1 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4 is enabled at -O and above.
6 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
12 2006-05-25 Mark Mitchell <mark@codesourcery.com>
15 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
16 for anonymous variables explicitly declared by front ends.
18 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
20 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
21 (struct alias_info): Add new field ref_all_symbol_mem_tag.
22 * tree-ssa-alias.c (compute_may_aliases): If the program contains
23 ref-all pointers, run a finalization pass for them.
24 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
25 (finalize_ref_all_pointers): New function.
26 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
27 regular pointer type to a ref-all pointer type.
28 (get_tmt_for): Return the special memory tag for ref-all pointers.
30 2006-05-25 Richard Guenther <rguenther@suse.de>
33 * fold-const.c (fold_binary): Do not look at the stripped
34 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
36 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
38 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
39 for LT and GT if the computed range is effectively empty.
41 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
44 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
45 mips_quad_format formats instead of ieee_single_format,
46 ieee_double_format and ieee_quad_format formats, respectively.
48 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
50 PR tree-optimization/27639
51 PR tree-optimization/26719
52 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
53 call to scev_probably_wraps_p.
54 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
55 used_in_pointer_arithmetic_p, convert_step): Removed.
56 (nowrap_type_p): New function.
57 (scev_probably_wraps_p): Rewritten.
58 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
59 chrec_convert if chrec_convert_aggressive might have been used.
60 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
61 scev_direction): New functions.
62 (chrec_convert): Changed to a wrapper over chrec_convert_1.
63 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
64 instead of convert_step.
65 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
66 (convert_step): Declaration removed.
67 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
69 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
71 * df-core.c: Added to header comments.
72 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
73 df_ur_bb_info, df_urec_bb_info): Added comments.
74 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
75 urec, ri problems): Fixed header comments.
76 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
77 code from df_rd_transfer_function.
79 2006-05-23 Richard Sandiford <richard@codesourcery.com>
81 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
82 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
83 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
85 2006-05-23 Joseph Myers <joseph@codesourcery.com>
87 * expr.c (undefined_operand_subword_p): New.
88 (emit_move_multi_word): Do not generate move from undefined bits
89 of a paradoxical subreg.
91 2006-05-23 Richard Sandiford <richard@codesourcery.com>
93 PR rtl-optimization/27736
94 * combine.c (replaced_rhs_value): New variable.
95 (combine_instructions): Set it.
96 (distribute_notes): When distributing a note in replaced_rhs_insn,
97 check whether the value was used in replaced_rhs_value.
99 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
102 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
103 add_referenced_var instead of add_referenced_tmp_var.
104 * tree-complex.c (create_one_component_var): Use add_referenced_var.
105 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
107 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
108 tree_optimize_tail_calls_1): Use add_referenced_var.
109 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
110 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
111 Use add_referenced_var.
112 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
113 * gimplify.c (force_gimple_operand): Use add_referenced_var.
114 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
115 Use add_referenced_var.
116 * tree-dfa.c (struct walk_state): Remove.
117 (find_referenced_vars): Remove walk state and vars_found hash table.
118 (make_rename_temp): Use add_referenced_var.
119 (find_vars_r): Pass less parameters to add_referenced_var.
120 (referenced_var_p): New. Is var in referenced_var hash table.
121 (referenced_var_insert): Assert var isn't already in hash table.
122 (add_referenced_var): Don't need walk_state parameter. Add var if it
123 isn't already in the hash table.
124 (add_referenced_tmp_var): Remove.
125 (find_new_referenced_vars_1): Use add_referenced_var.
126 * tree-ssa-pre.c (create_expression_by_pieces,
127 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
128 Use add_referenced_var.
129 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
130 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
131 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
133 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
134 vect_create_data_ref_ptr, vect_create_destination_var,
135 vect_init_vector, vect_build_loop_niters,
136 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
137 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
138 Use add_referenced_var.
139 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
140 * tree-flow.h (add_referenced_tmp_var): Remove prototype
141 (add_referenced_var): Add prototype.
142 * tree-ssa-structalias.c (get_constraint_for,
143 intra_create_variable_infos): Use add_referenced_var.
145 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
147 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
148 big-endian paradoxical subregs.
149 * var-tracking.c (struct micro_operation_def): Document that,
150 for modify micro operations, insn is the subsequent instruction.
151 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
152 (var_reg_set, var_mem_set): ... new functions.
153 (add_stores): Record subsequent insn.
154 (compute_bb_dataflow): Use new functions for MO_USE.
155 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
156 notes after the insn, and modify notes before the insn known
157 to be the subsequent one.
158 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
160 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
163 * config/i386/i386.c (ix86_expand_builtin): Use
164 gen_sse3_monitor64 for TARGET_64BIT.
166 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
168 PR rtl-optimization/26375
169 PR rtl-optimization/26855
170 * df-problems (df_ru_bb_local_compute_process_def): Removed update
172 (df_ru_bb_local_compute): Reversed statements and removed bogus
173 comment explaining why they should be in wrong order.
174 (df_ru_dump, df_rd_dump): Enhanced debug info.
175 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
177 * ddg.c (add_deps_for_def): Converted use of reaching defs to
178 reaching uses and fixed space problem.
180 2006-05-23 Jan Hubicka <jh@suse.cz>
182 * cgraphunit.c (decide_is_function_needed): Also nested functions
183 and functions declared inline can be optimized out at -O0.
185 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
187 * doc/install.texi (Configuration): Remove reference to CrossGCC
188 FAQ which was hijacked.
191 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
194 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
195 ix86_compare_emitted is non-NULL.
197 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
200 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
203 2006-05-22 Richard Sandiford <richard@codesourcery.com>
205 PR rtl-optimization/25514
206 * combine.c (replaced_rhs_insn): New variable.
207 (combine_instructions): Set replaced_rhs_insn when trying to replace
208 a SET_SRC with a REG_EQUAL note.
209 (distribute_notes): Use replaced_rhs_insn when determining the live
210 range of a REG_DEAD register.
212 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
213 Anatoly Sokolov <aesok@post.ru>
215 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
216 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
217 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
218 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
219 atmega3290, atmega649, atmega6490, atmega406, atmega640,
220 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
221 at90usb647, at90usb1286 and at90usb1287 devices.
222 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
223 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
225 2006-05-22 Richard Sandiford <richard@codesourcery.com>
227 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
229 2006-05-22 Richard Guenther <rguenther@suse.de>
232 2006-01-31 Richard Guenther <rguenther@suse.de>
233 Paolo Bonzini <bonzini@gnu.org>
235 * doc/install.texi (--disable-libgcc-math): Document.
237 2006-05-22 Richard Guenther <rguenther@suse.de>
240 2006-01-31 Richard Guenther <rguenther@suse.de>
242 * doc/invoke.texi (-msselibm): Document.
243 * target.h (expand_library_builtin): New target hook.
244 * builtins.c (expand_builtin): Use expand_library_builtin.
245 (default_expand_library_builtin): New function.
246 * gcc.c (LINK_GCC_MATH_SPEC): Define.
247 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
248 (link_gcc_math_spec): Declare.
249 (static_specs): Add link_gcc_math_spec.
250 * expr.h (default_expand_library_builtin): Declare.
251 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
252 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
253 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
254 * config/i386/i386.opt (msselibm): New target option.
255 * config/i386/i386.c (ix86_builtin_function_variants): New array.
256 (ix86_init_sse_abi_builtins): New function.
257 (ix86_expand_library_builtin): Likewise.
258 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
259 (override_options): Handle error conditions wrt -msselibm.
260 (ix86_builtins): Add function codes for SSE2 ABI builtins.
261 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
262 * doc/extend.texi (__builtin_sse2_*): Document new target specific
265 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
268 * c-common.c (self_promoting_args_p): Skip erroneous args.
271 * c-decl.c (finish_struct): Skip erroneous fields.
273 2006-05-22 Nick Clifton <nickc@redhat.com>
275 * config/cris/cris.opt (march): Remove VarExists attribute.
276 (max-stackframe=): Likewise.
278 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
280 * doc/rtl.texi: Fix a typo.
281 * see.c: Fix comment typos.
283 * tree-ssa-structalias.h (alias_info): Remove num_references.
285 2006-05-21 Mike Stump <mrs@apple.com>
287 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
289 (darwin_pragma_options): Use BAD instead.
290 (darwin_pragma_unused): Likewise.
291 (darwin_pragma_ms_struct): Likewise.
293 2006-05-21 David Edelsohn <edelsohn@gnu.org>
295 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
297 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
299 PR rtl-optimization/27671
300 * simplify-rtx.c (simplify_relational_operation_1): Fix
301 simplifications of (eq/ne (xor x y) y) and
304 PR tree-optimization/26622.
305 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
308 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
310 * tree-cfg.c: Prune whitespace.
311 (debug_tree_cfg): Point to correct header containing the
314 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
317 * cgraphunit.c (verify_cgraph_node): Typo in error message.
319 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
322 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
323 or sorry count is non zero.
325 2006-05-20 Andreas Schwab <schwab@suse.de>
327 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
329 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
330 Kenneth Zadeck <zadeck@naturalbridge.com>
332 PR rtl-optimization/26855
334 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
336 (df_scan_alloc): Added code to properly handle multiword hard
337 registers and add all_blocks parameter.
338 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
339 code to properly handle multiword hard registers.
340 (df_rescan_blocks): Added code to remove deleted blocks from
342 (df_ref_create_structure, df_ref_record): Added code to properly
344 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
345 and set DF_REF_PARTIAL.
346 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
347 (df_uses_record): Added DF_REF_PARTIAL for subreg.
348 (df_scan_add_problem): Added flags parameter.
349 (df_ref_create_structure): Changed switching structure.
350 (df_bb_refs_record): Fixed case where duplicate artificial refs
351 were created. Changed location of flags.
352 (df_record_entry_block_defs): Added code to make stack pointer
353 live in entry block. Refined cases where frame pointer is needed.
354 Changed location of flags.
355 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
356 (df_set_state): Removed function.
357 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
358 df_insn_create_insn_record, df_insn_refs_delete,
359 df_ref_create_structure): Formatting changes.
360 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
361 df_delete_basic_block): New function.
362 (df_init): Changed location of flags.
363 (df_add_problem): Added flags parameter and the way flags are
365 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
366 debug_df_chain): Improved debugging output.
367 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
368 (df_refs_chain_dump): Removed df parameter.
369 (df_iterative_dataflow): Added consistency check.
370 (df_prune_to_subcfg): Made public.
371 (df_analyze_problem): Added blocks_to_init parameter and made
373 (df_ref_record, df_bb_refs_record, df_mark_reg,
374 df_record_exit_block_uses): Whitespace changes.
375 (df_dump): Whitespace changes.
376 * df.h: Some reordering to remove forward references.
377 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
378 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
379 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
380 (dataflow.flags): New field.
381 (df.flag): Deleted field.
382 (df_alloc_function): Added additional bitmap parameter.
383 (df_dependent_problem_function): New type.
384 (df_problem.changeable_flags): New field.
385 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
386 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
387 (df_mw_hardreg): New struct.
388 (DF_INSN_UID_MWS): New macro.
389 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
391 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
392 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
393 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
394 (df_set_state): Removed function.
395 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
396 * df-problems.c (df_chain_dump): Removed df parameter.
397 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
398 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
400 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
401 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
402 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
403 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
404 DF_REF_MUST_CLOBBER cases.
405 (df_ru_bb_local_compute_process_def,
406 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
407 df_lr_bb_local_compute, df_ur_bb_local_compute,
408 df_chain_create_bb): Made subreg aware.
409 (df_ru_bb_local_compute, df_rd_bb_local_compute,
410 df_lr_bb_local_compute, df_lr_bb_local_compute,
411 df_chain_create_bb): Cleanup to use proper macros.
412 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
413 code to fixup bitvectors.
414 (df_ri_alloc): Cleared lifetime.
415 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
416 df_create_unused_note): New function.
417 (df_ri_bb_compute, df_ri_compute): Added code to create/update
418 REG_DEAD and REG_UNUSED notes as well as register information.
419 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
420 df_chains_dump): Fixed crash if problem was never run.
421 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
422 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
423 df_ri_add_problem): Processes flags in uniform manner.
424 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
425 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
426 df_rd_dump, df_urec_free_bb_info): Formatting changes.
427 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
428 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
429 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
430 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
431 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
432 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
433 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
434 * see.c (see_initialize_data): Ditto.
435 * final.c (rest_of_clean_state) Added regstack_completed.
436 * rtl.h (regstack_completed): Ditto.
437 * reg-stack.c (regstack_completed): Ditto.
439 2006-05-19 Mike Stump <mrs@apple.com>
441 * c-tree.h (default_conversion): Remove.
442 * c-common.h (default_conversion): Add.
444 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
446 * tree-vrp.c (valid_value_p): New function.
447 (adjust_range_with_scev): Fail if the value of bound is not
450 2006-05-19 Richard Sandiford <richard@codesourcery.com>
452 * config/mips/linux-unwind.h: Include <asm/unistd.h>
453 (mips_fallback_frame_state): Use syscall numbers to determine
454 the appropriate li instruction for the current ABI. Only use
455 __NR_sigreturn for o32.
457 2006-05-19 Nicolas Setton <setton@adacore.com>
459 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
460 * langhooks.c (lhd_dwarf_name): New function.
461 * langhooks-def.h (lhd_dwarf_name): Declare.
462 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
463 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
464 * ada/misc.c (gnat_dwarf_name): New function.
465 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
467 2006-05-19 Richard Sandiford <richard@codesourcery.com>
469 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
471 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
472 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
473 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
474 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
475 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
476 determine the size of Wtype, etc.
477 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
478 (swfloatfuncs): New variable.
479 (dwfloatfuncs): Likewise.
480 (lib2funcs): Remove floating-point conversion functions from
481 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
482 the set of conversion routines needed. Allow entries to specify
483 an object name, filename and word size. Update users accordingly.
484 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
485 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
489 2006-02-08 Roger Sayle <roger@eyesopen.com>
492 * config/fixtfdi.c: New libgcc source file.
493 * config/fixunstfdi.c: New source file.
494 * config/floatditf.c: New source file.
495 * config/floatunditf.c: New souce file.
496 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
497 files above instead of config/mips/_tilib.c.
498 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
500 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
502 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
503 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
505 2006-05-18 Mike Stump <mrs@apple.com>
507 Fix up vla, vm and [*] sematics.
513 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
514 (c_vla_unspec_p): Add.
516 * c-decl.c (struct c_scope): Add had_vla_unspec.
517 (build_array_declarator): Add support for [*].
518 (grokdeclarator): Likewise.
519 (grokparms): Likewise.
520 (get_parm_info): Likewise.
521 * c-objc-common.c (c_vla_unspec_p): Likewise.
522 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
523 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
524 typeof when argument is a variably modified type not inside sizeof or alignof.
525 (c_parser_direct_declarator_inner): Propagate errors.
526 (c_parser_sizeof_expression): Add support for [*].
527 (c_parser_parms_declarator): Initialize had_vla_unspec.
528 (c_parser_parms_list_declarator): Likewise.
529 * c-typeck.c (c_vla_type_p): Add.
530 (composite_type): Add support for vla compositing.
531 (comptypes_internal): Add support for vla compatibility.
532 (c_expr_sizeof_expr): Evaluate vla arguments.
533 * tree.c (variably_modified_type_p): Update comment for [*].
535 2006-05-18 Michael Matz <matz@suse.de>
538 * config.host: Make assignments to host_xmake_file cumulative.
539 * config.host (*-darwin*): Test $host, not $target.
541 2006-05-12 Stuart Hastings <stuart@apple.com>
543 * config/i386/i386.opt (-mstackrealign): New flag.
544 * config/i386/i386.c (force_align_arg_pointer): New attribute.
545 (ix86_handle_cconv_attribute): Emit error when
546 force_align_arg_pointer attribute collides with too many regparms.
547 (ix86_function_regparm): Limit regparms when used with
548 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
549 Support stack-realigning prologue in non-main functions. Emit
550 warning for nested functions under -mstackrealign, emit error for
551 nested functions with force_align_arg_pointer attribute.
552 * doc/extend.texi (force_align_arg_pointer): Document it.
553 * doc/invoke.texi (-mstackrealign): Document it.
555 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
557 PR rtl-optimization/27477
558 * combine.c (try_combine): Don't split a parallel consisting
559 of two sets into two individual sets if both sets reference
562 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
564 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
565 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
567 * doc/options.texi (VarExists): Updated.
569 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
571 * unwind-dw2.c: Add declarations for uw_update_context and
573 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
574 detected, advance frame state and context once to skip over stub.
576 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
580 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
581 Call rewrite_into_loop_closed_ssa only when something changed.
582 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
583 * lambda-code.c (can_convert_to_perfect_nest): Declared.
584 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
585 Test for perfect_nest_p here. Fix formating.
586 (replace_uses_equiv_to_x_with_y): Fix formating.
587 (stmt_uses_op): Removed.
588 (can_convert_to_perfect_nest): Removed loopivs parameter.
589 Complete the test by checking the scalar dependences.
590 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
593 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
596 From Dan Kegel <dank@kegel.com>:
597 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
599 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
601 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
602 if the element type is variably modified without recursing.
604 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
607 * tree-loop-linear.c (try_interchange_loops): Test for
610 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
612 PR tree-optimization/27548
613 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
614 range of ssa names that appear on abnormal edges.
615 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
616 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
618 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
621 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
623 2006-05-17 Jakub Jelinek <jakub@redhat.com>
626 * tree.h (OMP_PARALLEL_COMBINED): Define.
627 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
628 (new_omp_context): Add is_combined_parallel argument.
629 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
630 new_omp_context caller.
631 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
632 Adjust gimplify_scan_omp_clauses callers.
633 (omp_is_private): Issue errors if iteration variable is firstprivate
634 or reduction in the current context.
635 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
636 on combined parallel workshare constructs.
638 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
640 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
641 (gcc-options.o): New rule.
643 * optc-gen.awk: Protect variables for gcc-options.o with
644 #ifdef GCC_DRIVER/#endif.
646 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
648 Fix PR tree-optimization/27373
649 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
650 (forward_propagate_addr_expr): Update call.
652 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
654 * doc/options.texi: Move the Negative option.
656 2006-05-16 Richard Guenther <rguenther@suse.de>
658 PR tree-optimization/22303
659 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
661 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
662 ccp_fold did not simplify the statement.
664 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
667 * Makefile.in (GCC_OBJS): New.
668 (OBJS-common): Add opts-common.o.
669 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
670 (cpp$(exeext)): Likewise.
671 (gcc.o): Also depend on opts.h.
672 (opts-common.o): New.
674 * common.opt (gcoff): Add Negative(gdwarf-2).
675 (gdwarf-2): Add Negative(gstabs).
676 (gstabs): Add Negative(gstabs+).
677 (gstabs+): Add Negative(gvms).
678 (gvms): Add Negative(gxcoff).
679 (gxcoff): Add Negative(gxcoff+).
680 (gxcoff+): Add Negative(gcoff).
681 * config/i386/i386.opt (m32): Add Negative(m64).
682 (m64): Add Negative(m32).
684 * doc/options.texi: Document the Negative option.
686 * gcc.c: Include "opts.h".
687 (main): Call prune_options after expandargv.
689 * optc-gen.awk: Generate common declarations for all flag
690 variables in options.c. Output the neg_index field.
692 * opts.c (find_opt): Moved to ...
693 * opts-common.c: Here. New file.
695 * opts.h (cl_option): Add a neg_index field.
697 (prune_options): Likewise.
699 2006-05-16 Jakub Jelinek <jakub@redhat.com>
702 * omp-low.c (expand_omp_parallel): Don't assert
703 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
704 instead search for it.
707 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
710 2006-05-16 Andreas Schwab <schwab@suse.de>
712 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
715 2006-05-15 Roger Sayle <roger@eyesopen.com>
718 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
719 integer constants other than zero are only legitimate on TARGET_64BIT.
720 <CONST_VECTOR> Only zero vectors are legitimate.
721 (ix86_cannot_force_const_mem): Integral and vector constants can
722 always be put in the constant pool.
724 2006-05-16 DJ Delorie <dj@redhat.com>
726 * crtstuff.c (__dso_handle): Set section from
727 TARGET_LBIGCC_SDATA_SECTION if defined.
728 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
729 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
731 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
734 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
737 2006-05-16 Ben Elliston <bje@au.ibm.com>
739 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
741 2006-05-15 Per Bothner <per@bothner.com>
743 * tree.c: (last_annotated_node): Use sources_locus typedef.
744 This permits bootstrapping with --enable-mapped-location.
746 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
748 PR tree-optimization/26830
749 * tree-into-ssa.c (struct ssa_name_info): Add age field.
750 (info_for_ssa_name, current_info_for_ssa_name_age,
751 blocks_to_update): New variables.
752 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
753 (clear_ssa_name_info, initialize_flags_in_bb,
754 mark_block_for_update): New functions.
755 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
756 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
757 prepare_def_site_for): Use mark_block_for_update.
758 (mark_def_interesting): Assert that the processed block is marked in
759 blocks_to_update. Do not take blocks argument.
760 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
762 (rewrite_update_init_block, rewrite_update_stmt): Only process
763 blocks with statements to rewrite.
764 (delete_update_ssa): Do not clear SSA_NAME_AUX.
765 (update_ssa): Initialize and free blocks_to_update. Do not
766 clear flags on statements. Do not use blocks bitmap.
767 * tree.h (SSA_NAME_AUX): Removed.
768 (struct tree_ssa_name): Removed aux field.
769 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
771 2006-05-15 Richard Guenther <rguenther@suse.de>
773 PR tree-optimization/27603
774 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
775 Do computations in original type.
777 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
779 * see.c: Code style changes such as redundant paranthesis,
780 redundant intialization of local variables etc.
781 (see_main): Declared now as static.
782 * doc/invoke.texi: Update that -fsee is not enabled by
785 2006-05-15 Jakub Jelinek <jakub@redhat.com>
787 * omp-low.c (check_omp_nesting_restrictions): New function.
788 (scan_omp_1): Call it.
791 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
792 construct, return *VAR.
794 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
796 PR rtl-optimization/27406
797 * bt-load.c (migrate_btr_def): Skip the block having abnormal
800 2006-05-14 Roger Sayle <roger@eyesopen.com>
802 PR rtl-optimization/27538
803 * combine.c (expand_compound_operation): Call gen_lowpart
804 before calling simplify_shift_const.
806 2006-05-14 Roger Sayle <roger@eyesopen.com>
808 PR rtl-optimization/22563
809 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
810 a fixed width bitfield, always force the intermediates into psuedos.
812 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
815 * mkconfig.sh: Use operator = instead of == for test.
817 2006-05-13 Nick Clifton <nickc@redhat.com>
819 * dwarf2out.c (dbx_reg_number): Check return value from
820 LEAF_REG_REMAP and only use it if it is valid.
821 (multiple_reg_loc_descriptor): Likewise.
823 2006-05-13 Richard Guenther <rguenther@suse.de>
825 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
828 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
830 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
831 information attached to non-INSNs such as NOTEs.
832 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
834 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
836 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
838 * config/s390/s390.md: Adjust comment describing On constraint.
840 2006-05-11 Jan Hubicka <jh@suse.cz>
842 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
845 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
848 * fold-const.c (size_binop): Move sanity check for arguments to
849 the beginning of the function.
852 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
855 2006-05-11 Richard Guenther <rguenther@suse.de>
858 * fold-const.c (fold_unary): Handle intermediate conversion
859 to a pointer type like intermediate conversion to an integer
860 type in folding of (T1)(T2)var to var.
861 Match the code to the comment in the final conversion for
862 (T1)(T2)var to (T1)var regarding to type precision. Rather
863 than disallow T1 being of pointer type, assert that both T1
864 and var are of pointer type or not. Make sure not to fall
865 over the frontends lazyness wrt array to pointer decay though.
867 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
869 * arm.c (arm_struct_value_rtx): Delete.
870 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
871 (arm_init_cumulative_args): Always initialize nregs to zero.
873 2006-05-10 Richard Guenther <rguenther@suse.de>
875 PR tree-optimization/27532
876 * tree-object-size.c (plus_expr_object_size): Fix typo.
878 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
881 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
882 ashrdi_const, ashrdi3): Use a scratch register.
884 2006-05-10 Richard Guenther <rguenther@suse.de>
886 PR tree-optimization/27302
887 * fold-const.c (operand_equal_p): For two comparisons,
888 try comparison of one comparison code swapped if that yields
891 2006-05-10 Ben Elliston <bje@au.ibm.com>
893 * tree-pretty-print.c (pretty_print_string): No need to handle
894 '\0' as a special character.
896 * tree.h: Include "hashtab.h".
897 (iterative_hash_expr): Use hashval_t in its prototype.
898 * Makefile.in (TREE_H): Add $(HASHTAB_H).
900 2006-05-09 Steve Ellcey <sje@cup.hp.com>
903 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
904 (hppa*64*-*-hpux11*): Ditto.
905 (hppa[12]*-*-hpux11*): Ditto.
907 2006-05-09 David Edelsohn <edelsohn@gnu.org>
910 * config/rs6000/aix41.h (TARGET_64BIT): Define.
912 2006-05-09 Michael Matz <matz@suse.de>
914 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
915 host_extra_gcc_objs and host_xmake_file.
916 (<*-*-linux*>): Don't overwrite host_xmake_file.
917 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
918 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
919 (host_detect_local_cpu): Declare.
920 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
921 * config/i386/i386.c (override_options): Handle -mtune=native
923 * config/i386/x-i386: New file.
924 * config/i386/driver-i386.c: New file.
925 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
928 2006-05-09 Dirk Mueller <dmueller@suse.de>
929 Richard Guenther <rguenther@suse.de>
932 * fold-const.c (fold_read_from_constant_string): Relax check
933 for matching types to matching modes.
935 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
937 PR rtl-optimization/27335
938 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
941 2006-05-08 Chao-ying Fu <fu@mips.com>
942 Richard Sandiford <richard@codesourcery.com>
944 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
945 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
946 * config/mips/mips.md (UNSPEC_SCC): New constant.
947 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
948 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
949 (mips_emit_compare): Use it.
950 (mips_expand_vcondv2sf): New function.
952 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
954 Fix PR tree-optimization/27093
955 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
956 renaming when they become not-used_alone.
958 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
960 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
961 relocation and relocation stubs.
963 2006-05-08 Eric Christopher <echristo@apple.com>
965 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
968 2006-05-08 Jan Hubicka <jh@suse.cz>
971 * cgraphunit.c (decide_is_function_needed): When not optimizing even
972 unused static functions are needed.
974 2006-05-08 Roger Sayle <roger@eyesopen.com>
977 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
978 of a reg_equiv_constant if the result is a legitimate constant.
980 2006-05-08 Uros Bizjak <uros@kss-loka.si>
983 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
984 standard 80387 constants, raise the cost to prevent
985 compress_float_constant() to generate load from memory.
987 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
989 * config/arm/constraints.md (c): Fix a typo.
991 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
994 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
997 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
999 (_mm_mwait): Likewise.
1001 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1003 (sse3_monitor): Make it 32bit only.
1004 (sse3_monitor64): New. 64bit monitor.
1006 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1009 * config/i386/i386.c (classify_argument): Skip fields with invalid
1012 2006-05-07 Richard Guenther <rguenther@suse.de>
1014 PR tree-optimization/27409
1015 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1016 Do not try to find zero-sized subvars.
1018 2006-05-07 Richard Guenther <rguenther@suse.de>
1020 PR tree-optimization/27136
1021 * tree-ssa-loop-niter.c (get_val_for): Correct function
1022 comment, assert requirements.
1023 (loop_niter_by_eval): Stop processing if the iterated
1024 value did not simplify.
1026 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1028 * opts.c (flag_see): remove its setting at -O3.
1030 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1032 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1033 * arm/constraints.md: New file.
1034 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1035 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1036 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1037 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1038 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1039 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1040 * arm.md: Include constraints.md.
1041 (thumb_movsi_insn): Use satisfies_constraint_J.
1042 (movhi, movqi): Use satisfies_constraint_I.
1044 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1046 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1047 for atmeg a645 device.
1049 2006-05-06 Richard Guenther <rguenther@suse.de>
1051 PR tree-optimization/27151
1052 * tree-vect-transform.c (vectorizable_condition): Punt on
1053 values that have a different type than the condition.
1055 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1058 * c-parser.c (c_parser_cast_expression): Only insert casts into
1059 hash table if pointer.
1060 * function.c (used_types_insert_helper): Rename from
1062 (used_types_insert): Call used_types_insert_helper.
1063 * function.h (used_types_insert): Accept only one argument.
1065 2006-05-05 David Edelsohn <edesohn@gnu.org>
1067 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1068 scratch with output modifier.
1070 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1073 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1074 with output modifier.
1076 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1079 * config/mips/mips.c (mips_symbolic_address_p): Return true
1080 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1081 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1083 2006-05-04 Richard Guenther <rguenther@suse.de>
1085 PR tree-optimization/14287
1086 PR tree-optimization/14844
1087 PR tree-optimization/19792
1088 PR tree-optimization/21608
1089 PR tree-optimization/27090
1090 * tree-ssa-pre.c (try_combine_conversion): New function.
1091 (compute_avail): After constructing the value-handle
1092 expression, use try_combine_conversion to combine NOP_EXPRs
1093 with previous value-handle expressions and use the result if it
1096 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1098 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1100 2006-05-04 Jan Hubicka <jh@suse.cz>
1103 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1105 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1107 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1108 that this only matches CONST_INTs. All users changed to VOIDmode
1111 * config/bfin/bfin.c: Include "optabs.h".
1112 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1114 (enum bfin_builtins): Add a number of fractional and vector builtins.
1115 (bfin_init_builtins): Likewise.
1116 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1117 (safe_vector_operand, bfin_expand_binop_builtin,
1118 bfin_expand_unop_builtin): New functions.
1119 (bfin_expand_builtin): Handle the new builtins.
1120 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1123 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1126 * Makefile.in (OBJS-common): Add see.o.
1127 (see.o): Add dependencies.
1128 * common.opt (fsee): New flag for the see optimization was added.
1129 * opts.c (flag_see): Initialized.
1130 * passes.c (init_optimization_passes, pass_see): New pass.
1131 * rtl.h (see_main): Declaration as extern.
1132 * timevar.def (TV_SEE): New.
1133 * tree-pass.h (pass_see): Declaration as extern.
1134 * invoke.texi (-fsee): Document.
1135 * recog.c (validate_simplify_insn): New function.
1136 * recog.h (validate_simplify_insn): Declaration as extern.
1137 * df-problems.c (df_chain_dump): Check for NULL.
1139 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1140 Daniel Berlin <dberlin@dberlin.org>
1142 * cfgrtl.c (insert_insn_bb_end_new): New function.
1143 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1145 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1147 * df.h (struct web_entry): Moved from web.c.
1148 (union_defs): Declaration as extern.
1149 (unionfind_root): Likewise.
1150 (unionfind_union): Likewise.
1151 * web.c (struct web_entry): Moved to df.h.
1152 (unionfind_root): Remove static declaration.
1153 (unionfind_union): Likewise.
1154 (union_defs): Likewise and generalize to use callback function.
1155 (web_main): Update arguments for union_defs function call.
1157 2006-05-04 Richard Guenther <rguenther@suse.de>
1159 PR tree-optimization/26447
1160 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1161 produce SSA_NAME copies before the store stmt to avoid
1162 breaking exception handling.
1164 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1167 * gimplify.c (omp_is_private): If var is shared in some outer context,
1168 return false instead of true. Stop searching on parallel context
1171 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1174 * coverage.c: Use get_gcov_unsigned_t() instead of
1175 unsigned_type_node all over.
1177 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1179 PR tree-optimization/27381
1180 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1181 maintain the same immediate_use links.
1182 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1183 node rather than segfaulting.
1185 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1188 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1189 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1190 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1192 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1194 Fix PR tree-optimization/26626
1195 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1197 * tree-ssa-operands.c (access_can_touch_variable): Allow
1198 typecasting through union pointers.
1200 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1203 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1204 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1205 to find if var will be a global variable even in the nested context.
1206 (omp_copy_decl): Only check for global variable at the end, it might
1207 be overridden in outer contexts.
1208 (scan_sharing_clauses): For global variables don't create a field.
1209 (lower_rec_input_clauses): Do nothing for global shared variables.
1210 Emit a barrier at the end of ILIST if there were any decls in both
1211 firstprivate and lastprivate clauses.
1212 (lower_send_clauses): Do nothing for global variables except for
1215 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1217 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1218 of the correct signedness is returned.
1220 2006-05-02 Jeff Law <law@redhat.com>
1222 PR tree-optimization/27364
1223 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1224 multiply expressions.
1226 2006-05-02 Tom Tromey <tromey@redhat.com>
1228 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1230 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1233 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1234 -mthumb -fPIC are used.
1236 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1237 Joshua Kinard <kumba@gentoo.org>
1240 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1241 with 64-bit pointers.
1243 2006-05-02 Paul Brook <paul@codesourcery.com>
1245 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1247 (create_fix_barrier): Check that a suitable barrier location is
1249 (arm_reorg): Include ftmp->address in allowable range of addresses.
1251 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1254 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1257 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1260 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1261 around RESULT_DECL for result passed by reference.
1262 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1263 * omp-low.c (use_pointer_for_field): Don't look at
1264 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1265 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1266 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1267 time or var for passing by reference for
1268 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1269 TREE_ADDRESSABLE variables when passing by reference.
1271 * omp-low.c (dump_omp_region): Fix output formatting.
1274 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1275 (expand_omp_parallel): Likewise.
1276 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1279 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1280 on statement list containing also constructors and destructors.
1281 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1284 * except.c (duplicate_eh_regions): Fix clearing of
1285 cfun->eh->region_array entries.
1287 2006-05-01 DJ Delorie <dj@redhat.com>
1289 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1291 (gcc_cv_objdump): Likewise.
1292 * configure: Regenerated.
1294 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1297 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1298 templates for case 3 and 4.
1300 2006-05-01 DJ Delorie <dj@redhat.com>
1302 * vec.c: Include bconfig.h when appropriate.
1303 * Makefile.in (build/vec.o): Adjust dependencies.
1304 * mkconfig.sh: Make sure config.h isn't used for build machine
1307 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1309 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1311 (mark_phi_for_rewrite): New function.
1312 (insert_phi_nodes_for, mark_use_interesting): Call
1313 mark_phi_for_rewrite.
1314 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1315 (update_ssa): Initialize and free phis_to_rewrite.
1317 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1319 PR rtl-optimization/27291
1320 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1321 folded to a constant.
1323 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1325 PR tree-optimization/27283
1326 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1327 not whole # of iteration descriptions.
1328 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1329 uses abnormal ssa name.
1330 (niter_for_single_dom_exit): Ditto.
1331 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1332 return just the number of iterations.
1334 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1336 PR tree-optimization/27144
1337 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1338 (record_estimate): Only record constant upper bound.
1339 (infer_loop_bounds_from_undefined): Call
1340 compute_estimated_nb_iterations just once.
1341 (proved_non_wrapping_p): Renamed to ...
1342 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1343 (convert_step_widening, scev_probably_wraps_p): Call
1344 n_of_executions_at_most instead of proved_non_wrapping_p.
1345 (substitute_in_loop_info): Do not replace values in bounds.
1346 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1349 2006-05-01 Richard Henderson <rth@redhat.com>
1352 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1353 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1356 2006-05-01 Roger Sayle <roger@eyesopen.com>
1358 * c-typeck.c (parser_build_binary_op): Don't call the function
1359 unsigned_conversion_warning to spot operand/result type overflow.
1360 (build_binary_op): Instead, call convert_and_check instead of
1361 convert to report the problem when the operands are promoted.
1362 * c-common.c (unsigned_conversion_warning): Make static.
1363 * c-common.h (unsigned_conversion_warning): Delete prototype.
1365 2006-05-01 Richard Guenther <rguenther@suse.de>
1367 PR tree-optimization/26726
1368 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1370 (find_interesting_uses_address): ... we work around here
1371 by folding INDIRECT_REFs in the substituted base.
1373 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1375 * omp-low.c (dump_omp_region): Add newlines.
1377 2006-04-30 Roger Sayle <roger@eyesopen.com>
1379 * common.opt (Woverflow): New command line option.
1380 * c-common.c (constant_expression_warning): Check warn_overflow.
1381 (overflow_waring): Pass OPT_Woverflow to warning.
1382 (unsigned_conversion_warning): Likewise.
1383 (convert_and_check): Likewise.
1384 * doc/invoke.texi: Document new command line option.
1386 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1388 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1389 TARGET_NO_FP_IN_TOC for section anchors.
1390 (optimization_options): Enable section anchors for all
1391 non-"Objective" languages.
1393 2006-04-28 Eric Christopher <echristo@apple.com>
1395 * config/darwin-c.c (darwin_ms_struct): Move this
1396 (darwin_set_default_type_attributes): and this...
1397 * config/darwin.c: ... here.
1398 * config/darwin.h (darwin_ms_struct): Declare.
1400 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1402 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1404 2006-04-28 Roger Sayle <roger@eyesopen.com>
1407 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1408 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1409 an unsigned HOST_WIDE_INT.
1410 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1412 (really_start_incremental_init): No need to call convert because
1413 bitsize_zero_node is already of type bitsizetype.
1414 (push_init_level): Extract the value of constructor_index as an
1415 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1416 (process_init_element): Likewise.
1418 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1420 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1421 value before passing to make_relative_prefix.
1423 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1426 * builtins.c (expand_builtin_memset): Expand val in original mode.
1428 2006-04-27 Eric Christopher <echristo@apple.com>
1430 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1431 with #ifndef/#endif.
1432 * config/darwin-c.c (darwin_ms_struct): New.
1433 (darwin_pragma_ms_struct): Ditto.
1434 (darwin_set_default_type_attributes): Ditto.
1435 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1436 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1437 Register ms_struct pragma.
1438 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1439 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1440 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1441 darwin_set_default_type_attributes if TARGET_MACHO.
1443 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1445 PR tree-optimization/26854
1446 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1447 * doc/tree-ssa.texi: Update immuse iterator documentation.
1448 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1449 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1450 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1451 first_safe_imm_use, next_safe_imm_use): Remove.
1452 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1453 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1454 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1455 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1456 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1457 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1458 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1459 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1460 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1461 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1462 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1463 (perfect_nestify): Use new iterator.
1464 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1466 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1467 (next_imm_name): New field in struct immediate_use_iterator_d.
1468 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1469 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1470 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1471 * tree-cfg.c (replace_uses_by): Use new iterator.
1472 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1473 * tree-ssa-operands.c (correct_use_link): Remove.
1474 (finalize_ssa_use_ops): No longer call correct_use_link.
1476 2006-04-27 Stuart Hastings <stuart@apple.com>
1478 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1479 * config/t-darwin (crt3.o): Use it.
1480 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1481 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1482 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1483 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1484 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1487 2006-04-27 Roger Sayle <roger@eyesopen.com>
1489 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1490 size, force the intermediate into a new pseudo rather instead of
1491 performing both a bitwise AND and a bitwise IOR in memory.
1493 2006-04-27 Richard Guenther <rguenther@suse.de>
1495 PR rtl-optimization/26685
1496 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1497 this one "max-flow-memory-locations".
1499 2006-04-27 Richard Guenther <rguenther@suse.de>
1501 PR tree-optimization/25148
1502 * tree-vrp.c (compare_values): Remove code dealing with
1503 comparisons against type min/max value. Honour overflow
1504 and negative constants in code dealing with comparisons
1505 of plus and minus expressions.
1506 (value_inside_range): Use fold_binary with LE_EXPR and
1507 GE_EXPR rather than compare_values.
1509 2006-04-27 Dirk Mueller <dmueller@suse.de>
1511 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1514 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1516 * basic-block.h (safe_insert_insn_on_edge): Removed.
1517 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1519 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1520 Paolo Bonzini <bonzini@gnu.org>
1523 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1524 (simplify_and_const_int): Same.
1526 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1528 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1530 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1533 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1534 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1535 cgraph_global_info_ready.
1538 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1541 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1542 either decl or init is error_mark_node.
1545 * tree-flow.h (struct omp_region): Add sched_kind.
1546 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1547 instead of extracting omp for data.
1548 (expand_omp_for): Save extracted sched_kind.
1550 2006-04-25 Roger Sayle <roger@eyesopen.com>
1552 * expmed.c (store_bit_field): Also check whether the bitsize is
1553 valid for the machine's "insv" instruction before moving the
1554 target into a pseudo for use with the insv.
1555 * config/i386/predicates.md (const8_operand): New predicate.
1556 * config/i386/i386.md (extv, extzv, insv): Use the new
1557 const8_operand predicate where appropriate.
1559 2006-04-25 DJ Delorie <dj@redhat.com>
1561 * doc/install.texi (Specific): Clarify that this is not a list of
1562 supported hosts or targets.
1564 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1566 PR rtl-optimization/26725
1567 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1568 block's BB_DIRTY flag.
1570 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1572 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1575 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1576 to print an integer.
1578 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1580 * varasm.c (align_variable): New function.
1581 (get_block_for_decl): Apply align_variable to DECL before
1582 calculating section information.
1583 (assemble_variable): Split out alignment computation.
1585 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1587 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1590 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1592 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1593 MODE_PARTIAL_INT mode.
1594 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1595 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1597 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1598 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1600 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1602 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1604 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1605 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1606 MACFLAG_IH): Likewise.
1607 (movstricthi_1): Renamed from "*movstricthi".
1608 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1609 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1610 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1611 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1612 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1613 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1614 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1615 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1616 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1617 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1618 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1619 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1620 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1621 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1622 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1624 * doc/rtl.texi (ss_ashift): Improve wording.
1626 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1628 * dwarf2out.c (verify_marks_clear): New.
1629 (prune_unused_types): Call verify_marks_clear initially, not
1632 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1634 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1635 * doc/rtl.texi: Document them.
1636 * simplify-rtx.c (simplify_unary_operation,
1637 simplify_binary_operation_1): Don't abort when we see them.
1639 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1642 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1643 * configure.ac: Completely disregard languages that are not
1645 * configure: Regenerated.
1647 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1648 Richard Guenther <rguenther@suse.de>
1650 PR tree-optimization/27236
1651 * tree-inline.c (copy_body_r): Make sure to copy
1652 TREE_THIS_VOLATILE flag.
1654 2006-04-24 Richard Guenther <rguenther@suse.de>
1657 * tree-complex.c (update_parameter_components): Don't handle
1658 unused parameters which have no default def.
1660 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1661 Richard Guenther <rguenther@suse.de>
1663 PR tree-optimization/27218
1664 * tree-inline.c (expand_call_inline): Strip useless type
1665 conversions for the return slot address.
1667 2006-04-24 Richard Guenther <rguenther@suse.de>
1669 * cfgloop.h (struct loops): Remove unused field array. Reorder
1671 (LOOP_PREFETCH): Remove.
1673 2006-04-24 Richard Guenther <rguenther@suse.de>
1675 PR tree-optimization/22525
1676 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1677 variable, adjust types of generated expressions.
1679 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1681 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1682 (tree-vect-patterns.o): Likewise.
1684 (cselib.o): Likewise.
1685 (loop-doloop.o): Likewise.
1686 (regclass.o): Likewise.
1687 (reload1.o): Likewise.
1688 (explow.o): Replace target.h with $(TARGET_H).
1689 (ipa-prop.o): Likewise.
1690 (ipa-cp.o): Likewise.
1691 (ipa-inline.o): Likewise.
1692 (reorg.o): Likewise.
1693 (reg-stack.o): Likewise.
1695 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1697 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1699 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1701 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1703 * configure.ac: Completely disregard languages that are not
1705 * configure: Regenerated.
1708 * c-common.h (c_build_bitfield_integer_type): Declare.
1709 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1710 * c-common.c (c_build_bitfield_integer_type): ... here.
1712 2006-04-23 Roger Sayle <roger@eyesopen.com>
1715 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1716 a SImode SUBREG of a floating point register after no_new_pseudos.
1718 2006-04-23 Roger Sayle <roger@eyesopen.com>
1720 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1721 identify potentially eliminable registers to additionally catch
1722 VIRTUAL_INCOMING_ARGS_REGNUM.
1723 (addsi3): Update the conditions on when to use addsi_small_int.
1725 2006-04-23 Roger Sayle <roger@eyesopen.com>
1728 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1729 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1730 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1732 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1734 * fold-const.c (range_predecessor): Use operand_equal_p
1735 as the predicate for equality.
1736 (range_successor): Likewise.
1738 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1741 * config/soft-fp/op-common.h: Fix a typo.
1743 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1746 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1747 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1749 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1751 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1753 * doc/tm.texi: Fix a typo.
1755 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1757 * dwarf2out.c (struct die_struct): Document that die_sib makes
1758 a circular linked list.
1759 (FOR_EACH_CHILD): New.
1760 (reverse_die_lists): Delete.
1761 (reverse_all_dies): Delete.
1762 (add_dwarf_attr): Correct documentation.
1763 (remove_child_with_prev): New.
1764 (remove_child_TAG): Update for change to die_struct, use
1765 remove_child_with_prev.
1766 (add_child_die): Update for change to die_struct.
1767 (splice_child_die): Use remove_child_with_prev and add_child_die.
1768 (print_die): Use FOR_EACH_CHILD.
1769 (die_checksum): Likewise.
1770 (assign_symbol_names): Likewise.
1771 (output_location_lists): Likewise.
1772 (build_abbrev_table): Likewise.
1773 (calc_die_sizes): Likewise.
1774 (mark_dies): Likewise.
1775 (unmark_dies): Likewise.
1776 (unmark_all_dies): Likewise.
1777 (output_die): Likewise.
1778 (prune_unused_types_mark): Likewise.
1779 (prune_unused_types_walk): Likewise.
1780 (same_die_p): Update for change to die_struct.
1781 (break_out_includes): Likewise.
1782 (prune_unused_types_prune): Likewise.
1783 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1784 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1786 (dwarf2out_finish): Don't call reverse_all_dies.
1788 2006-04-21 Eric Christopher <echristo@apple.com>
1790 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1791 in comments and function names.
1793 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1796 * c-typeck.c (digest_init): Robustify.
1798 * c-typeck.c (pop_init_level): Simplify.
1800 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1802 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1804 2006-04-21 Paul Brook <paul@codesourcery.com>
1806 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1807 hardware floating point.
1809 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1811 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1814 2006-04-21 Nick Clifton <nickc@redhat.com>
1816 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1819 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1822 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1823 C++ lang type in traceback table for Objective-C++.
1825 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1827 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1829 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1831 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1834 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1835 were errors. Remove check for erroneous objects.
1837 2006-04-20 Jeff Law <law@redhat.com>
1839 PR tree-optimization/26854
1840 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1841 checking for zero or one use.
1842 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1843 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1844 * tree-ssa-reassoc.c (negate_value): Similarly.
1845 (reassociate_bb): Similarly.
1847 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1849 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1850 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1851 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1853 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1855 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1856 fp regs if the last fp arg doesn't fit in regs.
1858 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1861 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1862 that the last insn has the REG_INC note.
1864 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1865 Nathan Sidwell <nathan@codesourcery.com>
1868 * stor-layout.c (update_alignment_for_field): Do not align
1870 (place_union_field): Place union field at the start of the union.
1871 (place_field): Move ERROR_MARK check later, and use the current
1872 allocation position to maintain monotonicity.
1874 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1876 * dominance.c: Include timevar.h.
1877 (calculate_dominance_info): Use TV_DOMINANCE.
1878 * timevar.def (TV_DOMINANCE): New timevar.
1879 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1881 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1883 PR rtl-optimization/14261
1884 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1885 move would be an INSV insn.
1886 (noce_process_if_block): Don't optimize if the destination is a
1887 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1889 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1891 * config/s390/s390.md: Add comments with the instructions emitted
1892 by an insn pattern if macros are used.
1894 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1896 PR rtl-optimization/26026
1897 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1898 is a known power of two shifted left a variable amount.
1900 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1902 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1903 to hash table twice when the debug_str section has SECTION_MERGE.
1905 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1907 * config/soft-fp: New directory. From glibc.
1908 * config/soft-fp/t-softfp: New.
1909 * config/soft-fp/README: New.
1910 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1911 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1912 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1913 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1914 * config.gcc: Use rs6000/t-fprules-fpbit or
1915 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1917 * config/rs6000/sfp-machine.h: New. Based on glibc.
1918 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1920 * config/rs6000/t-fprules: Remove fp-bit rules.
1921 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1922 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1923 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1924 (softfp_wrap_start, softfp_wrap_end): New.
1926 2006-04-18 DJ Delorie <dj@redhat.com>
1928 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1930 2006-04-18 Devang Patel <dpatel@apple.com>
1932 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1934 2006-04-18 Nick Clifton <nickc@redhat.com>
1936 * config/sh/t-symbian: Add rule to build sh-c.o
1937 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1938 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1939 (sh_symbian_encode_section_info): Likewise.
1941 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1943 * builtins.c (expand_builtin_strcmp): Cover label definition of
1944 do_libcall with HAVE_cmpstrnsi.
1946 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1948 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1950 * function.h (temp_slot_p): New.
1951 (function): Change the type of x_used_temp_slots to
1952 VEC(temp_slot_p,gc) *.
1954 2006-04-18 Nick Clifton <nickc@redhat.com>
1956 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1957 flag_strength_reduce.
1959 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1961 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1965 Partial revert of revision 112637
1966 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1967 Dale Johannesen <dalej@apple.com>
1970 * regclass.c (struct reg_pref): Update documentation.
1971 (regclass): Set prefclass to NO_REGS if memory is the best option.
1972 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1974 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1976 PR tree-optimization/26821
1977 * tree-ssa-math-opts.c (get_constant_one): New.
1978 (insert_reciprocals): Use it.
1980 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1982 * dwarf2out.c (free_AT): Delete.
1983 (remove_AT): Update string ref counts.
1984 (remove_child_TAG): Don't call free_die.
1986 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1987 or DW_TAG_GNU_EINCL.
1988 (prune_unused_types_walk_attribs): Reset string refcounts.
1989 (prune_unused_types_update_strings): New.
1990 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1991 call free_die. Do call prune_unused_types_update_strings.
1992 (prune_unused_types): Empty debug_str_hash.
1994 2006-04-17 Roger Sayle <roger@eyesopen.com>
1996 * expr.c (expand_assignment): Optimize away no-op moves where the
1997 source and destination are equal and have no side-effects.
1999 2006-04-17 Richard Guenther <rguenther@suse.de>
2002 * reload.c (push_reload): Guard calls to get_secondary_mem
2005 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2007 * alias.c (reg_base_value, old_reg_base_value): Change the
2008 type to VEC(rtx,gc) *.
2009 (REG_BASE_VALUE, find_base_value, record_set,
2010 init_alias_analysis): Use VEC instead of VARRAY.
2012 * alias.c (alias_sets): Change the type to
2013 VEC(alias_set_entry,gc) *.
2014 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2015 VEC instead of VARRAY.
2016 (last_alias_set): Remove.
2018 * cgraph.h (cgraph_edge_p): New.
2019 Update the prototype of cgraph_function_versioning.
2020 * cgraphunit.c (cgraph_copy_node_for_versioning,
2021 cgraph_function_versioning): Use VEC instead of VARRAY.
2022 * ipa-cp.c (ipcp_insert_stage): Likewise.
2024 2006-04-16 Roger Sayle <roger@eyesopen.com>
2027 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2028 "A op B" or "A op C", we may need to convert A to the type of B and C.
2030 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2032 * target.h (struct gcc_target): Add mode_rep_extended.
2033 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2034 (init_num_sign_bit_copies_in_rep): Initialize it using
2036 (truncate_to_mode): Use it.
2037 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2038 * targhooks.h (default_mode_rep_extended): Declare it.
2039 * targhooks.c (default_mode_rep_extended): Define it.
2040 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2041 default_mode_rep_extended.
2042 (TARGET_INITIALIZER): Include it.
2043 * doc/tm.texi (Misc): Document it.
2044 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2045 (mips_truncated_to_mode): New function.
2047 2006-04-16 Roger Sayle <roger@eyesopen.com>
2050 * expr.c (compress_float_constant): Copy the narrow constant into
2051 a new pseudo before extending it to its final width.
2053 2006-04-16 Roger Sayle <roger@eyesopen.com>
2054 Andrew Pinski <pinskia@gcc.gnu.org>
2055 Dale Johannesen <dalej@apple.com>
2058 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2059 special case code to implement V8HImode and V16QImode with SSE2.
2061 2006-04-15 Roger Sayle <roger@eyesopen.com>
2063 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2064 trees are constructed with a suitable tree type.
2066 2006-04-15 Roger Sayle <roger@eyesopen.com>
2068 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2069 (integer_onep): Likewise.
2070 (integer_all_onesp): Likewise.
2071 (integer_pow2p): Likewise.
2072 (integer_nonzerop): Likewise.
2073 (real_zerop): Likewise.
2074 (real_onep): Likewise.
2075 (real_twop): Likewise.
2076 (real_minus_onep): Likewise.
2077 (int_size_in_bytes): Likewise.
2078 (host_integerp): Likewise.
2080 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2082 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2083 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2084 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2086 * tree-ssa-structalias.h (alias_info): Remove num_references.
2088 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2090 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2091 (output_bvb patterns): Likewise.
2092 * pa.c (output_bb): Use 'bb' insn for long branch case.
2093 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2094 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2095 1. Correct length operand for alternatives 1 and 2.
2096 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2097 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2099 2006-04-14 Roger Sayle <roger@eyesopen.com>
2101 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2102 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2103 were accidentally reverted by r112959.
2105 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2108 * except.h (eh_region_outermost): New prototype.
2109 * except.c (eh_region_outermost): New function.
2110 * tree-cfg.c (find_outermost_region_in_block): Use it.
2112 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2114 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2116 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2117 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2118 (init_reload, reload): Use VEC instead of VARRAY.
2119 * reload.h: Update the prototype for
2120 reg_equiv_memory_loc_varray.
2122 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2123 Eric Botcazou <ebotcazou@libertysurf.fr>
2125 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2128 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2131 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2132 to expand fallback builtin function call.
2134 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2137 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2138 and emit libcall here in case the builtin fails.
2139 (expand_builtin_strcmp): Always emit the libcall here on failure.
2141 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2143 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2144 * flow.c (reg_n_info): Change the type to
2145 VEC(reg_info_p,heap) *.
2146 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2148 * regs.h (reg_info_p): New.
2149 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2150 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2151 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2154 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2156 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2158 * params.h (MAX_SCHED_READY_INSNS): New macro.
2159 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2160 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2161 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2162 the ready list for 1 cycle during the first scheduling pass.
2163 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2165 2006-04-13 Richard Henderson <rth@redhat.com>
2168 * gimple-low.c (lower_omp_directive): Remove dead code.
2169 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2170 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2171 * omp-low.c (struct omp_region): Move to tree-flow.h.
2172 (root_omp_region): Export.
2173 (omp_regions, lookup_omp_region): Remove.
2174 (determine_parallel_type): Update for struct omp_region changes.
2175 (dump_omp_region): Dump regions with block numbers.
2176 (new_omp_region): Take type and block instead of stmt; malloc
2178 (free_omp_region_1, free_omp_regions): New.
2179 (expand_parallel_call): Take entry_stmt as argument; update for
2180 changes to omp_region.
2181 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2182 (remove_exit_barriers): New.
2183 (expand_omp_parallel): Update for struct omp_region changes.
2184 (expand_omp_synch): Likewise.
2185 (expand_omp): Likewise.
2186 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2187 (expand_omp_for_static_chunk): Likewise.
2188 (expand_omp_for): Likewise.
2189 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2190 (expand_omp_sections): Similarly, with GOMP_sections_end.
2191 (expand_omp_single): New.
2192 (build_omp_regions_1): Update for OMP_CONTINUE.
2193 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2194 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2195 OMP_SECTIONS_SECTIONS.
2196 (lower_omp_single_simple): Don't emit barrier here.
2197 (lower_omp_single_copy): Likewise.
2198 (lower_omp_single): Fix bindings, and lower to straightline now.
2199 (lower_omp_master, lower_omp_ordered): Likewise.
2200 (lower_omp_critical): Likewise.
2201 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2202 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2203 omp edges, free it afterward.
2204 (make_omp_sections_edges): Remove.
2205 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2206 (move_stmt_r): Handle OMP_CONTINUE.
2207 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2208 statement pointers to basic blocks. Add type member.
2209 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2210 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2211 * tree-inline.c (estimate_num_insns_1): Likewise.
2212 * tree-pretty-print.c (dump_generic_node): Likewise.
2213 * tree-ssa-operands.c (get_expr_operands): Likewise.
2214 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2215 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2216 (OMP_CONTINUE): New.
2217 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2218 (OMP_SECTIONS_SECTIONS): Remove.
2219 (OMP_SECTION_LAST): New.
2220 (OMP_RETURN_NOWAIT): New.
2222 2006-04-13 Roger Sayle <roger@eyesopen.com>
2224 * fold-const.c (native_encode_vector, native_interpret_real):
2225 Correct obvious mistakes in the previous check-in.
2227 2006-04-13 Roger Sayle <roger@eyesopen.com>
2229 * fold-const.c (native_encode_expr): New function to encode
2230 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2231 or VECTOR_CST into a specified buffer.
2232 (native_encode_int): New function.
2233 (native_encode_real): New function.
2234 (native_encode_complex): New function.
2235 (native_encode_vector): New function.
2236 (native_interpret_expr): Inverse of native_encode_expr to convert
2237 a target representation into an INTEGER_CST, REAL_CST etc...
2238 (native_interpret_int): New function.
2239 (native_interpret_real): New function.
2240 (native_interpret_complex): New function.
2241 (native_interpret_vector): New function.
2242 (fold_view_convert_expr): New function to constant fold/evaluate
2243 a VIEW_CONVERT_EXPR of a suitable constant expression.
2244 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2245 Change call of build1 to fold_build1 when constructing a
2248 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2249 Ulrich Weigand <uweigand@de.ibm.com>
2252 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2255 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2258 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2259 optimize to lo_sum for DFmode if !TARGET_FPRS.
2261 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2263 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2264 delete_alias_info, compute_flow_sensitive_aliasing,
2265 group_aliases): Use VEC instead of VARRAY.
2266 * tree-ssa-structalias.c (update_alias_info): Likewise.
2267 * tree-ssa-structalias.h (alias_info): Change the type of
2268 processed_ptrs to VEC(tree,heap) *.
2270 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2273 * config/sh/lib1funcs.h: New file, broken out of:
2274 * config/sh/lib1funcs.asm.
2275 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2277 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2278 * config/sh/lib1funcs-Os-4-200.asm: New file.
2279 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2280 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2281 (EXTRA_MULTILIB_PARTS): Include it.
2282 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2283 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2284 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2285 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2288 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2290 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2291 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2292 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2294 * tree-ssa-live.h: Include vecprim.h.
2295 (tree_partition_associator_d): Change the type of
2296 first_partition to VEC(int,heap) *.
2297 (tpa_first_partition): Use VEC instead of VARRAY.
2299 * Makefile.in (GTFILES): Move functions.h after tree.h.
2300 * function.c (reset_block_changes, record_block_change,
2301 check_block_change, free_block_changes): Use VEC instead of
2303 * function.h (function): Change the type of
2304 ib_boundaries_block to VEC(tree,gc) *.
2305 * tree-inline.c (copy_cfg_body): Initialize
2306 ib_boundaries_block to NULL instead of (varray_type) 0.
2308 2006-04-12 Roger Sayle <roger@eyesopen.com>
2310 * expr.c (emit_group_store): Correct operand order in call to
2311 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2312 a SUBREG_BYTE of zero.
2314 2006-04-12 Richard Guenther <rguenther@suse.de>
2316 * profile.c (compute_branch_probabilities): Remove code
2317 encapsulated in !ir_type (), which are remanents of the
2318 removed RTL profiling code.
2319 * rtl-profile.c: Remove.
2321 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2323 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2324 magic NULL_RTX comment.
2325 (function_arg): Store entire fp arg to mem if any part should go
2327 (rs6000_arg_partial_bytes): Adjust for above change.
2329 2006-04-11 Roger Sayle <roger@eyesopen.com>
2331 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2332 if it hasn't been initialized by dwarf2out_init.
2334 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2336 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2337 symbolic constants in branch patterns.
2339 2006-04-11 Roger Sayle <roger@eyesopen.com>
2341 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2343 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2345 PR rtl-optimization/27073
2346 * gcse.c (try_replace_reg): Revert last change. Continue to search
2347 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2350 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2352 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2353 aggregate types other than record and union types.
2354 (function_arg): Likewise.
2355 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2357 (function_value): In 64-bit mode, return objects that require it
2360 2006-04-11 Roger Sayle <roger@eyesopen.com>
2362 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2364 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2366 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2368 2006-04-03 Jeff Law <law@redhat.com>
2371 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2372 alias information too.
2374 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2376 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2378 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2381 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2382 (premark_used_types_helper): New.
2383 (premark_used_types): New.
2384 (gen_subprogram_die): Call premark_used_types.
2385 (prune_unused_types_walk): Do not prune perennial dies.
2386 * function.c (used_types_insert): New.
2387 * function.h (struct function): Add used_types_hash field.
2388 (used_types_insert): Add prototype.
2389 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2390 * c-parser.c (c_parser_cast_expression): Save casted types in used
2393 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2396 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2397 rs6000_explicit_options.float_gprs.
2399 2006-04-10 Roger Sayle <roger@eyesopen.com>
2401 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2402 from ix86_expand_vector_init_low_nonzero. Take an additional
2403 one_var argument indicating which element is non-zero. Support
2404 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2405 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2406 with one_var instead of ix86_expand_vector_init_low_nonzero.
2408 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2410 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2411 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2412 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2413 build/genextract.o): Depend on vecprim.h.
2414 * cfglayout.c, df-problems.c, function.c, genextract.c,
2415 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2416 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2420 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2422 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2423 Declare VECs of this type.
2424 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2425 (remove_children): Delete.
2426 (add_dwarf_attr): Use VEC routines.
2427 (add_AT_flag): Update for changes to add_dwarf_attr.
2428 (add_AT_int): Likewise.
2429 (add_AT_unsigned): Likewise.
2430 (add_AT_long_long): Likewise.
2431 (add_AT_vec): Likewise.
2432 (add_AT_string): Likewise.
2433 (add_AT_die_ref): Likewise.
2434 (add_AT_fde_ref): Likewise.
2435 (add_AT_loc): Likewise.
2436 (add_AT_loc_list): Likewise.
2437 (add_AT_addr): Likewise.
2438 (add_AT_lbl_id): Likewise.
2439 (add_AT_lineptr): Likewise.
2440 (add_AT_macptr): Likewise.
2441 (add_AT_offset): Likewise.
2442 (add_AT_range_list): Likewise.
2443 (get_AT): Use VEC_iterate.
2444 (remove_AT): Use VEC_ordered_remove.
2445 (free_die): Fold remove_children into here; have it use VEC_iterate.
2446 (print_die): Use VEC_iterate on attrs.
2447 (reverse_die_lists): Don't reverse attr lists.
2448 (die_checksum): Use VEC_iterate on attrs.
2449 (same_die_p): Likewise.
2450 (output_location_lists): Likewise.
2451 (build_abbrev_table): Likewise.
2452 (size_of_die): Likewise.
2453 (unmark_all_dies): Likewise.
2454 (output_abbrev_section): Likewise.
2455 (output_die): Likewise.
2456 (prune_unused_types_walk_attribs): Likewise.
2458 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2460 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2462 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2465 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2467 2006-04-09 Roger Sayle <roger@eyesopen.com>
2469 * expr.c (store_constructor): Don't bother clearing target if
2470 we're about to assign a vector to it using vec_init_optab.
2472 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2474 * tree-ssa-alias.c (lhs_may_store_to): New function.
2475 (recalculate_used_alone): Handle LHS of calls.
2477 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2481 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2482 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2483 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2484 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2485 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2486 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2487 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2488 stubs. Add ".align 8" directives before all ".dword" directives.
2489 (GTHREAD_USE_WEAK): Revise comment.
2490 (TARGET_ATTRIBUTE_WEAK): Define.
2491 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2492 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2493 * stublib.c: New file.
2498 * pa.md (cbranch patterns): Revise arguments used in calls to
2499 output_cbranch, output_bb and output_bvd. Add long branch length
2501 (fbranch patterns): Handle long branches.
2502 (jump): Revise length check. Revise arguments for output_lbranch call.
2503 Add long branch length attributes.
2504 (decrement_and_branch_until_zero): Add long branch length attributes.
2505 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2506 Likewise. Revise arguments for output_parallel_addb and
2507 output_parallel_movb calls.
2508 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2509 output_parallel_movb and output_parallel_addb): Update prototypes.
2510 * pa.c (output_cbranch): Revise arguments. Correct handling of
2511 nullification in long branches.
2512 (output_lbranch): Add new argument to control extraction of delay
2514 (output_bb): Handle long branches.
2515 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2516 output_parallel_addb): Likewise.
2518 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2520 PR rtl-optimization/27073
2521 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2524 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2526 * tree.h (tree_memory_tag): Add old_used_alone.
2527 (SMT_OLD_USED_ALONE): New macro.
2528 * tree-ssa-alias.c (recalculate_used_alone): Stop
2529 marking things for renaming unnecessarily.
2531 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2533 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2534 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2535 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2536 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2537 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2538 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2539 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2540 spelling convensions.
2541 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2542 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2543 typos. Follow spelling conventions.
2545 2006-04-07 DJ Delorie <dj@redhat.com>
2547 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2548 passed on the stack.
2549 (m32c_init_cumulative_args): When a function returns a structure,
2550 always pass the pointer to that return area on the stack.
2551 (m32c_function_arg_advance): Don't increment the parameter number
2552 if we're processing the returned structure pointer.
2553 (pushm_info): Reverse order of registers.
2555 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2557 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2558 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2559 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2560 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2562 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2563 chrec_fold_multiply): Same.
2564 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2565 force_expr_to_var_cost): Same.
2566 * tree-mudflap.c (mf_xform_derefs_1): Same.
2567 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2569 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2571 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2572 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2575 2006-04-07 Jan Hubicka <jh@suse.cz>
2577 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2579 2006-04-07 Richard Guenther <rguenther@suse.de>
2581 PR tree-optimization/26135
2582 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2583 loads for store copy-prop.
2584 (copy_prop_visit_stmt): Likewise.
2586 2006-04-05 Robert Millan <robertmh@gnu.org>
2588 * config/i386/linux.h: Add a comment to mark macros that are
2589 being overriden in config/k*bsd-gnu.h.
2590 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2592 * config/knetbsd-gnu.h: Ditto.
2594 2006-04-06 Jan Hubicka <jh@suse.cz>
2598 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2601 2006-04-06 Mike Stump <mrs@apple.com>
2603 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2604 for HAVE_nonlocal_goto to be consistent.
2605 (expand_builtin_nonlocal_goto): Likewise.
2606 (expand_builtin_strcmp): Use #ifdef instead of #if
2607 for HAVE_cmpstrnsi to be consistent.
2609 2006-04-05 DJ Delorie <dj@redhat.com>
2611 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2614 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2616 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2617 got-relative addressing for anything but SImode.
2619 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2620 even if the calling function doesn't modify them.
2622 2006-04-05 Richard Guenther <rguenther@suse.de>
2624 PR tree-optimization/26919
2625 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2626 to cgraph_estimate_size_after_inlining.
2628 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2630 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2632 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2634 PR tree-optimization/26996
2635 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2636 VECTOR_TYPE variables.
2638 2006-04-05 Richard Guenther <rguenther@suse.de>
2640 PR tree-optimization/26763
2641 * fold-const.c (fold_comparison): Move folding of
2642 PTR + CST CMP PTR + CST ...
2643 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2645 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2647 * doc/install.texi (Prerequisites): Refine some wording on
2648 bootstrapping and ksh.
2649 Move the version numbers of DejaGnu here from the testing section
2650 and fix casing of names.
2651 Fix markup and clarify wording for autogen requirements.
2652 Refer to GCJ instead of just java.
2653 Refer to SVN instead of CVS.
2654 Describe diffutils as useful instead of necessary.
2655 (Downloading the source): Refer to SVN instead of CVS.
2656 Adjust a link to our web site accordingly.
2657 (Configuration): Fix casing of Bison.
2658 (Building): Refer to SVN instead of CVS.
2659 Fix a sentence on the use of Bison and remove duplicate (and
2660 incorrect) version number of Bison requirement.
2661 Remove one redundant list of packages needed for building.
2662 (Specific): Avoid reference to CVS.
2664 2006-04-04 Eric Christopher <echristo@apple.com>
2666 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2667 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2668 (rs6000_handle_struct_attribute): New.
2669 (rs6000_ms_bitfield_layout_p): Ditto.
2671 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2673 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2674 NULL for dso parameter to atexit_common.
2676 2006-04-04 Eric Christopher <echristo@apple.com>
2678 * config/i386/i386.c (machopic_output_stub): Output \t
2679 between instructions and operands.
2681 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2683 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2684 satisfies_constraint_[IL] to explicit tests on value.
2686 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2688 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2689 set_nb_iterations_in_loop): Use build_int_cst instead of
2691 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2692 build_int_cst instead of convert.
2694 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2696 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2697 new value 2 for incoming.
2698 * function.c (expand_function_start): Call struct_value_rtx
2700 * config/sparc/sparc.md: Comment updated_return.
2701 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2702 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2703 struct return if sparc_std_struct_return and incoming is 2.
2704 (print_operand): Do not adjust return if
2705 sparc_std_struct_return.
2707 2006-04-04 Roger Sayle <roger@eyesopen.com>
2709 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2710 convert in the middle-end.
2711 * expr.c (store_expr, store_constructor, get_inner_reference,
2712 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2714 * tree.c (build_range_type): Likewise.
2716 2006-04-04 Tom Tromey <tromey@redhat.com>
2718 * doc/install.texi (Prerequisites): Mention jar.
2720 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2722 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2725 2006-04-04 Matthias Klose <doko@debian.org>
2727 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2728 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2731 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2733 * doc/extend.texi (Function Attributes): Rewrite visibility
2734 attribute documentation.
2735 * doc/invoke.texi (C++ Dialect Options): Rewrite
2736 -fvisibility-inlines-hidden documentation to describe something
2737 entirely different, although in practise compatible.
2738 (Code Gen Options): Warn about system headers in -fvisibiltity=
2741 * doc/extend.texi (Other Builtins): Document that
2742 __builtin_nan is a compile-time constant only when its argument
2745 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2747 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2748 trying to remove TRUNCATE check if all bits outside the new mode
2749 are identical to the sign bit.
2751 2006-04-03 Jeff Law <law@redhat.com>
2753 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2754 and operand scanning in some common cases.
2756 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2757 Dale Johannesen <dalej@apple.com>
2760 * regclass.c (struct reg_pref): Update documentation.
2761 (regclass): Set prefclass to NO_REGS if memory is the best option.
2762 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2763 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2764 into account. For non-registers, equate an empty preferred
2765 reload class to a `!' in the constraint; move the if clause to
2766 do so after those that reject the insn.
2767 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2769 (find_dummy_reload): Likewise.
2770 * doc/tm.texi (Register Classes): Document what it means
2771 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2772 * config/i386/i386.c (ix86_preferred_reload_class): Force
2773 using SSE registers (and return NO_REGS for floating-point
2774 constants) if math is done with SSE.
2775 (ix86_preferred_output_reload_class): New.
2776 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2777 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2778 * config/i386/i386.md: Remove # register preferences.
2780 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2783 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2784 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2785 the type of nb_iter.
2786 (instantiate_parameters_1): Convert the operands before calling
2787 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2788 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2790 2006-04-02 Roger Sayle <roger@eyesopen.com>
2792 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2793 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2795 * dojump.c (do_jump): Likewise.
2796 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2797 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2798 gimplify_boolean_expr): Likewise.
2799 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2800 * varasm.c (array_size_for_constructor): Likewise.
2801 * tree-object-size.c (compute_object_offset): Likewise.
2803 2006-04-02 Roger Sayle <roger@eyesopen.com>
2806 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2807 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2809 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2811 PR tree-optimization/26939
2812 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2814 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2816 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2817 at_stmt. Convert the type of operands before calling
2818 build_polynomial_chrec.
2819 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2821 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2822 (instantiate_parameters_1): Convert the type of operands before calling
2823 build_polynomial_chrec.
2824 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2825 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2826 reset_evolution_in_loop): Insert asserts to check the types of the
2828 (chrec_type): Moved...
2829 (eq_evolutions_p): Use operand_equal_p.
2830 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2831 the types of the operands.
2832 (chrec_type): ...here.
2833 * tree-data-ref.c (create_data_ref): Convert the operands before
2834 calling chrec_replace_initial_condition.
2835 (same_access_functions, analyze_subscript_affine_affine,
2836 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2837 (compute_subscript_distance, analyze_ziv_subscript,
2838 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2839 analyze_miv_subscript): Convert the operands before calling
2840 chrec_fold_minus or chrec_fold_plus.
2842 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2844 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2845 the dependence_relations vector.
2846 (compute_data_dependences_for_loop): Adjust call to
2847 compute_all_dependences.
2849 2006-04-01 Roger Sayle <roger@eyesopen.com>
2850 Richard Henderson <rth@redhat.com>
2852 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2853 gimple_boolify on the condition before calling gimplify_expr.
2855 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2857 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2858 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2859 the frame size. Update to use the new macros.
2860 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2861 * config/xtensa/ieee754-df.S: Likewise.
2863 2006-03-31 Richard Henderson <rth@redhat.com>
2865 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2866 (make_edges): ... here. Control fallthru creation with a local
2867 variable. Do not play with fake edges.
2868 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2869 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2872 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2874 * dwarf2.h (DW64_CIE_ID): Define.
2875 * dwarf2out.c (DWARF_CIE_ID): Define.
2876 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2877 length header. Use DWARF_CIE_ID.
2878 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2879 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2881 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2883 * config/sh/linux-atomic.asm: New file.
2884 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2886 2006-03-31 DJ Delorie <dj@redhat.com>
2888 * config/m32c/cond.md: Set condition flags properly throughout.
2889 * config/m32c/minmax.md: Likewise.
2890 * config/m32c/prologue.md: Likewise.
2891 * config/m32c/bitops.md: Likewise.
2892 * config/m32c/muldiv.md: Likewise.
2893 * config/m32c/mov.md: Likewise.
2894 * config/m32c/addsub.md: Likewise.
2895 * config/m32c/m32c.md: Likewise.
2896 * config/m32c/jump.md: Likewise.
2897 * config/m32c/shift.md: Likewise.
2899 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2900 conditionally output the pattern for this.
2901 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2902 (m32c_compare_redundant): New.
2903 (m32c_output_compare): New.
2904 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2906 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2907 dest, not src. Allow other 4-byte modes.
2909 2006-03-30 Denis Chertykov <denisc@overta.ru>
2911 * doc/md.texi: Refer to avr/constraints.md instead of
2914 2006-03-30 Roger Sayle <roger@eyesopen.com>
2916 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2917 signed vs. unsigned comparison failures on some hosts.
2919 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2922 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2923 change to FLOAT_REGS.
2925 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2926 (rs6000_override_options): Use it.
2927 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2928 only for -mabi=spe/no-spe and -mabi=altivec.
2930 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2932 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2935 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2937 * Makefile.in: Rename docdir to gcc_docdir.
2939 2006-03-30 Roger Sayle <roger@eyesopen.com>
2942 * expr.c (emit_group_store): Optimize group stores into a pseudo
2943 register by using a paradoxical subreg to initialize the destination
2944 if the first or last member of the group specifies a "low part".
2946 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2949 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2950 * target.h (struct gcc_target.speculate_insn): Change type of the
2951 second parameter to 'int'.
2952 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2953 the second operand of the DEPS_LIST.
2954 (copy_DEPS_LIST_list): Update reference to the second operand of the
2956 * rtl.h (alloc_DEPS_LIST): Update signature.
2957 * sched-int.h (ds_t): Change typedef to 'int'.
2958 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2960 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2962 * haifa-sched.c (try_ready): Change condition to restore
2963 non-speculative pattern of the instruction.
2964 (process_insn_depend_be_in_spec): Code to keep probability of the
2965 speculative dependence non-decreasing.
2967 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2969 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2970 (single_move_for_movmem): ... this. Also change all uses.
2971 (bfin_expand_strmov): Renamed to...
2972 (bfin_expand_movmem): ... this. Also change all uses.
2973 * config/bfin/bfin.md (movstrsi): Renamed to...
2974 (movstrsi): ...this.
2976 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2978 PR tree-optimization/26830
2980 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2981 (copy_prop_visit_stmt): Remove write-only variable ann.
2982 (init_copy_prop): Check variable loop depth here. Do not simulate
2983 memory-tag and virtual operand PHIs except for store copy prop.
2985 2006-03-30 Richard Guenther <rguenther@suse.de>
2987 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2988 variants with double arguments.
2990 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2992 * genpreds.c (write_tm_constrs_h): Delete variable p.
2993 * genconditions.c (write_header): Add tm-constrs.h to included
2995 * genpeep.c (main): Add toplev.h to included headers.
2996 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2997 (build/genpeep.o): Add toplev.h dependency.
2998 * config/rs6000/constraints.md: Add "W" constraint.
3000 2006-03-29 Roger Sayle <roger@eyesopen.com>
3002 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3003 sizes by correctly testing whether the size fits a host integer.
3004 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3005 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3006 SImode range for the default sizetype and bitsizetype.
3008 2006-03-29 Roger Sayle <roger@eyesopen.com>
3010 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3011 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3012 quickly if the argument is already of the correct type.
3013 Call fold_build1 instead of build1. Tidy up blank lines.
3015 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3017 * genemit.c (main): Add tm-constrs.h to included headers.
3018 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3019 * genpeep.c (main): Add tm-constrs.h to included headers.
3020 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3021 (write_tm_constrs_h): this and write complete file.
3022 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3023 (write_insn_preds_c): Add tm-constrs.h to included headers.
3024 (gen_constrs): New variable.
3025 (parse_option): Parse "-c".
3026 (main): Invoke write_tm_constrs_h.
3027 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3028 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3029 (object_out_file): Add tm-constrs.h dependency.
3030 (insn-emit.o): Same.
3031 (insn-output.o): Same.
3032 (insn-peep.o): Same.
3033 (insn-preds.o): Same.
3034 (insn-recog.o): Same.
3035 (tm-constsr.h): New target.
3036 (s-constrs-h): New target.
3038 * config/rs6000/constraints.md: New file.
3039 * config/rs6000/rs6000.c: Include tm-constrs.h.
3040 (num_insn_constant_wide): Convert to satisfies_constraint.
3041 (rs6000_rtx_costs): Convert to satisfies_constraint.
3042 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3043 (CONST_OK_FOR_LETTER_P): Delete.
3044 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3045 (EXTRA_CONSTRAINT): Delete.
3046 (EXTRA_MEMORY_CONSTRAINT): Delete.
3047 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3048 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3049 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3050 satisfies_constraint.
3052 * config/i386/i386.c: Include tm-constrs.h.
3054 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3056 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3057 * tree-data-ref.c (find_data_references_in_loop,
3058 compute_data_dependences_for_loop): Use pointers to VEC.
3059 (analyze_all_data_dependences): Adjust calls.
3060 * tree-data-ref.h (find_data_references_in_loop,
3061 compute_data_dependences_for_loop): Adjust declarations.
3062 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3063 compute_data_dependences_for_loop.
3065 2006-03-29 Paul Brook <paul@codesourcery.com>
3067 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3070 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3072 PR tree-optimization/26859
3073 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3075 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3076 for the step after fold_convert.
3078 2006-03-29 Paul Brook <paul@codesourcery.com>
3080 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3081 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3083 2006-03-29 Paul Brook <paul@codesourcery.com>
3086 * targhooks.c (default_narrow_bitfield): New fuction.
3087 * targhooks.h (default_narrow_bitfield): add prototype.
3088 * target.h (gcc_target): Add narrow_volatile_bitfield.
3089 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3090 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3091 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3092 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3094 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3096 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3098 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3099 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3100 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3101 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3102 (s390_function_arg_float): Allow SDmode and DDmode values to be
3103 passed in floating point registers.
3104 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3105 check with SCALAR_FLOAT_MODE_P.
3106 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3108 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3110 PR tree-optimization/25985
3111 * tree-ssa-loop-niter.c (number_of_iterations_le,
3112 number_of_iterations_ne): Make comments more precise.
3113 (number_of_iterations_cond): Add only_exit argument. Use the
3114 fact that signed variables do not overflow only when only_exit
3116 (loop_only_exit_p): New.
3117 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3118 number_of_iterations_cond.
3120 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3122 PR tree-optimization/26643
3123 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3126 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3128 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3129 (divsi3_i4_int): Likewise.
3131 2006-03-28 Roger Sayle <roger@eyesopen.com>
3133 * expr.c (emit_group_store): Only create a new pseudo reg if the
3134 quantity it needs to hold isn't already a suitable pseudo.
3136 2006-03-28 Jeff Law <law@redhat.com>
3138 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3139 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3141 2006-03-28 Roger Sayle <roger@eyesopen.com>
3143 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3144 the equivalent ~X & Y, and the symmetry related transformations.
3145 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3146 ~X & Y, and symmetry related transforms.
3148 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3150 Revert my 2006-03-27 patches.
3152 2006-03-28 Roger Sayle <roger@eyesopen.com>
3154 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3155 ~(T1)X, when T1 and T2 are integer types of the same precision
3156 and (T2)X isn't an extension.
3158 2006-03-28 Jeff Law <law@redhat.com>
3160 PR tree-optimization/26796
3161 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3162 need EH edge cleanups rather than purging them immediately.
3163 (eliminate_degenerate_phis): Handle queued EH cleanups.
3165 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3167 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3170 2006-03-27 Roger Sayle <roger@eyesopen.com>
3173 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3174 cast BIT_NOT_EXPR operand to the correct type.
3176 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3178 * tree-loop-linear.c: Don't include varray.h.
3179 (gather_interchange_stats, try_interchange_loops,
3180 linear_transform_loops): Use VEC instead of VARRAY.
3181 * lambda-mat.c: Don't include varray.h.
3182 * tree-chrec.c: Same.
3183 * lambda-trans.c: Same.
3184 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3185 VEC instead of VARRAY.
3186 * tree-vectorizer.h: Idem.
3187 * tree-data-ref.c (dump_data_references,
3188 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3189 initialize_data_dependence_relation, finalize_ddr_dependent,
3190 compute_all_dependences, find_data_references_in_loop,
3191 compute_data_dependences_for_loop, analyze_all_data_dependences,
3192 free_dependence_relation, free_dependence_relations,
3193 free_data_refs): Idem.
3194 * tree-data-ref.h (data_reference_p, subscript_p): New.
3195 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3196 VEC instead of VARRAY.
3197 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3198 (find_data_references_in_loop, compute_data_dependences_for_loop,
3199 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3200 dump_data_dependence_relations, free_dependence_relations,
3201 free_data_refs): Adjust declaration.
3202 (lambda_transform_legal_p): Move declaration here...
3203 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3204 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3205 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3206 vect_analyze_data_refs): Use VEC instead of VARRAY.
3207 * lambda.h (lambda_transform_legal_p): ...from here.
3208 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3209 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3210 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3211 tree-chrec.o): Don't depend on VARRAY_H.
3213 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3215 * rtl.def (Copyright): Update date.
3216 (DEPS_LIST): Change type of the second operand to 'int'.
3217 * target.h (Copyright): Update date.
3218 (struct gcc_target.speculate_insn): Change type of the second parameter
3220 * lists.c (Copyright): Update date.
3221 (alloc_DEPS_LIST): Change signature. Update reference to the second
3222 operand of the DEPS_LIST.
3223 (copy_DEPS_LIST_list): Update reference to the second operand of the
3225 * rtl.h (Copyright): Update date.
3226 (alloc_DEPS_LIST): Update signature.
3227 * sched-int.h (Copyright): Update date.
3228 (ds_t): Change typedef to 'int'.
3229 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3231 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3233 * haifa-sched.c (Copyright): Update date.
3234 (try_ready): Change condition to restore non-speculative pattern
3236 (process_insn_depend_be_in_spec): Code to keep probability of the
3237 speculative dependence non-decreasing.
3239 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3241 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3242 shut up the compiler.
3244 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3246 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3247 to use lib prefix for target.
3248 ($(T)libic_invalidate_array_4-200.a): Likewise.
3249 ($(T)libic_invalidate_array_4a.a): Likewise.
3251 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3252 J"orn Rennecke <joern.rennecke@st.com>
3254 * superh.opt: New file.
3255 * sh.c (boardtype, osruntime): Remove.
3256 * superh.h (SUBTARGET_OPTIONS): Remove.
3257 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3259 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3260 arguments with ^ and/or [].
3262 * config.gcc (sh-*-*): Add quoting to account for quirk of
3264 Replace == with = in enable_incomplete_targets test.
3266 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3267 with MASK_LITTLE_ENDIAN.
3269 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3270 * config/sh/sh.opt: Added to some comments.
3271 * config/sh/superh.h: Removed some chaff.
3273 * config/sh/sh.opt: Add m4-[1234]00* options.
3274 * config/sh/sh.c (sh_handle_option): Likewise.
3275 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3276 (ic_invalidate_array_4-100.o): New rule.
3277 ($(T)libic_invalidate_array_4-100.a): Likewise.
3278 (ic_invalidate_array_4-200.o): Likewise.
3279 ($(T)libic_invalidate_array_4-200.a): Likewise.
3280 (ic_invalidate_array_4a.o): Likewise.
3281 ($(T)libic_invalidate_array_4a.a): Likewise.
3282 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3283 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3285 * config/sh/crt1.asm: Merged in profiling code.
3286 * config/sh/superh.h (STARTFILE_SPEC): Override.
3287 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3288 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3289 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3291 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3292 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3293 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3295 * sh.opt (mpretend-cmove): New option.
3296 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3297 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3298 (movsicc): Add TARGET_PRETEND_CMOVE code.
3300 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3302 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3303 s390_class_max_nregs): New function prototypes.
3304 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3305 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3306 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3307 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3309 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3311 * dwarf2out.c (add_location_or_const_value_attribute): Call
3312 tree_add_const_value_attribute if nothing else works.
3313 (reference_to_unused): New.
3314 (rtl_for_decl_init): Use reference_to_unused to decide whether
3315 to output an initializer.
3317 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3320 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3321 peephole removing spe frob_di_df_2.
3323 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3325 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3326 (subscript_dependence_tester_1): Declared.
3327 (print_dir_vectors, print_dist_vectors): New.
3328 (debug_data_dependence_relation): New.
3329 (dump_data_dependence_relation): Print more details.
3330 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3331 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3332 (save_dist_v, save_dir_v, add_outer_distances,
3333 build_classic_dist_vector_1): New.
3334 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3335 Don't test for lambda_vector_lexico_pos.
3336 (same_access_functions, add_multivariate_self_dist,
3337 add_other_self_distances, dir_from_dist): New.
3338 (build_classic_dir_vector): Replace implementation almost identical to
3339 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3341 (subscript_dependence_tester_1): New.
3342 (subscript_dependence_tester): Handle the lexicographically negative
3343 distance vectors by recomputing the dependence relation.
3344 (compute_affine_dependence): Remove parameter loop_nest_depth.
3345 (compute_self_dependence): Don't call compute_subscript_distance.
3346 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3347 Add a parameter for the loop_nest.
3348 (find_loop_nest_1, find_loop_nest): New.
3349 (compute_data_dependences_for_loop): Compute the loop nest, and give
3350 up if the nest is not well formed.
3351 * tree-data-ref.h (loop_p): New.
3352 (struct data_dependence_relation): Replace size_vect field with
3353 loop_nest, a vec of loops.
3354 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3355 (DDR_LOOP_NEST): New.
3356 (print_dir_vectors, print_dist_vectors,
3357 debug_data_dependence_relation): Declared.
3358 (index_in_loop_nest): New.
3359 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3360 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3363 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3365 * simplify-rtx.c (simplify_relational_operation): Call
3366 simplify_relational_operation_1 even if mode is VOIDmode.
3368 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3370 PR tree-optimization/26804
3371 * tree.h (DECL_CALL_CLOBBERED): New macro.
3372 (tree_decl_common): Add call_clobbered_flag.
3373 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3374 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3375 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3376 (mark_non_addressable): Ditto.
3377 * tree-ssa.c (verify_call_clobbered): New function.
3378 (verify_alias_info): Use it.
3379 * tree-pass.h (pass_reset_cc_flags): New prototype.
3380 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3381 (reset_cc_flags): New function.
3382 * passes.c (init_optimization_passes): Call reset_cc_flags after
3383 initializing referenced_vars.
3385 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3386 Roger Sayle <roger@eyesopen.com>
3389 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3390 to 1.0 for non-real operands. Implement A / A optimization for
3393 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3395 * config/i386/i386.c (size_cost): Correct the comment for
3396 cost of storing fp registers.
3397 (i386_cost): Likewise.
3398 (i486_cost): Likewise.
3399 (pentium_cost): Likewise.
3400 (pentiumpro_cost): Likewise.
3401 (k6_cost): Likewise.
3402 (athlon_cost): Likewise.
3403 (k8_cost): Likewise.
3404 (pentium4_cost): Likewise.
3405 (nocona_cost): Likewise.
3406 (generic64_cost): Likewise.
3407 (generic32_cost): Likewise.
3409 2006-03-24 Denis Chertykov <denisc@overta.ru>
3411 * config/avr/avr-protos.h (extra_constraint): Delete.
3412 (extra_constraint_Q): New declaration.
3413 * config/avr/constraints.md: New file.
3414 * config/avr/avr.md: Include it.
3415 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3416 (TMP_REGNO, ZERO_REGNO): Likewise.
3417 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3418 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3419 (extra_constraint): Delete.
3420 (extra_constraint_Q): Test for memory constraint 'Q'.
3421 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3422 (REG_CLASS_FROM_LETTER): Delete.
3423 (CONST_OK_FOR_LETTER_P): Delete.
3424 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3425 (EXTRA_CONSTRAINT): Delete.
3426 (TMP_REGNO): Delete.
3427 (ZERO_REGNO): Delete.
3429 2006-03-24 Jeff Law <law@redhat.com>
3431 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3432 directly. Call mark_new_vars_to_rename slightly earlier.
3434 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3436 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3438 (gen_compile_unit_die): Use new language types for Objective-C and
3440 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3441 DW_LANG_C_plus_plus.
3444 * config/t-darwin (crt3.o): Work around bug 26840.
3445 * config/darwin-crt3.c: Rewrite.
3446 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3448 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3450 * doc/invoke.texi: Document -femit-class-debug-always
3451 * common.opt: Add -femit-class-debug-always.
3453 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3455 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3456 index and base register.
3457 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3458 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3459 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3460 REGNO_OK_FOR_INDEX_P.
3461 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3463 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3464 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3465 REG_OK_FOR_BASE_P): Definitions removed.
3467 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3470 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3471 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3472 set yet or weren't marked as local yet.
3474 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3476 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3479 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3481 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3482 (rs6000_legitimate_small_data_p): Delete.
3483 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3484 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3485 and make static. Add forward declaration. Update uses.
3486 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3487 of offsettable_memref_p.
3488 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3489 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3491 2006-03-24 Jeff Law <law@redhat.com>
3493 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3494 around bug in immediate-use iterator.
3496 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3499 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3500 or __LITTLE_ENDIAN__.
3502 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3504 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3505 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3506 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3507 * config/sh/sh.opt (mdiv=): Amend description.
3508 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3509 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3510 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3511 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3512 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3513 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3514 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3515 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3516 TARGET_DIVIDE_CALL_FP.
3518 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3520 * haifa-sched.c (choose_ready): Fix type of the local variable.
3521 Move local variables. Add comment.
3522 (check_reg_live): Change signature. Make callable from debugger.
3523 * sched-int.h (check_reg_live): Update signature.
3524 * sched-ebb.c (check_reg_live): Update parameters.
3525 * sched-rgn.c (check_reg_live): Ditto.
3526 (region_head_or_leaf_p): Check pointer before dereferencing.
3527 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3528 before reload on optimization levels below 1.
3530 2006-03-23 Richard Henderson <rth@redhat.com>
3532 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3536 * config/alpha/predicates.md (local_symbolic_operand): Reject
3539 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3542 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3543 expressions which have overflowed constants.
3545 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3547 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3549 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3551 * cfgloopmanip.c (create_loop_notes): Removed.
3552 * final.c (final_scan_insn): Do not handle loop notes.
3553 * jump.c (squeeze_notes): Ditto.
3554 * cfglayout.c (skip_insns_after_block,
3555 duplicate_insn_chain): Ditto.
3556 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3558 * cfgloop.h (create_loop_notes): Declaration removed.
3560 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3562 * varasm.c (output_constant_pool): Restore fnname and fndecl
3564 (assemble_start_function): Adjust call accordingly.
3565 (assemble_end_function): Likewise.
3567 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3570 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3573 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3575 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3578 * system.h (ICE_EXIT_CODE): New macro.
3579 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3580 (diagnostic_action_after_output): Likewise.
3581 * gcc.c (fatal_ice): New function.
3582 (execute): Use it instead of fatal.
3583 (fancy_abort): Likewise.
3584 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3586 2006-03-22 Jeff Law <law@redhat.com>
3588 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3589 iv_analyze_result returning false.
3591 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3593 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3595 2006-03-22 Richard Henderson <rth@redhat.com>
3598 * except.c (duplicate_eh_regions_0): New.
3599 (duplicate_eh_region_1): Duplicate the children of the node as
3600 well as the node itself. Link them up properly.
3601 (duplicate_eh_region_2): Merge into ...
3602 (duplicate_eh_regions): ... here. Take copy_region argument, and
3603 copy only a sub-tree if asked. Simplify copying and fixup.
3604 (eh_region_outer_p): New.
3605 * except.h (duplicate_eh_regions): Update decl.
3606 (eh_region_outer_p): Declare.
3607 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3608 (lower_omp_master): Likewise.
3609 (lower_omp_ordered): Likewise.
3610 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3611 (move_stmt_r): Use it to remap labels. Handle recursion vs
3612 remap_decls_p properly.
3613 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3614 (find_outermost_region_in_block): New.
3615 (new_label_mapper): New.
3616 (move_sese_region_to_fn): Copy eh information to the new function
3618 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3620 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3623 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3625 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3626 into shared libraries.
3628 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3630 * doc/md.texi: Refer to i386/constraints.md instead of
3632 * config/i386/constraints.md: New file, extracted from...
3633 * config/i386/predicates.md: ...here.
3634 * config/i386/i386.md: Include constraints.md.
3636 2006-03-21 Jason Merrill <jason@redhat.com>
3638 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3641 * expr.c (init_block_move_fn): Force default visibility.
3642 (init_block_clear_fn): Likewise.
3643 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3644 * targhooks.c (default_external_stack_protect_fail): Likewise.
3646 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3648 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3649 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3650 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3651 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3652 (loadgp): Use mips_current_loadgp_style.
3653 (loadgp_noshared): New pattern.
3654 (sibcall_internal): Use MIPS_CALL.
3655 (sibcall_value_internal): Likewise.
3656 (sibcall_value_multiple_internal): Likewise.
3657 (call_internal): Likewise.
3658 (call_value_internal): Likewise.
3659 (call_value_multiple_internal): Likewise.
3660 (call_split): Use MIPS_CALL and add an 'S' constraint.
3661 (call_value_split): Likewise.
3662 (call_value_multiple_split): Likewise.
3663 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3664 (-mshared): New option.
3665 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3666 (mips_current_loadgp_style): Declare.
3667 * config/mips/mips.c (mips_classify_symbol): Avoid using
3668 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3669 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3670 TARGET_ABSOLUTE_ABICALLS.
3671 (override_options): Adjust comments. Improve the warning that is
3672 issued when -mabicalls and -G are used together.
3673 (mips_file_start): Remove comment.
3674 (mips_current_loadgp_style): New function.
3675 (mips_gnu_local_gp): New variable.
3676 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3678 (mips_output_function_prologue): Use mips_current_laodgp_style.
3679 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3680 the cprestore instruction.
3681 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3682 live for TARGET_ABSOLUTE_ABICALLS.
3683 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3684 (ASM_SPEC): Pass down -mshared and -mno-shared.
3685 (MIPS_CALL): New macro.
3686 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3688 * doc/invoke.texi (-mabicalls): Update documentation.
3689 (-mshared): Document.
3691 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3693 * config/ia64/unwind-hpux.c: New file.
3694 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3696 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3699 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3701 2006-03-21 Jeff Law <law@redhat.com>
3703 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3704 type conversions of a VR_VARYING source to a wider type.
3706 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3708 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3709 tm_file on Solaris 10 and later.
3710 (sparc64-*-solaris2*): Likewise.
3711 (sparc-*-solaris2*): Likewise.
3712 * config/sol26.h: Rename to config/sol2-6.h.
3713 * config/sol2-10.h: New file.
3715 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3718 * tree-ssa-pre.c (create_component_ref_by_pieces):
3721 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3724 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3725 return it immediately.
3727 2006-03-21 Michael Matz <matz@suse.de>
3729 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3731 (remove_arc, add_arc): Update num_out_arcs member.
3732 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3734 (cache_presence): New function.
3735 (compare_states_for_equiv): New function.
3736 (state_is_differed): Don't take number of outargs, adjust callers.
3737 Use new invariant for speeding up.
3738 (init_equiv_class): Create initial classes based on sorted
3740 (partition_equiv_class): Don't track out_arcs_num.
3741 (evaluate_equiv_classes): Call cache_presence on all states and
3744 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3746 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3747 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3748 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3749 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3751 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3752 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3753 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3754 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3755 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3757 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3758 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3759 (REGNO_REG_CLASS): ARGP is in PREGS.
3760 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3762 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3763 to deal with those addresses.
3764 * addresses.h: New file.
3765 * caller-save.c: Include "addresses.h".
3766 (init_caller_save): Use new base_reg_class function.
3767 * rtl-factoring.c: Include "addresses.h".
3768 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3769 * recog.c: Include "addresses.h".
3770 (preprocess_constraints): Use new base_reg_class function.
3771 * regrename.c: Include "addresses.h".
3772 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3773 functions. Keep track of a new var INDEX_CODE to compute valid
3775 (replace_oldest_value_addr): Likewise.
3776 (replace_oldest_value_mem): Use base_reg_class.
3777 * reload.c: Include "addresses.h".
3778 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3779 (find_reloads): Use new base_reg_class function.
3780 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3781 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3782 all callers and prototype changed.
3783 * reload1.c: Include "addresses.h".
3784 (maybe_fix_stack_asms): Use base_reg_class.
3785 * regclass.c: Include "addresses.h".
3786 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3787 (init_reg_autoinc): Use new base_reg_class function.
3788 (record_reg_classes): Likewise.
3789 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3790 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3791 Use new args to compute necessary class.
3793 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3794 regrename.o, rtl-factoring.o): Update dependencies.
3795 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3796 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3797 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3798 REG_OK_FOR_INDEX_P): Delete documentation.
3800 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3802 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3803 from V7 to V9 for Solaris 7 and above.
3805 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3807 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3808 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3809 argument pointers may not alias any other storage.
3810 * common.opt: Define option -fargument-noalias-anything.
3811 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3812 alias semantics is specified by flag_argument_noalias > 2.
3814 2006-03-20 Jeff Law <law@redhat.com>
3816 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3817 (pass_phi_only_cprop): Declare.
3818 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3820 * tree-ssa-dom.c (degenerate_phi_result): New function.
3821 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3822 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3823 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3824 (eliminate_degenerate_phis): Likewise.
3825 (pass_phi_only_cprop): New pass descriptor.
3826 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3827 support code. Callers updated.
3828 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3829 (store_copy_prop): Likewise.
3830 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3832 2006-03-20 Jason Merrill <jason@redhat.com>
3835 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3836 (push_visibility, pop_visibility): Likewise.
3837 * c-pragma.h: Declare them.
3839 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3841 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3843 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3844 parameter and use get_ebb_head_tail.
3845 (sh_md_init_global): Adjust uses of find_regmode_weight.
3847 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3849 * function.h (struct function) <x_tail_recursion_reentry>:
3850 Rename to x_stack_check_probe_note.
3851 (tail_recursion_reentry): Rename to stack_check_probe_note.
3852 * function.c: Replace tail_recursion_reentry with
3853 stack_check_probe_note everywhere.
3854 (expand_function_start): Only emit a note for
3855 stack_check_probe_note with -fstack-protect.
3856 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3858 * emit-rtl.c (remove_unnecessary_notes): Remove.
3859 (pass_remove_unnecessary_notes): Remove.
3860 * rtl.h (remove_unnecessary_notes): Remove prototype.
3861 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3862 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3863 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3865 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3868 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3869 (valid_in_set): Handle ARRAY_REF.
3870 Change "if min_variant or VH" to asserts.
3871 (create_component_ref_by_pieces): Handle ARRAY_REF.
3872 (create_expression_by_pieces): Likewise.
3873 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3875 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3877 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3878 is operand of switch, not str[0].
3880 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3882 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3883 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3885 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3887 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3888 end of insn_extra_address_constraint declaration.
3890 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3892 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3893 (no-sum-in-toc): Same.
3894 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3896 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3897 NO_FP_IN_TOC for -fPIC instead of mask.
3899 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3900 (BOOT_LDFLAGS): Delete.
3902 * config/rs6000/t-aix52: Same.
3904 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3905 (stmsi[345678]_power): New.
3907 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3909 * config/ia64/ia64.opt: Add empty line to end of file.
3911 2006-03-17 Richard Guenther <rguenther@suse.de>
3914 * builtins.c (get_pointer_alignment): For component style references
3915 adjust alignment to the component type alignment. Make sure
3916 to adjust alignment for component access of constants.
3918 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3920 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3923 2006-03-17 Paul Brook <paul@codesourcery.com>
3925 * doc/install.texi: Docuemnt --with-mode.
3926 * config.gcc: Add --with-mode for arm*-*-*.
3927 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3929 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3931 * sh.c (max_labelno_before_reorg): New variable.
3932 (sh_reorg): Initialize it.
3933 (find_barrier): Check max_labelno_before_reorg before using
3934 label_to_alignment. Take length of explicit alignment insns
3935 into account. When seeing a UNSPECV_CONST_END, return it.
3937 * sh.c (fixup_mova): Set mode of affected label to QImode.
3938 (untangle_mova): New function.
3939 (find_barrier): Use it. Check mode of label before decrementing
3941 (sh_reorg): Likewise.
3942 Set mode of all insns back to VOIDmode.
3944 * sh.c (MOVA_LABELREF): New macro.
3945 (mova_p, fixup_mova, sh_reorg): Use it.
3946 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3947 ADDR_DIFF_VEC matches mova.
3949 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3951 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3952 with ATTRIBUTE_UNUSED.
3954 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3956 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3957 pointer, instead of assuming it is possible to derive the
3958 correct args size from a call insn.
3960 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3962 * rtl.h (CONST_INT_P): Define.
3963 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3964 instead of GET_CODE(x) == CONST_INT.
3965 (vax_rtx_costs): Likewise.
3966 (vax_output_int_move): Likewise.
3967 (vax_output_int_add): Likewise.
3968 (legitimate_constant_address_p): Likewise.
3969 (index_term_p): Likewise.
3970 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3971 * config/vax/vax.md (and<mode>3): Likewise.
3972 (ashrsi3): Likewise.
3974 (movstricthi): Likewise.
3975 (movstrictqi): Likewise.
3976 (rotrsi3): Likewise.
3977 (five unnamed insns): Likewise.
3979 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3981 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3982 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3983 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3984 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3985 Pass to ASM_OUTPUT_DWARF_OFFSET.
3986 * dwarf2out.c (debug_frame_section): New.
3987 (output_call_frame_info): Use debug_frame_section. Pass it to
3988 dw2_asm_output_offset.
3989 (output_die): Pass appropriate section to dw2_asm_output_offset.
3990 (output_compilation_unit_header): Likewise.
3991 (output_pubnames): Likewise.
3992 (output_aranges): Likewise.
3993 (enum dw_val_class): Break dw_val_class_lbl_offset into
3994 dw_val_class_lineptr and dw_val_class_macptr.
3995 (add_AT_lbl_offset): Delete.
3996 (add_AT_lineptr): New.
3997 (add_AT_macptr): New.
3998 (AT_lbl): Expect a lineptr or macptr.
3999 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4000 (attr_checksum): Likewise.
4001 (same_dw_val_p): Likewise.
4002 (size_of_die): Likewise.
4003 (value_format): Likewise.
4004 (output_die): Likewise.
4005 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4007 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4008 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4009 * config/darwin-protos.h (darwin_file_start): New.
4010 (darwin_asm_output_dwarf_offset): New.
4011 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4012 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4014 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4015 if not EH section; simplify.
4016 (darwin_file_start): New.
4017 (darwin_asm_output_dwarf_offset): New.
4018 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4020 (DEBUG_INFO_SECTION): Likewise.
4021 (DEBUG_ABBREV_SECTION): Likewise.
4022 (DEBUG_ARANGES_SECTION): Likewise.
4023 (DEBUG_MACINFO_SECTION): Likewise.
4024 (DEBUG_LINE_SECTION): Likewise.
4025 (DEBUG_LOC_SECTION): Likewise.
4026 (DEBUG_PUBNAMES_SECTION): Likewise.
4027 (DEBUG_STR_SECTION): Likewise.
4028 (DEBUG_RANGES_SECTION): Likewise.
4029 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4030 (ASM_OUTPUT_DWARF_OFFSET): New.
4032 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4034 * config.gcc (tm_defines): Always add to previous value rather
4037 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4039 * config/mips/predicates.md (splittable_const_int_operand): New,
4040 split from move_operand.
4041 (splittable_symbolic_operand): New.
4042 (move_operand): Add commentary. Use splittable_const_int_operand.
4043 Inline mips_atomic_symbolic_constant_p.
4044 * config/mips/mips.md: Add combine splitters for handling moves
4045 of splittable_const_int_operands and splittable_symbolic_operands.
4046 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4047 (mips_split_symbol): Declare.
4048 (mips_move_integer): Declare.
4049 * config/mips/mips.c (mips_split_p): Make global.
4050 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4051 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4052 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4053 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4054 (mips_offset_within_object_p): Handle block symbols.
4055 (mips_atomic_symbolic_constant_p): Delete.
4056 (mips_cannot_force_const_mem): Return false for constants that
4057 mips_legitimize_move can handle.
4058 (mips_use_blocks_for_constant_p): New function.
4059 (mips_split_symbol): Make global.
4060 (mips_move_integer): Likewise. Add a temporary register argument.
4061 (mips_legitimize_const_move): Use splittable_const_int_operand and
4062 splittable_symbolic_operand.
4063 (mips_use_anchors_for_symbol_p): New function.
4064 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4065 (mips_split_p): Declare.
4067 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4069 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4070 (mips*-*-linux*): Likewise.
4072 2006-03-16 Roger Sayle <roger@eyesopen.com>
4073 Daniel Speyer <dspeyer@wam.umd.edu>
4076 * tree-dump.c (dump_real): New function.
4077 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4078 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4079 (tree-dump.o): Add $(REAL_H) to the dependencies.
4081 2006-03-16 Roger Sayle <roger@eyesopen.com>
4084 * real.c (real_from_string): If the mantissa is zero, don't bother
4085 parsing the exponent as the result should always be zero.
4087 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4089 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4091 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4093 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4094 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4095 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4096 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4097 ia64_sched_finish_global): New static functions to implement
4098 hooks from gcc_target.sched.
4099 (spec_check_no, max_uid, pending_data_specs): New static variables.
4100 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4101 ia64_spec_check_src_p): New static functions.
4102 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4103 (TARGET_SCHED_ADJUST_COST): Removed.
4104 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4105 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4106 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4107 TARGET_SCHED_GEN_CHECK,
4108 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4109 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4110 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4111 Fixed to handle speculation checks.
4112 (rtx_needs_barrier): Fixed to handle speculative loads and
4114 (ia64_variable_issue): Added code to count speculative loads and their
4116 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4118 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4120 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4122 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4123 (ia64_reorg): Reset stops_p to NULL after it is freed.
4124 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4125 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4126 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4128 (data_speculative, control_speculative, check_load): New attributes.
4129 (mov<mode>_advanced, mov<mode>_speculative,
4130 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4131 zero_extend<mode>di2_speculative,
4132 zero_extend<mode>di2_speculative_advanced): New patterns for
4133 data and control speculative loads.
4134 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4136 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4137 New pattern for data and control speculation checks.
4138 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4139 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4140 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4141 Auxiliary definitions for the patterns.
4142 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4143 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4145 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4147 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4148 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4149 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4150 New resource constraints.
4151 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4153 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4154 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4155 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4156 msched-in-control-spec, msched-ldc, msched-control-ldc,
4157 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4158 msched-prefer-non-control-spec-insns,
4159 msched-count-spec-in-critical-path): New flags to tune speculative
4161 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4162 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4163 msched-in-control-spec, msched-ldc, msched-control-ldc,
4164 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4165 msched-prefer-non-control-spec-insns,
4166 msched-count-spec-in-critical-path): Document new flags.
4168 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4170 * target.h (struct spec_info_def): New opaque declaration.
4171 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4172 speculate_insn, needs_block_p, gen_check,
4173 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4174 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4175 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4176 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4177 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4178 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4180 (TARGET_SCHED): Use new macros.
4181 * rtl.h (copy_DEPS_LIST_list): New prototype.
4182 * sched-int.h (struct sched_info): Change signature of new_ready field,
4183 adjust all initializations. New fields: add_remove_insn,
4184 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4185 region_head_or_leaf_p.
4186 (struct spec_info_def): New structure declaration.
4187 (spec_info_t): New typedef.
4188 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4189 recovery_block, orig_pat.
4190 (glat_start, glat_end): New variables declaraions.
4191 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4193 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4194 DETACH_LIFE_INFO, USE_GLAT.
4195 (enum SPEC_SCHED_FLAGS): New enumeration.
4196 (NOTE_NOTE_BB_P): New macro.
4197 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4198 attach_life_info, debug_spec_status, check_reg_live): New functions.
4199 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4200 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4202 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4203 * ddg.c (get_block_head_tail): Adjust all uses.
4204 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4205 (sms_sched_info): Initialize new fields.
4206 (contributes_to_priority): Removed.
4207 * haifa-sched.c (params.h): New include.
4208 (get_block_head_tail): Adjust all uses.
4209 (ISSUE_POINTS): New macro.
4210 (glat_start, glat_end): New global variables.
4211 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4212 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4213 old_last_basic_block, before_recovery, current_sched_info_var,
4214 rgn_n_insns, luid): New static variables.
4215 (insn_cost1): New function. Move logic from insn_cost to here.
4216 (find_insn_reg_weight1): New function. Move logic from
4217 find_insn_reg_weight to here.
4218 (reemit_notes, move_insn, max_issue): Change signature.
4219 (move_insn1): Removed.
4220 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4221 extend_bb): New static functions to support extension of scheduler's
4223 (generate_recovery_code, process_insn_depend_be_in_spec,
4224 begin_speculative_block, add_to_speculative_block,
4225 init_before_recovery, create_recovery_block, create_check_block_twin,
4226 fix_recovery_deps): New static functions to support
4227 generation of recovery code.
4228 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4229 restore_bb_notes, move_block_after_check, move_succs): New static
4230 functions to support ebb scheduling.
4231 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4232 functions to support handling of register live information.
4233 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4234 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4235 add_jump_dependencies): New static functions.
4236 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4237 consistancy checking.
4238 (debug_spec_status): New function to call from debugger.
4239 (priority): Added code to handle speculation checks.
4240 (rank_for_schedule): Added code to distinguish speculative instructions.
4241 (schedule_insn): Added code to handle speculation checks.
4242 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4243 Fixed to handle ebbs.
4244 (move_insn): Added code to handle ebb scheduling.
4245 (max_issue): Added code to use ISSUE_POINTS of instructions.
4246 (choose_ready): Added code to choose between speculative and
4247 non-speculative instructions.
4248 (schedule_block): Added code to handle ebb scheduling and scheduling of
4249 speculative instructions.
4250 (sched_init): Initialize new variables.
4251 (sched_finish): Free new variables. Print statistics.
4252 (try_ready): Added code to handle speculative instructions.
4253 * lists.c (copy_DEPS_LIST_list): New function.
4254 * sched-deps.c (extend_dependency_caches): New function. Move logic
4255 from create_dependency_caches to here.
4256 (get_dep_weak, ds_merge): Make global.
4257 * genattr.c (main): Code to output prototype for
4258 dfa_clear_single_insn_cache.
4259 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4260 (output_dfa_clean_insn_cache_func): Code to output
4261 dfa_clear_single_insn_cache function.
4262 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4264 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4266 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4267 New static variables.
4268 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4269 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4271 (ebb_sched_info): Initialize new fields.
4272 (get_block_head_tail): Adjust all uses.
4273 (compute_jump_reg_dependencies): Fixed to use glat_start.
4274 (schedule_ebb): Code to remove unreachable last block.
4275 (schedule_ebbs): Added code to update register live information.
4276 * sched-rgn.c (region_sched_info): Initialize new fields.
4277 (get_block_head_tail): Adjust all uses.
4278 (last_was_jump): Removed. Adjust users.
4279 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4280 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4281 Implement new hooks.
4282 (check_dead_notes1): New static function.
4283 (struct region): New fields: dont_calc_deps, has_real_ebb.
4284 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4285 (BB_TO_BLOCK): Fixed to handle EBBs.
4286 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4287 (ebb_head): New static variable.
4288 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4289 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4291 (compute_dom_prob_ps): New assertion.
4292 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4293 global_live_at_start.
4294 (init_ready_list): New assertions.
4295 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4296 (new_ready): Add support for BEGIN_CONTROL speculation.
4297 (schedule_insns): Fixed code that updates register live information
4299 (schedule_region): Fixed to handle EBBs.
4300 (init_regions): Use extend_regions and check_dead_notes1.
4301 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4302 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4303 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4304 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4305 TARGET_SCHED_GEN_CHECK,
4306 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4307 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4308 * doc/invoke.texi (max-sched-insn-conflict-delay,
4309 sched-spec-prob-cutoff): Document.
4311 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4313 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4314 inter_tick, queue_index.
4315 (struct sched_info): Change signature of init_ready_list field.
4316 Adjust all initializations.
4317 (RESOLVED_DEPS): New access macro.
4318 (ready_add): Remove prototype.
4319 (try_ready): Add prototype.
4320 * sched-rgn.c (init_ready_list): Use try_ready.
4321 (schedule_region): Initialize
4322 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4323 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4324 (init_ready_list): Use try_ready.
4325 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4326 * lists.c (remove_list_elem): Remove `static'.
4327 (remove_free_INSN_LIST_elem): New function.
4328 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4329 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4330 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4332 (readyp): New variable.
4333 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4334 change_queue_index, resolve_dep): New static functions.
4335 (try_ready): New function. Adjust callers in sched-rgn.c and
4336 sched-ebb.c to use it instead of ready_add.
4337 (clock_var): Move at the begining of file.
4338 (rank_for_schedule): Fix typo.
4339 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4340 (ready_lastpos): Enforce assertion.
4341 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4343 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4344 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4345 (queue_to_ready): Use free_INSN_LIST_list.
4346 (early_queue_to_ready): Fix typo.
4347 (schedule_block): Init readyp. Move init_ready_list call after the
4348 initialization of clock_var. Fix error in rejecting insn by
4349 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4350 that previously corrected INSN_TICKs. Add code for handling
4352 (set_priorities): Fix typo.
4353 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4354 Clarify comment and code that keeps current_sched_info->next_tail
4357 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4359 * sched-rgn.c (extend_rgns): New static function.
4360 (find_rgns): Use it.
4361 (gather_region_statistics, print_region_statistics): New static
4363 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4364 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4366 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4367 Andrey Belevantsev <abel@ispras.ru>
4369 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4370 * lists.c (unused_deps_list): New variable.
4371 (free_list): Add assertions to verify the proper distinguishing
4372 between INSN_LISTs and DEPS_LISTs.
4373 (find_list_elem, remove_list_elem, remove_list_node): New static
4375 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4376 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4377 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4378 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4380 (free_INSN_LIST_node): Likewise.
4381 * modulo-sched.c (current_sched_info): Initialize flags field.
4382 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4383 * rtl.def (DEPS_LIST): Define.
4384 * rtl.h: Declare new functions from lists.c.
4385 * sched-deps.c (spec_dependency_cache): New static variable.
4386 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4387 (add_dependence): Change return type to void. Move the logic to ...
4388 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4389 (delete_all_dependences): Add comment about forward_dependency_cache.
4390 Handle spec_dependency_cache. Handle DEPS_LISTs.
4391 (fixup_sched_groups): Clarify the change of priority of output
4392 and anti dependencies.
4393 (sched_analyze_2): Adjust add_dependence calls to create data
4394 speculative dependence.
4395 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4396 Adjust all callers. Handle DEPS_LISTS.
4397 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4398 presence of speculation.
4399 (init_dependency_caches, free_dependency_caches):
4400 Handle spec_dependency_cache.
4401 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4402 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4403 New static functions.
4404 (add_or_update_back_dep, add_or_update_back_forw_dep,
4405 add_back_forw_dep, delete_back_forw_dep): New functions.
4406 * sched-int.h (ds_t, dw_t): New typedefs.
4407 (struct sched_info): Add new field flags.
4408 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4409 Prototype new sched-deps.c functions.
4410 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4411 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4412 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4413 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4414 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4415 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4417 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4419 * sched-rgn.c (current_sched_info): Initialize flags field.
4420 (schedule_insns): Initialize current_sched_info before the sched_init
4422 * sched-ebb.c (current_sched_info): Initialize flags field.
4423 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4424 Call add_or_update_back_dep instead of add_dependence.
4425 Create control speculative dependencies.
4426 (schedule_insns): Initialize current_sched_info before the sched_init
4429 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4431 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4433 (sh_fallback_frame_state): Likewise.
4435 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4437 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4438 Do switch on default_use_cxa_atexit.
4439 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4440 * config/darwin-crt3.o: New.
4441 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4442 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4443 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4445 * config/rs6000/t-darwin: Move crt2.o building to here.
4446 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4447 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4450 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4452 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4453 from '! xxx' to '!xxx' for coding-style conformance.
4454 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4455 (EXTRA_CONSTRAINT): Likewise.
4456 * config/vax/vax.md (four unnamed insns): Likewise.
4458 2006-03-15 Paul Brook <paul@codesourcery.com>
4460 * config/arm/arm.c (minipool_pad): New.
4461 (add_minipool_forward_ref): Include pool alignment padding in address
4463 (push_minipool_fix): Set minipool_pad.
4464 (minipool_pad): Ditto.
4466 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4468 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4469 instead of GET_CODE() == MEM and REG_P() instead of
4471 (print_operand_address): Likewise.
4472 (vax_address_cost): Likewise.
4473 (vax_rtx_costs): Likewise.
4474 (vax_notice_update_cc): Likewise.
4475 (vax_output_int_add): Likewise.
4476 (INDEX_REGISTER_P): Likewise.
4477 (BASE_REGISTER_P): Likewise.
4478 (nonindexed_address_p): Likewise.
4479 (vax_mode_dependent_address_p): Likewise.
4480 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4481 (PRINT_OPERAND): Likewise.
4482 * config/vax/vax.md (ashlsi3): Likewise.
4483 (ashlsi3): Likewise.
4484 (some more unnamed insns): Likewise.
4486 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4488 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4489 iterator-style macro.
4490 (mark_control_dependent_edges_necessary): Update the use of
4491 EXECUTE_IF_CONTROL_DEPENDENT.
4493 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4495 * config/sh/predicates.md (cache_address_operand): Special.
4496 (ua_address_operand): Likewise.
4498 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4500 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4502 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4504 2006-03-15 Andreas Schwab <schwab@suse.de>
4506 * gensupport.c (identify_predicable_attribute): Don't free p_false
4507 when it is still in use.
4509 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4511 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4512 the default setting here.
4514 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4516 * tree-pass.h (pass_cfg): Remove.
4517 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4518 * passes.c (pass_cfg): Don't run it.
4520 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4522 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4523 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4525 (stack_regs_mentioned): Update the uses of
4526 stack_regs_mentioned_data. Don't access the array beyond its
4528 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4529 Don't include gt-reg-stack.h.
4531 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4532 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4534 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4537 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4540 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4542 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4544 2006-03-14 Richard Guenther <rguenther@suse.de>
4546 PR tree-optimization/26672
4547 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4550 2006-03-14 Richard Guenther <rguenther@suse.de>
4552 PR tree-optimization/26667
4553 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4554 node for the callees. Always allow inlining if it will shrink
4557 2006-03-14 Richard Guenther <rguenther@suse.de>
4560 * builtins.c (get_pointer_alignment): Prefer alignment
4561 information from decls over that from types.
4563 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4566 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4568 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4570 * config/rs6000/rs6000.opt (mdlmzb): New option.
4571 (msched-prolog, msched-epilog): Use Var not Mask.
4572 * doc/invoke.texi (-mdlmzb): Document.
4573 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4575 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4576 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4578 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4580 PR rtl-optimization/25739
4581 * bt-load.c (augment_live_range): Free tos pointer.
4583 * gensupport.c (identify_predicable_attribute): Free
4585 * gcov.c (create_file_names): Free name pointer.
4587 2006-03-13 Roger Sayle <roger@eyesopen.com>
4590 * stmt.c (emit_case_nodes): Handle the case where the index is a
4591 CONST_INT, where the comparison mode is specified by the index type.
4593 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4595 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4598 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4600 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4601 (*branch_fp_inverted): Likewise.
4603 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4606 * omp-low.c (expand_omp_for_generic): Mark istart0
4607 and iend0 as addressable.
4609 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4611 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4613 2006-03-13 Jeff Law <law@redhat.com>
4615 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4616 virtual operands are interesting.
4617 (vrp_visit_stmt): Corresponding changes.
4619 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4621 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4623 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4624 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4625 * config/bfin/crti.S: Use it instead of __PIC__.
4626 * config/bfin/crtn.S: Likewise.
4628 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4629 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4631 Lose 'G' modifier for call operand.
4632 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4633 recognize 'G' modifier.
4635 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4638 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4639 * stmt.c (expand_case): Likewise.
4641 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4643 PR rtl-optimization/26254
4644 * loop-invariant.c (seq_insns_valid_p): New function.
4645 (move_invariant_reg): Only emit new code if it is valid.
4647 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4649 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4651 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4652 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4653 (commit_one_edge_insertion): Do not look for loop notes.
4655 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4657 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4658 flag_test_coverage out of loop.
4660 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4662 * final.c (shorten_branches): Remove outdated comment, and turn
4663 the if branch that guards it to continue.
4665 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4667 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4668 * cfgloop.h (struct loop): Remove unused fields.
4670 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4672 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4673 (-dL, -fdump-rtl-loop2): Update the dump file names
4675 * doc/invoke.texi: Update dump file names.
4677 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4679 * predict.c (estimate_probability): Remove.
4680 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4681 * basic-block.h (estimate_probability): Remove prototype.
4682 * passes.c (finish_optimization_passes): Dump branch prediction or
4683 profiling heuristics to the .profile tree dump.
4684 (init_optimization_passes): Unqueue pass_branch_prob.
4686 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4688 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4690 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4691 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4693 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4695 * function.h (frame_offset_overflow): Declare.
4696 * function.c (frame_offset_overflow): New function.
4697 (assign_stack_local_1): Call it to detect that the offset overflows.
4698 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4700 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4702 * config/sh/sh.c: Include alloc-pool.h.
4703 (label_ref_list_pool): New alloc pool.
4704 (label_ref_list_t): New type for lists of labels.
4705 (struct pool_node): Make wend a label_ref_list_t.
4706 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4708 (dump_table): Likewise.
4709 (sh_reorg): Set up the alloc pool before using add_constant and
4710 dump_table, and destroy it when finishing.
4712 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4714 * config/mips/mips.c: Remove redundant comment.
4716 2006-03-10 Jason Merrill <jason@redhat.com>
4719 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4720 the target was declared 'register'.
4722 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4724 * genpreds.c (write_insn_constraint_len): Change definition of
4725 insn_constraint_len to return size_t to match the declaration.
4727 2006-03-10 DJ Delorie <dj@redhat.com>
4729 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4731 (m32c_expand_insv): Fix test for an AND mask.
4733 2006-03-10 Richard Guenther <rguenther@suse.de>
4736 * builtins.c (get_pointer_alignment): Handle component
4737 references for field alignment.
4739 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4741 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4742 when building with libgloss.
4743 (sh*elf): Implement --without-fp option.
4744 (sh64-superh-linux*): Don't multilib.
4746 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4748 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4750 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4752 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4753 Set it when one of the replacement functions returned true.
4754 Return TODO_cleanup_cfg if cfgchanged is true.
4755 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4757 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4759 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4760 instead of gen_lowpart.
4762 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4764 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4766 (mips_output_order_conditional_branch): Declare.
4767 * config/mips/mips.h (MIPS_BRANCH): New macro.
4768 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4769 for the comparison. Use gen_condjump.
4770 (mips_output_conditional_branch): Rework interface to take the
4771 asm templates for a direct branch and the inverse of a direct branch.
4772 (mips_output_order_conditional_branch): New function.
4773 (mips_builtin_branch_and_move): New function.
4774 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4775 branch condition. Use gen_single_cc as the condition for
4776 __builtin_mips_upper_* or __builtin_mips_lower_*.
4777 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4778 Use VOIDmode for the branch condition.
4779 * config/mips/predicates.md (order_operator): New predicate.
4780 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4781 (branch_fp): Rename to...
4782 (*branch_fp): ...this. Remove mode from comparison operator.
4783 Use new mips_output_conditional_branch interface.
4784 (branch_fp_inverted): Rename to...
4785 (*branch_fp_inverted): ...this and update as for *branch_fp.
4786 (*branch_zero<mode>): Rename to...
4787 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4788 Use mips_output_order_conditional_branch. Only accept ordered
4790 (*branch_zero<mode>_inverted): Rename to...
4791 (*branch_order<mode>_inverted): ...this and update as for
4792 *branch_order<mode>.
4793 (*branch_equality<mode>): Accept zero as the second operand to
4794 the equality operator. Use the new mips_output_conditional_branch
4796 (*branch_equality<mode>_inverted): Likewise.
4797 (condjump): New expander.
4798 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4800 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4801 (bc1any2t, bc1any2f): Likewise.
4802 (single_cc): New expander.
4803 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4805 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4807 * doc/md.texi: Update documentation of MIPS constraints.
4808 * config/mips/constraints.md: New file.
4809 * config/mips/mips.md: Include it.
4810 * config/mips/mips.c (mips_char_to_class): Delete.
4811 (override_options): Don't initialize mips_char_to_class.
4812 * config/mips/mips.h (mips_char_to_class): Delete.
4813 (REG_CLASS_FROM_LETTER): Delete.
4814 (CONST_OK_FOR_LETTER_P): Delete.
4815 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4816 (EXTRA_CONSTRAINT_Y): Delete.
4817 (EXTRA_CONSTRAINT_STR): Delete.
4818 (CONSTRAINT_LEN): Delete.
4819 (EXTRA_MEMORY_CONSTRAINT): Delete.
4821 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4823 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4824 original fn's eh regions.
4826 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4828 * fold-const.c (build_range_check): Make sure to use a valid type to
4829 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4832 (range_predecessor): New static function.
4833 (range_successor): Likewise.
4834 (merge_ranges): Use them to compute predecessors and successors of
4837 2006-03-09 Roger Sayle <roger@eyesopen.com>
4840 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4841 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4843 2006-03-08 DJ Delorie <dj@redhat.com>
4845 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4846 (addpsi3): Expand to include memory operands. Remove
4847 reload-specific splits.
4848 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4849 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4850 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4851 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4852 (shift1_qi, shift1_hi, insv): New.
4853 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4854 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4855 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4857 * config/m32c/m32c-protos.h: Update as needed.
4858 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4859 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4860 Fail for unrecognized R* constraints.
4861 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4862 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4863 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4865 (m32c_init_libfuncs): New.
4866 (m32c_legitimate_address_p): Add debug wrapper.
4867 (m32c_rtx_costs): New.
4868 (m32c_address_cost): New.
4869 (conversions): Add 'B' prefix.
4870 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4871 operands, or word regnames for QI operands. 'B' prints bit
4873 (m32c_expand_setmemhi): New.
4874 (m32c_expand_movmemhi): New.
4875 (m32c_expand_movstr): New.
4876 (m32c_expand_cmpstr): New.
4877 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4878 (m32c_expand_neg_mulpsi3): Handle non-ints.
4879 (m32c_cmp_flg_0): New.
4880 (m32c_expand_movcc): New.
4881 (m32c_expand_insv): New.
4882 (m32c_scc_pattern): New.
4883 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4884 a0/a1 out of SIregs.
4885 (STORE_FLAG_VALUE): New.
4886 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4889 * config/m32c/mov.md: Make constraints more liberal.
4890 (zero_extendqihi2): Optimize r0/r1 case.
4891 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4892 * config/m32c/predicates.md (m32c_any_operand): New.
4893 (m32c_nonimmediate_operand): New.
4894 (m32c_hl_operand): New.
4895 (m32c_r3_operand): New.
4898 (memsym_operand): New.
4899 (memimmed_operand): New.
4900 (a_qi_operand): New.
4901 (m32c_eqne_operator): New.
4902 (m32c_1bit8_operand): New.
4903 (m32c_1bit16_operand): New.
4904 (m32c_1mask8_operand): New.
4905 (m32c_1mask16_operand): New.
4906 * config/m32c/blkmov.md: New file.
4907 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4909 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4911 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4912 unsigned to fix signed/unsigned comparison issue in
4913 DWARF2_FRAME_REG_OUT.
4914 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4915 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4917 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4918 of ptr into the ENABLE_CHECKING section.
4920 2006-03-08 Jeff Law <law@redhat.com>
4922 * tree-vrp.c (infer_value_range): Only count pointer uses
4923 and dereferences if -fdelete-null-pointer-checks is enabled.
4925 * tree-vrp.c (find_assert_locations): Infer value ranges for
4926 single use pointers, but do not create ASSERT_EXPRs for them.
4927 When a non-null range is inferred for a pointer, backwards
4928 propagate that range to other equivalent pointers through the
4931 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4934 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4935 language hook targets.
4936 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4937 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4938 if language hook targets were missing.
4940 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4942 * tree-ssa-opfinalize.h: Removed.
4943 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4945 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4946 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4947 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4948 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4949 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4950 finalize_ssa_v_must_def_ops): New.
4952 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4954 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4957 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4959 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4961 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4962 addresses with offsets; reorganize.
4964 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4965 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4966 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4968 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4971 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4973 2006-03-08 Ben Elliston <bje@au.ibm.com>
4975 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4977 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4980 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4983 2006-03-07 Richard Guenther <rguenther@suse.de>
4985 PR tree-optimization/26587
4986 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4988 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4990 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4992 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4994 * hooks.c (hook_bool_mode_rtx_true): New function.
4995 * hooks.h (hook_bool_mode_rtx_true): Declare.
4996 * toplev.c (compile_file): Call output_shared_constant_pool.
4997 * varasm.c (shared_constant_pool): New variable.
4998 (assemble_start_function, assemble_end_function): Remove arguments
4999 from call to output_constant_pool.
5000 (create_constant_pool): New function, split out from...
5001 (init_varasm_status): ...here.
5002 (force_const_mem): Choose between the shared and per-function constant
5003 pools. Set current_function_uses_const_pool when reusing old entries
5004 as well as when creating new ones.
5005 (mark_constant): Ignore data argument.
5006 (mark_constants): Remove pool argument.
5007 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5008 to decide whether the function uses a constant pool.
5009 (output_constant_pool_contents): New function, split out from...
5010 (output_constant_pool): ...here.
5011 (output_shared_constant_pool): New function.
5012 (init_varasm_once): Initialize shared_constant_pool.
5013 * output.h (output_constant_pool): Delete.
5014 (output_shared_constant_pool): Declare.
5015 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5016 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5018 2006-03-06 Nick Clifton <nickc@redhat.com>
5020 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5021 flag_strength_reduce.
5023 2006-03-06 Ben Elliston <bje@au.ibm.com>
5025 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5026 x86_64-*-linux* configurations.
5028 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5029 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5031 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5033 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5035 * basic-block.h: Remove the extern for
5036 rediscover_loops_after_threading.
5038 * cfgloop.c (cancel_loop): Make it static.
5039 * cfgloop.h: Remove the prototype for cancel_loop.
5041 * flow.c (recompute_reg_usage): Make it static.
5042 * rtl.h: Remove the prototype for recompute_reg_usage.
5044 * function.c (use_return_register): Make it static.
5045 * function.h: Remove the prototype.
5047 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5049 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5051 * recog.h: Remove the prototype for
5052 validate_change_maybe_volatile.
5054 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5056 * rtlanal.c (replace_reg): Remove.
5057 * rtl.h: Remove the prototype for replace_reg.
5059 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5061 * regclass.c (reg_scan_update): Remove.
5062 (reg_scan_mark_refs): Remove the last argument.
5063 * rtl.h: Remove the prototype for reg_scan_update.
5065 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5067 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5068 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5069 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5070 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5071 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5072 loop-invariant.c, omp-low.c, opts.c, passes.c,
5073 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5074 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5075 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5076 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5077 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5078 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5080 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5082 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5083 * dwarf2out.h: Remove the prototype for
5084 dwarf2out_add_library_unit_info.
5086 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5088 * tree.c (add_var_to_bind_expr): Remove.
5089 * tree.h: Remove the prototype for add_var_to_bind_expr.
5091 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5093 * regclass.c (n_non_fixed_regs): Remove.
5094 (init_reg_sets_1, globalize_reg): Remove all uses of
5096 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5098 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5100 * rtlanal.c (insns_safe_to_move_p): Remove.
5101 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5103 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5105 * expmed.c (expand_mult_add): Remove.
5106 * expr.h: Remove the prototype for expand_mult_add.
5108 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5110 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5111 and REG_SAVED_VAL_EXP constants.
5112 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5113 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5114 Handle regs stored by value.
5115 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5116 (execute_cfa_program): Handle DW_CFA_val_offset,
5117 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5118 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5119 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5120 (uw_install_context_1): Handle target regs stored by value.
5122 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5124 * tree-sra.c (tree_sra): Return todoflags;
5125 (generate_one_element): Set TODO_update_smt_usage if needed.
5126 (pass_sra): Remove TODO_update_smt_usage.
5127 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5129 (tree_ssa_forward_propagate_single_use_vars): Return
5130 TODO_update_smt_usage if we need to update SMT usage.
5131 (pass_forwprop): Remove TODO_update_smt_usage.
5133 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5135 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5136 (correct_use_link): Remove reference to get_stmt_operands.
5137 (update_stmt_operands): Likewise.
5138 (get_modify_expr_operands): New function factored out of
5139 parse_ssa_operands and get_expr_operands.
5140 Try to create V_MUST_DEFs for LHS by default.
5141 (get_expr_operands) <case MODIFY_EXPR>: Call
5142 get_modify_expr_operands.
5143 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5144 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5145 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5146 get_modify_expr_operands.
5148 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5150 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5151 * tree-flow.h: Remove the prototype for
5152 referenced_var_lookup_if_exists.
5154 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5156 PR rtl-optimization/26345
5158 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5160 2006-03-03 Roger Sayle <roger@eyesopen.com>
5162 PR tree-optimization/26524
5163 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5164 fold_convert to create a constant of the appropriate type.
5166 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5168 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5169 SYMBOL_REF_IN_BLOCK_P.
5170 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5171 of SYMBOL_FLAG_IN_BLOCK.
5172 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5173 instead of SYMBOL_REF_IN_BLOCK_P.
5174 * explow.c (use_anchored_address): Likewise.
5175 * rtl.c (rtx_size): Likewise.
5176 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5177 instead of SYMBOL_FLAG_IN_BLOCK.
5178 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5179 SYMBOL_REF_IN_BLOCK_P.
5180 (assemble_variable): Likewise.
5181 (output_constant_def_contents): Likewise.
5182 (output_constant_pool): Likewise.
5183 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5184 instead of SYMBOL_FLAG_IN_BLOCK.
5185 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5186 SYMBOL_REF_IN_BLOCK_P.
5187 (SYMBOL_REF_BLOCK): Likewise.
5188 (SYMBOL_REF_OFFSET): Likewise.
5189 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5190 SYMBOL_REF_IN_BLOCK_P.
5191 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5192 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5193 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5194 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5196 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5198 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5200 2006-03-02 Roger Sayle <roger@eyesopen.com>
5202 * simplify-rtx.c (simplify_unary_operation): When simplifying
5203 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5204 that we perform the right shift in the appropriate mode, and
5205 then extend or truncate the result to requested mode.
5207 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5209 * gengtype.c (main): Handle double_int type.
5210 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5211 * double-int.c: New file.
5212 * double-int.h: New file.
5213 * system.h: Include doubleint.h.
5214 * Makefile.in (SYSTEM_H): Include double-int.h.
5215 (double-int.o): Add.
5217 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5220 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5223 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5225 * tree-vrp.c (remove_range_assertions): Do not update statements
5228 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5230 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5232 * gcse.c (rest_of_handle_gcse): Ditto.
5233 * except.c (gate_handle_eh): Ditto.
5234 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5235 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5237 2006-03-02 Eric Christopher <echristo@apple.com>
5239 * config/i386/i386.c (machopic_output_stub): Add indirection to
5242 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5246 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5248 Sun Niagara specific optimizations.
5249 * config.gcc: Recognize niagara as target.
5250 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5251 (TARGET_CPU_niagara): Define.
5252 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5253 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5254 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5255 (ASM_CPU_SPEC): Likewise.
5256 (PROCESSOR_NIAGARA): New enum entry.
5257 (REGISTER_MOVE_COST): Handle Niagara.
5258 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5259 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5260 (sparc_override_options): Recognize "niagara", set appropriate
5261 default MASK_* values for it, and align functions to 32-bytes
5262 by default just like ULTRASPARC/ULTRASPARC3.
5263 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5264 (sparc64_initialize_trampoline): Likewise.
5265 (sparc_use_sched_lookahead): Use zero for niagara.
5266 (sparc_issue_rate): Use one for niagara.
5267 * config/sparc/niagara.md: New file.
5268 * config/sparc/sparc.md: Include it.
5269 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5270 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5271 when default cpu is niagara.
5272 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5273 (ASM_CPU_SPEC): Likewise.
5274 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5275 when default cpu is niagara.
5276 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5277 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5278 just like v9/ultrasparc/ultrasparc3.
5279 * doc/invoke.texi: Add documentation for "niagara" and improve
5280 existing documentation for ultrasparc variants.
5282 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5284 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5286 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5288 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5289 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5290 and say that only one is needed.
5291 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5292 * target.h (have_switchable_bss_sections): New hook.
5293 * explow.c (use_anchored_address): Check that the symbol is in a block.
5294 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5295 (bss_noswitch_section): New variables.
5296 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5297 (get_noswitch_section): New function.
5298 (get_block_for_section): Allow SECT to be null.
5299 (unlikely_text_section_p): Use SECTION_STYLE.
5300 (bss_initializer_p): New function.
5301 (get_variable_section): Move earlier in file. Take a new argument,
5302 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5303 Return one of the new *_sections in such cases.
5304 (get_block_for_decl): New function, extracting some logic from
5305 use_blocks_for_decl_p.
5306 (change_symbol_section): Remove in favor of...
5307 (change_symbol_block): ...this new function.
5308 (use_blocks_for_decl_p): Remove checks now performed by
5310 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5311 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5312 (emit_local, emit_bss, emit_common): ...these new functions.
5313 Return true if the alignment was honored.
5314 (emit_tls_common): New function.
5315 (asm_emit_uninitialised): Delete.
5316 (assemble_variable_noswitch): New function, split out from...
5317 (assemble_variable): ...here. Don't make decisions about common
5318 variables here. Globalize all public decls that go into non-common
5319 sections. Check whether SYMBOL_REF_BLOCK is null.
5320 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5321 (output_constant_pool): Likewise.
5322 (init_varasm_once): Initialize the new section variables.
5323 (have_global_bss_p): New function.
5324 (categorize_decl_for_section): Use bss_initializer_p.
5325 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5326 (place_block_symbol): Assert that the symbol must be in a block.
5327 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5328 (TARGET_INITIALIZER): Include it.
5329 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5330 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5331 (SECTION_MACH_DEP): Bump by two.
5332 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5333 (unnamed_section): Mention SECTION_UNNAMED in comment.
5334 (named_section): Likewise SECTION_NAMED.
5335 (noswitch_section_callback): New type.
5336 (noswitch_section): New structure.
5337 (section): Add a noswitch_section alternative.
5338 (SECTION_STYLE): New macro.
5339 (tls_comm_section, comm_section, lcomm_section): Declare.
5340 (bss_noswitch_section, have_global_bss_p): Declare.
5341 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5342 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5344 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5345 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5348 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5350 * tree-vrp.c (execute_vrp): Return value.
5351 * regrename.c (rest_of_handle_regrename): Ditto.
5352 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5353 * tree-complex.c (tree_lower_complex): Ditto.
5354 (tree_lower_complex_O0): Ditto.
5355 * tracer.c (rest_of_handle_tracer): Ditto.
5356 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5357 * postreload.c (rest_of_handle_postreload): Ditto.
5358 * tree-tailcall.c (execute_tail_recursion): Ditto.
5359 (execute_tail_calls): Ditto.
5360 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5361 * tree.h (init_function_for_compilation): Ditto.
5362 * ipa-cp.c (ipcp_driver): Ditto.
5363 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5364 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5365 * final.c (compute_alignments): Ditto.
5366 (rest_of_handle_final): Ditto.
5367 (rest_of_handle_shorten_branches): Ditto.
5368 (rest_of_clean_state): Ditto.
5369 * omp-low.c (execute_expand_omp): Ditto.
5370 (execute_lower_omp): Ditto.
5371 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5372 * ipa-reference.c (static_execute): Ditto.
5373 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5374 * reorg.c (rest_of_handle_delay_slots): Ditto.
5375 (rest_of_handle_machine_reorg): Ditto.
5376 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5377 * flow.c (recompute_reg_usage): Ditto.
5378 (rest_of_handle_remove_death_notes): Ditto.
5379 (rest_of_handle_life): Ditto.
5380 (rest_of_handle_flow2): Ditto.
5381 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5382 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5383 (do_ssa_store_ccp): Ditto.
5384 (execute_fold_all_builtins): Ditto.
5385 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5386 * modulo-sched.c (rest_of_handle_sms): Ditto.
5387 * ipa-pure-const.c (static_execute): Ditto.
5388 * cse.c (rest_of_handle_cse): Ditto.
5389 (rest_of_handle_cse2): Ditto.
5390 * web.c (rest_of_handle_web): Ditto.
5391 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5392 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5393 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5394 * tree-nrv.c (tree_nrv): Ditto.
5395 (execute_return_slot_opt): Ditto.
5396 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5397 (create_structure_vars): Ditto.
5398 * loop-init.c (rtl_loop_init): Ditto.
5399 (rtl_loop_done): Ditto.
5400 (rtl_move_loop_invariants): Ditto.
5401 (rtl_unswitch): Ditto.
5402 (rtl_unroll_and_peel_loops): Ditto.
5403 (rtl_doloop): Ditto.
5404 * gimple-low.c (lower_function_body): Ditto.
5405 (mark_used_blocks): Ditto.
5406 * tree-ssa-sink.c (execute_sink_code): Ditto.
5407 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5408 (cgraph_early_inlining): Ditto.
5409 * global.c (rest_of_handle_global_alloc): Ditto.
5410 * jump.c (cleanup_barriers): Ditto.
5411 (purge_line_number_notes): Ditto.
5412 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5413 (rest_of_handle_if_after_reload): Ditto.
5414 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5415 (tree_ssa_loop_im): Ditto.
5416 (tree_ssa_loop_unswitch): Ditto.
5417 (tree_vectorize): Ditto.
5418 (tree_linear_transform): Ditto.
5419 (tree_ssa_loop_ivcanon): Ditto.
5420 (tree_ssa_empty_loop): Ditto.
5421 (tree_ssa_loop_bounds): Ditto.
5422 (tree_complete_unroll): Ditto.
5423 (tree_ssa_loop_prefetch): Ditto.
5424 (tree_ssa_loop_ivopts): Ditto.
5425 (tree_ssa_loop_done): Ditto.
5426 * predict.c (tree_estimate_probability): Ditto.
5427 * recog.c (split_all_insns_noflow): Ditto.
5428 (rest_of_handle_peephole2): Ditto.
5429 (rest_of_handle_split_all_insns): Ditto.
5430 * tree-eh.c (lower_eh_constructs): Ditto.
5431 * regmove.c (rest_of_handle_regmove): Ditto.
5432 (rest_of_handle_stack_adjustments): Ditto.
5433 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5434 * function.c (instantiate_virtual_regs): Ditto.
5435 (init_function_for_compilation): Ditto.
5436 (rest_of_handle_check_leaf_regs): Ditto.
5437 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5438 (rest_of_handle_gcse): Ditto.
5439 * ipa-type-escape.c (type_escape_execute): Ditto.
5440 * alias.c (rest_of_handle_cfg): Ditto.
5441 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5442 * profile.c (rest_of_handle_branch_prob): Ditto.
5443 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5444 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5445 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5446 * tree-dfa.c (find_referenced_vars): Ditto.
5447 * except.c (set_nothrow_function_flags): Ditto.
5448 (convert_to_eh_region_ranges): Ditto.
5449 (rest_of_handle_eh): Ditto.
5450 * emit-rtl.c (unshare_all_rtl): Ditto.
5451 (remove_unnecessary_notes): Ditto.
5452 * except.h (set_nothrow_function_flags): Ditto.
5453 (convert_to_eh_region_ranges): Ditto.
5454 * cfgexpand.c (tree_expand_cfg): Ditto.
5455 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5456 * tree-ssa-pre.c (do_pre): Ditto.
5457 (execute_fre): Ditto.
5458 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5459 (rest_of_handle_jump2): Ditto.
5460 * tree-sra.c (tree_sra): Ditto.
5461 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5462 (execute_mudflap_function_decls): Ditto.
5463 * tree-ssa-copy.c (do_copy_prop): Ditto.
5464 (do_store_copy_prop): Ditto.
5465 * ipa-prop.h (ipcp_driver): Ditto.
5466 * cfglayout.c (insn_locators_initialize): Ditto.
5467 * tree-ssa-forwprop.c
5468 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5469 * cfglayout.h (insn_locators_initialize): Ditto.
5470 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5471 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5472 (execute_late_warn_uninitialized): Ditto.
5473 * rtl.h (cleanup_barriers): Ditto.
5474 (split_all_insns_noflow): Ditto.
5475 (purge_line_number_notes): Ditto.
5476 (unshare_all_rtl): Ditto.
5477 (remove_unnecessary_notes): Ditto.
5478 (recompute_reg_usage): Ditto.
5479 (variable_tracking_main): Ditto.
5480 * integrate.c (emit_initial_value_sets): Ditto.
5481 * integrate.h (emit_initial_value_sets): Ditto.
5482 * tree-optimize.c (execute_free_datastructures): Ditto
5483 (execute_free_cfg_annotations): Ditto.
5484 (execute_fixup_cfg): Ditto.
5485 (execute_cleanup_cfg_pre_ipa): Ditto.
5486 (execute_cleanup_cfg_post_optimizing): Ditto.
5487 (execute_init_datastructures): Ditto.
5488 * tree-object-size.c (compute_object_sizes): Ditto.
5489 * combine.c (rest_of_handle_combine): Ditto.
5490 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5491 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5492 (rest_of_handle_reorder_blocks): Ditto.
5493 (rest_of_handle_partition_blocks): Ditto.
5494 * var-tracking.c (variable_tracking_main): Ditto.
5495 * tree-profile.c (tree_profiling): Ditto.
5496 * tree-vect-generic.c (expand_vector_operations): Ditto.
5497 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5498 * sched-rgn.c (rest_of_handle_sched): Ditto.
5499 (rest_of_handle_sched2): Ditto.
5500 * basic-block.h (free_bb_insn): Ditto.
5501 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5502 * tree-cfg.c (execute_build_cfg): Ditto.
5503 (remove_useless_stmts): Ditto.
5504 (split_critical_edges): Ditto.
5505 (execute_warn_function_return): Ditto.
5506 (execute_warn_function_noreturn): Ditto.
5507 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5508 * cfgrtl.c (free_bb_for_insn): Ditto.
5509 * passes.c (execute_one_pass): Run additional
5510 todos returned by execute function.
5511 * tree-pass.h (struct tree_opt_pass): Make execute
5514 2006-03-02 Richard Guenther <rguenther@suse.de>
5516 * tree-ssa-alias.c (find_used_portions): Consider taking
5517 the address as making the variable not write-only.
5519 2006-03-02 Nick Clifton <nickc@redhat.com>
5521 * config.gcc (default_use_cxa_atexit): Extend the description of
5522 this configure variable. Set its default value to "yes" for
5523 Linux, NetBSD and ELF targets on the assumption that they will
5524 use C libraries with the __cxa_atexit function.
5526 2006-03-02 Ben Elliston <bje@au.ibm.com>
5528 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5529 parameter as unused to suppress a build warning.
5531 2006-03-02 Ben Elliston <bje@au.ibm.com>
5533 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5536 2006-03-01 Roger Sayle <roger@eyesopen.com>
5539 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5540 declared name, the weak reference name, and the typeof name.
5541 (__gthrw): Avoid expanding the declared name suffix.
5542 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5544 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5546 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5548 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5549 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5550 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5551 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5552 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5553 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5554 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5555 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5556 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5557 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5558 (DW_END_default, DW_END_big, DW_END_little): New.
5559 (DW_END_lo_user, DW_END_hi_user): Define.
5560 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5561 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5562 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5565 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5567 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5569 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5571 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5573 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5575 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5576 to 'symbol_mem_tag'.
5578 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5581 2006-03-01 Roger Sayle <roger@eyesopen.com>
5583 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5585 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5588 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5589 MACHO_DYNAMIC_NO_PIC_P.
5590 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5592 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5595 * config/darwin-protos.h (darwin_asm_output_anchor):
5597 * config/darwin-sections.def (cstring_section):
5598 Add SECTION_MERGE to the flags.
5599 (literal4_section): Likewise.
5600 (literal8_section): Likewise.
5601 (objc_selector_refs_section): Likewise.
5602 (objc_cls_refs_section): Likewise.
5603 * config/darwin.c (darwin_asm_output_anchor): New
5605 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5607 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5609 Fix PR tree-optimization/26443
5610 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5611 to todo and PROP_tmt_usage to properties_destroyed.
5612 * tree-ssa-ccp.c (pass_ccp): Ditto.
5613 (pass_store_ccp): Ditto.
5614 * tree-ssa-dom.c (pass_dominator): Ditto.
5616 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5618 * tree-ssa-operands.c: Cleanup whitespace.
5619 (get_asm_expr_operands): Move before first invocation.
5620 (get_indirect_ref_operands): Likewise.
5621 (get_tmr_operands): Likewise.
5622 (get_call_expr_operands): Likewise.
5623 (append_def): Likewise.
5624 (append_use): Likewise.
5625 (append_v_may_def): Likewise.
5626 (append_v_must_def): Likewise.
5627 (add_call_clobber_ops): Likewise.
5628 (add_call_read_ops): Likewise.
5629 (add_stmt_operand): Likewise.
5630 (add_virtual_operand): Likewise.
5631 (build_ssa_operands): Likewise.
5633 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5638 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5639 with a call expr to ...
5640 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5642 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5644 * tree-vrp.c (extract_range_from_assert): Remove special
5645 handling for types with super-types.
5647 2006-03-01 Ben Elliston <bje@au.ibm.com>
5649 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5650 and powerpc64-*-linux* configurations.
5651 * config/t-dfprules: New file.
5653 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5654 Compile dfp-bit.c from the source directory using -DWIDTH and
5655 $DFP_CFLAGS to control the compilation of that file, rather than
5656 generating width-specific versions in the build directory.
5657 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5658 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5660 2006-02-28 Zack Weinberg <zackw@panix.com>
5662 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5665 2006-02-28 Eric Christopher <echristo@apple.com>
5667 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5668 Set up IN_LIBGCC definition of TARGET_64BIT.
5669 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5671 2006-02-28 Roger Sayle <roger@eyesopen.com>
5674 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5675 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5676 cases via the construction of "expr != 0".
5678 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5680 * alias.c (alias_invariant, alias_invariant_size): Remove.
5681 (record_base_value): Remove.
5682 (memrefs_conflict_p): Don't look at alias_invariant.
5683 (end_alias_analysis): Don't free it.
5684 * alias.h (record_base_value): Remove prototype.
5686 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5687 Adam Nemet <anemet@caviumnetworks.com>
5689 * rtl.h (truncated_to_mode): Declare it.
5690 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5691 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5692 (RTL_HOOKS_INITIALIZER): Include it.
5693 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5694 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5695 reg_truncated_to_mode.
5696 * rtlanal.c (truncated_to_mode): Define it.
5697 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5699 2006-02-28 Jeff Law <law@redhat.com>
5701 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5702 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5703 the range allowed by TYPE_PRECISION.
5705 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5707 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5709 PR tree-optimization/26419
5710 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5713 2006-02-27 Zack Weinberg <zackw@panix.com>
5715 * doc/md.texi: Fix typo in previous change.
5717 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5721 2006-02-27 Zack Weinberg <zackw@panix.com>
5723 * rtl.def (define_constraint, define_register_constraint)
5724 (define_memory_constraint, define_address_constraint): New MD forms.
5725 * gensupport.c (process_rtx): Put define_constraint etc on the
5727 * genpreds.c (process_define_predicate): Adjust comment. Validate
5728 the name, and call validate_exp to validate the expression.
5729 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5730 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5731 all callers changed.
5732 (validate_exp, needs_variable, struct constraint_data)
5733 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5734 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5735 (const_dbl_constraints, constraint_max_namelen)
5736 (have_register_constraints, have_memory_constraints)
5737 (have_address_constraints, have_address_constraints)
5738 (have_extra_constraints, have_const_int_constraints)
5739 (have_const_dbl_constraints, mangle, add_constraint)
5740 (process_define_constraint, process_define_register_constraint)
5741 (write_enum_constraint_num, write_lookup_constraint)
5742 (write_insn_constraint_len, write_regclass_for_constraint)
5743 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5744 (write_insn_extra_memory_constraint)
5745 (write_insn_extra_address_constraint)
5746 (write_satisfies_constraint_fns): New.
5747 (write_tm_preds_h): If we have new-style constraint definitions,
5748 prototype the functions generated from them, and define the
5749 old constraint interface (still used by generic code) in terms of
5751 (write_insn_preds_c): If we have new-style constraint definitions,
5752 generate all relevant functions from those definitions.
5753 (main): Handle define_constraint etc.
5754 * genoutput.c (struct constraint_data, indep_constraints)
5755 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5756 (mdep_constraint_len): New data structures and functions, defined
5757 #ifdef USE_MD_CONSTRAINTS.
5758 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5759 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5760 use new logic to validate operand constraints against constraint
5762 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5764 * defaults.h: If none of the old-style constraint macros are
5765 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5766 old-style macros; and poison REG_CLASS_FROM_LETTER,
5767 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5769 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5770 * doc/md.texi: Document new constraint-definition mechanism and the
5771 C interface it provides. Remove references to old mechanism
5772 elsewhere in the document.
5773 (Machine Constraints): Use pathnames relative to gcc directory,
5774 i.e. config/ARCH/FILE. Change i386 section to refer to
5775 config/i386/predicates.md; update that section to match docstrings.
5776 * doc/tm.texi: Move all documentation of the old constraint-
5777 definition macros to their own section, clearly mark as obsolete.
5779 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5780 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5782 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5783 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5784 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5786 (splits and peepholes): Use satisfies_constraint_*.
5787 * config/i386/i386.c (memory_address_length)
5788 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5790 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5792 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5793 scalar operation to be put back into the loop.
5795 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5798 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5799 (extract_cie_info): Handle S flag in augmentation string.
5800 (execute_cfa_program): If context->signal_frame, execute also
5801 fs->pc == context->ra instructions.
5802 (uw_frame_state_for): If context->signal_frame, don't subtract one
5803 from context->ra to find FDE.
5804 (uw_update_context_1): Set context->signal_frame to
5806 (_Unwind_GetIPInfo): New function.
5807 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5808 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5810 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5811 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5812 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5813 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5814 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5815 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5816 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5817 x86_64_fallback_frame_state): Set fs->signal_frame.
5818 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5819 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5820 (frob_update_context): Likewise. Workaround missing S flag in
5821 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5822 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5823 Remove the psw_addr + 1 hack.
5825 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5827 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5828 with aggregates here.
5829 (find_func_aliases): Remove code for &<aggregate> from here.
5831 2006-02-26 Roger Sayle <roger@eyesopen.com>
5833 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5834 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5835 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5838 2006-02-26 Roger Sayle <roger@eyesopen.com>
5841 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5843 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5845 * opts.c (decode_options): Do not handle flag_strength_reduce.
5846 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5847 and OPT_fstrength_reduce.
5848 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5849 flag_prefetch_loop_arrays for being nonzero.
5850 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5852 (fprefetch-loop-arrays-rtl): Removed.
5853 (flag_prefetch_loop_arrays): Do not specify the value.
5855 * doc/passes.texi: Update documentation of loop optimizer
5857 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5858 -frerun-loop-opt): Remove.
5860 2006-02-26 Richard Guenther <rguenther@suse.de>
5862 PR tree-optimization/26421
5863 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5864 in function calls that are ADDR_EXPRs as using the whole structure.
5866 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5868 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5869 * tree-pass.h (pass_loop_optimize): Remove.
5870 * passes.c (pass_loop_optimize): Never run it.
5871 * toplev.c (backend_init): Don't call init_loop.
5872 * opts.c (flag_loop_optimize_set): Remove.
5873 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5874 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5875 the old RTL loop optimizer when profiling enabled.
5876 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5877 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5878 pre-headers for the sake of the old RTL loop optimizer.
5879 * Makefile.in: Remove all references to loop.o.
5881 * doc/invoke.texi: Remove all references to -floop-optimize
5882 and -frerun-loop-opt.
5884 2006-02-26 Zack Weinberg <zackw@panix.com>
5886 * doc/md.texi (Machine Constraints): Refer to all files with paths
5887 relative to gcc directory (i.e. config/CPU/file). Add missing
5888 @table @code ... @end table to M32C subsection.
5890 2006-02-26 Roger Sayle <roger@eyesopen.com>
5892 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5894 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5896 2006-02-26 Roger Sayle <roger@eyesopen.com>
5897 James A. Morrison <phython@gcc.gnu.org>
5900 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5901 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5902 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5903 signedness of the shift operation.
5905 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5907 PR tree-optimization/26359
5908 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5910 2006-02-25 Roger Sayle <roger@eyesopen.com>
5912 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5913 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5914 as X == 0, and some symmetry related transformations.
5915 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5917 2006-02-25 Roger Sayle <roger@eyesopen.com>
5920 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5921 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5922 symmetry related transformations. Fold (X^C1) == C2 as
5925 2006-02-25 Juergen Weigert <jw@suse.de>
5926 Richard Guenther <rguenther@suse.de>
5928 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5930 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5932 * combine.c (gen_lowpart_or_truncate): Call
5933 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5935 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5937 * doc/invoke.texi: Move -fopenmp description to "Options for
5939 Remove reference to -lgomp.
5941 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5943 * doc/install.texi: Require GNU tar version 1.14.
5945 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5947 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5948 * doc/invoke.texi (C++ Dialect Options): Document
5949 -fno-use-cxa-get-exception-ptr.
5950 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5951 * configure: Regenerate.
5952 * c.opt (fuse-cxa-get-exception-ptr): New.
5953 * c-opts.c (c_common_handle_option): Handle
5954 OPT_fuse_cxa_get_exception_ptr.
5955 * c-common.c (flag_use_cxa_atexit): Update documentation.
5956 (flag_use_cxa_get_exception_ptr): New.
5957 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5958 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5960 (C_COMMON_OVERRIDE_OPTIONS): New.
5962 2006-02-24 Roger Sayle <roger@eyesopen.com>
5965 * combine.c (try_combine): Explicitly check whether GET_CODE is
5966 a SET or a CLOBBER, instead on checking that it isn't a USE.
5968 2006-02-24 Roger Sayle <roger@eyesopen.com>
5970 * fold-const.c (fold_comparison): New subroutine of fold_binary
5971 containing transformations common to both the equality and
5972 ordering relational operators, factored out of fold_binary.
5973 (fold_binary): Separate out the equality operators (EQ_EXPR
5974 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5975 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5976 transformations common to both.
5977 (fold_div_compare): Fix latent bugs in the previously unreachable
5978 LT_EXPR and GE_EXPR cases.
5980 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5982 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5983 decl libname for clog to __clog on AIX.
5985 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5987 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5990 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5991 output traceback table for thunks. Localise rs6000_stack_info call.
5993 2006-02-23 Roger Sayle <roger@eyesopen.com>
5994 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5996 * gthr-posix.h (__gthrw): Fix typo in comment.
5998 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6000 * doc/cpp.texi (Character sets): Document that we do support
6001 input files to be in any character set.
6003 2006-02-23 Jeff Law <law@redhat.com>
6005 * tree.h (PHI_ARG_NONZERO): Remove.
6006 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6007 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6008 node to the new node.
6010 PR tree-optimization/26425
6011 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6012 min/max, then assume its varying.
6014 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6016 PR rtl-optimization/26316
6017 * rtlanal.c (enum may_trap_p_flags): New.
6018 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6019 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6020 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6021 (may_trap_after_code_motion_p): New function.
6022 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6023 (find_invariant_insn): Use may_trap_after_code_motion_p.
6024 * rtl.h (may_trap_after_code_motion_p): Declare.
6026 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6028 * emit-rtl.c (immed_double_const): Cleanup.
6030 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6032 Fix PR tree-optimization/26376
6033 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6036 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6039 * gimplify.c (omp_add_variable): Guard variable size decl test with
6040 DECL_SIZE (decl) check.
6042 2006-02-23 Richard Guenther <rguenther@suse.de>
6045 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6046 like aggregate types.
6048 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6050 * configure.ac: Add --with{,out}-long-double-128 configure option.
6051 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6052 * configure: Rebuilt.
6053 * config.in: Rebuilt.
6054 * doc/install.texi (Options specification): Document
6055 --with-long-double-128.
6057 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6058 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6059 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6060 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6062 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6064 * config/s390/s390.c (override_options): Handle
6065 TARGET_DEFAULT_LONG_DOUBLE_128.
6067 * config/alpha/alpha.c (override_options): Handle
6068 TARGET_DEFAULT_LONG_DOUBLE_128.
6070 * config/sparc/sparc.c (sparc_override_options): Handle
6071 TARGET_DEFAULT_LONG_DOUBLE_128.
6073 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6075 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6076 (real-install-headers-tar, real-install-headers-cpio)
6077 (real-install-headers-cp): New targets.
6079 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6081 * tree.h (variable_section): Delete.
6082 * varasm.c (variable_section): Delete.
6084 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6086 * install.texi: Add notes on install.texi2html.
6087 (Building in parallel): Do not use footnotes.
6089 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6092 * doc/install.texi (Configuration): Document --disable-libgomp.
6094 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6096 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6098 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6100 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6101 (vec_extractv2df_0_sse): New.
6103 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6105 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6106 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6107 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6108 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6109 to the result of the expression.
6110 (def_cfa_1): Adjust.
6111 (frame_pointer_cfa_offset): Rename to...
6112 (frame_pointer_fb_offset): ... this. Adjust all uses.
6113 (convert_cfa_to_loc_list): Rename to...
6114 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6115 Pass it on to build_cfa_loc.
6116 (compute_frame_pointer_to_cfa_displacement): Rename to...
6117 (compute_frame_pointer_to_fb_displacement): ... this. New
6118 offset parameter. Use it in computation.
6119 (gen_subprogram_die): Compute cfa_fb_offset with the new
6120 macro, and use it to compute the fb loc list and the
6123 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6125 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6126 replaced with register_operand.
6127 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6128 non-DREG is expensive.
6129 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6130 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6133 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6135 * doc/install.texi2html: Use set -e.
6137 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6139 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6140 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6141 * doc/invoke.texi (-fshared-data): Delete.
6142 * common.opt (fshared-data): Delete.
6143 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6144 (assemble_static_space): Remove #if 0 code.
6145 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6146 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6147 * config/cris/cris.h: Remove FIXME.
6149 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6151 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6154 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6157 * combine.c (simplify_shift_const_1): Disable nested shifts
6158 optimization for vector shifts.
6160 2006-02-20 Roger Sayle <roger@eyesopen.com>
6162 PR tree-optimization/26361
6163 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6164 of unsigned integer types.
6166 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6168 * tree-chrec.c (eq_evolutions_p): New.
6169 * tree-chrec.h (eq_evolutions_p): Declared.
6170 * tree-data-ref.c: Fix formatting.
6171 (datadep_stats, dependence_stats): New.
6173 (print_direction_vector): New.
6174 (dump_data_dependence_relation): Use print_direction_vector.
6175 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6176 (compute_subscript_distance): Static.
6177 (initialize_data_dependence_relation): Static. Get the number
6178 of loops surrounding the references from the callers, and initialize
6179 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6180 base_object_differ_p analyzers.
6181 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6182 compute_overlap_steps_for_affine_1_2,
6183 analyze_subscript_affine_affine): Count the classified dependences.
6184 Print a message when a test failed.
6185 (can_use_analyze_subscript_affine_affine): New.
6186 (analyze_siv_subscript): Compute the data dependences on symbolic
6187 scevs that verify can_use_analyze_subscript_affine_affine.
6188 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6189 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6190 Handle symbolic scevs.
6191 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6193 (subscript_dependence_tester): Moved...
6194 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6195 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6196 DDR_SIZE_VECT instead of getting it in parameter.
6197 (subscript_dependence_tester): ... here. Take as a parameter
6198 loop_nest_depth. Call build_classic_dist_vector and
6199 build_classic_dir_vector.
6200 (compute_affine_dependence): Update subscript_dependence_tester
6201 parameters. Update datadep_stats counters. Call
6202 compute_subscript_distance.
6203 (compute_self_dependence): Save the dist and dir vectors. Call
6204 compute_subscript_distance.
6205 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6206 (compute_all_dependences): Reorder parameters as they were before
6207 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6208 compute_subscript_distance. Update the use of
6209 compute_affine_dependence and initialize_data_dependence_relation.
6210 (find_data_references_in_loop): Handle COMPONENT_REF.
6211 (compute_data_dependences_for_loop): Initialize dependence_stats.
6212 Don't call build_classic_dist_vector and build_classic_dir_vector.
6213 Update the parameters of initialize_data_dependence_relation and
6214 compute_all_dependences. Print the statistics from datadep_stats.
6215 (analyze_all_data_dependences): Static. Not used until the pass for
6216 checking the data dependences is contributed.
6217 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6218 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6219 (initialize_data_dependence_relation, compute_affine_dependence,
6220 analyze_all_data_dependences, compute_subscript_distance): Removed.
6221 (print_direction_vector): New.
6222 * lambda.h (gcd): ... here.
6223 (lambda_vector_gcd): Moved here from gcd_vector.
6224 * lambda-code.c (gcd, gcd_vector): Removed.
6225 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6226 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6228 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6230 * ipa-type-escape.c: Tidy some comments and white space.
6231 * tree-ssa-operands.c: Likewise.
6233 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6236 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6237 (dump_decl_name): Do not walk the decl tree chains.
6238 * tree-pass.h (TDF_CHAIN): Remove.
6240 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6242 * Makefile.in (C): Remove
6244 (.PHONY): Remove C and PROTO
6246 2006-02-20 Roger Sayle <roger@eyesopen.com>
6249 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6250 deprecated CHAR_TYPE tree code.
6252 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6254 * configure.ac (target_list): Add install-info, dvi, html.
6255 * configure: Regenerate.
6257 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6258 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6259 treelang/Make-lang.in: Do not use double-colon rules.
6261 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6263 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6264 (TMT_USED_ALONE): New macro.
6265 * tree-pass.h (PROP_tmt_usage): New property.
6266 (TODO_update_tmt_usage): New todo.
6267 * tree-ssa-alias.c (updating_used_alone): New variable.
6268 (recalculate_used_alone): New function.
6269 (compute_may_aliases): Set updating_used_alone, call
6270 recalculate_used_alone.
6271 * tree-sra.c (pass_sra): Note that this pass destroys
6272 PROP_tmt_usage, and add TODO_update_tmt_usage.
6273 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6274 * tree-flow.h (updating_used_alone): Prototype.
6275 (recalculate_used_alone): Ditto.
6276 * passes.c (execute_todo): Add code to set updating_used_alone,
6277 and call recalculate.
6278 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6279 for clobber if used alone, and add assert to verify used_alone
6282 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6284 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6285 for non tls symbols added.
6286 (legitimize_address): Do nothing for PLUS expressions if one of the
6287 addends is a tls symbol reference.
6289 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6293 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6295 * Makefile.in (BOOTSTRAPPING): New.
6296 (quickstrap): New definition if BOOTSTRAPPING=yes.
6298 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6299 * configure.ac: Substitute all_selected_languages with the languages
6300 that were configured. For all the other variables except
6301 lang_specs_files, include all the languages in the tree.
6302 * configure: Regenerate.
6304 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6305 if there is one. Run the commands to run fixincludes in the same
6308 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6309 * doc/install.texi: Document exact conventions for searching target tools.
6310 Document --with-build-time-tools. Document toplevel bootstrap. Document
6311 something more about building an Ada cross-compiler. Don't list GNU Make
6312 requirements which affect all platforms.
6314 2006-02-19 Roger Sayle <roger@eyesopen.com>
6317 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6318 only equivalent if the have both the same mode and precision.
6320 2006-02-20 Ben Elliston <bje@au.ibm.com>
6322 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6324 2006-02-19 Roger Sayle <roger@eyesopen.com>
6325 Steven Bosscher <stevenb.gcc@gmail.com>
6327 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6328 constant pool references to identify stack mode constants.
6329 * rtlanal.c (constant_pool_constant_p): New predicate to check
6330 whether operand is a floating point constant in the pool.
6331 * rtl.h (constant_pool_constant_p): Prototype here.
6332 * loop.c (scan_loop): Avoid hoisting constants from the constant
6333 pool on STACK_REGS targets.
6334 (load_mems): Likewise.
6335 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6336 loads into x87 registers expensive in terms of register pressure.
6338 2006-02-19 Roger Sayle <roger@eyesopen.com>
6340 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6341 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6343 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6345 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6346 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6348 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6350 * doc/invoke.texi: Document -fipa-pta.
6351 * common.opt: Add ipa-pta option.
6352 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6353 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6354 (do_ds_constraint): Ditto.
6355 (get_constraint_for): Only add to referenced_vars if
6356 referenced_vars exists.
6357 (insert_into_field_list): Rewrite to do this unsorted.
6358 (insert_into_field_list_sorted): Rename old insert_into_field_list
6360 (create_function_info_for): Use insert_into_field_list_sorted.
6361 (create_variable_info_for): Rewrite so it uses unsorted version,
6362 since the field list is sorted.
6363 (intra_create_variable_infos): Only add to referenced_vars if
6364 referenced_vars exists.
6365 (ipa_pta_execute): Init heapvars, and delete when done.
6366 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6368 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6370 * doc/install.texi: Add missing `@samp'.
6372 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6374 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6377 2006-02-18 Mark Wielaard <mark@klomp.org>
6379 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6380 who added new 4.1 features, bug fixes and integration support.
6382 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6385 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6388 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6390 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6391 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6392 (copy_insn_1): Likewise. Don't copy each field individually.
6394 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6396 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6397 * rtl.c (rtx_size): Rename variable to...
6398 (rtx_code_size): ...this.
6399 (rtx_size): New function.
6400 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6401 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6403 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6404 * rtl.h (rtx_code_size): New variable.
6405 (rtx_size): Change from a variable to a function.
6406 (RTX_SIZE): Rename to...
6407 (RTX_CODE_SIZE): ...this.
6410 PR tree-optimization/17106
6411 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6412 (Anchored Addresses): New section.
6413 * doc/invoke.texi (-fsection-anchors): Document.
6414 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6415 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6416 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6417 * hooks.c (hook_bool_mode_rtx_false): New function.
6418 * hooks.h (hook_bool_mode_rtx_false): Declare.
6419 * gengtype.c (create_optional_field): New function.
6420 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6421 SYMBOL_REF_IN_BLOCK_P is true.
6422 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6423 (min_anchor_offset, max_anchor_offset): Likewise.
6424 (use_anchors_for_symbol_p): New hook.
6425 * toplev.c (compile_file): Call output_object_blocks.
6426 (target_supports_section_anchors_p): New function.
6427 (process_options): Check that -fsection-anchors is only used on
6428 targets that support it and when -funit-at-a-time is in effect.
6429 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6430 if the decl doesn't have one.
6431 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6432 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6433 of force_const_mem through use_anchored_address.
6434 (expand_expr_constant): New function.
6435 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6436 calling expand_expr for INDIRECT_REF.
6437 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6438 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6439 * expr.h (use_anchored_address): Declare.
6440 * loop-unroll.c: Don't declare rtx vectors here.
6441 * explow.c: Include output.h.
6442 (validize_mem): Call use_anchored_address.
6443 (use_anchored_address): New function.
6444 * common.opt (-fsection-anchors): New switch.
6445 * varasm.c (object_block_htab, anchor_labelno): New variables.
6446 (hash_section, object_block_entry_eq, object_block_entry_hash)
6447 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6448 (use_blocks_for_decl_p, change_symbol_section): New functions.
6449 (get_variable_section): New function, split out from assemble_variable.
6450 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6451 use_blocks_for_decl_p say so. Use change_symbol_section if the
6452 symbol has already been created.
6453 (assemble_variable_contents): New function, split out from...
6454 (assemble_variable): ...here. Don't output any code for
6455 block symbols; just pass them to place_block_symbol.
6456 Use get_variable_section and assemble_variable_contents.
6457 (get_constant_alignment, get_constant_section, get_constant_size): New
6458 functions, split from output_constant_def_contents.
6459 (build_constant_desc): Create a block symbol if use_object_blocks_p
6460 says so. Or into SYMBOL_REF_FLAGS.
6461 (assemble_constant_contents): New function, split from...
6462 (output_constant_def_contents): ...here. Don't output any code
6463 for block symbols; just pass them to place_section_symbol.
6464 Use get_constant_section and get_constant_alignment.
6465 (force_const_mem): Create a block symbol if use_object_blocks_p and
6466 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6467 (output_constant_pool_1): Add an explicit alignment argument.
6468 Don't switch sections here.
6469 (output_constant_pool): Adjust call to output_constant_pool_1.
6470 Switch sections here instead. Don't output anything for block symbols;
6471 just pass them to place_block_symbol.
6472 (init_varasm_once): Initialize object_block_htab.
6473 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6474 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6475 (place_block_symbol, get_section_anchor, output_object_block)
6476 (output_object_block_htab, output_object_blocks): New functions.
6477 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6478 (TARGET_ASM_OUT): Include it.
6479 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6480 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6481 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6482 (TARGET_INITIALIZER): Include them.
6483 * rtl.c (rtl_check_failed_block_symbol): New function.
6484 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6485 (block_symbol, object_block): New structures.
6486 (rtx_def): Add a block_symbol field to the union.
6487 (BLOCK_SYMBOL_CHECK): New macro.
6488 (rtl_check_failed_block_symbol): Declare.
6489 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6490 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6491 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6492 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6493 * output.h (output_section_symbols): Declare.
6494 (object_block): Name structure.
6495 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6496 (default_use_anchors_for_symbol_p): Declare.
6497 * Makefile.in (RTL_BASE_H): Add vec.h.
6498 (explow.o): Depend on output.h.
6499 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6500 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6501 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6502 (rs6000_use_blocks_for_constant_p): New function.
6504 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6506 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6508 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6511 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6514 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6516 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6520 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6523 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6524 instead of DECL_REGISTER.
6526 2006-02-18 Olivier Hainque <hainque@adacore.com>
6529 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6531 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6534 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6535 * opth-gen.awk: Handle Var and InverseMask together.
6536 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6537 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6538 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6539 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6541 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6542 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6543 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6544 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6545 LINUX_DYNAMIC_LINKER): Define.
6546 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6547 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6549 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6550 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6551 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6552 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6553 (TARGET_C99_FUNCTIONS): Don't define.
6554 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6555 GLIBC_DYNAMIC_LINKER.
6556 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6557 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6558 GLIBC_DYNAMIC_LINKER64): Define.
6559 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6560 LINUX_DYNAMIC_LINKER64.
6561 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6562 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6563 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6564 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6565 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6566 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6567 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6568 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6569 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6570 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6571 and LINUX_DYNAMIC_LINKER32.
6572 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6573 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6574 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6575 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6576 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6578 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6579 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6580 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6581 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6582 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6583 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6584 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6585 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6586 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6587 LINUX_DYNAMIC_LINKER): Define.
6588 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6589 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6590 GLIBC_DYNAMIC_LINKER64): Define.
6591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6592 LINUX_DYNAMIC_LINKER64.
6593 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6594 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6595 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6596 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6597 LINUX_DYNAMIC_LINKER): Define.
6598 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6599 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6600 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6601 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6602 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6603 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6604 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6605 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6606 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6607 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6608 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6609 * doc/invoke.texi (-muclibc): Remove caveat about supported
6612 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6614 * doc/cpp.texi (__TIMESTAMP__): Document.
6616 2006-02-17 Roger Sayle <roger@eyesopen.com>
6619 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6620 C is one less than the width of X (and related transformations).
6621 * simplify-rtx.c (simplify_unary_operation_1): Transform
6622 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6623 depending on STORE_FLAG_VALUE, were C is one less then the
6626 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6628 Fix PR tree-optimization/26341
6629 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6630 about NAME_MEMORY_TAG's.
6632 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6635 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6636 with hardware float support, and software float support. Add fcpy
6637 alternative to hardware patterns. Add alternatives to copy between
6638 general and floating-point registers to the 32-bit pattern.
6639 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6640 secondary reload to load a QI or HI mode constant into a floating
6642 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6643 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6645 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6648 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6650 (load_macho_picbase_di): Likewise.
6652 2006-02-16 Jeff Law <law@redhat.com>
6654 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6655 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6656 (ssa_name_nonzero_p): Likewise.
6657 (get_value_range): Return NULL if VRP is not running.
6658 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6659 VRP routines do not discover a range.
6660 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6661 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6662 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6663 (tree_expr_nonnegative_p): Similarly.
6664 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6665 (restore_nonzero_vars_to_original_value): Remove.
6666 (unsafe_associative_fp_binop): Remove.
6667 (tree_ssa_dominator_optimize): Remove initialization and
6668 finalization of nonzero_vars and nonzero_vars_stack.
6669 (dom_opt_initialize_block): No longer push marker on
6671 (dom_opt_finalize_block): No longer call
6672 restore_nonzero_vars_to_original_value.
6673 (record_equivalences_from_phis): No longer look for
6674 nonzero PHI arguments.
6675 (cprop_into_successor_phis): No longer propagate nonzero
6676 property into PHI arguments. Lose unused argument. Caller
6678 (record_equivalences_from_stmt): No longer record nonzero
6679 values for SSA_NAMEs.
6680 (lookup_avail_expr): No longer use nonzero_vars.
6682 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6683 for sizetype when sizetype is unsigned.
6685 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6687 PR rtl-optimization/25603
6688 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6689 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6690 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6691 with new meaning of SETS.
6693 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6698 * config/linux.opt: New file.
6699 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6700 LINUX_DYNAMIC_LINKER): Define.
6701 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6702 * config.gcc (*-*-linux*): Define extra_options.
6703 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6704 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6705 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6706 GLIBC_DYNAMIC_LINKER.
6707 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6708 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6709 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6710 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6711 * doc/invoke.texi (GNU/Linux Options): New section.
6713 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6715 * config/sparc/sparc.md (setjmp): Rewrite.
6716 (setjmp_32): Delete.
6717 (setjmp_64): Likewise.
6719 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6721 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6724 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6726 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6729 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6731 PR rtl-optimization/26296
6732 * Makefile.in (loop-invariant.c): Add except.h dependency.
6733 * loop-invariant.c: Include except.h.
6734 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6736 2005-02-16 Paul Brook <paul@codesourcery.com>
6738 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6741 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6743 PR rtl-optimization/25636
6744 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6745 when deciding whether an insn is an initializing insn.
6747 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6749 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6750 (tree_code_size): Ditto.
6751 * tree.h (struct tree_memory_tag): Remove parent_var.
6752 (struct tree_struct_field_tag): New.
6755 (union tree_node): Add sft member.
6756 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6758 (create_sft): Add size and offset argument, set SFT_OFFSET and
6760 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6761 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6762 * tree-flow-inline.h (get_subvar_at): Update for
6763 SFT_OFFSET/SFT_SIZE.
6764 (var_can_have_subvars): Ditto.
6765 (overlap_subvar): Ditto.
6766 * print-tree.c (print_node): Print out interesting things for
6768 * tree-flow.h (struct subvar): Remove offset and size members.
6769 * tree-ssa-operands.c (get_expr_operands): Update for
6770 get_indirect_ref_operands changes.
6771 (get_indirect_ref_operands): Call add_virtual_operand instead of
6772 add_stmt_operand. Only recurse on base var if requested.
6773 (access_can_touch_variable): New function.
6774 (add_stmt_operand): Split virtual operand handling into ...
6775 (add_virtual_operand): Here. Add offset, size, and for_clobber
6776 arguments. Prune alias sets.
6777 (add_call_clobber_ops): Call add_virtual_operand.
6779 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6782 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6784 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6785 than TREE_CODE as index into omp_clause_num_ops array.
6787 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6789 PR rtl-optimization/26184
6790 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6792 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6793 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6794 must_precede, must_follow and tobe_scheduled.
6797 * opts.c (common_handle_option): Free new_option pointer.
6798 * df-core.c (df_analyze): Free postorder pointer.
6800 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6802 * Makefile.in: Fix the examples about the use of stamps
6804 2006-02-15 Michael Matz <matz@suse.de>
6808 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6809 influenced by maximum_field_alignment or DECL_PACKED.
6810 (update_alignment_for_field): Ditto.
6811 (place_field): Ditto.
6812 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6815 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6817 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6818 (debug_flow_info): Pass it.
6819 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6820 * bb-reorder.c (reorder_basic_blocks): Likewise.
6821 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6822 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6823 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6824 * gcse.c (gcse_main, bypass_jumps): Likewise.
6825 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6826 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6827 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6828 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6829 * rtl.h (dump_flow_info): Adjust prototype.
6830 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6831 * var-tracking.c (variable_tracking_main): Likewise.
6832 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6833 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6836 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6838 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6841 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6843 PR tree-optimization/26209
6844 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6845 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6847 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6849 2006-02-14 Roger Sayle <roger@eyesopen.com>
6852 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6853 (X,Y) and the corresponding symmetry related transformations.
6854 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6855 (X,Y) and its symmetry related transformations.
6857 2006-02-14 Roger Sayle <roger@eyesopen.com>
6859 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6862 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6864 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6866 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6869 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6870 support COMDAT group.
6871 * configure: Regenerate.
6873 2006-02-14 Roger Sayle <roger@eyesopen.com>
6878 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6880 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6882 Fix PR tree-optimization/26260
6884 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6886 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6887 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6888 * tree-ssa-structalias.c (create_variable_info_for): Use
6889 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6891 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6893 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6895 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6896 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6897 of the ending condition.
6898 * tree-ssa-loop-manip.c: Include params.h.
6899 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6900 tree_unroll_loop): New functions.
6901 * tree-pass.h (pass_loop_prefetch): Declare.
6902 * loop.c (rest_of_handle_loop_optimize): Test for
6903 -fprefetch-loop-arrays-rtl.
6904 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6905 * timevar.def (TV_TREE_PREFETCH): New timevar.
6906 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6907 pass_loop_prefetch): New.
6908 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6909 (cleanup_tree_cfg_loop): Call scev_reset.
6910 * common.opt (fprefetch-loop-arrays-rtl): Add.
6911 * tree-ssa-loop-prefetch.c: New file.
6912 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6913 (new_temp_expr_table): Initialize expr_vars.
6914 (free_temp_expr_table): Cleanup expr_vars.
6915 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6916 expressions from being merged into one.
6917 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6918 (struct tree_niter_desc): Add control, bound and cmp fields.
6919 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6921 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6922 (tree-cfgcleanup.o): Add SCEV_H dependency.
6923 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6924 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6926 2006-02-14 Richard Guenther <rguenther@suse.de>
6928 PR tree-optimization/26258
6929 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6930 in PHI argument processing.
6932 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6934 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6935 new expression in the requested machine mode.
6937 2006-02-13 Roger Sayle <roger@eyesopen.com>
6939 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6940 directly, instead let do_compare_rtx_and_jump handle this for us.
6941 * expr.c (expand_expr_real_1): Likewise.
6942 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6943 before do_jump_by_parts_greater.
6944 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6945 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6947 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6949 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6951 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6953 PR rtl-optimization/26235
6954 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6955 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6958 2006-02-13 Jeff Law <law@redhat.com>
6960 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6963 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6966 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6967 twice if decl is a builtin. When trying again, call get_callee_fndecl
6968 first to verify it is still a builtin.
6970 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6972 * dwarf2out.c (base_type_die): Don't add AT_name here.
6973 (subrange_type_die): Don't add AT_name here.
6974 (modified_type_die): Rearrange code flow. Do add AT_name here.
6976 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6978 PR rtl-optimization/26247
6979 PR rtl-optimization/26248
6980 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6982 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6984 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6985 * config/fixtfdi.c: Likewise.
6986 * config/fixunstfdi.c: Likewise.
6987 * config/floatditf.c: Likewise.
6989 2006-02-13 Roger Sayle <roger@eyesopen.com>
6992 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6993 into (X,C2) if C1 is a subset of the bits of C2. Transform
6994 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6996 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6998 2006-02-13 Josh Conner <jconner@apple.com>
7001 * varasm.c (function_section): Check for section name before
7002 calling select_section on targets that define
7003 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7004 unlikely_text_section instead of hot_function_section if
7005 first_function_block_is_cold.
7007 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7010 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7012 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7014 PR rtl-optimization/26222
7015 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7016 after tree->rtl expansion.
7017 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7018 before passing it to emit_move_insn.
7020 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7022 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7024 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7025 Clarify documentation.
7026 * c-common.h (warn_write_strings): Remove.
7027 * c-common.c (warn_write_strings): Likewise.
7028 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7031 2006-02-12 Roger Sayle <roger@eyesopen.com>
7034 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7035 (do_jump_parts_zero_rtx): New function renamed from
7036 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7037 (do_jump_parts_equality_rtx): New function split out from
7038 do_jump_parts_equality. Old implementation renamed as above.
7039 Call do_jump_parts_zero_rtx if either operand is zero.
7040 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7041 do all of the heavy lifting.
7042 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7043 calling either do_jump_by_parts_greater_rtx or
7044 do_jump_by_parts_equality_rtx.
7045 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7046 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7047 moved to do_compare_rtx_and_jump, call it directly.
7048 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7049 mode argument. Call do_compare_rtx_and_jump.
7050 (emit_case_nodes): Update calls to do_jump_if_equal.
7052 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7054 PR rtl-optimization/26225
7055 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7057 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7059 PR rtl-optimization/26232
7060 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7062 2006-02-11 Jason Merrill <jason@redhat.com>
7065 * tree-inline.c (declare_return_variable): Just don't use the
7066 modify target if it's a gimple complex reg and the return slot
7069 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7071 * doc/contrib.texi: Update my entry.
7073 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7075 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7077 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7079 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7082 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7084 * doc/invoke.texi (-floop-optimize2): Removed.
7085 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7086 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7087 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7088 * common.opt (floop-optimize2): Removed.
7089 (fmove-loop-invariants): Enabled by default.
7091 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7093 * tree-if-conv.c (combine_blocks): Free the result of
7094 get_loop_exit_edges.
7096 2006-02-10 Jeff Law <law@redhat.com>
7098 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7100 PR tree-optimization/26213
7101 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7102 loop trying to follow SSA_NAME_VALUE chains.
7104 2006-02-10 Richard Guenther <rguenther@suse.de>
7106 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7107 deal with structures that end in implicitly variable sized arrays.
7109 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7111 PR rtl-optimization/24762
7112 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7115 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7117 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7118 (struct ivopts_data): Add regs_used field.
7119 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7120 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7121 instead of loop_data->regs_used;
7122 (free_loop_data): Do not free aux fields for loops.
7123 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7124 and tree_ssa_iv_optimize_finalize.
7126 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7128 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7130 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7133 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7134 computing the effective result type.
7136 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7139 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7140 (tree_overlaps_hard_reg_set): Declare.
7141 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7142 type and signature to match function type expected by walk_tree.
7143 (tree_overlaps_hard_reg_set): New function.
7144 (decl_conflicts_with_clobbers_p): Rename to:
7145 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7146 Use tree_overlaps_hard_reg_set. Changed caller.
7147 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7148 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7149 * cris.c (cris_md_asm_clobbers): Likewise.
7151 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7153 * reload1.c (emit_input_reload_insns): Delete code that tries to
7154 inherit using find_equiv_reg.
7156 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7158 * c-common.h (flag_const_strings): Don't declare.
7159 * c-common.c (flag_const_strings): Remove.
7160 * c.opt (fconst_strings): Remove.
7161 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7162 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7163 (c_common_init_options): Don't set flag_const_strings.
7164 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7166 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7168 * arm.md (tlobits_cbranch): New pattern.
7169 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7170 testing a single bit.
7172 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7175 * tree-ssa-pre.c (create_component_ref_by_pieces):
7176 Handle RETURN_DECL like VAR_DECL.
7178 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7181 * fold-const.c (fold_indirect_ref_1): Fold
7182 "*(foo *)&complexfoo" to "__real__ complexfoo"
7183 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7185 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7187 * tree-flow-inline.h (var_can_have_subvars):
7188 Volatile variables should not have subvariables.
7190 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7193 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7194 multiplying unsigned values.
7197 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7199 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7201 2006-02-08 Jason Merrill <jason@redhat.com>
7204 * tree.def: Elaborate on difference from MODIFY_EXPR.
7205 * doc/c-tree.texi (INIT_EXPR): Likewise.
7206 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7207 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7208 (gimplify_target_expr): Likewise.
7209 (gimplify_cond_expr): Remove target handling.
7210 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7211 (gimplify_expr): Clobber it here.
7212 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7213 Do return slot optimization if we have an INIT_EXPR.
7216 * tree-inline.c (declare_return_variable): Also clear
7217 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7220 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7223 * gimplify.c (gimplify_one_sizepos): Fix typo.
7225 2006-02-08 Jeff Law <law@redhat.com>
7227 PR tree-optimization/21417
7228 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7229 across a backedge if the control statement at the end of the
7230 block is data dependent on other statements in the same block.
7231 (record_temporary_equivalences_from_stmts): Remove over-conservative
7232 test for threading across backedges.
7234 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7235 control statement, handle all three special cases in the same
7236 manner as they all have the same desired solution. No longer
7237 special case edge flag updating when the post dominator is
7240 2006-02-08 Roger Sayle <roger@eyesopen.com>
7242 * tree.def (CHAR_TYPE): Remove.
7243 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7244 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7245 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7246 (gen_string_type_die): Delete unreachable function.
7248 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7249 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7250 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7251 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7252 * builtins.c (type_to_class): Likewise.
7253 * fold-const.c (fold_convert, build_range_check,
7254 merge_ranges): Likewise.
7255 * expr.c (count_type_elements): Likewise.
7256 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7257 * stor-layout.c (layout_type): Likewise.
7258 * ipa-type-escape.c (type_to_consider): Likewise.
7259 * gimplify.c (omp_firstprivatize_type_sizes,
7260 gimplify_type_sizes): Likewise.
7261 * explow.c (promote_mode): Likewise.
7262 * tree-sra.c (is_sra_scalar_type): Likewise.
7263 * varasm.c (output_constant): Likewise.
7264 * tree-inline.c (remap_type_1): Likewise.
7265 * convert.c (convert_to_pointer, convert_to_real,
7266 convert_to_integer, convert_to_complex): Likewise.
7268 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7270 * df-scan.c (df_def_record_1): A set destination may
7271 be a parallel regardless of mode.
7273 2006-02-08 Roger Sayle <roger@eyesopen.com>
7276 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7277 * config/mips/_tilib.c: Remove.
7278 * config/fixtfdi.c: New libgcc source file.
7279 * config/fixunstfdi.c: New source file.
7280 * config/floatditf.c: New source file.
7281 * config/floatunditf.c: New souce file.
7282 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7283 files above instead of config/mips/_tilib.c.
7284 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7286 2006-02-08 Jeff Law <law@redhat.com>
7288 PR tree-optimization/26169
7289 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7292 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7294 * df.h (DF_REG_SIZE): Return the length of the initialized
7297 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7299 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7300 __muldf3): Return a correctly signed zero.
7302 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7304 * passes.c (register_one_dump_file): Accept the current properties
7305 instead of pass number. Adjust call to dump_register. Remove
7307 (register_dump_files): Now a wrapper around...
7308 (register_dump_files_1): ... this one. Do not modify the pass
7310 (next_pass_1): Cosmetic fix.
7311 (execute_todo): Keep second parameter only. Use curr_properties
7312 instead of fetching it from the pass structure. Check and set
7314 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7315 instead of fetching it from the pass structure. Fix calls to
7316 execute_todo. Update curr_properties and initialize .vcg RTL dump
7317 after running the pass. Reset last_verified.
7318 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7320 (FIRST_AUTO_NUMBERED_DUMP): New.
7321 (dump_register): Remove "num" parameter, assign it within the
7323 (get_dump_file_name): Modify template for dumps.
7324 * tree-dump.h (dump_register): Adjust prototype.
7325 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7326 (PROP_trees): Add PROP_gimple_lomp.
7327 (TODO_set_props): New.
7328 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7329 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7330 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7332 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7334 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7335 (sparc64-*-linux*): Likewise.
7336 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7337 * config/sparc/t-linux: New file.
7338 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7339 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7340 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7341 -m32 -mlong-double-128.
7343 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7344 * config/alpha/t-linux: New file.
7345 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7347 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7348 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7349 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7350 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7351 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7352 (CPP_ARCH32_SPEC): Remove.
7354 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7356 PR tree-optimization/26145
7357 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7360 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7363 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7364 >= 240000 when generating code for SOM runtime.
7365 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7366 to $$dyncall when generating code for SOM runtime..
7368 2006-02-07 Dirk Mueller <dmueller@suse.com>
7371 * doc/invoke.texi (-Wsequence-point): Update documentation
7372 that -Wsequence-point is implemented for C++ as well.
7374 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7376 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7377 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7378 (LIB_SPEC): Likewise.
7379 * doc/invoke.texi (SPARC options): Document -pthread.
7381 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7383 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7386 2006-02-07 Roger Sayle <roger@eyesopen.com>
7388 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7389 Correct comment describing BOOLEAN_TYPE.
7391 2006-02-07 Dirk Mueller <dmueller@suse.com>
7393 * c.opt: C++ frontend supports -Wdiv-by-zero.
7394 * c-opts.c (c_common_handle_option): Remove dead case.
7396 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7398 * configure.ac (TLS assembler check): Do not enable TLS by
7399 default on SPARC/Solaris before version 10.
7400 * configure: Regenerate.
7402 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7404 * doc/invoke.texi (xl-compat): Document conversion and support
7407 2006-02-07 Jeff Law <law@redhat.com>
7409 * tree-vrp.c (find_conditional_asserts): Update comments.
7410 (simplify_stmt_for_jump_threading): New.
7411 (identify_jump_threads, finalize_jump_threads): New.
7412 (vrp_finalize): Call identify_jump_threads.
7413 (execute_vrp): Call finalize_jump_threads.
7414 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7415 (vrp_element, vrp_data, vrp_element_p): Remove.
7416 (vrp_hash_elt, vrp_variables_stack): Remove.
7417 (vrp_hash, vrp_eq, record_range): Remove.
7418 (simplify_cond_and_lookup_avail_expr): Remove.
7419 (extract_range_from_cond): Remove.
7420 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7421 (simplify_stmt_for_jump_threading): New.
7422 (dom_thread_across_edge): New wrapper.
7423 (tree_ssa_dominator_optimize): No longer initialize or
7424 finalize any of the VRP datastructures. Remove iteration
7425 step and simplify as a result of removal of iteration step.
7426 (pass_dominator): Perform a cfg cleanup after DOM.
7427 (dom_opt_finalize_block): Use the new common routines
7428 for threading jumps. Simplify stack management slightly.
7429 No longer need to unwind VRP state.
7430 (record_equivalences_from_incoming_edge): No longer record
7432 (eliminate_redundant_computations): No longer call
7433 simplify_cond_and_lookup_avail_expr.
7434 * tree-flow.h (potentially_threadable_block): Prototype.
7435 (thread_across_edge): Likewise.
7436 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7437 (tree-ssa-threadedge.o): Add dependencies.
7438 * tree-ssa-threadedge.c: New file.
7439 * passes.c (init_optimization_passes): Merge PHIs before
7440 calling VRP. Run VRP again late in the SSA optimization pipeline.
7442 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7444 * df-core.c (df_set_blocks): Do not dereference function pointers.
7445 (df_finish1): Likewise.
7446 (df_hybrid_search_forward): Likewise.
7447 (df_hybrid_search_backward): Likewise.
7448 (df_iterative_dataflow): Likewise.
7449 (df_analyze_problem): Likewise.
7450 (df_compact_blocks): Likewise.
7451 (df_dump): Likewise.
7452 * df-scan.c (df_rescan_blocks): Likewise.
7453 (df_record_entry_block_defs): Likewise.
7455 * genconditions.c (write_conditions): Guard the definition of
7456 'insn_conditions' with the check on GCC version.
7457 (write_writer): Guard the traversal 'insn_conditions' with
7458 the check on GCC version.
7460 2006-02-07 Richard Guenther <rguenther@suse.de>
7464 2006-01-30 Richard Guenther <rguenther@suse.de>
7466 * gimplify.c (gimplify_target_expr): Handle easy cases
7467 without creating a temporary.
7469 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7471 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7472 use of float in probability computations. Use edge probabilities
7473 in place of statically computed probabilities.
7474 (min_spec_prob): New static variable.
7475 (schedule_insns): Initialize it.
7476 (GET_SRC_PROB): Removed.
7477 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7479 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7482 * config/ia64/unwind-ia64.c: Revert last change.
7483 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7484 (INCOMING_FRAME_SP_OFFSET): Define.
7486 2006-02-06 Roger Sayle <roger@eyesopen.com>
7488 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7490 2006-02-07 Ben Elliston <bje@au.ibm.com>
7492 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7493 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7494 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7495 (ix86_return_in_memory): Handle TDmode.
7496 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7497 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7499 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7501 * reorg.c (dbr_schedule): Use dump_file instead of file.
7503 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7506 * config/ia64/predicates.md (extr_len_operand): New predicate.
7507 * config/ia64/ia64.md (extv): Tighten constraints.
7509 (*tbit_and_2): Ditto.
7510 (*tbit_and_3): Ditto.
7511 (*tbit_or_2): Ditto.
7512 (*tbit_or_3): Ditto.
7516 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7519 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7521 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7523 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7524 loop_optimizer_init and loop_optimizer_finalize
7525 * tree-ssa-sink.c (execute_sink_code): Ditto.
7526 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7527 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7528 tree_ssa_loop_done): Ditto.
7529 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7530 * sched-ebb.c: Include output.h.
7531 (schedule_ebbs): Do not use dump argument.
7532 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7533 * loop.c (loop_dump_stream): Removed.
7534 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7536 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7537 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7538 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7539 loop_iterations, strength_reduce, record_biv, record_giv,
7540 final_giv_value, check_final_value, check_ext_dependent_givs,
7541 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7542 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7543 dump_file instead of loop_dump_stream.
7544 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7546 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7548 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7549 * haifa-sched.c: Include output.h
7550 (schedule_insns, sched_init): Do not use dump argument.
7551 * mode-switching.c (optimize_mode_switching): Ditto.
7552 * modulo-sched.c (stats_file): Removed.
7553 (print_node_sched_params): Do not call argument dump_file.
7554 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7555 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7557 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7559 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7560 rtl_loop_init, rtl_loop_done): Ditto.
7561 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7562 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7564 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7565 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7566 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7567 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7568 * emit-rtl.c (renumber_insns): Ditto.
7569 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7570 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7571 * regclass.c (regclass): Ditto.
7572 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7573 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7574 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7575 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7577 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7578 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7580 * gcse.c (gcse_file, debug_stderr): Removed.
7581 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7582 rest_of_handle_gcse): Do not use dump argument.
7583 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7584 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7585 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7586 compute_code_hoist_vbeinout, compute_code_hoist_data,
7587 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7588 compute_store_table, build_store_vectors, insert_insn_start_bb,
7589 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7590 store_motion): Use dump_file instead of gcse_file.
7591 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7592 * profile.c (profile_dump_file): Removed.
7593 (branch_prob): Use dump_file instead of profile_dump_file.
7594 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7596 * tree-ssa-copy.c (dump_copy_of): Ditto.
7597 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7598 dump file to life_analysis.
7599 * bt-load.c (branch_target_load_optimize): Ditto.
7600 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7602 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7603 regclass, dbr_schedule): Declaration changed.
7604 * sched-int.h (sched_init): Declaration changed.
7605 * tree-profile.c (tree_profile_dump_file): Removed.
7606 (tree_profile_hooks): Removed profile_dump_file hook.
7607 * rtl-profile (rtl_profile_dump_file): Removed.
7608 (rtl_profile_hooks): emoved profile_dump_file hook.
7609 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7611 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7612 * tree-cfg.c (build_tree_cfg): Ditto.
7613 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7614 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7615 Declaration changed.
7616 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7617 life_analysis and schedule_insns.
7618 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7620 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7622 * config/mips/mips.c (mips_reorg): Ditto.
7623 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7626 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7628 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7629 (s390_mangle_fundamental_type): New.
7630 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7633 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7634 (alpha_mangle_fundamental_type): New.
7635 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7638 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7640 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7642 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7643 (sparc_mangle_fundamental_type): New.
7645 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7647 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7648 (s390x-*-linux*): Likewise.
7649 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7650 * config/s390/t-linux: New file.
7652 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7654 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7655 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7657 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7659 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7660 (ANTIC_SAFE_LOADS): New macro.
7661 (find_or_generate_expression): Add prototype.
7662 (set_contains_value): Allow null set for sake of not always having
7663 to allocate ANTIC_SAFE_LOADS.
7664 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7665 Allow COMPONENT_REF too.
7666 (valid_in_set): Allow COMPONENT_REF.
7667 Check ANTIC_SAFE_LOADS too.
7668 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7669 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7671 (can_PRE_operation): Add COMPONENT_REF.
7672 (create_component_ref_by_pieces): New function.
7673 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7674 (insert_aux): Move AGGREGATE_TYPE_P check here.
7675 (compute_avail): Set bb local stmt uids.
7676 (pass_pre): Use TODO_update_ssa_only_virtuals.
7678 2006-02-06 Ben Elliston <bje@au.ibm.com>
7680 * configure.ac: Unconditionally disable decimal float by default.
7681 * configure: Regenerate.
7683 2006-02-06 Ben Elliston <bje@au.ibm.com>
7685 * read-rtl.c (read_name): Terminate reading on EOF.
7687 2006-02-06 Ben Elliston <bje@au.ibm.com>
7689 * dfp.c (decimal_real_arithmetic): Change second argument type
7690 from int to enum tree_code. Do not always return true, but now
7691 return result of any call to decimal_do helper functions.
7692 * dfp.h (decimal_real_arithmetic): Update prototype.
7694 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7696 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7698 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7701 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7704 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7706 * tree-vrp.c (cfg_loops): Removed.
7707 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7708 Use current_loops instead of cfg_loops. Pass flags to
7709 loop_optimizer_init.
7710 * cfgloopmanip.c (fix_loop_structure): Update only available
7712 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7713 loop_optimizer_init.
7714 * modulo-sched.c (build_loops_structure): Removed.
7715 (sms_schedule): Use loop_optimizer_init.
7716 * loop-init.c (loop_optimizer_init): Use flags to determine
7717 which properties of loops to prepare.
7718 (rtl_loop_init): Pass flags to loop_optimizer_init.
7719 * tree-ssa-sink.c (execute_sink_code): Ditto.
7720 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7721 * tree-ssa-pre.c (init_pre): Ditto.
7722 * cfgloop.h (LOOPS_NORMAL): New.
7723 (loop_optimizer_init): Declaration changed.
7725 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7727 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7728 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7730 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7732 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7734 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7735 * pa/t-pa64: Delete quadlib.c rule.
7736 * pa/x-ada: Revert last change.
7737 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7739 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7741 PR rtl-optimization/26087
7742 * rtlanal.c (canonicalize_condition): Do not cross basic block
7745 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7748 * config/ia64/ia64.c: Include debug.h.
7749 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7750 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7751 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7752 (process_epilogue, process_set, process_for_unwind_directive):
7753 Output unwind info only if requested. Add CFA info if requested.
7754 Add new arguments as needed. Adjust callers.
7755 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7757 (DWARF2_FRAME_INFO): Define to zero.
7758 * config/ia64/unwind-ia64.c: Remove code that compensated for
7759 the CFA offset error fixed above.
7760 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7761 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7762 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7763 -funwind-tables and -fexceptions to enable frame info.
7764 (dwarf2out_frame_init): Define initial CFA even if
7765 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7766 DWARF2_UNWIND_INFO is nonzero, not just defined.
7767 (dwarf2out_frame_finish): Output non-EH call frame info only
7768 if DWARF2_FRAME_INFO is nonzero.
7769 (convert_cfa_to_loc_list,
7770 compute_frame_pointer_to_cfa_displacement): Define even if
7771 unwind info is not supported.
7772 (gen_subprogram_die): Use the above unconditionally. Remove
7773 legacy alternate code.
7774 * toplev.c (compile_file): Compile in call to
7775 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7776 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7778 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7779 Jakub Jelinek <jakub@redhat.com>
7781 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7782 IBM extended float format long double as "g" on powerpc*-linux.
7784 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7787 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7788 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7790 2006-02-03 Jason Merrill <jason@redhat.com>
7793 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7796 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7797 on the return slot if it's an NRV.
7799 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7801 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7802 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7803 rewrite_use): Do not handle USE_OUTER.
7804 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7805 add_iv_outer_candidates, may_replace_final_value,
7806 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7807 (find_interesting_uses_op): Functionality of
7808 find_interesting_uses_outer_or_nonlin moved here.
7809 (find_interesting_uses_outside): Use find_interesting_uses_op.
7811 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7814 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7816 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7817 Ulrich Weigand <uweigand@de.ibm.com>
7820 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7821 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7822 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7823 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7825 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7826 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7827 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7828 Define secondary reloads for TFmode moves.
7829 (constant_modes): Add TFmode.
7830 (NR_C_MODES): Set to 8.
7831 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7833 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7834 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7835 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7836 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7837 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7838 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7839 (FPR mode macro): Add TFmode.
7840 (DSF mode macro): New.
7841 (<de>, <dee> mode attributes): Removed.
7842 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7843 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7844 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7845 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7846 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7847 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7848 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7849 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7850 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7851 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7852 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7853 "*negabs<mode>2", "sqrt<mode>2"):
7854 Changed <de> to <xde>. R constraint replaced by <Rf>.
7855 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7857 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7858 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7859 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7861 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7862 "extenddftf2", "extendsftf2"): New expanders.
7863 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7864 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7865 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7866 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7868 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7869 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7870 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7871 __floatditf): Add a GCC_4.1.0 symbol version tag.
7872 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7875 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7878 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7879 Use targetm.binds_local_p instead of TREE_PUBLIC.
7881 2006-02-02 Roger Sayle <roger@eyesopen.com>
7883 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7884 on INTEGER_TYPEs to indicate that it denotes a character type.
7885 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7886 signed_char_type_node, unsigned_char_type_node and char_type_node.
7887 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7888 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7889 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7891 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7892 Daniel Berlin <dberlin@dberlin.org>
7894 * tree-tailcall.c (arg_needs_copy_p): New function.
7895 (eliminate_tail_call): Use arg_needs_copy_p.
7896 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7897 (add_virtual_phis): New function.
7899 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7901 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7902 #ignore instead of #scratch for %g7 .register directive.
7904 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7906 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7909 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7911 * flow.c (calculate_global_regs_live): Assert that there aren't any
7914 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7916 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7918 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7919 bsi_after_labels iterator.
7920 * tree-if-conv.c (find_phi_replacement_condition,
7921 replace_phi_with_cond_modify_expr): Likewise.
7922 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7923 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7925 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7927 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7929 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7932 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7933 array after growing it.
7935 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7938 * fold-const.c (fold_checksum_tree): Change type of buf.
7940 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7942 * reload.c (push_secondary_reload): Initialize t_icode.
7944 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7946 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7947 -msoft-float -mlong-double-128 only issue a warning, but don't
7948 swich to DFmode long double.
7950 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7952 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7953 has a constant equivalent, iterate over equivalents for arg0,
7954 calling simplify_relational_operation and if there's a result
7955 cheaper than X, apply fold_rtx and return the result.
7957 2006-02-01 Jan Hubicka <jh@suse.cz>
7959 * opts.c (no_unit_at_a_time_default): New global variable.
7960 (decode_options): Use it.
7961 * opts.h (no_unit_at_a_time_default): Declare.
7963 2006-02-01 Paul Brook <paul@codesourcery.com>
7965 * function.c (assign_parm_setup_reg): Use function argument promotion
7967 * expr.c (expand_expr_real_1): Use function argument promotion rules
7970 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7972 * gcc.c (process_command): Change j to 'unsigned int'.
7974 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7977 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7978 Use the corrected index for the character
7979 out of the string constant.
7981 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7983 * mode-switching.c (optimize_mode_switching): Fix size
7984 allocated for bb_info[n_entities].
7986 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7988 * gcc.c (main): Correct type that is allocated for
7989 explicit_link_files.
7991 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7993 * config/s390/s390.c (init_alignment_context): Set
7994 ALIAS_SET_MEMORY_BARRIER on the MEM.
7995 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7997 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8000 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8002 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8005 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8007 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8008 * regrename.c: Ditto.
8009 * tree-ssa-loop-im.c: Ditto.
8010 * tree-dump.c: Ditto.
8011 * tree-complex.c: Ditto.
8012 * genrecog.c: Ditto.
8013 * tree-ssa-threadupdate.c: Ditto.
8015 * java/class.c: Ditto.
8016 * java/jcf-parse.c: Ditto.
8017 * java/resource.c: Ditto.
8018 * java/except.c: Ditto.
8019 * java/jvspec.c: Ditto.
8020 * java/jcf-write.c: Ditto.
8021 * java/jcf-path.c: Ditto.
8022 * java/gjavah.c: Ditto.
8023 * java/zextract.c: Ditto.
8024 * java/jcf-io.c: Ditto.
8025 * java/jcf.h: Ditto.
8026 * java/buffer.c: Ditto.
8027 * java/lang.c: Ditto.
8028 * java/parse-scan.y: Ditto.
8029 * java/lex.c: Ditto.
8030 * java/lex.h: Ditto.
8031 * cfgloopmanip.c: Ditto.
8032 * postreload-gcse.c: Ditto.
8033 * tree-ssa-loop-manip.c: Ditto.
8034 * postreload.c: Ditto.
8035 * tree-ssa-loop-ch.c: Ditto.
8039 * diagnostic.c: Ditto.
8041 * genoutput.c: Ditto.
8043 * cfghooks.c: Ditto.
8044 * cfgloopanal.c: Ditto.
8045 * objc/objc-act.c: Ditto.
8047 * genextract.c: Ditto.
8048 * genautomata.c: Ditto.
8049 * pretty-print.c: Ditto.
8051 * cgraphunit.c: Ditto.
8054 * haifa-sched.c: Ditto.
8055 * dominance.c: Ditto.
8057 * tree-ssa-loop-ivopts.c: Ditto.
8059 * mode-switching.c: Ditto.
8060 * modulo-sched.c: Ditto.
8062 * ipa-pure-const.c: Ditto.
8064 * fix-header.c: Ditto.
8066 * tree-stdarg.c: Ditto.
8067 * ipa-utils.c: Ditto.
8068 * loop-init.c: Ditto.
8069 * ipa-inline.c: Ditto.
8072 * alloc-pool.c: Ditto.
8073 * dwarf2out.c: Ditto.
8075 * genattrtab.c: Ditto.
8076 * tree-ssa-loop-ivcanon.c: Ditto.
8080 * fortran/gfortranspec.c: Ditto.
8082 * local-alloc.c: Ditto.
8083 * langhooks.c: Ditto.
8084 * function.c: Ditto.
8085 * tree-vectorizer.c: Ditto.
8087 * ipa-type-escape.c: Ditto.
8089 * tree-if-conv.c: Ditto.
8092 * tree-data-ref.c: Ditto.
8093 * loop-unroll.c: Ditto.
8094 * treelang/treetree.c: Ditto.
8097 * ggc-common.c: Ditto.
8099 * coverage.c: Ditto.
8101 * tree-cfgcleanup.c: Ditto.
8102 * tree-ssa-pre.c: Ditto.
8103 * cfgcleanup.c: Ditto.
8104 * loop-invariant.c: Ditto.
8106 * ipa-prop.c: Ditto.
8107 * print-tree.c: Ditto.
8108 * conflict.c: Ditto.
8109 * ggc-page.c: Ditto.
8110 * sched-deps.c: Ditto.
8111 * regclass.c: Ditto.
8112 * tree-object-size.c: Ditto.
8114 * bb-reorder.c: Ditto.
8115 * resource.c: Ditto.
8116 * var-tracking.c: Ditto.
8118 * df-problems.c: Ditto.
8119 * reg-stack.c: Ditto.
8122 * sched-rgn.c: Ditto.
8123 * tree-ssa-structalias.c: Ditto.
8124 * tree-ssa-reassoc.c: Ditto.
8125 * config/darwin-c.c: Ditto.
8126 * config/darwin.c: Ditto.
8127 * config/arm/arm.c: Ditto.
8129 * collect2.c: Ditto.
8132 2006-01-31 Nicolas Pitre <nico@cam.org>
8134 * arm.md (smaxsi3): Make aware of smax_m1.
8137 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8139 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8141 2006-01-31 Richard Guenther <rguenther@suse.de>
8143 * doc/invoke.texi (-msselibm): Document.
8144 * target.h (expand_library_builtin): New target hook.
8145 * builtins.c (expand_builtin): Use expand_library_builtin.
8146 (default_expand_library_builtin): New function.
8147 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8148 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8149 (link_gcc_math_spec): Declare.
8150 (static_specs): Add link_gcc_math_spec.
8151 * expr.h (default_expand_library_builtin): Declare.
8152 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8153 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8154 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8155 * config/i386/i386.opt (msselibm): New target option.
8156 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8157 (ix86_init_sse_abi_builtins): New function.
8158 (ix86_expand_library_builtin): Likewise.
8159 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8160 (override_options): Handle error conditions wrt -msselibm.
8161 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8162 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8163 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8166 2006-01-31 Richard Guenther <rguenther@suse.de>
8167 Paolo Bonzini <bonzini@gnu.org>
8169 * doc/install.texi (--disable-libgcc-math): Document.
8171 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8173 * expr.h (expand_normal): new inline function.
8174 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8176 * dwarf2out.c: use it.
8181 * config/sparc/sparc.c: use it.
8182 * config/i386/i386.c: use it.
8183 * config/rs6000/rs6000.c: use it.
8184 * config/arm/arm.c: use it.
8185 * config/mips/mips.c: use it.
8186 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8188 2006-01-30 Roger Sayle <roger@eyesopen.com>
8190 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8191 argv to the appropriate type.
8193 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8195 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8198 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8201 * config/s390/s390.c (struct machine_function): New flag
8202 decomposed_literal_pool_addresses_ok_p.
8203 (s390_reorg): Set it before final stage of literal pool transforms.
8204 (s390_decompose_address): Only accept displacements of the form
8205 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8207 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8209 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8210 the comparison routine return.
8212 2006-01-30 Michael Matz <matz@suse.de>
8214 * global.c (find_reg): Only evict for global regs.
8215 Take n_refs into account and dump more info.
8217 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8220 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8221 (pragma_trap, pragma_nosave_low_regs): Likewise.
8222 (current_function_anonymous_args): Likewise.
8223 (sh_deferred_function_attributes): New variable.
8224 (sh_deferred_function_attributes_tail): Likewise.
8225 (print_operand): For '@', look up trap_exit attribute.
8226 (calc_live_regs): Look up trapa_handler attribute. For trapa
8227 handlers, save/restore fpscr, but don't do any other
8228 interrupt-specific saves.
8229 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8230 Fix check for partially saved registers to check for SHmedia.
8231 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8232 (sh_output_function_epilogue): Don't clear any of the removed
8234 (sh_insert_attributes): Don't check pragma_interrupt.
8235 Insert deferred attributes. Check that interrupt attribute is
8236 present for other attributes that require its presence.
8237 (sh_attribute_table): Add new attributes trapa_handler and
8239 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8240 Don't check for pragma_interrupt. Don't store argument.
8241 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8242 (sh_deferred_function_attributes): Declare.
8243 (sh_deferred_function_attributes_tail): Likewise.
8244 * sh.md (sp_switch_1): Add operand. Change generator caller.
8245 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8246 (*return_i): Don't use when trap_exit attribute is in effect.
8247 (*return_trapa): New insn pattern.
8249 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8250 setting c_target_objs and cxx_target_objs.
8251 * t-sh: Add rule for sh-c.o.
8253 2006-01-30 Richard Guenther <rguenther@suse.de>
8256 * gimplify.c (gimplify_target_expr): Handle easy cases
8257 without creating a temporary.
8259 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8261 * vec.h (safe_grow): Remove duplicated line.
8263 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8266 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8267 (expand_omp): ... here.
8268 (expand_omp_parallel): Only remove barriers for combined
8269 parallel+workshare constructs.
8271 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8275 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8276 * tree.c (build_qualified_type): Chain the new type to the original
8277 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8278 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8279 (build_pointer_type_for_mode): Only return unqualified types.
8280 (build_reference_type_for_mode): Likewise.
8282 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8284 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8285 * Makefile.in (CXX_COMPAT_WARN): Define.
8286 * configure: Regenerate.
8288 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8291 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8294 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8296 * toplev.c: Fix thinko.
8298 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8299 Marcin Dalecki <martin@dalecki.de>
8301 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8302 (push_srcloc): Use XNEW.
8303 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8305 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8307 * df-core.c (df_set_blocks): Deleted all variable.
8309 2006-01-28 Ian Lance Taylor <ian@airs.com>
8311 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8312 cgraph_output_pending_asms.
8314 2006-01-28 Zack Weinberg <zackw@panix.com>
8316 * c.opt: Add -W(no-)overlength-strings.
8317 * doc/invoke.texi: Document it.
8318 * c-opts.c (c_common_handle_option): -pedantic implies
8319 -Woverlength-strings, if not explicitly disabled already.
8320 (c_common_post_options): -Woverlength-strings defaults to off, and
8321 is always off for C++.
8322 * c-common.c (fix_string_type): Issue warning about strings longer
8323 than is portable only if warn_overlength_strings. Rearrange code
8324 a little for clarity.
8325 * configure.in: Check for -Wno-overlength-strings as well before
8326 enabling -pedantic in stage 1.
8327 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8328 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8330 * genconditions.c (write_header, write_one_condition)
8331 (write_conditions, write_writer): Consolidate very long strings
8332 that were broken up to fit in C89 portable limit. Don't use
8333 printf when fputs will do.
8335 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8337 * combine.c (simplify_comparison <AND>): Check
8338 TRULY_NOOP_TRUNCATION before start using a subreg.
8340 * config/mips/mips.md (*branch_zero<mode>,
8341 *branch_zero<mode>_inverted, *branch_equality<mode>,
8342 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8343 Remove mode check from comparisons.
8345 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8347 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8349 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8351 * expmed.c (const_mult_add_overflow_p): Remove.
8352 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8354 * recog.c (validate_replace_rtx_subexp): Remove.
8355 * recog.h: Remove the prototype for
8356 validate_replace_rtx_subexp.
8358 * integrate.h: Remove the prototype for
8359 copy_decl_for_inlining.
8360 * rtl.h: Remove the prototype for mark_constant_function.
8361 * tree-vectorizer.h: Remove the prototype for
8362 vect_strip_conversion.
8364 * modulo-sched.c (create_partial_schedule,
8365 free_partial_schedule, reset_partial_schedule): Make them
8368 * hooks.c (hook_bool_rtx_int_false): Remove.
8369 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8371 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8373 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8374 and -mlong-double-128 are incompatible.
8375 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8376 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8377 (TARGET_LIBGCC2_CFLAGS): Define.
8378 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8379 (TARGET_LIBGCC2_CFLAGS): Same.
8380 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8382 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8385 * c-typeck.c (build_binary_op): Perform implicit casts of
8386 operands before shortening them.
8388 * cfgloopmanip.c (split_loop_bb): Remove.
8389 * cfgloop.h: Remove the prototype for split_loop_bb.
8391 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8392 * cfgloop.h: Remove the prototype for
8393 flow_loop_outside_edge_p.
8395 * emit-rtl.c (init_virtual_regs): Make it static.
8396 * function.h: Remove the prototype for init_virtual_regs.
8398 * recog.c (peephole2_optimize): Make it static.
8399 * recog.h: Remove the prototype for peephole2_optimize.
8401 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8403 * df-scan.c (df_record_entry_block_defs): Check if
8404 INCOMING_RETURN_ADDR_RTX is defined.
8406 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8407 Kenneth Zadeck <zadeck@naturalbridge.com>
8409 PR rtl-optimization/24762
8410 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8411 * targhooks.c (hook_void_bitmap): New hook prototype.
8412 * targhoohs.h (hook_void_bitmap): Ditto.
8413 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8414 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8415 * target.h (live_on_entry): New function pointer.
8416 * df-scan.c (df_all_hard_regs): Removed.
8417 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8418 (df_scan_free_internal): Added df->entry_block_defs.
8419 (df_scan_alloc): Ditto.
8420 (df_scan_dump): Ditto.
8421 (df_uses_record): Plumbed flag field properly thru calls.
8422 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8423 This part fixes PR24762.
8424 (df_bb_refs_record): Added code to make the frame and arg
8425 pointers live in EH blocks.
8426 (df_refs_record): Added call to df_record_entry_block_defs.
8427 (df_record_entry_block_defs): New function.
8428 * df-core.c: Added comments to describe new artifical defs.
8429 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8430 (entry_block_defs): New field in struct df.
8431 (df_all_hard_regs): Deleted.
8432 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8433 * df-problems.c (df_ru_bb_local_compute_process_def):
8434 Added code to handle artifical defs in the entry to a function.
8435 (df_ru_bb_local_compute): Ditto.
8436 (df_rd_bb_local_compute_process_def): Ditto.
8437 (df_rd_bb_local_compute): Ditto.
8438 (df_lr_bb_local_compute): Ditto.
8439 (df_ur_bb_local_compute): Ditto.
8440 (df_urec_bb_local_compute): Ditto.
8441 (df_chain_create_bb): Ditto.
8442 (df_ur_local_finalize): Removed entry.
8443 (df_urec_init): Ditto.
8444 (df_urec_local_finalize): Ditto.
8445 (df_ri_bb_compute): Added detection of last use of pseudos.
8446 * Makefile.in (df-scan.o): Updated dependencies.
8447 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8448 * config/mips/mips.c (mips_set_live_on_entry): Added.
8449 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8451 * dce.c (marked_insn_p): Added code to handle artifical defs.
8453 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8455 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8457 (_mm_cvtsi128_si64): Likewise.
8458 (_mm_cvtsd_si64): Likewise.
8459 (_mm_cvttsd_si64): Likewise.
8460 (_mm_cvtsi64_sd): Likewise.
8461 (_mm_cvtsi64_si128): Likewise.
8462 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8463 (_mm_cvtsi64_m64): Likewise.
8464 (_m_to_int64): Likewise.
8465 (_mm_cvtm64_si64): Likewise.
8466 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8467 (_mm_cvttss_si64): Likewise.
8468 (_mm_cvtsi64_ss): Likewise.
8469 (_mm_cvtss_f32): Likewise.
8471 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8473 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8474 for pragma redefine_extname.
8476 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8479 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8480 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8481 -mno-minimal-toc to previous content.
8482 (bispecs): Remove goal.
8483 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8484 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8485 compatibility aliases on powerpc-*-*gnu*.
8486 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8487 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8488 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8489 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8490 (ldblspecs): New goal.
8491 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8492 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8494 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8495 L_sf_to_tf or L_df_to_tf is defined.
8497 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8498 Alan Modra <amodra@bigpond.net.au>
8501 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8502 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8503 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8504 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8505 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8506 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8507 (rs6000_override_options): Initialize rs6000_ieeequad.
8508 Initialize TFmode format to ibm_extended_format if not
8510 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8512 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8513 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8514 (function_arg_advance): IBM long double passed in two FPRs, not
8516 (function_arg): IBM long double passed in FPRs.
8517 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8518 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8519 Only multireg GPR aligned.
8520 (rs6000_init_libfuncs): Enable IBM long double functions if not
8522 (rs6000_generate_compare): Use IBM long double compare if not
8524 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8525 (TARGET_IEEEQUAD): Define.
8526 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8527 not TARGET_IEEEQUAD.
8528 * config/rs6000/rs6000.md: Enable TFmode patterns if
8530 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8531 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8532 and -mlong-double-128 are incompatible.
8533 * doc/invoke.texi (-mabi): Collect options together. Add
8534 ibmlongdouble and ieeelongdouble.
8536 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8538 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8540 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8541 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8542 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8543 * rtl.h (rtunion_def): Remove rt_ptr.
8545 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8546 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8547 * config/i386/winnt.c (i386_pe_mark_dllexport)
8548 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8550 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8552 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8554 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8558 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8559 pthread_key_delete. From John David Anglin. gthrw-ify
8560 pthread_getunique_np only if it it's not a macro. Delete
8562 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8563 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8564 __gthread_objc_condition_signal, __gthread_key_delete): Add
8565 "__attribute__ ((__unused__))" to unused arguments.
8566 (__gthread_recursive_mutex_init_function): Add missing return.
8567 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8568 gthr-posix95.h: Use macro-based approach for name redirection
8569 on targets missing weakref.
8571 2006-01-26 Zack Weinberg <zackw@panix.com>
8573 * genconditions.c (write_header): In generated code, #ifdef out
8574 all includes and fake declarations, except includes of bconfig.h
8575 and system.h, unless GCC_VERSION >= 3001. Do not include
8576 gensupport.h in any case.
8577 (write_conditions): Generate a definition of struct c_test. Add
8578 a comment to the generated #endif.
8579 (write_one_condition): Escape backslashes in string too.
8580 (write_writer): Generated code must escape backslashes and quote
8581 marks (but not newlines) in the strings it writes.
8582 * Makefile.in (build/gencondmd.o): Update dependencies.
8584 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8587 * Makefile.in (insn-automata.o): Add header file dependencies.
8588 * genautomata.c: Add includes.
8590 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8593 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8595 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8597 * configure.ac: Expect target tools paths to be passed from the toplevel
8598 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8600 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8602 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8605 * c.opt (Wpointer-sign): Init to -1.
8606 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8607 OPT_pedantic, to 0 otherwise.
8608 * doc/invoke.texi: Update.
8610 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8612 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8613 constants provided by 80387 instructions in the destination mode.
8615 2006-01-26 Richard Guenther <rguenther@suse.de>
8616 Andrew Pinski <pinskia@physics.uc.edu>
8619 partial PR tree-opt/17064
8620 * tree-ssa-structalias.c (intra_create_variable_infos):
8621 Create heap variables for incoming parameters if
8622 flag_argument_noalias > 1.
8623 (find_what_p_points_to): Look through default defs of
8626 2006-01-26 Jeff Law <law@redhat.com>
8629 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8630 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8631 within the VR_RANGE, use the VR_RANGE as the result, not the
8633 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8634 bounds for the type.
8636 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8638 * tree-ssa-alias.c (maybe_create_global_var): Change
8639 subvar walking to an assertion that we don't have subvar'd variables.
8641 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8644 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8645 Use a new variable, inner. PARM_DECLs are always non-weak.
8647 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8649 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8652 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8654 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8656 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8658 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8659 (smax_insn, smin_insn, smax_0, smin_0): New.
8661 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8664 * config/cris/cris.c (cris_order_for_addsi3): New function.
8665 * config/cris/cris-protos.h: Prototype it.
8666 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8667 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8668 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8669 (split for "op.S1 [rx=rx+i],ry (swapped)")
8670 (split for "op(s|u).S1 [rx=rx+i],ry")
8671 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8672 Apply cris_order_for_addsi3 when generating addsi3 insns.
8674 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8676 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8677 (TREE_BLOCK): Add call to EXPR_CHECK.
8679 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8682 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8683 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8684 (dump_omp_clauses): ... here.
8685 (dump_generic_node): Handle OMP_CLAUSE.
8686 * tree.c (omp_clause_num_ops): New.
8687 (omp_clause_code_name): New.
8688 (tree_code_size): Handle OMP_CLAUSE.
8689 (tree_size): Likewise.
8690 (make_node): Document handling of OMP_CLAUSE.
8691 (tree_node_structure): Handle OMP_CLAUSE.
8692 (omp_clause_check_failed): New.
8693 (omp_clause_range_check_failed): New.
8694 (omp_clause_operand_check_failed): New.
8695 (build_omp_clause): New.
8696 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8697 * tree.h (enum omp_clause_code): Declare.
8698 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8699 (OMP_CLAUSE_RANGE_CHECK): Define.
8700 (OMP_CLAUSE_ELT_CHECK): Define.
8701 (omp_clause_check_failed): Declare.
8702 (omp_clause_operand_check_failed): Declare.
8703 (omp_clause_range_check_failed): Declare.
8704 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8705 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8706 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8707 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8708 (OMP_CLAUSE_IF_EXPR): Likewise.
8709 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8710 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8711 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8712 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8713 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8714 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8715 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8716 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8717 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8718 (OMP_CLAUSE_CODE): Define.
8719 (OMP_CLAUSE_SET_CODE): Define.
8720 (OMP_CLAUSE_CODE): Define.
8721 (OMP_CLAUSE_OPERAND): Define.
8722 (struct tree_omp_clause): Declare.
8723 (union tree_node): Add field 'omp_clause'.
8724 * treestruct.def (TS_OMP_CLAUSE): Define.
8725 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8726 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8727 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8728 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8729 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8730 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8731 (OMP_CLAUSE): Define.
8732 * print-tree.c (print_node): Handle OMP_CLAUSE.
8733 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8734 * c-typeck.c: Likewise.
8735 * gimplify.c: Likewise.
8736 * c-omp.c: Likewise.
8737 * tree-nested.c: Likewise.
8738 * tree-inline.c: Likewise.
8739 * c-parser.c: Likewise.
8740 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8743 2006-01-25 Roger Sayle <roger@eyesopen.com>
8745 PR rtl-optimization/25703
8746 * combine.c (try_combine): Handle zero_extract and strict_low_part
8747 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8749 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8751 * global.c: Fix comment typos.
8753 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8756 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8757 Use output_addr_const instead of assemble_name.
8759 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8761 * Makefile.in (sched-vis.o): Update dependencies.
8762 * haifa-sched.c (sched_finish): Clear current_sched_info.
8763 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8764 (dump_flow_info): Call it.
8765 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8767 * basic-block.h (dump_bb_info): Declare.
8768 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8769 option, and apply options only for dump files whose TDF_RTL,
8770 TDF_TREE, or TDF_IPA bits match.
8771 * rtl.h: Declare new functions exported from sched-vis.c.
8772 * sched-vis.c: Enable also if scheduling is not used.
8773 (print_value): Print the mode of registers if not inside scheduling.
8774 (print_insn): Make it work outside the scheduler. Beautify the output
8776 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8778 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8780 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8781 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8782 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8783 depending on the value of CONSTANT_POOL_ADDRESS_P.
8784 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8786 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8787 rather than SYMBOL_REF_DECL.
8788 (rtx_constant_pool): Remove const_rtx_sym_htab.
8789 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8790 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8791 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8792 Remove handling of const_rtx_sym_htab.
8793 (find_pool_constant): Delete.
8794 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8795 rather than find_pool_constant.
8796 (get_pool_constant_for_function): Delete.
8797 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8799 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8800 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8801 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8802 (SYMBOL_REF_CONSTANT): New macro.
8803 (get_pool_constant_for_function): Delete.
8804 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8805 rather than SYMBOL_REF_DECL.
8806 (i386_pe_mark_dllimport): Likewise.
8807 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8808 rather than SYMBOL_REF_DECL.
8809 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8810 (machopic_indirect_call_target): Likewise.
8812 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8814 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8816 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8818 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8820 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8822 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8824 2006-01-24 David Daney <ddaney@avtrex.com>
8827 * configure.ac (enable_tls): New enable option.
8828 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8829 * configure: Regenerate.
8830 * doc/install.texi (--enable-tls): Document new option.
8831 (--disable-tls): Ditto.
8833 2006-01-24 Richard Henderson <rth@redehat.com>
8835 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8836 * alias.c (true_dependence): Respect it.
8837 (canon_true_dependence, write_dependence_p): Likewise.
8838 * builtins.c (get_builtin_sync_mem): Set it.
8840 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8842 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8845 2006-01-24 DJ Delorie <dj@redhat.com>
8847 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8848 for storing constants in single-bit bitfields.
8850 2006-01-25 Ben Elliston <bje@au.ibm.com>
8852 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8854 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8857 * tree-ssa-pre.c (phi_translate): Return NULL
8858 for AGGREGATE_TYPE's.
8860 2006-01-24 Zack Weinberg <zackw@panix.com>
8862 * genautomata.c (process_state_for_insn_equiv_partition):
8863 Use xcalloc for insn_arcs_array.
8864 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8865 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8867 2006-01-24 Richard Henderson <rth@redhat.com>
8869 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8872 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8874 PR rtl-optimization/25890
8875 PR rtl-optimization/25905
8876 * combine.c (expand_compound_operation, expand_field_assignment):
8877 Fail if the bitfield's final position is out of bounds.
8879 2006-01-24 Ian Lance Taylor <ian@airs.com>
8882 * cgraphunit.c (cgraph_output_in_order): Don't clear
8883 cgraph_asm_nodes until after asm strings have been output.
8885 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8887 * fix-header.c (read_scan_file): Add new parameter imultilib when
8888 calling register_include_chains.
8890 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8892 * omp-low.c: Update documentation.
8894 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8895 Daniel Berlin <dberlin@dberlin.org>
8899 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8900 return from the function.
8902 2006-01-22 Zack Weinberg <zackw@panix.com>
8904 * rtl.def (match_code): Add second argument.
8905 * genpreds.c (write_extract_subexp): New function.
8906 (write_match_code): Add path argument. Use write_extract_subexp.
8907 (write_predicate_expr): Pass path to write_match_code.
8908 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8909 not perform a mode test.
8910 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8911 a subexpression does not constrain the top-level code set.
8912 * read-rtl.c (read_rtx_variadic): New function.
8913 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8914 * doc/md.texi: Document new notation.
8915 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8916 (cmpsi_operand): ... here, using new notation.
8918 2006-01-22 Zack Weinberg <zackw@panix.com>
8920 * varray.c: Remove GENERATOR_FILE #ifdefs.
8922 2006-01-22 Zack Weinberg <zackw@panix.com>
8924 * genautomata.c (output_reserved_units_table): Emit nothing if
8925 description->query_units_num is zero. Remove extra blank line.
8926 (output_cpu_unit_reservation_p): Short circuit
8927 if description->query_units_num is zero.
8929 2006-01-22 Zack Weinberg <zackw@panix.com>
8931 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8932 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8933 nor any of the random handful of variables that used to be necessary
8934 when this program was linked with rtlanal.o. Prune set of forward
8935 function declarations.
8936 (struct attr_desc): Remove static_p field.
8937 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8938 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8939 (attr_string): Do not read the character one past the length of
8941 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8942 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8943 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8944 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8945 (make_automaton_attrs): New.
8946 (main): Do not call into genautomata. Call local gen_bypass
8947 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8948 Remove special case for insn_alts.
8949 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8950 varray.h (leftover from previous change). Prune set of forward
8951 function declarations. Remove state_alts fields from all
8952 structures. Remove state_alts_table from struct automaton.
8953 Make everything except main static. Do not maintain num_dfa_decls.
8954 Do not maintain state_alts fields of various structures.
8955 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8956 (add_arc): Remove state_alts argument. All callers updated.
8957 (output_reserved_units_table): Emit #ifdef here...
8958 (output_tables): ...not here. Don't generate state_alts tables.
8959 (expand_automata): Don't generate attributes.
8960 (write_automata): Don't generate state_alts functions.
8961 (main): New function.
8962 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8963 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8964 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8965 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8966 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8967 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8968 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8969 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8971 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8972 * genattrtab.h: Delete file.
8973 * Makefile.in (OBJS-common): Add insn-automata.o.
8974 (insn-automata.o): New rule.
8975 (simple_generated_c): Add insn-automata.c.
8976 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8977 (genprogmd): Add automata.
8978 (build/genattrtab): Needs no extra objects nor libraries.
8979 (build/genautomata): Needs build/vec.o and -lm.
8981 2006-01-22 Zack Weinberg <zackw@panix.com>
8983 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8984 (output_dfa_max_issue_rate, locked_states_num): Delete.
8985 (struct automaton): Add locked_states field.
8986 (output_dead_lock_vect): Save number of locked states in
8987 automaton->locked_states. If it is zero, don't print anything.
8988 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8989 (output_internal_dead_lock_func): Only test the dead_lock_vect
8990 for automata that have locked states.
8991 (output_statistics): Always print the number of locked states for
8992 each automaton. Calculate total number of locked states here.
8993 (write_automata): Don't call output_dfa_max_issue_rate.
8994 * genattrtab.c: Define length_unit_log as a const variable.
8995 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8996 max_insn_queue_index const.
8997 * final.c (length_unit_log): Declare const.
8998 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9000 2006-01-22 Zack Weinberg <zackw@panix.com>
9002 * genautomata.c: Include vec.h, not varray.h.
9003 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9004 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9005 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9006 VEC_* macros operating on appropriately typed vectors, or to
9007 malloced arrays when the size is known in advance. Const-ify
9008 many char* variables and function arguments. No functional changes.
9009 * Makefile.in (build/varray.o): Delete rule.
9010 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9011 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9013 2006-01-22 Zack Weinberg <zackw@panix.com>
9015 * gensupport.c: Define get_insn_name and record_insn_name here.
9016 (read_md_rtx): Call record_insn_name as appropriate.
9017 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9018 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9019 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9021 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9022 (BUILD_VARRAY): Delete.
9023 (genprognormal): Rename genprogmd. Fold in all programs from
9024 genprognoprint; also attrtab.
9025 (build/genattrtab): Just mention genautomata.o and varray.o.
9026 Reorganize a bit, add comments to make the categories clearer.
9028 2006-01-22 Zack Weinberg <zackw@panix.com>
9030 * genconditions.c (condition_table, add_condition): Delete.
9031 (write_conditions): Don't emit n_insn_conditions nor
9032 insn_elision_unavailable. Issue the gcc version #ifdef here,
9033 inside the table, with no #else clause ...
9034 (write_header): ...not here.
9035 (write_writer): New function.
9036 (main): Don't initialize condition_table. Use add_c_test.
9038 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9039 files on the command line.
9040 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9041 Return -1 if there is no entry in the table, don't abort.
9042 (add_c_test, traverse_c_tests): New functions.
9043 * gensupport.h (insn_elision_unavailable, insn_conditions)
9044 (n_insn_conditions): Delete declarations.
9045 (add_c_test, traverse_c_tests): Declare.
9046 * read-rtl.c: Include gensupport.h.
9047 (read_conditions): New function.
9048 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9049 (read_rtx_1): If we get EOF when we were looking for an initial
9050 open paren, return 0. Call read_conditions when appropriate.
9051 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9052 dummy-conditions.o. Eliminate references to insn-conditions.o,
9053 or change them to build/gencondmd.o, as appropriate. Remove
9054 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9055 from $(simple_generated_c). For all files remaining in those
9056 two lists, add insn-conditions.md to the generator command line.
9057 Give insn-constants.h/s-constants their own rules. Add rules
9058 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9059 (build/read-rtl.o): Depend on gensupport.h.
9060 (genprognormal): Include preds.
9061 (genprogearly): Rename genprognoprint; only difference is now that
9062 they don't link with $(BUILD_PRINT).
9063 * dummy-conditions.c: Delete.
9065 2006-01-22 Zack Weinberg <zackw@panix.com>
9067 * genextract.c: Don't include insn-config.h. Do include vec.h.
9068 Declare vectors of int, char, and locstr.
9069 (locstr): New typedef.
9070 (struct extraction): Make all array fields into bare pointers.
9071 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9072 (insn_code_number): Delete.
9073 (accum_extract): New struct.
9074 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9075 (gen_insn): Take insn_code_number as an argument. Use an
9076 accum_extract structure instead of loading data directly into
9077 a struct extraction, and having to know how big it might get.
9078 (walk_rtx): Operate entirely on an accum_extract structure.
9079 (print_path): Avoid unnecessary use of printf.
9080 (print_header): New function, split out of main. Distinguish
9081 more carefully between an unrecognizable insn and an insn that
9082 has the code number of a define_expand.
9083 (main): Pass insn_code_number to gen_insn. Call print_header
9084 only after parsing. Avoid unnecessary use of printf.
9085 * Makefile.in (build/vec.o): New rule.
9086 (build/genextract): Depend on build/vec.o.
9087 (build/genextract.o): Don't depend on insn-config.h.
9089 2006-01-22 Zack Weinberg <zackw@panix.com>
9091 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9092 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9093 practical. Eliminate per-generator-program link rules.
9095 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9098 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9099 with a call expr to ...
9100 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9102 2006-01-23 Richard Guenther <rguenther@suse.de>
9104 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9105 before make_edge with conditional EDGE_TRUE_VALUE.
9107 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9108 Jan Hubicka <jh@suse.cz>
9109 Richard Guenther <rguenther@suse.de>
9111 PR rtl-optimization/25654
9112 * cfgexpand.c (aggregate_contains_union_type): New function.
9113 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9114 for structure variables that contain a union type.
9116 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9118 * gengtype.c (new_structure): Return the structure.
9119 (create_option): Add an extra "next" argument.
9120 (create_field): New function.
9121 (adjust_field_rtx_def): Use create_option and create_field.
9122 Remove a now-unnecessary call to find_structure.
9123 (adjust_field_tree_def): Likewise.
9124 (note_yacc_type): Remove an unnecessary call to find_structure.
9125 * gengtype.h (new_structure): Return the structure.
9126 (create_option): Add an extra argument.
9127 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9128 (option): Adjust calls to create_option.
9130 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9132 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9134 2006-01-22 Paul Brook <paul@codesourcery.com>
9135 Peter Barada <peter@the-baradas.com>
9137 * config/m68k/m68k.md: Add Coldfire FPU support.
9138 Define FP mode macro and associated attributes.
9139 Use it for float mode patterns.
9140 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9141 (LIBCALL_VALUE): Use m68k_libcall_value.
9142 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9143 (m68k_function_value): Ditto.
9144 (emit_move_sequence): Ditto.
9145 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9146 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9147 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9148 (MULTILIB_EXCEPTIONS): Ditto.
9149 * config/m68k/m68k.opt: Add mcfv4e.
9150 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9151 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9152 (m68k_output_function_prologue): Save ColdFire FPU registers.
9153 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9154 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9155 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9156 ColdFire FPU registers.
9157 (m68k_libcall_value, m68k_function_value): New functions.
9158 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9159 (LIBCALL_VALUE): Use m68k_libcall_value.
9160 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9161 (MASK_COLDFIRE): Add MASK_CFV4E.
9162 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9163 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9164 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9165 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9166 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9167 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9168 * doc/invoke.tex: Document -mcfv4e on m68k.
9170 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9172 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9175 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9178 * c-opts.c (c_common_handle_option): Don't include
9179 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9180 * doc/invoke.texi (C++ Dialect Options): Document that
9181 -Wnon-virtual-dtor is no longer included in -Wall.
9183 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9185 * gcov.c (print_version), gcov-dump.c (print_version),
9186 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9189 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9191 * df-scan.c (problem_SCAN): Added NULL reset function.
9192 (df_scan_reset_blocks): Added code to call reset block function
9193 (df_bb_refs_delete) Fixed comment.
9194 (df_insn_refs_delete): Made tolerant of deleting non existent info
9195 for dataflow problems that need to be reset.
9196 * df-core.c (df_set_blocks): Ditto.
9197 * df.h (struct df_problem): Added reset_fun.
9198 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9199 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9200 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9201 functions to clear out all references to def-use or use-def chains.
9203 2006-01-21 Ben Elliston <bje@au.ibm.com>
9205 * varasm.c (assemble_real): Initialise data array.
9207 2006-01-20 Paul Brook <paul@codesourcery.com>
9209 Merge from csl-arm-branch.
9210 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9211 * config/arm/arm.md (movdi): Force operands[1] to a register
9212 if we have a non-register source.
9213 (*arm_movdi, *movdf_soft_insn): Require that one of the
9214 operands be a register.
9215 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9216 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9218 2006-01-20 DJ Delorie <dj@redhat.com>
9220 * varasm.c (initialize_constant_valid_p): Allow pointers
9221 initialized from integer constants of lesser precision.
9222 (output_constant): Allow non-int-sized pointer modes to be
9223 initialized from integer constants.
9225 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9228 * cppdefault.h (struct default_include): Add multilib flag.
9229 * cppdefault.c (cpp_include_defaults): Set it.
9230 * c.opt (-imultilib): New option.
9231 * c-opts.c (imultilib): New.
9232 (c_common_handle_option): Handle -imultilib.
9233 (c_common_post_options): Likewise.
9234 * c-incpath.c (add_standard_paths, register_include_chains):
9236 * c-incpath.h (register_include_chains): Add extra parameter.
9237 * gcc.c (do_spec_1): Generate -imultilib option.
9238 (The Specs Language): Update %I description.
9239 (process_command): Update copyright notice.
9240 * doc/cppopts.texi (-imultilib): Document.
9241 * doc/invoke.texi (-imultilib): Include in option summary.
9242 (%I): Update specs documentation.
9244 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9246 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9248 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9250 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9253 2006-01-20 Richard Guenther <rguenther@suse.de>
9254 Steven Bosscher <stevenb.gcc@gmail.com>
9256 PR rtl-optimization/24626
9257 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9258 EDGE_TRUE_VALUE if in RTL mode.
9261 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9262 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9264 2006-01-20 Dirk Mueller <dmueller@suse.com>
9267 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9268 instead of a special NOP marker.
9269 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9270 NOP marker handling.
9271 * c-common.h (empty_body_warning): Add forward declaration.
9272 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9273 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9275 2006-01-20 Paul Brook <paul@codesourcery.com>
9277 * Makefile.in (lang_checks): Keep going if mkdir fails.
9279 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9281 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9282 be able to clean out basic block when not necessary.
9283 (df_scan_free): Fixed to properly delete information if df is
9284 unused before calling df_finish.
9285 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9286 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9288 (df_bb_refs_delete): New function.
9289 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9290 * df-core.c (df_set_blocks): Added code to properly clean out
9291 unused blocks if they are not part of the blocks to consider.
9292 Added additional null check.
9293 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9294 be able to clean out basic block when not necessary
9295 * df.h (df_free_bb_function): Ditto.
9296 (df_bb_refs_delete): New function.
9297 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9298 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9299 basic block parameter to be able to clean out basic block when not
9301 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9302 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9303 Fixed to properly delete information if df is unused before
9306 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9308 PR rtl-optimization/25799
9309 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9310 Corrected confluence operator to remove bits from op2 before oring
9311 with op1 rather than removing bits from op1.
9312 (df_ru_transfer_function): Corrected test on wrong bitmap which
9313 caused infinite loop. Both of these problems were introduced in
9314 the dataflow rewrite.
9316 2006-01-19 DJ Delorie <dj@redhat.com>
9318 * reload1.c (find_reload_regs): Note the details of reload
9319 failures in the dump file.
9320 (spill_failure): Likewise.
9322 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9324 * loop-iv.c: Include df.h and hashtab.h.
9325 (enum iv_grd_result): New enum.
9326 (DF_REF_IV, DF_REF_IV_SET): New macros.
9327 (struct biv_entry): New.
9328 (df, bivs): New global variables.
9329 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9330 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9332 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9333 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9334 analyzed_for_bivness_p, record_biv): New functions.
9335 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9336 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9337 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9339 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9341 (iv_number_of_iterations): Use new interface to iv analysis.
9342 * loop-unroll.c: Do not include varray.h.
9343 (analyze_iv_to_split_insn): Use new interface to iv
9345 * loop-unswitch.c (may_unswitch_on): Ditto.
9346 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9348 (df_bb_modify): Realloc tables to the new index.
9349 (df_find_use): New function.
9350 * df.h (df_find_use): Declare.
9351 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9353 * cfgloop.h (struct rtx_iv): Remove analysed field.
9354 (iv_get_reaching_def): Removed.
9355 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9356 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9357 (loop-iv.o): Add df.h and hashtab.h dependency.
9358 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9360 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9363 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9365 (__floatundisf, __floatundidf): Likewise.
9366 * libgcc2.h (IS_IBM_EXTENDED): Define.
9368 2006-01-19 DJ Delorie <dj@redhat.com>
9370 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9372 2006-01-19 Paul Brook <paul@codesourcery.com>
9374 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9375 as nothrow when unwinding tables are disabled.
9377 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9380 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9381 of bit-field" when in system header.
9383 2006-01-19 DJ Delorie <dj@redhat.com>
9385 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9386 the 16 bit shift limit of the m16c.
9388 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9391 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9392 * config/i386/i386.c (output_set_got): Output the label if we have one
9393 for the TARGET_DEEP_BRANCH_PREDICTION case.
9395 2006-01-19 Jan Hubicka <jh@suse.cz>
9396 H.J. Lu <hongjiu.lu@intel.com>
9397 Evandro Menezes <evandro.menezes@amd.com>
9399 * invoke.texi (generic): Document
9401 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9402 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9403 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9404 (x86_use_incdec, x86_pad_returns): New variables
9405 (TARGET_CPU_DEFAULT_generic): New constant
9406 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9407 (enum processor_type): Add generic32 and generic64.
9408 * i386.md (cpu attribute): Add generic32/generic64
9409 (movhi splitter): Behave sanely when both partial_reg_dependency and
9410 partial_reg_stall are set.
9411 (K8 splitters): Enable for generic as well.
9412 * predicates.md (incdec_operand): Use TARGET_INCDEC
9413 (aligned_operand): Avoid memory mismatch stalls.
9414 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9415 * ppro.md: Enable for generic32
9416 * i386.c (generic64_cost, generic32_cost): New.
9417 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9418 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9419 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9420 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9421 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9422 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9423 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9424 x86_accumulate_outgoing_args, x86_prologue_using_move,
9425 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9426 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9428 (x86_use_incdec, x86_pad_returns): New.
9429 (override_options): Add generic32 and generic64, translate "generic"
9430 to generic32/generic64 and "i686" to "generic32", refuse
9431 "generic32"/"generic64" as arch target.
9432 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9433 (ix86_reorg): Honor PAD_RETURNS.
9435 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9437 * tree-pretty-print.c (dump_generic_node): Handle
9438 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9439 * cgraph.c (cgraph_expand_queue): Rename from
9440 cgraph_analyze_queue. Update all users.
9441 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9442 cgraph_expand_queue.
9443 (cgraph_expand_all_functions): Likewise.
9444 (cgraph_finalize_pending_functions): Remove. Update callers.
9446 * tree.h (OMP_DIRECTIVE_P): Define.
9447 (OMP_PARALLEL_FN): Define.
9448 (OMP_PARALLEL_DATA_ARG): Define.
9449 (OMP_SECTIONS_SECTIONS): Define.
9450 * tree-pass.h (pass_expand_omp): Declare.
9451 * omp-low.c (struct omp_region): Declare.
9452 (struct omp_context): Remove fields 'parallel_type',
9453 'parallel_start_ix' and 'parallel_start_additional_args'.
9455 (struct omp_for_data): Rename from struct expand_omp_for_data.
9456 (omp_regions): New static variable.
9457 (root_omp_region): New static variable.
9458 (find_omp_clause): Make static.
9459 (is_in_combined_parallel_ctx): Remove.
9460 (is_combined_parallel): New.
9461 (extract_omp_for_data): Move earlier in the file.
9462 (workshare_safe_to_combine_p): New.
9463 (get_ws_args_for): New.
9464 (determine_parallel_type): Move earlier in the file.
9465 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9467 (omp_copy_decl): Likewise.
9468 (create_omp_child_function): Likewise.
9469 (lookup_omp_region): New.
9470 (dump_omp_region): New.
9471 (debug_omp_region): New.
9472 (debug_all_omp_regions): New.
9473 (new_omp_region): New.
9474 (scan_omp_parallel): If parallel_nesting_level > 1, the
9475 directive is nested within another parallel directive.
9476 Set OMP_PARALLEL_FN.
9477 (scan_omp_for): Do not try to handle combined parallel+for
9479 Remove FIXME comment.
9480 (scan_omp_nested): Remove.
9481 (scan_omp_1): Do not call scan_omp_nested when
9482 parallel_nesting_level is > 1.
9483 Do not change the DECL_CONTEXT of local variables found.
9484 (lookup_decl_in_outer_ctx): New.
9485 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9486 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9487 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9488 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9489 If CTX is nested, lookup VAR in the outer context when
9490 building copy assignment.
9491 (lower_send_clauses): Rename from expand_send_clauses.
9492 If CTX is nested, lookup VAR in the outer context when
9493 building copy assignments.
9494 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9495 If CTX is nested, lookup VAR in the outer context when
9496 building copy assignments.
9497 (expand_parallel_call): Rename from build_parallel_call.
9498 Handle combined parallel+workshare cases.
9499 Re-implement to emit code into the CFG.
9501 (expand_omp_parallel): Re-implement to emit code into the CFG.
9502 Call move_sese_region_to_fn to outline the sub-graph
9503 containing the parallel region.
9504 (expand_omp_for_1): Remove.
9505 (expand_omp_for_generic): Re-implement to emit code into the
9507 (expand_omp_for_static_nochunk): Likewise.
9508 (expand_omp_for_static_chunk): Likewise.
9509 (expand_omp_for): Likewise.
9510 (expand_omp_sections): Likewise.
9511 (remove_exit_barriers): New.
9512 (expand_omp_synch): New.
9514 (build_omp_regions_1): New.
9515 (build_omp_regions): New.
9516 (execute_expand_omp): New.
9517 (gate_expand_omp): New.
9518 (pass_expand_omp): Define.
9519 (lower_omp_sections): Rename from expand_omp_sections.
9520 Set OMP_SECTIONS_SECTIONS.
9521 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9522 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9523 (lower_omp_single): Rename from expand_omp_simple.
9524 (lower_omp_master): Rename from expand_omp_master.
9525 (lower_omp_ordered): Rename from expand_omp_ordered.
9526 (lower_omp_critical): Rename from expand_omp_critical.
9527 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9528 (lower_omp_for): Re-implement.
9529 (lower_omp_parallel): Re-implement.
9530 (lower_regimplify): Rename from expand_regimplify.
9531 (lower_omp_1): Rename from expand_omp_1.
9532 If there are syntax errors in the program, replace every
9533 OpenMP directive with NOP.
9534 Call lower_omp_* instead of expand_omp_*.
9535 (lower_omp): Rename from expand_omp.
9537 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9538 * tree-gimple.h (enum omp_parallel_type): Remove.
9539 (gimple_boolify): Declare extern.
9540 (find_omp_clause, determine_parallel_type): Remove.
9542 * gimple-low.c (lower_omp_directive): New.
9543 (lower_stmt): Call it.
9544 (record_vars_into): Move from ...
9545 (record_vars): ... here.
9546 Call record_vars_into with current_function_decl.
9548 * gimplify.c (struct gimplify_ctx): Remove fields
9549 combined_pre_p and combined_ctxp. Update users.
9550 (get_formal_tmp_var): Add documentation.
9551 (gimple_boolify): Make extern.
9552 (gimplify_expr_in_ctx): Remove. Update callers.
9553 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9554 will always be a BIND_EXPR.
9555 (gimplify_expr): Handle OMP_RETURN_EXPR.
9556 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9557 (OMP_PARALLEL): Add 3 operands.
9558 (OMP_SECTIONS): Add 1 operand.
9559 (OMP_RETURN_EXPR): Define.
9561 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9562 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9563 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9564 creating a circular free list.
9565 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9567 * tree-flow.h (move_sese_region_to_fn): Declare.
9568 (record_vars_into): Declare.
9569 * tree-cfg.c (make_omp_sections_edges): New.
9570 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9571 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9572 OMP_SECTIONS and OMP_SECTION.
9573 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9574 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9575 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9576 (gather_blocks_in_sese_region): New.
9577 (struct move_stmt_d): Declare.
9579 (move_block_to_fn): New.
9580 (move_sese_region_to_fn): New.
9582 * passes.c (init_optimization_passes): Schedule
9583 pass_expand_omp after pass_init_datastructures.
9585 * tree-ssa-operands.c (get_expr_operands): Handle
9586 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9587 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9589 2006-01-19 Jeff Law <law@redhat.com>
9591 * tree-vrp.c (extract_range_from_assert): Refine the result range
9592 if the variable referenced by the ASSERT_EXPR has a range and
9593 either the tentative result range or the previous range is a
9596 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9598 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9600 2006-01-19 Jan Hubicka <jh@suse.cz>
9602 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9604 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9606 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9607 (expand_compound_operation, expand_field_assignment): Fail if the
9608 bit lengths of an extract operation are out of range.
9609 (make_extraction): Compute wanted_inner_mode based on the position
9610 and length of the extraction. Make it extraction_mode for non-constant
9611 positions, and do not modify offset in that case. When generating a
9612 new MEM, use a mode that can hold the extraction while keeping correct
9613 alignment. Remove code that supported MEMs wrapped by USEs.
9614 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9616 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9618 * config/s390/s390.md ("Y", "y"): New mode attribute.
9619 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9620 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9621 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9622 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9623 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9624 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9625 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9626 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9627 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9628 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9629 "addsi3", "subsi3"): Insn patterns removed.
9630 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9631 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9632 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9633 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9634 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9635 "*sub<mode>3_cconly2"): New insn patterns.
9636 ("addsi3", "subsi3"): New expanders.
9638 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9640 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9641 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9642 existing STMT_VINFO_VECTYPE if available.
9643 (vect_mark_relevant): Add special handling for stmts that are
9644 marked as STMT_VINFO_IN_PATTERN_P.
9645 (vect_analyze_loop): Call vect_pattern_recog.
9646 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9647 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9649 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9650 (vect_recog_func_ptr): New function-pointer type.
9651 * tree-vect-patterns.c: New file.
9652 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9653 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9654 (vect_pattern_recog_1): New functions.
9655 (vect_pattern_recog_funcs): New array of function pointers.
9657 * tree-vectorizer.h (ternary_op): New enum value.
9658 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9659 declaration. Revised documentation. Removed redundant dump prints.
9660 Removed redundant argument. Added support for reduction patterns.
9661 (vectorizable_reduction): Added support for reduction patterns.
9662 (vect_transform_stmt): Added support for patterns.
9664 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9665 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9666 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9667 (expand_widen_pattern_expr): New function.
9668 (init_optabs): Initialize new optabs udot_prod_optab,
9670 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9671 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9672 (expand_widen_pattern_expr): New function declaration.
9673 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9675 * tree-inline.c (estimate_num_insns_1): Added cases for new
9676 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9677 * tree-pretty-print.c (dump_generic_node): Likewise.
9678 (op_prio): Likewise.
9679 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9680 * tree-ssa-operands.c (get_expr_operands): Added case for
9682 * tree-vect-patterns.c (widened_name_p): New function.
9683 (vect_recog_dot_prod_pattern): Added function implementation.
9684 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9685 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9686 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9687 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9689 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9690 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9691 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9692 (init_optabs): Initialize new optabs widen_ssum_optab,
9694 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9695 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9696 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9697 use instead of type of def.
9698 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9699 function implementation.
9700 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9701 widen_ssumv8hi): New.
9703 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9706 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9709 * c-decl.c (add_flexible_array_elts_to_size): New function.
9710 (finish_decl): Use it.
9712 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9714 * diagnostic.h: Include options.h.
9715 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9716 dependancies for diagnostic.h.
9717 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9719 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9721 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9722 (ssa_ro_call_cache_valid): Ditto.
9723 * tree-ssa-alias.c (sort_tags_by_id): New function.
9724 (init_transitive_clobber_worklist): Ditto.
9725 (add_to_worklist): Ditto.
9726 (mark_aliases_call_clobbered): Ditto.
9727 (compute_tag_properties): Ditto.
9728 (set_initial_properties): Ditto.
9729 (compute_call_clobbered): Ditto.
9730 (compute_may_aliases): Call compute_call_clobbered and grouping.
9731 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9732 (compute_flow_insensitive_aliasing): Grouping now happens in our
9734 (setup_pointers_and_addressables): Remove clobbering related code.
9735 (add_may_alias): Ditto.
9736 (replace_may_alias): Ditto.
9737 (get_nmt_for): Ditto.
9738 (create_global_var):
9739 (is_escape_site): Return an escape_type enumeration.
9740 * tree-flow-inline.h (is_call_clobbered): Global var does not
9741 imply call clobbered.
9742 (mark_call_clobbered): Take a reason for marking this. Remove
9743 marking of globalness, and cache invalidation.
9744 (clear_call_clobbered): Remove cache invalidation code.
9745 * tree-dfa.c (dump_variable): If details is on, dump the reason
9747 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9749 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9750 (struct var_ann_d): Ditto.
9751 (enum escape_type): New.
9752 (mark_call_clobbered): Adjust prototype.
9753 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9754 are never call clobbered.
9755 Record reasons for escaping.
9756 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9757 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9758 (ssa_ro_call_cache_valid): Ditto.
9759 (clobbered_v_may_defs): Ditto.
9760 (clobbered_vuses): Ditto.
9761 (ro_call_vuses): Ditto.
9762 (clobber_stats): New.
9763 (init_ssa_operands): Zero out clobber stats.
9764 (fini_ssa_operands): Print out clobber stats.
9765 (get_call_expr_operands): Pass callee fndecl to
9767 (add_call_clobber_ops): Remove use of cache.
9768 Add use of PURE_CONST information.
9769 (add_call_read_ops): Remove use of cache.
9770 Add use of static not_read information.
9772 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9774 Introduce TLS descriptors for i386 and x86_64.
9775 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9776 (TARGET_ANY_GNU_TLS): New macro.
9777 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9778 (struct machine_function): Add tls_descriptor_call_expanded_p.
9779 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9780 (ix86_current_function_calls_tls_descriptor): Likewise.
9781 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9782 (override_options): Introduce gnu2 tls dialect.
9783 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9785 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9787 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9788 (ix86_init_machine_status): Initialize new field.
9789 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9790 (ix86_tls_module_base): New.
9791 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9792 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9793 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9794 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9795 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9796 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9797 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9798 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9799 * config/i386/predicates.md (tls_modbase_operand): New.
9800 (tp_or_register_operand): New.
9802 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9804 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9805 (look_for_address_of): Ditto.
9806 (ipa_init): Walk the function decls.
9807 (static_execute): Don't set readonly on FUNCTION_DECL's.
9809 2006-01-18 Roger Sayle <roger@eyesopen.com>
9811 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9812 for shifts where the source and destination registers are different.
9814 2006-01-18 Paul Brook <paul@codesourcery.com>
9816 Merge from csl-arm-branch.
9817 2005-03-14 Julian Brown <julian@codesourcery.com>
9818 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9819 (aeabi_llsl): Likewise.
9820 (ashrdi3): Likewise.
9821 (aeabi_lasr): Likewise.
9822 (lshrdi3): Likewise.
9823 (aeabi_llsr): Likewise.
9824 2005-03-10 Julian Brown <julian@codesourcery.com>
9825 * config.gcc: Disable shared libgcc for SymbianOS.
9826 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9828 2006-01-18 DJ Delorie <dj@redhat.com>
9830 * c-pragma.c (handle_pragma_diagnostic): New.
9831 (init_pragma): Register it.
9832 * doc/extend.texi: Document it.
9834 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9835 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9836 (diagnostic_context): Add classify_diagnostic[].
9837 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9838 as errors if they're overridden to DK_WARNING.
9839 (diagnostic_initialize): Initialize classify_diagnostic[].
9840 (diagnostic_set_kind_override): New.
9841 (diagnostic_report_diagnostic): Check for kind changes.
9842 * opts.c (common_handle_option): Take lang_mask. Update callers.
9844 * common.opt (Werror=): New.
9845 * doc/invoke.texi: Document -Werror=*
9847 2006-01-18 Jeff Law <law@redhat.com>
9849 * tree-vrp.c (test_for_singularity): Correct test for new
9850 min limit. Use operand_equal_p rather than pointer equality
9851 for testing if new min/max values are equal.
9853 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9854 using range information until after propagation and folding.
9856 2006-01-18 Richard Henderson <rth@redhat.com>
9857 Aldy Hernandez <aldyh@redhat.com>
9858 Jakub Jelinek <jakub@redhat.com>
9859 Diego Novillo <dnovillo@redhat.com>
9861 * omp-low.c: New file.
9862 * c-omp.c: New file.
9864 2006-01-18 Richard Henderson <rth@redhat.com>
9865 Jakub Jelinek <jakub@redhat.com>
9866 Diego Novillo <dnovillo@redhat.com>
9868 * doc/invoke.texi: Document -fopenmp.
9869 * tree-dump.h (debug_function): Declare.
9870 * hooks.c (hook_bool_tree_bool_false): New function.
9871 (hook_tree_tree_null): Remove.
9872 (hook_tree_tree_tree_null): New.
9873 * hooks.h: Update to match.
9874 * tree-pretty-print.c (debug_tree_chain): New.
9875 (print_generic_expr): Handle TDF_CHAIN.
9876 (dump_generic_node): Handle BLOCK.
9877 Do not abort with incomplete SWITCH_EXPRs.
9878 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9879 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9880 print space after directive name.
9881 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9882 Handle OMP_MASTER and OMP_ORDERED.
9883 Handle printing of OMP_BODY just in one place, goto
9884 dump_omp_body in the rest of OMP_* nodes that have
9886 Don't handle clause nodes here. Update omp statements to
9887 use dump_omp_clauses.
9888 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9889 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9890 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9891 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9892 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9893 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9894 Adjust output for GOMP_PARALLEL.
9895 (dump_omp_clauses): New.
9896 (print_declaration): Dump DECL_VALUE_EXPR.
9897 (op_symbol_1): Split out of op_symbol.
9898 (dumping_stmts): Remove. Update all users.
9899 * cgraph.c (cgraph_analyze_queue): New.
9900 (cgraph_add_new_function): New.
9901 * cgraph.h (cgraph_analyze_queue): Declare.
9902 (cgraph_add_new_function): Declare.
9903 (cgraph_lower_function): Remove.
9904 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9905 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9906 and TYPE_P nodes in its default clause.
9907 (empty_body_p): New.
9908 (tree_range_check_failed): New.
9910 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9911 OMP_CLAUSE_REDUCTION_MERGE,
9912 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9913 OMP_CLAUSE_PRIVATE_DEBUG,
9914 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9915 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9916 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9917 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9918 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9919 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9920 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9921 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9922 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9923 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9924 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9925 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9926 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9927 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9928 (TREE_RANGE_CHECK): New.
9929 (empty_body_p): Declare.
9930 (enum omp_clause_default_kind): New.
9931 (build_string_literal): Declare.
9932 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9933 (build5_stat, build5): Declare.
9934 * tree-pass.h (TDF_CHAIN): Define.
9935 * tree-pass.h (PROP_gimple_lomp): Define.
9936 (pass_lower_omp): Declare.
9937 * diagnostic.h (debug_tree_chain): Declare.
9938 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9940 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9941 * builtins.c (build_string_literal): Make extern.
9942 * gcc.c (include_spec_function): New.
9943 (static_spec_functions): Add it.
9944 (main): Move load of libgomp.spec ...
9945 (LINK_COMMAND_SPEC): ... here.
9946 (link_gomp_spec): New.
9947 (static_specs): Include it.
9948 (LINK_COMMAND_SPEC): Add link_gomp.
9949 (GOMP_SELF_SPECS): New.
9950 (driver_self_specs): Include it.
9951 (switch_matches): Don't mark inline.
9952 (main): Load libgomp.spec.
9953 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9954 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9955 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9956 * tree-gimple.h (enum omp_parallel): Declare.
9957 (determine_parallel_type): Declare.
9958 (omp_firstprivatize_variable): Declare.
9959 (omp_reduction_init): Declare.
9960 (diagnose_omp_structured_block_errors): Declare.
9961 (struct walk_stmt_info): Add want_return_expr.
9962 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9963 (find_omp_clause): Declare.
9964 (insert_field_into_struct): Declare.
9965 (struct walk_stmt_info): Move from tree-nested.c
9966 (walk_stmts): Declare.
9967 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9969 * cgraphunit.c (cgraph_lower_function): Make static.
9970 (cgraph_finalize_pending_functions): New.
9971 (cgraph_finalize_function): Call it.
9972 (cgraph_finalize_compilation_unit): Likewise.
9973 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9974 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9975 (BT_FN_UINT_UINT): New.
9976 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9977 DEF_FUNCTION_TYPE_VAR_4): Document.
9978 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9979 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9980 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9981 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9982 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9983 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9984 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9985 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9986 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9987 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9988 into separate files.
9989 (DEF_GOMP_BUILTIN): New.
9990 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9991 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9992 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9993 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9994 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9995 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9996 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9997 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9998 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9999 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10000 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10001 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10002 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10003 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10004 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10005 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10006 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10007 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10008 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10009 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10010 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10011 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10012 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10013 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10014 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10015 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10016 * sync-builtins.def: New file, moved from builtins.def.
10017 * omp-builtins.def: New file, moved from builtins.def.
10018 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10019 * gimple-low.c (lower_function_body): Clear data.
10020 (lower_stmt): Do not handle COMPOUND_EXPR.
10021 Remove call to print_node_brief.
10022 * c-tree.h (c_finish_omp_clauses): New prototype.
10023 (C_DECL_THREADPRIVATE_P): Define.
10024 (lookup_name_no_remap, c_omp_remap_private): Remove
10025 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10026 (check_for_loop_decls): Update decl.
10027 (lookup_name_no_remap, c_omp_remap_private): Declare.
10028 (build_indirect_ref, build_modify_expr, pushdecl,
10029 pushdecl_top_level): Move to c-common.h.
10030 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10031 before the switch, but just in the 2 places that need it.
10032 * c-decl.c (diagnose_mismatched_decls): Do not check for
10033 mismatched thread-local attributes when OLDDECL is marked
10034 threadprivate and NEWDECL has no thread-local attributes.
10035 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10036 (c_gimple_diagnostics_recursively): Rename from
10037 c_warn_unused_result_recursively. Invoke
10038 diagnose_omp_structured_block_errors.
10039 (check_for_loop_decls): Return a singular decl found.
10040 * langhooks.c (lhd_omp_predetermined_sharing): Return
10041 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10042 (lhd_omp_firstprivatize_type_sizes): New.
10043 (lhd_omp_assignment): New.
10044 (lhd_omp_predetermined_sharing): New.
10045 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10046 (struct lang_hooks_for_types): Add
10047 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10048 omp_predetermined_sharing, omp_disregard_value_expr,
10049 omp_private_debug_clause, omp_clause_default_ctor,
10050 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10051 (c_finish_omp_clauses): New.
10052 (c_finish_bc_stmt): Diagnose break within omp for.
10053 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10054 (build_unary_op): Return error_mark after reporting
10056 (build_modify_expr): Likewise.
10057 * gimplify.c: Include optabs.h and pointer-set.h.
10058 (enum gimplify_omp_var_data): Declare.
10059 (struct gimplify_omp_ctx): Declare.
10060 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10062 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10063 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10064 (splay_tree_compare_decl_uid): New.
10065 (new_omp_context): New.
10066 (delete_omp_context): New.
10067 (gimple_add_tmp_var): Call omp_add_variable.
10068 (gimplify_bind_expr): Likewise.
10069 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10070 true, disregard DECL_VALUE_EXPR on the decl if any.
10071 (gimplify_expr_in_ctx): New.
10072 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10073 omp_add_variable, omp_notice_variable, omp_is_private
10074 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10075 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10076 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10077 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10078 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10079 gimplify_omp_atomic): New.
10080 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10081 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10082 OMP_CRITICAL and OMP_ATOMIC.
10083 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10084 * c-pragma.h (enum pragma_kind): Add
10085 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10086 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10087 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10088 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10089 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10090 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10091 PRAGMA_OMP_THREADPRIVATE.
10092 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10093 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10094 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10095 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10096 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10097 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10098 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10099 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10100 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10101 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10102 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10103 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10104 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10106 (struct nesting_info): Add field_map,
10107 suppress_expansion, debug_var_chain.
10108 (create_nesting_tree): Initialize them.
10109 (lookup_field_for_decl): Use field_map.
10110 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10111 (convert_local_omp_clauses): New.
10112 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10113 (walk_body): Split out of walk_function.
10114 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10115 (convert_nonlocal_reference): Handle omp statements.
10116 (convert_local_reference): Likewise.
10117 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10118 (unnest_nesting_tree): New.
10119 (lower_nested_functions): Call it.
10120 (insert_field_into_struct): Make extern.
10121 (struct walk_stmt_info): Move to tree-gimple.h.
10122 (walk_stmts): Make extern.
10123 * omp-builtins.def: New file.
10124 * tree-iterator.c (expr_only): Clarify comment.
10125 * c-common.h (pushdecl_top_level, pushdecl,
10126 build_modify_expr, build_indirect_ref,
10127 c_finish_omp_master, c_finish_omp_critical,
10128 c_finish_omp_ordered, c_finish_omp_barrier,
10129 c_finish_omp_atomic, c_finish_omp_flush,
10130 c_finish_omp_for, c_split_parallel_clauses,
10131 omp_clause_default_kind, c_omp_sharing_predetermined,
10132 c_omp_remap_decl): Declare.
10133 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10134 (OBJS-common): Add omp-low.o.
10135 (c-omp.o, omp-low.o): Add.
10136 (gimplify.o): Add dependency on $(OPTABS_H).
10137 (GTFILES): Add omp-low.c.
10138 (gt-stringpool.h): Add.
10139 * tree-cfg.c (set_bb_for_stmt): Do not update the
10140 block-to-labels map if we are currently expanding to RTL.
10141 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10143 Handle IDENTIFIER_NODE.
10144 (tree_verify_flow_info): Do not ICE when emitting error
10145 messages about invalid labels.
10146 (dump_function_to_file): Reset CFUN before emitting the body
10148 (debug_function): New.
10149 * passes.c (init_optimization_passes): Schedule
10151 * langhooks-def.h (lhd_omp_predetermined_sharing,
10152 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10154 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10155 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10156 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10157 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10158 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10159 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10160 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10161 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10162 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10163 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10164 (LANG_HOOK_DECLS): Use them.
10166 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10167 Richard Henderson <rth@redhat.com>
10168 Jakub Jelinek <jakub@redhat.com>
10169 Diego Novillo <dnovillo@redhat.com>
10171 * c-parser.c (pragma_omp_clause): Define.
10172 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10173 (c_parser_compound_statement): Likewise.
10174 (c_parser_statement): Likewise.
10175 (c_parser_pragma): Handle omp pragmas.
10176 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10177 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10178 (c_parser_omp_clause_name, check_no_duplicate_clause,
10179 c_parser_omp_variable_list,
10180 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10181 c_parser_omp_clause_copyprivate,
10182 c_parser_omp_clause_default,
10183 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10184 c_parser_omp_clause_lastprivate,
10185 c_parser_omp_clause_nowait,
10186 c_parser_omp_clause_num_threads,
10187 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10188 c_parser_omp_clause_reduction,
10189 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10190 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10191 c_parser_omp_atomic, c_parser_omp_barrier,
10192 c_parser_omp_critical, c_parser_omp_flush,
10193 c_parser_omp_for_loop, c_parser_omp_for,
10194 c_parser_omp_master, c_parser_omp_ordered,
10195 c_parser_omp_sections_scope, c_parser_omp_sections,
10196 c_parser_omp_parallel, c_parser_omp_single,
10197 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10198 * c-pragma.c (init_pragma): Do omp pragma registration here.
10199 * c.opt (fopenmp): New flag.
10201 2006-01-18 Eric Christopher <echristo@apple.com>
10203 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10204 * config/darwin.h (GOMP_SELF_SPECS): Define.
10206 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10208 * rtl.h: Remove the prototype for reg_alloc.
10210 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10213 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10214 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10215 sjlj and dwarf2 exception handling.
10216 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10217 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10218 * pa/pa.c (function_value): Treat complex and vector types as
10220 (function_arg): Likewise. Only pass scalar floats in the floating
10221 point argument registers.
10222 * pa/t-slibgcc-dwarf-ver: New file.
10223 * pa/t-slibgcc-sjlj-ver: New file.
10224 * pa/t-slibgcc-elf-ver: Delete file.
10226 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10228 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10229 unlikely_test_section_p test.
10231 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10233 * mode-switching.c (optimize_mode_switching): Make it static.
10234 * basic-block.h: Remove the prototype for
10235 optimize_mode_switching.
10237 * modulo-sched.c (sms_schedule): Make it static.
10238 * rtl.h: Remove the prototype for sms_schedule.
10240 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10241 * rtl.h: Remove the prototype for gcse_after_reload_main.
10243 * reg-stack.c (reg_to_stack): Make it static.
10244 * rtl.h: Remove the prototype for reg_to_stack.
10246 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10248 * rtl.h: Remove the prototypes for regrename_optimize and
10249 copyprop_hardreg_forward.
10251 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10253 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10254 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10255 Test against the appropriate null constant for the mode.
10256 If 'fixup_overlap' is true, swap the operands if they overlap.
10257 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10258 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10259 alpha_split_tmode_pair and adjust for above change.
10260 * config/alpha/alpha.md (movtf_internal): Adjust call to
10261 alpha_split_tfmode_pair and rely on it to swap the operands.
10262 (movti_internal): New insn and post-reload splitter.
10263 (movti): New expander.
10265 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10267 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10270 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10272 * rtlanal.c (global_reg_mentioned_p_1,
10273 global_reg_mentioned_p): Remove.
10274 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10276 * flow.c (initialize_uninitialized_subregs): Make it static.
10277 * rtl.h: Remove the prototype for
10278 initialize_uninitialized_subregs.
10280 * function.c (instantiate_virtual_regs): Make it static.
10281 * function.h: Remove the prototype for
10282 instantiate_virtual_regs.
10284 * regmove.c (regmove_optimize, combine_stack_adjustments):
10286 * rtl.h: Remove the prototypes for regmove_optimize and
10287 combine_stack_adjustments.
10289 2006-01-17 Roger Sayle <roger@eyesopen.com>
10291 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10292 (size_cost): Encode costs in bytes so that a reg-reg addition is
10293 equivalent to COSTS_N_INSNS(1).
10294 (override_options): Use the size_cost.branch_cost as the default
10295 ix86_branch_cost when optimizing for size.
10297 2006-01-18 Ben Elliston <bje@au.ibm.com>
10299 * Makefile.in (D32PBIT_FUNCS): New.
10300 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10301 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10302 D64PBIT_FUNCS and D128PBIT_FUNCS.
10303 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10304 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10306 (decnumber_dep): Define.
10307 * doc/libgcc.texi (Decimal float library routines): New node.
10308 * config/dfp-bit.h, config/dfp-bit.c: New files.
10310 2006-01-18 Ben Elliston <bje@au.ibm.com>
10312 * expr.c (emit_move_change_mode): Always adjust addresses, not
10313 just during reload. Copy replacements only during reload.
10314 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10315 emit_move_via_integer.
10317 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10319 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10320 instead of $(srcdir) and ${srcdir}.
10322 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10325 PR middle-end/11135
10326 * arm.h (struct machine_function): Add pic_reg.
10327 * arm.c (arm_pic_register): Make unsigned.
10328 (arm_override_options): Only set arm_pic_register if
10329 TARGET_SINGLE_PIC_BASE.
10330 (use_return_insn): Only test for a pic register if it is fixed.
10331 (arm_compute_save_reg0_reg12_mask): Likewise.
10332 (thumb_compute_save_reg_mask): Likewise.
10333 (legitimate_pic_operand): Factor out some known invariants.
10334 (legitimize_pic_address): If we don't have a fixed pic register,
10335 then set up a pseudo in the function entry sequence. Handle the
10336 pic base being in a pseudo.
10337 (arm_load_pic_register): Handle the pic register being in a pseudo.
10338 (arm_expand_prologue): Only set up the pic register if it is fixed.
10339 (thumb_expand_prologue): Likewise.
10340 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10341 (pic_load_addr_based_insn): Likewise.
10342 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10345 2006-01-18 Ben Elliston <bje@au.ibm.com>
10347 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10348 decimal float modes for all floating point registers.
10350 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10351 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10353 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10356 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10357 even when the pointer is not NULL.
10359 2006-01-16 Ian Lance Taylor <ian@airs.com>
10361 * common.opt (ftoplevel-reorder): New option.
10362 * cgraph.c (cgraph_asm_nodes): New global variable.
10363 (cgraph_asm_last_node): New static variable.
10364 (cgraph_order): New global variable.
10365 (cgraph_create_node): Set new order field.
10366 (cgraph_varpool_node): Likewise.
10367 (decide_is_variable_needed): Return true if not
10368 flag_toplevel_reorder.
10369 (cgraph_add_asm_node): New function.
10370 * cgraph.h (struct cgraph_node): Add order field.
10371 (struct cgraph_varpool_node): Add order field.
10372 (struct cgraph_asm_node): Define.
10373 (cgraph_asm_nodes, cgraph_order): Declare.
10374 (cgraph_add_asm_node): Declare.
10375 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10377 (cgraph_varpool_assemble_pending_decls): Call it.
10378 (cgraph_output_pending_asms): New static function.
10379 (cgraph_finalize_compilation_unit): Call it.
10380 (struct cgraph_order_sort): Define.
10381 (cgraph_output_in_order): New static function.
10382 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10383 !flag_toplevel_reorder case.
10384 * c-parser.c: Include "cgraph.h".
10385 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10387 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10388 than -fno-unit-at-a-time.
10389 * doc/invoke.texi (Option Summary): Mention
10390 -fno-toplevel-reorder.
10391 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10392 -funit-at-a-time documentation.
10394 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10395 Kazu Hirata <kazu@codesourcery.com>
10397 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10399 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10401 * Makefile.in (FUNCTION_H): New. Use it instead of
10402 function.h throughout the file.
10403 * function.h: Include tree.h.
10405 2006-01-17 Ben Elliston <bje@au.ibm.com>
10407 * recog.c: Separate some functions with whitespace.
10409 2006-01-16 Richard Henderson <rth@redhat.com>
10411 Merge from gomp branch:
10412 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10413 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10414 and rename from struct inline_data. Rename callee* to dst*;
10415 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10416 transform_new_cfg, transform_return_to_modify, and
10417 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10419 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10420 (copy_decl_for_dup): Remove.
10421 * tree-inline.c (struct inline_data): Move to header.
10422 (insert_decl_map): Export.
10423 (remap_decl): Update for member name changes. Use copy_decl hook.
10424 Allow for replacement to be a non-decl. Remove dead code.
10425 (remap_type_1): Check for existing mapping.
10426 (remap_type): Export.
10427 (remap_decls): Update for member name changes.
10428 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10429 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10430 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10431 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10432 (tree_function_versioning, build_duplicate_type): Likewise.
10433 (copy_body_r): Likewise. Export.
10434 (copy_decl_for_dup): Split into ...
10435 (copy_decl_for_dup_finish, copy_decl_to_var,
10436 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10437 (replace_ref_tree, inlining_p): Remove.
10439 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10441 * ifcvt.c (if_convert): Make it static.
10442 * rtl.h: Remove the prototype for if_convert.
10444 * local-alloc.c (local_alloc): Make it static.
10445 * rtl.h: Remove the prototype for local_alloc.
10447 * loop.c (loop_optimize): Make it static.
10448 * cfgloop.h: Remove the prototype for loop_optimize.
10451 2006-01-16 DJ Delorie <dj@redhat.com>
10453 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10456 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10458 * pa.md: Disparage copies between general and floating-point registers
10459 in 32-bit move patterns.
10461 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10464 * Makefile.in (check-%): Depend on site.exp instead of
10465 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10468 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10470 * global.c (global_alloc): Make it static.
10471 * rtl.h: Remove the prototype for global_alloc.
10473 2006-01-16 Richard Guenther <rguenther@suse.de>
10475 * tree-ssa-alias.c (struct used_part): Add write_only field.
10476 (get_or_create_used_part_for): Initialize it to true.
10477 (create_overlap_variables_for): Don't create structure variables
10478 for structures that only are written to.
10479 (find_used_portions): Handle MODIFY_EXPR to track whether a
10480 structure is only written to.
10482 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10484 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10486 * basic-block.h: Remove the prototype for
10487 partition_hot_cold_basic_blocks.
10489 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10491 * cppspec.c (lang_specific_spec_functions): Remove.
10492 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10493 * gcc.h (lang_specific_spec_functions): Remove.
10494 * gccspec.c (lang_specific_spec_functions): Remove.
10496 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10498 * combine.c (record_value_for_reg): Invalidate registers
10500 (record_dead_and_set_regs_1): Likewise, by passing them to
10501 record_value_for_reg.
10502 (record_dead_and_set_regs): Invalidate stores made by a
10503 call. We do not combine across a call, but we still
10504 relied on equivalences.
10506 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10508 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10509 vrp_int_const_binop returning non-constant nodes.
10511 2006-01-16 Paul Brook <paul@codesourcery.com>
10513 * config/m68k/m68k.c (output_move_const_into_data_reg):
10514 Output correct mnemonic for mvz and mvs.
10516 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10518 * rtl-factoring.c: Add sequence abstraction algorithm.
10519 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10520 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10522 (block_has_preserve_label): New function.
10523 * common.opt: Register new pass.
10524 * Makefile.in: Ditto.
10526 * timevar.def: Ditto.
10527 * tree-pass.h: Ditto.
10528 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10529 * rtl.h (make_jump_insn_raw): Add forward decl.
10530 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10532 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10533 Roger Sayle <roger@eyesopen.com>
10535 * fold-const.c (fold_minmax): New static function.
10536 (fold_binary) <MIN_EXPR>: Call it.
10537 <MAX_EXPR>: Likewise.
10538 * stor-layout.c (place_field): Use DECL_SIZE consistently
10539 in the computation of the new record size.
10541 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10543 * cse.c (cse_condition_code_reg): Make it static.
10544 * rtl.h: Remove the prototype for cse_condition_code_reg.
10546 * combine.c (combine_instructions): Make it static.
10547 * rtl.h: Remove the prototype for combine_instructions.
10549 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10552 * tree.c (get_file_function_name_long): Concatenate the first global
10553 object name with a string derived from the input filename of the object
10556 2006-01-16 Ben Elliston <bje@au.ibm.com>
10558 * config/i386/winnt-stubs.c: Update FSF address.
10559 * config/xtensa/ieee754-df.S: Ditto.
10560 * config/xtensa/ieee754-sf.S: Ditto.
10562 2006-01-14 Ian Lance Taylor <ian@airs.com>
10564 * ifcvt.c (noce_init_if_info): New static function, broken out of
10565 noce_process_if_block.
10566 (noce_process_if_block): Call noce_init_if_info.
10567 (check_cond_move_block): New static function.
10568 (cond_move_process_if_block): New static function.
10569 (process_if_block): Call cond_move_process_if_block.
10571 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10573 * cselib.c (hash_table): Rename to cselib_hash_table.
10574 (cselib_clear_table, discard_useless_values,
10575 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10576 cselib_init, cselib_finish): Adjust uses of hash_table.
10578 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10580 PR tree-optimization/25485
10581 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10582 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10583 is known to be false and true, respectively.
10585 2006-01-14 Richard Guenther <rguenther@suse.de>
10587 PR tree-optimization/22548
10588 PR tree-optimization/22555
10589 PR tree-optimization/22501
10590 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10591 * params.def (salias-max-array-elements): New parameter.
10592 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10593 * doc/invoke.texi (salias-max-array-elements): Document.
10594 * tree-flow-inline.h (var_can_have_subvars): We also handle
10596 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10598 * tree-ssa-structalias.c (params.h): Include.
10599 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10600 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10601 (get_constraint_for): For ADDR_EXPR operating on something
10602 containing an ARRAY_REF, add all subvars to the solution.
10603 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10604 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10605 for creating MUST_DEFs.
10606 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10608 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10610 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10612 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10613 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10614 number_of_iterations_le): New functions.
10615 (number_of_iterations_special): Removed.
10616 (number_of_iterations_exit): Do not use number_of_iterations_special.
10617 * tree.c (unsigned_type_for): Always return integer type.
10619 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10620 Richard Guenther <rguenther@suse.de>
10622 PR rtl-optimization/24257
10623 * gcse.c (find_moveable_store): Only consider a store movable
10624 when the SET_SRC of the insn can be assigned to a register.
10626 2006-01-14 Ian Lance Taylor <ian@airs.com>
10628 * tree.c (tree_not_class_check_failed): New function.
10629 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10630 (tree_not_class_check_failed): Declare.
10632 2006-01-13 Ian Lance Taylor <ian@airs.com>
10634 * reload1.c (do_output_reload): Add assertion rejecting a
10637 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10639 * combine.c (struct reg_stat): Add new fields truncation_label and
10641 (record_value_for_reg): Reset truncated_to_mode.
10642 (record_truncated_value): New function.
10643 (check_promoted_subreg): Call it. Rename to check_conversions.
10644 (combine_instructions): Rename check_promoted_subreg to
10646 (reg_truncated_to_mode): New function.
10647 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10648 (gen_lowpart_or_truncate): New function.
10649 (force_to_mode): Use it instead of gen_lowpart.
10651 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10653 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10654 VAR is a tag, not its type tag.
10656 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10658 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10659 alternatives to match style of other entries.
10660 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10662 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10664 PR tree-optimization/25771
10665 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10668 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10671 * tree-inline.c (declare_return_variable): If the return variable
10672 was marked as a non gimple complex, set the return slot variable
10673 to be a non gimple comple variable.
10675 2006-01-13 Richard Guenther <rguenther@suse.de>
10677 * builtins.c (expand_builtin_sincos): New function.
10678 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10680 (expand_builtin): Expand sincos using expand_builtin_sincos.
10682 2006-01-12 DJ Delorie <dj@redhat.com>
10684 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10685 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10686 so that constant shifts can be split.
10687 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10688 (m32c_valid_pointer_mode): Make static.
10689 (shift_gen_func_for): New.
10690 (m32c_prepare_shift): Use it. Split large const shifts into
10692 * config/m32c/predicates.md (shiftcount_operand): Allow more
10694 (longshiftcount_operand): New.
10695 * doc/md.texi (Machine Constraints): Document In6.
10697 2006-01-13 Ben Elliston <bje@au.ibm.com>
10699 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10700 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10703 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10705 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10706 to try to avoid clobbering pieces of structures when we know
10707 something about the whole structure.
10708 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10710 2006-01-13 Ben Elliston <bje@au.ibm.com>
10712 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10713 return in memory, as this is no limitation is no longer present.
10715 2006-01-12 DJ Delorie <dj@redhat.com>
10717 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10718 mova with fb, and for fb+0 -> An.
10720 * config/m32c/mov.md (peephole2): Fix enabling logic.
10722 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10723 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10724 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10725 FINI_ARRAY_SECTION_ASM_OP): Define.
10727 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10729 (m32c_legitimize_reload_address): New logic to reload FB to An.
10730 (m32c_output_reg_push): Add newline.
10731 (m32c_output_reg_pop): Likewise.
10733 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10735 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10737 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10739 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10741 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10743 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10746 2006-01-11 Ben Elliston <bje@au.ibm.com>
10748 * rtlanal.c (find_reg_note): Assert insn is not null.
10750 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10752 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10755 2006-01-11 Jeff Law <law@redhat.com>
10757 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10759 (mark_threaded_blocks, register_jump_thread): New functions.
10760 (thread_through_all_blocks): Remove unwanted argument. No
10761 longer rely on e->aux to communicate thread target info.
10762 Call mark_threaded_blocks. Release the threaded_blocks
10763 bitmap and threaded_edges vector when complete.
10764 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10765 (threaded_blocks): Remove.
10766 (tree_ssa_dominator_optimize): Remove initialization and
10767 finalization of threaded_blocks. Simplify call to
10768 thread_through_all_blocks.
10769 (thread_across_edge): Call register_jump_thread rather than
10770 storing thread information into e->aux.
10771 (free_all_edge_infos): Simplify now that e->aux is no longer
10772 used to communicate with thread_through_all_blocks.
10773 * tree-flow.h (thread_through_all_blocks): Update prototype.
10774 (register_jump_thread): Prototype.
10776 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10778 * df-core.c (df_compact_blocks, df_bb_replace): Use
10779 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10781 2006-01-11 Richard Guenther <rguenther@suse.de>
10783 PR tree-optimization/25734
10784 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10785 stop propagation after successful propagation to the LHS.
10787 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10789 * basic-block.h (control_flow_graph): Change the type of
10790 x_basic_block_info to VEC(basic_block,gc) *.
10791 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10793 (SET_BASIC_BLOCK): New.
10794 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10795 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10796 * cfgbuild.c (find_basic_blocks): Likewise.
10797 * cfglayout.c (fixup_reorder_chain): Likewise.
10798 * cfgrtl.c (create_basic_block_structure,
10799 rtl_create_basic_block): Likewise.
10800 * ifcvt.c (find_if_case_1): Likewise.
10801 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10804 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10806 * Makefile.in: Removed rotted odf.c entry.
10808 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10811 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10812 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10813 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10814 output pattern modifier, not %e.
10815 * config/cris/cris.c (cris_op_str): Update comment about pattern
10817 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10818 before falling through into...
10819 <case 'E'>: Redefined from old 'e' case.
10821 2006-01-11 Jan Hubicka <jh@suse.cz>
10824 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10826 2006-01-11 Jan Hubicka <jh@suse.cz>
10828 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10829 * i386.c (x86_decompose_lea): Kill.
10830 (ix86_rtx_costs): Kill.
10832 2006-01-11 Jan Hubicka <jh@suse.cz>
10834 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10835 * cgraph.h (cgraph_node): Add inline_decl.
10836 (cgraph_insert_node_to_hashtable): Declare.
10837 (save_inline_function_body): Declare.
10838 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10840 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10841 (cgraph_function_versioning): Update call of tree_function_versioning.
10842 (save_inline_function_body): New function.
10843 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10844 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10845 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10846 (cgraph_default_inline_p): Likewise.
10847 (cgraph_decide_inlining_incrementally): Likewise.
10848 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10849 (copy_bb): Kill saving; do updating of clones.
10850 (copy_cfg_body): Kill saving.
10851 (initialize_inlined-parameters): Likewise.
10852 (expand_call_inline): Likewise.
10854 (tree_function_versioning): New parameter "update_clones".
10855 (inlining_p): Kill saving.
10856 * tree-inline.h (tree_function_versioning): Update prototype.
10857 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10860 2006-01-11 Ian Lance Taylor <ian@airs.com>
10862 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10863 Allow undoing set of machine mode.
10864 (do_SUBST): Use enums instead of is_int.
10865 (do_SUBST_MODE): New function.
10866 (SUBST_MODE): New macro.
10867 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10868 reg and trying to replace reg_regno_rtx with a new register.
10869 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10870 (simplify_set): Use SUBST_MODE.
10871 (distribute_notes): Remove code that tried to update reg notes
10872 for regno_reg_rtx changes.
10874 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10876 PR tree-optimization/23109
10877 PR tree-optimization/23948
10878 PR tree-optimization/24123
10880 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10881 * tree-cfg.c (single_noncomplex_succ): New.
10882 * tree-flow.h (single_noncomplex_succ): Declare it.
10883 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10884 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10885 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10886 insert_bb, register_division_in, insert_reciprocals,
10887 replace_reciprocal, free_bb): New.
10888 (execute_cse_reciprocals_1): Rewritten.
10889 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10890 Do not commit any edge insertion. Always compute dominators and
10891 create the allocation pool.
10892 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10893 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10894 * targhooks.c (default_min_divistions_for_recip_mul): New.
10895 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10896 * passes.c (init_optimization_passes): Run recip after tree loop
10898 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10900 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10901 Kenneth Zadeck <zadeck@naturalbridge.com>
10903 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10904 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10905 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10906 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10907 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10908 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10909 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10910 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10911 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10912 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10913 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10914 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10915 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10916 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10917 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10918 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10919 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10920 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10921 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10922 DF_SCAN_POST_ALLOC): New macros.
10923 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10924 df_free_bb_function, df_local_compute_function, df_init_function,
10925 df_dataflow_function, df_confluence_function_0,
10926 df_confluence_function_n, df_transfer_function,
10927 df_finalizer_function, df_free_function, df_dump_problem_function,
10928 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10929 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10930 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10931 df_urec_bb_info, ) New types.
10932 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10934 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10935 df_analyze_simple_change_some_blocks,
10936 df_analyze_simple_change_one_block, df_compact_blocks,
10937 df_bb_replace, df_bb_regno_last_use_find,
10938 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10939 df_insn_regno_def_p, df_find_def, df_find_use,
10940 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10941 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10942 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10943 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10944 debug_df_chain, df_get_dependent_problem, df_chain_create,
10945 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10946 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10947 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10948 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10949 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10950 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10951 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10952 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10953 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10954 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10955 df_reorganize_refs, df_set_state, df_hard_reg_init,
10956 df_read_modify_subreg_p) New public functions.
10957 * df-core.c: The core dataflow solver and glue routines for rtl
10959 (df_init, df_add_problem, df_set_blocks, df_finish,
10960 df_hybrid_search_forward, df_hybrid_search_backward,
10961 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10962 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10963 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10964 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10965 df_reg_defined, df_find_use, df_reg_used, df_dump,
10966 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10967 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10968 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10969 debug_df_useno, reset_df_after_reload): New functions.
10970 * df-scan.c: The scanning fuctions, once in df.c, completely
10971 rewritten so that they now fully model the functionality of
10972 register usage at the backend.
10973 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10974 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10975 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10976 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10977 df_get_artificial_defs, df_get_artificial_uses,
10978 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10979 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10980 df_refs_delete, df_reorganize_refs, df_set_state,
10981 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10982 df_def_record_1, df_defs_record, df_uses_record,
10983 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10984 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10985 df_record_exit_block_uses, df_hard_reg_init): New functions.
10987 * df-problems.c: Seven concrete dataflow problems that use the
10988 scanning in df-scan.c and are solved by the engine in df-core.c.
10989 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10990 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10991 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10992 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10993 df_ru_free_bb_info, df_ru_alloc,
10994 df_ru_bb_local_compute_process_def,
10995 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10996 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10997 df_ru_transfer_function, df_ru_free, df_ru_dump,
10998 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10999 df_rd_free_bb_info, df_rd_alloc,
11000 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11001 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11002 df_rd_transfer_function, df_rd_free, df_rd_dump,
11003 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11004 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11005 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11006 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11007 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11008 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11009 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11010 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11011 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11012 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11013 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11014 df_urec_mark_reg_use_for_earlyclobber,
11015 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11016 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11017 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11018 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11019 df_chain_create_bb_process_use, df_chain_create_bb,
11020 df_chain_finalize, df_chain_free, df_chains_dump,
11021 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11022 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11023 df_reg_lifetime): New functions.
11024 * df.c: Deleted file.
11025 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11026 consistent with new df api.
11027 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11028 rest_of_handle_sms): Ditto.
11029 * web.c (unionfind_union, union_defs, entry_register, web_main):
11031 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11032 invariant_expr_equal_p, find_defs, check_dependencies,
11033 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11034 free_inv_motion_data, move_loop_invariants): Ditto.
11035 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11036 Update dependencies.
11037 (odf.c): Added defective entry that was deleted later in day.
11038 * sched-deps.c (sched_analyze_1): Ditto.
11040 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11042 * tree-ssa-operands.c (get_expr_operands): Record addressable
11043 variables directly. Do not call add_stmt_operands for CONST_DECLs
11045 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11046 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11048 2006-01-11 Ben Elliston <bje@au.ibm.com>
11050 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11051 function returns true in the positive case.
11053 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11056 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11057 for SI, DI, SF and DF modes. Add alternatives to copy between
11058 general and floating point registers to the 32-bit patterns.
11059 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11060 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11061 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11062 generating 64-bit code.
11063 * config/pa/pa.c (output_move_double): Handle copies between general
11064 and floating registers.
11066 2006-01-10 Stuart Hastings <stuart@apple.com>
11068 * config/i386/i386.md (set_got): Update.
11069 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11070 (builtin_setjmp_receiver): Mach-O support.
11071 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11072 (GOT_SYMBOL_NAME): Define.
11073 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11074 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11075 * config/i386/i386.c (override_options): Revise for Darwin.
11076 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11077 support. (darwin_x86_file_end): New. (output_set_got): Add label
11078 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11079 * config/i386/i386-protos.h (output_set_got): Likewise.
11080 * config/darwin.c (machopic_legitimize_pic_address): Update
11083 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11085 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11086 when MODE isn't BLKmode.
11088 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11090 PR rtl-optimization/25367
11091 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11093 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11096 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11097 for a negative bound.
11099 2006-01-10 Richard Guenther <rguenther@suse.de>
11101 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11102 Never override with anything constraint.
11104 2006-01-10 Jan Beulich <jbeulich@novell.com>
11106 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11107 256 bits when optimize_size.
11109 2006-01-10 Jan Beulich <jbeulich@novell.com>
11111 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11113 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11114 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11117 2006-01-10 Ben Elliston <bje@au.ibm.com>
11119 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11121 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11122 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11123 (USE_FP_FOR_ARG): Reject decimal float modes.
11124 (function_arg_advance): Likewise.
11125 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11126 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11127 point types in AltiVec vectors.
11128 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11129 (rs6000_libcall_value): Likewise.
11131 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11133 * config/xtensa/ieee754-df.S: New file.
11134 * config/xtensa/ieee754-sf.S: New file.
11135 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11136 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11137 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11139 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11141 * config/sh/predicates.md (binary_float_operator,
11142 binary_logical_operator, commutative_float_operator,
11143 equality_comparison_operator, greater_comparison_operator,
11144 less_comparison_operator, logical_operator,
11145 noncommutative_float_operator, shift_operator,
11146 symbol_ref_operand, unary_float_operator): Remove redundant
11149 2006-01-09 Jeff Law <law@redhat.com>
11151 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11152 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11153 now unused arguments. Callers updated.
11154 (eliminate_redundant_computations): Remove now unused arguments,
11156 (local_fold): Remove, no longer used.
11157 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11159 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11160 (simplify_cond): New function.
11161 (forward_propagate_into_cond): Call simplify_cond.
11163 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11165 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11166 (*vec_extractv2di_1_sse): New.
11168 2006-01-09 Ben Elliston <bje@au.ibm.com>
11170 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11172 2006-01-08 Richard Guenther <rguenther@suse.de>
11174 * tree-ssa-structalias.c (get_constraint_for): Remove
11175 anyoffset argument.
11176 (get_constraint_for_component_ref): Likewise.
11177 (do_deref): Likewise.
11178 (get_constraint_for): Likewise.
11179 (do_structure_copy): Likewise.
11180 (handle_ptr_arith): Likewise.
11181 (find_func_aliases): Likewise. Remove unused need_anyoffset
11184 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11185 Kaz Kojima <kkojima@gcc.gnu.org>
11187 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11188 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11189 (EXTRA_CONSTRAINT_C16): Remove.
11190 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11191 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11192 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11193 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11194 constants of SHmedia. Handle nested constant expressions of
11196 (andcosts): Fix the costs for SHmedia constants.
11197 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11198 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11199 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11200 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11201 (movv4hi_i, movv2si_i): Likewise.
11202 (movsi_const): Adjust the second operand of ior so to match with
11203 the Csu constraint.
11204 (movdi_const, movdi_const_32bit): Likewise.
11205 (movdi_const_16bit+1): Don't sign-extend LOW.
11206 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11208 (*double_shori): Fix the split condition. Use GEN_INT instead
11209 of get_int_mode calls. Mask lower 16-bit of the argument of
11211 (sym2GOTPLT): Remove.
11212 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11214 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11215 instead of EXTRA_CONSTRAINT_C16.
11217 2006-01-07 Ian Lance Taylor <ian@airs.com>
11218 David Edelsohn <edelsohn@gnu.org>
11220 PR rtl-optimization/25662
11221 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11222 for constant operands instead of simplify_gen_binary.
11223 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11224 after trying simplify_binary_operation
11226 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11228 * tree.c (iterative_hash_expr): Hash decls based on UID.
11230 2006-01-06 Eric Christopher <echristo@apple.com>
11232 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11233 (TARGET_UNWIND_EMIT): Fix spelling.
11234 * target.h (gcc_target): Add except_table_label.
11235 * except.c (output_function_exception_table): Use.
11236 * varasm.c (default_emit_except_table_label): New.
11237 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11239 (asm_out): Add here.
11240 * output.h (default_emit_except_table_label): Prototype.
11241 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11242 * config/darwin.c (darwin_emit_except_table_label): Define.
11243 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11245 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11247 PR tree-optimization/18527
11248 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11249 number_of_iterations_special, number_of_iterations_exit):
11250 Move base and step of an iv to a single structure. Add
11251 no_overflow flag, and use it in # of iterations analysis.
11252 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11253 folded_casts argument.
11254 (simple_iv): Pass base and step in a structure. Set no_overflow
11256 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11257 Evaluate expensiveness of computing # of iterations instead of
11258 the final expression.
11259 * tree-scalar-evolution.h (affine_iv): New structure.
11260 (simple_iv): Declaration changed.
11261 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11262 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11263 find_givs_in_stmt): Changed due to simple_iv change.
11265 2006-01-06 Jeff Law <law@redhat.com>
11268 * tree-cfg.c (bsi_replace): Rename final argument from
11269 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11270 change (stmt -> orig_stmt).
11271 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11272 (bsi_remove): Add new argument. Remove EH information
11274 (verify_eh_throw_table_statements): New function.
11275 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11277 * tree-optimize.c (execute_free_cfg_annotations): Verify
11278 the EH throw statement table after removing annotations.
11279 * except.h (verify_eh_throw_table_statements): Prototype.
11280 * tree-flow.h (bsi_remove): Update prototype.
11281 * tree-vrp.c (remove_range_assertions): Add new argument to
11283 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11284 * tree-complex.c (expand_complex_div_wide): Likewise.
11285 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11286 * tree-tailcall.c (eliminate_tailcall): Likewise.
11287 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11288 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11289 * tree-nrv.c (tree_nrv): Likewise.
11290 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11291 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11292 (combine_blocks): Likewise.
11293 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11294 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11295 (cleanup_control_flow): Likewise.
11296 (remove_forwarder_block): Likewise.
11297 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11298 * tree-sra.c (sra_replace): Likewise.
11299 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11300 (forward_propagate_single_use_vars): Likewise.
11301 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11302 * tree-inline.c (expand_call_inline): Likewise.
11303 * tree-vect-transform.c (vect_transform_loop): Likewise.
11304 * tree-outof-ssa.c (rewrite_trees): Likewise.
11305 * tree-cfg.c (make_goto_expr_edges): Likewise.
11306 (cleanup_dead_labels): Likewise.
11307 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11308 (bsi_move_before, bsi_move_after): Likewise.
11309 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11310 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11312 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11315 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11317 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11318 on non gimple variables. Also add checks at the top for decls and
11320 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11322 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11323 and IMAGPART_EXPR for creating MUST_DEFs.
11324 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11325 and NAME_MEMORY_TAG separately from the DECLs.
11327 2006-01-06 Richard Guenther <rguenther@suse.de>
11329 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11330 annotation, if necessary.
11331 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11332 redundant calls to update_stmt.
11333 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11336 2006-01-05 Richard Henderson <rth@redhat.com>
11338 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11340 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11342 * c-typeck.c: Update copyright date.
11344 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11346 * c-typeck.c (build_c_cast): Always warn when casting
11347 from a pointer to an integer of different size, even if
11348 the node was constant.
11350 2006-01-05 Richard Guenther <rguenther@suse.de>
11352 PR tree-optimization/22555
11353 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11354 if one structure field is an array.
11355 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11356 operands even if we found a subvar, but ignore VOPs in this
11358 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11360 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11362 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11364 PR middle-end/24998
11365 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11367 2006-01-05 Richard Guenther <rguenther@suse.de>
11368 Diego Novillo <dnovillo@redhat.com>
11370 * tree-pass.h (TODO_remove_unused_locals): Define.
11371 * gimple-low.c (expand_var_p, remove_useless_vars,
11372 pass_remove_useless_vars): Remove. Update all users.
11373 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11374 (remove_unused_locals): New function.
11375 * tree-flow.h (remove_unused_locals): Declare.
11376 * passes.c (execute_todo): Call remove_unused_locals if
11377 TODO_remove_unused_locals is set.
11378 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11379 * tree-ssa-dce.c (pass_dce): Likewise.
11380 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11382 2006-01-05 Richard Guenther <rguenther@suse.de>
11384 * tree-flow.h (struct fieldoff): Decompose field to
11385 type, size and decl.
11386 * tree-ssa-alias.c (create_sft): Take type as parameter.
11387 (create_overlap_variables_for): Store type, size and decl
11388 in the fieldoff structure.
11389 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11390 of struct fieldoff.
11391 (push_fields_onto_fieldstack): Likewise.
11392 (create_variable_info_for): Likewise. Use offset for the
11393 SFT name if the decl is not available.
11395 2006-01-04 Paul Brook <paul@codesourcery.com>
11397 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11399 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11401 * lambda-code.c (can_put_in_inner_loop): Relax
11403 (can_put_after_inner_loop): New function.
11404 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11405 (perfect_nestify): Change to make copies and modify uses.
11407 2006-01-04 Richard Henderson <rth@redhat.com>
11409 Merge from gomp branch:
11410 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11411 via integer constant.
11412 (pragma_lex): Remove.
11413 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11414 rather than parsing it.
11415 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11416 handle_pragma_extern_prefix): Add %< %> quotes.
11417 (registered_pragmas): New.
11418 (c_register_pragma_1): New.
11419 (c_register_pragma): Use it.
11420 (c_register_pragma_with_expansion): Likewise.
11421 (c_invoke_pragma_handler): New.
11422 (init_pragma): Use cpp_register_deferred_pragma directly for
11424 * c-pragma.h (enum pragma_kind): New.
11425 (pragma_handler): New.
11426 (c_invoke_pragma_handler): Declare.
11427 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11429 * c-common.h (c_common_pch_pragma): Update decl.
11430 * Makefile.in (c-parser.o): Update dependencies.
11431 (GTFILES): Add c-pragma.h.
11432 * c-parser.c (struct c_token): Add pragma_kind.
11433 (struct c_parser): Add in_pragma.
11434 (c_lex_one_token): Always initialize keyword and pragma_kind.
11435 Extract data for CPP_PRAGMA.
11436 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11437 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11438 Don't allow CPP_PRAGMA_EOL if in_pragma.
11439 (c_parser_consume_pragma): New.
11440 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11441 (c_parser_skip_to_end_of_parameter): Likewise.
11442 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11443 (c_parser_skip_to_pragma_eol): New.
11444 (c_parser_external_declaration): Handle CPP_PRAGMA.
11445 (c_parser_compound_statement_nostart): Likewise.
11446 (c_parser_statement_after_labels): Likewise.
11447 (c_parser_pragma): New.
11448 (pragma_lex): Likewise.
11449 (c_parser_pragma_pch_preprocess): New.
11450 (c_parser_new): Merge into ...
11451 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11453 2006-01-04 Jeff Law <law@redhat.com>
11456 * tree-cfg.c (bsi_replace): Remove the original statement
11457 from the EH throw statement table.
11459 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11461 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11462 make the prototype extern "C" and add throw ().
11465 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11466 and pos non-negative and pos + len <= 32.
11467 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11468 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11469 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11472 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11473 as well as sizes not multiple of component size.
11476 * function.c (instantiate_expr): New function.
11477 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11478 walk its DECL_VALUE_EXPR with instantiate_expr.
11480 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11481 DW_OP_deref{,_size} if address isn't going to be added.
11483 2006-01-04 Ben Elliston <bje@au.ibm.com>
11485 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11486 * config/fp-bit.c: Likewise.
11488 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11490 * dominance.c: Add comment about why we use DFS numbering
11493 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11494 Richard Henderson <rth@redhat.com>
11496 Merge from gomp-branch:
11497 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11498 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11500 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11502 PR rtl-optimization/25578
11503 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11504 pass a parameter to simplify_shift_const if changing ASHIFTRT
11507 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11509 * builtins.c (get_builtin_sync_mem): New function.
11510 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11511 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11512 Call get_builtin_sync_mem to generate mem rtx.
11514 2006-01-03 Richard Guenther <rguenther@suse.de>
11517 * stmt.c (add_case_node): Make sure to clear overflow flags
11520 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11522 Merge from gomp-branch.
11523 * config/sparc/sync.md: New file.
11524 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11525 UNSPECV_LDSTUB): New constants.
11526 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11527 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11528 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11531 2006-01-03 Roger Sayle <roger@eyesopen.com>
11533 * combine.c (reg_subword_p): New predicate to test whether the
11534 destination of a set refers to a subword/piece of a register.
11535 (try_combine): Generalize the code to merge the setting of a
11536 pseudo to a constant followed by a set of a subword of that
11537 register to a constant.
11539 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11541 * basic-block.h (control_flow_graph): Change the type of
11542 x_label_to_block_map to VEC(basic_block,gc) *.
11543 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11544 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11546 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11547 VEC(basic_block,heap) *.
11548 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11549 ssa_prop_fini): Adjust the uses of cfg_blocks.
11551 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11553 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11555 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11556 hashing trees instead of a pointer hash.
11557 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11558 compare for MEM_EXPR.
11560 PR rtl-optimization/25130
11561 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11562 when comparing MEMs for GCSE
11564 2006-01-03 Ben Elliston <bje@au.ibm.com>
11566 * targhooks.h (default_decimal_float_supported_p): Declare.
11567 * targhooks.c (default_decimal_float_supported_p): Define.
11568 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11569 `default_decimal_float_supported_p'.
11570 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11572 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11574 * combine.c (apply_distributive_law <SUBREG>): Check
11575 TRULY_NOOP_TRUNCATION.
11577 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11579 * dwarf2out.c (have_switched_text_section): Delete.
11580 (have_multiple_function_sections): New.
11581 (have_location_lists): Make 'bool'.
11582 (add_AT_loc_list): Use 'true' not '1'.
11583 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11584 (output_loc_list): Use have_multiple_function_sections.
11585 (output_ranges): Likewise.
11586 (dwarf2out_begin_function): Set have_multiple_function_sections if
11588 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11589 Check function_section rather than DECL_SECTION_NAME.
11590 (dwarf2out_finish): Use have_multiple_function_sections.
11591 Don't clear have_location_lists.
11593 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11594 Jan Hubicka <jh@suse.cz>
11596 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11597 case of conditional jump jumping to the next instruction.
11598 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11599 cases of conditional jump jumping to the next instruction.
11601 2006-01-02 Jan Hubicka <jh@suse.cz>
11603 * i386.c (*_cost): Add COSTS_N_INSNS.
11604 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11606 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11609 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11611 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11613 * config/arm/arm.c (all_fpus): Fix comment typo.
11614 * config/darwin.c: Likewise.
11615 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11616 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11617 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11619 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11621 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11622 (rs6000_split_compare_and_swapqhi): New.
11623 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11624 (sync_compare_and_swapqhi_internal): New.
11625 * config/rs6000/rs6000-protos.h: Declare.