1 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4 for LT and GT if the computed range is effectively empty.
6 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
10 mips_quad_format formats instead of ieee_single_format,
11 ieee_double_format and ieee_quad_format formats, respectively.
13 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
15 PR tree-optimization/27639
16 PR tree-optimization/26719
17 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
18 call to scev_probably_wraps_p.
19 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
20 used_in_pointer_arithmetic_p, convert_step): Removed.
21 (nowrap_type_p): New function.
22 (scev_probably_wraps_p): Rewritten.
23 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
24 chrec_convert if chrec_convert_aggressive might have been used.
25 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
26 scev_direction): New functions.
27 (chrec_convert): Changed to a wrapper over chrec_convert_1.
28 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
29 instead of convert_step.
30 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
31 (convert_step): Declaration removed.
32 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
34 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
36 * df-core.c: Added to header comments.
37 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
38 df_ur_bb_info, df_urec_bb_info): Added comments.
39 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
40 urec, ri problems): Fixed header comments.
41 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
42 code from df_rd_transfer_function.
44 2006-05-23 Richard Sandiford <richard@codesourcery.com>
46 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
47 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
48 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
50 2006-05-23 Joseph Myers <joseph@codesourcery.com>
52 * expr.c (undefined_operand_subword_p): New.
53 (emit_move_multi_word): Do not generate move from undefined bits
54 of a paradoxical subreg.
56 2006-05-23 Richard Sandiford <richard@codesourcery.com>
58 PR rtl-optimization/27736
59 * combine.c (replaced_rhs_value): New variable.
60 (combine_instructions): Set it.
61 (distribute_notes): When distributing a note in replaced_rhs_insn,
62 check whether the value was used in replaced_rhs_value.
64 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
67 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
68 add_referenced_var instead of add_referenced_tmp_var.
69 * tree-complex.c (create_one_component_var): Use add_referenced_var.
70 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
72 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
73 tree_optimize_tail_calls_1): Use add_referenced_var.
74 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
75 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
76 Use add_referenced_var.
77 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
78 * gimplify.c (force_gimple_operand): Use add_referenced_var.
79 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
80 Use add_referenced_var.
81 * tree-dfa.c (struct walk_state): Remove.
82 (find_referenced_vars): Remove walk state and vars_found hash table.
83 (make_rename_temp): Use add_referenced_var.
84 (find_vars_r): Pass less parameters to add_referenced_var.
85 (referenced_var_p): New. Is var in referenced_var hash table.
86 (referenced_var_insert): Assert var isn't already in hash table.
87 (add_referenced_var): Don't need walk_state parameter. Add var if it
88 isn't already in the hash table.
89 (add_referenced_tmp_var): Remove.
90 (find_new_referenced_vars_1): Use add_referenced_var.
91 * tree-ssa-pre.c (create_expression_by_pieces,
92 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
93 Use add_referenced_var.
94 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
95 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
96 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
98 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
99 vect_create_data_ref_ptr, vect_create_destination_var,
100 vect_init_vector, vect_build_loop_niters,
101 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
102 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
103 Use add_referenced_var.
104 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
105 * tree-flow.h (add_referenced_tmp_var): Remove prototype
106 (add_referenced_var): Add prototype.
107 * tree-ssa-structalias.c (get_constraint_for,
108 intra_create_variable_infos): Use add_referenced_var.
110 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
112 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
113 big-endian paradoxical subregs.
114 * var-tracking.c (struct micro_operation_def): Document that,
115 for modify micro operations, insn is the subsequent instruction.
116 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
117 (var_reg_set, var_mem_set): ... new functions.
118 (add_stores): Record subsequent insn.
119 (compute_bb_dataflow): Use new functions for MO_USE.
120 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
121 notes after the insn, and modify notes before the insn known
122 to be the subsequent one.
123 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
125 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
128 * config/i386/i386.c (ix86_expand_builtin): Use
129 gen_sse3_monitor64 for TARGET_64BIT.
131 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
133 PR rtl-optimization/26375
134 PR rtl-optimization/26855
135 * df-problems (df_ru_bb_local_compute_process_def): Removed update
137 (df_ru_bb_local_compute): Reversed statements and removed bogus
138 comment explaining why they should be in wrong order.
139 (df_ru_dump, df_rd_dump): Enhanced debug info.
140 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
142 * ddg.c (add_deps_for_def): Converted use of reaching defs to
143 reaching uses and fixed space problem.
145 2006-05-23 Jan Hubicka <jh@suse.cz>
147 * cgraphunit.c (decide_is_function_needed): Also nested functions
148 and functions declared inline can be optimized out at -O0.
150 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
152 * doc/install.texi (Configuration): Remove reference to CrossGCC
153 FAQ which was hijacked.
156 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
159 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
160 ix86_compare_emitted is non-NULL.
162 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
165 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
168 2006-05-22 Richard Sandiford <richard@codesourcery.com>
170 PR rtl-optimization/25514
171 * combine.c (replaced_rhs_insn): New variable.
172 (combine_instructions): Set replaced_rhs_insn when trying to replace
173 a SET_SRC with a REG_EQUAL note.
174 (distribute_notes): Use replaced_rhs_insn when determining the live
175 range of a REG_DEAD register.
177 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
178 Anatoly Sokolov <aesok@post.ru>
180 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
181 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
182 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
183 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
184 atmega3290, atmega649, atmega6490, atmega406, atmega640,
185 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
186 at90usb647, at90usb1286 and at90usb1287 devices.
187 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
188 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
190 2006-05-22 Richard Sandiford <richard@codesourcery.com>
192 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
194 2006-05-22 Richard Guenther <rguenther@suse.de>
197 2006-01-31 Richard Guenther <rguenther@suse.de>
198 Paolo Bonzini <bonzini@gnu.org>
200 * doc/install.texi (--disable-libgcc-math): Document.
202 2006-05-22 Richard Guenther <rguenther@suse.de>
205 2006-01-31 Richard Guenther <rguenther@suse.de>
207 * doc/invoke.texi (-msselibm): Document.
208 * target.h (expand_library_builtin): New target hook.
209 * builtins.c (expand_builtin): Use expand_library_builtin.
210 (default_expand_library_builtin): New function.
211 * gcc.c (LINK_GCC_MATH_SPEC): Define.
212 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
213 (link_gcc_math_spec): Declare.
214 (static_specs): Add link_gcc_math_spec.
215 * expr.h (default_expand_library_builtin): Declare.
216 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
217 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
218 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
219 * config/i386/i386.opt (msselibm): New target option.
220 * config/i386/i386.c (ix86_builtin_function_variants): New array.
221 (ix86_init_sse_abi_builtins): New function.
222 (ix86_expand_library_builtin): Likewise.
223 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
224 (override_options): Handle error conditions wrt -msselibm.
225 (ix86_builtins): Add function codes for SSE2 ABI builtins.
226 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
227 * doc/extend.texi (__builtin_sse2_*): Document new target specific
230 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
233 * c-common.c (self_promoting_args_p): Skip erroneous args.
236 * c-decl.c (finish_struct): Skip erroneous fields.
238 2006-05-22 Nick Clifton <nickc@redhat.com>
240 * config/cris/cris.opt (march): Remove VarExists attribute.
241 (max-stackframe=): Likewise.
243 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
245 * doc/rtl.texi: Fix a typo.
246 * see.c: Fix comment typos.
248 * tree-ssa-structalias.h (alias_info): Remove num_references.
250 2006-05-21 Mike Stump <mrs@apple.com>
252 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
254 (darwin_pragma_options): Use BAD instead.
255 (darwin_pragma_unused): Likewise.
256 (darwin_pragma_ms_struct): Likewise.
258 2006-05-21 David Edelsohn <edelsohn@gnu.org>
260 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
262 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
264 PR rtl-optimization/27671
265 * simplify-rtx.c (simplify_relational_operation_1): Fix
266 simplifications of (eq/ne (xor x y) y) and
269 PR tree-optimization/26622.
270 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
273 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
275 * tree-cfg.c: Prune whitespace.
276 (debug_tree_cfg): Point to correct header containing the
279 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
282 * cgraphunit.c (verify_cgraph_node): Typo in error message.
284 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
287 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
288 or sorry count is non zero.
290 2006-05-20 Andreas Schwab <schwab@suse.de>
292 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
294 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
295 Kenneth Zadeck <zadeck@naturalbridge.com>
297 PR rtl-optimization/26855
299 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
301 (df_scan_alloc): Added code to properly handle multiword hard
302 registers and add all_blocks parameter.
303 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
304 code to properly handle multiword hard registers.
305 (df_rescan_blocks): Added code to remove deleted blocks from
307 (df_ref_create_structure, df_ref_record): Added code to properly
309 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
310 and set DF_REF_PARTIAL.
311 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
312 (df_uses_record): Added DF_REF_PARTIAL for subreg.
313 (df_scan_add_problem): Added flags parameter.
314 (df_ref_create_structure): Changed switching structure.
315 (df_bb_refs_record): Fixed case where duplicate artificial refs
316 were created. Changed location of flags.
317 (df_record_entry_block_defs): Added code to make stack pointer
318 live in entry block. Refined cases where frame pointer is needed.
319 Changed location of flags.
320 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
321 (df_set_state): Removed function.
322 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
323 df_insn_create_insn_record, df_insn_refs_delete,
324 df_ref_create_structure): Formatting changes.
325 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
326 df_delete_basic_block): New function.
327 (df_init): Changed location of flags.
328 (df_add_problem): Added flags parameter and the way flags are
330 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
331 debug_df_chain): Improved debugging output.
332 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
333 (df_refs_chain_dump): Removed df parameter.
334 (df_iterative_dataflow): Added consistency check.
335 (df_prune_to_subcfg): Made public.
336 (df_analyze_problem): Added blocks_to_init parameter and made
338 (df_ref_record, df_bb_refs_record, df_mark_reg,
339 df_record_exit_block_uses): Whitespace changes.
340 (df_dump): Whitespace changes.
341 * df.h: Some reordering to remove forward references.
342 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
343 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
344 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
345 (dataflow.flags): New field.
346 (df.flag): Deleted field.
347 (df_alloc_function): Added additional bitmap parameter.
348 (df_dependent_problem_function): New type.
349 (df_problem.changeable_flags): New field.
350 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
351 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
352 (df_mw_hardreg): New struct.
353 (DF_INSN_UID_MWS): New macro.
354 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
356 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
357 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
358 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
359 (df_set_state): Removed function.
360 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
361 * df-problems.c (df_chain_dump): Removed df parameter.
362 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
363 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
365 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
366 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
367 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
368 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
369 DF_REF_MUST_CLOBBER cases.
370 (df_ru_bb_local_compute_process_def,
371 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
372 df_lr_bb_local_compute, df_ur_bb_local_compute,
373 df_chain_create_bb): Made subreg aware.
374 (df_ru_bb_local_compute, df_rd_bb_local_compute,
375 df_lr_bb_local_compute, df_lr_bb_local_compute,
376 df_chain_create_bb): Cleanup to use proper macros.
377 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
378 code to fixup bitvectors.
379 (df_ri_alloc): Cleared lifetime.
380 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
381 df_create_unused_note): New function.
382 (df_ri_bb_compute, df_ri_compute): Added code to create/update
383 REG_DEAD and REG_UNUSED notes as well as register information.
384 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
385 df_chains_dump): Fixed crash if problem was never run.
386 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
387 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
388 df_ri_add_problem): Processes flags in uniform manner.
389 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
390 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
391 df_rd_dump, df_urec_free_bb_info): Formatting changes.
392 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
393 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
394 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
395 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
396 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
397 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
398 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
399 * see.c (see_initialize_data): Ditto.
400 * final.c (rest_of_clean_state) Added regstack_completed.
401 * rtl.h (regstack_completed): Ditto.
402 * reg-stack.c (regstack_completed): Ditto.
404 2006-05-19 Mike Stump <mrs@apple.com>
406 * c-tree.h (default_conversion): Remove.
407 * c-common.h (default_conversion): Add.
409 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
411 * tree-vrp.c (valid_value_p): New function.
412 (adjust_range_with_scev): Fail if the value of bound is not
415 2006-05-19 Richard Sandiford <richard@codesourcery.com>
417 * config/mips/linux-unwind.h: Include <asm/unistd.h>
418 (mips_fallback_frame_state): Use syscall numbers to determine
419 the appropriate li instruction for the current ABI. Only use
420 __NR_sigreturn for o32.
422 2006-05-19 Nicolas Setton <setton@adacore.com>
424 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
425 * langhooks.c (lhd_dwarf_name): New function.
426 * langhooks-def.h (lhd_dwarf_name): Declare.
427 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
428 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
429 * ada/misc.c (gnat_dwarf_name): New function.
430 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
432 2006-05-19 Richard Sandiford <richard@codesourcery.com>
434 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
436 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
437 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
438 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
439 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
440 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
441 determine the size of Wtype, etc.
442 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
443 (swfloatfuncs): New variable.
444 (dwfloatfuncs): Likewise.
445 (lib2funcs): Remove floating-point conversion functions from
446 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
447 the set of conversion routines needed. Allow entries to specify
448 an object name, filename and word size. Update users accordingly.
449 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
450 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
454 2006-02-08 Roger Sayle <roger@eyesopen.com>
457 * config/fixtfdi.c: New libgcc source file.
458 * config/fixunstfdi.c: New source file.
459 * config/floatditf.c: New source file.
460 * config/floatunditf.c: New souce file.
461 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
462 files above instead of config/mips/_tilib.c.
463 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
465 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
467 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
468 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
470 2006-05-18 Mike Stump <mrs@apple.com>
472 Fix up vla, vm and [*] sematics.
478 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
479 (c_vla_unspec_p): Add.
481 * c-decl.c (struct c_scope): Add had_vla_unspec.
482 (build_array_declarator): Add support for [*].
483 (grokdeclarator): Likewise.
484 (grokparms): Likewise.
485 (get_parm_info): Likewise.
486 * c-objc-common.c (c_vla_unspec_p): Likewise.
487 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
488 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
489 typeof when argument is a variably modified type not inside sizeof or alignof.
490 (c_parser_direct_declarator_inner): Propagate errors.
491 (c_parser_sizeof_expression): Add support for [*].
492 (c_parser_parms_declarator): Initialize had_vla_unspec.
493 (c_parser_parms_list_declarator): Likewise.
494 * c-typeck.c (c_vla_type_p): Add.
495 (composite_type): Add support for vla compositing.
496 (comptypes_internal): Add support for vla compatibility.
497 (c_expr_sizeof_expr): Evaluate vla arguments.
498 * tree.c (variably_modified_type_p): Update comment for [*].
500 2006-05-18 Michael Matz <matz@suse.de>
503 * config.host: Make assignments to host_xmake_file cumulative.
504 * config.host (*-darwin*): Test $host, not $target.
506 2006-05-12 Stuart Hastings <stuart@apple.com>
508 * config/i386/i386.opt (-mstackrealign): New flag.
509 * config/i386/i386.c (force_align_arg_pointer): New attribute.
510 (ix86_handle_cconv_attribute): Emit error when
511 force_align_arg_pointer attribute collides with too many regparms.
512 (ix86_function_regparm): Limit regparms when used with
513 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
514 Support stack-realigning prologue in non-main functions. Emit
515 warning for nested functions under -mstackrealign, emit error for
516 nested functions with force_align_arg_pointer attribute.
517 * doc/extend.texi (force_align_arg_pointer): Document it.
518 * doc/invoke.texi (-mstackrealign): Document it.
520 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
522 PR rtl-optimization/27477
523 * combine.c (try_combine): Don't split a parallel consisting
524 of two sets into two individual sets if both sets reference
527 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
529 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
530 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
532 * doc/options.texi (VarExists): Updated.
534 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
536 * unwind-dw2.c: Add declarations for uw_update_context and
538 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
539 detected, advance frame state and context once to skip over stub.
541 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
545 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
546 Call rewrite_into_loop_closed_ssa only when something changed.
547 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
548 * lambda-code.c (can_convert_to_perfect_nest): Declared.
549 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
550 Test for perfect_nest_p here. Fix formating.
551 (replace_uses_equiv_to_x_with_y): Fix formating.
552 (stmt_uses_op): Removed.
553 (can_convert_to_perfect_nest): Removed loopivs parameter.
554 Complete the test by checking the scalar dependences.
555 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
558 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
561 From Dan Kegel <dank@kegel.com>:
562 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
564 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
566 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
567 if the element type is variably modified without recursing.
569 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
572 * tree-loop-linear.c (try_interchange_loops): Test for
575 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
577 PR tree-optimization/27548
578 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
579 range of ssa names that appear on abnormal edges.
580 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
581 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
583 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
586 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
588 2006-05-17 Jakub Jelinek <jakub@redhat.com>
591 * tree.h (OMP_PARALLEL_COMBINED): Define.
592 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
593 (new_omp_context): Add is_combined_parallel argument.
594 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
595 new_omp_context caller.
596 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
597 Adjust gimplify_scan_omp_clauses callers.
598 (omp_is_private): Issue errors if iteration variable is firstprivate
599 or reduction in the current context.
600 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
601 on combined parallel workshare constructs.
603 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
605 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
606 (gcc-options.o): New rule.
608 * optc-gen.awk: Protect variables for gcc-options.o with
609 #ifdef GCC_DRIVER/#endif.
611 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
613 Fix PR tree-optimization/27373
614 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
615 (forward_propagate_addr_expr): Update call.
617 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
619 * doc/options.texi: Move the Negative option.
621 2006-05-16 Richard Guenther <rguenther@suse.de>
623 PR tree-optimization/22303
624 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
626 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
627 ccp_fold did not simplify the statement.
629 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
632 * Makefile.in (GCC_OBJS): New.
633 (OBJS-common): Add opts-common.o.
634 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
635 (cpp$(exeext)): Likewise.
636 (gcc.o): Also depend on opts.h.
637 (opts-common.o): New.
639 * common.opt (gcoff): Add Negative(gdwarf-2).
640 (gdwarf-2): Add Negative(gstabs).
641 (gstabs): Add Negative(gstabs+).
642 (gstabs+): Add Negative(gvms).
643 (gvms): Add Negative(gxcoff).
644 (gxcoff): Add Negative(gxcoff+).
645 (gxcoff+): Add Negative(gcoff).
646 * config/i386/i386.opt (m32): Add Negative(m64).
647 (m64): Add Negative(m32).
649 * doc/options.texi: Document the Negative option.
651 * gcc.c: Include "opts.h".
652 (main): Call prune_options after expandargv.
654 * optc-gen.awk: Generate common declarations for all flag
655 variables in options.c. Output the neg_index field.
657 * opts.c (find_opt): Moved to ...
658 * opts-common.c: Here. New file.
660 * opts.h (cl_option): Add a neg_index field.
662 (prune_options): Likewise.
664 2006-05-16 Jakub Jelinek <jakub@redhat.com>
667 * omp-low.c (expand_omp_parallel): Don't assert
668 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
669 instead search for it.
672 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
675 2006-05-16 Andreas Schwab <schwab@suse.de>
677 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
680 2006-05-15 Roger Sayle <roger@eyesopen.com>
683 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
684 integer constants other than zero are only legitimate on TARGET_64BIT.
685 <CONST_VECTOR> Only zero vectors are legitimate.
686 (ix86_cannot_force_const_mem): Integral and vector constants can
687 always be put in the constant pool.
689 2006-05-16 DJ Delorie <dj@redhat.com>
691 * crtstuff.c (__dso_handle): Set section from
692 TARGET_LBIGCC_SDATA_SECTION if defined.
693 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
694 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
696 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
699 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
702 2006-05-16 Ben Elliston <bje@au.ibm.com>
704 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
706 2006-05-15 Per Bothner <per@bothner.com>
708 * tree.c: (last_annotated_node): Use sources_locus typedef.
709 This permits bootstrapping with --enable-mapped-location.
711 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
713 PR tree-optimization/26830
714 * tree-into-ssa.c (struct ssa_name_info): Add age field.
715 (info_for_ssa_name, current_info_for_ssa_name_age,
716 blocks_to_update): New variables.
717 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
718 (clear_ssa_name_info, initialize_flags_in_bb,
719 mark_block_for_update): New functions.
720 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
721 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
722 prepare_def_site_for): Use mark_block_for_update.
723 (mark_def_interesting): Assert that the processed block is marked in
724 blocks_to_update. Do not take blocks argument.
725 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
727 (rewrite_update_init_block, rewrite_update_stmt): Only process
728 blocks with statements to rewrite.
729 (delete_update_ssa): Do not clear SSA_NAME_AUX.
730 (update_ssa): Initialize and free blocks_to_update. Do not
731 clear flags on statements. Do not use blocks bitmap.
732 * tree.h (SSA_NAME_AUX): Removed.
733 (struct tree_ssa_name): Removed aux field.
734 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
736 2006-05-15 Richard Guenther <rguenther@suse.de>
738 PR tree-optimization/27603
739 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
740 Do computations in original type.
742 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
744 * see.c: Code style changes such as redundant paranthesis,
745 redundant intialization of local variables etc.
746 (see_main): Declared now as static.
747 * doc/invoke.texi: Update that -fsee is not enabled by
750 2006-05-15 Jakub Jelinek <jakub@redhat.com>
752 * omp-low.c (check_omp_nesting_restrictions): New function.
753 (scan_omp_1): Call it.
756 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
757 construct, return *VAR.
759 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
761 PR rtl-optimization/27406
762 * bt-load.c (migrate_btr_def): Skip the block having abnormal
765 2006-05-14 Roger Sayle <roger@eyesopen.com>
767 PR rtl-optimization/27538
768 * combine.c (expand_compound_operation): Call gen_lowpart
769 before calling simplify_shift_const.
771 2006-05-14 Roger Sayle <roger@eyesopen.com>
773 PR rtl-optimization/22563
774 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
775 a fixed width bitfield, always force the intermediates into psuedos.
777 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
780 * mkconfig.sh: Use operator = instead of == for test.
782 2006-05-13 Nick Clifton <nickc@redhat.com>
784 * dwarf2out.c (dbx_reg_number): Check return value from
785 LEAF_REG_REMAP and only use it if it is valid.
786 (multiple_reg_loc_descriptor): Likewise.
788 2006-05-13 Richard Guenther <rguenther@suse.de>
790 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
793 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
795 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
796 information attached to non-INSNs such as NOTEs.
797 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
799 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
801 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
803 * config/s390/s390.md: Adjust comment describing On constraint.
805 2006-05-11 Jan Hubicka <jh@suse.cz>
807 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
810 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
813 * fold-const.c (size_binop): Move sanity check for arguments to
814 the beginning of the function.
817 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
820 2006-05-11 Richard Guenther <rguenther@suse.de>
823 * fold-const.c (fold_unary): Handle intermediate conversion
824 to a pointer type like intermediate conversion to an integer
825 type in folding of (T1)(T2)var to var.
826 Match the code to the comment in the final conversion for
827 (T1)(T2)var to (T1)var regarding to type precision. Rather
828 than disallow T1 being of pointer type, assert that both T1
829 and var are of pointer type or not. Make sure not to fall
830 over the frontends lazyness wrt array to pointer decay though.
832 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
834 * arm.c (arm_struct_value_rtx): Delete.
835 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
836 (arm_init_cumulative_args): Always initialize nregs to zero.
838 2006-05-10 Richard Guenther <rguenther@suse.de>
840 PR tree-optimization/27532
841 * tree-object-size.c (plus_expr_object_size): Fix typo.
843 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
846 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
847 ashrdi_const, ashrdi3): Use a scratch register.
849 2006-05-10 Richard Guenther <rguenther@suse.de>
851 PR tree-optimization/27302
852 * fold-const.c (operand_equal_p): For two comparisons,
853 try comparison of one comparison code swapped if that yields
856 2006-05-10 Ben Elliston <bje@au.ibm.com>
858 * tree-pretty-print.c (pretty_print_string): No need to handle
859 '\0' as a special character.
861 * tree.h: Include "hashtab.h".
862 (iterative_hash_expr): Use hashval_t in its prototype.
863 * Makefile.in (TREE_H): Add $(HASHTAB_H).
865 2006-05-09 Steve Ellcey <sje@cup.hp.com>
868 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
869 (hppa*64*-*-hpux11*): Ditto.
870 (hppa[12]*-*-hpux11*): Ditto.
872 2006-05-09 David Edelsohn <edelsohn@gnu.org>
875 * config/rs6000/aix41.h (TARGET_64BIT): Define.
877 2006-05-09 Michael Matz <matz@suse.de>
879 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
880 host_extra_gcc_objs and host_xmake_file.
881 (<*-*-linux*>): Don't overwrite host_xmake_file.
882 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
883 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
884 (host_detect_local_cpu): Declare.
885 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
886 * config/i386/i386.c (override_options): Handle -mtune=native
888 * config/i386/x-i386: New file.
889 * config/i386/driver-i386.c: New file.
890 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
893 2006-05-09 Dirk Mueller <dmueller@suse.de>
894 Richard Guenther <rguenther@suse.de>
897 * fold-const.c (fold_read_from_constant_string): Relax check
898 for matching types to matching modes.
900 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
902 PR rtl-optimization/27335
903 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
906 2006-05-08 Chao-ying Fu <fu@mips.com>
907 Richard Sandiford <richard@codesourcery.com>
909 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
910 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
911 * config/mips/mips.md (UNSPEC_SCC): New constant.
912 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
913 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
914 (mips_emit_compare): Use it.
915 (mips_expand_vcondv2sf): New function.
917 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
919 Fix PR tree-optimization/27093
920 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
921 renaming when they become not-used_alone.
923 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
925 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
926 relocation and relocation stubs.
928 2006-05-08 Eric Christopher <echristo@apple.com>
930 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
933 2006-05-08 Jan Hubicka <jh@suse.cz>
936 * cgraphunit.c (decide_is_function_needed): When not optimizing even
937 unused static functions are needed.
939 2006-05-08 Roger Sayle <roger@eyesopen.com>
942 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
943 of a reg_equiv_constant if the result is a legitimate constant.
945 2006-05-08 Uros Bizjak <uros@kss-loka.si>
948 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
949 standard 80387 constants, raise the cost to prevent
950 compress_float_constant() to generate load from memory.
952 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
954 * config/arm/constraints.md (c): Fix a typo.
956 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
959 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
962 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
964 (_mm_mwait): Likewise.
966 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
968 (sse3_monitor): Make it 32bit only.
969 (sse3_monitor64): New. 64bit monitor.
971 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
974 * config/i386/i386.c (classify_argument): Skip fields with invalid
977 2006-05-07 Richard Guenther <rguenther@suse.de>
979 PR tree-optimization/27409
980 * tree-ssa-structalias.c (get_constraint_for_component_ref):
981 Do not try to find zero-sized subvars.
983 2006-05-07 Richard Guenther <rguenther@suse.de>
985 PR tree-optimization/27136
986 * tree-ssa-loop-niter.c (get_val_for): Correct function
987 comment, assert requirements.
988 (loop_niter_by_eval): Stop processing if the iterated
989 value did not simplify.
991 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
993 * opts.c (flag_see): remove its setting at -O3.
995 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
997 * genpeep.c (main): Make insn-peep.c depend on flags.h.
998 * arm/constraints.md: New file.
999 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1000 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1001 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1002 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1003 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1004 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1005 * arm.md: Include constraints.md.
1006 (thumb_movsi_insn): Use satisfies_constraint_J.
1007 (movhi, movqi): Use satisfies_constraint_I.
1009 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1011 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1012 for atmeg a645 device.
1014 2006-05-06 Richard Guenther <rguenther@suse.de>
1016 PR tree-optimization/27151
1017 * tree-vect-transform.c (vectorizable_condition): Punt on
1018 values that have a different type than the condition.
1020 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1023 * c-parser.c (c_parser_cast_expression): Only insert casts into
1024 hash table if pointer.
1025 * function.c (used_types_insert_helper): Rename from
1027 (used_types_insert): Call used_types_insert_helper.
1028 * function.h (used_types_insert): Accept only one argument.
1030 2006-05-05 David Edelsohn <edesohn@gnu.org>
1032 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1033 scratch with output modifier.
1035 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1038 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1039 with output modifier.
1041 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1044 * config/mips/mips.c (mips_symbolic_address_p): Return true
1045 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1046 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1048 2006-05-04 Richard Guenther <rguenther@suse.de>
1050 PR tree-optimization/14287
1051 PR tree-optimization/14844
1052 PR tree-optimization/19792
1053 PR tree-optimization/21608
1054 PR tree-optimization/27090
1055 * tree-ssa-pre.c (try_combine_conversion): New function.
1056 (compute_avail): After constructing the value-handle
1057 expression, use try_combine_conversion to combine NOP_EXPRs
1058 with previous value-handle expressions and use the result if it
1061 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1063 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1065 2006-05-04 Jan Hubicka <jh@suse.cz>
1068 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1070 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1072 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1073 that this only matches CONST_INTs. All users changed to VOIDmode
1076 * config/bfin/bfin.c: Include "optabs.h".
1077 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1079 (enum bfin_builtins): Add a number of fractional and vector builtins.
1080 (bfin_init_builtins): Likewise.
1081 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1082 (safe_vector_operand, bfin_expand_binop_builtin,
1083 bfin_expand_unop_builtin): New functions.
1084 (bfin_expand_builtin): Handle the new builtins.
1085 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1088 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1091 * Makefile.in (OBJS-common): Add see.o.
1092 (see.o): Add dependencies.
1093 * common.opt (fsee): New flag for the see optimization was added.
1094 * opts.c (flag_see): Initialized.
1095 * passes.c (init_optimization_passes, pass_see): New pass.
1096 * rtl.h (see_main): Declaration as extern.
1097 * timevar.def (TV_SEE): New.
1098 * tree-pass.h (pass_see): Declaration as extern.
1099 * invoke.texi (-fsee): Document.
1100 * recog.c (validate_simplify_insn): New function.
1101 * recog.h (validate_simplify_insn): Declaration as extern.
1102 * df-problems.c (df_chain_dump): Check for NULL.
1104 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1105 Daniel Berlin <dberlin@dberlin.org>
1107 * cfgrtl.c (insert_insn_bb_end_new): New function.
1108 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1110 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1112 * df.h (struct web_entry): Moved from web.c.
1113 (union_defs): Declaration as extern.
1114 (unionfind_root): Likewise.
1115 (unionfind_union): Likewise.
1116 * web.c (struct web_entry): Moved to df.h.
1117 (unionfind_root): Remove static declaration.
1118 (unionfind_union): Likewise.
1119 (union_defs): Likewise and generalize to use callback function.
1120 (web_main): Update arguments for union_defs function call.
1122 2006-05-04 Richard Guenther <rguenther@suse.de>
1124 PR tree-optimization/26447
1125 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1126 produce SSA_NAME copies before the store stmt to avoid
1127 breaking exception handling.
1129 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1132 * gimplify.c (omp_is_private): If var is shared in some outer context,
1133 return false instead of true. Stop searching on parallel context
1136 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1139 * coverage.c: Use get_gcov_unsigned_t() instead of
1140 unsigned_type_node all over.
1142 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1144 PR tree-optimization/27381
1145 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1146 maintain the same immediate_use links.
1147 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1148 node rather than segfaulting.
1150 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1153 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1154 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1155 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1157 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1159 Fix PR tree-optimization/26626
1160 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1162 * tree-ssa-operands.c (access_can_touch_variable): Allow
1163 typecasting through union pointers.
1165 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1168 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1169 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1170 to find if var will be a global variable even in the nested context.
1171 (omp_copy_decl): Only check for global variable at the end, it might
1172 be overridden in outer contexts.
1173 (scan_sharing_clauses): For global variables don't create a field.
1174 (lower_rec_input_clauses): Do nothing for global shared variables.
1175 Emit a barrier at the end of ILIST if there were any decls in both
1176 firstprivate and lastprivate clauses.
1177 (lower_send_clauses): Do nothing for global variables except for
1180 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1182 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1183 of the correct signedness is returned.
1185 2006-05-02 Jeff Law <law@redhat.com>
1187 PR tree-optimization/27364
1188 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1189 multiply expressions.
1191 2006-05-02 Tom Tromey <tromey@redhat.com>
1193 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1195 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1198 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1199 -mthumb -fPIC are used.
1201 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1202 Joshua Kinard <kumba@gentoo.org>
1205 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1206 with 64-bit pointers.
1208 2006-05-02 Paul Brook <paul@codesourcery.com>
1210 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1212 (create_fix_barrier): Check that a suitable barrier location is
1214 (arm_reorg): Include ftmp->address in allowable range of addresses.
1216 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1219 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1222 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1225 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1226 around RESULT_DECL for result passed by reference.
1227 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1228 * omp-low.c (use_pointer_for_field): Don't look at
1229 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1230 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1231 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1232 time or var for passing by reference for
1233 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1234 TREE_ADDRESSABLE variables when passing by reference.
1236 * omp-low.c (dump_omp_region): Fix output formatting.
1239 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1240 (expand_omp_parallel): Likewise.
1241 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1244 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1245 on statement list containing also constructors and destructors.
1246 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1249 * except.c (duplicate_eh_regions): Fix clearing of
1250 cfun->eh->region_array entries.
1252 2006-05-01 DJ Delorie <dj@redhat.com>
1254 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1256 (gcc_cv_objdump): Likewise.
1257 * configure: Regenerated.
1259 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1262 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1263 templates for case 3 and 4.
1265 2006-05-01 DJ Delorie <dj@redhat.com>
1267 * vec.c: Include bconfig.h when appropriate.
1268 * Makefile.in (build/vec.o): Adjust dependencies.
1269 * mkconfig.sh: Make sure config.h isn't used for build machine
1272 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1274 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1276 (mark_phi_for_rewrite): New function.
1277 (insert_phi_nodes_for, mark_use_interesting): Call
1278 mark_phi_for_rewrite.
1279 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1280 (update_ssa): Initialize and free phis_to_rewrite.
1282 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1284 PR rtl-optimization/27291
1285 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1286 folded to a constant.
1288 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1290 PR tree-optimization/27283
1291 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1292 not whole # of iteration descriptions.
1293 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1294 uses abnormal ssa name.
1295 (niter_for_single_dom_exit): Ditto.
1296 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1297 return just the number of iterations.
1299 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1301 PR tree-optimization/27144
1302 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1303 (record_estimate): Only record constant upper bound.
1304 (infer_loop_bounds_from_undefined): Call
1305 compute_estimated_nb_iterations just once.
1306 (proved_non_wrapping_p): Renamed to ...
1307 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1308 (convert_step_widening, scev_probably_wraps_p): Call
1309 n_of_executions_at_most instead of proved_non_wrapping_p.
1310 (substitute_in_loop_info): Do not replace values in bounds.
1311 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1314 2006-05-01 Richard Henderson <rth@redhat.com>
1317 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1318 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1321 2006-05-01 Roger Sayle <roger@eyesopen.com>
1323 * c-typeck.c (parser_build_binary_op): Don't call the function
1324 unsigned_conversion_warning to spot operand/result type overflow.
1325 (build_binary_op): Instead, call convert_and_check instead of
1326 convert to report the problem when the operands are promoted.
1327 * c-common.c (unsigned_conversion_warning): Make static.
1328 * c-common.h (unsigned_conversion_warning): Delete prototype.
1330 2006-05-01 Richard Guenther <rguenther@suse.de>
1332 PR tree-optimization/26726
1333 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1335 (find_interesting_uses_address): ... we work around here
1336 by folding INDIRECT_REFs in the substituted base.
1338 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1340 * omp-low.c (dump_omp_region): Add newlines.
1342 2006-04-30 Roger Sayle <roger@eyesopen.com>
1344 * common.opt (Woverflow): New command line option.
1345 * c-common.c (constant_expression_warning): Check warn_overflow.
1346 (overflow_waring): Pass OPT_Woverflow to warning.
1347 (unsigned_conversion_warning): Likewise.
1348 (convert_and_check): Likewise.
1349 * doc/invoke.texi: Document new command line option.
1351 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1353 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1354 TARGET_NO_FP_IN_TOC for section anchors.
1355 (optimization_options): Enable section anchors for all
1356 non-"Objective" languages.
1358 2006-04-28 Eric Christopher <echristo@apple.com>
1360 * config/darwin-c.c (darwin_ms_struct): Move this
1361 (darwin_set_default_type_attributes): and this...
1362 * config/darwin.c: ... here.
1363 * config/darwin.h (darwin_ms_struct): Declare.
1365 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1367 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1369 2006-04-28 Roger Sayle <roger@eyesopen.com>
1372 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1373 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1374 an unsigned HOST_WIDE_INT.
1375 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1377 (really_start_incremental_init): No need to call convert because
1378 bitsize_zero_node is already of type bitsizetype.
1379 (push_init_level): Extract the value of constructor_index as an
1380 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1381 (process_init_element): Likewise.
1383 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1385 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1386 value before passing to make_relative_prefix.
1388 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1391 * builtins.c (expand_builtin_memset): Expand val in original mode.
1393 2006-04-27 Eric Christopher <echristo@apple.com>
1395 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1396 with #ifndef/#endif.
1397 * config/darwin-c.c (darwin_ms_struct): New.
1398 (darwin_pragma_ms_struct): Ditto.
1399 (darwin_set_default_type_attributes): Ditto.
1400 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1401 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1402 Register ms_struct pragma.
1403 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1404 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1405 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1406 darwin_set_default_type_attributes if TARGET_MACHO.
1408 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1410 PR tree-optimization/26854
1411 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1412 * doc/tree-ssa.texi: Update immuse iterator documentation.
1413 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1414 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1415 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1416 first_safe_imm_use, next_safe_imm_use): Remove.
1417 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1418 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1419 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1420 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1421 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1422 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1423 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1424 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1425 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1426 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1427 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1428 (perfect_nestify): Use new iterator.
1429 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1431 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1432 (next_imm_name): New field in struct immediate_use_iterator_d.
1433 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1434 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1435 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1436 * tree-cfg.c (replace_uses_by): Use new iterator.
1437 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1438 * tree-ssa-operands.c (correct_use_link): Remove.
1439 (finalize_ssa_use_ops): No longer call correct_use_link.
1441 2006-04-27 Stuart Hastings <stuart@apple.com>
1443 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1444 * config/t-darwin (crt3.o): Use it.
1445 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1446 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1447 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1448 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1449 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1452 2006-04-27 Roger Sayle <roger@eyesopen.com>
1454 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1455 size, force the intermediate into a new pseudo rather instead of
1456 performing both a bitwise AND and a bitwise IOR in memory.
1458 2006-04-27 Richard Guenther <rguenther@suse.de>
1460 PR rtl-optimization/26685
1461 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1462 this one "max-flow-memory-locations".
1464 2006-04-27 Richard Guenther <rguenther@suse.de>
1466 PR tree-optimization/25148
1467 * tree-vrp.c (compare_values): Remove code dealing with
1468 comparisons against type min/max value. Honour overflow
1469 and negative constants in code dealing with comparisons
1470 of plus and minus expressions.
1471 (value_inside_range): Use fold_binary with LE_EXPR and
1472 GE_EXPR rather than compare_values.
1474 2006-04-27 Dirk Mueller <dmueller@suse.de>
1476 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1479 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1481 * basic-block.h (safe_insert_insn_on_edge): Removed.
1482 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1484 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1485 Paolo Bonzini <bonzini@gnu.org>
1488 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1489 (simplify_and_const_int): Same.
1491 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1493 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1495 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1498 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1499 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1500 cgraph_global_info_ready.
1503 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1506 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1507 either decl or init is error_mark_node.
1510 * tree-flow.h (struct omp_region): Add sched_kind.
1511 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1512 instead of extracting omp for data.
1513 (expand_omp_for): Save extracted sched_kind.
1515 2006-04-25 Roger Sayle <roger@eyesopen.com>
1517 * expmed.c (store_bit_field): Also check whether the bitsize is
1518 valid for the machine's "insv" instruction before moving the
1519 target into a pseudo for use with the insv.
1520 * config/i386/predicates.md (const8_operand): New predicate.
1521 * config/i386/i386.md (extv, extzv, insv): Use the new
1522 const8_operand predicate where appropriate.
1524 2006-04-25 DJ Delorie <dj@redhat.com>
1526 * doc/install.texi (Specific): Clarify that this is not a list of
1527 supported hosts or targets.
1529 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1531 PR rtl-optimization/26725
1532 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1533 block's BB_DIRTY flag.
1535 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1537 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1540 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1541 to print an integer.
1543 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1545 * varasm.c (align_variable): New function.
1546 (get_block_for_decl): Apply align_variable to DECL before
1547 calculating section information.
1548 (assemble_variable): Split out alignment computation.
1550 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1552 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1555 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1557 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1558 MODE_PARTIAL_INT mode.
1559 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1560 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1562 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1563 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1565 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1567 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1569 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1570 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1571 MACFLAG_IH): Likewise.
1572 (movstricthi_1): Renamed from "*movstricthi".
1573 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1574 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1575 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1576 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1577 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1578 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1579 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1580 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1581 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1582 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1583 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1584 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1585 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1586 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1587 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1589 * doc/rtl.texi (ss_ashift): Improve wording.
1591 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1593 * dwarf2out.c (verify_marks_clear): New.
1594 (prune_unused_types): Call verify_marks_clear initially, not
1597 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1599 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1600 * doc/rtl.texi: Document them.
1601 * simplify-rtx.c (simplify_unary_operation,
1602 simplify_binary_operation_1): Don't abort when we see them.
1604 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1607 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1608 * configure.ac: Completely disregard languages that are not
1610 * configure: Regenerated.
1612 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1613 Richard Guenther <rguenther@suse.de>
1615 PR tree-optimization/27236
1616 * tree-inline.c (copy_body_r): Make sure to copy
1617 TREE_THIS_VOLATILE flag.
1619 2006-04-24 Richard Guenther <rguenther@suse.de>
1622 * tree-complex.c (update_parameter_components): Don't handle
1623 unused parameters which have no default def.
1625 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1626 Richard Guenther <rguenther@suse.de>
1628 PR tree-optimization/27218
1629 * tree-inline.c (expand_call_inline): Strip useless type
1630 conversions for the return slot address.
1632 2006-04-24 Richard Guenther <rguenther@suse.de>
1634 * cfgloop.h (struct loops): Remove unused field array. Reorder
1636 (LOOP_PREFETCH): Remove.
1638 2006-04-24 Richard Guenther <rguenther@suse.de>
1640 PR tree-optimization/22525
1641 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1642 variable, adjust types of generated expressions.
1644 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1646 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1647 (tree-vect-patterns.o): Likewise.
1649 (cselib.o): Likewise.
1650 (loop-doloop.o): Likewise.
1651 (regclass.o): Likewise.
1652 (reload1.o): Likewise.
1653 (explow.o): Replace target.h with $(TARGET_H).
1654 (ipa-prop.o): Likewise.
1655 (ipa-cp.o): Likewise.
1656 (ipa-inline.o): Likewise.
1657 (reorg.o): Likewise.
1658 (reg-stack.o): Likewise.
1660 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1662 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1664 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1666 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1668 * configure.ac: Completely disregard languages that are not
1670 * configure: Regenerated.
1673 * c-common.h (c_build_bitfield_integer_type): Declare.
1674 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1675 * c-common.c (c_build_bitfield_integer_type): ... here.
1677 2006-04-23 Roger Sayle <roger@eyesopen.com>
1680 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1681 a SImode SUBREG of a floating point register after no_new_pseudos.
1683 2006-04-23 Roger Sayle <roger@eyesopen.com>
1685 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1686 identify potentially eliminable registers to additionally catch
1687 VIRTUAL_INCOMING_ARGS_REGNUM.
1688 (addsi3): Update the conditions on when to use addsi_small_int.
1690 2006-04-23 Roger Sayle <roger@eyesopen.com>
1693 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1694 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1695 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1697 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1699 * fold-const.c (range_predecessor): Use operand_equal_p
1700 as the predicate for equality.
1701 (range_successor): Likewise.
1703 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1706 * config/soft-fp/op-common.h: Fix a typo.
1708 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1711 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1712 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1714 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1716 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1718 * doc/tm.texi: Fix a typo.
1720 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1722 * dwarf2out.c (struct die_struct): Document that die_sib makes
1723 a circular linked list.
1724 (FOR_EACH_CHILD): New.
1725 (reverse_die_lists): Delete.
1726 (reverse_all_dies): Delete.
1727 (add_dwarf_attr): Correct documentation.
1728 (remove_child_with_prev): New.
1729 (remove_child_TAG): Update for change to die_struct, use
1730 remove_child_with_prev.
1731 (add_child_die): Update for change to die_struct.
1732 (splice_child_die): Use remove_child_with_prev and add_child_die.
1733 (print_die): Use FOR_EACH_CHILD.
1734 (die_checksum): Likewise.
1735 (assign_symbol_names): Likewise.
1736 (output_location_lists): Likewise.
1737 (build_abbrev_table): Likewise.
1738 (calc_die_sizes): Likewise.
1739 (mark_dies): Likewise.
1740 (unmark_dies): Likewise.
1741 (unmark_all_dies): Likewise.
1742 (output_die): Likewise.
1743 (prune_unused_types_mark): Likewise.
1744 (prune_unused_types_walk): Likewise.
1745 (same_die_p): Update for change to die_struct.
1746 (break_out_includes): Likewise.
1747 (prune_unused_types_prune): Likewise.
1748 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1749 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1751 (dwarf2out_finish): Don't call reverse_all_dies.
1753 2006-04-21 Eric Christopher <echristo@apple.com>
1755 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1756 in comments and function names.
1758 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1761 * c-typeck.c (digest_init): Robustify.
1763 * c-typeck.c (pop_init_level): Simplify.
1765 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1767 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1769 2006-04-21 Paul Brook <paul@codesourcery.com>
1771 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1772 hardware floating point.
1774 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1776 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1779 2006-04-21 Nick Clifton <nickc@redhat.com>
1781 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1784 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1787 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1788 C++ lang type in traceback table for Objective-C++.
1790 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1792 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1794 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1796 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1799 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1800 were errors. Remove check for erroneous objects.
1802 2006-04-20 Jeff Law <law@redhat.com>
1804 PR tree-optimization/26854
1805 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1806 checking for zero or one use.
1807 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1808 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1809 * tree-ssa-reassoc.c (negate_value): Similarly.
1810 (reassociate_bb): Similarly.
1812 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1814 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1815 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1816 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1818 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1820 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1821 fp regs if the last fp arg doesn't fit in regs.
1823 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1826 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1827 that the last insn has the REG_INC note.
1829 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1830 Nathan Sidwell <nathan@codesourcery.com>
1833 * stor-layout.c (update_alignment_for_field): Do not align
1835 (place_union_field): Place union field at the start of the union.
1836 (place_field): Move ERROR_MARK check later, and use the current
1837 allocation position to maintain monotonicity.
1839 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1841 * dominance.c: Include timevar.h.
1842 (calculate_dominance_info): Use TV_DOMINANCE.
1843 * timevar.def (TV_DOMINANCE): New timevar.
1844 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1846 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1848 PR rtl-optimization/14261
1849 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1850 move would be an INSV insn.
1851 (noce_process_if_block): Don't optimize if the destination is a
1852 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1854 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1856 * config/s390/s390.md: Add comments with the instructions emitted
1857 by an insn pattern if macros are used.
1859 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1861 PR rtl-optimization/26026
1862 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1863 is a known power of two shifted left a variable amount.
1865 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1867 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1868 to hash table twice when the debug_str section has SECTION_MERGE.
1870 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1872 * config/soft-fp: New directory. From glibc.
1873 * config/soft-fp/t-softfp: New.
1874 * config/soft-fp/README: New.
1875 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1876 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1877 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1878 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1879 * config.gcc: Use rs6000/t-fprules-fpbit or
1880 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1882 * config/rs6000/sfp-machine.h: New. Based on glibc.
1883 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1885 * config/rs6000/t-fprules: Remove fp-bit rules.
1886 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1887 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1888 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1889 (softfp_wrap_start, softfp_wrap_end): New.
1891 2006-04-18 DJ Delorie <dj@redhat.com>
1893 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1895 2006-04-18 Devang Patel <dpatel@apple.com>
1897 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1899 2006-04-18 Nick Clifton <nickc@redhat.com>
1901 * config/sh/t-symbian: Add rule to build sh-c.o
1902 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1903 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1904 (sh_symbian_encode_section_info): Likewise.
1906 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1908 * builtins.c (expand_builtin_strcmp): Cover label definition of
1909 do_libcall with HAVE_cmpstrnsi.
1911 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1913 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1915 * function.h (temp_slot_p): New.
1916 (function): Change the type of x_used_temp_slots to
1917 VEC(temp_slot_p,gc) *.
1919 2006-04-18 Nick Clifton <nickc@redhat.com>
1921 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1922 flag_strength_reduce.
1924 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1926 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1930 Partial revert of revision 112637
1931 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1932 Dale Johannesen <dalej@apple.com>
1935 * regclass.c (struct reg_pref): Update documentation.
1936 (regclass): Set prefclass to NO_REGS if memory is the best option.
1937 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1939 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1941 PR tree-optimization/26821
1942 * tree-ssa-math-opts.c (get_constant_one): New.
1943 (insert_reciprocals): Use it.
1945 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1947 * dwarf2out.c (free_AT): Delete.
1948 (remove_AT): Update string ref counts.
1949 (remove_child_TAG): Don't call free_die.
1951 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1952 or DW_TAG_GNU_EINCL.
1953 (prune_unused_types_walk_attribs): Reset string refcounts.
1954 (prune_unused_types_update_strings): New.
1955 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1956 call free_die. Do call prune_unused_types_update_strings.
1957 (prune_unused_types): Empty debug_str_hash.
1959 2006-04-17 Roger Sayle <roger@eyesopen.com>
1961 * expr.c (expand_assignment): Optimize away no-op moves where the
1962 source and destination are equal and have no side-effects.
1964 2006-04-17 Richard Guenther <rguenther@suse.de>
1967 * reload.c (push_reload): Guard calls to get_secondary_mem
1970 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1972 * alias.c (reg_base_value, old_reg_base_value): Change the
1973 type to VEC(rtx,gc) *.
1974 (REG_BASE_VALUE, find_base_value, record_set,
1975 init_alias_analysis): Use VEC instead of VARRAY.
1977 * alias.c (alias_sets): Change the type to
1978 VEC(alias_set_entry,gc) *.
1979 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1980 VEC instead of VARRAY.
1981 (last_alias_set): Remove.
1983 * cgraph.h (cgraph_edge_p): New.
1984 Update the prototype of cgraph_function_versioning.
1985 * cgraphunit.c (cgraph_copy_node_for_versioning,
1986 cgraph_function_versioning): Use VEC instead of VARRAY.
1987 * ipa-cp.c (ipcp_insert_stage): Likewise.
1989 2006-04-16 Roger Sayle <roger@eyesopen.com>
1992 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1993 "A op B" or "A op C", we may need to convert A to the type of B and C.
1995 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1997 * target.h (struct gcc_target): Add mode_rep_extended.
1998 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1999 (init_num_sign_bit_copies_in_rep): Initialize it using
2001 (truncate_to_mode): Use it.
2002 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2003 * targhooks.h (default_mode_rep_extended): Declare it.
2004 * targhooks.c (default_mode_rep_extended): Define it.
2005 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2006 default_mode_rep_extended.
2007 (TARGET_INITIALIZER): Include it.
2008 * doc/tm.texi (Misc): Document it.
2009 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2010 (mips_truncated_to_mode): New function.
2012 2006-04-16 Roger Sayle <roger@eyesopen.com>
2015 * expr.c (compress_float_constant): Copy the narrow constant into
2016 a new pseudo before extending it to its final width.
2018 2006-04-16 Roger Sayle <roger@eyesopen.com>
2019 Andrew Pinski <pinskia@gcc.gnu.org>
2020 Dale Johannesen <dalej@apple.com>
2023 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2024 special case code to implement V8HImode and V16QImode with SSE2.
2026 2006-04-15 Roger Sayle <roger@eyesopen.com>
2028 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2029 trees are constructed with a suitable tree type.
2031 2006-04-15 Roger Sayle <roger@eyesopen.com>
2033 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2034 (integer_onep): Likewise.
2035 (integer_all_onesp): Likewise.
2036 (integer_pow2p): Likewise.
2037 (integer_nonzerop): Likewise.
2038 (real_zerop): Likewise.
2039 (real_onep): Likewise.
2040 (real_twop): Likewise.
2041 (real_minus_onep): Likewise.
2042 (int_size_in_bytes): Likewise.
2043 (host_integerp): Likewise.
2045 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2047 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2048 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2049 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2051 * tree-ssa-structalias.h (alias_info): Remove num_references.
2053 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2055 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2056 (output_bvb patterns): Likewise.
2057 * pa.c (output_bb): Use 'bb' insn for long branch case.
2058 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2059 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2060 1. Correct length operand for alternatives 1 and 2.
2061 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2062 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2064 2006-04-14 Roger Sayle <roger@eyesopen.com>
2066 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2067 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2068 were accidentally reverted by r112959.
2070 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2073 * except.h (eh_region_outermost): New prototype.
2074 * except.c (eh_region_outermost): New function.
2075 * tree-cfg.c (find_outermost_region_in_block): Use it.
2077 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2079 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2081 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2082 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2083 (init_reload, reload): Use VEC instead of VARRAY.
2084 * reload.h: Update the prototype for
2085 reg_equiv_memory_loc_varray.
2087 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2088 Eric Botcazou <ebotcazou@libertysurf.fr>
2090 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2093 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2096 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2097 to expand fallback builtin function call.
2099 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2102 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2103 and emit libcall here in case the builtin fails.
2104 (expand_builtin_strcmp): Always emit the libcall here on failure.
2106 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2108 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2109 * flow.c (reg_n_info): Change the type to
2110 VEC(reg_info_p,heap) *.
2111 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2113 * regs.h (reg_info_p): New.
2114 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2115 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2116 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2119 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2121 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2123 * params.h (MAX_SCHED_READY_INSNS): New macro.
2124 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2125 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2126 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2127 the ready list for 1 cycle during the first scheduling pass.
2128 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2130 2006-04-13 Richard Henderson <rth@redhat.com>
2133 * gimple-low.c (lower_omp_directive): Remove dead code.
2134 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2135 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2136 * omp-low.c (struct omp_region): Move to tree-flow.h.
2137 (root_omp_region): Export.
2138 (omp_regions, lookup_omp_region): Remove.
2139 (determine_parallel_type): Update for struct omp_region changes.
2140 (dump_omp_region): Dump regions with block numbers.
2141 (new_omp_region): Take type and block instead of stmt; malloc
2143 (free_omp_region_1, free_omp_regions): New.
2144 (expand_parallel_call): Take entry_stmt as argument; update for
2145 changes to omp_region.
2146 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2147 (remove_exit_barriers): New.
2148 (expand_omp_parallel): Update for struct omp_region changes.
2149 (expand_omp_synch): Likewise.
2150 (expand_omp): Likewise.
2151 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2152 (expand_omp_for_static_chunk): Likewise.
2153 (expand_omp_for): Likewise.
2154 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2155 (expand_omp_sections): Similarly, with GOMP_sections_end.
2156 (expand_omp_single): New.
2157 (build_omp_regions_1): Update for OMP_CONTINUE.
2158 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2159 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2160 OMP_SECTIONS_SECTIONS.
2161 (lower_omp_single_simple): Don't emit barrier here.
2162 (lower_omp_single_copy): Likewise.
2163 (lower_omp_single): Fix bindings, and lower to straightline now.
2164 (lower_omp_master, lower_omp_ordered): Likewise.
2165 (lower_omp_critical): Likewise.
2166 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2167 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2168 omp edges, free it afterward.
2169 (make_omp_sections_edges): Remove.
2170 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2171 (move_stmt_r): Handle OMP_CONTINUE.
2172 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2173 statement pointers to basic blocks. Add type member.
2174 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2175 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2176 * tree-inline.c (estimate_num_insns_1): Likewise.
2177 * tree-pretty-print.c (dump_generic_node): Likewise.
2178 * tree-ssa-operands.c (get_expr_operands): Likewise.
2179 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2180 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2181 (OMP_CONTINUE): New.
2182 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2183 (OMP_SECTIONS_SECTIONS): Remove.
2184 (OMP_SECTION_LAST): New.
2185 (OMP_RETURN_NOWAIT): New.
2187 2006-04-13 Roger Sayle <roger@eyesopen.com>
2189 * fold-const.c (native_encode_vector, native_interpret_real):
2190 Correct obvious mistakes in the previous check-in.
2192 2006-04-13 Roger Sayle <roger@eyesopen.com>
2194 * fold-const.c (native_encode_expr): New function to encode
2195 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2196 or VECTOR_CST into a specified buffer.
2197 (native_encode_int): New function.
2198 (native_encode_real): New function.
2199 (native_encode_complex): New function.
2200 (native_encode_vector): New function.
2201 (native_interpret_expr): Inverse of native_encode_expr to convert
2202 a target representation into an INTEGER_CST, REAL_CST etc...
2203 (native_interpret_int): New function.
2204 (native_interpret_real): New function.
2205 (native_interpret_complex): New function.
2206 (native_interpret_vector): New function.
2207 (fold_view_convert_expr): New function to constant fold/evaluate
2208 a VIEW_CONVERT_EXPR of a suitable constant expression.
2209 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2210 Change call of build1 to fold_build1 when constructing a
2213 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2214 Ulrich Weigand <uweigand@de.ibm.com>
2217 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2220 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2223 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2224 optimize to lo_sum for DFmode if !TARGET_FPRS.
2226 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2228 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2229 delete_alias_info, compute_flow_sensitive_aliasing,
2230 group_aliases): Use VEC instead of VARRAY.
2231 * tree-ssa-structalias.c (update_alias_info): Likewise.
2232 * tree-ssa-structalias.h (alias_info): Change the type of
2233 processed_ptrs to VEC(tree,heap) *.
2235 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2238 * config/sh/lib1funcs.h: New file, broken out of:
2239 * config/sh/lib1funcs.asm.
2240 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2242 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2243 * config/sh/lib1funcs-Os-4-200.asm: New file.
2244 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2245 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2246 (EXTRA_MULTILIB_PARTS): Include it.
2247 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2248 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2249 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2250 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2253 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2255 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2256 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2257 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2259 * tree-ssa-live.h: Include vecprim.h.
2260 (tree_partition_associator_d): Change the type of
2261 first_partition to VEC(int,heap) *.
2262 (tpa_first_partition): Use VEC instead of VARRAY.
2264 * Makefile.in (GTFILES): Move functions.h after tree.h.
2265 * function.c (reset_block_changes, record_block_change,
2266 check_block_change, free_block_changes): Use VEC instead of
2268 * function.h (function): Change the type of
2269 ib_boundaries_block to VEC(tree,gc) *.
2270 * tree-inline.c (copy_cfg_body): Initialize
2271 ib_boundaries_block to NULL instead of (varray_type) 0.
2273 2006-04-12 Roger Sayle <roger@eyesopen.com>
2275 * expr.c (emit_group_store): Correct operand order in call to
2276 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2277 a SUBREG_BYTE of zero.
2279 2006-04-12 Richard Guenther <rguenther@suse.de>
2281 * profile.c (compute_branch_probabilities): Remove code
2282 encapsulated in !ir_type (), which are remanents of the
2283 removed RTL profiling code.
2284 * rtl-profile.c: Remove.
2286 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2288 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2289 magic NULL_RTX comment.
2290 (function_arg): Store entire fp arg to mem if any part should go
2292 (rs6000_arg_partial_bytes): Adjust for above change.
2294 2006-04-11 Roger Sayle <roger@eyesopen.com>
2296 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2297 if it hasn't been initialized by dwarf2out_init.
2299 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2301 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2302 symbolic constants in branch patterns.
2304 2006-04-11 Roger Sayle <roger@eyesopen.com>
2306 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2308 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2310 PR rtl-optimization/27073
2311 * gcse.c (try_replace_reg): Revert last change. Continue to search
2312 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2315 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2317 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2318 aggregate types other than record and union types.
2319 (function_arg): Likewise.
2320 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2322 (function_value): In 64-bit mode, return objects that require it
2325 2006-04-11 Roger Sayle <roger@eyesopen.com>
2327 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2329 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2331 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2333 2006-04-03 Jeff Law <law@redhat.com>
2336 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2337 alias information too.
2339 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2341 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2343 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2346 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2347 (premark_used_types_helper): New.
2348 (premark_used_types): New.
2349 (gen_subprogram_die): Call premark_used_types.
2350 (prune_unused_types_walk): Do not prune perennial dies.
2351 * function.c (used_types_insert): New.
2352 * function.h (struct function): Add used_types_hash field.
2353 (used_types_insert): Add prototype.
2354 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2355 * c-parser.c (c_parser_cast_expression): Save casted types in used
2358 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2361 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2362 rs6000_explicit_options.float_gprs.
2364 2006-04-10 Roger Sayle <roger@eyesopen.com>
2366 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2367 from ix86_expand_vector_init_low_nonzero. Take an additional
2368 one_var argument indicating which element is non-zero. Support
2369 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2370 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2371 with one_var instead of ix86_expand_vector_init_low_nonzero.
2373 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2375 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2376 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2377 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2378 build/genextract.o): Depend on vecprim.h.
2379 * cfglayout.c, df-problems.c, function.c, genextract.c,
2380 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2381 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2385 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2387 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2388 Declare VECs of this type.
2389 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2390 (remove_children): Delete.
2391 (add_dwarf_attr): Use VEC routines.
2392 (add_AT_flag): Update for changes to add_dwarf_attr.
2393 (add_AT_int): Likewise.
2394 (add_AT_unsigned): Likewise.
2395 (add_AT_long_long): Likewise.
2396 (add_AT_vec): Likewise.
2397 (add_AT_string): Likewise.
2398 (add_AT_die_ref): Likewise.
2399 (add_AT_fde_ref): Likewise.
2400 (add_AT_loc): Likewise.
2401 (add_AT_loc_list): Likewise.
2402 (add_AT_addr): Likewise.
2403 (add_AT_lbl_id): Likewise.
2404 (add_AT_lineptr): Likewise.
2405 (add_AT_macptr): Likewise.
2406 (add_AT_offset): Likewise.
2407 (add_AT_range_list): Likewise.
2408 (get_AT): Use VEC_iterate.
2409 (remove_AT): Use VEC_ordered_remove.
2410 (free_die): Fold remove_children into here; have it use VEC_iterate.
2411 (print_die): Use VEC_iterate on attrs.
2412 (reverse_die_lists): Don't reverse attr lists.
2413 (die_checksum): Use VEC_iterate on attrs.
2414 (same_die_p): Likewise.
2415 (output_location_lists): Likewise.
2416 (build_abbrev_table): Likewise.
2417 (size_of_die): Likewise.
2418 (unmark_all_dies): Likewise.
2419 (output_abbrev_section): Likewise.
2420 (output_die): Likewise.
2421 (prune_unused_types_walk_attribs): Likewise.
2423 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2425 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2427 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2430 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2432 2006-04-09 Roger Sayle <roger@eyesopen.com>
2434 * expr.c (store_constructor): Don't bother clearing target if
2435 we're about to assign a vector to it using vec_init_optab.
2437 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2439 * tree-ssa-alias.c (lhs_may_store_to): New function.
2440 (recalculate_used_alone): Handle LHS of calls.
2442 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2446 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2447 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2448 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2449 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2450 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2451 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2452 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2453 stubs. Add ".align 8" directives before all ".dword" directives.
2454 (GTHREAD_USE_WEAK): Revise comment.
2455 (TARGET_ATTRIBUTE_WEAK): Define.
2456 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2457 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2458 * stublib.c: New file.
2463 * pa.md (cbranch patterns): Revise arguments used in calls to
2464 output_cbranch, output_bb and output_bvd. Add long branch length
2466 (fbranch patterns): Handle long branches.
2467 (jump): Revise length check. Revise arguments for output_lbranch call.
2468 Add long branch length attributes.
2469 (decrement_and_branch_until_zero): Add long branch length attributes.
2470 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2471 Likewise. Revise arguments for output_parallel_addb and
2472 output_parallel_movb calls.
2473 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2474 output_parallel_movb and output_parallel_addb): Update prototypes.
2475 * pa.c (output_cbranch): Revise arguments. Correct handling of
2476 nullification in long branches.
2477 (output_lbranch): Add new argument to control extraction of delay
2479 (output_bb): Handle long branches.
2480 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2481 output_parallel_addb): Likewise.
2483 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2485 PR rtl-optimization/27073
2486 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2489 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2491 * tree.h (tree_memory_tag): Add old_used_alone.
2492 (SMT_OLD_USED_ALONE): New macro.
2493 * tree-ssa-alias.c (recalculate_used_alone): Stop
2494 marking things for renaming unnecessarily.
2496 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2498 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2499 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2500 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2501 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2502 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2503 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2504 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2505 spelling convensions.
2506 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2507 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2508 typos. Follow spelling conventions.
2510 2006-04-07 DJ Delorie <dj@redhat.com>
2512 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2513 passed on the stack.
2514 (m32c_init_cumulative_args): When a function returns a structure,
2515 always pass the pointer to that return area on the stack.
2516 (m32c_function_arg_advance): Don't increment the parameter number
2517 if we're processing the returned structure pointer.
2518 (pushm_info): Reverse order of registers.
2520 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2522 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2523 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2524 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2525 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2527 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2528 chrec_fold_multiply): Same.
2529 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2530 force_expr_to_var_cost): Same.
2531 * tree-mudflap.c (mf_xform_derefs_1): Same.
2532 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2534 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2536 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2537 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2540 2006-04-07 Jan Hubicka <jh@suse.cz>
2542 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2544 2006-04-07 Richard Guenther <rguenther@suse.de>
2546 PR tree-optimization/26135
2547 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2548 loads for store copy-prop.
2549 (copy_prop_visit_stmt): Likewise.
2551 2006-04-05 Robert Millan <robertmh@gnu.org>
2553 * config/i386/linux.h: Add a comment to mark macros that are
2554 being overriden in config/k*bsd-gnu.h.
2555 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2557 * config/knetbsd-gnu.h: Ditto.
2559 2006-04-06 Jan Hubicka <jh@suse.cz>
2563 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2566 2006-04-06 Mike Stump <mrs@apple.com>
2568 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2569 for HAVE_nonlocal_goto to be consistent.
2570 (expand_builtin_nonlocal_goto): Likewise.
2571 (expand_builtin_strcmp): Use #ifdef instead of #if
2572 for HAVE_cmpstrnsi to be consistent.
2574 2006-04-05 DJ Delorie <dj@redhat.com>
2576 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2579 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2581 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2582 got-relative addressing for anything but SImode.
2584 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2585 even if the calling function doesn't modify them.
2587 2006-04-05 Richard Guenther <rguenther@suse.de>
2589 PR tree-optimization/26919
2590 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2591 to cgraph_estimate_size_after_inlining.
2593 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2595 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2597 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2599 PR tree-optimization/26996
2600 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2601 VECTOR_TYPE variables.
2603 2006-04-05 Richard Guenther <rguenther@suse.de>
2605 PR tree-optimization/26763
2606 * fold-const.c (fold_comparison): Move folding of
2607 PTR + CST CMP PTR + CST ...
2608 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2610 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2612 * doc/install.texi (Prerequisites): Refine some wording on
2613 bootstrapping and ksh.
2614 Move the version numbers of DejaGnu here from the testing section
2615 and fix casing of names.
2616 Fix markup and clarify wording for autogen requirements.
2617 Refer to GCJ instead of just java.
2618 Refer to SVN instead of CVS.
2619 Describe diffutils as useful instead of necessary.
2620 (Downloading the source): Refer to SVN instead of CVS.
2621 Adjust a link to our web site accordingly.
2622 (Configuration): Fix casing of Bison.
2623 (Building): Refer to SVN instead of CVS.
2624 Fix a sentence on the use of Bison and remove duplicate (and
2625 incorrect) version number of Bison requirement.
2626 Remove one redundant list of packages needed for building.
2627 (Specific): Avoid reference to CVS.
2629 2006-04-04 Eric Christopher <echristo@apple.com>
2631 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2632 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2633 (rs6000_handle_struct_attribute): New.
2634 (rs6000_ms_bitfield_layout_p): Ditto.
2636 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2638 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2639 NULL for dso parameter to atexit_common.
2641 2006-04-04 Eric Christopher <echristo@apple.com>
2643 * config/i386/i386.c (machopic_output_stub): Output \t
2644 between instructions and operands.
2646 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2648 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2649 satisfies_constraint_[IL] to explicit tests on value.
2651 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2653 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2654 set_nb_iterations_in_loop): Use build_int_cst instead of
2656 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2657 build_int_cst instead of convert.
2659 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2661 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2662 new value 2 for incoming.
2663 * function.c (expand_function_start): Call struct_value_rtx
2665 * config/sparc/sparc.md: Comment updated_return.
2666 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2667 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2668 struct return if sparc_std_struct_return and incoming is 2.
2669 (print_operand): Do not adjust return if
2670 sparc_std_struct_return.
2672 2006-04-04 Roger Sayle <roger@eyesopen.com>
2674 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2675 convert in the middle-end.
2676 * expr.c (store_expr, store_constructor, get_inner_reference,
2677 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2679 * tree.c (build_range_type): Likewise.
2681 2006-04-04 Tom Tromey <tromey@redhat.com>
2683 * doc/install.texi (Prerequisites): Mention jar.
2685 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2687 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2690 2006-04-04 Matthias Klose <doko@debian.org>
2692 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2693 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2696 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2698 * doc/extend.texi (Function Attributes): Rewrite visibility
2699 attribute documentation.
2700 * doc/invoke.texi (C++ Dialect Options): Rewrite
2701 -fvisibility-inlines-hidden documentation to describe something
2702 entirely different, although in practise compatible.
2703 (Code Gen Options): Warn about system headers in -fvisibiltity=
2706 * doc/extend.texi (Other Builtins): Document that
2707 __builtin_nan is a compile-time constant only when its argument
2710 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2712 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2713 trying to remove TRUNCATE check if all bits outside the new mode
2714 are identical to the sign bit.
2716 2006-04-03 Jeff Law <law@redhat.com>
2718 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2719 and operand scanning in some common cases.
2721 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2722 Dale Johannesen <dalej@apple.com>
2725 * regclass.c (struct reg_pref): Update documentation.
2726 (regclass): Set prefclass to NO_REGS if memory is the best option.
2727 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2728 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2729 into account. For non-registers, equate an empty preferred
2730 reload class to a `!' in the constraint; move the if clause to
2731 do so after those that reject the insn.
2732 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2734 (find_dummy_reload): Likewise.
2735 * doc/tm.texi (Register Classes): Document what it means
2736 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2737 * config/i386/i386.c (ix86_preferred_reload_class): Force
2738 using SSE registers (and return NO_REGS for floating-point
2739 constants) if math is done with SSE.
2740 (ix86_preferred_output_reload_class): New.
2741 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2742 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2743 * config/i386/i386.md: Remove # register preferences.
2745 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2748 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2749 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2750 the type of nb_iter.
2751 (instantiate_parameters_1): Convert the operands before calling
2752 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2753 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2755 2006-04-02 Roger Sayle <roger@eyesopen.com>
2757 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2758 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2760 * dojump.c (do_jump): Likewise.
2761 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2762 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2763 gimplify_boolean_expr): Likewise.
2764 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2765 * varasm.c (array_size_for_constructor): Likewise.
2766 * tree-object-size.c (compute_object_offset): Likewise.
2768 2006-04-02 Roger Sayle <roger@eyesopen.com>
2771 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2772 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2774 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2776 PR tree-optimization/26939
2777 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2779 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2781 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2782 at_stmt. Convert the type of operands before calling
2783 build_polynomial_chrec.
2784 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2786 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2787 (instantiate_parameters_1): Convert the type of operands before calling
2788 build_polynomial_chrec.
2789 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2790 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2791 reset_evolution_in_loop): Insert asserts to check the types of the
2793 (chrec_type): Moved...
2794 (eq_evolutions_p): Use operand_equal_p.
2795 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2796 the types of the operands.
2797 (chrec_type): ...here.
2798 * tree-data-ref.c (create_data_ref): Convert the operands before
2799 calling chrec_replace_initial_condition.
2800 (same_access_functions, analyze_subscript_affine_affine,
2801 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2802 (compute_subscript_distance, analyze_ziv_subscript,
2803 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2804 analyze_miv_subscript): Convert the operands before calling
2805 chrec_fold_minus or chrec_fold_plus.
2807 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2809 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2810 the dependence_relations vector.
2811 (compute_data_dependences_for_loop): Adjust call to
2812 compute_all_dependences.
2814 2006-04-01 Roger Sayle <roger@eyesopen.com>
2815 Richard Henderson <rth@redhat.com>
2817 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2818 gimple_boolify on the condition before calling gimplify_expr.
2820 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2822 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2823 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2824 the frame size. Update to use the new macros.
2825 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2826 * config/xtensa/ieee754-df.S: Likewise.
2828 2006-03-31 Richard Henderson <rth@redhat.com>
2830 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2831 (make_edges): ... here. Control fallthru creation with a local
2832 variable. Do not play with fake edges.
2833 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2834 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2837 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2839 * dwarf2.h (DW64_CIE_ID): Define.
2840 * dwarf2out.c (DWARF_CIE_ID): Define.
2841 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2842 length header. Use DWARF_CIE_ID.
2843 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2844 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2846 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2848 * config/sh/linux-atomic.asm: New file.
2849 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2851 2006-03-31 DJ Delorie <dj@redhat.com>
2853 * config/m32c/cond.md: Set condition flags properly throughout.
2854 * config/m32c/minmax.md: Likewise.
2855 * config/m32c/prologue.md: Likewise.
2856 * config/m32c/bitops.md: Likewise.
2857 * config/m32c/muldiv.md: Likewise.
2858 * config/m32c/mov.md: Likewise.
2859 * config/m32c/addsub.md: Likewise.
2860 * config/m32c/m32c.md: Likewise.
2861 * config/m32c/jump.md: Likewise.
2862 * config/m32c/shift.md: Likewise.
2864 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2865 conditionally output the pattern for this.
2866 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2867 (m32c_compare_redundant): New.
2868 (m32c_output_compare): New.
2869 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2871 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2872 dest, not src. Allow other 4-byte modes.
2874 2006-03-30 Denis Chertykov <denisc@overta.ru>
2876 * doc/md.texi: Refer to avr/constraints.md instead of
2879 2006-03-30 Roger Sayle <roger@eyesopen.com>
2881 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2882 signed vs. unsigned comparison failures on some hosts.
2884 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2887 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2888 change to FLOAT_REGS.
2890 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2891 (rs6000_override_options): Use it.
2892 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2893 only for -mabi=spe/no-spe and -mabi=altivec.
2895 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2897 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2900 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2902 * Makefile.in: Rename docdir to gcc_docdir.
2904 2006-03-30 Roger Sayle <roger@eyesopen.com>
2907 * expr.c (emit_group_store): Optimize group stores into a pseudo
2908 register by using a paradoxical subreg to initialize the destination
2909 if the first or last member of the group specifies a "low part".
2911 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2914 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2915 * target.h (struct gcc_target.speculate_insn): Change type of the
2916 second parameter to 'int'.
2917 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2918 the second operand of the DEPS_LIST.
2919 (copy_DEPS_LIST_list): Update reference to the second operand of the
2921 * rtl.h (alloc_DEPS_LIST): Update signature.
2922 * sched-int.h (ds_t): Change typedef to 'int'.
2923 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2925 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2927 * haifa-sched.c (try_ready): Change condition to restore
2928 non-speculative pattern of the instruction.
2929 (process_insn_depend_be_in_spec): Code to keep probability of the
2930 speculative dependence non-decreasing.
2932 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2934 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2935 (single_move_for_movmem): ... this. Also change all uses.
2936 (bfin_expand_strmov): Renamed to...
2937 (bfin_expand_movmem): ... this. Also change all uses.
2938 * config/bfin/bfin.md (movstrsi): Renamed to...
2939 (movstrsi): ...this.
2941 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2943 PR tree-optimization/26830
2945 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2946 (copy_prop_visit_stmt): Remove write-only variable ann.
2947 (init_copy_prop): Check variable loop depth here. Do not simulate
2948 memory-tag and virtual operand PHIs except for store copy prop.
2950 2006-03-30 Richard Guenther <rguenther@suse.de>
2952 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2953 variants with double arguments.
2955 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2957 * genpreds.c (write_tm_constrs_h): Delete variable p.
2958 * genconditions.c (write_header): Add tm-constrs.h to included
2960 * genpeep.c (main): Add toplev.h to included headers.
2961 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2962 (build/genpeep.o): Add toplev.h dependency.
2963 * config/rs6000/constraints.md: Add "W" constraint.
2965 2006-03-29 Roger Sayle <roger@eyesopen.com>
2967 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2968 sizes by correctly testing whether the size fits a host integer.
2969 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2970 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2971 SImode range for the default sizetype and bitsizetype.
2973 2006-03-29 Roger Sayle <roger@eyesopen.com>
2975 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2976 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2977 quickly if the argument is already of the correct type.
2978 Call fold_build1 instead of build1. Tidy up blank lines.
2980 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2982 * genemit.c (main): Add tm-constrs.h to included headers.
2983 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2984 * genpeep.c (main): Add tm-constrs.h to included headers.
2985 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2986 (write_tm_constrs_h): this and write complete file.
2987 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2988 (write_insn_preds_c): Add tm-constrs.h to included headers.
2989 (gen_constrs): New variable.
2990 (parse_option): Parse "-c".
2991 (main): Invoke write_tm_constrs_h.
2992 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2993 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2994 (object_out_file): Add tm-constrs.h dependency.
2995 (insn-emit.o): Same.
2996 (insn-output.o): Same.
2997 (insn-peep.o): Same.
2998 (insn-preds.o): Same.
2999 (insn-recog.o): Same.
3000 (tm-constsr.h): New target.
3001 (s-constrs-h): New target.
3003 * config/rs6000/constraints.md: New file.
3004 * config/rs6000/rs6000.c: Include tm-constrs.h.
3005 (num_insn_constant_wide): Convert to satisfies_constraint.
3006 (rs6000_rtx_costs): Convert to satisfies_constraint.
3007 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3008 (CONST_OK_FOR_LETTER_P): Delete.
3009 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3010 (EXTRA_CONSTRAINT): Delete.
3011 (EXTRA_MEMORY_CONSTRAINT): Delete.
3012 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3013 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3014 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3015 satisfies_constraint.
3017 * config/i386/i386.c: Include tm-constrs.h.
3019 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3021 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3022 * tree-data-ref.c (find_data_references_in_loop,
3023 compute_data_dependences_for_loop): Use pointers to VEC.
3024 (analyze_all_data_dependences): Adjust calls.
3025 * tree-data-ref.h (find_data_references_in_loop,
3026 compute_data_dependences_for_loop): Adjust declarations.
3027 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3028 compute_data_dependences_for_loop.
3030 2006-03-29 Paul Brook <paul@codesourcery.com>
3032 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3035 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3037 PR tree-optimization/26859
3038 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3040 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3041 for the step after fold_convert.
3043 2006-03-29 Paul Brook <paul@codesourcery.com>
3045 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3046 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3048 2006-03-29 Paul Brook <paul@codesourcery.com>
3051 * targhooks.c (default_narrow_bitfield): New fuction.
3052 * targhooks.h (default_narrow_bitfield): add prototype.
3053 * target.h (gcc_target): Add narrow_volatile_bitfield.
3054 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3055 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3056 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3057 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3059 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3061 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3063 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3064 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3065 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3066 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3067 (s390_function_arg_float): Allow SDmode and DDmode values to be
3068 passed in floating point registers.
3069 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3070 check with SCALAR_FLOAT_MODE_P.
3071 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3073 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3075 PR tree-optimization/25985
3076 * tree-ssa-loop-niter.c (number_of_iterations_le,
3077 number_of_iterations_ne): Make comments more precise.
3078 (number_of_iterations_cond): Add only_exit argument. Use the
3079 fact that signed variables do not overflow only when only_exit
3081 (loop_only_exit_p): New.
3082 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3083 number_of_iterations_cond.
3085 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3087 PR tree-optimization/26643
3088 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3091 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3093 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3094 (divsi3_i4_int): Likewise.
3096 2006-03-28 Roger Sayle <roger@eyesopen.com>
3098 * expr.c (emit_group_store): Only create a new pseudo reg if the
3099 quantity it needs to hold isn't already a suitable pseudo.
3101 2006-03-28 Jeff Law <law@redhat.com>
3103 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3104 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3106 2006-03-28 Roger Sayle <roger@eyesopen.com>
3108 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3109 the equivalent ~X & Y, and the symmetry related transformations.
3110 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3111 ~X & Y, and symmetry related transforms.
3113 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3115 Revert my 2006-03-27 patches.
3117 2006-03-28 Roger Sayle <roger@eyesopen.com>
3119 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3120 ~(T1)X, when T1 and T2 are integer types of the same precision
3121 and (T2)X isn't an extension.
3123 2006-03-28 Jeff Law <law@redhat.com>
3125 PR tree-optimization/26796
3126 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3127 need EH edge cleanups rather than purging them immediately.
3128 (eliminate_degenerate_phis): Handle queued EH cleanups.
3130 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3132 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3135 2006-03-27 Roger Sayle <roger@eyesopen.com>
3138 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3139 cast BIT_NOT_EXPR operand to the correct type.
3141 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3143 * tree-loop-linear.c: Don't include varray.h.
3144 (gather_interchange_stats, try_interchange_loops,
3145 linear_transform_loops): Use VEC instead of VARRAY.
3146 * lambda-mat.c: Don't include varray.h.
3147 * tree-chrec.c: Same.
3148 * lambda-trans.c: Same.
3149 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3150 VEC instead of VARRAY.
3151 * tree-vectorizer.h: Idem.
3152 * tree-data-ref.c (dump_data_references,
3153 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3154 initialize_data_dependence_relation, finalize_ddr_dependent,
3155 compute_all_dependences, find_data_references_in_loop,
3156 compute_data_dependences_for_loop, analyze_all_data_dependences,
3157 free_dependence_relation, free_dependence_relations,
3158 free_data_refs): Idem.
3159 * tree-data-ref.h (data_reference_p, subscript_p): New.
3160 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3161 VEC instead of VARRAY.
3162 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3163 (find_data_references_in_loop, compute_data_dependences_for_loop,
3164 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3165 dump_data_dependence_relations, free_dependence_relations,
3166 free_data_refs): Adjust declaration.
3167 (lambda_transform_legal_p): Move declaration here...
3168 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3169 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3170 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3171 vect_analyze_data_refs): Use VEC instead of VARRAY.
3172 * lambda.h (lambda_transform_legal_p): ...from here.
3173 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3174 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3175 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3176 tree-chrec.o): Don't depend on VARRAY_H.
3178 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3180 * rtl.def (Copyright): Update date.
3181 (DEPS_LIST): Change type of the second operand to 'int'.
3182 * target.h (Copyright): Update date.
3183 (struct gcc_target.speculate_insn): Change type of the second parameter
3185 * lists.c (Copyright): Update date.
3186 (alloc_DEPS_LIST): Change signature. Update reference to the second
3187 operand of the DEPS_LIST.
3188 (copy_DEPS_LIST_list): Update reference to the second operand of the
3190 * rtl.h (Copyright): Update date.
3191 (alloc_DEPS_LIST): Update signature.
3192 * sched-int.h (Copyright): Update date.
3193 (ds_t): Change typedef to 'int'.
3194 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3196 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3198 * haifa-sched.c (Copyright): Update date.
3199 (try_ready): Change condition to restore non-speculative pattern
3201 (process_insn_depend_be_in_spec): Code to keep probability of the
3202 speculative dependence non-decreasing.
3204 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3206 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3207 shut up the compiler.
3209 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3211 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3212 to use lib prefix for target.
3213 ($(T)libic_invalidate_array_4-200.a): Likewise.
3214 ($(T)libic_invalidate_array_4a.a): Likewise.
3216 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3217 J"orn Rennecke <joern.rennecke@st.com>
3219 * superh.opt: New file.
3220 * sh.c (boardtype, osruntime): Remove.
3221 * superh.h (SUBTARGET_OPTIONS): Remove.
3222 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3224 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3225 arguments with ^ and/or [].
3227 * config.gcc (sh-*-*): Add quoting to account for quirk of
3229 Replace == with = in enable_incomplete_targets test.
3231 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3232 with MASK_LITTLE_ENDIAN.
3234 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3235 * config/sh/sh.opt: Added to some comments.
3236 * config/sh/superh.h: Removed some chaff.
3238 * config/sh/sh.opt: Add m4-[1234]00* options.
3239 * config/sh/sh.c (sh_handle_option): Likewise.
3240 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3241 (ic_invalidate_array_4-100.o): New rule.
3242 ($(T)libic_invalidate_array_4-100.a): Likewise.
3243 (ic_invalidate_array_4-200.o): Likewise.
3244 ($(T)libic_invalidate_array_4-200.a): Likewise.
3245 (ic_invalidate_array_4a.o): Likewise.
3246 ($(T)libic_invalidate_array_4a.a): Likewise.
3247 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3248 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3250 * config/sh/crt1.asm: Merged in profiling code.
3251 * config/sh/superh.h (STARTFILE_SPEC): Override.
3252 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3253 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3254 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3256 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3257 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3258 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3260 * sh.opt (mpretend-cmove): New option.
3261 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3262 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3263 (movsicc): Add TARGET_PRETEND_CMOVE code.
3265 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3267 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3268 s390_class_max_nregs): New function prototypes.
3269 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3270 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3271 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3272 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3274 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3276 * dwarf2out.c (add_location_or_const_value_attribute): Call
3277 tree_add_const_value_attribute if nothing else works.
3278 (reference_to_unused): New.
3279 (rtl_for_decl_init): Use reference_to_unused to decide whether
3280 to output an initializer.
3282 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3285 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3286 peephole removing spe frob_di_df_2.
3288 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3290 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3291 (subscript_dependence_tester_1): Declared.
3292 (print_dir_vectors, print_dist_vectors): New.
3293 (debug_data_dependence_relation): New.
3294 (dump_data_dependence_relation): Print more details.
3295 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3296 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3297 (save_dist_v, save_dir_v, add_outer_distances,
3298 build_classic_dist_vector_1): New.
3299 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3300 Don't test for lambda_vector_lexico_pos.
3301 (same_access_functions, add_multivariate_self_dist,
3302 add_other_self_distances, dir_from_dist): New.
3303 (build_classic_dir_vector): Replace implementation almost identical to
3304 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3306 (subscript_dependence_tester_1): New.
3307 (subscript_dependence_tester): Handle the lexicographically negative
3308 distance vectors by recomputing the dependence relation.
3309 (compute_affine_dependence): Remove parameter loop_nest_depth.
3310 (compute_self_dependence): Don't call compute_subscript_distance.
3311 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3312 Add a parameter for the loop_nest.
3313 (find_loop_nest_1, find_loop_nest): New.
3314 (compute_data_dependences_for_loop): Compute the loop nest, and give
3315 up if the nest is not well formed.
3316 * tree-data-ref.h (loop_p): New.
3317 (struct data_dependence_relation): Replace size_vect field with
3318 loop_nest, a vec of loops.
3319 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3320 (DDR_LOOP_NEST): New.
3321 (print_dir_vectors, print_dist_vectors,
3322 debug_data_dependence_relation): Declared.
3323 (index_in_loop_nest): New.
3324 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3325 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3328 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3330 * simplify-rtx.c (simplify_relational_operation): Call
3331 simplify_relational_operation_1 even if mode is VOIDmode.
3333 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3335 PR tree-optimization/26804
3336 * tree.h (DECL_CALL_CLOBBERED): New macro.
3337 (tree_decl_common): Add call_clobbered_flag.
3338 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3339 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3340 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3341 (mark_non_addressable): Ditto.
3342 * tree-ssa.c (verify_call_clobbered): New function.
3343 (verify_alias_info): Use it.
3344 * tree-pass.h (pass_reset_cc_flags): New prototype.
3345 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3346 (reset_cc_flags): New function.
3347 * passes.c (init_optimization_passes): Call reset_cc_flags after
3348 initializing referenced_vars.
3350 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3351 Roger Sayle <roger@eyesopen.com>
3354 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3355 to 1.0 for non-real operands. Implement A / A optimization for
3358 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3360 * config/i386/i386.c (size_cost): Correct the comment for
3361 cost of storing fp registers.
3362 (i386_cost): Likewise.
3363 (i486_cost): Likewise.
3364 (pentium_cost): Likewise.
3365 (pentiumpro_cost): Likewise.
3366 (k6_cost): Likewise.
3367 (athlon_cost): Likewise.
3368 (k8_cost): Likewise.
3369 (pentium4_cost): Likewise.
3370 (nocona_cost): Likewise.
3371 (generic64_cost): Likewise.
3372 (generic32_cost): Likewise.
3374 2006-03-24 Denis Chertykov <denisc@overta.ru>
3376 * config/avr/avr-protos.h (extra_constraint): Delete.
3377 (extra_constraint_Q): New declaration.
3378 * config/avr/constraints.md: New file.
3379 * config/avr/avr.md: Include it.
3380 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3381 (TMP_REGNO, ZERO_REGNO): Likewise.
3382 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3383 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3384 (extra_constraint): Delete.
3385 (extra_constraint_Q): Test for memory constraint 'Q'.
3386 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3387 (REG_CLASS_FROM_LETTER): Delete.
3388 (CONST_OK_FOR_LETTER_P): Delete.
3389 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3390 (EXTRA_CONSTRAINT): Delete.
3391 (TMP_REGNO): Delete.
3392 (ZERO_REGNO): Delete.
3394 2006-03-24 Jeff Law <law@redhat.com>
3396 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3397 directly. Call mark_new_vars_to_rename slightly earlier.
3399 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3401 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3403 (gen_compile_unit_die): Use new language types for Objective-C and
3405 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3406 DW_LANG_C_plus_plus.
3409 * config/t-darwin (crt3.o): Work around bug 26840.
3410 * config/darwin-crt3.c: Rewrite.
3411 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3413 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3415 * doc/invoke.texi: Document -femit-class-debug-always
3416 * common.opt: Add -femit-class-debug-always.
3418 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3420 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3421 index and base register.
3422 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3423 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3424 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3425 REGNO_OK_FOR_INDEX_P.
3426 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3428 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3429 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3430 REG_OK_FOR_BASE_P): Definitions removed.
3432 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3435 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3436 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3437 set yet or weren't marked as local yet.
3439 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3441 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3444 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3446 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3447 (rs6000_legitimate_small_data_p): Delete.
3448 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3449 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3450 and make static. Add forward declaration. Update uses.
3451 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3452 of offsettable_memref_p.
3453 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3454 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3456 2006-03-24 Jeff Law <law@redhat.com>
3458 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3459 around bug in immediate-use iterator.
3461 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3464 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3465 or __LITTLE_ENDIAN__.
3467 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3469 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3470 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3471 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3472 * config/sh/sh.opt (mdiv=): Amend description.
3473 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3474 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3475 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3476 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3477 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3478 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3479 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3480 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3481 TARGET_DIVIDE_CALL_FP.
3483 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3485 * haifa-sched.c (choose_ready): Fix type of the local variable.
3486 Move local variables. Add comment.
3487 (check_reg_live): Change signature. Make callable from debugger.
3488 * sched-int.h (check_reg_live): Update signature.
3489 * sched-ebb.c (check_reg_live): Update parameters.
3490 * sched-rgn.c (check_reg_live): Ditto.
3491 (region_head_or_leaf_p): Check pointer before dereferencing.
3492 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3493 before reload on optimization levels below 1.
3495 2006-03-23 Richard Henderson <rth@redhat.com>
3497 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3501 * config/alpha/predicates.md (local_symbolic_operand): Reject
3504 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3507 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3508 expressions which have overflowed constants.
3510 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3512 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3514 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3516 * cfgloopmanip.c (create_loop_notes): Removed.
3517 * final.c (final_scan_insn): Do not handle loop notes.
3518 * jump.c (squeeze_notes): Ditto.
3519 * cfglayout.c (skip_insns_after_block,
3520 duplicate_insn_chain): Ditto.
3521 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3523 * cfgloop.h (create_loop_notes): Declaration removed.
3525 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3527 * varasm.c (output_constant_pool): Restore fnname and fndecl
3529 (assemble_start_function): Adjust call accordingly.
3530 (assemble_end_function): Likewise.
3532 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3535 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3538 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3540 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3543 * system.h (ICE_EXIT_CODE): New macro.
3544 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3545 (diagnostic_action_after_output): Likewise.
3546 * gcc.c (fatal_ice): New function.
3547 (execute): Use it instead of fatal.
3548 (fancy_abort): Likewise.
3549 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3551 2006-03-22 Jeff Law <law@redhat.com>
3553 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3554 iv_analyze_result returning false.
3556 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3558 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3560 2006-03-22 Richard Henderson <rth@redhat.com>
3563 * except.c (duplicate_eh_regions_0): New.
3564 (duplicate_eh_region_1): Duplicate the children of the node as
3565 well as the node itself. Link them up properly.
3566 (duplicate_eh_region_2): Merge into ...
3567 (duplicate_eh_regions): ... here. Take copy_region argument, and
3568 copy only a sub-tree if asked. Simplify copying and fixup.
3569 (eh_region_outer_p): New.
3570 * except.h (duplicate_eh_regions): Update decl.
3571 (eh_region_outer_p): Declare.
3572 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3573 (lower_omp_master): Likewise.
3574 (lower_omp_ordered): Likewise.
3575 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3576 (move_stmt_r): Use it to remap labels. Handle recursion vs
3577 remap_decls_p properly.
3578 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3579 (find_outermost_region_in_block): New.
3580 (new_label_mapper): New.
3581 (move_sese_region_to_fn): Copy eh information to the new function
3583 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3585 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3588 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3590 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3591 into shared libraries.
3593 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3595 * doc/md.texi: Refer to i386/constraints.md instead of
3597 * config/i386/constraints.md: New file, extracted from...
3598 * config/i386/predicates.md: ...here.
3599 * config/i386/i386.md: Include constraints.md.
3601 2006-03-21 Jason Merrill <jason@redhat.com>
3603 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3606 * expr.c (init_block_move_fn): Force default visibility.
3607 (init_block_clear_fn): Likewise.
3608 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3609 * targhooks.c (default_external_stack_protect_fail): Likewise.
3611 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3613 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3614 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3615 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3616 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3617 (loadgp): Use mips_current_loadgp_style.
3618 (loadgp_noshared): New pattern.
3619 (sibcall_internal): Use MIPS_CALL.
3620 (sibcall_value_internal): Likewise.
3621 (sibcall_value_multiple_internal): Likewise.
3622 (call_internal): Likewise.
3623 (call_value_internal): Likewise.
3624 (call_value_multiple_internal): Likewise.
3625 (call_split): Use MIPS_CALL and add an 'S' constraint.
3626 (call_value_split): Likewise.
3627 (call_value_multiple_split): Likewise.
3628 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3629 (-mshared): New option.
3630 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3631 (mips_current_loadgp_style): Declare.
3632 * config/mips/mips.c (mips_classify_symbol): Avoid using
3633 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3634 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3635 TARGET_ABSOLUTE_ABICALLS.
3636 (override_options): Adjust comments. Improve the warning that is
3637 issued when -mabicalls and -G are used together.
3638 (mips_file_start): Remove comment.
3639 (mips_current_loadgp_style): New function.
3640 (mips_gnu_local_gp): New variable.
3641 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3643 (mips_output_function_prologue): Use mips_current_laodgp_style.
3644 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3645 the cprestore instruction.
3646 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3647 live for TARGET_ABSOLUTE_ABICALLS.
3648 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3649 (ASM_SPEC): Pass down -mshared and -mno-shared.
3650 (MIPS_CALL): New macro.
3651 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3653 * doc/invoke.texi (-mabicalls): Update documentation.
3654 (-mshared): Document.
3656 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3658 * config/ia64/unwind-hpux.c: New file.
3659 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3661 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3664 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3666 2006-03-21 Jeff Law <law@redhat.com>
3668 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3669 type conversions of a VR_VARYING source to a wider type.
3671 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3673 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3674 tm_file on Solaris 10 and later.
3675 (sparc64-*-solaris2*): Likewise.
3676 (sparc-*-solaris2*): Likewise.
3677 * config/sol26.h: Rename to config/sol2-6.h.
3678 * config/sol2-10.h: New file.
3680 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3683 * tree-ssa-pre.c (create_component_ref_by_pieces):
3686 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3689 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3690 return it immediately.
3692 2006-03-21 Michael Matz <matz@suse.de>
3694 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3696 (remove_arc, add_arc): Update num_out_arcs member.
3697 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3699 (cache_presence): New function.
3700 (compare_states_for_equiv): New function.
3701 (state_is_differed): Don't take number of outargs, adjust callers.
3702 Use new invariant for speeding up.
3703 (init_equiv_class): Create initial classes based on sorted
3705 (partition_equiv_class): Don't track out_arcs_num.
3706 (evaluate_equiv_classes): Call cache_presence on all states and
3709 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3711 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3712 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3713 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3714 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3716 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3717 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3718 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3719 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3720 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3722 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3723 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3724 (REGNO_REG_CLASS): ARGP is in PREGS.
3725 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3727 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3728 to deal with those addresses.
3729 * addresses.h: New file.
3730 * caller-save.c: Include "addresses.h".
3731 (init_caller_save): Use new base_reg_class function.
3732 * rtl-factoring.c: Include "addresses.h".
3733 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3734 * recog.c: Include "addresses.h".
3735 (preprocess_constraints): Use new base_reg_class function.
3736 * regrename.c: Include "addresses.h".
3737 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3738 functions. Keep track of a new var INDEX_CODE to compute valid
3740 (replace_oldest_value_addr): Likewise.
3741 (replace_oldest_value_mem): Use base_reg_class.
3742 * reload.c: Include "addresses.h".
3743 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3744 (find_reloads): Use new base_reg_class function.
3745 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3746 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3747 all callers and prototype changed.
3748 * reload1.c: Include "addresses.h".
3749 (maybe_fix_stack_asms): Use base_reg_class.
3750 * regclass.c: Include "addresses.h".
3751 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3752 (init_reg_autoinc): Use new base_reg_class function.
3753 (record_reg_classes): Likewise.
3754 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3755 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3756 Use new args to compute necessary class.
3758 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3759 regrename.o, rtl-factoring.o): Update dependencies.
3760 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3761 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3762 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3763 REG_OK_FOR_INDEX_P): Delete documentation.
3765 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3767 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3768 from V7 to V9 for Solaris 7 and above.
3770 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3772 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3773 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3774 argument pointers may not alias any other storage.
3775 * common.opt: Define option -fargument-noalias-anything.
3776 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3777 alias semantics is specified by flag_argument_noalias > 2.
3779 2006-03-20 Jeff Law <law@redhat.com>
3781 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3782 (pass_phi_only_cprop): Declare.
3783 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3785 * tree-ssa-dom.c (degenerate_phi_result): New function.
3786 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3787 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3788 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3789 (eliminate_degenerate_phis): Likewise.
3790 (pass_phi_only_cprop): New pass descriptor.
3791 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3792 support code. Callers updated.
3793 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3794 (store_copy_prop): Likewise.
3795 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3797 2006-03-20 Jason Merrill <jason@redhat.com>
3800 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3801 (push_visibility, pop_visibility): Likewise.
3802 * c-pragma.h: Declare them.
3804 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3806 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3808 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3809 parameter and use get_ebb_head_tail.
3810 (sh_md_init_global): Adjust uses of find_regmode_weight.
3812 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3814 * function.h (struct function) <x_tail_recursion_reentry>:
3815 Rename to x_stack_check_probe_note.
3816 (tail_recursion_reentry): Rename to stack_check_probe_note.
3817 * function.c: Replace tail_recursion_reentry with
3818 stack_check_probe_note everywhere.
3819 (expand_function_start): Only emit a note for
3820 stack_check_probe_note with -fstack-protect.
3821 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3823 * emit-rtl.c (remove_unnecessary_notes): Remove.
3824 (pass_remove_unnecessary_notes): Remove.
3825 * rtl.h (remove_unnecessary_notes): Remove prototype.
3826 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3827 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3828 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3830 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3833 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3834 (valid_in_set): Handle ARRAY_REF.
3835 Change "if min_variant or VH" to asserts.
3836 (create_component_ref_by_pieces): Handle ARRAY_REF.
3837 (create_expression_by_pieces): Likewise.
3838 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3840 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3842 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3843 is operand of switch, not str[0].
3845 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3847 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3848 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3850 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3852 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3853 end of insn_extra_address_constraint declaration.
3855 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3857 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3858 (no-sum-in-toc): Same.
3859 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3861 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3862 NO_FP_IN_TOC for -fPIC instead of mask.
3864 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3865 (BOOT_LDFLAGS): Delete.
3867 * config/rs6000/t-aix52: Same.
3869 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3870 (stmsi[345678]_power): New.
3872 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3874 * config/ia64/ia64.opt: Add empty line to end of file.
3876 2006-03-17 Richard Guenther <rguenther@suse.de>
3879 * builtins.c (get_pointer_alignment): For component style references
3880 adjust alignment to the component type alignment. Make sure
3881 to adjust alignment for component access of constants.
3883 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3885 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3888 2006-03-17 Paul Brook <paul@codesourcery.com>
3890 * doc/install.texi: Docuemnt --with-mode.
3891 * config.gcc: Add --with-mode for arm*-*-*.
3892 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3894 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3896 * sh.c (max_labelno_before_reorg): New variable.
3897 (sh_reorg): Initialize it.
3898 (find_barrier): Check max_labelno_before_reorg before using
3899 label_to_alignment. Take length of explicit alignment insns
3900 into account. When seeing a UNSPECV_CONST_END, return it.
3902 * sh.c (fixup_mova): Set mode of affected label to QImode.
3903 (untangle_mova): New function.
3904 (find_barrier): Use it. Check mode of label before decrementing
3906 (sh_reorg): Likewise.
3907 Set mode of all insns back to VOIDmode.
3909 * sh.c (MOVA_LABELREF): New macro.
3910 (mova_p, fixup_mova, sh_reorg): Use it.
3911 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3912 ADDR_DIFF_VEC matches mova.
3914 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3916 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3917 with ATTRIBUTE_UNUSED.
3919 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3921 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3922 pointer, instead of assuming it is possible to derive the
3923 correct args size from a call insn.
3925 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3927 * rtl.h (CONST_INT_P): Define.
3928 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3929 instead of GET_CODE(x) == CONST_INT.
3930 (vax_rtx_costs): Likewise.
3931 (vax_output_int_move): Likewise.
3932 (vax_output_int_add): Likewise.
3933 (legitimate_constant_address_p): Likewise.
3934 (index_term_p): Likewise.
3935 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3936 * config/vax/vax.md (and<mode>3): Likewise.
3937 (ashrsi3): Likewise.
3939 (movstricthi): Likewise.
3940 (movstrictqi): Likewise.
3941 (rotrsi3): Likewise.
3942 (five unnamed insns): Likewise.
3944 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3946 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3947 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3948 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3949 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3950 Pass to ASM_OUTPUT_DWARF_OFFSET.
3951 * dwarf2out.c (debug_frame_section): New.
3952 (output_call_frame_info): Use debug_frame_section. Pass it to
3953 dw2_asm_output_offset.
3954 (output_die): Pass appropriate section to dw2_asm_output_offset.
3955 (output_compilation_unit_header): Likewise.
3956 (output_pubnames): Likewise.
3957 (output_aranges): Likewise.
3958 (enum dw_val_class): Break dw_val_class_lbl_offset into
3959 dw_val_class_lineptr and dw_val_class_macptr.
3960 (add_AT_lbl_offset): Delete.
3961 (add_AT_lineptr): New.
3962 (add_AT_macptr): New.
3963 (AT_lbl): Expect a lineptr or macptr.
3964 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3965 (attr_checksum): Likewise.
3966 (same_dw_val_p): Likewise.
3967 (size_of_die): Likewise.
3968 (value_format): Likewise.
3969 (output_die): Likewise.
3970 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3972 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3973 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3974 * config/darwin-protos.h (darwin_file_start): New.
3975 (darwin_asm_output_dwarf_offset): New.
3976 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3977 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3979 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3980 if not EH section; simplify.
3981 (darwin_file_start): New.
3982 (darwin_asm_output_dwarf_offset): New.
3983 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3985 (DEBUG_INFO_SECTION): Likewise.
3986 (DEBUG_ABBREV_SECTION): Likewise.
3987 (DEBUG_ARANGES_SECTION): Likewise.
3988 (DEBUG_MACINFO_SECTION): Likewise.
3989 (DEBUG_LINE_SECTION): Likewise.
3990 (DEBUG_LOC_SECTION): Likewise.
3991 (DEBUG_PUBNAMES_SECTION): Likewise.
3992 (DEBUG_STR_SECTION): Likewise.
3993 (DEBUG_RANGES_SECTION): Likewise.
3994 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3995 (ASM_OUTPUT_DWARF_OFFSET): New.
3997 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3999 * config.gcc (tm_defines): Always add to previous value rather
4002 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4004 * config/mips/predicates.md (splittable_const_int_operand): New,
4005 split from move_operand.
4006 (splittable_symbolic_operand): New.
4007 (move_operand): Add commentary. Use splittable_const_int_operand.
4008 Inline mips_atomic_symbolic_constant_p.
4009 * config/mips/mips.md: Add combine splitters for handling moves
4010 of splittable_const_int_operands and splittable_symbolic_operands.
4011 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4012 (mips_split_symbol): Declare.
4013 (mips_move_integer): Declare.
4014 * config/mips/mips.c (mips_split_p): Make global.
4015 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4016 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4017 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4018 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4019 (mips_offset_within_object_p): Handle block symbols.
4020 (mips_atomic_symbolic_constant_p): Delete.
4021 (mips_cannot_force_const_mem): Return false for constants that
4022 mips_legitimize_move can handle.
4023 (mips_use_blocks_for_constant_p): New function.
4024 (mips_split_symbol): Make global.
4025 (mips_move_integer): Likewise. Add a temporary register argument.
4026 (mips_legitimize_const_move): Use splittable_const_int_operand and
4027 splittable_symbolic_operand.
4028 (mips_use_anchors_for_symbol_p): New function.
4029 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4030 (mips_split_p): Declare.
4032 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4034 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4035 (mips*-*-linux*): Likewise.
4037 2006-03-16 Roger Sayle <roger@eyesopen.com>
4038 Daniel Speyer <dspeyer@wam.umd.edu>
4041 * tree-dump.c (dump_real): New function.
4042 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4043 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4044 (tree-dump.o): Add $(REAL_H) to the dependencies.
4046 2006-03-16 Roger Sayle <roger@eyesopen.com>
4049 * real.c (real_from_string): If the mantissa is zero, don't bother
4050 parsing the exponent as the result should always be zero.
4052 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4054 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4056 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4058 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4059 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4060 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4061 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4062 ia64_sched_finish_global): New static functions to implement
4063 hooks from gcc_target.sched.
4064 (spec_check_no, max_uid, pending_data_specs): New static variables.
4065 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4066 ia64_spec_check_src_p): New static functions.
4067 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4068 (TARGET_SCHED_ADJUST_COST): Removed.
4069 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4070 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4071 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4072 TARGET_SCHED_GEN_CHECK,
4073 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4074 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4075 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4076 Fixed to handle speculation checks.
4077 (rtx_needs_barrier): Fixed to handle speculative loads and
4079 (ia64_variable_issue): Added code to count speculative loads and their
4081 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4083 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4085 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4087 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4088 (ia64_reorg): Reset stops_p to NULL after it is freed.
4089 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4090 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4091 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4093 (data_speculative, control_speculative, check_load): New attributes.
4094 (mov<mode>_advanced, mov<mode>_speculative,
4095 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4096 zero_extend<mode>di2_speculative,
4097 zero_extend<mode>di2_speculative_advanced): New patterns for
4098 data and control speculative loads.
4099 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4101 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4102 New pattern for data and control speculation checks.
4103 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4104 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4105 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4106 Auxiliary definitions for the patterns.
4107 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4108 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4110 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4112 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4113 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4114 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4115 New resource constraints.
4116 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4118 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4119 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4120 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4121 msched-in-control-spec, msched-ldc, msched-control-ldc,
4122 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4123 msched-prefer-non-control-spec-insns,
4124 msched-count-spec-in-critical-path): New flags to tune speculative
4126 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4127 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4128 msched-in-control-spec, msched-ldc, msched-control-ldc,
4129 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4130 msched-prefer-non-control-spec-insns,
4131 msched-count-spec-in-critical-path): Document new flags.
4133 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4135 * target.h (struct spec_info_def): New opaque declaration.
4136 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4137 speculate_insn, needs_block_p, gen_check,
4138 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4139 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4140 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4141 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4142 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4143 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4145 (TARGET_SCHED): Use new macros.
4146 * rtl.h (copy_DEPS_LIST_list): New prototype.
4147 * sched-int.h (struct sched_info): Change signature of new_ready field,
4148 adjust all initializations. New fields: add_remove_insn,
4149 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4150 region_head_or_leaf_p.
4151 (struct spec_info_def): New structure declaration.
4152 (spec_info_t): New typedef.
4153 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4154 recovery_block, orig_pat.
4155 (glat_start, glat_end): New variables declaraions.
4156 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4158 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4159 DETACH_LIFE_INFO, USE_GLAT.
4160 (enum SPEC_SCHED_FLAGS): New enumeration.
4161 (NOTE_NOTE_BB_P): New macro.
4162 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4163 attach_life_info, debug_spec_status, check_reg_live): New functions.
4164 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4165 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4167 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4168 * ddg.c (get_block_head_tail): Adjust all uses.
4169 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4170 (sms_sched_info): Initialize new fields.
4171 (contributes_to_priority): Removed.
4172 * haifa-sched.c (params.h): New include.
4173 (get_block_head_tail): Adjust all uses.
4174 (ISSUE_POINTS): New macro.
4175 (glat_start, glat_end): New global variables.
4176 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4177 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4178 old_last_basic_block, before_recovery, current_sched_info_var,
4179 rgn_n_insns, luid): New static variables.
4180 (insn_cost1): New function. Move logic from insn_cost to here.
4181 (find_insn_reg_weight1): New function. Move logic from
4182 find_insn_reg_weight to here.
4183 (reemit_notes, move_insn, max_issue): Change signature.
4184 (move_insn1): Removed.
4185 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4186 extend_bb): New static functions to support extension of scheduler's
4188 (generate_recovery_code, process_insn_depend_be_in_spec,
4189 begin_speculative_block, add_to_speculative_block,
4190 init_before_recovery, create_recovery_block, create_check_block_twin,
4191 fix_recovery_deps): New static functions to support
4192 generation of recovery code.
4193 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4194 restore_bb_notes, move_block_after_check, move_succs): New static
4195 functions to support ebb scheduling.
4196 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4197 functions to support handling of register live information.
4198 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4199 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4200 add_jump_dependencies): New static functions.
4201 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4202 consistancy checking.
4203 (debug_spec_status): New function to call from debugger.
4204 (priority): Added code to handle speculation checks.
4205 (rank_for_schedule): Added code to distinguish speculative instructions.
4206 (schedule_insn): Added code to handle speculation checks.
4207 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4208 Fixed to handle ebbs.
4209 (move_insn): Added code to handle ebb scheduling.
4210 (max_issue): Added code to use ISSUE_POINTS of instructions.
4211 (choose_ready): Added code to choose between speculative and
4212 non-speculative instructions.
4213 (schedule_block): Added code to handle ebb scheduling and scheduling of
4214 speculative instructions.
4215 (sched_init): Initialize new variables.
4216 (sched_finish): Free new variables. Print statistics.
4217 (try_ready): Added code to handle speculative instructions.
4218 * lists.c (copy_DEPS_LIST_list): New function.
4219 * sched-deps.c (extend_dependency_caches): New function. Move logic
4220 from create_dependency_caches to here.
4221 (get_dep_weak, ds_merge): Make global.
4222 * genattr.c (main): Code to output prototype for
4223 dfa_clear_single_insn_cache.
4224 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4225 (output_dfa_clean_insn_cache_func): Code to output
4226 dfa_clear_single_insn_cache function.
4227 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4229 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4231 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4232 New static variables.
4233 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4234 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4236 (ebb_sched_info): Initialize new fields.
4237 (get_block_head_tail): Adjust all uses.
4238 (compute_jump_reg_dependencies): Fixed to use glat_start.
4239 (schedule_ebb): Code to remove unreachable last block.
4240 (schedule_ebbs): Added code to update register live information.
4241 * sched-rgn.c (region_sched_info): Initialize new fields.
4242 (get_block_head_tail): Adjust all uses.
4243 (last_was_jump): Removed. Adjust users.
4244 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4245 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4246 Implement new hooks.
4247 (check_dead_notes1): New static function.
4248 (struct region): New fields: dont_calc_deps, has_real_ebb.
4249 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4250 (BB_TO_BLOCK): Fixed to handle EBBs.
4251 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4252 (ebb_head): New static variable.
4253 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4254 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4256 (compute_dom_prob_ps): New assertion.
4257 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4258 global_live_at_start.
4259 (init_ready_list): New assertions.
4260 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4261 (new_ready): Add support for BEGIN_CONTROL speculation.
4262 (schedule_insns): Fixed code that updates register live information
4264 (schedule_region): Fixed to handle EBBs.
4265 (init_regions): Use extend_regions and check_dead_notes1.
4266 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4267 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4268 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4269 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4270 TARGET_SCHED_GEN_CHECK,
4271 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4272 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4273 * doc/invoke.texi (max-sched-insn-conflict-delay,
4274 sched-spec-prob-cutoff): Document.
4276 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4278 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4279 inter_tick, queue_index.
4280 (struct sched_info): Change signature of init_ready_list field.
4281 Adjust all initializations.
4282 (RESOLVED_DEPS): New access macro.
4283 (ready_add): Remove prototype.
4284 (try_ready): Add prototype.
4285 * sched-rgn.c (init_ready_list): Use try_ready.
4286 (schedule_region): Initialize
4287 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4288 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4289 (init_ready_list): Use try_ready.
4290 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4291 * lists.c (remove_list_elem): Remove `static'.
4292 (remove_free_INSN_LIST_elem): New function.
4293 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4294 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4295 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4297 (readyp): New variable.
4298 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4299 change_queue_index, resolve_dep): New static functions.
4300 (try_ready): New function. Adjust callers in sched-rgn.c and
4301 sched-ebb.c to use it instead of ready_add.
4302 (clock_var): Move at the begining of file.
4303 (rank_for_schedule): Fix typo.
4304 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4305 (ready_lastpos): Enforce assertion.
4306 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4308 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4309 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4310 (queue_to_ready): Use free_INSN_LIST_list.
4311 (early_queue_to_ready): Fix typo.
4312 (schedule_block): Init readyp. Move init_ready_list call after the
4313 initialization of clock_var. Fix error in rejecting insn by
4314 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4315 that previously corrected INSN_TICKs. Add code for handling
4317 (set_priorities): Fix typo.
4318 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4319 Clarify comment and code that keeps current_sched_info->next_tail
4322 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4324 * sched-rgn.c (extend_rgns): New static function.
4325 (find_rgns): Use it.
4326 (gather_region_statistics, print_region_statistics): New static
4328 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4329 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4331 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4332 Andrey Belevantsev <abel@ispras.ru>
4334 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4335 * lists.c (unused_deps_list): New variable.
4336 (free_list): Add assertions to verify the proper distinguishing
4337 between INSN_LISTs and DEPS_LISTs.
4338 (find_list_elem, remove_list_elem, remove_list_node): New static
4340 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4341 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4342 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4343 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4345 (free_INSN_LIST_node): Likewise.
4346 * modulo-sched.c (current_sched_info): Initialize flags field.
4347 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4348 * rtl.def (DEPS_LIST): Define.
4349 * rtl.h: Declare new functions from lists.c.
4350 * sched-deps.c (spec_dependency_cache): New static variable.
4351 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4352 (add_dependence): Change return type to void. Move the logic to ...
4353 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4354 (delete_all_dependences): Add comment about forward_dependency_cache.
4355 Handle spec_dependency_cache. Handle DEPS_LISTs.
4356 (fixup_sched_groups): Clarify the change of priority of output
4357 and anti dependencies.
4358 (sched_analyze_2): Adjust add_dependence calls to create data
4359 speculative dependence.
4360 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4361 Adjust all callers. Handle DEPS_LISTS.
4362 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4363 presence of speculation.
4364 (init_dependency_caches, free_dependency_caches):
4365 Handle spec_dependency_cache.
4366 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4367 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4368 New static functions.
4369 (add_or_update_back_dep, add_or_update_back_forw_dep,
4370 add_back_forw_dep, delete_back_forw_dep): New functions.
4371 * sched-int.h (ds_t, dw_t): New typedefs.
4372 (struct sched_info): Add new field flags.
4373 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4374 Prototype new sched-deps.c functions.
4375 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4376 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4377 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4378 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4379 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4380 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4382 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4384 * sched-rgn.c (current_sched_info): Initialize flags field.
4385 (schedule_insns): Initialize current_sched_info before the sched_init
4387 * sched-ebb.c (current_sched_info): Initialize flags field.
4388 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4389 Call add_or_update_back_dep instead of add_dependence.
4390 Create control speculative dependencies.
4391 (schedule_insns): Initialize current_sched_info before the sched_init
4394 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4396 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4398 (sh_fallback_frame_state): Likewise.
4400 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4402 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4403 Do switch on default_use_cxa_atexit.
4404 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4405 * config/darwin-crt3.o: New.
4406 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4407 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4408 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4410 * config/rs6000/t-darwin: Move crt2.o building to here.
4411 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4412 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4415 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4417 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4418 from '! xxx' to '!xxx' for coding-style conformance.
4419 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4420 (EXTRA_CONSTRAINT): Likewise.
4421 * config/vax/vax.md (four unnamed insns): Likewise.
4423 2006-03-15 Paul Brook <paul@codesourcery.com>
4425 * config/arm/arm.c (minipool_pad): New.
4426 (add_minipool_forward_ref): Include pool alignment padding in address
4428 (push_minipool_fix): Set minipool_pad.
4429 (minipool_pad): Ditto.
4431 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4433 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4434 instead of GET_CODE() == MEM and REG_P() instead of
4436 (print_operand_address): Likewise.
4437 (vax_address_cost): Likewise.
4438 (vax_rtx_costs): Likewise.
4439 (vax_notice_update_cc): Likewise.
4440 (vax_output_int_add): Likewise.
4441 (INDEX_REGISTER_P): Likewise.
4442 (BASE_REGISTER_P): Likewise.
4443 (nonindexed_address_p): Likewise.
4444 (vax_mode_dependent_address_p): Likewise.
4445 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4446 (PRINT_OPERAND): Likewise.
4447 * config/vax/vax.md (ashlsi3): Likewise.
4448 (ashlsi3): Likewise.
4449 (some more unnamed insns): Likewise.
4451 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4453 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4454 iterator-style macro.
4455 (mark_control_dependent_edges_necessary): Update the use of
4456 EXECUTE_IF_CONTROL_DEPENDENT.
4458 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4460 * config/sh/predicates.md (cache_address_operand): Special.
4461 (ua_address_operand): Likewise.
4463 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4465 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4467 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4469 2006-03-15 Andreas Schwab <schwab@suse.de>
4471 * gensupport.c (identify_predicable_attribute): Don't free p_false
4472 when it is still in use.
4474 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4476 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4477 the default setting here.
4479 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4481 * tree-pass.h (pass_cfg): Remove.
4482 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4483 * passes.c (pass_cfg): Don't run it.
4485 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4487 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4488 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4490 (stack_regs_mentioned): Update the uses of
4491 stack_regs_mentioned_data. Don't access the array beyond its
4493 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4494 Don't include gt-reg-stack.h.
4496 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4497 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4499 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4502 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4505 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4507 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4509 2006-03-14 Richard Guenther <rguenther@suse.de>
4511 PR tree-optimization/26672
4512 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4515 2006-03-14 Richard Guenther <rguenther@suse.de>
4517 PR tree-optimization/26667
4518 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4519 node for the callees. Always allow inlining if it will shrink
4522 2006-03-14 Richard Guenther <rguenther@suse.de>
4525 * builtins.c (get_pointer_alignment): Prefer alignment
4526 information from decls over that from types.
4528 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4531 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4533 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4535 * config/rs6000/rs6000.opt (mdlmzb): New option.
4536 (msched-prolog, msched-epilog): Use Var not Mask.
4537 * doc/invoke.texi (-mdlmzb): Document.
4538 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4540 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4541 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4543 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4545 PR rtl-optimization/25739
4546 * bt-load.c (augment_live_range): Free tos pointer.
4548 * gensupport.c (identify_predicable_attribute): Free
4550 * gcov.c (create_file_names): Free name pointer.
4552 2006-03-13 Roger Sayle <roger@eyesopen.com>
4555 * stmt.c (emit_case_nodes): Handle the case where the index is a
4556 CONST_INT, where the comparison mode is specified by the index type.
4558 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4560 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4563 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4565 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4566 (*branch_fp_inverted): Likewise.
4568 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4571 * omp-low.c (expand_omp_for_generic): Mark istart0
4572 and iend0 as addressable.
4574 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4576 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4578 2006-03-13 Jeff Law <law@redhat.com>
4580 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4581 virtual operands are interesting.
4582 (vrp_visit_stmt): Corresponding changes.
4584 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4586 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4588 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4589 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4590 * config/bfin/crti.S: Use it instead of __PIC__.
4591 * config/bfin/crtn.S: Likewise.
4593 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4594 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4596 Lose 'G' modifier for call operand.
4597 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4598 recognize 'G' modifier.
4600 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4603 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4604 * stmt.c (expand_case): Likewise.
4606 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4608 PR rtl-optimization/26254
4609 * loop-invariant.c (seq_insns_valid_p): New function.
4610 (move_invariant_reg): Only emit new code if it is valid.
4612 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4614 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4616 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4617 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4618 (commit_one_edge_insertion): Do not look for loop notes.
4620 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4622 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4623 flag_test_coverage out of loop.
4625 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4627 * final.c (shorten_branches): Remove outdated comment, and turn
4628 the if branch that guards it to continue.
4630 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4632 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4633 * cfgloop.h (struct loop): Remove unused fields.
4635 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4637 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4638 (-dL, -fdump-rtl-loop2): Update the dump file names
4640 * doc/invoke.texi: Update dump file names.
4642 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4644 * predict.c (estimate_probability): Remove.
4645 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4646 * basic-block.h (estimate_probability): Remove prototype.
4647 * passes.c (finish_optimization_passes): Dump branch prediction or
4648 profiling heuristics to the .profile tree dump.
4649 (init_optimization_passes): Unqueue pass_branch_prob.
4651 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4653 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4655 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4656 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4658 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4660 * function.h (frame_offset_overflow): Declare.
4661 * function.c (frame_offset_overflow): New function.
4662 (assign_stack_local_1): Call it to detect that the offset overflows.
4663 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4665 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4667 * config/sh/sh.c: Include alloc-pool.h.
4668 (label_ref_list_pool): New alloc pool.
4669 (label_ref_list_t): New type for lists of labels.
4670 (struct pool_node): Make wend a label_ref_list_t.
4671 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4673 (dump_table): Likewise.
4674 (sh_reorg): Set up the alloc pool before using add_constant and
4675 dump_table, and destroy it when finishing.
4677 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4679 * config/mips/mips.c: Remove redundant comment.
4681 2006-03-10 Jason Merrill <jason@redhat.com>
4684 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4685 the target was declared 'register'.
4687 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4689 * genpreds.c (write_insn_constraint_len): Change definition of
4690 insn_constraint_len to return size_t to match the declaration.
4692 2006-03-10 DJ Delorie <dj@redhat.com>
4694 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4696 (m32c_expand_insv): Fix test for an AND mask.
4698 2006-03-10 Richard Guenther <rguenther@suse.de>
4701 * builtins.c (get_pointer_alignment): Handle component
4702 references for field alignment.
4704 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4706 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4707 when building with libgloss.
4708 (sh*elf): Implement --without-fp option.
4709 (sh64-superh-linux*): Don't multilib.
4711 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4713 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4715 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4717 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4718 Set it when one of the replacement functions returned true.
4719 Return TODO_cleanup_cfg if cfgchanged is true.
4720 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4722 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4724 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4725 instead of gen_lowpart.
4727 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4729 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4731 (mips_output_order_conditional_branch): Declare.
4732 * config/mips/mips.h (MIPS_BRANCH): New macro.
4733 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4734 for the comparison. Use gen_condjump.
4735 (mips_output_conditional_branch): Rework interface to take the
4736 asm templates for a direct branch and the inverse of a direct branch.
4737 (mips_output_order_conditional_branch): New function.
4738 (mips_builtin_branch_and_move): New function.
4739 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4740 branch condition. Use gen_single_cc as the condition for
4741 __builtin_mips_upper_* or __builtin_mips_lower_*.
4742 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4743 Use VOIDmode for the branch condition.
4744 * config/mips/predicates.md (order_operator): New predicate.
4745 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4746 (branch_fp): Rename to...
4747 (*branch_fp): ...this. Remove mode from comparison operator.
4748 Use new mips_output_conditional_branch interface.
4749 (branch_fp_inverted): Rename to...
4750 (*branch_fp_inverted): ...this and update as for *branch_fp.
4751 (*branch_zero<mode>): Rename to...
4752 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4753 Use mips_output_order_conditional_branch. Only accept ordered
4755 (*branch_zero<mode>_inverted): Rename to...
4756 (*branch_order<mode>_inverted): ...this and update as for
4757 *branch_order<mode>.
4758 (*branch_equality<mode>): Accept zero as the second operand to
4759 the equality operator. Use the new mips_output_conditional_branch
4761 (*branch_equality<mode>_inverted): Likewise.
4762 (condjump): New expander.
4763 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4765 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4766 (bc1any2t, bc1any2f): Likewise.
4767 (single_cc): New expander.
4768 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4770 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4772 * doc/md.texi: Update documentation of MIPS constraints.
4773 * config/mips/constraints.md: New file.
4774 * config/mips/mips.md: Include it.
4775 * config/mips/mips.c (mips_char_to_class): Delete.
4776 (override_options): Don't initialize mips_char_to_class.
4777 * config/mips/mips.h (mips_char_to_class): Delete.
4778 (REG_CLASS_FROM_LETTER): Delete.
4779 (CONST_OK_FOR_LETTER_P): Delete.
4780 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4781 (EXTRA_CONSTRAINT_Y): Delete.
4782 (EXTRA_CONSTRAINT_STR): Delete.
4783 (CONSTRAINT_LEN): Delete.
4784 (EXTRA_MEMORY_CONSTRAINT): Delete.
4786 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4788 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4789 original fn's eh regions.
4791 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4793 * fold-const.c (build_range_check): Make sure to use a valid type to
4794 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4797 (range_predecessor): New static function.
4798 (range_successor): Likewise.
4799 (merge_ranges): Use them to compute predecessors and successors of
4802 2006-03-09 Roger Sayle <roger@eyesopen.com>
4805 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4806 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4808 2006-03-08 DJ Delorie <dj@redhat.com>
4810 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4811 (addpsi3): Expand to include memory operands. Remove
4812 reload-specific splits.
4813 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4814 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4815 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4816 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4817 (shift1_qi, shift1_hi, insv): New.
4818 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4819 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4820 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4822 * config/m32c/m32c-protos.h: Update as needed.
4823 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4824 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4825 Fail for unrecognized R* constraints.
4826 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4827 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4828 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4830 (m32c_init_libfuncs): New.
4831 (m32c_legitimate_address_p): Add debug wrapper.
4832 (m32c_rtx_costs): New.
4833 (m32c_address_cost): New.
4834 (conversions): Add 'B' prefix.
4835 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4836 operands, or word regnames for QI operands. 'B' prints bit
4838 (m32c_expand_setmemhi): New.
4839 (m32c_expand_movmemhi): New.
4840 (m32c_expand_movstr): New.
4841 (m32c_expand_cmpstr): New.
4842 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4843 (m32c_expand_neg_mulpsi3): Handle non-ints.
4844 (m32c_cmp_flg_0): New.
4845 (m32c_expand_movcc): New.
4846 (m32c_expand_insv): New.
4847 (m32c_scc_pattern): New.
4848 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4849 a0/a1 out of SIregs.
4850 (STORE_FLAG_VALUE): New.
4851 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4854 * config/m32c/mov.md: Make constraints more liberal.
4855 (zero_extendqihi2): Optimize r0/r1 case.
4856 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4857 * config/m32c/predicates.md (m32c_any_operand): New.
4858 (m32c_nonimmediate_operand): New.
4859 (m32c_hl_operand): New.
4860 (m32c_r3_operand): New.
4863 (memsym_operand): New.
4864 (memimmed_operand): New.
4865 (a_qi_operand): New.
4866 (m32c_eqne_operator): New.
4867 (m32c_1bit8_operand): New.
4868 (m32c_1bit16_operand): New.
4869 (m32c_1mask8_operand): New.
4870 (m32c_1mask16_operand): New.
4871 * config/m32c/blkmov.md: New file.
4872 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4874 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4876 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4877 unsigned to fix signed/unsigned comparison issue in
4878 DWARF2_FRAME_REG_OUT.
4879 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4880 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4882 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4883 of ptr into the ENABLE_CHECKING section.
4885 2006-03-08 Jeff Law <law@redhat.com>
4887 * tree-vrp.c (infer_value_range): Only count pointer uses
4888 and dereferences if -fdelete-null-pointer-checks is enabled.
4890 * tree-vrp.c (find_assert_locations): Infer value ranges for
4891 single use pointers, but do not create ASSERT_EXPRs for them.
4892 When a non-null range is inferred for a pointer, backwards
4893 propagate that range to other equivalent pointers through the
4896 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4899 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4900 language hook targets.
4901 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4902 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4903 if language hook targets were missing.
4905 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4907 * tree-ssa-opfinalize.h: Removed.
4908 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4910 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4911 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4912 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4913 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4914 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4915 finalize_ssa_v_must_def_ops): New.
4917 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4919 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4922 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4924 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4926 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4927 addresses with offsets; reorganize.
4929 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4930 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4931 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4933 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4936 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4938 2006-03-08 Ben Elliston <bje@au.ibm.com>
4940 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4942 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4945 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4948 2006-03-07 Richard Guenther <rguenther@suse.de>
4950 PR tree-optimization/26587
4951 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4953 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4955 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4957 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4959 * hooks.c (hook_bool_mode_rtx_true): New function.
4960 * hooks.h (hook_bool_mode_rtx_true): Declare.
4961 * toplev.c (compile_file): Call output_shared_constant_pool.
4962 * varasm.c (shared_constant_pool): New variable.
4963 (assemble_start_function, assemble_end_function): Remove arguments
4964 from call to output_constant_pool.
4965 (create_constant_pool): New function, split out from...
4966 (init_varasm_status): ...here.
4967 (force_const_mem): Choose between the shared and per-function constant
4968 pools. Set current_function_uses_const_pool when reusing old entries
4969 as well as when creating new ones.
4970 (mark_constant): Ignore data argument.
4971 (mark_constants): Remove pool argument.
4972 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4973 to decide whether the function uses a constant pool.
4974 (output_constant_pool_contents): New function, split out from...
4975 (output_constant_pool): ...here.
4976 (output_shared_constant_pool): New function.
4977 (init_varasm_once): Initialize shared_constant_pool.
4978 * output.h (output_constant_pool): Delete.
4979 (output_shared_constant_pool): Declare.
4980 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4981 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4983 2006-03-06 Nick Clifton <nickc@redhat.com>
4985 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4986 flag_strength_reduce.
4988 2006-03-06 Ben Elliston <bje@au.ibm.com>
4990 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4991 x86_64-*-linux* configurations.
4993 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4994 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4996 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4998 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5000 * basic-block.h: Remove the extern for
5001 rediscover_loops_after_threading.
5003 * cfgloop.c (cancel_loop): Make it static.
5004 * cfgloop.h: Remove the prototype for cancel_loop.
5006 * flow.c (recompute_reg_usage): Make it static.
5007 * rtl.h: Remove the prototype for recompute_reg_usage.
5009 * function.c (use_return_register): Make it static.
5010 * function.h: Remove the prototype.
5012 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5014 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5016 * recog.h: Remove the prototype for
5017 validate_change_maybe_volatile.
5019 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5021 * rtlanal.c (replace_reg): Remove.
5022 * rtl.h: Remove the prototype for replace_reg.
5024 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5026 * regclass.c (reg_scan_update): Remove.
5027 (reg_scan_mark_refs): Remove the last argument.
5028 * rtl.h: Remove the prototype for reg_scan_update.
5030 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5032 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5033 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5034 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5035 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5036 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5037 loop-invariant.c, omp-low.c, opts.c, passes.c,
5038 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5039 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5040 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5041 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5042 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5043 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5045 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5047 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5048 * dwarf2out.h: Remove the prototype for
5049 dwarf2out_add_library_unit_info.
5051 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5053 * tree.c (add_var_to_bind_expr): Remove.
5054 * tree.h: Remove the prototype for add_var_to_bind_expr.
5056 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5058 * regclass.c (n_non_fixed_regs): Remove.
5059 (init_reg_sets_1, globalize_reg): Remove all uses of
5061 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5063 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5065 * rtlanal.c (insns_safe_to_move_p): Remove.
5066 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5068 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5070 * expmed.c (expand_mult_add): Remove.
5071 * expr.h: Remove the prototype for expand_mult_add.
5073 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5075 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5076 and REG_SAVED_VAL_EXP constants.
5077 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5078 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5079 Handle regs stored by value.
5080 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5081 (execute_cfa_program): Handle DW_CFA_val_offset,
5082 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5083 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5084 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5085 (uw_install_context_1): Handle target regs stored by value.
5087 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5089 * tree-sra.c (tree_sra): Return todoflags;
5090 (generate_one_element): Set TODO_update_smt_usage if needed.
5091 (pass_sra): Remove TODO_update_smt_usage.
5092 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5094 (tree_ssa_forward_propagate_single_use_vars): Return
5095 TODO_update_smt_usage if we need to update SMT usage.
5096 (pass_forwprop): Remove TODO_update_smt_usage.
5098 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5100 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5101 (correct_use_link): Remove reference to get_stmt_operands.
5102 (update_stmt_operands): Likewise.
5103 (get_modify_expr_operands): New function factored out of
5104 parse_ssa_operands and get_expr_operands.
5105 Try to create V_MUST_DEFs for LHS by default.
5106 (get_expr_operands) <case MODIFY_EXPR>: Call
5107 get_modify_expr_operands.
5108 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5109 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5110 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5111 get_modify_expr_operands.
5113 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5115 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5116 * tree-flow.h: Remove the prototype for
5117 referenced_var_lookup_if_exists.
5119 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5121 PR rtl-optimization/26345
5123 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5125 2006-03-03 Roger Sayle <roger@eyesopen.com>
5127 PR tree-optimization/26524
5128 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5129 fold_convert to create a constant of the appropriate type.
5131 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5133 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5134 SYMBOL_REF_IN_BLOCK_P.
5135 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5136 of SYMBOL_FLAG_IN_BLOCK.
5137 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5138 instead of SYMBOL_REF_IN_BLOCK_P.
5139 * explow.c (use_anchored_address): Likewise.
5140 * rtl.c (rtx_size): Likewise.
5141 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5142 instead of SYMBOL_FLAG_IN_BLOCK.
5143 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5144 SYMBOL_REF_IN_BLOCK_P.
5145 (assemble_variable): Likewise.
5146 (output_constant_def_contents): Likewise.
5147 (output_constant_pool): Likewise.
5148 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5149 instead of SYMBOL_FLAG_IN_BLOCK.
5150 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5151 SYMBOL_REF_IN_BLOCK_P.
5152 (SYMBOL_REF_BLOCK): Likewise.
5153 (SYMBOL_REF_OFFSET): Likewise.
5154 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5155 SYMBOL_REF_IN_BLOCK_P.
5156 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5157 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5158 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5159 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5161 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5163 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5165 2006-03-02 Roger Sayle <roger@eyesopen.com>
5167 * simplify-rtx.c (simplify_unary_operation): When simplifying
5168 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5169 that we perform the right shift in the appropriate mode, and
5170 then extend or truncate the result to requested mode.
5172 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5174 * gengtype.c (main): Handle double_int type.
5175 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5176 * double-int.c: New file.
5177 * double-int.h: New file.
5178 * system.h: Include doubleint.h.
5179 * Makefile.in (SYSTEM_H): Include double-int.h.
5180 (double-int.o): Add.
5182 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5185 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5188 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5190 * tree-vrp.c (remove_range_assertions): Do not update statements
5193 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5195 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5197 * gcse.c (rest_of_handle_gcse): Ditto.
5198 * except.c (gate_handle_eh): Ditto.
5199 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5200 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5202 2006-03-02 Eric Christopher <echristo@apple.com>
5204 * config/i386/i386.c (machopic_output_stub): Add indirection to
5207 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5211 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5213 Sun Niagara specific optimizations.
5214 * config.gcc: Recognize niagara as target.
5215 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5216 (TARGET_CPU_niagara): Define.
5217 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5218 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5219 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5220 (ASM_CPU_SPEC): Likewise.
5221 (PROCESSOR_NIAGARA): New enum entry.
5222 (REGISTER_MOVE_COST): Handle Niagara.
5223 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5224 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5225 (sparc_override_options): Recognize "niagara", set appropriate
5226 default MASK_* values for it, and align functions to 32-bytes
5227 by default just like ULTRASPARC/ULTRASPARC3.
5228 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5229 (sparc64_initialize_trampoline): Likewise.
5230 (sparc_use_sched_lookahead): Use zero for niagara.
5231 (sparc_issue_rate): Use one for niagara.
5232 * config/sparc/niagara.md: New file.
5233 * config/sparc/sparc.md: Include it.
5234 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5235 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5236 when default cpu is niagara.
5237 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5238 (ASM_CPU_SPEC): Likewise.
5239 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5240 when default cpu is niagara.
5241 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5242 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5243 just like v9/ultrasparc/ultrasparc3.
5244 * doc/invoke.texi: Add documentation for "niagara" and improve
5245 existing documentation for ultrasparc variants.
5247 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5249 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5251 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5253 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5254 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5255 and say that only one is needed.
5256 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5257 * target.h (have_switchable_bss_sections): New hook.
5258 * explow.c (use_anchored_address): Check that the symbol is in a block.
5259 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5260 (bss_noswitch_section): New variables.
5261 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5262 (get_noswitch_section): New function.
5263 (get_block_for_section): Allow SECT to be null.
5264 (unlikely_text_section_p): Use SECTION_STYLE.
5265 (bss_initializer_p): New function.
5266 (get_variable_section): Move earlier in file. Take a new argument,
5267 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5268 Return one of the new *_sections in such cases.
5269 (get_block_for_decl): New function, extracting some logic from
5270 use_blocks_for_decl_p.
5271 (change_symbol_section): Remove in favor of...
5272 (change_symbol_block): ...this new function.
5273 (use_blocks_for_decl_p): Remove checks now performed by
5275 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5276 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5277 (emit_local, emit_bss, emit_common): ...these new functions.
5278 Return true if the alignment was honored.
5279 (emit_tls_common): New function.
5280 (asm_emit_uninitialised): Delete.
5281 (assemble_variable_noswitch): New function, split out from...
5282 (assemble_variable): ...here. Don't make decisions about common
5283 variables here. Globalize all public decls that go into non-common
5284 sections. Check whether SYMBOL_REF_BLOCK is null.
5285 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5286 (output_constant_pool): Likewise.
5287 (init_varasm_once): Initialize the new section variables.
5288 (have_global_bss_p): New function.
5289 (categorize_decl_for_section): Use bss_initializer_p.
5290 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5291 (place_block_symbol): Assert that the symbol must be in a block.
5292 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5293 (TARGET_INITIALIZER): Include it.
5294 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5295 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5296 (SECTION_MACH_DEP): Bump by two.
5297 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5298 (unnamed_section): Mention SECTION_UNNAMED in comment.
5299 (named_section): Likewise SECTION_NAMED.
5300 (noswitch_section_callback): New type.
5301 (noswitch_section): New structure.
5302 (section): Add a noswitch_section alternative.
5303 (SECTION_STYLE): New macro.
5304 (tls_comm_section, comm_section, lcomm_section): Declare.
5305 (bss_noswitch_section, have_global_bss_p): Declare.
5306 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5307 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5309 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5310 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5313 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5315 * tree-vrp.c (execute_vrp): Return value.
5316 * regrename.c (rest_of_handle_regrename): Ditto.
5317 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5318 * tree-complex.c (tree_lower_complex): Ditto.
5319 (tree_lower_complex_O0): Ditto.
5320 * tracer.c (rest_of_handle_tracer): Ditto.
5321 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5322 * postreload.c (rest_of_handle_postreload): Ditto.
5323 * tree-tailcall.c (execute_tail_recursion): Ditto.
5324 (execute_tail_calls): Ditto.
5325 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5326 * tree.h (init_function_for_compilation): Ditto.
5327 * ipa-cp.c (ipcp_driver): Ditto.
5328 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5329 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5330 * final.c (compute_alignments): Ditto.
5331 (rest_of_handle_final): Ditto.
5332 (rest_of_handle_shorten_branches): Ditto.
5333 (rest_of_clean_state): Ditto.
5334 * omp-low.c (execute_expand_omp): Ditto.
5335 (execute_lower_omp): Ditto.
5336 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5337 * ipa-reference.c (static_execute): Ditto.
5338 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5339 * reorg.c (rest_of_handle_delay_slots): Ditto.
5340 (rest_of_handle_machine_reorg): Ditto.
5341 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5342 * flow.c (recompute_reg_usage): Ditto.
5343 (rest_of_handle_remove_death_notes): Ditto.
5344 (rest_of_handle_life): Ditto.
5345 (rest_of_handle_flow2): Ditto.
5346 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5347 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5348 (do_ssa_store_ccp): Ditto.
5349 (execute_fold_all_builtins): Ditto.
5350 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5351 * modulo-sched.c (rest_of_handle_sms): Ditto.
5352 * ipa-pure-const.c (static_execute): Ditto.
5353 * cse.c (rest_of_handle_cse): Ditto.
5354 (rest_of_handle_cse2): Ditto.
5355 * web.c (rest_of_handle_web): Ditto.
5356 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5357 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5358 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5359 * tree-nrv.c (tree_nrv): Ditto.
5360 (execute_return_slot_opt): Ditto.
5361 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5362 (create_structure_vars): Ditto.
5363 * loop-init.c (rtl_loop_init): Ditto.
5364 (rtl_loop_done): Ditto.
5365 (rtl_move_loop_invariants): Ditto.
5366 (rtl_unswitch): Ditto.
5367 (rtl_unroll_and_peel_loops): Ditto.
5368 (rtl_doloop): Ditto.
5369 * gimple-low.c (lower_function_body): Ditto.
5370 (mark_used_blocks): Ditto.
5371 * tree-ssa-sink.c (execute_sink_code): Ditto.
5372 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5373 (cgraph_early_inlining): Ditto.
5374 * global.c (rest_of_handle_global_alloc): Ditto.
5375 * jump.c (cleanup_barriers): Ditto.
5376 (purge_line_number_notes): Ditto.
5377 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5378 (rest_of_handle_if_after_reload): Ditto.
5379 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5380 (tree_ssa_loop_im): Ditto.
5381 (tree_ssa_loop_unswitch): Ditto.
5382 (tree_vectorize): Ditto.
5383 (tree_linear_transform): Ditto.
5384 (tree_ssa_loop_ivcanon): Ditto.
5385 (tree_ssa_empty_loop): Ditto.
5386 (tree_ssa_loop_bounds): Ditto.
5387 (tree_complete_unroll): Ditto.
5388 (tree_ssa_loop_prefetch): Ditto.
5389 (tree_ssa_loop_ivopts): Ditto.
5390 (tree_ssa_loop_done): Ditto.
5391 * predict.c (tree_estimate_probability): Ditto.
5392 * recog.c (split_all_insns_noflow): Ditto.
5393 (rest_of_handle_peephole2): Ditto.
5394 (rest_of_handle_split_all_insns): Ditto.
5395 * tree-eh.c (lower_eh_constructs): Ditto.
5396 * regmove.c (rest_of_handle_regmove): Ditto.
5397 (rest_of_handle_stack_adjustments): Ditto.
5398 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5399 * function.c (instantiate_virtual_regs): Ditto.
5400 (init_function_for_compilation): Ditto.
5401 (rest_of_handle_check_leaf_regs): Ditto.
5402 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5403 (rest_of_handle_gcse): Ditto.
5404 * ipa-type-escape.c (type_escape_execute): Ditto.
5405 * alias.c (rest_of_handle_cfg): Ditto.
5406 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5407 * profile.c (rest_of_handle_branch_prob): Ditto.
5408 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5409 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5410 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5411 * tree-dfa.c (find_referenced_vars): Ditto.
5412 * except.c (set_nothrow_function_flags): Ditto.
5413 (convert_to_eh_region_ranges): Ditto.
5414 (rest_of_handle_eh): Ditto.
5415 * emit-rtl.c (unshare_all_rtl): Ditto.
5416 (remove_unnecessary_notes): Ditto.
5417 * except.h (set_nothrow_function_flags): Ditto.
5418 (convert_to_eh_region_ranges): Ditto.
5419 * cfgexpand.c (tree_expand_cfg): Ditto.
5420 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5421 * tree-ssa-pre.c (do_pre): Ditto.
5422 (execute_fre): Ditto.
5423 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5424 (rest_of_handle_jump2): Ditto.
5425 * tree-sra.c (tree_sra): Ditto.
5426 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5427 (execute_mudflap_function_decls): Ditto.
5428 * tree-ssa-copy.c (do_copy_prop): Ditto.
5429 (do_store_copy_prop): Ditto.
5430 * ipa-prop.h (ipcp_driver): Ditto.
5431 * cfglayout.c (insn_locators_initialize): Ditto.
5432 * tree-ssa-forwprop.c
5433 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5434 * cfglayout.h (insn_locators_initialize): Ditto.
5435 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5436 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5437 (execute_late_warn_uninitialized): Ditto.
5438 * rtl.h (cleanup_barriers): Ditto.
5439 (split_all_insns_noflow): Ditto.
5440 (purge_line_number_notes): Ditto.
5441 (unshare_all_rtl): Ditto.
5442 (remove_unnecessary_notes): Ditto.
5443 (recompute_reg_usage): Ditto.
5444 (variable_tracking_main): Ditto.
5445 * integrate.c (emit_initial_value_sets): Ditto.
5446 * integrate.h (emit_initial_value_sets): Ditto.
5447 * tree-optimize.c (execute_free_datastructures): Ditto
5448 (execute_free_cfg_annotations): Ditto.
5449 (execute_fixup_cfg): Ditto.
5450 (execute_cleanup_cfg_pre_ipa): Ditto.
5451 (execute_cleanup_cfg_post_optimizing): Ditto.
5452 (execute_init_datastructures): Ditto.
5453 * tree-object-size.c (compute_object_sizes): Ditto.
5454 * combine.c (rest_of_handle_combine): Ditto.
5455 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5456 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5457 (rest_of_handle_reorder_blocks): Ditto.
5458 (rest_of_handle_partition_blocks): Ditto.
5459 * var-tracking.c (variable_tracking_main): Ditto.
5460 * tree-profile.c (tree_profiling): Ditto.
5461 * tree-vect-generic.c (expand_vector_operations): Ditto.
5462 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5463 * sched-rgn.c (rest_of_handle_sched): Ditto.
5464 (rest_of_handle_sched2): Ditto.
5465 * basic-block.h (free_bb_insn): Ditto.
5466 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5467 * tree-cfg.c (execute_build_cfg): Ditto.
5468 (remove_useless_stmts): Ditto.
5469 (split_critical_edges): Ditto.
5470 (execute_warn_function_return): Ditto.
5471 (execute_warn_function_noreturn): Ditto.
5472 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5473 * cfgrtl.c (free_bb_for_insn): Ditto.
5474 * passes.c (execute_one_pass): Run additional
5475 todos returned by execute function.
5476 * tree-pass.h (struct tree_opt_pass): Make execute
5479 2006-03-02 Richard Guenther <rguenther@suse.de>
5481 * tree-ssa-alias.c (find_used_portions): Consider taking
5482 the address as making the variable not write-only.
5484 2006-03-02 Nick Clifton <nickc@redhat.com>
5486 * config.gcc (default_use_cxa_atexit): Extend the description of
5487 this configure variable. Set its default value to "yes" for
5488 Linux, NetBSD and ELF targets on the assumption that they will
5489 use C libraries with the __cxa_atexit function.
5491 2006-03-02 Ben Elliston <bje@au.ibm.com>
5493 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5494 parameter as unused to suppress a build warning.
5496 2006-03-02 Ben Elliston <bje@au.ibm.com>
5498 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5501 2006-03-01 Roger Sayle <roger@eyesopen.com>
5504 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5505 declared name, the weak reference name, and the typeof name.
5506 (__gthrw): Avoid expanding the declared name suffix.
5507 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5509 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5511 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5513 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5514 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5515 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5516 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5517 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5518 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5519 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5520 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5521 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5522 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5523 (DW_END_default, DW_END_big, DW_END_little): New.
5524 (DW_END_lo_user, DW_END_hi_user): Define.
5525 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5526 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5527 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5530 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5532 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5534 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5536 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5538 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5540 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5541 to 'symbol_mem_tag'.
5543 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5546 2006-03-01 Roger Sayle <roger@eyesopen.com>
5548 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5550 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5553 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5554 MACHO_DYNAMIC_NO_PIC_P.
5555 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5557 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5560 * config/darwin-protos.h (darwin_asm_output_anchor):
5562 * config/darwin-sections.def (cstring_section):
5563 Add SECTION_MERGE to the flags.
5564 (literal4_section): Likewise.
5565 (literal8_section): Likewise.
5566 (objc_selector_refs_section): Likewise.
5567 (objc_cls_refs_section): Likewise.
5568 * config/darwin.c (darwin_asm_output_anchor): New
5570 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5572 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5574 Fix PR tree-optimization/26443
5575 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5576 to todo and PROP_tmt_usage to properties_destroyed.
5577 * tree-ssa-ccp.c (pass_ccp): Ditto.
5578 (pass_store_ccp): Ditto.
5579 * tree-ssa-dom.c (pass_dominator): Ditto.
5581 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5583 * tree-ssa-operands.c: Cleanup whitespace.
5584 (get_asm_expr_operands): Move before first invocation.
5585 (get_indirect_ref_operands): Likewise.
5586 (get_tmr_operands): Likewise.
5587 (get_call_expr_operands): Likewise.
5588 (append_def): Likewise.
5589 (append_use): Likewise.
5590 (append_v_may_def): Likewise.
5591 (append_v_must_def): Likewise.
5592 (add_call_clobber_ops): Likewise.
5593 (add_call_read_ops): Likewise.
5594 (add_stmt_operand): Likewise.
5595 (add_virtual_operand): Likewise.
5596 (build_ssa_operands): Likewise.
5598 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5603 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5604 with a call expr to ...
5605 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5607 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5609 * tree-vrp.c (extract_range_from_assert): Remove special
5610 handling for types with super-types.
5612 2006-03-01 Ben Elliston <bje@au.ibm.com>
5614 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5615 and powerpc64-*-linux* configurations.
5616 * config/t-dfprules: New file.
5618 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5619 Compile dfp-bit.c from the source directory using -DWIDTH and
5620 $DFP_CFLAGS to control the compilation of that file, rather than
5621 generating width-specific versions in the build directory.
5622 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5623 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5625 2006-02-28 Zack Weinberg <zackw@panix.com>
5627 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5630 2006-02-28 Eric Christopher <echristo@apple.com>
5632 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5633 Set up IN_LIBGCC definition of TARGET_64BIT.
5634 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5636 2006-02-28 Roger Sayle <roger@eyesopen.com>
5639 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5640 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5641 cases via the construction of "expr != 0".
5643 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5645 * alias.c (alias_invariant, alias_invariant_size): Remove.
5646 (record_base_value): Remove.
5647 (memrefs_conflict_p): Don't look at alias_invariant.
5648 (end_alias_analysis): Don't free it.
5649 * alias.h (record_base_value): Remove prototype.
5651 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5652 Adam Nemet <anemet@caviumnetworks.com>
5654 * rtl.h (truncated_to_mode): Declare it.
5655 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5656 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5657 (RTL_HOOKS_INITIALIZER): Include it.
5658 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5659 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5660 reg_truncated_to_mode.
5661 * rtlanal.c (truncated_to_mode): Define it.
5662 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5664 2006-02-28 Jeff Law <law@redhat.com>
5666 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5667 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5668 the range allowed by TYPE_PRECISION.
5670 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5672 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5674 PR tree-optimization/26419
5675 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5678 2006-02-27 Zack Weinberg <zackw@panix.com>
5680 * doc/md.texi: Fix typo in previous change.
5682 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5686 2006-02-27 Zack Weinberg <zackw@panix.com>
5688 * rtl.def (define_constraint, define_register_constraint)
5689 (define_memory_constraint, define_address_constraint): New MD forms.
5690 * gensupport.c (process_rtx): Put define_constraint etc on the
5692 * genpreds.c (process_define_predicate): Adjust comment. Validate
5693 the name, and call validate_exp to validate the expression.
5694 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5695 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5696 all callers changed.
5697 (validate_exp, needs_variable, struct constraint_data)
5698 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5699 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5700 (const_dbl_constraints, constraint_max_namelen)
5701 (have_register_constraints, have_memory_constraints)
5702 (have_address_constraints, have_address_constraints)
5703 (have_extra_constraints, have_const_int_constraints)
5704 (have_const_dbl_constraints, mangle, add_constraint)
5705 (process_define_constraint, process_define_register_constraint)
5706 (write_enum_constraint_num, write_lookup_constraint)
5707 (write_insn_constraint_len, write_regclass_for_constraint)
5708 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5709 (write_insn_extra_memory_constraint)
5710 (write_insn_extra_address_constraint)
5711 (write_satisfies_constraint_fns): New.
5712 (write_tm_preds_h): If we have new-style constraint definitions,
5713 prototype the functions generated from them, and define the
5714 old constraint interface (still used by generic code) in terms of
5716 (write_insn_preds_c): If we have new-style constraint definitions,
5717 generate all relevant functions from those definitions.
5718 (main): Handle define_constraint etc.
5719 * genoutput.c (struct constraint_data, indep_constraints)
5720 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5721 (mdep_constraint_len): New data structures and functions, defined
5722 #ifdef USE_MD_CONSTRAINTS.
5723 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5724 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5725 use new logic to validate operand constraints against constraint
5727 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5729 * defaults.h: If none of the old-style constraint macros are
5730 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5731 old-style macros; and poison REG_CLASS_FROM_LETTER,
5732 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5734 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5735 * doc/md.texi: Document new constraint-definition mechanism and the
5736 C interface it provides. Remove references to old mechanism
5737 elsewhere in the document.
5738 (Machine Constraints): Use pathnames relative to gcc directory,
5739 i.e. config/ARCH/FILE. Change i386 section to refer to
5740 config/i386/predicates.md; update that section to match docstrings.
5741 * doc/tm.texi: Move all documentation of the old constraint-
5742 definition macros to their own section, clearly mark as obsolete.
5744 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5745 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5747 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5748 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5749 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5751 (splits and peepholes): Use satisfies_constraint_*.
5752 * config/i386/i386.c (memory_address_length)
5753 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5755 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5757 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5758 scalar operation to be put back into the loop.
5760 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5763 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5764 (extract_cie_info): Handle S flag in augmentation string.
5765 (execute_cfa_program): If context->signal_frame, execute also
5766 fs->pc == context->ra instructions.
5767 (uw_frame_state_for): If context->signal_frame, don't subtract one
5768 from context->ra to find FDE.
5769 (uw_update_context_1): Set context->signal_frame to
5771 (_Unwind_GetIPInfo): New function.
5772 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5773 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5775 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5776 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5777 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5778 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5779 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5780 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5781 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5782 x86_64_fallback_frame_state): Set fs->signal_frame.
5783 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5784 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5785 (frob_update_context): Likewise. Workaround missing S flag in
5786 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5787 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5788 Remove the psw_addr + 1 hack.
5790 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5792 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5793 with aggregates here.
5794 (find_func_aliases): Remove code for &<aggregate> from here.
5796 2006-02-26 Roger Sayle <roger@eyesopen.com>
5798 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5799 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5800 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5803 2006-02-26 Roger Sayle <roger@eyesopen.com>
5806 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5808 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5810 * opts.c (decode_options): Do not handle flag_strength_reduce.
5811 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5812 and OPT_fstrength_reduce.
5813 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5814 flag_prefetch_loop_arrays for being nonzero.
5815 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5817 (fprefetch-loop-arrays-rtl): Removed.
5818 (flag_prefetch_loop_arrays): Do not specify the value.
5820 * doc/passes.texi: Update documentation of loop optimizer
5822 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5823 -frerun-loop-opt): Remove.
5825 2006-02-26 Richard Guenther <rguenther@suse.de>
5827 PR tree-optimization/26421
5828 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5829 in function calls that are ADDR_EXPRs as using the whole structure.
5831 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5833 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5834 * tree-pass.h (pass_loop_optimize): Remove.
5835 * passes.c (pass_loop_optimize): Never run it.
5836 * toplev.c (backend_init): Don't call init_loop.
5837 * opts.c (flag_loop_optimize_set): Remove.
5838 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5839 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5840 the old RTL loop optimizer when profiling enabled.
5841 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5842 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5843 pre-headers for the sake of the old RTL loop optimizer.
5844 * Makefile.in: Remove all references to loop.o.
5846 * doc/invoke.texi: Remove all references to -floop-optimize
5847 and -frerun-loop-opt.
5849 2006-02-26 Zack Weinberg <zackw@panix.com>
5851 * doc/md.texi (Machine Constraints): Refer to all files with paths
5852 relative to gcc directory (i.e. config/CPU/file). Add missing
5853 @table @code ... @end table to M32C subsection.
5855 2006-02-26 Roger Sayle <roger@eyesopen.com>
5857 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5859 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5861 2006-02-26 Roger Sayle <roger@eyesopen.com>
5862 James A. Morrison <phython@gcc.gnu.org>
5865 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5866 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5867 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5868 signedness of the shift operation.
5870 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5872 PR tree-optimization/26359
5873 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5875 2006-02-25 Roger Sayle <roger@eyesopen.com>
5877 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5878 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5879 as X == 0, and some symmetry related transformations.
5880 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5882 2006-02-25 Roger Sayle <roger@eyesopen.com>
5885 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5886 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5887 symmetry related transformations. Fold (X^C1) == C2 as
5890 2006-02-25 Juergen Weigert <jw@suse.de>
5891 Richard Guenther <rguenther@suse.de>
5893 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5895 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5897 * combine.c (gen_lowpart_or_truncate): Call
5898 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5900 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5902 * doc/invoke.texi: Move -fopenmp description to "Options for
5904 Remove reference to -lgomp.
5906 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5908 * doc/install.texi: Require GNU tar version 1.14.
5910 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5912 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5913 * doc/invoke.texi (C++ Dialect Options): Document
5914 -fno-use-cxa-get-exception-ptr.
5915 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5916 * configure: Regenerate.
5917 * c.opt (fuse-cxa-get-exception-ptr): New.
5918 * c-opts.c (c_common_handle_option): Handle
5919 OPT_fuse_cxa_get_exception_ptr.
5920 * c-common.c (flag_use_cxa_atexit): Update documentation.
5921 (flag_use_cxa_get_exception_ptr): New.
5922 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5923 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5925 (C_COMMON_OVERRIDE_OPTIONS): New.
5927 2006-02-24 Roger Sayle <roger@eyesopen.com>
5930 * combine.c (try_combine): Explicitly check whether GET_CODE is
5931 a SET or a CLOBBER, instead on checking that it isn't a USE.
5933 2006-02-24 Roger Sayle <roger@eyesopen.com>
5935 * fold-const.c (fold_comparison): New subroutine of fold_binary
5936 containing transformations common to both the equality and
5937 ordering relational operators, factored out of fold_binary.
5938 (fold_binary): Separate out the equality operators (EQ_EXPR
5939 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5940 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5941 transformations common to both.
5942 (fold_div_compare): Fix latent bugs in the previously unreachable
5943 LT_EXPR and GE_EXPR cases.
5945 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5947 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5948 decl libname for clog to __clog on AIX.
5950 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5952 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5955 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5956 output traceback table for thunks. Localise rs6000_stack_info call.
5958 2006-02-23 Roger Sayle <roger@eyesopen.com>
5959 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5961 * gthr-posix.h (__gthrw): Fix typo in comment.
5963 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5965 * doc/cpp.texi (Character sets): Document that we do support
5966 input files to be in any character set.
5968 2006-02-23 Jeff Law <law@redhat.com>
5970 * tree.h (PHI_ARG_NONZERO): Remove.
5971 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5972 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5973 node to the new node.
5975 PR tree-optimization/26425
5976 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5977 min/max, then assume its varying.
5979 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5981 PR rtl-optimization/26316
5982 * rtlanal.c (enum may_trap_p_flags): New.
5983 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5984 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5985 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5986 (may_trap_after_code_motion_p): New function.
5987 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5988 (find_invariant_insn): Use may_trap_after_code_motion_p.
5989 * rtl.h (may_trap_after_code_motion_p): Declare.
5991 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5993 * emit-rtl.c (immed_double_const): Cleanup.
5995 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5997 Fix PR tree-optimization/26376
5998 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6001 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6004 * gimplify.c (omp_add_variable): Guard variable size decl test with
6005 DECL_SIZE (decl) check.
6007 2006-02-23 Richard Guenther <rguenther@suse.de>
6010 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6011 like aggregate types.
6013 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6015 * configure.ac: Add --with{,out}-long-double-128 configure option.
6016 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6017 * configure: Rebuilt.
6018 * config.in: Rebuilt.
6019 * doc/install.texi (Options specification): Document
6020 --with-long-double-128.
6022 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6023 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6024 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6025 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6027 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6029 * config/s390/s390.c (override_options): Handle
6030 TARGET_DEFAULT_LONG_DOUBLE_128.
6032 * config/alpha/alpha.c (override_options): Handle
6033 TARGET_DEFAULT_LONG_DOUBLE_128.
6035 * config/sparc/sparc.c (sparc_override_options): Handle
6036 TARGET_DEFAULT_LONG_DOUBLE_128.
6038 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6040 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6041 (real-install-headers-tar, real-install-headers-cpio)
6042 (real-install-headers-cp): New targets.
6044 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6046 * tree.h (variable_section): Delete.
6047 * varasm.c (variable_section): Delete.
6049 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6051 * install.texi: Add notes on install.texi2html.
6052 (Building in parallel): Do not use footnotes.
6054 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6057 * doc/install.texi (Configuration): Document --disable-libgomp.
6059 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6061 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6063 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6065 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6066 (vec_extractv2df_0_sse): New.
6068 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6070 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6071 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6072 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6073 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6074 to the result of the expression.
6075 (def_cfa_1): Adjust.
6076 (frame_pointer_cfa_offset): Rename to...
6077 (frame_pointer_fb_offset): ... this. Adjust all uses.
6078 (convert_cfa_to_loc_list): Rename to...
6079 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6080 Pass it on to build_cfa_loc.
6081 (compute_frame_pointer_to_cfa_displacement): Rename to...
6082 (compute_frame_pointer_to_fb_displacement): ... this. New
6083 offset parameter. Use it in computation.
6084 (gen_subprogram_die): Compute cfa_fb_offset with the new
6085 macro, and use it to compute the fb loc list and the
6088 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6090 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6091 replaced with register_operand.
6092 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6093 non-DREG is expensive.
6094 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6095 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6098 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6100 * doc/install.texi2html: Use set -e.
6102 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6104 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6105 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6106 * doc/invoke.texi (-fshared-data): Delete.
6107 * common.opt (fshared-data): Delete.
6108 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6109 (assemble_static_space): Remove #if 0 code.
6110 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6111 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6112 * config/cris/cris.h: Remove FIXME.
6114 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6116 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6119 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6122 * combine.c (simplify_shift_const_1): Disable nested shifts
6123 optimization for vector shifts.
6125 2006-02-20 Roger Sayle <roger@eyesopen.com>
6127 PR tree-optimization/26361
6128 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6129 of unsigned integer types.
6131 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6133 * tree-chrec.c (eq_evolutions_p): New.
6134 * tree-chrec.h (eq_evolutions_p): Declared.
6135 * tree-data-ref.c: Fix formatting.
6136 (datadep_stats, dependence_stats): New.
6138 (print_direction_vector): New.
6139 (dump_data_dependence_relation): Use print_direction_vector.
6140 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6141 (compute_subscript_distance): Static.
6142 (initialize_data_dependence_relation): Static. Get the number
6143 of loops surrounding the references from the callers, and initialize
6144 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6145 base_object_differ_p analyzers.
6146 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6147 compute_overlap_steps_for_affine_1_2,
6148 analyze_subscript_affine_affine): Count the classified dependences.
6149 Print a message when a test failed.
6150 (can_use_analyze_subscript_affine_affine): New.
6151 (analyze_siv_subscript): Compute the data dependences on symbolic
6152 scevs that verify can_use_analyze_subscript_affine_affine.
6153 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6154 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6155 Handle symbolic scevs.
6156 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6158 (subscript_dependence_tester): Moved...
6159 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6160 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6161 DDR_SIZE_VECT instead of getting it in parameter.
6162 (subscript_dependence_tester): ... here. Take as a parameter
6163 loop_nest_depth. Call build_classic_dist_vector and
6164 build_classic_dir_vector.
6165 (compute_affine_dependence): Update subscript_dependence_tester
6166 parameters. Update datadep_stats counters. Call
6167 compute_subscript_distance.
6168 (compute_self_dependence): Save the dist and dir vectors. Call
6169 compute_subscript_distance.
6170 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6171 (compute_all_dependences): Reorder parameters as they were before
6172 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6173 compute_subscript_distance. Update the use of
6174 compute_affine_dependence and initialize_data_dependence_relation.
6175 (find_data_references_in_loop): Handle COMPONENT_REF.
6176 (compute_data_dependences_for_loop): Initialize dependence_stats.
6177 Don't call build_classic_dist_vector and build_classic_dir_vector.
6178 Update the parameters of initialize_data_dependence_relation and
6179 compute_all_dependences. Print the statistics from datadep_stats.
6180 (analyze_all_data_dependences): Static. Not used until the pass for
6181 checking the data dependences is contributed.
6182 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6183 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6184 (initialize_data_dependence_relation, compute_affine_dependence,
6185 analyze_all_data_dependences, compute_subscript_distance): Removed.
6186 (print_direction_vector): New.
6187 * lambda.h (gcd): ... here.
6188 (lambda_vector_gcd): Moved here from gcd_vector.
6189 * lambda-code.c (gcd, gcd_vector): Removed.
6190 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6191 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6193 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6195 * ipa-type-escape.c: Tidy some comments and white space.
6196 * tree-ssa-operands.c: Likewise.
6198 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6201 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6202 (dump_decl_name): Do not walk the decl tree chains.
6203 * tree-pass.h (TDF_CHAIN): Remove.
6205 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6207 * Makefile.in (C): Remove
6209 (.PHONY): Remove C and PROTO
6211 2006-02-20 Roger Sayle <roger@eyesopen.com>
6214 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6215 deprecated CHAR_TYPE tree code.
6217 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6219 * configure.ac (target_list): Add install-info, dvi, html.
6220 * configure: Regenerate.
6222 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6223 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6224 treelang/Make-lang.in: Do not use double-colon rules.
6226 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6228 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6229 (TMT_USED_ALONE): New macro.
6230 * tree-pass.h (PROP_tmt_usage): New property.
6231 (TODO_update_tmt_usage): New todo.
6232 * tree-ssa-alias.c (updating_used_alone): New variable.
6233 (recalculate_used_alone): New function.
6234 (compute_may_aliases): Set updating_used_alone, call
6235 recalculate_used_alone.
6236 * tree-sra.c (pass_sra): Note that this pass destroys
6237 PROP_tmt_usage, and add TODO_update_tmt_usage.
6238 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6239 * tree-flow.h (updating_used_alone): Prototype.
6240 (recalculate_used_alone): Ditto.
6241 * passes.c (execute_todo): Add code to set updating_used_alone,
6242 and call recalculate.
6243 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6244 for clobber if used alone, and add assert to verify used_alone
6247 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6249 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6250 for non tls symbols added.
6251 (legitimize_address): Do nothing for PLUS expressions if one of the
6252 addends is a tls symbol reference.
6254 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6258 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6260 * Makefile.in (BOOTSTRAPPING): New.
6261 (quickstrap): New definition if BOOTSTRAPPING=yes.
6263 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6264 * configure.ac: Substitute all_selected_languages with the languages
6265 that were configured. For all the other variables except
6266 lang_specs_files, include all the languages in the tree.
6267 * configure: Regenerate.
6269 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6270 if there is one. Run the commands to run fixincludes in the same
6273 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6274 * doc/install.texi: Document exact conventions for searching target tools.
6275 Document --with-build-time-tools. Document toplevel bootstrap. Document
6276 something more about building an Ada cross-compiler. Don't list GNU Make
6277 requirements which affect all platforms.
6279 2006-02-19 Roger Sayle <roger@eyesopen.com>
6282 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6283 only equivalent if the have both the same mode and precision.
6285 2006-02-20 Ben Elliston <bje@au.ibm.com>
6287 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6289 2006-02-19 Roger Sayle <roger@eyesopen.com>
6290 Steven Bosscher <stevenb.gcc@gmail.com>
6292 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6293 constant pool references to identify stack mode constants.
6294 * rtlanal.c (constant_pool_constant_p): New predicate to check
6295 whether operand is a floating point constant in the pool.
6296 * rtl.h (constant_pool_constant_p): Prototype here.
6297 * loop.c (scan_loop): Avoid hoisting constants from the constant
6298 pool on STACK_REGS targets.
6299 (load_mems): Likewise.
6300 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6301 loads into x87 registers expensive in terms of register pressure.
6303 2006-02-19 Roger Sayle <roger@eyesopen.com>
6305 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6306 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6308 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6310 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6311 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6313 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6315 * doc/invoke.texi: Document -fipa-pta.
6316 * common.opt: Add ipa-pta option.
6317 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6318 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6319 (do_ds_constraint): Ditto.
6320 (get_constraint_for): Only add to referenced_vars if
6321 referenced_vars exists.
6322 (insert_into_field_list): Rewrite to do this unsorted.
6323 (insert_into_field_list_sorted): Rename old insert_into_field_list
6325 (create_function_info_for): Use insert_into_field_list_sorted.
6326 (create_variable_info_for): Rewrite so it uses unsorted version,
6327 since the field list is sorted.
6328 (intra_create_variable_infos): Only add to referenced_vars if
6329 referenced_vars exists.
6330 (ipa_pta_execute): Init heapvars, and delete when done.
6331 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6333 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6335 * doc/install.texi: Add missing `@samp'.
6337 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6339 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6342 2006-02-18 Mark Wielaard <mark@klomp.org>
6344 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6345 who added new 4.1 features, bug fixes and integration support.
6347 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6350 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6353 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6355 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6356 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6357 (copy_insn_1): Likewise. Don't copy each field individually.
6359 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6361 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6362 * rtl.c (rtx_size): Rename variable to...
6363 (rtx_code_size): ...this.
6364 (rtx_size): New function.
6365 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6366 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6368 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6369 * rtl.h (rtx_code_size): New variable.
6370 (rtx_size): Change from a variable to a function.
6371 (RTX_SIZE): Rename to...
6372 (RTX_CODE_SIZE): ...this.
6375 PR tree-optimization/17106
6376 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6377 (Anchored Addresses): New section.
6378 * doc/invoke.texi (-fsection-anchors): Document.
6379 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6380 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6381 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6382 * hooks.c (hook_bool_mode_rtx_false): New function.
6383 * hooks.h (hook_bool_mode_rtx_false): Declare.
6384 * gengtype.c (create_optional_field): New function.
6385 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6386 SYMBOL_REF_IN_BLOCK_P is true.
6387 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6388 (min_anchor_offset, max_anchor_offset): Likewise.
6389 (use_anchors_for_symbol_p): New hook.
6390 * toplev.c (compile_file): Call output_object_blocks.
6391 (target_supports_section_anchors_p): New function.
6392 (process_options): Check that -fsection-anchors is only used on
6393 targets that support it and when -funit-at-a-time is in effect.
6394 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6395 if the decl doesn't have one.
6396 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6397 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6398 of force_const_mem through use_anchored_address.
6399 (expand_expr_constant): New function.
6400 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6401 calling expand_expr for INDIRECT_REF.
6402 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6403 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6404 * expr.h (use_anchored_address): Declare.
6405 * loop-unroll.c: Don't declare rtx vectors here.
6406 * explow.c: Include output.h.
6407 (validize_mem): Call use_anchored_address.
6408 (use_anchored_address): New function.
6409 * common.opt (-fsection-anchors): New switch.
6410 * varasm.c (object_block_htab, anchor_labelno): New variables.
6411 (hash_section, object_block_entry_eq, object_block_entry_hash)
6412 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6413 (use_blocks_for_decl_p, change_symbol_section): New functions.
6414 (get_variable_section): New function, split out from assemble_variable.
6415 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6416 use_blocks_for_decl_p say so. Use change_symbol_section if the
6417 symbol has already been created.
6418 (assemble_variable_contents): New function, split out from...
6419 (assemble_variable): ...here. Don't output any code for
6420 block symbols; just pass them to place_block_symbol.
6421 Use get_variable_section and assemble_variable_contents.
6422 (get_constant_alignment, get_constant_section, get_constant_size): New
6423 functions, split from output_constant_def_contents.
6424 (build_constant_desc): Create a block symbol if use_object_blocks_p
6425 says so. Or into SYMBOL_REF_FLAGS.
6426 (assemble_constant_contents): New function, split from...
6427 (output_constant_def_contents): ...here. Don't output any code
6428 for block symbols; just pass them to place_section_symbol.
6429 Use get_constant_section and get_constant_alignment.
6430 (force_const_mem): Create a block symbol if use_object_blocks_p and
6431 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6432 (output_constant_pool_1): Add an explicit alignment argument.
6433 Don't switch sections here.
6434 (output_constant_pool): Adjust call to output_constant_pool_1.
6435 Switch sections here instead. Don't output anything for block symbols;
6436 just pass them to place_block_symbol.
6437 (init_varasm_once): Initialize object_block_htab.
6438 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6439 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6440 (place_block_symbol, get_section_anchor, output_object_block)
6441 (output_object_block_htab, output_object_blocks): New functions.
6442 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6443 (TARGET_ASM_OUT): Include it.
6444 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6445 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6446 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6447 (TARGET_INITIALIZER): Include them.
6448 * rtl.c (rtl_check_failed_block_symbol): New function.
6449 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6450 (block_symbol, object_block): New structures.
6451 (rtx_def): Add a block_symbol field to the union.
6452 (BLOCK_SYMBOL_CHECK): New macro.
6453 (rtl_check_failed_block_symbol): Declare.
6454 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6455 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6456 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6457 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6458 * output.h (output_section_symbols): Declare.
6459 (object_block): Name structure.
6460 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6461 (default_use_anchors_for_symbol_p): Declare.
6462 * Makefile.in (RTL_BASE_H): Add vec.h.
6463 (explow.o): Depend on output.h.
6464 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6465 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6466 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6467 (rs6000_use_blocks_for_constant_p): New function.
6469 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6471 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6473 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6476 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6479 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6481 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6485 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6488 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6489 instead of DECL_REGISTER.
6491 2006-02-18 Olivier Hainque <hainque@adacore.com>
6494 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6496 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6499 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6500 * opth-gen.awk: Handle Var and InverseMask together.
6501 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6502 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6503 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6504 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6506 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6507 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6508 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6509 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6510 LINUX_DYNAMIC_LINKER): Define.
6511 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6512 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6514 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6515 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6516 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6518 (TARGET_C99_FUNCTIONS): Don't define.
6519 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6520 GLIBC_DYNAMIC_LINKER.
6521 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6522 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6523 GLIBC_DYNAMIC_LINKER64): Define.
6524 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6525 LINUX_DYNAMIC_LINKER64.
6526 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6528 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6529 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6530 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6531 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6532 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6533 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6534 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6535 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6536 and LINUX_DYNAMIC_LINKER32.
6537 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6538 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6539 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6540 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6541 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6543 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6544 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6545 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6546 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6547 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6548 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6549 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6550 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6551 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6552 LINUX_DYNAMIC_LINKER): Define.
6553 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6554 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6555 GLIBC_DYNAMIC_LINKER64): Define.
6556 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6557 LINUX_DYNAMIC_LINKER64.
6558 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6559 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6560 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6561 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6562 LINUX_DYNAMIC_LINKER): Define.
6563 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6564 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6565 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6566 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6567 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6568 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6569 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6570 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6571 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6572 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6573 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6574 * doc/invoke.texi (-muclibc): Remove caveat about supported
6577 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6579 * doc/cpp.texi (__TIMESTAMP__): Document.
6581 2006-02-17 Roger Sayle <roger@eyesopen.com>
6584 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6585 C is one less than the width of X (and related transformations).
6586 * simplify-rtx.c (simplify_unary_operation_1): Transform
6587 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6588 depending on STORE_FLAG_VALUE, were C is one less then the
6591 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6593 Fix PR tree-optimization/26341
6594 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6595 about NAME_MEMORY_TAG's.
6597 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6600 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6601 with hardware float support, and software float support. Add fcpy
6602 alternative to hardware patterns. Add alternatives to copy between
6603 general and floating-point registers to the 32-bit pattern.
6604 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6605 secondary reload to load a QI or HI mode constant into a floating
6607 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6608 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6610 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6613 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6615 (load_macho_picbase_di): Likewise.
6617 2006-02-16 Jeff Law <law@redhat.com>
6619 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6620 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6621 (ssa_name_nonzero_p): Likewise.
6622 (get_value_range): Return NULL if VRP is not running.
6623 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6624 VRP routines do not discover a range.
6625 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6626 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6627 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6628 (tree_expr_nonnegative_p): Similarly.
6629 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6630 (restore_nonzero_vars_to_original_value): Remove.
6631 (unsafe_associative_fp_binop): Remove.
6632 (tree_ssa_dominator_optimize): Remove initialization and
6633 finalization of nonzero_vars and nonzero_vars_stack.
6634 (dom_opt_initialize_block): No longer push marker on
6636 (dom_opt_finalize_block): No longer call
6637 restore_nonzero_vars_to_original_value.
6638 (record_equivalences_from_phis): No longer look for
6639 nonzero PHI arguments.
6640 (cprop_into_successor_phis): No longer propagate nonzero
6641 property into PHI arguments. Lose unused argument. Caller
6643 (record_equivalences_from_stmt): No longer record nonzero
6644 values for SSA_NAMEs.
6645 (lookup_avail_expr): No longer use nonzero_vars.
6647 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6648 for sizetype when sizetype is unsigned.
6650 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6652 PR rtl-optimization/25603
6653 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6654 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6655 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6656 with new meaning of SETS.
6658 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6663 * config/linux.opt: New file.
6664 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6665 LINUX_DYNAMIC_LINKER): Define.
6666 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6667 * config.gcc (*-*-linux*): Define extra_options.
6668 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6669 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6670 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6671 GLIBC_DYNAMIC_LINKER.
6672 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6673 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6674 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6675 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6676 * doc/invoke.texi (GNU/Linux Options): New section.
6678 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6680 * config/sparc/sparc.md (setjmp): Rewrite.
6681 (setjmp_32): Delete.
6682 (setjmp_64): Likewise.
6684 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6686 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6689 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6691 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6694 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6696 PR rtl-optimization/26296
6697 * Makefile.in (loop-invariant.c): Add except.h dependency.
6698 * loop-invariant.c: Include except.h.
6699 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6701 2005-02-16 Paul Brook <paul@codesourcery.com>
6703 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6706 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6708 PR rtl-optimization/25636
6709 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6710 when deciding whether an insn is an initializing insn.
6712 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6714 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6715 (tree_code_size): Ditto.
6716 * tree.h (struct tree_memory_tag): Remove parent_var.
6717 (struct tree_struct_field_tag): New.
6720 (union tree_node): Add sft member.
6721 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6723 (create_sft): Add size and offset argument, set SFT_OFFSET and
6725 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6726 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6727 * tree-flow-inline.h (get_subvar_at): Update for
6728 SFT_OFFSET/SFT_SIZE.
6729 (var_can_have_subvars): Ditto.
6730 (overlap_subvar): Ditto.
6731 * print-tree.c (print_node): Print out interesting things for
6733 * tree-flow.h (struct subvar): Remove offset and size members.
6734 * tree-ssa-operands.c (get_expr_operands): Update for
6735 get_indirect_ref_operands changes.
6736 (get_indirect_ref_operands): Call add_virtual_operand instead of
6737 add_stmt_operand. Only recurse on base var if requested.
6738 (access_can_touch_variable): New function.
6739 (add_stmt_operand): Split virtual operand handling into ...
6740 (add_virtual_operand): Here. Add offset, size, and for_clobber
6741 arguments. Prune alias sets.
6742 (add_call_clobber_ops): Call add_virtual_operand.
6744 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6747 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6749 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6750 than TREE_CODE as index into omp_clause_num_ops array.
6752 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6754 PR rtl-optimization/26184
6755 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6757 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6758 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6759 must_precede, must_follow and tobe_scheduled.
6762 * opts.c (common_handle_option): Free new_option pointer.
6763 * df-core.c (df_analyze): Free postorder pointer.
6765 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6767 * Makefile.in: Fix the examples about the use of stamps
6769 2006-02-15 Michael Matz <matz@suse.de>
6773 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6774 influenced by maximum_field_alignment or DECL_PACKED.
6775 (update_alignment_for_field): Ditto.
6776 (place_field): Ditto.
6777 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6780 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6782 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6783 (debug_flow_info): Pass it.
6784 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6785 * bb-reorder.c (reorder_basic_blocks): Likewise.
6786 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6787 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6788 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6789 * gcse.c (gcse_main, bypass_jumps): Likewise.
6790 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6791 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6792 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6793 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6794 * rtl.h (dump_flow_info): Adjust prototype.
6795 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6796 * var-tracking.c (variable_tracking_main): Likewise.
6797 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6798 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6801 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6803 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6806 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6808 PR tree-optimization/26209
6809 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6810 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6812 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6814 2006-02-14 Roger Sayle <roger@eyesopen.com>
6817 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6818 (X,Y) and the corresponding symmetry related transformations.
6819 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6820 (X,Y) and its symmetry related transformations.
6822 2006-02-14 Roger Sayle <roger@eyesopen.com>
6824 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6827 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6829 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6831 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6834 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6835 support COMDAT group.
6836 * configure: Regenerate.
6838 2006-02-14 Roger Sayle <roger@eyesopen.com>
6843 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6845 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6847 Fix PR tree-optimization/26260
6849 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6851 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6852 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6853 * tree-ssa-structalias.c (create_variable_info_for): Use
6854 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6856 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6858 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6860 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6861 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6862 of the ending condition.
6863 * tree-ssa-loop-manip.c: Include params.h.
6864 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6865 tree_unroll_loop): New functions.
6866 * tree-pass.h (pass_loop_prefetch): Declare.
6867 * loop.c (rest_of_handle_loop_optimize): Test for
6868 -fprefetch-loop-arrays-rtl.
6869 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6870 * timevar.def (TV_TREE_PREFETCH): New timevar.
6871 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6872 pass_loop_prefetch): New.
6873 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6874 (cleanup_tree_cfg_loop): Call scev_reset.
6875 * common.opt (fprefetch-loop-arrays-rtl): Add.
6876 * tree-ssa-loop-prefetch.c: New file.
6877 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6878 (new_temp_expr_table): Initialize expr_vars.
6879 (free_temp_expr_table): Cleanup expr_vars.
6880 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6881 expressions from being merged into one.
6882 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6883 (struct tree_niter_desc): Add control, bound and cmp fields.
6884 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6886 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6887 (tree-cfgcleanup.o): Add SCEV_H dependency.
6888 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6889 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6891 2006-02-14 Richard Guenther <rguenther@suse.de>
6893 PR tree-optimization/26258
6894 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6895 in PHI argument processing.
6897 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6899 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6900 new expression in the requested machine mode.
6902 2006-02-13 Roger Sayle <roger@eyesopen.com>
6904 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6905 directly, instead let do_compare_rtx_and_jump handle this for us.
6906 * expr.c (expand_expr_real_1): Likewise.
6907 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6908 before do_jump_by_parts_greater.
6909 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6910 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6912 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6914 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6916 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6918 PR rtl-optimization/26235
6919 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6920 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6923 2006-02-13 Jeff Law <law@redhat.com>
6925 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6928 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6931 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6932 twice if decl is a builtin. When trying again, call get_callee_fndecl
6933 first to verify it is still a builtin.
6935 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6937 * dwarf2out.c (base_type_die): Don't add AT_name here.
6938 (subrange_type_die): Don't add AT_name here.
6939 (modified_type_die): Rearrange code flow. Do add AT_name here.
6941 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6943 PR rtl-optimization/26247
6944 PR rtl-optimization/26248
6945 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6947 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6949 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6950 * config/fixtfdi.c: Likewise.
6951 * config/fixunstfdi.c: Likewise.
6952 * config/floatditf.c: Likewise.
6954 2006-02-13 Roger Sayle <roger@eyesopen.com>
6957 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6958 into (X,C2) if C1 is a subset of the bits of C2. Transform
6959 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6961 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6963 2006-02-13 Josh Conner <jconner@apple.com>
6966 * varasm.c (function_section): Check for section name before
6967 calling select_section on targets that define
6968 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6969 unlikely_text_section instead of hot_function_section if
6970 first_function_block_is_cold.
6972 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6975 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6977 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6979 PR rtl-optimization/26222
6980 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6981 after tree->rtl expansion.
6982 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6983 before passing it to emit_move_insn.
6985 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6987 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6989 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6990 Clarify documentation.
6991 * c-common.h (warn_write_strings): Remove.
6992 * c-common.c (warn_write_strings): Likewise.
6993 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6996 2006-02-12 Roger Sayle <roger@eyesopen.com>
6999 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7000 (do_jump_parts_zero_rtx): New function renamed from
7001 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7002 (do_jump_parts_equality_rtx): New function split out from
7003 do_jump_parts_equality. Old implementation renamed as above.
7004 Call do_jump_parts_zero_rtx if either operand is zero.
7005 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7006 do all of the heavy lifting.
7007 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7008 calling either do_jump_by_parts_greater_rtx or
7009 do_jump_by_parts_equality_rtx.
7010 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7011 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7012 moved to do_compare_rtx_and_jump, call it directly.
7013 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7014 mode argument. Call do_compare_rtx_and_jump.
7015 (emit_case_nodes): Update calls to do_jump_if_equal.
7017 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7019 PR rtl-optimization/26225
7020 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7022 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7024 PR rtl-optimization/26232
7025 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7027 2006-02-11 Jason Merrill <jason@redhat.com>
7030 * tree-inline.c (declare_return_variable): Just don't use the
7031 modify target if it's a gimple complex reg and the return slot
7034 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7036 * doc/contrib.texi: Update my entry.
7038 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7040 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7042 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7044 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7047 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7049 * doc/invoke.texi (-floop-optimize2): Removed.
7050 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7051 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7052 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7053 * common.opt (floop-optimize2): Removed.
7054 (fmove-loop-invariants): Enabled by default.
7056 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7058 * tree-if-conv.c (combine_blocks): Free the result of
7059 get_loop_exit_edges.
7061 2006-02-10 Jeff Law <law@redhat.com>
7063 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7065 PR tree-optimization/26213
7066 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7067 loop trying to follow SSA_NAME_VALUE chains.
7069 2006-02-10 Richard Guenther <rguenther@suse.de>
7071 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7072 deal with structures that end in implicitly variable sized arrays.
7074 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7076 PR rtl-optimization/24762
7077 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7080 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7082 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7083 (struct ivopts_data): Add regs_used field.
7084 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7085 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7086 instead of loop_data->regs_used;
7087 (free_loop_data): Do not free aux fields for loops.
7088 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7089 and tree_ssa_iv_optimize_finalize.
7091 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7093 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7095 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7098 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7099 computing the effective result type.
7101 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7104 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7105 (tree_overlaps_hard_reg_set): Declare.
7106 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7107 type and signature to match function type expected by walk_tree.
7108 (tree_overlaps_hard_reg_set): New function.
7109 (decl_conflicts_with_clobbers_p): Rename to:
7110 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7111 Use tree_overlaps_hard_reg_set. Changed caller.
7112 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7113 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7114 * cris.c (cris_md_asm_clobbers): Likewise.
7116 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7118 * reload1.c (emit_input_reload_insns): Delete code that tries to
7119 inherit using find_equiv_reg.
7121 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7123 * c-common.h (flag_const_strings): Don't declare.
7124 * c-common.c (flag_const_strings): Remove.
7125 * c.opt (fconst_strings): Remove.
7126 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7127 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7128 (c_common_init_options): Don't set flag_const_strings.
7129 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7131 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7133 * arm.md (tlobits_cbranch): New pattern.
7134 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7135 testing a single bit.
7137 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7140 * tree-ssa-pre.c (create_component_ref_by_pieces):
7141 Handle RETURN_DECL like VAR_DECL.
7143 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7146 * fold-const.c (fold_indirect_ref_1): Fold
7147 "*(foo *)&complexfoo" to "__real__ complexfoo"
7148 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7150 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7152 * tree-flow-inline.h (var_can_have_subvars):
7153 Volatile variables should not have subvariables.
7155 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7158 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7159 multiplying unsigned values.
7162 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7164 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7166 2006-02-08 Jason Merrill <jason@redhat.com>
7169 * tree.def: Elaborate on difference from MODIFY_EXPR.
7170 * doc/c-tree.texi (INIT_EXPR): Likewise.
7171 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7172 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7173 (gimplify_target_expr): Likewise.
7174 (gimplify_cond_expr): Remove target handling.
7175 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7176 (gimplify_expr): Clobber it here.
7177 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7178 Do return slot optimization if we have an INIT_EXPR.
7181 * tree-inline.c (declare_return_variable): Also clear
7182 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7185 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7188 * gimplify.c (gimplify_one_sizepos): Fix typo.
7190 2006-02-08 Jeff Law <law@redhat.com>
7192 PR tree-optimization/21417
7193 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7194 across a backedge if the control statement at the end of the
7195 block is data dependent on other statements in the same block.
7196 (record_temporary_equivalences_from_stmts): Remove over-conservative
7197 test for threading across backedges.
7199 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7200 control statement, handle all three special cases in the same
7201 manner as they all have the same desired solution. No longer
7202 special case edge flag updating when the post dominator is
7205 2006-02-08 Roger Sayle <roger@eyesopen.com>
7207 * tree.def (CHAR_TYPE): Remove.
7208 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7209 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7210 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7211 (gen_string_type_die): Delete unreachable function.
7213 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7214 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7215 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7216 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7217 * builtins.c (type_to_class): Likewise.
7218 * fold-const.c (fold_convert, build_range_check,
7219 merge_ranges): Likewise.
7220 * expr.c (count_type_elements): Likewise.
7221 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7222 * stor-layout.c (layout_type): Likewise.
7223 * ipa-type-escape.c (type_to_consider): Likewise.
7224 * gimplify.c (omp_firstprivatize_type_sizes,
7225 gimplify_type_sizes): Likewise.
7226 * explow.c (promote_mode): Likewise.
7227 * tree-sra.c (is_sra_scalar_type): Likewise.
7228 * varasm.c (output_constant): Likewise.
7229 * tree-inline.c (remap_type_1): Likewise.
7230 * convert.c (convert_to_pointer, convert_to_real,
7231 convert_to_integer, convert_to_complex): Likewise.
7233 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7235 * df-scan.c (df_def_record_1): A set destination may
7236 be a parallel regardless of mode.
7238 2006-02-08 Roger Sayle <roger@eyesopen.com>
7241 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7242 * config/mips/_tilib.c: Remove.
7243 * config/fixtfdi.c: New libgcc source file.
7244 * config/fixunstfdi.c: New source file.
7245 * config/floatditf.c: New source file.
7246 * config/floatunditf.c: New souce file.
7247 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7248 files above instead of config/mips/_tilib.c.
7249 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7251 2006-02-08 Jeff Law <law@redhat.com>
7253 PR tree-optimization/26169
7254 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7257 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7259 * df.h (DF_REG_SIZE): Return the length of the initialized
7262 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7264 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7265 __muldf3): Return a correctly signed zero.
7267 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7269 * passes.c (register_one_dump_file): Accept the current properties
7270 instead of pass number. Adjust call to dump_register. Remove
7272 (register_dump_files): Now a wrapper around...
7273 (register_dump_files_1): ... this one. Do not modify the pass
7275 (next_pass_1): Cosmetic fix.
7276 (execute_todo): Keep second parameter only. Use curr_properties
7277 instead of fetching it from the pass structure. Check and set
7279 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7280 instead of fetching it from the pass structure. Fix calls to
7281 execute_todo. Update curr_properties and initialize .vcg RTL dump
7282 after running the pass. Reset last_verified.
7283 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7285 (FIRST_AUTO_NUMBERED_DUMP): New.
7286 (dump_register): Remove "num" parameter, assign it within the
7288 (get_dump_file_name): Modify template for dumps.
7289 * tree-dump.h (dump_register): Adjust prototype.
7290 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7291 (PROP_trees): Add PROP_gimple_lomp.
7292 (TODO_set_props): New.
7293 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7294 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7295 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7297 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7299 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7300 (sparc64-*-linux*): Likewise.
7301 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7302 * config/sparc/t-linux: New file.
7303 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7304 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7305 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7306 -m32 -mlong-double-128.
7308 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7309 * config/alpha/t-linux: New file.
7310 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7312 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7313 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7314 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7315 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7316 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7317 (CPP_ARCH32_SPEC): Remove.
7319 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7321 PR tree-optimization/26145
7322 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7325 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7328 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7329 >= 240000 when generating code for SOM runtime.
7330 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7331 to $$dyncall when generating code for SOM runtime..
7333 2006-02-07 Dirk Mueller <dmueller@suse.com>
7336 * doc/invoke.texi (-Wsequence-point): Update documentation
7337 that -Wsequence-point is implemented for C++ as well.
7339 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7341 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7342 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7343 (LIB_SPEC): Likewise.
7344 * doc/invoke.texi (SPARC options): Document -pthread.
7346 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7348 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7351 2006-02-07 Roger Sayle <roger@eyesopen.com>
7353 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7354 Correct comment describing BOOLEAN_TYPE.
7356 2006-02-07 Dirk Mueller <dmueller@suse.com>
7358 * c.opt: C++ frontend supports -Wdiv-by-zero.
7359 * c-opts.c (c_common_handle_option): Remove dead case.
7361 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7363 * configure.ac (TLS assembler check): Do not enable TLS by
7364 default on SPARC/Solaris before version 10.
7365 * configure: Regenerate.
7367 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7369 * doc/invoke.texi (xl-compat): Document conversion and support
7372 2006-02-07 Jeff Law <law@redhat.com>
7374 * tree-vrp.c (find_conditional_asserts): Update comments.
7375 (simplify_stmt_for_jump_threading): New.
7376 (identify_jump_threads, finalize_jump_threads): New.
7377 (vrp_finalize): Call identify_jump_threads.
7378 (execute_vrp): Call finalize_jump_threads.
7379 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7380 (vrp_element, vrp_data, vrp_element_p): Remove.
7381 (vrp_hash_elt, vrp_variables_stack): Remove.
7382 (vrp_hash, vrp_eq, record_range): Remove.
7383 (simplify_cond_and_lookup_avail_expr): Remove.
7384 (extract_range_from_cond): Remove.
7385 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7386 (simplify_stmt_for_jump_threading): New.
7387 (dom_thread_across_edge): New wrapper.
7388 (tree_ssa_dominator_optimize): No longer initialize or
7389 finalize any of the VRP datastructures. Remove iteration
7390 step and simplify as a result of removal of iteration step.
7391 (pass_dominator): Perform a cfg cleanup after DOM.
7392 (dom_opt_finalize_block): Use the new common routines
7393 for threading jumps. Simplify stack management slightly.
7394 No longer need to unwind VRP state.
7395 (record_equivalences_from_incoming_edge): No longer record
7397 (eliminate_redundant_computations): No longer call
7398 simplify_cond_and_lookup_avail_expr.
7399 * tree-flow.h (potentially_threadable_block): Prototype.
7400 (thread_across_edge): Likewise.
7401 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7402 (tree-ssa-threadedge.o): Add dependencies.
7403 * tree-ssa-threadedge.c: New file.
7404 * passes.c (init_optimization_passes): Merge PHIs before
7405 calling VRP. Run VRP again late in the SSA optimization pipeline.
7407 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7409 * df-core.c (df_set_blocks): Do not dereference function pointers.
7410 (df_finish1): Likewise.
7411 (df_hybrid_search_forward): Likewise.
7412 (df_hybrid_search_backward): Likewise.
7413 (df_iterative_dataflow): Likewise.
7414 (df_analyze_problem): Likewise.
7415 (df_compact_blocks): Likewise.
7416 (df_dump): Likewise.
7417 * df-scan.c (df_rescan_blocks): Likewise.
7418 (df_record_entry_block_defs): Likewise.
7420 * genconditions.c (write_conditions): Guard the definition of
7421 'insn_conditions' with the check on GCC version.
7422 (write_writer): Guard the traversal 'insn_conditions' with
7423 the check on GCC version.
7425 2006-02-07 Richard Guenther <rguenther@suse.de>
7429 2006-01-30 Richard Guenther <rguenther@suse.de>
7431 * gimplify.c (gimplify_target_expr): Handle easy cases
7432 without creating a temporary.
7434 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7436 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7437 use of float in probability computations. Use edge probabilities
7438 in place of statically computed probabilities.
7439 (min_spec_prob): New static variable.
7440 (schedule_insns): Initialize it.
7441 (GET_SRC_PROB): Removed.
7442 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7444 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7447 * config/ia64/unwind-ia64.c: Revert last change.
7448 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7449 (INCOMING_FRAME_SP_OFFSET): Define.
7451 2006-02-06 Roger Sayle <roger@eyesopen.com>
7453 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7455 2006-02-07 Ben Elliston <bje@au.ibm.com>
7457 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7458 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7459 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7460 (ix86_return_in_memory): Handle TDmode.
7461 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7462 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7464 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7466 * reorg.c (dbr_schedule): Use dump_file instead of file.
7468 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7471 * config/ia64/predicates.md (extr_len_operand): New predicate.
7472 * config/ia64/ia64.md (extv): Tighten constraints.
7474 (*tbit_and_2): Ditto.
7475 (*tbit_and_3): Ditto.
7476 (*tbit_or_2): Ditto.
7477 (*tbit_or_3): Ditto.
7481 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7484 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7486 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7488 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7489 loop_optimizer_init and loop_optimizer_finalize
7490 * tree-ssa-sink.c (execute_sink_code): Ditto.
7491 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7492 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7493 tree_ssa_loop_done): Ditto.
7494 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7495 * sched-ebb.c: Include output.h.
7496 (schedule_ebbs): Do not use dump argument.
7497 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7498 * loop.c (loop_dump_stream): Removed.
7499 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7501 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7502 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7503 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7504 loop_iterations, strength_reduce, record_biv, record_giv,
7505 final_giv_value, check_final_value, check_ext_dependent_givs,
7506 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7507 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7508 dump_file instead of loop_dump_stream.
7509 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7511 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7513 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7514 * haifa-sched.c: Include output.h
7515 (schedule_insns, sched_init): Do not use dump argument.
7516 * mode-switching.c (optimize_mode_switching): Ditto.
7517 * modulo-sched.c (stats_file): Removed.
7518 (print_node_sched_params): Do not call argument dump_file.
7519 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7520 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7522 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7524 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7525 rtl_loop_init, rtl_loop_done): Ditto.
7526 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7527 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7529 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7530 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7531 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7532 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7533 * emit-rtl.c (renumber_insns): Ditto.
7534 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7535 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7536 * regclass.c (regclass): Ditto.
7537 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7538 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7539 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7540 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7542 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7543 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7545 * gcse.c (gcse_file, debug_stderr): Removed.
7546 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7547 rest_of_handle_gcse): Do not use dump argument.
7548 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7549 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7550 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7551 compute_code_hoist_vbeinout, compute_code_hoist_data,
7552 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7553 compute_store_table, build_store_vectors, insert_insn_start_bb,
7554 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7555 store_motion): Use dump_file instead of gcse_file.
7556 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7557 * profile.c (profile_dump_file): Removed.
7558 (branch_prob): Use dump_file instead of profile_dump_file.
7559 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7561 * tree-ssa-copy.c (dump_copy_of): Ditto.
7562 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7563 dump file to life_analysis.
7564 * bt-load.c (branch_target_load_optimize): Ditto.
7565 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7567 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7568 regclass, dbr_schedule): Declaration changed.
7569 * sched-int.h (sched_init): Declaration changed.
7570 * tree-profile.c (tree_profile_dump_file): Removed.
7571 (tree_profile_hooks): Removed profile_dump_file hook.
7572 * rtl-profile (rtl_profile_dump_file): Removed.
7573 (rtl_profile_hooks): emoved profile_dump_file hook.
7574 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7576 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7577 * tree-cfg.c (build_tree_cfg): Ditto.
7578 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7579 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7580 Declaration changed.
7581 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7582 life_analysis and schedule_insns.
7583 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7585 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7587 * config/mips/mips.c (mips_reorg): Ditto.
7588 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7591 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7593 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7594 (s390_mangle_fundamental_type): New.
7595 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7598 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7599 (alpha_mangle_fundamental_type): New.
7600 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7603 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7605 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7607 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7608 (sparc_mangle_fundamental_type): New.
7610 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7612 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7613 (s390x-*-linux*): Likewise.
7614 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7615 * config/s390/t-linux: New file.
7617 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7619 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7620 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7622 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7624 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7625 (ANTIC_SAFE_LOADS): New macro.
7626 (find_or_generate_expression): Add prototype.
7627 (set_contains_value): Allow null set for sake of not always having
7628 to allocate ANTIC_SAFE_LOADS.
7629 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7630 Allow COMPONENT_REF too.
7631 (valid_in_set): Allow COMPONENT_REF.
7632 Check ANTIC_SAFE_LOADS too.
7633 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7634 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7636 (can_PRE_operation): Add COMPONENT_REF.
7637 (create_component_ref_by_pieces): New function.
7638 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7639 (insert_aux): Move AGGREGATE_TYPE_P check here.
7640 (compute_avail): Set bb local stmt uids.
7641 (pass_pre): Use TODO_update_ssa_only_virtuals.
7643 2006-02-06 Ben Elliston <bje@au.ibm.com>
7645 * configure.ac: Unconditionally disable decimal float by default.
7646 * configure: Regenerate.
7648 2006-02-06 Ben Elliston <bje@au.ibm.com>
7650 * read-rtl.c (read_name): Terminate reading on EOF.
7652 2006-02-06 Ben Elliston <bje@au.ibm.com>
7654 * dfp.c (decimal_real_arithmetic): Change second argument type
7655 from int to enum tree_code. Do not always return true, but now
7656 return result of any call to decimal_do helper functions.
7657 * dfp.h (decimal_real_arithmetic): Update prototype.
7659 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7661 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7663 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7666 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7669 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7671 * tree-vrp.c (cfg_loops): Removed.
7672 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7673 Use current_loops instead of cfg_loops. Pass flags to
7674 loop_optimizer_init.
7675 * cfgloopmanip.c (fix_loop_structure): Update only available
7677 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7678 loop_optimizer_init.
7679 * modulo-sched.c (build_loops_structure): Removed.
7680 (sms_schedule): Use loop_optimizer_init.
7681 * loop-init.c (loop_optimizer_init): Use flags to determine
7682 which properties of loops to prepare.
7683 (rtl_loop_init): Pass flags to loop_optimizer_init.
7684 * tree-ssa-sink.c (execute_sink_code): Ditto.
7685 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7686 * tree-ssa-pre.c (init_pre): Ditto.
7687 * cfgloop.h (LOOPS_NORMAL): New.
7688 (loop_optimizer_init): Declaration changed.
7690 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7692 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7693 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7695 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7697 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7699 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7700 * pa/t-pa64: Delete quadlib.c rule.
7701 * pa/x-ada: Revert last change.
7702 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7704 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7706 PR rtl-optimization/26087
7707 * rtlanal.c (canonicalize_condition): Do not cross basic block
7710 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7713 * config/ia64/ia64.c: Include debug.h.
7714 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7715 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7716 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7717 (process_epilogue, process_set, process_for_unwind_directive):
7718 Output unwind info only if requested. Add CFA info if requested.
7719 Add new arguments as needed. Adjust callers.
7720 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7722 (DWARF2_FRAME_INFO): Define to zero.
7723 * config/ia64/unwind-ia64.c: Remove code that compensated for
7724 the CFA offset error fixed above.
7725 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7726 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7727 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7728 -funwind-tables and -fexceptions to enable frame info.
7729 (dwarf2out_frame_init): Define initial CFA even if
7730 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7731 DWARF2_UNWIND_INFO is nonzero, not just defined.
7732 (dwarf2out_frame_finish): Output non-EH call frame info only
7733 if DWARF2_FRAME_INFO is nonzero.
7734 (convert_cfa_to_loc_list,
7735 compute_frame_pointer_to_cfa_displacement): Define even if
7736 unwind info is not supported.
7737 (gen_subprogram_die): Use the above unconditionally. Remove
7738 legacy alternate code.
7739 * toplev.c (compile_file): Compile in call to
7740 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7741 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7743 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7744 Jakub Jelinek <jakub@redhat.com>
7746 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7747 IBM extended float format long double as "g" on powerpc*-linux.
7749 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7752 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7753 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7755 2006-02-03 Jason Merrill <jason@redhat.com>
7758 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7761 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7762 on the return slot if it's an NRV.
7764 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7766 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7767 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7768 rewrite_use): Do not handle USE_OUTER.
7769 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7770 add_iv_outer_candidates, may_replace_final_value,
7771 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7772 (find_interesting_uses_op): Functionality of
7773 find_interesting_uses_outer_or_nonlin moved here.
7774 (find_interesting_uses_outside): Use find_interesting_uses_op.
7776 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7779 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7781 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7782 Ulrich Weigand <uweigand@de.ibm.com>
7785 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7786 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7787 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7788 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7790 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7791 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7792 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7793 Define secondary reloads for TFmode moves.
7794 (constant_modes): Add TFmode.
7795 (NR_C_MODES): Set to 8.
7796 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7798 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7799 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7800 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7801 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7802 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7803 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7804 (FPR mode macro): Add TFmode.
7805 (DSF mode macro): New.
7806 (<de>, <dee> mode attributes): Removed.
7807 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7808 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7809 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7810 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7811 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7812 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7813 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7814 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7815 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7816 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7817 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7818 "*negabs<mode>2", "sqrt<mode>2"):
7819 Changed <de> to <xde>. R constraint replaced by <Rf>.
7820 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7822 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7823 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7824 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7826 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7827 "extenddftf2", "extendsftf2"): New expanders.
7828 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7829 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7830 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7831 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7833 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7834 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7835 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7836 __floatditf): Add a GCC_4.1.0 symbol version tag.
7837 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7840 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7843 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7844 Use targetm.binds_local_p instead of TREE_PUBLIC.
7846 2006-02-02 Roger Sayle <roger@eyesopen.com>
7848 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7849 on INTEGER_TYPEs to indicate that it denotes a character type.
7850 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7851 signed_char_type_node, unsigned_char_type_node and char_type_node.
7852 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7853 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7854 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7856 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7857 Daniel Berlin <dberlin@dberlin.org>
7859 * tree-tailcall.c (arg_needs_copy_p): New function.
7860 (eliminate_tail_call): Use arg_needs_copy_p.
7861 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7862 (add_virtual_phis): New function.
7864 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7866 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7867 #ignore instead of #scratch for %g7 .register directive.
7869 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7871 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7874 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7876 * flow.c (calculate_global_regs_live): Assert that there aren't any
7879 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7881 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7883 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7884 bsi_after_labels iterator.
7885 * tree-if-conv.c (find_phi_replacement_condition,
7886 replace_phi_with_cond_modify_expr): Likewise.
7887 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7888 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7890 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7892 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7894 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7897 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7898 array after growing it.
7900 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7903 * fold-const.c (fold_checksum_tree): Change type of buf.
7905 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7907 * reload.c (push_secondary_reload): Initialize t_icode.
7909 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7911 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7912 -msoft-float -mlong-double-128 only issue a warning, but don't
7913 swich to DFmode long double.
7915 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7917 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7918 has a constant equivalent, iterate over equivalents for arg0,
7919 calling simplify_relational_operation and if there's a result
7920 cheaper than X, apply fold_rtx and return the result.
7922 2006-02-01 Jan Hubicka <jh@suse.cz>
7924 * opts.c (no_unit_at_a_time_default): New global variable.
7925 (decode_options): Use it.
7926 * opts.h (no_unit_at_a_time_default): Declare.
7928 2006-02-01 Paul Brook <paul@codesourcery.com>
7930 * function.c (assign_parm_setup_reg): Use function argument promotion
7932 * expr.c (expand_expr_real_1): Use function argument promotion rules
7935 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7937 * gcc.c (process_command): Change j to 'unsigned int'.
7939 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7942 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7943 Use the corrected index for the character
7944 out of the string constant.
7946 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7948 * mode-switching.c (optimize_mode_switching): Fix size
7949 allocated for bb_info[n_entities].
7951 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7953 * gcc.c (main): Correct type that is allocated for
7954 explicit_link_files.
7956 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7958 * config/s390/s390.c (init_alignment_context): Set
7959 ALIAS_SET_MEMORY_BARRIER on the MEM.
7960 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7962 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7965 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7967 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7970 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7972 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7973 * regrename.c: Ditto.
7974 * tree-ssa-loop-im.c: Ditto.
7975 * tree-dump.c: Ditto.
7976 * tree-complex.c: Ditto.
7977 * genrecog.c: Ditto.
7978 * tree-ssa-threadupdate.c: Ditto.
7980 * java/class.c: Ditto.
7981 * java/jcf-parse.c: Ditto.
7982 * java/resource.c: Ditto.
7983 * java/except.c: Ditto.
7984 * java/jvspec.c: Ditto.
7985 * java/jcf-write.c: Ditto.
7986 * java/jcf-path.c: Ditto.
7987 * java/gjavah.c: Ditto.
7988 * java/zextract.c: Ditto.
7989 * java/jcf-io.c: Ditto.
7990 * java/jcf.h: Ditto.
7991 * java/buffer.c: Ditto.
7992 * java/lang.c: Ditto.
7993 * java/parse-scan.y: Ditto.
7994 * java/lex.c: Ditto.
7995 * java/lex.h: Ditto.
7996 * cfgloopmanip.c: Ditto.
7997 * postreload-gcse.c: Ditto.
7998 * tree-ssa-loop-manip.c: Ditto.
7999 * postreload.c: Ditto.
8000 * tree-ssa-loop-ch.c: Ditto.
8004 * diagnostic.c: Ditto.
8006 * genoutput.c: Ditto.
8008 * cfghooks.c: Ditto.
8009 * cfgloopanal.c: Ditto.
8010 * objc/objc-act.c: Ditto.
8012 * genextract.c: Ditto.
8013 * genautomata.c: Ditto.
8014 * pretty-print.c: Ditto.
8016 * cgraphunit.c: Ditto.
8019 * haifa-sched.c: Ditto.
8020 * dominance.c: Ditto.
8022 * tree-ssa-loop-ivopts.c: Ditto.
8024 * mode-switching.c: Ditto.
8025 * modulo-sched.c: Ditto.
8027 * ipa-pure-const.c: Ditto.
8029 * fix-header.c: Ditto.
8031 * tree-stdarg.c: Ditto.
8032 * ipa-utils.c: Ditto.
8033 * loop-init.c: Ditto.
8034 * ipa-inline.c: Ditto.
8037 * alloc-pool.c: Ditto.
8038 * dwarf2out.c: Ditto.
8040 * genattrtab.c: Ditto.
8041 * tree-ssa-loop-ivcanon.c: Ditto.
8045 * fortran/gfortranspec.c: Ditto.
8047 * local-alloc.c: Ditto.
8048 * langhooks.c: Ditto.
8049 * function.c: Ditto.
8050 * tree-vectorizer.c: Ditto.
8052 * ipa-type-escape.c: Ditto.
8054 * tree-if-conv.c: Ditto.
8057 * tree-data-ref.c: Ditto.
8058 * loop-unroll.c: Ditto.
8059 * treelang/treetree.c: Ditto.
8062 * ggc-common.c: Ditto.
8064 * coverage.c: Ditto.
8066 * tree-cfgcleanup.c: Ditto.
8067 * tree-ssa-pre.c: Ditto.
8068 * cfgcleanup.c: Ditto.
8069 * loop-invariant.c: Ditto.
8071 * ipa-prop.c: Ditto.
8072 * print-tree.c: Ditto.
8073 * conflict.c: Ditto.
8074 * ggc-page.c: Ditto.
8075 * sched-deps.c: Ditto.
8076 * regclass.c: Ditto.
8077 * tree-object-size.c: Ditto.
8079 * bb-reorder.c: Ditto.
8080 * resource.c: Ditto.
8081 * var-tracking.c: Ditto.
8083 * df-problems.c: Ditto.
8084 * reg-stack.c: Ditto.
8087 * sched-rgn.c: Ditto.
8088 * tree-ssa-structalias.c: Ditto.
8089 * tree-ssa-reassoc.c: Ditto.
8090 * config/darwin-c.c: Ditto.
8091 * config/darwin.c: Ditto.
8092 * config/arm/arm.c: Ditto.
8094 * collect2.c: Ditto.
8097 2006-01-31 Nicolas Pitre <nico@cam.org>
8099 * arm.md (smaxsi3): Make aware of smax_m1.
8102 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8104 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8106 2006-01-31 Richard Guenther <rguenther@suse.de>
8108 * doc/invoke.texi (-msselibm): Document.
8109 * target.h (expand_library_builtin): New target hook.
8110 * builtins.c (expand_builtin): Use expand_library_builtin.
8111 (default_expand_library_builtin): New function.
8112 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8113 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8114 (link_gcc_math_spec): Declare.
8115 (static_specs): Add link_gcc_math_spec.
8116 * expr.h (default_expand_library_builtin): Declare.
8117 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8118 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8119 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8120 * config/i386/i386.opt (msselibm): New target option.
8121 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8122 (ix86_init_sse_abi_builtins): New function.
8123 (ix86_expand_library_builtin): Likewise.
8124 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8125 (override_options): Handle error conditions wrt -msselibm.
8126 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8127 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8128 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8131 2006-01-31 Richard Guenther <rguenther@suse.de>
8132 Paolo Bonzini <bonzini@gnu.org>
8134 * doc/install.texi (--disable-libgcc-math): Document.
8136 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8138 * expr.h (expand_normal): new inline function.
8139 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8141 * dwarf2out.c: use it.
8146 * config/sparc/sparc.c: use it.
8147 * config/i386/i386.c: use it.
8148 * config/rs6000/rs6000.c: use it.
8149 * config/arm/arm.c: use it.
8150 * config/mips/mips.c: use it.
8151 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8153 2006-01-30 Roger Sayle <roger@eyesopen.com>
8155 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8156 argv to the appropriate type.
8158 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8160 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8163 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8166 * config/s390/s390.c (struct machine_function): New flag
8167 decomposed_literal_pool_addresses_ok_p.
8168 (s390_reorg): Set it before final stage of literal pool transforms.
8169 (s390_decompose_address): Only accept displacements of the form
8170 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8172 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8174 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8175 the comparison routine return.
8177 2006-01-30 Michael Matz <matz@suse.de>
8179 * global.c (find_reg): Only evict for global regs.
8180 Take n_refs into account and dump more info.
8182 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8185 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8186 (pragma_trap, pragma_nosave_low_regs): Likewise.
8187 (current_function_anonymous_args): Likewise.
8188 (sh_deferred_function_attributes): New variable.
8189 (sh_deferred_function_attributes_tail): Likewise.
8190 (print_operand): For '@', look up trap_exit attribute.
8191 (calc_live_regs): Look up trapa_handler attribute. For trapa
8192 handlers, save/restore fpscr, but don't do any other
8193 interrupt-specific saves.
8194 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8195 Fix check for partially saved registers to check for SHmedia.
8196 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8197 (sh_output_function_epilogue): Don't clear any of the removed
8199 (sh_insert_attributes): Don't check pragma_interrupt.
8200 Insert deferred attributes. Check that interrupt attribute is
8201 present for other attributes that require its presence.
8202 (sh_attribute_table): Add new attributes trapa_handler and
8204 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8205 Don't check for pragma_interrupt. Don't store argument.
8206 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8207 (sh_deferred_function_attributes): Declare.
8208 (sh_deferred_function_attributes_tail): Likewise.
8209 * sh.md (sp_switch_1): Add operand. Change generator caller.
8210 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8211 (*return_i): Don't use when trap_exit attribute is in effect.
8212 (*return_trapa): New insn pattern.
8214 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8215 setting c_target_objs and cxx_target_objs.
8216 * t-sh: Add rule for sh-c.o.
8218 2006-01-30 Richard Guenther <rguenther@suse.de>
8221 * gimplify.c (gimplify_target_expr): Handle easy cases
8222 without creating a temporary.
8224 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8226 * vec.h (safe_grow): Remove duplicated line.
8228 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8231 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8232 (expand_omp): ... here.
8233 (expand_omp_parallel): Only remove barriers for combined
8234 parallel+workshare constructs.
8236 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8240 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8241 * tree.c (build_qualified_type): Chain the new type to the original
8242 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8243 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8244 (build_pointer_type_for_mode): Only return unqualified types.
8245 (build_reference_type_for_mode): Likewise.
8247 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8249 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8250 * Makefile.in (CXX_COMPAT_WARN): Define.
8251 * configure: Regenerate.
8253 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8256 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8259 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8261 * toplev.c: Fix thinko.
8263 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8264 Marcin Dalecki <martin@dalecki.de>
8266 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8267 (push_srcloc): Use XNEW.
8268 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8270 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8272 * df-core.c (df_set_blocks): Deleted all variable.
8274 2006-01-28 Ian Lance Taylor <ian@airs.com>
8276 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8277 cgraph_output_pending_asms.
8279 2006-01-28 Zack Weinberg <zackw@panix.com>
8281 * c.opt: Add -W(no-)overlength-strings.
8282 * doc/invoke.texi: Document it.
8283 * c-opts.c (c_common_handle_option): -pedantic implies
8284 -Woverlength-strings, if not explicitly disabled already.
8285 (c_common_post_options): -Woverlength-strings defaults to off, and
8286 is always off for C++.
8287 * c-common.c (fix_string_type): Issue warning about strings longer
8288 than is portable only if warn_overlength_strings. Rearrange code
8289 a little for clarity.
8290 * configure.in: Check for -Wno-overlength-strings as well before
8291 enabling -pedantic in stage 1.
8292 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8293 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8295 * genconditions.c (write_header, write_one_condition)
8296 (write_conditions, write_writer): Consolidate very long strings
8297 that were broken up to fit in C89 portable limit. Don't use
8298 printf when fputs will do.
8300 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8302 * combine.c (simplify_comparison <AND>): Check
8303 TRULY_NOOP_TRUNCATION before start using a subreg.
8305 * config/mips/mips.md (*branch_zero<mode>,
8306 *branch_zero<mode>_inverted, *branch_equality<mode>,
8307 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8308 Remove mode check from comparisons.
8310 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8312 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8314 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8316 * expmed.c (const_mult_add_overflow_p): Remove.
8317 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8319 * recog.c (validate_replace_rtx_subexp): Remove.
8320 * recog.h: Remove the prototype for
8321 validate_replace_rtx_subexp.
8323 * integrate.h: Remove the prototype for
8324 copy_decl_for_inlining.
8325 * rtl.h: Remove the prototype for mark_constant_function.
8326 * tree-vectorizer.h: Remove the prototype for
8327 vect_strip_conversion.
8329 * modulo-sched.c (create_partial_schedule,
8330 free_partial_schedule, reset_partial_schedule): Make them
8333 * hooks.c (hook_bool_rtx_int_false): Remove.
8334 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8336 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8338 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8339 and -mlong-double-128 are incompatible.
8340 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8341 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8342 (TARGET_LIBGCC2_CFLAGS): Define.
8343 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8344 (TARGET_LIBGCC2_CFLAGS): Same.
8345 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8347 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8350 * c-typeck.c (build_binary_op): Perform implicit casts of
8351 operands before shortening them.
8353 * cfgloopmanip.c (split_loop_bb): Remove.
8354 * cfgloop.h: Remove the prototype for split_loop_bb.
8356 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8357 * cfgloop.h: Remove the prototype for
8358 flow_loop_outside_edge_p.
8360 * emit-rtl.c (init_virtual_regs): Make it static.
8361 * function.h: Remove the prototype for init_virtual_regs.
8363 * recog.c (peephole2_optimize): Make it static.
8364 * recog.h: Remove the prototype for peephole2_optimize.
8366 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8368 * df-scan.c (df_record_entry_block_defs): Check if
8369 INCOMING_RETURN_ADDR_RTX is defined.
8371 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8372 Kenneth Zadeck <zadeck@naturalbridge.com>
8374 PR rtl-optimization/24762
8375 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8376 * targhooks.c (hook_void_bitmap): New hook prototype.
8377 * targhoohs.h (hook_void_bitmap): Ditto.
8378 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8379 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8380 * target.h (live_on_entry): New function pointer.
8381 * df-scan.c (df_all_hard_regs): Removed.
8382 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8383 (df_scan_free_internal): Added df->entry_block_defs.
8384 (df_scan_alloc): Ditto.
8385 (df_scan_dump): Ditto.
8386 (df_uses_record): Plumbed flag field properly thru calls.
8387 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8388 This part fixes PR24762.
8389 (df_bb_refs_record): Added code to make the frame and arg
8390 pointers live in EH blocks.
8391 (df_refs_record): Added call to df_record_entry_block_defs.
8392 (df_record_entry_block_defs): New function.
8393 * df-core.c: Added comments to describe new artifical defs.
8394 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8395 (entry_block_defs): New field in struct df.
8396 (df_all_hard_regs): Deleted.
8397 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8398 * df-problems.c (df_ru_bb_local_compute_process_def):
8399 Added code to handle artifical defs in the entry to a function.
8400 (df_ru_bb_local_compute): Ditto.
8401 (df_rd_bb_local_compute_process_def): Ditto.
8402 (df_rd_bb_local_compute): Ditto.
8403 (df_lr_bb_local_compute): Ditto.
8404 (df_ur_bb_local_compute): Ditto.
8405 (df_urec_bb_local_compute): Ditto.
8406 (df_chain_create_bb): Ditto.
8407 (df_ur_local_finalize): Removed entry.
8408 (df_urec_init): Ditto.
8409 (df_urec_local_finalize): Ditto.
8410 (df_ri_bb_compute): Added detection of last use of pseudos.
8411 * Makefile.in (df-scan.o): Updated dependencies.
8412 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8413 * config/mips/mips.c (mips_set_live_on_entry): Added.
8414 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8416 * dce.c (marked_insn_p): Added code to handle artifical defs.
8418 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8420 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8422 (_mm_cvtsi128_si64): Likewise.
8423 (_mm_cvtsd_si64): Likewise.
8424 (_mm_cvttsd_si64): Likewise.
8425 (_mm_cvtsi64_sd): Likewise.
8426 (_mm_cvtsi64_si128): Likewise.
8427 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8428 (_mm_cvtsi64_m64): Likewise.
8429 (_m_to_int64): Likewise.
8430 (_mm_cvtm64_si64): Likewise.
8431 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8432 (_mm_cvttss_si64): Likewise.
8433 (_mm_cvtsi64_ss): Likewise.
8434 (_mm_cvtss_f32): Likewise.
8436 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8438 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8439 for pragma redefine_extname.
8441 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8444 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8445 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8446 -mno-minimal-toc to previous content.
8447 (bispecs): Remove goal.
8448 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8449 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8450 compatibility aliases on powerpc-*-*gnu*.
8451 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8452 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8453 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8454 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8455 (ldblspecs): New goal.
8456 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8457 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8459 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8460 L_sf_to_tf or L_df_to_tf is defined.
8462 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8463 Alan Modra <amodra@bigpond.net.au>
8466 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8467 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8468 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8469 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8470 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8471 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8472 (rs6000_override_options): Initialize rs6000_ieeequad.
8473 Initialize TFmode format to ibm_extended_format if not
8475 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8477 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8478 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8479 (function_arg_advance): IBM long double passed in two FPRs, not
8481 (function_arg): IBM long double passed in FPRs.
8482 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8483 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8484 Only multireg GPR aligned.
8485 (rs6000_init_libfuncs): Enable IBM long double functions if not
8487 (rs6000_generate_compare): Use IBM long double compare if not
8489 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8490 (TARGET_IEEEQUAD): Define.
8491 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8492 not TARGET_IEEEQUAD.
8493 * config/rs6000/rs6000.md: Enable TFmode patterns if
8495 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8496 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8497 and -mlong-double-128 are incompatible.
8498 * doc/invoke.texi (-mabi): Collect options together. Add
8499 ibmlongdouble and ieeelongdouble.
8501 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8503 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8505 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8506 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8507 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8508 * rtl.h (rtunion_def): Remove rt_ptr.
8510 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8511 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8512 * config/i386/winnt.c (i386_pe_mark_dllexport)
8513 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8515 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8517 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8519 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8523 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8524 pthread_key_delete. From John David Anglin. gthrw-ify
8525 pthread_getunique_np only if it it's not a macro. Delete
8527 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8528 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8529 __gthread_objc_condition_signal, __gthread_key_delete): Add
8530 "__attribute__ ((__unused__))" to unused arguments.
8531 (__gthread_recursive_mutex_init_function): Add missing return.
8532 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8533 gthr-posix95.h: Use macro-based approach for name redirection
8534 on targets missing weakref.
8536 2006-01-26 Zack Weinberg <zackw@panix.com>
8538 * genconditions.c (write_header): In generated code, #ifdef out
8539 all includes and fake declarations, except includes of bconfig.h
8540 and system.h, unless GCC_VERSION >= 3001. Do not include
8541 gensupport.h in any case.
8542 (write_conditions): Generate a definition of struct c_test. Add
8543 a comment to the generated #endif.
8544 (write_one_condition): Escape backslashes in string too.
8545 (write_writer): Generated code must escape backslashes and quote
8546 marks (but not newlines) in the strings it writes.
8547 * Makefile.in (build/gencondmd.o): Update dependencies.
8549 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8552 * Makefile.in (insn-automata.o): Add header file dependencies.
8553 * genautomata.c: Add includes.
8555 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8558 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8560 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8562 * configure.ac: Expect target tools paths to be passed from the toplevel
8563 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8565 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8567 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8570 * c.opt (Wpointer-sign): Init to -1.
8571 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8572 OPT_pedantic, to 0 otherwise.
8573 * doc/invoke.texi: Update.
8575 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8577 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8578 constants provided by 80387 instructions in the destination mode.
8580 2006-01-26 Richard Guenther <rguenther@suse.de>
8581 Andrew Pinski <pinskia@physics.uc.edu>
8584 partial PR tree-opt/17064
8585 * tree-ssa-structalias.c (intra_create_variable_infos):
8586 Create heap variables for incoming parameters if
8587 flag_argument_noalias > 1.
8588 (find_what_p_points_to): Look through default defs of
8591 2006-01-26 Jeff Law <law@redhat.com>
8594 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8595 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8596 within the VR_RANGE, use the VR_RANGE as the result, not the
8598 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8599 bounds for the type.
8601 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8603 * tree-ssa-alias.c (maybe_create_global_var): Change
8604 subvar walking to an assertion that we don't have subvar'd variables.
8606 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8609 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8610 Use a new variable, inner. PARM_DECLs are always non-weak.
8612 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8614 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8617 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8619 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8621 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8623 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8624 (smax_insn, smin_insn, smax_0, smin_0): New.
8626 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8629 * config/cris/cris.c (cris_order_for_addsi3): New function.
8630 * config/cris/cris-protos.h: Prototype it.
8631 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8632 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8633 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8634 (split for "op.S1 [rx=rx+i],ry (swapped)")
8635 (split for "op(s|u).S1 [rx=rx+i],ry")
8636 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8637 Apply cris_order_for_addsi3 when generating addsi3 insns.
8639 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8641 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8642 (TREE_BLOCK): Add call to EXPR_CHECK.
8644 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8647 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8648 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8649 (dump_omp_clauses): ... here.
8650 (dump_generic_node): Handle OMP_CLAUSE.
8651 * tree.c (omp_clause_num_ops): New.
8652 (omp_clause_code_name): New.
8653 (tree_code_size): Handle OMP_CLAUSE.
8654 (tree_size): Likewise.
8655 (make_node): Document handling of OMP_CLAUSE.
8656 (tree_node_structure): Handle OMP_CLAUSE.
8657 (omp_clause_check_failed): New.
8658 (omp_clause_range_check_failed): New.
8659 (omp_clause_operand_check_failed): New.
8660 (build_omp_clause): New.
8661 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8662 * tree.h (enum omp_clause_code): Declare.
8663 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8664 (OMP_CLAUSE_RANGE_CHECK): Define.
8665 (OMP_CLAUSE_ELT_CHECK): Define.
8666 (omp_clause_check_failed): Declare.
8667 (omp_clause_operand_check_failed): Declare.
8668 (omp_clause_range_check_failed): Declare.
8669 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8670 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8671 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8672 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8673 (OMP_CLAUSE_IF_EXPR): Likewise.
8674 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8675 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8676 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8677 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8678 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8679 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8680 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8681 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8682 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8683 (OMP_CLAUSE_CODE): Define.
8684 (OMP_CLAUSE_SET_CODE): Define.
8685 (OMP_CLAUSE_CODE): Define.
8686 (OMP_CLAUSE_OPERAND): Define.
8687 (struct tree_omp_clause): Declare.
8688 (union tree_node): Add field 'omp_clause'.
8689 * treestruct.def (TS_OMP_CLAUSE): Define.
8690 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8691 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8692 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8693 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8694 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8695 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8696 (OMP_CLAUSE): Define.
8697 * print-tree.c (print_node): Handle OMP_CLAUSE.
8698 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8699 * c-typeck.c: Likewise.
8700 * gimplify.c: Likewise.
8701 * c-omp.c: Likewise.
8702 * tree-nested.c: Likewise.
8703 * tree-inline.c: Likewise.
8704 * c-parser.c: Likewise.
8705 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8708 2006-01-25 Roger Sayle <roger@eyesopen.com>
8710 PR rtl-optimization/25703
8711 * combine.c (try_combine): Handle zero_extract and strict_low_part
8712 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8714 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8716 * global.c: Fix comment typos.
8718 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8721 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8722 Use output_addr_const instead of assemble_name.
8724 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8726 * Makefile.in (sched-vis.o): Update dependencies.
8727 * haifa-sched.c (sched_finish): Clear current_sched_info.
8728 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8729 (dump_flow_info): Call it.
8730 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8732 * basic-block.h (dump_bb_info): Declare.
8733 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8734 option, and apply options only for dump files whose TDF_RTL,
8735 TDF_TREE, or TDF_IPA bits match.
8736 * rtl.h: Declare new functions exported from sched-vis.c.
8737 * sched-vis.c: Enable also if scheduling is not used.
8738 (print_value): Print the mode of registers if not inside scheduling.
8739 (print_insn): Make it work outside the scheduler. Beautify the output
8741 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8743 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8745 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8746 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8747 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8748 depending on the value of CONSTANT_POOL_ADDRESS_P.
8749 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8751 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8752 rather than SYMBOL_REF_DECL.
8753 (rtx_constant_pool): Remove const_rtx_sym_htab.
8754 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8755 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8756 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8757 Remove handling of const_rtx_sym_htab.
8758 (find_pool_constant): Delete.
8759 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8760 rather than find_pool_constant.
8761 (get_pool_constant_for_function): Delete.
8762 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8764 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8765 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8766 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8767 (SYMBOL_REF_CONSTANT): New macro.
8768 (get_pool_constant_for_function): Delete.
8769 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8770 rather than SYMBOL_REF_DECL.
8771 (i386_pe_mark_dllimport): Likewise.
8772 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8773 rather than SYMBOL_REF_DECL.
8774 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8775 (machopic_indirect_call_target): Likewise.
8777 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8779 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8781 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8783 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8785 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8787 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8789 2006-01-24 David Daney <ddaney@avtrex.com>
8792 * configure.ac (enable_tls): New enable option.
8793 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8794 * configure: Regenerate.
8795 * doc/install.texi (--enable-tls): Document new option.
8796 (--disable-tls): Ditto.
8798 2006-01-24 Richard Henderson <rth@redehat.com>
8800 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8801 * alias.c (true_dependence): Respect it.
8802 (canon_true_dependence, write_dependence_p): Likewise.
8803 * builtins.c (get_builtin_sync_mem): Set it.
8805 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8807 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8810 2006-01-24 DJ Delorie <dj@redhat.com>
8812 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8813 for storing constants in single-bit bitfields.
8815 2006-01-25 Ben Elliston <bje@au.ibm.com>
8817 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8819 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8822 * tree-ssa-pre.c (phi_translate): Return NULL
8823 for AGGREGATE_TYPE's.
8825 2006-01-24 Zack Weinberg <zackw@panix.com>
8827 * genautomata.c (process_state_for_insn_equiv_partition):
8828 Use xcalloc for insn_arcs_array.
8829 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8830 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8832 2006-01-24 Richard Henderson <rth@redhat.com>
8834 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8837 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8839 PR rtl-optimization/25890
8840 PR rtl-optimization/25905
8841 * combine.c (expand_compound_operation, expand_field_assignment):
8842 Fail if the bitfield's final position is out of bounds.
8844 2006-01-24 Ian Lance Taylor <ian@airs.com>
8847 * cgraphunit.c (cgraph_output_in_order): Don't clear
8848 cgraph_asm_nodes until after asm strings have been output.
8850 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8852 * fix-header.c (read_scan_file): Add new parameter imultilib when
8853 calling register_include_chains.
8855 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8857 * omp-low.c: Update documentation.
8859 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8860 Daniel Berlin <dberlin@dberlin.org>
8864 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8865 return from the function.
8867 2006-01-22 Zack Weinberg <zackw@panix.com>
8869 * rtl.def (match_code): Add second argument.
8870 * genpreds.c (write_extract_subexp): New function.
8871 (write_match_code): Add path argument. Use write_extract_subexp.
8872 (write_predicate_expr): Pass path to write_match_code.
8873 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8874 not perform a mode test.
8875 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8876 a subexpression does not constrain the top-level code set.
8877 * read-rtl.c (read_rtx_variadic): New function.
8878 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8879 * doc/md.texi: Document new notation.
8880 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8881 (cmpsi_operand): ... here, using new notation.
8883 2006-01-22 Zack Weinberg <zackw@panix.com>
8885 * varray.c: Remove GENERATOR_FILE #ifdefs.
8887 2006-01-22 Zack Weinberg <zackw@panix.com>
8889 * genautomata.c (output_reserved_units_table): Emit nothing if
8890 description->query_units_num is zero. Remove extra blank line.
8891 (output_cpu_unit_reservation_p): Short circuit
8892 if description->query_units_num is zero.
8894 2006-01-22 Zack Weinberg <zackw@panix.com>
8896 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8897 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8898 nor any of the random handful of variables that used to be necessary
8899 when this program was linked with rtlanal.o. Prune set of forward
8900 function declarations.
8901 (struct attr_desc): Remove static_p field.
8902 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8903 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8904 (attr_string): Do not read the character one past the length of
8906 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8907 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8908 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8909 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8910 (make_automaton_attrs): New.
8911 (main): Do not call into genautomata. Call local gen_bypass
8912 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8913 Remove special case for insn_alts.
8914 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8915 varray.h (leftover from previous change). Prune set of forward
8916 function declarations. Remove state_alts fields from all
8917 structures. Remove state_alts_table from struct automaton.
8918 Make everything except main static. Do not maintain num_dfa_decls.
8919 Do not maintain state_alts fields of various structures.
8920 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8921 (add_arc): Remove state_alts argument. All callers updated.
8922 (output_reserved_units_table): Emit #ifdef here...
8923 (output_tables): ...not here. Don't generate state_alts tables.
8924 (expand_automata): Don't generate attributes.
8925 (write_automata): Don't generate state_alts functions.
8926 (main): New function.
8927 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8928 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8929 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8930 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8931 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8932 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8933 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8934 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8936 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8937 * genattrtab.h: Delete file.
8938 * Makefile.in (OBJS-common): Add insn-automata.o.
8939 (insn-automata.o): New rule.
8940 (simple_generated_c): Add insn-automata.c.
8941 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8942 (genprogmd): Add automata.
8943 (build/genattrtab): Needs no extra objects nor libraries.
8944 (build/genautomata): Needs build/vec.o and -lm.
8946 2006-01-22 Zack Weinberg <zackw@panix.com>
8948 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8949 (output_dfa_max_issue_rate, locked_states_num): Delete.
8950 (struct automaton): Add locked_states field.
8951 (output_dead_lock_vect): Save number of locked states in
8952 automaton->locked_states. If it is zero, don't print anything.
8953 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8954 (output_internal_dead_lock_func): Only test the dead_lock_vect
8955 for automata that have locked states.
8956 (output_statistics): Always print the number of locked states for
8957 each automaton. Calculate total number of locked states here.
8958 (write_automata): Don't call output_dfa_max_issue_rate.
8959 * genattrtab.c: Define length_unit_log as a const variable.
8960 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8961 max_insn_queue_index const.
8962 * final.c (length_unit_log): Declare const.
8963 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8965 2006-01-22 Zack Weinberg <zackw@panix.com>
8967 * genautomata.c: Include vec.h, not varray.h.
8968 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8969 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8970 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8971 VEC_* macros operating on appropriately typed vectors, or to
8972 malloced arrays when the size is known in advance. Const-ify
8973 many char* variables and function arguments. No functional changes.
8974 * Makefile.in (build/varray.o): Delete rule.
8975 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8976 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8978 2006-01-22 Zack Weinberg <zackw@panix.com>
8980 * gensupport.c: Define get_insn_name and record_insn_name here.
8981 (read_md_rtx): Call record_insn_name as appropriate.
8982 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8983 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8984 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8986 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8987 (BUILD_VARRAY): Delete.
8988 (genprognormal): Rename genprogmd. Fold in all programs from
8989 genprognoprint; also attrtab.
8990 (build/genattrtab): Just mention genautomata.o and varray.o.
8991 Reorganize a bit, add comments to make the categories clearer.
8993 2006-01-22 Zack Weinberg <zackw@panix.com>
8995 * genconditions.c (condition_table, add_condition): Delete.
8996 (write_conditions): Don't emit n_insn_conditions nor
8997 insn_elision_unavailable. Issue the gcc version #ifdef here,
8998 inside the table, with no #else clause ...
8999 (write_header): ...not here.
9000 (write_writer): New function.
9001 (main): Don't initialize condition_table. Use add_c_test.
9003 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9004 files on the command line.
9005 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9006 Return -1 if there is no entry in the table, don't abort.
9007 (add_c_test, traverse_c_tests): New functions.
9008 * gensupport.h (insn_elision_unavailable, insn_conditions)
9009 (n_insn_conditions): Delete declarations.
9010 (add_c_test, traverse_c_tests): Declare.
9011 * read-rtl.c: Include gensupport.h.
9012 (read_conditions): New function.
9013 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9014 (read_rtx_1): If we get EOF when we were looking for an initial
9015 open paren, return 0. Call read_conditions when appropriate.
9016 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9017 dummy-conditions.o. Eliminate references to insn-conditions.o,
9018 or change them to build/gencondmd.o, as appropriate. Remove
9019 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9020 from $(simple_generated_c). For all files remaining in those
9021 two lists, add insn-conditions.md to the generator command line.
9022 Give insn-constants.h/s-constants their own rules. Add rules
9023 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9024 (build/read-rtl.o): Depend on gensupport.h.
9025 (genprognormal): Include preds.
9026 (genprogearly): Rename genprognoprint; only difference is now that
9027 they don't link with $(BUILD_PRINT).
9028 * dummy-conditions.c: Delete.
9030 2006-01-22 Zack Weinberg <zackw@panix.com>
9032 * genextract.c: Don't include insn-config.h. Do include vec.h.
9033 Declare vectors of int, char, and locstr.
9034 (locstr): New typedef.
9035 (struct extraction): Make all array fields into bare pointers.
9036 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9037 (insn_code_number): Delete.
9038 (accum_extract): New struct.
9039 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9040 (gen_insn): Take insn_code_number as an argument. Use an
9041 accum_extract structure instead of loading data directly into
9042 a struct extraction, and having to know how big it might get.
9043 (walk_rtx): Operate entirely on an accum_extract structure.
9044 (print_path): Avoid unnecessary use of printf.
9045 (print_header): New function, split out of main. Distinguish
9046 more carefully between an unrecognizable insn and an insn that
9047 has the code number of a define_expand.
9048 (main): Pass insn_code_number to gen_insn. Call print_header
9049 only after parsing. Avoid unnecessary use of printf.
9050 * Makefile.in (build/vec.o): New rule.
9051 (build/genextract): Depend on build/vec.o.
9052 (build/genextract.o): Don't depend on insn-config.h.
9054 2006-01-22 Zack Weinberg <zackw@panix.com>
9056 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9057 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9058 practical. Eliminate per-generator-program link rules.
9060 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9063 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9064 with a call expr to ...
9065 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9067 2006-01-23 Richard Guenther <rguenther@suse.de>
9069 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9070 before make_edge with conditional EDGE_TRUE_VALUE.
9072 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9073 Jan Hubicka <jh@suse.cz>
9074 Richard Guenther <rguenther@suse.de>
9076 PR rtl-optimization/25654
9077 * cfgexpand.c (aggregate_contains_union_type): New function.
9078 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9079 for structure variables that contain a union type.
9081 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9083 * gengtype.c (new_structure): Return the structure.
9084 (create_option): Add an extra "next" argument.
9085 (create_field): New function.
9086 (adjust_field_rtx_def): Use create_option and create_field.
9087 Remove a now-unnecessary call to find_structure.
9088 (adjust_field_tree_def): Likewise.
9089 (note_yacc_type): Remove an unnecessary call to find_structure.
9090 * gengtype.h (new_structure): Return the structure.
9091 (create_option): Add an extra argument.
9092 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9093 (option): Adjust calls to create_option.
9095 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9097 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9099 2006-01-22 Paul Brook <paul@codesourcery.com>
9100 Peter Barada <peter@the-baradas.com>
9102 * config/m68k/m68k.md: Add Coldfire FPU support.
9103 Define FP mode macro and associated attributes.
9104 Use it for float mode patterns.
9105 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9106 (LIBCALL_VALUE): Use m68k_libcall_value.
9107 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9108 (m68k_function_value): Ditto.
9109 (emit_move_sequence): Ditto.
9110 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9111 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9112 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9113 (MULTILIB_EXCEPTIONS): Ditto.
9114 * config/m68k/m68k.opt: Add mcfv4e.
9115 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9116 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9117 (m68k_output_function_prologue): Save ColdFire FPU registers.
9118 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9119 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9120 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9121 ColdFire FPU registers.
9122 (m68k_libcall_value, m68k_function_value): New functions.
9123 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9124 (LIBCALL_VALUE): Use m68k_libcall_value.
9125 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9126 (MASK_COLDFIRE): Add MASK_CFV4E.
9127 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9128 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9129 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9130 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9131 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9132 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9133 * doc/invoke.tex: Document -mcfv4e on m68k.
9135 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9137 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9140 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9143 * c-opts.c (c_common_handle_option): Don't include
9144 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9145 * doc/invoke.texi (C++ Dialect Options): Document that
9146 -Wnon-virtual-dtor is no longer included in -Wall.
9148 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9150 * gcov.c (print_version), gcov-dump.c (print_version),
9151 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9154 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9156 * df-scan.c (problem_SCAN): Added NULL reset function.
9157 (df_scan_reset_blocks): Added code to call reset block function
9158 (df_bb_refs_delete) Fixed comment.
9159 (df_insn_refs_delete): Made tolerant of deleting non existent info
9160 for dataflow problems that need to be reset.
9161 * df-core.c (df_set_blocks): Ditto.
9162 * df.h (struct df_problem): Added reset_fun.
9163 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9164 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9165 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9166 functions to clear out all references to def-use or use-def chains.
9168 2006-01-21 Ben Elliston <bje@au.ibm.com>
9170 * varasm.c (assemble_real): Initialise data array.
9172 2006-01-20 Paul Brook <paul@codesourcery.com>
9174 Merge from csl-arm-branch.
9175 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9176 * config/arm/arm.md (movdi): Force operands[1] to a register
9177 if we have a non-register source.
9178 (*arm_movdi, *movdf_soft_insn): Require that one of the
9179 operands be a register.
9180 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9181 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9183 2006-01-20 DJ Delorie <dj@redhat.com>
9185 * varasm.c (initialize_constant_valid_p): Allow pointers
9186 initialized from integer constants of lesser precision.
9187 (output_constant): Allow non-int-sized pointer modes to be
9188 initialized from integer constants.
9190 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9193 * cppdefault.h (struct default_include): Add multilib flag.
9194 * cppdefault.c (cpp_include_defaults): Set it.
9195 * c.opt (-imultilib): New option.
9196 * c-opts.c (imultilib): New.
9197 (c_common_handle_option): Handle -imultilib.
9198 (c_common_post_options): Likewise.
9199 * c-incpath.c (add_standard_paths, register_include_chains):
9201 * c-incpath.h (register_include_chains): Add extra parameter.
9202 * gcc.c (do_spec_1): Generate -imultilib option.
9203 (The Specs Language): Update %I description.
9204 (process_command): Update copyright notice.
9205 * doc/cppopts.texi (-imultilib): Document.
9206 * doc/invoke.texi (-imultilib): Include in option summary.
9207 (%I): Update specs documentation.
9209 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9211 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9213 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9215 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9218 2006-01-20 Richard Guenther <rguenther@suse.de>
9219 Steven Bosscher <stevenb.gcc@gmail.com>
9221 PR rtl-optimization/24626
9222 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9223 EDGE_TRUE_VALUE if in RTL mode.
9226 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9227 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9229 2006-01-20 Dirk Mueller <dmueller@suse.com>
9232 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9233 instead of a special NOP marker.
9234 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9235 NOP marker handling.
9236 * c-common.h (empty_body_warning): Add forward declaration.
9237 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9238 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9240 2006-01-20 Paul Brook <paul@codesourcery.com>
9242 * Makefile.in (lang_checks): Keep going if mkdir fails.
9244 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9246 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9247 be able to clean out basic block when not necessary.
9248 (df_scan_free): Fixed to properly delete information if df is
9249 unused before calling df_finish.
9250 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9251 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9253 (df_bb_refs_delete): New function.
9254 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9255 * df-core.c (df_set_blocks): Added code to properly clean out
9256 unused blocks if they are not part of the blocks to consider.
9257 Added additional null check.
9258 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9259 be able to clean out basic block when not necessary
9260 * df.h (df_free_bb_function): Ditto.
9261 (df_bb_refs_delete): New function.
9262 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9263 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9264 basic block parameter to be able to clean out basic block when not
9266 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9267 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9268 Fixed to properly delete information if df is unused before
9271 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9273 PR rtl-optimization/25799
9274 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9275 Corrected confluence operator to remove bits from op2 before oring
9276 with op1 rather than removing bits from op1.
9277 (df_ru_transfer_function): Corrected test on wrong bitmap which
9278 caused infinite loop. Both of these problems were introduced in
9279 the dataflow rewrite.
9281 2006-01-19 DJ Delorie <dj@redhat.com>
9283 * reload1.c (find_reload_regs): Note the details of reload
9284 failures in the dump file.
9285 (spill_failure): Likewise.
9287 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9289 * loop-iv.c: Include df.h and hashtab.h.
9290 (enum iv_grd_result): New enum.
9291 (DF_REF_IV, DF_REF_IV_SET): New macros.
9292 (struct biv_entry): New.
9293 (df, bivs): New global variables.
9294 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9295 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9297 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9298 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9299 analyzed_for_bivness_p, record_biv): New functions.
9300 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9301 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9302 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9304 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9306 (iv_number_of_iterations): Use new interface to iv analysis.
9307 * loop-unroll.c: Do not include varray.h.
9308 (analyze_iv_to_split_insn): Use new interface to iv
9310 * loop-unswitch.c (may_unswitch_on): Ditto.
9311 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9313 (df_bb_modify): Realloc tables to the new index.
9314 (df_find_use): New function.
9315 * df.h (df_find_use): Declare.
9316 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9318 * cfgloop.h (struct rtx_iv): Remove analysed field.
9319 (iv_get_reaching_def): Removed.
9320 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9321 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9322 (loop-iv.o): Add df.h and hashtab.h dependency.
9323 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9325 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9328 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9330 (__floatundisf, __floatundidf): Likewise.
9331 * libgcc2.h (IS_IBM_EXTENDED): Define.
9333 2006-01-19 DJ Delorie <dj@redhat.com>
9335 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9337 2006-01-19 Paul Brook <paul@codesourcery.com>
9339 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9340 as nothrow when unwinding tables are disabled.
9342 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9345 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9346 of bit-field" when in system header.
9348 2006-01-19 DJ Delorie <dj@redhat.com>
9350 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9351 the 16 bit shift limit of the m16c.
9353 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9356 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9357 * config/i386/i386.c (output_set_got): Output the label if we have one
9358 for the TARGET_DEEP_BRANCH_PREDICTION case.
9360 2006-01-19 Jan Hubicka <jh@suse.cz>
9361 H.J. Lu <hongjiu.lu@intel.com>
9362 Evandro Menezes <evandro.menezes@amd.com>
9364 * invoke.texi (generic): Document
9366 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9367 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9368 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9369 (x86_use_incdec, x86_pad_returns): New variables
9370 (TARGET_CPU_DEFAULT_generic): New constant
9371 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9372 (enum processor_type): Add generic32 and generic64.
9373 * i386.md (cpu attribute): Add generic32/generic64
9374 (movhi splitter): Behave sanely when both partial_reg_dependency and
9375 partial_reg_stall are set.
9376 (K8 splitters): Enable for generic as well.
9377 * predicates.md (incdec_operand): Use TARGET_INCDEC
9378 (aligned_operand): Avoid memory mismatch stalls.
9379 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9380 * ppro.md: Enable for generic32
9381 * i386.c (generic64_cost, generic32_cost): New.
9382 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9383 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9384 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9385 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9386 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9387 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9388 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9389 x86_accumulate_outgoing_args, x86_prologue_using_move,
9390 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9391 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9393 (x86_use_incdec, x86_pad_returns): New.
9394 (override_options): Add generic32 and generic64, translate "generic"
9395 to generic32/generic64 and "i686" to "generic32", refuse
9396 "generic32"/"generic64" as arch target.
9397 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9398 (ix86_reorg): Honor PAD_RETURNS.
9400 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9402 * tree-pretty-print.c (dump_generic_node): Handle
9403 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9404 * cgraph.c (cgraph_expand_queue): Rename from
9405 cgraph_analyze_queue. Update all users.
9406 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9407 cgraph_expand_queue.
9408 (cgraph_expand_all_functions): Likewise.
9409 (cgraph_finalize_pending_functions): Remove. Update callers.
9411 * tree.h (OMP_DIRECTIVE_P): Define.
9412 (OMP_PARALLEL_FN): Define.
9413 (OMP_PARALLEL_DATA_ARG): Define.
9414 (OMP_SECTIONS_SECTIONS): Define.
9415 * tree-pass.h (pass_expand_omp): Declare.
9416 * omp-low.c (struct omp_region): Declare.
9417 (struct omp_context): Remove fields 'parallel_type',
9418 'parallel_start_ix' and 'parallel_start_additional_args'.
9420 (struct omp_for_data): Rename from struct expand_omp_for_data.
9421 (omp_regions): New static variable.
9422 (root_omp_region): New static variable.
9423 (find_omp_clause): Make static.
9424 (is_in_combined_parallel_ctx): Remove.
9425 (is_combined_parallel): New.
9426 (extract_omp_for_data): Move earlier in the file.
9427 (workshare_safe_to_combine_p): New.
9428 (get_ws_args_for): New.
9429 (determine_parallel_type): Move earlier in the file.
9430 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9432 (omp_copy_decl): Likewise.
9433 (create_omp_child_function): Likewise.
9434 (lookup_omp_region): New.
9435 (dump_omp_region): New.
9436 (debug_omp_region): New.
9437 (debug_all_omp_regions): New.
9438 (new_omp_region): New.
9439 (scan_omp_parallel): If parallel_nesting_level > 1, the
9440 directive is nested within another parallel directive.
9441 Set OMP_PARALLEL_FN.
9442 (scan_omp_for): Do not try to handle combined parallel+for
9444 Remove FIXME comment.
9445 (scan_omp_nested): Remove.
9446 (scan_omp_1): Do not call scan_omp_nested when
9447 parallel_nesting_level is > 1.
9448 Do not change the DECL_CONTEXT of local variables found.
9449 (lookup_decl_in_outer_ctx): New.
9450 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9451 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9452 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9453 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9454 If CTX is nested, lookup VAR in the outer context when
9455 building copy assignment.
9456 (lower_send_clauses): Rename from expand_send_clauses.
9457 If CTX is nested, lookup VAR in the outer context when
9458 building copy assignments.
9459 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9460 If CTX is nested, lookup VAR in the outer context when
9461 building copy assignments.
9462 (expand_parallel_call): Rename from build_parallel_call.
9463 Handle combined parallel+workshare cases.
9464 Re-implement to emit code into the CFG.
9466 (expand_omp_parallel): Re-implement to emit code into the CFG.
9467 Call move_sese_region_to_fn to outline the sub-graph
9468 containing the parallel region.
9469 (expand_omp_for_1): Remove.
9470 (expand_omp_for_generic): Re-implement to emit code into the
9472 (expand_omp_for_static_nochunk): Likewise.
9473 (expand_omp_for_static_chunk): Likewise.
9474 (expand_omp_for): Likewise.
9475 (expand_omp_sections): Likewise.
9476 (remove_exit_barriers): New.
9477 (expand_omp_synch): New.
9479 (build_omp_regions_1): New.
9480 (build_omp_regions): New.
9481 (execute_expand_omp): New.
9482 (gate_expand_omp): New.
9483 (pass_expand_omp): Define.
9484 (lower_omp_sections): Rename from expand_omp_sections.
9485 Set OMP_SECTIONS_SECTIONS.
9486 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9487 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9488 (lower_omp_single): Rename from expand_omp_simple.
9489 (lower_omp_master): Rename from expand_omp_master.
9490 (lower_omp_ordered): Rename from expand_omp_ordered.
9491 (lower_omp_critical): Rename from expand_omp_critical.
9492 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9493 (lower_omp_for): Re-implement.
9494 (lower_omp_parallel): Re-implement.
9495 (lower_regimplify): Rename from expand_regimplify.
9496 (lower_omp_1): Rename from expand_omp_1.
9497 If there are syntax errors in the program, replace every
9498 OpenMP directive with NOP.
9499 Call lower_omp_* instead of expand_omp_*.
9500 (lower_omp): Rename from expand_omp.
9502 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9503 * tree-gimple.h (enum omp_parallel_type): Remove.
9504 (gimple_boolify): Declare extern.
9505 (find_omp_clause, determine_parallel_type): Remove.
9507 * gimple-low.c (lower_omp_directive): New.
9508 (lower_stmt): Call it.
9509 (record_vars_into): Move from ...
9510 (record_vars): ... here.
9511 Call record_vars_into with current_function_decl.
9513 * gimplify.c (struct gimplify_ctx): Remove fields
9514 combined_pre_p and combined_ctxp. Update users.
9515 (get_formal_tmp_var): Add documentation.
9516 (gimple_boolify): Make extern.
9517 (gimplify_expr_in_ctx): Remove. Update callers.
9518 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9519 will always be a BIND_EXPR.
9520 (gimplify_expr): Handle OMP_RETURN_EXPR.
9521 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9522 (OMP_PARALLEL): Add 3 operands.
9523 (OMP_SECTIONS): Add 1 operand.
9524 (OMP_RETURN_EXPR): Define.
9526 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9527 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9528 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9529 creating a circular free list.
9530 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9532 * tree-flow.h (move_sese_region_to_fn): Declare.
9533 (record_vars_into): Declare.
9534 * tree-cfg.c (make_omp_sections_edges): New.
9535 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9536 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9537 OMP_SECTIONS and OMP_SECTION.
9538 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9539 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9540 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9541 (gather_blocks_in_sese_region): New.
9542 (struct move_stmt_d): Declare.
9544 (move_block_to_fn): New.
9545 (move_sese_region_to_fn): New.
9547 * passes.c (init_optimization_passes): Schedule
9548 pass_expand_omp after pass_init_datastructures.
9550 * tree-ssa-operands.c (get_expr_operands): Handle
9551 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9552 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9554 2006-01-19 Jeff Law <law@redhat.com>
9556 * tree-vrp.c (extract_range_from_assert): Refine the result range
9557 if the variable referenced by the ASSERT_EXPR has a range and
9558 either the tentative result range or the previous range is a
9561 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9563 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9565 2006-01-19 Jan Hubicka <jh@suse.cz>
9567 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9569 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9571 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9572 (expand_compound_operation, expand_field_assignment): Fail if the
9573 bit lengths of an extract operation are out of range.
9574 (make_extraction): Compute wanted_inner_mode based on the position
9575 and length of the extraction. Make it extraction_mode for non-constant
9576 positions, and do not modify offset in that case. When generating a
9577 new MEM, use a mode that can hold the extraction while keeping correct
9578 alignment. Remove code that supported MEMs wrapped by USEs.
9579 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9581 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9583 * config/s390/s390.md ("Y", "y"): New mode attribute.
9584 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9585 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9586 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9587 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9588 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9589 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9590 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9591 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9592 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9593 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9594 "addsi3", "subsi3"): Insn patterns removed.
9595 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9596 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9597 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9598 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9599 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9600 "*sub<mode>3_cconly2"): New insn patterns.
9601 ("addsi3", "subsi3"): New expanders.
9603 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9605 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9606 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9607 existing STMT_VINFO_VECTYPE if available.
9608 (vect_mark_relevant): Add special handling for stmts that are
9609 marked as STMT_VINFO_IN_PATTERN_P.
9610 (vect_analyze_loop): Call vect_pattern_recog.
9611 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9612 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9614 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9615 (vect_recog_func_ptr): New function-pointer type.
9616 * tree-vect-patterns.c: New file.
9617 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9618 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9619 (vect_pattern_recog_1): New functions.
9620 (vect_pattern_recog_funcs): New array of function pointers.
9622 * tree-vectorizer.h (ternary_op): New enum value.
9623 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9624 declaration. Revised documentation. Removed redundant dump prints.
9625 Removed redundant argument. Added support for reduction patterns.
9626 (vectorizable_reduction): Added support for reduction patterns.
9627 (vect_transform_stmt): Added support for patterns.
9629 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9630 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9631 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9632 (expand_widen_pattern_expr): New function.
9633 (init_optabs): Initialize new optabs udot_prod_optab,
9635 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9636 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9637 (expand_widen_pattern_expr): New function declaration.
9638 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9640 * tree-inline.c (estimate_num_insns_1): Added cases for new
9641 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9642 * tree-pretty-print.c (dump_generic_node): Likewise.
9643 (op_prio): Likewise.
9644 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9645 * tree-ssa-operands.c (get_expr_operands): Added case for
9647 * tree-vect-patterns.c (widened_name_p): New function.
9648 (vect_recog_dot_prod_pattern): Added function implementation.
9649 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9650 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9651 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9652 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9654 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9655 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9656 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9657 (init_optabs): Initialize new optabs widen_ssum_optab,
9659 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9660 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9661 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9662 use instead of type of def.
9663 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9664 function implementation.
9665 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9666 widen_ssumv8hi): New.
9668 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9671 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9674 * c-decl.c (add_flexible_array_elts_to_size): New function.
9675 (finish_decl): Use it.
9677 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9679 * diagnostic.h: Include options.h.
9680 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9681 dependancies for diagnostic.h.
9682 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9684 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9686 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9687 (ssa_ro_call_cache_valid): Ditto.
9688 * tree-ssa-alias.c (sort_tags_by_id): New function.
9689 (init_transitive_clobber_worklist): Ditto.
9690 (add_to_worklist): Ditto.
9691 (mark_aliases_call_clobbered): Ditto.
9692 (compute_tag_properties): Ditto.
9693 (set_initial_properties): Ditto.
9694 (compute_call_clobbered): Ditto.
9695 (compute_may_aliases): Call compute_call_clobbered and grouping.
9696 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9697 (compute_flow_insensitive_aliasing): Grouping now happens in our
9699 (setup_pointers_and_addressables): Remove clobbering related code.
9700 (add_may_alias): Ditto.
9701 (replace_may_alias): Ditto.
9702 (get_nmt_for): Ditto.
9703 (create_global_var):
9704 (is_escape_site): Return an escape_type enumeration.
9705 * tree-flow-inline.h (is_call_clobbered): Global var does not
9706 imply call clobbered.
9707 (mark_call_clobbered): Take a reason for marking this. Remove
9708 marking of globalness, and cache invalidation.
9709 (clear_call_clobbered): Remove cache invalidation code.
9710 * tree-dfa.c (dump_variable): If details is on, dump the reason
9712 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9714 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9715 (struct var_ann_d): Ditto.
9716 (enum escape_type): New.
9717 (mark_call_clobbered): Adjust prototype.
9718 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9719 are never call clobbered.
9720 Record reasons for escaping.
9721 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9722 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9723 (ssa_ro_call_cache_valid): Ditto.
9724 (clobbered_v_may_defs): Ditto.
9725 (clobbered_vuses): Ditto.
9726 (ro_call_vuses): Ditto.
9727 (clobber_stats): New.
9728 (init_ssa_operands): Zero out clobber stats.
9729 (fini_ssa_operands): Print out clobber stats.
9730 (get_call_expr_operands): Pass callee fndecl to
9732 (add_call_clobber_ops): Remove use of cache.
9733 Add use of PURE_CONST information.
9734 (add_call_read_ops): Remove use of cache.
9735 Add use of static not_read information.
9737 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9739 Introduce TLS descriptors for i386 and x86_64.
9740 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9741 (TARGET_ANY_GNU_TLS): New macro.
9742 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9743 (struct machine_function): Add tls_descriptor_call_expanded_p.
9744 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9745 (ix86_current_function_calls_tls_descriptor): Likewise.
9746 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9747 (override_options): Introduce gnu2 tls dialect.
9748 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9750 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9752 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9753 (ix86_init_machine_status): Initialize new field.
9754 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9755 (ix86_tls_module_base): New.
9756 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9757 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9758 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9759 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9760 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9761 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9762 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9763 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9764 * config/i386/predicates.md (tls_modbase_operand): New.
9765 (tp_or_register_operand): New.
9767 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9769 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9770 (look_for_address_of): Ditto.
9771 (ipa_init): Walk the function decls.
9772 (static_execute): Don't set readonly on FUNCTION_DECL's.
9774 2006-01-18 Roger Sayle <roger@eyesopen.com>
9776 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9777 for shifts where the source and destination registers are different.
9779 2006-01-18 Paul Brook <paul@codesourcery.com>
9781 Merge from csl-arm-branch.
9782 2005-03-14 Julian Brown <julian@codesourcery.com>
9783 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9784 (aeabi_llsl): Likewise.
9785 (ashrdi3): Likewise.
9786 (aeabi_lasr): Likewise.
9787 (lshrdi3): Likewise.
9788 (aeabi_llsr): Likewise.
9789 2005-03-10 Julian Brown <julian@codesourcery.com>
9790 * config.gcc: Disable shared libgcc for SymbianOS.
9791 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9793 2006-01-18 DJ Delorie <dj@redhat.com>
9795 * c-pragma.c (handle_pragma_diagnostic): New.
9796 (init_pragma): Register it.
9797 * doc/extend.texi: Document it.
9799 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9800 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9801 (diagnostic_context): Add classify_diagnostic[].
9802 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9803 as errors if they're overridden to DK_WARNING.
9804 (diagnostic_initialize): Initialize classify_diagnostic[].
9805 (diagnostic_set_kind_override): New.
9806 (diagnostic_report_diagnostic): Check for kind changes.
9807 * opts.c (common_handle_option): Take lang_mask. Update callers.
9809 * common.opt (Werror=): New.
9810 * doc/invoke.texi: Document -Werror=*
9812 2006-01-18 Jeff Law <law@redhat.com>
9814 * tree-vrp.c (test_for_singularity): Correct test for new
9815 min limit. Use operand_equal_p rather than pointer equality
9816 for testing if new min/max values are equal.
9818 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9819 using range information until after propagation and folding.
9821 2006-01-18 Richard Henderson <rth@redhat.com>
9822 Aldy Hernandez <aldyh@redhat.com>
9823 Jakub Jelinek <jakub@redhat.com>
9824 Diego Novillo <dnovillo@redhat.com>
9826 * omp-low.c: New file.
9827 * c-omp.c: New file.
9829 2006-01-18 Richard Henderson <rth@redhat.com>
9830 Jakub Jelinek <jakub@redhat.com>
9831 Diego Novillo <dnovillo@redhat.com>
9833 * doc/invoke.texi: Document -fopenmp.
9834 * tree-dump.h (debug_function): Declare.
9835 * hooks.c (hook_bool_tree_bool_false): New function.
9836 (hook_tree_tree_null): Remove.
9837 (hook_tree_tree_tree_null): New.
9838 * hooks.h: Update to match.
9839 * tree-pretty-print.c (debug_tree_chain): New.
9840 (print_generic_expr): Handle TDF_CHAIN.
9841 (dump_generic_node): Handle BLOCK.
9842 Do not abort with incomplete SWITCH_EXPRs.
9843 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9844 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9845 print space after directive name.
9846 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9847 Handle OMP_MASTER and OMP_ORDERED.
9848 Handle printing of OMP_BODY just in one place, goto
9849 dump_omp_body in the rest of OMP_* nodes that have
9851 Don't handle clause nodes here. Update omp statements to
9852 use dump_omp_clauses.
9853 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9854 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9855 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9856 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9857 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9858 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9859 Adjust output for GOMP_PARALLEL.
9860 (dump_omp_clauses): New.
9861 (print_declaration): Dump DECL_VALUE_EXPR.
9862 (op_symbol_1): Split out of op_symbol.
9863 (dumping_stmts): Remove. Update all users.
9864 * cgraph.c (cgraph_analyze_queue): New.
9865 (cgraph_add_new_function): New.
9866 * cgraph.h (cgraph_analyze_queue): Declare.
9867 (cgraph_add_new_function): Declare.
9868 (cgraph_lower_function): Remove.
9869 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9870 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9871 and TYPE_P nodes in its default clause.
9872 (empty_body_p): New.
9873 (tree_range_check_failed): New.
9875 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9876 OMP_CLAUSE_REDUCTION_MERGE,
9877 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9878 OMP_CLAUSE_PRIVATE_DEBUG,
9879 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9880 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9881 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9882 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9883 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9884 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9885 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9886 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9887 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9888 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9889 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9890 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9891 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9892 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9893 (TREE_RANGE_CHECK): New.
9894 (empty_body_p): Declare.
9895 (enum omp_clause_default_kind): New.
9896 (build_string_literal): Declare.
9897 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9898 (build5_stat, build5): Declare.
9899 * tree-pass.h (TDF_CHAIN): Define.
9900 * tree-pass.h (PROP_gimple_lomp): Define.
9901 (pass_lower_omp): Declare.
9902 * diagnostic.h (debug_tree_chain): Declare.
9903 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9905 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9906 * builtins.c (build_string_literal): Make extern.
9907 * gcc.c (include_spec_function): New.
9908 (static_spec_functions): Add it.
9909 (main): Move load of libgomp.spec ...
9910 (LINK_COMMAND_SPEC): ... here.
9911 (link_gomp_spec): New.
9912 (static_specs): Include it.
9913 (LINK_COMMAND_SPEC): Add link_gomp.
9914 (GOMP_SELF_SPECS): New.
9915 (driver_self_specs): Include it.
9916 (switch_matches): Don't mark inline.
9917 (main): Load libgomp.spec.
9918 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9919 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9920 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9921 * tree-gimple.h (enum omp_parallel): Declare.
9922 (determine_parallel_type): Declare.
9923 (omp_firstprivatize_variable): Declare.
9924 (omp_reduction_init): Declare.
9925 (diagnose_omp_structured_block_errors): Declare.
9926 (struct walk_stmt_info): Add want_return_expr.
9927 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9928 (find_omp_clause): Declare.
9929 (insert_field_into_struct): Declare.
9930 (struct walk_stmt_info): Move from tree-nested.c
9931 (walk_stmts): Declare.
9932 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9934 * cgraphunit.c (cgraph_lower_function): Make static.
9935 (cgraph_finalize_pending_functions): New.
9936 (cgraph_finalize_function): Call it.
9937 (cgraph_finalize_compilation_unit): Likewise.
9938 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9939 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9940 (BT_FN_UINT_UINT): New.
9941 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9942 DEF_FUNCTION_TYPE_VAR_4): Document.
9943 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9944 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9945 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9946 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9947 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9948 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9949 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9950 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9951 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9952 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9953 into separate files.
9954 (DEF_GOMP_BUILTIN): New.
9955 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9956 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9957 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9958 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9959 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9960 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9961 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9962 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9963 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9964 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9965 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9966 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9967 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9968 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9969 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9970 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9971 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9972 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9973 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9974 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9975 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9976 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9977 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9978 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9979 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9980 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9981 * sync-builtins.def: New file, moved from builtins.def.
9982 * omp-builtins.def: New file, moved from builtins.def.
9983 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9984 * gimple-low.c (lower_function_body): Clear data.
9985 (lower_stmt): Do not handle COMPOUND_EXPR.
9986 Remove call to print_node_brief.
9987 * c-tree.h (c_finish_omp_clauses): New prototype.
9988 (C_DECL_THREADPRIVATE_P): Define.
9989 (lookup_name_no_remap, c_omp_remap_private): Remove
9990 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9991 (check_for_loop_decls): Update decl.
9992 (lookup_name_no_remap, c_omp_remap_private): Declare.
9993 (build_indirect_ref, build_modify_expr, pushdecl,
9994 pushdecl_top_level): Move to c-common.h.
9995 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9996 before the switch, but just in the 2 places that need it.
9997 * c-decl.c (diagnose_mismatched_decls): Do not check for
9998 mismatched thread-local attributes when OLDDECL is marked
9999 threadprivate and NEWDECL has no thread-local attributes.
10000 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10001 (c_gimple_diagnostics_recursively): Rename from
10002 c_warn_unused_result_recursively. Invoke
10003 diagnose_omp_structured_block_errors.
10004 (check_for_loop_decls): Return a singular decl found.
10005 * langhooks.c (lhd_omp_predetermined_sharing): Return
10006 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10007 (lhd_omp_firstprivatize_type_sizes): New.
10008 (lhd_omp_assignment): New.
10009 (lhd_omp_predetermined_sharing): New.
10010 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10011 (struct lang_hooks_for_types): Add
10012 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10013 omp_predetermined_sharing, omp_disregard_value_expr,
10014 omp_private_debug_clause, omp_clause_default_ctor,
10015 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10016 (c_finish_omp_clauses): New.
10017 (c_finish_bc_stmt): Diagnose break within omp for.
10018 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10019 (build_unary_op): Return error_mark after reporting
10021 (build_modify_expr): Likewise.
10022 * gimplify.c: Include optabs.h and pointer-set.h.
10023 (enum gimplify_omp_var_data): Declare.
10024 (struct gimplify_omp_ctx): Declare.
10025 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10027 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10028 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10029 (splay_tree_compare_decl_uid): New.
10030 (new_omp_context): New.
10031 (delete_omp_context): New.
10032 (gimple_add_tmp_var): Call omp_add_variable.
10033 (gimplify_bind_expr): Likewise.
10034 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10035 true, disregard DECL_VALUE_EXPR on the decl if any.
10036 (gimplify_expr_in_ctx): New.
10037 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10038 omp_add_variable, omp_notice_variable, omp_is_private
10039 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10040 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10041 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10042 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10043 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10044 gimplify_omp_atomic): New.
10045 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10046 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10047 OMP_CRITICAL and OMP_ATOMIC.
10048 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10049 * c-pragma.h (enum pragma_kind): Add
10050 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10051 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10052 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10053 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10054 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10055 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10056 PRAGMA_OMP_THREADPRIVATE.
10057 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10058 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10059 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10060 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10061 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10062 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10063 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10064 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10065 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10066 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10067 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10068 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10069 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10071 (struct nesting_info): Add field_map,
10072 suppress_expansion, debug_var_chain.
10073 (create_nesting_tree): Initialize them.
10074 (lookup_field_for_decl): Use field_map.
10075 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10076 (convert_local_omp_clauses): New.
10077 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10078 (walk_body): Split out of walk_function.
10079 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10080 (convert_nonlocal_reference): Handle omp statements.
10081 (convert_local_reference): Likewise.
10082 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10083 (unnest_nesting_tree): New.
10084 (lower_nested_functions): Call it.
10085 (insert_field_into_struct): Make extern.
10086 (struct walk_stmt_info): Move to tree-gimple.h.
10087 (walk_stmts): Make extern.
10088 * omp-builtins.def: New file.
10089 * tree-iterator.c (expr_only): Clarify comment.
10090 * c-common.h (pushdecl_top_level, pushdecl,
10091 build_modify_expr, build_indirect_ref,
10092 c_finish_omp_master, c_finish_omp_critical,
10093 c_finish_omp_ordered, c_finish_omp_barrier,
10094 c_finish_omp_atomic, c_finish_omp_flush,
10095 c_finish_omp_for, c_split_parallel_clauses,
10096 omp_clause_default_kind, c_omp_sharing_predetermined,
10097 c_omp_remap_decl): Declare.
10098 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10099 (OBJS-common): Add omp-low.o.
10100 (c-omp.o, omp-low.o): Add.
10101 (gimplify.o): Add dependency on $(OPTABS_H).
10102 (GTFILES): Add omp-low.c.
10103 (gt-stringpool.h): Add.
10104 * tree-cfg.c (set_bb_for_stmt): Do not update the
10105 block-to-labels map if we are currently expanding to RTL.
10106 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10108 Handle IDENTIFIER_NODE.
10109 (tree_verify_flow_info): Do not ICE when emitting error
10110 messages about invalid labels.
10111 (dump_function_to_file): Reset CFUN before emitting the body
10113 (debug_function): New.
10114 * passes.c (init_optimization_passes): Schedule
10116 * langhooks-def.h (lhd_omp_predetermined_sharing,
10117 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10119 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10120 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10121 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10122 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10123 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10124 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10125 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10126 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10127 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10128 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10129 (LANG_HOOK_DECLS): Use them.
10131 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10132 Richard Henderson <rth@redhat.com>
10133 Jakub Jelinek <jakub@redhat.com>
10134 Diego Novillo <dnovillo@redhat.com>
10136 * c-parser.c (pragma_omp_clause): Define.
10137 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10138 (c_parser_compound_statement): Likewise.
10139 (c_parser_statement): Likewise.
10140 (c_parser_pragma): Handle omp pragmas.
10141 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10142 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10143 (c_parser_omp_clause_name, check_no_duplicate_clause,
10144 c_parser_omp_variable_list,
10145 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10146 c_parser_omp_clause_copyprivate,
10147 c_parser_omp_clause_default,
10148 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10149 c_parser_omp_clause_lastprivate,
10150 c_parser_omp_clause_nowait,
10151 c_parser_omp_clause_num_threads,
10152 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10153 c_parser_omp_clause_reduction,
10154 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10155 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10156 c_parser_omp_atomic, c_parser_omp_barrier,
10157 c_parser_omp_critical, c_parser_omp_flush,
10158 c_parser_omp_for_loop, c_parser_omp_for,
10159 c_parser_omp_master, c_parser_omp_ordered,
10160 c_parser_omp_sections_scope, c_parser_omp_sections,
10161 c_parser_omp_parallel, c_parser_omp_single,
10162 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10163 * c-pragma.c (init_pragma): Do omp pragma registration here.
10164 * c.opt (fopenmp): New flag.
10166 2006-01-18 Eric Christopher <echristo@apple.com>
10168 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10169 * config/darwin.h (GOMP_SELF_SPECS): Define.
10171 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10173 * rtl.h: Remove the prototype for reg_alloc.
10175 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10178 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10179 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10180 sjlj and dwarf2 exception handling.
10181 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10182 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10183 * pa/pa.c (function_value): Treat complex and vector types as
10185 (function_arg): Likewise. Only pass scalar floats in the floating
10186 point argument registers.
10187 * pa/t-slibgcc-dwarf-ver: New file.
10188 * pa/t-slibgcc-sjlj-ver: New file.
10189 * pa/t-slibgcc-elf-ver: Delete file.
10191 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10193 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10194 unlikely_test_section_p test.
10196 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10198 * mode-switching.c (optimize_mode_switching): Make it static.
10199 * basic-block.h: Remove the prototype for
10200 optimize_mode_switching.
10202 * modulo-sched.c (sms_schedule): Make it static.
10203 * rtl.h: Remove the prototype for sms_schedule.
10205 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10206 * rtl.h: Remove the prototype for gcse_after_reload_main.
10208 * reg-stack.c (reg_to_stack): Make it static.
10209 * rtl.h: Remove the prototype for reg_to_stack.
10211 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10213 * rtl.h: Remove the prototypes for regrename_optimize and
10214 copyprop_hardreg_forward.
10216 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10218 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10219 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10220 Test against the appropriate null constant for the mode.
10221 If 'fixup_overlap' is true, swap the operands if they overlap.
10222 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10223 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10224 alpha_split_tmode_pair and adjust for above change.
10225 * config/alpha/alpha.md (movtf_internal): Adjust call to
10226 alpha_split_tfmode_pair and rely on it to swap the operands.
10227 (movti_internal): New insn and post-reload splitter.
10228 (movti): New expander.
10230 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10232 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10235 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10237 * rtlanal.c (global_reg_mentioned_p_1,
10238 global_reg_mentioned_p): Remove.
10239 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10241 * flow.c (initialize_uninitialized_subregs): Make it static.
10242 * rtl.h: Remove the prototype for
10243 initialize_uninitialized_subregs.
10245 * function.c (instantiate_virtual_regs): Make it static.
10246 * function.h: Remove the prototype for
10247 instantiate_virtual_regs.
10249 * regmove.c (regmove_optimize, combine_stack_adjustments):
10251 * rtl.h: Remove the prototypes for regmove_optimize and
10252 combine_stack_adjustments.
10254 2006-01-17 Roger Sayle <roger@eyesopen.com>
10256 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10257 (size_cost): Encode costs in bytes so that a reg-reg addition is
10258 equivalent to COSTS_N_INSNS(1).
10259 (override_options): Use the size_cost.branch_cost as the default
10260 ix86_branch_cost when optimizing for size.
10262 2006-01-18 Ben Elliston <bje@au.ibm.com>
10264 * Makefile.in (D32PBIT_FUNCS): New.
10265 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10266 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10267 D64PBIT_FUNCS and D128PBIT_FUNCS.
10268 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10269 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10271 (decnumber_dep): Define.
10272 * doc/libgcc.texi (Decimal float library routines): New node.
10273 * config/dfp-bit.h, config/dfp-bit.c: New files.
10275 2006-01-18 Ben Elliston <bje@au.ibm.com>
10277 * expr.c (emit_move_change_mode): Always adjust addresses, not
10278 just during reload. Copy replacements only during reload.
10279 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10280 emit_move_via_integer.
10282 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10284 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10285 instead of $(srcdir) and ${srcdir}.
10287 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10290 PR middle-end/11135
10291 * arm.h (struct machine_function): Add pic_reg.
10292 * arm.c (arm_pic_register): Make unsigned.
10293 (arm_override_options): Only set arm_pic_register if
10294 TARGET_SINGLE_PIC_BASE.
10295 (use_return_insn): Only test for a pic register if it is fixed.
10296 (arm_compute_save_reg0_reg12_mask): Likewise.
10297 (thumb_compute_save_reg_mask): Likewise.
10298 (legitimate_pic_operand): Factor out some known invariants.
10299 (legitimize_pic_address): If we don't have a fixed pic register,
10300 then set up a pseudo in the function entry sequence. Handle the
10301 pic base being in a pseudo.
10302 (arm_load_pic_register): Handle the pic register being in a pseudo.
10303 (arm_expand_prologue): Only set up the pic register if it is fixed.
10304 (thumb_expand_prologue): Likewise.
10305 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10306 (pic_load_addr_based_insn): Likewise.
10307 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10310 2006-01-18 Ben Elliston <bje@au.ibm.com>
10312 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10313 decimal float modes for all floating point registers.
10315 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10316 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10318 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10321 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10322 even when the pointer is not NULL.
10324 2006-01-16 Ian Lance Taylor <ian@airs.com>
10326 * common.opt (ftoplevel-reorder): New option.
10327 * cgraph.c (cgraph_asm_nodes): New global variable.
10328 (cgraph_asm_last_node): New static variable.
10329 (cgraph_order): New global variable.
10330 (cgraph_create_node): Set new order field.
10331 (cgraph_varpool_node): Likewise.
10332 (decide_is_variable_needed): Return true if not
10333 flag_toplevel_reorder.
10334 (cgraph_add_asm_node): New function.
10335 * cgraph.h (struct cgraph_node): Add order field.
10336 (struct cgraph_varpool_node): Add order field.
10337 (struct cgraph_asm_node): Define.
10338 (cgraph_asm_nodes, cgraph_order): Declare.
10339 (cgraph_add_asm_node): Declare.
10340 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10342 (cgraph_varpool_assemble_pending_decls): Call it.
10343 (cgraph_output_pending_asms): New static function.
10344 (cgraph_finalize_compilation_unit): Call it.
10345 (struct cgraph_order_sort): Define.
10346 (cgraph_output_in_order): New static function.
10347 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10348 !flag_toplevel_reorder case.
10349 * c-parser.c: Include "cgraph.h".
10350 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10352 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10353 than -fno-unit-at-a-time.
10354 * doc/invoke.texi (Option Summary): Mention
10355 -fno-toplevel-reorder.
10356 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10357 -funit-at-a-time documentation.
10359 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10360 Kazu Hirata <kazu@codesourcery.com>
10362 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10364 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10366 * Makefile.in (FUNCTION_H): New. Use it instead of
10367 function.h throughout the file.
10368 * function.h: Include tree.h.
10370 2006-01-17 Ben Elliston <bje@au.ibm.com>
10372 * recog.c: Separate some functions with whitespace.
10374 2006-01-16 Richard Henderson <rth@redhat.com>
10376 Merge from gomp branch:
10377 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10378 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10379 and rename from struct inline_data. Rename callee* to dst*;
10380 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10381 transform_new_cfg, transform_return_to_modify, and
10382 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10384 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10385 (copy_decl_for_dup): Remove.
10386 * tree-inline.c (struct inline_data): Move to header.
10387 (insert_decl_map): Export.
10388 (remap_decl): Update for member name changes. Use copy_decl hook.
10389 Allow for replacement to be a non-decl. Remove dead code.
10390 (remap_type_1): Check for existing mapping.
10391 (remap_type): Export.
10392 (remap_decls): Update for member name changes.
10393 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10394 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10395 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10396 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10397 (tree_function_versioning, build_duplicate_type): Likewise.
10398 (copy_body_r): Likewise. Export.
10399 (copy_decl_for_dup): Split into ...
10400 (copy_decl_for_dup_finish, copy_decl_to_var,
10401 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10402 (replace_ref_tree, inlining_p): Remove.
10404 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10406 * ifcvt.c (if_convert): Make it static.
10407 * rtl.h: Remove the prototype for if_convert.
10409 * local-alloc.c (local_alloc): Make it static.
10410 * rtl.h: Remove the prototype for local_alloc.
10412 * loop.c (loop_optimize): Make it static.
10413 * cfgloop.h: Remove the prototype for loop_optimize.
10416 2006-01-16 DJ Delorie <dj@redhat.com>
10418 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10421 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10423 * pa.md: Disparage copies between general and floating-point registers
10424 in 32-bit move patterns.
10426 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10429 * Makefile.in (check-%): Depend on site.exp instead of
10430 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10433 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10435 * global.c (global_alloc): Make it static.
10436 * rtl.h: Remove the prototype for global_alloc.
10438 2006-01-16 Richard Guenther <rguenther@suse.de>
10440 * tree-ssa-alias.c (struct used_part): Add write_only field.
10441 (get_or_create_used_part_for): Initialize it to true.
10442 (create_overlap_variables_for): Don't create structure variables
10443 for structures that only are written to.
10444 (find_used_portions): Handle MODIFY_EXPR to track whether a
10445 structure is only written to.
10447 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10449 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10451 * basic-block.h: Remove the prototype for
10452 partition_hot_cold_basic_blocks.
10454 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10456 * cppspec.c (lang_specific_spec_functions): Remove.
10457 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10458 * gcc.h (lang_specific_spec_functions): Remove.
10459 * gccspec.c (lang_specific_spec_functions): Remove.
10461 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10463 * combine.c (record_value_for_reg): Invalidate registers
10465 (record_dead_and_set_regs_1): Likewise, by passing them to
10466 record_value_for_reg.
10467 (record_dead_and_set_regs): Invalidate stores made by a
10468 call. We do not combine across a call, but we still
10469 relied on equivalences.
10471 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10473 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10474 vrp_int_const_binop returning non-constant nodes.
10476 2006-01-16 Paul Brook <paul@codesourcery.com>
10478 * config/m68k/m68k.c (output_move_const_into_data_reg):
10479 Output correct mnemonic for mvz and mvs.
10481 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10483 * rtl-factoring.c: Add sequence abstraction algorithm.
10484 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10485 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10487 (block_has_preserve_label): New function.
10488 * common.opt: Register new pass.
10489 * Makefile.in: Ditto.
10491 * timevar.def: Ditto.
10492 * tree-pass.h: Ditto.
10493 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10494 * rtl.h (make_jump_insn_raw): Add forward decl.
10495 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10497 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10498 Roger Sayle <roger@eyesopen.com>
10500 * fold-const.c (fold_minmax): New static function.
10501 (fold_binary) <MIN_EXPR>: Call it.
10502 <MAX_EXPR>: Likewise.
10503 * stor-layout.c (place_field): Use DECL_SIZE consistently
10504 in the computation of the new record size.
10506 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10508 * cse.c (cse_condition_code_reg): Make it static.
10509 * rtl.h: Remove the prototype for cse_condition_code_reg.
10511 * combine.c (combine_instructions): Make it static.
10512 * rtl.h: Remove the prototype for combine_instructions.
10514 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10517 * tree.c (get_file_function_name_long): Concatenate the first global
10518 object name with a string derived from the input filename of the object
10521 2006-01-16 Ben Elliston <bje@au.ibm.com>
10523 * config/i386/winnt-stubs.c: Update FSF address.
10524 * config/xtensa/ieee754-df.S: Ditto.
10525 * config/xtensa/ieee754-sf.S: Ditto.
10527 2006-01-14 Ian Lance Taylor <ian@airs.com>
10529 * ifcvt.c (noce_init_if_info): New static function, broken out of
10530 noce_process_if_block.
10531 (noce_process_if_block): Call noce_init_if_info.
10532 (check_cond_move_block): New static function.
10533 (cond_move_process_if_block): New static function.
10534 (process_if_block): Call cond_move_process_if_block.
10536 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10538 * cselib.c (hash_table): Rename to cselib_hash_table.
10539 (cselib_clear_table, discard_useless_values,
10540 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10541 cselib_init, cselib_finish): Adjust uses of hash_table.
10543 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10545 PR tree-optimization/25485
10546 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10547 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10548 is known to be false and true, respectively.
10550 2006-01-14 Richard Guenther <rguenther@suse.de>
10552 PR tree-optimization/22548
10553 PR tree-optimization/22555
10554 PR tree-optimization/22501
10555 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10556 * params.def (salias-max-array-elements): New parameter.
10557 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10558 * doc/invoke.texi (salias-max-array-elements): Document.
10559 * tree-flow-inline.h (var_can_have_subvars): We also handle
10561 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10563 * tree-ssa-structalias.c (params.h): Include.
10564 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10565 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10566 (get_constraint_for): For ADDR_EXPR operating on something
10567 containing an ARRAY_REF, add all subvars to the solution.
10568 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10569 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10570 for creating MUST_DEFs.
10571 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10573 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10575 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10577 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10578 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10579 number_of_iterations_le): New functions.
10580 (number_of_iterations_special): Removed.
10581 (number_of_iterations_exit): Do not use number_of_iterations_special.
10582 * tree.c (unsigned_type_for): Always return integer type.
10584 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10585 Richard Guenther <rguenther@suse.de>
10587 PR rtl-optimization/24257
10588 * gcse.c (find_moveable_store): Only consider a store movable
10589 when the SET_SRC of the insn can be assigned to a register.
10591 2006-01-14 Ian Lance Taylor <ian@airs.com>
10593 * tree.c (tree_not_class_check_failed): New function.
10594 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10595 (tree_not_class_check_failed): Declare.
10597 2006-01-13 Ian Lance Taylor <ian@airs.com>
10599 * reload1.c (do_output_reload): Add assertion rejecting a
10602 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10604 * combine.c (struct reg_stat): Add new fields truncation_label and
10606 (record_value_for_reg): Reset truncated_to_mode.
10607 (record_truncated_value): New function.
10608 (check_promoted_subreg): Call it. Rename to check_conversions.
10609 (combine_instructions): Rename check_promoted_subreg to
10611 (reg_truncated_to_mode): New function.
10612 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10613 (gen_lowpart_or_truncate): New function.
10614 (force_to_mode): Use it instead of gen_lowpart.
10616 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10618 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10619 VAR is a tag, not its type tag.
10621 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10623 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10624 alternatives to match style of other entries.
10625 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10627 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10629 PR tree-optimization/25771
10630 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10633 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10636 * tree-inline.c (declare_return_variable): If the return variable
10637 was marked as a non gimple complex, set the return slot variable
10638 to be a non gimple comple variable.
10640 2006-01-13 Richard Guenther <rguenther@suse.de>
10642 * builtins.c (expand_builtin_sincos): New function.
10643 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10645 (expand_builtin): Expand sincos using expand_builtin_sincos.
10647 2006-01-12 DJ Delorie <dj@redhat.com>
10649 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10650 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10651 so that constant shifts can be split.
10652 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10653 (m32c_valid_pointer_mode): Make static.
10654 (shift_gen_func_for): New.
10655 (m32c_prepare_shift): Use it. Split large const shifts into
10657 * config/m32c/predicates.md (shiftcount_operand): Allow more
10659 (longshiftcount_operand): New.
10660 * doc/md.texi (Machine Constraints): Document In6.
10662 2006-01-13 Ben Elliston <bje@au.ibm.com>
10664 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10665 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10668 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10670 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10671 to try to avoid clobbering pieces of structures when we know
10672 something about the whole structure.
10673 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10675 2006-01-13 Ben Elliston <bje@au.ibm.com>
10677 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10678 return in memory, as this is no limitation is no longer present.
10680 2006-01-12 DJ Delorie <dj@redhat.com>
10682 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10683 mova with fb, and for fb+0 -> An.
10685 * config/m32c/mov.md (peephole2): Fix enabling logic.
10687 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10688 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10689 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10690 FINI_ARRAY_SECTION_ASM_OP): Define.
10692 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10694 (m32c_legitimize_reload_address): New logic to reload FB to An.
10695 (m32c_output_reg_push): Add newline.
10696 (m32c_output_reg_pop): Likewise.
10698 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10700 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10702 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10704 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10706 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10708 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10711 2006-01-11 Ben Elliston <bje@au.ibm.com>
10713 * rtlanal.c (find_reg_note): Assert insn is not null.
10715 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10717 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10720 2006-01-11 Jeff Law <law@redhat.com>
10722 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10724 (mark_threaded_blocks, register_jump_thread): New functions.
10725 (thread_through_all_blocks): Remove unwanted argument. No
10726 longer rely on e->aux to communicate thread target info.
10727 Call mark_threaded_blocks. Release the threaded_blocks
10728 bitmap and threaded_edges vector when complete.
10729 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10730 (threaded_blocks): Remove.
10731 (tree_ssa_dominator_optimize): Remove initialization and
10732 finalization of threaded_blocks. Simplify call to
10733 thread_through_all_blocks.
10734 (thread_across_edge): Call register_jump_thread rather than
10735 storing thread information into e->aux.
10736 (free_all_edge_infos): Simplify now that e->aux is no longer
10737 used to communicate with thread_through_all_blocks.
10738 * tree-flow.h (thread_through_all_blocks): Update prototype.
10739 (register_jump_thread): Prototype.
10741 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10743 * df-core.c (df_compact_blocks, df_bb_replace): Use
10744 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10746 2006-01-11 Richard Guenther <rguenther@suse.de>
10748 PR tree-optimization/25734
10749 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10750 stop propagation after successful propagation to the LHS.
10752 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10754 * basic-block.h (control_flow_graph): Change the type of
10755 x_basic_block_info to VEC(basic_block,gc) *.
10756 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10758 (SET_BASIC_BLOCK): New.
10759 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10760 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10761 * cfgbuild.c (find_basic_blocks): Likewise.
10762 * cfglayout.c (fixup_reorder_chain): Likewise.
10763 * cfgrtl.c (create_basic_block_structure,
10764 rtl_create_basic_block): Likewise.
10765 * ifcvt.c (find_if_case_1): Likewise.
10766 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10769 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10771 * Makefile.in: Removed rotted odf.c entry.
10773 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10776 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10777 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10778 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10779 output pattern modifier, not %e.
10780 * config/cris/cris.c (cris_op_str): Update comment about pattern
10782 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10783 before falling through into...
10784 <case 'E'>: Redefined from old 'e' case.
10786 2006-01-11 Jan Hubicka <jh@suse.cz>
10789 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10791 2006-01-11 Jan Hubicka <jh@suse.cz>
10793 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10794 * i386.c (x86_decompose_lea): Kill.
10795 (ix86_rtx_costs): Kill.
10797 2006-01-11 Jan Hubicka <jh@suse.cz>
10799 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10800 * cgraph.h (cgraph_node): Add inline_decl.
10801 (cgraph_insert_node_to_hashtable): Declare.
10802 (save_inline_function_body): Declare.
10803 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10805 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10806 (cgraph_function_versioning): Update call of tree_function_versioning.
10807 (save_inline_function_body): New function.
10808 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10809 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10810 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10811 (cgraph_default_inline_p): Likewise.
10812 (cgraph_decide_inlining_incrementally): Likewise.
10813 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10814 (copy_bb): Kill saving; do updating of clones.
10815 (copy_cfg_body): Kill saving.
10816 (initialize_inlined-parameters): Likewise.
10817 (expand_call_inline): Likewise.
10819 (tree_function_versioning): New parameter "update_clones".
10820 (inlining_p): Kill saving.
10821 * tree-inline.h (tree_function_versioning): Update prototype.
10822 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10825 2006-01-11 Ian Lance Taylor <ian@airs.com>
10827 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10828 Allow undoing set of machine mode.
10829 (do_SUBST): Use enums instead of is_int.
10830 (do_SUBST_MODE): New function.
10831 (SUBST_MODE): New macro.
10832 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10833 reg and trying to replace reg_regno_rtx with a new register.
10834 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10835 (simplify_set): Use SUBST_MODE.
10836 (distribute_notes): Remove code that tried to update reg notes
10837 for regno_reg_rtx changes.
10839 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10841 PR tree-optimization/23109
10842 PR tree-optimization/23948
10843 PR tree-optimization/24123
10845 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10846 * tree-cfg.c (single_noncomplex_succ): New.
10847 * tree-flow.h (single_noncomplex_succ): Declare it.
10848 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10849 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10850 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10851 insert_bb, register_division_in, insert_reciprocals,
10852 replace_reciprocal, free_bb): New.
10853 (execute_cse_reciprocals_1): Rewritten.
10854 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10855 Do not commit any edge insertion. Always compute dominators and
10856 create the allocation pool.
10857 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10858 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10859 * targhooks.c (default_min_divistions_for_recip_mul): New.
10860 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10861 * passes.c (init_optimization_passes): Run recip after tree loop
10863 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10865 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10866 Kenneth Zadeck <zadeck@naturalbridge.com>
10868 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10869 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10870 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10871 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10872 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10873 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10874 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10875 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10876 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10877 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10878 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10879 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10880 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10881 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10882 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10883 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10884 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10885 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10886 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10887 DF_SCAN_POST_ALLOC): New macros.
10888 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10889 df_free_bb_function, df_local_compute_function, df_init_function,
10890 df_dataflow_function, df_confluence_function_0,
10891 df_confluence_function_n, df_transfer_function,
10892 df_finalizer_function, df_free_function, df_dump_problem_function,
10893 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10894 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10895 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10896 df_urec_bb_info, ) New types.
10897 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10899 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10900 df_analyze_simple_change_some_blocks,
10901 df_analyze_simple_change_one_block, df_compact_blocks,
10902 df_bb_replace, df_bb_regno_last_use_find,
10903 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10904 df_insn_regno_def_p, df_find_def, df_find_use,
10905 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10906 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10907 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10908 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10909 debug_df_chain, df_get_dependent_problem, df_chain_create,
10910 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10911 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10912 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10913 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10914 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10915 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10916 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10917 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10918 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10919 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10920 df_reorganize_refs, df_set_state, df_hard_reg_init,
10921 df_read_modify_subreg_p) New public functions.
10922 * df-core.c: The core dataflow solver and glue routines for rtl
10924 (df_init, df_add_problem, df_set_blocks, df_finish,
10925 df_hybrid_search_forward, df_hybrid_search_backward,
10926 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10927 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10928 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10929 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10930 df_reg_defined, df_find_use, df_reg_used, df_dump,
10931 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10932 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10933 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10934 debug_df_useno, reset_df_after_reload): New functions.
10935 * df-scan.c: The scanning fuctions, once in df.c, completely
10936 rewritten so that they now fully model the functionality of
10937 register usage at the backend.
10938 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10939 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10940 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10941 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10942 df_get_artificial_defs, df_get_artificial_uses,
10943 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10944 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10945 df_refs_delete, df_reorganize_refs, df_set_state,
10946 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10947 df_def_record_1, df_defs_record, df_uses_record,
10948 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10949 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10950 df_record_exit_block_uses, df_hard_reg_init): New functions.
10952 * df-problems.c: Seven concrete dataflow problems that use the
10953 scanning in df-scan.c and are solved by the engine in df-core.c.
10954 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10955 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10956 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10957 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10958 df_ru_free_bb_info, df_ru_alloc,
10959 df_ru_bb_local_compute_process_def,
10960 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10961 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10962 df_ru_transfer_function, df_ru_free, df_ru_dump,
10963 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10964 df_rd_free_bb_info, df_rd_alloc,
10965 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10966 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10967 df_rd_transfer_function, df_rd_free, df_rd_dump,
10968 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10969 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10970 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10971 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10972 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10973 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10974 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10975 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10976 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10977 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10978 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10979 df_urec_mark_reg_use_for_earlyclobber,
10980 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10981 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10982 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10983 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10984 df_chain_create_bb_process_use, df_chain_create_bb,
10985 df_chain_finalize, df_chain_free, df_chains_dump,
10986 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10987 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10988 df_reg_lifetime): New functions.
10989 * df.c: Deleted file.
10990 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10991 consistent with new df api.
10992 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10993 rest_of_handle_sms): Ditto.
10994 * web.c (unionfind_union, union_defs, entry_register, web_main):
10996 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10997 invariant_expr_equal_p, find_defs, check_dependencies,
10998 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10999 free_inv_motion_data, move_loop_invariants): Ditto.
11000 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11001 Update dependencies.
11002 (odf.c): Added defective entry that was deleted later in day.
11003 * sched-deps.c (sched_analyze_1): Ditto.
11005 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11007 * tree-ssa-operands.c (get_expr_operands): Record addressable
11008 variables directly. Do not call add_stmt_operands for CONST_DECLs
11010 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11011 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11013 2006-01-11 Ben Elliston <bje@au.ibm.com>
11015 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11016 function returns true in the positive case.
11018 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11021 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11022 for SI, DI, SF and DF modes. Add alternatives to copy between
11023 general and floating point registers to the 32-bit patterns.
11024 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11025 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11026 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11027 generating 64-bit code.
11028 * config/pa/pa.c (output_move_double): Handle copies between general
11029 and floating registers.
11031 2006-01-10 Stuart Hastings <stuart@apple.com>
11033 * config/i386/i386.md (set_got): Update.
11034 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11035 (builtin_setjmp_receiver): Mach-O support.
11036 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11037 (GOT_SYMBOL_NAME): Define.
11038 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11039 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11040 * config/i386/i386.c (override_options): Revise for Darwin.
11041 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11042 support. (darwin_x86_file_end): New. (output_set_got): Add label
11043 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11044 * config/i386/i386-protos.h (output_set_got): Likewise.
11045 * config/darwin.c (machopic_legitimize_pic_address): Update
11048 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11050 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11051 when MODE isn't BLKmode.
11053 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11055 PR rtl-optimization/25367
11056 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11058 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11061 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11062 for a negative bound.
11064 2006-01-10 Richard Guenther <rguenther@suse.de>
11066 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11067 Never override with anything constraint.
11069 2006-01-10 Jan Beulich <jbeulich@novell.com>
11071 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11072 256 bits when optimize_size.
11074 2006-01-10 Jan Beulich <jbeulich@novell.com>
11076 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11078 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11079 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11082 2006-01-10 Ben Elliston <bje@au.ibm.com>
11084 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11086 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11087 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11088 (USE_FP_FOR_ARG): Reject decimal float modes.
11089 (function_arg_advance): Likewise.
11090 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11091 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11092 point types in AltiVec vectors.
11093 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11094 (rs6000_libcall_value): Likewise.
11096 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11098 * config/xtensa/ieee754-df.S: New file.
11099 * config/xtensa/ieee754-sf.S: New file.
11100 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11101 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11102 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11104 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11106 * config/sh/predicates.md (binary_float_operator,
11107 binary_logical_operator, commutative_float_operator,
11108 equality_comparison_operator, greater_comparison_operator,
11109 less_comparison_operator, logical_operator,
11110 noncommutative_float_operator, shift_operator,
11111 symbol_ref_operand, unary_float_operator): Remove redundant
11114 2006-01-09 Jeff Law <law@redhat.com>
11116 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11117 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11118 now unused arguments. Callers updated.
11119 (eliminate_redundant_computations): Remove now unused arguments,
11121 (local_fold): Remove, no longer used.
11122 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11124 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11125 (simplify_cond): New function.
11126 (forward_propagate_into_cond): Call simplify_cond.
11128 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11130 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11131 (*vec_extractv2di_1_sse): New.
11133 2006-01-09 Ben Elliston <bje@au.ibm.com>
11135 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11137 2006-01-08 Richard Guenther <rguenther@suse.de>
11139 * tree-ssa-structalias.c (get_constraint_for): Remove
11140 anyoffset argument.
11141 (get_constraint_for_component_ref): Likewise.
11142 (do_deref): Likewise.
11143 (get_constraint_for): Likewise.
11144 (do_structure_copy): Likewise.
11145 (handle_ptr_arith): Likewise.
11146 (find_func_aliases): Likewise. Remove unused need_anyoffset
11149 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11150 Kaz Kojima <kkojima@gcc.gnu.org>
11152 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11153 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11154 (EXTRA_CONSTRAINT_C16): Remove.
11155 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11156 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11157 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11158 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11159 constants of SHmedia. Handle nested constant expressions of
11161 (andcosts): Fix the costs for SHmedia constants.
11162 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11163 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11164 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11165 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11166 (movv4hi_i, movv2si_i): Likewise.
11167 (movsi_const): Adjust the second operand of ior so to match with
11168 the Csu constraint.
11169 (movdi_const, movdi_const_32bit): Likewise.
11170 (movdi_const_16bit+1): Don't sign-extend LOW.
11171 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11173 (*double_shori): Fix the split condition. Use GEN_INT instead
11174 of get_int_mode calls. Mask lower 16-bit of the argument of
11176 (sym2GOTPLT): Remove.
11177 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11179 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11180 instead of EXTRA_CONSTRAINT_C16.
11182 2006-01-07 Ian Lance Taylor <ian@airs.com>
11183 David Edelsohn <edelsohn@gnu.org>
11185 PR rtl-optimization/25662
11186 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11187 for constant operands instead of simplify_gen_binary.
11188 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11189 after trying simplify_binary_operation
11191 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11193 * tree.c (iterative_hash_expr): Hash decls based on UID.
11195 2006-01-06 Eric Christopher <echristo@apple.com>
11197 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11198 (TARGET_UNWIND_EMIT): Fix spelling.
11199 * target.h (gcc_target): Add except_table_label.
11200 * except.c (output_function_exception_table): Use.
11201 * varasm.c (default_emit_except_table_label): New.
11202 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11204 (asm_out): Add here.
11205 * output.h (default_emit_except_table_label): Prototype.
11206 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11207 * config/darwin.c (darwin_emit_except_table_label): Define.
11208 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11210 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11212 PR tree-optimization/18527
11213 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11214 number_of_iterations_special, number_of_iterations_exit):
11215 Move base and step of an iv to a single structure. Add
11216 no_overflow flag, and use it in # of iterations analysis.
11217 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11218 folded_casts argument.
11219 (simple_iv): Pass base and step in a structure. Set no_overflow
11221 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11222 Evaluate expensiveness of computing # of iterations instead of
11223 the final expression.
11224 * tree-scalar-evolution.h (affine_iv): New structure.
11225 (simple_iv): Declaration changed.
11226 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11227 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11228 find_givs_in_stmt): Changed due to simple_iv change.
11230 2006-01-06 Jeff Law <law@redhat.com>
11233 * tree-cfg.c (bsi_replace): Rename final argument from
11234 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11235 change (stmt -> orig_stmt).
11236 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11237 (bsi_remove): Add new argument. Remove EH information
11239 (verify_eh_throw_table_statements): New function.
11240 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11242 * tree-optimize.c (execute_free_cfg_annotations): Verify
11243 the EH throw statement table after removing annotations.
11244 * except.h (verify_eh_throw_table_statements): Prototype.
11245 * tree-flow.h (bsi_remove): Update prototype.
11246 * tree-vrp.c (remove_range_assertions): Add new argument to
11248 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11249 * tree-complex.c (expand_complex_div_wide): Likewise.
11250 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11251 * tree-tailcall.c (eliminate_tailcall): Likewise.
11252 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11253 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11254 * tree-nrv.c (tree_nrv): Likewise.
11255 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11256 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11257 (combine_blocks): Likewise.
11258 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11259 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11260 (cleanup_control_flow): Likewise.
11261 (remove_forwarder_block): Likewise.
11262 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11263 * tree-sra.c (sra_replace): Likewise.
11264 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11265 (forward_propagate_single_use_vars): Likewise.
11266 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11267 * tree-inline.c (expand_call_inline): Likewise.
11268 * tree-vect-transform.c (vect_transform_loop): Likewise.
11269 * tree-outof-ssa.c (rewrite_trees): Likewise.
11270 * tree-cfg.c (make_goto_expr_edges): Likewise.
11271 (cleanup_dead_labels): Likewise.
11272 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11273 (bsi_move_before, bsi_move_after): Likewise.
11274 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11275 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11277 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11280 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11282 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11283 on non gimple variables. Also add checks at the top for decls and
11285 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11287 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11288 and IMAGPART_EXPR for creating MUST_DEFs.
11289 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11290 and NAME_MEMORY_TAG separately from the DECLs.
11292 2006-01-06 Richard Guenther <rguenther@suse.de>
11294 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11295 annotation, if necessary.
11296 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11297 redundant calls to update_stmt.
11298 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11301 2006-01-05 Richard Henderson <rth@redhat.com>
11303 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11305 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11307 * c-typeck.c: Update copyright date.
11309 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11311 * c-typeck.c (build_c_cast): Always warn when casting
11312 from a pointer to an integer of different size, even if
11313 the node was constant.
11315 2006-01-05 Richard Guenther <rguenther@suse.de>
11317 PR tree-optimization/22555
11318 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11319 if one structure field is an array.
11320 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11321 operands even if we found a subvar, but ignore VOPs in this
11323 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11325 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11327 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11329 PR middle-end/24998
11330 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11332 2006-01-05 Richard Guenther <rguenther@suse.de>
11333 Diego Novillo <dnovillo@redhat.com>
11335 * tree-pass.h (TODO_remove_unused_locals): Define.
11336 * gimple-low.c (expand_var_p, remove_useless_vars,
11337 pass_remove_useless_vars): Remove. Update all users.
11338 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11339 (remove_unused_locals): New function.
11340 * tree-flow.h (remove_unused_locals): Declare.
11341 * passes.c (execute_todo): Call remove_unused_locals if
11342 TODO_remove_unused_locals is set.
11343 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11344 * tree-ssa-dce.c (pass_dce): Likewise.
11345 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11347 2006-01-05 Richard Guenther <rguenther@suse.de>
11349 * tree-flow.h (struct fieldoff): Decompose field to
11350 type, size and decl.
11351 * tree-ssa-alias.c (create_sft): Take type as parameter.
11352 (create_overlap_variables_for): Store type, size and decl
11353 in the fieldoff structure.
11354 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11355 of struct fieldoff.
11356 (push_fields_onto_fieldstack): Likewise.
11357 (create_variable_info_for): Likewise. Use offset for the
11358 SFT name if the decl is not available.
11360 2006-01-04 Paul Brook <paul@codesourcery.com>
11362 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11364 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11366 * lambda-code.c (can_put_in_inner_loop): Relax
11368 (can_put_after_inner_loop): New function.
11369 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11370 (perfect_nestify): Change to make copies and modify uses.
11372 2006-01-04 Richard Henderson <rth@redhat.com>
11374 Merge from gomp branch:
11375 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11376 via integer constant.
11377 (pragma_lex): Remove.
11378 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11379 rather than parsing it.
11380 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11381 handle_pragma_extern_prefix): Add %< %> quotes.
11382 (registered_pragmas): New.
11383 (c_register_pragma_1): New.
11384 (c_register_pragma): Use it.
11385 (c_register_pragma_with_expansion): Likewise.
11386 (c_invoke_pragma_handler): New.
11387 (init_pragma): Use cpp_register_deferred_pragma directly for
11389 * c-pragma.h (enum pragma_kind): New.
11390 (pragma_handler): New.
11391 (c_invoke_pragma_handler): Declare.
11392 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11394 * c-common.h (c_common_pch_pragma): Update decl.
11395 * Makefile.in (c-parser.o): Update dependencies.
11396 (GTFILES): Add c-pragma.h.
11397 * c-parser.c (struct c_token): Add pragma_kind.
11398 (struct c_parser): Add in_pragma.
11399 (c_lex_one_token): Always initialize keyword and pragma_kind.
11400 Extract data for CPP_PRAGMA.
11401 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11402 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11403 Don't allow CPP_PRAGMA_EOL if in_pragma.
11404 (c_parser_consume_pragma): New.
11405 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11406 (c_parser_skip_to_end_of_parameter): Likewise.
11407 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11408 (c_parser_skip_to_pragma_eol): New.
11409 (c_parser_external_declaration): Handle CPP_PRAGMA.
11410 (c_parser_compound_statement_nostart): Likewise.
11411 (c_parser_statement_after_labels): Likewise.
11412 (c_parser_pragma): New.
11413 (pragma_lex): Likewise.
11414 (c_parser_pragma_pch_preprocess): New.
11415 (c_parser_new): Merge into ...
11416 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11418 2006-01-04 Jeff Law <law@redhat.com>
11421 * tree-cfg.c (bsi_replace): Remove the original statement
11422 from the EH throw statement table.
11424 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11426 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11427 make the prototype extern "C" and add throw ().
11430 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11431 and pos non-negative and pos + len <= 32.
11432 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11433 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11434 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11437 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11438 as well as sizes not multiple of component size.
11441 * function.c (instantiate_expr): New function.
11442 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11443 walk its DECL_VALUE_EXPR with instantiate_expr.
11445 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11446 DW_OP_deref{,_size} if address isn't going to be added.
11448 2006-01-04 Ben Elliston <bje@au.ibm.com>
11450 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11451 * config/fp-bit.c: Likewise.
11453 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11455 * dominance.c: Add comment about why we use DFS numbering
11458 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11459 Richard Henderson <rth@redhat.com>
11461 Merge from gomp-branch:
11462 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11463 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11465 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11467 PR rtl-optimization/25578
11468 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11469 pass a parameter to simplify_shift_const if changing ASHIFTRT
11472 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11474 * builtins.c (get_builtin_sync_mem): New function.
11475 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11476 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11477 Call get_builtin_sync_mem to generate mem rtx.
11479 2006-01-03 Richard Guenther <rguenther@suse.de>
11482 * stmt.c (add_case_node): Make sure to clear overflow flags
11485 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11487 Merge from gomp-branch.
11488 * config/sparc/sync.md: New file.
11489 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11490 UNSPECV_LDSTUB): New constants.
11491 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11492 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11493 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11496 2006-01-03 Roger Sayle <roger@eyesopen.com>
11498 * combine.c (reg_subword_p): New predicate to test whether the
11499 destination of a set refers to a subword/piece of a register.
11500 (try_combine): Generalize the code to merge the setting of a
11501 pseudo to a constant followed by a set of a subword of that
11502 register to a constant.
11504 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11506 * basic-block.h (control_flow_graph): Change the type of
11507 x_label_to_block_map to VEC(basic_block,gc) *.
11508 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11509 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11511 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11512 VEC(basic_block,heap) *.
11513 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11514 ssa_prop_fini): Adjust the uses of cfg_blocks.
11516 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11518 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11520 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11521 hashing trees instead of a pointer hash.
11522 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11523 compare for MEM_EXPR.
11525 PR rtl-optimization/25130
11526 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11527 when comparing MEMs for GCSE
11529 2006-01-03 Ben Elliston <bje@au.ibm.com>
11531 * targhooks.h (default_decimal_float_supported_p): Declare.
11532 * targhooks.c (default_decimal_float_supported_p): Define.
11533 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11534 `default_decimal_float_supported_p'.
11535 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11537 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11539 * combine.c (apply_distributive_law <SUBREG>): Check
11540 TRULY_NOOP_TRUNCATION.
11542 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11544 * dwarf2out.c (have_switched_text_section): Delete.
11545 (have_multiple_function_sections): New.
11546 (have_location_lists): Make 'bool'.
11547 (add_AT_loc_list): Use 'true' not '1'.
11548 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11549 (output_loc_list): Use have_multiple_function_sections.
11550 (output_ranges): Likewise.
11551 (dwarf2out_begin_function): Set have_multiple_function_sections if
11553 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11554 Check function_section rather than DECL_SECTION_NAME.
11555 (dwarf2out_finish): Use have_multiple_function_sections.
11556 Don't clear have_location_lists.
11558 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11559 Jan Hubicka <jh@suse.cz>
11561 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11562 case of conditional jump jumping to the next instruction.
11563 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11564 cases of conditional jump jumping to the next instruction.
11566 2006-01-02 Jan Hubicka <jh@suse.cz>
11568 * i386.c (*_cost): Add COSTS_N_INSNS.
11569 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11571 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11574 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11576 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11578 * config/arm/arm.c (all_fpus): Fix comment typo.
11579 * config/darwin.c: Likewise.
11580 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11581 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11582 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11584 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11586 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11587 (rs6000_split_compare_and_swapqhi): New.
11588 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11589 (sync_compare_and_swapqhi_internal): New.
11590 * config/rs6000/rs6000-protos.h: Declare.
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