| blob | d5ed078e9f51a22046b7718e90a5626f0cfe0890 |
1 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3 * df-core.c: Added to header comments.
4 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5 df_ur_bb_info, df_urec_bb_info): Added comments.
6 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7 urec, ri problems): Fixed header comments.
8 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9 code from df_rd_transfer_function.
11 2006-05-23 Richard Sandiford <richard@codesourcery.com>
13 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
14 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
15 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
17 2006-05-23 Joseph Myers <joseph@codesourcery.com>
19 * expr.c (undefined_operand_subword_p): New.
20 (emit_move_multi_word): Do not generate move from undefined bits
21 of a paradoxical subreg.
23 2006-05-23 Richard Sandiford <richard@codesourcery.com>
25 PR rtl-optimization/27736
26 * combine.c (replaced_rhs_value): New variable.
27 (combine_instructions): Set it.
28 (distribute_notes): When distributing a note in replaced_rhs_insn,
29 check whether the value was used in replaced_rhs_value.
31 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
33 PR c++/26757
34 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
35 add_referenced_var instead of add_referenced_tmp_var.
36 * tree-complex.c (create_one_component_var): Use add_referenced_var.
37 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
38 add_referenced_var.
39 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
40 tree_optimize_tail_calls_1): Use add_referenced_var.
41 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
42 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
43 Use add_referenced_var.
44 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
45 * gimplify.c (force_gimple_operand): Use add_referenced_var.
46 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
47 Use add_referenced_var.
48 * tree-dfa.c (struct walk_state): Remove.
49 (find_referenced_vars): Remove walk state and vars_found hash table.
50 (make_rename_temp): Use add_referenced_var.
51 (find_vars_r): Pass less parameters to add_referenced_var.
52 (referenced_var_p): New. Is var in referenced_var hash table.
53 (referenced_var_insert): Assert var isn't already in hash table.
54 (add_referenced_var): Don't need walk_state parameter. Add var if it
55 isn't already in the hash table.
56 (add_referenced_tmp_var): Remove.
57 (find_new_referenced_vars_1): Use add_referenced_var.
58 * tree-ssa-pre.c (create_expression_by_pieces,
59 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
60 Use add_referenced_var.
61 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
62 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
63 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
64 add_referenced_var.
65 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
66 vect_create_data_ref_ptr, vect_create_destination_var,
67 vect_init_vector, vect_build_loop_niters,
68 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
69 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
70 Use add_referenced_var.
71 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
72 * tree-flow.h (add_referenced_tmp_var): Remove prototype
73 (add_referenced_var): Add prototype.
74 * tree-ssa-structalias.c (get_constraint_for,
75 intra_create_variable_infos): Use add_referenced_var.
77 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
79 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
80 big-endian paradoxical subregs.
81 * var-tracking.c (struct micro_operation_def): Document that,
82 for modify micro operations, insn is the subsequent instruction.
83 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
84 (var_reg_set, var_mem_set): ... new functions.
85 (add_stores): Record subsequent insn.
86 (compute_bb_dataflow): Use new functions for MO_USE.
87 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
88 notes after the insn, and modify notes before the insn known
89 to be the subsequent one.
90 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
92 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
94 PR target/27696
95 * config/i386/i386.c (ix86_expand_builtin): Use
96 gen_sse3_monitor64 for TARGET_64BIT.
98 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
100 PR rtl-optimization/26375
101 PR rtl-optimization/26855
102 * df-problems (df_ru_bb_local_compute_process_def): Removed update
103 to gen set.
104 (df_ru_bb_local_compute): Reversed statements and removed bogus
105 comment explaining why they should be in wrong order.
106 (df_ru_dump, df_rd_dump): Enhanced debug info.
107 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
108 debug info.
109 * ddg.c (add_deps_for_def): Converted use of reaching defs to
110 reaching uses and fixed space problem.
112 2006-05-23 Jan Hubicka <jh@suse.cz>
114 * cgraphunit.c (decide_is_function_needed): Also nested functions
115 and functions declared inline can be optimized out at -O0.
117 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
119 * doc/install.texi (Configuration): Remove reference to CrossGCC
120 FAQ which was hijacked.
121 (Building): Ditto.
123 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
125 PR target/27266
126 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
127 ix86_compare_emitted is non-NULL.
129 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
131 PR c++/27451
132 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
133 clobbers.
135 2006-05-22 Richard Sandiford <richard@codesourcery.com>
137 PR rtl-optimization/25514
138 * combine.c (replaced_rhs_insn): New variable.
139 (combine_instructions): Set replaced_rhs_insn when trying to replace
140 a SET_SRC with a REG_EQUAL note.
141 (distribute_notes): Use replaced_rhs_insn when determining the live
142 range of a REG_DEAD register.
144 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
145 Anatoly Sokolov <aesok@post.ru>
147 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
148 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
149 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
150 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
151 atmega3290, atmega649, atmega6490, atmega406, atmega640,
152 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
153 at90usb647, at90usb1286 and at90usb1287 devices.
154 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
155 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
157 2006-05-22 Richard Sandiford <richard@codesourcery.com>
159 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
161 2006-05-22 Richard Guenther <rguenther@suse.de>
163 Revert
164 2006-01-31 Richard Guenther <rguenther@suse.de>
165 Paolo Bonzini <bonzini@gnu.org>
167 * doc/install.texi (--disable-libgcc-math): Document.
169 2006-05-22 Richard Guenther <rguenther@suse.de>
171 Revert
172 2006-01-31 Richard Guenther <rguenther@suse.de>
174 * doc/invoke.texi (-msselibm): Document.
175 * target.h (expand_library_builtin): New target hook.
176 * builtins.c (expand_builtin): Use expand_library_builtin.
177 (default_expand_library_builtin): New function.
178 * gcc.c (LINK_GCC_MATH_SPEC): Define.
179 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
180 (link_gcc_math_spec): Declare.
181 (static_specs): Add link_gcc_math_spec.
182 * expr.h (default_expand_library_builtin): Declare.
183 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
184 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
185 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
186 * config/i386/i386.opt (msselibm): New target option.
187 * config/i386/i386.c (ix86_builtin_function_variants): New array.
188 (ix86_init_sse_abi_builtins): New function.
189 (ix86_expand_library_builtin): Likewise.
190 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
191 (override_options): Handle error conditions wrt -msselibm.
192 (ix86_builtins): Add function codes for SSE2 ABI builtins.
193 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
194 * doc/extend.texi (__builtin_sse2_*): Document new target specific
195 builtins.
197 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
199 PR c/27420
200 * c-common.c (self_promoting_args_p): Skip erroneous args.
202 PR c/26818
203 * c-decl.c (finish_struct): Skip erroneous fields.
205 2006-05-22 Nick Clifton <nickc@redhat.com>
207 * config/cris/cris.opt (march): Remove VarExists attribute.
208 (max-stackframe=): Likewise.
210 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
212 * doc/rtl.texi: Fix a typo.
213 * see.c: Fix comment typos.
215 * tree-ssa-structalias.h (alias_info): Remove num_references.
217 2006-05-21 Mike Stump <mrs@apple.com>
219 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
220 (BAD2): Add.
221 (darwin_pragma_options): Use BAD instead.
222 (darwin_pragma_unused): Likewise.
223 (darwin_pragma_ms_struct): Likewise.
225 2006-05-21 David Edelsohn <edelsohn@gnu.org>
227 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
229 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
231 PR rtl-optimization/27671
232 * simplify-rtx.c (simplify_relational_operation_1): Fix
233 simplifications of (eq/ne (xor x y) y) and
234 (eq/ne (xor x y) x).
236 PR tree-optimization/26622.
237 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
238 on arg1.
240 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
242 * tree-cfg.c: Prune whitespace.
243 (debug_tree_cfg): Point to correct header containing the
244 TDF_* defines.
246 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
248 PR middle-end/25776
249 * cgraphunit.c (verify_cgraph_node): Typo in error message.
251 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
253 PR middle-end/25776
254 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
255 or sorry count is non zero.
257 2006-05-20 Andreas Schwab <schwab@suse.de>
259 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
261 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
262 Kenneth Zadeck <zadeck@naturalbridge.com>
264 PR rtl-optimization/26855
266 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
267 multiword refs.
268 (df_scan_alloc): Added code to properly handle multiword hard
269 registers and add all_blocks parameter.
270 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
271 code to properly handle multiword hard registers.
272 (df_rescan_blocks): Added code to remove deleted blocks from
273 bitmap.
274 (df_ref_create_structure, df_ref_record): Added code to properly
275 handle subregs.
276 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
277 and set DF_REF_PARTIAL.
278 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
279 (df_uses_record): Added DF_REF_PARTIAL for subreg.
280 (df_scan_add_problem): Added flags parameter.
281 (df_ref_create_structure): Changed switching structure.
282 (df_bb_refs_record): Fixed case where duplicate artificial refs
283 were created. Changed location of flags.
284 (df_record_entry_block_defs): Added code to make stack pointer
285 live in entry block. Refined cases where frame pointer is needed.
286 Changed location of flags.
287 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
288 (df_set_state): Removed function.
289 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
290 df_insn_create_insn_record, df_insn_refs_delete,
291 df_ref_create_structure): Formatting changes.
292 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
293 df_delete_basic_block): New function.
294 (df_init): Changed location of flags.
295 (df_add_problem): Added flags parameter and the way flags are
296 processed.
297 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
298 debug_df_chain): Improved debugging output.
299 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
300 (df_refs_chain_dump): Removed df parameter.
301 (df_iterative_dataflow): Added consistency check.
302 (df_prune_to_subcfg): Made public.
303 (df_analyze_problem): Added blocks_to_init parameter and made
304 public.
305 (df_ref_record, df_bb_refs_record, df_mark_reg,
306 df_record_exit_block_uses): Whitespace changes.
307 (df_dump): Whitespace changes.
308 * df.h: Some reordering to remove forward references.
309 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
310 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
311 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
312 (dataflow.flags): New field.
313 (df.flag): Deleted field.
314 (df_alloc_function): Added additional bitmap parameter.
315 (df_dependent_problem_function): New type.
316 (df_problem.changeable_flags): New field.
317 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
318 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
319 (df_mw_hardreg): New struct.
320 (DF_INSN_UID_MWS): New macro.
321 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
322 parameter.
323 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
324 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
325 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
326 (df_set_state): Removed function.
327 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
328 * df-problems.c (df_chain_dump): Removed df parameter.
329 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
330 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
331 parameter.
332 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
333 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
334 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
335 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
336 DF_REF_MUST_CLOBBER cases.
337 (df_ru_bb_local_compute_process_def,
338 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
339 df_lr_bb_local_compute, df_ur_bb_local_compute,
340 df_chain_create_bb): Made subreg aware.
341 (df_ru_bb_local_compute, df_rd_bb_local_compute,
342 df_lr_bb_local_compute, df_lr_bb_local_compute,
343 df_chain_create_bb): Cleanup to use proper macros.
344 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
345 code to fixup bitvectors.
346 (df_ri_alloc): Cleared lifetime.
347 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
348 df_create_unused_note): New function.
349 (df_ri_bb_compute, df_ri_compute): Added code to create/update
350 REG_DEAD and REG_UNUSED notes as well as register information.
351 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
352 df_chains_dump): Fixed crash if problem was never run.
353 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
354 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
355 df_ri_add_problem): Processes flags in uniform manner.
356 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
357 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
358 df_rd_dump, df_urec_free_bb_info): Formatting changes.
359 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
360 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
361 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
362 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
363 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
364 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
365 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
366 * see.c (see_initialize_data): Ditto.
367 * final.c (rest_of_clean_state) Added regstack_completed.
368 * rtl.h (regstack_completed): Ditto.
369 * reg-stack.c (regstack_completed): Ditto.
371 2006-05-19 Mike Stump <mrs@apple.com>
373 * c-tree.h (default_conversion): Remove.
374 * c-common.h (default_conversion): Add.
376 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
378 * tree-vrp.c (valid_value_p): New function.
379 (adjust_range_with_scev): Fail if the value of bound is not
380 simple.
382 2006-05-19 Richard Sandiford <richard@codesourcery.com>
384 * config/mips/linux-unwind.h: Include <asm/unistd.h>
385 (mips_fallback_frame_state): Use syscall numbers to determine
386 the appropriate li instruction for the current ABI. Only use
387 __NR_sigreturn for o32.
389 2006-05-19 Nicolas Setton <setton@adacore.com>
391 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
392 * langhooks.c (lhd_dwarf_name): New function.
393 * langhooks-def.h (lhd_dwarf_name): Declare.
394 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
395 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
396 * ada/misc.c (gnat_dwarf_name): New function.
397 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
399 2006-05-19 Richard Sandiford <richard@codesourcery.com>
401 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
402 libgcc2.h.
403 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
404 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
405 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
406 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
407 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
408 determine the size of Wtype, etc.
409 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
410 (swfloatfuncs): New variable.
411 (dwfloatfuncs): Likewise.
412 (lib2funcs): Remove floating-point conversion functions from
413 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
414 the set of conversion routines needed. Allow entries to specify
415 an object name, filename and word size. Update users accordingly.
416 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
417 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
419 Revert:
421 2006-02-08 Roger Sayle <roger@eyesopen.com>
423 PR target/22209
424 * config/fixtfdi.c: New libgcc source file.
425 * config/fixunstfdi.c: New source file.
426 * config/floatditf.c: New source file.
427 * config/floatunditf.c: New souce file.
428 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
429 files above instead of config/mips/_tilib.c.
430 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
432 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
434 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
435 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
437 2006-05-18 Mike Stump <mrs@apple.com>
439 Fix up vla, vm and [*] sematics.
441 PR c/18740
442 PR c/7948
443 PR c/25802
444 PR c/27673
445 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
446 (c_vla_unspec_p): Add.
447 (c_vla_type_p): Add.
448 * c-decl.c (struct c_scope): Add had_vla_unspec.
449 (build_array_declarator): Add support for [*].
450 (grokdeclarator): Likewise.
451 (grokparms): Likewise.
452 (get_parm_info): Likewise.
453 * c-objc-common.c (c_vla_unspec_p): Likewise.
454 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
455 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
456 typeof when argument is a variably modified type not inside sizeof or alignof.
457 (c_parser_direct_declarator_inner): Propagate errors.
458 (c_parser_sizeof_expression): Add support for [*].
459 (c_parser_parms_declarator): Initialize had_vla_unspec.
460 (c_parser_parms_list_declarator): Likewise.
461 * c-typeck.c (c_vla_type_p): Add.
462 (composite_type): Add support for vla compositing.
463 (comptypes_internal): Add support for vla compatibility.
464 (c_expr_sizeof_expr): Evaluate vla arguments.
465 * tree.c (variably_modified_type_p): Update comment for [*].
467 2006-05-18 Michael Matz <matz@suse.de>
469 PR target/27599
470 * config.host: Make assignments to host_xmake_file cumulative.
471 * config.host (*-darwin*): Test $host, not $target.
473 2006-05-12 Stuart Hastings <stuart@apple.com>
475 * config/i386/i386.opt (-mstackrealign): New flag.
476 * config/i386/i386.c (force_align_arg_pointer): New attribute.
477 (ix86_handle_cconv_attribute): Emit error when
478 force_align_arg_pointer attribute collides with too many regparms.
479 (ix86_function_regparm): Limit regparms when used with
480 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
481 Support stack-realigning prologue in non-main functions. Emit
482 warning for nested functions under -mstackrealign, emit error for
483 nested functions with force_align_arg_pointer attribute.
484 * doc/extend.texi (force_align_arg_pointer): Document it.
485 * doc/invoke.texi (-mstackrealign): Document it.
487 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
489 PR rtl-optimization/27477
490 * combine.c (try_combine): Don't split a parallel consisting
491 of two sets into two individual sets if both sets reference
492 cc0.
494 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
496 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
497 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
499 * doc/options.texi (VarExists): Updated.
501 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
503 * unwind-dw2.c: Add declarations for uw_update_context and
504 uw_frame_state_for.
505 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
506 detected, advance frame state and context once to skip over stub.
508 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
510 PR middle-end/20256
511 PR middle-end/26435
512 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
513 Call rewrite_into_loop_closed_ssa only when something changed.
514 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
515 * lambda-code.c (can_convert_to_perfect_nest): Declared.
516 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
517 Test for perfect_nest_p here. Fix formating.
518 (replace_uses_equiv_to_x_with_y): Fix formating.
519 (stmt_uses_op): Removed.
520 (can_convert_to_perfect_nest): Removed loopivs parameter.
521 Complete the test by checking the scalar dependences.
522 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
523 Fix formating.
525 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
527 PR bootstrap/22541
528 From Dan Kegel <dank@kegel.com>:
529 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
531 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
533 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
534 if the element type is variably modified without recursing.
536 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
538 PR middle-end/27332
539 * tree-loop-linear.c (try_interchange_loops): Test for
540 no data dependences.
542 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
544 PR tree-optimization/27548
545 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
546 range of ssa names that appear on abnormal edges.
547 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
548 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
550 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
552 PR middle-end/27620
553 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
555 2006-05-17 Jakub Jelinek <jakub@redhat.com>
557 PR middle-end/27415
558 * tree.h (OMP_PARALLEL_COMBINED): Define.
559 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
560 (new_omp_context): Add is_combined_parallel argument.
561 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
562 new_omp_context caller.
563 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
564 Adjust gimplify_scan_omp_clauses callers.
565 (omp_is_private): Issue errors if iteration variable is firstprivate
566 or reduction in the current context.
567 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
568 on combined parallel workshare constructs.
570 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
572 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
573 (gcc-options.o): New rule.
575 * optc-gen.awk: Protect variables for gcc-options.o with
576 #ifdef GCC_DRIVER/#endif.
578 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
580 Fix PR tree-optimization/27373
581 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
582 (forward_propagate_addr_expr): Update call.
584 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
586 * doc/options.texi: Move the Negative option.
588 2006-05-16 Richard Guenther <rguenther@suse.de>
590 PR tree-optimization/22303
591 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
592 from STRING_CSTs.
593 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
594 ccp_fold did not simplify the statement.
596 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
598 PR driver/26885
599 * Makefile.in (GCC_OBJS): New.
600 (OBJS-common): Add opts-common.o.
601 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
602 (cpp$(exeext)): Likewise.
603 (gcc.o): Also depend on opts.h.
604 (opts-common.o): New.
606 * common.opt (gcoff): Add Negative(gdwarf-2).
607 (gdwarf-2): Add Negative(gstabs).
608 (gstabs): Add Negative(gstabs+).
609 (gstabs+): Add Negative(gvms).
610 (gvms): Add Negative(gxcoff).
611 (gxcoff): Add Negative(gxcoff+).
612 (gxcoff+): Add Negative(gcoff).
613 * config/i386/i386.opt (m32): Add Negative(m64).
614 (m64): Add Negative(m32).
616 * doc/options.texi: Document the Negative option.
618 * gcc.c: Include "opts.h".
619 (main): Call prune_options after expandargv.
621 * optc-gen.awk: Generate common declarations for all flag
622 variables in options.c. Output the neg_index field.
624 * opts.c (find_opt): Moved to ...
625 * opts-common.c: Here. New file.
627 * opts.h (cl_option): Add a neg_index field.
628 (find_opt): New.
629 (prune_options): Likewise.
631 2006-05-16 Jakub Jelinek <jakub@redhat.com>
633 PR middle-end/27573
634 * omp-low.c (expand_omp_parallel): Don't assert
635 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
636 instead search for it.
638 PR c/27499
639 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
640 is signed.
642 2006-05-16 Andreas Schwab <schwab@suse.de>
644 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
645 defmac.
647 2006-05-15 Roger Sayle <roger@eyesopen.com>
649 PR target/26600
650 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
651 integer constants other than zero are only legitimate on TARGET_64BIT.
652 <CONST_VECTOR> Only zero vectors are legitimate.
653 (ix86_cannot_force_const_mem): Integral and vector constants can
654 always be put in the constant pool.
656 2006-05-16 DJ Delorie <dj@redhat.com>
658 * crtstuff.c (__dso_handle): Set section from
659 TARGET_LBIGCC_SDATA_SECTION if defined.
660 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
661 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
663 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
665 PR target/27599
666 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
667 host_xmake_file.
669 2006-05-16 Ben Elliston <bje@au.ibm.com>
671 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
673 2006-05-15 Per Bothner <per@bothner.com>
675 * tree.c: (last_annotated_node): Use sources_locus typedef.
676 This permits bootstrapping with --enable-mapped-location.
678 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
680 PR tree-optimization/26830
681 * tree-into-ssa.c (struct ssa_name_info): Add age field.
682 (info_for_ssa_name, current_info_for_ssa_name_age,
683 blocks_to_update): New variables.
684 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
685 (clear_ssa_name_info, initialize_flags_in_bb,
686 mark_block_for_update): New functions.
687 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
688 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
689 prepare_def_site_for): Use mark_block_for_update.
690 (mark_def_interesting): Assert that the processed block is marked in
691 blocks_to_update. Do not take blocks argument.
692 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
693 argument.
694 (rewrite_update_init_block, rewrite_update_stmt): Only process
695 blocks with statements to rewrite.
696 (delete_update_ssa): Do not clear SSA_NAME_AUX.
697 (update_ssa): Initialize and free blocks_to_update. Do not
698 clear flags on statements. Do not use blocks bitmap.
699 * tree.h (SSA_NAME_AUX): Removed.
700 (struct tree_ssa_name): Removed aux field.
701 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
703 2006-05-15 Richard Guenther <rguenther@suse.de>
705 PR tree-optimization/27603
706 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
707 Do computations in original type.
709 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
711 * see.c: Code style changes such as redundant paranthesis,
712 redundant intialization of local variables etc.
713 (see_main): Declared now as static.
714 * doc/invoke.texi: Update that -fsee is not enabled by
715 default at -O3.
717 2006-05-15 Jakub Jelinek <jakub@redhat.com>
719 * omp-low.c (check_omp_nesting_restrictions): New function.
720 (scan_omp_1): Call it.
722 PR middle-end/27416
723 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
724 construct, return *VAR.
726 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
728 PR rtl-optimization/27406
729 * bt-load.c (migrate_btr_def): Skip the block having abnormal
730 edges.
732 2006-05-14 Roger Sayle <roger@eyesopen.com>
734 PR rtl-optimization/27538
735 * combine.c (expand_compound_operation): Call gen_lowpart
736 before calling simplify_shift_const.
738 2006-05-14 Roger Sayle <roger@eyesopen.com>
740 PR rtl-optimization/22563
741 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
742 a fixed width bitfield, always force the intermediates into psuedos.
744 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
746 PR 27501
747 * mkconfig.sh: Use operator = instead of == for test.
749 2006-05-13 Nick Clifton <nickc@redhat.com>
751 * dwarf2out.c (dbx_reg_number): Check return value from
752 LEAF_REG_REMAP and only use it if it is valid.
753 (multiple_reg_loc_descriptor): Likewise.
755 2006-05-13 Richard Guenther <rguenther@suse.de>
757 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
758 host_xmake_file.
760 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
762 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
763 information attached to non-INSNs such as NOTEs.
764 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
766 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
768 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
769 On contraint.
770 * config/s390/s390.md: Adjust comment describing On constraint.
772 2006-05-11 Jan Hubicka <jh@suse.cz>
774 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
775 to be output at -O0.
777 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
779 PR middle-end/27384
780 * fold-const.c (size_binop): Move sanity check for arguments to
781 the beginning of the function.
783 PR middle-end/27488
784 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
785 expression.
787 2006-05-11 Richard Guenther <rguenther@suse.de>
789 PR middle-end/27529
790 * fold-const.c (fold_unary): Handle intermediate conversion
791 to a pointer type like intermediate conversion to an integer
792 type in folding of (T1)(T2)var to var.
793 Match the code to the comment in the final conversion for
794 (T1)(T2)var to (T1)var regarding to type precision. Rather
795 than disallow T1 being of pointer type, assert that both T1
796 and var are of pointer type or not. Make sure not to fall
797 over the frontends lazyness wrt array to pointer decay though.
799 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
801 * arm.c (arm_struct_value_rtx): Delete.
802 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
803 (arm_init_cumulative_args): Always initialize nregs to zero.
805 2006-05-10 Richard Guenther <rguenther@suse.de>
807 PR tree-optimization/27532
808 * tree-object-size.c (plus_expr_object_size): Fix typo.
810 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
812 PR target/24949
813 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
814 ashrdi_const, ashrdi3): Use a scratch register.
816 2006-05-10 Richard Guenther <rguenther@suse.de>
818 PR tree-optimization/27302
819 * fold-const.c (operand_equal_p): For two comparisons,
820 try comparison of one comparison code swapped if that yields
821 the same code.
823 2006-05-10 Ben Elliston <bje@au.ibm.com>
825 * tree-pretty-print.c (pretty_print_string): No need to handle
826 '\0' as a special character.
828 * tree.h: Include "hashtab.h".
829 (iterative_hash_expr): Use hashval_t in its prototype.
830 * Makefile.in (TREE_H): Add $(HASHTAB_H).
832 2006-05-09 Steve Ellcey <sje@cup.hp.com>
834 PR bootstrap/26872
835 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
836 (hppa*64*-*-hpux11*): Ditto.
837 (hppa[12]*-*-hpux11*): Ditto.
839 2006-05-09 David Edelsohn <edelsohn@gnu.org>
841 PR target/26545
842 * config/rs6000/aix41.h (TARGET_64BIT): Define.
844 2006-05-09 Michael Matz <matz@suse.de>
846 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
847 host_extra_gcc_objs and host_xmake_file.
848 (<*-*-linux*>): Don't overwrite host_xmake_file.
849 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
850 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
851 (host_detect_local_cpu): Declare.
852 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
853 * config/i386/i386.c (override_options): Handle -mtune=native
854 as -mtune=generic.
855 * config/i386/x-i386: New file.
856 * config/i386/driver-i386.c: New file.
857 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
858 cpu-type "native".
860 2006-05-09 Dirk Mueller <dmueller@suse.de>
861 Richard Guenther <rguenther@suse.de>
863 PR middle-end/27498
864 * fold-const.c (fold_read_from_constant_string): Relax check
865 for matching types to matching modes.
867 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
869 PR rtl-optimization/27335
870 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
871 loops.
873 2006-05-08 Chao-ying Fu <fu@mips.com>
874 Richard Sandiford <richard@codesourcery.com>
876 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
877 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
878 * config/mips/mips.md (UNSPEC_SCC): New constant.
879 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
880 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
881 (mips_emit_compare): Use it.
882 (mips_expand_vcondv2sf): New function.
884 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
886 Fix PR tree-optimization/27093
887 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
888 renaming when they become not-used_alone.
890 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
892 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
893 relocation and relocation stubs.
895 2006-05-08 Eric Christopher <echristo@apple.com>
897 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
898 section for ppc.
900 2006-05-08 Jan Hubicka <jh@suse.cz>
902 PR middle-end/25962
903 * cgraphunit.c (decide_is_function_needed): When not optimizing even
904 unused static functions are needed.
906 2006-05-08 Roger Sayle <roger@eyesopen.com>
908 PR target/27158
909 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
910 of a reg_equiv_constant if the result is a legitimate constant.
912 2006-05-08 Uros Bizjak <uros@kss-loka.si>
914 PR target/27277
915 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
916 standard 80387 constants, raise the cost to prevent
917 compress_float_constant() to generate load from memory.
919 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
921 * config/arm/constraints.md (c): Fix a typo.
923 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
924 typos.
926 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
928 PR target/24879
929 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
930 inline function.
931 (_mm_mwait): Likewise.
933 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
934 "mwait".
935 (sse3_monitor): Make it 32bit only.
936 (sse3_monitor64): New. 64bit monitor.
938 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
940 PR target/27421
941 * config/i386/i386.c (classify_argument): Skip fields with invalid
942 types.
944 2006-05-07 Richard Guenther <rguenther@suse.de>
946 PR tree-optimization/27409
947 * tree-ssa-structalias.c (get_constraint_for_component_ref):
948 Do not try to find zero-sized subvars.
950 2006-05-07 Richard Guenther <rguenther@suse.de>
952 PR tree-optimization/27136
953 * tree-ssa-loop-niter.c (get_val_for): Correct function
954 comment, assert requirements.
955 (loop_niter_by_eval): Stop processing if the iterated
956 value did not simplify.
958 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
960 * opts.c (flag_see): remove its setting at -O3.
962 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
964 * genpeep.c (main): Make insn-peep.c depend on flags.h.
965 * arm/constraints.md: New file.
966 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
967 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
968 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
969 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
970 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
971 (EXTRA_MEMORY_CONSTRAINT): Likewise.
972 * arm.md: Include constraints.md.
973 (thumb_movsi_insn): Use satisfies_constraint_J.
974 (movhi, movqi): Use satisfies_constraint_I.
976 2006-04-29 Anatoly Sokolov <aesok@post.ru>
978 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
979 for atmeg a645 device.
981 2006-05-06 Richard Guenther <rguenther@suse.de>
983 PR tree-optimization/27151
984 * tree-vect-transform.c (vectorizable_condition): Punt on
985 values that have a different type than the condition.
987 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
989 PR/21391
990 * c-parser.c (c_parser_cast_expression): Only insert casts into
991 hash table if pointer.
992 * function.c (used_types_insert_helper): Rename from
993 used_types_insert.
994 (used_types_insert): Call used_types_insert_helper.
995 * function.h (used_types_insert): Accept only one argument.
997 2006-05-05 David Edelsohn <edesohn@gnu.org>
999 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1000 scratch with output modifier.
1002 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1004 PR target/26481
1005 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1006 with output modifier.
1008 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1010 PR target/26765
1011 * config/mips/mips.c (mips_symbolic_address_p): Return true
1012 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1013 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1015 2006-05-04 Richard Guenther <rguenther@suse.de>
1017 PR tree-optimization/14287
1018 PR tree-optimization/14844
1019 PR tree-optimization/19792
1020 PR tree-optimization/21608
1021 PR tree-optimization/27090
1022 * tree-ssa-pre.c (try_combine_conversion): New function.
1023 (compute_avail): After constructing the value-handle
1024 expression, use try_combine_conversion to combine NOP_EXPRs
1025 with previous value-handle expressions and use the result if it
1026 is available.
1028 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1030 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1032 2006-05-04 Jan Hubicka <jh@suse.cz>
1034 PR middle-end/25962
1035 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1037 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1039 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1040 that this only matches CONST_INTs. All users changed to VOIDmode
1041 operands.
1043 * config/bfin/bfin.c: Include "optabs.h".
1044 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1045 to do more work.
1046 (enum bfin_builtins): Add a number of fractional and vector builtins.
1047 (bfin_init_builtins): Likewise.
1048 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1049 (safe_vector_operand, bfin_expand_binop_builtin,
1050 bfin_expand_unop_builtin): New functions.
1051 (bfin_expand_builtin): Handle the new builtins.
1052 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1053 __ADSPBLACKFIN__.
1055 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1057 * see.c: New file.
1058 * Makefile.in (OBJS-common): Add see.o.
1059 (see.o): Add dependencies.
1060 * common.opt (fsee): New flag for the see optimization was added.
1061 * opts.c (flag_see): Initialized.
1062 * passes.c (init_optimization_passes, pass_see): New pass.
1063 * rtl.h (see_main): Declaration as extern.
1064 * timevar.def (TV_SEE): New.
1065 * tree-pass.h (pass_see): Declaration as extern.
1066 * invoke.texi (-fsee): Document.
1067 * recog.c (validate_simplify_insn): New function.
1068 * recog.h (validate_simplify_insn): Declaration as extern.
1069 * df-problems.c (df_chain_dump): Check for NULL.
1071 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1072 Daniel Berlin <dberlin@dberlin.org>
1074 * cfgrtl.c (insert_insn_bb_end_new): New function.
1075 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1077 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1079 * df.h (struct web_entry): Moved from web.c.
1080 (union_defs): Declaration as extern.
1081 (unionfind_root): Likewise.
1082 (unionfind_union): Likewise.
1083 * web.c (struct web_entry): Moved to df.h.
1084 (unionfind_root): Remove static declaration.
1085 (unionfind_union): Likewise.
1086 (union_defs): Likewise and generalize to use callback function.
1087 (web_main): Update arguments for union_defs function call.
1089 2006-05-04 Richard Guenther <rguenther@suse.de>
1091 PR tree-optimization/26447
1092 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1093 produce SSA_NAME copies before the store stmt to avoid
1094 breaking exception handling.
1096 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1098 PR middle-end/27388
1099 * gimplify.c (omp_is_private): If var is shared in some outer context,
1100 return false instead of true. Stop searching on parallel context
1101 boundary.
1103 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1105 PR java/8260
1106 * coverage.c: Use get_gcov_unsigned_t() instead of
1107 unsigned_type_node all over.
1109 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1111 PR tree-optimization/27381
1112 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1113 maintain the same immediate_use links.
1114 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1115 node rather than segfaulting.
1117 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1119 PR fortran/27395
1120 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1121 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1122 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1124 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1126 Fix PR tree-optimization/26626
1127 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1128 always.
1129 * tree-ssa-operands.c (access_can_touch_variable): Allow
1130 typecasting through union pointers.
1132 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1134 PR c++/26943
1135 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1136 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1137 to find if var will be a global variable even in the nested context.
1138 (omp_copy_decl): Only check for global variable at the end, it might
1139 be overridden in outer contexts.
1140 (scan_sharing_clauses): For global variables don't create a field.
1141 (lower_rec_input_clauses): Do nothing for global shared variables.
1142 Emit a barrier at the end of ILIST if there were any decls in both
1143 firstprivate and lastprivate clauses.
1144 (lower_send_clauses): Do nothing for global variables except for
1145 COPYIN.
1147 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1149 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1150 of the correct signedness is returned.
1152 2006-05-02 Jeff Law <law@redhat.com>
1154 PR tree-optimization/27364
1155 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1156 multiply expressions.
1158 2006-05-02 Tom Tromey <tromey@redhat.com>
1160 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1162 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1164 PR target/27387
1165 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1166 -mthumb -fPIC are used.
1168 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1169 Joshua Kinard <kumba@gentoo.org>
1171 PR target/25871
1172 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1173 with 64-bit pointers.
1175 2006-05-02 Paul Brook <paul@codesourcery.com>
1177 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1178 and pool overlap.
1179 (create_fix_barrier): Check that a suitable barrier location is
1180 found.
1181 (arm_reorg): Include ftmp->address in allowable range of addresses.
1183 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1185 PR ada/27366
1186 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1187 on Cygwin.
1189 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1191 PR middle-end/27337
1192 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1193 around RESULT_DECL for result passed by reference.
1194 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1195 * omp-low.c (use_pointer_for_field): Don't look at
1196 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1197 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1198 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1199 time or var for passing by reference for
1200 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1201 TREE_ADDRESSABLE variables when passing by reference.
1203 * omp-low.c (dump_omp_region): Fix output formatting.
1205 PR middle-end/27328
1206 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1207 (expand_omp_parallel): Likewise.
1208 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1210 PR middle-end/27325
1211 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1212 on statement list containing also constructors and destructors.
1213 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1215 PR middle-end/27310
1216 * except.c (duplicate_eh_regions): Fix clearing of
1217 cfun->eh->region_array entries.
1219 2006-05-01 DJ Delorie <dj@redhat.com>
1221 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1222 build!=host.
1223 (gcc_cv_objdump): Likewise.
1224 * configure: Regenerated.
1226 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1228 PR target/27374
1229 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1230 templates for case 3 and 4.
1232 2006-05-01 DJ Delorie <dj@redhat.com>
1234 * vec.c: Include bconfig.h when appropriate.
1235 * Makefile.in (build/vec.o): Adjust dependencies.
1236 * mkconfig.sh: Make sure config.h isn't used for build machine
1237 compiles.
1239 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1241 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1242 variables.
1243 (mark_phi_for_rewrite): New function.
1244 (insert_phi_nodes_for, mark_use_interesting): Call
1245 mark_phi_for_rewrite.
1246 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1247 (update_ssa): Initialize and free phis_to_rewrite.
1249 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1251 PR rtl-optimization/27291
1252 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1253 folded to a constant.
1255 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1257 PR tree-optimization/27283
1258 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1259 not whole # of iteration descriptions.
1260 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1261 uses abnormal ssa name.
1262 (niter_for_single_dom_exit): Ditto.
1263 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1264 return just the number of iterations.
1266 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1268 PR tree-optimization/27144
1269 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1270 (record_estimate): Only record constant upper bound.
1271 (infer_loop_bounds_from_undefined): Call
1272 compute_estimated_nb_iterations just once.
1273 (proved_non_wrapping_p): Renamed to ...
1274 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1275 (convert_step_widening, scev_probably_wraps_p): Call
1276 n_of_executions_at_most instead of proved_non_wrapping_p.
1277 (substitute_in_loop_info): Do not replace values in bounds.
1278 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1279 comments.
1281 2006-05-01 Richard Henderson <rth@redhat.com>
1283 PR c/27358
1284 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1285 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1286 CPP_PRAGMA.
1288 2006-05-01 Roger Sayle <roger@eyesopen.com>
1290 * c-typeck.c (parser_build_binary_op): Don't call the function
1291 unsigned_conversion_warning to spot operand/result type overflow.
1292 (build_binary_op): Instead, call convert_and_check instead of
1293 convert to report the problem when the operands are promoted.
1294 * c-common.c (unsigned_conversion_warning): Make static.
1295 * c-common.h (unsigned_conversion_warning): Delete prototype.
1297 2006-05-01 Richard Guenther <rguenther@suse.de>
1299 PR tree-optimization/26726
1300 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1301 problem ...
1302 (find_interesting_uses_address): ... we work around here
1303 by folding INDIRECT_REFs in the substituted base.
1305 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1307 * omp-low.c (dump_omp_region): Add newlines.
1309 2006-04-30 Roger Sayle <roger@eyesopen.com>
1311 * common.opt (Woverflow): New command line option.
1312 * c-common.c (constant_expression_warning): Check warn_overflow.
1313 (overflow_waring): Pass OPT_Woverflow to warning.
1314 (unsigned_conversion_warning): Likewise.
1315 (convert_and_check): Likewise.
1316 * doc/invoke.texi: Document new command line option.
1318 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1320 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1321 TARGET_NO_FP_IN_TOC for section anchors.
1322 (optimization_options): Enable section anchors for all
1323 non-"Objective" languages.
1325 2006-04-28 Eric Christopher <echristo@apple.com>
1327 * config/darwin-c.c (darwin_ms_struct): Move this
1328 (darwin_set_default_type_attributes): and this...
1329 * config/darwin.c: ... here.
1330 * config/darwin.h (darwin_ms_struct): Declare.
1332 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1334 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1336 2006-04-28 Roger Sayle <roger@eyesopen.com>
1338 PR c/25309
1339 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1340 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1341 an unsigned HOST_WIDE_INT.
1342 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1343 array index.
1344 (really_start_incremental_init): No need to call convert because
1345 bitsize_zero_node is already of type bitsizetype.
1346 (push_init_level): Extract the value of constructor_index as an
1347 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1348 (process_init_element): Likewise.
1350 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1352 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1353 value before passing to make_relative_prefix.
1355 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1357 PR middle-end/27260
1358 * builtins.c (expand_builtin_memset): Expand val in original mode.
1360 2006-04-27 Eric Christopher <echristo@apple.com>
1362 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1363 with #ifndef/#endif.
1364 * config/darwin-c.c (darwin_ms_struct): New.
1365 (darwin_pragma_ms_struct): Ditto.
1366 (darwin_set_default_type_attributes): Ditto.
1367 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1368 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1369 Register ms_struct pragma.
1370 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1371 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1372 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1373 darwin_set_default_type_attributes if TARGET_MACHO.
1375 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1377 PR tree-optimization/26854
1378 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1379 * doc/tree-ssa.texi: Update immuse iterator documentation.
1380 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1381 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1382 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1383 first_safe_imm_use, next_safe_imm_use): Remove.
1384 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1385 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1386 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1387 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1388 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1389 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1390 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1391 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1392 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1393 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1394 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1395 (perfect_nestify): Use new iterator.
1396 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1397 iterator.
1398 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1399 (next_imm_name): New field in struct immediate_use_iterator_d.
1400 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1401 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1402 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1403 * tree-cfg.c (replace_uses_by): Use new iterator.
1404 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1405 * tree-ssa-operands.c (correct_use_link): Remove.
1406 (finalize_ssa_use_ops): No longer call correct_use_link.
1408 2006-04-27 Stuart Hastings <stuart@apple.com>
1410 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1411 * config/t-darwin (crt3.o): Use it.
1412 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1413 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1414 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1415 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1416 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1417 support.
1419 2006-04-27 Roger Sayle <roger@eyesopen.com>
1421 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1422 size, force the intermediate into a new pseudo rather instead of
1423 performing both a bitwise AND and a bitwise IOR in memory.
1425 2006-04-27 Richard Guenther <rguenther@suse.de>
1427 PR rtl-optimization/26685
1428 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1429 this one "max-flow-memory-locations".
1431 2006-04-27 Richard Guenther <rguenther@suse.de>
1433 PR tree-optimization/25148
1434 * tree-vrp.c (compare_values): Remove code dealing with
1435 comparisons against type min/max value. Honour overflow
1436 and negative constants in code dealing with comparisons
1437 of plus and minus expressions.
1438 (value_inside_range): Use fold_binary with LE_EXPR and
1439 GE_EXPR rather than compare_values.
1441 2006-04-27 Dirk Mueller <dmueller@suse.de>
1443 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1444 prototype for SSE.
1446 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1448 * basic-block.h (safe_insert_insn_on_edge): Removed.
1449 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1451 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1452 Paolo Bonzini <bonzini@gnu.org>
1454 PR middle-end/27282
1455 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1456 (simplify_and_const_int): Same.
1458 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1460 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1462 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1464 PR c/26171
1465 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1466 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1467 cgraph_global_info_ready.
1469 PR middle-end/26913
1470 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1472 PR c/25996
1473 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1474 either decl or init is error_mark_node.
1476 PR middle-end/25989
1477 * tree-flow.h (struct omp_region): Add sched_kind.
1478 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1479 instead of extracting omp for data.
1480 (expand_omp_for): Save extracted sched_kind.
1482 2006-04-25 Roger Sayle <roger@eyesopen.com>
1484 * expmed.c (store_bit_field): Also check whether the bitsize is
1485 valid for the machine's "insv" instruction before moving the
1486 target into a pseudo for use with the insv.
1487 * config/i386/predicates.md (const8_operand): New predicate.
1488 * config/i386/i386.md (extv, extzv, insv): Use the new
1489 const8_operand predicate where appropriate.
1491 2006-04-25 DJ Delorie <dj@redhat.com>
1493 * doc/install.texi (Specific): Clarify that this is not a list of
1494 supported hosts or targets.
1496 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1498 PR rtl-optimization/26725
1499 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1500 block's BB_DIRTY flag.
1502 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1504 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1505 are no branches.
1507 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1508 to print an integer.
1510 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1512 * varasm.c (align_variable): New function.
1513 (get_block_for_decl): Apply align_variable to DECL before
1514 calculating section information.
1515 (assemble_variable): Split out alignment computation.
1517 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1519 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1520 machines.
1522 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1524 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1525 MODE_PARTIAL_INT mode.
1526 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1527 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1528 for CONST_INTs.
1529 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1530 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1531 V2PDImode.
1532 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1533 New predicates.
1534 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1535 New constants.
1536 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1537 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1538 MACFLAG_IH): Likewise.
1539 (movstricthi_1): Renamed from "*movstricthi".
1540 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1541 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1542 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1543 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1544 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1545 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1546 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1547 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1548 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1549 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1550 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1551 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1552 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1553 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1554 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1556 * doc/rtl.texi (ss_ashift): Improve wording.
1558 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1560 * dwarf2out.c (verify_marks_clear): New.
1561 (prune_unused_types): Call verify_marks_clear initially, not
1562 prune_unmark_dies.
1564 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1566 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1567 * doc/rtl.texi: Document them.
1568 * simplify-rtx.c (simplify_unary_operation,
1569 simplify_binary_operation_1): Don't abort when we see them.
1571 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1573 Revert:
1574 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1575 * configure.ac: Completely disregard languages that are not
1576 enabled.
1577 * configure: Regenerated.
1579 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1580 Richard Guenther <rguenther@suse.de>
1582 PR tree-optimization/27236
1583 * tree-inline.c (copy_body_r): Make sure to copy
1584 TREE_THIS_VOLATILE flag.
1586 2006-04-24 Richard Guenther <rguenther@suse.de>
1588 PR middle-end/26869
1589 * tree-complex.c (update_parameter_components): Don't handle
1590 unused parameters which have no default def.
1592 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1593 Richard Guenther <rguenther@suse.de>
1595 PR tree-optimization/27218
1596 * tree-inline.c (expand_call_inline): Strip useless type
1597 conversions for the return slot address.
1599 2006-04-24 Richard Guenther <rguenther@suse.de>
1601 * cfgloop.h (struct loops): Remove unused field array. Reorder
1602 state after num.
1603 (LOOP_PREFETCH): Remove.
1605 2006-04-24 Richard Guenther <rguenther@suse.de>
1607 PR tree-optimization/22525
1608 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1609 variable, adjust types of generated expressions.
1611 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1613 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1614 (tree-vect-patterns.o): Likewise.
1615 (jump.o): Likewise.
1616 (cselib.o): Likewise.
1617 (loop-doloop.o): Likewise.
1618 (regclass.o): Likewise.
1619 (reload1.o): Likewise.
1620 (explow.o): Replace target.h with $(TARGET_H).
1621 (ipa-prop.o): Likewise.
1622 (ipa-cp.o): Likewise.
1623 (ipa-inline.o): Likewise.
1624 (reorg.o): Likewise.
1625 (reg-stack.o): Likewise.
1627 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1629 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1631 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1633 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1635 * configure.ac: Completely disregard languages that are not
1636 enabled.
1637 * configure: Regenerated.
1639 PR c++/26534
1640 * c-common.h (c_build_bitfield_integer_type): Declare.
1641 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1642 * c-common.c (c_build_bitfield_integer_type): ... here.
1644 2006-04-23 Roger Sayle <roger@eyesopen.com>
1646 PR target/21283
1647 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1648 a SImode SUBREG of a floating point register after no_new_pseudos.
1650 2006-04-23 Roger Sayle <roger@eyesopen.com>
1652 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1653 identify potentially eliminable registers to additionally catch
1654 VIRTUAL_INCOMING_ARGS_REGNUM.
1655 (addsi3): Update the conditions on when to use addsi_small_int.
1657 2006-04-23 Roger Sayle <roger@eyesopen.com>
1659 PR target/16641
1660 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1661 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1662 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1664 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1666 * fold-const.c (range_predecessor): Use operand_equal_p
1667 as the predicate for equality.
1668 (range_successor): Likewise.
1670 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1672 Revert:
1673 * config/soft-fp/op-common.h: Fix a typo.
1675 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1677 PR libmudflap/26864
1678 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1679 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1681 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1683 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1684 Fix comment typos.
1685 * doc/tm.texi: Fix a typo.
1687 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1689 * dwarf2out.c (struct die_struct): Document that die_sib makes
1690 a circular linked list.
1691 (FOR_EACH_CHILD): New.
1692 (reverse_die_lists): Delete.
1693 (reverse_all_dies): Delete.
1694 (add_dwarf_attr): Correct documentation.
1695 (remove_child_with_prev): New.
1696 (remove_child_TAG): Update for change to die_struct, use
1697 remove_child_with_prev.
1698 (add_child_die): Update for change to die_struct.
1699 (splice_child_die): Use remove_child_with_prev and add_child_die.
1700 (print_die): Use FOR_EACH_CHILD.
1701 (die_checksum): Likewise.
1702 (assign_symbol_names): Likewise.
1703 (output_location_lists): Likewise.
1704 (build_abbrev_table): Likewise.
1705 (calc_die_sizes): Likewise.
1706 (mark_dies): Likewise.
1707 (unmark_dies): Likewise.
1708 (unmark_all_dies): Likewise.
1709 (output_die): Likewise.
1710 (prune_unused_types_mark): Likewise.
1711 (prune_unused_types_walk): Likewise.
1712 (same_die_p): Update for change to die_struct.
1713 (break_out_includes): Likewise.
1714 (prune_unused_types_prune): Likewise.
1715 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1716 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1717 it's already clear.
1718 (dwarf2out_finish): Don't call reverse_all_dies.
1720 2006-04-21 Eric Christopher <echristo@apple.com>
1722 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1723 in comments and function names.
1725 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1727 PR c/25875
1728 * c-typeck.c (digest_init): Robustify.
1730 * c-typeck.c (pop_init_level): Simplify.
1732 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1734 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1736 2006-04-21 Paul Brook <paul@codesourcery.com>
1738 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1739 hardware floating point.
1741 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1743 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1744 NON_FLOAT_REGS.
1746 2006-04-21 Nick Clifton <nickc@redhat.com>
1748 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1749 OPT_EXTRA_PARTS.
1751 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1753 PR target/27230
1754 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1755 C++ lang type in traceback table for Objective-C++.
1757 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1759 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1761 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1763 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1765 PR mudflap/26789
1766 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1767 were errors. Remove check for erroneous objects.
1769 2006-04-20 Jeff Law <law@redhat.com>
1771 PR tree-optimization/26854
1772 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1773 checking for zero or one use.
1774 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1775 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1776 * tree-ssa-reassoc.c (negate_value): Similarly.
1777 (reassociate_bb): Similarly.
1779 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1781 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1782 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1783 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1785 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1787 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1788 fp regs if the last fp arg doesn't fit in regs.
1790 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1792 PR target/27182
1793 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1794 that the last insn has the REG_INC note.
1796 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1797 Nathan Sidwell <nathan@codesourcery.com>
1799 PR c/26774
1800 * stor-layout.c (update_alignment_for_field): Do not align
1801 ERROR_MARK nodes.
1802 (place_union_field): Place union field at the start of the union.
1803 (place_field): Move ERROR_MARK check later, and use the current
1804 allocation position to maintain monotonicity.
1806 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1808 * dominance.c: Include timevar.h.
1809 (calculate_dominance_info): Use TV_DOMINANCE.
1810 * timevar.def (TV_DOMINANCE): New timevar.
1811 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1813 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1815 PR rtl-optimization/14261
1816 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1817 move would be an INSV insn.
1818 (noce_process_if_block): Don't optimize if the destination is a
1819 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1821 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1823 * config/s390/s390.md: Add comments with the instructions emitted
1824 by an insn pattern if macros are used.
1826 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1828 PR rtl-optimization/26026
1829 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1830 is a known power of two shifted left a variable amount.
1832 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1834 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1835 to hash table twice when the debug_str section has SECTION_MERGE.
1837 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1839 * config/soft-fp: New directory. From glibc.
1840 * config/soft-fp/t-softfp: New.
1841 * config/soft-fp/README: New.
1842 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1843 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1844 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1845 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1846 * config.gcc: Use rs6000/t-fprules-fpbit or
1847 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1848 rs6000/t-fprules.
1849 * config/rs6000/sfp-machine.h: New. Based on glibc.
1850 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1851 New.
1852 * config/rs6000/t-fprules: Remove fp-bit rules.
1853 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1854 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1855 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1856 (softfp_wrap_start, softfp_wrap_end): New.
1858 2006-04-18 DJ Delorie <dj@redhat.com>
1860 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1862 2006-04-18 Devang Patel <dpatel@apple.com>
1864 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1866 2006-04-18 Nick Clifton <nickc@redhat.com>
1868 * config/sh/t-symbian: Add rule to build sh-c.o
1869 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1870 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1871 (sh_symbian_encode_section_info): Likewise.
1873 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1875 * builtins.c (expand_builtin_strcmp): Cover label definition of
1876 do_libcall with HAVE_cmpstrnsi.
1878 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1880 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1881 instead of VARRAY.
1882 * function.h (temp_slot_p): New.
1883 (function): Change the type of x_used_temp_slots to
1884 VEC(temp_slot_p,gc) *.
1886 2006-04-18 Nick Clifton <nickc@redhat.com>
1888 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1889 flag_strength_reduce.
1891 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1893 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1895 PR target/27117
1897 Partial revert of revision 112637
1898 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1899 Dale Johannesen <dalej@apple.com>
1901 PR target/19653
1902 * regclass.c (struct reg_pref): Update documentation.
1903 (regclass): Set prefclass to NO_REGS if memory is the best option.
1904 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1906 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1908 PR tree-optimization/26821
1909 * tree-ssa-math-opts.c (get_constant_one): New.
1910 (insert_reciprocals): Use it.
1912 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1914 * dwarf2out.c (free_AT): Delete.
1915 (remove_AT): Update string ref counts.
1916 (remove_child_TAG): Don't call free_die.
1917 (free_die): Delete.
1918 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1919 or DW_TAG_GNU_EINCL.
1920 (prune_unused_types_walk_attribs): Reset string refcounts.
1921 (prune_unused_types_update_strings): New.
1922 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1923 call free_die. Do call prune_unused_types_update_strings.
1924 (prune_unused_types): Empty debug_str_hash.
1926 2006-04-17 Roger Sayle <roger@eyesopen.com>
1928 * expr.c (expand_assignment): Optimize away no-op moves where the
1929 source and destination are equal and have no side-effects.
1931 2006-04-17 Richard Guenther <rguenther@suse.de>
1933 PR target/26826
1934 * reload.c (push_reload): Guard calls to get_secondary_mem
1935 for memory subregs.
1937 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1939 * alias.c (reg_base_value, old_reg_base_value): Change the
1940 type to VEC(rtx,gc) *.
1941 (REG_BASE_VALUE, find_base_value, record_set,
1942 init_alias_analysis): Use VEC instead of VARRAY.
1944 * alias.c (alias_sets): Change the type to
1945 VEC(alias_set_entry,gc) *.
1946 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1947 VEC instead of VARRAY.
1948 (last_alias_set): Remove.
1950 * cgraph.h (cgraph_edge_p): New.
1951 Update the prototype of cgraph_function_versioning.
1952 * cgraphunit.c (cgraph_copy_node_for_versioning,
1953 cgraph_function_versioning): Use VEC instead of VARRAY.
1954 * ipa-cp.c (ipcp_insert_stage): Likewise.
1956 2006-04-16 Roger Sayle <roger@eyesopen.com>
1958 PR target/26961
1959 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1960 "A op B" or "A op C", we may need to convert A to the type of B and C.
1962 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1964 * target.h (struct gcc_target): Add mode_rep_extended.
1965 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1966 (init_num_sign_bit_copies_in_rep): Initialize it using
1967 mode_rep_extended.
1968 (truncate_to_mode): Use it.
1969 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1970 * targhooks.h (default_mode_rep_extended): Declare it.
1971 * targhooks.c (default_mode_rep_extended): Define it.
1972 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1973 default_mode_rep_extended.
1974 (TARGET_INITIALIZER): Include it.
1975 * doc/tm.texi (Misc): Document it.
1976 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1977 (mips_truncated_to_mode): New function.
1979 2006-04-16 Roger Sayle <roger@eyesopen.com>
1981 PR middle-end/25474
1982 * expr.c (compress_float_constant): Copy the narrow constant into
1983 a new pseudo before extending it to its final width.
1985 2006-04-16 Roger Sayle <roger@eyesopen.com>
1986 Andrew Pinski <pinskia@gcc.gnu.org>
1987 Dale Johannesen <dalej@apple.com>
1989 PR target/24076
1990 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1991 special case code to implement V8HImode and V16QImode with SSE2.
1993 2006-04-15 Roger Sayle <roger@eyesopen.com>
1995 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1996 trees are constructed with a suitable tree type.
1998 2006-04-15 Roger Sayle <roger@eyesopen.com>
2000 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2001 (integer_onep): Likewise.
2002 (integer_all_onesp): Likewise.
2003 (integer_pow2p): Likewise.
2004 (integer_nonzerop): Likewise.
2005 (real_zerop): Likewise.
2006 (real_onep): Likewise.
2007 (real_twop): Likewise.
2008 (real_minus_onep): Likewise.
2009 (int_size_in_bytes): Likewise.
2010 (host_integerp): Likewise.
2012 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2014 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2015 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2016 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2018 * tree-ssa-structalias.h (alias_info): Remove num_references.
2020 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2022 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2023 (output_bvb patterns): Likewise.
2024 * pa.c (output_bb): Use 'bb' insn for long branch case.
2025 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2026 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2027 1. Correct length operand for alternatives 1 and 2.
2028 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2029 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2031 2006-04-14 Roger Sayle <roger@eyesopen.com>
2033 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2034 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2035 were accidentally reverted by r112959.
2037 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2039 PR middle-end/26823
2040 * except.h (eh_region_outermost): New prototype.
2041 * except.c (eh_region_outermost): New function.
2042 * tree-cfg.c (find_outermost_region_in_block): Use it.
2044 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2046 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2047 of VARRAY.
2048 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2049 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2050 (init_reload, reload): Use VEC instead of VARRAY.
2051 * reload.h: Update the prototype for
2052 reg_equiv_memory_loc_varray.
2054 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2055 Eric Botcazou <ebotcazou@libertysurf.fr>
2057 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2058 register save area.
2060 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2062 PR middle-end/27134
2063 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2064 to expand fallback builtin function call.
2066 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2068 PR middle-end/27095
2069 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2070 and emit libcall here in case the builtin fails.
2071 (expand_builtin_strcmp): Always emit the libcall here on failure.
2073 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2075 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2076 * flow.c (reg_n_info): Change the type to
2077 VEC(reg_info_p,heap) *.
2078 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2079 instead of VARRAY.
2080 * regs.h (reg_info_p): New.
2081 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2082 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2083 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2084 instead of VARRAY.
2086 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2088 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2089 defaulting to 100.
2090 * params.h (MAX_SCHED_READY_INSNS): New macro.
2091 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2092 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2093 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2094 the ready list for 1 cycle during the first scheduling pass.
2095 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2097 2006-04-13 Richard Henderson <rth@redhat.com>
2099 PR libgomp/26651
2100 * gimple-low.c (lower_omp_directive): Remove dead code.
2101 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2102 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2103 * omp-low.c (struct omp_region): Move to tree-flow.h.
2104 (root_omp_region): Export.
2105 (omp_regions, lookup_omp_region): Remove.
2106 (determine_parallel_type): Update for struct omp_region changes.
2107 (dump_omp_region): Dump regions with block numbers.
2108 (new_omp_region): Take type and block instead of stmt; malloc
2109 instead of ggc.
2110 (free_omp_region_1, free_omp_regions): New.
2111 (expand_parallel_call): Take entry_stmt as argument; update for
2112 changes to omp_region.
2113 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2114 (remove_exit_barriers): New.
2115 (expand_omp_parallel): Update for struct omp_region changes.
2116 (expand_omp_synch): Likewise.
2117 (expand_omp): Likewise.
2118 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2119 (expand_omp_for_static_chunk): Likewise.
2120 (expand_omp_for): Likewise.
2121 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2122 (expand_omp_sections): Similarly, with GOMP_sections_end.
2123 (expand_omp_single): New.
2124 (build_omp_regions_1): Update for OMP_CONTINUE.
2125 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2126 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2127 OMP_SECTIONS_SECTIONS.
2128 (lower_omp_single_simple): Don't emit barrier here.
2129 (lower_omp_single_copy): Likewise.
2130 (lower_omp_single): Fix bindings, and lower to straightline now.
2131 (lower_omp_master, lower_omp_ordered): Likewise.
2132 (lower_omp_critical): Likewise.
2133 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2134 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2135 omp edges, free it afterward.
2136 (make_omp_sections_edges): Remove.
2137 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2138 (move_stmt_r): Handle OMP_CONTINUE.
2139 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2140 statement pointers to basic blocks. Add type member.
2141 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2142 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2143 * tree-inline.c (estimate_num_insns_1): Likewise.
2144 * tree-pretty-print.c (dump_generic_node): Likewise.
2145 * tree-ssa-operands.c (get_expr_operands): Likewise.
2146 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2147 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2148 (OMP_CONTINUE): New.
2149 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2150 (OMP_SECTIONS_SECTIONS): Remove.
2151 (OMP_SECTION_LAST): New.
2152 (OMP_RETURN_NOWAIT): New.
2154 2006-04-13 Roger Sayle <roger@eyesopen.com>
2156 * fold-const.c (native_encode_vector, native_interpret_real):
2157 Correct obvious mistakes in the previous check-in.
2159 2006-04-13 Roger Sayle <roger@eyesopen.com>
2161 * fold-const.c (native_encode_expr): New function to encode
2162 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2163 or VECTOR_CST into a specified buffer.
2164 (native_encode_int): New function.
2165 (native_encode_real): New function.
2166 (native_encode_complex): New function.
2167 (native_encode_vector): New function.
2168 (native_interpret_expr): Inverse of native_encode_expr to convert
2169 a target representation into an INTEGER_CST, REAL_CST etc...
2170 (native_interpret_int): New function.
2171 (native_interpret_real): New function.
2172 (native_interpret_complex): New function.
2173 (native_interpret_vector): New function.
2174 (fold_view_convert_expr): New function to constant fold/evaluate
2175 a VIEW_CONVERT_EXPR of a suitable constant expression.
2176 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2177 Change call of build1 to fold_build1 when constructing a
2178 VIEW_CONVERT_EXPR.
2180 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2181 Ulrich Weigand <uweigand@de.ibm.com>
2183 PR target/27006
2184 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2185 to be even.
2187 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2189 PR target/26459
2190 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2191 optimize to lo_sum for DFmode if !TARGET_FPRS.
2193 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2195 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2196 delete_alias_info, compute_flow_sensitive_aliasing,
2197 group_aliases): Use VEC instead of VARRAY.
2198 * tree-ssa-structalias.c (update_alias_info): Likewise.
2199 * tree-ssa-structalias.h (alias_info): Change the type of
2200 processed_ptrs to VEC(tree,heap) *.
2202 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2204 PR target/27060
2205 * config/sh/lib1funcs.h: New file, broken out of:
2206 * config/sh/lib1funcs.asm.
2207 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2208 New macros.
2209 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2210 * config/sh/lib1funcs-Os-4-200.asm: New file.
2211 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2212 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2213 (EXTRA_MULTILIB_PARTS): Include it.
2214 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2215 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2216 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2217 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2218 TARGET_SH2.
2220 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2222 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2223 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2224 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2225 VARRAY.
2226 * tree-ssa-live.h: Include vecprim.h.
2227 (tree_partition_associator_d): Change the type of
2228 first_partition to VEC(int,heap) *.
2229 (tpa_first_partition): Use VEC instead of VARRAY.
2231 * Makefile.in (GTFILES): Move functions.h after tree.h.
2232 * function.c (reset_block_changes, record_block_change,
2233 check_block_change, free_block_changes): Use VEC instead of
2234 VARRAY.
2235 * function.h (function): Change the type of
2236 ib_boundaries_block to VEC(tree,gc) *.
2237 * tree-inline.c (copy_cfg_body): Initialize
2238 ib_boundaries_block to NULL instead of (varray_type) 0.
2240 2006-04-12 Roger Sayle <roger@eyesopen.com>
2242 * expr.c (emit_group_store): Correct operand order in call to
2243 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2244 a SUBREG_BYTE of zero.
2246 2006-04-12 Richard Guenther <rguenther@suse.de>
2248 * profile.c (compute_branch_probabilities): Remove code
2249 encapsulated in !ir_type (), which are remanents of the
2250 removed RTL profiling code.
2251 * rtl-profile.c: Remove.
2253 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2255 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2256 magic NULL_RTX comment.
2257 (function_arg): Store entire fp arg to mem if any part should go
2258 on stack.
2259 (rs6000_arg_partial_bytes): Adjust for above change.
2261 2006-04-11 Roger Sayle <roger@eyesopen.com>
2263 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2264 if it hasn't been initialized by dwarf2out_init.
2266 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2268 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2269 symbolic constants in branch patterns.
2271 2006-04-11 Roger Sayle <roger@eyesopen.com>
2273 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2275 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2277 PR rtl-optimization/27073
2278 * gcse.c (try_replace_reg): Revert last change. Continue to search
2279 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2280 on the former.
2282 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2284 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2285 aggregate types other than record and union types.
2286 (function_arg): Likewise.
2287 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2288 small arrays.
2289 (function_value): In 64-bit mode, return objects that require it
2290 in FP registers.
2292 2006-04-11 Roger Sayle <roger@eyesopen.com>
2294 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2296 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2298 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2300 2006-04-03 Jeff Law <law@redhat.com>
2302 PR/27087
2303 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2304 alias information too.
2306 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2308 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2310 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2312 PR/21391
2313 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2314 (premark_used_types_helper): New.
2315 (premark_used_types): New.
2316 (gen_subprogram_die): Call premark_used_types.
2317 (prune_unused_types_walk): Do not prune perennial dies.
2318 * function.c (used_types_insert): New.
2319 * function.h (struct function): Add used_types_hash field.
2320 (used_types_insert): Add prototype.
2321 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2322 * c-parser.c (c_parser_cast_expression): Save casted types in used
2323 types hash table.
2325 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2327 PR target/26459
2328 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2329 rs6000_explicit_options.float_gprs.
2331 2006-04-10 Roger Sayle <roger@eyesopen.com>
2333 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2334 from ix86_expand_vector_init_low_nonzero. Take an additional
2335 one_var argument indicating which element is non-zero. Support
2336 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2337 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2338 with one_var instead of ix86_expand_vector_init_low_nonzero.
2340 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2342 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2343 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2344 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2345 build/genextract.o): Depend on vecprim.h.
2346 * cfglayout.c, df-problems.c, function.c, genextract.c,
2347 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2348 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2349 vecprim.h.
2350 * vecprim.h: New.
2352 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2354 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2355 Declare VECs of this type.
2356 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2357 (remove_children): Delete.
2358 (add_dwarf_attr): Use VEC routines.
2359 (add_AT_flag): Update for changes to add_dwarf_attr.
2360 (add_AT_int): Likewise.
2361 (add_AT_unsigned): Likewise.
2362 (add_AT_long_long): Likewise.
2363 (add_AT_vec): Likewise.
2364 (add_AT_string): Likewise.
2365 (add_AT_die_ref): Likewise.
2366 (add_AT_fde_ref): Likewise.
2367 (add_AT_loc): Likewise.
2368 (add_AT_loc_list): Likewise.
2369 (add_AT_addr): Likewise.
2370 (add_AT_lbl_id): Likewise.
2371 (add_AT_lineptr): Likewise.
2372 (add_AT_macptr): Likewise.
2373 (add_AT_offset): Likewise.
2374 (add_AT_range_list): Likewise.
2375 (get_AT): Use VEC_iterate.
2376 (remove_AT): Use VEC_ordered_remove.
2377 (free_die): Fold remove_children into here; have it use VEC_iterate.
2378 (print_die): Use VEC_iterate on attrs.
2379 (reverse_die_lists): Don't reverse attr lists.
2380 (die_checksum): Use VEC_iterate on attrs.
2381 (same_die_p): Likewise.
2382 (output_location_lists): Likewise.
2383 (build_abbrev_table): Likewise.
2384 (size_of_die): Likewise.
2385 (unmark_all_dies): Likewise.
2386 (output_abbrev_section): Likewise.
2387 (output_die): Likewise.
2388 (prune_unused_types_walk_attribs): Likewise.
2390 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2392 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2394 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2396 PR debug/27057
2397 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2399 2006-04-09 Roger Sayle <roger@eyesopen.com>
2401 * expr.c (store_constructor): Don't bother clearing target if
2402 we're about to assign a vector to it using vec_init_optab.
2404 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2406 * tree-ssa-alias.c (lhs_may_store_to): New function.
2407 (recalculate_used_alone): Handle LHS of calls.
2409 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2411 PR target/27034
2412 PR target/26508
2413 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2414 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2415 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2416 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2417 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2418 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2419 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2420 stubs. Add ".align 8" directives before all ".dword" directives.
2421 (GTHREAD_USE_WEAK): Revise comment.
2422 (TARGET_ATTRIBUTE_WEAK): Define.
2423 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2424 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2425 * stublib.c: New file.
2427 PR target/26743
2428 PR target/11254
2429 PR target/10274
2430 * pa.md (cbranch patterns): Revise arguments used in calls to
2431 output_cbranch, output_bb and output_bvd. Add long branch length
2432 attributes.
2433 (fbranch patterns): Handle long branches.
2434 (jump): Revise length check. Revise arguments for output_lbranch call.
2435 Add long branch length attributes.
2436 (decrement_and_branch_until_zero): Add long branch length attributes.
2437 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2438 Likewise. Revise arguments for output_parallel_addb and
2439 output_parallel_movb calls.
2440 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2441 output_parallel_movb and output_parallel_addb): Update prototypes.
2442 * pa.c (output_cbranch): Revise arguments. Correct handling of
2443 nullification in long branches.
2444 (output_lbranch): Add new argument to control extraction of delay
2445 instruction.
2446 (output_bb): Handle long branches.
2447 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2448 output_parallel_addb): Likewise.
2450 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2452 PR rtl-optimization/27073
2453 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2454 not REG_EQUIVs.
2456 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2458 * tree.h (tree_memory_tag): Add old_used_alone.
2459 (SMT_OLD_USED_ALONE): New macro.
2460 * tree-ssa-alias.c (recalculate_used_alone): Stop
2461 marking things for renaming unnecessarily.
2463 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2465 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2466 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2467 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2468 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2469 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2470 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2471 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2472 spelling convensions.
2473 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2474 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2475 typos. Follow spelling conventions.
2477 2006-04-07 DJ Delorie <dj@redhat.com>
2479 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2480 passed on the stack.
2481 (m32c_init_cumulative_args): When a function returns a structure,
2482 always pass the pointer to that return area on the stack.
2483 (m32c_function_arg_advance): Don't increment the parameter number
2484 if we're processing the returned structure pointer.
2485 (pushm_info): Reverse order of registers.
2487 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2489 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2490 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2491 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2492 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2493 build_int_cst_type.
2494 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2495 chrec_fold_multiply): Same.
2496 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2497 force_expr_to_var_cost): Same.
2498 * tree-mudflap.c (mf_xform_derefs_1): Same.
2499 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2501 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2503 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2504 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2505 insn.
2507 2006-04-07 Jan Hubicka <jh@suse.cz>
2509 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2511 2006-04-07 Richard Guenther <rguenther@suse.de>
2513 PR tree-optimization/26135
2514 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2515 loads for store copy-prop.
2516 (copy_prop_visit_stmt): Likewise.
2518 2006-04-05 Robert Millan <robertmh@gnu.org>
2520 * config/i386/linux.h: Add a comment to mark macros that are
2521 being overriden in config/k*bsd-gnu.h.
2522 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2523 DYNAMIC_LINKER.
2524 * config/knetbsd-gnu.h: Ditto.
2526 2006-04-06 Jan Hubicka <jh@suse.cz>
2528 PR profile/20815
2529 PR profile/26399
2530 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2531 after buffer.
2533 2006-04-06 Mike Stump <mrs@apple.com>
2535 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2536 for HAVE_nonlocal_goto to be consistent.
2537 (expand_builtin_nonlocal_goto): Likewise.
2538 (expand_builtin_strcmp): Use #ifdef instead of #if
2539 for HAVE_cmpstrnsi to be consistent.
2541 2006-04-05 DJ Delorie <dj@redhat.com>
2543 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2544 vs m32c.
2546 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2548 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2549 got-relative addressing for anything but SImode.
2551 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2552 even if the calling function doesn't modify them.
2554 2006-04-05 Richard Guenther <rguenther@suse.de>
2556 PR tree-optimization/26919
2557 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2558 to cgraph_estimate_size_after_inlining.
2560 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2562 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2564 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2566 PR tree-optimization/26996
2567 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2568 VECTOR_TYPE variables.
2570 2006-04-05 Richard Guenther <rguenther@suse.de>
2572 PR tree-optimization/26763
2573 * fold-const.c (fold_comparison): Move folding of
2574 PTR + CST CMP PTR + CST ...
2575 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2577 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2579 * doc/install.texi (Prerequisites): Refine some wording on
2580 bootstrapping and ksh.
2581 Move the version numbers of DejaGnu here from the testing section
2582 and fix casing of names.
2583 Fix markup and clarify wording for autogen requirements.
2584 Refer to GCJ instead of just java.
2585 Refer to SVN instead of CVS.
2586 Describe diffutils as useful instead of necessary.
2587 (Downloading the source): Refer to SVN instead of CVS.
2588 Adjust a link to our web site accordingly.
2589 (Configuration): Fix casing of Bison.
2590 (Building): Refer to SVN instead of CVS.
2591 Fix a sentence on the use of Bison and remove duplicate (and
2592 incorrect) version number of Bison requirement.
2593 Remove one redundant list of packages needed for building.
2594 (Specific): Avoid reference to CVS.
2596 2006-04-04 Eric Christopher <echristo@apple.com>
2598 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2599 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2600 (rs6000_handle_struct_attribute): New.
2601 (rs6000_ms_bitfield_layout_p): Ditto.
2603 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2605 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2606 NULL for dso parameter to atexit_common.
2608 2006-04-04 Eric Christopher <echristo@apple.com>
2610 * config/i386/i386.c (machopic_output_stub): Output \t
2611 between instructions and operands.
2613 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2615 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2616 satisfies_constraint_[IL] to explicit tests on value.
2618 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2620 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2621 set_nb_iterations_in_loop): Use build_int_cst instead of
2622 build_int_cst_type.
2623 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2624 build_int_cst instead of convert.
2626 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2628 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2629 new value 2 for incoming.
2630 * function.c (expand_function_start): Call struct_value_rtx
2631 with incoming as 2.
2632 * config/sparc/sparc.md: Comment updated_return.
2633 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2634 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2635 struct return if sparc_std_struct_return and incoming is 2.
2636 (print_operand): Do not adjust return if
2637 sparc_std_struct_return.
2639 2006-04-04 Roger Sayle <roger@eyesopen.com>
2641 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2642 convert in the middle-end.
2643 * expr.c (store_expr, store_constructor, get_inner_reference,
2644 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2645 Likewise.
2646 * tree.c (build_range_type): Likewise.
2648 2006-04-04 Tom Tromey <tromey@redhat.com>
2650 * doc/install.texi (Prerequisites): Mention jar.
2652 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2654 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2655 subsection.
2657 2006-04-04 Matthias Klose <doko@debian.org>
2659 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2660 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2661 strings.
2663 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2665 * doc/extend.texi (Function Attributes): Rewrite visibility
2666 attribute documentation.
2667 * doc/invoke.texi (C++ Dialect Options): Rewrite
2668 -fvisibility-inlines-hidden documentation to describe something
2669 entirely different, although in practise compatible.
2670 (Code Gen Options): Warn about system headers in -fvisibiltity=
2671 documentation.
2673 * doc/extend.texi (Other Builtins): Document that
2674 __builtin_nan is a compile-time constant only when its argument
2675 is valid.
2677 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2679 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2680 trying to remove TRUNCATE check if all bits outside the new mode
2681 are identical to the sign bit.
2683 2006-04-03 Jeff Law <law@redhat.com>
2685 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2686 and operand scanning in some common cases.
2688 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2689 Dale Johannesen <dalej@apple.com>
2691 PR target/19653
2692 * regclass.c (struct reg_pref): Update documentation.
2693 (regclass): Set prefclass to NO_REGS if memory is the best option.
2694 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2695 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2696 into account. For non-registers, equate an empty preferred
2697 reload class to a `!' in the constraint; move the if clause to
2698 do so after those that reject the insn.
2699 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2700 return NO_REGS.
2701 (find_dummy_reload): Likewise.
2702 * doc/tm.texi (Register Classes): Document what it means
2703 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2704 * config/i386/i386.c (ix86_preferred_reload_class): Force
2705 using SSE registers (and return NO_REGS for floating-point
2706 constants) if math is done with SSE.
2707 (ix86_preferred_output_reload_class): New.
2708 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2709 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2710 * config/i386/i386.md: Remove # register preferences.
2712 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2714 PR bootstrap/26992
2715 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2716 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2717 the type of nb_iter.
2718 (instantiate_parameters_1): Convert the operands before calling
2719 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2720 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2722 2006-04-02 Roger Sayle <roger@eyesopen.com>
2724 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2725 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2726 instead of convert.
2727 * dojump.c (do_jump): Likewise.
2728 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2729 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2730 gimplify_boolean_expr): Likewise.
2731 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2732 * varasm.c (array_size_for_constructor): Likewise.
2733 * tree-object-size.c (compute_object_offset): Likewise.
2735 2006-04-02 Roger Sayle <roger@eyesopen.com>
2737 PR middle-end/26977
2738 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2739 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2741 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2743 PR tree-optimization/26939
2744 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2746 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2748 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2749 at_stmt. Convert the type of operands before calling
2750 build_polynomial_chrec.
2751 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2752 add_to_evolution_1.
2753 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2754 (instantiate_parameters_1): Convert the type of operands before calling
2755 build_polynomial_chrec.
2756 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2757 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2758 reset_evolution_in_loop): Insert asserts to check the types of the
2759 operands.
2760 (chrec_type): Moved...
2761 (eq_evolutions_p): Use operand_equal_p.
2762 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2763 the types of the operands.
2764 (chrec_type): ...here.
2765 * tree-data-ref.c (create_data_ref): Convert the operands before
2766 calling chrec_replace_initial_condition.
2767 (same_access_functions, analyze_subscript_affine_affine,
2768 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2769 (compute_subscript_distance, analyze_ziv_subscript,
2770 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2771 analyze_miv_subscript): Convert the operands before calling
2772 chrec_fold_minus or chrec_fold_plus.
2774 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2776 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2777 the dependence_relations vector.
2778 (compute_data_dependences_for_loop): Adjust call to
2779 compute_all_dependences.
2781 2006-04-01 Roger Sayle <roger@eyesopen.com>
2782 Richard Henderson <rth@redhat.com>
2784 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2785 gimple_boolify on the condition before calling gimplify_expr.
2787 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2789 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2790 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2791 the frame size. Update to use the new macros.
2792 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2793 * config/xtensa/ieee754-df.S: Likewise.
2795 2006-03-31 Richard Henderson <rth@redhat.com>
2797 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2798 (make_edges): ... here. Control fallthru creation with a local
2799 variable. Do not play with fake edges.
2800 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2801 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2802 a boolean.
2804 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2806 * dwarf2.h (DW64_CIE_ID): Define.
2807 * dwarf2out.c (DWARF_CIE_ID): Define.
2808 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2809 length header. Use DWARF_CIE_ID.
2810 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2811 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2813 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2815 * config/sh/linux-atomic.asm: New file.
2816 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2818 2006-03-31 DJ Delorie <dj@redhat.com>
2820 * config/m32c/cond.md: Set condition flags properly throughout.
2821 * config/m32c/minmax.md: Likewise.
2822 * config/m32c/prologue.md: Likewise.
2823 * config/m32c/bitops.md: Likewise.
2824 * config/m32c/muldiv.md: Likewise.
2825 * config/m32c/mov.md: Likewise.
2826 * config/m32c/addsub.md: Likewise.
2827 * config/m32c/m32c.md: Likewise.
2828 * config/m32c/jump.md: Likewise.
2829 * config/m32c/shift.md: Likewise.
2831 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2832 conditionally output the pattern for this.
2833 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2834 (m32c_compare_redundant): New.
2835 (m32c_output_compare): New.
2836 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2838 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2839 dest, not src. Allow other 4-byte modes.
2841 2006-03-30 Denis Chertykov <denisc@overta.ru>
2843 * doc/md.texi: Refer to avr/constraints.md instead of
2844 avr/avr.h.
2846 2006-03-30 Roger Sayle <roger@eyesopen.com>
2848 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2849 signed vs. unsigned comparison failures on some hosts.
2851 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2853 PR target/26459
2854 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2855 change to FLOAT_REGS.
2857 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2858 (rs6000_override_options): Use it.
2859 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2860 only for -mabi=spe/no-spe and -mabi=altivec.
2862 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2864 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2865 !Zdynamiclib.
2867 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2869 * Makefile.in: Rename docdir to gcc_docdir.
2871 2006-03-30 Roger Sayle <roger@eyesopen.com>
2873 PR target/17959
2874 * expr.c (emit_group_store): Optimize group stores into a pseudo
2875 register by using a paradoxical subreg to initialize the destination
2876 if the first or last member of the group specifies a "low part".
2878 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2880 PR target/26734
2881 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2882 * target.h (struct gcc_target.speculate_insn): Change type of the
2883 second parameter to 'int'.
2884 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2885 the second operand of the DEPS_LIST.
2886 (copy_DEPS_LIST_list): Update reference to the second operand of the
2887 DEPS_LIST.
2888 * rtl.h (alloc_DEPS_LIST): Update signature.
2889 * sched-int.h (ds_t): Change typedef to 'int'.
2890 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2892 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2894 * haifa-sched.c (try_ready): Change condition to restore
2895 non-speculative pattern of the instruction.
2896 (process_insn_depend_be_in_spec): Code to keep probability of the
2897 speculative dependence non-decreasing.
2899 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2901 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2902 (single_move_for_movmem): ... this. Also change all uses.
2903 (bfin_expand_strmov): Renamed to...
2904 (bfin_expand_movmem): ... this. Also change all uses.
2905 * config/bfin/bfin.md (movstrsi): Renamed to...
2906 (movstrsi): ...this.
2908 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2910 PR tree-optimization/26830
2912 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2913 (copy_prop_visit_stmt): Remove write-only variable ann.
2914 (init_copy_prop): Check variable loop depth here. Do not simulate
2915 memory-tag and virtual operand PHIs except for store copy prop.
2917 2006-03-30 Richard Guenther <rguenther@suse.de>
2919 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2920 variants with double arguments.
2922 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2924 * genpreds.c (write_tm_constrs_h): Delete variable p.
2925 * genconditions.c (write_header): Add tm-constrs.h to included
2926 headers.
2927 * genpeep.c (main): Add toplev.h to included headers.
2928 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2929 (build/genpeep.o): Add toplev.h dependency.
2930 * config/rs6000/constraints.md: Add "W" constraint.
2932 2006-03-29 Roger Sayle <roger@eyesopen.com>
2934 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2935 sizes by correctly testing whether the size fits a host integer.
2936 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2937 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2938 SImode range for the default sizetype and bitsizetype.
2940 2006-03-29 Roger Sayle <roger@eyesopen.com>
2942 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2943 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2944 quickly if the argument is already of the correct type.
2945 Call fold_build1 instead of build1. Tidy up blank lines.
2947 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2949 * genemit.c (main): Add tm-constrs.h to included headers.
2950 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2951 * genpeep.c (main): Add tm-constrs.h to included headers.
2952 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2953 (write_tm_constrs_h): this and write complete file.
2954 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2955 (write_insn_preds_c): Add tm-constrs.h to included headers.
2956 (gen_constrs): New variable.
2957 (parse_option): Parse "-c".
2958 (main): Invoke write_tm_constrs_h.
2959 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2960 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2961 (object_out_file): Add tm-constrs.h dependency.
2962 (insn-emit.o): Same.
2963 (insn-output.o): Same.
2964 (insn-peep.o): Same.
2965 (insn-preds.o): Same.
2966 (insn-recog.o): Same.
2967 (tm-constsr.h): New target.
2968 (s-constrs-h): New target.
2970 * config/rs6000/constraints.md: New file.
2971 * config/rs6000/rs6000.c: Include tm-constrs.h.
2972 (num_insn_constant_wide): Convert to satisfies_constraint.
2973 (rs6000_rtx_costs): Convert to satisfies_constraint.
2974 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2975 (CONST_OK_FOR_LETTER_P): Delete.
2976 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2977 (EXTRA_CONSTRAINT): Delete.
2978 (EXTRA_MEMORY_CONSTRAINT): Delete.
2979 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2980 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2981 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2982 satisfies_constraint.
2984 * config/i386/i386.c: Include tm-constrs.h.
2986 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2988 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2989 * tree-data-ref.c (find_data_references_in_loop,
2990 compute_data_dependences_for_loop): Use pointers to VEC.
2991 (analyze_all_data_dependences): Adjust calls.
2992 * tree-data-ref.h (find_data_references_in_loop,
2993 compute_data_dependences_for_loop): Adjust declarations.
2994 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2995 compute_data_dependences_for_loop.
2997 2006-03-29 Paul Brook <paul@codesourcery.com>
2999 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3000 (movdf_vfp): Ditto.
3002 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3004 PR tree-optimization/26859
3005 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3006 division by zero.
3007 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3008 for the step after fold_convert.
3010 2006-03-29 Paul Brook <paul@codesourcery.com>
3012 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3013 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3015 2006-03-29 Paul Brook <paul@codesourcery.com>
3017 PR middle-end/23623
3018 * targhooks.c (default_narrow_bitfield): New fuction.
3019 * targhooks.h (default_narrow_bitfield): add prototype.
3020 * target.h (gcc_target): Add narrow_volatile_bitfield.
3021 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3022 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3023 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3024 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3026 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3028 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3029 tmake_file.
3030 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3031 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3032 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3033 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3034 (s390_function_arg_float): Allow SDmode and DDmode values to be
3035 passed in floating point registers.
3036 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3037 check with SCALAR_FLOAT_MODE_P.
3038 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3040 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3042 PR tree-optimization/25985
3043 * tree-ssa-loop-niter.c (number_of_iterations_le,
3044 number_of_iterations_ne): Make comments more precise.
3045 (number_of_iterations_cond): Add only_exit argument. Use the
3046 fact that signed variables do not overflow only when only_exit
3047 is true.
3048 (loop_only_exit_p): New.
3049 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3050 number_of_iterations_cond.
3052 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3054 PR tree-optimization/26643
3055 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3056 bit_field_refs.
3058 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3060 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3061 (divsi3_i4_int): Likewise.
3063 2006-03-28 Roger Sayle <roger@eyesopen.com>
3065 * expr.c (emit_group_store): Only create a new pseudo reg if the
3066 quantity it needs to hold isn't already a suitable pseudo.
3068 2006-03-28 Jeff Law <law@redhat.com>
3070 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3071 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3073 2006-03-28 Roger Sayle <roger@eyesopen.com>
3075 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3076 the equivalent ~X & Y, and the symmetry related transformations.
3077 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3078 ~X & Y, and symmetry related transforms.
3080 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3082 Revert my 2006-03-27 patches.
3084 2006-03-28 Roger Sayle <roger@eyesopen.com>
3086 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3087 ~(T1)X, when T1 and T2 are integer types of the same precision
3088 and (T2)X isn't an extension.
3090 2006-03-28 Jeff Law <law@redhat.com>
3092 PR tree-optimization/26796
3093 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3094 need EH edge cleanups rather than purging them immediately.
3095 (eliminate_degenerate_phis): Handle queued EH cleanups.
3097 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3099 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3100 from parent_var.
3102 2006-03-27 Roger Sayle <roger@eyesopen.com>
3104 PR middle-end/22524
3105 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3106 cast BIT_NOT_EXPR operand to the correct type.
3108 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3110 * tree-loop-linear.c: Don't include varray.h.
3111 (gather_interchange_stats, try_interchange_loops,
3112 linear_transform_loops): Use VEC instead of VARRAY.
3113 * lambda-mat.c: Don't include varray.h.
3114 * tree-chrec.c: Same.
3115 * lambda-trans.c: Same.
3116 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3117 VEC instead of VARRAY.
3118 * tree-vectorizer.h: Idem.
3119 * tree-data-ref.c (dump_data_references,
3120 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3121 initialize_data_dependence_relation, finalize_ddr_dependent,
3122 compute_all_dependences, find_data_references_in_loop,
3123 compute_data_dependences_for_loop, analyze_all_data_dependences,
3124 free_dependence_relation, free_dependence_relations,
3125 free_data_refs): Idem.
3126 * tree-data-ref.h (data_reference_p, subscript_p): New.
3127 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3128 VEC instead of VARRAY.
3129 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3130 (find_data_references_in_loop, compute_data_dependences_for_loop,
3131 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3132 dump_data_dependence_relations, free_dependence_relations,
3133 free_data_refs): Adjust declaration.
3134 (lambda_transform_legal_p): Move declaration here...
3135 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3136 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3137 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3138 vect_analyze_data_refs): Use VEC instead of VARRAY.
3139 * lambda.h (lambda_transform_legal_p): ...from here.
3140 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3141 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3142 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3143 tree-chrec.o): Don't depend on VARRAY_H.
3145 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3147 * rtl.def (Copyright): Update date.
3148 (DEPS_LIST): Change type of the second operand to 'int'.
3149 * target.h (Copyright): Update date.
3150 (struct gcc_target.speculate_insn): Change type of the second parameter
3151 to 'int'.
3152 * lists.c (Copyright): Update date.
3153 (alloc_DEPS_LIST): Change signature. Update reference to the second
3154 operand of the DEPS_LIST.
3155 (copy_DEPS_LIST_list): Update reference to the second operand of the
3156 DEPS_LIST.
3157 * rtl.h (Copyright): Update date.
3158 (alloc_DEPS_LIST): Update signature.
3159 * sched-int.h (Copyright): Update date.
3160 (ds_t): Change typedef to 'int'.
3161 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3163 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3165 * haifa-sched.c (Copyright): Update date.
3166 (try_ready): Change condition to restore non-speculative pattern
3167 of the instruction.
3168 (process_insn_depend_be_in_spec): Code to keep probability of the
3169 speculative dependence non-decreasing.
3171 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3173 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3174 shut up the compiler.
3176 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3178 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3179 to use lib prefix for target.
3180 ($(T)libic_invalidate_array_4-200.a): Likewise.
3181 ($(T)libic_invalidate_array_4a.a): Likewise.
3183 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3184 J"orn Rennecke <joern.rennecke@st.com>
3186 * superh.opt: New file.
3187 * sh.c (boardtype, osruntime): Remove.
3188 * superh.h (SUBTARGET_OPTIONS): Remove.
3189 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3191 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3192 arguments with ^ and/or [].
3194 * config.gcc (sh-*-*): Add quoting to account for quirk of
3195 Solaris /bin/sh.
3196 Replace == with = in enable_incomplete_targets test.
3198 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3199 with MASK_LITTLE_ENDIAN.
3201 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3202 * config/sh/sh.opt: Added to some comments.
3203 * config/sh/superh.h: Removed some chaff.
3205 * config/sh/sh.opt: Add m4-[1234]00* options.
3206 * config/sh/sh.c (sh_handle_option): Likewise.
3207 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3208 (ic_invalidate_array_4-100.o): New rule.
3209 ($(T)libic_invalidate_array_4-100.a): Likewise.
3210 (ic_invalidate_array_4-200.o): Likewise.
3211 ($(T)libic_invalidate_array_4-200.a): Likewise.
3212 (ic_invalidate_array_4a.o): Likewise.
3213 ($(T)libic_invalidate_array_4a.a): Likewise.
3214 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3215 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3216 m4-200*, and m4a*.
3217 * config/sh/crt1.asm: Merged in profiling code.
3218 * config/sh/superh.h (STARTFILE_SPEC): Override.
3219 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3220 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3221 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3223 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3224 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3225 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3227 * sh.opt (mpretend-cmove): New option.
3228 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3229 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3230 (movsicc): Add TARGET_PRETEND_CMOVE code.
3232 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3234 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3235 s390_class_max_nregs): New function prototypes.
3236 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3237 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3238 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3239 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3241 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3243 * dwarf2out.c (add_location_or_const_value_attribute): Call
3244 tree_add_const_value_attribute if nothing else works.
3245 (reference_to_unused): New.
3246 (rtl_for_decl_init): Use reference_to_unused to decide whether
3247 to output an initializer.
3249 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3251 PR target/26459
3252 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3253 peephole removing spe frob_di_df_2.
3255 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3257 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3258 (subscript_dependence_tester_1): Declared.
3259 (print_dir_vectors, print_dist_vectors): New.
3260 (debug_data_dependence_relation): New.
3261 (dump_data_dependence_relation): Print more details.
3262 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3263 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3264 (save_dist_v, save_dir_v, add_outer_distances,
3265 build_classic_dist_vector_1): New.
3266 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3267 Don't test for lambda_vector_lexico_pos.
3268 (same_access_functions, add_multivariate_self_dist,
3269 add_other_self_distances, dir_from_dist): New.
3270 (build_classic_dir_vector): Replace implementation almost identical to
3271 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3272 dir_from_dist.
3273 (subscript_dependence_tester_1): New.
3274 (subscript_dependence_tester): Handle the lexicographically negative
3275 distance vectors by recomputing the dependence relation.
3276 (compute_affine_dependence): Remove parameter loop_nest_depth.
3277 (compute_self_dependence): Don't call compute_subscript_distance.
3278 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3279 Add a parameter for the loop_nest.
3280 (find_loop_nest_1, find_loop_nest): New.
3281 (compute_data_dependences_for_loop): Compute the loop nest, and give
3282 up if the nest is not well formed.
3283 * tree-data-ref.h (loop_p): New.
3284 (struct data_dependence_relation): Replace size_vect field with
3285 loop_nest, a vec of loops.
3286 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3287 (DDR_LOOP_NEST): New.
3288 (print_dir_vectors, print_dist_vectors,
3289 debug_data_dependence_relation): Declared.
3290 (index_in_loop_nest): New.
3291 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3292 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3293 distance.
3295 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3297 * simplify-rtx.c (simplify_relational_operation): Call
3298 simplify_relational_operation_1 even if mode is VOIDmode.
3300 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3302 PR tree-optimization/26804
3303 * tree.h (DECL_CALL_CLOBBERED): New macro.
3304 (tree_decl_common): Add call_clobbered_flag.
3305 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3306 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3307 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3308 (mark_non_addressable): Ditto.
3309 * tree-ssa.c (verify_call_clobbered): New function.
3310 (verify_alias_info): Use it.
3311 * tree-pass.h (pass_reset_cc_flags): New prototype.
3312 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3313 (reset_cc_flags): New function.
3314 * passes.c (init_optimization_passes): Call reset_cc_flags after
3315 initializing referenced_vars.
3317 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3318 Roger Sayle <roger@eyesopen.com>
3320 PR middle-end/26717
3321 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3322 to 1.0 for non-real operands. Implement A / A optimization for
3323 complex operands.
3325 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3327 * config/i386/i386.c (size_cost): Correct the comment for
3328 cost of storing fp registers.
3329 (i386_cost): Likewise.
3330 (i486_cost): Likewise.
3331 (pentium_cost): Likewise.
3332 (pentiumpro_cost): Likewise.
3333 (k6_cost): Likewise.
3334 (athlon_cost): Likewise.
3335 (k8_cost): Likewise.
3336 (pentium4_cost): Likewise.
3337 (nocona_cost): Likewise.
3338 (generic64_cost): Likewise.
3339 (generic32_cost): Likewise.
3341 2006-03-24 Denis Chertykov <denisc@overta.ru>
3343 * config/avr/avr-protos.h (extra_constraint): Delete.
3344 (extra_constraint_Q): New declaration.
3345 * config/avr/constraints.md: New file.
3346 * config/avr/avr.md: Include it.
3347 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3348 (TMP_REGNO, ZERO_REGNO): Likewise.
3349 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3350 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3351 (extra_constraint): Delete.
3352 (extra_constraint_Q): Test for memory constraint 'Q'.
3353 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3354 (REG_CLASS_FROM_LETTER): Delete.
3355 (CONST_OK_FOR_LETTER_P): Delete.
3356 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3357 (EXTRA_CONSTRAINT): Delete.
3358 (TMP_REGNO): Delete.
3359 (ZERO_REGNO): Delete.
3361 2006-03-24 Jeff Law <law@redhat.com>
3363 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3364 directly. Call mark_new_vars_to_rename slightly earlier.
3366 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3368 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3369 (is_cxx): Likewise.
3370 (gen_compile_unit_die): Use new language types for Objective-C and
3371 Objective-C++.
3372 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3373 DW_LANG_C_plus_plus.
3375 PR 26793
3376 * config/t-darwin (crt3.o): Work around bug 26840.
3377 * config/darwin-crt3.c: Rewrite.
3378 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3380 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3382 * doc/invoke.texi: Document -femit-class-debug-always
3383 * common.opt: Add -femit-class-debug-always.
3385 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3387 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3388 index and base register.
3389 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3390 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3391 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3392 REGNO_OK_FOR_INDEX_P.
3393 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3394 ADDR_REGNO_P.
3395 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3396 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3397 REG_OK_FOR_BASE_P): Definitions removed.
3399 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3401 PR middle-end/26611
3402 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3403 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3404 set yet or weren't marked as local yet.
3406 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3408 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3409 the compiler.
3411 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3413 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3414 (rs6000_legitimate_small_data_p): Delete.
3415 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3416 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3417 and make static. Add forward declaration. Update uses.
3418 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3419 of offsettable_memref_p.
3420 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3421 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3423 2006-03-24 Jeff Law <law@redhat.com>
3425 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3426 around bug in immediate-use iterator.
3428 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3430 PR target/26607
3431 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3432 or __LITTLE_ENDIAN__.
3434 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3436 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3437 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3438 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3439 * config/sh/sh.opt (mdiv=): Amend description.
3440 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3441 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3442 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3443 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3444 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3445 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3446 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3447 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3448 TARGET_DIVIDE_CALL_FP.
3450 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3452 * haifa-sched.c (choose_ready): Fix type of the local variable.
3453 Move local variables. Add comment.
3454 (check_reg_live): Change signature. Make callable from debugger.
3455 * sched-int.h (check_reg_live): Update signature.
3456 * sched-ebb.c (check_reg_live): Update parameters.
3457 * sched-rgn.c (check_reg_live): Ditto.
3458 (region_head_or_leaf_p): Check pointer before dereferencing.
3459 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3460 before reload on optimization levels below 1.
3462 2006-03-23 Richard Henderson <rth@redhat.com>
3464 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3465 tls symbols.
3467 PR target/26347
3468 * config/alpha/predicates.md (local_symbolic_operand): Reject
3469 weak symbols.
3471 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3473 PR tree-opt/26795
3474 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3475 expressions which have overflowed constants.
3477 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3479 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3481 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3483 * cfgloopmanip.c (create_loop_notes): Removed.
3484 * final.c (final_scan_insn): Do not handle loop notes.
3485 * jump.c (squeeze_notes): Ditto.
3486 * cfglayout.c (skip_insns_after_block,
3487 duplicate_insn_chain): Ditto.
3488 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3489 create_loop_notes.
3490 * cfgloop.h (create_loop_notes): Declaration removed.
3492 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3494 * varasm.c (output_constant_pool): Restore fnname and fndecl
3495 arguments.
3496 (assemble_start_function): Adjust call accordingly.
3497 (assemble_end_function): Likewise.
3499 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3501 PR mudflap/26789
3502 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3504 PR mudflap/26790
3505 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3507 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3509 PR driver/22600
3510 * system.h (ICE_EXIT_CODE): New macro.
3511 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3512 (diagnostic_action_after_output): Likewise.
3513 * gcc.c (fatal_ice): New function.
3514 (execute): Use it instead of fatal.
3515 (fancy_abort): Likewise.
3516 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3518 2006-03-22 Jeff Law <law@redhat.com>
3520 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3521 iv_analyze_result returning false.
3523 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3525 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3527 2006-03-22 Richard Henderson <rth@redhat.com>
3529 PR middle-end/26084
3530 * except.c (duplicate_eh_regions_0): New.
3531 (duplicate_eh_region_1): Duplicate the children of the node as
3532 well as the node itself. Link them up properly.
3533 (duplicate_eh_region_2): Merge into ...
3534 (duplicate_eh_regions): ... here. Take copy_region argument, and
3535 copy only a sub-tree if asked. Simplify copying and fixup.
3536 (eh_region_outer_p): New.
3537 * except.h (duplicate_eh_regions): Update decl.
3538 (eh_region_outer_p): Declare.
3539 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3540 (lower_omp_master): Likewise.
3541 (lower_omp_ordered): Likewise.
3542 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3543 (move_stmt_r): Use it to remap labels. Handle recursion vs
3544 remap_decls_p properly.
3545 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3546 (find_outermost_region_in_block): New.
3547 (new_label_mapper): New.
3548 (move_sese_region_to_fn): Copy eh information to the new function
3549 properly.
3550 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3551 argument.
3552 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3553 number.
3555 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3557 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3558 into shared libraries.
3560 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3562 * doc/md.texi: Refer to i386/constraints.md instead of
3563 i386/predicates.md.
3564 * config/i386/constraints.md: New file, extracted from...
3565 * config/i386/predicates.md: ...here.
3566 * config/i386/i386.md: Include constraints.md.
3568 2006-03-21 Jason Merrill <jason@redhat.com>
3570 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3572 PR middle-end/20297
3573 * expr.c (init_block_move_fn): Force default visibility.
3574 (init_block_clear_fn): Likewise.
3575 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3576 * targhooks.c (default_external_stack_protect_fail): Likewise.
3578 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3580 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3581 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3582 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3583 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3584 (loadgp): Use mips_current_loadgp_style.
3585 (loadgp_noshared): New pattern.
3586 (sibcall_internal): Use MIPS_CALL.
3587 (sibcall_value_internal): Likewise.
3588 (sibcall_value_multiple_internal): Likewise.
3589 (call_internal): Likewise.
3590 (call_value_internal): Likewise.
3591 (call_value_multiple_internal): Likewise.
3592 (call_split): Use MIPS_CALL and add an 'S' constraint.
3593 (call_value_split): Likewise.
3594 (call_value_multiple_split): Likewise.
3595 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3596 (-mshared): New option.
3597 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3598 (mips_current_loadgp_style): Declare.
3599 * config/mips/mips.c (mips_classify_symbol): Avoid using
3600 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3601 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3602 TARGET_ABSOLUTE_ABICALLS.
3603 (override_options): Adjust comments. Improve the warning that is
3604 issued when -mabicalls and -G are used together.
3605 (mips_file_start): Remove comment.
3606 (mips_current_loadgp_style): New function.
3607 (mips_gnu_local_gp): New variable.
3608 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3609 LOADGP_ABSOLUTE.
3610 (mips_output_function_prologue): Use mips_current_laodgp_style.
3611 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3612 the cprestore instruction.
3613 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3614 live for TARGET_ABSOLUTE_ABICALLS.
3615 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3616 (ASM_SPEC): Pass down -mshared and -mno-shared.
3617 (MIPS_CALL): New macro.
3618 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3619 definition.
3620 * doc/invoke.texi (-mabicalls): Update documentation.
3621 (-mshared): Document.
3623 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3625 * config/ia64/unwind-hpux.c: New file.
3626 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3628 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3630 PR libgomp/26384
3631 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3633 2006-03-21 Jeff Law <law@redhat.com>
3635 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3636 type conversions of a VR_VARYING source to a wider type.
3638 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3640 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3641 tm_file on Solaris 10 and later.
3642 (sparc64-*-solaris2*): Likewise.
3643 (sparc-*-solaris2*): Likewise.
3644 * config/sol26.h: Rename to config/sol2-6.h.
3645 * config/sol2-10.h: New file.
3647 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3649 PR tree-opt/26781
3650 * tree-ssa-pre.c (create_component_ref_by_pieces):
3651 Handle STRING_CST.
3653 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3655 PR c++/26690
3656 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3657 return it immediately.
3659 2006-03-21 Michael Matz <matz@suse.de>
3661 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3662 New members.
3663 (remove_arc, add_arc): Update num_out_arcs member.
3664 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3665 of out arcs.
3666 (cache_presence): New function.
3667 (compare_states_for_equiv): New function.
3668 (state_is_differed): Don't take number of outargs, adjust callers.
3669 Use new invariant for speeding up.
3670 (init_equiv_class): Create initial classes based on sorted
3671 input.
3672 (partition_equiv_class): Don't track out_arcs_num.
3673 (evaluate_equiv_classes): Call cache_presence on all states and
3674 sort them.
3676 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3678 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3679 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3680 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3681 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3682 callers changed.
3683 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3684 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3685 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3686 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3687 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3688 macros.
3689 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3690 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3691 (REGNO_REG_CLASS): ARGP is in PREGS.
3692 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3693 IREGS.
3694 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3695 to deal with those addresses.
3696 * addresses.h: New file.
3697 * caller-save.c: Include "addresses.h".
3698 (init_caller_save): Use new base_reg_class function.
3699 * rtl-factoring.c: Include "addresses.h".
3700 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3701 * recog.c: Include "addresses.h".
3702 (preprocess_constraints): Use new base_reg_class function.
3703 * regrename.c: Include "addresses.h".
3704 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3705 functions. Keep track of a new var INDEX_CODE to compute valid
3706 classes.
3707 (replace_oldest_value_addr): Likewise.
3708 (replace_oldest_value_mem): Use base_reg_class.
3709 * reload.c: Include "addresses.h".
3710 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3711 (find_reloads): Use new base_reg_class function.
3712 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3713 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3714 all callers and prototype changed.
3715 * reload1.c: Include "addresses.h".
3716 (maybe_fix_stack_asms): Use base_reg_class.
3717 * regclass.c: Include "addresses.h".
3718 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3719 (init_reg_autoinc): Use new base_reg_class function.
3720 (record_reg_classes): Likewise.
3721 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3722 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3723 Use new args to compute necessary class.
3725 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3726 regrename.o, rtl-factoring.o): Update dependencies.
3727 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3728 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3729 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3730 REG_OK_FOR_INDEX_P): Delete documentation.
3732 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3734 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3735 from V7 to V9 for Solaris 7 and above.
3737 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3739 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3740 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3741 argument pointers may not alias any other storage.
3742 * common.opt: Define option -fargument-noalias-anything.
3743 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3744 alias semantics is specified by flag_argument_noalias > 2.
3746 2006-03-20 Jeff Law <law@redhat.com>
3748 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3749 (pass_phi_only_cprop): Declare.
3750 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3751 with phi_only_cprop
3752 * tree-ssa-dom.c (degenerate_phi_result): New function.
3753 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3754 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3755 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3756 (eliminate_degenerate_phis): Likewise.
3757 (pass_phi_only_cprop): New pass descriptor.
3758 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3759 support code. Callers updated.
3760 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3761 (store_copy_prop): Likewise.
3762 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3764 2006-03-20 Jason Merrill <jason@redhat.com>
3766 PR c++/21764
3767 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3768 (push_visibility, pop_visibility): Likewise.
3769 * c-pragma.h: Declare them.
3771 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3773 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3775 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3776 parameter and use get_ebb_head_tail.
3777 (sh_md_init_global): Adjust uses of find_regmode_weight.
3779 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3781 * function.h (struct function) <x_tail_recursion_reentry>:
3782 Rename to x_stack_check_probe_note.
3783 (tail_recursion_reentry): Rename to stack_check_probe_note.
3784 * function.c: Replace tail_recursion_reentry with
3785 stack_check_probe_note everywhere.
3786 (expand_function_start): Only emit a note for
3787 stack_check_probe_note with -fstack-protect.
3788 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3790 * emit-rtl.c (remove_unnecessary_notes): Remove.
3791 (pass_remove_unnecessary_notes): Remove.
3792 * rtl.h (remove_unnecessary_notes): Remove prototype.
3793 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3794 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3795 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3797 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3799 PR tree-opt/26629
3800 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3801 (valid_in_set): Handle ARRAY_REF.
3802 Change "if min_variant or VH" to asserts.
3803 (create_component_ref_by_pieces): Handle ARRAY_REF.
3804 (create_expression_by_pieces): Likewise.
3805 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3807 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3809 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3810 is operand of switch, not str[0].
3812 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3814 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3815 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3817 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3819 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3820 end of insn_extra_address_constraint declaration.
3822 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3824 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3825 (no-sum-in-toc): Same.
3826 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3827 variables.
3828 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3829 NO_FP_IN_TOC for -fPIC instead of mask.
3831 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3832 (BOOT_LDFLAGS): Delete.
3833 (LDFLAGS): Delete.
3834 * config/rs6000/t-aix52: Same.
3836 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3837 (stmsi[345678]_power): New.
3839 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3841 * config/ia64/ia64.opt: Add empty line to end of file.
3843 2006-03-17 Richard Guenther <rguenther@suse.de>
3845 PR middle-end/26721
3846 * builtins.c (get_pointer_alignment): For component style references
3847 adjust alignment to the component type alignment. Make sure
3848 to adjust alignment for component access of constants.
3850 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3852 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3853 unconditional jump.
3855 2006-03-17 Paul Brook <paul@codesourcery.com>
3857 * doc/install.texi: Docuemnt --with-mode.
3858 * config.gcc: Add --with-mode for arm*-*-*.
3859 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3861 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3863 * sh.c (max_labelno_before_reorg): New variable.
3864 (sh_reorg): Initialize it.
3865 (find_barrier): Check max_labelno_before_reorg before using
3866 label_to_alignment. Take length of explicit alignment insns
3867 into account. When seeing a UNSPECV_CONST_END, return it.
3869 * sh.c (fixup_mova): Set mode of affected label to QImode.
3870 (untangle_mova): New function.
3871 (find_barrier): Use it. Check mode of label before decrementing
3872 num_mova.
3873 (sh_reorg): Likewise.
3874 Set mode of all insns back to VOIDmode.
3876 * sh.c (MOVA_LABELREF): New macro.
3877 (mova_p, fixup_mova, sh_reorg): Use it.
3878 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3879 ADDR_DIFF_VEC matches mova.
3881 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3883 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3884 with ATTRIBUTE_UNUSED.
3886 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3888 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3889 pointer, instead of assuming it is possible to derive the
3890 correct args size from a call insn.
3892 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3894 * rtl.h (CONST_INT_P): Define.
3895 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3896 instead of GET_CODE(x) == CONST_INT.
3897 (vax_rtx_costs): Likewise.
3898 (vax_output_int_move): Likewise.
3899 (vax_output_int_add): Likewise.
3900 (legitimate_constant_address_p): Likewise.
3901 (index_term_p): Likewise.
3902 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3903 * config/vax/vax.md (and<mode>3): Likewise.
3904 (ashrsi3): Likewise.
3905 (extv): Likewise.
3906 (movstricthi): Likewise.
3907 (movstrictqi): Likewise.
3908 (rotrsi3): Likewise.
3909 (five unnamed insns): Likewise.
3911 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3913 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3914 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3915 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3916 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3917 Pass to ASM_OUTPUT_DWARF_OFFSET.
3918 * dwarf2out.c (debug_frame_section): New.
3919 (output_call_frame_info): Use debug_frame_section. Pass it to
3920 dw2_asm_output_offset.
3921 (output_die): Pass appropriate section to dw2_asm_output_offset.
3922 (output_compilation_unit_header): Likewise.
3923 (output_pubnames): Likewise.
3924 (output_aranges): Likewise.
3925 (enum dw_val_class): Break dw_val_class_lbl_offset into
3926 dw_val_class_lineptr and dw_val_class_macptr.
3927 (add_AT_lbl_offset): Delete.
3928 (add_AT_lineptr): New.
3929 (add_AT_macptr): New.
3930 (AT_lbl): Expect a lineptr or macptr.
3931 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3932 (attr_checksum): Likewise.
3933 (same_dw_val_p): Likewise.
3934 (size_of_die): Likewise.
3935 (value_format): Likewise.
3936 (output_die): Likewise.
3937 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3938 add_AT_lbl_offset.
3939 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3940 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3941 * config/darwin-protos.h (darwin_file_start): New.
3942 (darwin_asm_output_dwarf_offset): New.
3943 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3944 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3945 darwin_file_start.
3946 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3947 if not EH section; simplify.
3948 (darwin_file_start): New.
3949 (darwin_asm_output_dwarf_offset): New.
3950 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3951 mark as 'debug'.
3952 (DEBUG_INFO_SECTION): Likewise.
3953 (DEBUG_ABBREV_SECTION): Likewise.
3954 (DEBUG_ARANGES_SECTION): Likewise.
3955 (DEBUG_MACINFO_SECTION): Likewise.
3956 (DEBUG_LINE_SECTION): Likewise.
3957 (DEBUG_LOC_SECTION): Likewise.
3958 (DEBUG_PUBNAMES_SECTION): Likewise.
3959 (DEBUG_STR_SECTION): Likewise.
3960 (DEBUG_RANGES_SECTION): Likewise.
3961 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3962 (ASM_OUTPUT_DWARF_OFFSET): New.
3964 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3966 * config.gcc (tm_defines): Always add to previous value rather
3967 than replacing it.
3969 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3971 * config/mips/predicates.md (splittable_const_int_operand): New,
3972 split from move_operand.
3973 (splittable_symbolic_operand): New.
3974 (move_operand): Add commentary. Use splittable_const_int_operand.
3975 Inline mips_atomic_symbolic_constant_p.
3976 * config/mips/mips.md: Add combine splitters for handling moves
3977 of splittable_const_int_operands and splittable_symbolic_operands.
3978 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3979 (mips_split_symbol): Declare.
3980 (mips_move_integer): Declare.
3981 * config/mips/mips.c (mips_split_p): Make global.
3982 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3983 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3984 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3985 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3986 (mips_offset_within_object_p): Handle block symbols.
3987 (mips_atomic_symbolic_constant_p): Delete.
3988 (mips_cannot_force_const_mem): Return false for constants that
3989 mips_legitimize_move can handle.
3990 (mips_use_blocks_for_constant_p): New function.
3991 (mips_split_symbol): Make global.
3992 (mips_move_integer): Likewise. Add a temporary register argument.
3993 (mips_legitimize_const_move): Use splittable_const_int_operand and
3994 splittable_symbolic_operand.
3995 (mips_use_anchors_for_symbol_p): New function.
3996 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3997 (mips_split_p): Declare.
3999 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4001 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4002 (mips*-*-linux*): Likewise.
4004 2006-03-16 Roger Sayle <roger@eyesopen.com>
4005 Daniel Speyer <dspeyer@wam.umd.edu>
4007 PR middle-end/18259
4008 * tree-dump.c (dump_real): New function.
4009 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4010 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4011 (tree-dump.o): Add $(REAL_H) to the dependencies.
4013 2006-03-16 Roger Sayle <roger@eyesopen.com>
4015 PR middle-end/21781
4016 * real.c (real_from_string): If the mantissa is zero, don't bother
4017 parsing the exponent as the result should always be zero.
4019 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4021 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4023 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4025 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4026 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4027 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4028 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4029 ia64_sched_finish_global): New static functions to implement
4030 hooks from gcc_target.sched.
4031 (spec_check_no, max_uid, pending_data_specs): New static variables.
4032 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4033 ia64_spec_check_src_p): New static functions.
4034 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4035 (TARGET_SCHED_ADJUST_COST): Removed.
4036 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4037 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4038 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4039 TARGET_SCHED_GEN_CHECK,
4040 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4041 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4042 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4043 Fixed to handle speculation checks.
4044 (rtx_needs_barrier): Fixed to handle speculative loads and
4045 their checks.
4046 (ia64_variable_issue): Added code to count speculative loads and their
4047 checks.
4048 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4049 speculative loads.
4050 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4051 New enumerations.
4052 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4053 New constants.
4054 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4055 (ia64_reorg): Reset stops_p to NULL after it is freed.
4056 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4057 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4058 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4059 chk_a.
4060 (data_speculative, control_speculative, check_load): New attributes.
4061 (mov<mode>_advanced, mov<mode>_speculative,
4062 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4063 zero_extend<mode>di2_speculative,
4064 zero_extend<mode>di2_speculative_advanced): New patterns for
4065 data and control speculative loads.
4066 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4067 check loads.
4068 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4069 New pattern for data and control speculation checks.
4070 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4071 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4072 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4073 Auxiliary definitions for the patterns.
4074 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4075 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4076 constraints.
4077 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4078 for speculation.
4079 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4080 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4081 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4082 New resource constraints.
4083 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4084 for speculation.
4085 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4086 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4087 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4088 msched-in-control-spec, msched-ldc, msched-control-ldc,
4089 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4090 msched-prefer-non-control-spec-insns,
4091 msched-count-spec-in-critical-path): New flags to tune speculative
4092 scheduling.
4093 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4094 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4095 msched-in-control-spec, msched-ldc, msched-control-ldc,
4096 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4097 msched-prefer-non-control-spec-insns,
4098 msched-count-spec-in-critical-path): Document new flags.
4100 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4102 * target.h (struct spec_info_def): New opaque declaration.
4103 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4104 speculate_insn, needs_block_p, gen_check,
4105 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4106 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4107 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4108 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4109 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4110 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4111 gcc_target.sched.
4112 (TARGET_SCHED): Use new macros.
4113 * rtl.h (copy_DEPS_LIST_list): New prototype.
4114 * sched-int.h (struct sched_info): Change signature of new_ready field,
4115 adjust all initializations. New fields: add_remove_insn,
4116 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4117 region_head_or_leaf_p.
4118 (struct spec_info_def): New structure declaration.
4119 (spec_info_t): New typedef.
4120 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4121 recovery_block, orig_pat.
4122 (glat_start, glat_end): New variables declaraions.
4123 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4124 New access macros.
4125 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4126 DETACH_LIFE_INFO, USE_GLAT.
4127 (enum SPEC_SCHED_FLAGS): New enumeration.
4128 (NOTE_NOTE_BB_P): New macro.
4129 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4130 attach_life_info, debug_spec_status, check_reg_live): New functions.
4131 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4132 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4133 sched-ebb.c
4134 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4135 * ddg.c (get_block_head_tail): Adjust all uses.
4136 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4137 (sms_sched_info): Initialize new fields.
4138 (contributes_to_priority): Removed.
4139 * haifa-sched.c (params.h): New include.
4140 (get_block_head_tail): Adjust all uses.
4141 (ISSUE_POINTS): New macro.
4142 (glat_start, glat_end): New global variables.
4143 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4144 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4145 old_last_basic_block, before_recovery, current_sched_info_var,
4146 rgn_n_insns, luid): New static variables.
4147 (insn_cost1): New function. Move logic from insn_cost to here.
4148 (find_insn_reg_weight1): New function. Move logic from
4149 find_insn_reg_weight to here.
4150 (reemit_notes, move_insn, max_issue): Change signature.
4151 (move_insn1): Removed.
4152 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4153 extend_bb): New static functions to support extension of scheduler's
4154 data structures.
4155 (generate_recovery_code, process_insn_depend_be_in_spec,
4156 begin_speculative_block, add_to_speculative_block,
4157 init_before_recovery, create_recovery_block, create_check_block_twin,
4158 fix_recovery_deps): New static functions to support
4159 generation of recovery code.
4160 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4161 restore_bb_notes, move_block_after_check, move_succs): New static
4162 functions to support ebb scheduling.
4163 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4164 functions to support handling of register live information.
4165 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4166 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4167 add_jump_dependencies): New static functions.
4168 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4169 consistancy checking.
4170 (debug_spec_status): New function to call from debugger.
4171 (priority): Added code to handle speculation checks.
4172 (rank_for_schedule): Added code to distinguish speculative instructions.
4173 (schedule_insn): Added code to handle speculation checks.
4174 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4175 Fixed to handle ebbs.
4176 (move_insn): Added code to handle ebb scheduling.
4177 (max_issue): Added code to use ISSUE_POINTS of instructions.
4178 (choose_ready): Added code to choose between speculative and
4179 non-speculative instructions.
4180 (schedule_block): Added code to handle ebb scheduling and scheduling of
4181 speculative instructions.
4182 (sched_init): Initialize new variables.
4183 (sched_finish): Free new variables. Print statistics.
4184 (try_ready): Added code to handle speculative instructions.
4185 * lists.c (copy_DEPS_LIST_list): New function.
4186 * sched-deps.c (extend_dependency_caches): New function. Move logic
4187 from create_dependency_caches to here.
4188 (get_dep_weak, ds_merge): Make global.
4189 * genattr.c (main): Code to output prototype for
4190 dfa_clear_single_insn_cache.
4191 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4192 (output_dfa_clean_insn_cache_func): Code to output
4193 dfa_clear_single_insn_cache function.
4194 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4195 n_insns.
4196 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4197 Removed.
4198 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4199 New static variables.
4200 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4201 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4202 struct sched_info.
4203 (ebb_sched_info): Initialize new fields.
4204 (get_block_head_tail): Adjust all uses.
4205 (compute_jump_reg_dependencies): Fixed to use glat_start.
4206 (schedule_ebb): Code to remove unreachable last block.
4207 (schedule_ebbs): Added code to update register live information.
4208 * sched-rgn.c (region_sched_info): Initialize new fields.
4209 (get_block_head_tail): Adjust all uses.
4210 (last_was_jump): Removed. Adjust users.
4211 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4212 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4213 Implement new hooks.
4214 (check_dead_notes1): New static function.
4215 (struct region): New fields: dont_calc_deps, has_real_ebb.
4216 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4217 (BB_TO_BLOCK): Fixed to handle EBBs.
4218 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4219 (ebb_head): New static variable.
4220 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4221 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4222 new fields.
4223 (compute_dom_prob_ps): New assertion.
4224 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4225 global_live_at_start.
4226 (init_ready_list): New assertions.
4227 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4228 (new_ready): Add support for BEGIN_CONTROL speculation.
4229 (schedule_insns): Fixed code that updates register live information
4230 to handle EBBs.
4231 (schedule_region): Fixed to handle EBBs.
4232 (init_regions): Use extend_regions and check_dead_notes1.
4233 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4234 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4235 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4236 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4237 TARGET_SCHED_GEN_CHECK,
4238 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4239 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4240 * doc/invoke.texi (max-sched-insn-conflict-delay,
4241 sched-spec-prob-cutoff): Document.
4243 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4245 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4246 inter_tick, queue_index.
4247 (struct sched_info): Change signature of init_ready_list field.
4248 Adjust all initializations.
4249 (RESOLVED_DEPS): New access macro.
4250 (ready_add): Remove prototype.
4251 (try_ready): Add prototype.
4252 * sched-rgn.c (init_ready_list): Use try_ready.
4253 (schedule_region): Initialize
4254 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4255 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4256 (init_ready_list): Use try_ready.
4257 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4258 * lists.c (remove_list_elem): Remove `static'.
4259 (remove_free_INSN_LIST_elem): New function.
4260 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4261 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4262 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4263 New constants.
4264 (readyp): New variable.
4265 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4266 change_queue_index, resolve_dep): New static functions.
4267 (try_ready): New function. Adjust callers in sched-rgn.c and
4268 sched-ebb.c to use it instead of ready_add.
4269 (clock_var): Move at the begining of file.
4270 (rank_for_schedule): Fix typo.
4271 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4272 (ready_lastpos): Enforce assertion.
4273 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4274 update all callers.
4275 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4276 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4277 (queue_to_ready): Use free_INSN_LIST_list.
4278 (early_queue_to_ready): Fix typo.
4279 (schedule_block): Init readyp. Move init_ready_list call after the
4280 initialization of clock_var. Fix error in rejecting insn by
4281 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4282 that previously corrected INSN_TICKs. Add code for handling
4283 QUEUE_INDEX.
4284 (set_priorities): Fix typo.
4285 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4286 Clarify comment and code that keeps current_sched_info->next_tail
4287 non-null.
4289 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4291 * sched-rgn.c (extend_rgns): New static function.
4292 (find_rgns): Use it.
4293 (gather_region_statistics, print_region_statistics): New static
4294 functions.
4295 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4296 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4298 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4299 Andrey Belevantsev <abel@ispras.ru>
4301 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4302 * lists.c (unused_deps_list): New variable.
4303 (free_list): Add assertions to verify the proper distinguishing
4304 between INSN_LISTs and DEPS_LISTs.
4305 (find_list_elem, remove_list_elem, remove_list_node): New static
4306 functions.
4307 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4308 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4309 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4310 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4311 an INSN_LIST.
4312 (free_INSN_LIST_node): Likewise.
4313 * modulo-sched.c (current_sched_info): Initialize flags field.
4314 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4315 * rtl.def (DEPS_LIST): Define.
4316 * rtl.h: Declare new functions from lists.c.
4317 * sched-deps.c (spec_dependency_cache): New static variable.
4318 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4319 (add_dependence): Change return type to void. Move the logic to ...
4320 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4321 (delete_all_dependences): Add comment about forward_dependency_cache.
4322 Handle spec_dependency_cache. Handle DEPS_LISTs.
4323 (fixup_sched_groups): Clarify the change of priority of output
4324 and anti dependencies.
4325 (sched_analyze_2): Adjust add_dependence calls to create data
4326 speculative dependence.
4327 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4328 Adjust all callers. Handle DEPS_LISTS.
4329 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4330 presence of speculation.
4331 (init_dependency_caches, free_dependency_caches):
4332 Handle spec_dependency_cache.
4333 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4334 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4335 New static functions.
4336 (add_or_update_back_dep, add_or_update_back_forw_dep,
4337 add_back_forw_dep, delete_back_forw_dep): New functions.
4338 * sched-int.h (ds_t, dw_t): New typedefs.
4339 (struct sched_info): Add new field flags.
4340 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4341 Prototype new sched-deps.c functions.
4342 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4343 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4344 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4345 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4346 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4347 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4348 New constants.
4349 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4350 New enums.
4351 * sched-rgn.c (current_sched_info): Initialize flags field.
4352 (schedule_insns): Initialize current_sched_info before the sched_init
4353 call.
4354 * sched-ebb.c (current_sched_info): Initialize flags field.
4355 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4356 Call add_or_update_back_dep instead of add_dependence.
4357 Create control speculative dependencies.
4358 (schedule_insns): Initialize current_sched_info before the sched_init
4359 call.
4361 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4363 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4364 fs->signal_frame.
4365 (sh_fallback_frame_state): Likewise.
4367 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4369 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4370 Do switch on default_use_cxa_atexit.
4371 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4372 * config/darwin-crt3.o: New.
4373 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4374 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4375 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4376 OS version.
4377 * config/rs6000/t-darwin: Move crt2.o building to here.
4378 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4379 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4380 of __cxa_atexit.
4382 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4384 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4385 from '! xxx' to '!xxx' for coding-style conformance.
4386 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4387 (EXTRA_CONSTRAINT): Likewise.
4388 * config/vax/vax.md (four unnamed insns): Likewise.
4390 2006-03-15 Paul Brook <paul@codesourcery.com>
4392 * config/arm/arm.c (minipool_pad): New.
4393 (add_minipool_forward_ref): Include pool alignment padding in address
4394 calculation.
4395 (push_minipool_fix): Set minipool_pad.
4396 (minipool_pad): Ditto.
4398 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4400 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4401 instead of GET_CODE() == MEM and REG_P() instead of
4402 GET_CODE() == REG.
4403 (print_operand_address): Likewise.
4404 (vax_address_cost): Likewise.
4405 (vax_rtx_costs): Likewise.
4406 (vax_notice_update_cc): Likewise.
4407 (vax_output_int_add): Likewise.
4408 (INDEX_REGISTER_P): Likewise.
4409 (BASE_REGISTER_P): Likewise.
4410 (nonindexed_address_p): Likewise.
4411 (vax_mode_dependent_address_p): Likewise.
4412 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4413 (PRINT_OPERAND): Likewise.
4414 * config/vax/vax.md (ashlsi3): Likewise.
4415 (ashlsi3): Likewise.
4416 (some more unnamed insns): Likewise.
4418 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4420 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4421 iterator-style macro.
4422 (mark_control_dependent_edges_necessary): Update the use of
4423 EXECUTE_IF_CONTROL_DEPENDENT.
4425 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4427 * config/sh/predicates.md (cache_address_operand): Special.
4428 (ua_address_operand): Likewise.
4430 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4432 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4433 loop notes.
4434 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4436 2006-03-15 Andreas Schwab <schwab@suse.de>
4438 * gensupport.c (identify_predicable_attribute): Don't free p_false
4439 when it is still in use.
4441 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4443 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4444 the default setting here.
4446 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4448 * tree-pass.h (pass_cfg): Remove.
4449 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4450 * passes.c (pass_cfg): Don't run it.
4452 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4454 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4455 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4456 VEC(char,heap) *.
4457 (stack_regs_mentioned): Update the uses of
4458 stack_regs_mentioned_data. Don't access the array beyond its
4459 end.
4460 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4461 Don't include gt-reg-stack.h.
4463 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4464 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4466 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4468 PR middle-end/26684
4469 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4470 STACK_REGS.
4472 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4474 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4476 2006-03-14 Richard Guenther <rguenther@suse.de>
4478 PR tree-optimization/26672
4479 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4480 SSA form.
4482 2006-03-14 Richard Guenther <rguenther@suse.de>
4484 PR tree-optimization/26667
4485 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4486 node for the callees. Always allow inlining if it will shrink
4487 the function size.
4489 2006-03-14 Richard Guenther <rguenther@suse.de>
4491 PR middle-end/26659
4492 * builtins.c (get_pointer_alignment): Prefer alignment
4493 information from decls over that from types.
4495 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4497 PR target/26657
4498 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4500 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4502 * config/rs6000/rs6000.opt (mdlmzb): New option.
4503 (msched-prolog, msched-epilog): Use Var not Mask.
4504 * doc/invoke.texi (-mdlmzb): Document.
4505 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4506 MASK_SCHED_PROLOG.
4507 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4508 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4510 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4512 PR rtl-optimization/25739
4513 * bt-load.c (augment_live_range): Free tos pointer.
4515 * gensupport.c (identify_predicable_attribute): Free
4516 p_false pointer.
4517 * gcov.c (create_file_names): Free name pointer.
4519 2006-03-13 Roger Sayle <roger@eyesopen.com>
4521 PR middle-end/26557
4522 * stmt.c (emit_case_nodes): Handle the case where the index is a
4523 CONST_INT, where the comparison mode is specified by the index type.
4525 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4527 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4528 is defined.
4530 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4532 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4533 (*branch_fp_inverted): Likewise.
4535 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4537 PR middle-end/25989
4538 * omp-low.c (expand_omp_for_generic): Mark istart0
4539 and iend0 as addressable.
4541 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4543 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4545 2006-03-13 Jeff Law <law@redhat.com>
4547 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4548 virtual operands are interesting.
4549 (vrp_visit_stmt): Corresponding changes.
4551 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4553 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4554 of RETS.
4555 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4556 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4557 * config/bfin/crti.S: Use it instead of __PIC__.
4558 * config/bfin/crtn.S: Likewise.
4560 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4561 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4562 not if flag_pic.
4563 Lose 'G' modifier for call operand.
4564 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4565 recognize 'G' modifier.
4567 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4569 PR middle-end/18859
4570 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4571 * stmt.c (expand_case): Likewise.
4573 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4575 PR rtl-optimization/26254
4576 * loop-invariant.c (seq_insns_valid_p): New function.
4577 (move_invariant_reg): Only emit new code if it is valid.
4579 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4581 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4582 Removed.
4583 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4584 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4585 (commit_one_edge_insertion): Do not look for loop notes.
4587 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4589 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4590 flag_test_coverage out of loop.
4592 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4594 * final.c (shorten_branches): Remove outdated comment, and turn
4595 the if branch that guards it to continue.
4597 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4599 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4600 * cfgloop.h (struct loop): Remove unused fields.
4602 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4604 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4605 (-dL, -fdump-rtl-loop2): Update the dump file names
4607 * doc/invoke.texi: Update dump file names.
4609 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4611 * predict.c (estimate_probability): Remove.
4612 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4613 * basic-block.h (estimate_probability): Remove prototype.
4614 * passes.c (finish_optimization_passes): Dump branch prediction or
4615 profiling heuristics to the .profile tree dump.
4616 (init_optimization_passes): Unqueue pass_branch_prob.
4618 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4620 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4622 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4623 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4625 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4627 * function.h (frame_offset_overflow): Declare.
4628 * function.c (frame_offset_overflow): New function.
4629 (assign_stack_local_1): Call it to detect that the offset overflows.
4630 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4632 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4634 * config/sh/sh.c: Include alloc-pool.h.
4635 (label_ref_list_pool): New alloc pool.
4636 (label_ref_list_t): New type for lists of labels.
4637 (struct pool_node): Make wend a label_ref_list_t.
4638 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4639 references.
4640 (dump_table): Likewise.
4641 (sh_reorg): Set up the alloc pool before using add_constant and
4642 dump_table, and destroy it when finishing.
4644 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4646 * config/mips/mips.c: Remove redundant comment.
4648 2006-03-10 Jason Merrill <jason@redhat.com>
4650 PR c/26004
4651 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4652 the target was declared 'register'.
4654 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4656 * genpreds.c (write_insn_constraint_len): Change definition of
4657 insn_constraint_len to return size_t to match the declaration.
4659 2006-03-10 DJ Delorie <dj@redhat.com>
4661 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4662 start at zero.
4663 (m32c_expand_insv): Fix test for an AND mask.
4665 2006-03-10 Richard Guenther <rguenther@suse.de>
4667 PR middle-end/26565
4668 * builtins.c (get_pointer_alignment): Handle component
4669 references for field alignment.
4671 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4673 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4674 when building with libgloss.
4675 (sh*elf): Implement --without-fp option.
4676 (sh64-superh-linux*): Don't multilib.
4678 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4680 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4682 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4684 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4685 Set it when one of the replacement functions returned true.
4686 Return TODO_cleanup_cfg if cfgchanged is true.
4687 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4689 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4691 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4692 instead of gen_lowpart.
4694 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4696 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4697 interface.
4698 (mips_output_order_conditional_branch): Declare.
4699 * config/mips/mips.h (MIPS_BRANCH): New macro.
4700 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4701 for the comparison. Use gen_condjump.
4702 (mips_output_conditional_branch): Rework interface to take the
4703 asm templates for a direct branch and the inverse of a direct branch.
4704 (mips_output_order_conditional_branch): New function.
4705 (mips_builtin_branch_and_move): New function.
4706 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4707 branch condition. Use gen_single_cc as the condition for
4708 __builtin_mips_upper_* or __builtin_mips_lower_*.
4709 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4710 Use VOIDmode for the branch condition.
4711 * config/mips/predicates.md (order_operator): New predicate.
4712 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4713 (branch_fp): Rename to...
4714 (*branch_fp): ...this. Remove mode from comparison operator.
4715 Use new mips_output_conditional_branch interface.
4716 (branch_fp_inverted): Rename to...
4717 (*branch_fp_inverted): ...this and update as for *branch_fp.
4718 (*branch_zero<mode>): Rename to...
4719 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4720 Use mips_output_order_conditional_branch. Only accept ordered
4721 comparisons.
4722 (*branch_zero<mode>_inverted): Rename to...
4723 (*branch_order<mode>_inverted): ...this and update as for
4724 *branch_order<mode>.
4725 (*branch_equality<mode>): Accept zero as the second operand to
4726 the equality operator. Use the new mips_output_conditional_branch
4727 interface.
4728 (*branch_equality<mode>_inverted): Likewise.
4729 (condjump): New expander.
4730 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4731 operator.
4732 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4733 (bc1any2t, bc1any2f): Likewise.
4734 (single_cc): New expander.
4735 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4737 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4739 * doc/md.texi: Update documentation of MIPS constraints.
4740 * config/mips/constraints.md: New file.
4741 * config/mips/mips.md: Include it.
4742 * config/mips/mips.c (mips_char_to_class): Delete.
4743 (override_options): Don't initialize mips_char_to_class.
4744 * config/mips/mips.h (mips_char_to_class): Delete.
4745 (REG_CLASS_FROM_LETTER): Delete.
4746 (CONST_OK_FOR_LETTER_P): Delete.
4747 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4748 (EXTRA_CONSTRAINT_Y): Delete.
4749 (EXTRA_CONSTRAINT_STR): Delete.
4750 (CONSTRAINT_LEN): Delete.
4751 (EXTRA_MEMORY_CONSTRAINT): Delete.
4753 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4755 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4756 original fn's eh regions.
4758 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4760 * fold-const.c (build_range_check): Make sure to use a valid type to
4761 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4762 transformation.
4764 (range_predecessor): New static function.
4765 (range_successor): Likewise.
4766 (merge_ranges): Use them to compute predecessors and successors of
4767 range bounds.
4769 2006-03-09 Roger Sayle <roger@eyesopen.com>
4771 PR middle-end/26561
4772 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4773 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4775 2006-03-08 DJ Delorie <dj@redhat.com>
4777 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4778 (addpsi3): Expand to include memory operands. Remove
4779 reload-specific splits.
4780 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4781 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4782 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4783 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4784 (shift1_qi, shift1_hi, insv): New.
4785 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4786 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4787 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4788 cond_to_int): New.
4789 * config/m32c/m32c-protos.h: Update as needed.
4790 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4791 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4792 Fail for unrecognized R* constraints.
4793 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4794 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4795 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4796 Add Sp constraint.
4797 (m32c_init_libfuncs): New.
4798 (m32c_legitimate_address_p): Add debug wrapper.
4799 (m32c_rtx_costs): New.
4800 (m32c_address_cost): New.
4801 (conversions): Add 'B' prefix.
4802 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4803 operands, or word regnames for QI operands. 'B' prints bit
4804 position.
4805 (m32c_expand_setmemhi): New.
4806 (m32c_expand_movmemhi): New.
4807 (m32c_expand_movstr): New.
4808 (m32c_expand_cmpstr): New.
4809 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4810 (m32c_expand_neg_mulpsi3): Handle non-ints.
4811 (m32c_cmp_flg_0): New.
4812 (m32c_expand_movcc): New.
4813 (m32c_expand_insv): New.
4814 (m32c_scc_pattern): New.
4815 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4816 a0/a1 out of SIregs.
4817 (STORE_FLAG_VALUE): New.
4818 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4819 code macros.
4820 (no_insn): New.
4821 * config/m32c/mov.md: Make constraints more liberal.
4822 (zero_extendqihi2): Optimize r0/r1 case.
4823 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4824 * config/m32c/predicates.md (m32c_any_operand): New.
4825 (m32c_nonimmediate_operand): New.
4826 (m32c_hl_operand): New.
4827 (m32c_r3_operand): New.
4828 (ap_operand): New.
4829 (ma_operand): New.
4830 (memsym_operand): New.
4831 (memimmed_operand): New.
4832 (a_qi_operand): New.
4833 (m32c_eqne_operator): New.
4834 (m32c_1bit8_operand): New.
4835 (m32c_1bit16_operand): New.
4836 (m32c_1mask8_operand): New.
4837 (m32c_1mask16_operand): New.
4838 * config/m32c/blkmov.md: New file.
4839 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4841 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4843 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4844 unsigned to fix signed/unsigned comparison issue in
4845 DWARF2_FRAME_REG_OUT.
4846 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4847 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4849 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4850 of ptr into the ENABLE_CHECKING section.
4852 2006-03-08 Jeff Law <law@redhat.com>
4854 * tree-vrp.c (infer_value_range): Only count pointer uses
4855 and dereferences if -fdelete-null-pointer-checks is enabled.
4857 * tree-vrp.c (find_assert_locations): Infer value ranges for
4858 single use pointers, but do not create ASSERT_EXPRs for them.
4859 When a non-null range is inferred for a pointer, backwards
4860 propagate that range to other equivalent pointers through the
4861 use-def chain.
4863 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4865 PR bootstrap/26500
4866 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4867 language hook targets.
4868 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4869 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4870 if language hook targets were missing.
4872 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4874 * tree-ssa-opfinalize.h: Removed.
4875 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4876 dependency.
4877 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4878 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4879 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4880 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4881 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4882 finalize_ssa_v_must_def_ops): New.
4884 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4886 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4887 block as parameter.
4889 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4891 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4893 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4894 addresses with offsets; reorganize.
4896 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4897 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4898 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4900 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4902 PR target/26588
4903 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4905 2006-03-08 Ben Elliston <bje@au.ibm.com>
4907 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4909 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4911 PR gomp/26238
4912 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4913 expansion.
4915 2006-03-07 Richard Guenther <rguenther@suse.de>
4917 PR tree-optimization/26587
4918 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4920 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4922 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4924 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4926 * hooks.c (hook_bool_mode_rtx_true): New function.
4927 * hooks.h (hook_bool_mode_rtx_true): Declare.
4928 * toplev.c (compile_file): Call output_shared_constant_pool.
4929 * varasm.c (shared_constant_pool): New variable.
4930 (assemble_start_function, assemble_end_function): Remove arguments
4931 from call to output_constant_pool.
4932 (create_constant_pool): New function, split out from...
4933 (init_varasm_status): ...here.
4934 (force_const_mem): Choose between the shared and per-function constant
4935 pools. Set current_function_uses_const_pool when reusing old entries
4936 as well as when creating new ones.
4937 (mark_constant): Ignore data argument.
4938 (mark_constants): Remove pool argument.
4939 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4940 to decide whether the function uses a constant pool.
4941 (output_constant_pool_contents): New function, split out from...
4942 (output_constant_pool): ...here.
4943 (output_shared_constant_pool): New function.
4944 (init_varasm_once): Initialize shared_constant_pool.
4945 * output.h (output_constant_pool): Delete.
4946 (output_shared_constant_pool): Declare.
4947 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4948 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4950 2006-03-06 Nick Clifton <nickc@redhat.com>
4952 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4953 flag_strength_reduce.
4955 2006-03-06 Ben Elliston <bje@au.ibm.com>
4957 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4958 x86_64-*-linux* configurations.
4960 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4961 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4963 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4965 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4966 Remove.
4967 * basic-block.h: Remove the extern for
4968 rediscover_loops_after_threading.
4970 * cfgloop.c (cancel_loop): Make it static.
4971 * cfgloop.h: Remove the prototype for cancel_loop.
4973 * flow.c (recompute_reg_usage): Make it static.
4974 * rtl.h: Remove the prototype for recompute_reg_usage.
4976 * function.c (use_return_register): Make it static.
4977 * function.h: Remove the prototype.
4979 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4981 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4982 Remove.
4983 * recog.h: Remove the prototype for
4984 validate_change_maybe_volatile.
4986 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4988 * rtlanal.c (replace_reg): Remove.
4989 * rtl.h: Remove the prototype for replace_reg.
4991 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4993 * regclass.c (reg_scan_update): Remove.
4994 (reg_scan_mark_refs): Remove the last argument.
4995 * rtl.h: Remove the prototype for reg_scan_update.
4997 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4999 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5000 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5001 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5002 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5003 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5004 loop-invariant.c, omp-low.c, opts.c, passes.c,
5005 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5006 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5007 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5008 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5009 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5010 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5012 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5014 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5015 * dwarf2out.h: Remove the prototype for
5016 dwarf2out_add_library_unit_info.
5018 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5020 * tree.c (add_var_to_bind_expr): Remove.
5021 * tree.h: Remove the prototype for add_var_to_bind_expr.
5023 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5025 * regclass.c (n_non_fixed_regs): Remove.
5026 (init_reg_sets_1, globalize_reg): Remove all uses of
5027 n_non_fixed_regs.
5028 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5030 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5032 * rtlanal.c (insns_safe_to_move_p): Remove.
5033 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5035 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5037 * expmed.c (expand_mult_add): Remove.
5038 * expr.h: Remove the prototype for expand_mult_add.
5040 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5042 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5043 and REG_SAVED_VAL_EXP constants.
5044 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5045 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5046 Handle regs stored by value.
5047 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5048 (execute_cfa_program): Handle DW_CFA_val_offset,
5049 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5050 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5051 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5052 (uw_install_context_1): Handle target regs stored by value.
5054 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5056 * tree-sra.c (tree_sra): Return todoflags;
5057 (generate_one_element): Set TODO_update_smt_usage if needed.
5058 (pass_sra): Remove TODO_update_smt_usage.
5059 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5060 parameter.
5061 (tree_ssa_forward_propagate_single_use_vars): Return
5062 TODO_update_smt_usage if we need to update SMT usage.
5063 (pass_forwprop): Remove TODO_update_smt_usage.
5065 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5067 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5068 (correct_use_link): Remove reference to get_stmt_operands.
5069 (update_stmt_operands): Likewise.
5070 (get_modify_expr_operands): New function factored out of
5071 parse_ssa_operands and get_expr_operands.
5072 Try to create V_MUST_DEFs for LHS by default.
5073 (get_expr_operands) <case MODIFY_EXPR>: Call
5074 get_modify_expr_operands.
5075 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5076 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5077 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5078 get_modify_expr_operands.
5080 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5082 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5083 * tree-flow.h: Remove the prototype for
5084 referenced_var_lookup_if_exists.
5086 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5088 PR rtl-optimization/26345
5089 PR target/19061
5090 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5092 2006-03-03 Roger Sayle <roger@eyesopen.com>
5094 PR tree-optimization/26524
5095 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5096 fold_convert to create a constant of the appropriate type.
5098 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5100 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5101 SYMBOL_REF_IN_BLOCK_P.
5102 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5103 of SYMBOL_FLAG_IN_BLOCK.
5104 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5105 instead of SYMBOL_REF_IN_BLOCK_P.
5106 * explow.c (use_anchored_address): Likewise.
5107 * rtl.c (rtx_size): Likewise.
5108 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5109 instead of SYMBOL_FLAG_IN_BLOCK.
5110 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5111 SYMBOL_REF_IN_BLOCK_P.
5112 (assemble_variable): Likewise.
5113 (output_constant_def_contents): Likewise.
5114 (output_constant_pool): Likewise.
5115 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5116 instead of SYMBOL_FLAG_IN_BLOCK.
5117 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5118 SYMBOL_REF_IN_BLOCK_P.
5119 (SYMBOL_REF_BLOCK): Likewise.
5120 (SYMBOL_REF_OFFSET): Likewise.
5121 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5122 SYMBOL_REF_IN_BLOCK_P.
5123 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5124 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5125 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5126 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5128 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5130 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5132 2006-03-02 Roger Sayle <roger@eyesopen.com>
5134 * simplify-rtx.c (simplify_unary_operation): When simplifying
5135 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5136 that we perform the right shift in the appropriate mode, and
5137 then extend or truncate the result to requested mode.
5139 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5141 * gengtype.c (main): Handle double_int type.
5142 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5143 * double-int.c: New file.
5144 * double-int.h: New file.
5145 * system.h: Include doubleint.h.
5146 * Makefile.in (SYSTEM_H): Include double-int.h.
5147 (double-int.o): Add.
5149 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5151 PR bootstrap/26478
5152 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5153 copying over it.
5155 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5157 * tree-vrp.c (remove_range_assertions): Do not update statements
5158 unnecessarily.
5160 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5162 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5163 cleanup.
5164 * gcse.c (rest_of_handle_gcse): Ditto.
5165 * except.c (gate_handle_eh): Ditto.
5166 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5167 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5169 2006-03-02 Eric Christopher <echristo@apple.com>
5171 * config/i386/i386.c (machopic_output_stub): Add indirection to
5172 jump.
5174 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5176 * loop.c: Removed.
5178 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5180 Sun Niagara specific optimizations.
5181 * config.gcc: Recognize niagara as target.
5182 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5183 (TARGET_CPU_niagara): Define.
5184 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5185 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5186 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5187 (ASM_CPU_SPEC): Likewise.
5188 (PROCESSOR_NIAGARA): New enum entry.
5189 (REGISTER_MOVE_COST): Handle Niagara.
5190 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5191 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5192 (sparc_override_options): Recognize "niagara", set appropriate
5193 default MASK_* values for it, and align functions to 32-bytes
5194 by default just like ULTRASPARC/ULTRASPARC3.
5195 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5196 (sparc64_initialize_trampoline): Likewise.
5197 (sparc_use_sched_lookahead): Use zero for niagara.
5198 (sparc_issue_rate): Use one for niagara.
5199 * config/sparc/niagara.md: New file.
5200 * config/sparc/sparc.md: Include it.
5201 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5202 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5203 when default cpu is niagara.
5204 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5205 (ASM_CPU_SPEC): Likewise.
5206 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5207 when default cpu is niagara.
5208 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5209 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5210 just like v9/ultrasparc/ultrasparc3.
5211 * doc/invoke.texi: Add documentation for "niagara" and improve
5212 existing documentation for ultrasparc variants.
5214 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5216 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5218 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5220 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5221 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5222 and say that only one is needed.
5223 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5224 * target.h (have_switchable_bss_sections): New hook.
5225 * explow.c (use_anchored_address): Check that the symbol is in a block.
5226 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5227 (bss_noswitch_section): New variables.
5228 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5229 (get_noswitch_section): New function.
5230 (get_block_for_section): Allow SECT to be null.
5231 (unlikely_text_section_p): Use SECTION_STYLE.
5232 (bss_initializer_p): New function.
5233 (get_variable_section): Move earlier in file. Take a new argument,
5234 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5235 Return one of the new *_sections in such cases.
5236 (get_block_for_decl): New function, extracting some logic from
5237 use_blocks_for_decl_p.
5238 (change_symbol_section): Remove in favor of...
5239 (change_symbol_block): ...this new function.
5240 (use_blocks_for_decl_p): Remove checks now performed by
5241 get_block_for_decl.
5242 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5243 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5244 (emit_local, emit_bss, emit_common): ...these new functions.
5245 Return true if the alignment was honored.
5246 (emit_tls_common): New function.
5247 (asm_emit_uninitialised): Delete.
5248 (assemble_variable_noswitch): New function, split out from...
5249 (assemble_variable): ...here. Don't make decisions about common
5250 variables here. Globalize all public decls that go into non-common
5251 sections. Check whether SYMBOL_REF_BLOCK is null.
5252 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5253 (output_constant_pool): Likewise.
5254 (init_varasm_once): Initialize the new section variables.
5255 (have_global_bss_p): New function.
5256 (categorize_decl_for_section): Use bss_initializer_p.
5257 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5258 (place_block_symbol): Assert that the symbol must be in a block.
5259 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5260 (TARGET_INITIALIZER): Include it.
5261 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5262 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5263 (SECTION_MACH_DEP): Bump by two.
5264 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5265 (unnamed_section): Mention SECTION_UNNAMED in comment.
5266 (named_section): Likewise SECTION_NAMED.
5267 (noswitch_section_callback): New type.
5268 (noswitch_section): New structure.
5269 (section): Add a noswitch_section alternative.
5270 (SECTION_STYLE): New macro.
5271 (tls_comm_section, comm_section, lcomm_section): Declare.
5272 (bss_noswitch_section, have_global_bss_p): Declare.
5273 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5274 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5275 Override.
5276 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5277 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5278 Override.
5280 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5282 * tree-vrp.c (execute_vrp): Return value.
5283 * regrename.c (rest_of_handle_regrename): Ditto.
5284 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5285 * tree-complex.c (tree_lower_complex): Ditto.
5286 (tree_lower_complex_O0): Ditto.
5287 * tracer.c (rest_of_handle_tracer): Ditto.
5288 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5289 * postreload.c (rest_of_handle_postreload): Ditto.
5290 * tree-tailcall.c (execute_tail_recursion): Ditto.
5291 (execute_tail_calls): Ditto.
5292 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5293 * tree.h (init_function_for_compilation): Ditto.
5294 * ipa-cp.c (ipcp_driver): Ditto.
5295 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5296 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5297 * final.c (compute_alignments): Ditto.
5298 (rest_of_handle_final): Ditto.
5299 (rest_of_handle_shorten_branches): Ditto.
5300 (rest_of_clean_state): Ditto.
5301 * omp-low.c (execute_expand_omp): Ditto.
5302 (execute_lower_omp): Ditto.
5303 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5304 * ipa-reference.c (static_execute): Ditto.
5305 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5306 * reorg.c (rest_of_handle_delay_slots): Ditto.
5307 (rest_of_handle_machine_reorg): Ditto.
5308 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5309 * flow.c (recompute_reg_usage): Ditto.
5310 (rest_of_handle_remove_death_notes): Ditto.
5311 (rest_of_handle_life): Ditto.
5312 (rest_of_handle_flow2): Ditto.
5313 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5314 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5315 (do_ssa_store_ccp): Ditto.
5316 (execute_fold_all_builtins): Ditto.
5317 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5318 * modulo-sched.c (rest_of_handle_sms): Ditto.
5319 * ipa-pure-const.c (static_execute): Ditto.
5320 * cse.c (rest_of_handle_cse): Ditto.
5321 (rest_of_handle_cse2): Ditto.
5322 * web.c (rest_of_handle_web): Ditto.
5323 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5324 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5325 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5326 * tree-nrv.c (tree_nrv): Ditto.
5327 (execute_return_slot_opt): Ditto.
5328 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5329 (create_structure_vars): Ditto.
5330 * loop-init.c (rtl_loop_init): Ditto.
5331 (rtl_loop_done): Ditto.
5332 (rtl_move_loop_invariants): Ditto.
5333 (rtl_unswitch): Ditto.
5334 (rtl_unroll_and_peel_loops): Ditto.
5335 (rtl_doloop): Ditto.
5336 * gimple-low.c (lower_function_body): Ditto.
5337 (mark_used_blocks): Ditto.
5338 * tree-ssa-sink.c (execute_sink_code): Ditto.
5339 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5340 (cgraph_early_inlining): Ditto.
5341 * global.c (rest_of_handle_global_alloc): Ditto.
5342 * jump.c (cleanup_barriers): Ditto.
5343 (purge_line_number_notes): Ditto.
5344 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5345 (rest_of_handle_if_after_reload): Ditto.
5346 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5347 (tree_ssa_loop_im): Ditto.
5348 (tree_ssa_loop_unswitch): Ditto.
5349 (tree_vectorize): Ditto.
5350 (tree_linear_transform): Ditto.
5351 (tree_ssa_loop_ivcanon): Ditto.
5352 (tree_ssa_empty_loop): Ditto.
5353 (tree_ssa_loop_bounds): Ditto.
5354 (tree_complete_unroll): Ditto.
5355 (tree_ssa_loop_prefetch): Ditto.
5356 (tree_ssa_loop_ivopts): Ditto.
5357 (tree_ssa_loop_done): Ditto.
5358 * predict.c (tree_estimate_probability): Ditto.
5359 * recog.c (split_all_insns_noflow): Ditto.
5360 (rest_of_handle_peephole2): Ditto.
5361 (rest_of_handle_split_all_insns): Ditto.
5362 * tree-eh.c (lower_eh_constructs): Ditto.
5363 * regmove.c (rest_of_handle_regmove): Ditto.
5364 (rest_of_handle_stack_adjustments): Ditto.
5365 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5366 * function.c (instantiate_virtual_regs): Ditto.
5367 (init_function_for_compilation): Ditto.
5368 (rest_of_handle_check_leaf_regs): Ditto.
5369 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5370 (rest_of_handle_gcse): Ditto.
5371 * ipa-type-escape.c (type_escape_execute): Ditto.
5372 * alias.c (rest_of_handle_cfg): Ditto.
5373 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5374 * profile.c (rest_of_handle_branch_prob): Ditto.
5375 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5376 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5377 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5378 * tree-dfa.c (find_referenced_vars): Ditto.
5379 * except.c (set_nothrow_function_flags): Ditto.
5380 (convert_to_eh_region_ranges): Ditto.
5381 (rest_of_handle_eh): Ditto.
5382 * emit-rtl.c (unshare_all_rtl): Ditto.
5383 (remove_unnecessary_notes): Ditto.
5384 * except.h (set_nothrow_function_flags): Ditto.
5385 (convert_to_eh_region_ranges): Ditto.
5386 * cfgexpand.c (tree_expand_cfg): Ditto.
5387 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5388 * tree-ssa-pre.c (do_pre): Ditto.
5389 (execute_fre): Ditto.
5390 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5391 (rest_of_handle_jump2): Ditto.
5392 * tree-sra.c (tree_sra): Ditto.
5393 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5394 (execute_mudflap_function_decls): Ditto.
5395 * tree-ssa-copy.c (do_copy_prop): Ditto.
5396 (do_store_copy_prop): Ditto.
5397 * ipa-prop.h (ipcp_driver): Ditto.
5398 * cfglayout.c (insn_locators_initialize): Ditto.
5399 * tree-ssa-forwprop.c
5400 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5401 * cfglayout.h (insn_locators_initialize): Ditto.
5402 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5403 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5404 (execute_late_warn_uninitialized): Ditto.
5405 * rtl.h (cleanup_barriers): Ditto.
5406 (split_all_insns_noflow): Ditto.
5407 (purge_line_number_notes): Ditto.
5408 (unshare_all_rtl): Ditto.
5409 (remove_unnecessary_notes): Ditto.
5410 (recompute_reg_usage): Ditto.
5411 (variable_tracking_main): Ditto.
5412 * integrate.c (emit_initial_value_sets): Ditto.
5413 * integrate.h (emit_initial_value_sets): Ditto.
5414 * tree-optimize.c (execute_free_datastructures): Ditto
5415 (execute_free_cfg_annotations): Ditto.
5416 (execute_fixup_cfg): Ditto.
5417 (execute_cleanup_cfg_pre_ipa): Ditto.
5418 (execute_cleanup_cfg_post_optimizing): Ditto.
5419 (execute_init_datastructures): Ditto.
5420 * tree-object-size.c (compute_object_sizes): Ditto.
5421 * combine.c (rest_of_handle_combine): Ditto.
5422 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5423 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5424 (rest_of_handle_reorder_blocks): Ditto.
5425 (rest_of_handle_partition_blocks): Ditto.
5426 * var-tracking.c (variable_tracking_main): Ditto.
5427 * tree-profile.c (tree_profiling): Ditto.
5428 * tree-vect-generic.c (expand_vector_operations): Ditto.
5429 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5430 * sched-rgn.c (rest_of_handle_sched): Ditto.
5431 (rest_of_handle_sched2): Ditto.
5432 * basic-block.h (free_bb_insn): Ditto.
5433 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5434 * tree-cfg.c (execute_build_cfg): Ditto.
5435 (remove_useless_stmts): Ditto.
5436 (split_critical_edges): Ditto.
5437 (execute_warn_function_return): Ditto.
5438 (execute_warn_function_noreturn): Ditto.
5439 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5440 * cfgrtl.c (free_bb_for_insn): Ditto.
5441 * passes.c (execute_one_pass): Run additional
5442 todos returned by execute function.
5443 * tree-pass.h (struct tree_opt_pass): Make execute
5444 return a value.
5446 2006-03-02 Richard Guenther <rguenther@suse.de>
5448 * tree-ssa-alias.c (find_used_portions): Consider taking
5449 the address as making the variable not write-only.
5451 2006-03-02 Nick Clifton <nickc@redhat.com>
5453 * config.gcc (default_use_cxa_atexit): Extend the description of
5454 this configure variable. Set its default value to "yes" for
5455 Linux, NetBSD and ELF targets on the assumption that they will
5456 use C libraries with the __cxa_atexit function.
5458 2006-03-02 Ben Elliston <bje@au.ibm.com>
5460 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5461 parameter as unused to suppress a build warning.
5463 2006-03-02 Ben Elliston <bje@au.ibm.com>
5465 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5466 config/dfp-bit.c.
5468 2006-03-01 Roger Sayle <roger@eyesopen.com>
5470 PR other/26489
5471 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5472 declared name, the weak reference name, and the typeof name.
5473 (__gthrw): Avoid expanding the declared name suffix.
5474 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5476 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5478 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5479 from DWARF 3.
5480 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5481 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5482 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5483 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5484 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5485 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5486 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5487 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5488 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5489 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5490 (DW_END_default, DW_END_big, DW_END_little): New.
5491 (DW_END_lo_user, DW_END_hi_user): Define.
5492 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5493 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5494 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5495 DW_LANG_D): New.
5497 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5499 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5500 Update all users.
5501 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5502 Update all users.
5503 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5504 Update all users.
5505 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5506 Update all users.
5507 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5508 to 'symbol_mem_tag'.
5509 Update all users.
5510 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5511 rename.
5513 2006-03-01 Roger Sayle <roger@eyesopen.com>
5515 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5517 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5519 PR target/25761
5520 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5521 MACHO_DYNAMIC_NO_PIC_P.
5522 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5524 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5526 PR target/26389
5527 * config/darwin-protos.h (darwin_asm_output_anchor):
5528 Declare.
5529 * config/darwin-sections.def (cstring_section):
5530 Add SECTION_MERGE to the flags.
5531 (literal4_section): Likewise.
5532 (literal8_section): Likewise.
5533 (objc_selector_refs_section): Likewise.
5534 (objc_cls_refs_section): Likewise.
5535 * config/darwin.c (darwin_asm_output_anchor): New
5536 function.
5537 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5539 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5541 Fix PR tree-optimization/26443
5542 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5543 to todo and PROP_tmt_usage to properties_destroyed.
5544 * tree-ssa-ccp.c (pass_ccp): Ditto.
5545 (pass_store_ccp): Ditto.
5546 * tree-ssa-dom.c (pass_dominator): Ditto.
5548 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5550 * tree-ssa-operands.c: Cleanup whitespace.
5551 (get_asm_expr_operands): Move before first invocation.
5552 (get_indirect_ref_operands): Likewise.
5553 (get_tmr_operands): Likewise.
5554 (get_call_expr_operands): Likewise.
5555 (append_def): Likewise.
5556 (append_use): Likewise.
5557 (append_v_may_def): Likewise.
5558 (append_v_must_def): Likewise.
5559 (add_call_clobber_ops): Likewise.
5560 (add_call_read_ops): Likewise.
5561 (add_stmt_operand): Likewise.
5562 (add_virtual_operand): Likewise.
5563 (build_ssa_operands): Likewise.
5565 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5567 PR middle-end/26022
5568 Revert:
5569 PR middle-end/24437
5570 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5571 with a call expr to ...
5572 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5574 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5576 * tree-vrp.c (extract_range_from_assert): Remove special
5577 handling for types with super-types.
5579 2006-03-01 Ben Elliston <bje@au.ibm.com>
5581 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5582 and powerpc64-*-linux* configurations.
5583 * config/t-dfprules: New file.
5585 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5586 Compile dfp-bit.c from the source directory using -DWIDTH and
5587 $DFP_CFLAGS to control the compilation of that file, rather than
5588 generating width-specific versions in the build directory.
5589 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5590 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5592 2006-02-28 Zack Weinberg <zackw@panix.com>
5594 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5595 continues to work.
5597 2006-02-28 Eric Christopher <echristo@apple.com>
5599 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5600 Set up IN_LIBGCC definition of TARGET_64BIT.
5601 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5603 2006-02-28 Roger Sayle <roger@eyesopen.com>
5605 PR middle-end/14752
5606 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5607 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5608 cases via the construction of "expr != 0".
5610 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5612 * alias.c (alias_invariant, alias_invariant_size): Remove.
5613 (record_base_value): Remove.
5614 (memrefs_conflict_p): Don't look at alias_invariant.
5615 (end_alias_analysis): Don't free it.
5616 * alias.h (record_base_value): Remove prototype.
5618 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5619 Adam Nemet <anemet@caviumnetworks.com>
5621 * rtl.h (truncated_to_mode): Declare it.
5622 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5623 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5624 (RTL_HOOKS_INITIALIZER): Include it.
5625 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5626 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5627 reg_truncated_to_mode.
5628 * rtlanal.c (truncated_to_mode): Define it.
5629 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5631 2006-02-28 Jeff Law <law@redhat.com>
5633 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5634 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5635 the range allowed by TYPE_PRECISION.
5637 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5639 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5641 PR tree-optimization/26419
5642 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5643 values of n.
5645 2006-02-27 Zack Weinberg <zackw@panix.com>
5647 * doc/md.texi: Fix typo in previous change.
5649 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5651 * df.c: Remove.
5653 2006-02-27 Zack Weinberg <zackw@panix.com>
5655 * rtl.def (define_constraint, define_register_constraint)
5656 (define_memory_constraint, define_address_constraint): New MD forms.
5657 * gensupport.c (process_rtx): Put define_constraint etc on the
5658 predicate queue.
5659 * genpreds.c (process_define_predicate): Adjust comment. Validate
5660 the name, and call validate_exp to validate the expression.
5661 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5662 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5663 all callers changed.
5664 (validate_exp, needs_variable, struct constraint_data)
5665 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5666 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5667 (const_dbl_constraints, constraint_max_namelen)
5668 (have_register_constraints, have_memory_constraints)
5669 (have_address_constraints, have_address_constraints)
5670 (have_extra_constraints, have_const_int_constraints)
5671 (have_const_dbl_constraints, mangle, add_constraint)
5672 (process_define_constraint, process_define_register_constraint)
5673 (write_enum_constraint_num, write_lookup_constraint)
5674 (write_insn_constraint_len, write_regclass_for_constraint)
5675 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5676 (write_insn_extra_memory_constraint)
5677 (write_insn_extra_address_constraint)
5678 (write_satisfies_constraint_fns): New.
5679 (write_tm_preds_h): If we have new-style constraint definitions,
5680 prototype the functions generated from them, and define the
5681 old constraint interface (still used by generic code) in terms of
5682 those functions.
5683 (write_insn_preds_c): If we have new-style constraint definitions,
5684 generate all relevant functions from those definitions.
5685 (main): Handle define_constraint etc.
5686 * genoutput.c (struct constraint_data, indep_constraints)
5687 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5688 (mdep_constraint_len): New data structures and functions, defined
5689 #ifdef USE_MD_CONSTRAINTS.
5690 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5691 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5692 use new logic to validate operand constraints against constraint
5693 definitions.
5694 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5695 defined.
5696 * defaults.h: If none of the old-style constraint macros are
5697 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5698 old-style macros; and poison REG_CLASS_FROM_LETTER,
5699 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5700 EXTRA_CONSTRAINT.
5701 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5702 * doc/md.texi: Document new constraint-definition mechanism and the
5703 C interface it provides. Remove references to old mechanism
5704 elsewhere in the document.
5705 (Machine Constraints): Use pathnames relative to gcc directory,
5706 i.e. config/ARCH/FILE. Change i386 section to refer to
5707 config/i386/predicates.md; update that section to match docstrings.
5708 * doc/tm.texi: Move all documentation of the old constraint-
5709 definition macros to their own section, clearly mark as obsolete.
5711 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5712 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5713 definitions.
5714 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5715 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5716 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5717 constraint strings.
5718 (splits and peepholes): Use satisfies_constraint_*.
5719 * config/i386/i386.c (memory_address_length)
5720 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5722 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5724 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5725 scalar operation to be put back into the loop.
5727 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5729 PR other/26208
5730 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5731 (extract_cie_info): Handle S flag in augmentation string.
5732 (execute_cfa_program): If context->signal_frame, execute also
5733 fs->pc == context->ra instructions.
5734 (uw_frame_state_for): If context->signal_frame, don't subtract one
5735 from context->ra to find FDE.
5736 (uw_update_context_1): Set context->signal_frame to
5737 fs->signal_frame.
5738 (_Unwind_GetIPInfo): New function.
5739 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5740 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5741 of _Unwind_GetIP.
5742 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5743 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5744 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5745 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5746 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5747 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5748 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5749 x86_64_fallback_frame_state): Set fs->signal_frame.
5750 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5751 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5752 (frob_update_context): Likewise. Workaround missing S flag in
5753 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5754 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5755 Remove the psw_addr + 1 hack.
5757 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5759 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5760 with aggregates here.
5761 (find_func_aliases): Remove code for &<aggregate> from here.
5763 2006-02-26 Roger Sayle <roger@eyesopen.com>
5765 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5766 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5767 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5768 as (X & C) ne/eq 0.
5770 2006-02-26 Roger Sayle <roger@eyesopen.com>
5772 PR middle-end/19983
5773 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5775 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5777 * opts.c (decode_options): Do not handle flag_strength_reduce.
5778 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5779 and OPT_fstrength_reduce.
5780 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5781 flag_prefetch_loop_arrays for being nonzero.
5782 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5783 no-ops.
5784 (fprefetch-loop-arrays-rtl): Removed.
5785 (flag_prefetch_loop_arrays): Do not specify the value.
5787 * doc/passes.texi: Update documentation of loop optimizer
5788 passes.
5789 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5790 -frerun-loop-opt): Remove.
5792 2006-02-26 Richard Guenther <rguenther@suse.de>
5794 PR tree-optimization/26421
5795 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5796 in function calls that are ADDR_EXPRs as using the whole structure.
5798 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5800 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5801 * tree-pass.h (pass_loop_optimize): Remove.
5802 * passes.c (pass_loop_optimize): Never run it.
5803 * toplev.c (backend_init): Don't call init_loop.
5804 * opts.c (flag_loop_optimize_set): Remove.
5805 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5806 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5807 the old RTL loop optimizer when profiling enabled.
5808 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5809 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5810 pre-headers for the sake of the old RTL loop optimizer.
5811 * Makefile.in: Remove all references to loop.o.
5813 * doc/invoke.texi: Remove all references to -floop-optimize
5814 and -frerun-loop-opt.
5816 2006-02-26 Zack Weinberg <zackw@panix.com>
5818 * doc/md.texi (Machine Constraints): Refer to all files with paths
5819 relative to gcc directory (i.e. config/CPU/file). Add missing
5820 @table @code ... @end table to M32C subsection.
5822 2006-02-26 Roger Sayle <roger@eyesopen.com>
5824 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5825 (X & 1) == 0.
5826 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5828 2006-02-26 Roger Sayle <roger@eyesopen.com>
5829 James A. Morrison <phython@gcc.gnu.org>
5831 PR middle-end/21137
5832 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5833 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5834 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5835 signedness of the shift operation.
5837 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5839 PR tree-optimization/26359
5840 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5842 2006-02-25 Roger Sayle <roger@eyesopen.com>
5844 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5845 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5846 as X == 0, and some symmetry related transformations.
5847 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5849 2006-02-25 Roger Sayle <roger@eyesopen.com>
5851 PR middle-end/23673
5852 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5853 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5854 symmetry related transformations. Fold (X^C1) == C2 as
5855 X == (C1^C2).
5857 2006-02-25 Juergen Weigert <jw@suse.de>
5858 Richard Guenther <rguenther@suse.de>
5860 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5862 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5864 * combine.c (gen_lowpart_or_truncate): Call
5865 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5867 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5869 * doc/invoke.texi: Move -fopenmp description to "Options for
5870 Code Generation".
5871 Remove reference to -lgomp.
5873 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5875 * doc/install.texi: Require GNU tar version 1.14.
5877 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5879 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5880 * doc/invoke.texi (C++ Dialect Options): Document
5881 -fno-use-cxa-get-exception-ptr.
5882 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5883 * configure: Regenerate.
5884 * c.opt (fuse-cxa-get-exception-ptr): New.
5885 * c-opts.c (c_common_handle_option): Handle
5886 OPT_fuse_cxa_get_exception_ptr.
5887 * c-common.c (flag_use_cxa_atexit): Update documentation.
5888 (flag_use_cxa_get_exception_ptr): New.
5889 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5890 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5891 documentation.
5892 (C_COMMON_OVERRIDE_OPTIONS): New.
5894 2006-02-24 Roger Sayle <roger@eyesopen.com>
5896 PR middle-end/24952
5897 * combine.c (try_combine): Explicitly check whether GET_CODE is
5898 a SET or a CLOBBER, instead on checking that it isn't a USE.
5900 2006-02-24 Roger Sayle <roger@eyesopen.com>
5902 * fold-const.c (fold_comparison): New subroutine of fold_binary
5903 containing transformations common to both the equality and
5904 ordering relational operators, factored out of fold_binary.
5905 (fold_binary): Separate out the equality operators (EQ_EXPR
5906 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5907 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5908 transformations common to both.
5909 (fold_div_compare): Fix latent bugs in the previously unreachable
5910 LT_EXPR and GE_EXPR cases.
5912 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5914 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5915 decl libname for clog to __clog on AIX.
5917 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5919 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5921 PR target/26453
5922 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5923 output traceback table for thunks. Localise rs6000_stack_info call.
5925 2006-02-23 Roger Sayle <roger@eyesopen.com>
5926 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5928 * gthr-posix.h (__gthrw): Fix typo in comment.
5930 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5932 * doc/cpp.texi (Character sets): Document that we do support
5933 input files to be in any character set.
5935 2006-02-23 Jeff Law <law@redhat.com>
5937 * tree.h (PHI_ARG_NONZERO): Remove.
5938 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5939 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5940 node to the new node.
5942 PR tree-optimization/26425
5943 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5944 min/max, then assume its varying.
5946 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5948 PR rtl-optimization/26316
5949 * rtlanal.c (enum may_trap_p_flags): New.
5950 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5951 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5952 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5953 (may_trap_after_code_motion_p): New function.
5954 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5955 (find_invariant_insn): Use may_trap_after_code_motion_p.
5956 * rtl.h (may_trap_after_code_motion_p): Declare.
5958 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5960 * emit-rtl.c (immed_double_const): Cleanup.
5962 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5964 Fix PR tree-optimization/26376
5965 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5966 remove assert.
5968 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5970 PR middle-end/26412
5971 * gimplify.c (omp_add_variable): Guard variable size decl test with
5972 DECL_SIZE (decl) check.
5974 2006-02-23 Richard Guenther <rguenther@suse.de>
5976 PR middle-end/26439
5977 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5978 like aggregate types.
5980 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5982 * configure.ac: Add --with{,out}-long-double-128 configure option.
5983 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5984 * configure: Rebuilt.
5985 * config.in: Rebuilt.
5986 * doc/install.texi (Options specification): Document
5987 --with-long-double-128.
5989 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5990 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5991 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5992 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5994 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5996 * config/s390/s390.c (override_options): Handle
5997 TARGET_DEFAULT_LONG_DOUBLE_128.
5999 * config/alpha/alpha.c (override_options): Handle
6000 TARGET_DEFAULT_LONG_DOUBLE_128.
6002 * config/sparc/sparc.c (sparc_override_options): Handle
6003 TARGET_DEFAULT_LONG_DOUBLE_128.
6005 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6007 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6008 (real-install-headers-tar, real-install-headers-cpio)
6009 (real-install-headers-cp): New targets.
6011 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6013 * tree.h (variable_section): Delete.
6014 * varasm.c (variable_section): Delete.
6016 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6018 * install.texi: Add notes on install.texi2html.
6019 (Building in parallel): Do not use footnotes.
6021 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6023 PR libgomp/26234
6024 * doc/install.texi (Configuration): Document --disable-libgomp.
6026 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6028 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6030 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6032 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6033 (vec_extractv2df_0_sse): New.
6035 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6037 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6038 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6039 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6040 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6041 to the result of the expression.
6042 (def_cfa_1): Adjust.
6043 (frame_pointer_cfa_offset): Rename to...
6044 (frame_pointer_fb_offset): ... this. Adjust all uses.
6045 (convert_cfa_to_loc_list): Rename to...
6046 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6047 Pass it on to build_cfa_loc.
6048 (compute_frame_pointer_to_cfa_displacement): Rename to...
6049 (compute_frame_pointer_to_fb_displacement): ... this. New
6050 offset parameter. Use it in computation.
6051 (gen_subprogram_die): Compute cfa_fb_offset with the new
6052 macro, and use it to compute the fb loc list and the
6053 displacement.
6055 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6057 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6058 replaced with register_operand.
6059 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6060 non-DREG is expensive.
6061 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6062 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6063 involving memory.
6065 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6067 * doc/install.texi2html: Use set -e.
6069 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6071 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6072 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6073 * doc/invoke.texi (-fshared-data): Delete.
6074 * common.opt (fshared-data): Delete.
6075 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6076 (assemble_static_space): Remove #if 0 code.
6077 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6078 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6079 * config/cris/cris.h: Remove FIXME.
6081 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6083 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6084 hooks.
6086 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6088 PR middle-end/26379
6089 * combine.c (simplify_shift_const_1): Disable nested shifts
6090 optimization for vector shifts.
6092 2006-02-20 Roger Sayle <roger@eyesopen.com>
6094 PR tree-optimization/26361
6095 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6096 of unsigned integer types.
6098 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6100 * tree-chrec.c (eq_evolutions_p): New.
6101 * tree-chrec.h (eq_evolutions_p): Declared.
6102 * tree-data-ref.c: Fix formatting.
6103 (datadep_stats, dependence_stats): New.
6104 (gcd): Moved...
6105 (print_direction_vector): New.
6106 (dump_data_dependence_relation): Use print_direction_vector.
6107 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6108 (compute_subscript_distance): Static.
6109 (initialize_data_dependence_relation): Static. Get the number
6110 of loops surrounding the references from the callers, and initialize
6111 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6112 base_object_differ_p analyzers.
6113 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6114 compute_overlap_steps_for_affine_1_2,
6115 analyze_subscript_affine_affine): Count the classified dependences.
6116 Print a message when a test failed.
6117 (can_use_analyze_subscript_affine_affine): New.
6118 (analyze_siv_subscript): Compute the data dependences on symbolic
6119 scevs that verify can_use_analyze_subscript_affine_affine.
6120 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6121 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6122 Handle symbolic scevs.
6123 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6124 analyzed.
6125 (subscript_dependence_tester): Moved...
6126 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6127 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6128 DDR_SIZE_VECT instead of getting it in parameter.
6129 (subscript_dependence_tester): ... here. Take as a parameter
6130 loop_nest_depth. Call build_classic_dist_vector and
6131 build_classic_dir_vector.
6132 (compute_affine_dependence): Update subscript_dependence_tester
6133 parameters. Update datadep_stats counters. Call
6134 compute_subscript_distance.
6135 (compute_self_dependence): Save the dist and dir vectors. Call
6136 compute_subscript_distance.
6137 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6138 (compute_all_dependences): Reorder parameters as they were before
6139 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6140 compute_subscript_distance. Update the use of
6141 compute_affine_dependence and initialize_data_dependence_relation.
6142 (find_data_references_in_loop): Handle COMPONENT_REF.
6143 (compute_data_dependences_for_loop): Initialize dependence_stats.
6144 Don't call build_classic_dist_vector and build_classic_dir_vector.
6145 Update the parameters of initialize_data_dependence_relation and
6146 compute_all_dependences. Print the statistics from datadep_stats.
6147 (analyze_all_data_dependences): Static. Not used until the pass for
6148 checking the data dependences is contributed.
6149 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6150 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6151 (initialize_data_dependence_relation, compute_affine_dependence,
6152 analyze_all_data_dependences, compute_subscript_distance): Removed.
6153 (print_direction_vector): New.
6154 * lambda.h (gcd): ... here.
6155 (lambda_vector_gcd): Moved here from gcd_vector.
6156 * lambda-code.c (gcd, gcd_vector): Removed.
6157 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6158 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6160 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6162 * ipa-type-escape.c: Tidy some comments and white space.
6163 * tree-ssa-operands.c: Likewise.
6165 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6167 PR tree-opt/25879
6168 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6169 (dump_decl_name): Do not walk the decl tree chains.
6170 * tree-pass.h (TDF_CHAIN): Remove.
6172 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6174 * Makefile.in (C): Remove
6175 (PROTO): Remove
6176 (.PHONY): Remove C and PROTO
6178 2006-02-20 Roger Sayle <roger@eyesopen.com>
6180 PR middle-end/26236
6181 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6182 deprecated CHAR_TYPE tree code.
6184 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6186 * configure.ac (target_list): Add install-info, dvi, html.
6187 * configure: Regenerate.
6189 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6190 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6191 treelang/Make-lang.in: Do not use double-colon rules.
6193 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6195 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6196 (TMT_USED_ALONE): New macro.
6197 * tree-pass.h (PROP_tmt_usage): New property.
6198 (TODO_update_tmt_usage): New todo.
6199 * tree-ssa-alias.c (updating_used_alone): New variable.
6200 (recalculate_used_alone): New function.
6201 (compute_may_aliases): Set updating_used_alone, call
6202 recalculate_used_alone.
6203 * tree-sra.c (pass_sra): Note that this pass destroys
6204 PROP_tmt_usage, and add TODO_update_tmt_usage.
6205 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6206 * tree-flow.h (updating_used_alone): Prototype.
6207 (recalculate_used_alone): Ditto.
6208 * passes.c (execute_todo): Add code to set updating_used_alone,
6209 and call recalculate.
6210 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6211 for clobber if used alone, and add assert to verify used_alone
6212 status.
6214 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6216 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6217 for non tls symbols added.
6218 (legitimize_address): Do nothing for PLUS expressions if one of the
6219 addends is a tls symbol reference.
6221 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6223 PR bootstrap/25476
6225 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6227 * Makefile.in (BOOTSTRAPPING): New.
6228 (quickstrap): New definition if BOOTSTRAPPING=yes.
6230 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6231 * configure.ac: Substitute all_selected_languages with the languages
6232 that were configured. For all the other variables except
6233 lang_specs_files, include all the languages in the tree.
6234 * configure: Regenerate.
6236 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6237 if there is one. Run the commands to run fixincludes in the same
6238 subshell.
6240 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6241 * doc/install.texi: Document exact conventions for searching target tools.
6242 Document --with-build-time-tools. Document toplevel bootstrap. Document
6243 something more about building an Ada cross-compiler. Don't list GNU Make
6244 requirements which affect all platforms.
6246 2006-02-19 Roger Sayle <roger@eyesopen.com>
6248 PR middle-end/19543
6249 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6250 only equivalent if the have both the same mode and precision.
6252 2006-02-20 Ben Elliston <bje@au.ibm.com>
6254 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6256 2006-02-19 Roger Sayle <roger@eyesopen.com>
6257 Steven Bosscher <stevenb.gcc@gmail.com>
6259 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6260 constant pool references to identify stack mode constants.
6261 * rtlanal.c (constant_pool_constant_p): New predicate to check
6262 whether operand is a floating point constant in the pool.
6263 * rtl.h (constant_pool_constant_p): Prototype here.
6264 * loop.c (scan_loop): Avoid hoisting constants from the constant
6265 pool on STACK_REGS targets.
6266 (load_mems): Likewise.
6267 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6268 loads into x87 registers expensive in terms of register pressure.
6270 2006-02-19 Roger Sayle <roger@eyesopen.com>
6272 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6273 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6275 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6277 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6278 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6280 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6282 * doc/invoke.texi: Document -fipa-pta.
6283 * common.opt: Add ipa-pta option.
6284 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6285 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6286 (do_ds_constraint): Ditto.
6287 (get_constraint_for): Only add to referenced_vars if
6288 referenced_vars exists.
6289 (insert_into_field_list): Rewrite to do this unsorted.
6290 (insert_into_field_list_sorted): Rename old insert_into_field_list
6291 to this.
6292 (create_function_info_for): Use insert_into_field_list_sorted.
6293 (create_variable_info_for): Rewrite so it uses unsorted version,
6294 since the field list is sorted.
6295 (intra_create_variable_infos): Only add to referenced_vars if
6296 referenced_vars exists.
6297 (ipa_pta_execute): Init heapvars, and delete when done.
6298 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6300 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6302 * doc/install.texi: Add missing `@samp'.
6304 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6306 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6307 Use the arguments.
6309 2006-02-18 Mark Wielaard <mark@klomp.org>
6311 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6312 who added new 4.1 features, bug fixes and integration support.
6314 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6316 PR target/26350
6317 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6318 MEM for ABI_V4 pic.
6320 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6322 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6323 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6324 (copy_insn_1): Likewise. Don't copy each field individually.
6325 Reindent.
6326 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6327 of RTX_SIZE.
6328 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6329 * rtl.c (rtx_size): Rename variable to...
6330 (rtx_code_size): ...this.
6331 (rtx_size): New function.
6332 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6333 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6334 Reindent.
6335 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6336 * rtl.h (rtx_code_size): New variable.
6337 (rtx_size): Change from a variable to a function.
6338 (RTX_SIZE): Rename to...
6339 (RTX_CODE_SIZE): ...this.
6341 PR target/9703
6342 PR tree-optimization/17106
6343 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6344 (Anchored Addresses): New section.
6345 * doc/invoke.texi (-fsection-anchors): Document.
6346 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6347 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6348 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6349 * hooks.c (hook_bool_mode_rtx_false): New function.
6350 * hooks.h (hook_bool_mode_rtx_false): Declare.
6351 * gengtype.c (create_optional_field): New function.
6352 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6353 SYMBOL_REF_IN_BLOCK_P is true.
6354 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6355 (min_anchor_offset, max_anchor_offset): Likewise.
6356 (use_anchors_for_symbol_p): New hook.
6357 * toplev.c (compile_file): Call output_object_blocks.
6358 (target_supports_section_anchors_p): New function.
6359 (process_options): Check that -fsection-anchors is only used on
6360 targets that support it and when -funit-at-a-time is in effect.
6361 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6362 if the decl doesn't have one.
6363 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6364 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6365 of force_const_mem through use_anchored_address.
6366 (expand_expr_constant): New function.
6367 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6368 calling expand_expr for INDIRECT_REF.
6369 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6370 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6371 * expr.h (use_anchored_address): Declare.
6372 * loop-unroll.c: Don't declare rtx vectors here.
6373 * explow.c: Include output.h.
6374 (validize_mem): Call use_anchored_address.
6375 (use_anchored_address): New function.
6376 * common.opt (-fsection-anchors): New switch.
6377 * varasm.c (object_block_htab, anchor_labelno): New variables.
6378 (hash_section, object_block_entry_eq, object_block_entry_hash)
6379 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6380 (use_blocks_for_decl_p, change_symbol_section): New functions.
6381 (get_variable_section): New function, split out from assemble_variable.
6382 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6383 use_blocks_for_decl_p say so. Use change_symbol_section if the
6384 symbol has already been created.
6385 (assemble_variable_contents): New function, split out from...
6386 (assemble_variable): ...here. Don't output any code for
6387 block symbols; just pass them to place_block_symbol.
6388 Use get_variable_section and assemble_variable_contents.
6389 (get_constant_alignment, get_constant_section, get_constant_size): New
6390 functions, split from output_constant_def_contents.
6391 (build_constant_desc): Create a block symbol if use_object_blocks_p
6392 says so. Or into SYMBOL_REF_FLAGS.
6393 (assemble_constant_contents): New function, split from...
6394 (output_constant_def_contents): ...here. Don't output any code
6395 for block symbols; just pass them to place_section_symbol.
6396 Use get_constant_section and get_constant_alignment.
6397 (force_const_mem): Create a block symbol if use_object_blocks_p and
6398 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6399 (output_constant_pool_1): Add an explicit alignment argument.
6400 Don't switch sections here.
6401 (output_constant_pool): Adjust call to output_constant_pool_1.
6402 Switch sections here instead. Don't output anything for block symbols;
6403 just pass them to place_block_symbol.
6404 (init_varasm_once): Initialize object_block_htab.
6405 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6406 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6407 (place_block_symbol, get_section_anchor, output_object_block)
6408 (output_object_block_htab, output_object_blocks): New functions.
6409 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6410 (TARGET_ASM_OUT): Include it.
6411 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6412 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6413 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6414 (TARGET_INITIALIZER): Include them.
6415 * rtl.c (rtl_check_failed_block_symbol): New function.
6416 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6417 (block_symbol, object_block): New structures.
6418 (rtx_def): Add a block_symbol field to the union.
6419 (BLOCK_SYMBOL_CHECK): New macro.
6420 (rtl_check_failed_block_symbol): Declare.
6421 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6422 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6423 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6424 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6425 * output.h (output_section_symbols): Declare.
6426 (object_block): Name structure.
6427 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6428 (default_use_anchors_for_symbol_p): Declare.
6429 * Makefile.in (RTL_BASE_H): Add vec.h.
6430 (explow.o): Depend on output.h.
6431 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6432 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6433 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6434 (rs6000_use_blocks_for_constant_p): New function.
6436 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6438 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6440 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6442 PR tree-opt/25680
6443 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6444 IMAGPART_EXPR.
6446 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6448 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6449 is_aliased.
6450 Update all users.
6452 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6454 PR middle-end/26334
6455 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6456 instead of DECL_REGISTER.
6458 2006-02-18 Olivier Hainque <hainque@adacore.com>
6460 PR ada/13408
6461 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6463 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6465 PR target/24837
6466 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6467 * opth-gen.awk: Handle Var and InverseMask together.
6468 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6469 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6470 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6471 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6472 used together.
6473 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6474 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6475 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6476 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6477 LINUX_DYNAMIC_LINKER): Define.
6478 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6479 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6480 TARGET_GLIBC.
6481 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6482 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6483 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6484 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6485 (TARGET_C99_FUNCTIONS): Don't define.
6486 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6487 GLIBC_DYNAMIC_LINKER.
6488 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6489 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6490 GLIBC_DYNAMIC_LINKER64): Define.
6491 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6492 LINUX_DYNAMIC_LINKER64.
6493 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6494 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6495 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6496 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6497 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6498 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6499 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6500 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6501 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6502 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6503 and LINUX_DYNAMIC_LINKER32.
6504 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6505 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6506 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6507 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6508 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6509 TARGET_GLIBC.
6510 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6511 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6512 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6513 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6514 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6515 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6516 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6517 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6518 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6519 LINUX_DYNAMIC_LINKER): Define.
6520 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6521 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6522 GLIBC_DYNAMIC_LINKER64): Define.
6523 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6524 LINUX_DYNAMIC_LINKER64.
6525 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6526 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6527 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6528 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6529 LINUX_DYNAMIC_LINKER): Define.
6530 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6531 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6532 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6533 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6534 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6535 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6536 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6537 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6538 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6539 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6540 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6541 * doc/invoke.texi (-muclibc): Remove caveat about supported
6542 targets.
6544 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6546 * doc/cpp.texi (__TIMESTAMP__): Document.
6548 2006-02-17 Roger Sayle <roger@eyesopen.com>
6550 PR middle-end/25600
6551 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6552 C is one less than the width of X (and related transformations).
6553 * simplify-rtx.c (simplify_unary_operation_1): Transform
6554 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6555 depending on STORE_FLAG_VALUE, were C is one less then the
6556 width of X.
6558 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6560 Fix PR tree-optimization/26341
6561 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6562 about NAME_MEMORY_TAG's.
6564 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6566 PR target/26255
6567 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6568 with hardware float support, and software float support. Add fcpy
6569 alternative to hardware patterns. Add alternatives to copy between
6570 general and floating-point registers to the 32-bit pattern.
6571 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6572 secondary reload to load a QI or HI mode constant into a floating
6573 point register.
6574 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6575 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6577 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6579 PR target/26272
6580 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6581 pc to the pattern.
6582 (load_macho_picbase_di): Likewise.
6584 2006-02-16 Jeff Law <law@redhat.com>
6586 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6587 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6588 (ssa_name_nonzero_p): Likewise.
6589 (get_value_range): Return NULL if VRP is not running.
6590 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6591 VRP routines do not discover a range.
6592 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6593 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6594 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6595 (tree_expr_nonnegative_p): Similarly.
6596 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6597 (restore_nonzero_vars_to_original_value): Remove.
6598 (unsafe_associative_fp_binop): Remove.
6599 (tree_ssa_dominator_optimize): Remove initialization and
6600 finalization of nonzero_vars and nonzero_vars_stack.
6601 (dom_opt_initialize_block): No longer push marker on
6602 nonzero_vars_stack.
6603 (dom_opt_finalize_block): No longer call
6604 restore_nonzero_vars_to_original_value.
6605 (record_equivalences_from_phis): No longer look for
6606 nonzero PHI arguments.
6607 (cprop_into_successor_phis): No longer propagate nonzero
6608 property into PHI arguments. Lose unused argument. Caller
6609 updated.
6610 (record_equivalences_from_stmt): No longer record nonzero
6611 values for SSA_NAMEs.
6612 (lookup_avail_expr): No longer use nonzero_vars.
6614 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6615 for sizetype when sizetype is unsigned.
6617 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6619 PR rtl-optimization/25603
6620 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6621 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6622 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6623 with new meaning of SETS.
6625 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6627 PR target/20353
6628 PR target/24578
6629 PR target/24837
6630 * config/linux.opt: New file.
6631 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6632 LINUX_DYNAMIC_LINKER): Define.
6633 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6634 * config.gcc (*-*-linux*): Define extra_options.
6635 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6636 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6637 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6638 GLIBC_DYNAMIC_LINKER.
6639 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6640 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6641 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6643 * doc/invoke.texi (GNU/Linux Options): New section.
6645 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6647 * config/sparc/sparc.md (setjmp): Rewrite.
6648 (setjmp_32): Delete.
6649 (setjmp_64): Likewise.
6651 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6653 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6654 previous change.
6656 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6658 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6659 read-write uses.
6661 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6663 PR rtl-optimization/26296
6664 * Makefile.in (loop-invariant.c): Add except.h dependency.
6665 * loop-invariant.c: Include except.h.
6666 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6668 2005-02-16 Paul Brook <paul@codesourcery.com>
6670 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6671 for reloads.
6673 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6675 PR rtl-optimization/25636
6676 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6677 when deciding whether an insn is an initializing insn.
6679 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6681 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6682 (tree_code_size): Ditto.
6683 * tree.h (struct tree_memory_tag): Remove parent_var.
6684 (struct tree_struct_field_tag): New.
6685 (SFT_OFFSET): New.
6686 (SFT_SIZE): New.
6687 (union tree_node): Add sft member.
6688 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6689 specially here.
6690 (create_sft): Add size and offset argument, set SFT_OFFSET and
6691 SFT_SIZE.
6692 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6693 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6694 * tree-flow-inline.h (get_subvar_at): Update for
6695 SFT_OFFSET/SFT_SIZE.
6696 (var_can_have_subvars): Ditto.
6697 (overlap_subvar): Ditto.
6698 * print-tree.c (print_node): Print out interesting things for
6699 SFT's.
6700 * tree-flow.h (struct subvar): Remove offset and size members.
6701 * tree-ssa-operands.c (get_expr_operands): Update for
6702 get_indirect_ref_operands changes.
6703 (get_indirect_ref_operands): Call add_virtual_operand instead of
6704 add_stmt_operand. Only recurse on base var if requested.
6705 (access_can_touch_variable): New function.
6706 (add_stmt_operand): Split virtual operand handling into ...
6707 (add_virtual_operand): Here. Add offset, size, and for_clobber
6708 arguments. Prune alias sets.
6709 (add_call_clobber_ops): Call add_virtual_operand.
6711 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6713 PR middle-end/26300
6714 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6716 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6717 than TREE_CODE as index into omp_clause_num_ops array.
6719 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6721 PR rtl-optimization/26184
6722 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6723 uses_of_defs.
6724 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6725 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6726 must_precede, must_follow and tobe_scheduled.
6728 PR other/26147
6729 * opts.c (common_handle_option): Free new_option pointer.
6730 * df-core.c (df_analyze): Free postorder pointer.
6732 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6734 * Makefile.in: Fix the examples about the use of stamps
6736 2006-02-15 Michael Matz <matz@suse.de>
6738 PR middle-end/22275
6740 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6741 influenced by maximum_field_alignment or DECL_PACKED.
6742 (update_alignment_for_field): Ditto.
6743 (place_field): Ditto.
6744 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6745 this behaviour.
6747 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6749 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6750 (debug_flow_info): Pass it.
6751 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6752 * bb-reorder.c (reorder_basic_blocks): Likewise.
6753 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6754 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6755 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6756 * gcse.c (gcse_main, bypass_jumps): Likewise.
6757 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6758 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6759 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6760 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6761 * rtl.h (dump_flow_info): Adjust prototype.
6762 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6763 * var-tracking.c (variable_tracking_main): Likewise.
6764 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6765 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6766 options.
6768 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6770 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6771 construction.
6773 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6775 PR tree-optimization/26209
6776 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6777 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6778 eh edges.
6779 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6781 2006-02-14 Roger Sayle <roger@eyesopen.com>
6783 PR middle-end/23670
6784 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6785 (X,Y) and the corresponding symmetry related transformations.
6786 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6787 (X,Y) and its symmetry related transformations.
6789 2006-02-14 Roger Sayle <roger@eyesopen.com>
6791 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6792 and GEU.
6794 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6796 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6798 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6800 PR bootstrap/26053
6801 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6802 support COMDAT group.
6803 * configure: Regenerate.
6805 2006-02-14 Roger Sayle <roger@eyesopen.com>
6807 PR middle-end/26279
6808 PR middle-end/26280
6809 PR middle-end/26283
6810 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6812 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6814 Fix PR tree-optimization/26260
6816 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6817 param.
6818 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6819 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6820 * tree-ssa-structalias.c (create_variable_info_for): Use
6821 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6823 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6825 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6826 Document.
6827 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6828 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6829 of the ending condition.
6830 * tree-ssa-loop-manip.c: Include params.h.
6831 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6832 tree_unroll_loop): New functions.
6833 * tree-pass.h (pass_loop_prefetch): Declare.
6834 * loop.c (rest_of_handle_loop_optimize): Test for
6835 -fprefetch-loop-arrays-rtl.
6836 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6837 * timevar.def (TV_TREE_PREFETCH): New timevar.
6838 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6839 pass_loop_prefetch): New.
6840 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6841 (cleanup_tree_cfg_loop): Call scev_reset.
6842 * common.opt (fprefetch-loop-arrays-rtl): Add.
6843 * tree-ssa-loop-prefetch.c: New file.
6844 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6845 (new_temp_expr_table): Initialize expr_vars.
6846 (free_temp_expr_table): Cleanup expr_vars.
6847 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6848 expressions from being merged into one.
6849 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6850 (struct tree_niter_desc): Add control, bound and cmp fields.
6851 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6852 Declare.
6853 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6854 (tree-cfgcleanup.o): Add SCEV_H dependency.
6855 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6856 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6858 2006-02-14 Richard Guenther <rguenther@suse.de>
6860 PR tree-optimization/26258
6861 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6862 in PHI argument processing.
6864 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6866 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6867 new expression in the requested machine mode.
6869 2006-02-13 Roger Sayle <roger@eyesopen.com>
6871 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6872 directly, instead let do_compare_rtx_and_jump handle this for us.
6873 * expr.c (expand_expr_real_1): Likewise.
6874 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6875 before do_jump_by_parts_greater.
6876 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6877 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6879 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6881 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6883 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6885 PR rtl-optimization/26235
6886 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6887 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6888 format.
6890 2006-02-13 Jeff Law <law@redhat.com>
6892 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6893 TRUTH_XOR_EPR.
6895 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6897 PR middle-end/26092
6898 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6899 twice if decl is a builtin. When trying again, call get_callee_fndecl
6900 first to verify it is still a builtin.
6902 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6904 * dwarf2out.c (base_type_die): Don't add AT_name here.
6905 (subrange_type_die): Don't add AT_name here.
6906 (modified_type_die): Rearrange code flow. Do add AT_name here.
6908 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6910 PR rtl-optimization/26247
6911 PR rtl-optimization/26248
6912 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6914 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6916 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6917 * config/fixtfdi.c: Likewise.
6918 * config/fixunstfdi.c: Likewise.
6919 * config/floatditf.c: Likewise.
6921 2006-02-13 Roger Sayle <roger@eyesopen.com>
6923 PR middle-end/24427
6924 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6925 into (X,C2) if C1 is a subset of the bits of C2. Transform
6926 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6927 (X&(C1&~C2))|C2.
6928 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6930 2006-02-13 Josh Conner <jconner@apple.com>
6932 PR target/25376
6933 * varasm.c (function_section): Check for section name before
6934 calling select_section on targets that define
6935 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6936 unlikely_text_section instead of hot_function_section if
6937 first_function_block_is_cold.
6939 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6941 PR middle-end/25335
6942 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6944 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6946 PR rtl-optimization/26222
6947 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6948 after tree->rtl expansion.
6949 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6950 before passing it to emit_move_insn.
6952 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6954 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6955 default.
6956 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6957 Clarify documentation.
6958 * c-common.h (warn_write_strings): Remove.
6959 * c-common.c (warn_write_strings): Likewise.
6960 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6961 default for C++.
6963 2006-02-12 Roger Sayle <roger@eyesopen.com>
6965 PR middle-end/25724
6966 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6967 (do_jump_parts_zero_rtx): New function renamed from
6968 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6969 (do_jump_parts_equality_rtx): New function split out from
6970 do_jump_parts_equality. Old implementation renamed as above.
6971 Call do_jump_parts_zero_rtx if either operand is zero.
6972 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6973 do all of the heavy lifting.
6974 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6975 calling either do_jump_by_parts_greater_rtx or
6976 do_jump_by_parts_equality_rtx.
6977 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6978 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6979 moved to do_compare_rtx_and_jump, call it directly.
6980 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6981 mode argument. Call do_compare_rtx_and_jump.
6982 (emit_case_nodes): Update calls to do_jump_if_equal.
6984 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6986 PR rtl-optimization/26225
6987 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6989 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6991 PR rtl-optimization/26232
6992 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6994 2006-02-11 Jason Merrill <jason@redhat.com>
6996 PR tree-opt/24365
6997 * tree-inline.c (declare_return_variable): Just don't use the
6998 modify target if it's a gimple complex reg and the return slot
6999 isn't.
7001 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7003 * doc/contrib.texi: Update my entry.
7005 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7007 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7009 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7011 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7012 expensive.
7014 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7016 * doc/invoke.texi (-floop-optimize2): Removed.
7017 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7018 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7019 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7020 * common.opt (floop-optimize2): Removed.
7021 (fmove-loop-invariants): Enabled by default.
7023 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7025 * tree-if-conv.c (combine_blocks): Free the result of
7026 get_loop_exit_edges.
7028 2006-02-10 Jeff Law <law@redhat.com>
7030 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7032 PR tree-optimization/26213
7033 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7034 loop trying to follow SSA_NAME_VALUE chains.
7036 2006-02-10 Richard Guenther <rguenther@suse.de>
7038 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7039 deal with structures that end in implicitly variable sized arrays.
7041 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7043 PR rtl-optimization/24762
7044 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7045 eh edges.
7047 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7049 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7050 (struct ivopts_data): Add regs_used field.
7051 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7052 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7053 instead of loop_data->regs_used;
7054 (free_loop_data): Do not free aux fields for loops.
7055 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7056 and tree_ssa_iv_optimize_finalize.
7058 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7060 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7062 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7064 PR target/26141
7065 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7066 computing the effective result type.
7068 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7070 PR inline-asm/16194
7071 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7072 (tree_overlaps_hard_reg_set): Declare.
7073 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7074 type and signature to match function type expected by walk_tree.
7075 (tree_overlaps_hard_reg_set): New function.
7076 (decl_conflicts_with_clobbers_p): Rename to:
7077 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7078 Use tree_overlaps_hard_reg_set. Changed caller.
7079 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7080 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7081 * cris.c (cris_md_asm_clobbers): Likewise.
7083 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7085 * reload1.c (emit_input_reload_insns): Delete code that tries to
7086 inherit using find_equiv_reg.
7088 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7090 * c-common.h (flag_const_strings): Don't declare.
7091 * c-common.c (flag_const_strings): Remove.
7092 * c.opt (fconst_strings): Remove.
7093 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7094 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7095 (c_common_init_options): Don't set flag_const_strings.
7096 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7098 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7100 * arm.md (tlobits_cbranch): New pattern.
7101 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7102 testing a single bit.
7104 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7106 PR tree-opt/26179
7107 * tree-ssa-pre.c (create_component_ref_by_pieces):
7108 Handle RETURN_DECL like VAR_DECL.
7110 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7112 PR middle-end/26134
7113 * fold-const.c (fold_indirect_ref_1): Fold
7114 "*(foo *)&complexfoo" to "__real__ complexfoo"
7115 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7117 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7119 * tree-flow-inline.h (var_can_have_subvars):
7120 Volatile variables should not have subvariables.
7122 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7124 PR 26180
7125 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7126 multiplying unsigned values.
7127 Tidy comments.
7129 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7131 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7133 2006-02-08 Jason Merrill <jason@redhat.com>
7135 PR c++/25979
7136 * tree.def: Elaborate on difference from MODIFY_EXPR.
7137 * doc/c-tree.texi (INIT_EXPR): Likewise.
7138 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7139 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7140 (gimplify_target_expr): Likewise.
7141 (gimplify_cond_expr): Remove target handling.
7142 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7143 (gimplify_expr): Clobber it here.
7144 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7145 Do return slot optimization if we have an INIT_EXPR.
7147 PR tree-opt/24365
7148 * tree-inline.c (declare_return_variable): Also clear
7149 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7151 PR c++/16405
7152 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7154 PR middle-end/22439
7155 * gimplify.c (gimplify_one_sizepos): Fix typo.
7157 2006-02-08 Jeff Law <law@redhat.com>
7159 PR tree-optimization/21417
7160 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7161 across a backedge if the control statement at the end of the
7162 block is data dependent on other statements in the same block.
7163 (record_temporary_equivalences_from_stmts): Remove over-conservative
7164 test for threading across backedges.
7166 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7167 control statement, handle all three special cases in the same
7168 manner as they all have the same desired solution. No longer
7169 special case edge flag updating when the post dominator is
7170 the exit block.
7172 2006-02-08 Roger Sayle <roger@eyesopen.com>
7174 * tree.def (CHAR_TYPE): Remove.
7175 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7176 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7177 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7178 (gen_string_type_die): Delete unreachable function.
7180 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7181 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7182 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7183 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7184 * builtins.c (type_to_class): Likewise.
7185 * fold-const.c (fold_convert, build_range_check,
7186 merge_ranges): Likewise.
7187 * expr.c (count_type_elements): Likewise.
7188 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7189 * stor-layout.c (layout_type): Likewise.
7190 * ipa-type-escape.c (type_to_consider): Likewise.
7191 * gimplify.c (omp_firstprivatize_type_sizes,
7192 gimplify_type_sizes): Likewise.
7193 * explow.c (promote_mode): Likewise.
7194 * tree-sra.c (is_sra_scalar_type): Likewise.
7195 * varasm.c (output_constant): Likewise.
7196 * tree-inline.c (remap_type_1): Likewise.
7197 * convert.c (convert_to_pointer, convert_to_real,
7198 convert_to_integer, convert_to_complex): Likewise.
7200 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7202 * df-scan.c (df_def_record_1): A set destination may
7203 be a parallel regardless of mode.
7205 2006-02-08 Roger Sayle <roger@eyesopen.com>
7207 PR target/22209
7208 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7209 * config/mips/_tilib.c: Remove.
7210 * config/fixtfdi.c: New libgcc source file.
7211 * config/fixunstfdi.c: New source file.
7212 * config/floatditf.c: New source file.
7213 * config/floatunditf.c: New souce file.
7214 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7215 files above instead of config/mips/_tilib.c.
7216 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7218 2006-02-08 Jeff Law <law@redhat.com>
7220 PR tree-optimization/26169
7221 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7222 threading jumps.
7224 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7226 * df.h (DF_REG_SIZE): Return the length of the initialized
7227 part of the array.
7229 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7231 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7232 __muldf3): Return a correctly signed zero.
7234 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7236 * passes.c (register_one_dump_file): Accept the current properties
7237 instead of pass number. Adjust call to dump_register. Remove
7238 duplicated code.
7239 (register_dump_files): Now a wrapper around...
7240 (register_dump_files_1): ... this one. Do not modify the pass
7241 structure.
7242 (next_pass_1): Cosmetic fix.
7243 (execute_todo): Keep second parameter only. Use curr_properties
7244 instead of fetching it from the pass structure. Check and set
7245 last_verified.
7246 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7247 instead of fetching it from the pass structure. Fix calls to
7248 execute_todo. Update curr_properties and initialize .vcg RTL dump
7249 after running the pass. Reset last_verified.
7250 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7251 at the beginning.
7252 (FIRST_AUTO_NUMBERED_DUMP): New.
7253 (dump_register): Remove "num" parameter, assign it within the
7254 function.
7255 (get_dump_file_name): Modify template for dumps.
7256 * tree-dump.h (dump_register): Adjust prototype.
7257 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7258 (PROP_trees): Add PROP_gimple_lomp.
7259 (TODO_set_props): New.
7260 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7261 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7262 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7264 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7266 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7267 (sparc64-*-linux*): Likewise.
7268 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7269 * config/sparc/t-linux: New file.
7270 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7271 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7272 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7273 -m32 -mlong-double-128.
7275 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7276 * config/alpha/t-linux: New file.
7277 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7279 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7280 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7281 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7282 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7283 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7284 (CPP_ARCH32_SPEC): Remove.
7286 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7288 PR tree-optimization/26145
7289 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7290 bbs pointer.
7292 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7294 PR target/26109
7295 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7296 >= 240000 when generating code for SOM runtime.
7297 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7298 to $$dyncall when generating code for SOM runtime..
7300 2006-02-07 Dirk Mueller <dmueller@suse.com>
7302 PR c++/18150
7303 * doc/invoke.texi (-Wsequence-point): Update documentation
7304 that -Wsequence-point is implemented for C++ as well.
7306 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7308 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7309 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7310 (LIB_SPEC): Likewise.
7311 * doc/invoke.texi (SPARC options): Document -pthread.
7313 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7315 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7316 PIC addresses.
7318 2006-02-07 Roger Sayle <roger@eyesopen.com>
7320 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7321 Correct comment describing BOOLEAN_TYPE.
7323 2006-02-07 Dirk Mueller <dmueller@suse.com>
7325 * c.opt: C++ frontend supports -Wdiv-by-zero.
7326 * c-opts.c (c_common_handle_option): Remove dead case.
7328 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7330 * configure.ac (TLS assembler check): Do not enable TLS by
7331 default on SPARC/Solaris before version 10.
7332 * configure: Regenerate.
7334 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7336 * doc/invoke.texi (xl-compat): Document conversion and support
7337 routine names.
7339 2006-02-07 Jeff Law <law@redhat.com>
7341 * tree-vrp.c (find_conditional_asserts): Update comments.
7342 (simplify_stmt_for_jump_threading): New.
7343 (identify_jump_threads, finalize_jump_threads): New.
7344 (vrp_finalize): Call identify_jump_threads.
7345 (execute_vrp): Call finalize_jump_threads.
7346 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7347 (vrp_element, vrp_data, vrp_element_p): Remove.
7348 (vrp_hash_elt, vrp_variables_stack): Remove.
7349 (vrp_hash, vrp_eq, record_range): Remove.
7350 (simplify_cond_and_lookup_avail_expr): Remove.
7351 (extract_range_from_cond): Remove.
7352 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7353 (simplify_stmt_for_jump_threading): New.
7354 (dom_thread_across_edge): New wrapper.
7355 (tree_ssa_dominator_optimize): No longer initialize or
7356 finalize any of the VRP datastructures. Remove iteration
7357 step and simplify as a result of removal of iteration step.
7358 (pass_dominator): Perform a cfg cleanup after DOM.
7359 (dom_opt_finalize_block): Use the new common routines
7360 for threading jumps. Simplify stack management slightly.
7361 No longer need to unwind VRP state.
7362 (record_equivalences_from_incoming_edge): No longer record
7363 VRP information.
7364 (eliminate_redundant_computations): No longer call
7365 simplify_cond_and_lookup_avail_expr.
7366 * tree-flow.h (potentially_threadable_block): Prototype.
7367 (thread_across_edge): Likewise.
7368 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7369 (tree-ssa-threadedge.o): Add dependencies.
7370 * tree-ssa-threadedge.c: New file.
7371 * passes.c (init_optimization_passes): Merge PHIs before
7372 calling VRP. Run VRP again late in the SSA optimization pipeline.
7374 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7376 * df-core.c (df_set_blocks): Do not dereference function pointers.
7377 (df_finish1): Likewise.
7378 (df_hybrid_search_forward): Likewise.
7379 (df_hybrid_search_backward): Likewise.
7380 (df_iterative_dataflow): Likewise.
7381 (df_analyze_problem): Likewise.
7382 (df_compact_blocks): Likewise.
7383 (df_dump): Likewise.
7384 * df-scan.c (df_rescan_blocks): Likewise.
7385 (df_record_entry_block_defs): Likewise.
7387 * genconditions.c (write_conditions): Guard the definition of
7388 'insn_conditions' with the check on GCC version.
7389 (write_writer): Guard the traversal 'insn_conditions' with
7390 the check on GCC version.
7392 2006-02-07 Richard Guenther <rguenther@suse.de>
7394 PR c++/26140
7395 Revert
7396 2006-01-30 Richard Guenther <rguenther@suse.de>
7397 PR c++/23372
7398 * gimplify.c (gimplify_target_expr): Handle easy cases
7399 without creating a temporary.
7401 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7403 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7404 use of float in probability computations. Use edge probabilities
7405 in place of statically computed probabilities.
7406 (min_spec_prob): New static variable.
7407 (schedule_insns): Initialize it.
7408 (GET_SRC_PROB): Removed.
7409 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7411 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7413 PR debug/24444
7414 * config/ia64/unwind-ia64.c: Revert last change.
7415 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7416 (INCOMING_FRAME_SP_OFFSET): Define.
7418 2006-02-06 Roger Sayle <roger@eyesopen.com>
7420 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7422 2006-02-07 Ben Elliston <bje@au.ibm.com>
7424 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7425 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7426 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7427 (ix86_return_in_memory): Handle TDmode.
7428 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7429 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7431 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7433 * reorg.c (dbr_schedule): Use dump_file instead of file.
7435 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7437 PR target/25917
7438 * config/ia64/predicates.md (extr_len_operand): New predicate.
7439 * config/ia64/ia64.md (extv): Tighten constraints.
7440 (extzv): Ditto.
7441 (*tbit_and_2): Ditto.
7442 (*tbit_and_3): Ditto.
7443 (*tbit_or_2): Ditto.
7444 (*tbit_or_3): Ditto.
7445 (*bit_zero): Ditto.
7446 (*bit_one): Ditto.
7448 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7450 PR target/23359
7451 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7453 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7455 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7456 loop_optimizer_init and loop_optimizer_finalize
7457 * tree-ssa-sink.c (execute_sink_code): Ditto.
7458 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7459 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7460 tree_ssa_loop_done): Ditto.
7461 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7462 * sched-ebb.c: Include output.h.
7463 (schedule_ebbs): Do not use dump argument.
7464 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7465 * loop.c (loop_dump_stream): Removed.
7466 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7467 argument.
7468 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7469 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7470 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7471 loop_iterations, strength_reduce, record_biv, record_giv,
7472 final_giv_value, check_final_value, check_ext_dependent_givs,
7473 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7474 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7475 dump_file instead of loop_dump_stream.
7476 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7477 argument dump_file.
7478 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7479 dump argument.
7480 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7481 * haifa-sched.c: Include output.h
7482 (schedule_insns, sched_init): Do not use dump argument.
7483 * mode-switching.c (optimize_mode_switching): Ditto.
7484 * modulo-sched.c (stats_file): Removed.
7485 (print_node_sched_params): Do not call argument dump_file.
7486 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7487 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7488 of stats_file.
7489 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7490 use dump argument.
7491 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7492 rtl_loop_init, rtl_loop_done): Ditto.
7493 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7494 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7495 Ditto.
7496 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7497 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7498 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7499 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7500 * emit-rtl.c (renumber_insns): Ditto.
7501 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7502 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7503 * regclass.c (regclass): Ditto.
7504 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7505 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7506 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7507 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7508 Ditto.
7509 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7510 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7511 to regclass.
7512 * gcse.c (gcse_file, debug_stderr): Removed.
7513 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7514 rest_of_handle_gcse): Do not use dump argument.
7515 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7516 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7517 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7518 compute_code_hoist_vbeinout, compute_code_hoist_data,
7519 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7520 compute_store_table, build_store_vectors, insert_insn_start_bb,
7521 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7522 store_motion): Use dump_file instead of gcse_file.
7523 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7524 * profile.c (profile_dump_file): Removed.
7525 (branch_prob): Use dump_file instead of profile_dump_file.
7526 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7527 dump_file.
7528 * tree-ssa-copy.c (dump_copy_of): Ditto.
7529 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7530 dump file to life_analysis.
7531 * bt-load.c (branch_target_load_optimize): Ditto.
7532 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7533 renumber_insns.
7534 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7535 regclass, dbr_schedule): Declaration changed.
7536 * sched-int.h (sched_init): Declaration changed.
7537 * tree-profile.c (tree_profile_dump_file): Removed.
7538 (tree_profile_hooks): Removed profile_dump_file hook.
7539 * rtl-profile (rtl_profile_dump_file): Removed.
7540 (rtl_profile_hooks): emoved profile_dump_file hook.
7541 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7542 changed.
7543 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7544 * tree-cfg.c (build_tree_cfg): Ditto.
7545 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7546 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7547 Declaration changed.
7548 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7549 life_analysis and schedule_insns.
7550 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7551 life_analysis.
7552 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7553 dbr_schedule.
7554 * config/mips/mips.c (mips_reorg): Ditto.
7555 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7556 schedule_ebbs.
7558 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7560 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7561 (s390_mangle_fundamental_type): New.
7562 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7563 Define.
7565 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7566 (alpha_mangle_fundamental_type): New.
7567 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7568 Define.
7570 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7571 Define.
7572 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7573 Define.
7574 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7575 (sparc_mangle_fundamental_type): New.
7577 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7579 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7580 (s390x-*-linux*): Likewise.
7581 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7582 * config/s390/t-linux: New file.
7584 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7586 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7587 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7589 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7591 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7592 (ANTIC_SAFE_LOADS): New macro.
7593 (find_or_generate_expression): Add prototype.
7594 (set_contains_value): Allow null set for sake of not always having
7595 to allocate ANTIC_SAFE_LOADS.
7596 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7597 Allow COMPONENT_REF too.
7598 (valid_in_set): Allow COMPONENT_REF.
7599 Check ANTIC_SAFE_LOADS too.
7600 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7601 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7602 rename.
7603 (can_PRE_operation): Add COMPONENT_REF.
7604 (create_component_ref_by_pieces): New function.
7605 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7606 (insert_aux): Move AGGREGATE_TYPE_P check here.
7607 (compute_avail): Set bb local stmt uids.
7608 (pass_pre): Use TODO_update_ssa_only_virtuals.
7610 2006-02-06 Ben Elliston <bje@au.ibm.com>
7612 * configure.ac: Unconditionally disable decimal float by default.
7613 * configure: Regenerate.
7615 2006-02-06 Ben Elliston <bje@au.ibm.com>
7617 * read-rtl.c (read_name): Terminate reading on EOF.
7619 2006-02-06 Ben Elliston <bje@au.ibm.com>
7621 * dfp.c (decimal_real_arithmetic): Change second argument type
7622 from int to enum tree_code. Do not always return true, but now
7623 return result of any call to decimal_do helper functions.
7624 * dfp.h (decimal_real_arithmetic): Update prototype.
7626 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7628 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7630 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7632 PR tree-opt/25251
7633 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7634 forced labels.
7636 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7638 * tree-vrp.c (cfg_loops): Removed.
7639 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7640 Use current_loops instead of cfg_loops. Pass flags to
7641 loop_optimizer_init.
7642 * cfgloopmanip.c (fix_loop_structure): Update only available
7643 information.
7644 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7645 loop_optimizer_init.
7646 * modulo-sched.c (build_loops_structure): Removed.
7647 (sms_schedule): Use loop_optimizer_init.
7648 * loop-init.c (loop_optimizer_init): Use flags to determine
7649 which properties of loops to prepare.
7650 (rtl_loop_init): Pass flags to loop_optimizer_init.
7651 * tree-ssa-sink.c (execute_sink_code): Ditto.
7652 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7653 * tree-ssa-pre.c (init_pre): Ditto.
7654 * cfgloop.h (LOOPS_NORMAL): New.
7655 (loop_optimizer_init): Declaration changed.
7657 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7659 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7660 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7661 pa/t-pa.
7662 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7663 pa/t-pa.
7664 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7665 pa/x-ada.
7666 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7667 * pa/t-pa64: Delete quadlib.c rule.
7668 * pa/x-ada: Revert last change.
7669 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7671 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7673 PR rtl-optimization/26087
7674 * rtlanal.c (canonicalize_condition): Do not cross basic block
7675 boundaries.
7677 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7679 PR debug/24444
7680 * config/ia64/ia64.c: Include debug.h.
7681 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7682 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7683 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7684 (process_epilogue, process_set, process_for_unwind_directive):
7685 Output unwind info only if requested. Add CFA info if requested.
7686 Add new arguments as needed. Adjust callers.
7687 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7688 incorrect default.
7689 (DWARF2_FRAME_INFO): Define to zero.
7690 * config/ia64/unwind-ia64.c: Remove code that compensated for
7691 the CFA offset error fixed above.
7692 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7693 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7694 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7695 -funwind-tables and -fexceptions to enable frame info.
7696 (dwarf2out_frame_init): Define initial CFA even if
7697 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7698 DWARF2_UNWIND_INFO is nonzero, not just defined.
7699 (dwarf2out_frame_finish): Output non-EH call frame info only
7700 if DWARF2_FRAME_INFO is nonzero.
7701 (convert_cfa_to_loc_list,
7702 compute_frame_pointer_to_cfa_displacement): Define even if
7703 unwind info is not supported.
7704 (gen_subprogram_die): Use the above unconditionally. Remove
7705 legacy alternate code.
7706 * toplev.c (compile_file): Compile in call to
7707 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7708 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7710 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7711 Jakub Jelinek <jakub@redhat.com>
7713 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7714 IBM extended float format long double as "g" on powerpc*-linux.
7716 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7718 PR target/25926
7719 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7720 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7722 2006-02-03 Jason Merrill <jason@redhat.com>
7724 PR c++/25979
7725 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7727 PR middle-end/25977
7728 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7729 on the return slot if it's an NRV.
7731 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7733 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7734 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7735 rewrite_use): Do not handle USE_OUTER.
7736 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7737 add_iv_outer_candidates, may_replace_final_value,
7738 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7739 (find_interesting_uses_op): Functionality of
7740 find_interesting_uses_outer_or_nonlin moved here.
7741 (find_interesting_uses_outside): Use find_interesting_uses_op.
7743 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7745 PR target/25960
7746 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7748 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7749 Ulrich Weigand <uweigand@de.ibm.com>
7751 PR target/25864
7752 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7753 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7754 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7755 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7756 and dxr fields.
7757 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7758 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7759 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7760 Define secondary reloads for TFmode moves.
7761 (constant_modes): Add TFmode.
7762 (NR_C_MODES): Set to 8.
7763 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7764 builtin define.
7765 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7766 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7767 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7768 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7769 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7770 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7771 (FPR mode macro): Add TFmode.
7772 (DSF mode macro): New.
7773 (<de>, <dee> mode attributes): Removed.
7774 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7775 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7776 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7777 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7778 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7779 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7780 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7781 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7782 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7783 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7784 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7785 "*negabs<mode>2", "sqrt<mode>2"):
7786 Changed <de> to <xde>. R constraint replaced by <Rf>.
7787 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7788 <Rf>.
7789 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7790 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7791 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7792 splitters.
7793 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7794 "extenddftf2", "extendsftf2"): New expanders.
7795 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7796 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7797 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7798 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7799 New options.
7800 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7801 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7802 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7803 __floatditf): Add a GCC_4.1.0 symbol version tag.
7804 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7805 the new options.
7807 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7809 PR target/25377
7810 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7811 Use targetm.binds_local_p instead of TREE_PUBLIC.
7813 2006-02-02 Roger Sayle <roger@eyesopen.com>
7815 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7816 on INTEGER_TYPEs to indicate that it denotes a character type.
7817 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7818 signed_char_type_node, unsigned_char_type_node and char_type_node.
7819 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7820 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7821 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7823 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7824 Daniel Berlin <dberlin@dberlin.org>
7826 * tree-tailcall.c (arg_needs_copy_p): New function.
7827 (eliminate_tail_call): Use arg_needs_copy_p.
7828 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7829 (add_virtual_phis): New function.
7831 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7833 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7834 #ignore instead of #scratch for %g7 .register directive.
7836 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7838 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7839 object files.
7841 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7843 * flow.c (calculate_global_regs_live): Assert that there aren't any
7844 EDGE_FAKE edges.
7846 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7848 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7849 what its name says.
7850 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7851 bsi_after_labels iterator.
7852 * tree-if-conv.c (find_phi_replacement_condition,
7853 replace_phi_with_cond_modify_expr): Likewise.
7854 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7855 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7857 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7859 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7861 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7863 PR 25990
7864 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7865 array after growing it.
7867 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7869 PR middle-end/24901
7870 * fold-const.c (fold_checksum_tree): Change type of buf.
7872 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7874 * reload.c (push_secondary_reload): Initialize t_icode.
7876 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7878 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7879 -msoft-float -mlong-double-128 only issue a warning, but don't
7880 swich to DFmode long double.
7882 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7884 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7885 has a constant equivalent, iterate over equivalents for arg0,
7886 calling simplify_relational_operation and if there's a result
7887 cheaper than X, apply fold_rtx and return the result.
7889 2006-02-01 Jan Hubicka <jh@suse.cz>
7891 * opts.c (no_unit_at_a_time_default): New global variable.
7892 (decode_options): Use it.
7893 * opts.h (no_unit_at_a_time_default): Declare.
7895 2006-02-01 Paul Brook <paul@codesourcery.com>
7897 * function.c (assign_parm_setup_reg): Use function argument promotion
7898 rules.
7899 * expr.c (expand_expr_real_1): Use function argument promotion rules
7900 for PARM_DECLs.
7902 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7904 * gcc.c (process_command): Change j to 'unsigned int'.
7906 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7908 PR middle-end/26001
7909 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7910 Use the corrected index for the character
7911 out of the string constant.
7913 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7915 * mode-switching.c (optimize_mode_switching): Fix size
7916 allocated for bb_info[n_entities].
7918 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7920 * gcc.c (main): Correct type that is allocated for
7921 explicit_link_files.
7923 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7925 * config/s390/s390.c (init_alignment_context): Set
7926 ALIAS_SET_MEMORY_BARRIER on the MEM.
7927 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7929 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7931 PR middle-end/25933
7932 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7933 dom_bbs pointer.
7934 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7935 call to tpa_init.
7937 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7939 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7940 * regrename.c: Ditto.
7941 * tree-ssa-loop-im.c: Ditto.
7942 * tree-dump.c: Ditto.
7943 * tree-complex.c: Ditto.
7944 * genrecog.c: Ditto.
7945 * tree-ssa-threadupdate.c: Ditto.
7946 * tracer.c: Ditto.
7947 * java/class.c: Ditto.
7948 * java/jcf-parse.c: Ditto.
7949 * java/resource.c: Ditto.
7950 * java/except.c: Ditto.
7951 * java/jvspec.c: Ditto.
7952 * java/jcf-write.c: Ditto.
7953 * java/jcf-path.c: Ditto.
7954 * java/gjavah.c: Ditto.
7955 * java/zextract.c: Ditto.
7956 * java/jcf-io.c: Ditto.
7957 * java/jcf.h: Ditto.
7958 * java/buffer.c: Ditto.
7959 * java/lang.c: Ditto.
7960 * java/parse-scan.y: Ditto.
7961 * java/lex.c: Ditto.
7962 * java/lex.h: Ditto.
7963 * cfgloopmanip.c: Ditto.
7964 * postreload-gcse.c: Ditto.
7965 * tree-ssa-loop-manip.c: Ditto.
7966 * postreload.c: Ditto.
7967 * tree-ssa-loop-ch.c: Ditto.
7968 * loop.c: Ditto.
7969 * ipa-cp.c: Ditto.
7970 * cppspec.c: Ditto.
7971 * diagnostic.c: Ditto.
7972 * final.c: Ditto.
7973 * genoutput.c: Ditto.
7974 * gcc.c: Ditto.
7975 * cfghooks.c: Ditto.
7976 * cfgloopanal.c: Ditto.
7977 * objc/objc-act.c: Ditto.
7978 * gcov.c: Ditto.
7979 * genextract.c: Ditto.
7980 * genautomata.c: Ditto.
7981 * pretty-print.c: Ditto.
7982 * genemit.c: Ditto.
7983 * cgraphunit.c: Ditto.
7984 * flow.c: Ditto.
7985 * df-scan.c: Ditto.
7986 * haifa-sched.c: Ditto.
7987 * dominance.c: Ditto.
7988 * dbxout.c: Ditto.
7989 * tree-ssa-loop-ivopts.c: Ditto.
7990 * df-core.c: Ditto.
7991 * mode-switching.c: Ditto.
7992 * modulo-sched.c: Ditto.
7993 * graph.c: Ditto.
7994 * ipa-pure-const.c: Ditto.
7995 * cse.c: Ditto.
7996 * fix-header.c: Ditto.
7997 * web.c: Ditto.
7998 * tree-stdarg.c: Ditto.
7999 * ipa-utils.c: Ditto.
8000 * loop-init.c: Ditto.
8001 * ipa-inline.c: Ditto.
8002 * cfganal.c: Ditto.
8003 * global.c: Ditto.
8004 * alloc-pool.c: Ditto.
8005 * dwarf2out.c: Ditto.
8006 * opts.c: Ditto.
8007 * genattrtab.c: Ditto.
8008 * tree-ssa-loop-ivcanon.c: Ditto.
8009 * predict.c: Ditto.
8010 * timevar.c: Ditto.
8011 * lcm.c: Ditto.
8012 * fortran/gfortranspec.c: Ditto.
8013 * regmove.c: Ditto.
8014 * local-alloc.c: Ditto.
8015 * langhooks.c: Ditto.
8016 * function.c: Ditto.
8017 * tree-vectorizer.c: Ditto.
8018 * gcse.c: Ditto.
8019 * ipa-type-escape.c: Ditto.
8020 * alias.c: Ditto.
8021 * tree-if-conv.c: Ditto.
8022 * profile.c: Ditto.
8023 * ipa.c: Ditto.
8024 * tree-data-ref.c: Ditto.
8025 * loop-unroll.c: Ditto.
8026 * treelang/treetree.c: Ditto.
8027 * calls.c: Ditto.
8028 * bt-load.c: Ditto.
8029 * ggc-common.c: Ditto.
8030 * except.c: Ditto.
8031 * coverage.c: Ditto.
8032 * cselib.c: Ditto.
8033 * tree-cfgcleanup.c: Ditto.
8034 * tree-ssa-pre.c: Ditto.
8035 * cfgcleanup.c: Ditto.
8036 * loop-invariant.c: Ditto.
8037 * loop-iv.c: Ditto.
8038 * ipa-prop.c: Ditto.
8039 * print-tree.c: Ditto.
8040 * conflict.c: Ditto.
8041 * ggc-page.c: Ditto.
8042 * sched-deps.c: Ditto.
8043 * regclass.c: Ditto.
8044 * tree-object-size.c: Ditto.
8045 * combine.c: Ditto.
8046 * bb-reorder.c: Ditto.
8047 * resource.c: Ditto.
8048 * var-tracking.c: Ditto.
8049 * cfgloop.c: Ditto.
8050 * df-problems.c: Ditto.
8051 * reg-stack.c: Ditto.
8052 * tlink.c: Ditto.
8053 * gccspec.c: Ditto.
8054 * sched-rgn.c: Ditto.
8055 * tree-ssa-structalias.c: Ditto.
8056 * tree-ssa-reassoc.c: Ditto.
8057 * config/darwin-c.c: Ditto.
8058 * config/darwin.c: Ditto.
8059 * config/arm/arm.c: Ditto.
8060 * cfgrtl.c: Ditto.
8061 * collect2.c: Ditto.
8062 * reload1.c: Ditto.
8064 2006-01-31 Nicolas Pitre <nico@cam.org>
8066 * arm.md (smaxsi3): Make aware of smax_m1.
8067 (smax_m1): New.
8069 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8071 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8073 2006-01-31 Richard Guenther <rguenther@suse.de>
8075 * doc/invoke.texi (-msselibm): Document.
8076 * target.h (expand_library_builtin): New target hook.
8077 * builtins.c (expand_builtin): Use expand_library_builtin.
8078 (default_expand_library_builtin): New function.
8079 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8080 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8081 (link_gcc_math_spec): Declare.
8082 (static_specs): Add link_gcc_math_spec.
8083 * expr.h (default_expand_library_builtin): Declare.
8084 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8085 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8086 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8087 * config/i386/i386.opt (msselibm): New target option.
8088 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8089 (ix86_init_sse_abi_builtins): New function.
8090 (ix86_expand_library_builtin): Likewise.
8091 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8092 (override_options): Handle error conditions wrt -msselibm.
8093 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8094 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8095 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8096 builtins.
8098 2006-01-31 Richard Guenther <rguenther@suse.de>
8099 Paolo Bonzini <bonzini@gnu.org>
8101 * doc/install.texi (--disable-libgcc-math): Document.
8103 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8105 * expr.h (expand_normal): new inline function.
8106 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8107 * dojump.c: use it.
8108 * dwarf2out.c: use it.
8109 * expr.c: use it.
8110 * calls.c: use it.
8111 * expmed.c: use it.
8112 * except.c: use it.
8113 * config/sparc/sparc.c: use it.
8114 * config/i386/i386.c: use it.
8115 * config/rs6000/rs6000.c: use it.
8116 * config/arm/arm.c: use it.
8117 * config/mips/mips.c: use it.
8118 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8120 2006-01-30 Roger Sayle <roger@eyesopen.com>
8122 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8123 argv to the appropriate type.
8125 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8127 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8128 unreachable code.
8130 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8132 PR target/26018
8133 * config/s390/s390.c (struct machine_function): New flag
8134 decomposed_literal_pool_addresses_ok_p.
8135 (s390_reorg): Set it before final stage of literal pool transforms.
8136 (s390_decompose_address): Only accept displacements of the form
8137 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8139 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8141 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8142 the comparison routine return.
8144 2006-01-30 Michael Matz <matz@suse.de>
8146 * global.c (find_reg): Only evict for global regs.
8147 Take n_refs into account and dump more info.
8149 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8151 PR target/14798:
8152 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8153 (pragma_trap, pragma_nosave_low_regs): Likewise.
8154 (current_function_anonymous_args): Likewise.
8155 (sh_deferred_function_attributes): New variable.
8156 (sh_deferred_function_attributes_tail): Likewise.
8157 (print_operand): For '@', look up trap_exit attribute.
8158 (calc_live_regs): Look up trapa_handler attribute. For trapa
8159 handlers, save/restore fpscr, but don't do any other
8160 interrupt-specific saves.
8161 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8162 Fix check for partially saved registers to check for SHmedia.
8163 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8164 (sh_output_function_epilogue): Don't clear any of the removed
8165 variables.
8166 (sh_insert_attributes): Don't check pragma_interrupt.
8167 Insert deferred attributes. Check that interrupt attribute is
8168 present for other attributes that require its presence.
8169 (sh_attribute_table): Add new attributes trapa_handler and
8170 nosave_low_regs.
8171 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8172 Don't check for pragma_interrupt. Don't store argument.
8173 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8174 (sh_deferred_function_attributes): Declare.
8175 (sh_deferred_function_attributes_tail): Likewise.
8176 * sh.md (sp_switch_1): Add operand. Change generator caller.
8177 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8178 (*return_i): Don't use when trap_exit attribute is in effect.
8179 (*return_trapa): New insn pattern.
8180 * sh-c.c: New file.
8181 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8182 setting c_target_objs and cxx_target_objs.
8183 * t-sh: Add rule for sh-c.o.
8185 2006-01-30 Richard Guenther <rguenther@suse.de>
8187 PR c++/23372
8188 * gimplify.c (gimplify_target_expr): Handle easy cases
8189 without creating a temporary.
8191 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8193 * vec.h (safe_grow): Remove duplicated line.
8195 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8197 PR 25874
8198 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8199 (expand_omp): ... here.
8200 (expand_omp_parallel): Only remove barriers for combined
8201 parallel+workshare constructs.
8203 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8205 Revert
8207 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8208 * tree.c (build_qualified_type): Chain the new type to the original
8209 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8210 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8211 (build_pointer_type_for_mode): Only return unqualified types.
8212 (build_reference_type_for_mode): Likewise.
8214 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8216 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8217 * Makefile.in (CXX_COMPAT_WARN): Define.
8218 * configure: Regenerate.
8220 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8222 PR tree-opt/25911
8223 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8224 to an if check.
8226 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8228 * toplev.c: Fix thinko.
8230 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8231 Marcin Dalecki <martin@dalecki.de>
8233 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8234 (push_srcloc): Use XNEW.
8235 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8237 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8239 * df-core.c (df_set_blocks): Deleted all variable.
8241 2006-01-28 Ian Lance Taylor <ian@airs.com>
8243 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8244 cgraph_output_pending_asms.
8246 2006-01-28 Zack Weinberg <zackw@panix.com>
8248 * c.opt: Add -W(no-)overlength-strings.
8249 * doc/invoke.texi: Document it.
8250 * c-opts.c (c_common_handle_option): -pedantic implies
8251 -Woverlength-strings, if not explicitly disabled already.
8252 (c_common_post_options): -Woverlength-strings defaults to off, and
8253 is always off for C++.
8254 * c-common.c (fix_string_type): Issue warning about strings longer
8255 than is portable only if warn_overlength_strings. Rearrange code
8256 a little for clarity.
8257 * configure.in: Check for -Wno-overlength-strings as well before
8258 enabling -pedantic in stage 1.
8259 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8260 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8262 * genconditions.c (write_header, write_one_condition)
8263 (write_conditions, write_writer): Consolidate very long strings
8264 that were broken up to fit in C89 portable limit. Don't use
8265 printf when fputs will do.
8267 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8269 * combine.c (simplify_comparison <AND>): Check
8270 TRULY_NOOP_TRUNCATION before start using a subreg.
8272 * config/mips/mips.md (*branch_zero<mode>,
8273 *branch_zero<mode>_inverted, *branch_equality<mode>,
8274 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8275 Remove mode check from comparisons.
8277 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8279 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8281 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8283 * expmed.c (const_mult_add_overflow_p): Remove.
8284 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8286 * recog.c (validate_replace_rtx_subexp): Remove.
8287 * recog.h: Remove the prototype for
8288 validate_replace_rtx_subexp.
8290 * integrate.h: Remove the prototype for
8291 copy_decl_for_inlining.
8292 * rtl.h: Remove the prototype for mark_constant_function.
8293 * tree-vectorizer.h: Remove the prototype for
8294 vect_strip_conversion.
8296 * modulo-sched.c (create_partial_schedule,
8297 free_partial_schedule, reset_partial_schedule): Make them
8298 static.
8300 * hooks.c (hook_bool_rtx_int_false): Remove.
8301 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8303 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8305 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8306 and -mlong-double-128 are incompatible.
8307 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8308 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8309 (TARGET_LIBGCC2_CFLAGS): Define.
8310 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8311 (TARGET_LIBGCC2_CFLAGS): Same.
8312 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8314 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8316 PR c/19606.
8317 * c-typeck.c (build_binary_op): Perform implicit casts of
8318 operands before shortening them.
8320 * cfgloopmanip.c (split_loop_bb): Remove.
8321 * cfgloop.h: Remove the prototype for split_loop_bb.
8323 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8324 * cfgloop.h: Remove the prototype for
8325 flow_loop_outside_edge_p.
8327 * emit-rtl.c (init_virtual_regs): Make it static.
8328 * function.h: Remove the prototype for init_virtual_regs.
8330 * recog.c (peephole2_optimize): Make it static.
8331 * recog.h: Remove the prototype for peephole2_optimize.
8333 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8335 * df-scan.c (df_record_entry_block_defs): Check if
8336 INCOMING_RETURN_ADDR_RTX is defined.
8338 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8339 Kenneth Zadeck <zadeck@naturalbridge.com>
8341 PR rtl-optimization/24762
8342 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8343 * targhooks.c (hook_void_bitmap): New hook prototype.
8344 * targhoohs.h (hook_void_bitmap): Ditto.
8345 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8346 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8347 * target.h (live_on_entry): New function pointer.
8348 * df-scan.c (df_all_hard_regs): Removed.
8349 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8350 (df_scan_free_internal): Added df->entry_block_defs.
8351 (df_scan_alloc): Ditto.
8352 (df_scan_dump): Ditto.
8353 (df_uses_record): Plumbed flag field properly thru calls.
8354 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8355 This part fixes PR24762.
8356 (df_bb_refs_record): Added code to make the frame and arg
8357 pointers live in EH blocks.
8358 (df_refs_record): Added call to df_record_entry_block_defs.
8359 (df_record_entry_block_defs): New function.
8360 * df-core.c: Added comments to describe new artifical defs.
8361 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8362 (entry_block_defs): New field in struct df.
8363 (df_all_hard_regs): Deleted.
8364 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8365 * df-problems.c (df_ru_bb_local_compute_process_def):
8366 Added code to handle artifical defs in the entry to a function.
8367 (df_ru_bb_local_compute): Ditto.
8368 (df_rd_bb_local_compute_process_def): Ditto.
8369 (df_rd_bb_local_compute): Ditto.
8370 (df_lr_bb_local_compute): Ditto.
8371 (df_ur_bb_local_compute): Ditto.
8372 (df_urec_bb_local_compute): Ditto.
8373 (df_chain_create_bb): Ditto.
8374 (df_ur_local_finalize): Removed entry.
8375 (df_urec_init): Ditto.
8376 (df_urec_local_finalize): Ditto.
8377 (df_ri_bb_compute): Added detection of last use of pseudos.
8378 * Makefile.in (df-scan.o): Updated dependencies.
8379 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8380 * config/mips/mips.c (mips_set_live_on_entry): Added.
8381 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8382 for target hook.
8383 * dce.c (marked_insn_p): Added code to handle artifical defs.
8385 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8387 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8388 intrinsic.
8389 (_mm_cvtsi128_si64): Likewise.
8390 (_mm_cvtsd_si64): Likewise.
8391 (_mm_cvttsd_si64): Likewise.
8392 (_mm_cvtsi64_sd): Likewise.
8393 (_mm_cvtsi64_si128): Likewise.
8394 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8395 (_mm_cvtsi64_m64): Likewise.
8396 (_m_to_int64): Likewise.
8397 (_mm_cvtm64_si64): Likewise.
8398 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8399 (_mm_cvttss_si64): Likewise.
8400 (_mm_cvtsi64_ss): Likewise.
8401 (_mm_cvtss_f32): Likewise.
8403 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8405 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8406 for pragma redefine_extname.
8408 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8410 PR target/25864
8411 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8412 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8413 -mno-minimal-toc to previous content.
8414 (bispecs): Remove goal.
8415 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8416 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8417 compatibility aliases on powerpc-*-*gnu*.
8418 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8419 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8420 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8421 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8422 (ldblspecs): New goal.
8423 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8424 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8425 _df_to_tf.
8426 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8427 L_sf_to_tf or L_df_to_tf is defined.
8429 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8430 Alan Modra <amodra@bigpond.net.au>
8432 PR target/25864
8433 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8434 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8435 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8436 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8437 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8438 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8439 (rs6000_override_options): Initialize rs6000_ieeequad.
8440 Initialize TFmode format to ibm_extended_format if not
8441 TARGET_IEEEQUAD.
8442 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8443 ieeelongdouble.
8444 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8445 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8446 (function_arg_advance): IBM long double passed in two FPRs, not
8447 split.
8448 (function_arg): IBM long double passed in FPRs.
8449 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8450 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8451 Only multireg GPR aligned.
8452 (rs6000_init_libfuncs): Enable IBM long double functions if not
8453 IEEEQUAD.
8454 (rs6000_generate_compare): Use IBM long double compare if not
8455 TARGET_IEEEQUAD.
8456 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8457 (TARGET_IEEEQUAD): Define.
8458 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8459 not TARGET_IEEEQUAD.
8460 * config/rs6000/rs6000.md: Enable TFmode patterns if
8461 !TARGET_IEEEQUAD.
8462 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8463 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8464 and -mlong-double-128 are incompatible.
8465 * doc/invoke.texi (-mabi): Collect options together. Add
8466 ibmlongdouble and ieeelongdouble.
8468 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8470 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8471 opaque type.
8472 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8473 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8474 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8475 * rtl.h (rtunion_def): Remove rt_ptr.
8476 (X0PTR): Delete.
8477 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8478 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8479 * config/i386/winnt.c (i386_pe_mark_dllexport)
8480 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8482 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8484 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8486 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8488 PR other/24829
8489 PR target/24831
8490 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8491 pthread_key_delete. From John David Anglin. gthrw-ify
8492 pthread_getunique_np only if it it's not a macro. Delete
8493 UNUSED macro.
8494 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8495 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8496 __gthread_objc_condition_signal, __gthread_key_delete): Add
8497 "__attribute__ ((__unused__))" to unused arguments.
8498 (__gthread_recursive_mutex_init_function): Add missing return.
8499 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8500 gthr-posix95.h: Use macro-based approach for name redirection
8501 on targets missing weakref.
8503 2006-01-26 Zack Weinberg <zackw@panix.com>
8505 * genconditions.c (write_header): In generated code, #ifdef out
8506 all includes and fake declarations, except includes of bconfig.h
8507 and system.h, unless GCC_VERSION >= 3001. Do not include
8508 gensupport.h in any case.
8509 (write_conditions): Generate a definition of struct c_test. Add
8510 a comment to the generated #endif.
8511 (write_one_condition): Escape backslashes in string too.
8512 (write_writer): Generated code must escape backslashes and quote
8513 marks (but not newlines) in the strings it writes.
8514 * Makefile.in (build/gencondmd.o): Update dependencies.
8516 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8518 PR target/25961
8519 * Makefile.in (insn-automata.o): Add header file dependencies.
8520 * genautomata.c: Add includes.
8522 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8524 PR target/25961
8525 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8527 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8529 * configure.ac: Expect target tools paths to be passed from the toplevel
8530 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8531 AS_SET_VAR_IF.
8532 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8534 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8536 PR c/25892
8537 * c.opt (Wpointer-sign): Init to -1.
8538 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8539 OPT_pedantic, to 0 otherwise.
8540 * doc/invoke.texi: Update.
8542 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8544 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8545 constants provided by 80387 instructions in the destination mode.
8547 2006-01-26 Richard Guenther <rguenther@suse.de>
8548 Andrew Pinski <pinskia@physics.uc.edu>
8550 PR tree-opt/21470
8551 partial PR tree-opt/17064
8552 * tree-ssa-structalias.c (intra_create_variable_infos):
8553 Create heap variables for incoming parameters if
8554 flag_argument_noalias > 1.
8555 (find_what_p_points_to): Look through default defs of
8556 parameter decls.
8558 2006-01-26 Jeff Law <law@redhat.com>
8560 PR ada/25900
8561 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8562 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8563 within the VR_RANGE, use the VR_RANGE as the result, not the
8564 VR_ANTI_RANGE.
8565 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8566 bounds for the type.
8568 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8570 * tree-ssa-alias.c (maybe_create_global_var): Change
8571 subvar walking to an assertion that we don't have subvar'd variables.
8573 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8575 PR C/25861
8576 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8577 Use a new variable, inner. PARM_DECLs are always non-weak.
8579 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8581 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8582 --disable-checking.
8584 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8586 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8588 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8590 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8591 (smax_insn, smin_insn, smax_0, smin_0): New.
8593 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8595 PR target/25947
8596 * config/cris/cris.c (cris_order_for_addsi3): New function.
8597 * config/cris/cris-protos.h: Prototype it.
8598 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8599 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8600 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8601 (split for "op.S1 [rx=rx+i],ry (swapped)")
8602 (split for "op(s|u).S1 [rx=rx+i],ry")
8603 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8604 Apply cris_order_for_addsi3 when generating addsi3 insns.
8606 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8608 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8609 (TREE_BLOCK): Add call to EXPR_CHECK.
8611 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8613 PR 25886
8614 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8615 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8616 (dump_omp_clauses): ... here.
8617 (dump_generic_node): Handle OMP_CLAUSE.
8618 * tree.c (omp_clause_num_ops): New.
8619 (omp_clause_code_name): New.
8620 (tree_code_size): Handle OMP_CLAUSE.
8621 (tree_size): Likewise.
8622 (make_node): Document handling of OMP_CLAUSE.
8623 (tree_node_structure): Handle OMP_CLAUSE.
8624 (omp_clause_check_failed): New.
8625 (omp_clause_range_check_failed): New.
8626 (omp_clause_operand_check_failed): New.
8627 (build_omp_clause): New.
8628 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8629 * tree.h (enum omp_clause_code): Declare.
8630 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8631 (OMP_CLAUSE_RANGE_CHECK): Define.
8632 (OMP_CLAUSE_ELT_CHECK): Define.
8633 (omp_clause_check_failed): Declare.
8634 (omp_clause_operand_check_failed): Declare.
8635 (omp_clause_range_check_failed): Declare.
8636 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8637 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8638 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8639 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8640 (OMP_CLAUSE_IF_EXPR): Likewise.
8641 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8642 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8643 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8644 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8645 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8646 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8647 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8648 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8649 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8650 (OMP_CLAUSE_CODE): Define.
8651 (OMP_CLAUSE_SET_CODE): Define.
8652 (OMP_CLAUSE_CODE): Define.
8653 (OMP_CLAUSE_OPERAND): Define.
8654 (struct tree_omp_clause): Declare.
8655 (union tree_node): Add field 'omp_clause'.
8656 * treestruct.def (TS_OMP_CLAUSE): Define.
8657 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8658 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8659 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8660 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8661 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8662 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8663 (OMP_CLAUSE): Define.
8664 * print-tree.c (print_node): Handle OMP_CLAUSE.
8665 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8666 * c-typeck.c: Likewise.
8667 * gimplify.c: Likewise.
8668 * c-omp.c: Likewise.
8669 * tree-nested.c: Likewise.
8670 * tree-inline.c: Likewise.
8671 * c-parser.c: Likewise.
8672 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8673 clauses.
8675 2006-01-25 Roger Sayle <roger@eyesopen.com>
8677 PR rtl-optimization/25703
8678 * combine.c (try_combine): Handle zero_extract and strict_low_part
8679 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8681 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8683 * global.c: Fix comment typos.
8685 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8687 PR target/25758
8688 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8689 Use output_addr_const instead of assemble_name.
8691 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8693 * Makefile.in (sched-vis.o): Update dependencies.
8694 * haifa-sched.c (sched_finish): Clear current_sched_info.
8695 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8696 (dump_flow_info): Call it.
8697 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8698 a slim RTL dump.
8699 * basic-block.h (dump_bb_info): Declare.
8700 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8701 option, and apply options only for dump files whose TDF_RTL,
8702 TDF_TREE, or TDF_IPA bits match.
8703 * rtl.h: Declare new functions exported from sched-vis.c.
8704 * sched-vis.c: Enable also if scheduling is not used.
8705 (print_value): Print the mode of registers if not inside scheduling.
8706 (print_insn): Make it work outside the scheduler. Beautify the output
8707 a bit.
8708 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8710 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8712 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8713 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8714 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8715 depending on the value of CONSTANT_POOL_ADDRESS_P.
8716 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8717 SYMBOL_REF_DECL.
8718 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8719 rather than SYMBOL_REF_DECL.
8720 (rtx_constant_pool): Remove const_rtx_sym_htab.
8721 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8722 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8723 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8724 Remove handling of const_rtx_sym_htab.
8725 (find_pool_constant): Delete.
8726 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8727 rather than find_pool_constant.
8728 (get_pool_constant_for_function): Delete.
8729 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8730 find_pool_constant.
8731 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8732 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8733 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8734 (SYMBOL_REF_CONSTANT): New macro.
8735 (get_pool_constant_for_function): Delete.
8736 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8737 rather than SYMBOL_REF_DECL.
8738 (i386_pe_mark_dllimport): Likewise.
8739 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8740 rather than SYMBOL_REF_DECL.
8741 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8742 (machopic_indirect_call_target): Likewise.
8744 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8746 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8748 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8750 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8752 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8754 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8756 2006-01-24 David Daney <ddaney@avtrex.com>
8758 PR java/25816
8759 * configure.ac (enable_tls): New enable option.
8760 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8761 * configure: Regenerate.
8762 * doc/install.texi (--enable-tls): Document new option.
8763 (--disable-tls): Ditto.
8765 2006-01-24 Richard Henderson <rth@redehat.com>
8767 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8768 * alias.c (true_dependence): Respect it.
8769 (canon_true_dependence, write_dependence_p): Likewise.
8770 * builtins.c (get_builtin_sync_mem): Set it.
8772 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8774 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8775 efficient way.
8777 2006-01-24 DJ Delorie <dj@redhat.com>
8779 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8780 for storing constants in single-bit bitfields.
8782 2006-01-25 Ben Elliston <bje@au.ibm.com>
8784 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8786 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8788 PR tree-opt/25860
8789 * tree-ssa-pre.c (phi_translate): Return NULL
8790 for AGGREGATE_TYPE's.
8792 2006-01-24 Zack Weinberg <zackw@panix.com>
8794 * genautomata.c (process_state_for_insn_equiv_partition):
8795 Use xcalloc for insn_arcs_array.
8796 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8797 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8799 2006-01-24 Richard Henderson <rth@redhat.com>
8801 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8802 update all callers.
8804 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8806 PR rtl-optimization/25890
8807 PR rtl-optimization/25905
8808 * combine.c (expand_compound_operation, expand_field_assignment):
8809 Fail if the bitfield's final position is out of bounds.
8811 2006-01-24 Ian Lance Taylor <ian@airs.com>
8813 PR middle-end/25930
8814 * cgraphunit.c (cgraph_output_in_order): Don't clear
8815 cgraph_asm_nodes until after asm strings have been output.
8817 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8819 * fix-header.c (read_scan_file): Add new parameter imultilib when
8820 calling register_include_chains.
8822 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8824 * omp-low.c: Update documentation.
8826 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8827 Daniel Berlin <dberlin@dberlin.org>
8829 PR tree-opt/25315
8830 PR tree-opt/25857
8831 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8832 return from the function.
8834 2006-01-22 Zack Weinberg <zackw@panix.com>
8836 * rtl.def (match_code): Add second argument.
8837 * genpreds.c (write_extract_subexp): New function.
8838 (write_match_code): Add path argument. Use write_extract_subexp.
8839 (write_predicate_expr): Pass path to write_match_code.
8840 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8841 not perform a mode test.
8842 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8843 a subexpression does not constrain the top-level code set.
8844 * read-rtl.c (read_rtx_variadic): New function.
8845 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8846 * doc/md.texi: Document new notation.
8847 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8848 (cmpsi_operand): ... here, using new notation.
8850 2006-01-22 Zack Weinberg <zackw@panix.com>
8852 * varray.c: Remove GENERATOR_FILE #ifdefs.
8854 2006-01-22 Zack Weinberg <zackw@panix.com>
8856 * genautomata.c (output_reserved_units_table): Emit nothing if
8857 description->query_units_num is zero. Remove extra blank line.
8858 (output_cpu_unit_reservation_p): Short circuit
8859 if description->query_units_num is zero.
8861 2006-01-22 Zack Weinberg <zackw@panix.com>
8863 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8864 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8865 nor any of the random handful of variables that used to be necessary
8866 when this program was linked with rtlanal.o. Prune set of forward
8867 function declarations.
8868 (struct attr_desc): Remove static_p field.
8869 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8870 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8871 (attr_string): Do not read the character one past the length of
8872 the string.
8873 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8874 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8875 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8876 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8877 (make_automaton_attrs): New.
8878 (main): Do not call into genautomata. Call local gen_bypass
8879 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8880 Remove special case for insn_alts.
8881 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8882 varray.h (leftover from previous change). Prune set of forward
8883 function declarations. Remove state_alts fields from all
8884 structures. Remove state_alts_table from struct automaton.
8885 Make everything except main static. Do not maintain num_dfa_decls.
8886 Do not maintain state_alts fields of various structures.
8887 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8888 (add_arc): Remove state_alts argument. All callers updated.
8889 (output_reserved_units_table): Emit #ifdef here...
8890 (output_tables): ...not here. Don't generate state_alts tables.
8891 (expand_automata): Don't generate attributes.
8892 (write_automata): Don't generate state_alts functions.
8893 (main): New function.
8894 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8895 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8896 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8897 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8898 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8899 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8900 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8901 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8902 Delete.
8903 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8904 * genattrtab.h: Delete file.
8905 * Makefile.in (OBJS-common): Add insn-automata.o.
8906 (insn-automata.o): New rule.
8907 (simple_generated_c): Add insn-automata.c.
8908 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8909 (genprogmd): Add automata.
8910 (build/genattrtab): Needs no extra objects nor libraries.
8911 (build/genautomata): Needs build/vec.o and -lm.
8913 2006-01-22 Zack Weinberg <zackw@panix.com>
8915 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8916 (output_dfa_max_issue_rate, locked_states_num): Delete.
8917 (struct automaton): Add locked_states field.
8918 (output_dead_lock_vect): Save number of locked states in
8919 automaton->locked_states. If it is zero, don't print anything.
8920 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8921 (output_internal_dead_lock_func): Only test the dead_lock_vect
8922 for automata that have locked states.
8923 (output_statistics): Always print the number of locked states for
8924 each automaton. Calculate total number of locked states here.
8925 (write_automata): Don't call output_dfa_max_issue_rate.
8926 * genattrtab.c: Define length_unit_log as a const variable.
8927 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8928 max_insn_queue_index const.
8929 * final.c (length_unit_log): Declare const.
8930 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8932 2006-01-22 Zack Weinberg <zackw@panix.com>
8934 * genautomata.c: Include vec.h, not varray.h.
8935 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8936 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8937 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8938 VEC_* macros operating on appropriately typed vectors, or to
8939 malloced arrays when the size is known in advance. Const-ify
8940 many char* variables and function arguments. No functional changes.
8941 * Makefile.in (build/varray.o): Delete rule.
8942 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8943 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8945 2006-01-22 Zack Weinberg <zackw@panix.com>
8947 * gensupport.c: Define get_insn_name and record_insn_name here.
8948 (read_md_rtx): Call record_insn_name as appropriate.
8949 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8950 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8951 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8952 record_insn_name.
8953 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8954 (BUILD_VARRAY): Delete.
8955 (genprognormal): Rename genprogmd. Fold in all programs from
8956 genprognoprint; also attrtab.
8957 (build/genattrtab): Just mention genautomata.o and varray.o.
8958 Reorganize a bit, add comments to make the categories clearer.
8960 2006-01-22 Zack Weinberg <zackw@panix.com>
8962 * genconditions.c (condition_table, add_condition): Delete.
8963 (write_conditions): Don't emit n_insn_conditions nor
8964 insn_elision_unavailable. Issue the gcc version #ifdef here,
8965 inside the table, with no #else clause ...
8966 (write_header): ...not here.
8967 (write_writer): New function.
8968 (main): Don't initialize condition_table. Use add_c_test.
8969 Call write_writer.
8970 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8971 files on the command line.
8972 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8973 Return -1 if there is no entry in the table, don't abort.
8974 (add_c_test, traverse_c_tests): New functions.
8975 * gensupport.h (insn_elision_unavailable, insn_conditions)
8976 (n_insn_conditions): Delete declarations.
8977 (add_c_test, traverse_c_tests): Declare.
8978 * read-rtl.c: Include gensupport.h.
8979 (read_conditions): New function.
8980 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8981 (read_rtx_1): If we get EOF when we were looking for an initial
8982 open paren, return 0. Call read_conditions when appropriate.
8983 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8984 dummy-conditions.o. Eliminate references to insn-conditions.o,
8985 or change them to build/gencondmd.o, as appropriate. Remove
8986 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8987 from $(simple_generated_c). For all files remaining in those
8988 two lists, add insn-conditions.md to the generator command line.
8989 Give insn-constants.h/s-constants their own rules. Add rules
8990 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8991 (build/read-rtl.o): Depend on gensupport.h.
8992 (genprognormal): Include preds.
8993 (genprogearly): Rename genprognoprint; only difference is now that
8994 they don't link with $(BUILD_PRINT).
8995 * dummy-conditions.c: Delete.
8997 2006-01-22 Zack Weinberg <zackw@panix.com>
8999 * genextract.c: Don't include insn-config.h. Do include vec.h.
9000 Declare vectors of int, char, and locstr.
9001 (locstr): New typedef.
9002 (struct extraction): Make all array fields into bare pointers.
9003 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9004 (insn_code_number): Delete.
9005 (accum_extract): New struct.
9006 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9007 (gen_insn): Take insn_code_number as an argument. Use an
9008 accum_extract structure instead of loading data directly into
9009 a struct extraction, and having to know how big it might get.
9010 (walk_rtx): Operate entirely on an accum_extract structure.
9011 (print_path): Avoid unnecessary use of printf.
9012 (print_header): New function, split out of main. Distinguish
9013 more carefully between an unrecognizable insn and an insn that
9014 has the code number of a define_expand.
9015 (main): Pass insn_code_number to gen_insn. Call print_header
9016 only after parsing. Avoid unnecessary use of printf.
9017 * Makefile.in (build/vec.o): New rule.
9018 (build/genextract): Depend on build/vec.o.
9019 (build/genextract.o): Don't depend on insn-config.h.
9021 2006-01-22 Zack Weinberg <zackw@panix.com>
9023 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9024 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9025 practical. Eliminate per-generator-program link rules.
9027 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9029 PR middle-end/24437
9030 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9031 with a call expr to ...
9032 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9034 2006-01-23 Richard Guenther <rguenther@suse.de>
9036 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9037 before make_edge with conditional EDGE_TRUE_VALUE.
9039 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9040 Jan Hubicka <jh@suse.cz>
9041 Richard Guenther <rguenther@suse.de>
9043 PR rtl-optimization/25654
9044 * cfgexpand.c (aggregate_contains_union_type): New function.
9045 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9046 for structure variables that contain a union type.
9048 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9050 * gengtype.c (new_structure): Return the structure.
9051 (create_option): Add an extra "next" argument.
9052 (create_field): New function.
9053 (adjust_field_rtx_def): Use create_option and create_field.
9054 Remove a now-unnecessary call to find_structure.
9055 (adjust_field_tree_def): Likewise.
9056 (note_yacc_type): Remove an unnecessary call to find_structure.
9057 * gengtype.h (new_structure): Return the structure.
9058 (create_option): Add an extra argument.
9059 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9060 (option): Adjust calls to create_option.
9062 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9064 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9066 2006-01-22 Paul Brook <paul@codesourcery.com>
9067 Peter Barada <peter@the-baradas.com>
9069 * config/m68k/m68k.md: Add Coldfire FPU support.
9070 Define FP mode macro and associated attributes.
9071 Use it for float mode patterns.
9072 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9073 (LIBCALL_VALUE): Use m68k_libcall_value.
9074 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9075 (m68k_function_value): Ditto.
9076 (emit_move_sequence): Ditto.
9077 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9078 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9079 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9080 (MULTILIB_EXCEPTIONS): Ditto.
9081 * config/m68k/m68k.opt: Add mcfv4e.
9082 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9083 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9084 (m68k_output_function_prologue): Save ColdFire FPU registers.
9085 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9086 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9087 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9088 ColdFire FPU registers.
9089 (m68k_libcall_value, m68k_function_value): New functions.
9090 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9091 (LIBCALL_VALUE): Use m68k_libcall_value.
9092 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9093 (MASK_COLDFIRE): Add MASK_CFV4E.
9094 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9095 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9096 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9097 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9098 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9099 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9100 * doc/invoke.tex: Document -mcfv4e on m68k.
9102 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9104 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9105 URL.
9107 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9109 PR c++/16190
9110 * c-opts.c (c_common_handle_option): Don't include
9111 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9112 * doc/invoke.texi (C++ Dialect Options): Document that
9113 -Wnon-virtual-dtor is no longer included in -Wall.
9115 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9117 * gcov.c (print_version), gcov-dump.c (print_version),
9118 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9119 dates.
9121 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9123 * df-scan.c (problem_SCAN): Added NULL reset function.
9124 (df_scan_reset_blocks): Added code to call reset block function
9125 (df_bb_refs_delete) Fixed comment.
9126 (df_insn_refs_delete): Made tolerant of deleting non existent info
9127 for dataflow problems that need to be reset.
9128 * df-core.c (df_set_blocks): Ditto.
9129 * df.h (struct df_problem): Added reset_fun.
9130 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9131 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9132 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9133 functions to clear out all references to def-use or use-def chains.
9135 2006-01-21 Ben Elliston <bje@au.ibm.com>
9137 * varasm.c (assemble_real): Initialise data array.
9139 2006-01-20 Paul Brook <paul@codesourcery.com>
9141 Merge from csl-arm-branch.
9142 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9143 * config/arm/arm.md (movdi): Force operands[1] to a register
9144 if we have a non-register source.
9145 (*arm_movdi, *movdf_soft_insn): Require that one of the
9146 operands be a register.
9147 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9148 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9150 2006-01-20 DJ Delorie <dj@redhat.com>
9152 * varasm.c (initialize_constant_valid_p): Allow pointers
9153 initialized from integer constants of lesser precision.
9154 (output_constant): Allow non-int-sized pointer modes to be
9155 initialized from integer constants.
9157 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9159 PR libstdc++/25524
9160 * cppdefault.h (struct default_include): Add multilib flag.
9161 * cppdefault.c (cpp_include_defaults): Set it.
9162 * c.opt (-imultilib): New option.
9163 * c-opts.c (imultilib): New.
9164 (c_common_handle_option): Handle -imultilib.
9165 (c_common_post_options): Likewise.
9166 * c-incpath.c (add_standard_paths, register_include_chains):
9167 Likewise.
9168 * c-incpath.h (register_include_chains): Add extra parameter.
9169 * gcc.c (do_spec_1): Generate -imultilib option.
9170 (The Specs Language): Update %I description.
9171 (process_command): Update copyright notice.
9172 * doc/cppopts.texi (-imultilib): Document.
9173 * doc/invoke.texi (-imultilib): Include in option summary.
9174 (%I): Update specs documentation.
9176 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9178 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9180 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9182 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9183 label numbers.
9185 2006-01-20 Richard Guenther <rguenther@suse.de>
9186 Steven Bosscher <stevenb.gcc@gmail.com>
9188 PR rtl-optimization/24626
9189 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9190 EDGE_TRUE_VALUE if in RTL mode.
9192 Revert
9193 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9194 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9196 2006-01-20 Dirk Mueller <dmueller@suse.com>
9198 PR c++/5520
9199 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9200 instead of a special NOP marker.
9201 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9202 NOP marker handling.
9203 * c-common.h (empty_body_warning): Add forward declaration.
9204 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9205 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9207 2006-01-20 Paul Brook <paul@codesourcery.com>
9209 * Makefile.in (lang_checks): Keep going if mkdir fails.
9211 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9213 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9214 be able to clean out basic block when not necessary.
9215 (df_scan_free): Fixed to properly delete information if df is
9216 unused before calling df_finish.
9217 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9218 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9219 or comment typos.
9220 (df_bb_refs_delete): New function.
9221 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9222 * df-core.c (df_set_blocks): Added code to properly clean out
9223 unused blocks if they are not part of the blocks to consider.
9224 Added additional null check.
9225 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9226 be able to clean out basic block when not necessary
9227 * df.h (df_free_bb_function): Ditto.
9228 (df_bb_refs_delete): New function.
9229 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9230 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9231 basic block parameter to be able to clean out basic block when not
9232 necessary.
9233 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9234 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9235 Fixed to properly delete information if df is unused before
9236 calling df_finish.
9238 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9240 PR rtl-optimization/25799
9241 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9242 Corrected confluence operator to remove bits from op2 before oring
9243 with op1 rather than removing bits from op1.
9244 (df_ru_transfer_function): Corrected test on wrong bitmap which
9245 caused infinite loop. Both of these problems were introduced in
9246 the dataflow rewrite.
9248 2006-01-19 DJ Delorie <dj@redhat.com>
9250 * reload1.c (find_reload_regs): Note the details of reload
9251 failures in the dump file.
9252 (spill_failure): Likewise.
9254 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9256 * loop-iv.c: Include df.h and hashtab.h.
9257 (enum iv_grd_result): New enum.
9258 (DF_REF_IV, DF_REF_IV_SET): New macros.
9259 (struct biv_entry): New.
9260 (df, bivs): New global variables.
9261 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9262 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9263 Removed.
9264 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9265 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9266 analyzed_for_bivness_p, record_biv): New functions.
9267 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9268 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9269 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9270 UD chains.
9271 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9272 analysed.
9273 (iv_number_of_iterations): Use new interface to iv analysis.
9274 * loop-unroll.c: Do not include varray.h.
9275 (analyze_iv_to_split_insn): Use new interface to iv
9276 analysis.
9277 * loop-unswitch.c (may_unswitch_on): Ditto.
9278 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9279 allocated.
9280 (df_bb_modify): Realloc tables to the new index.
9281 (df_find_use): New function.
9282 * df.h (df_find_use): Declare.
9283 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9284 outmode.
9285 * cfgloop.h (struct rtx_iv): Remove analysed field.
9286 (iv_get_reaching_def): Removed.
9287 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9288 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9289 (loop-iv.o): Add df.h and hashtab.h dependency.
9290 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9292 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9294 PR target/25668
9295 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9296 Double TFmode.
9297 (__floatundisf, __floatundidf): Likewise.
9298 * libgcc2.h (IS_IBM_EXTENDED): Define.
9300 2006-01-19 DJ Delorie <dj@redhat.com>
9302 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9304 2006-01-19 Paul Brook <paul@codesourcery.com>
9306 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9307 as nothrow when unwinding tables are disabled.
9309 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9311 PR testsuite/25171
9312 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9313 of bit-field" when in system header.
9315 2006-01-19 DJ Delorie <dj@redhat.com>
9317 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9318 the 16 bit shift limit of the m16c.
9320 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9322 PR target/22099
9323 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9324 * config/i386/i386.c (output_set_got): Output the label if we have one
9325 for the TARGET_DEEP_BRANCH_PREDICTION case.
9327 2006-01-19 Jan Hubicka <jh@suse.cz>
9328 H.J. Lu <hongjiu.lu@intel.com>
9329 Evandro Menezes <evandro.menezes@amd.com>
9331 * invoke.texi (generic): Document
9332 (i686) Update.
9333 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9334 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9335 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9336 (x86_use_incdec, x86_pad_returns): New variables
9337 (TARGET_CPU_DEFAULT_generic): New constant
9338 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9339 (enum processor_type): Add generic32 and generic64.
9340 * i386.md (cpu attribute): Add generic32/generic64
9341 (movhi splitter): Behave sanely when both partial_reg_dependency and
9342 partial_reg_stall are set.
9343 (K8 splitters): Enable for generic as well.
9344 * predicates.md (incdec_operand): Use TARGET_INCDEC
9345 (aligned_operand): Avoid memory mismatch stalls.
9346 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9347 * ppro.md: Enable for generic32
9348 * i386.c (generic64_cost, generic32_cost): New.
9349 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9350 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9351 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9352 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9353 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9354 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9355 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9356 x86_accumulate_outgoing_args, x86_prologue_using_move,
9357 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9358 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9359 Enable for generic.
9360 (x86_use_incdec, x86_pad_returns): New.
9361 (override_options): Add generic32 and generic64, translate "generic"
9362 to generic32/generic64 and "i686" to "generic32", refuse
9363 "generic32"/"generic64" as arch target.
9364 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9365 (ix86_reorg): Honor PAD_RETURNS.
9367 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9369 * tree-pretty-print.c (dump_generic_node): Handle
9370 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9371 * cgraph.c (cgraph_expand_queue): Rename from
9372 cgraph_analyze_queue. Update all users.
9373 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9374 cgraph_expand_queue.
9375 (cgraph_expand_all_functions): Likewise.
9376 (cgraph_finalize_pending_functions): Remove. Update callers.
9378 * tree.h (OMP_DIRECTIVE_P): Define.
9379 (OMP_PARALLEL_FN): Define.
9380 (OMP_PARALLEL_DATA_ARG): Define.
9381 (OMP_SECTIONS_SECTIONS): Define.
9382 * tree-pass.h (pass_expand_omp): Declare.
9383 * omp-low.c (struct omp_region): Declare.
9384 (struct omp_context): Remove fields 'parallel_type',
9385 'parallel_start_ix' and 'parallel_start_additional_args'.
9386 Update all users.
9387 (struct omp_for_data): Rename from struct expand_omp_for_data.
9388 (omp_regions): New static variable.
9389 (root_omp_region): New static variable.
9390 (find_omp_clause): Make static.
9391 (is_in_combined_parallel_ctx): Remove.
9392 (is_combined_parallel): New.
9393 (extract_omp_for_data): Move earlier in the file.
9394 (workshare_safe_to_combine_p): New.
9395 (get_ws_args_for): New.
9396 (determine_parallel_type): Move earlier in the file.
9397 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9398 child function.
9399 (omp_copy_decl): Likewise.
9400 (create_omp_child_function): Likewise.
9401 (lookup_omp_region): New.
9402 (dump_omp_region): New.
9403 (debug_omp_region): New.
9404 (debug_all_omp_regions): New.
9405 (new_omp_region): New.
9406 (scan_omp_parallel): If parallel_nesting_level > 1, the
9407 directive is nested within another parallel directive.
9408 Set OMP_PARALLEL_FN.
9409 (scan_omp_for): Do not try to handle combined parallel+for
9410 cases.
9411 Remove FIXME comment.
9412 (scan_omp_nested): Remove.
9413 (scan_omp_1): Do not call scan_omp_nested when
9414 parallel_nesting_level is > 1.
9415 Do not change the DECL_CONTEXT of local variables found.
9416 (lookup_decl_in_outer_ctx): New.
9417 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9418 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9419 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9420 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9421 If CTX is nested, lookup VAR in the outer context when
9422 building copy assignment.
9423 (lower_send_clauses): Rename from expand_send_clauses.
9424 If CTX is nested, lookup VAR in the outer context when
9425 building copy assignments.
9426 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9427 If CTX is nested, lookup VAR in the outer context when
9428 building copy assignments.
9429 (expand_parallel_call): Rename from build_parallel_call.
9430 Handle combined parallel+workshare cases.
9431 Re-implement to emit code into the CFG.
9432 (list2chain): New.
9433 (expand_omp_parallel): Re-implement to emit code into the CFG.
9434 Call move_sese_region_to_fn to outline the sub-graph
9435 containing the parallel region.
9436 (expand_omp_for_1): Remove.
9437 (expand_omp_for_generic): Re-implement to emit code into the
9438 CFG.
9439 (expand_omp_for_static_nochunk): Likewise.
9440 (expand_omp_for_static_chunk): Likewise.
9441 (expand_omp_for): Likewise.
9442 (expand_omp_sections): Likewise.
9443 (remove_exit_barriers): New.
9444 (expand_omp_synch): New.
9445 (expand_omp): New.
9446 (build_omp_regions_1): New.
9447 (build_omp_regions): New.
9448 (execute_expand_omp): New.
9449 (gate_expand_omp): New.
9450 (pass_expand_omp): Define.
9451 (lower_omp_sections): Rename from expand_omp_sections.
9452 Set OMP_SECTIONS_SECTIONS.
9453 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9454 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9455 (lower_omp_single): Rename from expand_omp_simple.
9456 (lower_omp_master): Rename from expand_omp_master.
9457 (lower_omp_ordered): Rename from expand_omp_ordered.
9458 (lower_omp_critical): Rename from expand_omp_critical.
9459 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9460 (lower_omp_for): Re-implement.
9461 (lower_omp_parallel): Re-implement.
9462 (lower_regimplify): Rename from expand_regimplify.
9463 (lower_omp_1): Rename from expand_omp_1.
9464 If there are syntax errors in the program, replace every
9465 OpenMP directive with NOP.
9466 Call lower_omp_* instead of expand_omp_*.
9467 (lower_omp): Rename from expand_omp.
9469 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9470 * tree-gimple.h (enum omp_parallel_type): Remove.
9471 (gimple_boolify): Declare extern.
9472 (find_omp_clause, determine_parallel_type): Remove.
9474 * gimple-low.c (lower_omp_directive): New.
9475 (lower_stmt): Call it.
9476 (record_vars_into): Move from ...
9477 (record_vars): ... here.
9478 Call record_vars_into with current_function_decl.
9480 * gimplify.c (struct gimplify_ctx): Remove fields
9481 combined_pre_p and combined_ctxp. Update users.
9482 (get_formal_tmp_var): Add documentation.
9483 (gimple_boolify): Make extern.
9484 (gimplify_expr_in_ctx): Remove. Update callers.
9485 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9486 will always be a BIND_EXPR.
9487 (gimplify_expr): Handle OMP_RETURN_EXPR.
9488 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9489 (OMP_PARALLEL): Add 3 operands.
9490 (OMP_SECTIONS): Add 1 operand.
9491 (OMP_RETURN_EXPR): Define.
9493 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9494 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9495 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9496 creating a circular free list.
9497 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9499 * tree-flow.h (move_sese_region_to_fn): Declare.
9500 (record_vars_into): Declare.
9501 * tree-cfg.c (make_omp_sections_edges): New.
9502 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9503 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9504 OMP_SECTIONS and OMP_SECTION.
9505 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9506 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9507 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9508 (gather_blocks_in_sese_region): New.
9509 (struct move_stmt_d): Declare.
9510 (move_stmt_r): New.
9511 (move_block_to_fn): New.
9512 (move_sese_region_to_fn): New.
9514 * passes.c (init_optimization_passes): Schedule
9515 pass_expand_omp after pass_init_datastructures.
9517 * tree-ssa-operands.c (get_expr_operands): Handle
9518 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9519 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9521 2006-01-19 Jeff Law <law@redhat.com>
9523 * tree-vrp.c (extract_range_from_assert): Refine the result range
9524 if the variable referenced by the ASSERT_EXPR has a range and
9525 either the tentative result range or the previous range is a
9526 VR_ANTI_RANGE.
9528 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9530 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9532 2006-01-19 Jan Hubicka <jh@suse.cz>
9534 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9536 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9538 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9539 (expand_compound_operation, expand_field_assignment): Fail if the
9540 bit lengths of an extract operation are out of range.
9541 (make_extraction): Compute wanted_inner_mode based on the position
9542 and length of the extraction. Make it extraction_mode for non-constant
9543 positions, and do not modify offset in that case. When generating a
9544 new MEM, use a mode that can hold the extraction while keeping correct
9545 alignment. Remove code that supported MEMs wrapped by USEs.
9546 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9548 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9550 * config/s390/s390.md ("Y", "y"): New mode attribute.
9551 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9552 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9553 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9554 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9555 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9556 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9557 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9558 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9559 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9560 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9561 "addsi3", "subsi3"): Insn patterns removed.
9562 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9563 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9564 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9565 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9566 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9567 "*sub<mode>3_cconly2"): New insn patterns.
9568 ("addsi3", "subsi3"): New expanders.
9570 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9572 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9573 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9574 existing STMT_VINFO_VECTYPE if available.
9575 (vect_mark_relevant): Add special handling for stmts that are
9576 marked as STMT_VINFO_IN_PATTERN_P.
9577 (vect_analyze_loop): Call vect_pattern_recog.
9578 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9579 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9580 stmt_info.
9581 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9582 (vect_recog_func_ptr): New function-pointer type.
9583 * tree-vect-patterns.c: New file.
9584 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9585 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9586 (vect_pattern_recog_1): New functions.
9587 (vect_pattern_recog_funcs): New array of function pointers.
9589 * tree-vectorizer.h (ternary_op): New enum value.
9590 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9591 declaration. Revised documentation. Removed redundant dump prints.
9592 Removed redundant argument. Added support for reduction patterns.
9593 (vectorizable_reduction): Added support for reduction patterns.
9594 (vect_transform_stmt): Added support for patterns.
9596 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9597 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9598 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9599 (expand_widen_pattern_expr): New function.
9600 (init_optabs): Initialize new optabs udot_prod_optab,
9601 sdot_prod_optab.
9602 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9603 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9604 (expand_widen_pattern_expr): New function declaration.
9605 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9606 tree-codes.
9607 * tree-inline.c (estimate_num_insns_1): Added cases for new
9608 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9609 * tree-pretty-print.c (dump_generic_node): Likewise.
9610 (op_prio): Likewise.
9611 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9612 * tree-ssa-operands.c (get_expr_operands): Added case for
9613 DOT_PROD_EXPR.
9614 * tree-vect-patterns.c (widened_name_p): New function.
9615 (vect_recog_dot_prod_pattern): Added function implementation.
9616 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9617 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9618 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9619 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9621 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9622 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9623 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9624 (init_optabs): Initialize new optabs widen_ssum_optab,
9625 widen_usum_optab.
9626 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9627 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9628 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9629 use instead of type of def.
9630 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9631 function implementation.
9632 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9633 widen_ssumv8hi): New.
9635 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9636 patterns.
9638 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9640 PR c/25805
9641 * c-decl.c (add_flexible_array_elts_to_size): New function.
9642 (finish_decl): Use it.
9644 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9646 * diagnostic.h: Include options.h.
9647 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9648 dependancies for diagnostic.h.
9649 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9651 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9653 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9654 (ssa_ro_call_cache_valid): Ditto.
9655 * tree-ssa-alias.c (sort_tags_by_id): New function.
9656 (init_transitive_clobber_worklist): Ditto.
9657 (add_to_worklist): Ditto.
9658 (mark_aliases_call_clobbered): Ditto.
9659 (compute_tag_properties): Ditto.
9660 (set_initial_properties): Ditto.
9661 (compute_call_clobbered): Ditto.
9662 (compute_may_aliases): Call compute_call_clobbered and grouping.
9663 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9664 (compute_flow_insensitive_aliasing): Grouping now happens in our
9665 caller.
9666 (setup_pointers_and_addressables): Remove clobbering related code.
9667 (add_may_alias): Ditto.
9668 (replace_may_alias): Ditto.
9669 (get_nmt_for): Ditto.
9670 (create_global_var):
9671 (is_escape_site): Return an escape_type enumeration.
9672 * tree-flow-inline.h (is_call_clobbered): Global var does not
9673 imply call clobbered.
9674 (mark_call_clobbered): Take a reason for marking this. Remove
9675 marking of globalness, and cache invalidation.
9676 (clear_call_clobbered): Remove cache invalidation code.
9677 * tree-dfa.c (dump_variable): If details is on, dump the reason
9678 for escaping.
9679 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9680 variable.
9681 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9682 (struct var_ann_d): Ditto.
9683 (enum escape_type): New.
9684 (mark_call_clobbered): Adjust prototype.
9685 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9686 are never call clobbered.
9687 Record reasons for escaping.
9688 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9689 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9690 (ssa_ro_call_cache_valid): Ditto.
9691 (clobbered_v_may_defs): Ditto.
9692 (clobbered_vuses): Ditto.
9693 (ro_call_vuses): Ditto.
9694 (clobber_stats): New.
9695 (init_ssa_operands): Zero out clobber stats.
9696 (fini_ssa_operands): Print out clobber stats.
9697 (get_call_expr_operands): Pass callee fndecl to
9698 add_call_read_ops).
9699 (add_call_clobber_ops): Remove use of cache.
9700 Add use of PURE_CONST information.
9701 (add_call_read_ops): Remove use of cache.
9702 Add use of static not_read information.
9704 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9706 Introduce TLS descriptors for i386 and x86_64.
9707 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9708 (TARGET_ANY_GNU_TLS): New macro.
9709 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9710 (struct machine_function): Add tls_descriptor_call_expanded_p.
9711 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9712 (ix86_current_function_calls_tls_descriptor): Likewise.
9713 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9714 (override_options): Introduce gnu2 tls dialect.
9715 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9716 not leaves.
9717 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9718 Likewise.
9719 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9720 (ix86_init_machine_status): Initialize new field.
9721 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9722 (ix86_tls_module_base): New.
9723 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9724 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9725 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9726 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9727 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9728 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9729 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9730 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9731 * config/i386/predicates.md (tls_modbase_operand): New.
9732 (tp_or_register_operand): New.
9734 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9736 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9737 (look_for_address_of): Ditto.
9738 (ipa_init): Walk the function decls.
9739 (static_execute): Don't set readonly on FUNCTION_DECL's.
9741 2006-01-18 Roger Sayle <roger@eyesopen.com>
9743 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9744 for shifts where the source and destination registers are different.
9746 2006-01-18 Paul Brook <paul@codesourcery.com>
9748 Merge from csl-arm-branch.
9749 2005-03-14 Julian Brown <julian@codesourcery.com>
9750 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9751 (aeabi_llsl): Likewise.
9752 (ashrdi3): Likewise.
9753 (aeabi_lasr): Likewise.
9754 (lshrdi3): Likewise.
9755 (aeabi_llsr): Likewise.
9756 2005-03-10 Julian Brown <julian@codesourcery.com>
9757 * config.gcc: Disable shared libgcc for SymbianOS.
9758 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9760 2006-01-18 DJ Delorie <dj@redhat.com>
9762 * c-pragma.c (handle_pragma_diagnostic): New.
9763 (init_pragma): Register it.
9764 * doc/extend.texi: Document it.
9766 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9767 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9768 (diagnostic_context): Add classify_diagnostic[].
9769 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9770 as errors if they're overridden to DK_WARNING.
9771 (diagnostic_initialize): Initialize classify_diagnostic[].
9772 (diagnostic_set_kind_override): New.
9773 (diagnostic_report_diagnostic): Check for kind changes.
9774 * opts.c (common_handle_option): Take lang_mask. Update callers.
9775 Handle OPT_Werror_.
9776 * common.opt (Werror=): New.
9777 * doc/invoke.texi: Document -Werror=*
9779 2006-01-18 Jeff Law <law@redhat.com>
9781 * tree-vrp.c (test_for_singularity): Correct test for new
9782 min limit. Use operand_equal_p rather than pointer equality
9783 for testing if new min/max values are equal.
9785 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9786 using range information until after propagation and folding.
9788 2006-01-18 Richard Henderson <rth@redhat.com>
9789 Aldy Hernandez <aldyh@redhat.com>
9790 Jakub Jelinek <jakub@redhat.com>
9791 Diego Novillo <dnovillo@redhat.com>
9793 * omp-low.c: New file.
9794 * c-omp.c: New file.
9796 2006-01-18 Richard Henderson <rth@redhat.com>
9797 Jakub Jelinek <jakub@redhat.com>
9798 Diego Novillo <dnovillo@redhat.com>
9800 * doc/invoke.texi: Document -fopenmp.
9801 * tree-dump.h (debug_function): Declare.
9802 * hooks.c (hook_bool_tree_bool_false): New function.
9803 (hook_tree_tree_null): Remove.
9804 (hook_tree_tree_tree_null): New.
9805 * hooks.h: Update to match.
9806 * tree-pretty-print.c (debug_tree_chain): New.
9807 (print_generic_expr): Handle TDF_CHAIN.
9808 (dump_generic_node): Handle BLOCK.
9809 Do not abort with incomplete SWITCH_EXPRs.
9810 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9811 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9812 print space after directive name.
9813 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9814 Handle OMP_MASTER and OMP_ORDERED.
9815 Handle printing of OMP_BODY just in one place, goto
9816 dump_omp_body in the rest of OMP_* nodes that have
9817 OMP_BODY.
9818 Don't handle clause nodes here. Update omp statements to
9819 use dump_omp_clauses.
9820 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9821 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9822 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9823 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9824 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9825 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9826 Adjust output for GOMP_PARALLEL.
9827 (dump_omp_clauses): New.
9828 (print_declaration): Dump DECL_VALUE_EXPR.
9829 (op_symbol_1): Split out of op_symbol.
9830 (dumping_stmts): Remove. Update all users.
9831 * cgraph.c (cgraph_analyze_queue): New.
9832 (cgraph_add_new_function): New.
9833 * cgraph.h (cgraph_analyze_queue): Declare.
9834 (cgraph_add_new_function): Declare.
9835 (cgraph_lower_function): Remove.
9836 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9837 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9838 and TYPE_P nodes in its default clause.
9839 (empty_body_p): New.
9840 (tree_range_check_failed): New.
9841 (build5_stat): New.
9842 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9843 OMP_CLAUSE_REDUCTION_MERGE,
9844 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9845 OMP_CLAUSE_PRIVATE_DEBUG,
9846 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9847 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9848 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9849 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9850 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9851 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9852 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9853 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9854 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9855 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9856 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9857 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9858 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9859 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9860 (TREE_RANGE_CHECK): New.
9861 (empty_body_p): Declare.
9862 (enum omp_clause_default_kind): New.
9863 (build_string_literal): Declare.
9864 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9865 (build5_stat, build5): Declare.
9866 * tree-pass.h (TDF_CHAIN): Define.
9867 * tree-pass.h (PROP_gimple_lomp): Define.
9868 (pass_lower_omp): Declare.
9869 * diagnostic.h (debug_tree_chain): Declare.
9870 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9871 mode_for_size.
9872 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9873 * builtins.c (build_string_literal): Make extern.
9874 * gcc.c (include_spec_function): New.
9875 (static_spec_functions): Add it.
9876 (main): Move load of libgomp.spec ...
9877 (LINK_COMMAND_SPEC): ... here.
9878 (link_gomp_spec): New.
9879 (static_specs): Include it.
9880 (LINK_COMMAND_SPEC): Add link_gomp.
9881 (GOMP_SELF_SPECS): New.
9882 (driver_self_specs): Include it.
9883 (switch_matches): Don't mark inline.
9884 (main): Load libgomp.spec.
9885 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9886 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9887 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9888 * tree-gimple.h (enum omp_parallel): Declare.
9889 (determine_parallel_type): Declare.
9890 (omp_firstprivatize_variable): Declare.
9891 (omp_reduction_init): Declare.
9892 (diagnose_omp_structured_block_errors): Declare.
9893 (struct walk_stmt_info): Add want_return_expr.
9894 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9895 (find_omp_clause): Declare.
9896 (insert_field_into_struct): Declare.
9897 (struct walk_stmt_info): Move from tree-nested.c
9898 (walk_stmts): Declare.
9899 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9900 to 200505.
9901 * cgraphunit.c (cgraph_lower_function): Make static.
9902 (cgraph_finalize_pending_functions): New.
9903 (cgraph_finalize_function): Call it.
9904 (cgraph_finalize_compilation_unit): Likewise.
9905 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9906 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9907 (BT_FN_UINT_UINT): New.
9908 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9909 DEF_FUNCTION_TYPE_VAR_4): Document.
9910 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9911 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9912 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9913 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9914 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9915 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9916 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9917 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9918 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9919 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9920 into separate files.
9921 (DEF_GOMP_BUILTIN): New.
9922 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9923 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9924 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9925 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9926 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9927 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9928 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9929 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9930 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9931 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9932 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9933 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9934 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9935 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9936 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9937 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9938 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9939 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9940 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9941 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9942 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9943 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9944 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9945 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9946 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9947 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9948 * sync-builtins.def: New file, moved from builtins.def.
9949 * omp-builtins.def: New file, moved from builtins.def.
9950 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9951 * gimple-low.c (lower_function_body): Clear data.
9952 (lower_stmt): Do not handle COMPOUND_EXPR.
9953 Remove call to print_node_brief.
9954 * c-tree.h (c_finish_omp_clauses): New prototype.
9955 (C_DECL_THREADPRIVATE_P): Define.
9956 (lookup_name_no_remap, c_omp_remap_private): Remove
9957 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9958 (check_for_loop_decls): Update decl.
9959 (lookup_name_no_remap, c_omp_remap_private): Declare.
9960 (build_indirect_ref, build_modify_expr, pushdecl,
9961 pushdecl_top_level): Move to c-common.h.
9962 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9963 before the switch, but just in the 2 places that need it.
9964 * c-decl.c (diagnose_mismatched_decls): Do not check for
9965 mismatched thread-local attributes when OLDDECL is marked
9966 threadprivate and NEWDECL has no thread-local attributes.
9967 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9968 (c_gimple_diagnostics_recursively): Rename from
9969 c_warn_unused_result_recursively. Invoke
9970 diagnose_omp_structured_block_errors.
9971 (check_for_loop_decls): Return a singular decl found.
9972 * langhooks.c (lhd_omp_predetermined_sharing): Return
9973 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9974 (lhd_omp_firstprivatize_type_sizes): New.
9975 (lhd_omp_assignment): New.
9976 (lhd_omp_predetermined_sharing): New.
9977 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9978 (struct lang_hooks_for_types): Add
9979 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9980 omp_predetermined_sharing, omp_disregard_value_expr,
9981 omp_private_debug_clause, omp_clause_default_ctor,
9982 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9983 (c_finish_omp_clauses): New.
9984 (c_finish_bc_stmt): Diagnose break within omp for.
9985 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9986 (build_unary_op): Return error_mark after reporting
9987 a readonly_error.
9988 (build_modify_expr): Likewise.
9989 * gimplify.c: Include optabs.h and pointer-set.h.
9990 (enum gimplify_omp_var_data): Declare.
9991 (struct gimplify_omp_ctx): Declare.
9992 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9993 and combined_ctxp.
9994 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9995 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9996 (splay_tree_compare_decl_uid): New.
9997 (new_omp_context): New.
9998 (delete_omp_context): New.
9999 (gimple_add_tmp_var): Call omp_add_variable.
10000 (gimplify_bind_expr): Likewise.
10001 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10002 true, disregard DECL_VALUE_EXPR on the decl if any.
10003 (gimplify_expr_in_ctx): New.
10004 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10005 omp_add_variable, omp_notice_variable, omp_is_private
10006 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10007 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10008 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10009 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10010 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10011 gimplify_omp_atomic): New.
10012 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10013 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10014 OMP_CRITICAL and OMP_ATOMIC.
10015 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10016 * c-pragma.h (enum pragma_kind): Add
10017 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10018 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10019 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10020 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10021 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10022 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10023 PRAGMA_OMP_THREADPRIVATE.
10024 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10025 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10026 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10027 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10028 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10029 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10030 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10031 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10032 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10033 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10034 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10035 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10036 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10037 OpenMP directives.
10038 (struct nesting_info): Add field_map,
10039 suppress_expansion, debug_var_chain.
10040 (create_nesting_tree): Initialize them.
10041 (lookup_field_for_decl): Use field_map.
10042 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10043 (convert_local_omp_clauses): New.
10044 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10045 (walk_body): Split out of walk_function.
10046 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10047 (convert_nonlocal_reference): Handle omp statements.
10048 (convert_local_reference): Likewise.
10049 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10050 (unnest_nesting_tree): New.
10051 (lower_nested_functions): Call it.
10052 (insert_field_into_struct): Make extern.
10053 (struct walk_stmt_info): Move to tree-gimple.h.
10054 (walk_stmts): Make extern.
10055 * omp-builtins.def: New file.
10056 * tree-iterator.c (expr_only): Clarify comment.
10057 * c-common.h (pushdecl_top_level, pushdecl,
10058 build_modify_expr, build_indirect_ref,
10059 c_finish_omp_master, c_finish_omp_critical,
10060 c_finish_omp_ordered, c_finish_omp_barrier,
10061 c_finish_omp_atomic, c_finish_omp_flush,
10062 c_finish_omp_for, c_split_parallel_clauses,
10063 omp_clause_default_kind, c_omp_sharing_predetermined,
10064 c_omp_remap_decl): Declare.
10065 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10066 (OBJS-common): Add omp-low.o.
10067 (c-omp.o, omp-low.o): Add.
10068 (gimplify.o): Add dependency on $(OPTABS_H).
10069 (GTFILES): Add omp-low.c.
10070 (gt-stringpool.h): Add.
10071 * tree-cfg.c (set_bb_for_stmt): Do not update the
10072 block-to-labels map if we are currently expanding to RTL.
10073 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10074 checks.
10075 Handle IDENTIFIER_NODE.
10076 (tree_verify_flow_info): Do not ICE when emitting error
10077 messages about invalid labels.
10078 (dump_function_to_file): Reset CFUN before emitting the body
10079 of the function.
10080 (debug_function): New.
10081 * passes.c (init_optimization_passes): Schedule
10082 pass_lower_omp.
10083 * langhooks-def.h (lhd_omp_predetermined_sharing,
10084 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10085 Declare.
10086 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10087 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10088 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10089 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10090 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10091 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10092 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10093 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10094 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10095 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10096 (LANG_HOOK_DECLS): Use them.
10098 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10099 Richard Henderson <rth@redhat.com>
10100 Jakub Jelinek <jakub@redhat.com>
10101 Diego Novillo <dnovillo@redhat.com>
10103 * c-parser.c (pragma_omp_clause): Define.
10104 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10105 (c_parser_compound_statement): Likewise.
10106 (c_parser_statement): Likewise.
10107 (c_parser_pragma): Handle omp pragmas.
10108 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10109 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10110 (c_parser_omp_clause_name, check_no_duplicate_clause,
10111 c_parser_omp_variable_list,
10112 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10113 c_parser_omp_clause_copyprivate,
10114 c_parser_omp_clause_default,
10115 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10116 c_parser_omp_clause_lastprivate,
10117 c_parser_omp_clause_nowait,
10118 c_parser_omp_clause_num_threads,
10119 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10120 c_parser_omp_clause_reduction,
10121 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10122 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10123 c_parser_omp_atomic, c_parser_omp_barrier,
10124 c_parser_omp_critical, c_parser_omp_flush,
10125 c_parser_omp_for_loop, c_parser_omp_for,
10126 c_parser_omp_master, c_parser_omp_ordered,
10127 c_parser_omp_sections_scope, c_parser_omp_sections,
10128 c_parser_omp_parallel, c_parser_omp_single,
10129 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10130 * c-pragma.c (init_pragma): Do omp pragma registration here.
10131 * c.opt (fopenmp): New flag.
10133 2006-01-18 Eric Christopher <echristo@apple.com>
10135 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10136 * config/darwin.h (GOMP_SELF_SPECS): Define.
10138 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10140 * rtl.h: Remove the prototype for reg_alloc.
10142 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10144 PR target/25731
10145 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10146 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10147 sjlj and dwarf2 exception handling.
10148 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10149 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10150 * pa/pa.c (function_value): Treat complex and vector types as
10151 aggregates.
10152 (function_arg): Likewise. Only pass scalar floats in the floating
10153 point argument registers.
10154 * pa/t-slibgcc-dwarf-ver: New file.
10155 * pa/t-slibgcc-sjlj-ver: New file.
10156 * pa/t-slibgcc-elf-ver: Delete file.
10158 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10160 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10161 unlikely_test_section_p test.
10163 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10165 * mode-switching.c (optimize_mode_switching): Make it static.
10166 * basic-block.h: Remove the prototype for
10167 optimize_mode_switching.
10169 * modulo-sched.c (sms_schedule): Make it static.
10170 * rtl.h: Remove the prototype for sms_schedule.
10172 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10173 * rtl.h: Remove the prototype for gcse_after_reload_main.
10175 * reg-stack.c (reg_to_stack): Make it static.
10176 * rtl.h: Remove the prototype for reg_to_stack.
10178 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10179 Make them static.
10180 * rtl.h: Remove the prototypes for regrename_optimize and
10181 copyprop_hardreg_forward.
10183 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10185 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10186 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10187 Test against the appropriate null constant for the mode.
10188 If 'fixup_overlap' is true, swap the operands if they overlap.
10189 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10190 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10191 alpha_split_tmode_pair and adjust for above change.
10192 * config/alpha/alpha.md (movtf_internal): Adjust call to
10193 alpha_split_tfmode_pair and rely on it to swap the operands.
10194 (movti_internal): New insn and post-reload splitter.
10195 (movti): New expander.
10197 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10199 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10200 operands.
10202 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10204 * rtlanal.c (global_reg_mentioned_p_1,
10205 global_reg_mentioned_p): Remove.
10206 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10208 * flow.c (initialize_uninitialized_subregs): Make it static.
10209 * rtl.h: Remove the prototype for
10210 initialize_uninitialized_subregs.
10212 * function.c (instantiate_virtual_regs): Make it static.
10213 * function.h: Remove the prototype for
10214 instantiate_virtual_regs.
10216 * regmove.c (regmove_optimize, combine_stack_adjustments):
10217 Make them static.
10218 * rtl.h: Remove the prototypes for regmove_optimize and
10219 combine_stack_adjustments.
10221 2006-01-17 Roger Sayle <roger@eyesopen.com>
10223 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10224 (size_cost): Encode costs in bytes so that a reg-reg addition is
10225 equivalent to COSTS_N_INSNS(1).
10226 (override_options): Use the size_cost.branch_cost as the default
10227 ix86_branch_cost when optimizing for size.
10229 2006-01-18 Ben Elliston <bje@au.ibm.com>
10231 * Makefile.in (D32PBIT_FUNCS): New.
10232 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10233 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10234 D64PBIT_FUNCS and D128PBIT_FUNCS.
10235 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10236 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10237 D128PBIT are set.
10238 (decnumber_dep): Define.
10239 * doc/libgcc.texi (Decimal float library routines): New node.
10240 * config/dfp-bit.h, config/dfp-bit.c: New files.
10242 2006-01-18 Ben Elliston <bje@au.ibm.com>
10244 * expr.c (emit_move_change_mode): Always adjust addresses, not
10245 just during reload. Copy replacements only during reload.
10246 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10247 emit_move_via_integer.
10249 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10251 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10252 instead of $(srcdir) and ${srcdir}.
10254 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10256 PR target/592
10257 PR middle-end/11135
10258 * arm.h (struct machine_function): Add pic_reg.
10259 * arm.c (arm_pic_register): Make unsigned.
10260 (arm_override_options): Only set arm_pic_register if
10261 TARGET_SINGLE_PIC_BASE.
10262 (use_return_insn): Only test for a pic register if it is fixed.
10263 (arm_compute_save_reg0_reg12_mask): Likewise.
10264 (thumb_compute_save_reg_mask): Likewise.
10265 (legitimate_pic_operand): Factor out some known invariants.
10266 (legitimize_pic_address): If we don't have a fixed pic register,
10267 then set up a pseudo in the function entry sequence. Handle the
10268 pic base being in a pseudo.
10269 (arm_load_pic_register): Handle the pic register being in a pseudo.
10270 (arm_expand_prologue): Only set up the pic register if it is fixed.
10271 (thumb_expand_prologue): Likewise.
10272 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10273 (pic_load_addr_based_insn): Likewise.
10274 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10275 fixed.
10277 2006-01-18 Ben Elliston <bje@au.ibm.com>
10279 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10280 decimal float modes for all floating point registers.
10282 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10283 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10285 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10287 PR c/25682
10288 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10289 even when the pointer is not NULL.
10291 2006-01-16 Ian Lance Taylor <ian@airs.com>
10293 * common.opt (ftoplevel-reorder): New option.
10294 * cgraph.c (cgraph_asm_nodes): New global variable.
10295 (cgraph_asm_last_node): New static variable.
10296 (cgraph_order): New global variable.
10297 (cgraph_create_node): Set new order field.
10298 (cgraph_varpool_node): Likewise.
10299 (decide_is_variable_needed): Return true if not
10300 flag_toplevel_reorder.
10301 (cgraph_add_asm_node): New function.
10302 * cgraph.h (struct cgraph_node): Add order field.
10303 (struct cgraph_varpool_node): Add order field.
10304 (struct cgraph_asm_node): Define.
10305 (cgraph_asm_nodes, cgraph_order): Declare.
10306 (cgraph_add_asm_node): Declare.
10307 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10308 function.
10309 (cgraph_varpool_assemble_pending_decls): Call it.
10310 (cgraph_output_pending_asms): New static function.
10311 (cgraph_finalize_compilation_unit): Call it.
10312 (struct cgraph_order_sort): Define.
10313 (cgraph_output_in_order): New static function.
10314 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10315 !flag_toplevel_reorder case.
10316 * c-parser.c: Include "cgraph.h".
10317 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10318 assemble_asm.
10319 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10320 than -fno-unit-at-a-time.
10321 * doc/invoke.texi (Option Summary): Mention
10322 -fno-toplevel-reorder.
10323 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10324 -funit-at-a-time documentation.
10326 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10327 Kazu Hirata <kazu@codesourcery.com>
10329 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10331 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10333 * Makefile.in (FUNCTION_H): New. Use it instead of
10334 function.h throughout the file.
10335 * function.h: Include tree.h.
10337 2006-01-17 Ben Elliston <bje@au.ibm.com>
10339 * recog.c: Separate some functions with whitespace.
10341 2006-01-16 Richard Henderson <rth@redhat.com>
10343 Merge from gomp branch:
10344 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10345 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10346 and rename from struct inline_data. Rename callee* to dst*;
10347 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10348 transform_new_cfg, transform_return_to_modify, and
10349 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10350 update_clones_p.
10351 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10352 (copy_decl_for_dup): Remove.
10353 * tree-inline.c (struct inline_data): Move to header.
10354 (insert_decl_map): Export.
10355 (remap_decl): Update for member name changes. Use copy_decl hook.
10356 Allow for replacement to be a non-decl. Remove dead code.
10357 (remap_type_1): Check for existing mapping.
10358 (remap_type): Export.
10359 (remap_decls): Update for member name changes.
10360 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10361 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10362 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10363 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10364 (tree_function_versioning, build_duplicate_type): Likewise.
10365 (copy_body_r): Likewise. Export.
10366 (copy_decl_for_dup): Split into ...
10367 (copy_decl_for_dup_finish, copy_decl_to_var,
10368 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10369 (replace_ref_tree, inlining_p): Remove.
10371 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10373 * ifcvt.c (if_convert): Make it static.
10374 * rtl.h: Remove the prototype for if_convert.
10376 * local-alloc.c (local_alloc): Make it static.
10377 * rtl.h: Remove the prototype for local_alloc.
10379 * loop.c (loop_optimize): Make it static.
10380 * cfgloop.h: Remove the prototype for loop_optimize.
10381 * rtl.h: Likewise.
10383 2006-01-16 DJ Delorie <dj@redhat.com>
10385 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10386 mems.
10388 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10390 * pa.md: Disparage copies between general and floating-point registers
10391 in 32-bit move patterns.
10393 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10395 PR testsuite/25741
10396 * Makefile.in (check-%): Depend on site.exp instead of
10397 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10398 directories.
10400 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10402 * global.c (global_alloc): Make it static.
10403 * rtl.h: Remove the prototype for global_alloc.
10405 2006-01-16 Richard Guenther <rguenther@suse.de>
10407 * tree-ssa-alias.c (struct used_part): Add write_only field.
10408 (get_or_create_used_part_for): Initialize it to true.
10409 (create_overlap_variables_for): Don't create structure variables
10410 for structures that only are written to.
10411 (find_used_portions): Handle MODIFY_EXPR to track whether a
10412 structure is only written to.
10414 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10416 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10417 static.
10418 * basic-block.h: Remove the prototype for
10419 partition_hot_cold_basic_blocks.
10421 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10423 * cppspec.c (lang_specific_spec_functions): Remove.
10424 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10425 * gcc.h (lang_specific_spec_functions): Remove.
10426 * gccspec.c (lang_specific_spec_functions): Remove.
10428 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10430 * combine.c (record_value_for_reg): Invalidate registers
10431 if INSN is null.
10432 (record_dead_and_set_regs_1): Likewise, by passing them to
10433 record_value_for_reg.
10434 (record_dead_and_set_regs): Invalidate stores made by a
10435 call. We do not combine across a call, but we still
10436 relied on equivalences.
10438 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10440 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10441 vrp_int_const_binop returning non-constant nodes.
10443 2006-01-16 Paul Brook <paul@codesourcery.com>
10445 * config/m68k/m68k.c (output_move_const_into_data_reg):
10446 Output correct mnemonic for mvz and mvs.
10448 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10450 * rtl-factoring.c: Add sequence abstraction algorithm.
10451 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10452 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10453 ABNORMAL edges.
10454 (block_has_preserve_label): New function.
10455 * common.opt: Register new pass.
10456 * Makefile.in: Ditto.
10457 * passes.c: Ditto.
10458 * timevar.def: Ditto.
10459 * tree-pass.h: Ditto.
10460 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10461 * rtl.h (make_jump_insn_raw): Add forward decl.
10462 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10464 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10465 Roger Sayle <roger@eyesopen.com>
10467 * fold-const.c (fold_minmax): New static function.
10468 (fold_binary) <MIN_EXPR>: Call it.
10469 <MAX_EXPR>: Likewise.
10470 * stor-layout.c (place_field): Use DECL_SIZE consistently
10471 in the computation of the new record size.
10473 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10475 * cse.c (cse_condition_code_reg): Make it static.
10476 * rtl.h: Remove the prototype for cse_condition_code_reg.
10478 * combine.c (combine_instructions): Make it static.
10479 * rtl.h: Remove the prototype for combine_instructions.
10481 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10483 PR target/25168
10484 * tree.c (get_file_function_name_long): Concatenate the first global
10485 object name with a string derived from the input filename of the object
10486 for type "F".
10488 2006-01-16 Ben Elliston <bje@au.ibm.com>
10490 * config/i386/winnt-stubs.c: Update FSF address.
10491 * config/xtensa/ieee754-df.S: Ditto.
10492 * config/xtensa/ieee754-sf.S: Ditto.
10494 2006-01-14 Ian Lance Taylor <ian@airs.com>
10496 * ifcvt.c (noce_init_if_info): New static function, broken out of
10497 noce_process_if_block.
10498 (noce_process_if_block): Call noce_init_if_info.
10499 (check_cond_move_block): New static function.
10500 (cond_move_process_if_block): New static function.
10501 (process_if_block): Call cond_move_process_if_block.
10503 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10505 * cselib.c (hash_table): Rename to cselib_hash_table.
10506 (cselib_clear_table, discard_useless_values,
10507 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10508 cselib_init, cselib_finish): Adjust uses of hash_table.
10510 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10512 PR tree-optimization/25485
10513 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10514 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10515 is known to be false and true, respectively.
10517 2006-01-14 Richard Guenther <rguenther@suse.de>
10519 PR tree-optimization/22548
10520 PR tree-optimization/22555
10521 PR tree-optimization/22501
10522 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10523 * params.def (salias-max-array-elements): New parameter.
10524 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10525 * doc/invoke.texi (salias-max-array-elements): Document.
10526 * tree-flow-inline.h (var_can_have_subvars): We also handle
10527 arrays now.
10528 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10529 COMPONENT_REF.
10530 * tree-ssa-structalias.c (params.h): Include.
10531 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10532 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10533 (get_constraint_for): For ADDR_EXPR operating on something
10534 containing an ARRAY_REF, add all subvars to the solution.
10535 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10536 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10537 for creating MUST_DEFs.
10538 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10540 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10542 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10543 functions.
10544 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10545 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10546 number_of_iterations_le): New functions.
10547 (number_of_iterations_special): Removed.
10548 (number_of_iterations_exit): Do not use number_of_iterations_special.
10549 * tree.c (unsigned_type_for): Always return integer type.
10551 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10552 Richard Guenther <rguenther@suse.de>
10554 PR rtl-optimization/24257
10555 * gcse.c (find_moveable_store): Only consider a store movable
10556 when the SET_SRC of the insn can be assigned to a register.
10558 2006-01-14 Ian Lance Taylor <ian@airs.com>
10560 * tree.c (tree_not_class_check_failed): New function.
10561 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10562 (tree_not_class_check_failed): Declare.
10564 2006-01-13 Ian Lance Taylor <ian@airs.com>
10566 * reload1.c (do_output_reload): Add assertion rejecting a
10567 CALL_INSN.
10569 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10571 * combine.c (struct reg_stat): Add new fields truncation_label and
10572 truncated_to_mode.
10573 (record_value_for_reg): Reset truncated_to_mode.
10574 (record_truncated_value): New function.
10575 (check_promoted_subreg): Call it. Rename to check_conversions.
10576 (combine_instructions): Rename check_promoted_subreg to
10577 check_conversions.
10578 (reg_truncated_to_mode): New function.
10579 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10580 (gen_lowpart_or_truncate): New function.
10581 (force_to_mode): Use it instead of gen_lowpart.
10583 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10585 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10586 VAR is a tag, not its type tag.
10588 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10590 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10591 alternatives to match style of other entries.
10592 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10594 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10596 PR tree-optimization/25771
10597 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10598 SSA_NAMES.
10600 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10602 PR tree-opt/24365
10603 * tree-inline.c (declare_return_variable): If the return variable
10604 was marked as a non gimple complex, set the return slot variable
10605 to be a non gimple comple variable.
10607 2006-01-13 Richard Guenther <rguenther@suse.de>
10609 * builtins.c (expand_builtin_sincos): New function.
10610 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10611 do not set errno.
10612 (expand_builtin): Expand sincos using expand_builtin_sincos.
10614 2006-01-12 DJ Delorie <dj@redhat.com>
10616 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10617 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10618 so that constant shifts can be split.
10619 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10620 (m32c_valid_pointer_mode): Make static.
10621 (shift_gen_func_for): New.
10622 (m32c_prepare_shift): Use it. Split large const shifts into
10623 multiple shifts.
10624 * config/m32c/predicates.md (shiftcount_operand): Allow more
10625 general operands.
10626 (longshiftcount_operand): New.
10627 * doc/md.texi (Machine Constraints): Document In6.
10629 2006-01-13 Ben Elliston <bje@au.ibm.com>
10631 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10632 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10633 documentation.
10635 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10637 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10638 to try to avoid clobbering pieces of structures when we know
10639 something about the whole structure.
10640 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10642 2006-01-13 Ben Elliston <bje@au.ibm.com>
10644 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10645 return in memory, as this is no limitation is no longer present.
10647 2006-01-12 DJ Delorie <dj@redhat.com>
10649 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10650 mova with fb, and for fb+0 -> An.
10652 * config/m32c/mov.md (peephole2): Fix enabling logic.
10654 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10655 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10656 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10657 FINI_ARRAY_SECTION_ASM_OP): Define.
10659 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10660 variable.
10661 (m32c_legitimize_reload_address): New logic to reload FB to An.
10662 (m32c_output_reg_push): Add newline.
10663 (m32c_output_reg_pop): Likewise.
10665 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10667 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10669 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10671 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10673 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10675 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10676 match_code.
10678 2006-01-11 Ben Elliston <bje@au.ibm.com>
10680 * rtlanal.c (find_reg_note): Assert insn is not null.
10682 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10684 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10685 ifdef.
10687 2006-01-11 Jeff Law <law@redhat.com>
10689 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10690 hold edge pairs.
10691 (mark_threaded_blocks, register_jump_thread): New functions.
10692 (thread_through_all_blocks): Remove unwanted argument. No
10693 longer rely on e->aux to communicate thread target info.
10694 Call mark_threaded_blocks. Release the threaded_blocks
10695 bitmap and threaded_edges vector when complete.
10696 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10697 (threaded_blocks): Remove.
10698 (tree_ssa_dominator_optimize): Remove initialization and
10699 finalization of threaded_blocks. Simplify call to
10700 thread_through_all_blocks.
10701 (thread_across_edge): Call register_jump_thread rather than
10702 storing thread information into e->aux.
10703 (free_all_edge_infos): Simplify now that e->aux is no longer
10704 used to communicate with thread_through_all_blocks.
10705 * tree-flow.h (thread_through_all_blocks): Update prototype.
10706 (register_jump_thread): Prototype.
10708 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10710 * df-core.c (df_compact_blocks, df_bb_replace): Use
10711 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10713 2006-01-11 Richard Guenther <rguenther@suse.de>
10715 PR tree-optimization/25734
10716 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10717 stop propagation after successful propagation to the LHS.
10719 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10721 * basic-block.h (control_flow_graph): Change the type of
10722 x_basic_block_info to VEC(basic_block,gc) *.
10723 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10724 basic_block_info.
10725 (SET_BASIC_BLOCK): New.
10726 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10727 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10728 * cfgbuild.c (find_basic_blocks): Likewise.
10729 * cfglayout.c (fixup_reorder_chain): Likewise.
10730 * cfgrtl.c (create_basic_block_structure,
10731 rtl_create_basic_block): Likewise.
10732 * ifcvt.c (find_if_case_1): Likewise.
10733 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10734 Likewise.
10736 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10738 * Makefile.in: Removed rotted odf.c entry.
10740 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10742 PR target/25706
10743 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10744 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10745 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10746 output pattern modifier, not %e.
10747 * config/cris/cris.c (cris_op_str): Update comment about pattern
10748 modifier.
10749 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10750 before falling through into...
10751 <case 'E'>: Redefined from old 'e' case.
10753 2006-01-11 Jan Hubicka <jh@suse.cz>
10755 PR target/25042
10756 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10758 2006-01-11 Jan Hubicka <jh@suse.cz>
10760 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10761 * i386.c (x86_decompose_lea): Kill.
10762 (ix86_rtx_costs): Kill.
10764 2006-01-11 Jan Hubicka <jh@suse.cz>
10766 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10767 * cgraph.h (cgraph_node): Add inline_decl.
10768 (cgraph_insert_node_to_hashtable): Declare.
10769 (save_inline_function_body): Declare.
10770 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10771 clones.
10772 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10773 (cgraph_function_versioning): Update call of tree_function_versioning.
10774 (save_inline_function_body): New function.
10775 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10776 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10777 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10778 (cgraph_default_inline_p): Likewise.
10779 (cgraph_decide_inlining_incrementally): Likewise.
10780 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10781 (copy_bb): Kill saving; do updating of clones.
10782 (copy_cfg_body): Kill saving.
10783 (initialize_inlined-parameters): Likewise.
10784 (expand_call_inline): Likewise.
10785 (save_body): Kill.
10786 (tree_function_versioning): New parameter "update_clones".
10787 (inlining_p): Kill saving.
10788 * tree-inline.h (tree_function_versioning): Update prototype.
10789 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10790 saving.
10792 2006-01-11 Ian Lance Taylor <ian@airs.com>
10794 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10795 Allow undoing set of machine mode.
10796 (do_SUBST): Use enums instead of is_int.
10797 (do_SUBST_MODE): New function.
10798 (SUBST_MODE): New macro.
10799 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10800 reg and trying to replace reg_regno_rtx with a new register.
10801 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10802 (simplify_set): Use SUBST_MODE.
10803 (distribute_notes): Remove code that tried to update reg notes
10804 for regno_reg_rtx changes.
10806 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10808 PR tree-optimization/23109
10809 PR tree-optimization/23948
10810 PR tree-optimization/24123
10812 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10813 * tree-cfg.c (single_noncomplex_succ): New.
10814 * tree-flow.h (single_noncomplex_succ): Declare it.
10815 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10816 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10817 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10818 insert_bb, register_division_in, insert_reciprocals,
10819 replace_reciprocal, free_bb): New.
10820 (execute_cse_reciprocals_1): Rewritten.
10821 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10822 Do not commit any edge insertion. Always compute dominators and
10823 create the allocation pool.
10824 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10825 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10826 * targhooks.c (default_min_divistions_for_recip_mul): New.
10827 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10828 * passes.c (init_optimization_passes): Run recip after tree loop
10829 optimizations.
10830 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10832 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10833 Kenneth Zadeck <zadeck@naturalbridge.com>
10835 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10836 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10837 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10838 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10839 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10840 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10841 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10842 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10843 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10844 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10845 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10846 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10847 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10848 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10849 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10850 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10851 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10852 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10853 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10854 DF_SCAN_POST_ALLOC): New macros.
10855 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10856 df_free_bb_function, df_local_compute_function, df_init_function,
10857 df_dataflow_function, df_confluence_function_0,
10858 df_confluence_function_n, df_transfer_function,
10859 df_finalizer_function, df_free_function, df_dump_problem_function,
10860 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10861 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10862 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10863 df_urec_bb_info, ) New types.
10864 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10865 variables.
10866 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10867 df_analyze_simple_change_some_blocks,
10868 df_analyze_simple_change_one_block, df_compact_blocks,
10869 df_bb_replace, df_bb_regno_last_use_find,
10870 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10871 df_insn_regno_def_p, df_find_def, df_find_use,
10872 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10873 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10874 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10875 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10876 debug_df_chain, df_get_dependent_problem, df_chain_create,
10877 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10878 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10879 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10880 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10881 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10882 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10883 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10884 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10885 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10886 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10887 df_reorganize_refs, df_set_state, df_hard_reg_init,
10888 df_read_modify_subreg_p) New public functions.
10889 * df-core.c: The core dataflow solver and glue routines for rtl
10890 dataflow.
10891 (df_init, df_add_problem, df_set_blocks, df_finish,
10892 df_hybrid_search_forward, df_hybrid_search_backward,
10893 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10894 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10895 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10896 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10897 df_reg_defined, df_find_use, df_reg_used, df_dump,
10898 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10899 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10900 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10901 debug_df_useno, reset_df_after_reload): New functions.
10902 * df-scan.c: The scanning fuctions, once in df.c, completely
10903 rewritten so that they now fully model the functionality of
10904 register usage at the backend.
10905 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10906 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10907 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10908 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10909 df_get_artificial_defs, df_get_artificial_uses,
10910 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10911 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10912 df_refs_delete, df_reorganize_refs, df_set_state,
10913 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10914 df_def_record_1, df_defs_record, df_uses_record,
10915 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10916 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10917 df_record_exit_block_uses, df_hard_reg_init): New functions.
10919 * df-problems.c: Seven concrete dataflow problems that use the
10920 scanning in df-scan.c and are solved by the engine in df-core.c.
10921 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10922 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10923 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10924 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10925 df_ru_free_bb_info, df_ru_alloc,
10926 df_ru_bb_local_compute_process_def,
10927 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10928 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10929 df_ru_transfer_function, df_ru_free, df_ru_dump,
10930 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10931 df_rd_free_bb_info, df_rd_alloc,
10932 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10933 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10934 df_rd_transfer_function, df_rd_free, df_rd_dump,
10935 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10936 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10937 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10938 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10939 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10940 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10941 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10942 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10943 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10944 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10945 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10946 df_urec_mark_reg_use_for_earlyclobber,
10947 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10948 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10949 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10950 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10951 df_chain_create_bb_process_use, df_chain_create_bb,
10952 df_chain_finalize, df_chain_free, df_chains_dump,
10953 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10954 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10955 df_reg_lifetime): New functions.
10956 * df.c: Deleted file.
10957 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10958 consistent with new df api.
10959 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10960 rest_of_handle_sms): Ditto.
10961 * web.c (unionfind_union, union_defs, entry_register, web_main):
10962 Ditto.
10963 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10964 invariant_expr_equal_p, find_defs, check_dependencies,
10965 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10966 free_inv_motion_data, move_loop_invariants): Ditto.
10967 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10968 Update dependencies.
10969 (odf.c): Added defective entry that was deleted later in day.
10970 * sched-deps.c (sched_analyze_1): Ditto.
10972 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10974 * tree-ssa-operands.c (get_expr_operands): Record addressable
10975 variables directly. Do not call add_stmt_operands for CONST_DECLs
10976 and ARRAY_DECLs.
10977 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10978 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10980 2006-01-11 Ben Elliston <bje@au.ibm.com>
10982 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10983 function returns true in the positive case.
10985 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10987 PR target/20754
10988 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10989 for SI, DI, SF and DF modes. Add alternatives to copy between
10990 general and floating point registers to the 32-bit patterns.
10991 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10992 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10993 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10994 generating 64-bit code.
10995 * config/pa/pa.c (output_move_double): Handle copies between general
10996 and floating registers.
10998 2006-01-10 Stuart Hastings <stuart@apple.com>
11000 * config/i386/i386.md (set_got): Update.
11001 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11002 (builtin_setjmp_receiver): Mach-O support.
11003 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11004 (GOT_SYMBOL_NAME): Define.
11005 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11006 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11007 * config/i386/i386.c (override_options): Revise for Darwin.
11008 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11009 support. (darwin_x86_file_end): New. (output_set_got): Add label
11010 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11011 * config/i386/i386-protos.h (output_set_got): Likewise.
11012 * config/darwin.c (machopic_legitimize_pic_address): Update
11013 regs_ever_live[].
11015 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11017 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11018 when MODE isn't BLKmode.
11020 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11022 PR rtl-optimization/25367
11023 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11025 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11027 PR target/25718
11028 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11029 for a negative bound.
11031 2006-01-10 Richard Guenther <rguenther@suse.de>
11033 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11034 Never override with anything constraint.
11036 2006-01-10 Jan Beulich <jbeulich@novell.com>
11038 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11039 256 bits when optimize_size.
11041 2006-01-10 Jan Beulich <jbeulich@novell.com>
11043 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11044 MASK_ALIGN_DOUBLE.
11045 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11046 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11047 arguments.
11049 2006-01-10 Ben Elliston <bje@au.ibm.com>
11051 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11052 float modes.
11053 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11054 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11055 (USE_FP_FOR_ARG): Reject decimal float modes.
11056 (function_arg_advance): Likewise.
11057 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11058 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11059 point types in AltiVec vectors.
11060 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11061 (rs6000_libcall_value): Likewise.
11063 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11065 * config/xtensa/ieee754-df.S: New file.
11066 * config/xtensa/ieee754-sf.S: New file.
11067 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11068 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11069 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11071 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11073 * config/sh/predicates.md (binary_float_operator,
11074 binary_logical_operator, commutative_float_operator,
11075 equality_comparison_operator, greater_comparison_operator,
11076 less_comparison_operator, logical_operator,
11077 noncommutative_float_operator, shift_operator,
11078 symbol_ref_operand, unary_float_operator): Remove redundant
11079 conditionals.
11081 2006-01-09 Jeff Law <law@redhat.com>
11083 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11084 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11085 now unused arguments. Callers updated.
11086 (eliminate_redundant_computations): Remove now unused arguments,
11087 callers updated.
11088 (local_fold): Remove, no longer used.
11089 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11090 and moved to...
11091 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11092 (simplify_cond): New function.
11093 (forward_propagate_into_cond): Call simplify_cond.
11095 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11097 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11098 (*vec_extractv2di_1_sse): New.
11100 2006-01-09 Ben Elliston <bje@au.ibm.com>
11102 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11104 2006-01-08 Richard Guenther <rguenther@suse.de>
11106 * tree-ssa-structalias.c (get_constraint_for): Remove
11107 anyoffset argument.
11108 (get_constraint_for_component_ref): Likewise.
11109 (do_deref): Likewise.
11110 (get_constraint_for): Likewise.
11111 (do_structure_copy): Likewise.
11112 (handle_ptr_arith): Likewise.
11113 (find_func_aliases): Likewise. Remove unused need_anyoffset
11114 variable.
11116 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11117 Kaz Kojima <kkojima@gcc.gnu.org>
11119 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11120 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11121 (EXTRA_CONSTRAINT_C16): Remove.
11122 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11123 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11124 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11125 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11126 constants of SHmedia. Handle nested constant expressions of
11127 SHmedia correctly.
11128 (andcosts): Fix the costs for SHmedia constants.
11129 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11130 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11131 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11132 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11133 (movv4hi_i, movv2si_i): Likewise.
11134 (movsi_const): Adjust the second operand of ior so to match with
11135 the Csu constraint.
11136 (movdi_const, movdi_const_32bit): Likewise.
11137 (movdi_const_16bit+1): Don't sign-extend LOW.
11138 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11139 step.
11140 (*double_shori): Fix the split condition. Use GEN_INT instead
11141 of get_int_mode calls. Mask lower 16-bit of the argument of
11142 the last GEN_INT.
11143 (sym2GOTPLT): Remove.
11144 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11145 gen_rtx_UNSPEC.
11146 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11147 instead of EXTRA_CONSTRAINT_C16.
11149 2006-01-07 Ian Lance Taylor <ian@airs.com>
11150 David Edelsohn <edelsohn@gnu.org>
11152 PR rtl-optimization/25662
11153 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11154 for constant operands instead of simplify_gen_binary.
11155 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11156 after trying simplify_binary_operation
11158 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11160 * tree.c (iterative_hash_expr): Hash decls based on UID.
11162 2006-01-06 Eric Christopher <echristo@apple.com>
11164 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11165 (TARGET_UNWIND_EMIT): Fix spelling.
11166 * target.h (gcc_target): Add except_table_label.
11167 * except.c (output_function_exception_table): Use.
11168 * varasm.c (default_emit_except_table_label): New.
11169 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11170 define.
11171 (asm_out): Add here.
11172 * output.h (default_emit_except_table_label): Prototype.
11173 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11174 * config/darwin.c (darwin_emit_except_table_label): Define.
11175 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11177 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11179 PR tree-optimization/18527
11180 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11181 number_of_iterations_special, number_of_iterations_exit):
11182 Move base and step of an iv to a single structure. Add
11183 no_overflow flag, and use it in # of iterations analysis.
11184 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11185 folded_casts argument.
11186 (simple_iv): Pass base and step in a structure. Set no_overflow
11187 flag.
11188 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11189 Evaluate expensiveness of computing # of iterations instead of
11190 the final expression.
11191 * tree-scalar-evolution.h (affine_iv): New structure.
11192 (simple_iv): Declaration changed.
11193 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11194 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11195 find_givs_in_stmt): Changed due to simple_iv change.
11197 2006-01-06 Jeff Law <law@redhat.com>
11199 PR ada/24994
11200 * tree-cfg.c (bsi_replace): Rename final argument from
11201 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11202 change (stmt -> orig_stmt).
11203 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11204 (bsi_remove): Add new argument. Remove EH information
11205 if requested.
11206 (verify_eh_throw_table_statements): New function.
11207 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11208 updated.
11209 * tree-optimize.c (execute_free_cfg_annotations): Verify
11210 the EH throw statement table after removing annotations.
11211 * except.h (verify_eh_throw_table_statements): Prototype.
11212 * tree-flow.h (bsi_remove): Update prototype.
11213 * tree-vrp.c (remove_range_assertions): Add new argument to
11214 bsi_remove call.
11215 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11216 * tree-complex.c (expand_complex_div_wide): Likewise.
11217 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11218 * tree-tailcall.c (eliminate_tailcall): Likewise.
11219 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11220 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11221 * tree-nrv.c (tree_nrv): Likewise.
11222 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11223 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11224 (combine_blocks): Likewise.
11225 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11226 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11227 (cleanup_control_flow): Likewise.
11228 (remove_forwarder_block): Likewise.
11229 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11230 * tree-sra.c (sra_replace): Likewise.
11231 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11232 (forward_propagate_single_use_vars): Likewise.
11233 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11234 * tree-inline.c (expand_call_inline): Likewise.
11235 * tree-vect-transform.c (vect_transform_loop): Likewise.
11236 * tree-outof-ssa.c (rewrite_trees): Likewise.
11237 * tree-cfg.c (make_goto_expr_edges): Likewise.
11238 (cleanup_dead_labels): Likewise.
11239 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11240 (bsi_move_before, bsi_move_after): Likewise.
11241 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11242 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11244 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11246 PR tree-opt/25528
11247 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11248 and IMAGPART_EXPR.
11249 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11250 on non gimple variables. Also add checks at the top for decls and
11251 mtags.
11252 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11253 complex types.
11254 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11255 and IMAGPART_EXPR for creating MUST_DEFs.
11256 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11257 and NAME_MEMORY_TAG separately from the DECLs.
11259 2006-01-06 Richard Guenther <rguenther@suse.de>
11261 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11262 annotation, if necessary.
11263 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11264 redundant calls to update_stmt.
11265 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11266 Likewise.
11268 2006-01-05 Richard Henderson <rth@redhat.com>
11270 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11272 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11274 * c-typeck.c: Update copyright date.
11276 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11278 * c-typeck.c (build_c_cast): Always warn when casting
11279 from a pointer to an integer of different size, even if
11280 the node was constant.
11282 2006-01-05 Richard Guenther <rguenther@suse.de>
11284 PR tree-optimization/22555
11285 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11286 if one structure field is an array.
11287 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11288 operands even if we found a subvar, but ignore VOPs in this
11289 case.
11290 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11291 for renaming.
11292 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11294 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11296 PR middle-end/24998
11297 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11299 2006-01-05 Richard Guenther <rguenther@suse.de>
11300 Diego Novillo <dnovillo@redhat.com>
11302 * tree-pass.h (TODO_remove_unused_locals): Define.
11303 * gimple-low.c (expand_var_p, remove_useless_vars,
11304 pass_remove_useless_vars): Remove. Update all users.
11305 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11306 (remove_unused_locals): New function.
11307 * tree-flow.h (remove_unused_locals): Declare.
11308 * passes.c (execute_todo): Call remove_unused_locals if
11309 TODO_remove_unused_locals is set.
11310 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11311 * tree-ssa-dce.c (pass_dce): Likewise.
11312 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11314 2006-01-05 Richard Guenther <rguenther@suse.de>
11316 * tree-flow.h (struct fieldoff): Decompose field to
11317 type, size and decl.
11318 * tree-ssa-alias.c (create_sft): Take type as parameter.
11319 (create_overlap_variables_for): Store type, size and decl
11320 in the fieldoff structure.
11321 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11322 of struct fieldoff.
11323 (push_fields_onto_fieldstack): Likewise.
11324 (create_variable_info_for): Likewise. Use offset for the
11325 SFT name if the decl is not available.
11327 2006-01-04 Paul Brook <paul@codesourcery.com>
11329 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11331 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11333 * lambda-code.c (can_put_in_inner_loop): Relax
11334 restrictions.
11335 (can_put_after_inner_loop): New function.
11336 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11337 (perfect_nestify): Change to make copies and modify uses.
11339 2006-01-04 Richard Henderson <rth@redhat.com>
11341 Merge from gomp branch:
11342 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11343 via integer constant.
11344 (pragma_lex): Remove.
11345 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11346 rather than parsing it.
11347 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11348 handle_pragma_extern_prefix): Add %< %> quotes.
11349 (registered_pragmas): New.
11350 (c_register_pragma_1): New.
11351 (c_register_pragma): Use it.
11352 (c_register_pragma_with_expansion): Likewise.
11353 (c_invoke_pragma_handler): New.
11354 (init_pragma): Use cpp_register_deferred_pragma directly for
11355 pch_preprocess.
11356 * c-pragma.h (enum pragma_kind): New.
11357 (pragma_handler): New.
11358 (c_invoke_pragma_handler): Declare.
11359 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11360 CPP_PRAGMA_EOL.
11361 * c-common.h (c_common_pch_pragma): Update decl.
11362 * Makefile.in (c-parser.o): Update dependencies.
11363 (GTFILES): Add c-pragma.h.
11364 * c-parser.c (struct c_token): Add pragma_kind.
11365 (struct c_parser): Add in_pragma.
11366 (c_lex_one_token): Always initialize keyword and pragma_kind.
11367 Extract data for CPP_PRAGMA.
11368 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11369 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11370 Don't allow CPP_PRAGMA_EOL if in_pragma.
11371 (c_parser_consume_pragma): New.
11372 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11373 (c_parser_skip_to_end_of_parameter): Likewise.
11374 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11375 (c_parser_skip_to_pragma_eol): New.
11376 (c_parser_external_declaration): Handle CPP_PRAGMA.
11377 (c_parser_compound_statement_nostart): Likewise.
11378 (c_parser_statement_after_labels): Likewise.
11379 (c_parser_pragma): New.
11380 (pragma_lex): Likewise.
11381 (c_parser_pragma_pch_preprocess): New.
11382 (c_parser_new): Merge into ...
11383 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11385 2006-01-04 Jeff Law <law@redhat.com>
11387 PR ada/24994
11388 * tree-cfg.c (bsi_replace): Remove the original statement
11389 from the EH throw statement table.
11391 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11393 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11394 make the prototype extern "C" and add throw ().
11396 PR target/25554
11397 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11398 and pos non-negative and pos + len <= 32.
11399 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11400 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11401 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11403 PR c/25559
11404 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11405 as well as sizes not multiple of component size.
11407 PR debug/25562
11408 * function.c (instantiate_expr): New function.
11409 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11410 walk its DECL_VALUE_EXPR with instantiate_expr.
11412 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11413 DW_OP_deref{,_size} if address isn't going to be added.
11415 2006-01-04 Ben Elliston <bje@au.ibm.com>
11417 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11418 * config/fp-bit.c: Likewise.
11420 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11422 * dominance.c: Add comment about why we use DFS numbering
11423 of dominance tree.
11425 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11426 Richard Henderson <rth@redhat.com>
11428 Merge from gomp-branch:
11429 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11430 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11432 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11434 PR rtl-optimization/25578
11435 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11436 pass a parameter to simplify_shift_const if changing ASHIFTRT
11437 to LSHIFTRT.
11439 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11441 * builtins.c (get_builtin_sync_mem): New function.
11442 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11443 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11444 Call get_builtin_sync_mem to generate mem rtx.
11446 2006-01-03 Richard Guenther <rguenther@suse.de>
11448 PR c/25183
11449 * stmt.c (add_case_node): Make sure to clear overflow flags
11450 from ranges.
11452 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11454 Merge from gomp-branch.
11455 * config/sparc/sync.md: New file.
11456 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11457 UNSPECV_LDSTUB): New constants.
11458 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11459 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11460 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11461 prototype.
11463 2006-01-03 Roger Sayle <roger@eyesopen.com>
11465 * combine.c (reg_subword_p): New predicate to test whether the
11466 destination of a set refers to a subword/piece of a register.
11467 (try_combine): Generalize the code to merge the setting of a
11468 pseudo to a constant followed by a set of a subword of that
11469 register to a constant.
11471 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11473 * basic-block.h (control_flow_graph): Change the type of
11474 x_label_to_block_map to VEC(basic_block,gc) *.
11475 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11476 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11478 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11479 VEC(basic_block,heap) *.
11480 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11481 ssa_prop_fini): Adjust the uses of cfg_blocks.
11483 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11485 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11486 COMPONENT_REFs.
11487 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11488 hashing trees instead of a pointer hash.
11489 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11490 compare for MEM_EXPR.
11492 PR rtl-optimization/25130
11493 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11494 when comparing MEMs for GCSE
11496 2006-01-03 Ben Elliston <bje@au.ibm.com>
11498 * targhooks.h (default_decimal_float_supported_p): Declare.
11499 * targhooks.c (default_decimal_float_supported_p): Define.
11500 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11501 `default_decimal_float_supported_p'.
11502 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11504 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11506 * combine.c (apply_distributive_law <SUBREG>): Check
11507 TRULY_NOOP_TRUNCATION.
11509 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11511 * dwarf2out.c (have_switched_text_section): Delete.
11512 (have_multiple_function_sections): New.
11513 (have_location_lists): Make 'bool'.
11514 (add_AT_loc_list): Use 'true' not '1'.
11515 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11516 (output_loc_list): Use have_multiple_function_sections.
11517 (output_ranges): Likewise.
11518 (dwarf2out_begin_function): Set have_multiple_function_sections if
11519 necessary.
11520 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11521 Check function_section rather than DECL_SECTION_NAME.
11522 (dwarf2out_finish): Use have_multiple_function_sections.
11523 Don't clear have_location_lists.
11525 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11526 Jan Hubicka <jh@suse.cz>
11528 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11529 case of conditional jump jumping to the next instruction.
11530 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11531 cases of conditional jump jumping to the next instruction.
11533 2006-01-02 Jan Hubicka <jh@suse.cz>
11535 * i386.c (*_cost): Add COSTS_N_INSNS.
11536 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11538 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11540 PR target/25259
11541 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11543 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11545 * config/arm/arm.c (all_fpus): Fix comment typo.
11546 * config/darwin.c: Likewise.
11547 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11548 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11549 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11551 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11553 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11554 (rs6000_split_compare_and_swapqhi): New.
11555 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11556 (sync_compare_and_swapqhi_internal): New.
11557 * config/rs6000/rs6000-protos.h: Declare.