-interwork when -mcpu=arm7 is specified.
8725 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
8727 * predict.def (noreturn, loop branch, loop exit): Mark as first
8730 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
8732 * combine.c (try_combine): Avoid barrier after noop jumps.
8734 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8736 * cpphash.h (struct cpp_reader): Remove import_warning.
8737 * cpplib.c (skip_rest_of_line): Don't bother turning off
8739 (parse_include): Move include handling to...
8740 (do_include_common): ... here. Move import warning from...
8741 (do_import): ... here.
8742 (do_pragma_poison): Don't do a callback for poison identifiers.
8743 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
8744 * cppmain.c (setup_callbacks): Similarly.
8746 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
8748 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
8749 handle multiple sets.
8750 * except.c (sjlj_mark_call_sites): .... here.
8751 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
8753 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
8755 Suggested by Richard Henderson and Richard Kenner:
8756 * combine.c (recog_for_combine): Use the fake recog
8757 only if instruction does not match.
8758 * rtl.h (NOOP_MOVE_INSN_CODE): New.
8759 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
8761 * combine.c (try_combine): Discover noop jump as direct jump.
8763 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
8765 * df.c (df_rd_global_compute): Add successors to worklist, not
8767 (df_ru_global_compute): Ditto.
8769 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
8771 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
8772 increment REG_N_SETS.
8774 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
8776 * sbitmap.h: New prototype for sbitmap_a_xor_b.
8778 * sbitmap.c (sbitmap_a_xor_b): New function.
8779 ifdef the basic block stuff on IN_GCC.
8781 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
8783 * cppexp.c (parse_defined): Always record the macro name.
8784 (lex): Don't worry about identifiers, or special-case
8786 (_cpp_parse_expr): Figure out at the end of the routine
8787 whether we saw a valid !defined() expression.
8788 * cppfiles.c (stack_include_file): Update for mi_valid.
8789 (_cpp_pop_file_buffer): Similarly.
8790 * cpplex.c (_cpp_lex_token): Similarly.
8791 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
8792 mi_if_not_defined, mi_lexed): Remove.
8794 * cpplib.c (do_if): Simplify.
8795 (do_endif, push_conditional, _cpp_handle_directive): Update
8796 for renaming of mi_state to mi_valid.
8798 * cpp.texi: Add index entries for digraphs, and add comment
8799 that C++ refers to them as alternative tokens.
8801 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
8803 * basic-block.h (CLEANUP_PRE_LOOP): New.
8804 * except.c (finish_eh_generation): Update call of cleanup_cfg.
8805 * sibcall.c (optimize_sibling_calls): Likewise.
8806 * toplev.c (rest_of_compilation): Likewise.
8807 * flow.c (try_forward_edges): Take argument MODE;
8808 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
8809 (try_optimize_cfg): Update call of try_forward_edges.
8811 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
8812 Jan Hubicka <jh@suse.cz>
8814 * (validate_replace_rtx_1): Fix simplification of MINUS.
8816 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
8818 PR preprocessor/3669
8819 * cppinit.c (init_dependency_output): Turn off dump requests
8820 if sending dependencies to stdout.
8822 2001-07-28 Richard Henderson <rth@redhat.com>
8824 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
8827 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
8829 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
8831 2001-07-28 Kazu Hirata <kazu@hxi.com>
8833 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
8834 is VAR_DECL first to prevent an ICE.
8836 2001-07-28 Richard Henderson <rth@redhat.com>
8838 * varasm.c (immed_real_const_1): Don't elide special cases for
8840 (clear_const_double_mem): Clear const_tiny_rtx too.
8842 2001-07-28 Richard Henderson <rth@redhat.com>
8844 * dwarf2out.c (dw_val_class_offset): New.
8845 (struct dw_ranges_struct, dw_ranges_ref): New.
8846 (ranges_table, ranges_table_allocated): New.
8847 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
8848 (add_AT_offset, add_ranges, output_ranges): New.
8849 (print_die, output_die): Handle dw_val_class_offset.
8850 (attr_checksum, size_of_die, value_format): Likewise.
8851 (gen_lexical_block_die): Handle non-contiguous blocks.
8852 (gen_block_die): Likewise.
8853 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
8854 if needed. Dump the ranges table.
8855 * final.c (final_start_function): Remove unnecessary notes and
8856 rebuild the block tree before numbering the blocks.
8857 * function.c (reorder_blocks_0): Walk the existing block tree
8858 to unmark all blocks.
8859 (reorder_blocks_1): Create block fragments when duplicate block
8861 (reorder_fix_fragments): New.
8862 (reorder_blocks): Call it.
8863 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
8865 2001-07-28 Richard Henderson <rth@redhat.com>
8867 * emit-rtl.c (adjust_address): Make a copy of the memory address.
8869 2001-07-28 Richard Henderson <rth@redhat.com>
8871 * flow.c (add_to_mem_set_list): New function.
8872 (init_propagate_block_info): Use it.
8873 (mark_set_1): Likewise.
8874 (insn_dead_p): Canonicalize memory address for dead store
8875 comparison. Allow wider mode stores to kill narrower mode stores.
8876 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
8877 (invalidate_mems_from_set): Don't handle MEMs.
8879 2001-07-28 Kazu Hirata <kazu@hxi.com>
8881 * config/h8300/h8300.h: Fix formatting.
8883 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
8885 * basic-block.h (EDGE_FREQUENCY): New macro.
8886 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
8888 * flow.c (find_sub_basic_blocks): Likewise.
8889 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
8890 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
8892 * predict.c (DEF_PREDICTOR): New argument FLAGS.
8893 (HITRATE): New macro.
8894 (PRED_FLAG_FIRST_MATCH): New constant.
8895 (predictor_info): New field flgags.
8896 (combine_predictions_for_insn): Use DS theory to combine
8897 probabilities; set the edge probabilities when finished.
8898 (estimate_probability): Avoid duplicated matches
8899 of LOOP_BRANCH heuristics for nested loops; update comment.
8900 * predict.def: Add flags for each prediction, set probabilities
8901 according to B&L paper.
8902 * predict.h (DEF_PREDICTOR): New argument FLAGS.
8904 * profile.c (compute_branch_probabilities): Cleanup way the edge
8905 probabilities are computed and REG_BR_PROB notes are dropped; if
8906 values does not match, emit error.
8907 (init_branch_prob): Do error instead of warning when profile driven
8908 feedback is missing or corrupt.
8910 2001-07-27 DJ Delorie <dj@redhat.com>
8912 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
8913 against a constant, try to adjust the compare to have the desired
8914 constant in it so that min/max optimizations happen more often.
8916 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8918 * flow.c (last_loop_beg_note): New function.
8919 (redirect_edge_and_branch): Use it.
8920 (split_edge): Likewise.
8922 * alias.c (loop_p): Avoid uninitialized memory access.
8924 * flow.c (try_forward_edges): Avoid accessing freed memory.
8926 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
8929 2001-07-26 Andrew Haley <aph@redhat.com>
8930 Joern Rennecke <amylaar@redhat.com>
8932 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
8933 (SUBTARGET_CPP_ENDIAN_SPEC): New.
8934 (SUBTARGET_CPP_SPEC): New.
8936 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
8937 (SUBTARGET_CPP_PTR_SPEC): New.
8938 (CPP_DEFAULT_CPU_SPEC): New.
8939 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
8940 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
8941 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
8942 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
8943 (SUBTARGET_CPP_SPEC): Define as an empty string.
8945 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8947 * doc/install.texi (Configuration): Properly link the host
8948 specific instructions also when generating HTML.
8950 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
8952 * flow.c (redirect_edge_and_branch_force): Test
8953 target->global_live_at_start.
8955 2001-07-26 Richard Henderson <rth@redhat.com>
8957 * simplify-rtx.c (avoid_constant_pool_reference): Export.
8958 * rtl.h (avoid_constant_pool_reference): Declare it.
8959 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
8960 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
8962 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
8964 * rtl.h (cleanup_barriers): Declare.
8965 * jump.c (cleanup_barriers): New function.
8966 * toplev.c (rest_of_compilation): Call cleanup_barriers
8967 before loop optimizer and after bb_reorder.
8969 * flow.c (back_edge_of_syntactic_loop_p): New.
8970 (split_edge): Use it.
8972 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8974 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
8976 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
8978 * cse.c (cse_process_notes): Replace any registers if the address
8981 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
8983 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
8984 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
8985 (propagate_block): Update prototype.
8986 * flow.c (update_life_info): Simplify the CFG and
8987 recalculate the global regs which are alive when
8988 removing dead code during a global update.
8989 (propagate_block): Return non-zero if an INSN is
8992 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8994 * Makefile.in (LIBICONV): Define.
8996 2001-07-26 Catherine Moore <clm@redhat.com>
8998 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
8999 of conditional to avoid tree checking errors.
9001 2001-07-26 Kazu Hirata <kazu@hxi.com>
9003 * regmove.c (regmove_optimize): Don't replace a reg with
9004 another reg of a different mode.
9006 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
9008 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
9009 limit length of dependency flush list.
9010 * params.h (MAX_PENDING_LIST_LENGTH): Define.
9011 * sched-int.h (struct deps): Add pending_flush_length field.
9012 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
9013 has 1 element in it.
9014 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
9015 (sched_analyze): After a jump, if the pending memory flush list is too
9016 large, flush the pending lists.
9017 (init_deps): Initialize pending_flush_length to 0.
9018 * doc/invoke.texi (max_pending_list_length): Document parameter.
9020 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
9022 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
9023 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
9024 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
9026 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
9028 * cpphash.h (struct_lexer_state): Delete was_skipping.
9029 Move skipping here from struct cpp_reader.
9030 * cpplex.c (parse_identifier): Update.
9031 (_cpp_lex_token): Don't skip tokens in a directive.
9032 * cpplib.c (struct if_stack): Update.
9033 (start_directive, end_directive): Don't change skipping state.
9034 (_cpp_handle_directive): Update.
9035 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
9036 (do_else, do_endif): Update; only check for excess tokens if not
9037 in a skipped conditional block.
9038 (push_conditional): Update for new struct if_stack.
9040 2001-07-26 Graham Stott <grahams@redhat.com>
9042 * function.c (locate_and_pad_parm): Also pad initial offset
9043 so that the total argument size also includes the padding.
9045 2001-07-26 Graham Stott <grahams@redhat.com>
9047 * gensupport.c (alter_output_for_insn): Correct enable checking failure
9048 change XSTR to XTMPL.
9050 (process_one_cond_exec): Likewise
9052 2001-07-25 Richard Henderson <rth@redhat.com>
9054 * varasm.c (assemble_variable): Create DECL_RTL before setting
9057 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
9059 * predict.c (estimate_probability): Avoid duplicated predictions.
9061 * loop.c (find_and_verify_loops): Grok multiple barriers.
9063 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9065 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
9067 * dbxout.c: Consistently use putc instead of fputc.
9068 (print_wide_int): New function; call instead of direct fprintf.
9069 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
9070 (dbxout_type_fields, dbxout_type_method_1): Likewise.
9071 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
9072 (print_int_cst_octal): Likewise.
9073 (print_octal): Show we wrote characters.
9074 (dbxout_type): Set have_used_extensions in more places.
9076 2001-07-25 Catherine Moore <clm@redhat.com>
9078 * config/v850/v850.c (v850_va_arg): Use addr
9079 instead of valist to build incr.
9081 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
9083 * flow.c (delete_dead_jumptables): New function.
9084 (life_analyzis): Call it.
9085 * bb-reorder.c (skip_insns_after_block): Handle contradictory
9088 2001-07-25 Richard Henderson <rth@redhat.com>
9090 * except.c (reachable_handlers): Handle a region being removed
9091 out from under a RESX.
9093 2001-07-25 Richard Henderson <rth@redhat.com>
9095 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
9096 swap GE/GT if it is an fp comparison.
9098 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
9100 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
9103 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
9105 * ssa.c (rename_insn_1): Do not wrap an assignment to a
9106 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
9109 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
9111 (visit_expression): When attempting to simplify an expression,
9112 retrieve any modes for arguments before they are simplified
9115 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
9116 Janis Johnson <janis@us.ibm.com>
9118 * stmt.c (expand_goto): A nonlocal goto can be a call too.
9119 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
9120 pointer parameters to match documented usage of nonlocal_goto.
9121 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
9122 parameters to their correct order.
9123 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
9124 parameters to their correct order.
9126 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
9128 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
9130 2001-07-25 Jan Hubicka <jh@suse.cz>
9131 Richard Henderson <rth@redhat.com>
9133 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
9135 (make_edges): New argument update_p; populate the edge cache if set.
9136 (find_basic_blocks): Update make_edges invocation.
9138 2001-07-24 Joel Sherrill <joel@OARcorp.com>
9140 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
9142 2001-07-24 Joel Sherrill <joel@OARcorp.com>
9144 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
9145 -Acpu and -Amachine.h.
9146 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
9147 Corrected header to say ELF not a.out.
9148 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
9149 when given -msoft-float.
9151 2001-07-24 Joel Sherrill <joel@OARcorp.com>
9153 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
9154 extra multilib parts like arm-elf.
9155 (i960-*-coff*, i960-*-rtems): Should not use collect2.
9156 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
9157 crtfini.o as extra multilib parts.
9159 2001-07-24 Joel Sherrill <joel@OARcorp.com>
9161 * configure.in: Add rtems as a supported thread model.
9162 * gthr-rtems.h: Add missing entry point __gthread_active_p.
9163 * configure: Rebuilt.
9165 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
9167 * stor-layout.c (get_mode_alignment): make it work when
9168 BITS_PER_UNIT is not a power of two.
9169 * builtins.c (get_pointer_alignment): Likewise.
9171 2001-07-24 Richard Henderson <rth@redhat.com>
9173 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
9174 the retrieved constant into the expected mode.
9176 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
9178 * flow.c (try_simplify_condjump): Avoid duplicated edges.
9179 (verify_flow_info): Check for duplicated edges; clarify
9182 * flow.c (block_label): Update basic_block_for_insn.
9183 (commit_edge_insertions): Call compute_bb_for_insn.
9185 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
9188 * flow.c (redirect_edge_and_branch,
9189 try_optimize_cfg): Use redirect_edge_succ_nodup
9190 (redirect_edge_succ_nodup): New.
9191 * basic_block.h (redirect_edge_succ_nodup): Declare.
9193 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
9196 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
9198 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
9199 (try_crossjump_to_edge): Update commetns.
9200 (try_crossjump_bb): Likewise.
9202 2001-07-24 Richard Henderson <rth@redhat.com>
9204 * combine.c (distribute_notes): Move set of need_refresh
9205 for noop_move_p down to catch all cases.
9207 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
9209 * recog.c (split_all_insns_noflow): New.
9210 * rtl.h (split_all_insns_noflow): Declare.
9211 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
9212 * m68hc11.c (m68hc11_reorg): Likewise.
9213 * sh.c (machine_dependent_reorg): Likewise.
9214 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
9217 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
9219 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
9220 (ashlsi3_n splitter): Likewise.
9221 (lshrsi3_n splitter): Likewise.
9223 (GOTaddr2picreg): Make const SImode.
9224 (sym_label2reg): Likewise.
9225 (symGOT2reg): Likewise.
9226 (symGOTOFF2reg) Likewise.
9228 (casesi_worker_0): Make unspec SImode.
9230 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
9232 * config/sh/sh.c (barrier_align): Check that an operand really is
9233 an insn before extracting its INSN_CODE.
9235 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
9237 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
9240 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
9241 for SImode to prevent overflow.
9243 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9245 * config/mips/irix6-libc-compat.c: New file.
9246 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
9247 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
9250 2001-07-24 lars brinkhoff <lars@nocrew.org>
9252 * rtl.texi (REG_POINTER): Document.
9253 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
9254 QFmode, HFmode, TQFmode, QCmode, and HCmode.
9256 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
9258 * flow.c (delete_noop_moves): Do not confuse libcall regions.
9260 2001-07-23 Richard Henderson <rth@redhat.com>
9262 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
9264 2001-07-23 Kazu Hirata <kazu@hxi.com>
9266 * config/h8300/h8300-protos.h: Add a prototype for
9267 general_operand_dst_push.
9268 * config/h8300/h8300.c (general_operand_dst_push): New.
9269 * config/h8300/h8300.h (OK_FOR_T): New.
9270 (EXTRA_CONSTRAINT): Use it.
9271 * config/h8300/h8300.md (movqi_push): Remove and integrate into
9272 the existing movqi pattern.
9273 (movhi_push): Likewise.
9275 * reload.c: Fix comment typos.
9277 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
9279 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
9281 2001-07-23 H.J. Lu (hjl@gnu.org)
9283 * doc/extend.texi: Update __builtin_return_address and
9284 __builtin_frame_address.
9286 2001-07-23 Richard Henderson <rth@redhat.com>
9288 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
9290 * config/i386/i386.md: New setcc+movzbl peephole2.
9292 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
9294 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
9295 * objc/objc-act.c: Include debug.h.
9296 (synth_module_prologue): Save and restore debug hooks too.
9298 2001-07-23 lars brinkhoff <lars@nocrew.org>
9300 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
9301 and C4X_FLOAT_FORMAT.
9302 (BOOL_TYPE_SIZE): Document.
9304 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
9306 * unroll.c (loop_iterations): Fix miscalculation of initial
9309 2001-07-13 Andrew Haley <aph@redhat.com>
9311 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
9312 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
9313 * config/sh/sh.c (sh_can_redirect_branch): New function.
9314 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
9315 * reorg.c (steal_delay_list_from_target): Use
9316 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
9318 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
9320 * flow.c (try_simplify_condjump): Unlink insn chain on
9321 fallthru edge; use can_fallthru.
9323 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
9325 * basic-block.h (find_sub_basic_block): Declare.
9326 * flow.c (make_edges): New arguments MIN and MAX;
9327 (find_sub_basic_blocks): Revamp to use make_edges
9328 and purge_dead_edges.
9329 (find_basic_blocks): Update call of find_sub_basic_block.
9331 * recog.c (split_all_insns): Always expect CFG to be consistent;
9332 call find_sub_basic_blocks in case something has changed.
9333 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
9336 * basic-block.h (delete_noop_moves): Declare.
9337 * combine.c (combine_instructions): Call it.
9338 (recog_for_combine): Tolerate noop moves
9339 (distribute_notes): Force refresh when register dies at noop move.
9340 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
9342 (life_analysis): Update delete_noop_moves call.
9343 (set_noop_p): Move too ...
9344 * rtlanal.c (noop_move_p): ... here.
9345 * rtl.h (noop_move_p): Declare.
9347 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
9348 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
9350 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
9351 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
9353 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
9355 * reload.c (push_reload): Fix typo in comment.
9356 (find_reloads_address): Ditto.
9357 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
9359 2001-07-22 Richard Henderson <rth@redhat.com>
9361 * flow.c: Grammar check and clarify a lot of comments.
9362 (try_simplify_condjump): Rename variables to be clearer.
9363 (try_forward_edges): Skip complex and fallthru edges.
9364 Rearrange tests to avoid duplicate checks.
9365 (flow_find_cross_jump): Likewise.
9366 (outgoing_edges_match): Allow match if neither branch has
9367 probability data. Loosen probability match to 5%.
9368 (try_crossjump_to_edge): Hoist repeated indirection into
9370 (try_crossjump_bb): Don't check complex edges. Eliminate
9371 redundant crossjump tests.
9372 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
9373 checks before more expensive checks.
9375 2001-07-22 Richard Henderson <rth@redhat.com>
9377 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
9378 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
9381 2001-07-22 Richard Henderson <rth@redhat.com>
9383 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
9384 (const_sint32_operand): Likewise.
9385 * m68k.md (anon mulsi pattern): Use const_int_operand not
9386 const_sint32_operand.
9387 (umulsi3_highpart): Zero extend a constant input.
9388 (smulsi3_highpart): Don't bother checking SImode constant.
9389 (const_umulsi3_highpart): Give op3 DImode.
9390 (const_smulsi3_highpart): Likewise.
9392 2001-07-22 Richard Henderson <rth@redhat.com>
9394 * flow.c (split_block): Make sure bb_note is included in the
9395 new block when splitting before a label.
9397 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
9399 * basic-block.h (redirect_edge_and_branch_force,
9400 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
9401 * flow.c (redirect_edge_and_branch_force,
9402 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
9403 (redirect_edge_and_branch_force): Fix copying of lifeness information.
9404 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
9405 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
9406 instead of label; update CFG after transformation.
9407 (find_if_case_1): Update call, use redirect_edge_and_branch_force
9408 for finishing the transformation; handle even case where ELSE
9409 does not follow THEN.
9410 (find_if_case_2): Update call of dead_or_predictable; simplify
9413 * emit-rtl.c (split_branch_probability): New global variable.
9414 (try_split): Take care to set split_branch_probability and
9415 create REG_BR_PROB note for new jump insns.
9416 * md.texi (define_split): Document new feature.
9418 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
9420 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
9422 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
9423 (asm_out_file): Remove redundant declaration.
9424 (assemble_asm): Remove old #if 0 block.
9425 (assemble_variable): Remove end of function; debug output is
9426 now handled with global_decl. Remove old #if 0 block. Update.
9427 Remove saved_in_section and associated no-op code.
9428 * Makefile.in (varasm.o): Correct dependencies.
9430 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
9432 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
9433 the definition in defaults.h.
9435 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
9437 * jump.c: Update comments.
9438 (delete_barrier_successors, delete_unreferenced_labels,
9439 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
9440 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
9441 jump_optimize, jump_optimize_minimal): Kill.
9442 (rebuild_jump_labels): Move code from jump_optimize_1.
9443 (purge_line_number_notes): Likewise.
9444 (copy_loop_headers): Likewise.
9445 * reg-stack.c: Update comment.
9447 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
9448 JUMP_AFTER_REGSCAN): Kill.
9449 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
9450 purge_line_number_notes and copy_loop_headers.
9452 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
9453 Richard Henderson <rth@redhat.com>
9455 * dbxout.c (dbxout_global_decl): New.
9456 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
9457 * sdbout.c (sdbout_finish): New.
9458 (sdbout_debug_hooks): Use it, add comments.
9459 (sdbout_global_decl): Defer initialised public vars to
9461 * varasm.c (assemble_variable): Don't output debug information
9462 for file-scope variables.
9464 2001-07-22 Richard Henderson <rth@redhat.com>
9466 * config/alpha/alpha.c (get_trap_mode_suffix): New.
9467 (get_round_mode_suffix): New.
9468 (print_operand): Use them for [/]. Remove support for [&'`()+].
9469 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
9470 * config/alpha/alpha.md (attr round_suffix): New.
9471 (attr trap_suffix): New.
9472 (all insns): Set them appropriately. Use %/ instead of the
9475 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
9477 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
9479 2001-07-22 Richard Henderson <rth@redhat.com>
9481 * regrename.c (regrename_optimize): Compute nregs for each
9482 potential target register.
9484 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
9485 Richard Henderson <rth@redhat.com>
9487 * dbxout.c (dbxout_global_decl): New.
9488 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
9489 * sdbout.c (sdbout_finish): New.
9490 (sdbout_debug_hooks): Use it, add comments.
9491 (sdbout_global_decl): Defer initialised public vars to
9493 * varasm.c (assemble_variable): Don't output debug information
9494 for file-scope variables.
9496 2001-07-21 H.J. Lu (hjl@gnu.org)
9498 * config/mips/mips.c (mips_cpu): Moved into ...
9499 (override_options): Here.
9501 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
9503 (mips_cpu): Removed.
9505 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9507 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
9508 ("iorqi3"): Likewise.
9509 ("xorqi3"): Likewise.
9510 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
9511 ("*subhi3_sp): Likewise.
9512 ("*subhi3"): Likewise.
9513 ("extendhisi2"): Accept D, X and Y as source operand to avoid
9516 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
9518 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
9519 * config/freebsd.h: Likewise.
9520 * config/linux.h: Likewise.
9521 * config/openbsd.h: Likewise.
9522 * config/alpha/linux-elf.h: Likewise.
9523 * config/arm/linux-elf.h: Likewise.
9524 * config/d30v/d30v.h: Likewise.
9525 * config/fr30/fr30.h: Likewise.
9526 * config/ia64/aix.h: Likewise.
9527 * config/ia64/ia64.h: Likewise.
9528 * config/mips/linux.h: Likewise.
9529 * config/pj/pj.h: Likewise.
9530 * config/rs6000/linux.h: Likewise.
9531 * config/sparc/linux.h: Likewise.
9532 * config/sparc/linux64.h: Likewise.
9534 2001-07-20 Bruce Korb <bkorb@gnu.org>
9536 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
9537 because getc() and char* may disagree on signedness.
9539 2001-07-20 Richard Henderson <rth@redhat.com>
9541 * doc/rtl.texi (REG_DEAD): Update for current semantics.
9543 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
9544 insns to delete in the presence of cc0 in a jump insn.
9546 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
9547 Jan Hubicka <jh@suse.cz>
9549 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
9550 of doing the change by hand.
9552 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
9554 * rtlanal.c (set_noop_p): Return true for noop jumps.
9556 * expr.c (emit_single_push_insn): Add call to push expander.
9557 * expr.h (optab_index): Add OTI_push
9558 (push_optab): New constant.
9559 * genopinit.c (optabs): Add push_optab.
9560 * optabs.c (init_optab): Init push optab.
9561 * md.texi (push??1): Document
9563 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9565 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
9566 expand to emit the pattern; put a REG_INC note for push/pop
9568 ("movdf", "movdf_internal"): Likewise.
9569 ("movsi", "movsi_internal"): Likewise.
9570 ("movsf", "movsf_internal"): Likewise.
9571 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
9573 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9575 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
9578 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
9580 * params.def: Change default max inline insns to 100.
9582 2001-07-20 Diego Novillo <dnovillo@redhat.com>
9584 * combine.c (combine_simplify_rtx): Generate a new shift operation
9585 when simplifying the first operand of a (neg (ashift)) expression.
9587 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
9589 * regclass.c (N_REG_INTS): Use only 32 bits per element.
9591 2001-07-20 Kelley Cook <kelley.cook@home.com>
9593 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
9594 information. Move rest into ...
9595 (*-*-solaris): ... here. Eliminate redundant information and
9596 reword necessary packages section. Delete 4.x assembler bug info.
9597 (sparc-sun-*): Merge into ...
9598 (sparc-sun-sunos*): here.
9600 2001-07-20 Catherine Moore <clm@redhat.com>
9602 * config/v850/v850.md (casesi): Generate LABEL_REF
9605 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
9607 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
9608 * i386.c (ix86_zero_extend_to_Pmode): Make global.
9609 * i386.md (strclrsi expander): Use it.
9611 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
9613 * integrate.c (copy_insn_list): handle
9614 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
9615 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
9616 identically as to CODE_LABEL.
9618 * fold-const (fold): Convert A/B/C to A/(B*C) and
9621 * except.c (connect_post_landing_pads): Delete the RESX insns.
9623 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
9625 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
9627 * config/mips/mips.md (nmadd/nmsub): Use macro.
9629 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
9631 * cppinit.c (remove_dup_dir): Make static.
9632 (remove_dup_dirs): Make static. Only warn about preempting a
9633 system directory with a non-system directory.
9635 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
9637 * ifcvt.c (noce_try_store_flag_constants): Correct order
9638 of parameters to trunc_int_for_mode.
9640 2001-07-19 Mark Mitchell <mark@codesourcery.com>
9642 * reorg.c (fill_simple_delay_slots): If an instruction might throw
9643 an exception that will be caught within this function, do not fill
9644 its delay slot with any subsequent instruction.
9646 2001-07-19 Steve Ellcey <sje@cup.hp.com>
9648 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
9649 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
9650 pointer extension instruction.
9651 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
9652 * simplify-rtx.c (simplify_unary_operation) Likewise.
9653 * explow.c (convert_memory_address) Check value of
9654 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
9656 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
9657 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
9658 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
9659 Add Multilib Support.
9660 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
9661 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
9662 Add Multilib Support.
9663 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
9665 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
9666 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
9667 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
9669 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
9671 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
9672 old and new operands in `<', `3' and `b'.
9674 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
9676 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
9677 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
9678 (toplev.o): Don't depend on xcoffout.h.
9679 * c-decl.c: Include debug.h
9680 (duplicate_decls): Use debug hook.
9681 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
9682 (dbx_debug_hooks, xcoff_debug_hooks): Update.
9683 (dbxout_types): Remove.
9684 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
9685 * debug.c (do_nothing_debug_hooks): Update.
9686 (debug_true_tree, debug_nothing_rtx): New.
9687 * debug.h (struct rtx_def): New.
9688 (struct gcc_debug_hooks): New hooks ignore_block,
9689 outlining_inline_function and label.
9690 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
9691 dwarf2out_frame_finish): New.
9692 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
9693 Make static, update prototype.
9694 (dwarf2_debug_hooks): Update.
9695 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
9696 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
9697 * dwarfout.c (dwarf_debug_hooks): Update.
9698 * emit-rtl.c: Include debug.h.
9699 (remove_unnecessary_notes): Use debug hook.
9700 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
9701 (final_scan_insn): Use debug hook.
9702 * integrate.c (output_inline_function): Use debug hook.
9703 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
9704 (sdb_debug_hooks): Update.
9705 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
9706 * toplev.c: Don't include xcoffout.h.
9707 (note_outlining_of_inline_function, debug_ignore_block): Remove.
9708 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
9710 * tree.h (dwarf2out_do_frame): Remove.
9712 2001-07-19 Catherine Moore <clm@cygnus.com>
9714 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
9716 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
9718 * reload1.c (eliminate_regs_in_insn): When updating a set
9719 to the frame pointer to the hardware frame pointer, perform
9720 the update always not just when REPLACE is set.
9722 * reload1.c (choose_reload_regs): Don't inherit a reload
9723 that crosses multiple registers if registers past the first
9724 don't fit in the desired class.
9726 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
9727 when negating constants.
9729 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
9731 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
9732 * doc/tree.texi: Ditto.
9734 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
9735 Jakub Jelinek <jakub@redhat.com>
9737 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
9738 (extract_cie_info): Handle "eh" augmentation properly,
9740 (struct frame_state, __frame_state_for): New.
9742 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9744 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
9745 HANDLE_SYSV_PRAGMA): Define.
9746 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
9748 (copy_object): Caller changed.
9750 2001-07-19 Andreas Schwab <schwab@suse.de>
9752 * configure.in (assembler dwarf2 debug_line support): Define nop
9754 * configure: Regenerated.
9756 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
9758 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
9760 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
9761 to conditionally compiled block.
9762 (dbx_debug_hooks, xcoff_debug_hooks): Update.
9763 * dbxout.h (dbxout_function): Remove.
9764 * debug.c (do_nothing_debug_hooks): Update.
9765 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
9766 global_decl, deferred_inline_function.
9767 * dwarf2out.c (dwarf2_debug_hooks): Update.
9768 (dwarf2out_global_decl): New.
9769 * dwarfout.c: Don't include dwarfout.h.
9770 (dwarfout_global_decl, dwarfout_function_decl,
9771 dwarfout_deferred_inline_function): New.
9772 (dwarf_debug_hooks): Update.
9773 * dwarfout.h: Remove.
9774 * final.c: Don't include dwarfout.h.
9775 * sdbout.c (sdbout_global_decl): New.
9776 (sdbout_debug_hooks): Update.
9777 * toplev.c: Don't include dwarfout.h.
9778 (check_global_declarations, rest_of_compilation): Use new debug hooks.
9779 (note_deferral_of_defined_inline_function): Remove.
9780 * toplev.h (note_deferral_of_defined_inline_function): Remove.
9781 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
9782 * ch/lex.c: Don't include dwarfout.h.
9783 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
9784 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
9785 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
9786 * cp/optimize.c: Include debug.h.
9787 (maybe_clone_body): Use debug hook.
9788 * cp/semantics.c: Include debug.h.
9789 (expand_body): Use debug hook.
9790 * po/POTFILES.in: Remove dwarfout.h.
9792 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
9794 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
9795 * c-parse.in (yyerror, _yylex): Similarly.
9796 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
9797 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
9799 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
9800 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
9802 2001-07-18 Jeff Sturm <jsturm@one-point.com>
9804 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
9805 in-class declaration at -g1. Fixes c++/2814.
9807 2001-07-18 Richard Henderson <rth@redhat.com>
9809 * doc/md.texi (reload_in/out): Document restrictions in predicates
9810 and constraints for these patterns. Document empty string matching
9813 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9815 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
9817 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
9819 * cse.c: Undo my previous patch.
9821 2001-07-18 Tom Tromey <tromey@redhat.com>
9824 * configure: Rebuilt.
9825 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
9827 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
9829 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
9830 Jan Hubicka <jh@suse.cz>
9832 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
9833 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
9834 * jump.c (mark_jump_label): Do not forward branches.
9836 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
9838 * cse.c (delete_trivially_dead_insns): Delete the libcall block
9839 when return value is unused.
9841 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
9843 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
9845 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
9847 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
9848 on error. We can't blindly return the result of
9849 pthread_mutex_trylock because it returns a positive number on
9850 error, while we must return -1 on error.
9851 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
9853 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
9855 2001-07-18 Andreas Jaeger <aj@suse.de>
9857 * integrate.c (output_inline_function): Correct type of debug_hooks.
9859 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
9861 * combine.c (combine_simplify_rtx): DIV can be treated
9862 associatively for floats if unsafe math optimisations are enabled.
9864 2001-07-17 Richard Henderson <rth@redhat.com>
9866 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
9868 2001-07-17 Richard Henderson <rth@redhat.com>
9870 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
9871 don't force the function address into a register.
9872 (expand_call, emit_library_call_value_1): Update callers.
9873 * builtins.c (expand_builtin_apply): Likewise.
9874 * expr.h (prepare_call_address): Update decl.
9876 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
9878 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
9880 * config/i386/chorus.h: Move up.
9881 * config/sparc/chorus.h: Likewise.
9882 * config/rs6000/chorus.h: Likewise.
9883 * config/chorus.h: Moved here.
9885 2001-07-17 Andreas Schwab <schwab@suse.de>
9887 * configure.in (assembler eh_frame optimization): Handle big
9889 * configure: Regenerated.
9891 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
9893 * expr.c (epxand_expr): Convert divisions into multiplications by
9894 reciprocals if -ffast-math.
9896 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
9898 * dbxout.c (dbxout_really_begin_function): Rename to
9899 dbxout_begin_function.
9900 (dbx_debug_hooks, xcoff_debug_hooks): Update.
9901 (dbxout_begin_function): Remove.
9902 (dbxout_function): Update.
9903 (dbxout_source_line): Update prototype.
9904 * dbxout.h (dbxout_begin_function): Remove.
9905 * debug.c (do_nothing_debug_hooks): Update.
9906 (debug_nothing_tree): Update.
9907 (debug_nothing_charstar_rtx): Remove.
9908 * debug.h (union tree_node): Declare.
9909 (struct rtx_def): Remove.
9910 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
9911 begin_function. Change source_line prototype.
9912 (debug_nothing_tree): New.
9913 (debug_nothing_charstar_rtx): Delete.
9914 (dwarf2out_begin_prologue): Moved from ...
9916 * dwarf2out.c (dwarf2_debug_hooks): Update.
9917 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
9918 debug info, call dwarf2out_source_line.
9919 (dwarf2out_souce_line): Update prototype.
9920 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
9921 Change prototype, make static.
9922 (dwarfout_source_line): Update prototype.
9923 (dwarf_debug_hooks): Update.
9924 * dwarfout.h (dwarfout_begin_function): Remove.
9925 * final.c (final_start_function, final_scan_insn): Use appropriate
9926 debug hooks, update to use notice_source_line.
9927 (output_source_line): Rename notice_source_line. Don't call the
9928 source_line debug hook.
9929 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
9930 make static, update prototype.
9931 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
9933 (sdbout_end_prologue): New.
9934 (sdbout_source_line): Update prototype.
9935 (sdbout_debug_hooks): Update.
9936 (sdbout_symbol): Remove unused var.
9937 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
9939 * varasm.c: Include debug.h.
9940 (assemble_start_function): Use begin_function debug_hook.
9941 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
9942 update with prototype.
9943 (xcoffout_source_line): Update prototype.
9944 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
9946 (xcoffout_source_line): Update prototype.
9948 2001-07-17 Richard Henderson <rth@redhat.com>
9950 * c-typeck.c (build_binary_op): Do not shorten unsigned
9951 right shift after sign extension.
9953 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
9955 * combine.c (combine_simplify_rtx): Attempt to simplify
9956 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
9958 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
9959 (simplify_binary_operation, simplify_unary_operation,
9960 simplify_relational_operation): Use it.
9962 * combine.c (combine_simplify_rtx): Don't do associative law
9963 on divisions; allow associative law on floats.
9965 2001-07-17 H.J. Lu <hjl@gnu.org>
9966 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9968 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
9969 ASM_OUTPUT_WEAK_ALIAS are defined.
9970 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
9971 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
9973 * config/mips/iris5.h: ... here.
9974 (HANDLE_SYSV_PRAGMA): Defined as 1.
9975 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
9976 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
9979 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9981 * c-parse.in (all_prefix_attributes): New variable.
9982 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
9983 (maybe_resetattrs): New production.
9984 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
9985 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
9986 notype_initdcl, nested_function, notype_nested_function,
9987 component_decl, components, components_notype,
9988 component_declarator, component_notype_declarator,
9989 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
9990 ivars, mydecl, myparm): Update. Avoid prefix attributes just
9991 after a comma being applied to more than one declarator.
9992 * doc/extend.texi (Attribute Syntax): Update. Remove
9993 documentation of bugs that are no longer present.
9995 2001-07-13 Eric Christopher <echristo@redhat.com>
9997 * config/mips/mips.h: Change TUNE_MIPS* options to use
9999 (EXTRA_SPECS): Add cc1_cpu_spec.
10000 * config/mips/mips.md (muldf3): Fix typo.
10002 2001-07-16 Richard Henderson <rth@redhat.com>
10004 * config/m68k/m68k.c: Include expr.h and reload.h.
10005 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
10006 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
10008 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
10009 Richard Henderson <rth@redhat.com>
10011 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
10012 (insn_live_p): Fix fall off end of function.
10013 (dead_libcall_p): Remove COUNTS argument; update callers.
10014 (delete_trivially_dead_insns): Remove unused variables.
10016 2001-07-17 Andreas Jaeger <aj@suse.de>
10018 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
10019 x86-64 pic support.
10021 * lcm.c (optimize_mode_switching): Avoid warning for unused
10022 variable if !NORMAL_MODE.
10024 * flow.c (try_crossjump_to_edge): Remove unused variable.
10026 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
10028 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
10029 atexit declaration in stdlib.h.
10031 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
10033 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
10035 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
10037 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
10038 * except.c (finish_eh_generation): Update call of cleanup_cfg;
10039 do rebuild_jump_labels instead of jump_optimize
10040 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
10041 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
10042 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
10044 * flow.c: Include timevar.h
10045 (find_basic_block): Push/pop timevar;
10046 (cleanup_cfg): Likewise.
10047 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
10048 * Makefile: Add dependencies on timevar.h
10050 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
10051 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
10053 * rtl.h (delete_trivially_dead_insns): Add new parameter.
10054 * toplev.c (rest_of_compilation): Update calls.
10055 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
10056 (delete_trivially_dead_insns): ... here; accept new argument
10057 preserve_basic_blocks; preserve basic blocks if set.
10059 * reg-stack.c (stack_regs_mentioned): Return 0 if
10060 stack_regs_mentioned_data is not initialized.
10061 (reg_to_stack): Make stack_regs_mentioned survive after the
10062 reg-stack is completted; do not call cleanup_cfg.
10063 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
10064 make cleanup_cfg after bb-reorder to output to debug file.
10066 2001-07-16 Richard Henderson <rth@redhat.com>
10068 * regclass.c (init_reg_sets): Use only 32 bits per initializer
10069 from int_reg_class_contents.
10071 2001-07-16 Richard Henderson <rth@redhat.com>
10073 * hard-reg-set.h (regs_invalidated_by_call): Declare.
10074 * regclass.c (regs_invalidated_by_call): Move from cse.c.
10075 (init_reg_sets_1): Move initialization from cse_main.
10076 * cse.c (regs_invalidated_by_call): Move to regclass.c.
10077 (cse_main): Move its initialization also.
10078 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
10079 * flow.c (propagate_one_insn): Likewise.
10080 * gcse.c (compute_hash_table): Likewise.
10081 (compute_kill_rd, compute_store_table): Likewise.
10082 * sched-deps.c (sched_analyze_1): Likewise.
10084 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
10086 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
10089 2001-07-16 Steve Ellcey <sje@cup.hp.com>
10091 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
10092 in if statement so we don't access undefined memory.
10094 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
10096 * gcse.c: Update comment at top.
10097 Update comment on mem handling.
10098 mem_last_set, mem_first_set, mem_set_in_block: gone.
10099 Declaration of reg_set_info: gone.
10100 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
10101 pointless with load_killed_in_block_p (they are *more*
10102 conservative then it, not less, and less accurate).
10103 (oprs_not_set_p): Ditto.
10104 (alloc_gcse_mem): Don't allocate mem_set_in_block
10105 (free_gcse_mem): Don't free it, either.
10106 (record_last_mem_set_info): Update comment in front, remove
10107 mem_*set_* stuff. Note the reason we don't handle stores directly
10109 (compute_hash_table): Update comments to reflect reality. Remove
10110 mem_*set_* references.
10111 (reset_opr_set_tables): Remove mem_*set_* references.
10112 (mark_call): Ditto.
10113 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
10114 (mark_clobber): Ditto (on both parts, we double set here too).
10115 (expr_killed_p): Remove mem_set_in_block test.
10116 (compute_transp): Remove mem_set_in_block test.
10118 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
10119 of edge, and removal of phi alternative to dump file.
10120 (ssa_ccp_substitute_constants): Add note about register now being
10121 constant, and which uses were replaced in what insns to dump file.
10123 2001-07-16 Andreas Jaeger <aj@suse.de>
10125 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
10126 variables of type HOST_WIDEST_INT.
10128 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
10129 (__bb_exit_func): Correct type of count_max to avoid overflow.
10130 (num_digits): Handle long long argument.
10132 * combine.c (gen_lowpart_for_combine): Remove unused variable.
10134 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
10136 * output.h (sdb_begin_function_line): Restore as an extern
10138 * sdbout.c (sdb_begin_function_line): Make extern.
10140 2001-07-15 Richard Henderson <rth@redhat.com>
10142 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
10143 * genrecog.c (maybe_both_true_mode): New.
10144 (maybe_both_true_2): Use it.
10145 (write_switch): Don't put Pmode in a switch.
10146 * rtl.c (mode arrays): Don't explicitly size them.
10148 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
10150 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
10151 handling; move unconditional splitting before mode switching.
10153 * i386.md (type): Add fistp type.
10154 (i387, length_attr, scheduling definitions): Handle this type.
10155 (fix_trunc?f?i2): Revamp to use mode switching.
10156 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
10157 * i386.h (fp_cw_mode): New enum
10158 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
10159 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
10161 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10163 * Makefile.in (integrate.o): Add debug.h.
10164 * integrate.c (debug.h): Add.
10165 (output_inline_function): Save, reset, and restore debug_hooks.
10167 2001-07-15 Richard Henderson <rth@redhat.com>
10169 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
10170 instead of COMPARE for the EQUIV expression.
10172 2001-07-15 Richard Henderson <rth@redhat.com>
10174 * flow.c (redirect_edge_and_branch_force): Initialize
10175 global_live_at_start and global_live_at_end.
10176 (allocate_bb_life_data): Export.
10177 * basic-block.h (allocate_bb_life_data): Declare.
10178 * toplev.c (rest_of_compilation): Call it.
10180 2001-07-15 Richard Henderson <rth@redhat.com>
10182 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
10183 (alpha_tablejump_best_label): New.
10184 * config/alpha/alpha-protos.h: Declare them.
10185 * config/alpha/alpha.md: Use braced strings for code blocks.
10186 (tablejump_osf): Break out add with r29.
10187 (tablejump_osf_internal): Remove.
10188 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
10189 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
10191 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
10193 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
10196 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
10198 * i386-protos.h (ix86_split_fp_branch): Update prototype.
10199 (ix86_fp_jump_nontrivial_p): New.
10200 * i386.md (fp_jcc_?): Update call of split_fp_branch;
10201 use ix86_fp_jump_nontrivial_p.
10202 * i386.c (ix86_fp_jump_nontrivial_p): New.
10203 (ix86_split_fp_branch): Accept code instead of rtx.
10204 (ix86_expand_compare): Expand comparison early in case
10205 doing so is resonably cheap.
10207 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
10209 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
10211 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
10212 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
10214 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
10216 * dbxout.c (dbxout_source_line): Make static, update prototype.
10217 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
10218 (dbxout_init, dbxout_finish, dbxout_source_line,
10219 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
10220 * dbxout.h (dbxout_source_line): Delete.
10221 * debug.c (debug_nothing_file, debug_nothing_file_int,
10222 debug_nothing_file_charstar_rtx): New.
10223 (do_nothing_debug_hooks): Update.
10224 (debug_nothing_void, debug_nothing_charstar_rtx,
10225 dwarf2out_end_epilogue): New.
10226 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
10227 * debug.h (struct rtx_def): Declare.
10228 (gcc_debug_hooks): New hooks source_line, end_epilogue
10230 (debug_nothing_void, debug_nothing_charstar_rtx,
10231 dwarf2out_end_epilogue): New.
10232 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
10233 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
10234 (dwarf2_debug_hooks): Update.
10235 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
10236 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
10237 * dwarf2out.h (dwarf2out_source_line): Remove.
10238 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
10239 Make static, update prototype.
10240 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
10241 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
10242 (dwarf_debug_hooks): Update.
10243 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
10244 dwarfout_end_function): Remove.
10245 * final.c (profile_function): Use debug hooks for ending functions
10247 (output_source_line, final_end_function): Update prototype,
10249 (final_start_function, final_scan_insn): Update.
10250 * output.h (sdb_begin_function_line): Remove.
10251 (final_end_function): Update prototype.
10252 * sdbout.c (sdb_begin_function_line): Make static.
10253 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
10254 (sdbout_source_line): New.
10255 (sdbout_end_epilogue, sdbout_end_function): Make static, update
10257 (sdb_debug_hooks): Update.
10258 (sdbout_init, sdbout_source_line,
10259 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
10260 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
10261 * toplev.c (compile_file, rest_of_compilation): Update.
10262 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
10263 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
10264 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
10265 Update for prototype changes.
10266 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
10267 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
10269 2001-07-15 Richard Henderson <rth@redhat.com>
10271 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
10272 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
10273 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
10274 * config/alpha/alpha.c: Likewise.
10275 * config/alpha/alpha.md: Likewise.
10276 * config/alpha/alpha32.h: Likewise.
10277 * config/alpha/vms.h: Likewise.
10278 (OPEN_VMS): Remove.
10280 2001-07-14 Richard Henderson <rth@redhat.com>
10282 * config/alpha/alpha.md: Use define_constants for unspec values.
10283 Substitute throughout.
10285 2001-07-14 Tim Josling <tej@melbpc.org.au>
10287 * tree.def (EXPON_EXPR) remove. Never supported anyway.
10289 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
10291 * pa.md: Remove unused constraints from define_split's.
10293 2001-04-14 Richard Henderson <rth@redhat.com>
10295 * ifcvt.c (find_cond_trap): Test for exit block.
10297 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
10299 Re-install recently reverted patch.
10300 * emit-rtl.c (try_split): Update mark_jump_label call.
10301 * flow.c (find_sub_basic_blocks): Likewise.
10302 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
10303 jump_back_p): Kill.
10304 (mark_all_labels): Kill second parameter.
10305 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
10306 (rebuild_jump_labels, jump_optimize_minimal): Update call
10307 of jump_optimize_1.
10308 (jump_optimize_1): Kill crossjumping code.
10309 (mark_jump_label): Kill cross_jump parameter.
10310 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
10311 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
10312 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
10314 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
10316 (dump_file_info): Likewise.
10317 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
10318 reorganize passes to do reg-stack first, bb-reorder second.
10319 * invoke.texi (-d letters doc): Remove the jump2 pass.
10321 2001-07-14 Richard Henderson <rth@redhat.com>
10323 * ifcvt.c (find_cond_trap): New.
10324 (find_if_header): Call it.
10325 (merge_if_block): Relax existing jump sanity check.
10326 * jump.c (jump_optimize_1): Remove conditional trap handling.
10328 2001-07-14 Alan Modra <amodra@bigpond.net.au>
10330 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
10332 (insn_refs_are_delayed): Correct comment.
10333 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
10334 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
10335 instead of r31. Make associated insn !TARGET_64BIT, and
10336 provide an additional 64-bit insn that clobbers r2.
10337 (divsi3): Likewise.
10338 (udivsi3): Likewise.
10339 (modsi3): Likewise.
10340 (umodsi3): Likewise.
10342 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
10344 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
10346 * flow.c (redirect_edge_and_branch_force, split_edge,
10347 try_crossjump_to_edge): Use set_block_for_new_insns.
10348 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
10350 2001-07-13 H.J. Lu (hjl@gnu.org)
10352 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
10355 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
10357 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
10359 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
10361 * c-common.c (decl_attributes): Take a pointer to the node to
10362 which attributes are to be attached, and a flags argument.
10363 * c-common.h (enum attribute_flags): New.
10364 (decl_attributes): Update prototype.
10365 * c-decl.c (start_decl, push_parm_decl, finish_struct,
10366 finish_enum, start_function): Update calls to decl_attributes.
10367 * c-parse.in (component_declarator, component_notype_declarator,
10368 label): Update calls to decl_attributes.
10370 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
10372 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
10373 * config/avr/avr.c (legitimate_address_p): Return value changed
10374 from letter to register classes. For better debugging.
10376 2001-07-13 Kazu Hirata <kazu@hxi.com>
10378 * jump.c (reversed_comparison_code_parts): Fix comment typos.
10380 2001-07-13 H.J. Lu (hjl@gnu.org)
10382 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
10384 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
10386 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
10387 correctly for shared configurations.
10388 * config/t-libgcc-pic: New.
10389 * config/{i386,m68k,sparc}/t-openbsd: New.
10390 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
10391 Support -shared. Support debugging libraries with -g.
10392 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
10393 frame information does not emit pointer diffs.
10394 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
10395 emit pointer diffs.
10397 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
10399 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
10401 2001-07-13 David Edelsohn <edelsohn@gnu.org>
10403 * combine.c (try_combine): Ensure const_int pow2 is positive.
10405 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
10407 * config.gcc: Add configuration for s/390.
10408 * config/s390/s390.c: New. Subroutines for code generation.
10409 * config/s390/s390.h: New. Definitions for s/390.
10410 * config/s390/s390-protos.h: New. Prototypes.
10411 * config/s390/linux.h: New. Definitions for linux for s/390.
10412 * config/s390/linux64.h: New. Definitions for linux for zSeries.
10413 * config/s390/t-linux: New. Makefile fragment.
10414 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
10415 * config/s390/fixdfdi.h: New. Fix L_fix*di.
10417 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
10419 * emit-rtl.c (try_split): Update mark_jump_label call.
10420 * flow.c (find_sub_basic_blocks): Likewise.
10421 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
10422 jump_back_p): Kill.
10423 (mark_all_labels): Kill second parameter.
10424 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
10425 (rebuild_jump_labels, jump_optimize_minimal): Update call
10426 of jump_optimize_1.
10427 (jump_optimize_1): Kill crossjumping code.
10428 (mark_jump_label): Kill cross_jump parameter.
10429 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
10430 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
10431 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
10433 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
10435 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
10436 reorganize passes to do reg-stack first, bb-reorder second.
10437 * invoke.texi (-d letters doc): Remove the jump2 pass.
10439 2001-07-12 Steve Ellcey <sje@cup.hp.com>
10441 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
10443 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
10445 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
10447 (verify_flow_info): Make diagnostics prettier.
10449 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
10451 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
10453 * flow.c (outgoing_edges_match): Return early if condition reversal
10456 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
10458 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
10459 (mips_move_2words): When splitting a move into two instructions,
10460 prefix the second address operand with '%D'.
10462 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
10464 * Makefile.in (final.o): Depend on debug.h.
10465 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
10466 (dbx_debug_hooks): Add new hooks.
10467 (xcoff_debug_hooks): New.
10468 * debug.c (debug_nothing_file_int_int): New.
10469 (do_nothing_debug_hooks): Update.
10470 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
10471 (debug_nothing_file_int_int): New.
10472 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
10473 static, update prototype.
10474 (dwarf2_debug_hooks): Update.
10475 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
10476 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
10477 static, update prototype.
10478 (dwarf_debug_hooks): Update.
10479 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
10480 * final.c: Include debug.h.
10481 (final_scan_insn): Use debug hooks when beginning and ending blocks.
10482 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
10483 static, update prototype.
10484 (sdb_debug_hooks): Update.
10485 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
10486 * toplev.c: Distinguish between xcoff and dbx.
10488 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
10489 Call all debug hooks, not just dwarf ones.
10491 2001-07-11 Timothy Wall <twall@redhat.com>
10493 * config.gcc: Add configuration for AIX5/IA64.
10494 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
10495 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
10496 support prefix/suffix code.
10497 * config/ia64/t-aix: New. Makefile fragment.
10498 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
10500 2001-07-11 Kazu Hirata <kazu@hxi.com>
10502 * recog.c (validate_change): Fix a comment typo.
10504 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
10506 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
10507 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
10509 * dbxout.c (dbx_debug_hooks): Add new hooks.
10510 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
10512 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
10514 * dbxout.h (dbxout_start_new_source_file,
10515 dbxout_resume_previous_source_file): Delete.
10516 * debug.c (do_nothing_debug_hooks): Add new hooks.
10517 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
10518 (debug_nothing_int_charstar, debug_nothing_int): New.
10519 * debug.h (gcc_debug_hooks): New hooks define, undef,
10520 start_source_file and end_source_file.
10521 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
10522 (debug_nothing_int_charstar, debug_nothing_int): New.
10523 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
10524 the conditionally compiled section.
10525 (dwarf2out_start_source_file, dwarf2out_end_source_file,
10526 dwarf2out_define, dwarf2out_undef): Make static.
10527 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
10528 dwarf2out_define, dwarf2out_undef): Remove.
10529 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
10530 (dwarfout_start_source_file, dwarfout_end_source_file,
10531 dwarfout_define, dwarfout_undef): Make static.
10532 (dwarfout_start_source_file_check,
10533 dwarfout_end_source_file_check): New.
10534 (dwarfout_define, dwarfout_finish): Update.
10535 * dwarfout.h (dwarfout_start_new_source_file,
10536 dwarfout_resume_previous_source_file, dwarfout_define,
10537 dwarfout_undef): Remove.
10538 * sdbout.c (sdb_debug_hooks): Add new hooks.
10539 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
10541 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
10542 make static, take an arg.
10543 * sdbout.h (sdbout_start_new_source_file,
10544 sdbout_resume_previous_source_file): Delete.
10545 * toplev.c (debug_start_source_file, debug_end_source_file,
10546 debug_define, debug_undef): Delete.
10547 * toplev.h (debug_start_source_file, debug_end_source_file,
10548 debug_define, debug_undef): Delete.
10550 * java/jcf-parse.c: Include debug.h.
10551 (parse_class_file): Update to use debug hooks directly.
10552 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
10554 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10556 * alias.c (set_mem_alias_set): New function.
10557 * rtl.h (set_mem_alias_set): Declare it.
10558 * builtins.c (expand_builtin_return_addr): Call it instead of
10559 using MEM_ALIAS_SET accessor.
10560 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
10561 (get_memory_rtx, expand_builtin_va_arg): Likewise.
10562 (expand_builtin_va_copy):Likewise.
10563 * caller-save.c (setup_save_areas): Likewise.
10564 * calls.c (compute_argument_addresses): Likewise.
10565 * explow.c (set_mem_attributes): Likewise.
10566 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
10567 (expand_assignment, store_constructor_field, store_field): Likewise.
10568 (expand_expr_unaligned): Likewise.
10569 * function.c (assign_stack_temp_for_type): Likewise.
10570 (put_reg_into_stack, gen_mem_addressof): Likewise.
10571 * ifcvt.c (noce_try_cmove_arith): Likewise.
10572 * reload1.c (reload, alter_reg): Likewise.
10573 * config/alpha/alpha.c (get_aligned_mem): Likewise.
10574 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
10575 (alpha_expand_unaligned_store): Likewise
10576 (alpha_expand_unaligned_load_words): Likewise.
10577 (alpha_expand_unaligned_store_words): Likewise.
10578 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
10579 (alpha_expand_epilogue): Likewise.
10580 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
10581 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
10582 * config/i386/i386.c (legitimize_pic_address): Likewise.
10583 * config/i960/i960.c (setup_incoming_varargs): Likewise.
10584 * config/ia64/ia64.c (spill_restore_mem): Likewise.
10585 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
10586 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
10587 * config/mips/mips.c (mips_va_arg): Likewise.
10588 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
10589 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
10590 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
10591 (setup_incoming_varargs, rs6000_va_arg): Likewise.
10592 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
10593 (rs6000_emit_epilogue): Likewise.
10594 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
10595 * config/sparc/sparc.c (sparc_va_arg): Likewise.
10596 * config/v850/v850.c (v850_va_arg): Likewise.
10598 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
10600 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
10601 when fallthru edge is present.
10602 (mege_blocks): Handle case where creation of jump insn
10605 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
10606 CLEANUP_POST_REGSTACK): New constants.
10607 * except.c (finish_eh_generation): Update call of cleanup_cfg,
10608 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
10609 * output.h (cleanup_cfg): Update prototype.
10610 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
10611 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
10612 cleanup_cfg call; kill missleading comment.
10613 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
10614 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
10615 parameter; control optimizations performed using it.
10616 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
10617 try_crossjump_bb): New functions.
10619 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
10621 * pa.c (pa_output_function_prologue): Delete prototype. Make function
10623 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
10624 pa_output_function_prologue.
10625 * pa-protos.h (pa_output_function_prologue): New prototype.
10627 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
10629 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
10630 and low to get correct sign extension in low+high test.
10632 2001-07-11 Janis Johnson <janis@us.ibm.com>
10634 * gcov.c (arcdata): Use gcov_type to fix branch percentage
10635 for large hit count.
10637 * profile.c (branch_prob): Fix .bbg info for computed gotos
10640 2001-07-11 Mark Mitchell <mark@codesourcery.com>
10642 * stmt.c (parse_output_constraint): New function, split out
10644 (expand_asm_operands): ... here. Use parse_output_constraint.
10645 * tree.h (parse_output_constraint): Declare it.
10647 2001-07-11 Richard Henderson <rth@redhat.com>
10649 * bitmap.c: Comment some functions; fiddle whitespace.
10650 (bitmap_free): Don't export.
10651 (bitmap_element_allocate): Use memset.
10652 * bitmap.h (bitmap_free): Don't declare.
10654 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
10656 * gcse.c, lcm.c, sched-deps.c:
10657 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
10659 * flow.c (flow_loops_find): Free dom if we found no loops, since
10660 we aren't going to save it.
10662 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
10665 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
10667 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
10669 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10671 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
10672 #ifndef DWARF2_DEBUGGING_INFO.
10674 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
10676 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
10678 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
10680 * config/mips/mips.c (gen_int_relational): Tell the caller not to
10681 reverse a branch if a NE comparison is implemented with GTU.
10683 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
10684 H.J. Lu <hjl@gnu.org>
10686 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
10687 constant addresses.
10688 (call_internal2): Likewise.
10689 (call_value_internal1): Likewise.
10690 (call_value_internal2): Likewise.
10691 (call_value_multiple_internal1): Likewise.
10692 (call_value_multiple_internal2): Likewise.
10694 2001-07-10 Kazu Hirata <kazu@hxi.com>
10696 * calls.c (emit_library_call_value_1): Fix a comment typo.
10697 * dwarf2out.c (mem_loc_descriptor): Likewise.
10698 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
10700 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
10702 * simplify-rtx.c (simplify_subreg): Fix typo in comment
10704 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10706 * recog.c (offsettable_address_p): Handle LO_SUM case.
10707 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
10708 instead of plus_constant.
10710 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10712 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
10713 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
10715 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10717 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
10718 adjust_address_nv instead of plus_constant.
10720 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
10722 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
10723 dwarf2out.o): Depend on debug.h, wrap long lines.
10724 * dbxout.c: Include debug.h.
10725 (dbx_debug_hooks): New.
10726 (dbxout_init): Make static, take just 2 args.
10727 (dbxout_finish): Make static.
10728 * dbxout.h (dbxout_init, dbxout_finish): Delete.
10729 * debug.c: New file.
10730 * debug.h: New file.
10731 * dwarf2out.c: Include debug.h.
10732 (dwarf2_debug_hooks): New.
10733 (dwarf2out_init): Make static.
10734 (dwarf2out_finish): Make static, take 2 args.
10735 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
10736 * dwarfout.c: Include debug.h.
10737 (dwarf_debug_hooks): New.
10738 (dwarfout_init): Make static.
10739 (dwarfout_finish): Make static, take 2 args.
10740 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
10741 * sdbout.c: Include debug.h.
10742 (sdb_debug_hooks): New.
10743 (sdbout_init): Make static, take 2 args.
10744 * sdbout.h (sdbout_init): Delete.
10745 * toplev.c: Include debug.h.
10746 (debug_hooks): New.
10747 (compile_file): Set deubg_hooks based on command line options.
10748 Use the hooks unconditionally rather than conditional compilation.
10750 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
10752 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
10753 first_insn_after_basic_block_note instead.
10755 * df.c (df_bb_refs_unlink): #if 0 out for now.
10757 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
10759 * ssa.h: Add prototype for ssa_const_prop
10760 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
10761 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
10762 (ssa_fast_dce): Remove unused variable
10764 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
10766 * diagnostic.c (finish_diagnostic): Rename to
10767 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
10770 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
10772 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
10775 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
10776 (dump_file): Only pad the demangled name with spaces if the
10777 mangled name was padded with spaces.
10779 2001-07-10 Bernd Schmidt <bernds@redhat.com>
10781 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
10784 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10786 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
10787 extraction if no direct load if either EXPAND_CONST_ADDRESS or
10788 EXPAND_INITIALIZER.
10790 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
10791 whether can put offset inside LO_SUM to check mode alignment, not size.
10793 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
10795 * doc/tm.texi (Misc): Fix thinko.
10797 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
10799 * regmove.c (replace_in_call_usage): Fix warnings.
10800 * sched-deps.c (add_dependence): Fix warnings.
10801 * simplify-rtx.c (simplify_subreg): Likewise.
10802 Return NULL_RTX instead of NULL.
10804 * reg-stack.c (emit_swap_insn): Eliminate warnings.
10805 (subst_asm_stack_regs): Likewise.
10807 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
10810 * dwarf2out.c (output_call_frame_info): Declare i as int.
10811 (build_abbrev_table): Declare n_alloc as int.
10812 (dwarf2out_finish): Initialize die.
10813 * except.c: Declare sjlj_funcdef_number as unsigned.
10814 (connect_post_landing_pads): Declare j as unsigned.
10815 (convert_to_eh_region_ranges): Initialize call_site.
10816 (output_function_exception_table): Initialize tt_format_size.
10817 * expr.c (move_by_pieces_1): Initialize to1.
10818 (store_constructor): Initialize minelt and maxelt.
10819 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
10820 * function.c (instantiate_decls): Avoid signed/unsigned warning.
10822 * c-decl.c (combine_parm_decls): Unused, remove.
10823 * c-tree.h: Remove prototype for combine_parm_decls.
10825 * reload.c (push_reload): Fix warning.
10826 (regno_clobbered_p): Likewise.
10827 * reload1.c (replace_pseudos_in_call_usage): Likewise.
10828 (reload_combine): Likewise.
10830 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
10831 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
10833 * bitmap.c (bitmap_operation): Change user.
10834 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
10836 2001-07-10 Eric Christopher <echristo@redhat.com>
10838 * config/mips/mips.c (override_options): Fix typo.
10840 2001-07-09 Stan Shebs <shebs@apple.com>
10842 * target.h (struct gcc_target): New fields init_builtins and
10844 * target-def.h (TARGET_INIT_BUILTINS): New macro.
10845 (TARGET_EXPAND_BUILTIN): New macro.
10846 (TARGET_INITIALIZER): Add them.
10847 * builtins.c: Include target.h.
10848 (expand_builtin): Use targetm.expand_builtin.
10849 (default_init_builtins): New function.
10850 (default_expand_builtin): New function.
10851 * expr.h (default_init_builtins): Declare.
10852 (default_expand_builtin): Declare.
10853 * c-common.c (c_common_nodes_and_builtins): Use
10854 targetm.init_builtins.
10855 * defaults.h (MD_INIT_BUILTINS): Remove.
10856 * Makefile.in (builtins.o): Depend on target.h.
10858 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
10859 (TARGET_EXPAND_BUILTIN): Define.
10860 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
10861 (MD_EXPAND_BUILTIN): Remove.
10863 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
10864 (TARGET_EXPAND_BUILTIN): Define.
10865 (c4x_init_builtins): Make endlink arg a local.
10866 (c4x_print_operand): Fix typos in adjust_address usages.
10867 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
10868 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
10869 (MD_EXPAND_BUILTIN): Remove.
10871 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
10872 (TARGET_EXPAND_BUILTIN): Define.
10873 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
10874 (ix86_init_builtins): Call new function only if TARGET_MMX.
10875 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
10876 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
10877 (MD_EXPAND_BUILTIN): Remove.
10879 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
10880 (TARGET_EXPAND_BUILTIN): Define.
10881 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
10882 (MD_EXPAND_BUILTIN): Remove.
10884 * doc/tm.texi: Document these changes.
10886 2001-07-09 Diego Novillo <dnovillo@redhat.com>
10888 * basic-block.h (tree_node): Forward declare if needed.
10889 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
10890 (BLOCK_HEAD_TREE): Define.
10891 (BLOCK_END_TREE): Define.
10892 (struct loops): Rename field 'tree' to 'tree_root'.
10893 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
10895 (flow_loops_tree_build): Rename reference to field 'tree' to
10897 (flow_loops_level_compute): Ditto.
10898 * predict.c (estimate_bb_frequencies): Ditto.
10899 * tree.h (struct tree_common): Add field 'aux'.
10901 2001-07-09 Stan Shebs <shebs@apple.com>
10903 * config/darwin.c (darwin_encode_section_info): Don't mark any
10904 DECL_EXTERNAL node as defined.
10906 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
10908 * pa.c (pa_init_machine_status, pa_mark_machine_status,
10909 pa_free_machine_status, hppa_init_pic_save): Delete.
10910 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
10911 (hppa_profile_hook): Use hppa_pic_save_rtx.
10912 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
10913 hppa_init_pic_save): Delete.
10914 (hppa_pic_save_rtx): Declare.
10915 * pa.md (call, call_value, sibcall, sibcall_value,
10916 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
10918 2001-07-09 Kazu Hirata <kazu@hxi.com>
10920 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
10921 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
10923 2001-07-09 Andreas Jaeger <aj@suse.de>
10925 * output.h: Add declaration of final_forward_branch_p.
10927 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
10929 * varray.c: Include errors.h for internal_error and trim_filename
10932 * Makefile.in (varray.o): Add errors.h.
10934 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
10936 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
10937 * optabs.c (have_add2_insn): Check whether the add insn chosen
10938 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
10939 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
10941 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
10943 * Makefile.in (OBJS): Add ssa-ccp.o
10944 (ssa-ccp.o): Add dependencies.
10945 * toplev.c (DFI_ssa_ccp): New dump file enum.
10946 (dump_file): Add entry for dumping after SSA CCP.
10947 (flag_ssa_ccp): New flag variable.
10948 (f_options): Add -fssa-ccp.
10949 (rest_of_compilation): Run SSA CCP if requested.
10950 * timevar.def (TV_SSA_CCP): New timevar.
10951 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
10952 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
10953 Fix minor typo in SSA DCE documentation.
10954 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
10955 Add documentation for new dump option. Renumber dump files
10958 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
10960 * emit-rtl.c (gen_highpart_mode): New.
10961 * rtl.h (gen_highpart_mode): Declare.
10962 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
10963 operand can be VOIDmode constant.
10965 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
10967 * flow.c (redirect_edge_and_branch_force): New.
10968 (can_fallthru): Ensure that basic blocks are succeeding.
10969 (try_optimize_cfg): Do not delete basic block if it is the last one.
10971 * flow.c (try_redirect_by_replacing_jump): Do not remove
10972 jumps with side effects, unlink chain on fallthru edge;
10973 set block for new jump instruction; avoid basic block to
10974 over by line number note.
10976 * flow.c (try_simplify_condjump): Verify that the condjump
10977 is not always falling trought.
10980 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
10982 * flow.c (forwarder_block_p): Fix for fallthru blocks.
10983 (try_redirect_by_replacing_jump): Update properly the count
10984 and frequency information.
10986 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10988 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
10989 address that is a LO_SUM specially.
10990 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
10992 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
10994 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
10995 (operand_subword): Use them.
10996 (change_address_1): Renamed from change_address; new arg VALIDATE.
10997 * expr.h: Reflect above changes; change_address now macro.
10998 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
11000 * cselib.c (add_mem_for_addr): Likewise.
11001 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
11002 * regmove.c (try_apply_stack_adjustment): Likewise.
11003 * reload.c (push_reload, make_memloc): Likewise.
11004 * reload1.c (eliminate_regs): Likewise.
11005 * simplify-rtx.c (simplify_replace_rtx): Likewise.
11006 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
11008 * combine.c (make_extraction, simplify_shift_const): Likewise.
11009 (gen_lowpart_for_combine): Likewise.
11010 * cse.c (gen_lowpart_if_possible): Likewise.
11011 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
11012 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
11013 * optabs.c (gen_move_insn): Likewise.
11014 * reload1.c (alter_reg): Likewise.
11015 * simplify-rtx.c (simplify_subreg): Likewise.
11016 * stmt.c (expand_anon_union_decl): Likewise.
11017 * recog.c (validate_replace_rtx_1): Likewise.
11019 * Makefile.in (recog.o): Add $(EXPR_H).
11020 * explow.c (stabilize): Call replace_equiv_address.
11021 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
11022 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
11024 2001-07-03 Andrew Haley <aph@redhat.com>
11026 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
11027 the mode of the memory location.
11029 2001-07-09 Bo Thorsen <bo@suse.co.uk>
11031 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
11033 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
11035 * final.c (output_addr_const): Use target opening and
11036 closing parentheses.
11037 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
11038 defaults, add to TARGET_ASM_OUT.
11039 * target.h (struct gcc_target): Add open_paren and close_paren.
11040 * doc/md.texi: Update.
11041 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
11042 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
11043 TARGET_ASM_CLOSE_PAREN.
11044 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
11046 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
11048 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
11049 * config/a29k/a29k.h: Similarly.
11050 * config/alpha/alpha.h: Similarly.
11051 * config/arc/arc.h: Similarly.
11052 * config/arm/aof.h: Similarly.
11053 * config/arm/aout.h: Similarly.
11054 * config/avr/avr.h: Similarly.
11055 * config/c4x/c4x.h: Similarly.
11056 * config/clipper/clipper.h: Similarly.
11057 * config/convex/convex.h: Similarly.
11058 * config/d30v/d30v.h: Similarly.
11059 * config/dsp16xx/dsp16xx.h: Similarly.
11060 * config/elxsi/elxsi.h: Similarly.
11061 * config/fr30/fr30.h: Similarly.
11062 * config/h8300/h8300.h: Similarly.
11063 * config/i370/i370.h: Similarly.
11064 * config/i386/i386.h: Similarly.
11065 * config/i860/i860.h: Similarly.
11066 * config/i960/i960.h: Similarly.
11067 * config/ia64/ia64.h: Similarly.
11068 * config/m32r/m32r.h: Similarly.
11069 * config/m68hc11/m68hc11.h: Similarly.
11070 * config/m68k/m68k.h: Similarly.
11071 * config/m88k/m88k.h: Similarly.
11072 * config/mcore/mcore.h: Similarly.
11073 * config/mips/mips.h: Similarly.
11074 * config/mn10200/mn10200.h: Similarly.
11075 * config/mn10300/mn10300.h: Similarly.
11076 * config/ns32k/ns32k.h: Similarly.
11077 * config/pa/pa.h: Similarly.
11078 * config/pdp11/pdp11.h: Similarly.
11079 * config/pj/pj.h: Similarly.
11080 * config/romp/romp.h: Similarly.
11081 * config/rs6000/rs6000.h: Similarly.
11082 * config/sh/sh.h: Similarly.
11083 * config/sparc/sparc.h: Similarly.
11084 * config/v850/v850.h: Similarly.
11085 * config/vax/vax.h: Similarly.
11086 * config/we32k/we32k.h: Similarly.
11088 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
11090 * doc/c-tree.texi: Document representation of attributes.
11092 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
11094 * doc/tm.texi: Update some places for the rename of target to
11097 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
11099 * target.h (struct gcc_target): Add insert_attributes.
11100 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
11101 (TARGET_INITIALIZER): Update.
11102 * tree.c, tree.h (default_insert_attributes): New function.
11103 Update comments on other default functions to refer to targetm,
11105 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
11106 TARGET_INSERT_ATTRIBUTES.
11107 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
11108 * c-common.c (decl_attributes): Use targetm.insert_attributes.
11109 Don't use PRAGMA_INSERT_ATTRIBUTES.
11110 * Makefile.in (c-common.o): Depend on $(TARGET_H).
11111 * c-decl.c (start_decl, start_function): Don't call
11112 SET_DEFAULT_DECL_ATTRIBUTES.
11113 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
11114 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
11116 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
11117 (c4x_check_attribute): Avoid modifying attribute list itself.
11118 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
11120 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
11121 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
11123 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
11124 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
11126 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
11127 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
11129 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
11130 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
11131 Adjust parameters. Make static.
11133 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
11135 * c-common.c (decl_attributes): Only take a single attributes
11137 * c-common.h (decl_attributes): Update prototype.
11138 * c-decl.c (start_decl, start_function): Only take a single
11139 attributes parameter. Update calls to decl_attributes.
11140 (finish_struct, finish_enum): Update calls to decl_attributes.
11141 (push_parm_decl): Expect unified list of attributes. Update call
11142 to decl_attributes.
11143 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
11144 notype_nested_function, component_declarator,
11145 component_notype_declarator, label): Update calls to
11147 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
11148 lists that are passed to push_parm_decl.
11149 * c-tree.h (start_function, start_decl): Update prototypes.
11150 * config/sh/sh-protos.h, config/sh/sh.c
11151 (sh_pragma_insert_attributes): Only take a single attributes
11153 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
11154 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
11155 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
11156 build_module_descriptor, generate_static_references,
11157 generate_strings, build_selector_translation_table,
11158 generate_descriptor_table, generate_protocols,
11159 generate_ivars_list, generate_dispatch_table,
11160 generate_protocol_list, generate_category,
11161 generate_shared_structures, really_start_method, add_objc_decls,
11162 generate_classref_translation_entry): Update calls to start_decl
11163 and start_function.
11164 (build_tmp_function_decl, start_method_def): Unify attribute lists
11165 that are passed to push_parm_decl.
11167 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
11169 * final.c (no_asm_to_stream): New.
11170 (final_scan_insn): Use target structures for prologue ends
11171 and epilogue starts.
11172 * output.h (no_asm_to_stream): New.
11173 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
11174 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
11175 (TARGET_ASM_OUT): Update.
11176 * target.h (struct gcc_target): New members function_end_prologue
11177 and function_begin_epilogue.
11178 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
11179 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
11180 * config/alpha/alpha.c (output_end_prologue): Rename to
11181 alpha_output_function_end_prologue. Use in target struct
11183 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
11184 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
11185 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
11186 ia64_output_function_end_prologue. Use in target struct
11188 (ia64_function_prologue, ia64_funciton_epilogue): Rename
11189 mistyped prototypes.
11190 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
11191 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
11193 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
11194 an use in target struct, make static.
11195 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
11198 2001-07-08 Richard Henderson <rth@redhat.com>
11200 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
11202 2001-07-08 Richard Henderson <rth@redhat.com>
11204 * config/i386/i386.md: Remove constraints strings from define_split
11205 and define_peephole2 patterns.
11206 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
11207 (eh_return): Use them.
11209 2001-07-08 Richard Henderson <rth@redhat.com>
11211 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
11212 Document MD_FALLBACK_FRAME_STATE_FOR.
11214 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11216 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
11217 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
11219 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
11221 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
11223 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
11224 of the label inside NAME as opposed to just the end of NAME.
11226 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
11228 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
11229 * config/alpha/alpha.c (alpha_init_machine_status,
11230 alpha_mark_machine_status, alpha_free_machine_status): Delete.
11231 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
11232 (vms_valid_decl_attribute_p): Make static, conditionally compile.
11233 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
11235 2001-07-06 Stan Shebs <shebs@apple.com>
11237 * target.h (targetm): Rename global from "target", so as not to
11238 conflict with local variables.
11240 * c-typeck.c: Ditto.
11243 * cp/decl.c: Ditto.
11244 * cp/decl2.c: Ditto.
11245 * cp/typeck.c: Ditto.
11246 * 1750a/1750a.c: Ditto.
11247 * a29k/a29k.c: Ditto.
11248 * arc/arc.c: Ditto.
11249 * arm/arm.c: Ditto.
11250 * avr/avr.c: Ditto.
11251 * clipper/clipper.c: Ditto.
11252 * convex/convex.c: Ditto.
11253 * d30v/d30v.c: Ditto.
11254 * dsp16xx/dsp16xx.c: Ditto.
11255 * elxsi/elxsi.c: Ditto.
11256 * fr30/fr30.c: Ditto.
11257 * h8300/h8300.c: Ditto.
11258 * i370/i370.c: Ditto.
11259 * i386/i386.c: Ditto.
11260 * i860/i860.c: Ditto.
11261 * i960/i960.c: Ditto.
11262 * ia64/ia64.c: Ditto.
11263 * m32r/m32r.c: Ditto.
11264 * m68hc11/m68hc11.c: Ditto.
11265 * m68k/m68k.c: Ditto.
11266 * m88k/m88k.c: Ditto.
11267 * mips/mips.c: Ditto.
11268 * ns32k/ns32k.c: Ditto.
11270 * pdp11/pdp11.c: Ditto.
11271 * romp/romp.c: Ditto.
11272 * rs6000/rs6000.c: Ditto.
11274 * sparc/sparc.c: Ditto.
11275 * vax/vax.c: Ditto.
11276 * we32k/we32k.c: Ditto.
11277 * doc/tm.texi: Update the manual to match.
11279 2001-07-06 Richard Henderson <rth@redhat.com>
11281 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
11282 DWARF2_UNWIND_INFO not just whether it is defined.
11284 2001-07-06 Diego Novillo <dnovillo@redhat.com>
11286 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
11287 call to simplify_binary_operation returns a new pattern.
11289 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
11291 * glimits.h (__SHRT_MAX__): New.
11292 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
11293 (SHRT_MAX): Define in terms of __SHRT_MAX__.
11295 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
11297 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
11300 2001-07-06 Richard Henderson <rth@redhat.com>
11302 * bitmap.c (bitmap_release_memory): Move adjacent to the
11303 allocation functions.
11304 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
11305 the implementation. Binary search for the set bit.
11306 (bitmap_union_of_diff): Allocate the temporary on the stack
11307 instead of using xmalloc.
11309 2001-07-06 Richard Henderson <rth@redhat.com>
11311 * genrecog.c (validate_pattern): Warn for constraints in
11312 define_{expand,split,peephole2}. Remove strict_low_part
11313 before looking up match_dup.
11315 2001-07-06 DJ Delorie <dj@redhat.com>
11317 * doc/gcc.texi (Makefile): Rename to be a more general purpose
11318 chapter about various build hints and history. Add section
11319 talking about the various types of native and cross builds.
11321 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
11323 * Makefile.in (final.o): Depend on target.h.
11324 * final.c: Include target.h.
11325 (default_function_pro_epilogue): New.
11326 (final_start_function): Use target structure for function prologues.
11327 (final_end_function): Use target structure for function epilogues.
11328 * fold-const.c (real_hex_to_f): Constify s and p.
11329 * output.h (default_function_pro_epilogue): New.
11330 * real.h (real_hex_to_f): Update prototype.
11331 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
11332 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
11333 (TARGET_INITIALIZER): Update.
11334 * target.h (gcc_target): Add struct asm_out.
11335 * doc/tm.texi: Update.
11338 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
11339 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
11340 in cpu/cpu.c, or rename old functions consistently. Take
11341 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
11342 redundant macros and prototypes. Make new functions static.
11344 * 1750a/1750a.c: Similarly.
11345 * 1750a/1750a.h: Similarly.
11346 * a29k/a29k-protos.h: Similarly.
11347 * a29k/a29k.c: Similarly.
11348 * a29k/a29k.h: Similarly.
11349 * arc/arc-protos.h: Similarly.
11350 * arc/arc.c: Similarly.
11351 * arc/arc.h: Similarly.
11352 * arm/arm-protos.h: Similarly.
11353 * arm/arm.c: Similarly.
11354 * arm/arm.h: Similarly.
11355 * avr/avr-protos.h: Similarly.
11356 * avr/avr.c: Similarly.
11357 * avr/avr.h: Similarly.
11358 * clipper/clipper-protos.h: Similarly.
11359 * clipper/clipper.c: Similarly.
11360 * clipper/clipper.h: Similarly.
11361 * convex/convex.c: Similarly.
11362 * convex/convex.h: Similarly.
11363 * d30v/d30v-protos.h: Similarly.
11364 * d30v/d30v.c: Similarly.
11365 * d30v/d30v.h: Similarly.
11366 * d30v/d30v.md: Similarly.
11367 * dsp16xx/dsp16xx-protos.h: Similarly.
11368 * dsp16xx/dsp16xx.c: Similarly.
11369 * dsp16xx/dsp16xx.h: Similarly.
11370 * elxsi/elxsi.c: Similarly.
11371 * elxsi/elxsi.h: Similarly.
11372 * fr30/fr30.c: Similarly.
11373 * fr30/fr30.md: Similarly.
11374 * h8300/h8300-protos.h: Similarly.
11375 * h8300/h8300.c: Similarly.
11376 * h8300/h8300.h: Similarly.
11377 * i370/i370-protos.h: Similarly.
11378 * i370/i370.c: Similarly.
11379 * i370/i370.h: Similarly.
11380 * i386/i386.c: Similarly.
11381 * i386/osf1elf.h: Similarly.
11382 * i386/osfrose.h: Similarly.
11383 * i860/i860-protos.h: Similarly.
11384 * i860/i860.c: Similarly.
11385 * i860/i860.h: Similarly.
11386 * i960/i960-protos.h: Similarly.
11387 * i960/i960.c: Similarly.
11388 * i960/i960.h: Similarly.
11389 * ia64/ia64-protos.h: Similarly.
11390 * ia64/ia64.c: Similarly.
11391 * ia64/ia64.h: Similarly.
11392 * m32r/m32r-protos.h: Similarly.
11393 * m32r/m32r.c: Similarly.
11394 * m32r/m32r.h: Similarly.
11395 * m68hc11/m68hc11-protos.h: Similarly.
11396 * m68hc11/m68hc11.c: Similarly.
11397 * m68hc11/m68hc11.h: Similarly.
11398 * m68k/crds.h: Similarly.
11399 * m68k/dpx2.h: Similarly.
11400 * m68k/m68k-protos.h: Similarly.
11401 * m68k/m68k.c: Similarly.
11402 * m68k/m68k.h: Similarly.
11403 * m68k/news.h: Similarly.
11404 * m88k/m88k-protos.h: Similarly.
11405 * m88k/m88k.c: Similarly.
11406 * m88k/m88k.h: Similarly.
11407 * mips/mips-protos.h: Similarly.
11408 * mips/mips.c: Similarly.
11409 * mips/mips.h: Similarly.
11410 * ns32k/merlin.h: Similarly.
11411 * ns32k/ns32k.c: Similarly.
11412 * ns32k/ns32k.h: Similarly.
11413 * ns32k/tek6000.h: Similarly.
11414 * pa/pa-protos.h: Similarly.
11415 * pa/pa.c: Similarly.
11416 * pa/pa.h: Similarly.
11417 * pdp11/2bsd.h: Similarly.
11418 * pdp11/pdp11-protos.h: Similarly.
11419 * pdp11/pdp11.c: Similarly.
11420 * pdp11/pdp11.h: Similarly.
11421 * romp/romp-protos.h: Similarly.
11422 * romp/romp.c: Similarly.
11423 * romp/romp.h: Similarly.
11424 * rs6000/rs6000-protos.h: Similarly.
11425 * rs6000/rs6000.c: Similarly.
11426 * rs6000/rs6000.h: Similarly.
11427 * rs6000/sysv4.h: Similarly.
11428 * sh/sh-protos.h: Similarly.
11429 * sh/sh.c: Similarly.
11430 * sh/sh.h: Similarly.
11431 * sparc/sparc-protos.h: Similarly.
11432 * sparc/sparc.c: Similarly.
11433 * sparc/sparc.h: Similarly.
11434 * vax/vax.c: Similarly.
11435 * vax/vax.h: Similarly.
11436 * vax/vms.h: Similarly.
11437 * we32k/we32k.c: Similarly.
11438 * we32k/we32k.h: Similarly.
11440 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
11442 * basic-block.h (first_insn_after_basic_block_note): Declare.
11443 * flow.c (first_insn_after_basic_block_note): Define. Moved
11445 * ssa.c (first_insn_after_basic_block_note): Remove.
11446 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
11448 (ssa_eliminate_dead_code): Properly update the CFG and PHI
11449 nodes when we find a dead conditional branch. Insert BARRIERs
11450 after any blocks with no successors, but which do not have
11453 2001-07-06 Zack Weinberg <zackw@stanford.edu>
11455 * varray.c (varray_check_failed): Use internal_error.
11457 2001-07-05 Andrew Haley <aph@redhat.com>
11459 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
11460 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
11461 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
11463 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
11465 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
11466 reference if the target constant is also a SYMBOL_REF.
11468 2001-07-05 Eric Christopher <echristo@redhat.com>
11470 * config/mips/mips.h (MASK_MIPS3900): Remove.
11471 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
11472 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
11473 (TARGET_MIPS3900): Change to use mips_arch.
11474 (TARGET_MIPS4000): New.
11475 (TARGET_MIPS4100): New.
11476 (TARGET_MIPS4300): New.
11477 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
11478 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
11480 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
11481 (ISA_HAS_BRANCHLIKELY): To here.
11482 (CC1_CPU_SPEC): New.
11483 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
11484 (mips_arch_string): Declare.
11485 (mips_arch): Declare.
11486 (TARGET_OPTIONS): Add -march and -mtune.
11488 * config/mips/mips.c (mips_arch_string): New.
11490 (override_options): Handle -march for codegen and -mtune
11491 for scheduling. Use mips_arch. Move tx39 target default here.
11492 (mips_parse_cpu): Move error message to override_options.
11494 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
11496 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
11498 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
11499 (MIPS Options): Ditto. Change mcpu entry to historical text.
11501 2001-07-05 H.J. Lu (hjl@gnu.org)
11503 * config/mips/mips.c (mips_parse_cpu): New function to parse
11506 2001-07-05 Jim Wilson <wilson@redhat.com>
11508 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
11509 * config/ia64/t-ia64: Likewise.
11510 (LIB1ASMFUNCS): Update comment.
11512 2001-07-05 David Edelsohn <edelsohn@gnu.org>
11514 * doc/install.texi (Install GCC: Binaries): Fix typo.
11516 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11518 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
11519 reference using the stack pointer, adjust it since we push Y
11521 ("*ashrsi3"): Likewise.
11522 ("*lshrsi3"): Likewise.
11524 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11526 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
11527 when -fomit-frame-pointer is used.
11529 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
11531 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
11532 (try_redirect_by_replacing_jump): Reverse updating properly the
11533 count and frequency information. Reverse removing cc0 setter.
11534 (forwarder_block_p): Reverse fixing for fallthru blocks.
11536 2001-07-05 DJ Delorie <dj@redhat.com>
11538 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
11539 (translate_options): If the above is defined, use it to map
11540 given options to new options.
11541 * doc/tm.texi: Document it.
11543 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
11544 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11546 * doc/invoke.texi (Optimize Options): Document that -fgcse may
11547 cause programs using computed gotos to run more slowly.
11549 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11551 * doc/install.texi (Specific): Markup, spelling and typo fixes.
11553 Consistently require binutils 2.11.2, not prereleases.
11554 (Specific, decstation-*): Canonicalize as mips-dec-*.
11555 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
11557 (Specific, m68k-altos): Removed reference to README.altos, deleted.
11558 (Specific, mips-*): Reword MIPS C compiler requirements.
11559 (Specific, powerpc*-*-*): New, mention --with-cpu once.
11560 (Specific, sunv5): Removed, obsolete.
11562 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
11564 * dwarf2out.c (output_loc_list): Use an all ones mask for
11565 .text asm output and don't rely on long long
11566 literals. Reformat some long lines.
11568 2001-07-05 Andreas Jaeger <aj@suse.de>
11570 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
11573 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
11575 * dwarf2out.c (dwarf2out_define): Update comment.
11576 (dwarf2out_undef): Ditto.
11577 (dwarf2out_start_source_file): Ditto.
11578 (dwarf2out_end_source_file): Ditto.
11579 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
11580 since we never call the start/end debug hook for the primary file.
11582 2001-07-04 Kazu Hirata <kazu@hxi.com>
11584 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
11587 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
11589 * cppinit.c (remove_dup_dirs): Inform if a system include
11590 directory is being reordered.
11591 * doc/invoke.texi (Directory Options): GCC warns if you hide a
11593 * doc/cpp.texi (Search Paths): Likewise.
11594 * doc/gcc.texi (Interoperation): Remove information about
11597 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
11599 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
11600 (VARRAY_TOP_CHAR_PTR): Likewise.
11602 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11604 * gcc.c (process_command): Don't assign elements of a const char*.
11606 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11608 * emit-rtl.c (change_address): Don't abort if invalid address while
11609 reload is in progress.
11611 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
11613 * c-lex.c (cb_file_change): Pass line number to
11614 debug_start_source_file.
11615 (cb_undefine): Pass correct line number to debug_undef.
11617 * toplev.c (debug_start_source_file): Add line number to
11618 parameters. Pass it along to dwarf2out_start_source_file.
11619 (decode_g_option): Stop resetting debug level back to normal when
11620 we change debug formats, unless the current level is
11621 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
11624 * toplev.h (debug_start_source_file): Add line number to
11627 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
11630 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
11632 Output debug_macinfo data for starting file if requested.
11633 (dwarf2out_end_source_file): Output debug_macinfo data for ending
11635 (dwarf2out_define): Output debug_macinfo data for defining a macro
11637 (dwarf2out_undef): Output debug_macinfo data for undefining a
11638 macro if requested.
11639 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
11640 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
11641 (macinfo_section_label): New. DWARF2 macro info section label.
11642 (dwarf2out_init): If we want macro info, output the start label
11644 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
11645 attribute to the compilation unit die pointing to the macro info.
11647 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
11649 * dwarf2out.c (new_loc_list): Move to inside #ifdef
11650 DWARF2_DEBUGGING_INFO.
11651 (add_loc_descr_to_loc_list): Ditto.
11652 (output_loc_list): Ditto.
11653 Also, fix thinko in curr not being initialized.
11654 (gen_internal_sym): Ditto.
11656 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11658 * emit-rtl.c (replace_equiv_address): New function.
11659 * expr.h (replace_equiv_address): New declaration.
11660 * explow.c (validize_mem): Call it instead of change_address and
11661 also call if -fforce-addr and address is constant.
11662 * expr.c: Replace more calls to change_address with adjust_address
11663 and/or replace_equiv_address or to validize_mem.
11664 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
11665 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
11666 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
11667 * config/i370/i370.md, config/i860/i860.md: Likewise.
11668 * config/i960/i960.md, config/mips/mips.c: Likewise.
11669 * config/mips/mips.md, config/pa/pa.md: Likewise.
11670 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
11671 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
11673 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11675 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
11677 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
11680 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
11682 * doc/include: New directory.
11683 * doc/fdl.texi: Move to doc/include/fdl.texi.
11684 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
11685 * doc/include/funding.texi, doc/include/gpl.texi: New files.
11686 * doc/gcc.texi: Use funding.texi and gpl.texi.
11687 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
11688 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
11689 Update dependencies and use -I $(docdir)/include.
11691 2001-07-04 Anthony Green <green@redhat.com>
11693 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
11695 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11697 * doc/install.texi (sparc64-*-*): Remove garbage.
11699 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
11701 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
11702 Fix typo in last change to use adjust_address.
11704 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11706 * doc/install.texi (Specific): Update information for *-*-solaris*.
11708 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11710 * explow.c (plus_constant_wide): Reinitialize Y for restart.
11712 2001-07-03 Stan Shebs <shebs@apple.com>
11714 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
11715 case for flag_no_mach_text_sections.
11716 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
11717 * config/darwin.c (flag_no_mach_text_sections): Remove.
11718 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
11720 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11722 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
11723 and avoid checking for constant as first operand.
11724 * recog.c (find_constant_term_loc): No longer static.
11725 (adj_offettable_operand): Delete.
11726 * rtl.h (adj_offsettable_operand): Delete declaration.
11727 (find_constant_term): Add declaration.
11728 * caller-save.c: Replace calls to adj_offsettable_operand with calls
11730 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
11731 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
11732 * config/i386/i386.c, config/i386/i386.md: Likewise.
11733 * config/i860/i860.c, config/i960/i960.c: Likewise.
11734 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
11735 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
11736 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
11737 * config/mips/mips.c, config/mips/mips.md: Likewise.
11738 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
11739 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
11740 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
11741 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
11742 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
11743 * config/ns32k/ns32k.md: Likewise.
11745 2001-07-03 Zack Weinberg <zackw@stanford.edu>
11747 * rtl.c (copy_rtx): Handle 'T' format letter.
11748 * gensupport.c (collect_insn_data): Likewise.
11749 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
11751 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
11753 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
11754 -B option. Use 'dir' not 'foo' as example directory name.
11756 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11758 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
11759 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
11761 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
11763 * doc/cppinternals.texi: Improve formatting and logical markup.
11765 2001-07-03 Andreas Jaeger <aj@suse.de>
11767 * Makefile.in (insn-recog.o): Add dependency on reload.h.
11769 * genrecog.c (write_header): Include reload.h for prototypes in
11772 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
11775 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
11776 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
11777 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
11778 i386_pe_valid_type_attribute_p): Add.
11779 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
11780 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
11782 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11784 * explow.c (plus_constant_wide, case LO_SUM): New case.
11785 (plus_constant_for_output_wide): Delete.
11786 * rtl.h (plus_constant_for_output): Delete.
11787 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
11788 instead of plus_constant_for_output.
11789 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
11790 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
11791 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
11792 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
11793 * config/sparc/sparc.md: Likewise.
11794 Convert some change_address calls to adjust_address.
11796 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
11798 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
11799 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
11800 documentation of -std and -Wwrite-strings.
11802 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
11804 * cse.c (canon_hash): Don't register registers in very small
11805 register classes, as extending their lifetime might cause
11808 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
11810 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
11812 * flow.c (forwarder_block_p): Fix for fallthru blocks.
11813 (try_redirect_by_replacing_jump): Update properly the count
11814 and frequency information.
11816 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
11818 * toplev.c (dump_file_index): Move SSA dumps just after first
11820 (dump_file): Corresponding changes.
11821 (rest_of_compilation): Move SSA path to just after the first
11823 * doc/gcc.texi (Passes): Update due to movement of SSA path.
11824 * doc/invoke.texi: Update dump file #s as they were completely
11825 out of date with reality.
11827 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
11829 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
11831 * expr.c (emit_move_insn_1): Deal with non-default
11834 * expr.c (emit_single_push_insn): Fix warning.
11836 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
11838 * expr.c (emit_move_insn_1): Avoid modifying
11839 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
11841 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11843 * emit-rtl.c (adjust_address): New function.
11844 * expr.h (adjust_address): Add declaration.
11845 * builtins.c: Replace some calls to change_address with calls to it
11846 or to validize_mem.
11847 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
11848 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
11849 * config/arm/arm.c, config/convex/convex.c: Likewise.
11850 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
11851 * config/i386/i386.c, config/i386/i386.md: Likewise.
11852 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
11853 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
11854 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
11855 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
11856 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
11858 2001-07-02 Jim Wilson <wilson@redhat.com>
11860 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
11862 2001-07-02 Steve Ellcey <sje@cup.hp.com>
11864 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
11865 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
11867 2001-07-02 Zack Weinberg <zackw@stanford.edu>
11869 * cppinit.c (lang_defaults): New table.
11870 (set_lang): Just read from lang_defaults into the live options
11873 2001-07-02 Zack Weinberg <zackw@stanford.edu>
11875 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
11876 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
11877 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
11879 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11881 * doc/install.texi: Various spelling and markup fixes.
11882 (Installing GCC): Component specific installation instructions are
11885 Warn about removing old install dir in the presence of shared libs.
11886 (Configuration): Invoke with options target to match configure
11888 Consistently refer to gas, gld pathnames.
11889 Invert --enable-multilib documentation.
11890 Remove references to old compiler versions.
11892 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11894 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
11896 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11898 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
11900 (Specific, mips*-sgi-irix5): Note IDO download.
11901 Reworded MIPS C hints.
11902 Use GNU as instead of GAS.
11904 Removed SGI Freeware reference, IRIX 6 only.
11905 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
11906 Note N64 library requirement/workaround.
11908 Complete list of structure passing bug victims.
11910 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11912 * doc/install.texi: Remove CVS Id.
11914 2001-07-02 Andreas Jaeger <aj@suse.de>
11916 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
11917 (find_inherently_necessary): Remove unused variable.
11919 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
11921 * c-common.h (TDI_inlined): New ast dump phase.
11922 (dump_flag_name): New function.
11923 * c-dump.c (dump_files): Add inlined phase.
11924 (dump_flag_name): Define.
11925 * doc/invoke.texi (-fdump-ast-inlined): Document.
11927 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11929 * stor-layout.c (layout_decl): Revert change to handling of alignment
11932 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11934 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
11937 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
11939 * doc/tm.texi (FUNCTION_ARG): Document that the last call
11942 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
11944 * tlink.c (recompile_files): Remove COMPILER_PATH and
11945 LIBRARY_PATH from the environment.
11947 2001-07-01 Zack Weinberg <zackw@stanford.edu>
11949 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
11950 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
11952 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
11954 * c-parse.in (OBJC_STRING): Kill.
11955 (objc_string): Decompose to [objc_string] '@' STRING.
11956 (reswords): Take the leading '@' off all the Objective C keywords.
11957 (objc_rid_sans_at): Kill.
11958 (init_reswords): Don't initialize it.
11959 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
11960 (_yylex): Kill reconsider label. Look ahead one token after
11961 an '@'; if we get an identifier, check whether it's an
11962 Objective C @-keyword. If so, return the keyword. Otherwise,
11963 put back the token and return the '@' as a terminal.
11965 * cpplib.c (lex_macro_node): Remove unnecessary check for
11966 leading '@' on identifier. Clarify control flow and commentary.
11968 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11970 * cse.c (new_label_ref): Variable deleted.
11971 (insert): Remove set of new_label_ref.
11972 (check_for_label_ref): New function.
11973 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
11975 See ChangeLog.5 for earlier changes.