1 2006-12-04 Jakub Jelinek <jakub@redhat.com>
4 * omp-low.c (expand_omp_for_static_nochunk,
5 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
9 * omp-low.c (determine_parallel_type): Don't try to optimize combined
10 parallels if region->exit or region->inner->exit is NULL.
11 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
13 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
14 (expand_omp_for): Use expand_omp_for_generic if either region->cond
15 or region->exit is NULL.
16 (expand_omp_sections): Handle NULL region->cond or region->exit.
19 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
21 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
22 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
24 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
26 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
27 TYPE_MAX_VALUE for scalar types here but...
28 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
29 is attached an error mark, and the return value of the callback
30 if it is not NULL_TREE.
32 2006-12-04 Ben Elliston <bje@au.ibm.com>
34 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
36 2006-12-03 Eric Christopher <echristo@apple.com>
39 * config/t-slibgcc-darwin: Pass -install_name.
40 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
41 libtool. Only pass through options that the linker recognizes.
42 (LINK_SPEC): Update comment. Translate options.
43 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
44 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
46 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
48 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
50 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
53 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
54 operands[1] in insn constraint. Correct type attribute to sselog1.
56 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
59 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
61 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
64 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
65 -march=native if there is no -mtune=*.
67 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
70 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
72 * doc/install.texi: Update recommended MPFR version. Remove
73 obsolete reference to cumulative patch.
75 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
78 * c-decl.c (store_parm_decls_oldstyle): Robustify.
80 2006-11-30 Jan Hubicka <jh@suse.cz>
81 Uros Bizjak <ubizjak@gmail.com>
83 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
84 32bit memcpy/memset decriptors.
85 (decide_alg): With -minline-all-stringops and sizes that are best
86 to be copied via libcall still work hard enough to pick non-libcall
89 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
91 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
93 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
94 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
95 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
96 config/sh/sh4-300.md, config/spu/spu-builtins.def,
97 config/spu/spu-c.c, config/spu/spu-modes.def,
98 config/spu/spu.c, config/spu/spu.md,
99 config/spu/spu_internals.h, config/spu/vmx2spu.h,
100 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
101 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
102 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
103 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
104 spelling conventions.
106 * config/i386/i386.c: Fix a comment typo.
108 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
110 * config/spu/spu.c (spu_immediate): Remove trailing comma.
111 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
112 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
114 (floatv4siv4sf2): New.
115 (fix_truncv4sfv4si2): New.
116 (floatunsv4siv4sf2): New.
117 (fixuns_truncv4sfv4si2): New.
125 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
126 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
127 spu_resolve_overloaded_builtin instead of static inline functions.
129 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
131 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
132 type instead of the size of its mode to compute the highest and
133 lowest possible values. Still check the size of the mode before
134 flipping the signedness of the comparison.
136 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
138 * config/spu/predicates.md (spu_mov_operand): Add.
139 * config/spu/spu.c (spu_expand_extv): Remove unused code.
140 (print_operand_address, print_operand): Handle addresses containing AND.
141 (spu_split_load, spu_split_store): Use updated movti pattern.
142 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
143 stores in mov patterns for correct operation of reload.
144 (lq, lq_<mode>, stq, stq_<mode>): Remove.
146 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
149 * c-common.c (check_main_parameter_types): Check for error_mark_node.
151 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
153 * common.opt (ftree-combine-temps): Remove.
154 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
155 (coalesce_ssa_name): Don't check for combine-temps.
156 (coalesce_vars): Remove.
157 (check_replaceable): Use num_imm_uses.
158 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
159 check for combine-temps.
160 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
161 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
162 to register_ssa_partition calls.
163 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
164 (init_var_map, delete_var_map): remove refernces to ref_count.
165 (create_ssa_var_map): Never calculate a ref count.
166 (type_var_init): Remove.
167 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
168 (SSA_VAR_MAP_REF_COUNT): Delete.
169 (create_ssa_var_map): Change Prototype to have no parameters.
170 (version_ref_count): Delete.
171 (register_ssa_partition): Remove 'is_use' paramater and don't set the
173 (type_var_num, type_var, type_var_first_partition,
174 type_var_next_partition, type_var_dump, type_var_delete,
175 type_var_remove_partition, type_var_find, type_var_compact,
176 type_var_decompact): Remove.
178 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
180 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
183 2006-12-01 Richard Guenther <rguenther@suse.de>
186 * dwarf2out.c (struct pubname_struct): Make name const.
187 (add_pubtype): Do not xstrdup identifiers.
189 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
191 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
192 multiword accesses are in range.
194 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
196 PR tree-optimization/29921
197 * tree-ssa-ccp.c (canonicalize_float_value): New function.
198 (set_lattice_value): Use canonicalize_float_value.
200 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
202 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
203 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
204 (spu_cpu_cpp_builtins): Remove.
205 (spu_override_options): Don't set warn_main.
206 (spu_force_reg): Move from spu-c.c.
207 (spu_check_builtin_parm): Likewise.
208 (expand_builtin_args): Likewise.
209 (spu_expand_builtin_1): Likewise.
210 (spu_expand_builtin): Likewise.
211 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
212 warn_main and targetm.resolve_overloaded_builtin.
213 * config/spu/spu-c.c (spu_builtin_range): Remove.
214 (spu_check_builtin_parm): Remove.
215 (expand_builtin_args): Remove.
216 (spu_expand_builtin_1): Remove.
217 (spu_expand_builtin): Remove.
218 (spu_cpu_cpp_builtins): Moved from spu.c
219 (spu_force_reg): Remove.
221 2006-12-01 Joseph Myers <joseph@codesourcery.com>
222 David Edelsohn <edelsohn@gnu.org>
225 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
226 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
227 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
228 HARD_REGNO_NREGS_WITH_PADDING): Define.
229 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
230 HARD_REGNO_NREGS_WITH_PADDING): Define.
231 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
232 Use new macros to detect modes with holes; do not look at integer
234 (subreg_offset_representable_p): Check for and disallow cases
235 where the modes use different numbers of bits from registers.
236 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
237 constant for soft-float.
238 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
240 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
242 * config/rs6000/rs6000.md (movtf): Allow soft-float.
243 (movtf_softfloat): New.
245 2006-11-30 Richard Sandiford <richard@codesourcery.com>
247 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
250 2006-11-30 Andrew Macleod <amacleod@redhat.com>
252 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
253 (COALESCE_HASH_FN): New. Define hash function.
254 (partition_pair_map_hash): New. Hash value for a partition pair.
255 (partition_pair_map_eq): New. Equality for hash pairs.
256 (create_coalesce_list): Create hash table.
257 (delete_coalesce_list): Free hash table.
258 (find_partition_pair): Find/create pairs in hash table.
259 (compare_pairs): Sort pairs in ascending order now.
260 (num_coalesce_pairs): New. Number of pairs in hash table.
261 (struct partition_pair_iterator): Iterator struct for pair table.
262 (first_partition_pair): Iterator function for first pair.
263 (end_partition_pair_p): Iterator function for end of iteration.
264 (next_partition_pair): Iterator function for next pair.
265 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
266 (sort_coalesce_list): Sort pairs from hash table into an array.
267 (pop_best_coalesce): Take pairs from the array.
268 (dump_coalesce_list): Update to use hash table or sorted array.
269 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
270 (struct coalesce_list_d): Add hash table related fields.
272 2006-11-30 Jan Hubicka <jh@suse.cz>
275 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
276 memmove/bcopy->memcpy conversion.
278 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
280 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
281 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
282 Default is the largest alignment supported for 32-bit ELF and
283 representable on a 32-bit host.
285 2006-11-30 Janis Johnson <janis187@us.ibm.com>
287 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
289 2006-11-30 Jan Hubicka <jh@suse.cz>
291 * tree-ssa-operands.h (struct ssa_operands): New.
292 * tree-flow-inline.h (gimple_ssa_operands): New function.
293 * tree-flow.h: (struct gimple_df): Add ssa_operands.
294 * Makefile.in: Remove gt-tree-ssa-operands.h
295 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
296 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
297 operand_memory, operand_memory_index, ops_active): Remove statics.
298 (ALLOC_OPTYPE): Update.
299 (operand_build_sort_virtual): Update.
300 (ssa_operands_active): Update.
301 (init_ssa_operands): Update.
302 (fini_ssa_operands): Update.
303 (ssa_operand_alloc): Update.
304 (INITIALIZE_USE): Update.
305 (finalize_ssa_use_ops): Update.
306 (finalize_ssa_v_may_def_ops): Update.
307 (finalize_ssa_vuse_ops): Update.
308 (finalize_ssa_v_must_def_ops): Update.
310 2006-11-30 Richard Guenther <rguenther@suse.de>
312 * tree-vectorizer.h (vectorizable_function): Export.
313 * tree-vect-transform.c (vectorizable_function): Likewise.
314 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
315 type_in to scalar type in recognition of squaring.
316 Make sure the target can vectorize sqrt in recognition
317 of sqrt, set type_in to vector type in this case.
319 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
321 * config/i386/i386.md (R10_REG): New constant.
322 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
323 (ix86_emit_restore_regs_using_mov): Ditto.
324 (ix86_expand_call): Ditto.
325 (x86_output_mi_thunk): Ditto. Also use R10_REG.
327 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
329 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
330 * alias.c (canon_true_dependence): Update comment.
332 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
334 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
335 at the end of a diagnostics message.
337 * alloc-pool.c (pool_free): Postpone clearing the pool entry
338 until after asserting that it was allocated in the right pool.
340 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
341 successor edge information as well. Make output of live regs
342 on exit consistent with live regs on entry.
344 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
347 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
348 insn patterns for TARGET_80387.
349 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
350 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
351 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
352 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
353 Generate truncxf<mode>2 insn patterns for strict SSE math.
355 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
357 * config/i386/i386.md (movsf_1): Enable pattern for standard
358 80387 constants before reload when optimizing for size.
359 (*movdf_nointeger, *movdf_integer): Ditto.
360 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
361 80387 constants before reload when not optimizing for size.
363 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
364 extension of XFmode input operands.
366 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
368 * config/spu/crt0.c (__dso_handle): Define.
370 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
372 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
373 when clearing the used flags.
375 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
377 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
379 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
382 * config/spu/spu.md (extend_compare<mode>): New pattern.
383 (extend_compare): Change to expand and use the above pattern.
385 2006-11-29 Janis Johnson <janis187@us.ibm.com>
387 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
389 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
390 (DFP_INIT_ROUNDMODE): Define.
391 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
392 * mklibgcc.in: Fix dependencies for dfp-bit.c.
394 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
396 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
397 Update documentation.
398 (associate_line_notes_with_blocks): Kill.
399 (extend_bb): Remove basic block argument, put void instead.
400 Remove line number handling for each bb.
401 (save_line_notes): Kill.
402 (restore_line_notes): Kill.
403 (sched_init): Remove line_note_head initialization.
404 Change extend_bb call.
405 (sched_finish): Remove free of line_note_head.
406 (add_block): Change extend_bb call.
407 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
408 rm_line_notes and restore_line_notes calls.
409 (schedule_ebbs): Remove rm_redundant_line_notes.
410 * sched-int.h (struct haifa_insn_data): Remove line_note.
411 (save_line_notes): Remove declaration.
412 (restore_line_notes): Remove declaration.
413 * modulo-sched.c (loop_canon_p): Update debug info printing
414 by using insn locators instead of line note.
415 (sms_schedule): Update debug info printing, by using insn
416 locators instead of line note.
417 * sched-rgn.c (debug_dependencies): Remove handling of case
418 n>0 (line number), since it's a dead code.
419 (schedule_region): Remove save_line_notes and
420 restore_line_notes calls.
422 2006-11-29 Joseph Myers <joseph@codesourcery.com>
424 * config/rs6000/predicates.md (gpc_reg_operand): Check
426 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
427 SImode subregs of SPE vectors.
428 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
429 * jump.c (true_regnum): Require subregs to satisfy
430 subreg_offset_representable_p.
432 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
433 Steven Bosscher <stevenb.gcc@gmail.com>
435 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
436 since it no longer exists.
438 2006-11-29 Duncan Sands <baldrick@free.fr>
440 PR tree-optimization/23744
441 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
443 2006-11-29 Duncan Sands <baldrick@free.fr>
445 PR tree-optimization/23744
446 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
448 2006-11-29 Duncan Sands <baldrick@free.fr>
450 PR tree-optimization/23744
451 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
453 2006-11-29 Jie Zhang <jie.zhang@analog.com>
455 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
457 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
459 * sh.opt (minline-ic_invalidate): New option.
460 (musermode): Adjust comment.
461 * sh.c (sh_initialize_trampoline): Emit library call unless
462 is set; if it is set, don't emit library call if we can use icbi
464 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
465 icbi for TARGET_SH4_300.
466 * t-sh (LIB1ASMFUNCS_CACHE): Set.
467 * doc/invoke.texi: Document -minline-ic_invalidate; Update
468 -musermode documentation.
470 2006-11-29 Jim Tison <jtison@us.ibm.com>
472 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
473 __gthread_recursive_mutex_init): Define.
475 2006-11-29 Joseph Myers <joseph@codesourcery.com>
477 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
478 STRICT_ALIGNMENT and the type is more aligned than the saved
479 registers, copy via a temporary.
481 2006-11-28 Andrew Pinski <pinskia@gmail.com>
484 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
487 2006-11-28 Bob Wilson <bob.wilson@acm.org>
489 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
491 2006-11-28 Jan Hubicka <jh@suse.cz>
493 Privatize SSA variables into gimple_df.
495 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
496 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
497 gimple_nonlocal_all): New accessors.
498 (first_referenced_var): Update.
499 (mark_stmt_modified): Update.
500 (is_call_clobbered): Update.
501 (mark_call_clobbered): Update.
502 (clear_call_clobbered): Update.
503 (mark_non_addressable): Update.
504 * tree-vrp.c (get_value_range): Update.
505 * tree-into-ssa.c (in_ssa_p): Kill.
506 (get_default_def_for): Update.
507 (rewrite_into_ssa): Update.
508 * tree-complex.c (init_parameter_lattice_values): Update.
509 (update_complex_assignment): Update.
510 (update_parameter_components): Update.
511 (expand_complex_libcall): Update.
512 (expand_complex_operations_1): Update.
513 * tree-tailcall.c (arg_needs_copy_p): Update.
514 (add_virtual_phis): Update.
515 (tree_optimize_tail_calls_1): Update.
516 * tree-ssa-dse.c (memory_ssa_name_same): Update.
517 * tree-ssa-copyrename.c
518 (copy_rename_partition_coalesce): Update.
519 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
520 * tree-ssa-propagate.c (set_rhs): Update.
521 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
522 addressable_vars, global_var):Kill.
523 (set_initial_properties): Update.
524 (init_alias_info): Update.
525 (finalize_ref_all_pointers): Update.
526 (setup_pointers_and_addressables): Update.
527 (maybe_create_global_var): Update.
528 (create_global_var): Update.
529 (dump_points_to_info): Update.
530 * function.h (struct gimple_df): Forward declare.
531 (struct function): Add GIMPLE_DF field.
532 * gimplify.c (force_gimple_operand): Update.
533 * tree-dfa.c (referenced_vars, default_defs): KIll.
534 (make_rename_temp): Update.
535 (dump_variable): Update.
536 (referenced_var_lookup): Update.
537 (referenced_var_check_and_insert): Update.
538 (default_def): Rename to ...
539 (gimple_default_def): ... this one; accept cfun argument.
540 (set_default_def): Update.
541 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
542 (cleanup_control_flow): Update.
543 * tree-ssa-pre.c (compute_avail): Update
544 * tree-ssa-live.c (calculate_live_on_entry): Update.
545 * tree-ssa.c (verify_use): Update.
546 (verify_call_clobbering): Update.
547 (verify_call_clobbering): Update.
548 (init_tree_ssa): Update.
549 (delete_tree_ssa): Update.
550 * tree-outof-ssa.c (coalesce_ssa_name): Update.
551 (rewrite_out_of_ssa): Update.
552 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
553 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
555 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
556 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
557 addressable_vars, aliases_computed_p): Kill.
558 (default_def): Rename to...
559 (gimple_default_def): ... this one.
560 (defaule_def_fn): Kill.
561 (num_referenced_vars, ssa_names, num_ssa_names): Update.
562 * tree-ssa-structalias.c (nonlocal_all): Kill.
563 (get_constraint_exp_from_ssa_var): Update.
564 (create_nonlocal_var): Update.
565 (get_constraint_for): Update.
566 (update_alias_info): Update.
567 (find_global_initializers): Update.
568 (intra_create_variable_infos): Update.
569 (intra_create_variable_infos):
570 (find_what_p_points_to): Update.
571 (init_alias_heapvars): Update.
572 * tree-cfg.c (remove_bb): Update.
573 (gimplify_val): Update.
574 * tree-ssa-reassoc.c (get_rank): Update.
575 (init_reassoc): Update.
576 * tree-ssanames.c: Do not include gt-tree-ssanames.h
577 (ssa_names, free_ssanames): Kill.
578 (init_ssanames): Update.
579 (make_ssa_name): Update.
580 (release_ssa_name): Update.
581 (release_defs): Update.
582 (replace_ssa_name_symbol): Update.
583 * tree-ssa-operands.c (access_can_touch_variable): Update.
584 (add_virtual_operand): Update.
585 (add_call_clobber_ops): Update.
586 (add_call_read_ops): Update.
587 (get_call_expr_operands): Update.
588 (get_asm_expr_operands): Update.
590 2006-11-28 Jan Hubicka <jh@suse.cz>
592 * builtins.c: Include tree-flow.h.
593 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
594 assignment; convert memmove to memcpy for sizes greater than 1 where
595 alignment of operands prohibit the partial overlap.
597 2006-11-28 Jan Hubicka <jh@suse.cz>
599 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
600 * cgraph.c (dump_cgraph_node): Dump stack usage.
601 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
602 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
603 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
604 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
605 (cgraph_check_inline_limits): Limit stack growth.
606 * cfgexpand.c: Include tree-inline.h.
607 (account_stack_vars): New function.
608 (expand_one_var): New param to just account the stack; return estimated
610 (expand_used_vars_for_block): Update call of expand_one_var.
611 (account_used_vars_for_block): New function.
612 (estimated_stack_frame_size): Likewise.
613 (init_vars_expansion, fini_vars_expansion): Break out from..
614 (expand_used_vars): ... here.
615 * tree-inline.h (estimated_stack_frame_size): Declare.
616 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
618 2006-11-28 Richard Guenther <rguenther@suse.de>
620 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
621 unsigned long for printing OBJECT_SIZE.
623 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
625 * alias.c (init_alias_analysis): Remove simplification loop
626 after propagating pointers.
628 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
630 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
633 2006-11-27 Bob Wilson <bob.wilson@acm.org>
635 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
637 2006-11-27 Roger Sayle <roger@eyesopen.com>
638 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
640 * c-common.c (constant_fits_type_p): Delete.
641 (unsigned_conversion_warning): Delete.
642 (conversion_warning): Integrate Wconversion warning from
643 unsigned_conversion_warning.
644 (convert_and_check): Integrate Woverflow warning from
645 unsigned_conversion_warning. Reorganize and simplify to avoid
646 dependence upon the middle-end setting TREE_OVERFLOW on integral
647 conversions, by using int_fits_type_p directly.
649 2006-11-27 Tobias Burnus <burnus@net-b.de>
651 * doc/invoke.texi: Fixed typo.
653 2006-11-27 Michael Matz <matz@suse.de>
654 Andreas Krebbel <krebbel1@de.ibm.com>
657 * config/s390/predicates.md (larl_operand): Check addend of larl
658 operand to be in range of -/+2GB.
659 * config/s390/s390.c (legitimize_pic_address): Likewise.
660 Changed type of variable even to HOST_WIDE_INT.
662 2006-11-27 Jan Hubicka <jh@suse.cz>
664 * expr.c (emit_block_move_via_libcall): Export.
665 (clear_storage_via_libcall): Rename to ...
666 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
667 (clear_storage): Update to set_storage_via_libcall.
668 * expr.h (emit_block_move_via_libcall): Declare
669 * config/i386/i386.h (stringop_alg): New enum.
670 (MAX_STRINGOP_ALGS): New constant.
671 (stringop_algs): New struct.
672 (processor_costs): Add memcpy/memset descriptors.
673 (TARGET_REP_MOVEL_OPTIMAL): Remove.
674 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
675 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
677 * config/i386/i386.opt (minline-stringops-dynamically,
678 mstringop-strategy): New
680 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
681 (ix86_expand-clrmem): Rename to ...
682 (ix86_expand_setmem): ... this one; update prototype.
683 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
684 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
685 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
686 nocona_cost, core2_cost, generic_cost, generic64_cost,
687 generic32_cost): Add memcpy/memset descriptors.
688 (x86_rep_movl_optimal): Remove.
689 (stringop_alg): New static variable.
690 (ix86_expand_aligntest): Handle predictions.
691 (override_options): Add strgop_alg handling.
692 (predict_jump): New function.
693 (scale_counter): New function.
694 (expand_set_or_movmem_via_loop): New function.
695 (expand_movmem_via_rep_mov): New function.
696 (expand_setmem_via_rep_stots): New function.
697 (emit_strmov): New function.
698 (expand_movmem_epilogue): New function.
699 (expand_setmem_epilogue_via_loop): New function.
700 (expand_setmem_epilogue): New function.
701 (expand_movmem_prologue): New function.
702 (expand_setmem_prologue): New function.
703 (decide_alg): New function.
704 (decide_alignment): New function.
705 (ix86_exand_movmem): Rewrite.
706 (promote_duplicated_reg): New function.
707 (ix86_expand_clrmem): Rename to ...
708 (ix86_expand_setmem): ... this one. Rewrite.
710 * invoke.texi (minline-stringops-dynamically): New command line option.
711 (mstringop-strategy): Likewise.
713 2006-11-27 Jan Hubicka <jh@suse.cz>
715 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
716 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
717 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
718 * insn-notes.def (FUNCTION_END): Remove.
719 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
720 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
722 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
723 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
724 * cfglayout.c (duplicate_insn_chain): Don't worry about
727 2006-11-27 Richard Guenther <rguenther@suse.de>
728 Zdenek Dvorak <dvorakz@suse.cz>
730 * target.h (struct gcc_target): Add builtin_vectorized_function
732 * target-def.h (TARGET_VECTORIZE): Likewise.
733 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
734 Document new target hook.
735 * targhooks.h (default_builtin_vectorized_function): Declare.
736 * targhooks.c (default_builtin_vectorized_function): Define.
737 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
738 (vectorizable_call): Declare.
739 * tree-vect-analyze.c (vect_analyze_operations): Call
741 * tree-vect-transform.c (vectorizable_function): New static function.
742 (build_vectorized_function_call): Likewise.
743 (vectorizable_call): New function.
744 (vect_transform_stmt): Handle vectorizable calls.
746 2006-11-27 Richard Guenther <rguenther@suse.de>
749 * builtins.c (expand_builtin_pow): Optimize non integer valued
750 constant exponents using sqrt or cbrt if possible. Always fall back
751 to expanding via optabs.
753 2006-11-27 Ira Rosen <irar@il.ibm.com>
755 PR tree-optimization/22372
756 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
757 the type of the base address.
758 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
759 it in the data-ref pointer creation.
760 (vect_init_vector): Add an argument, type of the init vector. Use it in
762 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
763 (get_initial_def_for_reduction): Likewise.
764 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
766 (vectorizable_assignment, vect_permute_store_chain): Likewise.
767 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
768 correct type in stmt creation.
769 (vect_setup_realignment): Use the correct type in stmt creation.
770 (vect_permute_load_chain): Change type of MODIFY_EXPR to
772 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
773 of MODIFY_EXPR to void_type_node.
774 (vectorizable_condition): Change type of MODIFY_EXPR to
776 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
779 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
782 2006-05-08 Uros Bizjak <uros@kss-loka.si>
783 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
784 standard 80387 constants, raise the cost to prevent
785 compress_float_constant() to generate load from memory.
787 * config/i386/i386.md: Add new splitter pattern to split
788 float_extended load of constant from constant pool into
791 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
793 * doc/install.texi: Move GMP/MPFR configure options from Fortran
794 section to general section. Remove documentation for
795 --with-mpfr-dir and --with-gmp-dir, add documentation for
796 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
799 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
801 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
803 * testsuite/gcc.dg/ipa/ipa-6.c: New.
805 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
807 PR tree-optimization/29122
808 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
809 for the new version. Assign NULL to DECL_RTL of the new version.
811 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
813 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
815 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
817 * cse.c (cse_altered): Remove.
818 (record_jump_equiv): Make true/false argument a bool instead
820 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
821 where appropriate. Emit a new jump before the existing one
822 instead of after so that delete_insn_and_edges removes the
823 dead edges properly. Check any_condjump_p before calling
825 (cse_basic_block): Check any_condjump_p before calling
827 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
829 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
831 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
832 -ffixed-line-length-* options.
834 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
836 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
837 (fprem1xf4): Rename to fprem1xf4_i387.
839 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
840 Rename patterns to fmod<mode>3. Use general_operand operand
841 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
842 patterns for SSE math.
843 (remaindersf3, remainderdf3): Ditto.
845 2006-11-25 Joseph Myers <joseph@codesourcery.com>
847 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
848 inside start_sequence / end_sequence pair.
850 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
852 * jump.c (mark_all_labels): Work in cfglayout mode.
853 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
854 when in cfglayout mode, because there are no dead jumptables
856 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
858 (commit_edge_insertions): Do not allow insertion of instructions
859 with control flow insns when in cfglayout mode.
861 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
863 * tree-vrp.c (execute_vrp): Do not pass loops structure through
865 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
866 unswitch_loop): Ditto.
867 * tree-loop-linear.c (linear_transform_loops): Ditto.
868 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
869 tree_ssa_lim): Ditto.
870 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
871 free_numbers_of_iterations_estimates): Ditto.
872 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
873 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
874 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
875 remove_path, add_loop, loopify, unloop, fix_loop_placements,
876 place_new_loop, duplicate_loop, duplicate_subloops,
877 update_single_exit_for_duplicated_loops, copy_loops_to,
878 duplicate_loop_to_header_edge, create_preheaders,
879 force_single_succ_latches, loop_version, fix_loop_structure):
881 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
882 tree_unroll_loop): Ditto.
883 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
884 * tree-scalar-evolution.c (select_loops_exit_conditions,
885 scev_initialize, scev_analysis): Ditto.
886 * tree-scalar-evolution.h (scev_initialize): Ditto.
887 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
888 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
889 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
890 * modulo-sched.c (sms_schedule): Ditto.
891 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
892 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
893 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
894 * ifcvt.c (if_convert): Ditto.
895 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
896 canonicalize_loop_induction_variables,
897 canonicalize_induction_variables,
898 tree_unroll_loops_completely, remove_empty_loops): Ditto.
899 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
900 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
901 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
902 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
903 tree_ssa_loop_done): Ditto.
904 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
905 estimate_bb_frequencies): Ditto.
906 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
907 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
908 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
909 decide_unrolling_and_peeling, peel_loop_completely,
910 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
911 peel_loop_simple, unroll_loop_stupid): Ditto.
912 * loop-doloop.c (doloop_optimize_loops): Ditto.
913 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
914 * loop-invariant.c (move_loop_invariants): Ditto.
915 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
916 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
917 tree_ssa_prefetch_arrays): Ditto.
918 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
920 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
921 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
922 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
923 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
924 verify_loop_structure): Ditto.
925 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
926 canonicalize_induction_variables, tree_unroll_loops_completely,
927 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
928 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
929 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
930 tree_unroll_loop, linear_transform_loops): Declaration changed.
931 * basic-block.h: Remove declaration of struct loops.
932 * cfghooks.h (struct cfg_hooks): Change type of
933 cfg_hook_duplicate_loop_to_header_edge.
934 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
935 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
936 vect_transform_loop): Declaration changed.
937 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
938 * cfgloop.h (flow_loops_dump, fix_loop_structure,
939 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
940 cancel_loop_tree, create_preheaders, force_single_succ_latches,
941 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
942 loopify, loop_version, remove_path, unswitch_loops,
943 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
946 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
948 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
949 (X87MODEF): New mode macro.
950 (ssemodefsuffix): New mode attribute.
951 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
952 (sqrt_extend<mode>xf2_i387): New insn pattern.
953 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
954 insn and truncate result back to original mode using
955 UNSPEC_TRUNC_NOOP truncation.
956 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
957 ssemodefsuffix mode attribute.
958 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
959 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
960 (*sqrtextenddfxf2_i387): Remove insn patterns.
962 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
965 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
967 2006-11-24 Jakub Jelinek <jakub@redhat.com>
970 * c-tree.h (c_maybe_initialize_eh): New prototype.
971 * c-decl.c (finish_decl): Move EH initialization...
972 (c_maybe_initialize_eh): ... here. New function.
973 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
974 if not #pragma omp atomic.
977 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
978 or UNION_TYPE inner types.
980 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
983 * ipa-pure-const.c (check_tree): If the original tree
984 is volatile return early and say the function is not pure
985 nor const. Remove the volatile check for writes.
986 (analyze_function): Print out the result of the local
989 2006-11-24 Joseph Myers <joseph@codesourcery.com>
991 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
993 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
994 * config/rs6000/rs6000.c (rs6000_override_options): Use
995 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
998 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
1000 * config/s390.c (s390_emit_compare_and_swap): New function.
1001 (s390_expand_cs_hqi, s390_expand_atomic): Call
1002 s390_emit_compare_and_swap.
1004 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1006 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
1008 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1012 * c-common.c (conversion_warning): New.
1013 (convert_and_check): Call conversion_warning unless there is an
1015 * doc/invoke.texi (-Wconversion): Update description.
1017 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
1019 * tree-ssa-alias.c (tree_pointer_compare): New function.
1020 (compact_name_tags): New function.
1021 (group_aliases): Call compact_name_tags.
1023 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1025 * real.h (real_isinteger): Declare.
1026 * real.c (real_isinteger): Define.
1027 * builtins.c (integer_valued_real_p): Use it.
1029 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1032 * c.opt (Wtraditional-conversion): New.
1033 (Wconversion): Update description.
1034 * c-typeck.c (convert_arguments): Warnings for prototypes causing
1035 type conversions different from what would happen in the absence
1036 of prototype are now handled by Wtraditional-conversion.
1037 * doc/invoke.texi (Wtraditional-conversion): New.
1038 (Wconversion): Update description.
1039 * doc/trouble.texi (Wconversion): Replace Wconversion by
1040 Wtraditional-conversion.
1042 2006-11-23 Andrew Pinski <pinskia@gmail.com>
1044 * predict.c (tree_estimate_probability): Check to make
1045 sure current_loops is non null before calling flow_loops_dump.
1047 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1049 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
1051 2006-11-23 David Ung <davidu@mips.com>
1053 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
1055 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
1056 (ASM_SPEC): Pass along -mfp32 and -mfp64.
1057 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
1058 high part of FP register when in 64-bit FP register mode. Similarly
1059 use gen_mfhc1 to load high part of FP register.
1060 (override_options): Allow -mgp32 and -mfp64 combination if
1061 ISA_HAS_MXHC1 (currently for O32 only).
1062 (mips_cannot_change_mode_class): If floating-point registers are
1063 bigger than word size. disallow conversion of float register from a
1064 large integer mode to a float mode smaller than the float register
1066 (mips_class_max_nregs): Handle float registers case seperately.
1067 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
1069 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
1070 (movdf_hardfloat_32bit): Similarly.
1071 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
1072 support a full 64-bit fpu.
1073 (mthc1): New pattern to generate MTHC1 instruction.
1074 (mfhc1): New pattern to generate MFHC1 instruction.
1075 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
1076 option for the MIPS32R2 and mention its use under O32 ABI.
1078 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1080 * var-tracking.c (emit_note_insn_var_location): Take care not to
1081 cause verify_flow_info failures.
1083 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
1085 * tree-ssa-structalias.c: Remove edge weights in favor of just
1086 processing them as complex constraints.
1087 (struct constraint_graph): Remove weighted succs and preds. Rename
1088 nonweighted succs and preds.
1089 (constraint_edge): Removed.
1090 (constraint_edge_t): Ditto.
1091 (constraint_edge_pool): Ditto.
1092 (new_constraint_edge): Ditto.
1093 (constraint_edge_equal): Ditto.
1094 (constraint_edge_less): Ditto.
1095 (constraint_edge_vec_find): Ditto.
1096 (erase_self_graph_edge): Ditto.
1097 (add_graph_edge): Removed.
1098 (get_graph_weights): Ditto.
1099 (allocate_graph_weights): Ditto.
1100 (valid_weighted_graph_edge): Ditto
1101 (bitmap_other_than_zero_bit_set): Ditto.
1102 (int_add_graph_edge): Renamed to add_graph_edge.
1103 (clear_edges_for_node): Remove support for weighted edges.
1104 (merge_graph_nodes): Ditto.
1105 (valid_graph_edge): Ditto.
1106 (build_constraint_graph): Ditto.
1108 (collapse_nodes): Ditto.
1109 (process_unification_queue): Ditto.
1110 (topo_visit): Ditto.
1111 (do_ds_constraint): Ditto.
1112 (perform_var_subsitution): Ditto.
1113 (solve_graph): Ditto.
1114 (init_alias_vars): Ditto.
1115 (delete_points_to_sets): Ditto.
1116 (do_complex_constraint): Support offsetted copies here.
1118 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
1120 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
1122 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
1124 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
1127 2006-11-23 Ben Elliston <bje@au.ibm.com>
1129 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
1131 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
1133 PR tree-optimization/29921
1134 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
1135 signed and unsigned zero equal.
1137 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
1139 * config/rs6000/rs6000.c (get_store_dest): New.
1140 (adjacent_mem_locations): Use get_store_dest() to get
1141 the rtl of the store destination.
1143 2006-11-22 Joseph Myers <joseph@codesourcery.com>
1145 * config/rs6000/spe.md (SPE64): New mode macro.
1146 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
1148 (mov_si<mode>_e500_subreg0_2): New.
1149 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
1151 (mov_si<mode>_e500_subreg4_2): New.
1152 * config/rs6000/predicates.md (input_operand): Do not allow
1153 invalid E500 subregs.
1154 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
1156 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
1157 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
1158 involving vector modes if TARGET_SPE.
1160 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
1163 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1164 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1166 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
1168 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
1169 mem_i_address_operand): New predicates.
1170 * config/bfin/bfin.c (bfin_issue_rate): New function.
1171 (TARGET_SCHED_ISSUE_RATE): New macro.
1172 * config/bfin/bfin.md (addrtype): New attribute.
1173 (slot0, slot1, slot2, store, pregs): New cpu_units.
1174 (core): Now a define_reservation.
1175 (alu): Remove some insn types from this reservation.
1176 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
1178 (dummy reservation): Don't trigger for mcld insns.
1179 (absence_sets): Two new absence sets to enforce slot ordering.
1180 (popsi_insn): Set addrtype.
1182 2006-11-22 Ira Rosen <irar@il.ibm.com>
1184 * doc/c-tree.texi: Document new tree codes.
1185 * doc/md.texi: Document new optabs.
1186 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
1188 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
1189 * optabs.h (optab_index): Add new.
1190 (vec_extract_even_optab, vec_extract_odd_optab,
1191 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
1192 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1193 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1195 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1196 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1197 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1198 along with macros for their access.
1199 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1201 * tree-vect-analyze.c (toplev.h): Include.
1202 (vect_determine_vectorization_factor): Fix indentation.
1203 (vect_insert_into_interleaving_chain,
1204 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1205 (vect_analyze_data_ref_dependence): Add argument for interleaving
1206 check. Check for interleaving if it's true.
1207 (vect_check_dependences): New function.
1208 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1209 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1210 (vect_update_misalignment_for_peel): Update for interleaving.
1211 (vect_verify_datarefs_alignment): Check only first data-ref for
1213 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1214 only first data-ref for interleaving.
1215 (vect_analyze_data_ref_access): Check interleaving, update
1217 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1218 with different parameters.
1219 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1220 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1221 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1222 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1223 Update step in case of interleaving.
1224 (vect_strided_store_supported, vect_permute_store_chain): New
1226 (vectorizable_store): Handle strided stores.
1227 (vect_strided_load_supported, vect_permute_load_chain,
1228 vect_transform_strided_load): New functions.
1229 (vectorizable_load): Handle strided loads.
1230 (vect_transform_stmt): Add argument. Handle strided stores. Check
1231 that vectorized stmt exists for patterns.
1232 (vect_gen_niters_for_prolog_loop): Update calculation for
1234 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1235 whole chain vectorization.
1236 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1237 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1238 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1239 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1240 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1242 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1244 * cse.c (enum taken): Remove PATH_AROUND.
1245 (addr_affects_sp_p, invalidate_skipped_set,
1246 invalidate_skipped_block): Remove.
1247 (cse_end_of_basic_block): Remove skip_blocks and related code.
1248 (cse_main): Don't test for flag_cse_skip_blocks.
1249 Update cse_end_of_basic_block call.
1250 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1251 code to lengthen the path if a jump was simplified.
1253 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1255 PR rtl-optimization/29924
1256 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1257 (unroll_loop_runtime_iterations): Assert that the argument passed to
1258 split_edge_and_insert is not NULL.
1259 * loop-doloop.c (add_test): Ditto.
1261 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1263 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1265 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1266 * cfgloopmanip.c (update_single_exits_after_duplication,
1267 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1268 * tree-scalar-evolution.c (get_loop_exit_condition,
1269 get_exit_conditions_rec, loop_closed_phi_def,
1270 number_of_iterations_in_loop, scev_const_prop): Ditto.
1271 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1272 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1274 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1276 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1277 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1278 slpeel_make_loop_iterate_ntimes,
1279 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1280 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1282 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1283 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1284 vect_analyze_loop_form): Ditto.
1285 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1286 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1287 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1288 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1289 vect_transform_loop): Ditto.
1290 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1291 (single_exit, set_single_exit): New functions.
1292 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1293 (single_exit, set_single_exit): Declare.
1294 * doc/loop.texi: Undocument single_exit field. Document single_exit
1297 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1299 PR tree-optimization/29902
1300 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1301 any involved ssa name appears in abnormal phi node.
1303 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1305 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1306 (xtensa_const_ok_for_letter_p): Delete.
1307 (xtensa_extra_constraint): Delete.
1308 (override_options): Delete xtensa_char_to_class initialization.
1309 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1310 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1311 (EXTRA_CONSTRAINT): Delete.
1312 * config/xtensa/xtensa.md: Include constraints.md.
1313 (call_internal): Combine alternatives.
1314 (call_value_internal): Likewise, and remove invalid constraints.
1315 * config/xtensa/constraints.md: New file.
1316 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1317 (xtensa_extra_constraint): Delete.
1318 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1321 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1323 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1324 of conversion that doesn't fit.
1326 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1327 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1328 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1330 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1332 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1334 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1336 2006-11-21 Richard Guenther <rguenther@suse.de>
1338 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1339 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1340 vect_recog_pow_pattern.
1341 (vect_recog_pow_pattern): New function.
1343 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1345 * config/bfin/bfin.opt (mstack-check-l1): New.
1346 * doc/invoke.texi (Blackfin Options): Document it.
1347 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1348 stack bounds in L1 memory if the new option is enabled.
1349 (override_options): Don't allow combinations of -fstack-limit and
1351 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1354 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1356 (bfin_register_move_cost): Bump costs if trying to move plain
1357 integer values through accumulators.
1359 2006-11-21 Ben Elliston <bje@au.ibm.com>
1361 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1363 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1364 Russell Olsen <Russell_Olsen@playstation.sony.com>
1365 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1366 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1367 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1368 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1369 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1371 * config.gcc: Add target for SPU.
1372 * config/spu/constraints.md: New file.
1373 * config/spu/crt0.c: New file.
1374 * config/spu/crtend.c: New file.
1375 * config/spu/crti.asm: New file.
1376 * config/spu/crtn.asm: New file.
1377 * config/spu/float_unsdidf.c: New file.
1378 * config/spu/float_unssidf.c: New file.
1379 * config/spu/predicates.md: New file.
1380 * config/spu/spu-builtins.def: New file.
1381 * config/spu/spu-builtins.h: New file.
1382 * config/spu/spu-builtins.md: New file.
1383 * config/spu/spu-c.c: New file.
1384 * config/spu/spu-elf.h: New file.
1385 * config/spu/spu-modes.def: New file.
1386 * config/spu/spu-protos.h: New file.
1387 * config/spu/spu.c: New file.
1388 * config/spu/spu.h: New file.
1389 * config/spu/spu.md: New file.
1390 * config/spu/spu.opt: New file.
1391 * config/spu/spu_internals.h: New file.
1392 * config/spu/spu_intrinsics.h: New file.
1393 * config/spu/spu_mfcio.h: New file.
1394 * config/spu/t-spu-elf: New file.
1395 * config/spu/vec_types.h: New file.
1396 * config/spu/vmx2spu.h: New file.
1397 * doc/contrib.texi: Document SPU contributor.
1398 * doc/extend.texi: Document SPU extensions.
1399 * doc/invoke.texi: Document SPU options.
1400 * doc/md.texi: Document SPU constraints.
1402 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1404 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1406 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1408 (flow_loop_dump): Do not dump loop level.
1409 (flow_loops_find): Do not call flow_loops_level_compute.
1410 * cfgloop.h (struct loop): Remove level field.
1412 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1414 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1415 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1416 Use vector of edges instead of array.
1417 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1418 estimate_numbers_of_iterations_loop): Ditto.
1419 * predict.c (predict_loops): Ditto.
1420 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1421 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1423 * basic-block.h: Declare heap allocation for edge vectors.
1424 * tree-outof-ssa.c: Ditto.
1425 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1426 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1428 2006-11-20 Zack Weinberg <zackw@panix.com>
1430 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1431 Add another out parameter, "skip".
1432 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1433 is tagged "skip", do not mark its type used.
1435 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1438 * tree-sra.c (single_scalar_field_in_record_p): New function.
1439 (decide_block_copy): Use it.
1441 2006-11-20 David Daney <ddaney@avtrex.com>
1443 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1444 PC to point to following instruction.
1446 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1450 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1452 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1454 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1456 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1457 Add sh/superh.h to tm_file.
1459 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1460 Mark Mitchell <mark@codesourcery.com>
1462 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1464 (cpp_relocated): New function.
1465 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1467 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1468 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1469 replace configured prefix with gcc_exec_prefix.
1471 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1473 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1474 bfin_legitimate_constant_p.
1475 * config/bfin/bfin.md (movsi expander): Check return value of
1477 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1478 (expand_move): Adjust prototype.
1479 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1480 invalid constants specially.
1481 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1483 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1485 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1486 sibcall_value_symbol): Allow these patterns if
1487 TARGET_LEAF_ID_SHARED_LIBRARY.
1488 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1489 (override_options): Turn on id shared library flags if -msep-data,
1490 but disallow the combination of these options on the command line.
1491 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1492 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1493 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1494 -mid-shared-library.
1495 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1496 * doc/invoke.texi (Blackfin Options): Document new switches.
1498 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1499 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1501 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1502 inflate costs for addresses with an out-of-bounds address.
1504 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1507 * fwprop.c (loops): Remove.
1508 (forward_propagate_into): Use current_loops instead of
1510 (fwprop_init): Call loop_optimizer_init instead of
1512 (fwprop_done): Call loop_optimizer_finalize instead of
1514 (fwprop): Use current_loops instead of loops.
1516 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1519 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1521 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1524 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1525 larger than BITS_PER_WORD.
1527 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1531 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1532 to MAX_FIXED_MODE_SIZE.
1534 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1536 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1537 (fold_builtin_fmin_fmax): New.
1538 (fold_builtin_1): Use it.
1540 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1542 2006-11-18 Richard Guenther <rguenther@suse.de>
1544 * config/i386/i386.c (ix86_builtins): New array for ix86
1545 builtin function decls.
1546 (def_builtin): New function.
1547 (def_builtin_const): Likewise.
1548 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1550 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1552 * doc/invoke.texi (core2): Add item.
1554 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1556 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1557 (TARGET_CPU_DEFAULT_generic): Change value.
1558 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1559 (processor_type): Add new constant PROCESSOR_CORE2.
1561 * config/i386/i386.md (cpu): Add core2.
1563 * config/i386/i386.c (core2_cost): New initialized variable.
1564 (m_CORE2): New macro.
1565 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1566 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1567 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1568 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1569 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1570 x86_accumulate_outgoing_args, x86_prologue_using_move,
1571 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1572 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1573 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1574 x86_pad_returns): Add m_CORE2.
1575 (override_options): Add entries for Core2.
1576 (ix86_issue_rate): Add case for Core2.
1578 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1580 * doc/invoke.texi: Fix mno-isel typo.
1582 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1584 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1585 easy vector constant loads.
1587 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1589 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1590 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1591 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1592 * config/rs6000/sync.md (lwsync): Emit plain sync if
1595 2006-11-17 DJ Delorie <dj@redhat.com>
1597 * reload1.c (reloads_unique_chain): New.
1598 (reloads_conflict): Call it.
1600 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1602 * config/xtensa/predicates.md (addsubx_operand): New.
1603 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1604 (xtensa_emit_bit_branch): New.
1605 (xtensa_emit_movcc): New.
1606 * config/xtensa/xtensa.md (any_minmax): New code macro.
1607 (minmax): New code attribute.
1608 (any_cond, any_scc, any_scc_sf): New code macros.
1609 (*addx2, *addx4, *addx8): Delete.
1611 (*subx2, *subx4, *subx8): Delete.
1613 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1614 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1615 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1616 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1617 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1618 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1619 (movsfcc_internal0, movsfcc_internal1): Likewise.
1620 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1621 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1622 (xtensa_emit_bit_branch): New.
1623 (xtensa_emit_movcc): New.
1624 (function_arg_boundary): Add missing prototype.
1626 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1628 * config/xtensa/xtensa.md (tstsi): Delete
1630 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1632 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1634 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1636 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1638 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1640 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1642 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1644 * tree-vrp.c (execute_vrp): Do not update current_loops.
1645 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1646 * doc/loop.texi: Remove documentation for cancelled functions.
1647 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1648 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1650 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1651 (remove_path): Ensure that in delete_basic_blocks, the loops
1652 are still allocated.
1653 (add_loop): Work on valid loop structures.
1654 (loopify): Modify call of add_loop.
1655 (mfb_update_loops): Removed.
1656 (create_preheader): Do not update loops explicitly.
1657 (force_single_succ_latches, loop_version): Do not use
1658 loop_split_edge_with.
1659 (loop_split_edge_with): Removed.
1660 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1661 Do not use bsi_insert_on_edge_immediate_loop.
1662 (split_loop_exit_edge, tree_unroll_loop): Do not use
1663 loop_split_edge_with.
1664 (bsi_insert_on_edge_immediate_loop): Removed.
1665 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1666 use loop_split_edge_with.
1667 * cfghooks.c: Include cfgloop.h.
1668 (verify_flow_info): Verify that loop_father is filled iff current_loops
1670 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1671 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1673 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1675 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1676 loop_split_edge_with.
1677 (sms_schedule): Use current_loops.
1678 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1679 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1681 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1682 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1683 * ifcvt.c (if_convert): Ditto.
1684 * predict.c (predict_loops): Do not clear current_loops.
1685 (tree_estimate_probability): Use current_loops.
1686 (propagate_freq): Receive head of the region to propagate instead of
1688 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1689 (estimate_loops): New function. Handle case current_loops == NULL.
1690 (estimate_bb_frequencies): Do not allocate tovisit. Use
1692 * tree-ssa-loop.c (current_loops): Removed.
1693 (tree_loop_optimizer_init): Do not return loops.
1694 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1695 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1696 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1697 Do not update loops explicitly.
1698 * function.h (struct function): Add x_current_loops field.
1699 (current_loops): New macro.
1700 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1701 * loop-unroll.c (split_edge_and_insert): New function.
1702 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1703 use loop_split_edge_with.
1704 * loop-doloop.c (add_test, doloop_modify): Ditto.
1705 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1706 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1707 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1708 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1710 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1711 (flow_loops_free): Do not free dfs_order and rc_order.
1712 (flow_loops_find): Do not set dfs_order and rc_order in loops
1713 structure. Do not call loops and flow info verification.
1714 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1715 already belongs to some loop.
1716 * cfgloop.h (struct loops): Remove struct cfg.
1717 (current_loops, loop_split_edge_with): Declaration removed.
1718 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1719 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1720 Declaration removed.
1721 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1722 * basic-block.h (split_edge_and_insert): Declare.
1723 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1725 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1727 PR tree-optimization/29801
1728 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1729 (get_default_value): Use get_symbol_constant_value.
1730 (set_lattice_value): ICE when the value of the constant is
1732 (visit_assignment): Ignore VDEFs of read-only variables.
1734 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1736 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1738 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1739 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1741 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1743 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1744 select subvars of var.
1746 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1749 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1750 optimize if DEF doesn't have integral type.
1752 2006-11-16 Mike Stump <mrs@apple.com>
1754 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1755 pre-darwin9 system, unless the user asks for it directly.
1756 (PREFERRED_DEBUGGING_TYPE): Likewise.
1757 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1758 * config.gcc: Add suppport for darwin9.h.
1759 * config/darwin9.h: Add.
1760 * doc/install.texi (Specific): Clarify darwin documentation.
1762 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1764 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1765 optimizing for size.
1767 2006-11-16 Mike Stump <mrs@apple.com>
1769 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1771 2006-11-16 Dirk Mueller <dmueller@suse.de>
1773 * tree-vrp.c (get_value_range): Use XCNEW instead
1775 (insert_range_assertions): Use XCNEWVEC instead
1776 of XNEWVEC and memset.
1777 (vrp_initialize): Same.
1778 (vrp_finalize): Same.
1779 * tree-ssa-ccp.c (ccp_initialize): Same.
1780 * predict.c (tree_bb_level_predictions): Same.
1781 * calls.c (expand_call): Same.
1782 * tree-ssa-copy.c (init_copy_prop): Same.
1783 (fini_copy_prop): Same.
1784 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1785 of GGC_NEW and memset.
1787 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1790 * gimplify.c (gimplify_expr): Only force a load for references to
1791 non-BLKmode volatile values.
1792 * doc/implement-c.texi (Qualifiers implementation): Document the
1793 interpretation of what a volatile access is.
1794 * doc/extend.texi (C++ Extensions): Rework same documentation.
1796 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1798 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1801 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1803 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1805 (arm_neg_abssi2): Renamed from neg_abssi2.
1806 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1808 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1810 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1811 number of arguments passed to local functions in SSE registers is 3.
1813 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1814 number of arguments passed in SSE registers to 3.
1816 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1819 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1821 (get_last_bb_insn): ... new global function.
1822 (basic_block.h): Declare it.
1823 * haifa-sched.c (create_recovery_block): Use it.
1825 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1828 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1830 2006-11-15 Paul Brook <paul@codesourcery.com>
1832 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1833 _Unwind_GetTextRelBase): Move from here ...
1834 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1835 _Unwind_GetTextRelBase): ... To here.
1837 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1839 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1840 addresses we generate for testing are aligned.
1842 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1845 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1846 to what is the const decl is a place holder for.
1848 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1850 * config/i386/i386.opt: New target option -mx87regparm.
1852 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1853 and float_in_x87 variables. mmx_words, sse_words: Remove.
1854 (X87_REGPARM_MAX): Define.
1856 * config/i386/i386.c (override_options): Error out for
1857 -mx87regparm but no 80387 support.
1858 (ix86_attribute_table): Add x87regparm.
1859 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1860 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1861 (ix86_function_x87regparm): New function.
1862 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1864 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1866 (function_arg_advance): Process x87_nregs and x87_regno when
1867 floating point argument is to be passed in 80387 register.
1868 (function_arg): Pass XFmode arguments in 80387 registers for local
1869 functions. Pass SFmode and DFmode arguments to local functions
1870 in 80387 registers when flag_unsafe_math_optimizations is set.
1872 * reg-stack.c (convert_regs_entry): Disable NaN load for
1873 stack registers that are used for argument passing.
1875 * doc/extend.texi: Document x87regparm function attribute.
1876 * doc/invoke.texi: Document -mx87regparm.
1878 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1880 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1881 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1882 arg MODE; all callers changed. Use it to determine validity per
1883 machine mode instead of using Pmode for all memory references.
1884 (get_address_cost): Likewise add and use new arg MEM_MODE.
1886 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1887 J"orn Rennecke <joern.rennecke@st.com>
1889 * combine.c (likely_spilled_retval_1): Fix masking operation.
1890 (likely_spilled_retval_p): Use proper pattern for call to
1891 likely_spilled_retval_1.
1893 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1895 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1897 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1898 that tests for CONSTANT_POOL_ADDRESS_P.
1900 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1902 PR tree-optimization/29581
1903 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1904 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1905 type is different between Y and USE, create a temporary
1906 variable, initialize it at the beginning of the body bb
1907 and use it as replacement instead of Y.
1909 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1912 * gimplify.c (fold_indirect_ref_rhs): Use
1913 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1915 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1917 * expmed.c (emit_store_flag_1): New function.
1918 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1920 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1921 Use do_compare_rtx_and_jump.
1922 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1923 * arm.md (cstoresi4): New define_expand.
1924 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1925 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1926 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1928 2006-11-14 Caroline Tice <ctice@apple.com>
1930 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1931 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1933 (pubname_table): Redefine as a vector.
1934 (pubtype_table): New static global variable, defined as a vector.
1935 (pubname_table_allocated): Remove static global variable.
1936 (pubname_table_in_use): Remove static global variable.
1937 (PUBNAME_TABLE_INCREMENT): Remove constant.
1938 (size_of_pubnames): Add parameter to deal with either pubnames or
1939 pubtypes, and change code to deal with table being a vector.
1940 (add_pubname): Change to deal with table being a vector.
1941 (add_pubtype): New function.
1942 (output_pubnames): Add parameter to deal with either pubnames or
1943 pubtypes, and change code to deal with table being a vector.
1944 (gen_array_type_die): Add call to add_pubtype.
1945 (gen_enumeration_type_die): Add call to add_pubtype.
1946 (gen_struct_or_union_type_die): Add call to add_pubtype.
1947 (gen_subroutine_type_die): Add call to add_pubtype.
1948 (gen_typedef_die): Add call to add_pubtype.
1949 (dwarf2out_init): Add code to initialize pubname_table and
1950 pubtype_table vectors; also initialize debug_pubtypes_section.
1951 (prune_unused_types): Change to deal with pubnames being a vector.
1952 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1953 pubnames table to call to output_pubnames; Add code to output pubtypes
1954 table if DEBUG_PUBTYPES_SECTION is defined.
1955 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1957 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1959 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1961 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1962 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1963 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1964 movv2si_internal): Support moves between core registers.
1966 2006-11-14 Eric Christopher <echristo@apple.com>
1968 * configure: Regenerate with autoconf 2.59.
1970 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1972 Fix PR tree-optimization/27755
1974 * tree-ssa-pre.c: Update comments.
1975 (bb_bitmap_sets): Add pa_in and deferred member.
1976 (BB_DEFERRED): New macro.
1977 (maximal_set): New variable.
1978 (pre_stats): Add pa_insert member.
1979 (bitmap_set_and): Short circuit orig == dest.
1980 (bitmap_set_subtract_values): New function.
1981 (bitmap_set_contains_expr): Ditto.
1982 (translate_vuses_through_block): Add phiblock argument.
1983 (dependent_clean): New function.
1984 (compute_antic_aux): Update for maximal_set changes.
1985 (compute_partial_antic_aux): New function.
1986 (compute_antic): Handle partial anticipation.
1987 (do_partial_partial_insertion): New function.
1988 (insert_aux): Handle partial anticipation.
1989 (add_to_sets): Add to maximal set.
1990 (compute_avail): Ditto.
1991 (init_pre): Initialize maximal_set.
1992 (execute_pre): Do partial anticipation if -O3+.
1994 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1996 PR rtl-optimization/29798
1998 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1999 TARGET_INSN before any other check.
2000 (fwprop_init): Always calculate dominators.
2001 (fwprop_done): Always free them.
2003 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2005 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
2008 2006-11-13 DJ Delorie <dj@redhat.com>
2010 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
2011 temporary for intermediates.
2013 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
2015 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
2016 (sh_optimize_target_register_callee_saved): #if 0 the code
2017 using NOTE_INSN_LOOP_{BEG,END}.
2019 2006-11-13 Roger Sayle <roger@eyesopen.com>
2021 * fold-const.c (optimize_bit_field_compare): Recursively call
2022 fold when simplifying non-constant comparisons between bit-fields.
2024 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2026 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
2028 * configure: Rebuilt.
2030 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
2032 * config/rs6000/cell.md: New file.
2033 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
2035 (ppccell_cost): New cost matrix.
2036 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
2037 (rs6000_override_options): Set rs6000_always_hint to false
2038 for cell. Also align functions/lables/loops to 8byte
2039 for the Cell. Use PROCESSOR_CELL.
2040 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
2041 using_mtcr_multiple.
2042 (rs6000_variable_issue): If the insn is a nonpipelined instruction
2043 on the Cell, return 0.
2044 (rs6000_adjust_cost): Add Cell cost adjustments.
2045 (is_microcoded_insn): Return true for Cell microcoded
2047 (is_nonpipeline_insn): New function.
2048 (rs6000_issue_rate): Add PROCESSOR_CELL.
2049 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
2051 (rs6000_use_sched_lookahead_guard): New function.
2052 (rs6000_sched_reorder): Reorder the ready list, if the second
2053 to last ready insn is a nonepipeline insn on the Cell.
2054 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
2055 (ASM_CPU_SPEC): Add Cell.
2056 * config/rs6000/rs6000.md (cpu): Add Cell.
2057 (cell_micro): New Attr.
2060 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2062 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
2064 * configure: Rebuilt.
2066 2006-11-13 Richard Guenther <rguenther@suse.de>
2068 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
2070 (ix86_expand_lfloorceil): Likewise.
2071 (ix86_expand_rint): Likewise.
2072 (ix86_expand_floorceildf_32): Likewise.
2073 (ix86_expand_floorceil): Likewise.
2074 (ix86_expand_rounddf_32): Likewise.
2075 (ix86_expand_truncdf_32): Likewise.
2076 (ix86_expand_round): Likewise.
2078 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
2079 Mark Mitchell <mark@codesourcery.com>
2081 * gcc.c: Organize search path variables into $prefix relative,
2082 and well-known native. Add comments.
2083 (add_sysrooted_prefix): Add comment.
2084 (process_command): If !gcc_exec_prefix add $prefix based paths.
2085 If *cross_compile == '0', add native well-known paths.
2086 Assert tooldir_base_prefix is always relative.
2087 (main): If print_search_dirs, and if gcc_exec_prefix is set,
2088 use this value for 'install:' path.
2089 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
2091 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2093 * config/i386/i386.c: Fix a typo in comment.
2095 2006-11-13 Michael Matz <matz@suse.de>
2097 * genemit.c (gen_expand): Allocate enough memory.
2099 2006-11-13 Joseph Myers <joseph@codesourcery.com>
2101 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
2102 __GXX_TYPEINFO_EQUALITY_INLINE but not
2103 __GXX_MERGED_TYPEINFO_NAMES.
2104 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
2105 __GXX_MERGED_TYPEINFO_NAMES.
2106 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
2107 __GXX_TYPEINFO_EQUALITY_INLINE.
2109 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2110 Zdenek Dvorak <dvorakz@suse.cz>
2112 PR tree-optimization/29680
2113 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
2116 2006-11-12 Jason Merrill <jason@redhat.com>
2117 Andrew Pinski <pinskia@physics.uc.edu>
2120 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
2122 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
2124 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
2125 * tree.c (build_vector): Handle non-_CST elements.
2127 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2129 * genemit.c (gen_insn): Call gen_exp with a non-null used
2130 when handling multiple insns.
2131 (gen_expand): Likewise.
2132 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2133 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
2134 (movsi_const_16bit+1): Copy operands[1].
2135 (call_pcrel): Copy the call_site pattern.
2136 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
2138 2006-11-12 Roger Sayle <roger@eyesopen.com>
2140 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
2141 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
2142 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
2143 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
2145 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
2147 Fix PR tree-optimization/29587
2148 * tree-ssa-structalias.c (process_constraint): Don't
2149 mark address taken due only to escaped vars constraint.
2151 2006-11-12 Michael Matz <matz@suse.de>
2152 Roger Sayle <roger@eyesopen.com>
2154 PR rtl-optimization/29797
2155 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
2156 BITS_BIG_ENDIAN targets.
2158 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2160 * builtins.c (fold_builtin_cosh): New.
2161 (fold_builtin_1): Use it.
2162 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
2163 trunc to the list of "odd" functions. Also add llrint, lrint,
2164 rint and nearbyint when flag_rounding_math is false.
2166 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2168 * tree-flow.h (name_mappings_registered_p): Declare.
2169 * tree-into-ssa.c (name_mappings_registered_p): New function.
2170 * tree-cfg.c (tree_can_merge_blocks_p): Check
2171 name_mappings_registered_p instead of need_ssa_update_p.
2173 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2175 * tree-ssa-loop.c (tree_vectorize): Return the result of
2177 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
2178 if anything changed.
2179 * tree-vectorizer.h (vectorize_loops): Declaration removed.
2180 * tree-flow.h (vectorize_loops): Declaration changed.
2182 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2184 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
2186 (issue_prefetch_ref): Move assignment to write_p out of loop.
2187 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
2188 SIMULTANEOUS_PREFETCHES into account.
2189 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
2190 * lambda-code.c (lcm): Renamed to ...
2191 (least_common_multiple): ... and exported.
2192 * tree-flow.h (least_common_multiple): Declare.
2194 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2196 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2197 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2198 ud-chains. Handle AND_EXPR.
2199 (record_estimate): Record whether the estimate is realistic
2200 and whether it is derived from a loop exit.
2201 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2202 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2204 (compute_estimated_nb_iterations): Take only realistic bounds into
2205 account. Set estimate_state. Use double_ints.
2206 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2207 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2208 that do not have to be always executed.
2209 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2210 to determine whether to call infer_loop_bounds_from_undefined
2211 and compute_estimated_nb_iterations.
2212 (n_of_executions_at_most): Use double_ints.
2213 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2214 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2215 * double-int.c (double_int_to_tree): Improve comment.
2216 (double_int_fits_to_tree_p): New function.
2217 * double-int.h (double_int_fits_to_tree_p): Declare.
2218 * tree-data-ref.c: Include langhooks.h.
2219 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2220 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2221 (analyze_array): Do not pass estimate_only argument to
2222 analyze_array_indexes.
2223 (get_number_of_iters_for_loop): Build tree from the stored double_int
2225 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2226 (find_data_references_in_loop): Use find_data_references_in_stmt.
2227 * tree-data-ref.h (struct data_ref_loc_d): New.
2228 (get_references_in_stmt): Declare.
2229 (estimate_iters_using_array): Declaration removed.
2230 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2231 double_int. Improve comments. Add is_exit and realistic
2233 (struct loop): Changed type of estimated_nb_iterations to double_int.
2234 Added estimate_state field.
2235 (record_estimate): Declaration removed.
2237 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2239 * params.c (set_param_value): Initialize the "set" field.
2240 * params.h (struct param_info): Add "set" field.
2241 (PARAM_SET_P): New macro.
2242 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2243 L1_CACHE_LINE_SIZE): New macros.
2244 * toplev.c (DEFPARAM): Initialize the "set" field.
2245 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2246 SIMULTANEOUS_PREFETCHES): Removed.
2247 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2248 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2249 * config/sparc/sparc.c: Include params.h.
2250 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2251 L1_CACHE_LINE_SIZE parameters.
2252 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2254 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2256 * config/i386/i386.c: Include params.h.
2257 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2258 (override_options): Set SIMULTANEOUS_PREFETCHES and
2259 L1_CACHE_LINE_SIZE parameters.
2260 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2261 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2262 L1_CACHE_LINE_SIZE parameters.
2263 * config/ia64/ia64.c (ia64_optimization_options): Set
2264 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2265 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2267 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2268 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2269 * doc/invoke.texi: Document new params.
2271 2006-11-12 Roger Sayle <roger@eyesopen.com>
2273 PR tree-optimization/13827
2274 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2277 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2279 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2280 update_single_exit_for_duplicated_loops): New functions.
2281 (duplicate_loop_to_header_edge): Use
2282 update_single_exit_for_duplicated_loops.
2283 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2284 functions only with ENABLE_CHECKING.
2286 2006-11-12 Andreas Schwab <schwab@suse.de>
2288 * except.c (sjlj_emit_function_enter): Remove unused variable.
2290 2006-11-11 Roger Sayle <roger@eyesopen.com>
2292 * fold-const.c (int_binop_types_match_p): New function.
2293 (size_binop): Relax constraint that both arguments must both have
2294 exactly the same sizetype type. Instead use int_binop_types_match_p.
2295 (size_diffop): Likewise.
2297 (make_range): Use build_int_cst instead of fold_convert.
2298 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2299 integer constants of the correct type.
2300 (fold_div_compare): Likewise.
2301 (fold_single_bit_test): Likewise.
2302 (fold_binary): Likewise.
2303 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2304 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2306 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2309 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2310 non null value if the struct memory access is in the 0th
2313 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2316 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2317 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2320 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2321 instead of builtin_define for bfin and BFIN.
2323 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2325 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2328 2006-11-11 Jan Hubicka <jh@suse.cz>
2330 * extend.texi (__builtin_expect): We no longer require second argument
2332 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2333 * builtins.c (expand_builtin_expect): Simplify.
2334 (expand_builtin_expect_jump): Kill.
2335 * final.c (final_scan_insn): Do not skip the removed notes.
2336 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2337 EXPECTED_VALUE): Remove.
2338 * dojump.c (do_jump): Do not care about __builtin_expect.
2339 * predict.c (expected_value_to_br_prob): Kill.
2340 * function.c (expand_function_end): Do not expand
2341 NOTE_INSN_REPEATED_LINE_NUMBER.
2342 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2343 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2344 * cfgexpand.c (add_reg_br_prob_note): Export.
2345 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2346 expected_value_to_br_prob.
2347 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2348 * rtl.h (add_reg_br_prob_note): Declare.
2350 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2352 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2354 2006-11-11 Jan Hubicka <jh@suse.cz>
2356 * predict.c (predict_loops): Kill RTL variant.
2358 2006-11-11 Jan Hubicka <jh@suse.cz>
2360 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2361 * modulo-sched.c (find_line_note): Remove.
2362 (loop_canon_p): Do not worry about line number notes.
2363 (sms_schedule): Likewise.
2364 * cse.c (cse_main): Likewise.
2365 * regmove.c (fixup_match_1): Likewise
2366 * function.c (emit_return_info_block): Likewise.
2367 (expand_function_end): Likewise.
2368 (thread_prologue_an_epilogue_insns): Likewise.
2369 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2371 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2372 emit_note_copy_after): Kill.
2373 (emit_note_copy): Do not worry about line numbers.
2374 * jump.c (purge_line_number_notes): Kill.
2375 (pass_purge_lineno_notes): Kill.
2376 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2378 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2379 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2380 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2381 * tree-pass.h (pass_purge_lineno_notes): Kill.
2382 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2383 rm_redundant_line_notes.
2384 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2385 rm_redundant_line_notes.
2386 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2387 * haifa-sched.c: Update comment about handling notes.
2388 (unlink_line_notes): Kill.
2389 (rm_line_notes): Kill.
2390 (save_line_notes): Simplify.
2391 (rm_redundant_line_notes): Kill.
2393 2006-11-11 Richard Guenther <rguenther@suse.de>
2395 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2396 Remove unused tree codes.
2397 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2398 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2399 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2400 * tree.c (stabilize_reference): Likewise.
2401 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2402 fold_unary): Likewise.
2403 * tree-gimple.c (is_gimple_cast): Likewise.
2404 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2405 * expr.c (expand_expr_real_1): Likewise.
2406 * tree-eh.c (tree_could_trap_p): Likewise.
2407 * gimplify.c (gimplify_expr): Likewise.
2408 * tree-inline.c (estimate_num_insns_1): Likewise.
2409 * tree-cfg.c (verify_expr): Likewise.
2411 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2413 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2414 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2415 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2417 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2420 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2421 constraints accept neither registers or memories.
2423 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2425 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2426 (NO_PROFILE_COUNTERS): Define as 1.
2428 2006-11-10 Roger Sayle <roger@eyesopen.com>
2430 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2431 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2433 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2435 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2437 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2439 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2440 (fold_builtin_hypot): Likewise.
2441 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2443 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2445 2006-11-10 Roger Sayle <roger@eyesopen.com>
2447 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2448 when attempting to build INTEGER_CSTs of non-integral types.
2449 * expmed.c (make_tree): Use the correct type, i.e. the inner
2450 type, when constructing the individual elements of a CONST_VECTOR.
2452 2006-11-10 Jan Hubicka <jh@suse.cz>
2454 * cse.c (cse_process_notes): Copy the propagated value.
2455 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2457 * gcse.c (try_replace_reg): Copy the replacement.
2458 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2459 (assign_386_stack_local): Always return copied memory expression
2460 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2463 2006-11-10 Jan Hubicka <jh@suse.cz>
2465 * final.c (final): Walk from first instruction.
2466 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2468 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2471 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2473 (umulv8hi3_highpart): Ditto.
2474 (vec_widen_smult_hi_v8hi): New expander.
2475 (vec_widen_smult_lo_v8hi): Ditto.
2477 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2480 * builtins.c (do_mpfr_arg3): New.
2481 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2483 2006-11-09 Eric Christopher <echristo@apple.com>
2488 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2489 * config.gcc (powerpc64-*-darwin*): New target.
2490 * config.host: Ditto.
2491 * config/rs6000/darwin64.h: New file.
2492 * config/rs6000/x-darwin64: Ditto.
2493 * config/rs6000/host-ppc64-darwin.c: Ditto.
2495 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2497 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2498 routines for integer division.
2500 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2502 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2504 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2507 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2509 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2511 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2512 simplify_subreg with BLKmode outer mode.
2514 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2516 * doc/invoke.texi: Minor formatting fixes in option lists.
2518 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2520 PR tree-optimization/29738
2521 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2522 (ccp_lattice_t): Remove UNKNOWN_VAL.
2523 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2524 Do not handle UNKNOWN_VAL.
2525 (get_default_value): Set initial value of virtual operands to
2527 (get_value): Always use get_default_value on uninitialized
2529 (set_value_varying, surely_varying_stmt_p): New functions.
2530 (set_lattice_value): Do not pass argument to get_value.
2531 Do not handle UNKNOWN_VAL.
2532 (likely_value): Follow the semantics described in the comment.
2533 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2534 phi nodes DONT_SIMULATE_AGAIN.
2535 (ccp_fold): Do not pass argument to get_value.
2536 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2539 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2541 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2542 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2544 2006-11-08 Roger Sayle <roger@eyesopen.com>
2546 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2547 test for inclusion rather than as a test for exclusion.
2548 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2549 the condition after calling fold_binary.
2550 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2551 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2552 * builtins.c (fold_builtin_isascii): Likewise.
2553 (fold_builtin_isdigit): Likewise.
2555 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2557 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2558 * configure: Regenerate.
2560 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2562 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2563 enum argument instead of bool.
2564 (vect_analyze_operations): Call vectorizable_type_promotion.
2565 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2566 stmt_vec_info_type value.
2567 (supportable_widening_operation, vectorizable_type_promotion): New
2568 function declarations.
2569 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2570 (vectorizable_type_promotion): New function.
2571 (vect_transform_stmt): Call vectorizable_type_promotion.
2572 * tree-vect-analyze.c (supportable_widening_operation): New function.
2573 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2575 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2578 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2579 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2580 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2582 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2583 * expr.c (expand_expr_real_1): Likewise.
2584 * optabs.c (optab_for_tree_code): Likewise.
2585 (init_optabs): Initialize new optabs.
2586 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2587 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2588 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2589 vec_unpacku_lo_optab): Initialize new optabs.
2590 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2591 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2592 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2594 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2595 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2596 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2597 (vec_unpacku_lo_optab): New optabs.
2598 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2599 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2600 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2601 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2602 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2603 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2605 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2606 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2607 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2608 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2609 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2610 implement the unsigned unpacking patterns.
2611 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2612 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2613 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2614 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2615 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2616 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2617 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2618 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2619 multiplication patterns.
2621 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2622 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2623 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2624 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2625 (rs6000_builtin_mul_widen_odd): New.
2626 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2627 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2628 * tree-vectorizer.h (enum vect_relevant): New enum type.
2629 (_stmt_vec_info): Field relevant chaned from bool to enum
2631 (STMT_VINFO_RELEVANT_P): Updated.
2632 (STMT_VINFO_RELEVANT): New.
2633 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2634 instead of STMT_VINFO_RELEVANT_P.
2635 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2636 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2637 and boolean variable with enum vect_relevant.
2638 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2639 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2640 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2642 2006-11-08 Richard Henderson <rth@redhat.com>
2644 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2645 vec_widen_umult_lo_v8hi): New.
2646 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2647 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2649 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2650 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2651 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2652 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2653 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2654 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2655 vec_unpacks_lo_v4si): New.
2657 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2659 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2660 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2661 (vect_analyze_operations): Call vectorizable_type_demotion.
2662 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2663 stmt_vec_info_type value.
2664 (vectorizable_type_demotion): New function declaration.
2665 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2668 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2669 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2671 * tree-iniline.c (estimate_num_insns_1): Likewise.
2672 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2673 * optabs.c (optab_for_tree_code): Likewise.
2675 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2676 compared against the predicate of the result is not 'mode' (the input
2677 to the function) but a mode with half the size of 'mode'.
2678 (init_optab): Initialize new optabs.
2679 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2681 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2683 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2684 (vec_pack_usat_optab): Initialize new optabs.
2685 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2686 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2688 2006-11-08 Richard Henderson <rth@redehat.com>
2690 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2691 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2692 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2693 (vec_interleave_highv4si, vec_interleave_lowv4si):
2694 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2696 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2698 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2700 (vect_transform_stmt): Removed redundant code.
2702 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2704 * tree-vect-transform.c (vectorizable_operation): Support multiple
2707 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2709 * tree-vect-transform.c (vect_align_data_ref): Removed.
2710 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2711 Updated function documentation. Return the increment stmt in ptr_incr.
2712 (bump_vector_ptr): New function.
2713 (vect_get_vec_def_for_stmt_copy): New function.
2714 (vect_finish_stmt_generation): Create a stmt_info to newly created
2716 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2718 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2719 VF is greater than the number of elements that can fit in one vector
2721 (vectorizable_operation, vectorizable_condition): Likewise.
2722 (vectorizable_store, vectorizable_load): Support the case that the VF
2723 is greater than the number of elements that can fit in one vector word.
2724 (vect_transform_loop): Don't fail in case of multiple data-types.
2725 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2726 in case of multiple data-types; the smallest type determines the VF.
2727 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2728 if they are of different sizes.
2729 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2730 number of elements rather than number of bytes.
2731 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2732 (vect_can_advance_ivs_p): Fix a dump printout
2734 2006-11-07 Eric Christopher <echristo@apple.com>
2736 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2737 (__bswapsi2): Ditto.
2738 * libgcc2.h: Remove transformation of bswap routines.
2739 * config/i386/i386.md (bswapsi2): New.
2742 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2744 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2745 (handle_gnu_inline_attribute): New function.
2746 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2747 (merge_decls, start_decl, start_function): Likewise.
2748 * doc/extend.texi: Document gnu_inline attribute.
2750 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2753 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2754 _fixunstfdi, and _floatditf
2756 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2758 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2760 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2761 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2762 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2763 which start in an odd register.
2765 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2767 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2769 2006-11-07 Josh Conner <jconner@apple.com>
2771 * doc/invoke.texi (fstrict-aliasing): Move implementation
2773 * doc/tree-ssa.texi (Alias analysis): ...here.
2775 2006-11-07 Richard Guenther <rguenther@suse.de>
2777 PR tree-optimization/29610
2778 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2779 of tree_purge_dead_eh_edges as it may free dominators.
2781 * g++.dg/other/pr29610.C: New testcase.
2783 2006-11-07 David Ung <davidu@mips.com>
2785 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2786 costs when optimizing for size.
2787 (override_options): Use mips_rtx_cost_optimize_size table for cost
2790 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2792 * gcc.c (process_command): Treat -b as normal switch if its argument
2795 2006-11-07 David Ung <davidu@mips.com>
2797 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2800 2006-11-06 Eric Christopher <echristo@apple.com>
2802 * config.gcc: Add x86_64-darwin host support.
2803 * config.host: Ditto.
2804 * config/i386/darwin64.h: New file.
2805 * config/i386/t-darwin64: Ditto.
2807 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2809 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2810 and output-exists-not.
2812 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2815 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2816 checking for overflow.
2818 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2820 * configure.ac: Fixed typo in case statement: :: changed to ;;
2822 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2824 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2825 count_leading_zeros, and count_trailing_zeros.
2826 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2827 (TARGET_FOLD_BUILTIN): Define.
2828 (TARGET_EXPAND_BUILTIN): Define.
2829 (xtensa_init_builtins): New.
2830 (xtensa_fold_builtin): New.
2831 (xtensa_expand_builtin): New.
2832 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2833 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2834 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2835 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2836 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2837 (any_extend): New code macro.
2838 (u, su): New code attributes.
2839 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2840 (nsau): Remove; replaced by clzsi2.
2841 (ffssi2): Use clzsi2.
2842 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2843 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2844 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2845 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2846 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2848 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2850 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2852 * config/arm/t-strongarm-elf: Likewise.
2853 * config/arm/t-pe: Likewise.
2854 * config/arm/t-arm-elf: Likewise.
2855 * config/arm/t-xscale-elf: Likewise.
2856 * config/arm/t-arm-coff: Likewise.
2857 * config/arm/t-xscale-coff: Likewise.
2858 * config/arm/t-wince-pe: Likewise.
2860 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2862 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2865 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2868 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2871 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2874 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2875 as a valid 80387 constant.
2876 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2877 * config/i386/i386.md (unnamed splitter): Split the load of
2878 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2881 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2883 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2884 from the soft-frame, argument and virtual registers.
2886 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2888 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2889 patterns for standard 80387 constants.
2891 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2892 Steven Bosscher <steven@gcc.gnu.org>
2894 * fwprop.c: New file.
2895 * Makefile.in: Add fwprop.o.
2896 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2897 * passes.c (init_optimization_passes): Schedule forward propagation.
2898 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2900 * timevar.def (TV_FWPROP): New.
2901 * common.opt (-fforward-propagate): New.
2902 * opts.c (decode_options): Enable forward propagation at -O2.
2903 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2904 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2905 canon_for_address, table_size): Remove.
2906 (new_basic_block, insert, remove_from_table): Remove references to
2908 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2909 simplification loop more straightforward by not calling fold_rtx
2911 (equiv_constant): Move here a small part of fold_rtx_subreg,
2912 do not call fold_rtx. Call avoid_constant_pool_reference
2914 * recog.h (canonicalize_change_group): New.
2916 * doc/invoke.texi (Optimization Options): Document fwprop.
2917 * doc/passes.texi (RTL passes): Document fwprop.
2919 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2921 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2922 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2923 (grokdeclarator): Likewise.
2925 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2927 * tree-dump.c (dump_enable_all): Rename local variable
2928 ir_type to avoid name conflicts.
2929 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2930 instead of using ir_type().
2931 * profile.c (tree_register_profile_hooks): Likewise.
2932 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2933 * basic-block.h (struct edge_def): Likewise.
2934 * config/arm/arm.c (legitimize_pic_address): Likewise.
2935 * coretypes.h (ir_type): New enum of all intermediate languages
2937 * cfghooks.c (ir_type): Rename to...
2938 (current_ir_type): ...this. Distinguish between cfgrtl and
2939 cfglayout mode when the current IR is RTL. Return enum ir_type.
2940 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2942 2006-11-03 Paul Brook <paul@codesourcery.com>
2944 * config/arm/arm.c (arm_file_start): New function.
2945 (TARGET_ASM_FILE_START): Define.
2946 (arm_default_cpu): New variable.
2947 (arm_override_options): Set arm_default_cpu.
2949 2006-11-03 David Ung <davidu@mips.com>
2951 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2952 PROCESSOR_24KC and PROCESSOR_24KF.
2953 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2954 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2955 (mips_rtx_cost_data): Add costs for the 24kc.
2956 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2957 * config/mips/24k.md: Remove references to 24k and replace with
2958 uses of 24kc/24kf in the appropriate reservations.
2959 * doc/invoke.texi (MIPS Options): Updated.
2961 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2963 * config/sh/crt1.asm: Fix #ifdef indent.
2965 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2966 Merged from STMicroelectronics sources:
2967 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2968 * config/sh/crt1.asm (vbr_600): Add missing #if.
2969 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2970 * sh.opt (mfused-madd): New option.
2971 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2972 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2973 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2974 Remove pointless handler at VBR+0.
2975 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2976 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2977 fr7. Make sure the timer handler is called with the correct FPU
2978 precision setting, according to the ABI.
2979 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2980 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2981 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2982 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2983 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2984 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2985 zero as second operand.
2986 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2987 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2988 Fixed some bugs related to negative values, in particular -0
2989 and overflow at -0x80000000.
2990 * config/sh/divcost-analysis: Added sh4-300 figures.
2991 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2992 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2993 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2994 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2995 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2996 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2998 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
3000 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
3001 SH4-300 scheduling description & fixes to SH4-[12]00 description:
3002 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
3003 mac_mem, mem_mac, dfp_mul, fp_cmp.
3004 (insn_class, dfp_comp, any_fp_comp): Update.
3005 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
3006 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
3007 (muldf3_i): Likewise.
3008 (movsi_i): Split rI08 alternative into two separate alternatives.
3010 (movsi_ie, movsi_i_lowpart): Likewise.
3011 (movqi_i): Split ri alternative into two separate alternatives.
3013 * sh1.md (sh1_load_store, sh1_fp): Update.
3014 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
3015 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
3016 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
3017 (sh4a_fp_double_arith): Likewise.
3018 * sh4-300.md: New file.
3019 * sh.c (sh_handle_option): Handle m4-300* options.
3020 (sh_adjust_cost): Fix latency of auto-increments.
3021 Handle SH4-300 differently than other SH4s. Check for new insn types.
3022 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
3023 been set by an option.
3024 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
3025 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
3026 (mbranch-cost=): Likewise.
3027 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
3029 * sh.md (mulsf3): Remove special expansion code.
3030 (mulsf3_ie): Now a define_insn_and_split.
3031 (macsf3): Allow for TARGET_SH4.
3033 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
3034 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
3035 (expand_cbranchdi4): Likewise.
3036 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
3037 CONST_DOUBLE if the outer code is COMPARE.
3038 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
3039 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
3040 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
3041 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
3042 Remove redundant fp_{zero,one}_operand checks.
3043 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
3044 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
3045 (expand_cbranchdi4): Likewise.
3046 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
3047 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
3049 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
3051 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
3054 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3056 * doc/invoke.texi: Fix mfp-trap-mode typo.
3058 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3060 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
3061 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
3062 file_end_indicate_exec_stack.
3063 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
3065 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
3066 for a non-executable stack.
3067 * crti.asm: Likewise.
3068 * crtn.asm: Likewise.
3069 * libunwind.S: Likewise.
3071 2006-11-02 Ben Elliston <bje@au.ibm.com>
3073 * tree-ssa.c (warn_uninit): Use expand_location variables for
3074 locus and declaration locus.
3076 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
3079 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
3080 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
3081 cmp{eq,gt,gtu}{si,di}_media.
3082 (*cmpne0si_media): Remove.
3083 (*movsicc_umin): Adjust gen_cmp*_media call.
3084 (unordered): Change the mode of unordered and operands[1] to
3086 (seq): Adjust gen_cmp*_media calls. Make the mode of
3087 a temporary result of compare SImode if needed. If the mode
3088 of operands[0] is DImode, extend the temporary result to DImode.
3089 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
3090 (sunorderd): Change the mode of match_operand and unorderd to
3092 (cmpeq{sf,df}_media): Remove.
3093 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
3094 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
3095 and compare operation to SImode.
3097 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
3099 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
3101 (sparc64-sun-solaris2*): Likewise.
3103 2006-11-02 Paul Brook <paul@codesourcery.com>
3105 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
3106 from priority argument. Use different section for non-default
3108 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
3110 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
3113 * except.c (switch_to_exception_section): Do not cache the section
3114 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3115 and flag_function_sections is set.
3117 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3120 * builtins.c (do_mpfr_sincos): New.
3121 (fold_builtin_1): Use it to fold builtin sincos.
3123 2006-11-01 Roger Sayle <roger@eyesopen.com>
3125 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
3126 it into -D_REENTRANT.
3128 2006-11-01 Roger Sayle <roger@eyesopen.com>
3130 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
3131 whether the assembler supports taking the difference of symbols in
3132 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
3133 * configure: Regenerate.
3134 * config.in: Regenerate.
3135 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
3136 the assembler doesn't support taking the difference of symbols in
3137 different sections, i.e. we're using the native solaris assembler.
3139 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
3140 Peter Bergner <bergner@vnet.ibm.com>
3142 * doc/invoke.texi: Add cpu_type power6x
3143 (RS/6000 and PowerPC Options): Add -mmfpgpr.
3144 * config.gcc: Add cpu_type power6x.
3145 * configure.ac: Add test for mf{t,f}gpr instructions.
3146 (HAVE_AS_MFPGPR): New.
3147 * config.in: Regenerate.
3148 * configure: Regenerate.
3149 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
3150 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
3151 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
3152 and mftgpr attributes.
3153 (define_attr "cpu"): Add power6.
3154 Change instruction sequences to use new attributes.
3155 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
3156 (fix_truncdfsi2_mfpgpr): New.
3157 (floatsidf_ppc64_mfpgpr): New.
3158 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
3159 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
3160 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
3161 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
3162 (fix_truncdfsi2): Use gpc_reg_operand constraint.
3163 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
3164 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
3165 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
3166 cntlz,exts and var_delayed_compare.
3167 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3168 _ARCH_PWR6X, if features enabled.
3169 * config/rs6000/rs6000.opt (mmfpgpr): New.
3170 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
3171 (cached_can_issue_more): New variable.
3172 (processor_costs): Add power6_cost.
3173 (rs6000_sched_init): New function.
3174 (is_dispatch_slot_restricted): Deleted.
3175 (set_to_load_agen): New function.
3176 (is_load_insn,is_store_insn): New functions.
3177 (adjacent_mem_locations): New function.
3178 (insn_must_be_first_in_group): New function.
3179 (insn_must_be_last_in_group): New function.
3180 (rs6000_sched_reorder): New function.
3181 (rs6000_sched_reorder2): New function.
3182 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
3183 TARGET_SCHED_REORDER2): Define.
3184 (processor_target_table): Use PROCESSOR_POWER6 for power6.
3185 Add power6x. Add MASK_MFPGPR for power6x.
3186 (POWERPC_MASKS): Add MASK_MFPGPR.
3187 (rs6000_override_options): Set rs6000_always_hint to false
3188 for power6. Set rs6000_align_branch_targets. Replace
3189 rs6000_sched_groups check with rs6000_align_branch_targets.
3190 Use PROCESSOR_POWER6.
3191 (last_scheduled_insn): New variable.
3192 (load_store_pendulum): New variable.
3193 (rs6000_variable_issue): Set last_scheduled_insn and
3194 cached_can_issue_more.
3195 (rs6000_adjust_cost): Add power6 cost adjustments.
3196 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3197 with insn_must_be_first_in_group. Add power6 priority adjustments.
3198 (rs6000_issue_rate): Add CPU_POWER6.
3199 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3200 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3201 (TARGET_MFPGPR): New.
3202 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3203 (ASM_CPU_SPEC): Add power6x.
3204 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3206 * config/rs6000/power6.md: New file.
3208 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3210 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3211 HOST_WIDE_INT_PRINT to print high and low parts. Use
3212 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3213 printing a hexadecimal number prefix it with 0x.
3215 2006-11-01 Chris Johns <chris@contemporary.net.au>
3218 * Makefile.in (install-driver): Use exeext when installing
3219 $target-gcc-$version.
3221 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3223 * c-common.c (flag_cpp0x): New.
3224 * c-common.h (flag_cpp0x): New.
3225 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3226 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3227 * c-opts.c (set_std_cxx0x): New.
3228 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3229 * c.opt (std=c++0x): Document.
3230 (std=gnu++0x): Ditto.
3231 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3232 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3234 2006-11-01 Richard Guenther <rguenther@suse.de>
3236 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3238 (ix86_expand_floorceildf_32): Likewise.
3239 (ix86_expand_floorceil): Likewise.
3240 (ix86_expand_trunc): Likewise.
3242 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3244 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3247 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3249 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3251 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3253 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3255 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3256 * configure.ac (use_cxa_atexit): As a special case, don't test
3257 for libc definition of __cxa_atexit on mingw32
3258 * configure: Regenerate.
3259 * config.gcc (i[34567]86-pc-mingw32): Default to
3260 enable__cxa_atexit=yes.
3262 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3264 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3266 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3269 * c-decl.c (start_struct): Don't create self-containing
3271 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3273 * config/rs6000/rs6000-protos.h
3274 (darwin_rs6000_special_round_type_align): New.
3275 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3276 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3278 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3280 * toplev.c (compile_file): Call final_write_globals
3281 even if there have been errors.
3283 2006-10-31 Eric Christopher <echristo@apple.com>
3284 Falk Hueffner <falk@debian.org>
3286 * doc/extend.texi (__builtin_bswap32): Document.
3287 (__builtin_bswap64): Ditto.
3288 * doc/libgcc.texi (bswapsi2): Document.
3290 * doc/rtl.texi (bswap): Document.
3291 * optabs.c (expand_unop): Don't widen a bswap.
3292 (init_optabs): Init bswap. Set libfuncs explicitly
3293 for bswapsi2 and bswapdi2.
3294 * optabs.h (OTI_bswap): New.
3295 (bswap_optab): Ditto.
3296 * genopinit.c (optabs): Handle bswap_optab.
3297 * tree.h (tree_index): Add TI_UINT32_TYPE and
3299 (uint32_type_node): New.
3300 (uint64_type_node): Ditto.
3301 * tree.c (build_common_tree_nodes_2): Initialize
3302 uint32_type_node and uint64_type_node.
3303 * builtins.c (expand_builtin_bswap): New.
3304 (expand_builtin): Call.
3305 (fold_builtin_bswap): New.
3306 (fold_builtin_1): Call.
3307 * fold-const.c (tree_expr_nonnegative_p): Return true
3309 * builtin-types.def (BT_UINT32): New.
3311 (BT_FN_UINT32_UINT32): Ditto.
3312 (BT_FN_UINT64_UINT64): Ditto.
3313 * builtins.def (BUILT_IN_BSWAP32): New.
3314 (BUILT_IN_BSWAP64): Ditto.
3315 * rtl.def (BSWAP): New.
3316 * genattrtab.c (check_attr_value): New.
3317 * libgcc2.c (__bswapSI2): New.
3318 (__bswapDI2): Ditto.
3319 * libgcc2.h (__bswapSI2): Declare.
3320 (__bswapDI2): Ditto.
3321 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3322 * simplify-rtx.c (simplify_const_unary_operation): Return
3324 * libgcc-std.ver (__bwapsi2): Add.
3325 (__bswapdi2): Ditto.
3326 * reload1.c (eliminate_regs_1): Add bswap.
3327 (elimination_effects): Ditto.
3328 * config/i386/i386.h (x86_bswap): New.
3329 (TARGET_BSWAP): Use.
3330 * config/i386/i386.c (x86_bswap): Set.
3332 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3334 * coverage.c (coverage_checksum_string): Update comment.
3335 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3336 of get_file_function_name.
3337 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3338 of get_file_function_name_long.
3339 * tree.c (get_file_function_name): Rename from
3340 get_file_function_name_long; improve comment; handle 'I' and 'D'
3341 specially when the target has ctor/dtor support; remove special
3343 (get_file_function_name): Remove.
3344 * tree.h (get_file_function_name): Rename from
3345 get_file_function_name_long.
3346 (get_file_function_name): Remove prototype.
3348 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3350 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3351 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3353 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3354 Call dsymutil when compiling and linking one or more source files
3357 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3360 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3362 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3364 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3365 inline static functions in c99 mode.
3368 * doc/extend.texi (Inline): Update.
3369 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3370 * c-decl.c (current_extern_inline): Delete.
3371 (pop_scope): Adjust test for an undefined nested function.
3372 Add warning about undeclared inline function.
3373 (diagnose_mismatched_decls): Update comments. Disallow overriding
3374 of inline functions in a translation unit in C99. Allow inline
3375 declarations in C99 at any time.
3376 (merge_decls): Boolize variables. Handle C99 'extern inline'
3378 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3379 C99 inline semantics.
3380 (start_function): Don't clear current_extern_inline. Don't set
3382 (c_push_function_context): Don't push current_extern_inline.
3383 (c_pop_function_context): Don't restore current_extern_inline.
3386 * c-typeck.c (build_external_ref): Warn about static variables
3387 used in extern inline functions.
3388 * c-decl.c (start_decl): Warn about static variables declared
3389 in extern inline functions.
3391 2006-10-31 Roger Sayle <roger@eyesopen.com>
3394 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3395 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3396 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3397 or y is an even integer.
3399 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3402 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3403 * gthr-posix95.h (__gthread_active_p): Likewise.
3405 2006-10-31 Richard Guenther <rguenther@suse.de>
3407 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3408 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3409 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3410 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3411 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3412 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3413 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3414 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3417 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3419 * opts.c (decode_options): Disable CSE skip blocks.
3421 2006-10-30 Dirk Mueller <dmueller@suse.de>
3423 * c-common.h (strict_aliasing_warning): Fix whitespace.
3424 * c-decl (start_function): Move code for main decl warning ..
3425 * c-common.c (check_main_parameter_types): .. here.
3426 * c-common.h (check_main_parameter_types): Declare.
3428 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3431 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3433 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3435 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3436 be a PARALLEL containing sets. Return false when out_pat is not
3439 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3441 * config/mips/mips.md (mul<mode>3): Split into...
3442 (mulsi3, muldi3): ...these separate patterns.
3444 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3446 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3447 but with each set of options separated by spaces.
3449 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3451 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3452 dwarf_reg_size_table has been initialized.
3454 2006-10-30 Roger Sayle <roger@eyesopen.com>
3456 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3457 * ddg.c (print_ddg_edge): Likewise.
3458 * dwarf2out.c (prune_unused_types_walk): Likewise.
3459 * ifcvt.c (noce_try_cmove_arith): Likewise.
3460 * langhooks.c (add_builtin_function): Likewise.
3461 * reg-stack.c (subst_stack_regs_pat): Likewise.
3462 * tree.c (expanded_location): Likewise.
3463 * tree-dump.c (dequeue_and_dump): Likewise.
3465 2006-10-30 David Daney <ddaney@avtrex.com>
3467 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3469 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3471 PR tree-optimization/29637
3472 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3473 of the innertype is the innertype itself.
3475 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3477 * dwarf2out.c (file_name_acquire): Correct typo.
3479 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3481 * tree.h (tree_value_handle): Remove struct value_set declaration.
3482 Change value_set to bitmap_set.
3483 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3484 * tree-vn.c (get_value_handle): Made inline and moved to
3486 * tree-flow-inline.h: (has_stmt_ann): New function.
3487 * tree-ssa-pre.c (expressions): New variable.
3488 (next_expression_id): Ditto.
3489 (alloc_expression_id): New function.
3490 (struct value_set): Remove.
3491 (get_expression_id): New function.
3492 (get_or_alloc_expression_id): Ditto.
3493 (expression_for_id): Ditto.
3494 (clear_expression_ids): Ditto.
3495 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3496 (bb_value_sets): Renamed to bb_bitmap_sets.
3497 All value sets replaced with bitmap_sets.
3499 (BB_VISITED): New macro.
3500 (postorder): New variable.
3501 (add_to_value): Removed.
3502 (value_exists_in_set_bitmap): Ditto.
3503 (value_insert_into_set_bitmap): Ditto.
3506 (set_remove): Ditto.
3507 (set_contains_value): Ditto.
3508 (insert_into_set): Ditto.
3510 (find_leader): Ditto.
3511 (bitmap_set_subtract_from_value_set): Ditto.
3512 (value_insert_into_set): Ditto.
3513 (print_value_set): Ditto.
3514 (debug_value_set): Ditto.
3515 (constant_expr_p): New function.
3516 (bitmap_remove_from_set): Ditto.
3517 (bitmap_insert_into_set): Ditto.
3518 (bitmap_set_free): Ditto.
3519 (vh_compare): Ditto.
3520 (sorted_array_from_bitmap_set): Ditto.
3521 (bitmap_set_subtract): Ditto.
3522 (bitmap_set_equal): Ditto.
3523 (debug_bitmap_set): Ditto.
3524 (find_leader_in_sets): Ditto.
3525 (bitmap_set_replace_value): Modify for bitmapped sets.
3526 (phi_translate): Ditto.
3527 (phi_translate_set): Ditto.
3528 (bitmap_find_leader): Ditto.
3529 (valid_in_sets): Ditto.
3530 (union_contains_value): Ditto.
3532 (compute_antic_aux): Ditto. Mark changed blocks.
3533 (compute_antic): Ditto. Iterate in postorder and only over
3535 (compute_rvuse_and_antic_safe): Reuse postorder.
3536 (create_component_ref_by_pieces): Modify for bitmapped sets.
3537 (find_or_generate_expression): Ditto.
3538 (create_expression_by_pieces): Ditto.
3539 (insert_into_preds_of_block): Ditto.
3540 (changed_blocks): New variable.
3541 (do_regular_insertion): Broken out from insert_aux.
3542 (insert_aux): Modified for bitmapped sets.
3543 (find_existing_value_expr): New function.
3544 (create_value_expr_from): Use it.
3545 (insert_extra_phis): Removed.
3546 (print_bitmap_set): Renamed from bitmap_print_value_set.
3547 (compute_avail): Handle RETURN_EXPR.
3548 (init_pre): Modify for bitmapped sets.
3549 * tree-flow.h (has_stmt_ann): New function.
3551 2006-10-29 Roger Sayle <roger@eyesopen.com>
3553 * builtins.c (fold_builtin_floor): Check for the availability of
3554 the C99 trunc function before transforming floor into trunc.
3556 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3558 * builtins.c (fold_builtin_hypot): Rearrange recursive
3559 transformation before others, and also do ABS_EXPR. When
3560 necessary, check flag_unsafe_math_optimizations. When necessary,
3563 2006-10-29 Roger Sayle <roger@eyesopen.com>
3565 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3566 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3567 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3568 Fold -X eq/ne -Y as X eq/ne Y.
3570 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3572 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3573 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3574 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3575 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3576 Use an inclusive test for "mult" rather than "mul".
3577 (rotr<mode>3): Depend on ISA_HAS_ROR.
3578 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3580 (GENERATE_MULT3_DI): Delete.
3581 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3582 (ISA_HAS_MUL3): New macro.
3583 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3584 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3585 (ISA_HAS_CLZ_CLO): Likewise.
3586 (ISA_HAS_DCLZ_DCLO): Delete.
3587 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3588 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3589 the VR4120 and VR4130.
3590 (ISA_HAS_MACCHI): Use consistent formatting.
3591 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3592 (ISA_HAS_ROR): ...this new macro.
3593 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3594 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3595 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3597 2006-10-29 Roger Sayle <roger@eyesopen.com>
3599 PR tree-optimization/15458
3600 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3603 2006-10-29 Richard Guenther <rguenther@suse.de>
3605 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3606 (ix86_expand_truncdf_32): Likewise.
3607 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3608 trunc inline for SSE math and -fno-trapping-math and if not
3609 optimizing for size.
3610 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3611 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3612 for expanding btrunc inline for SSE math.
3614 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3616 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3617 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3618 i[34567]86-*-solaris2.1[0-9]*.
3619 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3620 Define conditionally depending on TARGET_64BIT_DEFAULT.
3621 (SPEC_32, SPEC_64): Define.
3622 (LINK_SPEC): Use them.
3623 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3625 2006-10-29 Richard Guenther <rguenther@suse.de>
3627 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3628 (ix86_expand_rounddf_32): Likewise.
3629 * config/i386/i386.c (ix86_expand_round): New function expanding
3630 round inline for SSE math and -fno-trapping-math and if not
3631 optimizing for size.
3632 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3633 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3634 round via ix86_expand_round.
3636 2006-10-29 Richard Guenther <rguenther@suse.de>
3638 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3639 (ix86_expand_floorceildf_32): Likewise.
3640 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3641 static helper function.
3642 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3644 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3645 * config/i386/i386.md (floordf2): Adjust to enable floor
3646 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3647 -fno-trapping-math is enabled and if not optimizing for size.
3648 (floorsf2, ceildf2, ceilsf2): Likewise.
3649 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3650 (sse2_maskcmpdf3): Likewise.
3652 2006-10-29 Richard Guenther <rguenther@suse.de>
3654 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3655 rint in case -fno-trapping-math is enabled.
3656 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3657 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3658 (ix86_expand_sse_fabs): Likewise.
3659 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3660 * config/i386/i386.md (rintdf2): Enable for SSE math if
3661 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3662 (rintsf2): Likewise.
3664 2006-10-29 Richard Guenther <rguenther@suse.de>
3666 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3667 to conversion optabs.
3668 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3669 as conversion optab.
3670 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3671 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3672 (lfloor_optab, lceil_optab): Adjust defines.
3673 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3674 lfloor and lceil optabs now being conversion optabs.
3675 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3676 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3677 New static helper function.
3678 (ix86_expand_lfloorceil): New function to expand lfloor and
3680 * config/i386/i386.md (lfloor<mode>2): Split into ...
3681 (lfloorxf<mode>2): ... x87 variant
3682 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3683 using ix86_expand_lfloorceil.
3684 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3686 * doc/md.texi (lfloorMN, lceilMN): Document.
3688 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3690 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3691 -mno-shared assembler option on mips targets.
3692 * configure, config.in: Regenerate.
3693 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3694 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3695 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3697 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3699 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3700 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3702 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3704 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3705 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3708 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3711 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3712 (fold_builtin_pow): Evaluate constant arguments at compile-time
3714 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3715 (do_mpfr_ckconv): New helper function.
3716 (do_mpfr_arg1): Use do_mpfr_ckconv.
3717 (do_mpfr_arg2): New.
3719 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3722 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3723 (-fdump-rtl-sched): Rename to ..
3724 (-fdump-rtl-sched1): here. Also fix file extension number.
3726 2006-10-28 Richard Guenther <rguenther@suse.de>
3728 * fold-const.c (maybe_canonicalize_comparison): Fix code
3731 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3733 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3734 (NON_QI_REG_P): Use IN_RANGE.
3735 (REX_INT_REGNO_P): Use IN_RANGE.
3736 (FP_REGNO_P): Use IN_RANGE.
3737 (SSE_REGNO_P): Use IN_RANGE.
3738 (REX_SSE_REGNO_P): Use IN_RANGE.
3739 (MMX_REGNO_P): Use IN_RANGE.
3740 (STACK_REGNO_P): New macro.
3741 (STACK_REG_P): Use STACK_REGNO_P.
3742 (NON_STACK_REG_P): Use STACK_REGNO_P.
3743 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3744 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3745 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3746 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3747 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3749 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3751 * except.h (output_function_exception_table): Add 'const char*' param.
3752 * except.c (switch_to_exception_section): Add 'const char*' param.
3753 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3754 and flag_function_sections is set, use a function-specific section.
3755 (output_function_exception_table): Add 'const char*' param.
3756 Adjust call to switch_to_exception_section.
3757 * final.c (rest_of_handle_final): Adjust calls to
3758 output_function_exception_table.
3759 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3760 * config.in: Regenerate.
3761 * configure: Likewise.
3763 2006-10-28 Richard Guenther <rguenther@suse.de>
3766 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3767 for maybe_canonicalize_comparison.
3768 (maybe_canonicalize_comparison): New function for canonicalizing
3770 (fold_comparison): Call it to canonicalize comparisons with
3773 2006-10-28 Richard Guenther <rguenther@suse.de>
3776 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3777 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3778 (expand_builtin): Adjust likewise.
3779 * genopinit.c (optabs[]): Add lround optab.
3780 * optabs.c (init_optabs): Initialize lround_optab.
3781 * optabs.h (enum convert_optab_index): Add COI_lround.
3782 (lround_optab): Define.
3783 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3784 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3786 (ix86_expand_lround): New function.
3787 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3789 * doc/md.texi (lroundMN2): Document.
3791 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3794 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3795 argument to HOST_WIDE_INT. Update function prototype.
3796 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3797 "size" argument to HOST_WIDE_INT. Update function prototype.
3799 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3801 * config/i386/i386.c (output_387_ffreep): Create output from a
3802 template string for !HAVE_AS_IX86_FFREEP.
3804 2006-10-27 Eric Christopher <echristo@apple.com>
3806 * config/darwin.c: Fix formatting and grammar.
3808 2006-10-27 Jan Hubicka <jh@suse.cz>
3810 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3811 to be thrown away soon when IGNORE is set.
3812 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3813 indicating when return value shall not be computed.
3814 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3816 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3818 * config/i386/i386.h (TARGET_GEODE):
3819 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3820 (TARGET_CPU_DEFAULT_geode): New macro.
3821 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3822 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3823 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3824 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3825 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3827 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3828 (processor_type): Add PROCESSOR_GEODE.
3830 * config/i386/i386.md: Include geode.md.
3833 * config/i386/i386.c (geode_cost): New initialized global
3835 (m_GEODE, m_K6_GEODE): New macros.
3836 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3837 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3838 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3839 x86_schedule): Use m_K6_GEODE instead of m_K6.
3840 (x86_movx, x86_cmove): Set up m_GEODE.
3841 (x86_integer_DFmode_moves): Clear m_GEODE.
3842 (processor_target_table): Add entry for geode.
3843 (processor_alias_table): Ditto.
3845 * config/i386/geode.md: New file.
3847 * doc/invoke.texi: Add entry about geode processor.
3849 2006-10-27 Mike Stump <mrs@apple.com>
3851 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3852 __DYNAMIC__ from here back to ...
3853 * config/darwin.h (CPP_SPEC): ... here.
3855 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3856 Nathan Sidwell <nathan@codesourcery.com>
3858 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3859 when choosing the minimum heapsize.
3861 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3863 * gcc/unwind-dw2.h: Move cfa-related variables into
3864 struct frame_state_reg_info to ensure that the CFA is properly
3865 handled when executing DW_CFA_{remember,restore}_state.
3866 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3867 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3868 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3869 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3870 gcc/config/rs6000/linux-unwind.h,
3871 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3872 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3873 Modify to use new cfa_* fields.
3875 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3877 * config/s390/s390.c (s390_init_frame_layout): Check positive
3880 2006-10-26 Ben Elliston <bje@au.ibm.com>
3882 * gimplify.c (get_name): Remove extraneous break.
3883 (gimplify_omp_for): Initialise ret with GS_OK.
3885 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3887 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3888 Add unix98.o to link line.
3890 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3893 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3894 Calculate compile-time constants using MPFR.
3895 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3896 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3898 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3900 * config/xtensa/lib2funcs.S: Use C-style comments.
3902 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3904 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3905 (file_table_relative_p): Likewise.
3906 (dwarf2out_finish): Likewise.
3907 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3909 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3911 * tree-ssa-structalias.c (intra_create_variable_infos):
3912 Don't recreate nonlocal_all if it already exists.
3914 2006-10-25 Richard Guenther <rguenther@suse.de>
3917 * optabs.h (enum optab_index): Remove OTI_lrint.
3918 (enum convert_optab_index): Add COI_lrint.
3919 (lrint_optab): Adjust.
3920 (expand_sfix_optab): Declare.
3921 * optabs.c (expand_sfix_optab): New function.
3922 (init_optabs): Init lrint_optab as conversion optab.
3923 * genopinit.c (lrint_optab): Change to a conversion optab.
3924 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3925 expansion via conversion optab.
3926 * config/i386/i386.md (*fistdi2_1): Remove
3927 flag_unsafe_math_optimizations guard.
3928 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3929 fist<mode>2_with_temp): Likewise.
3930 (lrint<mode>2): Split into...
3931 (lrintxf<mode>2): ... x87 part
3932 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3933 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3934 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3935 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3936 * doc/md.texi (lrintMN2): Document.
3938 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3941 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3942 Use inc and dec instructions for TARGET_USE_INCDEC.
3943 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3944 ("sync_double_compare_and_swap<mode>"): Likewise.
3945 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3946 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3947 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3948 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3949 ("sync_old_add<mode>"): Likewise.
3950 ("sync_lock_test_and_set<mode>"): Likewise.
3951 ("sync_lock_test_and_set<mode>"): Likewise.
3952 ("sync_add<mode>"): Likewise.
3953 ("sync_sub<mode>"): Likewise.
3954 ("sync_ior<mode>"): Likewise.
3955 ("sync_and<mode>"): Likewise.
3956 ("sync_xor<mode>"): Likewise.
3958 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3960 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3961 (remainder_optab): Define corresponding macro.
3962 (drem_optab): Remove.
3963 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3964 drem_optab initialization.
3965 * genopinit.c (optabs): Implement remainder_optab using
3966 remainder?f3 patterns. Remove drem_optab.
3967 * builtins.c (expand_builtin_mathfn_2): Handle
3968 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3969 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3970 expand_builtin_mathfn_2.
3972 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3973 depend on flag_unsafe_math_optimizations.
3975 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3976 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3977 Do not depend on flag_unsafe_math_optimizations. Use
3978 truncxf?f expander instead of truncxf?f_i387_noop.
3980 ("fpremxf4", "fprem1xf4"): Do not depend on
3981 flag_unsafe_math_optimizations.
3982 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3983 flag_unsafe_math_optimizations. Use truncxf?f expander
3984 instead of truncxf?f_i387_noop.
3986 * doc/md.texi (fmod, remainder): Document standard named pattern.
3988 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3989 David Daney <ddaney@avtrex.com>
3992 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3994 2006-10-25 Ben Elliston <bje@au.ibm.com>
3996 * doc/extend.texi (Variable Attributes): Typo fix.
3998 2006-10-24 Uros Bizjak <uros@kss-loka.si>
4000 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
4001 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
4002 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
4003 (FRAME_POINTER_REGNUM): Update register number to 21.
4004 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
4005 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
4007 * config/i386/i386.c (regclass_map): Add fpcr entry.
4008 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
4010 (print_reg): Assert REGNO (x) != FPCR_REG.
4012 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
4013 (DIRFLAG_REG): Renumber.
4014 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
4015 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
4016 (sse_prologue_save, *sse_prologue_save_insn): Renumber
4017 hardcoded SSE register numbers.
4019 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
4020 hardcoded MMX register numbers.
4022 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4025 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
4026 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
4028 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
4029 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
4030 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
4031 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
4033 2006-10-24 Richard Guenther <rguenther@suse.de>
4036 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
4037 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
4038 for deciding optimizations in consistency with fold-const.c
4039 (fold_builtin_unordered_cmp): Likewise.
4041 2006-10-24 Richard Guenther <rguenther@suse.de>
4043 * builtins.c (fold_builtin_floor): Fold floor (x) where
4044 x is nonnegative to trunc (x).
4045 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
4046 nonnegative to FIX_TRUNC_EXPR.
4048 2006-10-24 Richard Guenther <rguenther@suse.de>
4050 PR tree-optimization/29567
4051 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
4052 for TRUTH_NOT_EXPR. Clarify comments.
4054 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4057 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4058 at compile-time using MPFR. Change parameter VALUE to FUNC,
4060 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
4061 for overflow and underflow at all times and avoid folding in
4064 2006-10-24 Ben Elliston <bje@au.ibm.com>
4066 * reload1.c: Formatting fixes.
4068 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
4070 PR tree-optimization/14784
4071 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
4072 * tree-ssa-structalias.c (get_constraint_for,
4073 intra_create_variable_infos): Set is_heapvar.
4074 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
4075 non-heapvar pointer variables specially.
4077 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4080 * builtins.c (fold_builtin_sin, fold_builtin_cos,
4081 fold_builtin_tan): Fold all constant arguments. Take a "type"
4082 argument as necessary.
4083 (do_mpfr_arg1): New.
4084 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
4086 2006-10-23 Bob Wilson <bob.wilson@acm.org>
4088 * config/xtensa/lib1funcs.asm: Use C-style comments.
4090 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
4092 * tree.c (local_define_builtin): Replace calls to
4093 lang_hooks.builtin_function with add_builtin_function.
4094 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
4096 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
4098 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
4099 common code to add_builtin_function.
4100 * langhooks.c (add_builtin_function): New function.
4101 (lhd_builtin_function): New function.
4102 * langhooks.h (struct lang_hooks): Change the signature of
4104 (add_builtin_function): New function.
4105 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
4106 calls to lang_hooks.builtin_function with add_builtin_function.
4107 * c-common.c (decl_builtin_1): Replace calls to
4108 lang_hooks.builtin_function with add_builtin_function.
4109 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
4110 lang_hooks.builtin_function with add_builtin_function.
4111 * config/frv/frv.c (def_builtin): Replace calls to
4112 lang_hooks.builtin_function with add_builtin_function.
4113 * config/s390/s390.c (s390_init_builtins): Replace calls to
4114 lang_hooks.builtin_function with add_builtin_function.
4115 * config/sparc/sparc.c (def_builtin): Replace calls to
4116 lang_hooks.builtin_function with add_builtin_function.
4117 * config/i386/i386.c (def_builtin): Replace calls to
4118 lang_hooks.builtin_function with add_builtin_function.
4119 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
4120 lang_hooks.builtin_function with add_builtin_function.
4121 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
4122 lang_hooks.builtin_function with add_builtin_function.
4123 * config/stormy16/stormy16.c (xstormy16_init_builtins):
4124 Replace calls to lang_hooks.builtin_function with
4125 add_builtin_function.
4126 * config/iq2000/iq2000.c (def_builtin):
4127 Replace calls to lang_hooks.builtin_function with
4128 add_builtin_function.
4129 * config/ia64/ia64.c (def_builtin): Replace calls to
4130 lang_hooks.builtin_function with add_builtin_function.
4131 * config/rs6000/rs6000.c (def_builtin): Replace calls to
4132 lang_hooks.builtin_function with add_builtin_function.
4133 (altivec_init_builtins): Replace calls to
4134 lang_hooks.builtin_function with add_builtin_function.
4135 * config/arm/arm.c (def_mbuiltin): Replace calls to
4136 lang_hooks.builtin_function with add_builtin_function.
4137 (arm_init_tls_builtins): Replace calls to
4138 lang_hooks.builtin_function with add_builtin_function.
4139 * config/mips/mips.c (mips_init_builtins): Replace calls to
4140 lang_hooks.builtin_function with add_builtin_function.
4141 * config/bfin/bfin.c (def_builtin): Replace calls to
4142 lang_hooks.builtin_function with add_builtin_function.
4143 * langhooks-def.h (lhd_builtin_function): New function.
4144 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
4146 2006-10-23 Jakub Jelinek <jakub@redhat.com>
4148 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
4149 BUILT_IN_STRNCAT_CHK.
4151 2006-10-23 Jan Hubicka <jh@suse.cz>
4153 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
4154 don't do conversion from memmove to memcpy here.
4155 (expand_builtin_bcopy, expand_builtin): Update call of
4156 expand_builtin_memmove.
4157 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
4159 2006-10-23 Paul Brook <paul@codesourcery.com>
4161 * stor-layout.c (start_record_layout): maximum_field_alignment
4162 overrides STRUCTURE_SIZE_BOUNDARY.
4164 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
4166 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
4167 nonlocal function symbols if flag_pic.
4169 2006-10-23 Richard Guenther <rguenther@suse.de>
4173 * builtins.c (fold_binary): Remove checks for flag_wrapv
4174 and flag_trapv where negate_expr_p covers these cases.
4176 2006-10-23 Richard Guenther <rguenther@suse.de>
4179 * fold-const.c (fold_plusminus_mult_expr): Check exact power
4180 of two on the absolute value.
4181 (fold_binary): Fold x * -C to -x * C if x is easily negatable
4182 and negating -C does not overflow.
4184 2006-10-23 Richard Guenther <rguenther@suse.de>
4187 * convert.c (convert_to_real): Fold (float)-x to -(float)x
4188 only if not flag_rounding_math.
4190 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4191 Kaz Kojima <kkojima@gcc.gnu.org>
4194 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4195 SImode memory reference for the source of a movua.
4196 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4197 (movua): Use an unspec instead of sign_extract. Expect the source
4198 to have mode BLKmode.
4199 (extv, insv): Use a BLKmode rather than SImode memory reference
4200 for the source of a movua.
4202 2006-10-22 Jeff Law <law@redhat.com>
4203 Richard Guenther <rguenther@suse.de>
4205 PR tree-optimization/15911
4206 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4207 (register_edge_assert_for_1): Likewise.
4208 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4209 (find_conditional_asserts): Adjust for new function signature.
4210 (find_assert_locations): Likewise.
4212 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4214 * config/i386/tmmintrin.h: Remove the duplicated content.
4216 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4218 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4219 (x86_64-*-*): Likewise.
4221 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4222 (override_options): Check SSSE3.
4223 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4224 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4225 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4226 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4227 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4228 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4229 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4230 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4231 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4232 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4233 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4234 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4235 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4236 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4237 IX86_BUILTIN_PABSD128.
4238 (bdesc_2arg): Add SSSE3.
4239 (bdesc_1arg): Likewise.
4240 (ix86_init_mmx_sse_builtins): Support SSSE3.
4241 (ix86_expand_builtin): Likewise.
4242 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4244 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4245 (UNSPEC_PSIGN): Likewise.
4246 (UNSPEC_PALIGNR): Likewise.
4247 Include mmx.md before sse.md.
4249 * config/i386/i386.opt: Add -mssse3.
4251 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4252 (ssse3_phaddwv4hi3): Likewise.
4253 (ssse3_phadddv4si3): Likewise.
4254 (ssse3_phadddv2si3): Likewise.
4255 (ssse3_phaddswv8hi3): Likewise.
4256 (ssse3_phaddswv4hi3): Likewise.
4257 (ssse3_phsubwv8hi3): Likewise.
4258 (ssse3_phsubwv4hi3): Likewise.
4259 (ssse3_phsubdv4si3): Likewise.
4260 (ssse3_phsubdv2si3): Likewise.
4261 (ssse3_phsubswv8hi3): Likewise.
4262 (ssse3_phsubswv4hi3): Likewise.
4263 (ssse3_pmaddubswv8hi3): Likewise.
4264 (ssse3_pmaddubswv4hi3): Likewise.
4265 (ssse3_pmulhrswv8hi3): Likewise.
4266 (ssse3_pmulhrswv4hi3): Likewise.
4267 (ssse3_pshufbv16qi3): Likewise.
4268 (ssse3_pshufbv8qi3): Likewise.
4269 (ssse3_psign<mode>3): Likewise.
4270 (ssse3_psign<mode>3): Likewise.
4271 (ssse3_palignrti): Likewise.
4272 (ssse3_palignrdi): Likewise.
4273 (abs<mode>2): Likewise.
4274 (abs<mode>2): Likewise.
4276 * config/i386/tmmintrin.h: New file.
4278 * doc/extend.texi: Document SSSE3 built-in functions.
4280 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4282 2006-10-22 Ira Rosen <irar@il.ibm.com>
4284 * tree-vect-transform.c (vectorizable_load): Use the type of the
4285 return value of the mask_for_load builtin to create realign_load
4288 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4290 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4293 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4295 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4296 (UNSPEC_LDDQU): This.
4297 * config/i386/sse.md (sse3_lddqu): Updated.
4299 2006-10-21 Richard Guenther <rguenther@suse.de>
4301 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4302 (expand_builtin): Use it to expand lrint instead of
4303 expand_builtin_mathfn.
4305 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4308 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4309 flag_unsafe_math_optimizations is set.
4311 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4314 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4315 patterns to use memory input operand in x87->mem->XMM
4316 reload sequences. Skip transformation for TARGET_K8.
4318 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4320 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4321 force operand1 to register if both operands are memory operands.
4322 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4323 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4324 if both operands are memory operands.
4325 (truncdfsf2): Do not force operand1 to register if both operands
4326 are memory operands.
4328 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4330 * Makefile.in (LIBS): Add $(GMPLIBS).
4331 * doc/install.texi: Update GMP and MPFR requirements.
4332 * doc/sourcebuild.texi (need_gmp): Delete.
4334 2006-10-21 Richard Guenther <rguenther@suse.de>
4336 PR tree-optimization/3511
4337 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4338 got new invariant arguments during PHI translation.
4340 2006-10-21 Richard Guenther <rguenther@suse.de>
4343 * fold-const.c (fold_comparison): Fold signed comparisons
4344 of the form X +- C1 CMP Y +- C2.
4346 2006-10-21 Richard Guenther <rguenther@suse.de>
4349 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4350 if flag_unsafe_math_optimizations is specified. We have
4351 flag_finite_math_only for that.
4352 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4353 or flag_unsafe_math_optimizations.
4355 2006-10-21 Richard Guenther <rguenther@suse.de>
4357 * builtins.c (fold_builtin_classify): Fix typo.
4359 2006-10-21 Richard Guenther <rguenther@suse.de>
4362 * simplify-rtx.c (simplify_const_relational_operation):
4363 Do not constant-fold ORDERED and UNORDERED for
4364 flag_unsafe_math_optimizations but only we do not need to
4365 honor NaNs for the given mode.
4367 2006-10-21 Richard Guenther <rguenther@suse.de>
4370 * config/i386/i386.c (classify_argument): Remove redundant
4371 walking of the BINFOs.
4372 (contains_128bit_aligned_vector_p): Likewise.
4374 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4376 * BASE-VER: Set to 4.3.0.
4378 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4380 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4381 (tree_decl_with_vis): Remove artificial_pta_var flag.
4382 * tree-flow.h (referenced_var_check_and_insert): Expose.
4383 (nonlocal_all): New prototype.
4384 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4385 (nonlocal_all): Make global.
4386 (nonlocal_lookup): Remove.
4387 (nonlocal_insert): Ditto.
4388 (create_nonlocal_var): Do not call nonlocal_insert.
4389 (get_nonlocal_id_for_type): Remove.
4390 (find_global_initializers): Mark new vars we find for renaming.
4391 (intra_create_variable_infos): Only create one nonlocal.
4392 (expand_nonlocal_solutions): Remove.
4393 (compute_points_to_sets): Don't call it.
4394 (ipa_pta_execute): Ditto.
4395 (init_alias_heapvars): Don't create nonlocal_for_type.
4396 (delete_alias_heapvars): Don't remove it.
4397 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4400 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4402 * doc/install.texi (Downloading GCC): Clarify mention of
4403 Fortran in the "full distribution" description.
4405 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4407 Fix PR tree-optimization/28778
4408 Fix PR tree-optimization/29156
4409 Fix PR tree-optimization/29415
4410 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4411 (tree_decl_with_vis): Add artificial_pta_var flag.
4412 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4413 pushed into callers.
4414 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4415 (nonlocal_all): Ditto.
4416 (struct variable_info): Add directly_dereferenced member.
4417 (var_escaped_vars): New variable.
4418 (escaped_vars_tree): Ditto.
4419 (escaped_vars_id): Ditto.
4420 (nonlocal_vars_id): Ditto.
4421 (new_var_info): Set directly_dereferenced.
4422 (graph_size): New variable
4423 (build_constraint_graph): Use graph_size.
4424 (solve_graph): Don't process constraints that cannot change the
4425 solution, don't try to propagate an empty solution to our
4427 (process_constraint): Set directly_dereferenced.
4428 (could_have_pointers): New function.
4429 (get_constraint_for_component_ref): Don't process STRING_CST.
4430 (nonlocal_lookup): New function.
4431 (nonlocal_insert): Ditto.
4432 (create_nonlocal_var): Ditto.
4433 (get_nonlocal_id_for_type): Ditto.
4434 (get_constraint_for): Allow results vector to be empty in the case
4435 of string constants.
4436 Handle results of calls properly.
4437 (update_alias_info): Update alias info stats on number and type of
4439 (find_func_aliases): Use could_have_pointers.
4440 (make_constraint_from_escaped): Renamed from
4441 make_constraint_to_anything, and changed to make constraints from
4443 (make_constraint_to_escaped): New function.
4444 (find_global_initializers): Ditto.
4445 (create_variable_info_for): Make constraint from escaped to any
4446 global variable, and from any global variable to the set of
4448 (intra_create_variable_infos): Deal with escaped instead of
4449 pointing to anything.
4450 (set_uids_in_ptset): Do type pruning on directly dereferenced
4452 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4453 (init_base_vars): Fix comment, and initialize escaped_vars.
4454 (need_to_solve): Removed.
4455 (find_escape_constraints): New function.
4456 (expand_nonlocal_solutions): Ditto.
4457 (compute_points_to_sets): Call find_escape_constraints and
4458 expand_nonlocal_solutions.
4459 (delete_points_to_sets): Don't fall off the end of the graph.
4460 (init_alias_heapvars): Initialize nonlocal_for_type and
4462 (delete_alias_heapvars): Free nonlocal_for_type and null out
4465 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4467 * fold-const.c (add_double): Rename to add_double_with_sign.
4468 Add 'unsigned_p' parameter and take it into account for the overflow.
4469 (mul_double): Rename to mul_double_with_sign.
4470 Add 'unsigned_p' parameter and take it into account for the overflow.
4471 (fold_div_compare): Call add_double_with_sign instead of add_double
4472 and mul_double_with_sign instead of mul_double, passing them the
4473 unsignedness of the type.
4474 * tree.h (add_double): Macroize.
4475 (add_double_with_sign): New prototype.
4476 (mul_double): Macroize.
4477 (mul_double_with_sign): New prototype.
4479 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4481 * config/score/crti.asm: New file.
4482 * config/score/crtn.asm: New file.
4483 * config/score/elf.h: New file.
4484 * config/score/mac.md: New file.
4485 * config/score/misc.md: New file.
4486 * config/score/mul-div.S: New file.
4487 * config/score/predicates.md: New file.
4488 * config/score/score7.md: New file.
4489 * config/score/score.c: New file.
4490 * config/score/score-conv.h: New file.
4491 * config/score/score.h: New file.
4492 * config/score/score.md: New file.
4493 * config/score/score-mdaux.c: New file.
4494 * config/score/score-mdaux.h: New file.
4495 * config/score/score-modes.def: New file.
4496 * config/score/score.opt: New file.
4497 * config/score/score-protos.h: New file.
4498 * config/score/score-version.h: New file.
4499 * config/score/t-score-elf: New file.
4500 * config.gcc: Add score*-*-* configurations(Update before).
4501 * doc/invoke.texi (Score Options): New section.
4502 * doc/md.texi (Score family): New section to document constraints.
4504 2006-10-19 Nick Clifton <nickc@redhat.com>
4506 * config/arm/arm.c: Fix spelling typo.
4508 2006-10-18 Tom Tromey <tromey@redhat.com>
4510 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4512 2006-10-18 Jan Hubicka <jh@suse.cz>
4515 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4518 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4520 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4521 TSI_SAME_STMT, since that's the desired entity.
4523 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4525 * config/s390/contraints.md: New file.
4526 * config/s390/s390-protos.h (s390_mem_constraint,
4527 s390_O_constraint_str, s390_N_constraint_str,
4528 s390_float_const_zero_p): Function prototypes added.
4529 * config/s390/s390.c (s390_extra_constraint_str,
4530 s390_const_double_ok_for_constraint_p,
4531 s390_const_ok_for_constraint_p): Functions removed.
4532 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4533 s390_float_const_zero_p): New functions.
4534 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4535 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4536 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4537 Macro definitions removed.
4538 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4539 s390_extra_constraint_str): Functions removed.
4541 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4542 Richard Sandiford <richard@codesourcery.com>
4545 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4546 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4548 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4550 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4551 (DWARF2_FRAME_REG_OUT): Likewise.
4552 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4553 (DWARF2_FRAME_REG_OUT): Likewise.
4555 2006-10-17 Paul Brook <paul@codesourcery.com>
4557 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4559 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4561 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4562 Standardize on "GNU Fortran" as the official name of the Fortran
4565 2006-10-16 Mike Stump <mrs@apple.com>
4567 * doc/invoke.texi (Darwin Options): Document -mkernel.
4568 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4570 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4571 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4572 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4573 (OS_MISSING_ALTIVEC): Add.
4574 * config/i386/i386.c (override_options): Add
4575 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4576 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4577 -mkernel, -static or -mdynamic-no-pic is given.
4578 (C_COMMON_OVERRIDE_OPTIONS): Add.
4579 * config/darwin.opt (fapple-kext): Add.
4581 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4582 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4584 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4585 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4586 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4587 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4588 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4589 (flag_mkernel): Add.
4590 (flag_apple_kext): Add.
4591 (TARGET_KEXTABI): Add.
4592 * config/darwin.c (darwin_handle_kext_attribute): Add.
4593 (DARWIN_VTABLE_P): Add.
4594 (darwin_binds_local_p): Add partial support for rebinding vtables
4596 (darwin_kextabi_p): Add.
4597 (darwin_override_options): Add.
4598 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4599 (darwin_kextabi_p): Add.
4600 (darwin_override_options): Add.
4601 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4602 __DYNAMIC__ and __STATIC__ here.
4604 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4606 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4607 Added mention of "make pdf" target, and Texinfo requirements for
4610 2006-10-16 DJ Delorie <dj@redhat.com>
4612 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4613 into the GOT in case we need a subreg of the address.
4615 2006-10-16 Richard Guenther <rguenther@suse.de>
4618 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4619 SSE builtin documentation. Document SSE2 builtins.
4621 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4623 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4624 symbol in the output file for non-shared links when -nostdlib or
4625 -nodefaultlibs isn't specified.
4627 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4628 posix thread support.
4630 2006-10-15 Jan Hubicka <jh@suse.cz>
4633 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4634 declared always_inline even when not inlining.
4636 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4637 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4638 Andrew Pinski <pinskia@gmail.com>
4641 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4643 2006-10-15 Jan Hubicka <jh@suse.cz>
4644 Richard Guenther <rguenther@suse.de>
4647 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4648 process_function_and_variable_attributes on all variables, including
4649 those discovered during cgraph construction phase.
4651 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4653 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4655 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4657 * config/i386/athlon.md (athlon_fist): Add fisttp.
4659 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4660 Ian Lance Taylor <ian@airs.com>
4663 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4664 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4667 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4669 * config/score/score.c, config/score/score.h: Fix comment
4672 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4675 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4678 2006-10-13 Eric Christopher <echristo@apple.com>
4680 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4682 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4685 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4686 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4687 alignment supported by 32-bit ELF.
4689 2006-10-13 Eric Christopher <echristo@apple.com>
4691 * config/darwin.c (darwin_emit_unwind_label): Strip
4692 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4694 2006-10-13 Richard Guenther <rguenther@suse.de>
4696 PR tree-optimization/29446
4697 * tree-vrp.c (fix_equivalence_set): Remove.
4698 (extract_range_from_assert): Do not call fix_equivalence_set.
4699 (debug_value_range): Print a newline.
4700 (compare_name_with_value): For equivalence sets with
4701 inconsistent value ranges conservatively bail out.
4702 (compare_names): Likewise.
4704 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4706 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4707 and MPFR for gfortran.
4709 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4711 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4712 alignment supported by 32-bit ELF.
4714 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4718 * c-typeck.c (digest_init): Always allow initializing vectors
4719 that have static storage duration with compound literals.
4720 * tree.c (build_type_attribute_qual_variant): New, based on
4721 build_type_attribute_variant.
4722 (build_type_attribute_variant): Rewrite using the former.
4723 (make_vector_type): Use build_type_attribute_qual_variant to build
4724 type variants. Use type_hash_canon on the others.
4726 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4727 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4729 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4731 2006-10-12 Jan Hubicka <jh@suse.cz>
4734 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4735 current_function_decl is set but current_function_scope is not.
4737 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4739 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4740 emit_insn to emit eh_return_internal instruction.
4741 (eh_return_internal): Explicitly set pc.
4743 2006-10-11 Richard Guenther <rguenther@suse.de>
4745 PR tree-optimization/28230
4746 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4747 to the correct place.
4749 2006-10-11 Richard Guenther <rguenther@suse.de>
4752 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4755 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4757 * configure.ac: Added pdf to "Make-hooks"
4758 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4759 targets and *.pdf file patterns in cleanup targets.
4760 * configure: Regenerated.
4762 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4764 * config/avr/predicates.md: New file.
4765 * config/avr/avr.md: Include it.
4766 (REG_SP): New constant.
4767 (peepholes): Use predicates.
4768 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4769 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4770 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4772 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4774 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4777 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4780 * builtins.c (var_decl_component_p): New function.
4781 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4782 single entry optimization to variables and components thereof.
4784 2006-10-10 Richard Guenther <rguenther@suse.de>
4786 PR rtl-optimization/29323
4787 * except.c (set_nothrow_function_flags): For functions
4788 that do not bind local bail out early.
4790 2006-10-10 Ben Elliston <bje@au.ibm.com>
4792 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4795 2006-10-09 Richard Henderson <rth@redhat.com>
4797 Revert emutls patch.
4799 2006-10-09 Richard Guenther <rguenther@suse.de>
4802 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4805 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4808 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4809 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4810 * configure: Regenerate.
4811 * config.in: Regenerate.
4813 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4815 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4817 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4819 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4820 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4821 Remove stray newline.
4823 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4825 * config/mips/mips.c (mips_classify_symbol): Do not return
4826 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4827 (mips_in_small_data_p): Tweak comments.
4829 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4831 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4833 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4835 * gimplify.c, sched-int.h: Fix comment typos.
4837 * sched-int.h: Fix comment typos.
4839 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4841 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4843 * sched-ebb.c (begin_schedule_ready): Use them.
4844 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4845 add_to_speculative_block, create_check_block_twin, speculate_insn,
4846 fix_jump_move, move_block_after_check): Ditto.
4847 * sched-rgn.c (new_ready): Ditto.
4849 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4851 PR rtl-optimization/29128
4852 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4853 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4854 allow interblock movement of speculation checks.
4856 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4859 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4860 casted to integer type.
4861 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4862 if they are significantly more expensive than [reg + index] ones.
4864 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4866 PR tree-optimization/29330
4867 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4868 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4869 on newly allocated ddrs.
4870 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4871 to VEC (loop_p, heap) pointer.
4872 (compute_data_dependences_for_loop): Adjust caller.
4873 (free_dependence_relations): Free DDR_LOOP_NEST.
4875 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4876 free DEPENDENCE_RELATIONS and DATAREFS.
4879 * builtins.c (expand_builtin_sync_operation,
4880 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4881 Use convert_to_mode to handle promoted arguments.
4883 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4885 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4887 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4889 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4891 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4893 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4894 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4895 Use <modeconstraint> instead of "r" as operand 1 constraint.
4897 2006-10-06 Olivier Hainque <hainque@adacore.com>
4899 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4900 Don't recurse on the pointed-to type.
4901 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4902 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4903 types with components of variable size.
4905 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4907 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4909 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4911 PR tree-optimization/29290
4912 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4916 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4917 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4920 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4921 the number of vector elements fill the rest with zeros.
4923 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4925 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4926 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4929 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4931 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4932 unnamed pattern into subsi3. Use correct constraints/predicates.
4933 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4934 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4936 2006-10-05 Ira Rosen <irar@il.ibm.com>
4938 * doc/loop.texi: Add data references analysis description.
4940 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4942 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4944 2006-10-04 Richard Henderson <rth@redhat.com>
4945 Jakub Jelinek <jakub@redhat.com>
4947 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4948 * builtin-types.def (BT_WORD): Make unsigned.
4949 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4950 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4951 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4952 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4953 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4954 * cgraph.c (decide_is_variable_needed): Look at force_output.
4955 Recurse for emulated tls.
4956 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4957 checks redundant with decide_is_variable_needed.
4958 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4959 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4961 * expr.c (emutls_var_address): New.
4962 (expand_expr_real_1): Expand emulated tls.
4963 (expand_expr_addr_expr_1): Likewise.
4964 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4965 * output.h (emutls_finish): Declare.
4966 * toplev.c (compile_file): Call it.
4967 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4968 address before wrapping in CONST.
4969 * varasm.c (emutls_htab, emutls_object_type): New.
4970 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4971 (get_emutls_object_name, get_emutls_object_type): New.
4972 (get_emutls_init_templ_addr, emutls_decl): New.
4973 (emutls_common_1, emutls_finish): New.
4974 (assemble_variable): When emulating tls, swap decls; generate
4975 constructor for the emutls objects.
4976 (do_assemble_alias): When emulating tls, swap decl and target name.
4977 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4979 * emutls.c: New file.
4980 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4981 tls_object for real tls.
4983 2006-10-04 Zack Weinberg <zackw@panix.com>
4985 Fix bug in constraint-check generator, reported by Rask Ingemann
4987 * genpreds.c (add_constraint): Don't remove anything from the
4989 (write_tm_constrs_h): Detect whether "op" argument is used, and
4990 mark it ARG_UNUSED if it isn't.
4991 (write_insn_const_int_ok_for_constraint): Skip the part of the
4992 expression that would test whether "op" (which is not available
4993 here) is a CONST_INT.
4995 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4998 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
5000 2006-10-03 Geoffrey Keating <geoffk@apple.com>
5002 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
5003 current Leopard versions.
5004 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
5006 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
5008 * doc/install.texi: Fix typos.
5010 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5012 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
5013 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
5014 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
5016 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
5018 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
5019 arg to be struct mach_header_64* instead.
5021 2006-10-02 Jakub Jelinek <jakub@redhat.com>
5024 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
5025 side effects after the outer expression's post side effects.
5027 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
5029 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
5030 comments to reflect actual behavior and relationship between
5031 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
5033 * doc/c-tree.texi (Working with declarations): Fix documentation
5034 of FIELD_DECL likewise.
5036 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
5039 * doc/extend.texi: Add used variable attribute description.
5041 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
5044 * c.opt (Woverride-init): New.
5045 * c-opts.c (c_common_post_options): Default warn_override_init to
5047 * c-typeck.c (add_pending_init, output_init_element): Warn for
5048 overriding initializers without side effects.
5049 * doc/invoke.texi (-Woverride-init): Document.
5052 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
5054 PR rtl-optimization/28096
5055 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
5056 assignment has already been used as a destination earlier in the block.
5058 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
5060 * builtins.c (expand_builtin_setjmp): Delete.
5061 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
5062 <BUILT_IN_SETJMP_SETUP>: New case.
5063 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
5064 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
5065 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
5066 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
5067 (BUILT_IN_SETJMP_RECEIVER): Likewise.
5068 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
5069 (lower_function_body): Initialize it to false. If it is set to true
5070 at the end of the processing, emit the setjmp dispatcher.
5071 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
5072 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
5073 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
5074 on the rhs of the assignment.
5075 (lower_builtin_setjmp): New function.
5076 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
5077 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
5078 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
5079 to detect calls that can go to non-local labels. Use specific
5080 helper to create the abnormal edges associated with them.
5081 <MODIFY_EXPR>: Likewise.
5082 (make_abnormal_goto_edges): New function extracted from...
5083 (make_goto_expr_edges): ...here. Call it for computed gotos.
5084 (simple_goto_p): Minor tweak.
5085 (tree_can_make_abnormal_goto): New predicate.
5086 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
5087 (tree_purge_dead_abnormal_call_edges): New function.
5088 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
5089 (tree_purge_dead_abnormal_call_edges): Likewise.
5090 (make_abnormal_goto_edges): Likewise.
5091 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
5092 Purge all dead abnormal edges if the call was in the last statement.
5093 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
5094 (execute_fixup_cfg): If there are non-local labels in the function,
5095 scan the basic blocks and split them at calls that can go to non-local
5096 labels or add missing abnormal call edges. Write down the CFG in the
5098 (pass_fixup_cfg): Remove TODO_dump_func flag.
5099 * unwind-sjlj.c: Poison setjmp.
5100 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
5101 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
5102 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
5103 (DONT_USE_BUILTIN_SETJMP): Document it.
5105 2006-09-28 Geoffrey Keating <geoffk@apple.com>
5108 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
5109 to 1 when __ppc64__ is defined.
5110 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
5112 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
5114 2006-09-28 Steve Ellcey <sje@cup.hp.com>
5116 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
5117 * config/ia64/unwind-hpux.c: Delete.
5119 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
5121 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
5122 on the element before gimplifying it, instead of punting if it is of
5125 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
5127 * doc/loop.texi: New file.
5128 * doc/gccint.texi: Reference loop.texi.
5129 * Makefile.in (loop.texi): Add.
5131 2006-09-27 Geoffrey Keating <geoffk@apple.com>
5133 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
5135 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5136 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5138 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
5140 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
5142 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
5144 * doc/install.texi: Document required versions of GMP and MPFR.
5146 2006-09-27 Paul Brook <paul@codesourcery.com>
5149 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
5151 2006-09-27 Richard Sandiford <richard@codesourcery.com>
5153 * reload1.c (alter_reg): Require the alignment of the stack slot to
5154 be at least reg_max_ref_width bytes.
5155 (scan_paradoxical_subregs): Record the largest width in
5158 2006-09-26 Jakub Jelinek <jakub@redhat.com>
5162 * tree-nested.c (struct nesting_info): Added static_chain_added.
5163 (convert_call_expr): Set static_chain_added when adding static
5164 chain. Handle OMP_PARALLEL and OMP_SECTION.
5166 2006-09-25 Matthias Klose <doko@debian.org>
5168 * doc/invoke.texi: Add missing full stop.
5170 2006-09-25 Richard Henderson <rth@redhat.com>
5172 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
5173 before cgraph_function_flags_ready.
5175 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
5176 Adam Nemet <anemet@caviumnetworks.com>
5178 * tree-ssa-loop-ivopts.c (aff_combination_convert,
5179 determine_common_wider_type): New functions.
5180 (get_computation_aff): Use them to simplify arithmetic between
5181 UBASE and CBASE if they are shortened from the same type.
5183 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
5186 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
5187 -2147483647 - 1 instead of 0x80000000.
5189 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
5191 * flags.h (HONOR_NANS): Fix typo in comment.
5193 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5195 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5197 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5201 * tree.c (merge_attributes, attribute_list_contained): If both
5202 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5204 * c-typeck.c (comptypes_internal): Don't consider aggregates
5205 in different TUs as compatible if there one set of attributes is
5206 not a subset of the other type's attributes.
5207 (composite_type): Try harder not to create a new aggregate type.
5209 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5211 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5212 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5213 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5214 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5215 than replicating condition above.
5216 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5218 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5219 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5220 the linker by default.
5222 2006-09-22 Mike Stump <mrs@apple.com>
5224 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5227 2006-09-22 Richard Guenther <rguenther@suse.de>
5230 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5231 sort of stack variables stable.
5233 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5236 * explow.c (force_reg): Set REG_POINTER flag according to
5239 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5241 PR tree-optimization/28888
5242 * tree-if-conv.c (combine_blocks): Rewritten.
5243 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5244 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5246 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5248 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5251 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5253 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5255 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5257 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5259 2006-09-21 Roger Sayle <roger@eyesopen.com>
5262 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5263 dw_fde_current_label, to be the start of the function, i.e. the same
5264 value as dw_fde_begin.
5266 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5268 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5269 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5270 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5271 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5272 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5273 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5274 (abs<mode>2, neg<mode>2): Likewise.
5275 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5276 (*mips_abs_ps): New define_insn.
5278 2006-09-20 Josh Conner <jconner@apple.com>
5281 * calls.c (expand_call): Allow reuse of structure return stack
5284 2006-09-20 Paul Brook <paul@codesourcery.com>
5286 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5289 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5291 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5292 clean up terminology.
5294 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5297 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5298 with tablejumps in them.
5300 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5303 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5304 wrap it into TARGET_EXPR.
5306 2006-09-20 Eric Christopher <echristo@apple.com>
5308 * config/i386/i386.c (x86_fisttp): Remove.
5309 * config/i386/i386.h (x86_fisttp): Ditto.
5310 (TARGET_FISTTP): Ditto.
5312 2006-09-19 Eric Christopher <echristo@apple.com>
5314 * doc/tm.texi (OBJC_JBLEN): Describe.
5315 * config/i386/darwin.h (OBJC_JBLEN): Define.
5316 * config/rs6000/darwin.h: Ditto.
5318 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5320 PR rtl-optimization/21299
5321 * reload1.c (reload): Purge invalid ASMs in the final pass.
5323 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5326 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5327 pointers as legitimate constants.
5329 2006-09-19 Paul Brook <paul@codesourcery.com>
5332 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5334 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5336 PR tree-optimization/28887
5337 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5338 component parts from the reference.
5339 (gather_memory_references_ref): Record the reference without the
5340 nonaddressable component parts.
5342 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5345 * c-opts.c (c_common_handle_option): Ignore the -std options
5346 if the input language is assembly.
5348 2006-09-17 Ira Rosen <irar@il.ibm.com>
5351 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5353 (ptr_ptr_may_alias_p): Likewise.
5354 (record_record_differ_p): New function.
5355 (base_object_differ_p): Call record_record_differ_p.
5357 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5360 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5361 away for the expr argument.
5363 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5366 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5367 before using it for dumping after vectorizing loops.
5369 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5370 Jack Howarth <howarth@bromo.med.uc.edu>
5373 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5374 skip on error_mark_node.
5375 (rs6000_darwin64_record_arg_recurse): Likewise.
5377 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5379 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5380 * doc/rtl.texi: Remove related documentation.
5382 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5384 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5387 2006-09-15 Jim Wilson <wilson@specifix.com>
5389 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5390 Handle symbol offsets same as they are handled in ia64_expand_move
5393 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5395 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5396 Add forgotten parameter to the fprintf call.
5398 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5400 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5402 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5404 * doc/contrib.texi: Add my entry.
5406 2006-09-15 Nick Clifton <nickc@redhat.com>
5408 * doc/md.texi (Processor pipeline description): Fix typo in
5409 example of how to use the absence_set directive and reword the
5410 description to make it slightly easier to read.
5412 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5414 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5415 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5416 expanding the number of iterations.
5417 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5419 * cfgrtl.c (emit_insn_at_entry): New function.
5420 * rtl.h (emit_insn_at_entry): Declare it.
5421 * integrate.c (emit_initial_value_sets): Use it.
5423 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5425 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5427 (struct loop_work and related VEC declarations): Delete.
5428 (bfin_dump_loops): Print out new member bad.
5429 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5430 (bfin_scan_loop): Don't recurse.
5431 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5432 loops. No longer need to update outer loops if the current one is
5433 found bad. Move some validitiy checks to bfin_discover_loop.
5434 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5435 but changed not to check for nesting. Also changed to use the new bad
5437 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5438 time. Use bitmap based test to discover loop nesting.
5440 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5442 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5445 2006-09-14 Richard Guenther <rguenther@suse.de>
5446 Kazu Hirata <kazu@codesourcery.com>
5448 PR middle-end/28884.
5449 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5450 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5451 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5452 with TARGET_FUNCTION_VALUE.
5454 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5457 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5459 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5461 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5464 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5467 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5470 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5472 * basic_block.h (bb_has_eh_pred): Fix comment.
5474 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5476 * flow.c (calculate_global_regs_live): Invalidate eh registers
5477 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5478 (propagate_block): Handle eh registers as if they were set at basic
5480 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5482 * global.c (global_conflicts): Make eh registers to conflict with
5483 pseudos live at basic block begin.
5484 * basic_block.h (bb_has_eh_pred): New function.
5486 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5488 PR rtl-optimization/28982
5489 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5490 index of a PRE_MODIFY or POST_MODIFY address.
5491 * reload1.c (inc_for_reload): Use find_replacement on the original
5492 base and index registers.
5494 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5496 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5497 for -Os. Update __m128 alignment requirement.
5499 2006-09-13 Jan Hubicka <jh@suse.cz>
5501 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5503 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5505 PR rtl-optimization/28243
5506 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5507 the insn to which the note was originally attached.
5509 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5510 Roger Sayle <roger@eyesopen.com>
5512 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5513 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5514 on platforms that don't use dwarf for debug info.
5516 2006-09-12 Jason Merrill <jason@redhat.com>
5519 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5520 hard_frame_pointer_rtx after using it to update the frame pointer.
5522 2006-09-12 Roger Sayle <roger@eyesopen.com>
5524 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5525 (TARGET_ASM_CLOSE_PAREN): Likewise.
5526 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5527 (TARGET_ASM_CLOSE_PAREN): Likewise.
5529 2006-09-12 Roger Sayle <roger@eyesopen.com>
5532 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5533 frame information for frames larger than 512 Kbytes on Tru64 when
5534 using the native assembler.
5536 2006-09-12 Roger Sayle <roger@eyesopen.com>
5540 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5541 and symbols. Instead use the implementation from cse.c's hash_rtx.
5543 2006-09-12 Jan Hubicka <jh@suse.cz>
5545 PR rtl-optimization/28071
5546 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5547 (vect_transform_loop): Likewise.
5548 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5549 (new_loop_vec_info): Likewise.
5550 (destroy_loop_vec_info): Likewise.
5551 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5552 (create_stmt_ann): Likewise.
5553 (create_tree_ann): Rename to ...
5554 (create_tree_common_ann): ... this one; allocate only the common part
5556 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5557 (get_value_handle): Likewise.
5558 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5559 get_tree_common_ann.
5560 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5561 (vinfo_for_stmt): Use stmt annotations.
5562 * tree-flow.h (tree_ann_common_t): New type.
5563 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5564 (tree_ann, get_tree_ann, create_tree_ann): New.
5565 * tree-flow-inline.h (get_function_ann): Do more type checking.
5566 (stmt_ann): Likewise.
5567 (tree_ann): Rename to ...
5568 (tree_common_ann): ... this one; return ony common_ann
5569 (get_tree_ann): Rename to ...
5570 (tree_common_ann): This one; return only common_ann.
5571 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5574 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5576 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5577 with_cpu by default.
5579 * dwarf2out.c (dwarf_file_data): New.
5580 (enum dw_val_class): Add dw_val_class_file.
5581 (struct dw_val_struct): Add val_file.
5582 (file_table): Change to a hash table.
5583 (file_table_emitted): Delete.
5584 (file_table_last_lookup_index): Delete.
5585 (emitcount): Delete.
5586 (last_emitted_file): New.
5587 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5588 (init_file_table): Delete.
5589 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5590 (AT_addr): Add comment.
5594 (print_die): Handle dw_val_class_file.
5595 (print_dwarf_line_table): Update for new file table structure.
5596 (attr_checksum): Do checksum a filename.
5597 (same_dw_val_p, same_attr_p): Do compare a filename.
5598 (size_of_die): Handle dw_val_class_file.
5599 (value_format): Likewise.
5600 (output_die): Likewise. Also, call maybe_emit_file here.
5601 (struct file_info): Constify filenames. Make file_idx a pointer
5602 to a struct dwarf_file_data.
5603 (struct dir_info): Constify directory names. Remove 'used' field.
5604 (struct file_name_acquire_data): New.
5605 (file_name_acquire): New.
5606 (output_file_names): Modify to handle new file data structures.
5607 (add_src_coords_attributes): Use add_AT_file.
5608 (add_call_src_coords_attributes): Likewise.
5609 (dwarf2out_imported_module_or_decl): Likewise.
5610 (gen_subprogram_die): Modify for new file data structures.
5611 (gen_variable_die): Likewise.
5612 (file_table_eq): New.
5613 (file_table_hash): New.
5614 (file_table_last_lookup): New.
5615 (lookup_filename): Rewrite to handle new file data structures.
5616 (maybe_emit_file): Rewrite to handle new file data structures.
5617 (dwarf2out_source_line): Always call lookup_filename and
5619 (dwarf2out_init): Create file_table here.
5620 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5621 (file_table_relative_p): New.
5622 (dwarf2out_finish): Change detection of relative filenames
5623 to work with new file data structures. Move output_line_info call
5624 after debug_info output.
5626 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5631 * config/i386/i386.c (override_options): Always default to 16
5632 byte stack boundary.
5634 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5637 * var-tracking.c (dump_dataflow_set): Start dumping at
5639 (clobber_variable_part): Kill only the variable part in
5640 registers holding it, leaving other variables alone.
5642 2006-09-11 Josh Triplett <josh@freedesktop.org>
5644 * doc/extend.texi (Other Builtins): Actually use the macro
5645 argument in the documentation example for
5646 __builtin_types_compatible_p.
5648 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5650 PR rtl-optimization/28726
5651 * sched-deps.c (sched_analyze_reg): New function extracted from...
5652 (sched_analyze_1): ...here. Call it to analyze references to
5653 registers. Treat again writes to a stack register as writing to the
5655 (sched_analyze_2): ...and here. Call it to analyze references to
5656 registers. Treat again reads of a stack register as reading the
5659 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5660 David Edelsohn <edelsohn@gnu.org>
5663 * config/rs6000/spe.md (frob_df_di): Remove %H.
5664 (frob_di_df): Remove %H. Change evmergelo to mr.
5665 (frob_di_df_2): Remove %H. Change evldd to two loads.
5667 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5669 * doc/cpp.texi: Fix names of charset options.
5671 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5674 * config/i386/i386.c (override_options): Use 128-bit
5675 stack boundary always for 64bits.
5677 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5679 PR rtl-optimization/28636
5680 * combine.c (force_to_mode): Test for side-effects before
5681 substituting by zero.
5682 (simplify_shift_const): Likewise for zero or other constants.
5684 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5687 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5690 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5693 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5694 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5695 returned by mode_for_size, rather than the mode of src itself,
5696 to choose between 32-bit and 64-bit patterns.
5697 (mips_mem_fits_mode_p): New function.
5698 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5699 that the size of the source matches the size of the destination.
5700 (mov_<store>l, mov_<store>r): Likewise.
5702 2006-09-10 Eric Christopher <echristo@apple.com>
5704 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5707 2006-09-09 Eric Christopher <echristo@apple.com>
5710 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5713 2006-09-09 Roger Sayle <roger@eyesopen.com>
5714 Nicolas Setton <setton@adacore.com>
5716 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5718 2006-09-10 Andreas Schwab <schwab@suse.de>
5720 * config/m68k/m68k.md (bungt_rev): New pattern.
5722 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5723 Dale Johannesen <dalej@apple.com>
5726 * regclass.c (struct reg_pref): Update documentation.
5727 (regclass): Set prefclass to NO_REGS if memory is the best option.
5728 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5730 2006-09-08 Eric Christopher <echristo@apple.com>
5732 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5733 * config/t-slibgcc-darwin: Support x86_64 multilib.
5734 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5735 Return 1 for x86_64-darwin.
5736 * config/i386/t-darwin: Add m64 multilib.
5737 (LIB2_SIDITI_CONV_FUNCS): Use.
5738 (LIB2FUNCS_EXTRA): Ditto.
5739 * config/i386/darwin.h: Support x86_64.
5740 * config/i386/i386.c (override_options): Turn on flag_pic
5741 for x86_64-darwin. Disable flag_omit_pointer.
5742 (get_pc_thunk_name): Assert !TARGET_64BIT.
5743 (legitimate_address_p): Disable machopic addressing for
5745 (legitimize_pic_address): Ditto.
5746 (ix86_expand_move): Ditto.
5747 (ix86_expand_call): Ditto.
5748 (machopic_output_stub): Ditto.
5749 * config/darwin.c (machopic_select_section): Support literal16.
5750 (machopic_select_rtx_section): Ditto.
5751 * config/darwin-sections.def: Ditto.
5752 * config/darwin-64.c: New.
5754 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5757 * c-tree.h (struct c_arg_info): Add pending_sizes.
5758 * c-parser.c (c_parser_parms_declarator,
5759 c_parser_parms_list_declarator): Initialize pending_sizes.
5760 * c-decl.c (get_parm_info): Initialize pending_sizes.
5761 (get_parm_info): Set pending_sizes.
5762 (grokdeclarator): Call put_pending_sizes for parameters for
5763 function definition only.
5765 2006-09-07 Jason Merrill <jason@redhat.com>
5768 * varasm.c (output_constant): Only strip actual no-op conversions.
5771 * config/i386/i386.c (override_options): Use 128-bit
5772 stack boundary if -msse.
5774 2006-09-07 Eric Christopher <echristo@apple.com>
5776 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5778 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5781 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5783 * dwarf2out.c: Remove strange characters from comment above
5784 dwarf2out_frame_debug_expr.
5786 2006-09-07 Eric Christopher <echristo@apple.com>
5788 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5789 * config/darwin.h: ... to here.
5791 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5793 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5795 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5796 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5798 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5799 TARGET_PARTIAL_FLAG_REG_STALL.
5800 (*ashldi3_cconly_rex64): Likewise.
5801 (*ashlsi3_cmp): Likewise.
5802 (*ashlsi3_cconly): Likewise.
5803 (*ashlsi3_cmp_zext): Likewise.
5804 (*ashlhi3_cmp): Likewise.
5805 (*ashlhi3_cconly): Likewise.
5806 (*ashlqi3_cmp): Likewise.
5807 (*ashlqi3_cconly): Likewise.
5808 (*ashrdi3_cmp_rex64): Likewise.
5809 (*ashrdi3_cconly_rex64): Likewise.
5810 (*ashrsi3_cmp): Likewise.
5811 (*ashrsi3_cconly): Likewise.
5812 (*ashrsi3_cmp_zext): Likewise.
5813 (*ashrhi3_cmp): Likewise.
5814 (*ashrhi3_cconly): Likewise.
5815 (*ashrqi3_cmp): Likewise.
5816 (*ashrqi3_cconly): Likewise.
5817 (*lshrdi3_cmp_rex64): Likewise.
5818 (*lshrdi3_cconly_rex64): Likewise.
5819 (*lshrsi3_cmp): Likewise.
5820 (*lshrsi3_cconly): Likewise.
5821 (*lshrsi3_cmp_zext): Likewise.
5822 (*lshrhi3_cmp): Likewise.
5823 (*lshrhi3_cconly): Likewise.
5824 (*lshrqi2_cmp): Likewise.
5825 (*lshrqi2_cconly): Likewise.
5827 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5830 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5831 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5832 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5833 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5834 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5835 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5836 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5837 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5838 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5839 implement only CC setting effects of shift instructions.
5841 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5843 * doc/contrib.texi: Add myself.
5845 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5848 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5849 was set by the user.
5851 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5854 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5855 (divsi_inv_m1): Use them.
5856 (UNSPEC_DIV_INV_TABLE): New constant.
5858 2006-09-06 James E Wilson <wilson@specifix.com>
5861 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5862 then call count_or_remove_death_notes.
5864 2006-09-06 Jason Merrill <jason@redhat.com>
5867 * tree-inline.c (copy_result_decl_to_var): New fn.
5868 (declare_return_variable): Use it. Call declare_inline_vars here.
5869 (expand_call_inline): Not here.
5871 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5873 * doc/contrib.texi: Update my entry.
5875 2006-09-06 Nick Clifton <nickc@redhat.com>
5877 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5879 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5882 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5883 (canonicalize_induction_variables): Likewise.
5884 (tree_unroll_loops_completely): Likewise.
5885 (tree_ssa_prefetch_arrays): Likewise.
5886 (remove_empty_loops): Likewise.
5887 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5888 TODO_cleanup_cfg instead of directly calling
5889 cleanup_tree_cfg_loop.
5890 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5892 (tree_unroll_loops_completely): Likewise.
5893 (remove_empty_loops): Likewise.
5894 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5895 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5896 of tree_ssa_unswitch_loops.
5897 (tree_ssa_loop_ivcanon): Use the return value of
5898 canonicalize_induction_variables.
5899 (tree_ssa_empty_loop): Use the return value of
5901 (tree_complete_unroll): Use the return value of
5902 tree_unroll_loops_completely.
5903 (tree_ssa_loop_prefetch): Use the return value of
5904 tree_ssa_prefetch_arrays.
5905 * passes.c (execute_todo): Before Cleanup CFG, set
5906 updating_used_alone and after cleanup CFG, call
5907 recalculate_used_alone.
5909 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5912 * tree-vect-transform.c (vectorizable_condition): Move the check
5913 for the type after the check for simple condition.
5915 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5916 Kaz Kojima <kkojima@gcc.gnu.org>
5919 * mode-switching.c (optimize_mode_switching): Make the destination
5920 block of an abnormal edge have no anticipatable mode. Don't
5921 insert mode switching code at the end of the source block of
5924 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5926 PR rtl-optimization/26847
5927 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5928 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5929 (simplify_plus_minus): Count n_constants while filling ops. Replace
5930 qsort with insertion sort. Before going through the array to simplify
5931 pairs, sort it. Delay early exit until after the first sort, exiting
5932 only if no swaps occurred. Simplify pairs in reversed order, without
5933 special-casing the first iteration. Pack ops after simplifying pairs.
5935 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5937 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5938 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5939 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5940 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5942 2006-09-05 Richard Guenther <rguenther@suse.de>
5944 PR tree-optimization/28900
5945 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5946 compound conditional before creating COND_EXPR condition.
5948 2006-09-05 Richard Guenther <rguenther@suse.de>
5950 PR tree-optimization/28905
5951 * tree-vrp.c (fix_equivalence_set): Manually implement
5952 !value_ranges_intersect_p to also handle symbolic ranges.
5954 2006-09-05 Richard Guenther <rguenther@suse.de>
5957 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5960 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5962 PR rtl-optimization/27616
5963 * cse.c (table_size): New static variable.
5964 (new_basic_block): Initialize it to 0.
5965 (remove_from_table): Decrement it.
5966 (insert): Increment it.
5967 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5968 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5969 fold_rtx_mem_1 if under the cap.
5970 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5971 the lookup of the equivalent expression and test for equality of the
5972 first operand of the equivalent expression before in turn looking up
5973 an equivalent constant for the second operand.
5975 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5978 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5979 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5980 pointer, instead of assuming it is possible to derive the
5981 correct args size from a call insn.
5983 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5986 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5987 (fold_builtin_mempcpy): Rename to...
5988 (fold_builtin_memory_op): ... this. Optimize one element copy
5990 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5992 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5993 (expand_builtin_memcpy, expand_builtin_mempcpy,
5994 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5995 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5996 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5997 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5999 2006-09-01 DJ Delorie <dj@redhat.com>
6001 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
6002 (stzx_16): Likewise.
6003 ("stzx_24_<mode>"): Likewise.
6004 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
6005 ("cmp<mode>_op"): New.
6006 (cmp<mode>): Change to expander; just save operands.
6008 (b<code>): Change to expander, emit compare here.
6009 (s<code>_op): Change to use split and expander.
6010 (s<code>_24_op): Likewise.
6011 (s<code>_<mode>): New.
6012 (s<code>_<mode>_24): New.
6013 (movqicc_<code>_<mode): New.
6014 (movhicc_<code>_<mode>): New.
6017 * config/m32c/m32c.c (compare_op0, compare_op1): New.
6018 (m32c_pend_compare): New.
6019 (m32c_unpend_compare): New.
6020 (m32c_expand_scc): New.
6021 (m32c_expand_movcc): Emit the compare also.
6022 * config/m32c/predicates.md (mra_nopp_operand): New.
6024 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
6025 Richard Guenther <rguenther@suse.de>
6026 Adam Nemet <anemet@caviumnetworks.com>
6029 * builtins.c (get_pointer_alignment): Handle more forms
6030 of base addresses that can be used to derive more precise
6031 information about alignment.
6033 2006-09-01 Jason Merrill <jason@redhat.com>
6036 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
6039 * gimplify.c (voidify_wrapper_expr): Handle null type.
6041 2006-09-01 Josh Conner <jconner@apple.com>
6044 * tree-nrv.c (dest_safe_for_nrv_p): New function.
6045 (execute_return_slot_opt): Use it.
6047 2006-08-31 Josh Conner <jconner@apple.com>
6050 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
6051 returning aggregates.
6053 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
6055 PR tree-optimization/28839
6056 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
6057 blocks in that phi arguments appear.
6059 2006-08-31 Roger Sayle <roger@eyesopen.com>
6062 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
6063 NULL, otherwise use an advance_loc4 to adjust relative to the
6065 (output_cfi) <DW_CFA_set_loc>: Update the current label.
6066 (dwarf2out_switch_text_section): Reset the current label to avoid
6067 using advance_loc4 over section boundaries.
6069 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
6072 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
6073 r12 + SYMBOLIC_CONST.
6075 2006-08-30 Richard Guenther <rguenther@suse.de>
6077 * Makefile.in (see.o): Add $(EXPR_H) dependency.
6079 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
6081 PR rtl-optimization/27735
6082 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
6083 Add new argument to keep track of whether an irreducible region
6084 was affected. All callers changed.
6085 (fix_irreducible_loops): Removed.
6086 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
6087 flags were invalidated.
6089 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
6091 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
6092 instead of SF operands.
6093 (*fop_df_comm_sse): Likewise.
6094 (*fop_df_comm_i387): Likewise.
6095 (*fop_df_1_mixed): Likewise.
6096 (*fop_df_1_sse): Likewise.
6098 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6099 J"orn Rennecke <joern.rennecke@st.com>
6101 PR tree-optimization/17506
6102 * tree-ssa.c (warn_uninit): If warning about a location outside of
6103 the current function, note where the variable was declared.
6105 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
6107 PR tree-optimization/28411
6108 * double-int.c (double_int_div): Use double_int_divmod.
6109 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
6110 double_int_mod, double_int_smod, double_int_umod): New functions.
6111 * double-int.h (double_int_divmod, double_int_sdivmod,
6112 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
6114 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
6116 (get_computation_aff, get_computation_cost_at): Handle double_int
6117 return type of constant_multiple_of.
6119 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
6122 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
6123 an implicit conversion.
6125 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
6127 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
6129 2006-08-27 Roger Sayle <roger@eyesopen.com>
6131 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
6134 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
6136 * config/i386/crtfastmath.c: Fix a comment typo.
6138 2006-08-26 Roger Sayle <roger@eyesopen.com>
6140 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
6141 temporary visit flags on CASE_LABEL_EXPRs.
6142 * c-common.c (match_case_to_enum): Add function comment. Avoid
6143 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
6144 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
6145 CASE_HIGH_SEEN for enumerated types. If the switch expression is
6146 a constant, only warn if that constant value isn't handled.
6148 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
6151 * input.h (restore_input_file_stack): Declare.
6152 (INPUT_FILE_STACK_BITS): Define.
6153 * toplev.c (fs_p, input_file_stack_history,
6154 input_file_stack_restored, restore_input_file_stack): New.
6155 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
6156 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
6157 (pop_srcloc): Don't free old state of stack.
6159 2006-08-26 David Edelsohn <edelsohn@gnu.org>
6162 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
6163 (PowerPC Type Attributes): New.
6165 2006-08-26 Bob Wilson <bob.wilson@acm.org>
6167 * config/xtensa/xtensa.c (function_arg_boundary): New.
6168 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
6170 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
6171 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
6173 2006-08-26 Jakub Jelinek <jakub@redhat.com>
6176 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
6179 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6181 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
6182 (verify_local_live_at_start): Likewise.
6184 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6187 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
6188 omp_add_variable): Treat sizes as variable whenever not
6191 2006-08-26 Richard Guenther <rguenther@suse.de>
6194 * fold-const.c (fold_binary): Fold temporary to correct
6195 type before constructing new comparison.
6197 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6200 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6201 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6203 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6206 * c-decl.c (start_function): Don't try to process prototype
6207 information from old declaration that isn't a function.
6209 2006-08-25 Jan Hubicka <jh@suse.cz>
6212 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6214 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6217 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6220 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6222 PR tree-optimization/16876
6223 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6224 exit if PARM doesn't match VALUE.
6226 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6228 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6229 literal_prefix directive.
6230 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6231 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6232 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6234 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6237 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6238 predicate to general_operand. Add 0->y and I->r alternatives.
6240 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6242 * doc/tm.texi: Fix a typo.
6243 * predict.c: Fix comment typos.
6245 2006-08-25 Nick Clifton <nickc@redhat.com>
6247 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6248 assertions of "cpu" and "machine".
6250 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6253 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6254 the access through a base which has an alias set of 0 cannot
6257 2006-08-24 Bill Wendling <wendling@apple.com>
6259 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6261 2006-08-24 Jan Hubicka <jh@suse.cz>
6263 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6265 2006-08-24 Jan Hubicka <jh@suse.cz>
6268 * cgraph.c: Fix comments.
6269 (cgraph_varpool_mark_needed_node): Mark only variables not already
6271 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6272 (cgraph_varpool_assembled_nodes_queue): New static variable.
6273 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6274 (cgraph_varpool_output_debug_info): New function.
6275 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6276 * Makefile.in: Add gt-cgraphunit.h
6278 2006-08-24 Jan Hubicka <jh@suse.cz>
6280 * predict.c (probability_reliable_p): New predicate.
6281 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6282 (predict_loops): Do not predict loop exit with less than 2%
6284 * basic-block.h (edge_probability_reliable_p,
6285 br_prob_note_reliable_p): Declare.
6286 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6287 prediction when static predictor is not reliable.
6288 * rs6000.c (output_cbranch): Likewise.
6290 2006-08-23 Stuart Hastings <stuart@apple.com>
6293 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6294 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6296 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6299 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6300 complex values, nor for generic vector values.
6302 2006-08-22 Richard Guenther <rguenther@suse.de>
6305 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6306 parameter. Convert arguments to arithmetic expression to the
6308 (analyze_scalar_evolution_1): Adjust caller.
6310 2006-08-22 Jan Hubicka <jh@suse.cz>
6312 Patch by Paolo Bonzini
6313 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6316 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6318 PR tree-optimization/28003
6319 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6320 before grouping aliases.
6322 2006-08-22 Roger Sayle <roger@eyesopen.com>
6324 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6325 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6327 2006-08-21 Jason Merrill <jason@redhat.com>
6330 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6331 wrapper. Loop to handle nested wrappers.
6332 (gimplify_bind_expr): Remove temp parameter.
6333 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6334 and STATEMENT_LIST on the rhs.
6335 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6336 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6337 (gimplify_target_expr): Remove special BIND_EXPR handling.
6339 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6341 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6344 2006-08-21 Olivier Hainque <hainque@adacore.com>
6346 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6347 Arrange for the temporary captures of components overlapping the lhs
6348 to happen before the lhs is possibly cleared.
6350 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6352 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6353 necessary places to pass the correct "number of registers" values
6356 2006-08-20 Jan Hubicka <jh@suse.cz>
6358 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6359 (create_name_tags): Instead of quadratic checking use hashtable.
6360 * bitmap.h: Include hashtab.h.
6361 (bitmap_hash): Declare.
6362 * bitmap.c (bitmap_hash): New function.
6364 2006-08-20 Jan Hubicka <jh@suse.cz>
6366 PR rtl-optimization/28071
6367 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6369 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6370 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6371 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6372 cgraph_decide_inlining_incrementally): Update use of
6373 cgraph_check_inline_limits.
6374 * cgraph.c (edge_hash, edge_eq): New function.
6375 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6376 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6377 cgraph_remove_node): Maintain call site hash.
6378 * cgraph.h (struct cgraph_node): Add call_site_hash.
6379 (cgraph_set_call_stmt): New function.
6381 2006-08-20 Jan Hubicka <jh@suse.cz>
6383 PR rtl-optimization/28071
6384 * reload1.c (reg_has_output_reload): Turn into regset.
6385 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6386 choose_reload_regs, emit_reload_insns): Update to new
6387 reg_has_output_reload.
6389 2006-08-20 Jan Hubicka <jh@suse.cz>
6392 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6393 function body sizes.
6394 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6396 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6399 * tree.c (handle_dll_attribute): Return early if not a
6400 var or function decl.
6402 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6405 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6406 alignment of SPE vector types.
6408 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6410 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6412 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6415 * cgraph.h (struct cgraph_node): Remove externally_visible
6417 * cgraphunit.c (process_function_and_variable_attributes): Set
6418 local.externally_visible rather than externally_visible.
6421 * c-common.c (handle_externally_visible_attribute): First look
6422 at TREE_CODE and only if it is function or var decl, check for
6423 non-public objects. Don't warn for DECL_EXTERNAL.
6424 * cgraphunit.c (process_function_and_variable_attributes): Warn
6425 if externally_visible attribute is used on non-public object.
6427 2006-08-17 Jan Hubicka <jh@suse.cz>
6429 PR tree-optimization/27865
6430 * reload1.c (forget_marked_reloads): New function.
6431 (forget_old_reloads_1): When data are passed, just mark the registers
6433 (reload_as_needed): Use the new mechanizm.
6435 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6438 * reload.h (reg_equiv_alt_mem_list): New declaration.
6439 * reload1.c (reg_equiv_alt_mem_list): New definition.
6440 (reload): Initialize it and release it.
6441 (delete_output_reload): Use it.
6442 * reload.c (push_reg_equiv_alt_mem): New function.
6443 (find_reloads_toplev): Call it.
6444 (find_reloads_address, find_reloads_address_1): Likewise.
6445 (find_reloads_subreg_address): Likewise.
6447 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6449 PR rtl-optimization/28489
6450 * sched-ebb.c (begin_schedule_ready): Create basic block
6452 (advance_target_bb): Skip empty blocks.
6453 * haifa-sched.c (bb_note): Make global.
6454 * sched-int.h (bb_note): Add prototype.
6456 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6458 PR tree-optimization/27865
6459 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6461 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6462 fold_used_pointer, pointer_used_p): New functions.
6463 (analyze_scalar_evolution_1): Use fold_used_pointer.
6464 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6465 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6468 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6471 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6472 or the INTEGER_CST. Fail on a CALL_EXPR.
6473 (fold_offsetof): Pass new argument to fold_offsetof_1.
6474 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6475 operand into an INDIRECT_REF.
6476 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6478 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6480 PR gcov/profile/26570
6481 * value-prof.c (static_values): Removed.
6482 (tree_find_values_to_profile): Do not set static_values.
6483 (find_values_to_profile): Do not free static_values.
6484 * profile.c (instrument_values): Do not free the values.
6485 (branch_prob): Free the values.
6487 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6489 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6491 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6494 * c-typeck.c (build_component_ref): Combine qualifiers of
6495 structure or union and field.
6497 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6499 PR rtl-optimization/28071
6500 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6501 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6502 * tree-into-ssa.c (struct dom_dfsnum): New.
6503 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6505 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6506 compute_global_livein.
6507 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6508 in phi nodes in the correct blocks.
6510 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6512 PR tree-optimization/28364
6513 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6515 (fold_affine_expr): New function.
6516 (may_eliminate_iv): Use fold_affine_expr.
6518 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6521 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6524 2006-08-16 Mike Stump <mrs@apple.com>
6526 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6527 * doc/cppopts.texi (-MD): Likewise.
6529 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6532 * c-common.c (handle_weak_attribute): Ignore and warn if
6533 not a FUNCTION_ or VAR_DECL.
6535 2006-07-15 Mike Stump <mrs@apple.com>
6538 * c-parser.c (c_parser_typeof_specifier): Don't use
6539 c_finish_expr_stmt, open code desired semantics instead.
6541 2006-08-15 Nick Clifton <nickc@redhat.com>
6543 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6544 fragment to tmake_file only if threads are enabled.
6545 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6546 * config/i386/t-gthr-win32: New file. ... here.
6548 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6551 * c-parser.c (c_parser_compound_statement_nostart): Reset
6552 parser->error after each statement.
6554 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6557 * omp-low.c (lower_omp_parallel): Convert t to
6558 receiver_decl's type.
6559 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6560 source before comparison.
6563 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6564 to itype in assignment to oldival2.
6566 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6570 * c-typeck.c (build_compound_expr): If the second expression
6571 is an error mark, then just return an error mark instead of
6572 creating a COMPOUND_EXPR.
6574 2006-07-14 Mike Stump <mrs@apple.com>
6576 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6578 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6580 * c-decl.c, var-tracking.c: Fix comment typos.
6582 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6584 PR rtl-optimization/28634
6585 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6586 for floating-point modes unless flag_unsafe_math_optimizations.
6588 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6589 Andrew Pinski <pinskia@physics.uc.edu>
6592 * tree.c (build_array_type): Unify array types with
6593 unspecified index_type.
6594 * c-decl.c (grokdeclarator): Make sure we do not modify a
6595 unified incomplete array type.
6596 * c-typeck.c (store_init_value): Create distinct type before
6597 filling in the index type in an initializer from a compound
6600 * c-decl.c (grokdeclarator): Remove code where we copy the
6603 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6605 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6606 into account for TODO_dump_cgraph.
6607 (TODO_update_ssa_no_phi): Likewise.
6608 (TODO_update_ssa_full_phi): Likewise.
6609 (TODO_update_ssa_only_virtuals): Likewise.
6610 (TODO_remove_unused_locals): Likewise.
6611 (TODO_set_props): Likewise.
6612 (TODO_update_stmt_usage): Likewise.
6614 2006-08-13 Dirk Mueller <dmueller@suse.de>
6616 * c-common.c (strict_aliasing_warning): Fix formatting.
6618 2006-08-13 Matthias Klose <doko@debian.org>
6620 * doc/invoke.texi: Fix spelling errors.
6622 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6624 PR rtl-optimization/23454
6625 * reorg.c (relax_delay_slots): Update comment.
6627 2006-08-11 Richard Guenther <rguenther@suse.de>
6630 * simplify-rtx.c (simplify_const_relational_operation):
6631 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6634 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6636 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6637 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6639 2006-08-10 Paul Brook <paul@codesourcery.com>
6641 * final.c (final_scan_insn): Clear current_insn_predicate before
6642 outputting inline asm.
6644 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6646 PR tree-optimization/26197
6647 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6648 get_ref_base_and_extent and overlap_subvar to add only relevant
6649 subvars as may-aliases.
6650 (add_may_alias_for_new_tag): New function, factored out of
6652 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6653 with additional argument.
6654 * tree-flow.h (new_type_alias): Takes additional argument.
6656 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6658 * gcov.c (no_data_file): New flag.
6659 (read_count_file): Set it if data file not present. Assume counts
6661 (output_lines): Don't name the data file, if there wasn't one.
6663 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6665 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6666 (rs6000_generate_compare): Tweak comments.
6667 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6669 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6671 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6672 (var_debug_decl): New function.
6673 (var_reg_set): Follow debug decl link. Add location even if
6674 reg is already known to hold some other variable.
6675 (var_mem_set): Follow debug decl link.
6676 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6677 decl link. Delete other known locations of the variable part
6679 (var_reg_delete, var_mem_delete): Delete other known locations
6680 of the variable part if requested.
6681 (same_variable_part_p): New function.
6682 (add_stores): Select MO_COPY when appropriate.
6683 (vt_initialize): Handle it.
6684 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6685 known locations for MO_SET and MO_CLOBBER.
6686 (find_variable_location_part): New function.
6687 (set_variable_part, delete_variable_part): Use it.
6688 (clobber_variable_part): New function.
6689 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6692 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6694 PR tree-optimization/26969
6695 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6696 with an empty list of PHIs.
6698 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6702 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6705 2006-08-06 Andreas Schwab <schwab@suse.de>
6707 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6708 string. Whitespace and comment fixup.
6710 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6713 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6717 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6720 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6722 2006-08-04 Jan Hubicka <jh@suse.cz>
6726 * reload.c (push_reload): Patch out the mismatching instruction;
6728 (find_reload): Bail out if the instruction was patched out.
6730 2006-08-04 Jan Hubicka <jh@suse.cz>
6732 PR tree-optimization/24888
6733 * tree-inline.c (expand_call_inline): Do not re-record variables.
6734 (declare_inline_vars): Add variable to unexpanded_var_list.
6736 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6737 Roger Sayle <roger@eyesopen.com>
6739 PR rtl-optimization/26244
6740 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6741 inner_const are negative or greater than or equal to the bitsize of
6742 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6743 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6744 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6745 CONST0_RTX (mode) when the new shift count is greater than or equal to
6746 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6749 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6751 * tree-cfg.c: Fix a comment typo.
6753 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6756 * varasm.c (output_constant): Give the front end another chance to
6757 expand constants, after stripping NOPs.
6759 2006-08-03 Jan Hubicka <jh@suse.cz>
6761 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6764 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6766 PR tree-optimization/27770
6767 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6768 declaration removed (moved to tree-flow.h).
6769 (vect_can_force_dr_alignment_p): Likewise.
6770 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6771 (moved from tree-vectorizer.h).
6772 (vect_can_force_dr_alignment_p): Likewise.
6773 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6774 from outside the vectorizer - in particular from cgraph stage.
6775 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6776 the alignment of global arrays when -fsection-anchors is enabled.
6777 * cgraphunit.c (cgraph_increase_alignment): New function.
6778 (cgraph_optimize): Call cgraph_increase_alignment.
6780 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6783 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6784 not reload a SPE symbol_ref into a lo_sum address.
6786 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6789 * dwarf2out.c (prune_unused_types_prune): Move call to
6790 prune_unused_types_update_strings to cover the parent DIE also.
6792 2006-08-02 Jan Hubicka <jh@suse.cz>
6794 PR gcov/profile/28480
6795 * tree-cfg.c (change_bb_for_stmt): New function.
6796 (tree_merge_blocks, tree_split_blocks): Use it.
6798 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6804 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6805 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6806 (cgraph_optimize): Likewise.
6808 2006-08-01 Stuart Hastings <stuart@apple.com>
6810 * rtl.h (UINTVAL) New.
6811 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6812 * testsuite/gcc.dg/20060801-1.c: New.
6814 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6817 * c-typeck.c (build_external_type): Mark used enum types.
6818 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6820 (gen_subprogram_die): Whitespace fix.
6822 2006-08-01 Jan Hubicka <jh@suse.cz>
6824 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6825 bitmap when not needed.
6826 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6829 2006-08-01 Dirk Mueller <dmueller@suse.de>
6831 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6833 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6835 * Makefile.in: Revert part of previous patch:
6836 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6839 2006-07-30 Eric Christopher <echristo@apple.com>
6842 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6843 (PowerPC Variable Attributes): New section.
6845 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6847 PR target/28126 (partial fix)
6848 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6850 2006-07-28 Jan Hubicka <jh@suse.cz>
6852 PR rtl-optimization/28071
6853 * cfgrtl.c (rtl_delete_block): Free regsets.
6854 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6856 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6858 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6859 and variables used in dependencies.
6861 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6863 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6864 %fs for -mcmodel=kernel.
6865 (stack_tls_protect_test_di): Likewise.
6867 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6869 * Makefile.in: Use mkinstalldirs.
6871 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6874 * opts-common.c (prune_options): Skip joined switches.
6876 2006-07-27 Jan Hubicka <jh@suse.cz>
6878 PR rtl-optimization/28071
6879 * cselib.c (cselib_process_insn): Don't remove useless values too
6880 often for very large hashtables.
6882 2006-07-27 Jan Hubicka <jh@suse.cz>
6884 PR rtl-optimization/28071
6885 * global.c (greg_obstack): New obstack.
6886 (allocate_bb_info): Use it.
6887 (free_bb_info): Likewise.
6888 (modify_reg_pav): Likewise.
6890 2006-07-27 Roger Sayle <roger@eyesopen.com>
6892 * builtins.c (fold_fixed_mathfn): When long and long long are the
6893 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6894 functions to their lceil*, lfloor*, lround* and lrint* forms.
6896 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6899 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6901 (rev_branch_insn): Likewise.
6903 2006-07-27 Jan Hubicka <jh@suse.cz>
6905 PR rtl-optimization/28071
6906 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6907 (reg_set_in_bb, max_reg_computed): New static variables.
6908 (regmove_optimize): Free the new array.
6909 (fixup_match_1): Update call of reg_is_remote_constant_p.
6911 2006-07-26 Jan Hubicka <jh@suse.cz>
6913 PR tree-optimization/27882
6914 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6916 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6918 (cgraph_analyze_compilation_unit): Likewise.
6919 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6920 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6921 (cgraph_early_inlinine): Make order garbage collected.
6922 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6924 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6926 * dbxout.c (output_types_sort): Add a comment.
6927 (output_used_types): Free the VEC.
6929 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6931 * function.c (reorder_fix_fragments): Delete.
6932 (reorder_blocks): Don't call it.
6933 (reorder_blocks_1): Put all subblocks under the origin block.
6935 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6937 PR rtl-optimization/27907
6938 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6941 2006-07-25 Roger Sayle <roger@eyesopen.com>
6944 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6945 bar(x) check that bar's result type can represent all the values of T.
6947 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6949 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6951 2006-07-25 Nick Clifton <nickc@redhat.com>
6953 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6954 size_lookup[] array.
6955 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6956 (ggc_pch_count_object): Likewise.
6957 (ggc_pch_alloc_object): Likewise.
6958 (ggc_pch_write_object): Likewise.
6959 (init_ggc): Do not attempt to initialize entries in the
6960 size_lookup[] array for objects whose size is greater than than
6961 the length of the array.
6963 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6965 * dbxout.c (output_used_types_helper): Push queued types
6967 (output_types_sort): New.
6968 (output_used_types): Collect used types on a VEC and sort them
6971 2006-07-24 Richard Guenther <rguenther@suse.de>
6974 * cgraph.c (cgraph_remove_node): Do not check if dumps
6976 * cgraphunit.c (cgraph_optimize): Likewise.
6978 2006-07-24 Jan Hubicka <jh@suse.cz>
6980 PR rtl-optimization/28071
6981 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6982 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6983 splitting before first stmt.
6985 2006-07-24 Jan Hubicka <jh@suse.cz>
6987 PR rtl-optimization/28071
6988 * ipa-inline.c (update_caller_keys): Remove edges that
6989 are no longer inline candidates.
6991 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6994 * dbxout.c (output_used_types_helper, output_used_types): New.
6995 (dbxout_symbol): Call output_used_types.
6997 2006-07-23 Jan Hubicka <jh@suse.cz>
7001 * cgraph.c (cgraph_varpool_nodes): Export.
7002 (decide_is_variable_needed): Ignored "used" attribute in
7003 unit-at-a-time mode.
7004 * cgraph.h (cgraph_varpool_nodes): Declare.
7005 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
7006 unit-at-a-time mode.
7008 2006-07-23 Roger Sayle <roger@eyesopen.com>
7011 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
7012 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
7013 the __gthrw form of thr_keycreate.
7014 (__gthread_key_delete): Silence the unused argument warning.
7016 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
7019 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
7020 Cache the last found '\0' marker to avoid quadratic behavior.
7022 2006-07-23 Jan Hubicka <jh@suse.cz>
7024 * i386.md (subsi_3_zext): Fix output template.
7026 2006-07-21 Mike Stump <mrs@apple.com>
7028 * doc/invoke.texi (C++ Dialect Options): Note that
7029 -fvisibility-inlines-hidden doesn't affect explicitly
7030 instantiationed inline methods.
7032 2006-07-20 Roger Sayle <roger@eyesopen.com>
7034 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
7035 if the target assembler is GNU binutils' gas.
7036 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
7037 whether to pass GNU gas or native as command line options.
7039 2006-07-20 Jason Merrill <jason@redhat.com>
7041 * tree.c (remove_attribute): New fn.
7042 * tree.h: Declare it.
7044 2006-07-20 Paul Brook <paul@codesourcery.com>
7047 * cse.c (cse_insn): Add destination addresses to hash table. Check if
7048 they are invalidated by this instruction.
7050 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
7053 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
7055 2006-07-20 Eric Christopher <echristo@apple.com>
7058 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
7060 2006-07-19 Eric Christopher <echristo@apple.com>
7062 * config/t-slibgcc-darwin (stmp-lipo): Remove.
7063 Rewrite dependencies for libgcc_s.1.dylib.
7065 2006-07-19 Jakub Jelinek <jakub@redhat.com>
7067 * except.c (duplicate_eh_regions_1): Clear next_peer.
7069 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
7071 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
7072 -mlongcall does not guarantee all calls will be long.
7073 * doc/extend.texi (long_call/short_call): Document that longcall
7074 does not guarantee a long call will be used.
7075 (longcall/shortcall): Likewise.
7077 2006-07-18 Roger Sayle <roger@eyesopen.com>
7080 * expmed.c (expand_shift): Additionally check that the shift_cost
7081 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
7082 before implementing a LSHIFT_EXPR as a sequence of additions.
7083 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
7084 middle-end that DImode shifts need to be synthesized by expand.
7086 2006-07-18 Diego Novillo <dnovillo@redhat.com>
7089 * tree-ssa-operands.c (access_can_touch_variable): Update
7091 Return true if ALIAS is .GLOBAL_VAR.
7093 2006-07-18 David Daney <ddaney@avtrex.com>
7095 * gcc.c (display_help): Fix typo in help text.
7097 2006-07-18 Olivier Hainque <hainque@adacore.com>
7099 * tree.h (categorize_ctor_elements): Adjust prototype and add
7100 descriptive comment, both in accordance with the interface change
7102 * varasm.c (constructor_static_from_elts_p): New function.
7103 Whether a constructor node is a valid static constant initializer
7104 if all its elements are.
7105 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
7106 * output.h: Declare it.
7107 * expr.c (categorize_ctor_elements_1): Return whether the constructor
7108 is a valid constant initializer instead of computing the number of
7109 non-constant elements. Use constructor_static_from_elts_p for this
7110 purpose. Replace the head comment with an indication that this is a
7111 helper for categorize_ctor_elements.
7112 (categorize_ctor_elements): Same interface change as for the _1
7113 helper. Former head comment from this helper moved here, adjusted to
7114 account for the interface changes.
7115 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
7116 (all_zeros_p): Likewise.
7117 * gimplify.c (gimplify_init_constructor): Decide whether we can make
7118 static versions of the constructor from the categorize_ctor_elements
7119 return value instead of the formerly computed number of non-constant
7122 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
7124 * configure: Regenerate.
7125 * Makefile.in (build_libsubdir): New configure substitution
7126 (build_libobjdir): New variable.
7127 (BUILD_LIBIBERTY): Use it.
7129 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7132 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
7134 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
7137 * c-common.c (handle_weakref_attribute): Ignore attribute in
7138 the same conditions the alias attribute is ignored.
7140 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
7142 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
7143 (dbxout_begin_prologue): Increment scope_labelno.
7145 2006-07-17 Richard Henderson <rth@redhat.com>
7148 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
7151 2006-07-17 Roger Sayle <roger@eyesopen.com>
7152 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7154 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
7155 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
7156 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
7157 functions such as sbrk, write, etc.. Add function prototypes.
7158 Convert function declarations from K&R to ISO C. Cast pointers
7159 to "long" and "unsigned long" instead of "int" and "unsigned int".
7160 Convert tokens following #endif into comments.
7162 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
7164 * invoke.texi: Remove mention of f77; Reformat table for
7165 inline parameter options correctly; mention that -malign-double
7166 is default on x86-64 targets.
7168 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
7170 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
7171 (convert_affine_scev, chrec_convert_aggressive): Use
7172 avoid_arithmetics_in_type_p. Do not check for the subtypes
7175 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7178 * optabs.c (expand_doubleword_shift): Wrap the call to
7179 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
7181 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7184 * optabs.c (expand_binop): Pass next_methods rather than methods
7185 to expand_doubleword_shift.
7187 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
7190 * tree.h (dump_addr): Declare.
7191 * print-tree.c (dump_addr): New function.
7192 (print_node_brief, print_node): Use it.
7193 * print-rtl.c (print_rtx): Likewise.
7194 * common.opt (-fdump-noaddr): New option.
7195 * doc/invoke.texi (-fdump-noaddr): Document.
7196 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7197 (ve_info_hash): Likewise.
7199 2006-07-13 Andrew Haley <aph@redhat.com>
7201 PR tree-optimization/19505
7202 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7203 edge leaving this block, make sure that the destination of this
7204 block has only one predecessor.
7206 2006-07-17 Richard Guenther <rguenther@suse.de>
7208 PR tree-optimization/28238
7209 * tree-inline.c (copy_bb): Check if we produced valid
7210 gimple copying and substituting a stmt. If not, gimplify
7213 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7215 * optabs.c (maybe_encapsulate_block): New function extracted from...
7216 (emit_libcall_block): ...here. Invoke it on the block of insns to
7217 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7218 (emit_no_conflict_block): Likewise.
7220 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7222 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7224 2006-07-15 Roger Sayle <roger@eyesopen.com>
7226 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7227 a new NOP_EXPR case of the switch statement.
7229 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7232 * stor-layout.c (place_field): Take the bit field with
7233 an excessive size into account in the ms-bitfiled case.
7236 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7237 the previous bit field.
7239 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7242 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7244 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7246 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7247 signal frames correctly even when the signal was installed with
7250 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7252 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7253 (dbxout_function_end): Use local label LFBB. Remove hook
7255 (dbxout_source_line): Use local label LFBB.
7256 (dbxout_block): Likewise.
7257 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7258 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7259 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7260 and DBX_OUTPUT_NFUN.
7262 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7264 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7266 2006-07-13 Jan Hubicka <jh@suse.cz>
7268 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7270 * output.h (align_variable): Declare.
7271 * varasm.c (align_variable): Export.
7272 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7273 when basic block changed.
7275 2006-07-13 Nick Clifton <nickc@redhat.com>
7277 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7278 walking the LOG_LINKS chain.
7280 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7282 * doc/invoke.texi (C++ Dialect Options): Explain difference
7283 between -fvisibility-inlines-hidden and setting hidden
7284 visibility explicitly.
7286 2006-07-12 Eric Christopher <echristo@apple.com>
7288 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7289 (stmp-lipo): Depend on libgcc.a.
7291 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7293 * tree.c: Fix a comment typo.
7295 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7297 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7299 (umulhisi3_r): Likewise.
7301 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7304 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7305 x < 19, vs wchar_t support.
7307 2006-07-12 Nick Clifton <nickc@redhat.com>
7309 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7310 instead of -isa=sh4.
7312 2006-07-12 Mike Stump <mrs@apple.com>
7314 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7316 2006-07-10 Eric Christopher <echristo@apple.com>
7318 * config/t-slibgcc-darwin: Rewrite.
7320 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7323 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7326 2006-07-08 Matthias Klose <doko@debian.org>
7328 * doc/sourcebuild.texi: Fix typo.
7330 2006-07-07 Mike Stump <mrs@apple.com>
7332 * toplev.c (process_options): Don't give -ffunction-sections may
7333 affect debugging warning for Mach-O.
7335 2006-07-07 James E Wilson <wilson@specifix.com>
7337 * config/mips/mips.md (cpu): Add sb1a.
7338 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7339 addition to sb1. Adjust comments to clarify SB-1A differences from
7341 (ir_sb1a_load): New. Modify bypasses to use it.
7342 (ir_sb1a_simple_alu): Likewise.
7343 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7344 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7345 (mips_issue_rate): Add PROCESSOR_SB1A.
7346 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7347 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7348 (TARGET_SB1): Add PROCESSOR_SB1A check.
7349 (TUNE_SB1): Likewise.
7351 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7352 * config/mips/mips.c (mips_store_data_bypass_p): New.
7353 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7354 store_data_bypass_p.
7356 2006-07-08 Paul Brook <paul@codesourcery.com>
7359 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7361 2006-07-07 Richard Guenther <rguenther@suse.de>
7364 * tree.h (build_one_cst): Declare.
7365 * tree.c (build_one_cst): New function.
7366 * tree-ssa-math-opts.c (get_constant_one): Remove.
7367 (insert_reciprocals): Use build_one_cst.
7368 * fold-const.c (fold_plusminus_mult): Likewise.
7370 2006-07-07 Roger Sayle <roger@eyesopen.com>
7372 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7373 * cfgloopanal.c (dump_graph): Likewise.
7374 * dojump.c (discard_pending_stack_adjust): Likewise.
7375 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7377 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7378 * function.c (finalize_block_changes): Likewise.
7379 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7380 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7381 * rtl.c (dump_rtx_statistics): Likewise.
7382 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7384 * varray.c (dump_varray_statistics): Likewise.
7385 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7386 decode_decimal64, encode_decimal128, decode_decimal128,
7387 decimal_real_to_decimal): Likewise.
7389 2006-07-07 Richard Guenther <rguenther@suse.de>
7391 PR tree-optimization/28187
7392 * tree-vrp.c (vrp_operand_equal_p): New function.
7393 (vrp_bitmap_equal_p): Likewise.
7394 (update_value_range): Use them to compare old and new
7397 2006-07-06 Roger Sayle <roger@eyesopen.com>
7399 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7400 a default case to switch statement to silence compiler warnings.
7402 2006-07-06 Roger Sayle <roger@eyesopen.com>
7405 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7406 the configured assembler supports the x87's ffreep mnemonic.
7407 * configure: Regenerate.
7408 * config.in: Regenerate.
7410 * config/i386/i386.c (output_387_ffreep): New function.
7411 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7412 (output_387_reg_move): Likewise.
7414 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7416 Port to hosts whose 'sort' and 'tail' implementations
7417 treat operands with leading '+' as file names, as POSIX
7418 has required since 2001. However, make sure the code still
7419 works on pre-POSIX hosts.
7420 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7421 which says you should use "tail -c +N" rather than "tail +Nc".
7422 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7424 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7426 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7429 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7432 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7433 PRE_{INC,DEC} of TFmode.
7435 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7436 Alan Modra <amodra@bigpond.net.au>
7439 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7442 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7445 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7446 Remove duplicate gtu.
7448 2006-07-05 Jason Merrill <jason@redhat.com>
7452 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7453 * c-common.c (handle_packed_attribute): So don't copy it here.
7454 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7456 2006-07-05 Mike Stump <mrs@apple.com>
7458 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7460 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7463 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7465 2006-07-05 Richard Guenther <rguenther@suse.de>
7468 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7469 TARGET_SSE2 targets if using SSE math.
7470 (*absdf2_1): Likewise.
7472 2006-07-05 Richard Guenther <rguenther@suse.de>
7474 PR tree-optimization/28162
7475 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7476 make sure to convert the operands to the correct type.
7478 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7480 PR tree-optimization/28218
7482 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7483 to calculate and free the dominator information.
7485 2006-07-04 Peter O'Gorman <peter@pogma.com>
7487 * mklibgcc.in: chmod 644 before ranlib during install.
7489 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7490 J"orn Rennecke <joern.rennecke@st.com>
7492 * configure.ac (.eh_frame data check): Use diff -b.
7494 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7497 * Makefile.in (BUILD_RTL): Add build/vec.o.
7498 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7499 (build/genextract): Delete.
7500 (build/genautomata): Likewise.
7502 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7505 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7506 128-bit IBM long doubles for ABI_V4.
7508 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7510 * tree.c (range_in_array_bounds_p): New predicate.
7511 * tree.h (range_in_array_bounds_p): Declare it.
7512 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7513 return a less conservative answer.
7514 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7515 and flag 'is_group'.
7516 (IS_ELEMENT_FOR_GROUP): New macro.
7517 (FOR_EACH_ACTUAL_CHILD): Likewise.
7518 (next_child_for_group): New helper function.
7519 (can_completely_scalarize_p): Take into account groups.
7520 (sra_hash_tree): Handle RANGE_EXPR.
7521 (sra_elt_eq): Likewise.
7522 (lookup_element): Be prepared for handling groups.
7523 (is_valid_const_index): Delete.
7524 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7525 instead of is_valid_const_index.
7526 <ARRAY_RANGE_REF>: New case.
7527 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7528 is_valid_const_index.
7529 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7530 (scan_dump): Dump info for groups too.
7531 (decide_instantiation_1): Likewise.
7532 (decide_block_copy): Assert that the element is not a group.
7533 Propagate decision to groups.
7534 (generate_one_element_ref): Handle RANGE_EXPR.
7535 (mark_no_warning): Iterate over actual childs.
7536 (generate_copy_inout): Likewise.
7537 (generate_element_copy): Likewise.
7538 (generate_element_zero): Likewise.
7539 (generate_element_init_1): Likewise.
7540 (dump_sra_elt_name): Handle RANGE_EXPR.
7542 2006-07-03 Roger Sayle <roger@eyesopen.com>
7544 PR tree-optimization/26251
7545 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7546 (thread_block): When optimizing for size refuse to thread jumps
7547 that would require duplication of blocks other than redirection
7550 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7552 * configure.ac: Fix thinko in previous check-in.
7553 * configure: Regenerate.
7555 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7558 * configure.ac (for lang...): Simplify nesting of conditionals.
7559 Test subdir_requires for non-enabled languages. Move processing
7560 of lang_opt_files and lang_tree_fiels below that test.
7561 * configure: Regenerate.
7562 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7564 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7566 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7568 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7570 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7573 2006-06-29 Jason Merrill <jason@redhat.com>
7580 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7581 * c-common.c (c_determine_visibility): Handle it here.
7582 * c-decl.c (finish_decl): Call c_determine_visibility for
7584 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7586 * varasm.c (default_assemble_visibility): Likewise.
7587 * c-common.c (handle_visibility_attribute): Complain about trying
7588 to give visibility to an already defined class, or trying to change
7589 declared visibility. Always attach the attribute.
7594 * attribs.c (decl_attributes): Ignore type-in-place attributes
7595 once the type has been defined.
7597 2006-06-29 Roger Sayle <roger@eyesopen.com>
7600 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7601 to indicate the cpplib has issued an error message for us.
7603 2006-06-29 Asher Langton <langton2@llnl.gov>
7606 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7607 insert a label at the end of an function under Mach-O.
7609 2006-06-29 Eric Christopher <echristo@apple.com>
7610 Evan Cheng <evan.cheng@apple.com>
7612 * predicates.md (vector_all_ones_operand): New.
7613 (nonimmediate_or_sse_const_operand): Ditto.
7614 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7615 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7616 (standard_sse_mode_p): Ditto.
7617 (standard_sse_constant_p): Add case for -1 vector.
7618 (ix86_expand_vector_move): Try to use.
7619 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7620 Call standard_sse_constant_opcode.
7621 (*movv4sf_internal): Ditto.
7622 (*movv2df_internal): Ditto.
7624 2006-06-29 Roger Sayle <roger@eyesopen.com>
7626 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7627 of XEXP to extract the operands of a MATCH_CODE rtx.
7629 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7631 * tree.c (tree_size): Do not waste tail padding in
7632 struct tree_string and make the size be the same as
7633 build_string will generate.
7635 2006-06-28 Jason Merrill <jason@redhat.com>
7638 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7639 may_aliases already in the tag's annotations to the bitmap.
7641 2006-06-28 Roger Sayle <roger@eyesopen.com>
7643 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7645 2006-06-28 Roger Sayle <roger@eyesopen.com>
7647 * genpreds.c (generate_switch_p): New function.
7648 (add_mode_tests): Push the new mode test down inside an AND expr
7649 if this allows the switch-suitable MATCH_CODE to be near the root.
7650 (write_match_code_switch): New function to write a MATCH_CODE as
7652 (write_predicate_stmts): New function to write a predicate RTX
7653 expression as a sequence of statements.
7654 (write_one_predicate_function): Use write_predicate_stmts.
7655 (write_tm_constrs_h): Likewise.
7657 2006-06-26 Fred Fish <fnf@specifix.com>
7659 * config/mips/t-sb1: New file.
7660 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7663 2006-06-26 DJ Delorie <dj@redhat.com>
7665 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7667 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7668 Jayant Sonar <jayants@kpitcummins.com>
7669 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7671 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7672 (subsi3, subsi3_1, subsi3_2): New.
7673 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7674 * config/m32c/mov.md (SI mov peephole): New.
7675 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7676 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7678 2006-06-26 Olivier Hainque <hainque@adacore.com>
7680 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7681 a CALL_EXPR target function declaration.
7683 2006-06-26 Richard Guenther <rguenther@suse.de>
7685 * tree.c (build_string): Do not waste tail padding in
7688 2006-06-26 Richard Guenther <rguenther@suse.de>
7690 * ggc-page.c (init_ggc): Add missing element to size_lookup
7694 2006-06-23 Richard Guenther <rguenther@suse.de>
7696 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7697 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7698 alignment requests instead. Add verification code.
7699 Add struct tree_function_decl and struct tree_binfo size to
7700 extra_order_size_table. Add missing element to size_lookup
7703 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7706 * fold-const.c (const_binop): Be prepared for self returning zero.
7707 Simplify code handling complex values.
7709 2006-06-24 Olivier Hainque <hainque@adacore.com>
7711 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7712 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7715 2006-06-24 Olivier Hainque <hainque@adacore.com>
7717 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7718 ARRAY_REF, so have the callback called for the low bound expression.
7720 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7722 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7723 * c-typeck.c (c_common_type): Disallow operations on decimal float
7724 types and other float types.
7725 * convert.c (convert_to_real): Don't ignore conversions involving
7726 decimal float types.
7728 2006-06-23 Olivier Hainque <hainque@adacore.com>
7730 * tree.c (max_int_size_in_bytes): New function, inspired from
7731 code in function.c:assign_temp.
7732 * tree.h (max_int_size_in_bytes): Declare.
7733 * function.c (assign_temp): Use it.
7734 * gimplify.c (create_tmp_var): Relax the assertions on the type
7735 properties, not mandating constant size any more.
7736 (force_constant_size): New static function.
7737 (gimple_add_tmp_var): Use it, forcing variable size to a
7738 constant upper bound if it is not constant on entry.
7740 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7743 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7744 for initialization and setting of one_only flag to ...
7745 (i386_pe_encode_section_info): ...here.
7746 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7747 Recheck that the symbol has not been defined.
7749 2006-06-23 Richard Guenther <rguenther@suse.de>
7751 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7752 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7753 alignment requests instead. Add verification code.
7754 Add struct tree_function_decl and struct tree_binfo size to
7755 extra_order_size_table. Add missing element to size_lookup
7758 2006-06-22 Roger Sayle <roger@eyesopen.com>
7759 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7762 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7763 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7765 2006-06-23 Ben Elliston <bje@au.ibm.com>
7767 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7768 negate dn -- manipulate it directly.
7770 2006-06-22 Roger Sayle <roger@eyesopen.com>
7771 Steven Bosscher <stevenb.gcc@gmail.com>
7774 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7775 generated by gen_move_insn to add REG_LABEL notes if necessary.
7777 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7779 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7780 (leaf_entry): Remove use of MIN_ESA.
7782 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7784 PR rtl-optimization/28121
7785 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7788 2006-06-21 DJ Delorie <dj@redhat.com>
7790 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7792 (mulhisi3_r): Likewise.
7794 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7797 * coverage.c (coverage_counter_alloc): Leave the index type
7799 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7802 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7804 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7805 section from the "Options for Code Generation Conventions".
7807 2006-06-21 Richard Henderson <rth@redhat.com>
7811 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7813 (global_symbolic_operand): Allow weak symbols, even if local_p.
7815 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7817 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7818 (find_interesting_uses_address): Punt if above function returns true.
7820 2006-06-21 Richard Guenther <rguenther@suse.de>
7822 * configure: Regenerated.
7824 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7826 * config/mips/mips.c (function_arg): Where one part of a
7827 complex argument is in registers and the other part in the stack,
7828 return a REG not a PARALLEL.
7830 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7832 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7833 when cross-compiling. Do not substitute libstdcxx_incdir.
7834 * configure: Regenerated.
7836 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7838 * varasm.c (mergeable_string_section): Check for embedded NULs and
7839 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7840 rather than TREE_STRING_LENGTH bytes.
7842 2006-06-21 Richard Guenther <rguenther@suse.de>
7844 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7845 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7848 2006-06-21 Richrad Guenther <rguenther@suse.de>
7850 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7851 Limit iteration over the dominators.
7853 2006-06-20 Roger Sayle <roger@eyesopen.com>
7855 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7856 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7858 2006-06-20 Richard Guenther <rguenther@suse.de>
7859 Michael Matz <matz@suse.de>
7861 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7863 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7864 * et-forest.h (et_free_pools): Prototype new function.
7865 * et-forest.c (et_free_tree_force): Free parent occurrence.
7866 (et_free_pools): New function.
7867 * dominance.c (free_dominance_info): Free et-forest alloc
7870 2006-06-20 Roger Sayle <roger@eyesopen.com>
7872 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7873 integer modes, attempt to directly construct an integer constant.
7875 * fold-const.c (native_encode_vector): Determine the size of each
7876 element from the vector type instead of the first vector element.
7878 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7879 if all of its elements/components are constant.
7880 (build_constructor_from_list): Likewise.
7882 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7884 PR tree-optimization/27331
7885 * tree-data-ref.c (free_data_ref): New function.
7886 (create_data_ref): Fail if the data reference has unknown access
7888 (free_data_refs): Use free_data_ref.
7890 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7893 * tree-inline.c (setup_one_parameter): Strip useless
7894 type conversion before adding it to the IR.
7895 (declare_return_variable): Likewise.
7897 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7900 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7902 2006-06-19 Mike Stump <mrs@apple.com>
7904 * tree.c (variably_modified_type_p): VM arguments don't make the
7907 2006-06-19 Richard Guenther <rguenther@suse.de>
7909 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7910 type conversions after folding.
7912 2006-06-19 Richard Guenther <rguenther@suse.de>
7914 * ggc-page.c (extra_order_size_tab): Add entries with
7915 size of struct function and basic_block.
7916 (size_lookup): Extend to cover sizes up to 511.
7917 (ggc_alloc_stat): Adjust user.
7918 (ggc_pch_count_object): Likewise.
7919 (ggc_pch_alloc_object): Likewise.
7920 (ggc_pch_write_object): Likewise.
7922 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7924 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7925 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7928 2006-06-19 Denis Chertykov <denisc@overta.ru>
7930 * config/avr/libgcc.S : Correct my wrong previous commit.
7932 2006-06-19 Roger Sayle <roger@eyesopen.com>
7935 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7936 have stripped a SUBREG from the shift count, so we may need to
7937 convert_to_mode back to the type's mode before calling make_tree.
7938 Use new_amount instead of amount to avoid expanding a tree twice.
7940 2006-06-19 Richard Guenther <rguenther@suse.de>
7943 * fold-const.c (operand_equal_p): Check if the argument types
7944 have the same precision before stripping NOPs.
7946 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7948 Fix PR tree-optimization/27341
7949 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7951 * tree-complex.c (pass_lower_complex): Update SMT usage.
7953 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7955 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7956 Add a new alternative to the constraint strings. Add move of
7957 operand 1 to 3 to the splitter definition.
7958 ("doloop_si_long"): Second contraint alternative removed.
7960 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7962 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7963 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7965 (AVR_HAVE_MOVW) Define.
7966 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7967 (ASM_SPEC): Add avr25.
7968 (LINK_SPEC): Add avr25.
7969 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7970 (base_arch_s): Add new member 'have_movw_lpmx'.
7971 (avr_arch_types): Init 'have_movw_lpmx'.
7972 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7973 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7974 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7975 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7976 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7978 (avr_file_start): Do not output '.arh' derective.
7979 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7980 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7981 * config/avr/avr.md (mcu_enhanced): Delete.
7982 (mcu_have_movw): Define.
7983 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7984 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7985 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7986 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7987 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7988 attiny861 and at86rf401 devices.
7990 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7992 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7995 2006-06-17 Karl Berry <karl@gnu.org>
7997 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7998 doc/gccint.texi, doc/install.texi (@dircategory): Use
7999 "Software development" instead of "Programming", following
8000 the Free Software Directory.
8002 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
8004 * config/i386/i386.c (legitimate_tls_address)
8005 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
8006 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
8007 (*tls_dynamic_gnu2_combine_64): Likewise.
8009 2006-06-16 Richard Guenther <rguenther@suse.de>
8012 * fold-const.c (negate_expr_p): Do not introduce undefined
8013 overflow in negating INTEGER_CSTs.
8014 (fold_negate_expr): Rename from negate_expr. Revert last
8015 change for folding BIT_NOT_EXPR. Change semantics to
8016 return NULL_TREE for non-simplified negations. Do not
8017 strip type conversions and unify type handling.
8018 (negate_expr): New function, wrap around fold_negate_expr
8019 but ensure building a tree always. Strip type conversions
8020 here, fold to result type.
8021 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
8023 2006-06-16 Roger Sayle <roger@eyesopen.com>
8026 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
8027 that (would) return their results in stack registers.
8029 2006-06-16 Michael Matz <matz@suse.de>
8030 Richard Guenther <rguenther@suse.de>
8032 * fold-const.c (fold_truthop): Only return new tree node if
8033 we canonicalized something.
8035 2006-06-16 Richard Guenther <rguenther@suse.de>
8037 * function.h (enum function_frequency): Move declaration
8038 out of struct function.
8039 (struct function): Move bool fields and the enum to the bitfield
8040 section. Reorder elements to avoid padding. Remove unused
8041 fields left over from the RTL inliner removal.
8042 * function.c (free_after_compilation): Do not zero removed fields.
8043 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
8044 (ipa-type-escape.o): Likewise.
8046 2006-06-16 Richard Guenther <rguenther@suse.de>
8048 * cgraph.h (struct cgraph_local_info): Turn bool elements
8050 (struct cgraph_node): Likewise.
8051 (struct cgraph_varpool_node): Likewise.
8053 2006-06-15 Richard Guenther <rguenther@suse.de>
8055 * fold-const.c (fold_truth_not_expr): Rename from
8056 invert_truthvalue. Give it fold_* semantics to avoid
8058 (invert_truthvalue): New function. Wrapper around
8059 fold_truth_not_expr.
8060 (optimize_minmax_comparison): Avoid creating garbage.
8061 (fold_unary): Use fold_truth_not_expr for folding
8063 (fold_ternary): Replace uses of invert_truthvalue with
8064 fold_truth_not_expr where applicable.
8065 * tree.h (fold_truth_not_expr): Prototype.
8067 2006-06-16 Richard Guenther <rguenther@suse.de>
8069 PR tree-optimization/27781
8070 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
8071 * ipa-pure-const.c (target.h): Include.
8072 (analyze_function): Do not analyze functions that do not
8075 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
8078 * tree-dfa.c (referenced_vars_dup_list): Remove.
8079 (find_referenced_vars): Remove assert.
8080 (referenced_var_check_and_insert): Replace dup list with assert.
8081 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
8082 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
8084 2006-06-15 Richard Guenther <rguenther@suse.de>
8086 * tree-ssa-structalias.c (alias_get_name): Avoid creating
8087 extra unused identifiers if not dumping.
8088 (create_variable_info_for): Likewise.
8090 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
8092 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
8093 (derive_constant_upper_bound): Derive more precise upper bound in
8094 common cases. Return type changed to double_int.
8095 (record_estimate): Reflect the changed return type of
8096 derive_constant_upper_bound.
8097 * double-int.c (double_int_zext, double_int_sext): Fix.
8099 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
8101 * configure.ac (CFLAGS): Get them from the toplevel or from the
8102 configure invocation.
8103 * configure: Regenerate.
8104 * Makefile.in (CFLAGS): Substitute value provided by configure.
8106 2006-06-14 Mark Mitchell <mark@codesourcery.com>
8109 * c-common.h (c_finish_omp_atomic): Adjust declaration.
8110 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
8111 rather than calling add_stmt on it.
8112 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
8114 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
8117 * reload1.c (reload): Remove registers returned by update_eliminables
8118 from used_spill_regs.
8120 2006-06-13 DJ Delorie <dj@redhat.com>
8122 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
8124 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
8126 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
8127 html__strip_dir, html__mkdir_p. Enhance install-html target.
8128 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
8129 * configure: Regenerate.
8131 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
8133 * fold-const.c (fold_cond_expr_with_comparison): Check for
8134 Objective-C++ as language in deciding COND_EXPR transformation.
8136 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
8139 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
8140 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
8141 * config/sh/lib1funcs.h (SL, SL1): Define.
8142 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
8143 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
8144 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
8145 (OBJS_Os_4_200): New variable.
8146 ($(T)libgcc-Os-4-200.a): Use it.
8147 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
8148 when dividing 1 and/or by 0.
8150 2006-06-13 Roger Sayle <roger@eyesopen.com>
8152 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
8153 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
8154 * configure: Regenerate.
8156 2006-06-13 Jie Zhang <jie.zhang@analog.com>
8158 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
8159 for real instruction.
8161 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8164 * haifa-sched.c (check_cfg): Handle special case.
8166 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
8169 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
8170 Add debug_info parameter. Chain the vars to the BLOCK instead
8171 of the BIND_EXPR if debug info are requested for them.
8172 (pop_gimplify_context): Adjust for above change.
8173 (gimple_add_tmp_var): Likewise.
8174 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
8176 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
8177 (convert_local_reference): Likewise.
8178 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
8179 (finalize_nesting_tree_1): Request that debug info be emitted
8180 for debug_var_chain.
8182 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8184 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
8185 for PR target/27863.
8187 2006-06-13 Richard Guenther <rguenther@suse.de>
8190 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
8192 2006-06-13 Richard Guenther <rguenther@suse.de>
8194 PR tree-optimization/27830
8195 * tree-inline.c (copy_body_r): For copying the operand
8196 of an ADDR_EXPR make sure to fold &* afterwards.
8198 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8200 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8201 lvalues in the fb_none case with side-effects.
8203 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8205 * tree-flow.h: Remove the prototype for
8206 compute_phi_arg_on_exit.
8207 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8208 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8211 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8213 * builtins.c (expand_builtin_return_addr): Only use
8214 frame_pointer_rtx when count == 0 and we are expanding
8215 __builtin_return_address.
8217 2006-06-12 Fred Fish <fnf@specifix.com>
8219 * config/mips/mips.c (mips_file_start): Create special section
8220 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8222 2006-06-11 Eric Christopher <echristo@apple.com>
8225 * stor-layout.c (place_field): Remove check for
8226 remaining_in_alignment when aligning at the end of a run.
8228 2006-06-11 Eric Christopher <echristo@apple.com>
8231 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8234 2006-06-11 Roger Sayle <roger@eyesopen.com>
8237 Revert incorrect fix for PR target/27158
8238 2006-05-08 Roger Sayle <roger@eyesopen.com>
8239 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8240 of a reg_equiv_constant if the result is a legitimate constant.
8242 2006-06-11 Roger Sayle <roger@eyesopen.com>
8245 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8246 extract a CONST_VECTOR element and interpret it as an integer.
8247 (vspltis_constant): Use const_vector_elt_as_int instead of the
8248 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8249 * config/rs6000/predicates.md (easy_vector_const): Consider
8250 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8252 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8255 * stor-layout.c (update_alignment_for_field): Don't add extra
8256 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8259 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8261 * config/mips/t-rtems: Add EL/EB multilib variants.
8263 2006-06-09 Mike Stump <mrs@apple.com>
8265 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8267 2006-06-09 David Daney <ddaney@avtrex.com>
8269 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8271 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8273 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8275 2006-06-09 Richard Guenther <rguenther@suse.de>
8277 PR tree-optimization/26998
8278 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8279 of signed types, only TYPE_MIN_VALUE is special, but for both,
8280 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8281 in this case, as is -fwrapv.
8283 2006-06-08 Mike Stump <mrs@apple.com>
8286 * config/darwin.c (darwin_asm_output_anchor): Disable
8287 -fsection-anchors on darwin for now.
8288 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8289 * rs6000/rs6000.c (optimization_options): Likewise.
8291 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8294 * config/i386/i386.c (classify_argument): Skip fields with invalid
8297 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8299 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8300 (cse_insn): Likewise for the stack_pointer_rtx.
8302 2006-06-08 Roger Sayle <roger@eyesopen.com>
8304 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8305 conditions from floating point comparisons.
8307 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8310 * expmed.c (struct alg_hash_entry): Fix type of field T
8311 to match synth_mult argument.
8312 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8314 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8317 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8320 2006-06-08 Richard Guenther <rguenther@suse.de>
8323 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8324 only, if overflow is defined and not trapping.
8325 (negate_expr): Likewise.
8327 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8329 PR tree-optimization/27872
8330 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8331 flag on the new exit edge of the unrolled loop.
8333 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8335 PR rtl-optimization/26449
8336 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8338 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8341 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8342 referenced_variables with matching DECL_UID's.
8343 (find_referenced_vars): Make sure duplicate list is empty to start.
8344 (referenced_var_p): Remove.
8345 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8346 Check if var is in the list, and add if needed. Update the duplicate
8347 list if a different var is in the list with the same DECL_UID.
8348 (add_referenced_var): Call routine to check and insert.
8349 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8350 * tree-flow.h (referenced_vars_dup_list): External declaration.
8352 2006-06-07 Fred Fish <fnf@specifix.com>
8354 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8357 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8360 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8361 the imaginary and real parts of a clobbered register.
8362 Emit insn to set the imaginary part.
8364 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8366 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8367 in lieu of unwind-dw2-fde.c.
8369 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8371 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8373 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8376 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8377 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8378 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8379 V4SImode temporaries and operations instead.
8381 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8383 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8386 2006-06-06 Mike Stump <mrs@apple.com>
8388 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8389 installing during build.
8391 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8393 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8395 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8396 * config/ia64/ia64.c (params.h): New header.
8397 (ia64_optimization_options): New function to adjust parameters.
8398 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8399 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8400 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8402 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8404 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8406 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8409 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8411 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8412 Victor Kaplansky <victork@il.ibm.com>
8414 PR tree-optimization/26360
8415 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8418 2006-06-04 Roger Sayle <roger@eyesopen.com>
8419 Andrew Pinski <pinskia@physics.uc.edu>
8422 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8423 for LABEL_DECL before calling DECL_WEAK.
8426 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8427 LABEL_DECL and PARM_DECL.
8429 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8433 * c-decl.c (grokdeclarator): Disallow variably modified types at
8434 file scope. Avoid marking shared array type of constant size as
8437 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8440 * c-common.c (fold_offsetof_1): Handle static members.
8442 2006-06-04 Eric Christopher <echristo@apple.com>
8444 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8445 (debug_rli): Output value for remaining_in_alignment.
8446 (update_alignment_for_field): Unconditionalize
8447 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8448 extra alignment code.
8449 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8450 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8451 * tree.h (record_layout_info_s): Remove prev_packed.
8452 * doc/extend.texi (ms_struct): Add documentation of format.
8454 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8456 * tree.h: Declare folding_initializer.
8457 * builtins.c (fold_builtin_constant_p): Give definite answer
8458 if folding inside an initializer.
8459 * fold-const.c: Define folding_initializer.
8460 (START_FOLD_INIT): Save and then set folding_initializer.
8461 (END_FOLD_INIT): Restore folding_initializer.
8463 2006-06-04 Richard Guenther <rguenther@suse.de>
8465 PR tree-optimization/27039
8466 * fold-const.c (fold_comparison): Handle pointer comparison
8467 again for all comparison codes. Compare offsets in signed
8469 (fold_binary): Move code from here.
8471 2006-06-03 Roger Sayle <roger@eyesopen.com>
8474 * config/i386/i386.c (construct_container): Split static issued_error
8475 flag into issued_sse_arg_error, issued_sse_ret_error and
8476 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8477 requires the use of x87 registers and the user explicitly
8478 specified the -mno-80387 command line option.
8480 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8482 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8483 HAVE_DECL_SIGALTSTACK.
8485 (segv_handler): Use MC_FLD.
8486 * configure.ac: Check for a sigaltstack declaration.
8487 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8488 * configure: Regenerate.
8489 * config.in: Regenerate.
8491 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8494 * Makefile.in (stmp-fixinc): Fix typo.
8496 2006-06-02 Roger Sayle <roger@eyesopen.com>
8498 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8499 are type correct. Clean-up.
8500 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8501 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8503 2006-06-01 DJ Delorie <dj@redhat.com>
8505 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8506 shift, as we've disabled the "switch" insn that needs it.
8508 2006-06-01 Per Bothner <bothner@bothner.com>
8510 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8511 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8512 * c-ppoutput.c (cb_define): Don't increment line 0.
8514 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8516 * doc/invoke.texi: Add cpu_type power6.
8517 * config.gcc: Add cpu_type power6.
8518 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8519 to power5+ with Altivec.
8520 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8521 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8523 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8525 * config/avr/avr.h (SET_ASM_OP): Define.
8527 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8529 * config/bfin/bfin.c: Fix comment typos.
8531 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8534 * doc/install.texi: Document --enable-bootstrap and
8535 --disable-bootstrap.
8537 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8539 * doc/install.texi: Document that InfoZIP can replace jar.
8541 2006-05-31 Roger Sayle <roger@eyesopen.com>
8543 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8544 isn't available, directly generate the simpler x87 patterns without
8545 the (use (const_int 0)).
8546 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8547 implementation isn't available.
8548 (*negdf2_1): Likewise.
8549 (*negxf2_1): XF mode negation is always done using the x87.
8550 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8552 2006-05-31 Roger Sayle <roger@eyesopen.com>
8554 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8555 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8557 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8559 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8561 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8562 * config/bfin/bfin.c (basic-block.h): Include.
8563 (struct machine_function): New.
8564 (bfin_init_machine_status): New.
8565 (override_options): Initialize init_machine_status.
8566 (bfin_hardware_loop): New.
8567 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8568 (DEF_VEC_P (loop_info)): New.
8569 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8570 (struct loop_info): New.
8571 (loop_info): New typedef.
8572 (struct loop_work): New.
8573 (loop_work): New typedef.
8574 (DEF_VEC_O (loop_work)): New.
8575 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8576 (bfin_dump_loops): New.
8577 (bfin_bb_in_loop): New.
8578 (bfin_scan_loop): New.
8579 (bfin_optimize_loop): New.
8580 (bfin_reorg_loops): New.
8581 (bfin_reorg): Use bfin_reorg_loops.
8582 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8584 (I_REGNO_P): Simplify.
8585 (DP_REGNO_P, DPREG_P): New macros.
8586 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8587 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8588 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8589 Add LT_REGS, LC_REGS, LB_REGS.
8590 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8592 (REGNO_REG_CLASS): Deal with loop registers.
8593 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8595 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8596 New constants for loop registers.
8597 (UNSPEC_LSETUP_END): New.
8598 (seq_insns): New define_attr. Set it for appropriate insns.
8599 (movsi_insn): Add alternatives for move from/to
8600 loop count registers.
8601 (doloop_end): New define_expand.
8602 (loop_end): New define_insn.
8603 (define_split for bad doloop_end): New.
8604 (lsetup_with_autoinit): New define_insn.
8605 (lsetup_without_autoinit): New define_insn.
8606 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8607 * config/bfin/predicates.md (lc_register_operand): New.
8608 (lt_register_operand): New.
8609 (lb_register_operand): New.
8610 (nondp_register_operand): New.
8611 (nondp_reg_or_memory_operand): New.
8612 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8614 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8616 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8617 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8619 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8621 * Makefile.in (CATALOGS): Add po/ prefix.
8622 * configure: Regenerated.
8624 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8627 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8628 a shift operand before calling shift_op. Avoid redundant call of
8631 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8632 DJ Delorie <dj@redhat.com>
8634 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8635 we're inserting is a singlt-bit constant.
8637 2006-05-30 Roger Sayle <roger@eyesopen.com>
8639 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8640 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8642 2006-05-30 Roger Sayle <roger@eyesopen.com>
8644 PR tree-optimization/23452
8645 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8646 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8647 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8648 complex values and with -ffast-math for FP complex values.
8650 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8652 * c-common.h: Remove the prototype for yyparse.
8653 * rtl.h: Remove the prototype for init_loop.
8655 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8657 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8660 2006-05-30 Roger Sayle <roger@eyesopen.com>
8662 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8664 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8665 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8667 2006-05-30 Dirk Mueller <dmueller@suse.de>
8670 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8671 for CONSTANT_CLASS_P expresisons.
8673 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8676 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8678 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8680 PR tree-optimization/27779
8681 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8682 initial_condition instead of CHREC_LEFT.
8684 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8686 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8687 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8688 Make prototypes ISO C90.
8690 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8691 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8693 * see.c (see_analyze_one_def): Correct check.
8694 (see_get_extension_data): Check if extension is parallel.
8695 (see_get_extension_reg): Likewise.
8697 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8700 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8701 into register for (code == GTU).
8703 2006-05-29 Roger Sayle <roger@eyesopen.com>
8705 PR tree-optimization/24964
8706 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8707 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8708 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8709 abs(x)*abs(x) as x*x for scalar floating point modes.
8711 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8714 * lambda-code.c (perfect_nestify): Don't copy statements
8715 in the inner loop: move them to the inner loop header.
8717 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8720 * c-tree.texi: Document OpenMP directives and clauses.
8722 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8724 * varasm.c (globalize_decl): Fix indentation.
8726 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8729 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8730 pass_fre, pass_store_ccp, pass_copy_prop,
8731 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8732 pass_return_slot, pass_object_size, pass_lim,
8733 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8734 pass_loop_prefetch and pass_stdarg.
8736 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8738 * config/bfin/bfin.opt (mfdpic): New option.
8739 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8740 (EXTRA_MULTILIB_PARTS): Likewise.
8741 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8742 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8744 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8745 (CRT_CALL_STATIC_FUNCTION): New.
8746 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8748 (CRT_CALL_STATIC_FUNCTION): New.
8749 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8751 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8752 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8753 (initialize_trampoline): Changed to handle FD-PIC code generation.
8754 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8755 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8756 (override_options): Disallow -mid-shared-library -mfdpic combination.
8757 Can't do unaligned ops if FD-PIC.
8758 Turn off flag_pic if trying to generate non-id-shared-library
8759 non-fdpic code, since it's not supported.
8760 (bfin_assemble_integer): New function.
8761 (TARGET_ASM_INTEGER): Define.
8762 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8764 * config/bfin/crtn.s: Restore them.
8765 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8767 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8768 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8769 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8770 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8771 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8773 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8774 FDPIC_REGS and FDPIC_FPTR_REGS.
8775 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8776 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8777 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8778 (load_funcdescsi): New pattern.
8779 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8780 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8781 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8783 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8785 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8788 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8790 * tree-flow.h: Remove the prototype for add_type_alias.
8791 * tree-ssa-alias.c (add_type_alias): Remove.
8793 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8795 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8796 config/fr30/fr30.md, config/i386/i386-interix.h,
8797 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8798 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8799 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8800 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8801 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8802 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8803 Follow spelling conventions.
8804 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8805 Follow spelling conventions.
8807 2006-05-27 Richard Guenther <rguenther@suse.de>
8810 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8811 to produce a constant of value 1 of generic type.
8813 2006-05-27 Dirk Mueller <dmueller@suse.de>
8815 * cgraphunit.c (decide_is_function_needed): Fix wrong
8818 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8820 PR rtl-optimization/27661
8821 * reload.c (find_reloads): When reloading a VOIDmode constant
8822 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8823 use Pmode as mode of the reload register.
8825 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8827 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8828 is enabled at -O and above.
8830 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8833 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8836 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8839 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8840 for anonymous variables explicitly declared by front ends.
8842 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8844 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8845 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8846 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8847 ref-all pointers, run a finalization pass for them.
8848 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8849 (finalize_ref_all_pointers): New function.
8850 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8851 regular pointer type to a ref-all pointer type.
8852 (get_tmt_for): Return the special memory tag for ref-all pointers.
8854 2006-05-25 Richard Guenther <rguenther@suse.de>
8857 * fold-const.c (fold_binary): Do not look at the stripped
8858 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8860 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8862 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8863 for LT and GT if the computed range is effectively empty.
8865 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8868 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8869 mips_quad_format formats instead of ieee_single_format,
8870 ieee_double_format and ieee_quad_format formats, respectively.
8872 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8874 PR tree-optimization/27639
8875 PR tree-optimization/26719
8876 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8877 call to scev_probably_wraps_p.
8878 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8879 used_in_pointer_arithmetic_p, convert_step): Removed.
8880 (nowrap_type_p): New function.
8881 (scev_probably_wraps_p): Rewritten.
8882 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8883 chrec_convert if chrec_convert_aggressive might have been used.
8884 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8885 scev_direction): New functions.
8886 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8887 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8888 instead of convert_step.
8889 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8890 (convert_step): Declaration removed.
8891 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8893 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8895 * df-core.c: Added to header comments.
8896 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8897 df_ur_bb_info, df_urec_bb_info): Added comments.
8898 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8899 urec, ri problems): Fixed header comments.
8900 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8901 code from df_rd_transfer_function.
8903 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8905 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8906 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8907 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8909 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8911 * expr.c (undefined_operand_subword_p): New.
8912 (emit_move_multi_word): Do not generate move from undefined bits
8913 of a paradoxical subreg.
8915 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8917 PR rtl-optimization/27736
8918 * combine.c (replaced_rhs_value): New variable.
8919 (combine_instructions): Set it.
8920 (distribute_notes): When distributing a note in replaced_rhs_insn,
8921 check whether the value was used in replaced_rhs_value.
8923 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8926 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8927 add_referenced_var instead of add_referenced_tmp_var.
8928 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8929 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8931 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8932 tree_optimize_tail_calls_1): Use add_referenced_var.
8933 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8934 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8935 Use add_referenced_var.
8936 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8937 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8938 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8939 Use add_referenced_var.
8940 * tree-dfa.c (struct walk_state): Remove.
8941 (find_referenced_vars): Remove walk state and vars_found hash table.
8942 (make_rename_temp): Use add_referenced_var.
8943 (find_vars_r): Pass less parameters to add_referenced_var.
8944 (referenced_var_p): New. Is var in referenced_var hash table.
8945 (referenced_var_insert): Assert var isn't already in hash table.
8946 (add_referenced_var): Don't need walk_state parameter. Add var if it
8947 isn't already in the hash table.
8948 (add_referenced_tmp_var): Remove.
8949 (find_new_referenced_vars_1): Use add_referenced_var.
8950 * tree-ssa-pre.c (create_expression_by_pieces,
8951 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8952 Use add_referenced_var.
8953 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8954 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8955 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8957 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8958 vect_create_data_ref_ptr, vect_create_destination_var,
8959 vect_init_vector, vect_build_loop_niters,
8960 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8961 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8962 Use add_referenced_var.
8963 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8964 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8965 (add_referenced_var): Add prototype.
8966 * tree-ssa-structalias.c (get_constraint_for,
8967 intra_create_variable_infos): Use add_referenced_var.
8969 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8971 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8972 big-endian paradoxical subregs.
8973 * var-tracking.c (struct micro_operation_def): Document that,
8974 for modify micro operations, insn is the subsequent instruction.
8975 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8976 (var_reg_set, var_mem_set): ... new functions.
8977 (add_stores): Record subsequent insn.
8978 (compute_bb_dataflow): Use new functions for MO_USE.
8979 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8980 notes after the insn, and modify notes before the insn known
8981 to be the subsequent one.
8982 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8984 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8987 * config/i386/i386.c (ix86_expand_builtin): Use
8988 gen_sse3_monitor64 for TARGET_64BIT.
8990 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8992 PR rtl-optimization/26375
8993 PR rtl-optimization/26855
8994 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8996 (df_ru_bb_local_compute): Reversed statements and removed bogus
8997 comment explaining why they should be in wrong order.
8998 (df_ru_dump, df_rd_dump): Enhanced debug info.
8999 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
9001 * ddg.c (add_deps_for_def): Converted use of reaching defs to
9002 reaching uses and fixed space problem.
9004 2006-05-23 Jan Hubicka <jh@suse.cz>
9006 * cgraphunit.c (decide_is_function_needed): Also nested functions
9007 and functions declared inline can be optimized out at -O0.
9009 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
9011 * doc/install.texi (Configuration): Remove reference to CrossGCC
9015 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9018 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
9019 ix86_compare_emitted is non-NULL.
9021 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9024 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
9027 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9029 PR rtl-optimization/25514
9030 * combine.c (replaced_rhs_insn): New variable.
9031 (combine_instructions): Set replaced_rhs_insn when trying to replace
9032 a SET_SRC with a REG_EQUAL note.
9033 (distribute_notes): Use replaced_rhs_insn when determining the live
9034 range of a REG_DEAD register.
9036 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
9037 Anatoly Sokolov <aesok@post.ru>
9039 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
9040 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
9041 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
9042 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
9043 atmega3290, atmega649, atmega6490, atmega406, atmega640,
9044 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
9045 at90usb647, at90usb1286 and at90usb1287 devices.
9046 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9047 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9049 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9051 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
9053 2006-05-22 Richard Guenther <rguenther@suse.de>
9056 2006-01-31 Richard Guenther <rguenther@suse.de>
9057 Paolo Bonzini <bonzini@gnu.org>
9059 * doc/install.texi (--disable-libgcc-math): Document.
9061 2006-05-22 Richard Guenther <rguenther@suse.de>
9064 2006-01-31 Richard Guenther <rguenther@suse.de>
9066 * doc/invoke.texi (-msselibm): Document.
9067 * target.h (expand_library_builtin): New target hook.
9068 * builtins.c (expand_builtin): Use expand_library_builtin.
9069 (default_expand_library_builtin): New function.
9070 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9071 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9072 (link_gcc_math_spec): Declare.
9073 (static_specs): Add link_gcc_math_spec.
9074 * expr.h (default_expand_library_builtin): Declare.
9075 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9076 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9077 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9078 * config/i386/i386.opt (msselibm): New target option.
9079 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9080 (ix86_init_sse_abi_builtins): New function.
9081 (ix86_expand_library_builtin): Likewise.
9082 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9083 (override_options): Handle error conditions wrt -msselibm.
9084 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9085 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9086 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9089 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9092 * c-common.c (self_promoting_args_p): Skip erroneous args.
9095 * c-decl.c (finish_struct): Skip erroneous fields.
9097 2006-05-22 Nick Clifton <nickc@redhat.com>
9099 * config/cris/cris.opt (march): Remove VarExists attribute.
9100 (max-stackframe=): Likewise.
9102 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9104 * doc/rtl.texi: Fix a typo.
9105 * see.c: Fix comment typos.
9107 * tree-ssa-structalias.h (alias_info): Remove num_references.
9109 2006-05-21 Mike Stump <mrs@apple.com>
9111 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
9113 (darwin_pragma_options): Use BAD instead.
9114 (darwin_pragma_unused): Likewise.
9115 (darwin_pragma_ms_struct): Likewise.
9117 2006-05-21 David Edelsohn <edelsohn@gnu.org>
9119 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
9121 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
9123 PR rtl-optimization/27671
9124 * simplify-rtx.c (simplify_relational_operation_1): Fix
9125 simplifications of (eq/ne (xor x y) y) and
9126 (eq/ne (xor x y) x).
9128 PR tree-optimization/26622.
9129 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
9132 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9134 * tree-cfg.c: Prune whitespace.
9135 (debug_tree_cfg): Point to correct header containing the
9138 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9141 * cgraphunit.c (verify_cgraph_node): Typo in error message.
9143 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
9146 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
9147 or sorry count is non zero.
9149 2006-05-20 Andreas Schwab <schwab@suse.de>
9151 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
9153 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
9154 Kenneth Zadeck <zadeck@naturalbridge.com>
9156 PR rtl-optimization/26855
9158 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
9160 (df_scan_alloc): Added code to properly handle multiword hard
9161 registers and add all_blocks parameter.
9162 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
9163 code to properly handle multiword hard registers.
9164 (df_rescan_blocks): Added code to remove deleted blocks from
9166 (df_ref_create_structure, df_ref_record): Added code to properly
9168 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
9169 and set DF_REF_PARTIAL.
9170 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
9171 (df_uses_record): Added DF_REF_PARTIAL for subreg.
9172 (df_scan_add_problem): Added flags parameter.
9173 (df_ref_create_structure): Changed switching structure.
9174 (df_bb_refs_record): Fixed case where duplicate artificial refs
9175 were created. Changed location of flags.
9176 (df_record_entry_block_defs): Added code to make stack pointer
9177 live in entry block. Refined cases where frame pointer is needed.
9178 Changed location of flags.
9179 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
9180 (df_set_state): Removed function.
9181 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
9182 df_insn_create_insn_record, df_insn_refs_delete,
9183 df_ref_create_structure): Formatting changes.
9184 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
9185 df_delete_basic_block): New function.
9186 (df_init): Changed location of flags.
9187 (df_add_problem): Added flags parameter and the way flags are
9189 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
9190 debug_df_chain): Improved debugging output.
9191 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
9192 (df_refs_chain_dump): Removed df parameter.
9193 (df_iterative_dataflow): Added consistency check.
9194 (df_prune_to_subcfg): Made public.
9195 (df_analyze_problem): Added blocks_to_init parameter and made
9197 (df_ref_record, df_bb_refs_record, df_mark_reg,
9198 df_record_exit_block_uses): Whitespace changes.
9199 (df_dump): Whitespace changes.
9200 * df.h: Some reordering to remove forward references.
9201 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9202 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9203 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9204 (dataflow.flags): New field.
9205 (df.flag): Deleted field.
9206 (df_alloc_function): Added additional bitmap parameter.
9207 (df_dependent_problem_function): New type.
9208 (df_problem.changeable_flags): New field.
9209 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9210 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9211 (df_mw_hardreg): New struct.
9212 (DF_INSN_UID_MWS): New macro.
9213 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9215 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9216 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9217 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9218 (df_set_state): Removed function.
9219 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9220 * df-problems.c (df_chain_dump): Removed df parameter.
9221 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9222 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9224 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9225 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9226 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9227 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9228 DF_REF_MUST_CLOBBER cases.
9229 (df_ru_bb_local_compute_process_def,
9230 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9231 df_lr_bb_local_compute, df_ur_bb_local_compute,
9232 df_chain_create_bb): Made subreg aware.
9233 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9234 df_lr_bb_local_compute, df_lr_bb_local_compute,
9235 df_chain_create_bb): Cleanup to use proper macros.
9236 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9237 code to fixup bitvectors.
9238 (df_ri_alloc): Cleared lifetime.
9239 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9240 df_create_unused_note): New function.
9241 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9242 REG_DEAD and REG_UNUSED notes as well as register information.
9243 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9244 df_chains_dump): Fixed crash if problem was never run.
9245 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9246 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9247 df_ri_add_problem): Processes flags in uniform manner.
9248 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9249 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9250 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9251 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9252 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9253 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9254 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9255 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9256 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9257 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9258 * see.c (see_initialize_data): Ditto.
9259 * final.c (rest_of_clean_state) Added regstack_completed.
9260 * rtl.h (regstack_completed): Ditto.
9261 * reg-stack.c (regstack_completed): Ditto.
9263 2006-05-19 Mike Stump <mrs@apple.com>
9265 * c-tree.h (default_conversion): Remove.
9266 * c-common.h (default_conversion): Add.
9268 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9270 * tree-vrp.c (valid_value_p): New function.
9271 (adjust_range_with_scev): Fail if the value of bound is not
9274 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9276 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9277 (mips_fallback_frame_state): Use syscall numbers to determine
9278 the appropriate li instruction for the current ABI. Only use
9279 __NR_sigreturn for o32.
9281 2006-05-19 Nicolas Setton <setton@adacore.com>
9283 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9284 * langhooks.c (lhd_dwarf_name): New function.
9285 * langhooks-def.h (lhd_dwarf_name): Declare.
9286 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9287 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9289 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9291 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9293 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9294 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9295 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9296 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9297 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9298 determine the size of Wtype, etc.
9299 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9300 (swfloatfuncs): New variable.
9301 (dwfloatfuncs): Likewise.
9302 (lib2funcs): Remove floating-point conversion functions from
9303 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9304 the set of conversion routines needed. Allow entries to specify
9305 an object name, filename and word size. Update users accordingly.
9306 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9307 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9311 2006-02-08 Roger Sayle <roger@eyesopen.com>
9314 * config/fixtfdi.c: New libgcc source file.
9315 * config/fixunstfdi.c: New source file.
9316 * config/floatditf.c: New source file.
9317 * config/floatunditf.c: New souce file.
9318 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9319 files above instead of config/mips/_tilib.c.
9320 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9322 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9324 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9325 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9327 2006-05-18 Mike Stump <mrs@apple.com>
9329 Fix up vla, vm and [*] sematics.
9335 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9336 (c_vla_unspec_p): Add.
9337 (c_vla_type_p): Add.
9338 * c-decl.c (struct c_scope): Add had_vla_unspec.
9339 (build_array_declarator): Add support for [*].
9340 (grokdeclarator): Likewise.
9341 (grokparms): Likewise.
9342 (get_parm_info): Likewise.
9343 * c-objc-common.c (c_vla_unspec_p): Likewise.
9344 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9345 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9346 typeof when argument is a variably modified type not inside sizeof or alignof.
9347 (c_parser_direct_declarator_inner): Propagate errors.
9348 (c_parser_sizeof_expression): Add support for [*].
9349 (c_parser_parms_declarator): Initialize had_vla_unspec.
9350 (c_parser_parms_list_declarator): Likewise.
9351 * c-typeck.c (c_vla_type_p): Add.
9352 (composite_type): Add support for vla compositing.
9353 (comptypes_internal): Add support for vla compatibility.
9354 (c_expr_sizeof_expr): Evaluate vla arguments.
9355 * tree.c (variably_modified_type_p): Update comment for [*].
9357 2006-05-18 Michael Matz <matz@suse.de>
9360 * config.host: Make assignments to host_xmake_file cumulative.
9361 * config.host (*-darwin*): Test $host, not $target.
9363 2006-05-12 Stuart Hastings <stuart@apple.com>
9365 * config/i386/i386.opt (-mstackrealign): New flag.
9366 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9367 (ix86_handle_cconv_attribute): Emit error when
9368 force_align_arg_pointer attribute collides with too many regparms.
9369 (ix86_function_regparm): Limit regparms when used with
9370 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9371 Support stack-realigning prologue in non-main functions. Emit
9372 warning for nested functions under -mstackrealign, emit error for
9373 nested functions with force_align_arg_pointer attribute.
9374 * doc/extend.texi (force_align_arg_pointer): Document it.
9375 * doc/invoke.texi (-mstackrealign): Document it.
9377 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9379 PR rtl-optimization/27477
9380 * combine.c (try_combine): Don't split a parallel consisting
9381 of two sets into two individual sets if both sets reference
9384 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9386 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9387 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9389 * doc/options.texi (VarExists): Updated.
9391 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9393 * unwind-dw2.c: Add declarations for uw_update_context and
9395 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9396 detected, advance frame state and context once to skip over stub.
9398 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9402 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9403 Call rewrite_into_loop_closed_ssa only when something changed.
9404 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9405 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9406 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9407 Test for perfect_nest_p here. Fix formating.
9408 (replace_uses_equiv_to_x_with_y): Fix formating.
9409 (stmt_uses_op): Removed.
9410 (can_convert_to_perfect_nest): Removed loopivs parameter.
9411 Complete the test by checking the scalar dependences.
9412 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9415 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9418 From Dan Kegel <dank@kegel.com>:
9419 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9421 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9423 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9424 if the element type is variably modified without recursing.
9426 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9429 * tree-loop-linear.c (try_interchange_loops): Test for
9430 no data dependences.
9432 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9434 PR tree-optimization/27548
9435 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9436 range of ssa names that appear on abnormal edges.
9437 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9438 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9440 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9443 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9445 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9448 * tree.h (OMP_PARALLEL_COMBINED): Define.
9449 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9450 (new_omp_context): Add is_combined_parallel argument.
9451 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9452 new_omp_context caller.
9453 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9454 Adjust gimplify_scan_omp_clauses callers.
9455 (omp_is_private): Issue errors if iteration variable is firstprivate
9456 or reduction in the current context.
9457 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9458 on combined parallel workshare constructs.
9460 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9462 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9463 (gcc-options.o): New rule.
9465 * optc-gen.awk: Protect variables for gcc-options.o with
9466 #ifdef GCC_DRIVER/#endif.
9468 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9470 Fix PR tree-optimization/27373
9471 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9472 (forward_propagate_addr_expr): Update call.
9474 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9476 * doc/options.texi: Move the Negative option.
9478 2006-05-16 Richard Guenther <rguenther@suse.de>
9480 PR tree-optimization/22303
9481 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9483 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9484 ccp_fold did not simplify the statement.
9486 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9489 * Makefile.in (GCC_OBJS): New.
9490 (OBJS-common): Add opts-common.o.
9491 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9492 (cpp$(exeext)): Likewise.
9493 (gcc.o): Also depend on opts.h.
9494 (opts-common.o): New.
9496 * common.opt (gcoff): Add Negative(gdwarf-2).
9497 (gdwarf-2): Add Negative(gstabs).
9498 (gstabs): Add Negative(gstabs+).
9499 (gstabs+): Add Negative(gvms).
9500 (gvms): Add Negative(gxcoff).
9501 (gxcoff): Add Negative(gxcoff+).
9502 (gxcoff+): Add Negative(gcoff).
9503 * config/i386/i386.opt (m32): Add Negative(m64).
9504 (m64): Add Negative(m32).
9506 * doc/options.texi: Document the Negative option.
9508 * gcc.c: Include "opts.h".
9509 (main): Call prune_options after expandargv.
9511 * optc-gen.awk: Generate common declarations for all flag
9512 variables in options.c. Output the neg_index field.
9514 * opts.c (find_opt): Moved to ...
9515 * opts-common.c: Here. New file.
9517 * opts.h (cl_option): Add a neg_index field.
9519 (prune_options): Likewise.
9521 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9524 * omp-low.c (expand_omp_parallel): Don't assert
9525 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9526 instead search for it.
9529 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9532 2006-05-16 Andreas Schwab <schwab@suse.de>
9534 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9537 2006-05-15 Roger Sayle <roger@eyesopen.com>
9540 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9541 integer constants other than zero are only legitimate on TARGET_64BIT.
9542 <CONST_VECTOR> Only zero vectors are legitimate.
9543 (ix86_cannot_force_const_mem): Integral and vector constants can
9544 always be put in the constant pool.
9546 2006-05-16 DJ Delorie <dj@redhat.com>
9548 * crtstuff.c (__dso_handle): Set section from
9549 TARGET_LBIGCC_SDATA_SECTION if defined.
9550 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9551 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9553 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9556 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9559 2006-05-16 Ben Elliston <bje@au.ibm.com>
9561 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9563 2006-05-15 Per Bothner <per@bothner.com>
9565 * tree.c: (last_annotated_node): Use source_locus typedef.
9566 This permits bootstrapping with --enable-mapped-location.
9568 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9570 PR tree-optimization/26830
9571 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9572 (info_for_ssa_name, current_info_for_ssa_name_age,
9573 blocks_to_update): New variables.
9574 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9575 (clear_ssa_name_info, initialize_flags_in_bb,
9576 mark_block_for_update): New functions.
9577 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9578 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9579 prepare_def_site_for): Use mark_block_for_update.
9580 (mark_def_interesting): Assert that the processed block is marked in
9581 blocks_to_update. Do not take blocks argument.
9582 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9584 (rewrite_update_init_block, rewrite_update_stmt): Only process
9585 blocks with statements to rewrite.
9586 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9587 (update_ssa): Initialize and free blocks_to_update. Do not
9588 clear flags on statements. Do not use blocks bitmap.
9589 * tree.h (SSA_NAME_AUX): Removed.
9590 (struct tree_ssa_name): Removed aux field.
9591 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9593 2006-05-15 Richard Guenther <rguenther@suse.de>
9595 PR tree-optimization/27603
9596 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9597 Do computations in original type.
9599 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9601 * see.c: Code style changes such as redundant paranthesis,
9602 redundant intialization of local variables etc.
9603 (see_main): Declared now as static.
9604 * doc/invoke.texi: Update that -fsee is not enabled by
9607 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9609 * omp-low.c (check_omp_nesting_restrictions): New function.
9610 (scan_omp_1): Call it.
9613 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9614 construct, return *VAR.
9616 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9618 PR rtl-optimization/27406
9619 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9622 2006-05-14 Roger Sayle <roger@eyesopen.com>
9624 PR rtl-optimization/27538
9625 * combine.c (expand_compound_operation): Call gen_lowpart
9626 before calling simplify_shift_const.
9628 2006-05-14 Roger Sayle <roger@eyesopen.com>
9630 PR rtl-optimization/22563
9631 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9632 a fixed width bitfield, always force the intermediates into psuedos.
9634 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9637 * mkconfig.sh: Use operator = instead of == for test.
9639 2006-05-13 Nick Clifton <nickc@redhat.com>
9641 * dwarf2out.c (dbx_reg_number): Check return value from
9642 LEAF_REG_REMAP and only use it if it is valid.
9643 (multiple_reg_loc_descriptor): Likewise.
9645 2006-05-13 Richard Guenther <rguenther@suse.de>
9647 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9650 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9652 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9653 information attached to non-INSNs such as NOTEs.
9654 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9656 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9658 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9660 * config/s390/s390.md: Adjust comment describing On constraint.
9662 2006-05-11 Jan Hubicka <jh@suse.cz>
9664 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9665 to be output at -O0.
9667 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9670 * fold-const.c (size_binop): Move sanity check for arguments to
9671 the beginning of the function.
9674 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9677 2006-05-11 Richard Guenther <rguenther@suse.de>
9680 * fold-const.c (fold_unary): Handle intermediate conversion
9681 to a pointer type like intermediate conversion to an integer
9682 type in folding of (T1)(T2)var to var.
9683 Match the code to the comment in the final conversion for
9684 (T1)(T2)var to (T1)var regarding to type precision. Rather
9685 than disallow T1 being of pointer type, assert that both T1
9686 and var are of pointer type or not. Make sure not to fall
9687 over the frontends lazyness wrt array to pointer decay though.
9689 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9691 * arm.c (arm_struct_value_rtx): Delete.
9692 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9693 (arm_init_cumulative_args): Always initialize nregs to zero.
9695 2006-05-10 Richard Guenther <rguenther@suse.de>
9697 PR tree-optimization/27532
9698 * tree-object-size.c (plus_expr_object_size): Fix typo.
9700 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9703 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9704 ashrdi_const, ashrdi3): Use a scratch register.
9706 2006-05-10 Richard Guenther <rguenther@suse.de>
9708 PR tree-optimization/27302
9709 * fold-const.c (operand_equal_p): For two comparisons,
9710 try comparison of one comparison code swapped if that yields
9713 2006-05-10 Ben Elliston <bje@au.ibm.com>
9715 * tree-pretty-print.c (pretty_print_string): No need to handle
9716 '\0' as a special character.
9718 * tree.h: Include "hashtab.h".
9719 (iterative_hash_expr): Use hashval_t in its prototype.
9720 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9722 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9725 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9726 (hppa*64*-*-hpux11*): Ditto.
9727 (hppa[12]*-*-hpux11*): Ditto.
9729 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9732 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9734 2006-05-09 Michael Matz <matz@suse.de>
9736 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9737 host_extra_gcc_objs and host_xmake_file.
9738 (<*-*-linux*>): Don't overwrite host_xmake_file.
9739 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9740 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9741 (host_detect_local_cpu): Declare.
9742 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9743 * config/i386/i386.c (override_options): Handle -mtune=native
9745 * config/i386/x-i386: New file.
9746 * config/i386/driver-i386.c: New file.
9747 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9750 2006-05-09 Dirk Mueller <dmueller@suse.de>
9751 Richard Guenther <rguenther@suse.de>
9754 * fold-const.c (fold_read_from_constant_string): Relax check
9755 for matching types to matching modes.
9757 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9759 PR rtl-optimization/27335
9760 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9763 2006-05-08 Chao-ying Fu <fu@mips.com>
9764 Richard Sandiford <richard@codesourcery.com>
9766 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9767 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9768 * config/mips/mips.md (UNSPEC_SCC): New constant.
9769 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9770 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9771 (mips_emit_compare): Use it.
9772 (mips_expand_vcondv2sf): New function.
9774 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9776 Fix PR tree-optimization/27093
9777 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9778 renaming when they become not-used_alone.
9780 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9782 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9783 relocation and relocation stubs.
9785 2006-05-08 Eric Christopher <echristo@apple.com>
9787 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9790 2006-05-08 Jan Hubicka <jh@suse.cz>
9793 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9794 unused static functions are needed.
9796 2006-05-08 Roger Sayle <roger@eyesopen.com>
9799 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9800 of a reg_equiv_constant if the result is a legitimate constant.
9802 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9805 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9806 standard 80387 constants, raise the cost to prevent
9807 compress_float_constant() to generate load from memory.
9809 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9811 * config/arm/constraints.md (c): Fix a typo.
9813 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9816 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9819 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9821 (_mm_mwait): Likewise.
9823 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9825 (sse3_monitor): Make it 32bit only.
9826 (sse3_monitor64): New. 64bit monitor.
9828 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9831 * config/i386/i386.c (classify_argument): Skip fields with invalid
9834 2006-05-07 Richard Guenther <rguenther@suse.de>
9836 PR tree-optimization/27409
9837 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9838 Do not try to find zero-sized subvars.
9840 2006-05-07 Richard Guenther <rguenther@suse.de>
9842 PR tree-optimization/27136
9843 * tree-ssa-loop-niter.c (get_val_for): Correct function
9844 comment, assert requirements.
9845 (loop_niter_by_eval): Stop processing if the iterated
9846 value did not simplify.
9848 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9850 * opts.c (flag_see): remove its setting at -O3.
9852 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9854 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9855 * arm/constraints.md: New file.
9856 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9857 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9858 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9859 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9860 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9861 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9862 * arm.md: Include constraints.md.
9863 (thumb_movsi_insn): Use satisfies_constraint_J.
9864 (movhi, movqi): Use satisfies_constraint_I.
9866 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9868 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9869 for atmeg a645 device.
9871 2006-05-06 Richard Guenther <rguenther@suse.de>
9873 PR tree-optimization/27151
9874 * tree-vect-transform.c (vectorizable_condition): Punt on
9875 values that have a different type than the condition.
9877 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9880 * c-parser.c (c_parser_cast_expression): Only insert casts into
9881 hash table if pointer.
9882 * function.c (used_types_insert_helper): Rename from
9884 (used_types_insert): Call used_types_insert_helper.
9885 * function.h (used_types_insert): Accept only one argument.
9887 2006-05-05 David Edelsohn <edesohn@gnu.org>
9889 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9890 scratch with output modifier.
9892 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9895 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9896 with output modifier.
9898 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9901 * config/mips/mips.c (mips_symbolic_address_p): Return true
9902 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9903 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9905 2006-05-04 Richard Guenther <rguenther@suse.de>
9907 PR tree-optimization/14287
9908 PR tree-optimization/14844
9909 PR tree-optimization/19792
9910 PR tree-optimization/21608
9911 PR tree-optimization/27090
9912 * tree-ssa-pre.c (try_combine_conversion): New function.
9913 (compute_avail): After constructing the value-handle
9914 expression, use try_combine_conversion to combine NOP_EXPRs
9915 with previous value-handle expressions and use the result if it
9918 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9920 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9922 2006-05-04 Jan Hubicka <jh@suse.cz>
9925 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9927 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9929 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9930 that this only matches CONST_INTs. All users changed to VOIDmode
9933 * config/bfin/bfin.c: Include "optabs.h".
9934 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9936 (enum bfin_builtins): Add a number of fractional and vector builtins.
9937 (bfin_init_builtins): Likewise.
9938 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9939 (safe_vector_operand, bfin_expand_binop_builtin,
9940 bfin_expand_unop_builtin): New functions.
9941 (bfin_expand_builtin): Handle the new builtins.
9942 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9945 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9948 * Makefile.in (OBJS-common): Add see.o.
9949 (see.o): Add dependencies.
9950 * common.opt (fsee): New flag for the see optimization was added.
9951 * opts.c (flag_see): Initialized.
9952 * passes.c (init_optimization_passes, pass_see): New pass.
9953 * rtl.h (see_main): Declaration as extern.
9954 * timevar.def (TV_SEE): New.
9955 * tree-pass.h (pass_see): Declaration as extern.
9956 * invoke.texi (-fsee): Document.
9957 * recog.c (validate_simplify_insn): New function.
9958 * recog.h (validate_simplify_insn): Declaration as extern.
9959 * df-problems.c (df_chain_dump): Check for NULL.
9961 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9962 Daniel Berlin <dberlin@dberlin.org>
9964 * cfgrtl.c (insert_insn_bb_end_new): New function.
9965 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9967 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9969 * df.h (struct web_entry): Moved from web.c.
9970 (union_defs): Declaration as extern.
9971 (unionfind_root): Likewise.
9972 (unionfind_union): Likewise.
9973 * web.c (struct web_entry): Moved to df.h.
9974 (unionfind_root): Remove static declaration.
9975 (unionfind_union): Likewise.
9976 (union_defs): Likewise and generalize to use callback function.
9977 (web_main): Update arguments for union_defs function call.
9979 2006-05-04 Richard Guenther <rguenther@suse.de>
9981 PR tree-optimization/26447
9982 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9983 produce SSA_NAME copies before the store stmt to avoid
9984 breaking exception handling.
9986 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9989 * gimplify.c (omp_is_private): If var is shared in some outer context,
9990 return false instead of true. Stop searching on parallel context
9993 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9996 * coverage.c: Use get_gcov_unsigned_t() instead of
9997 unsigned_type_node all over.
9999 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
10001 PR tree-optimization/27381
10002 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
10003 maintain the same immediate_use links.
10004 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
10005 node rather than segfaulting.
10007 2006-05-03 Jakub Jelinek <jakub@redhat.com>
10010 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
10011 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
10012 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
10014 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
10016 Fix PR tree-optimization/26626
10017 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
10019 * tree-ssa-operands.c (access_can_touch_variable): Allow
10020 typecasting through union pointers.
10022 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10025 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
10026 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
10027 to find if var will be a global variable even in the nested context.
10028 (omp_copy_decl): Only check for global variable at the end, it might
10029 be overridden in outer contexts.
10030 (scan_sharing_clauses): For global variables don't create a field.
10031 (lower_rec_input_clauses): Do nothing for global shared variables.
10032 Emit a barrier at the end of ILIST if there were any decls in both
10033 firstprivate and lastprivate clauses.
10034 (lower_send_clauses): Do nothing for global variables except for
10037 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
10039 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
10040 of the correct signedness is returned.
10042 2006-05-02 Jeff Law <law@redhat.com>
10044 PR tree-optimization/27364
10045 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
10046 multiply expressions.
10048 2006-05-02 Tom Tromey <tromey@redhat.com>
10050 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
10052 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
10055 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
10056 -mthumb -fPIC are used.
10058 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
10059 Joshua Kinard <kumba@gentoo.org>
10062 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
10063 with 64-bit pointers.
10065 2006-05-02 Paul Brook <paul@codesourcery.com>
10067 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
10069 (create_fix_barrier): Check that a suitable barrier location is
10071 (arm_reorg): Include ftmp->address in allowable range of addresses.
10073 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
10076 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
10079 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10081 PR middle-end/27337
10082 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
10083 around RESULT_DECL for result passed by reference.
10084 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
10085 * omp-low.c (use_pointer_for_field): Don't look at
10086 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
10087 (scan_omp_1): Call remap_decl on RESULT_DECLs.
10088 (lower_rec_input_clauses): Don't allocate VLA memory for the second
10089 time or var for passing by reference for
10090 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
10091 TREE_ADDRESSABLE variables when passing by reference.
10093 * omp-low.c (dump_omp_region): Fix output formatting.
10095 PR middle-end/27328
10096 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
10097 (expand_omp_parallel): Likewise.
10098 * tree-cfg.c (move_sese_region_to_fn): Likewise.
10100 PR middle-end/27325
10101 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
10102 on statement list containing also constructors and destructors.
10103 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
10105 PR middle-end/27310
10106 * except.c (duplicate_eh_regions): Fix clearing of
10107 cfun->eh->region_array entries.
10109 2006-05-01 DJ Delorie <dj@redhat.com>
10111 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
10113 (gcc_cv_objdump): Likewise.
10114 * configure: Regenerated.
10116 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
10119 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
10120 templates for case 3 and 4.
10122 2006-05-01 DJ Delorie <dj@redhat.com>
10124 * vec.c: Include bconfig.h when appropriate.
10125 * Makefile.in (build/vec.o): Adjust dependencies.
10126 * mkconfig.sh: Make sure config.h isn't used for build machine
10129 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10131 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
10133 (mark_phi_for_rewrite): New function.
10134 (insert_phi_nodes_for, mark_use_interesting): Call
10135 mark_phi_for_rewrite.
10136 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
10137 (update_ssa): Initialize and free phis_to_rewrite.
10139 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10141 PR rtl-optimization/27291
10142 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
10143 folded to a constant.
10145 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10147 PR tree-optimization/27283
10148 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
10149 not whole # of iteration descriptions.
10150 (niter_for_exit): Return just # of iterations. Fail if # of iterations
10151 uses abnormal ssa name.
10152 (niter_for_single_dom_exit): Ditto.
10153 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
10154 return just the number of iterations.
10156 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10158 PR tree-optimization/27144
10159 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
10160 (record_estimate): Only record constant upper bound.
10161 (infer_loop_bounds_from_undefined): Call
10162 compute_estimated_nb_iterations just once.
10163 (proved_non_wrapping_p): Renamed to ...
10164 (n_of_executions_at_most): ... this. Expect bound to be a constant.
10165 (convert_step_widening, scev_probably_wraps_p): Call
10166 n_of_executions_at_most instead of proved_non_wrapping_p.
10167 (substitute_in_loop_info): Do not replace values in bounds.
10168 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
10171 2006-05-01 Richard Henderson <rth@redhat.com>
10174 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
10175 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
10178 2006-05-01 Roger Sayle <roger@eyesopen.com>
10180 * c-typeck.c (parser_build_binary_op): Don't call the function
10181 unsigned_conversion_warning to spot operand/result type overflow.
10182 (build_binary_op): Instead, call convert_and_check instead of
10183 convert to report the problem when the operands are promoted.
10184 * c-common.c (unsigned_conversion_warning): Make static.
10185 * c-common.h (unsigned_conversion_warning): Delete prototype.
10187 2006-05-01 Richard Guenther <rguenther@suse.de>
10189 PR tree-optimization/26726
10190 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
10192 (find_interesting_uses_address): ... we work around here
10193 by folding INDIRECT_REFs in the substituted base.
10195 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10197 * omp-low.c (dump_omp_region): Add newlines.
10199 2006-04-30 Roger Sayle <roger@eyesopen.com>
10201 * common.opt (Woverflow): New command line option.
10202 * c-common.c (constant_expression_warning): Check warn_overflow.
10203 (overflow_waring): Pass OPT_Woverflow to warning.
10204 (unsigned_conversion_warning): Likewise.
10205 (convert_and_check): Likewise.
10206 * doc/invoke.texi: Document new command line option.
10208 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10210 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10211 TARGET_NO_FP_IN_TOC for section anchors.
10212 (optimization_options): Enable section anchors for all
10213 non-"Objective" languages.
10215 2006-04-28 Eric Christopher <echristo@apple.com>
10217 * config/darwin-c.c (darwin_ms_struct): Move this
10218 (darwin_set_default_type_attributes): and this...
10219 * config/darwin.c: ... here.
10220 * config/darwin.h (darwin_ms_struct): Declare.
10222 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10224 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10226 2006-04-28 Roger Sayle <roger@eyesopen.com>
10229 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10230 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10231 an unsigned HOST_WIDE_INT.
10232 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10234 (really_start_incremental_init): No need to call convert because
10235 bitsize_zero_node is already of type bitsizetype.
10236 (push_init_level): Extract the value of constructor_index as an
10237 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10238 (process_init_element): Likewise.
10240 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10242 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10243 value before passing to make_relative_prefix.
10245 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10247 PR middle-end/27260
10248 * builtins.c (expand_builtin_memset): Expand val in original mode.
10250 2006-04-27 Eric Christopher <echristo@apple.com>
10252 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10253 with #ifndef/#endif.
10254 * config/darwin-c.c (darwin_ms_struct): New.
10255 (darwin_pragma_ms_struct): Ditto.
10256 (darwin_set_default_type_attributes): Ditto.
10257 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10258 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10259 Register ms_struct pragma.
10260 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10261 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10262 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10263 darwin_set_default_type_attributes if TARGET_MACHO.
10265 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10267 PR tree-optimization/26854
10268 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10269 * doc/tree-ssa.texi: Update immuse iterator documentation.
10270 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10271 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10272 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10273 first_safe_imm_use, next_safe_imm_use): Remove.
10274 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10275 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10276 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10277 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10278 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10279 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10280 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10281 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10282 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10283 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10284 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10285 (perfect_nestify): Use new iterator.
10286 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10288 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10289 (next_imm_name): New field in struct immediate_use_iterator_d.
10290 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10291 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10292 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10293 * tree-cfg.c (replace_uses_by): Use new iterator.
10294 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10295 * tree-ssa-operands.c (correct_use_link): Remove.
10296 (finalize_ssa_use_ops): No longer call correct_use_link.
10298 2006-04-27 Stuart Hastings <stuart@apple.com>
10300 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10301 * config/t-darwin (crt3.o): Use it.
10302 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10303 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10304 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10305 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10306 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10309 2006-04-27 Roger Sayle <roger@eyesopen.com>
10311 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10312 size, force the intermediate into a new pseudo rather instead of
10313 performing both a bitwise AND and a bitwise IOR in memory.
10315 2006-04-27 Richard Guenther <rguenther@suse.de>
10317 PR rtl-optimization/26685
10318 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10319 this one "max-flow-memory-locations".
10321 2006-04-27 Richard Guenther <rguenther@suse.de>
10323 PR tree-optimization/25148
10324 * tree-vrp.c (compare_values): Remove code dealing with
10325 comparisons against type min/max value. Honour overflow
10326 and negative constants in code dealing with comparisons
10327 of plus and minus expressions.
10328 (value_inside_range): Use fold_binary with LE_EXPR and
10329 GE_EXPR rather than compare_values.
10331 2006-04-27 Dirk Mueller <dmueller@suse.de>
10333 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10336 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10338 * basic-block.h (safe_insert_insn_on_edge): Removed.
10339 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10341 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10342 Paolo Bonzini <bonzini@gnu.org>
10344 PR middle-end/27282
10345 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10346 (simplify_and_const_int): Same.
10348 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10350 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10352 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10355 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10356 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10357 cgraph_global_info_ready.
10359 PR middle-end/26913
10360 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10363 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10364 either decl or init is error_mark_node.
10366 PR middle-end/25989
10367 * tree-flow.h (struct omp_region): Add sched_kind.
10368 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10369 instead of extracting omp for data.
10370 (expand_omp_for): Save extracted sched_kind.
10372 2006-04-25 Roger Sayle <roger@eyesopen.com>
10374 * expmed.c (store_bit_field): Also check whether the bitsize is
10375 valid for the machine's "insv" instruction before moving the
10376 target into a pseudo for use with the insv.
10377 * config/i386/predicates.md (const8_operand): New predicate.
10378 * config/i386/i386.md (extv, extzv, insv): Use the new
10379 const8_operand predicate where appropriate.
10381 2006-04-25 DJ Delorie <dj@redhat.com>
10383 * doc/install.texi (Specific): Clarify that this is not a list of
10384 supported hosts or targets.
10386 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10388 PR rtl-optimization/26725
10389 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10390 block's BB_DIRTY flag.
10392 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10394 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10397 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10398 to print an integer.
10400 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10402 * varasm.c (align_variable): New function.
10403 (get_block_for_decl): Apply align_variable to DECL before
10404 calculating section information.
10405 (assemble_variable): Split out alignment computation.
10407 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10409 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10412 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10414 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10415 MODE_PARTIAL_INT mode.
10416 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10417 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10419 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10420 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10422 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10424 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10426 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10427 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10428 MACFLAG_IH): Likewise.
10429 (movstricthi_1): Renamed from "*movstricthi".
10430 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10431 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10432 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10433 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10434 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10435 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10436 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10437 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10438 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10439 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10440 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10441 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10442 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10443 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10444 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10446 * doc/rtl.texi (ss_ashift): Improve wording.
10448 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10450 * dwarf2out.c (verify_marks_clear): New.
10451 (prune_unused_types): Call verify_marks_clear initially, not
10454 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10456 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10457 * doc/rtl.texi: Document them.
10458 * simplify-rtx.c (simplify_unary_operation,
10459 simplify_binary_operation_1): Don't abort when we see them.
10461 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10464 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10465 * configure.ac: Completely disregard languages that are not
10467 * configure: Regenerated.
10469 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10470 Richard Guenther <rguenther@suse.de>
10472 PR tree-optimization/27236
10473 * tree-inline.c (copy_body_r): Make sure to copy
10474 TREE_THIS_VOLATILE flag.
10476 2006-04-24 Richard Guenther <rguenther@suse.de>
10478 PR middle-end/26869
10479 * tree-complex.c (update_parameter_components): Don't handle
10480 unused parameters which have no default def.
10482 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10483 Richard Guenther <rguenther@suse.de>
10485 PR tree-optimization/27218
10486 * tree-inline.c (expand_call_inline): Strip useless type
10487 conversions for the return slot address.
10489 2006-04-24 Richard Guenther <rguenther@suse.de>
10491 * cfgloop.h (struct loops): Remove unused field array. Reorder
10493 (LOOP_PREFETCH): Remove.
10495 2006-04-24 Richard Guenther <rguenther@suse.de>
10497 PR tree-optimization/22525
10498 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10499 variable, adjust types of generated expressions.
10501 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10503 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10504 (tree-vect-patterns.o): Likewise.
10505 (jump.o): Likewise.
10506 (cselib.o): Likewise.
10507 (loop-doloop.o): Likewise.
10508 (regclass.o): Likewise.
10509 (reload1.o): Likewise.
10510 (explow.o): Replace target.h with $(TARGET_H).
10511 (ipa-prop.o): Likewise.
10512 (ipa-cp.o): Likewise.
10513 (ipa-inline.o): Likewise.
10514 (reorg.o): Likewise.
10515 (reg-stack.o): Likewise.
10517 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10519 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10521 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10523 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10525 * configure.ac: Completely disregard languages that are not
10527 * configure: Regenerated.
10530 * c-common.h (c_build_bitfield_integer_type): Declare.
10531 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10532 * c-common.c (c_build_bitfield_integer_type): ... here.
10534 2006-04-23 Roger Sayle <roger@eyesopen.com>
10537 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10538 a SImode SUBREG of a floating point register after no_new_pseudos.
10540 2006-04-23 Roger Sayle <roger@eyesopen.com>
10542 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10543 identify potentially eliminable registers to additionally catch
10544 VIRTUAL_INCOMING_ARGS_REGNUM.
10545 (addsi3): Update the conditions on when to use addsi_small_int.
10547 2006-04-23 Roger Sayle <roger@eyesopen.com>
10550 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10551 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10552 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10554 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10556 * fold-const.c (range_predecessor): Use operand_equal_p
10557 as the predicate for equality.
10558 (range_successor): Likewise.
10560 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10563 * config/soft-fp/op-common.h: Fix a typo.
10565 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10567 PR libmudflap/26864
10568 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10569 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10571 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10573 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10575 * doc/tm.texi: Fix a typo.
10577 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10579 * dwarf2out.c (struct die_struct): Document that die_sib makes
10580 a circular linked list.
10581 (FOR_EACH_CHILD): New.
10582 (reverse_die_lists): Delete.
10583 (reverse_all_dies): Delete.
10584 (add_dwarf_attr): Correct documentation.
10585 (remove_child_with_prev): New.
10586 (remove_child_TAG): Update for change to die_struct, use
10587 remove_child_with_prev.
10588 (add_child_die): Update for change to die_struct.
10589 (splice_child_die): Use remove_child_with_prev and add_child_die.
10590 (print_die): Use FOR_EACH_CHILD.
10591 (die_checksum): Likewise.
10592 (assign_symbol_names): Likewise.
10593 (output_location_lists): Likewise.
10594 (build_abbrev_table): Likewise.
10595 (calc_die_sizes): Likewise.
10596 (mark_dies): Likewise.
10597 (unmark_dies): Likewise.
10598 (unmark_all_dies): Likewise.
10599 (output_die): Likewise.
10600 (prune_unused_types_mark): Likewise.
10601 (prune_unused_types_walk): Likewise.
10602 (same_die_p): Update for change to die_struct.
10603 (break_out_includes): Likewise.
10604 (prune_unused_types_prune): Likewise.
10605 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10606 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10607 it's already clear.
10608 (dwarf2out_finish): Don't call reverse_all_dies.
10610 2006-04-21 Eric Christopher <echristo@apple.com>
10612 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10613 in comments and function names.
10615 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10618 * c-typeck.c (digest_init): Robustify.
10620 * c-typeck.c (pop_init_level): Simplify.
10622 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10624 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10626 2006-04-21 Paul Brook <paul@codesourcery.com>
10628 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10629 hardware floating point.
10631 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10633 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10636 2006-04-21 Nick Clifton <nickc@redhat.com>
10638 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10641 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10644 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10645 C++ lang type in traceback table for Objective-C++.
10647 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10649 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10651 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10653 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10656 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10657 were errors. Remove check for erroneous objects.
10659 2006-04-20 Jeff Law <law@redhat.com>
10661 PR tree-optimization/26854
10662 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10663 checking for zero or one use.
10664 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10665 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10666 * tree-ssa-reassoc.c (negate_value): Similarly.
10667 (reassociate_bb): Similarly.
10669 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10671 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10672 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10673 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10675 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10677 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10678 fp regs if the last fp arg doesn't fit in regs.
10680 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10683 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10684 that the last insn has the REG_INC note.
10686 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10687 Nathan Sidwell <nathan@codesourcery.com>
10690 * stor-layout.c (update_alignment_for_field): Do not align
10692 (place_union_field): Place union field at the start of the union.
10693 (place_field): Move ERROR_MARK check later, and use the current
10694 allocation position to maintain monotonicity.
10696 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10698 * dominance.c: Include timevar.h.
10699 (calculate_dominance_info): Use TV_DOMINANCE.
10700 * timevar.def (TV_DOMINANCE): New timevar.
10701 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10703 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10705 PR rtl-optimization/14261
10706 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10707 move would be an INSV insn.
10708 (noce_process_if_block): Don't optimize if the destination is a
10709 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10711 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10713 * config/s390/s390.md: Add comments with the instructions emitted
10714 by an insn pattern if macros are used.
10716 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10718 PR rtl-optimization/26026
10719 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10720 is a known power of two shifted left a variable amount.
10722 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10724 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10725 to hash table twice when the debug_str section has SECTION_MERGE.
10727 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10729 * config/soft-fp: New directory. From glibc.
10730 * config/soft-fp/t-softfp: New.
10731 * config/soft-fp/README: New.
10732 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10733 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10734 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10735 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10736 * config.gcc: Use rs6000/t-fprules-fpbit or
10737 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10739 * config/rs6000/sfp-machine.h: New. Based on glibc.
10740 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10742 * config/rs6000/t-fprules: Remove fp-bit rules.
10743 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10744 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10745 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10746 (softfp_wrap_start, softfp_wrap_end): New.
10748 2006-04-18 DJ Delorie <dj@redhat.com>
10750 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10752 2006-04-18 Devang Patel <dpatel@apple.com>
10754 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10756 2006-04-18 Nick Clifton <nickc@redhat.com>
10758 * config/sh/t-symbian: Add rule to build sh-c.o
10759 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10760 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10761 (sh_symbian_encode_section_info): Likewise.
10763 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10765 * builtins.c (expand_builtin_strcmp): Cover label definition of
10766 do_libcall with HAVE_cmpstrnsi.
10768 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10770 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10772 * function.h (temp_slot_p): New.
10773 (function): Change the type of x_used_temp_slots to
10774 VEC(temp_slot_p,gc) *.
10776 2006-04-18 Nick Clifton <nickc@redhat.com>
10778 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10779 flag_strength_reduce.
10781 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10783 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10787 Partial revert of revision 112637
10788 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10789 Dale Johannesen <dalej@apple.com>
10792 * regclass.c (struct reg_pref): Update documentation.
10793 (regclass): Set prefclass to NO_REGS if memory is the best option.
10794 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10796 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10798 PR tree-optimization/26821
10799 * tree-ssa-math-opts.c (get_constant_one): New.
10800 (insert_reciprocals): Use it.
10802 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10804 * dwarf2out.c (free_AT): Delete.
10805 (remove_AT): Update string ref counts.
10806 (remove_child_TAG): Don't call free_die.
10807 (free_die): Delete.
10808 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10809 or DW_TAG_GNU_EINCL.
10810 (prune_unused_types_walk_attribs): Reset string refcounts.
10811 (prune_unused_types_update_strings): New.
10812 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10813 call free_die. Do call prune_unused_types_update_strings.
10814 (prune_unused_types): Empty debug_str_hash.
10816 2006-04-17 Roger Sayle <roger@eyesopen.com>
10818 * expr.c (expand_assignment): Optimize away no-op moves where the
10819 source and destination are equal and have no side-effects.
10821 2006-04-17 Richard Guenther <rguenther@suse.de>
10824 * reload.c (push_reload): Guard calls to get_secondary_mem
10825 for memory subregs.
10827 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10829 * alias.c (reg_base_value, old_reg_base_value): Change the
10830 type to VEC(rtx,gc) *.
10831 (REG_BASE_VALUE, find_base_value, record_set,
10832 init_alias_analysis): Use VEC instead of VARRAY.
10834 * alias.c (alias_sets): Change the type to
10835 VEC(alias_set_entry,gc) *.
10836 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10837 VEC instead of VARRAY.
10838 (last_alias_set): Remove.
10840 * cgraph.h (cgraph_edge_p): New.
10841 Update the prototype of cgraph_function_versioning.
10842 * cgraphunit.c (cgraph_copy_node_for_versioning,
10843 cgraph_function_versioning): Use VEC instead of VARRAY.
10844 * ipa-cp.c (ipcp_insert_stage): Likewise.
10846 2006-04-16 Roger Sayle <roger@eyesopen.com>
10849 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10850 "A op B" or "A op C", we may need to convert A to the type of B and C.
10852 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10854 * target.h (struct gcc_target): Add mode_rep_extended.
10855 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10856 (init_num_sign_bit_copies_in_rep): Initialize it using
10858 (truncate_to_mode): Use it.
10859 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10860 * targhooks.h (default_mode_rep_extended): Declare it.
10861 * targhooks.c (default_mode_rep_extended): Define it.
10862 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10863 default_mode_rep_extended.
10864 (TARGET_INITIALIZER): Include it.
10865 * doc/tm.texi (Misc): Document it.
10866 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10867 (mips_truncated_to_mode): New function.
10869 2006-04-16 Roger Sayle <roger@eyesopen.com>
10871 PR middle-end/25474
10872 * expr.c (compress_float_constant): Copy the narrow constant into
10873 a new pseudo before extending it to its final width.
10875 2006-04-16 Roger Sayle <roger@eyesopen.com>
10876 Andrew Pinski <pinskia@gcc.gnu.org>
10877 Dale Johannesen <dalej@apple.com>
10880 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10881 special case code to implement V8HImode and V16QImode with SSE2.
10883 2006-04-15 Roger Sayle <roger@eyesopen.com>
10885 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10886 trees are constructed with a suitable tree type.
10888 2006-04-15 Roger Sayle <roger@eyesopen.com>
10890 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10891 (integer_onep): Likewise.
10892 (integer_all_onesp): Likewise.
10893 (integer_pow2p): Likewise.
10894 (integer_nonzerop): Likewise.
10895 (real_zerop): Likewise.
10896 (real_onep): Likewise.
10897 (real_twop): Likewise.
10898 (real_minus_onep): Likewise.
10899 (int_size_in_bytes): Likewise.
10900 (host_integerp): Likewise.
10902 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10904 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10905 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10906 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10908 * tree-ssa-structalias.h (alias_info): Remove num_references.
10910 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10912 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10913 (output_bvb patterns): Likewise.
10914 * pa.c (output_bb): Use 'bb' insn for long branch case.
10915 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10916 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10917 1. Correct length operand for alternatives 1 and 2.
10918 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10919 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10921 2006-04-14 Roger Sayle <roger@eyesopen.com>
10923 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10924 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10925 were accidentally reverted by r112959.
10927 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10929 PR middle-end/26823
10930 * except.h (eh_region_outermost): New prototype.
10931 * except.c (eh_region_outermost): New function.
10932 * tree-cfg.c (find_outermost_region_in_block): Use it.
10934 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10936 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10938 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10939 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10940 (init_reload, reload): Use VEC instead of VARRAY.
10941 * reload.h: Update the prototype for
10942 reg_equiv_memory_loc_varray.
10944 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10945 Eric Botcazou <ebotcazou@libertysurf.fr>
10947 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10948 register save area.
10950 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10952 PR middle-end/27134
10953 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10954 to expand fallback builtin function call.
10956 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10958 PR middle-end/27095
10959 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10960 and emit libcall here in case the builtin fails.
10961 (expand_builtin_strcmp): Always emit the libcall here on failure.
10963 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10965 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10966 * flow.c (reg_n_info): Change the type to
10967 VEC(reg_info_p,heap) *.
10968 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10970 * regs.h (reg_info_p): New.
10971 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10972 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10973 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10976 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10978 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10980 * params.h (MAX_SCHED_READY_INSNS): New macro.
10981 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10982 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10983 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10984 the ready list for 1 cycle during the first scheduling pass.
10985 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10987 2006-04-13 Richard Henderson <rth@redhat.com>
10990 * gimple-low.c (lower_omp_directive): Remove dead code.
10991 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10992 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10993 * omp-low.c (struct omp_region): Move to tree-flow.h.
10994 (root_omp_region): Export.
10995 (omp_regions, lookup_omp_region): Remove.
10996 (determine_parallel_type): Update for struct omp_region changes.
10997 (dump_omp_region): Dump regions with block numbers.
10998 (new_omp_region): Take type and block instead of stmt; malloc
11000 (free_omp_region_1, free_omp_regions): New.
11001 (expand_parallel_call): Take entry_stmt as argument; update for
11002 changes to omp_region.
11003 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
11004 (remove_exit_barriers): New.
11005 (expand_omp_parallel): Update for struct omp_region changes.
11006 (expand_omp_synch): Likewise.
11007 (expand_omp): Likewise.
11008 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
11009 (expand_omp_for_static_chunk): Likewise.
11010 (expand_omp_for): Likewise.
11011 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
11012 (expand_omp_sections): Similarly, with GOMP_sections_end.
11013 (expand_omp_single): New.
11014 (build_omp_regions_1): Update for OMP_CONTINUE.
11015 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
11016 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
11017 OMP_SECTIONS_SECTIONS.
11018 (lower_omp_single_simple): Don't emit barrier here.
11019 (lower_omp_single_copy): Likewise.
11020 (lower_omp_single): Fix bindings, and lower to straightline now.
11021 (lower_omp_master, lower_omp_ordered): Likewise.
11022 (lower_omp_critical): Likewise.
11023 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
11024 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
11025 omp edges, free it afterward.
11026 (make_omp_sections_edges): Remove.
11027 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
11028 (move_stmt_r): Handle OMP_CONTINUE.
11029 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
11030 statement pointers to basic blocks. Add type member.
11031 (root_omp_region, new_omp_region, free_omp_regions): Declare.
11032 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
11033 * tree-inline.c (estimate_num_insns_1): Likewise.
11034 * tree-pretty-print.c (dump_generic_node): Likewise.
11035 * tree-ssa-operands.c (get_expr_operands): Likewise.
11036 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
11037 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
11038 (OMP_CONTINUE): New.
11039 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
11040 (OMP_SECTIONS_SECTIONS): Remove.
11041 (OMP_SECTION_LAST): New.
11042 (OMP_RETURN_NOWAIT): New.
11044 2006-04-13 Roger Sayle <roger@eyesopen.com>
11046 * fold-const.c (native_encode_vector, native_interpret_real):
11047 Correct obvious mistakes in the previous check-in.
11049 2006-04-13 Roger Sayle <roger@eyesopen.com>
11051 * fold-const.c (native_encode_expr): New function to encode
11052 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
11053 or VECTOR_CST into a specified buffer.
11054 (native_encode_int): New function.
11055 (native_encode_real): New function.
11056 (native_encode_complex): New function.
11057 (native_encode_vector): New function.
11058 (native_interpret_expr): Inverse of native_encode_expr to convert
11059 a target representation into an INTEGER_CST, REAL_CST etc...
11060 (native_interpret_int): New function.
11061 (native_interpret_real): New function.
11062 (native_interpret_complex): New function.
11063 (native_interpret_vector): New function.
11064 (fold_view_convert_expr): New function to constant fold/evaluate
11065 a VIEW_CONVERT_EXPR of a suitable constant expression.
11066 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
11067 Change call of build1 to fold_build1 when constructing a
11070 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
11071 Ulrich Weigand <uweigand@de.ibm.com>
11074 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
11077 2006-04-13 Alan Modra <amodra@bigpond.net.au>
11080 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
11081 optimize to lo_sum for DFmode if !TARGET_FPRS.
11083 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11085 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
11086 delete_alias_info, compute_flow_sensitive_aliasing,
11087 group_aliases): Use VEC instead of VARRAY.
11088 * tree-ssa-structalias.c (update_alias_info): Likewise.
11089 * tree-ssa-structalias.h (alias_info): Change the type of
11090 processed_ptrs to VEC(tree,heap) *.
11092 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
11095 * config/sh/lib1funcs.h: New file, broken out of:
11096 * config/sh/lib1funcs.asm.
11097 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
11099 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
11100 * config/sh/lib1funcs-Os-4-200.asm: New file.
11101 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
11102 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
11103 (EXTRA_MULTILIB_PARTS): Include it.
11104 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
11105 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
11106 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
11107 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
11110 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11112 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
11113 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
11114 tpa_compact, root_var_init, type_var_init): Use VEC instead of
11116 * tree-ssa-live.h: Include vecprim.h.
11117 (tree_partition_associator_d): Change the type of
11118 first_partition to VEC(int,heap) *.
11119 (tpa_first_partition): Use VEC instead of VARRAY.
11121 * Makefile.in (GTFILES): Move functions.h after tree.h.
11122 * function.c (reset_block_changes, record_block_change,
11123 check_block_change, free_block_changes): Use VEC instead of
11125 * function.h (function): Change the type of
11126 ib_boundaries_block to VEC(tree,gc) *.
11127 * tree-inline.c (copy_cfg_body): Initialize
11128 ib_boundaries_block to NULL instead of (varray_type) 0.
11130 2006-04-12 Roger Sayle <roger@eyesopen.com>
11132 * expr.c (emit_group_store): Correct operand order in call to
11133 subreg_lowpart_offset. Always create paradoxical SUBREGs with
11134 a SUBREG_BYTE of zero.
11136 2006-04-12 Richard Guenther <rguenther@suse.de>
11138 * profile.c (compute_branch_probabilities): Remove code
11139 encapsulated in !ir_type (), which are remanents of the
11140 removed RTL profiling code.
11141 * rtl-profile.c: Remove.
11143 2006-04-12 Alan Modra <amodra@bigpond.net.au>
11145 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
11146 magic NULL_RTX comment.
11147 (function_arg): Store entire fp arg to mem if any part should go
11149 (rs6000_arg_partial_bytes): Adjust for above change.
11151 2006-04-11 Roger Sayle <roger@eyesopen.com>
11153 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
11154 if it hasn't been initialized by dwarf2out_init.
11156 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
11158 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
11159 symbolic constants in branch patterns.
11161 2006-04-11 Roger Sayle <roger@eyesopen.com>
11163 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
11165 2006-04-11 Richard Sandiford <richard@codesourcery.com>
11167 PR rtl-optimization/27073
11168 * gcse.c (try_replace_reg): Revert last change. Continue to search
11169 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
11172 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
11174 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
11175 aggregate types other than record and union types.
11176 (function_arg): Likewise.
11177 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
11179 (function_value): In 64-bit mode, return objects that require it
11182 2006-04-11 Roger Sayle <roger@eyesopen.com>
11184 * dwarf2out.c (premark_used_types): Remove problematic prototype.
11186 2006-04-11 Jakub Jelinek <jakub@redhat.com>
11188 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
11190 2006-04-03 Jeff Law <law@redhat.com>
11193 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11194 alias information too.
11196 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11198 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11200 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11203 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11204 (premark_used_types_helper): New.
11205 (premark_used_types): New.
11206 (gen_subprogram_die): Call premark_used_types.
11207 (prune_unused_types_walk): Do not prune perennial dies.
11208 * function.c (used_types_insert): New.
11209 * function.h (struct function): Add used_types_hash field.
11210 (used_types_insert): Add prototype.
11211 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11212 * c-parser.c (c_parser_cast_expression): Save casted types in used
11215 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11218 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11219 rs6000_explicit_options.float_gprs.
11221 2006-04-10 Roger Sayle <roger@eyesopen.com>
11223 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11224 from ix86_expand_vector_init_low_nonzero. Take an additional
11225 one_var argument indicating which element is non-zero. Support
11226 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11227 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11228 with one_var instead of ix86_expand_vector_init_low_nonzero.
11230 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11232 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11233 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11234 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11235 build/genextract.o): Depend on vecprim.h.
11236 * cfglayout.c, df-problems.c, function.c, genextract.c,
11237 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11238 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11242 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11244 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11245 Declare VECs of this type.
11246 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11247 (remove_children): Delete.
11248 (add_dwarf_attr): Use VEC routines.
11249 (add_AT_flag): Update for changes to add_dwarf_attr.
11250 (add_AT_int): Likewise.
11251 (add_AT_unsigned): Likewise.
11252 (add_AT_long_long): Likewise.
11253 (add_AT_vec): Likewise.
11254 (add_AT_string): Likewise.
11255 (add_AT_die_ref): Likewise.
11256 (add_AT_fde_ref): Likewise.
11257 (add_AT_loc): Likewise.
11258 (add_AT_loc_list): Likewise.
11259 (add_AT_addr): Likewise.
11260 (add_AT_lbl_id): Likewise.
11261 (add_AT_lineptr): Likewise.
11262 (add_AT_macptr): Likewise.
11263 (add_AT_offset): Likewise.
11264 (add_AT_range_list): Likewise.
11265 (get_AT): Use VEC_iterate.
11266 (remove_AT): Use VEC_ordered_remove.
11267 (free_die): Fold remove_children into here; have it use VEC_iterate.
11268 (print_die): Use VEC_iterate on attrs.
11269 (reverse_die_lists): Don't reverse attr lists.
11270 (die_checksum): Use VEC_iterate on attrs.
11271 (same_die_p): Likewise.
11272 (output_location_lists): Likewise.
11273 (build_abbrev_table): Likewise.
11274 (size_of_die): Likewise.
11275 (unmark_all_dies): Likewise.
11276 (output_abbrev_section): Likewise.
11277 (output_die): Likewise.
11278 (prune_unused_types_walk_attribs): Likewise.
11280 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11282 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11284 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11287 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11289 2006-04-09 Roger Sayle <roger@eyesopen.com>
11291 * expr.c (store_constructor): Don't bother clearing target if
11292 we're about to assign a vector to it using vec_init_optab.
11294 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11296 * tree-ssa-alias.c (lhs_may_store_to): New function.
11297 (recalculate_used_alone): Handle LHS of calls.
11299 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11303 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11304 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11305 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11306 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11307 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11308 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11309 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11310 stubs. Add ".align 8" directives before all ".dword" directives.
11311 (GTHREAD_USE_WEAK): Revise comment.
11312 (TARGET_ATTRIBUTE_WEAK): Define.
11313 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11314 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11315 * stublib.c: New file.
11320 * pa.md (cbranch patterns): Revise arguments used in calls to
11321 output_cbranch, output_bb and output_bvd. Add long branch length
11323 (fbranch patterns): Handle long branches.
11324 (jump): Revise length check. Revise arguments for output_lbranch call.
11325 Add long branch length attributes.
11326 (decrement_and_branch_until_zero): Add long branch length attributes.
11327 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11328 Likewise. Revise arguments for output_parallel_addb and
11329 output_parallel_movb calls.
11330 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11331 output_parallel_movb and output_parallel_addb): Update prototypes.
11332 * pa.c (output_cbranch): Revise arguments. Correct handling of
11333 nullification in long branches.
11334 (output_lbranch): Add new argument to control extraction of delay
11336 (output_bb): Handle long branches.
11337 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11338 output_parallel_addb): Likewise.
11340 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11342 PR rtl-optimization/27073
11343 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11346 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11348 * tree.h (tree_memory_tag): Add old_used_alone.
11349 (SMT_OLD_USED_ALONE): New macro.
11350 * tree-ssa-alias.c (recalculate_used_alone): Stop
11351 marking things for renaming unnecessarily.
11353 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11355 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11356 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11357 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11358 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11359 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11360 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11361 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11362 spelling convensions.
11363 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11364 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11365 typos. Follow spelling conventions.
11367 2006-04-07 DJ Delorie <dj@redhat.com>
11369 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11370 passed on the stack.
11371 (m32c_init_cumulative_args): When a function returns a structure,
11372 always pass the pointer to that return area on the stack.
11373 (m32c_function_arg_advance): Don't increment the parameter number
11374 if we're processing the returned structure pointer.
11375 (pushm_info): Reverse order of registers.
11377 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11379 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11380 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11381 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11382 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11383 build_int_cst_type.
11384 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11385 chrec_fold_multiply): Same.
11386 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11387 force_expr_to_var_cost): Same.
11388 * tree-mudflap.c (mf_xform_derefs_1): Same.
11389 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11391 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11393 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11394 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11397 2006-04-07 Jan Hubicka <jh@suse.cz>
11399 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11401 2006-04-07 Richard Guenther <rguenther@suse.de>
11403 PR tree-optimization/26135
11404 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11405 loads for store copy-prop.
11406 (copy_prop_visit_stmt): Likewise.
11408 2006-04-05 Robert Millan <robertmh@gnu.org>
11410 * config/i386/linux.h: Add a comment to mark macros that are
11411 being overriden in config/k*bsd-gnu.h.
11412 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11414 * config/knetbsd-gnu.h: Ditto.
11416 2006-04-06 Jan Hubicka <jh@suse.cz>
11420 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11423 2006-04-06 Mike Stump <mrs@apple.com>
11425 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11426 for HAVE_nonlocal_goto to be consistent.
11427 (expand_builtin_nonlocal_goto): Likewise.
11428 (expand_builtin_strcmp): Use #ifdef instead of #if
11429 for HAVE_cmpstrnsi to be consistent.
11431 2006-04-05 DJ Delorie <dj@redhat.com>
11433 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11436 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11438 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11439 got-relative addressing for anything but SImode.
11441 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11442 even if the calling function doesn't modify them.
11444 2006-04-05 Richard Guenther <rguenther@suse.de>
11446 PR tree-optimization/26919
11447 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11448 to cgraph_estimate_size_after_inlining.
11450 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11452 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11454 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11456 PR tree-optimization/26996
11457 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11458 VECTOR_TYPE variables.
11460 2006-04-05 Richard Guenther <rguenther@suse.de>
11462 PR tree-optimization/26763
11463 * fold-const.c (fold_comparison): Move folding of
11464 PTR + CST CMP PTR + CST ...
11465 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11467 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11469 * doc/install.texi (Prerequisites): Refine some wording on
11470 bootstrapping and ksh.
11471 Move the version numbers of DejaGnu here from the testing section
11472 and fix casing of names.
11473 Fix markup and clarify wording for autogen requirements.
11474 Refer to GCJ instead of just java.
11475 Refer to SVN instead of CVS.
11476 Describe diffutils as useful instead of necessary.
11477 (Downloading the source): Refer to SVN instead of CVS.
11478 Adjust a link to our web site accordingly.
11479 (Configuration): Fix casing of Bison.
11480 (Building): Refer to SVN instead of CVS.
11481 Fix a sentence on the use of Bison and remove duplicate (and
11482 incorrect) version number of Bison requirement.
11483 Remove one redundant list of packages needed for building.
11484 (Specific): Avoid reference to CVS.
11486 2006-04-04 Eric Christopher <echristo@apple.com>
11488 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11489 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11490 (rs6000_handle_struct_attribute): New.
11491 (rs6000_ms_bitfield_layout_p): Ditto.
11493 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11495 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11496 NULL for dso parameter to atexit_common.
11498 2006-04-04 Eric Christopher <echristo@apple.com>
11500 * config/i386/i386.c (machopic_output_stub): Output \t
11501 between instructions and operands.
11503 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11505 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11506 satisfies_constraint_[IL] to explicit tests on value.
11508 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11510 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11511 set_nb_iterations_in_loop): Use build_int_cst instead of
11512 build_int_cst_type.
11513 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11514 build_int_cst instead of convert.
11516 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11518 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11519 new value 2 for incoming.
11520 * function.c (expand_function_start): Call struct_value_rtx
11521 with incoming as 2.
11522 * config/sparc/sparc.md: Comment updated_return.
11523 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11524 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11525 struct return if sparc_std_struct_return and incoming is 2.
11526 (print_operand): Do not adjust return if
11527 sparc_std_struct_return.
11529 2006-04-04 Roger Sayle <roger@eyesopen.com>
11531 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11532 convert in the middle-end.
11533 * expr.c (store_expr, store_constructor, get_inner_reference,
11534 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11536 * tree.c (build_range_type): Likewise.
11538 2006-04-04 Tom Tromey <tromey@redhat.com>
11540 * doc/install.texi (Prerequisites): Mention jar.
11542 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11544 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11547 2006-04-04 Matthias Klose <doko@debian.org>
11549 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11553 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11556 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11558 * doc/extend.texi (Function Attributes): Rewrite visibility
11559 attribute documentation.
11560 * doc/invoke.texi (C++ Dialect Options): Rewrite
11561 -fvisibility-inlines-hidden documentation to describe something
11562 entirely different, although in practise compatible.
11563 (Code Gen Options): Warn about system headers in -fvisibility=
11566 * doc/extend.texi (Other Builtins): Document that
11567 __builtin_nan is a compile-time constant only when its argument
11570 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11572 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11573 trying to remove TRUNCATE check if all bits outside the new mode
11574 are identical to the sign bit.
11576 2006-04-03 Jeff Law <law@redhat.com>
11578 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11579 and operand scanning in some common cases.
11581 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11582 Dale Johannesen <dalej@apple.com>
11585 * regclass.c (struct reg_pref): Update documentation.
11586 (regclass): Set prefclass to NO_REGS if memory is the best option.
11587 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11588 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11589 into account. For non-registers, equate an empty preferred
11590 reload class to a `!' in the constraint; move the if clause to
11591 do so after those that reject the insn.
11592 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11594 (find_dummy_reload): Likewise.
11595 * doc/tm.texi (Register Classes): Document what it means
11596 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11597 * config/i386/i386.c (ix86_preferred_reload_class): Force
11598 using SSE registers (and return NO_REGS for floating-point
11599 constants) if math is done with SSE.
11600 (ix86_preferred_output_reload_class): New.
11601 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11602 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11603 * config/i386/i386.md: Remove # register preferences.
11605 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11608 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11609 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11610 the type of nb_iter.
11611 (instantiate_parameters_1): Convert the operands before calling
11612 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11613 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11615 2006-04-02 Roger Sayle <roger@eyesopen.com>
11617 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11618 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11619 instead of convert.
11620 * dojump.c (do_jump): Likewise.
11621 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11622 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11623 gimplify_boolean_expr): Likewise.
11624 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11625 * varasm.c (array_size_for_constructor): Likewise.
11626 * tree-object-size.c (compute_object_offset): Likewise.
11628 2006-04-02 Roger Sayle <roger@eyesopen.com>
11630 PR middle-end/26977
11631 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11632 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11634 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11636 PR tree-optimization/26939
11637 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11639 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11641 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11642 at_stmt. Convert the type of operands before calling
11643 build_polynomial_chrec.
11644 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11645 add_to_evolution_1.
11646 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11647 (instantiate_parameters_1): Convert the type of operands before calling
11648 build_polynomial_chrec.
11649 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11650 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11651 reset_evolution_in_loop): Insert asserts to check the types of the
11653 (chrec_type): Moved...
11654 (eq_evolutions_p): Use operand_equal_p.
11655 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11656 the types of the operands.
11657 (chrec_type): ...here.
11658 * tree-data-ref.c (create_data_ref): Convert the operands before
11659 calling chrec_replace_initial_condition.
11660 (same_access_functions, analyze_subscript_affine_affine,
11661 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11662 (compute_subscript_distance, analyze_ziv_subscript,
11663 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11664 analyze_miv_subscript): Convert the operands before calling
11665 chrec_fold_minus or chrec_fold_plus.
11667 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11669 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11670 the dependence_relations vector.
11671 (compute_data_dependences_for_loop): Adjust call to
11672 compute_all_dependences.
11674 2006-04-01 Roger Sayle <roger@eyesopen.com>
11675 Richard Henderson <rth@redhat.com>
11677 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11678 gimple_boolify on the condition before calling gimplify_expr.
11680 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11682 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11683 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11684 the frame size. Update to use the new macros.
11685 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11686 * config/xtensa/ieee754-df.S: Likewise.
11688 2006-03-31 Richard Henderson <rth@redhat.com>
11690 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11691 (make_edges): ... here. Control fallthru creation with a local
11692 variable. Do not play with fake edges.
11693 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11694 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11697 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11699 * dwarf2.h (DW64_CIE_ID): Define.
11700 * dwarf2out.c (DWARF_CIE_ID): Define.
11701 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11702 length header. Use DWARF_CIE_ID.
11703 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11704 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11706 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11708 * config/sh/linux-atomic.asm: New file.
11709 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11711 2006-03-31 DJ Delorie <dj@redhat.com>
11713 * config/m32c/cond.md: Set condition flags properly throughout.
11714 * config/m32c/minmax.md: Likewise.
11715 * config/m32c/prologue.md: Likewise.
11716 * config/m32c/bitops.md: Likewise.
11717 * config/m32c/muldiv.md: Likewise.
11718 * config/m32c/mov.md: Likewise.
11719 * config/m32c/addsub.md: Likewise.
11720 * config/m32c/m32c.md: Likewise.
11721 * config/m32c/jump.md: Likewise.
11722 * config/m32c/shift.md: Likewise.
11724 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11725 conditionally output the pattern for this.
11726 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11727 (m32c_compare_redundant): New.
11728 (m32c_output_compare): New.
11729 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11731 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11732 dest, not src. Allow other 4-byte modes.
11734 2006-03-30 Denis Chertykov <denisc@overta.ru>
11736 * doc/md.texi: Refer to avr/constraints.md instead of
11739 2006-03-30 Roger Sayle <roger@eyesopen.com>
11741 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11742 signed vs. unsigned comparison failures on some hosts.
11744 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11747 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11748 change to FLOAT_REGS.
11750 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11751 (rs6000_override_options): Use it.
11752 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11753 only for -mabi=spe/no-spe and -mabi=altivec.
11755 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11757 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11760 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11762 * Makefile.in: Rename docdir to gcc_docdir.
11764 2006-03-30 Roger Sayle <roger@eyesopen.com>
11767 * expr.c (emit_group_store): Optimize group stores into a pseudo
11768 register by using a paradoxical subreg to initialize the destination
11769 if the first or last member of the group specifies a "low part".
11771 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11774 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11775 * target.h (struct gcc_target.speculate_insn): Change type of the
11776 second parameter to 'int'.
11777 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11778 the second operand of the DEPS_LIST.
11779 (copy_DEPS_LIST_list): Update reference to the second operand of the
11781 * rtl.h (alloc_DEPS_LIST): Update signature.
11782 * sched-int.h (ds_t): Change typedef to 'int'.
11783 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11785 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11787 * haifa-sched.c (try_ready): Change condition to restore
11788 non-speculative pattern of the instruction.
11789 (process_insn_depend_be_in_spec): Code to keep probability of the
11790 speculative dependence non-decreasing.
11792 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11794 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11795 (single_move_for_movmem): ... this. Also change all uses.
11796 (bfin_expand_strmov): Renamed to...
11797 (bfin_expand_movmem): ... this. Also change all uses.
11798 * config/bfin/bfin.md (movstrsi): Renamed to...
11799 (movstrsi): ...this.
11801 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11803 PR tree-optimization/26830
11805 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11806 (copy_prop_visit_stmt): Remove write-only variable ann.
11807 (init_copy_prop): Check variable loop depth here. Do not simulate
11808 memory-tag and virtual operand PHIs except for store copy prop.
11810 2006-03-30 Richard Guenther <rguenther@suse.de>
11812 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11813 variants with double arguments.
11815 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11817 * genpreds.c (write_tm_constrs_h): Delete variable p.
11818 * genconditions.c (write_header): Add tm-constrs.h to included
11820 * genpeep.c (main): Add toplev.h to included headers.
11821 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11822 (build/genpeep.o): Add toplev.h dependency.
11823 * config/rs6000/constraints.md: Add "W" constraint.
11825 2006-03-29 Roger Sayle <roger@eyesopen.com>
11827 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11828 sizes by correctly testing whether the size fits a host integer.
11829 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11830 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11831 SImode range for the default sizetype and bitsizetype.
11833 2006-03-29 Roger Sayle <roger@eyesopen.com>
11835 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11836 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11837 quickly if the argument is already of the correct type.
11838 Call fold_build1 instead of build1. Tidy up blank lines.
11840 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11842 * genemit.c (main): Add tm-constrs.h to included headers.
11843 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11844 * genpeep.c (main): Add tm-constrs.h to included headers.
11845 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11846 (write_tm_constrs_h): this and write complete file.
11847 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11848 (write_insn_preds_c): Add tm-constrs.h to included headers.
11849 (gen_constrs): New variable.
11850 (parse_option): Parse "-c".
11851 (main): Invoke write_tm_constrs_h.
11852 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11853 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11854 (object_out_file): Add tm-constrs.h dependency.
11855 (insn-emit.o): Same.
11856 (insn-output.o): Same.
11857 (insn-peep.o): Same.
11858 (insn-preds.o): Same.
11859 (insn-recog.o): Same.
11860 (tm-constsr.h): New target.
11861 (s-constrs-h): New target.
11863 * config/rs6000/constraints.md: New file.
11864 * config/rs6000/rs6000.c: Include tm-constrs.h.
11865 (num_insn_constant_wide): Convert to satisfies_constraint.
11866 (rs6000_rtx_costs): Convert to satisfies_constraint.
11867 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11868 (CONST_OK_FOR_LETTER_P): Delete.
11869 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11870 (EXTRA_CONSTRAINT): Delete.
11871 (EXTRA_MEMORY_CONSTRAINT): Delete.
11872 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11873 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11874 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11875 satisfies_constraint.
11877 * config/i386/i386.c: Include tm-constrs.h.
11879 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11881 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11882 * tree-data-ref.c (find_data_references_in_loop,
11883 compute_data_dependences_for_loop): Use pointers to VEC.
11884 (analyze_all_data_dependences): Adjust calls.
11885 * tree-data-ref.h (find_data_references_in_loop,
11886 compute_data_dependences_for_loop): Adjust declarations.
11887 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11888 compute_data_dependences_for_loop.
11890 2006-03-29 Paul Brook <paul@codesourcery.com>
11892 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11893 (movdf_vfp): Ditto.
11895 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11897 PR tree-optimization/26859
11898 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11900 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11901 for the step after fold_convert.
11903 2006-03-29 Paul Brook <paul@codesourcery.com>
11905 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11906 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11908 2006-03-29 Paul Brook <paul@codesourcery.com>
11910 PR middle-end/23623
11911 * targhooks.c (default_narrow_bitfield): New fuction.
11912 * targhooks.h (default_narrow_bitfield): add prototype.
11913 * target.h (gcc_target): Add narrow_volatile_bitfield.
11914 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11915 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11916 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11917 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11919 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11921 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11923 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11924 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11925 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11926 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11927 (s390_function_arg_float): Allow SDmode and DDmode values to be
11928 passed in floating point registers.
11929 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11930 check with SCALAR_FLOAT_MODE_P.
11931 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11933 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11935 PR tree-optimization/25985
11936 * tree-ssa-loop-niter.c (number_of_iterations_le,
11937 number_of_iterations_ne): Make comments more precise.
11938 (number_of_iterations_cond): Add only_exit argument. Use the
11939 fact that signed variables do not overflow only when only_exit
11941 (loop_only_exit_p): New.
11942 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11943 number_of_iterations_cond.
11945 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11947 PR tree-optimization/26643
11948 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11951 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11953 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11954 (divsi3_i4_int): Likewise.
11956 2006-03-28 Roger Sayle <roger@eyesopen.com>
11958 * expr.c (emit_group_store): Only create a new pseudo reg if the
11959 quantity it needs to hold isn't already a suitable pseudo.
11961 2006-03-28 Jeff Law <law@redhat.com>
11963 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11964 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11966 2006-03-28 Roger Sayle <roger@eyesopen.com>
11968 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11969 the equivalent ~X & Y, and the symmetry related transformations.
11970 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11971 ~X & Y, and symmetry related transforms.
11973 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11975 Revert my 2006-03-27 patches.
11977 2006-03-28 Roger Sayle <roger@eyesopen.com>
11979 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11980 ~(T1)X, when T1 and T2 are integer types of the same precision
11981 and (T2)X isn't an extension.
11983 2006-03-28 Jeff Law <law@redhat.com>
11985 PR tree-optimization/26796
11986 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11987 need EH edge cleanups rather than purging them immediately.
11988 (eliminate_degenerate_phis): Handle queued EH cleanups.
11990 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11992 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11995 2006-03-27 Roger Sayle <roger@eyesopen.com>
11997 PR middle-end/22524
11998 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11999 cast BIT_NOT_EXPR operand to the correct type.
12001 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
12003 * tree-loop-linear.c: Don't include varray.h.
12004 (gather_interchange_stats, try_interchange_loops,
12005 linear_transform_loops): Use VEC instead of VARRAY.
12006 * lambda-mat.c: Don't include varray.h.
12007 * tree-chrec.c: Same.
12008 * lambda-trans.c: Same.
12009 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
12010 VEC instead of VARRAY.
12011 * tree-vectorizer.h: Idem.
12012 * tree-data-ref.c (dump_data_references,
12013 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
12014 initialize_data_dependence_relation, finalize_ddr_dependent,
12015 compute_all_dependences, find_data_references_in_loop,
12016 compute_data_dependences_for_loop, analyze_all_data_dependences,
12017 free_dependence_relation, free_dependence_relations,
12018 free_data_refs): Idem.
12019 * tree-data-ref.h (data_reference_p, subscript_p): New.
12020 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
12021 VEC instead of VARRAY.
12022 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
12023 (find_data_references_in_loop, compute_data_dependences_for_loop,
12024 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
12025 dump_data_dependence_relations, free_dependence_relations,
12026 free_data_refs): Adjust declaration.
12027 (lambda_transform_legal_p): Move declaration here...
12028 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
12029 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
12030 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
12031 vect_analyze_data_refs): Use VEC instead of VARRAY.
12032 * lambda.h (lambda_transform_legal_p): ...from here.
12033 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
12034 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
12035 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
12036 tree-chrec.o): Don't depend on VARRAY_H.
12038 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12040 * rtl.def (Copyright): Update date.
12041 (DEPS_LIST): Change type of the second operand to 'int'.
12042 * target.h (Copyright): Update date.
12043 (struct gcc_target.speculate_insn): Change type of the second parameter
12045 * lists.c (Copyright): Update date.
12046 (alloc_DEPS_LIST): Change signature. Update reference to the second
12047 operand of the DEPS_LIST.
12048 (copy_DEPS_LIST_list): Update reference to the second operand of the
12050 * rtl.h (Copyright): Update date.
12051 (alloc_DEPS_LIST): Update signature.
12052 * sched-int.h (Copyright): Update date.
12053 (ds_t): Change typedef to 'int'.
12054 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12056 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12058 * haifa-sched.c (Copyright): Update date.
12059 (try_ready): Change condition to restore non-speculative pattern
12060 of the instruction.
12061 (process_insn_depend_be_in_spec): Code to keep probability of the
12062 speculative dependence non-decreasing.
12064 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
12066 * regrename.c (replace_oldest_value_addr): Initialize a variable to
12067 shut up the compiler.
12069 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
12071 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
12072 to use lib prefix for target.
12073 ($(T)libic_invalidate_array_4-200.a): Likewise.
12074 ($(T)libic_invalidate_array_4a.a): Likewise.
12076 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
12077 J"orn Rennecke <joern.rennecke@st.com>
12079 * superh.opt: New file.
12080 * sh.c (boardtype, osruntime): Remove.
12081 * superh.h (SUBTARGET_OPTIONS): Remove.
12082 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
12084 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
12085 arguments with ^ and/or [].
12087 * config.gcc (sh-*-*): Add quoting to account for quirk of
12089 Replace == with = in enable_incomplete_targets test.
12091 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
12092 with MASK_LITTLE_ENDIAN.
12094 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
12095 * config/sh/sh.opt: Added to some comments.
12096 * config/sh/superh.h: Removed some chaff.
12098 * config/sh/sh.opt: Add m4-[1234]00* options.
12099 * config/sh/sh.c (sh_handle_option): Likewise.
12100 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
12101 (ic_invalidate_array_4-100.o): New rule.
12102 ($(T)libic_invalidate_array_4-100.a): Likewise.
12103 (ic_invalidate_array_4-200.o): Likewise.
12104 ($(T)libic_invalidate_array_4-200.a): Likewise.
12105 (ic_invalidate_array_4a.o): Likewise.
12106 ($(T)libic_invalidate_array_4a.a): Likewise.
12107 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
12108 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
12110 * config/sh/crt1.asm: Merged in profiling code.
12111 * config/sh/superh.h (STARTFILE_SPEC): Override.
12112 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
12113 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
12114 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
12116 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
12117 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
12118 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
12120 * sh.opt (mpretend-cmove): New option.
12121 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
12122 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
12123 (movsicc): Add TARGET_PRETEND_CMOVE code.
12125 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
12127 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
12128 s390_class_max_nregs): New function prototypes.
12129 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
12130 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
12131 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
12132 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
12134 2006-03-26 Geoffrey Keating <geoffk@apple.com>
12136 * dwarf2out.c (add_location_or_const_value_attribute): Call
12137 tree_add_const_value_attribute if nothing else works.
12138 (reference_to_unused): New.
12139 (rtl_for_decl_init): Use reference_to_unused to decide whether
12140 to output an initializer.
12142 2006-03-27 Alan Modra <amodra@bigpond.net.au>
12145 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
12146 peephole removing spe frob_di_df_2.
12148 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
12150 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
12151 (subscript_dependence_tester_1): Declared.
12152 (print_dir_vectors, print_dist_vectors): New.
12153 (debug_data_dependence_relation): New.
12154 (dump_data_dependence_relation): Print more details.
12155 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
12156 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
12157 (save_dist_v, save_dir_v, add_outer_distances,
12158 build_classic_dist_vector_1): New.
12159 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
12160 Don't test for lambda_vector_lexico_pos.
12161 (same_access_functions, add_multivariate_self_dist,
12162 add_other_self_distances, dir_from_dist): New.
12163 (build_classic_dir_vector): Replace implementation almost identical to
12164 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
12166 (subscript_dependence_tester_1): New.
12167 (subscript_dependence_tester): Handle the lexicographically negative
12168 distance vectors by recomputing the dependence relation.
12169 (compute_affine_dependence): Remove parameter loop_nest_depth.
12170 (compute_self_dependence): Don't call compute_subscript_distance.
12171 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
12172 Add a parameter for the loop_nest.
12173 (find_loop_nest_1, find_loop_nest): New.
12174 (compute_data_dependences_for_loop): Compute the loop nest, and give
12175 up if the nest is not well formed.
12176 * tree-data-ref.h (loop_p): New.
12177 (struct data_dependence_relation): Replace size_vect field with
12178 loop_nest, a vec of loops.
12179 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
12180 (DDR_LOOP_NEST): New.
12181 (print_dir_vectors, print_dist_vectors,
12182 debug_data_dependence_relation): Declared.
12183 (index_in_loop_nest): New.
12184 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
12185 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
12188 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
12190 * simplify-rtx.c (simplify_relational_operation): Call
12191 simplify_relational_operation_1 even if mode is VOIDmode.
12193 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12195 PR tree-optimization/26804
12196 * tree.h (DECL_CALL_CLOBBERED): New macro.
12197 (tree_decl_common): Add call_clobbered_flag.
12198 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12199 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12200 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12201 (mark_non_addressable): Ditto.
12202 * tree-ssa.c (verify_call_clobbered): New function.
12203 (verify_alias_info): Use it.
12204 * tree-pass.h (pass_reset_cc_flags): New prototype.
12205 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12206 (reset_cc_flags): New function.
12207 * passes.c (init_optimization_passes): Call reset_cc_flags after
12208 initializing referenced_vars.
12210 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12211 Roger Sayle <roger@eyesopen.com>
12213 PR middle-end/26717
12214 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12215 to 1.0 for non-real operands. Implement A / A optimization for
12218 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12220 * config/i386/i386.c (size_cost): Correct the comment for
12221 cost of storing fp registers.
12222 (i386_cost): Likewise.
12223 (i486_cost): Likewise.
12224 (pentium_cost): Likewise.
12225 (pentiumpro_cost): Likewise.
12226 (k6_cost): Likewise.
12227 (athlon_cost): Likewise.
12228 (k8_cost): Likewise.
12229 (pentium4_cost): Likewise.
12230 (nocona_cost): Likewise.
12231 (generic64_cost): Likewise.
12232 (generic32_cost): Likewise.
12234 2006-03-24 Denis Chertykov <denisc@overta.ru>
12236 * config/avr/avr-protos.h (extra_constraint): Delete.
12237 (extra_constraint_Q): New declaration.
12238 * config/avr/constraints.md: New file.
12239 * config/avr/avr.md: Include it.
12240 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12241 (TMP_REGNO, ZERO_REGNO): Likewise.
12242 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12243 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12244 (extra_constraint): Delete.
12245 (extra_constraint_Q): Test for memory constraint 'Q'.
12246 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12247 (REG_CLASS_FROM_LETTER): Delete.
12248 (CONST_OK_FOR_LETTER_P): Delete.
12249 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12250 (EXTRA_CONSTRAINT): Delete.
12251 (TMP_REGNO): Delete.
12252 (ZERO_REGNO): Delete.
12254 2006-03-24 Jeff Law <law@redhat.com>
12256 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12257 directly. Call mark_new_vars_to_rename slightly earlier.
12259 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12261 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12262 (is_cxx): Likewise.
12263 (gen_compile_unit_die): Use new language types for Objective-C and
12265 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12266 DW_LANG_C_plus_plus.
12269 * config/t-darwin (crt3.o): Work around bug 26840.
12270 * config/darwin-crt3.c: Rewrite.
12271 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12273 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12275 * doc/invoke.texi: Document -femit-class-debug-always
12276 * common.opt: Add -femit-class-debug-always.
12278 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12280 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12281 index and base register.
12282 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12283 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12284 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12285 REGNO_OK_FOR_INDEX_P.
12286 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12288 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12289 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12290 REG_OK_FOR_BASE_P): Definitions removed.
12292 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12294 PR middle-end/26611
12295 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12296 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12297 set yet or weren't marked as local yet.
12299 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12301 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12304 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12306 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12307 (rs6000_legitimate_small_data_p): Delete.
12308 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12309 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12310 and make static. Add forward declaration. Update uses.
12311 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12312 of offsettable_memref_p.
12313 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12314 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12316 2006-03-24 Jeff Law <law@redhat.com>
12318 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12319 around bug in immediate-use iterator.
12321 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12324 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12325 or __LITTLE_ENDIAN__.
12327 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12329 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12330 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12331 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12332 * config/sh/sh.opt (mdiv=): Amend description.
12333 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12334 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12335 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12336 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12337 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12338 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12339 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12340 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12341 TARGET_DIVIDE_CALL_FP.
12343 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12345 * haifa-sched.c (choose_ready): Fix type of the local variable.
12346 Move local variables. Add comment.
12347 (check_reg_live): Change signature. Make callable from debugger.
12348 * sched-int.h (check_reg_live): Update signature.
12349 * sched-ebb.c (check_reg_live): Update parameters.
12350 * sched-rgn.c (check_reg_live): Ditto.
12351 (region_head_or_leaf_p): Check pointer before dereferencing.
12352 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12353 before reload on optimization levels below 1.
12355 2006-03-23 Richard Henderson <rth@redhat.com>
12357 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12361 * config/alpha/predicates.md (local_symbolic_operand): Reject
12364 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12367 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12368 expressions which have overflowed constants.
12370 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12372 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12374 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12376 * cfgloopmanip.c (create_loop_notes): Removed.
12377 * final.c (final_scan_insn): Do not handle loop notes.
12378 * jump.c (squeeze_notes): Ditto.
12379 * cfglayout.c (skip_insns_after_block,
12380 duplicate_insn_chain): Ditto.
12381 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12383 * cfgloop.h (create_loop_notes): Declaration removed.
12385 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12387 * varasm.c (output_constant_pool): Restore fnname and fndecl
12389 (assemble_start_function): Adjust call accordingly.
12390 (assemble_end_function): Likewise.
12392 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12395 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12398 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12400 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12403 * system.h (ICE_EXIT_CODE): New macro.
12404 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12405 (diagnostic_action_after_output): Likewise.
12406 * gcc.c (fatal_ice): New function.
12407 (execute): Use it instead of fatal.
12408 (fancy_abort): Likewise.
12409 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12411 2006-03-22 Jeff Law <law@redhat.com>
12413 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12414 iv_analyze_result returning false.
12416 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12418 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12420 2006-03-22 Richard Henderson <rth@redhat.com>
12422 PR middle-end/26084
12423 * except.c (duplicate_eh_regions_0): New.
12424 (duplicate_eh_region_1): Duplicate the children of the node as
12425 well as the node itself. Link them up properly.
12426 (duplicate_eh_region_2): Merge into ...
12427 (duplicate_eh_regions): ... here. Take copy_region argument, and
12428 copy only a sub-tree if asked. Simplify copying and fixup.
12429 (eh_region_outer_p): New.
12430 * except.h (duplicate_eh_regions): Update decl.
12431 (eh_region_outer_p): Declare.
12432 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12433 (lower_omp_master): Likewise.
12434 (lower_omp_ordered): Likewise.
12435 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12436 (move_stmt_r): Use it to remap labels. Handle recursion vs
12437 remap_decls_p properly.
12438 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12439 (find_outermost_region_in_block): New.
12440 (new_label_mapper): New.
12441 (move_sese_region_to_fn): Copy eh information to the new function
12443 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12445 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12448 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12450 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12451 into shared libraries.
12453 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12455 * doc/md.texi: Refer to i386/constraints.md instead of
12456 i386/predicates.md.
12457 * config/i386/constraints.md: New file, extracted from...
12458 * config/i386/predicates.md: ...here.
12459 * config/i386/i386.md: Include constraints.md.
12461 2006-03-21 Jason Merrill <jason@redhat.com>
12463 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12465 PR middle-end/20297
12466 * expr.c (init_block_move_fn): Force default visibility.
12467 (init_block_clear_fn): Likewise.
12468 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12469 * targhooks.c (default_external_stack_protect_fail): Likewise.
12471 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12473 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12474 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12475 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12476 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12477 (loadgp): Use mips_current_loadgp_style.
12478 (loadgp_noshared): New pattern.
12479 (sibcall_internal): Use MIPS_CALL.
12480 (sibcall_value_internal): Likewise.
12481 (sibcall_value_multiple_internal): Likewise.
12482 (call_internal): Likewise.
12483 (call_value_internal): Likewise.
12484 (call_value_multiple_internal): Likewise.
12485 (call_split): Use MIPS_CALL and add an 'S' constraint.
12486 (call_value_split): Likewise.
12487 (call_value_multiple_split): Likewise.
12488 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12489 (-mshared): New option.
12490 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12491 (mips_current_loadgp_style): Declare.
12492 * config/mips/mips.c (mips_classify_symbol): Avoid using
12493 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12494 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12495 TARGET_ABSOLUTE_ABICALLS.
12496 (override_options): Adjust comments. Improve the warning that is
12497 issued when -mabicalls and -G are used together.
12498 (mips_file_start): Remove comment.
12499 (mips_current_loadgp_style): New function.
12500 (mips_gnu_local_gp): New variable.
12501 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12503 (mips_output_function_prologue): Use mips_current_laodgp_style.
12504 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12505 the cprestore instruction.
12506 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12507 live for TARGET_ABSOLUTE_ABICALLS.
12508 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12509 (ASM_SPEC): Pass down -mshared and -mno-shared.
12510 (MIPS_CALL): New macro.
12511 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12513 * doc/invoke.texi (-mabicalls): Update documentation.
12514 (-mshared): Document.
12516 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12518 * config/ia64/unwind-hpux.c: New file.
12519 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12521 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12524 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12526 2006-03-21 Jeff Law <law@redhat.com>
12528 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12529 type conversions of a VR_VARYING source to a wider type.
12531 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12533 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12534 tm_file on Solaris 10 and later.
12535 (sparc64-*-solaris2*): Likewise.
12536 (sparc-*-solaris2*): Likewise.
12537 * config/sol26.h: Rename to config/sol2-6.h.
12538 * config/sol2-10.h: New file.
12540 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12543 * tree-ssa-pre.c (create_component_ref_by_pieces):
12546 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12549 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12550 return it immediately.
12552 2006-03-21 Michael Matz <matz@suse.de>
12554 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12556 (remove_arc, add_arc): Update num_out_arcs member.
12557 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12559 (cache_presence): New function.
12560 (compare_states_for_equiv): New function.
12561 (state_is_differed): Don't take number of outargs, adjust callers.
12562 Use new invariant for speeding up.
12563 (init_equiv_class): Create initial classes based on sorted
12565 (partition_equiv_class): Don't track out_arcs_num.
12566 (evaluate_equiv_classes): Call cache_presence on all states and
12569 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12571 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12572 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12573 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12574 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12576 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12577 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12578 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12579 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12580 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12582 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12583 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12584 (REGNO_REG_CLASS): ARGP is in PREGS.
12585 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12587 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12588 to deal with those addresses.
12589 * addresses.h: New file.
12590 * caller-save.c: Include "addresses.h".
12591 (init_caller_save): Use new base_reg_class function.
12592 * rtl-factoring.c: Include "addresses.h".
12593 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12594 * recog.c: Include "addresses.h".
12595 (preprocess_constraints): Use new base_reg_class function.
12596 * regrename.c: Include "addresses.h".
12597 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12598 functions. Keep track of a new var INDEX_CODE to compute valid
12600 (replace_oldest_value_addr): Likewise.
12601 (replace_oldest_value_mem): Use base_reg_class.
12602 * reload.c: Include "addresses.h".
12603 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12604 (find_reloads): Use new base_reg_class function.
12605 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12606 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12607 all callers and prototype changed.
12608 * reload1.c: Include "addresses.h".
12609 (maybe_fix_stack_asms): Use base_reg_class.
12610 * regclass.c: Include "addresses.h".
12611 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12612 (init_reg_autoinc): Use new base_reg_class function.
12613 (record_reg_classes): Likewise.
12614 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12615 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12616 Use new args to compute necessary class.
12618 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12619 regrename.o, rtl-factoring.o): Update dependencies.
12620 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12621 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12622 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12623 REG_OK_FOR_INDEX_P): Delete documentation.
12625 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12627 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12628 from V7 to V9 for Solaris 7 and above.
12630 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12632 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12633 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12634 argument pointers may not alias any other storage.
12635 * common.opt: Define option -fargument-noalias-anything.
12636 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12637 alias semantics is specified by flag_argument_noalias > 2.
12639 2006-03-20 Jeff Law <law@redhat.com>
12641 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12642 (pass_phi_only_cprop): Declare.
12643 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12644 with phi_only_cprop
12645 * tree-ssa-dom.c (degenerate_phi_result): New function.
12646 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12647 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12648 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12649 (eliminate_degenerate_phis): Likewise.
12650 (pass_phi_only_cprop): New pass descriptor.
12651 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12652 support code. Callers updated.
12653 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12654 (store_copy_prop): Likewise.
12655 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12657 2006-03-20 Jason Merrill <jason@redhat.com>
12660 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12661 (push_visibility, pop_visibility): Likewise.
12662 * c-pragma.h: Declare them.
12664 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12666 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12668 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12669 parameter and use get_ebb_head_tail.
12670 (sh_md_init_global): Adjust uses of find_regmode_weight.
12672 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12674 * function.h (struct function) <x_tail_recursion_reentry>:
12675 Rename to x_stack_check_probe_note.
12676 (tail_recursion_reentry): Rename to stack_check_probe_note.
12677 * function.c: Replace tail_recursion_reentry with
12678 stack_check_probe_note everywhere.
12679 (expand_function_start): Only emit a note for
12680 stack_check_probe_note with -fstack-protect.
12681 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12683 * emit-rtl.c (remove_unnecessary_notes): Remove.
12684 (pass_remove_unnecessary_notes): Remove.
12685 * rtl.h (remove_unnecessary_notes): Remove prototype.
12686 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12687 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12688 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12690 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12693 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12694 (valid_in_set): Handle ARRAY_REF.
12695 Change "if min_variant or VH" to asserts.
12696 (create_component_ref_by_pieces): Handle ARRAY_REF.
12697 (create_expression_by_pieces): Likewise.
12698 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12700 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12702 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12703 is operand of switch, not str[0].
12705 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12707 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12708 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12710 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12712 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12713 end of insn_extra_address_constraint declaration.
12715 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12717 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12718 (no-sum-in-toc): Same.
12719 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12721 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12722 NO_FP_IN_TOC for -fPIC instead of mask.
12724 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12725 (BOOT_LDFLAGS): Delete.
12727 * config/rs6000/t-aix52: Same.
12729 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12730 (stmsi[345678]_power): New.
12732 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12734 * config/ia64/ia64.opt: Add empty line to end of file.
12736 2006-03-17 Richard Guenther <rguenther@suse.de>
12738 PR middle-end/26721
12739 * builtins.c (get_pointer_alignment): For component style references
12740 adjust alignment to the component type alignment. Make sure
12741 to adjust alignment for component access of constants.
12743 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12745 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12746 unconditional jump.
12748 2006-03-17 Paul Brook <paul@codesourcery.com>
12750 * doc/install.texi: Docuemnt --with-mode.
12751 * config.gcc: Add --with-mode for arm*-*-*.
12752 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12754 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12756 * sh.c (max_labelno_before_reorg): New variable.
12757 (sh_reorg): Initialize it.
12758 (find_barrier): Check max_labelno_before_reorg before using
12759 label_to_alignment. Take length of explicit alignment insns
12760 into account. When seeing a UNSPECV_CONST_END, return it.
12762 * sh.c (fixup_mova): Set mode of affected label to QImode.
12763 (untangle_mova): New function.
12764 (find_barrier): Use it. Check mode of label before decrementing
12766 (sh_reorg): Likewise.
12767 Set mode of all insns back to VOIDmode.
12769 * sh.c (MOVA_LABELREF): New macro.
12770 (mova_p, fixup_mova, sh_reorg): Use it.
12771 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12772 ADDR_DIFF_VEC matches mova.
12774 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12776 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12777 with ATTRIBUTE_UNUSED.
12779 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12781 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12782 pointer, instead of assuming it is possible to derive the
12783 correct args size from a call insn.
12785 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12787 * rtl.h (CONST_INT_P): Define.
12788 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12789 instead of GET_CODE(x) == CONST_INT.
12790 (vax_rtx_costs): Likewise.
12791 (vax_output_int_move): Likewise.
12792 (vax_output_int_add): Likewise.
12793 (legitimate_constant_address_p): Likewise.
12794 (index_term_p): Likewise.
12795 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12796 * config/vax/vax.md (and<mode>3): Likewise.
12797 (ashrsi3): Likewise.
12799 (movstricthi): Likewise.
12800 (movstrictqi): Likewise.
12801 (rotrsi3): Likewise.
12802 (five unnamed insns): Likewise.
12804 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12806 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12807 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12808 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12809 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12810 Pass to ASM_OUTPUT_DWARF_OFFSET.
12811 * dwarf2out.c (debug_frame_section): New.
12812 (output_call_frame_info): Use debug_frame_section. Pass it to
12813 dw2_asm_output_offset.
12814 (output_die): Pass appropriate section to dw2_asm_output_offset.
12815 (output_compilation_unit_header): Likewise.
12816 (output_pubnames): Likewise.
12817 (output_aranges): Likewise.
12818 (enum dw_val_class): Break dw_val_class_lbl_offset into
12819 dw_val_class_lineptr and dw_val_class_macptr.
12820 (add_AT_lbl_offset): Delete.
12821 (add_AT_lineptr): New.
12822 (add_AT_macptr): New.
12823 (AT_lbl): Expect a lineptr or macptr.
12824 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12825 (attr_checksum): Likewise.
12826 (same_dw_val_p): Likewise.
12827 (size_of_die): Likewise.
12828 (value_format): Likewise.
12829 (output_die): Likewise.
12830 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12832 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12833 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12834 * config/darwin-protos.h (darwin_file_start): New.
12835 (darwin_asm_output_dwarf_offset): New.
12836 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12837 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12839 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12840 if not EH section; simplify.
12841 (darwin_file_start): New.
12842 (darwin_asm_output_dwarf_offset): New.
12843 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12845 (DEBUG_INFO_SECTION): Likewise.
12846 (DEBUG_ABBREV_SECTION): Likewise.
12847 (DEBUG_ARANGES_SECTION): Likewise.
12848 (DEBUG_MACINFO_SECTION): Likewise.
12849 (DEBUG_LINE_SECTION): Likewise.
12850 (DEBUG_LOC_SECTION): Likewise.
12851 (DEBUG_PUBNAMES_SECTION): Likewise.
12852 (DEBUG_STR_SECTION): Likewise.
12853 (DEBUG_RANGES_SECTION): Likewise.
12854 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12855 (ASM_OUTPUT_DWARF_OFFSET): New.
12857 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12859 * config.gcc (tm_defines): Always add to previous value rather
12862 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12864 * config/mips/predicates.md (splittable_const_int_operand): New,
12865 split from move_operand.
12866 (splittable_symbolic_operand): New.
12867 (move_operand): Add commentary. Use splittable_const_int_operand.
12868 Inline mips_atomic_symbolic_constant_p.
12869 * config/mips/mips.md: Add combine splitters for handling moves
12870 of splittable_const_int_operands and splittable_symbolic_operands.
12871 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12872 (mips_split_symbol): Declare.
12873 (mips_move_integer): Declare.
12874 * config/mips/mips.c (mips_split_p): Make global.
12875 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12876 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12877 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12878 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12879 (mips_offset_within_object_p): Handle block symbols.
12880 (mips_atomic_symbolic_constant_p): Delete.
12881 (mips_cannot_force_const_mem): Return false for constants that
12882 mips_legitimize_move can handle.
12883 (mips_use_blocks_for_constant_p): New function.
12884 (mips_split_symbol): Make global.
12885 (mips_move_integer): Likewise. Add a temporary register argument.
12886 (mips_legitimize_const_move): Use splittable_const_int_operand and
12887 splittable_symbolic_operand.
12888 (mips_use_anchors_for_symbol_p): New function.
12889 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12890 (mips_split_p): Declare.
12892 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12894 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12895 (mips*-*-linux*): Likewise.
12897 2006-03-16 Roger Sayle <roger@eyesopen.com>
12898 Daniel Speyer <dspeyer@wam.umd.edu>
12900 PR middle-end/18259
12901 * tree-dump.c (dump_real): New function.
12902 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12903 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12904 (tree-dump.o): Add $(REAL_H) to the dependencies.
12906 2006-03-16 Roger Sayle <roger@eyesopen.com>
12908 PR middle-end/21781
12909 * real.c (real_from_string): If the mantissa is zero, don't bother
12910 parsing the exponent as the result should always be zero.
12912 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12914 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12916 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12918 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12919 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12920 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12921 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12922 ia64_sched_finish_global): New static functions to implement
12923 hooks from gcc_target.sched.
12924 (spec_check_no, max_uid, pending_data_specs): New static variables.
12925 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12926 ia64_spec_check_src_p): New static functions.
12927 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12928 (TARGET_SCHED_ADJUST_COST): Removed.
12929 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12930 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12931 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12932 TARGET_SCHED_GEN_CHECK,
12933 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12934 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12935 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12936 Fixed to handle speculation checks.
12937 (rtx_needs_barrier): Fixed to handle speculative loads and
12939 (ia64_variable_issue): Added code to count speculative loads and their
12941 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12943 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12945 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12947 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12948 (ia64_reorg): Reset stops_p to NULL after it is freed.
12949 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12950 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12951 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12953 (data_speculative, control_speculative, check_load): New attributes.
12954 (mov<mode>_advanced, mov<mode>_speculative,
12955 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12956 zero_extend<mode>di2_speculative,
12957 zero_extend<mode>di2_speculative_advanced): New patterns for
12958 data and control speculative loads.
12959 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12961 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12962 New pattern for data and control speculation checks.
12963 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12964 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12965 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12966 Auxiliary definitions for the patterns.
12967 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12968 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12970 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12972 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12973 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12974 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12975 New resource constraints.
12976 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12978 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12979 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12980 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12981 msched-in-control-spec, msched-ldc, msched-control-ldc,
12982 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12983 msched-prefer-non-control-spec-insns,
12984 msched-count-spec-in-critical-path): New flags to tune speculative
12986 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12987 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12988 msched-in-control-spec, msched-ldc, msched-control-ldc,
12989 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12990 msched-prefer-non-control-spec-insns,
12991 msched-count-spec-in-critical-path): Document new flags.
12993 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12995 * target.h (struct spec_info_def): New opaque declaration.
12996 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12997 speculate_insn, needs_block_p, gen_check,
12998 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12999 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
13000 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
13001 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
13002 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13003 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
13005 (TARGET_SCHED): Use new macros.
13006 * rtl.h (copy_DEPS_LIST_list): New prototype.
13007 * sched-int.h (struct sched_info): Change signature of new_ready field,
13008 adjust all initializations. New fields: add_remove_insn,
13009 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
13010 region_head_or_leaf_p.
13011 (struct spec_info_def): New structure declaration.
13012 (spec_info_t): New typedef.
13013 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
13014 recovery_block, orig_pat.
13015 (glat_start, glat_end): New variables declaraions.
13016 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
13018 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
13019 DETACH_LIFE_INFO, USE_GLAT.
13020 (enum SPEC_SCHED_FLAGS): New enumeration.
13021 (NOTE_NOTE_BB_P): New macro.
13022 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
13023 attach_life_info, debug_spec_status, check_reg_live): New functions.
13024 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
13025 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
13027 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
13028 * ddg.c (get_block_head_tail): Adjust all uses.
13029 * modulo-sched.c (get_block_head_tail): Adjust all uses.
13030 (sms_sched_info): Initialize new fields.
13031 (contributes_to_priority): Removed.
13032 * haifa-sched.c (params.h): New include.
13033 (get_block_head_tail): Adjust all uses.
13034 (ISSUE_POINTS): New macro.
13035 (glat_start, glat_end): New global variables.
13036 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
13037 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
13038 old_last_basic_block, before_recovery, current_sched_info_var,
13039 rgn_n_insns, luid): New static variables.
13040 (insn_cost1): New function. Move logic from insn_cost to here.
13041 (find_insn_reg_weight1): New function. Move logic from
13042 find_insn_reg_weight to here.
13043 (reemit_notes, move_insn, max_issue): Change signature.
13044 (move_insn1): Removed.
13045 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
13046 extend_bb): New static functions to support extension of scheduler's
13048 (generate_recovery_code, process_insn_depend_be_in_spec,
13049 begin_speculative_block, add_to_speculative_block,
13050 init_before_recovery, create_recovery_block, create_check_block_twin,
13051 fix_recovery_deps): New static functions to support
13052 generation of recovery code.
13053 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
13054 restore_bb_notes, move_block_after_check, move_succs): New static
13055 functions to support ebb scheduling.
13056 (init_glat, init_glat1, attach_life_info1, free_glat): New static
13057 functions to support handling of register live information.
13058 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
13059 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
13060 add_jump_dependencies): New static functions.
13061 (check_cfg, has_edge_p, check_sched_flags): New static functions for
13062 consistancy checking.
13063 (debug_spec_status): New function to call from debugger.
13064 (priority): Added code to handle speculation checks.
13065 (rank_for_schedule): Added code to distinguish speculative instructions.
13066 (schedule_insn): Added code to handle speculation checks.
13067 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
13068 Fixed to handle ebbs.
13069 (move_insn): Added code to handle ebb scheduling.
13070 (max_issue): Added code to use ISSUE_POINTS of instructions.
13071 (choose_ready): Added code to choose between speculative and
13072 non-speculative instructions.
13073 (schedule_block): Added code to handle ebb scheduling and scheduling of
13074 speculative instructions.
13075 (sched_init): Initialize new variables.
13076 (sched_finish): Free new variables. Print statistics.
13077 (try_ready): Added code to handle speculative instructions.
13078 * lists.c (copy_DEPS_LIST_list): New function.
13079 * sched-deps.c (extend_dependency_caches): New function. Move logic
13080 from create_dependency_caches to here.
13081 (get_dep_weak, ds_merge): Make global.
13082 * genattr.c (main): Code to output prototype for
13083 dfa_clear_single_insn_cache.
13084 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
13085 (output_dfa_clean_insn_cache_func): Code to output
13086 dfa_clear_single_insn_cache function.
13087 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
13089 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
13091 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
13092 New static variables.
13093 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
13094 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
13096 (ebb_sched_info): Initialize new fields.
13097 (get_block_head_tail): Adjust all uses.
13098 (compute_jump_reg_dependencies): Fixed to use glat_start.
13099 (schedule_ebb): Code to remove unreachable last block.
13100 (schedule_ebbs): Added code to update register live information.
13101 * sched-rgn.c (region_sched_info): Initialize new fields.
13102 (get_block_head_tail): Adjust all uses.
13103 (last_was_jump): Removed. Adjust users.
13104 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
13105 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
13106 Implement new hooks.
13107 (check_dead_notes1): New static function.
13108 (struct region): New fields: dont_calc_deps, has_real_ebb.
13109 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
13110 (BB_TO_BLOCK): Fixed to handle EBBs.
13111 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
13112 (ebb_head): New static variable.
13113 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
13114 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
13116 (compute_dom_prob_ps): New assertion.
13117 (check_live_1, update_live_1): Fixed to work with glat_start instead of
13118 global_live_at_start.
13119 (init_ready_list): New assertions.
13120 (can_schedule_ready_p): Split update code to begin_schedule_ready.
13121 (new_ready): Add support for BEGIN_CONTROL speculation.
13122 (schedule_insns): Fixed code that updates register live information
13124 (schedule_region): Fixed to handle EBBs.
13125 (init_regions): Use extend_regions and check_dead_notes1.
13126 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
13127 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
13128 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
13129 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13130 TARGET_SCHED_GEN_CHECK,
13131 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13132 TARGET_SCHED_SET_SCHED_FLAGS): Document.
13133 * doc/invoke.texi (max-sched-insn-conflict-delay,
13134 sched-spec-prob-cutoff): Document.
13136 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13138 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
13139 inter_tick, queue_index.
13140 (struct sched_info): Change signature of init_ready_list field.
13141 Adjust all initializations.
13142 (RESOLVED_DEPS): New access macro.
13143 (ready_add): Remove prototype.
13144 (try_ready): Add prototype.
13145 * sched-rgn.c (init_ready_list): Use try_ready.
13146 (schedule_region): Initialize
13147 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
13148 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
13149 (init_ready_list): Use try_ready.
13150 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
13151 * lists.c (remove_list_elem): Remove `static'.
13152 (remove_free_INSN_LIST_elem): New function.
13153 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
13154 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
13155 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
13157 (readyp): New variable.
13158 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
13159 change_queue_index, resolve_dep): New static functions.
13160 (try_ready): New function. Adjust callers in sched-rgn.c and
13161 sched-ebb.c to use it instead of ready_add.
13162 (clock_var): Move at the begining of file.
13163 (rank_for_schedule): Fix typo.
13164 (queue_insn): Add assertion. Handle QUEUE_INDEX.
13165 (ready_lastpos): Enforce assertion.
13166 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
13167 update all callers.
13168 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
13169 (schedule_insn): Rewrite to use try_ready and resolve_dep.
13170 (queue_to_ready): Use free_INSN_LIST_list.
13171 (early_queue_to_ready): Fix typo.
13172 (schedule_block): Init readyp. Move init_ready_list call after the
13173 initialization of clock_var. Fix error in rejecting insn by
13174 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
13175 that previously corrected INSN_TICKs. Add code for handling
13177 (set_priorities): Fix typo.
13178 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
13179 Clarify comment and code that keeps current_sched_info->next_tail
13182 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13184 * sched-rgn.c (extend_rgns): New static function.
13185 (find_rgns): Use it.
13186 (gather_region_statistics, print_region_statistics): New static
13188 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
13189 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
13191 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13192 Andrey Belevantsev <abel@ispras.ru>
13194 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13195 * lists.c (unused_deps_list): New variable.
13196 (free_list): Add assertions to verify the proper distinguishing
13197 between INSN_LISTs and DEPS_LISTs.
13198 (find_list_elem, remove_list_elem, remove_list_node): New static
13200 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13201 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13202 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13203 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13205 (free_INSN_LIST_node): Likewise.
13206 * modulo-sched.c (current_sched_info): Initialize flags field.
13207 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13208 * rtl.def (DEPS_LIST): Define.
13209 * rtl.h: Declare new functions from lists.c.
13210 * sched-deps.c (spec_dependency_cache): New static variable.
13211 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13212 (add_dependence): Change return type to void. Move the logic to ...
13213 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13214 (delete_all_dependences): Add comment about forward_dependency_cache.
13215 Handle spec_dependency_cache. Handle DEPS_LISTs.
13216 (fixup_sched_groups): Clarify the change of priority of output
13217 and anti dependencies.
13218 (sched_analyze_2): Adjust add_dependence calls to create data
13219 speculative dependence.
13220 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13221 Adjust all callers. Handle DEPS_LISTS.
13222 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13223 presence of speculation.
13224 (init_dependency_caches, free_dependency_caches):
13225 Handle spec_dependency_cache.
13226 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13227 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13228 New static functions.
13229 (add_or_update_back_dep, add_or_update_back_forw_dep,
13230 add_back_forw_dep, delete_back_forw_dep): New functions.
13231 * sched-int.h (ds_t, dw_t): New typedefs.
13232 (struct sched_info): Add new field flags.
13233 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13234 Prototype new sched-deps.c functions.
13235 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13236 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13237 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13238 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13239 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13240 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13242 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13244 * sched-rgn.c (current_sched_info): Initialize flags field.
13245 (schedule_insns): Initialize current_sched_info before the sched_init
13247 * sched-ebb.c (current_sched_info): Initialize flags field.
13248 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13249 Call add_or_update_back_dep instead of add_dependence.
13250 Create control speculative dependencies.
13251 (schedule_insns): Initialize current_sched_info before the sched_init
13254 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13256 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13258 (sh_fallback_frame_state): Likewise.
13260 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13262 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13263 Do switch on default_use_cxa_atexit.
13264 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13265 * config/darwin-crt3.o: New.
13266 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13267 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13268 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13270 * config/rs6000/t-darwin: Move crt2.o building to here.
13271 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13272 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13275 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13277 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13278 from '! xxx' to '!xxx' for coding-style conformance.
13279 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13280 (EXTRA_CONSTRAINT): Likewise.
13281 * config/vax/vax.md (four unnamed insns): Likewise.
13283 2006-03-15 Paul Brook <paul@codesourcery.com>
13285 * config/arm/arm.c (minipool_pad): New.
13286 (add_minipool_forward_ref): Include pool alignment padding in address
13288 (push_minipool_fix): Set minipool_pad.
13289 (minipool_pad): Ditto.
13291 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13293 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13294 instead of GET_CODE() == MEM and REG_P() instead of
13296 (print_operand_address): Likewise.
13297 (vax_address_cost): Likewise.
13298 (vax_rtx_costs): Likewise.
13299 (vax_notice_update_cc): Likewise.
13300 (vax_output_int_add): Likewise.
13301 (INDEX_REGISTER_P): Likewise.
13302 (BASE_REGISTER_P): Likewise.
13303 (nonindexed_address_p): Likewise.
13304 (vax_mode_dependent_address_p): Likewise.
13305 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13306 (PRINT_OPERAND): Likewise.
13307 * config/vax/vax.md (ashlsi3): Likewise.
13308 (ashlsi3): Likewise.
13309 (some more unnamed insns): Likewise.
13311 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13313 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13314 iterator-style macro.
13315 (mark_control_dependent_edges_necessary): Update the use of
13316 EXECUTE_IF_CONTROL_DEPENDENT.
13318 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13320 * config/sh/predicates.md (cache_address_operand): Special.
13321 (ua_address_operand): Likewise.
13323 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13325 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13327 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13329 2006-03-15 Andreas Schwab <schwab@suse.de>
13331 * gensupport.c (identify_predicable_attribute): Don't free p_false
13332 when it is still in use.
13334 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13336 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13337 the default setting here.
13339 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13341 * tree-pass.h (pass_cfg): Remove.
13342 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13343 * passes.c (pass_cfg): Don't run it.
13345 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13347 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13348 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13350 (stack_regs_mentioned): Update the uses of
13351 stack_regs_mentioned_data. Don't access the array beyond its
13353 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13354 Don't include gt-reg-stack.h.
13356 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13357 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13359 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13361 PR middle-end/26684
13362 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13365 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13367 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13369 2006-03-14 Richard Guenther <rguenther@suse.de>
13371 PR tree-optimization/26672
13372 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13375 2006-03-14 Richard Guenther <rguenther@suse.de>
13377 PR tree-optimization/26667
13378 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13379 node for the callees. Always allow inlining if it will shrink
13382 2006-03-14 Richard Guenther <rguenther@suse.de>
13384 PR middle-end/26659
13385 * builtins.c (get_pointer_alignment): Prefer alignment
13386 information from decls over that from types.
13388 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13391 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13393 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13395 * config/rs6000/rs6000.opt (mdlmzb): New option.
13396 (msched-prolog, msched-epilog): Use Var not Mask.
13397 * doc/invoke.texi (-mdlmzb): Document.
13398 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13400 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13401 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13403 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13405 PR rtl-optimization/25739
13406 * bt-load.c (augment_live_range): Free tos pointer.
13408 * gensupport.c (identify_predicable_attribute): Free
13410 * gcov.c (create_file_names): Free name pointer.
13412 2006-03-13 Roger Sayle <roger@eyesopen.com>
13414 PR middle-end/26557
13415 * stmt.c (emit_case_nodes): Handle the case where the index is a
13416 CONST_INT, where the comparison mode is specified by the index type.
13418 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13420 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13423 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13425 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13426 (*branch_fp_inverted): Likewise.
13428 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13430 PR middle-end/25989
13431 * omp-low.c (expand_omp_for_generic): Mark istart0
13432 and iend0 as addressable.
13434 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13436 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13438 2006-03-13 Jeff Law <law@redhat.com>
13440 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13441 virtual operands are interesting.
13442 (vrp_visit_stmt): Corresponding changes.
13444 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13446 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13448 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13449 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13450 * config/bfin/crti.S: Use it instead of __PIC__.
13451 * config/bfin/crtn.S: Likewise.
13453 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13454 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13456 Lose 'G' modifier for call operand.
13457 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13458 recognize 'G' modifier.
13460 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13462 PR middle-end/18859
13463 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13464 * stmt.c (expand_case): Likewise.
13466 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13468 PR rtl-optimization/26254
13469 * loop-invariant.c (seq_insns_valid_p): New function.
13470 (move_invariant_reg): Only emit new code if it is valid.
13472 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13474 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13476 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13477 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13478 (commit_one_edge_insertion): Do not look for loop notes.
13480 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13482 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13483 flag_test_coverage out of loop.
13485 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13487 * final.c (shorten_branches): Remove outdated comment, and turn
13488 the if branch that guards it to continue.
13490 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13492 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13493 * cfgloop.h (struct loop): Remove unused fields.
13495 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13497 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13498 (-dL, -fdump-rtl-loop2): Update the dump file names
13500 * doc/invoke.texi: Update dump file names.
13502 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13504 * predict.c (estimate_probability): Remove.
13505 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13506 * basic-block.h (estimate_probability): Remove prototype.
13507 * passes.c (finish_optimization_passes): Dump branch prediction or
13508 profiling heuristics to the .profile tree dump.
13509 (init_optimization_passes): Unqueue pass_branch_prob.
13511 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13513 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13515 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13516 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13518 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13520 * function.h (frame_offset_overflow): Declare.
13521 * function.c (frame_offset_overflow): New function.
13522 (assign_stack_local_1): Call it to detect that the offset overflows.
13523 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13525 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13527 * config/sh/sh.c: Include alloc-pool.h.
13528 (label_ref_list_pool): New alloc pool.
13529 (label_ref_list_t): New type for lists of labels.
13530 (struct pool_node): Make wend a label_ref_list_t.
13531 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13533 (dump_table): Likewise.
13534 (sh_reorg): Set up the alloc pool before using add_constant and
13535 dump_table, and destroy it when finishing.
13537 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13539 * config/mips/mips.c: Remove redundant comment.
13541 2006-03-10 Jason Merrill <jason@redhat.com>
13544 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13545 the target was declared 'register'.
13547 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13549 * genpreds.c (write_insn_constraint_len): Change definition of
13550 insn_constraint_len to return size_t to match the declaration.
13552 2006-03-10 DJ Delorie <dj@redhat.com>
13554 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13556 (m32c_expand_insv): Fix test for an AND mask.
13558 2006-03-10 Richard Guenther <rguenther@suse.de>
13560 PR middle-end/26565
13561 * builtins.c (get_pointer_alignment): Handle component
13562 references for field alignment.
13564 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13566 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13567 when building with libgloss.
13568 (sh*elf): Implement --without-fp option.
13569 (sh64-superh-linux*): Don't multilib.
13571 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13573 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13575 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13577 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13578 Set it when one of the replacement functions returned true.
13579 Return TODO_cleanup_cfg if cfgchanged is true.
13580 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13582 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13584 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13585 instead of gen_lowpart.
13587 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13589 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13591 (mips_output_order_conditional_branch): Declare.
13592 * config/mips/mips.h (MIPS_BRANCH): New macro.
13593 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13594 for the comparison. Use gen_condjump.
13595 (mips_output_conditional_branch): Rework interface to take the
13596 asm templates for a direct branch and the inverse of a direct branch.
13597 (mips_output_order_conditional_branch): New function.
13598 (mips_builtin_branch_and_move): New function.
13599 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13600 branch condition. Use gen_single_cc as the condition for
13601 __builtin_mips_upper_* or __builtin_mips_lower_*.
13602 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13603 Use VOIDmode for the branch condition.
13604 * config/mips/predicates.md (order_operator): New predicate.
13605 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13606 (branch_fp): Rename to...
13607 (*branch_fp): ...this. Remove mode from comparison operator.
13608 Use new mips_output_conditional_branch interface.
13609 (branch_fp_inverted): Rename to...
13610 (*branch_fp_inverted): ...this and update as for *branch_fp.
13611 (*branch_zero<mode>): Rename to...
13612 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13613 Use mips_output_order_conditional_branch. Only accept ordered
13615 (*branch_zero<mode>_inverted): Rename to...
13616 (*branch_order<mode>_inverted): ...this and update as for
13617 *branch_order<mode>.
13618 (*branch_equality<mode>): Accept zero as the second operand to
13619 the equality operator. Use the new mips_output_conditional_branch
13621 (*branch_equality<mode>_inverted): Likewise.
13622 (condjump): New expander.
13623 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13625 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13626 (bc1any2t, bc1any2f): Likewise.
13627 (single_cc): New expander.
13628 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13630 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13632 * doc/md.texi: Update documentation of MIPS constraints.
13633 * config/mips/constraints.md: New file.
13634 * config/mips/mips.md: Include it.
13635 * config/mips/mips.c (mips_char_to_class): Delete.
13636 (override_options): Don't initialize mips_char_to_class.
13637 * config/mips/mips.h (mips_char_to_class): Delete.
13638 (REG_CLASS_FROM_LETTER): Delete.
13639 (CONST_OK_FOR_LETTER_P): Delete.
13640 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13641 (EXTRA_CONSTRAINT_Y): Delete.
13642 (EXTRA_CONSTRAINT_STR): Delete.
13643 (CONSTRAINT_LEN): Delete.
13644 (EXTRA_MEMORY_CONSTRAINT): Delete.
13646 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13648 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13649 original fn's eh regions.
13651 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13653 * fold-const.c (build_range_check): Make sure to use a valid type to
13654 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13657 (range_predecessor): New static function.
13658 (range_successor): Likewise.
13659 (merge_ranges): Use them to compute predecessors and successors of
13662 2006-03-09 Roger Sayle <roger@eyesopen.com>
13664 PR middle-end/26561
13665 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13666 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13668 2006-03-08 DJ Delorie <dj@redhat.com>
13670 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13671 (addpsi3): Expand to include memory operands. Remove
13672 reload-specific splits.
13673 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13674 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13675 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13676 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13677 (shift1_qi, shift1_hi, insv): New.
13678 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13679 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13680 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13682 * config/m32c/m32c-protos.h: Update as needed.
13683 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13684 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13685 Fail for unrecognized R* constraints.
13686 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13687 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13688 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13690 (m32c_init_libfuncs): New.
13691 (m32c_legitimate_address_p): Add debug wrapper.
13692 (m32c_rtx_costs): New.
13693 (m32c_address_cost): New.
13694 (conversions): Add 'B' prefix.
13695 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13696 operands, or word regnames for QI operands. 'B' prints bit
13698 (m32c_expand_setmemhi): New.
13699 (m32c_expand_movmemhi): New.
13700 (m32c_expand_movstr): New.
13701 (m32c_expand_cmpstr): New.
13702 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13703 (m32c_expand_neg_mulpsi3): Handle non-ints.
13704 (m32c_cmp_flg_0): New.
13705 (m32c_expand_movcc): New.
13706 (m32c_expand_insv): New.
13707 (m32c_scc_pattern): New.
13708 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13709 a0/a1 out of SIregs.
13710 (STORE_FLAG_VALUE): New.
13711 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13714 * config/m32c/mov.md: Make constraints more liberal.
13715 (zero_extendqihi2): Optimize r0/r1 case.
13716 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13717 * config/m32c/predicates.md (m32c_any_operand): New.
13718 (m32c_nonimmediate_operand): New.
13719 (m32c_hl_operand): New.
13720 (m32c_r3_operand): New.
13723 (memsym_operand): New.
13724 (memimmed_operand): New.
13725 (a_qi_operand): New.
13726 (m32c_eqne_operator): New.
13727 (m32c_1bit8_operand): New.
13728 (m32c_1bit16_operand): New.
13729 (m32c_1mask8_operand): New.
13730 (m32c_1mask16_operand): New.
13731 * config/m32c/blkmov.md: New file.
13732 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13734 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13736 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13737 unsigned to fix signed/unsigned comparison issue in
13738 DWARF2_FRAME_REG_OUT.
13739 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13740 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13742 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13743 of ptr into the ENABLE_CHECKING section.
13745 2006-03-08 Jeff Law <law@redhat.com>
13747 * tree-vrp.c (infer_value_range): Only count pointer uses
13748 and dereferences if -fdelete-null-pointer-checks is enabled.
13750 * tree-vrp.c (find_assert_locations): Infer value ranges for
13751 single use pointers, but do not create ASSERT_EXPRs for them.
13752 When a non-null range is inferred for a pointer, backwards
13753 propagate that range to other equivalent pointers through the
13756 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13759 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13760 language hook targets.
13761 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13762 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13763 if language hook targets were missing.
13765 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13767 * tree-ssa-opfinalize.h: Removed.
13768 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13770 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13771 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13772 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13773 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13774 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13775 finalize_ssa_v_must_def_ops): New.
13777 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13779 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13780 block as parameter.
13782 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13784 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13786 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13787 addresses with offsets; reorganize.
13789 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13790 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13791 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13793 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13796 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13798 2006-03-08 Ben Elliston <bje@au.ibm.com>
13800 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13802 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13805 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13808 2006-03-07 Richard Guenther <rguenther@suse.de>
13810 PR tree-optimization/26587
13811 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13813 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13815 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13817 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13819 * hooks.c (hook_bool_mode_rtx_true): New function.
13820 * hooks.h (hook_bool_mode_rtx_true): Declare.
13821 * toplev.c (compile_file): Call output_shared_constant_pool.
13822 * varasm.c (shared_constant_pool): New variable.
13823 (assemble_start_function, assemble_end_function): Remove arguments
13824 from call to output_constant_pool.
13825 (create_constant_pool): New function, split out from...
13826 (init_varasm_status): ...here.
13827 (force_const_mem): Choose between the shared and per-function constant
13828 pools. Set current_function_uses_const_pool when reusing old entries
13829 as well as when creating new ones.
13830 (mark_constant): Ignore data argument.
13831 (mark_constants): Remove pool argument.
13832 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13833 to decide whether the function uses a constant pool.
13834 (output_constant_pool_contents): New function, split out from...
13835 (output_constant_pool): ...here.
13836 (output_shared_constant_pool): New function.
13837 (init_varasm_once): Initialize shared_constant_pool.
13838 * output.h (output_constant_pool): Delete.
13839 (output_shared_constant_pool): Declare.
13840 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13841 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13843 2006-03-06 Nick Clifton <nickc@redhat.com>
13845 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13846 flag_strength_reduce.
13848 2006-03-06 Ben Elliston <bje@au.ibm.com>
13850 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13851 x86_64-*-linux* configurations.
13853 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13854 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13856 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13858 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13860 * basic-block.h: Remove the extern for
13861 rediscover_loops_after_threading.
13863 * cfgloop.c (cancel_loop): Make it static.
13864 * cfgloop.h: Remove the prototype for cancel_loop.
13866 * flow.c (recompute_reg_usage): Make it static.
13867 * rtl.h: Remove the prototype for recompute_reg_usage.
13869 * function.c (use_return_register): Make it static.
13870 * function.h: Remove the prototype.
13872 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13874 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13876 * recog.h: Remove the prototype for
13877 validate_change_maybe_volatile.
13879 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13881 * rtlanal.c (replace_reg): Remove.
13882 * rtl.h: Remove the prototype for replace_reg.
13884 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13886 * regclass.c (reg_scan_update): Remove.
13887 (reg_scan_mark_refs): Remove the last argument.
13888 * rtl.h: Remove the prototype for reg_scan_update.
13890 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13892 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13893 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13894 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13895 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13896 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13897 loop-invariant.c, omp-low.c, opts.c, passes.c,
13898 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13899 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13900 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13901 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13902 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13903 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13905 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13907 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13908 * dwarf2out.h: Remove the prototype for
13909 dwarf2out_add_library_unit_info.
13911 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13913 * tree.c (add_var_to_bind_expr): Remove.
13914 * tree.h: Remove the prototype for add_var_to_bind_expr.
13916 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13918 * regclass.c (n_non_fixed_regs): Remove.
13919 (init_reg_sets_1, globalize_reg): Remove all uses of
13921 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13923 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13925 * rtlanal.c (insns_safe_to_move_p): Remove.
13926 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13928 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13930 * expmed.c (expand_mult_add): Remove.
13931 * expr.h: Remove the prototype for expand_mult_add.
13933 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13935 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13936 and REG_SAVED_VAL_EXP constants.
13937 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13938 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13939 Handle regs stored by value.
13940 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13941 (execute_cfa_program): Handle DW_CFA_val_offset,
13942 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13943 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13944 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13945 (uw_install_context_1): Handle target regs stored by value.
13947 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13949 * tree-sra.c (tree_sra): Return todoflags;
13950 (generate_one_element): Set TODO_update_smt_usage if needed.
13951 (pass_sra): Remove TODO_update_smt_usage.
13952 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13954 (tree_ssa_forward_propagate_single_use_vars): Return
13955 TODO_update_smt_usage if we need to update SMT usage.
13956 (pass_forwprop): Remove TODO_update_smt_usage.
13958 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13960 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13961 (correct_use_link): Remove reference to get_stmt_operands.
13962 (update_stmt_operands): Likewise.
13963 (get_modify_expr_operands): New function factored out of
13964 parse_ssa_operands and get_expr_operands.
13965 Try to create V_MUST_DEFs for LHS by default.
13966 (get_expr_operands) <case MODIFY_EXPR>: Call
13967 get_modify_expr_operands.
13968 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13969 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13970 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13971 get_modify_expr_operands.
13973 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13975 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13976 * tree-flow.h: Remove the prototype for
13977 referenced_var_lookup_if_exists.
13979 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13981 PR rtl-optimization/26345
13983 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13985 2006-03-03 Roger Sayle <roger@eyesopen.com>
13987 PR tree-optimization/26524
13988 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13989 fold_convert to create a constant of the appropriate type.
13991 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13993 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13994 SYMBOL_REF_IN_BLOCK_P.
13995 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13996 of SYMBOL_FLAG_IN_BLOCK.
13997 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13998 instead of SYMBOL_REF_IN_BLOCK_P.
13999 * explow.c (use_anchored_address): Likewise.
14000 * rtl.c (rtx_size): Likewise.
14001 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
14002 instead of SYMBOL_FLAG_IN_BLOCK.
14003 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14004 SYMBOL_REF_IN_BLOCK_P.
14005 (assemble_variable): Likewise.
14006 (output_constant_def_contents): Likewise.
14007 (output_constant_pool): Likewise.
14008 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
14009 instead of SYMBOL_FLAG_IN_BLOCK.
14010 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14011 SYMBOL_REF_IN_BLOCK_P.
14012 (SYMBOL_REF_BLOCK): Likewise.
14013 (SYMBOL_REF_OFFSET): Likewise.
14014 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14015 SYMBOL_REF_IN_BLOCK_P.
14016 (SYMBOL_FLAG_IN_BLOCK): Replace with...
14017 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
14018 (SYMBOL_REF_IN_BLOCK_P): Replace with...
14019 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
14021 2006-03-03 Jakub Jelinek <jakub@redhat.com>
14023 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
14025 2006-03-02 Roger Sayle <roger@eyesopen.com>
14027 * simplify-rtx.c (simplify_unary_operation): When simplifying
14028 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
14029 that we perform the right shift in the appropriate mode, and
14030 then extend or truncate the result to requested mode.
14032 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
14034 * gengtype.c (main): Handle double_int type.
14035 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
14036 * double-int.c: New file.
14037 * double-int.h: New file.
14038 * system.h: Include doubleint.h.
14039 * Makefile.in (SYSTEM_H): Include double-int.h.
14040 (double-int.o): Add.
14042 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
14045 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
14048 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14050 * tree-vrp.c (remove_range_assertions): Do not update statements
14053 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14055 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
14057 * gcse.c (rest_of_handle_gcse): Ditto.
14058 * except.c (gate_handle_eh): Ditto.
14059 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
14060 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
14062 2006-03-02 Eric Christopher <echristo@apple.com>
14064 * config/i386/i386.c (machopic_output_stub): Add indirection to
14067 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14071 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
14073 Sun Niagara specific optimizations.
14074 * config.gcc: Recognize niagara as target.
14075 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
14076 (TARGET_CPU_niagara): Define.
14077 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
14078 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
14079 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14080 (ASM_CPU_SPEC): Likewise.
14081 (PROCESSOR_NIAGARA): New enum entry.
14082 (REGISTER_MOVE_COST): Handle Niagara.
14083 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
14084 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
14085 (sparc_override_options): Recognize "niagara", set appropriate
14086 default MASK_* values for it, and align functions to 32-bytes
14087 by default just like ULTRASPARC/ULTRASPARC3.
14088 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
14089 (sparc64_initialize_trampoline): Likewise.
14090 (sparc_use_sched_lookahead): Use zero for niagara.
14091 (sparc_issue_rate): Use one for niagara.
14092 * config/sparc/niagara.md: New file.
14093 * config/sparc/sparc.md: Include it.
14094 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
14095 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
14096 when default cpu is niagara.
14097 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14098 (ASM_CPU_SPEC): Likewise.
14099 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
14100 when default cpu is niagara.
14101 (ASM_CPU_SPEC): Handle -mcpu=niagara.
14102 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
14103 just like v9/ultrasparc/ultrasparc3.
14104 * doc/invoke.texi: Add documentation for "niagara" and improve
14105 existing documentation for ultrasparc variants.
14107 2006-03-02 Diego Novillo <dnovillo@redhat.com>
14109 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
14111 2006-03-02 Richard Sandiford <richard@codesourcery.com>
14113 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
14114 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
14115 and say that only one is needed.
14116 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
14117 * target.h (have_switchable_bss_sections): New hook.
14118 * explow.c (use_anchored_address): Check that the symbol is in a block.
14119 * varasm.c (tls_comm_section, comm_section, lcomm_section)
14120 (bss_noswitch_section): New variables.
14121 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
14122 (get_noswitch_section): New function.
14123 (get_block_for_section): Allow SECT to be null.
14124 (unlikely_text_section_p): Use SECTION_STYLE.
14125 (bss_initializer_p): New function.
14126 (get_variable_section): Move earlier in file. Take a new argument,
14127 prefer_noswitch_p. Move bss checks from assemble_variable to here.
14128 Return one of the new *_sections in such cases.
14129 (get_block_for_decl): New function, extracting some logic from
14130 use_blocks_for_decl_p.
14131 (change_symbol_section): Remove in favor of...
14132 (change_symbol_block): ...this new function.
14133 (use_blocks_for_decl_p): Remove checks now performed by
14134 get_block_for_decl.
14135 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
14136 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
14137 (emit_local, emit_bss, emit_common): ...these new functions.
14138 Return true if the alignment was honored.
14139 (emit_tls_common): New function.
14140 (asm_emit_uninitialised): Delete.
14141 (assemble_variable_noswitch): New function, split out from...
14142 (assemble_variable): ...here. Don't make decisions about common
14143 variables here. Globalize all public decls that go into non-common
14144 sections. Check whether SYMBOL_REF_BLOCK is null.
14145 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
14146 (output_constant_pool): Likewise.
14147 (init_varasm_once): Initialize the new section variables.
14148 (have_global_bss_p): New function.
14149 (categorize_decl_for_section): Use bss_initializer_p.
14150 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
14151 (place_block_symbol): Assert that the symbol must be in a block.
14152 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
14153 (TARGET_INITIALIZER): Include it.
14154 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
14155 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
14156 (SECTION_MACH_DEP): Bump by two.
14157 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
14158 (unnamed_section): Mention SECTION_UNNAMED in comment.
14159 (named_section): Likewise SECTION_NAMED.
14160 (noswitch_section_callback): New type.
14161 (noswitch_section): New structure.
14162 (section): Add a noswitch_section alternative.
14163 (SECTION_STYLE): New macro.
14164 (tls_comm_section, comm_section, lcomm_section): Declare.
14165 (bss_noswitch_section, have_global_bss_p): Declare.
14166 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14167 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14169 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14170 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14173 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
14175 * tree-vrp.c (execute_vrp): Return value.
14176 * regrename.c (rest_of_handle_regrename): Ditto.
14177 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
14178 * tree-complex.c (tree_lower_complex): Ditto.
14179 (tree_lower_complex_O0): Ditto.
14180 * tracer.c (rest_of_handle_tracer): Ditto.
14181 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
14182 * postreload.c (rest_of_handle_postreload): Ditto.
14183 * tree-tailcall.c (execute_tail_recursion): Ditto.
14184 (execute_tail_calls): Ditto.
14185 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14186 * tree.h (init_function_for_compilation): Ditto.
14187 * ipa-cp.c (ipcp_driver): Ditto.
14188 * tree-scalar-evolution.c (scev_const_prop): Ditto.
14189 * tree-scalar-evolution.h (scev_const_prop): Ditto.
14190 * final.c (compute_alignments): Ditto.
14191 (rest_of_handle_final): Ditto.
14192 (rest_of_handle_shorten_branches): Ditto.
14193 (rest_of_clean_state): Ditto.
14194 * omp-low.c (execute_expand_omp): Ditto.
14195 (execute_lower_omp): Ditto.
14196 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14197 * ipa-reference.c (static_execute): Ditto.
14198 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14199 * reorg.c (rest_of_handle_delay_slots): Ditto.
14200 (rest_of_handle_machine_reorg): Ditto.
14201 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14202 * flow.c (recompute_reg_usage): Ditto.
14203 (rest_of_handle_remove_death_notes): Ditto.
14204 (rest_of_handle_life): Ditto.
14205 (rest_of_handle_flow2): Ditto.
14206 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14207 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14208 (do_ssa_store_ccp): Ditto.
14209 (execute_fold_all_builtins): Ditto.
14210 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14211 * modulo-sched.c (rest_of_handle_sms): Ditto.
14212 * ipa-pure-const.c (static_execute): Ditto.
14213 * cse.c (rest_of_handle_cse): Ditto.
14214 (rest_of_handle_cse2): Ditto.
14215 * web.c (rest_of_handle_web): Ditto.
14216 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14217 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14218 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14219 * tree-nrv.c (tree_nrv): Ditto.
14220 (execute_return_slot_opt): Ditto.
14221 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14222 (create_structure_vars): Ditto.
14223 * loop-init.c (rtl_loop_init): Ditto.
14224 (rtl_loop_done): Ditto.
14225 (rtl_move_loop_invariants): Ditto.
14226 (rtl_unswitch): Ditto.
14227 (rtl_unroll_and_peel_loops): Ditto.
14228 (rtl_doloop): Ditto.
14229 * gimple-low.c (lower_function_body): Ditto.
14230 (mark_used_blocks): Ditto.
14231 * tree-ssa-sink.c (execute_sink_code): Ditto.
14232 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14233 (cgraph_early_inlining): Ditto.
14234 * global.c (rest_of_handle_global_alloc): Ditto.
14235 * jump.c (cleanup_barriers): Ditto.
14236 (purge_line_number_notes): Ditto.
14237 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14238 (rest_of_handle_if_after_reload): Ditto.
14239 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14240 (tree_ssa_loop_im): Ditto.
14241 (tree_ssa_loop_unswitch): Ditto.
14242 (tree_vectorize): Ditto.
14243 (tree_linear_transform): Ditto.
14244 (tree_ssa_loop_ivcanon): Ditto.
14245 (tree_ssa_empty_loop): Ditto.
14246 (tree_ssa_loop_bounds): Ditto.
14247 (tree_complete_unroll): Ditto.
14248 (tree_ssa_loop_prefetch): Ditto.
14249 (tree_ssa_loop_ivopts): Ditto.
14250 (tree_ssa_loop_done): Ditto.
14251 * predict.c (tree_estimate_probability): Ditto.
14252 * recog.c (split_all_insns_noflow): Ditto.
14253 (rest_of_handle_peephole2): Ditto.
14254 (rest_of_handle_split_all_insns): Ditto.
14255 * tree-eh.c (lower_eh_constructs): Ditto.
14256 * regmove.c (rest_of_handle_regmove): Ditto.
14257 (rest_of_handle_stack_adjustments): Ditto.
14258 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14259 * function.c (instantiate_virtual_regs): Ditto.
14260 (init_function_for_compilation): Ditto.
14261 (rest_of_handle_check_leaf_regs): Ditto.
14262 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14263 (rest_of_handle_gcse): Ditto.
14264 * ipa-type-escape.c (type_escape_execute): Ditto.
14265 * alias.c (rest_of_handle_cfg): Ditto.
14266 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14267 * profile.c (rest_of_handle_branch_prob): Ditto.
14268 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14269 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14270 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14271 * tree-dfa.c (find_referenced_vars): Ditto.
14272 * except.c (set_nothrow_function_flags): Ditto.
14273 (convert_to_eh_region_ranges): Ditto.
14274 (rest_of_handle_eh): Ditto.
14275 * emit-rtl.c (unshare_all_rtl): Ditto.
14276 (remove_unnecessary_notes): Ditto.
14277 * except.h (set_nothrow_function_flags): Ditto.
14278 (convert_to_eh_region_ranges): Ditto.
14279 * cfgexpand.c (tree_expand_cfg): Ditto.
14280 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14281 * tree-ssa-pre.c (do_pre): Ditto.
14282 (execute_fre): Ditto.
14283 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14284 (rest_of_handle_jump2): Ditto.
14285 * tree-sra.c (tree_sra): Ditto.
14286 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14287 (execute_mudflap_function_decls): Ditto.
14288 * tree-ssa-copy.c (do_copy_prop): Ditto.
14289 (do_store_copy_prop): Ditto.
14290 * ipa-prop.h (ipcp_driver): Ditto.
14291 * cfglayout.c (insn_locators_initialize): Ditto.
14292 * tree-ssa-forwprop.c
14293 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14294 * cfglayout.h (insn_locators_initialize): Ditto.
14295 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14296 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14297 (execute_late_warn_uninitialized): Ditto.
14298 * rtl.h (cleanup_barriers): Ditto.
14299 (split_all_insns_noflow): Ditto.
14300 (purge_line_number_notes): Ditto.
14301 (unshare_all_rtl): Ditto.
14302 (remove_unnecessary_notes): Ditto.
14303 (recompute_reg_usage): Ditto.
14304 (variable_tracking_main): Ditto.
14305 * integrate.c (emit_initial_value_sets): Ditto.
14306 * integrate.h (emit_initial_value_sets): Ditto.
14307 * tree-optimize.c (execute_free_datastructures): Ditto
14308 (execute_free_cfg_annotations): Ditto.
14309 (execute_fixup_cfg): Ditto.
14310 (execute_cleanup_cfg_pre_ipa): Ditto.
14311 (execute_cleanup_cfg_post_optimizing): Ditto.
14312 (execute_init_datastructures): Ditto.
14313 * tree-object-size.c (compute_object_sizes): Ditto.
14314 * combine.c (rest_of_handle_combine): Ditto.
14315 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14316 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14317 (rest_of_handle_reorder_blocks): Ditto.
14318 (rest_of_handle_partition_blocks): Ditto.
14319 * var-tracking.c (variable_tracking_main): Ditto.
14320 * tree-profile.c (tree_profiling): Ditto.
14321 * tree-vect-generic.c (expand_vector_operations): Ditto.
14322 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14323 * sched-rgn.c (rest_of_handle_sched): Ditto.
14324 (rest_of_handle_sched2): Ditto.
14325 * basic-block.h (free_bb_insn): Ditto.
14326 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14327 * tree-cfg.c (execute_build_cfg): Ditto.
14328 (remove_useless_stmts): Ditto.
14329 (split_critical_edges): Ditto.
14330 (execute_warn_function_return): Ditto.
14331 (execute_warn_function_noreturn): Ditto.
14332 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14333 * cfgrtl.c (free_bb_for_insn): Ditto.
14334 * passes.c (execute_one_pass): Run additional
14335 todos returned by execute function.
14336 * tree-pass.h (struct tree_opt_pass): Make execute
14339 2006-03-02 Richard Guenther <rguenther@suse.de>
14341 * tree-ssa-alias.c (find_used_portions): Consider taking
14342 the address as making the variable not write-only.
14344 2006-03-02 Nick Clifton <nickc@redhat.com>
14346 * config.gcc (default_use_cxa_atexit): Extend the description of
14347 this configure variable. Set its default value to "yes" for
14348 Linux, NetBSD and ELF targets on the assumption that they will
14349 use C libraries with the __cxa_atexit function.
14351 2006-03-02 Ben Elliston <bje@au.ibm.com>
14353 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14354 parameter as unused to suppress a build warning.
14356 2006-03-02 Ben Elliston <bje@au.ibm.com>
14358 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14361 2006-03-01 Roger Sayle <roger@eyesopen.com>
14364 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14365 declared name, the weak reference name, and the typeof name.
14366 (__gthrw): Avoid expanding the declared name suffix.
14367 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14369 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14371 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14373 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14374 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14375 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14376 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14377 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14378 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14379 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14380 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14381 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14382 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14383 (DW_END_default, DW_END_big, DW_END_little): New.
14384 (DW_END_lo_user, DW_END_hi_user): Define.
14385 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14386 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14387 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14390 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14392 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14394 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14396 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14398 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14400 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14401 to 'symbol_mem_tag'.
14403 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14406 2006-03-01 Roger Sayle <roger@eyesopen.com>
14408 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14410 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14413 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14414 MACHO_DYNAMIC_NO_PIC_P.
14415 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14417 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14420 * config/darwin-protos.h (darwin_asm_output_anchor):
14422 * config/darwin-sections.def (cstring_section):
14423 Add SECTION_MERGE to the flags.
14424 (literal4_section): Likewise.
14425 (literal8_section): Likewise.
14426 (objc_selector_refs_section): Likewise.
14427 (objc_cls_refs_section): Likewise.
14428 * config/darwin.c (darwin_asm_output_anchor): New
14430 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14432 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14434 Fix PR tree-optimization/26443
14435 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14436 to todo and PROP_tmt_usage to properties_destroyed.
14437 * tree-ssa-ccp.c (pass_ccp): Ditto.
14438 (pass_store_ccp): Ditto.
14439 * tree-ssa-dom.c (pass_dominator): Ditto.
14441 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14443 * tree-ssa-operands.c: Cleanup whitespace.
14444 (get_asm_expr_operands): Move before first invocation.
14445 (get_indirect_ref_operands): Likewise.
14446 (get_tmr_operands): Likewise.
14447 (get_call_expr_operands): Likewise.
14448 (append_def): Likewise.
14449 (append_use): Likewise.
14450 (append_v_may_def): Likewise.
14451 (append_v_must_def): Likewise.
14452 (add_call_clobber_ops): Likewise.
14453 (add_call_read_ops): Likewise.
14454 (add_stmt_operand): Likewise.
14455 (add_virtual_operand): Likewise.
14456 (build_ssa_operands): Likewise.
14458 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14460 PR middle-end/26022
14462 PR middle-end/24437
14463 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14464 with a call expr to ...
14465 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14467 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14469 * tree-vrp.c (extract_range_from_assert): Remove special
14470 handling for types with super-types.
14472 2006-03-01 Ben Elliston <bje@au.ibm.com>
14474 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14475 and powerpc64-*-linux* configurations.
14476 * config/t-dfprules: New file.
14478 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14479 Compile dfp-bit.c from the source directory using -DWIDTH and
14480 $DFP_CFLAGS to control the compilation of that file, rather than
14481 generating width-specific versions in the build directory.
14482 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14483 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14485 2006-02-28 Zack Weinberg <zackw@panix.com>
14487 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14490 2006-02-28 Eric Christopher <echristo@apple.com>
14492 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14493 Set up IN_LIBGCC definition of TARGET_64BIT.
14494 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14496 2006-02-28 Roger Sayle <roger@eyesopen.com>
14498 PR middle-end/14752
14499 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14500 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14501 cases via the construction of "expr != 0".
14503 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14505 * alias.c (alias_invariant, alias_invariant_size): Remove.
14506 (record_base_value): Remove.
14507 (memrefs_conflict_p): Don't look at alias_invariant.
14508 (end_alias_analysis): Don't free it.
14509 * alias.h (record_base_value): Remove prototype.
14511 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14512 Adam Nemet <anemet@caviumnetworks.com>
14514 * rtl.h (truncated_to_mode): Declare it.
14515 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14516 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14517 (RTL_HOOKS_INITIALIZER): Include it.
14518 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14519 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14520 reg_truncated_to_mode.
14521 * rtlanal.c (truncated_to_mode): Define it.
14522 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14524 2006-02-28 Jeff Law <law@redhat.com>
14526 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14527 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14528 the range allowed by TYPE_PRECISION.
14530 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14532 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14534 PR tree-optimization/26419
14535 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14538 2006-02-27 Zack Weinberg <zackw@panix.com>
14540 * doc/md.texi: Fix typo in previous change.
14542 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14546 2006-02-27 Zack Weinberg <zackw@panix.com>
14548 * rtl.def (define_constraint, define_register_constraint)
14549 (define_memory_constraint, define_address_constraint): New MD forms.
14550 * gensupport.c (process_rtx): Put define_constraint etc on the
14552 * genpreds.c (process_define_predicate): Adjust comment. Validate
14553 the name, and call validate_exp to validate the expression.
14554 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14555 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14556 all callers changed.
14557 (validate_exp, needs_variable, struct constraint_data)
14558 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14559 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14560 (const_dbl_constraints, constraint_max_namelen)
14561 (have_register_constraints, have_memory_constraints)
14562 (have_address_constraints, have_address_constraints)
14563 (have_extra_constraints, have_const_int_constraints)
14564 (have_const_dbl_constraints, mangle, add_constraint)
14565 (process_define_constraint, process_define_register_constraint)
14566 (write_enum_constraint_num, write_lookup_constraint)
14567 (write_insn_constraint_len, write_regclass_for_constraint)
14568 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14569 (write_insn_extra_memory_constraint)
14570 (write_insn_extra_address_constraint)
14571 (write_satisfies_constraint_fns): New.
14572 (write_tm_preds_h): If we have new-style constraint definitions,
14573 prototype the functions generated from them, and define the
14574 old constraint interface (still used by generic code) in terms of
14576 (write_insn_preds_c): If we have new-style constraint definitions,
14577 generate all relevant functions from those definitions.
14578 (main): Handle define_constraint etc.
14579 * genoutput.c (struct constraint_data, indep_constraints)
14580 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14581 (mdep_constraint_len): New data structures and functions, defined
14582 #ifdef USE_MD_CONSTRAINTS.
14583 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14584 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14585 use new logic to validate operand constraints against constraint
14587 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14589 * defaults.h: If none of the old-style constraint macros are
14590 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14591 old-style macros; and poison REG_CLASS_FROM_LETTER,
14592 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14594 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14595 * doc/md.texi: Document new constraint-definition mechanism and the
14596 C interface it provides. Remove references to old mechanism
14597 elsewhere in the document.
14598 (Machine Constraints): Use pathnames relative to gcc directory,
14599 i.e. config/ARCH/FILE. Change i386 section to refer to
14600 config/i386/predicates.md; update that section to match docstrings.
14601 * doc/tm.texi: Move all documentation of the old constraint-
14602 definition macros to their own section, clearly mark as obsolete.
14604 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14605 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14607 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14608 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14609 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14610 constraint strings.
14611 (splits and peepholes): Use satisfies_constraint_*.
14612 * config/i386/i386.c (memory_address_length)
14613 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14615 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14617 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14618 scalar operation to be put back into the loop.
14620 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14623 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14624 (extract_cie_info): Handle S flag in augmentation string.
14625 (execute_cfa_program): If context->signal_frame, execute also
14626 fs->pc == context->ra instructions.
14627 (uw_frame_state_for): If context->signal_frame, don't subtract one
14628 from context->ra to find FDE.
14629 (uw_update_context_1): Set context->signal_frame to
14631 (_Unwind_GetIPInfo): New function.
14632 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14633 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14635 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14636 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14637 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14638 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14639 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14640 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14641 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14642 x86_64_fallback_frame_state): Set fs->signal_frame.
14643 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14644 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14645 (frob_update_context): Likewise. Workaround missing S flag in
14646 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14647 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14648 Remove the psw_addr + 1 hack.
14650 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14652 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14653 with aggregates here.
14654 (find_func_aliases): Remove code for &<aggregate> from here.
14656 2006-02-26 Roger Sayle <roger@eyesopen.com>
14658 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14659 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14660 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14661 as (X & C) ne/eq 0.
14663 2006-02-26 Roger Sayle <roger@eyesopen.com>
14665 PR middle-end/19983
14666 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14668 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14670 * opts.c (decode_options): Do not handle flag_strength_reduce.
14671 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14672 and OPT_fstrength_reduce.
14673 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14674 flag_prefetch_loop_arrays for being nonzero.
14675 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14677 (fprefetch-loop-arrays-rtl): Removed.
14678 (flag_prefetch_loop_arrays): Do not specify the value.
14680 * doc/passes.texi: Update documentation of loop optimizer
14682 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14683 -frerun-loop-opt): Remove.
14685 2006-02-26 Richard Guenther <rguenther@suse.de>
14687 PR tree-optimization/26421
14688 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14689 in function calls that are ADDR_EXPRs as using the whole structure.
14691 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14693 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14694 * tree-pass.h (pass_loop_optimize): Remove.
14695 * passes.c (pass_loop_optimize): Never run it.
14696 * toplev.c (backend_init): Don't call init_loop.
14697 * opts.c (flag_loop_optimize_set): Remove.
14698 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14699 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14700 the old RTL loop optimizer when profiling enabled.
14701 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14702 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14703 pre-headers for the sake of the old RTL loop optimizer.
14704 * Makefile.in: Remove all references to loop.o.
14706 * doc/invoke.texi: Remove all references to -floop-optimize
14707 and -frerun-loop-opt.
14709 2006-02-26 Zack Weinberg <zackw@panix.com>
14711 * doc/md.texi (Machine Constraints): Refer to all files with paths
14712 relative to gcc directory (i.e. config/CPU/file). Add missing
14713 @table @code ... @end table to M32C subsection.
14715 2006-02-26 Roger Sayle <roger@eyesopen.com>
14717 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14719 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14721 2006-02-26 Roger Sayle <roger@eyesopen.com>
14722 James A. Morrison <phython@gcc.gnu.org>
14724 PR middle-end/21137
14725 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14726 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14727 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14728 signedness of the shift operation.
14730 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14732 PR tree-optimization/26359
14733 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14735 2006-02-25 Roger Sayle <roger@eyesopen.com>
14737 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14738 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14739 as X == 0, and some symmetry related transformations.
14740 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14742 2006-02-25 Roger Sayle <roger@eyesopen.com>
14744 PR middle-end/23673
14745 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14746 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14747 symmetry related transformations. Fold (X^C1) == C2 as
14750 2006-02-25 Juergen Weigert <jw@suse.de>
14751 Richard Guenther <rguenther@suse.de>
14753 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14755 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14757 * combine.c (gen_lowpart_or_truncate): Call
14758 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14760 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14762 * doc/invoke.texi: Move -fopenmp description to "Options for
14764 Remove reference to -lgomp.
14766 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14768 * doc/install.texi: Require GNU tar version 1.14.
14770 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14772 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14773 * doc/invoke.texi (C++ Dialect Options): Document
14774 -fno-use-cxa-get-exception-ptr.
14775 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14776 * configure: Regenerate.
14777 * c.opt (fuse-cxa-get-exception-ptr): New.
14778 * c-opts.c (c_common_handle_option): Handle
14779 OPT_fuse_cxa_get_exception_ptr.
14780 * c-common.c (flag_use_cxa_atexit): Update documentation.
14781 (flag_use_cxa_get_exception_ptr): New.
14782 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14783 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14785 (C_COMMON_OVERRIDE_OPTIONS): New.
14787 2006-02-24 Roger Sayle <roger@eyesopen.com>
14789 PR middle-end/24952
14790 * combine.c (try_combine): Explicitly check whether GET_CODE is
14791 a SET or a CLOBBER, instead on checking that it isn't a USE.
14793 2006-02-24 Roger Sayle <roger@eyesopen.com>
14795 * fold-const.c (fold_comparison): New subroutine of fold_binary
14796 containing transformations common to both the equality and
14797 ordering relational operators, factored out of fold_binary.
14798 (fold_binary): Separate out the equality operators (EQ_EXPR
14799 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14800 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14801 transformations common to both.
14802 (fold_div_compare): Fix latent bugs in the previously unreachable
14803 LT_EXPR and GE_EXPR cases.
14805 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14807 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14808 decl libname for clog to __clog on AIX.
14810 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14812 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14815 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14816 output traceback table for thunks. Localise rs6000_stack_info call.
14818 2006-02-23 Roger Sayle <roger@eyesopen.com>
14819 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14821 * gthr-posix.h (__gthrw): Fix typo in comment.
14823 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14825 * doc/cpp.texi (Character sets): Document that we do support
14826 input files to be in any character set.
14828 2006-02-23 Jeff Law <law@redhat.com>
14830 * tree.h (PHI_ARG_NONZERO): Remove.
14831 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14832 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14833 node to the new node.
14835 PR tree-optimization/26425
14836 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14837 min/max, then assume its varying.
14839 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14841 PR rtl-optimization/26316
14842 * rtlanal.c (enum may_trap_p_flags): New.
14843 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14844 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14845 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14846 (may_trap_after_code_motion_p): New function.
14847 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14848 (find_invariant_insn): Use may_trap_after_code_motion_p.
14849 * rtl.h (may_trap_after_code_motion_p): Declare.
14851 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14853 * emit-rtl.c (immed_double_const): Cleanup.
14855 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14857 Fix PR tree-optimization/26376
14858 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14861 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14863 PR middle-end/26412
14864 * gimplify.c (omp_add_variable): Guard variable size decl test with
14865 DECL_SIZE (decl) check.
14867 2006-02-23 Richard Guenther <rguenther@suse.de>
14869 PR middle-end/26439
14870 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14871 like aggregate types.
14873 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14875 * configure.ac: Add --with{,out}-long-double-128 configure option.
14876 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14877 * configure: Rebuilt.
14878 * config.in: Rebuilt.
14879 * doc/install.texi (Options specification): Document
14880 --with-long-double-128.
14882 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14883 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14884 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14885 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14887 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14889 * config/s390/s390.c (override_options): Handle
14890 TARGET_DEFAULT_LONG_DOUBLE_128.
14892 * config/alpha/alpha.c (override_options): Handle
14893 TARGET_DEFAULT_LONG_DOUBLE_128.
14895 * config/sparc/sparc.c (sparc_override_options): Handle
14896 TARGET_DEFAULT_LONG_DOUBLE_128.
14898 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14900 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14901 (real-install-headers-tar, real-install-headers-cpio)
14902 (real-install-headers-cp): New targets.
14904 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14906 * tree.h (variable_section): Delete.
14907 * varasm.c (variable_section): Delete.
14909 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14911 * install.texi: Add notes on install.texi2html.
14912 (Building in parallel): Do not use footnotes.
14914 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14917 * doc/install.texi (Configuration): Document --disable-libgomp.
14919 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14921 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14923 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14925 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14926 (vec_extractv2df_0_sse): New.
14928 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14930 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14931 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14932 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14933 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14934 to the result of the expression.
14935 (def_cfa_1): Adjust.
14936 (frame_pointer_cfa_offset): Rename to...
14937 (frame_pointer_fb_offset): ... this. Adjust all uses.
14938 (convert_cfa_to_loc_list): Rename to...
14939 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14940 Pass it on to build_cfa_loc.
14941 (compute_frame_pointer_to_cfa_displacement): Rename to...
14942 (compute_frame_pointer_to_fb_displacement): ... this. New
14943 offset parameter. Use it in computation.
14944 (gen_subprogram_die): Compute cfa_fb_offset with the new
14945 macro, and use it to compute the fb loc list and the
14948 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14950 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14951 replaced with register_operand.
14952 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14953 non-DREG is expensive.
14954 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14955 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14958 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14960 * doc/install.texi2html: Use set -e.
14962 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14964 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14965 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14966 * doc/invoke.texi (-fshared-data): Delete.
14967 * common.opt (fshared-data): Delete.
14968 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14969 (assemble_static_space): Remove #if 0 code.
14970 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14971 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14972 * config/cris/cris.h: Remove FIXME.
14974 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14976 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14979 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14981 PR middle-end/26379
14982 * combine.c (simplify_shift_const_1): Disable nested shifts
14983 optimization for vector shifts.
14985 2006-02-20 Roger Sayle <roger@eyesopen.com>
14987 PR tree-optimization/26361
14988 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14989 of unsigned integer types.
14991 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14993 * tree-chrec.c (eq_evolutions_p): New.
14994 * tree-chrec.h (eq_evolutions_p): Declared.
14995 * tree-data-ref.c: Fix formatting.
14996 (datadep_stats, dependence_stats): New.
14998 (print_direction_vector): New.
14999 (dump_data_dependence_relation): Use print_direction_vector.
15000 (object_analysis, create_data_ref): Handle COMPONENT_REF.
15001 (compute_subscript_distance): Static.
15002 (initialize_data_dependence_relation): Static. Get the number
15003 of loops surrounding the references from the callers, and initialize
15004 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
15005 base_object_differ_p analyzers.
15006 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
15007 compute_overlap_steps_for_affine_1_2,
15008 analyze_subscript_affine_affine): Count the classified dependences.
15009 Print a message when a test failed.
15010 (can_use_analyze_subscript_affine_affine): New.
15011 (analyze_siv_subscript): Compute the data dependences on symbolic
15012 scevs that verify can_use_analyze_subscript_affine_affine.
15013 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
15014 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
15015 Handle symbolic scevs.
15016 (analyze_overlapping_iterations): Let symbolic affine scevs to be
15018 (subscript_dependence_tester): Moved...
15019 (build_classic_dist_vector, build_classic_dir_vector): Don't use
15020 lambda_vector_clear on newly allocated vectors. Get nb_loops from
15021 DDR_SIZE_VECT instead of getting it in parameter.
15022 (subscript_dependence_tester): ... here. Take as a parameter
15023 loop_nest_depth. Call build_classic_dist_vector and
15024 build_classic_dir_vector.
15025 (compute_affine_dependence): Update subscript_dependence_tester
15026 parameters. Update datadep_stats counters. Call
15027 compute_subscript_distance.
15028 (compute_self_dependence): Save the dist and dir vectors. Call
15029 compute_subscript_distance.
15030 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
15031 (compute_all_dependences): Reorder parameters as they were before
15032 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
15033 compute_subscript_distance. Update the use of
15034 compute_affine_dependence and initialize_data_dependence_relation.
15035 (find_data_references_in_loop): Handle COMPONENT_REF.
15036 (compute_data_dependences_for_loop): Initialize dependence_stats.
15037 Don't call build_classic_dist_vector and build_classic_dir_vector.
15038 Update the parameters of initialize_data_dependence_relation and
15039 compute_all_dependences. Print the statistics from datadep_stats.
15040 (analyze_all_data_dependences): Static. Not used until the pass for
15041 checking the data dependences is contributed.
15042 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
15043 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
15044 (initialize_data_dependence_relation, compute_affine_dependence,
15045 analyze_all_data_dependences, compute_subscript_distance): Removed.
15046 (print_direction_vector): New.
15047 * lambda.h (gcd): ... here.
15048 (lambda_vector_gcd): Moved here from gcd_vector.
15049 * lambda-code.c (gcd, gcd_vector): Removed.
15050 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
15051 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
15053 2006-02-20 Diego Novillo <dnovillo@redhat.com>
15055 * ipa-type-escape.c: Tidy some comments and white space.
15056 * tree-ssa-operands.c: Likewise.
15058 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
15061 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
15062 (dump_decl_name): Do not walk the decl tree chains.
15063 * tree-pass.h (TDF_CHAIN): Remove.
15065 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15067 * Makefile.in (C): Remove
15069 (.PHONY): Remove C and PROTO
15071 2006-02-20 Roger Sayle <roger@eyesopen.com>
15073 PR middle-end/26236
15074 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
15075 deprecated CHAR_TYPE tree code.
15077 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15079 * configure.ac (target_list): Add install-info, dvi, html.
15080 * configure: Regenerate.
15082 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
15083 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
15084 treelang/Make-lang.in: Do not use double-colon rules.
15086 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
15088 * tree.h (struct tree_memory_tag): Add is_used_alone member.
15089 (TMT_USED_ALONE): New macro.
15090 * tree-pass.h (PROP_tmt_usage): New property.
15091 (TODO_update_tmt_usage): New todo.
15092 * tree-ssa-alias.c (updating_used_alone): New variable.
15093 (recalculate_used_alone): New function.
15094 (compute_may_aliases): Set updating_used_alone, call
15095 recalculate_used_alone.
15096 * tree-sra.c (pass_sra): Note that this pass destroys
15097 PROP_tmt_usage, and add TODO_update_tmt_usage.
15098 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
15099 * tree-flow.h (updating_used_alone): Prototype.
15100 (recalculate_used_alone): Ditto.
15101 * passes.c (execute_todo): Add code to set updating_used_alone,
15102 and call recalculate.
15103 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
15104 for clobber if used alone, and add assert to verify used_alone
15107 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
15109 * config/s390/s390.c (legitimize_pic_address): Assertions checking
15110 for non tls symbols added.
15111 (legitimize_address): Do nothing for PLUS expressions if one of the
15112 addends is a tls symbol reference.
15114 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15118 * Makefile.in (LDFLAGS): Define from autoconf substitution.
15120 * Makefile.in (BOOTSTRAPPING): New.
15121 (quickstrap): New definition if BOOTSTRAPPING=yes.
15123 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
15124 * configure.ac: Substitute all_selected_languages with the languages
15125 that were configured. For all the other variables except
15126 lang_specs_files, include all the languages in the tree.
15127 * configure: Regenerate.
15129 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
15130 if there is one. Run the commands to run fixincludes in the same
15133 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
15134 * doc/install.texi: Document exact conventions for searching target tools.
15135 Document --with-build-time-tools. Document toplevel bootstrap. Document
15136 something more about building an Ada cross-compiler. Don't list GNU Make
15137 requirements which affect all platforms.
15139 2006-02-19 Roger Sayle <roger@eyesopen.com>
15141 PR middle-end/19543
15142 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
15143 only equivalent if the have both the same mode and precision.
15145 2006-02-20 Ben Elliston <bje@au.ibm.com>
15147 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
15149 2006-02-19 Roger Sayle <roger@eyesopen.com>
15150 Steven Bosscher <stevenb.gcc@gmail.com>
15152 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
15153 constant pool references to identify stack mode constants.
15154 * rtlanal.c (constant_pool_constant_p): New predicate to check
15155 whether operand is a floating point constant in the pool.
15156 * rtl.h (constant_pool_constant_p): Prototype here.
15157 * loop.c (scan_loop): Avoid hoisting constants from the constant
15158 pool on STACK_REGS targets.
15159 (load_mems): Likewise.
15160 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
15161 loads into x87 registers expensive in terms of register pressure.
15163 2006-02-19 Roger Sayle <roger@eyesopen.com>
15165 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
15166 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
15168 2006-02-19 David Edelsohn <edelsohn@gnu.org>
15170 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15171 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
15173 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
15175 * doc/invoke.texi: Document -fipa-pta.
15176 * common.opt: Add ipa-pta option.
15177 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
15178 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
15179 (do_ds_constraint): Ditto.
15180 (get_constraint_for): Only add to referenced_vars if
15181 referenced_vars exists.
15182 (insert_into_field_list): Rewrite to do this unsorted.
15183 (insert_into_field_list_sorted): Rename old insert_into_field_list
15185 (create_function_info_for): Use insert_into_field_list_sorted.
15186 (create_variable_info_for): Rewrite so it uses unsorted version,
15187 since the field list is sorted.
15188 (intra_create_variable_infos): Only add to referenced_vars if
15189 referenced_vars exists.
15190 (ipa_pta_execute): Init heapvars, and delete when done.
15191 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15193 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15195 * doc/install.texi: Add missing `@samp'.
15197 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15199 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15202 2006-02-18 Mark Wielaard <mark@klomp.org>
15204 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15205 who added new 4.1 features, bug fixes and integration support.
15207 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15210 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15211 MEM for ABI_V4 pic.
15213 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15215 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15216 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15217 (copy_insn_1): Likewise. Don't copy each field individually.
15219 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15221 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15222 * rtl.c (rtx_size): Rename variable to...
15223 (rtx_code_size): ...this.
15224 (rtx_size): New function.
15225 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15226 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15228 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15229 * rtl.h (rtx_code_size): New variable.
15230 (rtx_size): Change from a variable to a function.
15231 (RTX_SIZE): Rename to...
15232 (RTX_CODE_SIZE): ...this.
15235 PR tree-optimization/17106
15236 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15237 (Anchored Addresses): New section.
15238 * doc/invoke.texi (-fsection-anchors): Document.
15239 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15240 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15241 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15242 * hooks.c (hook_bool_mode_rtx_false): New function.
15243 * hooks.h (hook_bool_mode_rtx_false): Declare.
15244 * gengtype.c (create_optional_field): New function.
15245 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15246 SYMBOL_REF_IN_BLOCK_P is true.
15247 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15248 (min_anchor_offset, max_anchor_offset): Likewise.
15249 (use_anchors_for_symbol_p): New hook.
15250 * toplev.c (compile_file): Call output_object_blocks.
15251 (target_supports_section_anchors_p): New function.
15252 (process_options): Check that -fsection-anchors is only used on
15253 targets that support it and when -funit-at-a-time is in effect.
15254 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15255 if the decl doesn't have one.
15256 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15257 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15258 of force_const_mem through use_anchored_address.
15259 (expand_expr_constant): New function.
15260 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15261 calling expand_expr for INDIRECT_REF.
15262 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15263 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15264 * expr.h (use_anchored_address): Declare.
15265 * loop-unroll.c: Don't declare rtx vectors here.
15266 * explow.c: Include output.h.
15267 (validize_mem): Call use_anchored_address.
15268 (use_anchored_address): New function.
15269 * common.opt (-fsection-anchors): New switch.
15270 * varasm.c (object_block_htab, anchor_labelno): New variables.
15271 (hash_section, object_block_entry_eq, object_block_entry_hash)
15272 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15273 (use_blocks_for_decl_p, change_symbol_section): New functions.
15274 (get_variable_section): New function, split out from assemble_variable.
15275 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15276 use_blocks_for_decl_p say so. Use change_symbol_section if the
15277 symbol has already been created.
15278 (assemble_variable_contents): New function, split out from...
15279 (assemble_variable): ...here. Don't output any code for
15280 block symbols; just pass them to place_block_symbol.
15281 Use get_variable_section and assemble_variable_contents.
15282 (get_constant_alignment, get_constant_section, get_constant_size): New
15283 functions, split from output_constant_def_contents.
15284 (build_constant_desc): Create a block symbol if use_object_blocks_p
15285 says so. Or into SYMBOL_REF_FLAGS.
15286 (assemble_constant_contents): New function, split from...
15287 (output_constant_def_contents): ...here. Don't output any code
15288 for block symbols; just pass them to place_section_symbol.
15289 Use get_constant_section and get_constant_alignment.
15290 (force_const_mem): Create a block symbol if use_object_blocks_p and
15291 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15292 (output_constant_pool_1): Add an explicit alignment argument.
15293 Don't switch sections here.
15294 (output_constant_pool): Adjust call to output_constant_pool_1.
15295 Switch sections here instead. Don't output anything for block symbols;
15296 just pass them to place_block_symbol.
15297 (init_varasm_once): Initialize object_block_htab.
15298 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15299 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15300 (place_block_symbol, get_section_anchor, output_object_block)
15301 (output_object_block_htab, output_object_blocks): New functions.
15302 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15303 (TARGET_ASM_OUT): Include it.
15304 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15305 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15306 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15307 (TARGET_INITIALIZER): Include them.
15308 * rtl.c (rtl_check_failed_block_symbol): New function.
15309 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15310 (block_symbol, object_block): New structures.
15311 (rtx_def): Add a block_symbol field to the union.
15312 (BLOCK_SYMBOL_CHECK): New macro.
15313 (rtl_check_failed_block_symbol): Declare.
15314 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15315 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15316 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15317 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15318 * output.h (output_section_symbols): Declare.
15319 (object_block): Name structure.
15320 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15321 (default_use_anchors_for_symbol_p): Declare.
15322 * Makefile.in (RTL_BASE_H): Add vec.h.
15323 (explow.o): Depend on output.h.
15324 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15325 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15326 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15327 (rs6000_use_blocks_for_constant_p): New function.
15329 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15331 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15333 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15336 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15339 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15341 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15345 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15347 PR middle-end/26334
15348 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15349 instead of DECL_REGISTER.
15351 2006-02-18 Olivier Hainque <hainque@adacore.com>
15354 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15356 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15359 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15360 * opth-gen.awk: Handle Var and InverseMask together.
15361 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15362 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15363 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15364 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15366 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15367 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15368 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15369 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15370 LINUX_DYNAMIC_LINKER): Define.
15371 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15372 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15374 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15375 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15376 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15377 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15378 (TARGET_C99_FUNCTIONS): Don't define.
15379 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15380 GLIBC_DYNAMIC_LINKER.
15381 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15382 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15383 GLIBC_DYNAMIC_LINKER64): Define.
15384 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15385 LINUX_DYNAMIC_LINKER64.
15386 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15387 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15388 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15389 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15390 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15391 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15392 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15393 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15394 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15395 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15396 and LINUX_DYNAMIC_LINKER32.
15397 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15398 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15399 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15400 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15401 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15403 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15404 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15405 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15406 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15407 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15408 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15409 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15410 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15411 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15412 LINUX_DYNAMIC_LINKER): Define.
15413 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15414 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15415 GLIBC_DYNAMIC_LINKER64): Define.
15416 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15417 LINUX_DYNAMIC_LINKER64.
15418 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15419 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15420 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15421 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15422 LINUX_DYNAMIC_LINKER): Define.
15423 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15424 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15425 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15426 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15427 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15428 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15429 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15430 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15431 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15432 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15433 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15434 * doc/invoke.texi (-muclibc): Remove caveat about supported
15437 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15439 * doc/cpp.texi (__TIMESTAMP__): Document.
15441 2006-02-17 Roger Sayle <roger@eyesopen.com>
15443 PR middle-end/25600
15444 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15445 C is one less than the width of X (and related transformations).
15446 * simplify-rtx.c (simplify_unary_operation_1): Transform
15447 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15448 depending on STORE_FLAG_VALUE, were C is one less then the
15451 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15453 Fix PR tree-optimization/26341
15454 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15455 about NAME_MEMORY_TAG's.
15457 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15460 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15461 with hardware float support, and software float support. Add fcpy
15462 alternative to hardware patterns. Add alternatives to copy between
15463 general and floating-point registers to the 32-bit pattern.
15464 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15465 secondary reload to load a QI or HI mode constant into a floating
15467 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15468 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15470 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15473 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15475 (load_macho_picbase_di): Likewise.
15477 2006-02-16 Jeff Law <law@redhat.com>
15479 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15480 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15481 (ssa_name_nonzero_p): Likewise.
15482 (get_value_range): Return NULL if VRP is not running.
15483 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15484 VRP routines do not discover a range.
15485 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15486 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15487 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15488 (tree_expr_nonnegative_p): Similarly.
15489 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15490 (restore_nonzero_vars_to_original_value): Remove.
15491 (unsafe_associative_fp_binop): Remove.
15492 (tree_ssa_dominator_optimize): Remove initialization and
15493 finalization of nonzero_vars and nonzero_vars_stack.
15494 (dom_opt_initialize_block): No longer push marker on
15495 nonzero_vars_stack.
15496 (dom_opt_finalize_block): No longer call
15497 restore_nonzero_vars_to_original_value.
15498 (record_equivalences_from_phis): No longer look for
15499 nonzero PHI arguments.
15500 (cprop_into_successor_phis): No longer propagate nonzero
15501 property into PHI arguments. Lose unused argument. Caller
15503 (record_equivalences_from_stmt): No longer record nonzero
15504 values for SSA_NAMEs.
15505 (lookup_avail_expr): No longer use nonzero_vars.
15507 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15508 for sizetype when sizetype is unsigned.
15510 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15512 PR rtl-optimization/25603
15513 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15514 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15515 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15516 with new meaning of SETS.
15518 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15523 * config/linux.opt: New file.
15524 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15525 LINUX_DYNAMIC_LINKER): Define.
15526 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15527 * config.gcc (*-*-linux*): Define extra_options.
15528 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15529 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15530 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15531 GLIBC_DYNAMIC_LINKER.
15532 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15533 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15534 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15535 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15536 * doc/invoke.texi (GNU/Linux Options): New section.
15538 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15540 * config/sparc/sparc.md (setjmp): Rewrite.
15541 (setjmp_32): Delete.
15542 (setjmp_64): Likewise.
15544 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15546 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15549 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15551 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15554 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15556 PR rtl-optimization/26296
15557 * Makefile.in (loop-invariant.c): Add except.h dependency.
15558 * loop-invariant.c: Include except.h.
15559 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15561 2005-02-16 Paul Brook <paul@codesourcery.com>
15563 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15566 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15568 PR rtl-optimization/25636
15569 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15570 when deciding whether an insn is an initializing insn.
15572 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15574 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15575 (tree_code_size): Ditto.
15576 * tree.h (struct tree_memory_tag): Remove parent_var.
15577 (struct tree_struct_field_tag): New.
15580 (union tree_node): Add sft member.
15581 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15583 (create_sft): Add size and offset argument, set SFT_OFFSET and
15585 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15586 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15587 * tree-flow-inline.h (get_subvar_at): Update for
15588 SFT_OFFSET/SFT_SIZE.
15589 (var_can_have_subvars): Ditto.
15590 (overlap_subvar): Ditto.
15591 * print-tree.c (print_node): Print out interesting things for
15593 * tree-flow.h (struct subvar): Remove offset and size members.
15594 * tree-ssa-operands.c (get_expr_operands): Update for
15595 get_indirect_ref_operands changes.
15596 (get_indirect_ref_operands): Call add_virtual_operand instead of
15597 add_stmt_operand. Only recurse on base var if requested.
15598 (access_can_touch_variable): New function.
15599 (add_stmt_operand): Split virtual operand handling into ...
15600 (add_virtual_operand): Here. Add offset, size, and for_clobber
15601 arguments. Prune alias sets.
15602 (add_call_clobber_ops): Call add_virtual_operand.
15604 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15606 PR middle-end/26300
15607 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15609 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15610 than TREE_CODE as index into omp_clause_num_ops array.
15612 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15614 PR rtl-optimization/26184
15615 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15617 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15618 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15619 must_precede, must_follow and tobe_scheduled.
15622 * opts.c (common_handle_option): Free new_option pointer.
15623 * df-core.c (df_analyze): Free postorder pointer.
15625 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15627 * Makefile.in: Fix the examples about the use of stamps
15629 2006-02-15 Michael Matz <matz@suse.de>
15631 PR middle-end/22275
15633 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15634 influenced by maximum_field_alignment or DECL_PACKED.
15635 (update_alignment_for_field): Ditto.
15636 (place_field): Ditto.
15637 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15640 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15642 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15643 (debug_flow_info): Pass it.
15644 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15645 * bb-reorder.c (reorder_basic_blocks): Likewise.
15646 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15647 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15648 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15649 * gcse.c (gcse_main, bypass_jumps): Likewise.
15650 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15651 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15652 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15653 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15654 * rtl.h (dump_flow_info): Adjust prototype.
15655 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15656 * var-tracking.c (variable_tracking_main): Likewise.
15657 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15658 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15661 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15663 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15666 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15668 PR tree-optimization/26209
15669 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15670 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15672 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15674 2006-02-14 Roger Sayle <roger@eyesopen.com>
15676 PR middle-end/23670
15677 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15678 (X,Y) and the corresponding symmetry related transformations.
15679 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15680 (X,Y) and its symmetry related transformations.
15682 2006-02-14 Roger Sayle <roger@eyesopen.com>
15684 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15687 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15689 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15691 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15694 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15695 support COMDAT group.
15696 * configure: Regenerate.
15698 2006-02-14 Roger Sayle <roger@eyesopen.com>
15700 PR middle-end/26279
15701 PR middle-end/26280
15702 PR middle-end/26283
15703 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15705 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15707 Fix PR tree-optimization/26260
15709 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15711 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15712 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15713 * tree-ssa-structalias.c (create_variable_info_for): Use
15714 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15716 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15718 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15720 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15721 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15722 of the ending condition.
15723 * tree-ssa-loop-manip.c: Include params.h.
15724 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15725 tree_unroll_loop): New functions.
15726 * tree-pass.h (pass_loop_prefetch): Declare.
15727 * loop.c (rest_of_handle_loop_optimize): Test for
15728 -fprefetch-loop-arrays-rtl.
15729 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15730 * timevar.def (TV_TREE_PREFETCH): New timevar.
15731 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15732 pass_loop_prefetch): New.
15733 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15734 (cleanup_tree_cfg_loop): Call scev_reset.
15735 * common.opt (fprefetch-loop-arrays-rtl): Add.
15736 * tree-ssa-loop-prefetch.c: New file.
15737 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15738 (new_temp_expr_table): Initialize expr_vars.
15739 (free_temp_expr_table): Cleanup expr_vars.
15740 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15741 expressions from being merged into one.
15742 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15743 (struct tree_niter_desc): Add control, bound and cmp fields.
15744 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15746 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15747 (tree-cfgcleanup.o): Add SCEV_H dependency.
15748 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15749 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15751 2006-02-14 Richard Guenther <rguenther@suse.de>
15753 PR tree-optimization/26258
15754 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15755 in PHI argument processing.
15757 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15759 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15760 new expression in the requested machine mode.
15762 2006-02-13 Roger Sayle <roger@eyesopen.com>
15764 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15765 directly, instead let do_compare_rtx_and_jump handle this for us.
15766 * expr.c (expand_expr_real_1): Likewise.
15767 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15768 before do_jump_by_parts_greater.
15769 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15770 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15772 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15774 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15776 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15778 PR rtl-optimization/26235
15779 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15780 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15783 2006-02-13 Jeff Law <law@redhat.com>
15785 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15788 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15790 PR middle-end/26092
15791 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15792 twice if decl is a builtin. When trying again, call get_callee_fndecl
15793 first to verify it is still a builtin.
15795 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15797 * dwarf2out.c (base_type_die): Don't add AT_name here.
15798 (subrange_type_die): Don't add AT_name here.
15799 (modified_type_die): Rearrange code flow. Do add AT_name here.
15801 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15803 PR rtl-optimization/26247
15804 PR rtl-optimization/26248
15805 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15807 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15809 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15810 * config/fixtfdi.c: Likewise.
15811 * config/fixunstfdi.c: Likewise.
15812 * config/floatditf.c: Likewise.
15814 2006-02-13 Roger Sayle <roger@eyesopen.com>
15816 PR middle-end/24427
15817 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15818 into (X,C2) if C1 is a subset of the bits of C2. Transform
15819 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15821 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15823 2006-02-13 Josh Conner <jconner@apple.com>
15826 * varasm.c (function_section): Check for section name before
15827 calling select_section on targets that define
15828 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15829 unlikely_text_section instead of hot_function_section if
15830 first_function_block_is_cold.
15832 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15834 PR middle-end/25335
15835 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15837 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15839 PR rtl-optimization/26222
15840 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15841 after tree->rtl expansion.
15842 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15843 before passing it to emit_move_insn.
15845 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15847 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15849 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15850 Clarify documentation.
15851 * c-common.h (warn_write_strings): Remove.
15852 * c-common.c (warn_write_strings): Likewise.
15853 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15856 2006-02-12 Roger Sayle <roger@eyesopen.com>
15858 PR middle-end/25724
15859 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15860 (do_jump_parts_zero_rtx): New function renamed from
15861 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15862 (do_jump_parts_equality_rtx): New function split out from
15863 do_jump_parts_equality. Old implementation renamed as above.
15864 Call do_jump_parts_zero_rtx if either operand is zero.
15865 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15866 do all of the heavy lifting.
15867 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15868 calling either do_jump_by_parts_greater_rtx or
15869 do_jump_by_parts_equality_rtx.
15870 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15871 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15872 moved to do_compare_rtx_and_jump, call it directly.
15873 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15874 mode argument. Call do_compare_rtx_and_jump.
15875 (emit_case_nodes): Update calls to do_jump_if_equal.
15877 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15879 PR rtl-optimization/26225
15880 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15882 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15884 PR rtl-optimization/26232
15885 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15887 2006-02-11 Jason Merrill <jason@redhat.com>
15890 * tree-inline.c (declare_return_variable): Just don't use the
15891 modify target if it's a gimple complex reg and the return slot
15894 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15896 * doc/contrib.texi: Update my entry.
15898 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15900 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15902 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15904 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15907 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15909 * doc/invoke.texi (-floop-optimize2): Removed.
15910 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15911 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15912 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15913 * common.opt (floop-optimize2): Removed.
15914 (fmove-loop-invariants): Enabled by default.
15916 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15918 * tree-if-conv.c (combine_blocks): Free the result of
15919 get_loop_exit_edges.
15921 2006-02-10 Jeff Law <law@redhat.com>
15923 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15925 PR tree-optimization/26213
15926 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15927 loop trying to follow SSA_NAME_VALUE chains.
15929 2006-02-10 Richard Guenther <rguenther@suse.de>
15931 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15932 deal with structures that end in implicitly variable sized arrays.
15934 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15936 PR rtl-optimization/24762
15937 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15940 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15942 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15943 (struct ivopts_data): Add regs_used field.
15944 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15945 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15946 instead of loop_data->regs_used;
15947 (free_loop_data): Do not free aux fields for loops.
15948 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15949 and tree_ssa_iv_optimize_finalize.
15951 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15953 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15955 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15958 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15959 computing the effective result type.
15961 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15963 PR inline-asm/16194
15964 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15965 (tree_overlaps_hard_reg_set): Declare.
15966 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15967 type and signature to match function type expected by walk_tree.
15968 (tree_overlaps_hard_reg_set): New function.
15969 (decl_conflicts_with_clobbers_p): Rename to:
15970 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15971 Use tree_overlaps_hard_reg_set. Changed caller.
15972 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15973 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15974 * cris.c (cris_md_asm_clobbers): Likewise.
15976 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15978 * reload1.c (emit_input_reload_insns): Delete code that tries to
15979 inherit using find_equiv_reg.
15981 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15983 * c-common.h (flag_const_strings): Don't declare.
15984 * c-common.c (flag_const_strings): Remove.
15985 * c.opt (fconst_strings): Remove.
15986 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15987 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15988 (c_common_init_options): Don't set flag_const_strings.
15989 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15991 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15993 * arm.md (tlobits_cbranch): New pattern.
15994 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15995 testing a single bit.
15997 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16000 * tree-ssa-pre.c (create_component_ref_by_pieces):
16001 Handle RETURN_DECL like VAR_DECL.
16003 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16005 PR middle-end/26134
16006 * fold-const.c (fold_indirect_ref_1): Fold
16007 "*(foo *)&complexfoo" to "__real__ complexfoo"
16008 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
16010 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16012 * tree-flow-inline.h (var_can_have_subvars):
16013 Volatile variables should not have subvariables.
16015 2006-02-09 Diego Novillo <dnovillo@redhat.com>
16018 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
16019 multiplying unsigned values.
16022 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
16024 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
16026 2006-02-08 Jason Merrill <jason@redhat.com>
16029 * tree.def: Elaborate on difference from MODIFY_EXPR.
16030 * doc/c-tree.texi (INIT_EXPR): Likewise.
16031 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
16032 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
16033 (gimplify_target_expr): Likewise.
16034 (gimplify_cond_expr): Remove target handling.
16035 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
16036 (gimplify_expr): Clobber it here.
16037 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
16038 Do return slot optimization if we have an INIT_EXPR.
16041 * tree-inline.c (declare_return_variable): Also clear
16042 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
16045 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
16047 PR middle-end/22439
16048 * gimplify.c (gimplify_one_sizepos): Fix typo.
16050 2006-02-08 Jeff Law <law@redhat.com>
16052 PR tree-optimization/21417
16053 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
16054 across a backedge if the control statement at the end of the
16055 block is data dependent on other statements in the same block.
16056 (record_temporary_equivalences_from_stmts): Remove over-conservative
16057 test for threading across backedges.
16059 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
16060 control statement, handle all three special cases in the same
16061 manner as they all have the same desired solution. No longer
16062 special case edge flag updating when the post dominator is
16065 2006-02-08 Roger Sayle <roger@eyesopen.com>
16067 * tree.def (CHAR_TYPE): Remove.
16068 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
16069 * dwarf2out.c (base_type_die, is_base_type): Likewise.
16070 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
16071 (gen_string_type_die): Delete unreachable function.
16073 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
16074 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
16075 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
16076 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
16077 * builtins.c (type_to_class): Likewise.
16078 * fold-const.c (fold_convert, build_range_check,
16079 merge_ranges): Likewise.
16080 * expr.c (count_type_elements): Likewise.
16081 * c-pretty-print.c (pp_c_type_specifier): Likewise.
16082 * stor-layout.c (layout_type): Likewise.
16083 * ipa-type-escape.c (type_to_consider): Likewise.
16084 * gimplify.c (omp_firstprivatize_type_sizes,
16085 gimplify_type_sizes): Likewise.
16086 * explow.c (promote_mode): Likewise.
16087 * tree-sra.c (is_sra_scalar_type): Likewise.
16088 * varasm.c (output_constant): Likewise.
16089 * tree-inline.c (remap_type_1): Likewise.
16090 * convert.c (convert_to_pointer, convert_to_real,
16091 convert_to_integer, convert_to_complex): Likewise.
16093 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
16095 * df-scan.c (df_def_record_1): A set destination may
16096 be a parallel regardless of mode.
16098 2006-02-08 Roger Sayle <roger@eyesopen.com>
16101 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
16102 * config/mips/_tilib.c: Remove.
16103 * config/fixtfdi.c: New libgcc source file.
16104 * config/fixunstfdi.c: New source file.
16105 * config/floatditf.c: New source file.
16106 * config/floatunditf.c: New souce file.
16107 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
16108 files above instead of config/mips/_tilib.c.
16109 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
16111 2006-02-08 Jeff Law <law@redhat.com>
16113 PR tree-optimization/26169
16114 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
16117 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
16119 * df.h (DF_REG_SIZE): Return the length of the initialized
16122 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
16124 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
16125 __muldf3): Return a correctly signed zero.
16127 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
16129 * passes.c (register_one_dump_file): Accept the current properties
16130 instead of pass number. Adjust call to dump_register. Remove
16132 (register_dump_files): Now a wrapper around...
16133 (register_dump_files_1): ... this one. Do not modify the pass
16135 (next_pass_1): Cosmetic fix.
16136 (execute_todo): Keep second parameter only. Use curr_properties
16137 instead of fetching it from the pass structure. Check and set
16139 (execute_one_pass): Handle TODO_set_props. Use curr_properties
16140 instead of fetching it from the pass structure. Fix calls to
16141 execute_todo. Update curr_properties and initialize .vcg RTL dump
16142 after running the pass. Reset last_verified.
16143 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
16145 (FIRST_AUTO_NUMBERED_DUMP): New.
16146 (dump_register): Remove "num" parameter, assign it within the
16148 (get_dump_file_name): Modify template for dumps.
16149 * tree-dump.h (dump_register): Adjust prototype.
16150 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
16151 (PROP_trees): Add PROP_gimple_lomp.
16152 (TODO_set_props): New.
16153 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
16154 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
16155 * cfgexpand.c (pass_expand): Destroy PROP_trees.
16157 2006-02-08 Jakub Jelinek <jakub@redhat.com>
16159 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
16160 (sparc64-*-linux*): Likewise.
16161 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
16162 * config/sparc/t-linux: New file.
16163 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
16164 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
16165 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
16166 -m32 -mlong-double-128.
16168 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
16169 * config/alpha/t-linux: New file.
16170 * config/alpha/libgcc-alpha-ldbl.ver: New file.
16172 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
16173 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
16174 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
16175 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
16176 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
16177 (CPP_ARCH32_SPEC): Remove.
16179 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
16181 PR tree-optimization/26145
16182 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
16185 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16188 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
16189 >= 240000 when generating code for SOM runtime.
16190 (output_indirect_call): Don't use "b,l" instruction for indirect calls
16191 to $$dyncall when generating code for SOM runtime..
16193 2006-02-07 Dirk Mueller <dmueller@suse.com>
16196 * doc/invoke.texi (-Wsequence-point): Update documentation
16197 that -Wsequence-point is implemented for C++ as well.
16199 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16201 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16202 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16203 (LIB_SPEC): Likewise.
16204 * doc/invoke.texi (SPARC options): Document -pthread.
16206 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16208 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16211 2006-02-07 Roger Sayle <roger@eyesopen.com>
16213 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16214 Correct comment describing BOOLEAN_TYPE.
16216 2006-02-07 Dirk Mueller <dmueller@suse.com>
16218 * c.opt: C++ frontend supports -Wdiv-by-zero.
16219 * c-opts.c (c_common_handle_option): Remove dead case.
16221 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16223 * configure.ac (TLS assembler check): Do not enable TLS by
16224 default on SPARC/Solaris before version 10.
16225 * configure: Regenerate.
16227 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16229 * doc/invoke.texi (xl-compat): Document conversion and support
16232 2006-02-07 Jeff Law <law@redhat.com>
16234 * tree-vrp.c (find_conditional_asserts): Update comments.
16235 (simplify_stmt_for_jump_threading): New.
16236 (identify_jump_threads, finalize_jump_threads): New.
16237 (vrp_finalize): Call identify_jump_threads.
16238 (execute_vrp): Call finalize_jump_threads.
16239 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16240 (vrp_element, vrp_data, vrp_element_p): Remove.
16241 (vrp_hash_elt, vrp_variables_stack): Remove.
16242 (vrp_hash, vrp_eq, record_range): Remove.
16243 (simplify_cond_and_lookup_avail_expr): Remove.
16244 (extract_range_from_cond): Remove.
16245 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16246 (simplify_stmt_for_jump_threading): New.
16247 (dom_thread_across_edge): New wrapper.
16248 (tree_ssa_dominator_optimize): No longer initialize or
16249 finalize any of the VRP datastructures. Remove iteration
16250 step and simplify as a result of removal of iteration step.
16251 (pass_dominator): Perform a cfg cleanup after DOM.
16252 (dom_opt_finalize_block): Use the new common routines
16253 for threading jumps. Simplify stack management slightly.
16254 No longer need to unwind VRP state.
16255 (record_equivalences_from_incoming_edge): No longer record
16257 (eliminate_redundant_computations): No longer call
16258 simplify_cond_and_lookup_avail_expr.
16259 * tree-flow.h (potentially_threadable_block): Prototype.
16260 (thread_across_edge): Likewise.
16261 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16262 (tree-ssa-threadedge.o): Add dependencies.
16263 * tree-ssa-threadedge.c: New file.
16264 * passes.c (init_optimization_passes): Merge PHIs before
16265 calling VRP. Run VRP again late in the SSA optimization pipeline.
16267 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16269 * df-core.c (df_set_blocks): Do not dereference function pointers.
16270 (df_finish1): Likewise.
16271 (df_hybrid_search_forward): Likewise.
16272 (df_hybrid_search_backward): Likewise.
16273 (df_iterative_dataflow): Likewise.
16274 (df_analyze_problem): Likewise.
16275 (df_compact_blocks): Likewise.
16276 (df_dump): Likewise.
16277 * df-scan.c (df_rescan_blocks): Likewise.
16278 (df_record_entry_block_defs): Likewise.
16280 * genconditions.c (write_conditions): Guard the definition of
16281 'insn_conditions' with the check on GCC version.
16282 (write_writer): Guard the traversal 'insn_conditions' with
16283 the check on GCC version.
16285 2006-02-07 Richard Guenther <rguenther@suse.de>
16289 2006-01-30 Richard Guenther <rguenther@suse.de>
16291 * gimplify.c (gimplify_target_expr): Handle easy cases
16292 without creating a temporary.
16294 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16296 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16297 use of float in probability computations. Use edge probabilities
16298 in place of statically computed probabilities.
16299 (min_spec_prob): New static variable.
16300 (schedule_insns): Initialize it.
16301 (GET_SRC_PROB): Removed.
16302 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16304 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16307 * config/ia64/unwind-ia64.c: Revert last change.
16308 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16309 (INCOMING_FRAME_SP_OFFSET): Define.
16311 2006-02-06 Roger Sayle <roger@eyesopen.com>
16313 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16315 2006-02-07 Ben Elliston <bje@au.ibm.com>
16317 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16318 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16319 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16320 (ix86_return_in_memory): Handle TDmode.
16321 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16322 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16324 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16326 * reorg.c (dbr_schedule): Use dump_file instead of file.
16328 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16331 * config/ia64/predicates.md (extr_len_operand): New predicate.
16332 * config/ia64/ia64.md (extv): Tighten constraints.
16334 (*tbit_and_2): Ditto.
16335 (*tbit_and_3): Ditto.
16336 (*tbit_or_2): Ditto.
16337 (*tbit_or_3): Ditto.
16338 (*bit_zero): Ditto.
16341 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16344 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16346 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16348 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16349 loop_optimizer_init and loop_optimizer_finalize
16350 * tree-ssa-sink.c (execute_sink_code): Ditto.
16351 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16352 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16353 tree_ssa_loop_done): Ditto.
16354 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16355 * sched-ebb.c: Include output.h.
16356 (schedule_ebbs): Do not use dump argument.
16357 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16358 * loop.c (loop_dump_stream): Removed.
16359 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16361 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16362 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16363 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16364 loop_iterations, strength_reduce, record_biv, record_giv,
16365 final_giv_value, check_final_value, check_ext_dependent_givs,
16366 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16367 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16368 dump_file instead of loop_dump_stream.
16369 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16370 argument dump_file.
16371 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16373 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16374 * haifa-sched.c: Include output.h
16375 (schedule_insns, sched_init): Do not use dump argument.
16376 * mode-switching.c (optimize_mode_switching): Ditto.
16377 * modulo-sched.c (stats_file): Removed.
16378 (print_node_sched_params): Do not call argument dump_file.
16379 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16380 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16382 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16384 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16385 rtl_loop_init, rtl_loop_done): Ditto.
16386 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16387 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16389 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16390 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16391 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16392 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16393 * emit-rtl.c (renumber_insns): Ditto.
16394 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16395 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16396 * regclass.c (regclass): Ditto.
16397 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16398 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16399 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16400 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16402 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16403 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16405 * gcse.c (gcse_file, debug_stderr): Removed.
16406 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16407 rest_of_handle_gcse): Do not use dump argument.
16408 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16409 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16410 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16411 compute_code_hoist_vbeinout, compute_code_hoist_data,
16412 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16413 compute_store_table, build_store_vectors, insert_insn_start_bb,
16414 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16415 store_motion): Use dump_file instead of gcse_file.
16416 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16417 * profile.c (profile_dump_file): Removed.
16418 (branch_prob): Use dump_file instead of profile_dump_file.
16419 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16421 * tree-ssa-copy.c (dump_copy_of): Ditto.
16422 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16423 dump file to life_analysis.
16424 * bt-load.c (branch_target_load_optimize): Ditto.
16425 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16427 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16428 regclass, dbr_schedule): Declaration changed.
16429 * sched-int.h (sched_init): Declaration changed.
16430 * tree-profile.c (tree_profile_dump_file): Removed.
16431 (tree_profile_hooks): Removed profile_dump_file hook.
16432 * rtl-profile (rtl_profile_dump_file): Removed.
16433 (rtl_profile_hooks): emoved profile_dump_file hook.
16434 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16436 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16437 * tree-cfg.c (build_tree_cfg): Ditto.
16438 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16439 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16440 Declaration changed.
16441 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16442 life_analysis and schedule_insns.
16443 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16445 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16447 * config/mips/mips.c (mips_reorg): Ditto.
16448 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16451 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16453 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16454 (s390_mangle_fundamental_type): New.
16455 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16458 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16459 (alpha_mangle_fundamental_type): New.
16460 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16463 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16465 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16467 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16468 (sparc_mangle_fundamental_type): New.
16470 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16472 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16473 (s390x-*-linux*): Likewise.
16474 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16475 * config/s390/t-linux: New file.
16477 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16479 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16480 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16482 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16484 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16485 (ANTIC_SAFE_LOADS): New macro.
16486 (find_or_generate_expression): Add prototype.
16487 (set_contains_value): Allow null set for sake of not always having
16488 to allocate ANTIC_SAFE_LOADS.
16489 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16490 Allow COMPONENT_REF too.
16491 (valid_in_set): Allow COMPONENT_REF.
16492 Check ANTIC_SAFE_LOADS too.
16493 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16494 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16496 (can_PRE_operation): Add COMPONENT_REF.
16497 (create_component_ref_by_pieces): New function.
16498 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16499 (insert_aux): Move AGGREGATE_TYPE_P check here.
16500 (compute_avail): Set bb local stmt uids.
16501 (pass_pre): Use TODO_update_ssa_only_virtuals.
16503 2006-02-06 Ben Elliston <bje@au.ibm.com>
16505 * configure.ac: Unconditionally disable decimal float by default.
16506 * configure: Regenerate.
16508 2006-02-06 Ben Elliston <bje@au.ibm.com>
16510 * read-rtl.c (read_name): Terminate reading on EOF.
16512 2006-02-06 Ben Elliston <bje@au.ibm.com>
16514 * dfp.c (decimal_real_arithmetic): Change second argument type
16515 from int to enum tree_code. Do not always return true, but now
16516 return result of any call to decimal_do helper functions.
16517 * dfp.h (decimal_real_arithmetic): Update prototype.
16519 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16521 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16523 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16526 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16529 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16531 * tree-vrp.c (cfg_loops): Removed.
16532 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16533 Use current_loops instead of cfg_loops. Pass flags to
16534 loop_optimizer_init.
16535 * cfgloopmanip.c (fix_loop_structure): Update only available
16537 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16538 loop_optimizer_init.
16539 * modulo-sched.c (build_loops_structure): Removed.
16540 (sms_schedule): Use loop_optimizer_init.
16541 * loop-init.c (loop_optimizer_init): Use flags to determine
16542 which properties of loops to prepare.
16543 (rtl_loop_init): Pass flags to loop_optimizer_init.
16544 * tree-ssa-sink.c (execute_sink_code): Ditto.
16545 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16546 * tree-ssa-pre.c (init_pre): Ditto.
16547 * cfgloop.h (LOOPS_NORMAL): New.
16548 (loop_optimizer_init): Declaration changed.
16550 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16552 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16553 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16555 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16557 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16559 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16560 * pa/t-pa64: Delete quadlib.c rule.
16561 * pa/x-ada: Revert last change.
16562 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16564 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16566 PR rtl-optimization/26087
16567 * rtlanal.c (canonicalize_condition): Do not cross basic block
16570 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16573 * config/ia64/ia64.c: Include debug.h.
16574 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16575 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16576 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16577 (process_epilogue, process_set, process_for_unwind_directive):
16578 Output unwind info only if requested. Add CFA info if requested.
16579 Add new arguments as needed. Adjust callers.
16580 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16582 (DWARF2_FRAME_INFO): Define to zero.
16583 * config/ia64/unwind-ia64.c: Remove code that compensated for
16584 the CFA offset error fixed above.
16585 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16586 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16587 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16588 -funwind-tables and -fexceptions to enable frame info.
16589 (dwarf2out_frame_init): Define initial CFA even if
16590 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16591 DWARF2_UNWIND_INFO is nonzero, not just defined.
16592 (dwarf2out_frame_finish): Output non-EH call frame info only
16593 if DWARF2_FRAME_INFO is nonzero.
16594 (convert_cfa_to_loc_list,
16595 compute_frame_pointer_to_cfa_displacement): Define even if
16596 unwind info is not supported.
16597 (gen_subprogram_die): Use the above unconditionally. Remove
16598 legacy alternate code.
16599 * toplev.c (compile_file): Compile in call to
16600 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16601 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16603 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16604 Jakub Jelinek <jakub@redhat.com>
16606 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16607 IBM extended float format long double as "g" on powerpc*-linux.
16609 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16612 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16613 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16615 2006-02-03 Jason Merrill <jason@redhat.com>
16618 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16620 PR middle-end/25977
16621 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16622 on the return slot if it's an NRV.
16624 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16626 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16627 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16628 rewrite_use): Do not handle USE_OUTER.
16629 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16630 add_iv_outer_candidates, may_replace_final_value,
16631 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16632 (find_interesting_uses_op): Functionality of
16633 find_interesting_uses_outer_or_nonlin moved here.
16634 (find_interesting_uses_outside): Use find_interesting_uses_op.
16636 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16639 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16641 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16642 Ulrich Weigand <uweigand@de.ibm.com>
16645 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16646 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16647 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16648 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16650 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16651 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16652 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16653 Define secondary reloads for TFmode moves.
16654 (constant_modes): Add TFmode.
16655 (NR_C_MODES): Set to 8.
16656 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16658 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16659 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16660 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16661 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16662 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16663 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16664 (FPR mode macro): Add TFmode.
16665 (DSF mode macro): New.
16666 (<de>, <dee> mode attributes): Removed.
16667 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16668 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16669 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16670 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16671 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16672 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16673 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16674 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16675 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16676 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16677 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16678 "*negabs<mode>2", "sqrt<mode>2"):
16679 Changed <de> to <xde>. R constraint replaced by <Rf>.
16680 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16682 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16683 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16684 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16686 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16687 "extenddftf2", "extendsftf2"): New expanders.
16688 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16689 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16690 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16691 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16693 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16694 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16695 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16696 __floatditf): Add a GCC_4.1.0 symbol version tag.
16697 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16700 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16703 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16704 Use targetm.binds_local_p instead of TREE_PUBLIC.
16706 2006-02-02 Roger Sayle <roger@eyesopen.com>
16708 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16709 on INTEGER_TYPEs to indicate that it denotes a character type.
16710 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16711 signed_char_type_node, unsigned_char_type_node and char_type_node.
16712 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16713 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16714 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16716 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16717 Daniel Berlin <dberlin@dberlin.org>
16719 * tree-tailcall.c (arg_needs_copy_p): New function.
16720 (eliminate_tail_call): Use arg_needs_copy_p.
16721 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16722 (add_virtual_phis): New function.
16724 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16726 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16727 #ignore instead of #scratch for %g7 .register directive.
16729 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16731 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16734 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16736 * flow.c (calculate_global_regs_live): Assert that there aren't any
16739 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16741 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16742 what its name says.
16743 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16744 bsi_after_labels iterator.
16745 * tree-if-conv.c (find_phi_replacement_condition,
16746 replace_phi_with_cond_modify_expr): Likewise.
16747 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16748 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16750 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16752 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16754 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16757 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16758 array after growing it.
16760 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16762 PR middle-end/24901
16763 * fold-const.c (fold_checksum_tree): Change type of buf.
16765 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16767 * reload.c (push_secondary_reload): Initialize t_icode.
16769 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16771 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16772 -msoft-float -mlong-double-128 only issue a warning, but don't
16773 swich to DFmode long double.
16775 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16777 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16778 has a constant equivalent, iterate over equivalents for arg0,
16779 calling simplify_relational_operation and if there's a result
16780 cheaper than X, apply fold_rtx and return the result.
16782 2006-02-01 Jan Hubicka <jh@suse.cz>
16784 * opts.c (no_unit_at_a_time_default): New global variable.
16785 (decode_options): Use it.
16786 * opts.h (no_unit_at_a_time_default): Declare.
16788 2006-02-01 Paul Brook <paul@codesourcery.com>
16790 * function.c (assign_parm_setup_reg): Use function argument promotion
16792 * expr.c (expand_expr_real_1): Use function argument promotion rules
16795 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16797 * gcc.c (process_command): Change j to 'unsigned int'.
16799 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16801 PR middle-end/26001
16802 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16803 Use the corrected index for the character
16804 out of the string constant.
16806 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16808 * mode-switching.c (optimize_mode_switching): Fix size
16809 allocated for bb_info[n_entities].
16811 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16813 * gcc.c (main): Correct type that is allocated for
16814 explicit_link_files.
16816 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16818 * config/s390/s390.c (init_alignment_context): Set
16819 ALIAS_SET_MEMORY_BARRIER on the MEM.
16820 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16822 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16824 PR middle-end/25933
16825 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16827 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16830 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16832 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16833 * regrename.c: Ditto.
16834 * tree-ssa-loop-im.c: Ditto.
16835 * tree-dump.c: Ditto.
16836 * tree-complex.c: Ditto.
16837 * genrecog.c: Ditto.
16838 * tree-ssa-threadupdate.c: Ditto.
16840 * java/class.c: Ditto.
16841 * java/jcf-parse.c: Ditto.
16842 * java/resource.c: Ditto.
16843 * java/except.c: Ditto.
16844 * java/jvspec.c: Ditto.
16845 * java/jcf-write.c: Ditto.
16846 * java/jcf-path.c: Ditto.
16847 * java/gjavah.c: Ditto.
16848 * java/zextract.c: Ditto.
16849 * java/jcf-io.c: Ditto.
16850 * java/jcf.h: Ditto.
16851 * java/buffer.c: Ditto.
16852 * java/lang.c: Ditto.
16853 * java/parse-scan.y: Ditto.
16854 * java/lex.c: Ditto.
16855 * java/lex.h: Ditto.
16856 * cfgloopmanip.c: Ditto.
16857 * postreload-gcse.c: Ditto.
16858 * tree-ssa-loop-manip.c: Ditto.
16859 * postreload.c: Ditto.
16860 * tree-ssa-loop-ch.c: Ditto.
16863 * cppspec.c: Ditto.
16864 * diagnostic.c: Ditto.
16866 * genoutput.c: Ditto.
16868 * cfghooks.c: Ditto.
16869 * cfgloopanal.c: Ditto.
16870 * objc/objc-act.c: Ditto.
16872 * genextract.c: Ditto.
16873 * genautomata.c: Ditto.
16874 * pretty-print.c: Ditto.
16875 * genemit.c: Ditto.
16876 * cgraphunit.c: Ditto.
16878 * df-scan.c: Ditto.
16879 * haifa-sched.c: Ditto.
16880 * dominance.c: Ditto.
16882 * tree-ssa-loop-ivopts.c: Ditto.
16883 * df-core.c: Ditto.
16884 * mode-switching.c: Ditto.
16885 * modulo-sched.c: Ditto.
16887 * ipa-pure-const.c: Ditto.
16889 * fix-header.c: Ditto.
16891 * tree-stdarg.c: Ditto.
16892 * ipa-utils.c: Ditto.
16893 * loop-init.c: Ditto.
16894 * ipa-inline.c: Ditto.
16895 * cfganal.c: Ditto.
16897 * alloc-pool.c: Ditto.
16898 * dwarf2out.c: Ditto.
16900 * genattrtab.c: Ditto.
16901 * tree-ssa-loop-ivcanon.c: Ditto.
16902 * predict.c: Ditto.
16903 * timevar.c: Ditto.
16905 * fortran/gfortranspec.c: Ditto.
16906 * regmove.c: Ditto.
16907 * local-alloc.c: Ditto.
16908 * langhooks.c: Ditto.
16909 * function.c: Ditto.
16910 * tree-vectorizer.c: Ditto.
16912 * ipa-type-escape.c: Ditto.
16914 * tree-if-conv.c: Ditto.
16915 * profile.c: Ditto.
16917 * tree-data-ref.c: Ditto.
16918 * loop-unroll.c: Ditto.
16919 * treelang/treetree.c: Ditto.
16921 * bt-load.c: Ditto.
16922 * ggc-common.c: Ditto.
16924 * coverage.c: Ditto.
16926 * tree-cfgcleanup.c: Ditto.
16927 * tree-ssa-pre.c: Ditto.
16928 * cfgcleanup.c: Ditto.
16929 * loop-invariant.c: Ditto.
16930 * loop-iv.c: Ditto.
16931 * ipa-prop.c: Ditto.
16932 * print-tree.c: Ditto.
16933 * conflict.c: Ditto.
16934 * ggc-page.c: Ditto.
16935 * sched-deps.c: Ditto.
16936 * regclass.c: Ditto.
16937 * tree-object-size.c: Ditto.
16938 * combine.c: Ditto.
16939 * bb-reorder.c: Ditto.
16940 * resource.c: Ditto.
16941 * var-tracking.c: Ditto.
16942 * cfgloop.c: Ditto.
16943 * df-problems.c: Ditto.
16944 * reg-stack.c: Ditto.
16946 * gccspec.c: Ditto.
16947 * sched-rgn.c: Ditto.
16948 * tree-ssa-structalias.c: Ditto.
16949 * tree-ssa-reassoc.c: Ditto.
16950 * config/darwin-c.c: Ditto.
16951 * config/darwin.c: Ditto.
16952 * config/arm/arm.c: Ditto.
16954 * collect2.c: Ditto.
16955 * reload1.c: Ditto.
16957 2006-01-31 Nicolas Pitre <nico@cam.org>
16959 * arm.md (smaxsi3): Make aware of smax_m1.
16962 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16964 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16966 2006-01-31 Richard Guenther <rguenther@suse.de>
16968 * doc/invoke.texi (-msselibm): Document.
16969 * target.h (expand_library_builtin): New target hook.
16970 * builtins.c (expand_builtin): Use expand_library_builtin.
16971 (default_expand_library_builtin): New function.
16972 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16973 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16974 (link_gcc_math_spec): Declare.
16975 (static_specs): Add link_gcc_math_spec.
16976 * expr.h (default_expand_library_builtin): Declare.
16977 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16978 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16979 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16980 * config/i386/i386.opt (msselibm): New target option.
16981 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16982 (ix86_init_sse_abi_builtins): New function.
16983 (ix86_expand_library_builtin): Likewise.
16984 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16985 (override_options): Handle error conditions wrt -msselibm.
16986 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16987 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16988 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16991 2006-01-31 Richard Guenther <rguenther@suse.de>
16992 Paolo Bonzini <bonzini@gnu.org>
16994 * doc/install.texi (--disable-libgcc-math): Document.
16996 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16998 * expr.h (expand_normal): new inline function.
16999 * builtins.c: use it, use EXPAND_NORMAL explicitely.
17000 * dojump.c: use it.
17001 * dwarf2out.c: use it.
17004 * expmed.c: use it.
17005 * except.c: use it.
17006 * config/sparc/sparc.c: use it.
17007 * config/i386/i386.c: use it.
17008 * config/rs6000/rs6000.c: use it.
17009 * config/arm/arm.c: use it.
17010 * config/mips/mips.c: use it.
17011 * stmt.c: use it, use EXPAND_NORMAL explicitely.
17013 2006-01-30 Roger Sayle <roger@eyesopen.com>
17015 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
17016 argv to the appropriate type.
17018 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
17020 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
17023 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
17026 * config/s390/s390.c (struct machine_function): New flag
17027 decomposed_literal_pool_addresses_ok_p.
17028 (s390_reorg): Set it before final stage of literal pool transforms.
17029 (s390_decompose_address): Only accept displacements of the form
17030 (minus (label_ref ...) (label_ref ...)) if that flag is set.
17032 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
17034 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
17035 the comparison routine return.
17037 2006-01-30 Michael Matz <matz@suse.de>
17039 * global.c (find_reg): Only evict for global regs.
17040 Take n_refs into account and dump more info.
17042 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
17045 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
17046 (pragma_trap, pragma_nosave_low_regs): Likewise.
17047 (current_function_anonymous_args): Likewise.
17048 (sh_deferred_function_attributes): New variable.
17049 (sh_deferred_function_attributes_tail): Likewise.
17050 (print_operand): For '@', look up trap_exit attribute.
17051 (calc_live_regs): Look up trapa_handler attribute. For trapa
17052 handlers, save/restore fpscr, but don't do any other
17053 interrupt-specific saves.
17054 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
17055 Fix check for partially saved registers to check for SHmedia.
17056 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
17057 (sh_output_function_epilogue): Don't clear any of the removed
17059 (sh_insert_attributes): Don't check pragma_interrupt.
17060 Insert deferred attributes. Check that interrupt attribute is
17061 present for other attributes that require its presence.
17062 (sh_attribute_table): Add new attributes trapa_handler and
17064 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
17065 Don't check for pragma_interrupt. Don't store argument.
17066 * sh.h (pragma_interrupt, sp_switch): Don't declare.
17067 (sh_deferred_function_attributes): Declare.
17068 (sh_deferred_function_attributes_tail): Likewise.
17069 * sh.md (sp_switch_1): Add operand. Change generator caller.
17070 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
17071 (*return_i): Don't use when trap_exit attribute is in effect.
17072 (*return_trapa): New insn pattern.
17073 * sh-c.c: New file.
17074 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
17075 setting c_target_objs and cxx_target_objs.
17076 * t-sh: Add rule for sh-c.o.
17078 2006-01-30 Richard Guenther <rguenther@suse.de>
17081 * gimplify.c (gimplify_target_expr): Handle easy cases
17082 without creating a temporary.
17084 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
17086 * vec.h (safe_grow): Remove duplicated line.
17088 2006-01-29 Diego Novillo <dnovillo@redhat.com>
17091 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
17092 (expand_omp): ... here.
17093 (expand_omp_parallel): Only remove barriers for combined
17094 parallel+workshare constructs.
17096 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
17100 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
17101 * tree.c (build_qualified_type): Chain the new type to the original
17102 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
17103 a POINTER_TYPE or a REFERENCE_TYPE respectively.
17104 (build_pointer_type_for_mode): Only return unqualified types.
17105 (build_reference_type_for_mode): Likewise.
17107 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
17109 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
17110 * Makefile.in (CXX_COMPAT_WARN): Define.
17111 * configure: Regenerate.
17113 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
17116 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
17119 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17121 * toplev.c: Fix thinko.
17123 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17124 Marcin Dalecki <martin@dalecki.de>
17126 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
17127 (push_srcloc): Use XNEW.
17128 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
17130 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
17132 * df-core.c (df_set_blocks): Deleted all variable.
17134 2006-01-28 Ian Lance Taylor <ian@airs.com>
17136 * cgraphunit.c (cgraph_assemble_pending_functions): Call
17137 cgraph_output_pending_asms.
17139 2006-01-28 Zack Weinberg <zackw@panix.com>
17141 * c.opt: Add -W(no-)overlength-strings.
17142 * doc/invoke.texi: Document it.
17143 * c-opts.c (c_common_handle_option): -pedantic implies
17144 -Woverlength-strings, if not explicitly disabled already.
17145 (c_common_post_options): -Woverlength-strings defaults to off, and
17146 is always off for C++.
17147 * c-common.c (fix_string_type): Issue warning about strings longer
17148 than is portable only if warn_overlength_strings. Rearrange code
17149 a little for clarity.
17150 * configure.in: Check for -Wno-overlength-strings as well before
17151 enabling -pedantic in stage 1.
17152 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
17153 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
17155 * genconditions.c (write_header, write_one_condition)
17156 (write_conditions, write_writer): Consolidate very long strings
17157 that were broken up to fit in C89 portable limit. Don't use
17158 printf when fputs will do.
17160 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
17162 * combine.c (simplify_comparison <AND>): Check
17163 TRULY_NOOP_TRUNCATION before start using a subreg.
17165 * config/mips/mips.md (*branch_zero<mode>,
17166 *branch_zero<mode>_inverted, *branch_equality<mode>,
17167 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
17168 Remove mode check from comparisons.
17170 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
17172 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
17174 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17176 * expmed.c (const_mult_add_overflow_p): Remove.
17177 * expr.h: Remove the prototype for const_mult_add_overflow_p.
17179 * recog.c (validate_replace_rtx_subexp): Remove.
17180 * recog.h: Remove the prototype for
17181 validate_replace_rtx_subexp.
17183 * integrate.h: Remove the prototype for
17184 copy_decl_for_inlining.
17185 * rtl.h: Remove the prototype for mark_constant_function.
17186 * tree-vectorizer.h: Remove the prototype for
17187 vect_strip_conversion.
17189 * modulo-sched.c (create_partial_schedule,
17190 free_partial_schedule, reset_partial_schedule): Make them
17193 * hooks.c (hook_bool_rtx_int_false): Remove.
17194 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17196 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17198 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17199 and -mlong-double-128 are incompatible.
17200 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17201 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17202 (TARGET_LIBGCC2_CFLAGS): Define.
17203 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17204 (TARGET_LIBGCC2_CFLAGS): Same.
17205 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17207 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17210 * c-typeck.c (build_binary_op): Perform implicit casts of
17211 operands before shortening them.
17213 * cfgloopmanip.c (split_loop_bb): Remove.
17214 * cfgloop.h: Remove the prototype for split_loop_bb.
17216 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17217 * cfgloop.h: Remove the prototype for
17218 flow_loop_outside_edge_p.
17220 * emit-rtl.c (init_virtual_regs): Make it static.
17221 * function.h: Remove the prototype for init_virtual_regs.
17223 * recog.c (peephole2_optimize): Make it static.
17224 * recog.h: Remove the prototype for peephole2_optimize.
17226 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17228 * df-scan.c (df_record_entry_block_defs): Check if
17229 INCOMING_RETURN_ADDR_RTX is defined.
17231 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17232 Kenneth Zadeck <zadeck@naturalbridge.com>
17234 PR rtl-optimization/24762
17235 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17236 * targhooks.c (hook_void_bitmap): New hook prototype.
17237 * targhoohs.h (hook_void_bitmap): Ditto.
17238 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17239 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17240 * target.h (live_on_entry): New function pointer.
17241 * df-scan.c (df_all_hard_regs): Removed.
17242 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17243 (df_scan_free_internal): Added df->entry_block_defs.
17244 (df_scan_alloc): Ditto.
17245 (df_scan_dump): Ditto.
17246 (df_uses_record): Plumbed flag field properly thru calls.
17247 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17248 This part fixes PR24762.
17249 (df_bb_refs_record): Added code to make the frame and arg
17250 pointers live in EH blocks.
17251 (df_refs_record): Added call to df_record_entry_block_defs.
17252 (df_record_entry_block_defs): New function.
17253 * df-core.c: Added comments to describe new artifical defs.
17254 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17255 (entry_block_defs): New field in struct df.
17256 (df_all_hard_regs): Deleted.
17257 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17258 * df-problems.c (df_ru_bb_local_compute_process_def):
17259 Added code to handle artifical defs in the entry to a function.
17260 (df_ru_bb_local_compute): Ditto.
17261 (df_rd_bb_local_compute_process_def): Ditto.
17262 (df_rd_bb_local_compute): Ditto.
17263 (df_lr_bb_local_compute): Ditto.
17264 (df_ur_bb_local_compute): Ditto.
17265 (df_urec_bb_local_compute): Ditto.
17266 (df_chain_create_bb): Ditto.
17267 (df_ur_local_finalize): Removed entry.
17268 (df_urec_init): Ditto.
17269 (df_urec_local_finalize): Ditto.
17270 (df_ri_bb_compute): Added detection of last use of pseudos.
17271 * Makefile.in (df-scan.o): Updated dependencies.
17272 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17273 * config/mips/mips.c (mips_set_live_on_entry): Added.
17274 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17276 * dce.c (marked_insn_p): Added code to handle artifical defs.
17278 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17280 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17282 (_mm_cvtsi128_si64): Likewise.
17283 (_mm_cvtsd_si64): Likewise.
17284 (_mm_cvttsd_si64): Likewise.
17285 (_mm_cvtsi64_sd): Likewise.
17286 (_mm_cvtsi64_si128): Likewise.
17287 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17288 (_mm_cvtsi64_m64): Likewise.
17289 (_m_to_int64): Likewise.
17290 (_mm_cvtm64_si64): Likewise.
17291 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17292 (_mm_cvttss_si64): Likewise.
17293 (_mm_cvtsi64_ss): Likewise.
17294 (_mm_cvtss_f32): Likewise.
17296 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17298 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17299 for pragma redefine_extname.
17301 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17304 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17305 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17306 -mno-minimal-toc to previous content.
17307 (bispecs): Remove goal.
17308 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17309 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17310 compatibility aliases on powerpc-*-*gnu*.
17311 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17312 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17313 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17314 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17315 (ldblspecs): New goal.
17316 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17317 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17319 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17320 L_sf_to_tf or L_df_to_tf is defined.
17322 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17323 Alan Modra <amodra@bigpond.net.au>
17326 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17327 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17328 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17329 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17330 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17331 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17332 (rs6000_override_options): Initialize rs6000_ieeequad.
17333 Initialize TFmode format to ibm_extended_format if not
17335 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17337 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17338 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17339 (function_arg_advance): IBM long double passed in two FPRs, not
17341 (function_arg): IBM long double passed in FPRs.
17342 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17343 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17344 Only multireg GPR aligned.
17345 (rs6000_init_libfuncs): Enable IBM long double functions if not
17347 (rs6000_generate_compare): Use IBM long double compare if not
17349 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17350 (TARGET_IEEEQUAD): Define.
17351 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17352 not TARGET_IEEEQUAD.
17353 * config/rs6000/rs6000.md: Enable TFmode patterns if
17355 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17356 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17357 and -mlong-double-128 are incompatible.
17358 * doc/invoke.texi (-mabi): Collect options together. Add
17359 ibmlongdouble and ieeelongdouble.
17361 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17363 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17365 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17366 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17367 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17368 * rtl.h (rtunion_def): Remove rt_ptr.
17370 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17371 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17372 * config/i386/winnt.c (i386_pe_mark_dllexport)
17373 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17375 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17377 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17379 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17383 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17384 pthread_key_delete. From John David Anglin. gthrw-ify
17385 pthread_getunique_np only if it it's not a macro. Delete
17387 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17388 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17389 __gthread_objc_condition_signal, __gthread_key_delete): Add
17390 "__attribute__ ((__unused__))" to unused arguments.
17391 (__gthread_recursive_mutex_init_function): Add missing return.
17392 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17393 gthr-posix95.h: Use macro-based approach for name redirection
17394 on targets missing weakref.
17396 2006-01-26 Zack Weinberg <zackw@panix.com>
17398 * genconditions.c (write_header): In generated code, #ifdef out
17399 all includes and fake declarations, except includes of bconfig.h
17400 and system.h, unless GCC_VERSION >= 3001. Do not include
17401 gensupport.h in any case.
17402 (write_conditions): Generate a definition of struct c_test. Add
17403 a comment to the generated #endif.
17404 (write_one_condition): Escape backslashes in string too.
17405 (write_writer): Generated code must escape backslashes and quote
17406 marks (but not newlines) in the strings it writes.
17407 * Makefile.in (build/gencondmd.o): Update dependencies.
17409 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17412 * Makefile.in (insn-automata.o): Add header file dependencies.
17413 * genautomata.c: Add includes.
17415 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17418 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17420 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17422 * configure.ac: Expect target tools paths to be passed from the toplevel
17423 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17425 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17427 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17430 * c.opt (Wpointer-sign): Init to -1.
17431 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17432 OPT_pedantic, to 0 otherwise.
17433 * doc/invoke.texi: Update.
17435 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17437 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17438 constants provided by 80387 instructions in the destination mode.
17440 2006-01-26 Richard Guenther <rguenther@suse.de>
17441 Andrew Pinski <pinskia@physics.uc.edu>
17444 partial PR tree-opt/17064
17445 * tree-ssa-structalias.c (intra_create_variable_infos):
17446 Create heap variables for incoming parameters if
17447 flag_argument_noalias > 1.
17448 (find_what_p_points_to): Look through default defs of
17451 2006-01-26 Jeff Law <law@redhat.com>
17454 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17455 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17456 within the VR_RANGE, use the VR_RANGE as the result, not the
17458 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17459 bounds for the type.
17461 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17463 * tree-ssa-alias.c (maybe_create_global_var): Change
17464 subvar walking to an assertion that we don't have subvar'd variables.
17466 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17469 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17470 Use a new variable, inner. PARM_DECLs are always non-weak.
17472 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17474 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17475 --disable-checking.
17477 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17479 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17481 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17483 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17484 (smax_insn, smin_insn, smax_0, smin_0): New.
17486 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17489 * config/cris/cris.c (cris_order_for_addsi3): New function.
17490 * config/cris/cris-protos.h: Prototype it.
17491 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17492 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17493 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17494 (split for "op.S1 [rx=rx+i],ry (swapped)")
17495 (split for "op(s|u).S1 [rx=rx+i],ry")
17496 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17497 Apply cris_order_for_addsi3 when generating addsi3 insns.
17499 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17501 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17502 (TREE_BLOCK): Add call to EXPR_CHECK.
17504 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17507 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17508 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17509 (dump_omp_clauses): ... here.
17510 (dump_generic_node): Handle OMP_CLAUSE.
17511 * tree.c (omp_clause_num_ops): New.
17512 (omp_clause_code_name): New.
17513 (tree_code_size): Handle OMP_CLAUSE.
17514 (tree_size): Likewise.
17515 (make_node): Document handling of OMP_CLAUSE.
17516 (tree_node_structure): Handle OMP_CLAUSE.
17517 (omp_clause_check_failed): New.
17518 (omp_clause_range_check_failed): New.
17519 (omp_clause_operand_check_failed): New.
17520 (build_omp_clause): New.
17521 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17522 * tree.h (enum omp_clause_code): Declare.
17523 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17524 (OMP_CLAUSE_RANGE_CHECK): Define.
17525 (OMP_CLAUSE_ELT_CHECK): Define.
17526 (omp_clause_check_failed): Declare.
17527 (omp_clause_operand_check_failed): Declare.
17528 (omp_clause_range_check_failed): Declare.
17529 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17530 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17531 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17532 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17533 (OMP_CLAUSE_IF_EXPR): Likewise.
17534 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17535 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17536 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17537 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17538 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17539 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17540 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17541 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17542 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17543 (OMP_CLAUSE_CODE): Define.
17544 (OMP_CLAUSE_SET_CODE): Define.
17545 (OMP_CLAUSE_CODE): Define.
17546 (OMP_CLAUSE_OPERAND): Define.
17547 (struct tree_omp_clause): Declare.
17548 (union tree_node): Add field 'omp_clause'.
17549 * treestruct.def (TS_OMP_CLAUSE): Define.
17550 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17551 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17552 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17553 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17554 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17555 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17556 (OMP_CLAUSE): Define.
17557 * print-tree.c (print_node): Handle OMP_CLAUSE.
17558 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17559 * c-typeck.c: Likewise.
17560 * gimplify.c: Likewise.
17561 * c-omp.c: Likewise.
17562 * tree-nested.c: Likewise.
17563 * tree-inline.c: Likewise.
17564 * c-parser.c: Likewise.
17565 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17568 2006-01-25 Roger Sayle <roger@eyesopen.com>
17570 PR rtl-optimization/25703
17571 * combine.c (try_combine): Handle zero_extract and strict_low_part
17572 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17574 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17576 * global.c: Fix comment typos.
17578 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17581 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17582 Use output_addr_const instead of assemble_name.
17584 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17586 * Makefile.in (sched-vis.o): Update dependencies.
17587 * haifa-sched.c (sched_finish): Clear current_sched_info.
17588 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17589 (dump_flow_info): Call it.
17590 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17592 * basic-block.h (dump_bb_info): Declare.
17593 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17594 option, and apply options only for dump files whose TDF_RTL,
17595 TDF_TREE, or TDF_IPA bits match.
17596 * rtl.h: Declare new functions exported from sched-vis.c.
17597 * sched-vis.c: Enable also if scheduling is not used.
17598 (print_value): Print the mode of registers if not inside scheduling.
17599 (print_insn): Make it work outside the scheduler. Beautify the output
17601 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17603 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17605 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17606 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17607 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17608 depending on the value of CONSTANT_POOL_ADDRESS_P.
17609 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17611 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17612 rather than SYMBOL_REF_DECL.
17613 (rtx_constant_pool): Remove const_rtx_sym_htab.
17614 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17615 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17616 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17617 Remove handling of const_rtx_sym_htab.
17618 (find_pool_constant): Delete.
17619 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17620 rather than find_pool_constant.
17621 (get_pool_constant_for_function): Delete.
17622 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17623 find_pool_constant.
17624 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17625 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17626 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17627 (SYMBOL_REF_CONSTANT): New macro.
17628 (get_pool_constant_for_function): Delete.
17629 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17630 rather than SYMBOL_REF_DECL.
17631 (i386_pe_mark_dllimport): Likewise.
17632 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17633 rather than SYMBOL_REF_DECL.
17634 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17635 (machopic_indirect_call_target): Likewise.
17637 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17639 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17641 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17643 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17645 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17647 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17649 2006-01-24 David Daney <ddaney@avtrex.com>
17652 * configure.ac (enable_tls): New enable option.
17653 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17654 * configure: Regenerate.
17655 * doc/install.texi (--enable-tls): Document new option.
17656 (--disable-tls): Ditto.
17658 2006-01-24 Richard Henderson <rth@redehat.com>
17660 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17661 * alias.c (true_dependence): Respect it.
17662 (canon_true_dependence, write_dependence_p): Likewise.
17663 * builtins.c (get_builtin_sync_mem): Set it.
17665 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17667 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17670 2006-01-24 DJ Delorie <dj@redhat.com>
17672 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17673 for storing constants in single-bit bitfields.
17675 2006-01-25 Ben Elliston <bje@au.ibm.com>
17677 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17679 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17682 * tree-ssa-pre.c (phi_translate): Return NULL
17683 for AGGREGATE_TYPE's.
17685 2006-01-24 Zack Weinberg <zackw@panix.com>
17687 * genautomata.c (process_state_for_insn_equiv_partition):
17688 Use xcalloc for insn_arcs_array.
17689 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17690 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17692 2006-01-24 Richard Henderson <rth@redhat.com>
17694 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17695 update all callers.
17697 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17699 PR rtl-optimization/25890
17700 PR rtl-optimization/25905
17701 * combine.c (expand_compound_operation, expand_field_assignment):
17702 Fail if the bitfield's final position is out of bounds.
17704 2006-01-24 Ian Lance Taylor <ian@airs.com>
17706 PR middle-end/25930
17707 * cgraphunit.c (cgraph_output_in_order): Don't clear
17708 cgraph_asm_nodes until after asm strings have been output.
17710 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17712 * fix-header.c (read_scan_file): Add new parameter imultilib when
17713 calling register_include_chains.
17715 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17717 * omp-low.c: Update documentation.
17719 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17720 Daniel Berlin <dberlin@dberlin.org>
17724 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17725 return from the function.
17727 2006-01-22 Zack Weinberg <zackw@panix.com>
17729 * rtl.def (match_code): Add second argument.
17730 * genpreds.c (write_extract_subexp): New function.
17731 (write_match_code): Add path argument. Use write_extract_subexp.
17732 (write_predicate_expr): Pass path to write_match_code.
17733 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17734 not perform a mode test.
17735 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17736 a subexpression does not constrain the top-level code set.
17737 * read-rtl.c (read_rtx_variadic): New function.
17738 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17739 * doc/md.texi: Document new notation.
17740 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17741 (cmpsi_operand): ... here, using new notation.
17743 2006-01-22 Zack Weinberg <zackw@panix.com>
17745 * varray.c: Remove GENERATOR_FILE #ifdefs.
17747 2006-01-22 Zack Weinberg <zackw@panix.com>
17749 * genautomata.c (output_reserved_units_table): Emit nothing if
17750 description->query_units_num is zero. Remove extra blank line.
17751 (output_cpu_unit_reservation_p): Short circuit
17752 if description->query_units_num is zero.
17754 2006-01-22 Zack Weinberg <zackw@panix.com>
17756 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17757 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17758 nor any of the random handful of variables that used to be necessary
17759 when this program was linked with rtlanal.o. Prune set of forward
17760 function declarations.
17761 (struct attr_desc): Remove static_p field.
17762 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17763 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17764 (attr_string): Do not read the character one past the length of
17766 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17767 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17768 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17769 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17770 (make_automaton_attrs): New.
17771 (main): Do not call into genautomata. Call local gen_bypass
17772 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17773 Remove special case for insn_alts.
17774 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17775 varray.h (leftover from previous change). Prune set of forward
17776 function declarations. Remove state_alts fields from all
17777 structures. Remove state_alts_table from struct automaton.
17778 Make everything except main static. Do not maintain num_dfa_decls.
17779 Do not maintain state_alts fields of various structures.
17780 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17781 (add_arc): Remove state_alts argument. All callers updated.
17782 (output_reserved_units_table): Emit #ifdef here...
17783 (output_tables): ...not here. Don't generate state_alts tables.
17784 (expand_automata): Don't generate attributes.
17785 (write_automata): Don't generate state_alts functions.
17786 (main): New function.
17787 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17788 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17789 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17790 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17791 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17792 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17793 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17794 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17796 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17797 * genattrtab.h: Delete file.
17798 * Makefile.in (OBJS-common): Add insn-automata.o.
17799 (insn-automata.o): New rule.
17800 (simple_generated_c): Add insn-automata.c.
17801 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17802 (genprogmd): Add automata.
17803 (build/genattrtab): Needs no extra objects nor libraries.
17804 (build/genautomata): Needs build/vec.o and -lm.
17806 2006-01-22 Zack Weinberg <zackw@panix.com>
17808 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17809 (output_dfa_max_issue_rate, locked_states_num): Delete.
17810 (struct automaton): Add locked_states field.
17811 (output_dead_lock_vect): Save number of locked states in
17812 automaton->locked_states. If it is zero, don't print anything.
17813 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17814 (output_internal_dead_lock_func): Only test the dead_lock_vect
17815 for automata that have locked states.
17816 (output_statistics): Always print the number of locked states for
17817 each automaton. Calculate total number of locked states here.
17818 (write_automata): Don't call output_dfa_max_issue_rate.
17819 * genattrtab.c: Define length_unit_log as a const variable.
17820 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17821 max_insn_queue_index const.
17822 * final.c (length_unit_log): Declare const.
17823 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17825 2006-01-22 Zack Weinberg <zackw@panix.com>
17827 * genautomata.c: Include vec.h, not varray.h.
17828 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17829 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17830 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17831 VEC_* macros operating on appropriately typed vectors, or to
17832 malloced arrays when the size is known in advance. Const-ify
17833 many char* variables and function arguments. No functional changes.
17834 * Makefile.in (build/varray.o): Delete rule.
17835 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17836 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17838 2006-01-22 Zack Weinberg <zackw@panix.com>
17840 * gensupport.c: Define get_insn_name and record_insn_name here.
17841 (read_md_rtx): Call record_insn_name as appropriate.
17842 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17843 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17844 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17846 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17847 (BUILD_VARRAY): Delete.
17848 (genprognormal): Rename genprogmd. Fold in all programs from
17849 genprognoprint; also attrtab.
17850 (build/genattrtab): Just mention genautomata.o and varray.o.
17851 Reorganize a bit, add comments to make the categories clearer.
17853 2006-01-22 Zack Weinberg <zackw@panix.com>
17855 * genconditions.c (condition_table, add_condition): Delete.
17856 (write_conditions): Don't emit n_insn_conditions nor
17857 insn_elision_unavailable. Issue the gcc version #ifdef here,
17858 inside the table, with no #else clause ...
17859 (write_header): ...not here.
17860 (write_writer): New function.
17861 (main): Don't initialize condition_table. Use add_c_test.
17863 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17864 files on the command line.
17865 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17866 Return -1 if there is no entry in the table, don't abort.
17867 (add_c_test, traverse_c_tests): New functions.
17868 * gensupport.h (insn_elision_unavailable, insn_conditions)
17869 (n_insn_conditions): Delete declarations.
17870 (add_c_test, traverse_c_tests): Declare.
17871 * read-rtl.c: Include gensupport.h.
17872 (read_conditions): New function.
17873 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17874 (read_rtx_1): If we get EOF when we were looking for an initial
17875 open paren, return 0. Call read_conditions when appropriate.
17876 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17877 dummy-conditions.o. Eliminate references to insn-conditions.o,
17878 or change them to build/gencondmd.o, as appropriate. Remove
17879 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17880 from $(simple_generated_c). For all files remaining in those
17881 two lists, add insn-conditions.md to the generator command line.
17882 Give insn-constants.h/s-constants their own rules. Add rules
17883 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17884 (build/read-rtl.o): Depend on gensupport.h.
17885 (genprognormal): Include preds.
17886 (genprogearly): Rename genprognoprint; only difference is now that
17887 they don't link with $(BUILD_PRINT).
17888 * dummy-conditions.c: Delete.
17890 2006-01-22 Zack Weinberg <zackw@panix.com>
17892 * genextract.c: Don't include insn-config.h. Do include vec.h.
17893 Declare vectors of int, char, and locstr.
17894 (locstr): New typedef.
17895 (struct extraction): Make all array fields into bare pointers.
17896 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17897 (insn_code_number): Delete.
17898 (accum_extract): New struct.
17899 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17900 (gen_insn): Take insn_code_number as an argument. Use an
17901 accum_extract structure instead of loading data directly into
17902 a struct extraction, and having to know how big it might get.
17903 (walk_rtx): Operate entirely on an accum_extract structure.
17904 (print_path): Avoid unnecessary use of printf.
17905 (print_header): New function, split out of main. Distinguish
17906 more carefully between an unrecognizable insn and an insn that
17907 has the code number of a define_expand.
17908 (main): Pass insn_code_number to gen_insn. Call print_header
17909 only after parsing. Avoid unnecessary use of printf.
17910 * Makefile.in (build/vec.o): New rule.
17911 (build/genextract): Depend on build/vec.o.
17912 (build/genextract.o): Don't depend on insn-config.h.
17914 2006-01-22 Zack Weinberg <zackw@panix.com>
17916 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17917 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17918 practical. Eliminate per-generator-program link rules.
17920 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17922 PR middle-end/24437
17923 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17924 with a call expr to ...
17925 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17927 2006-01-23 Richard Guenther <rguenther@suse.de>
17929 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17930 before make_edge with conditional EDGE_TRUE_VALUE.
17932 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17933 Jan Hubicka <jh@suse.cz>
17934 Richard Guenther <rguenther@suse.de>
17936 PR rtl-optimization/25654
17937 * cfgexpand.c (aggregate_contains_union_type): New function.
17938 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17939 for structure variables that contain a union type.
17941 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17943 * gengtype.c (new_structure): Return the structure.
17944 (create_option): Add an extra "next" argument.
17945 (create_field): New function.
17946 (adjust_field_rtx_def): Use create_option and create_field.
17947 Remove a now-unnecessary call to find_structure.
17948 (adjust_field_tree_def): Likewise.
17949 (note_yacc_type): Remove an unnecessary call to find_structure.
17950 * gengtype.h (new_structure): Return the structure.
17951 (create_option): Add an extra argument.
17952 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17953 (option): Adjust calls to create_option.
17955 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17957 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17959 2006-01-22 Paul Brook <paul@codesourcery.com>
17960 Peter Barada <peter@the-baradas.com>
17962 * config/m68k/m68k.md: Add Coldfire FPU support.
17963 Define FP mode macro and associated attributes.
17964 Use it for float mode patterns.
17965 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17966 (LIBCALL_VALUE): Use m68k_libcall_value.
17967 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17968 (m68k_function_value): Ditto.
17969 (emit_move_sequence): Ditto.
17970 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17971 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17972 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17973 (MULTILIB_EXCEPTIONS): Ditto.
17974 * config/m68k/m68k.opt: Add mcfv4e.
17975 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17976 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17977 (m68k_output_function_prologue): Save ColdFire FPU registers.
17978 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17979 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17980 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17981 ColdFire FPU registers.
17982 (m68k_libcall_value, m68k_function_value): New functions.
17983 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17984 (LIBCALL_VALUE): Use m68k_libcall_value.
17985 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17986 (MASK_COLDFIRE): Add MASK_CFV4E.
17987 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17988 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17989 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17990 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17991 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17992 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17993 * doc/invoke.tex: Document -mcfv4e on m68k.
17995 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17997 * doc/contribute.texi: Change CVS to SVN and update the corresponding
18000 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
18003 * c-opts.c (c_common_handle_option): Don't include
18004 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
18005 * doc/invoke.texi (C++ Dialect Options): Document that
18006 -Wnon-virtual-dtor is no longer included in -Wall.
18008 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
18010 * gcov.c (print_version), gcov-dump.c (print_version),
18011 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
18014 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
18016 * df-scan.c (problem_SCAN): Added NULL reset function.
18017 (df_scan_reset_blocks): Added code to call reset block function
18018 (df_bb_refs_delete) Fixed comment.
18019 (df_insn_refs_delete): Made tolerant of deleting non existent info
18020 for dataflow problems that need to be reset.
18021 * df-core.c (df_set_blocks): Ditto.
18022 * df.h (struct df_problem): Added reset_fun.
18023 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
18024 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
18025 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
18026 functions to clear out all references to def-use or use-def chains.
18028 2006-01-21 Ben Elliston <bje@au.ibm.com>
18030 * varasm.c (assemble_real): Initialise data array.
18032 2006-01-20 Paul Brook <paul@codesourcery.com>
18034 Merge from csl-arm-branch.
18035 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
18036 * config/arm/arm.md (movdi): Force operands[1] to a register
18037 if we have a non-register source.
18038 (*arm_movdi, *movdf_soft_insn): Require that one of the
18039 operands be a register.
18040 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
18041 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
18043 2006-01-20 DJ Delorie <dj@redhat.com>
18045 * varasm.c (initializer_constant_valid_p): Allow pointers
18046 initialized from integer constants of lesser precision.
18047 (output_constant): Allow non-int-sized pointer modes to be
18048 initialized from integer constants.
18050 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
18053 * cppdefault.h (struct default_include): Add multilib flag.
18054 * cppdefault.c (cpp_include_defaults): Set it.
18055 * c.opt (-imultilib): New option.
18056 * c-opts.c (imultilib): New.
18057 (c_common_handle_option): Handle -imultilib.
18058 (c_common_post_options): Likewise.
18059 * c-incpath.c (add_standard_paths, register_include_chains):
18061 * c-incpath.h (register_include_chains): Add extra parameter.
18062 * gcc.c (do_spec_1): Generate -imultilib option.
18063 (The Specs Language): Update %I description.
18064 (process_command): Update copyright notice.
18065 * doc/cppopts.texi (-imultilib): Document.
18066 * doc/invoke.texi (-imultilib): Include in option summary.
18067 (%I): Update specs documentation.
18069 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18071 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
18073 2006-01-20 Richard Sandiford <richard@codesourcery.com>
18075 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
18078 2006-01-20 Richard Guenther <rguenther@suse.de>
18079 Steven Bosscher <stevenb.gcc@gmail.com>
18081 PR rtl-optimization/24626
18082 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
18083 EDGE_TRUE_VALUE if in RTL mode.
18086 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
18087 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
18089 2006-01-20 Dirk Mueller <dmueller@suse.com>
18092 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
18093 instead of a special NOP marker.
18094 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
18095 NOP marker handling.
18096 * c-common.h (empty_body_warning): Add forward declaration.
18097 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
18098 Now uses IS_EMPTY_STMT() instead of special NOP markers.
18100 2006-01-20 Paul Brook <paul@codesourcery.com>
18102 * Makefile.in (lang_checks): Keep going if mkdir fails.
18104 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18106 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
18107 be able to clean out basic block when not necessary.
18108 (df_scan_free): Fixed to properly delete information if df is
18109 unused before calling df_finish.
18110 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
18111 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
18113 (df_bb_refs_delete): New function.
18114 (df_refs_delete): Moved per block code to df_bb_refs_delete.
18115 * df-core.c (df_set_blocks): Added code to properly clean out
18116 unused blocks if they are not part of the blocks to consider.
18117 Added additional null check.
18118 (df_compact_blocks): Added basic block parameter to free_bb_fun to
18119 be able to clean out basic block when not necessary
18120 * df.h (df_free_bb_function): Ditto.
18121 (df_bb_refs_delete): New function.
18122 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
18123 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
18124 basic block parameter to be able to clean out basic block when not
18126 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
18127 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
18128 Fixed to properly delete information if df is unused before
18131 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18133 PR rtl-optimization/25799
18134 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
18135 Corrected confluence operator to remove bits from op2 before oring
18136 with op1 rather than removing bits from op1.
18137 (df_ru_transfer_function): Corrected test on wrong bitmap which
18138 caused infinite loop. Both of these problems were introduced in
18139 the dataflow rewrite.
18141 2006-01-19 DJ Delorie <dj@redhat.com>
18143 * reload1.c (find_reload_regs): Note the details of reload
18144 failures in the dump file.
18145 (spill_failure): Likewise.
18147 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18149 * loop-iv.c: Include df.h and hashtab.h.
18150 (enum iv_grd_result): New enum.
18151 (DF_REF_IV, DF_REF_IV_SET): New macros.
18152 (struct biv_entry): New.
18153 (df, bivs): New global variables.
18154 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
18155 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
18157 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
18158 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
18159 analyzed_for_bivness_p, record_biv): New functions.
18160 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
18161 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
18162 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
18164 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
18166 (iv_number_of_iterations): Use new interface to iv analysis.
18167 * loop-unroll.c: Do not include varray.h.
18168 (analyze_iv_to_split_insn): Use new interface to iv
18170 * loop-unswitch.c (may_unswitch_on): Ditto.
18171 * df.c (df_bitmaps_free): Only work for bbs for that structures are
18173 (df_bb_modify): Realloc tables to the new index.
18174 (df_find_use): New function.
18175 * df.h (df_find_use): Declare.
18176 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
18178 * cfgloop.h (struct rtx_iv): Remove analysed field.
18179 (iv_get_reaching_def): Removed.
18180 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
18181 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
18182 (loop-iv.o): Add df.h and hashtab.h dependency.
18183 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
18185 2006-01-20 Alan Modra <amodra@bigpond.net.au>
18188 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
18190 (__floatundisf, __floatundidf): Likewise.
18191 * libgcc2.h (IS_IBM_EXTENDED): Define.
18193 2006-01-19 DJ Delorie <dj@redhat.com>
18195 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18197 2006-01-19 Paul Brook <paul@codesourcery.com>
18199 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18200 as nothrow when unwinding tables are disabled.
18202 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18205 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18206 of bit-field" when in system header.
18208 2006-01-19 DJ Delorie <dj@redhat.com>
18210 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18211 the 16 bit shift limit of the m16c.
18213 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18216 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18217 * config/i386/i386.c (output_set_got): Output the label if we have one
18218 for the TARGET_DEEP_BRANCH_PREDICTION case.
18220 2006-01-19 Jan Hubicka <jh@suse.cz>
18221 H.J. Lu <hongjiu.lu@intel.com>
18222 Evandro Menezes <evandro.menezes@amd.com>
18224 * invoke.texi (generic): Document
18226 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18227 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18228 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18229 (x86_use_incdec, x86_pad_returns): New variables
18230 (TARGET_CPU_DEFAULT_generic): New constant
18231 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18232 (enum processor_type): Add generic32 and generic64.
18233 * i386.md (cpu attribute): Add generic32/generic64
18234 (movhi splitter): Behave sanely when both partial_reg_dependency and
18235 partial_reg_stall are set.
18236 (K8 splitters): Enable for generic as well.
18237 * predicates.md (incdec_operand): Use TARGET_INCDEC
18238 (aligned_operand): Avoid memory mismatch stalls.
18239 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18240 * ppro.md: Enable for generic32
18241 * i386.c (generic64_cost, generic32_cost): New.
18242 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18243 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18244 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18245 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18246 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18247 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18248 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18249 x86_accumulate_outgoing_args, x86_prologue_using_move,
18250 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18251 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18252 Enable for generic.
18253 (x86_use_incdec, x86_pad_returns): New.
18254 (override_options): Add generic32 and generic64, translate "generic"
18255 to generic32/generic64 and "i686" to "generic32", refuse
18256 "generic32"/"generic64" as arch target.
18257 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18258 (ix86_reorg): Honor PAD_RETURNS.
18260 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18262 * tree-pretty-print.c (dump_generic_node): Handle
18263 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18264 * cgraph.c (cgraph_expand_queue): Rename from
18265 cgraph_analyze_queue. Update all users.
18266 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18267 cgraph_expand_queue.
18268 (cgraph_expand_all_functions): Likewise.
18269 (cgraph_finalize_pending_functions): Remove. Update callers.
18271 * tree.h (OMP_DIRECTIVE_P): Define.
18272 (OMP_PARALLEL_FN): Define.
18273 (OMP_PARALLEL_DATA_ARG): Define.
18274 (OMP_SECTIONS_SECTIONS): Define.
18275 * tree-pass.h (pass_expand_omp): Declare.
18276 * omp-low.c (struct omp_region): Declare.
18277 (struct omp_context): Remove fields 'parallel_type',
18278 'parallel_start_ix' and 'parallel_start_additional_args'.
18280 (struct omp_for_data): Rename from struct expand_omp_for_data.
18281 (omp_regions): New static variable.
18282 (root_omp_region): New static variable.
18283 (find_omp_clause): Make static.
18284 (is_in_combined_parallel_ctx): Remove.
18285 (is_combined_parallel): New.
18286 (extract_omp_for_data): Move earlier in the file.
18287 (workshare_safe_to_combine_p): New.
18288 (get_ws_args_for): New.
18289 (determine_parallel_type): Move earlier in the file.
18290 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18292 (omp_copy_decl): Likewise.
18293 (create_omp_child_function): Likewise.
18294 (lookup_omp_region): New.
18295 (dump_omp_region): New.
18296 (debug_omp_region): New.
18297 (debug_all_omp_regions): New.
18298 (new_omp_region): New.
18299 (scan_omp_parallel): If parallel_nesting_level > 1, the
18300 directive is nested within another parallel directive.
18301 Set OMP_PARALLEL_FN.
18302 (scan_omp_for): Do not try to handle combined parallel+for
18304 Remove FIXME comment.
18305 (scan_omp_nested): Remove.
18306 (scan_omp_1): Do not call scan_omp_nested when
18307 parallel_nesting_level is > 1.
18308 Do not change the DECL_CONTEXT of local variables found.
18309 (lookup_decl_in_outer_ctx): New.
18310 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18311 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18312 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18313 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18314 If CTX is nested, lookup VAR in the outer context when
18315 building copy assignment.
18316 (lower_send_clauses): Rename from expand_send_clauses.
18317 If CTX is nested, lookup VAR in the outer context when
18318 building copy assignments.
18319 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18320 If CTX is nested, lookup VAR in the outer context when
18321 building copy assignments.
18322 (expand_parallel_call): Rename from build_parallel_call.
18323 Handle combined parallel+workshare cases.
18324 Re-implement to emit code into the CFG.
18326 (expand_omp_parallel): Re-implement to emit code into the CFG.
18327 Call move_sese_region_to_fn to outline the sub-graph
18328 containing the parallel region.
18329 (expand_omp_for_1): Remove.
18330 (expand_omp_for_generic): Re-implement to emit code into the
18332 (expand_omp_for_static_nochunk): Likewise.
18333 (expand_omp_for_static_chunk): Likewise.
18334 (expand_omp_for): Likewise.
18335 (expand_omp_sections): Likewise.
18336 (remove_exit_barriers): New.
18337 (expand_omp_synch): New.
18339 (build_omp_regions_1): New.
18340 (build_omp_regions): New.
18341 (execute_expand_omp): New.
18342 (gate_expand_omp): New.
18343 (pass_expand_omp): Define.
18344 (lower_omp_sections): Rename from expand_omp_sections.
18345 Set OMP_SECTIONS_SECTIONS.
18346 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18347 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18348 (lower_omp_single): Rename from expand_omp_simple.
18349 (lower_omp_master): Rename from expand_omp_master.
18350 (lower_omp_ordered): Rename from expand_omp_ordered.
18351 (lower_omp_critical): Rename from expand_omp_critical.
18352 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18353 (lower_omp_for): Re-implement.
18354 (lower_omp_parallel): Re-implement.
18355 (lower_regimplify): Rename from expand_regimplify.
18356 (lower_omp_1): Rename from expand_omp_1.
18357 If there are syntax errors in the program, replace every
18358 OpenMP directive with NOP.
18359 Call lower_omp_* instead of expand_omp_*.
18360 (lower_omp): Rename from expand_omp.
18362 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18363 * tree-gimple.h (enum omp_parallel_type): Remove.
18364 (gimple_boolify): Declare extern.
18365 (find_omp_clause, determine_parallel_type): Remove.
18367 * gimple-low.c (lower_omp_directive): New.
18368 (lower_stmt): Call it.
18369 (record_vars_into): Move from ...
18370 (record_vars): ... here.
18371 Call record_vars_into with current_function_decl.
18373 * gimplify.c (struct gimplify_ctx): Remove fields
18374 combined_pre_p and combined_ctxp. Update users.
18375 (get_formal_tmp_var): Add documentation.
18376 (gimple_boolify): Make extern.
18377 (gimplify_expr_in_ctx): Remove. Update callers.
18378 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18379 will always be a BIND_EXPR.
18380 (gimplify_expr): Handle OMP_RETURN_EXPR.
18381 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18382 (OMP_PARALLEL): Add 3 operands.
18383 (OMP_SECTIONS): Add 1 operand.
18384 (OMP_RETURN_EXPR): Define.
18386 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18387 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18388 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18389 creating a circular free list.
18390 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18392 * tree-flow.h (move_sese_region_to_fn): Declare.
18393 (record_vars_into): Declare.
18394 * tree-cfg.c (make_omp_sections_edges): New.
18395 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18396 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18397 OMP_SECTIONS and OMP_SECTION.
18398 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18399 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18400 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18401 (gather_blocks_in_sese_region): New.
18402 (struct move_stmt_d): Declare.
18403 (move_stmt_r): New.
18404 (move_block_to_fn): New.
18405 (move_sese_region_to_fn): New.
18407 * passes.c (init_optimization_passes): Schedule
18408 pass_expand_omp after pass_init_datastructures.
18410 * tree-ssa-operands.c (get_expr_operands): Handle
18411 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18412 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18414 2006-01-19 Jeff Law <law@redhat.com>
18416 * tree-vrp.c (extract_range_from_assert): Refine the result range
18417 if the variable referenced by the ASSERT_EXPR has a range and
18418 either the tentative result range or the previous range is a
18421 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18423 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18425 2006-01-19 Jan Hubicka <jh@suse.cz>
18427 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18429 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18431 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18432 (expand_compound_operation, expand_field_assignment): Fail if the
18433 bit lengths of an extract operation are out of range.
18434 (make_extraction): Compute wanted_inner_mode based on the position
18435 and length of the extraction. Make it extraction_mode for non-constant
18436 positions, and do not modify offset in that case. When generating a
18437 new MEM, use a mode that can hold the extraction while keeping correct
18438 alignment. Remove code that supported MEMs wrapped by USEs.
18439 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18441 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18443 * config/s390/s390.md ("Y", "y"): New mode attribute.
18444 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18445 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18446 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18447 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18448 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18449 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18450 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18451 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18452 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18453 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18454 "addsi3", "subsi3"): Insn patterns removed.
18455 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18456 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18457 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18458 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18459 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18460 "*sub<mode>3_cconly2"): New insn patterns.
18461 ("addsi3", "subsi3"): New expanders.
18463 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18465 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18466 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18467 existing STMT_VINFO_VECTYPE if available.
18468 (vect_mark_relevant): Add special handling for stmts that are
18469 marked as STMT_VINFO_IN_PATTERN_P.
18470 (vect_analyze_loop): Call vect_pattern_recog.
18471 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18472 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18474 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18475 (vect_recog_func_ptr): New function-pointer type.
18476 * tree-vect-patterns.c: New file.
18477 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18478 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18479 (vect_pattern_recog_1): New functions.
18480 (vect_pattern_recog_funcs): New array of function pointers.
18482 * tree-vectorizer.h (ternary_op): New enum value.
18483 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18484 declaration. Revised documentation. Removed redundant dump prints.
18485 Removed redundant argument. Added support for reduction patterns.
18486 (vectorizable_reduction): Added support for reduction patterns.
18487 (vect_transform_stmt): Added support for patterns.
18489 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18490 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18491 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18492 (expand_widen_pattern_expr): New function.
18493 (init_optabs): Initialize new optabs udot_prod_optab,
18495 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18496 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18497 (expand_widen_pattern_expr): New function declaration.
18498 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18500 * tree-inline.c (estimate_num_insns_1): Added cases for new
18501 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18502 * tree-pretty-print.c (dump_generic_node): Likewise.
18503 (op_prio): Likewise.
18504 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18505 * tree-ssa-operands.c (get_expr_operands): Added case for
18507 * tree-vect-patterns.c (widened_name_p): New function.
18508 (vect_recog_dot_prod_pattern): Added function implementation.
18509 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18510 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18511 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18512 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18514 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18515 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18516 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18517 (init_optabs): Initialize new optabs widen_ssum_optab,
18519 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18520 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18521 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18522 use instead of type of def.
18523 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18524 function implementation.
18525 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18526 widen_ssumv8hi): New.
18528 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18531 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18534 * c-decl.c (add_flexible_array_elts_to_size): New function.
18535 (finish_decl): Use it.
18537 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18539 * diagnostic.h: Include options.h.
18540 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18541 dependancies for diagnostic.h.
18542 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18544 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18546 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18547 (ssa_ro_call_cache_valid): Ditto.
18548 * tree-ssa-alias.c (sort_tags_by_id): New function.
18549 (init_transitive_clobber_worklist): Ditto.
18550 (add_to_worklist): Ditto.
18551 (mark_aliases_call_clobbered): Ditto.
18552 (compute_tag_properties): Ditto.
18553 (set_initial_properties): Ditto.
18554 (compute_call_clobbered): Ditto.
18555 (compute_may_aliases): Call compute_call_clobbered and grouping.
18556 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18557 (compute_flow_insensitive_aliasing): Grouping now happens in our
18559 (setup_pointers_and_addressables): Remove clobbering related code.
18560 (add_may_alias): Ditto.
18561 (replace_may_alias): Ditto.
18562 (get_nmt_for): Ditto.
18563 (create_global_var):
18564 (is_escape_site): Return an escape_type enumeration.
18565 * tree-flow-inline.h (is_call_clobbered): Global var does not
18566 imply call clobbered.
18567 (mark_call_clobbered): Take a reason for marking this. Remove
18568 marking of globalness, and cache invalidation.
18569 (clear_call_clobbered): Remove cache invalidation code.
18570 * tree-dfa.c (dump_variable): If details is on, dump the reason
18572 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18574 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18575 (struct var_ann_d): Ditto.
18576 (enum escape_type): New.
18577 (mark_call_clobbered): Adjust prototype.
18578 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18579 are never call clobbered.
18580 Record reasons for escaping.
18581 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18582 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18583 (ssa_ro_call_cache_valid): Ditto.
18584 (clobbered_v_may_defs): Ditto.
18585 (clobbered_vuses): Ditto.
18586 (ro_call_vuses): Ditto.
18587 (clobber_stats): New.
18588 (init_ssa_operands): Zero out clobber stats.
18589 (fini_ssa_operands): Print out clobber stats.
18590 (get_call_expr_operands): Pass callee fndecl to
18591 add_call_read_ops).
18592 (add_call_clobber_ops): Remove use of cache.
18593 Add use of PURE_CONST information.
18594 (add_call_read_ops): Remove use of cache.
18595 Add use of static not_read information.
18597 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18599 Introduce TLS descriptors for i386 and x86_64.
18600 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18601 (TARGET_ANY_GNU_TLS): New macro.
18602 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18603 (struct machine_function): Add tls_descriptor_call_expanded_p.
18604 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18605 (ix86_current_function_calls_tls_descriptor): Likewise.
18606 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18607 (override_options): Introduce gnu2 tls dialect.
18608 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18610 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18612 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18613 (ix86_init_machine_status): Initialize new field.
18614 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18615 (ix86_tls_module_base): New.
18616 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18617 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18618 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18619 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18620 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18621 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18622 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18623 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18624 * config/i386/predicates.md (tls_modbase_operand): New.
18625 (tp_or_register_operand): New.
18627 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18629 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18630 (look_for_address_of): Ditto.
18631 (ipa_init): Walk the function decls.
18632 (static_execute): Don't set readonly on FUNCTION_DECL's.
18634 2006-01-18 Roger Sayle <roger@eyesopen.com>
18636 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18637 for shifts where the source and destination registers are different.
18639 2006-01-18 Paul Brook <paul@codesourcery.com>
18641 Merge from csl-arm-branch.
18642 2005-03-14 Julian Brown <julian@codesourcery.com>
18643 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18644 (aeabi_llsl): Likewise.
18645 (ashrdi3): Likewise.
18646 (aeabi_lasr): Likewise.
18647 (lshrdi3): Likewise.
18648 (aeabi_llsr): Likewise.
18649 2005-03-10 Julian Brown <julian@codesourcery.com>
18650 * config.gcc: Disable shared libgcc for SymbianOS.
18651 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18653 2006-01-18 DJ Delorie <dj@redhat.com>
18655 * c-pragma.c (handle_pragma_diagnostic): New.
18656 (init_pragma): Register it.
18657 * doc/extend.texi: Document it.
18659 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18660 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18661 (diagnostic_context): Add classify_diagnostic[].
18662 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18663 as errors if they're overridden to DK_WARNING.
18664 (diagnostic_initialize): Initialize classify_diagnostic[].
18665 (diagnostic_set_kind_override): New.
18666 (diagnostic_report_diagnostic): Check for kind changes.
18667 * opts.c (common_handle_option): Take lang_mask. Update callers.
18668 Handle OPT_Werror_.
18669 * common.opt (Werror=): New.
18670 * doc/invoke.texi: Document -Werror=*
18672 2006-01-18 Jeff Law <law@redhat.com>
18674 * tree-vrp.c (test_for_singularity): Correct test for new
18675 min limit. Use operand_equal_p rather than pointer equality
18676 for testing if new min/max values are equal.
18678 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18679 using range information until after propagation and folding.
18681 2006-01-18 Richard Henderson <rth@redhat.com>
18682 Aldy Hernandez <aldyh@redhat.com>
18683 Jakub Jelinek <jakub@redhat.com>
18684 Diego Novillo <dnovillo@redhat.com>
18686 * omp-low.c: New file.
18687 * c-omp.c: New file.
18689 2006-01-18 Richard Henderson <rth@redhat.com>
18690 Jakub Jelinek <jakub@redhat.com>
18691 Diego Novillo <dnovillo@redhat.com>
18693 * doc/invoke.texi: Document -fopenmp.
18694 * tree-dump.h (debug_function): Declare.
18695 * hooks.c (hook_bool_tree_bool_false): New function.
18696 (hook_tree_tree_null): Remove.
18697 (hook_tree_tree_tree_null): New.
18698 * hooks.h: Update to match.
18699 * tree-pretty-print.c (debug_tree_chain): New.
18700 (print_generic_expr): Handle TDF_CHAIN.
18701 (dump_generic_node): Handle BLOCK.
18702 Do not abort with incomplete SWITCH_EXPRs.
18703 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18704 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18705 print space after directive name.
18706 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18707 Handle OMP_MASTER and OMP_ORDERED.
18708 Handle printing of OMP_BODY just in one place, goto
18709 dump_omp_body in the rest of OMP_* nodes that have
18711 Don't handle clause nodes here. Update omp statements to
18712 use dump_omp_clauses.
18713 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18714 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18715 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18716 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18717 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18718 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18719 Adjust output for GOMP_PARALLEL.
18720 (dump_omp_clauses): New.
18721 (print_declaration): Dump DECL_VALUE_EXPR.
18722 (op_symbol_1): Split out of op_symbol.
18723 (dumping_stmts): Remove. Update all users.
18724 * cgraph.c (cgraph_analyze_queue): New.
18725 (cgraph_add_new_function): New.
18726 * cgraph.h (cgraph_analyze_queue): Declare.
18727 (cgraph_add_new_function): Declare.
18728 (cgraph_lower_function): Remove.
18729 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18730 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18731 and TYPE_P nodes in its default clause.
18732 (empty_body_p): New.
18733 (tree_range_check_failed): New.
18734 (build5_stat): New.
18735 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18736 OMP_CLAUSE_REDUCTION_MERGE,
18737 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18738 OMP_CLAUSE_PRIVATE_DEBUG,
18739 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18740 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18741 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18742 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18743 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18744 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18745 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18746 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18747 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18748 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18749 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18750 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18751 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18752 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18753 (TREE_RANGE_CHECK): New.
18754 (empty_body_p): Declare.
18755 (enum omp_clause_default_kind): New.
18756 (build_string_literal): Declare.
18757 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18758 (build5_stat, build5): Declare.
18759 * tree-pass.h (TDF_CHAIN): Define.
18760 * tree-pass.h (PROP_gimple_lomp): Define.
18761 (pass_lower_omp): Declare.
18762 * diagnostic.h (debug_tree_chain): Declare.
18763 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18765 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18766 * builtins.c (build_string_literal): Make extern.
18767 * gcc.c (include_spec_function): New.
18768 (static_spec_functions): Add it.
18769 (main): Move load of libgomp.spec ...
18770 (LINK_COMMAND_SPEC): ... here.
18771 (link_gomp_spec): New.
18772 (static_specs): Include it.
18773 (LINK_COMMAND_SPEC): Add link_gomp.
18774 (GOMP_SELF_SPECS): New.
18775 (driver_self_specs): Include it.
18776 (switch_matches): Don't mark inline.
18777 (main): Load libgomp.spec.
18778 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18779 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18780 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18781 * tree-gimple.h (enum omp_parallel): Declare.
18782 (determine_parallel_type): Declare.
18783 (omp_firstprivatize_variable): Declare.
18784 (omp_reduction_init): Declare.
18785 (diagnose_omp_structured_block_errors): Declare.
18786 (struct walk_stmt_info): Add want_return_expr.
18787 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18788 (find_omp_clause): Declare.
18789 (insert_field_into_struct): Declare.
18790 (struct walk_stmt_info): Move from tree-nested.c
18791 (walk_stmts): Declare.
18792 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18794 * cgraphunit.c (cgraph_lower_function): Make static.
18795 (cgraph_finalize_pending_functions): New.
18796 (cgraph_finalize_function): Call it.
18797 (cgraph_finalize_compilation_unit): Likewise.
18798 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18799 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18800 (BT_FN_UINT_UINT): New.
18801 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18802 DEF_FUNCTION_TYPE_VAR_4): Document.
18803 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18804 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18805 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18806 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18807 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18808 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18809 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18810 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18811 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18812 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18813 into separate files.
18814 (DEF_GOMP_BUILTIN): New.
18815 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18816 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18817 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18818 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18819 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18820 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18821 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18822 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18823 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18824 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18825 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18826 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18827 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18828 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18829 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18830 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18831 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18832 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18833 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18834 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18835 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18836 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18837 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18838 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18839 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18840 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18841 * sync-builtins.def: New file, moved from builtins.def.
18842 * omp-builtins.def: New file, moved from builtins.def.
18843 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18844 * gimple-low.c (lower_function_body): Clear data.
18845 (lower_stmt): Do not handle COMPOUND_EXPR.
18846 Remove call to print_node_brief.
18847 * c-tree.h (c_finish_omp_clauses): New prototype.
18848 (C_DECL_THREADPRIVATE_P): Define.
18849 (lookup_name_no_remap, c_omp_remap_private): Remove
18850 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18851 (check_for_loop_decls): Update decl.
18852 (lookup_name_no_remap, c_omp_remap_private): Declare.
18853 (build_indirect_ref, build_modify_expr, pushdecl,
18854 pushdecl_top_level): Move to c-common.h.
18855 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18856 before the switch, but just in the 2 places that need it.
18857 * c-decl.c (diagnose_mismatched_decls): Do not check for
18858 mismatched thread-local attributes when OLDDECL is marked
18859 threadprivate and NEWDECL has no thread-local attributes.
18860 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18861 (c_gimple_diagnostics_recursively): Rename from
18862 c_warn_unused_result_recursively. Invoke
18863 diagnose_omp_structured_block_errors.
18864 (check_for_loop_decls): Return a singular decl found.
18865 * langhooks.c (lhd_omp_predetermined_sharing): Return
18866 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18867 (lhd_omp_firstprivatize_type_sizes): New.
18868 (lhd_omp_assignment): New.
18869 (lhd_omp_predetermined_sharing): New.
18870 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18871 (struct lang_hooks_for_types): Add
18872 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18873 omp_predetermined_sharing, omp_disregard_value_expr,
18874 omp_private_debug_clause, omp_clause_default_ctor,
18875 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18876 (c_finish_omp_clauses): New.
18877 (c_finish_bc_stmt): Diagnose break within omp for.
18878 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18879 (build_unary_op): Return error_mark after reporting
18881 (build_modify_expr): Likewise.
18882 * gimplify.c: Include optabs.h and pointer-set.h.
18883 (enum gimplify_omp_var_data): Declare.
18884 (struct gimplify_omp_ctx): Declare.
18885 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18887 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18888 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18889 (splay_tree_compare_decl_uid): New.
18890 (new_omp_context): New.
18891 (delete_omp_context): New.
18892 (gimple_add_tmp_var): Call omp_add_variable.
18893 (gimplify_bind_expr): Likewise.
18894 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18895 true, disregard DECL_VALUE_EXPR on the decl if any.
18896 (gimplify_expr_in_ctx): New.
18897 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18898 omp_add_variable, omp_notice_variable, omp_is_private
18899 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18900 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18901 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18902 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18903 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18904 gimplify_omp_atomic): New.
18905 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18906 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18907 OMP_CRITICAL and OMP_ATOMIC.
18908 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18909 * c-pragma.h (enum pragma_kind): Add
18910 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18911 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18912 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18913 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18914 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18915 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18916 PRAGMA_OMP_THREADPRIVATE.
18917 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18918 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18919 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18920 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18921 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18922 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18923 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18924 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18925 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18926 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18927 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18928 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18929 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18931 (struct nesting_info): Add field_map,
18932 suppress_expansion, debug_var_chain.
18933 (create_nesting_tree): Initialize them.
18934 (lookup_field_for_decl): Use field_map.
18935 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18936 (convert_local_omp_clauses): New.
18937 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18938 (walk_body): Split out of walk_function.
18939 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18940 (convert_nonlocal_reference): Handle omp statements.
18941 (convert_local_reference): Likewise.
18942 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18943 (unnest_nesting_tree): New.
18944 (lower_nested_functions): Call it.
18945 (insert_field_into_struct): Make extern.
18946 (struct walk_stmt_info): Move to tree-gimple.h.
18947 (walk_stmts): Make extern.
18948 * omp-builtins.def: New file.
18949 * tree-iterator.c (expr_only): Clarify comment.
18950 * c-common.h (pushdecl_top_level, pushdecl,
18951 build_modify_expr, build_indirect_ref,
18952 c_finish_omp_master, c_finish_omp_critical,
18953 c_finish_omp_ordered, c_finish_omp_barrier,
18954 c_finish_omp_atomic, c_finish_omp_flush,
18955 c_finish_omp_for, c_split_parallel_clauses,
18956 omp_clause_default_kind, c_omp_sharing_predetermined,
18957 c_omp_remap_decl): Declare.
18958 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18959 (OBJS-common): Add omp-low.o.
18960 (c-omp.o, omp-low.o): Add.
18961 (gimplify.o): Add dependency on $(OPTABS_H).
18962 (GTFILES): Add omp-low.c.
18963 (gt-stringpool.h): Add.
18964 * tree-cfg.c (set_bb_for_stmt): Do not update the
18965 block-to-labels map if we are currently expanding to RTL.
18966 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18968 Handle IDENTIFIER_NODE.
18969 (tree_verify_flow_info): Do not ICE when emitting error
18970 messages about invalid labels.
18971 (dump_function_to_file): Reset CFUN before emitting the body
18973 (debug_function): New.
18974 * passes.c (init_optimization_passes): Schedule
18976 * langhooks-def.h (lhd_omp_predetermined_sharing,
18977 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18979 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18980 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18981 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18982 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18983 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18984 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18985 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18986 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18987 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18988 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18989 (LANG_HOOK_DECLS): Use them.
18991 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18992 Richard Henderson <rth@redhat.com>
18993 Jakub Jelinek <jakub@redhat.com>
18994 Diego Novillo <dnovillo@redhat.com>
18996 * c-parser.c (pragma_omp_clause): Define.
18997 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18998 (c_parser_compound_statement): Likewise.
18999 (c_parser_statement): Likewise.
19000 (c_parser_pragma): Handle omp pragmas.
19001 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
19002 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
19003 (c_parser_omp_clause_name, check_no_duplicate_clause,
19004 c_parser_omp_variable_list,
19005 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
19006 c_parser_omp_clause_copyprivate,
19007 c_parser_omp_clause_default,
19008 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
19009 c_parser_omp_clause_lastprivate,
19010 c_parser_omp_clause_nowait,
19011 c_parser_omp_clause_num_threads,
19012 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
19013 c_parser_omp_clause_reduction,
19014 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
19015 c_parser_omp_all_clauses, c_parser_omp_structured_block,
19016 c_parser_omp_atomic, c_parser_omp_barrier,
19017 c_parser_omp_critical, c_parser_omp_flush,
19018 c_parser_omp_for_loop, c_parser_omp_for,
19019 c_parser_omp_master, c_parser_omp_ordered,
19020 c_parser_omp_sections_scope, c_parser_omp_sections,
19021 c_parser_omp_parallel, c_parser_omp_single,
19022 c_parser_omp_construct, c_parser_omp_threadprivate): New.
19023 * c-pragma.c (init_pragma): Do omp pragma registration here.
19024 * c.opt (fopenmp): New flag.
19026 2006-01-18 Eric Christopher <echristo@apple.com>
19028 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
19029 * config/darwin.h (GOMP_SELF_SPECS): Define.
19031 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19033 * rtl.h: Remove the prototype for reg_alloc.
19035 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19038 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
19039 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
19040 sjlj and dwarf2 exception handling.
19041 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
19042 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
19043 * pa/pa.c (function_value): Treat complex and vector types as
19045 (function_arg): Likewise. Only pass scalar floats in the floating
19046 point argument registers.
19047 * pa/t-slibgcc-dwarf-ver: New file.
19048 * pa/t-slibgcc-sjlj-ver: New file.
19049 * pa/t-slibgcc-elf-ver: Delete file.
19051 2006-01-19 Alan Modra <amodra@bigpond.net.au>
19053 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
19054 unlikely_test_section_p test.
19056 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19058 * mode-switching.c (optimize_mode_switching): Make it static.
19059 * basic-block.h: Remove the prototype for
19060 optimize_mode_switching.
19062 * modulo-sched.c (sms_schedule): Make it static.
19063 * rtl.h: Remove the prototype for sms_schedule.
19065 * postreload-gcse.c (gcse_after_reload_main): Make it static.
19066 * rtl.h: Remove the prototype for gcse_after_reload_main.
19068 * reg-stack.c (reg_to_stack): Make it static.
19069 * rtl.h: Remove the prototype for reg_to_stack.
19071 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
19073 * rtl.h: Remove the prototypes for regrename_optimize and
19074 copyprop_hardreg_forward.
19076 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
19078 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
19079 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
19080 Test against the appropriate null constant for the mode.
19081 If 'fixup_overlap' is true, swap the operands if they overlap.
19082 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
19083 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
19084 alpha_split_tmode_pair and adjust for above change.
19085 * config/alpha/alpha.md (movtf_internal): Adjust call to
19086 alpha_split_tfmode_pair and rely on it to swap the operands.
19087 (movti_internal): New insn and post-reload splitter.
19088 (movti): New expander.
19090 2006-01-18 Philippe De Muyter <phdm@macqel.be>
19092 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
19095 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19097 * rtlanal.c (global_reg_mentioned_p_1,
19098 global_reg_mentioned_p): Remove.
19099 * rtl.h: Remove the prototype for global_reg_mentioned_p.
19101 * flow.c (initialize_uninitialized_subregs): Make it static.
19102 * rtl.h: Remove the prototype for
19103 initialize_uninitialized_subregs.
19105 * function.c (instantiate_virtual_regs): Make it static.
19106 * function.h: Remove the prototype for
19107 instantiate_virtual_regs.
19109 * regmove.c (regmove_optimize, combine_stack_adjustments):
19111 * rtl.h: Remove the prototypes for regmove_optimize and
19112 combine_stack_adjustments.
19114 2006-01-17 Roger Sayle <roger@eyesopen.com>
19116 * config/i386/i386.c (COSTS_N_BYTES): New macro.
19117 (size_cost): Encode costs in bytes so that a reg-reg addition is
19118 equivalent to COSTS_N_INSNS(1).
19119 (override_options): Use the size_cost.branch_cost as the default
19120 ix86_branch_cost when optimizing for size.
19122 2006-01-18 Ben Elliston <bje@au.ibm.com>
19124 * Makefile.in (D32PBIT_FUNCS): New.
19125 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
19126 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
19127 D64PBIT_FUNCS and D128PBIT_FUNCS.
19128 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
19129 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
19131 (decnumber_dep): Define.
19132 * doc/libgcc.texi (Decimal float library routines): New node.
19133 * config/dfp-bit.h, config/dfp-bit.c: New files.
19135 2006-01-18 Ben Elliston <bje@au.ibm.com>
19137 * expr.c (emit_move_change_mode): Always adjust addresses, not
19138 just during reload. Copy replacements only during reload.
19139 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
19140 emit_move_via_integer.
19142 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
19144 * Makefile.in (check-%, check-consistency): Use $${srcdir}
19145 instead of $(srcdir) and ${srcdir}.
19147 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
19150 PR middle-end/11135
19151 * arm.h (struct machine_function): Add pic_reg.
19152 * arm.c (arm_pic_register): Make unsigned.
19153 (arm_override_options): Only set arm_pic_register if
19154 TARGET_SINGLE_PIC_BASE.
19155 (use_return_insn): Only test for a pic register if it is fixed.
19156 (arm_compute_save_reg0_reg12_mask): Likewise.
19157 (thumb_compute_save_reg_mask): Likewise.
19158 (legitimate_pic_operand): Factor out some known invariants.
19159 (legitimize_pic_address): If we don't have a fixed pic register,
19160 then set up a pseudo in the function entry sequence. Handle the
19161 pic base being in a pseudo.
19162 (arm_load_pic_register): Handle the pic register being in a pseudo.
19163 (arm_expand_prologue): Only set up the pic register if it is fixed.
19164 (thumb_expand_prologue): Likewise.
19165 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
19166 (pic_load_addr_based_insn): Likewise.
19167 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
19170 2006-01-18 Ben Elliston <bje@au.ibm.com>
19172 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
19173 decimal float modes for all floating point registers.
19175 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
19176 match_code "mem" with match_test "macho_lo_sum_memory_operand".
19178 2006-01-17 Jakub Jelinek <jakub@redhat.com>
19181 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
19182 even when the pointer is not NULL.
19184 2006-01-16 Ian Lance Taylor <ian@airs.com>
19186 * common.opt (ftoplevel-reorder): New option.
19187 * cgraph.c (cgraph_asm_nodes): New global variable.
19188 (cgraph_asm_last_node): New static variable.
19189 (cgraph_order): New global variable.
19190 (cgraph_create_node): Set new order field.
19191 (cgraph_varpool_node): Likewise.
19192 (decide_is_variable_needed): Return true if not
19193 flag_toplevel_reorder.
19194 (cgraph_add_asm_node): New function.
19195 * cgraph.h (struct cgraph_node): Add order field.
19196 (struct cgraph_varpool_node): Add order field.
19197 (struct cgraph_asm_node): Define.
19198 (cgraph_asm_nodes, cgraph_order): Declare.
19199 (cgraph_add_asm_node): Declare.
19200 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19202 (cgraph_varpool_assemble_pending_decls): Call it.
19203 (cgraph_output_pending_asms): New static function.
19204 (cgraph_finalize_compilation_unit): Call it.
19205 (struct cgraph_order_sort): Define.
19206 (cgraph_output_in_order): New static function.
19207 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19208 !flag_toplevel_reorder case.
19209 * c-parser.c: Include "cgraph.h".
19210 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19212 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19213 than -fno-unit-at-a-time.
19214 * doc/invoke.texi (Option Summary): Mention
19215 -fno-toplevel-reorder.
19216 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19217 -funit-at-a-time documentation.
19219 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19220 Kazu Hirata <kazu@codesourcery.com>
19222 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19224 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19226 * Makefile.in (FUNCTION_H): New. Use it instead of
19227 function.h throughout the file.
19228 * function.h: Include tree.h.
19230 2006-01-17 Ben Elliston <bje@au.ibm.com>
19232 * recog.c: Separate some functions with whitespace.
19234 2006-01-16 Richard Henderson <rth@redhat.com>
19236 Merge from gomp branch:
19237 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19238 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19239 and rename from struct inline_data. Rename callee* to dst*;
19240 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19241 transform_new_cfg, transform_return_to_modify, and
19242 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19244 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19245 (copy_decl_for_dup): Remove.
19246 * tree-inline.c (struct inline_data): Move to header.
19247 (insert_decl_map): Export.
19248 (remap_decl): Update for member name changes. Use copy_decl hook.
19249 Allow for replacement to be a non-decl. Remove dead code.
19250 (remap_type_1): Check for existing mapping.
19251 (remap_type): Export.
19252 (remap_decls): Update for member name changes.
19253 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19254 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19255 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19256 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19257 (tree_function_versioning, build_duplicate_type): Likewise.
19258 (copy_body_r): Likewise. Export.
19259 (copy_decl_for_dup): Split into ...
19260 (copy_decl_for_dup_finish, copy_decl_to_var,
19261 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19262 (replace_ref_tree, inlining_p): Remove.
19264 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19266 * ifcvt.c (if_convert): Make it static.
19267 * rtl.h: Remove the prototype for if_convert.
19269 * local-alloc.c (local_alloc): Make it static.
19270 * rtl.h: Remove the prototype for local_alloc.
19272 * loop.c (loop_optimize): Make it static.
19273 * cfgloop.h: Remove the prototype for loop_optimize.
19276 2006-01-16 DJ Delorie <dj@redhat.com>
19278 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19281 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19283 * pa.md: Disparage copies between general and floating-point registers
19284 in 32-bit move patterns.
19286 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19289 * Makefile.in (check-%): Depend on site.exp instead of
19290 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19293 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19295 * global.c (global_alloc): Make it static.
19296 * rtl.h: Remove the prototype for global_alloc.
19298 2006-01-16 Richard Guenther <rguenther@suse.de>
19300 * tree-ssa-alias.c (struct used_part): Add write_only field.
19301 (get_or_create_used_part_for): Initialize it to true.
19302 (create_overlap_variables_for): Don't create structure variables
19303 for structures that only are written to.
19304 (find_used_portions): Handle MODIFY_EXPR to track whether a
19305 structure is only written to.
19307 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19309 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19311 * basic-block.h: Remove the prototype for
19312 partition_hot_cold_basic_blocks.
19314 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19316 * cppspec.c (lang_specific_spec_functions): Remove.
19317 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19318 * gcc.h (lang_specific_spec_functions): Remove.
19319 * gccspec.c (lang_specific_spec_functions): Remove.
19321 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19323 * combine.c (record_value_for_reg): Invalidate registers
19325 (record_dead_and_set_regs_1): Likewise, by passing them to
19326 record_value_for_reg.
19327 (record_dead_and_set_regs): Invalidate stores made by a
19328 call. We do not combine across a call, but we still
19329 relied on equivalences.
19331 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19333 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19334 vrp_int_const_binop returning non-constant nodes.
19336 2006-01-16 Paul Brook <paul@codesourcery.com>
19338 * config/m68k/m68k.c (output_move_const_into_data_reg):
19339 Output correct mnemonic for mvz and mvs.
19341 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19343 * rtl-factoring.c: Add sequence abstraction algorithm.
19344 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19345 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19347 (block_has_preserve_label): New function.
19348 * common.opt: Register new pass.
19349 * Makefile.in: Ditto.
19351 * timevar.def: Ditto.
19352 * tree-pass.h: Ditto.
19353 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19354 * rtl.h (make_jump_insn_raw): Add forward decl.
19355 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19357 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19358 Roger Sayle <roger@eyesopen.com>
19360 * fold-const.c (fold_minmax): New static function.
19361 (fold_binary) <MIN_EXPR>: Call it.
19362 <MAX_EXPR>: Likewise.
19363 * stor-layout.c (place_field): Use DECL_SIZE consistently
19364 in the computation of the new record size.
19366 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19368 * cse.c (cse_condition_code_reg): Make it static.
19369 * rtl.h: Remove the prototype for cse_condition_code_reg.
19371 * combine.c (combine_instructions): Make it static.
19372 * rtl.h: Remove the prototype for combine_instructions.
19374 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19377 * tree.c (get_file_function_name_long): Concatenate the first global
19378 object name with a string derived from the input filename of the object
19381 2006-01-16 Ben Elliston <bje@au.ibm.com>
19383 * config/i386/winnt-stubs.c: Update FSF address.
19384 * config/xtensa/ieee754-df.S: Ditto.
19385 * config/xtensa/ieee754-sf.S: Ditto.
19387 2006-01-14 Ian Lance Taylor <ian@airs.com>
19389 * ifcvt.c (noce_init_if_info): New static function, broken out of
19390 noce_process_if_block.
19391 (noce_process_if_block): Call noce_init_if_info.
19392 (check_cond_move_block): New static function.
19393 (cond_move_process_if_block): New static function.
19394 (process_if_block): Call cond_move_process_if_block.
19396 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19398 * cselib.c (hash_table): Rename to cselib_hash_table.
19399 (cselib_clear_table, discard_useless_values,
19400 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19401 cselib_init, cselib_finish): Adjust uses of hash_table.
19403 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19405 PR tree-optimization/25485
19406 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19407 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19408 is known to be false and true, respectively.
19410 2006-01-14 Richard Guenther <rguenther@suse.de>
19412 PR tree-optimization/22548
19413 PR tree-optimization/22555
19414 PR tree-optimization/22501
19415 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19416 * params.def (salias-max-array-elements): New parameter.
19417 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19418 * doc/invoke.texi (salias-max-array-elements): Document.
19419 * tree-flow-inline.h (var_can_have_subvars): We also handle
19421 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19423 * tree-ssa-structalias.c (params.h): Include.
19424 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19425 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19426 (get_constraint_for): For ADDR_EXPR operating on something
19427 containing an ARRAY_REF, add all subvars to the solution.
19428 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19429 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19430 for creating MUST_DEFs.
19431 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19433 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19435 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19437 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19438 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19439 number_of_iterations_le): New functions.
19440 (number_of_iterations_special): Removed.
19441 (number_of_iterations_exit): Do not use number_of_iterations_special.
19442 * tree.c (unsigned_type_for): Always return integer type.
19444 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19445 Richard Guenther <rguenther@suse.de>
19447 PR rtl-optimization/24257
19448 * gcse.c (find_moveable_store): Only consider a store movable
19449 when the SET_SRC of the insn can be assigned to a register.
19451 2006-01-14 Ian Lance Taylor <ian@airs.com>
19453 * tree.c (tree_not_class_check_failed): New function.
19454 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19455 (tree_not_class_check_failed): Declare.
19457 2006-01-13 Ian Lance Taylor <ian@airs.com>
19459 * reload1.c (do_output_reload): Add assertion rejecting a
19462 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19464 * combine.c (struct reg_stat): Add new fields truncation_label and
19466 (record_value_for_reg): Reset truncated_to_mode.
19467 (record_truncated_value): New function.
19468 (check_promoted_subreg): Call it. Rename to check_conversions.
19469 (combine_instructions): Rename check_promoted_subreg to
19471 (reg_truncated_to_mode): New function.
19472 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19473 (gen_lowpart_or_truncate): New function.
19474 (force_to_mode): Use it instead of gen_lowpart.
19476 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19478 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19479 VAR is a tag, not its type tag.
19481 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19483 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19484 alternatives to match style of other entries.
19485 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19487 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19489 PR tree-optimization/25771
19490 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19493 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19496 * tree-inline.c (declare_return_variable): If the return variable
19497 was marked as a non gimple complex, set the return slot variable
19498 to be a non gimple comple variable.
19500 2006-01-13 Richard Guenther <rguenther@suse.de>
19502 * builtins.c (expand_builtin_sincos): New function.
19503 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19505 (expand_builtin): Expand sincos using expand_builtin_sincos.
19507 2006-01-12 DJ Delorie <dj@redhat.com>
19509 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19510 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19511 so that constant shifts can be split.
19512 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19513 (m32c_valid_pointer_mode): Make static.
19514 (shift_gen_func_for): New.
19515 (m32c_prepare_shift): Use it. Split large const shifts into
19517 * config/m32c/predicates.md (shiftcount_operand): Allow more
19519 (longshiftcount_operand): New.
19520 * doc/md.texi (Machine Constraints): Document In6.
19522 2006-01-13 Ben Elliston <bje@au.ibm.com>
19524 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19525 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19528 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19530 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19531 to try to avoid clobbering pieces of structures when we know
19532 something about the whole structure.
19533 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19535 2006-01-13 Ben Elliston <bje@au.ibm.com>
19537 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19538 return in memory, as this is no limitation is no longer present.
19540 2006-01-12 DJ Delorie <dj@redhat.com>
19542 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19543 mova with fb, and for fb+0 -> An.
19545 * config/m32c/mov.md (peephole2): Fix enabling logic.
19547 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19548 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19549 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19550 FINI_ARRAY_SECTION_ASM_OP): Define.
19552 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19554 (m32c_legitimize_reload_address): New logic to reload FB to An.
19555 (m32c_output_reg_push): Add newline.
19556 (m32c_output_reg_pop): Likewise.
19558 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19560 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19562 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19564 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19566 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19568 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19571 2006-01-11 Ben Elliston <bje@au.ibm.com>
19573 * rtlanal.c (find_reg_note): Assert insn is not null.
19575 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19577 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19580 2006-01-11 Jeff Law <law@redhat.com>
19582 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19584 (mark_threaded_blocks, register_jump_thread): New functions.
19585 (thread_through_all_blocks): Remove unwanted argument. No
19586 longer rely on e->aux to communicate thread target info.
19587 Call mark_threaded_blocks. Release the threaded_blocks
19588 bitmap and threaded_edges vector when complete.
19589 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19590 (threaded_blocks): Remove.
19591 (tree_ssa_dominator_optimize): Remove initialization and
19592 finalization of threaded_blocks. Simplify call to
19593 thread_through_all_blocks.
19594 (thread_across_edge): Call register_jump_thread rather than
19595 storing thread information into e->aux.
19596 (free_all_edge_infos): Simplify now that e->aux is no longer
19597 used to communicate with thread_through_all_blocks.
19598 * tree-flow.h (thread_through_all_blocks): Update prototype.
19599 (register_jump_thread): Prototype.
19601 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19603 * df-core.c (df_compact_blocks, df_bb_replace): Use
19604 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19606 2006-01-11 Richard Guenther <rguenther@suse.de>
19608 PR tree-optimization/25734
19609 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19610 stop propagation after successful propagation to the LHS.
19612 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19614 * basic-block.h (control_flow_graph): Change the type of
19615 x_basic_block_info to VEC(basic_block,gc) *.
19616 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19618 (SET_BASIC_BLOCK): New.
19619 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19620 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19621 * cfgbuild.c (find_basic_blocks): Likewise.
19622 * cfglayout.c (fixup_reorder_chain): Likewise.
19623 * cfgrtl.c (create_basic_block_structure,
19624 rtl_create_basic_block): Likewise.
19625 * ifcvt.c (find_if_case_1): Likewise.
19626 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19629 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19631 * Makefile.in: Removed rotted odf.c entry.
19633 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19636 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19637 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19638 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19639 output pattern modifier, not %e.
19640 * config/cris/cris.c (cris_op_str): Update comment about pattern
19642 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19643 before falling through into...
19644 <case 'E'>: Redefined from old 'e' case.
19646 2006-01-11 Jan Hubicka <jh@suse.cz>
19649 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19651 2006-01-11 Jan Hubicka <jh@suse.cz>
19653 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19654 * i386.c (x86_decompose_lea): Kill.
19655 (ix86_rtx_costs): Kill.
19657 2006-01-11 Jan Hubicka <jh@suse.cz>
19659 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19660 * cgraph.h (cgraph_node): Add inline_decl.
19661 (cgraph_insert_node_to_hashtable): Declare.
19662 (save_inline_function_body): Declare.
19663 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19665 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19666 (cgraph_function_versioning): Update call of tree_function_versioning.
19667 (save_inline_function_body): New function.
19668 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19669 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19670 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19671 (cgraph_default_inline_p): Likewise.
19672 (cgraph_decide_inlining_incrementally): Likewise.
19673 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19674 (copy_bb): Kill saving; do updating of clones.
19675 (copy_cfg_body): Kill saving.
19676 (initialize_inlined-parameters): Likewise.
19677 (expand_call_inline): Likewise.
19679 (tree_function_versioning): New parameter "update_clones".
19680 (inlining_p): Kill saving.
19681 * tree-inline.h (tree_function_versioning): Update prototype.
19682 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19685 2006-01-11 Ian Lance Taylor <ian@airs.com>
19687 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19688 Allow undoing set of machine mode.
19689 (do_SUBST): Use enums instead of is_int.
19690 (do_SUBST_MODE): New function.
19691 (SUBST_MODE): New macro.
19692 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19693 reg and trying to replace reg_regno_rtx with a new register.
19694 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19695 (simplify_set): Use SUBST_MODE.
19696 (distribute_notes): Remove code that tried to update reg notes
19697 for regno_reg_rtx changes.
19699 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19701 PR tree-optimization/23109
19702 PR tree-optimization/23948
19703 PR tree-optimization/24123
19705 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19706 * tree-cfg.c (single_noncomplex_succ): New.
19707 * tree-flow.h (single_noncomplex_succ): Declare it.
19708 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19709 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19710 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19711 insert_bb, register_division_in, insert_reciprocals,
19712 replace_reciprocal, free_bb): New.
19713 (execute_cse_reciprocals_1): Rewritten.
19714 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19715 Do not commit any edge insertion. Always compute dominators and
19716 create the allocation pool.
19717 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19718 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19719 * targhooks.c (default_min_divistions_for_recip_mul): New.
19720 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19721 * passes.c (init_optimization_passes): Run recip after tree loop
19723 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19725 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19726 Kenneth Zadeck <zadeck@naturalbridge.com>
19728 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19729 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19730 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19731 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19732 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19733 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19734 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19735 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19736 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19737 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19738 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19739 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19740 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19741 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19742 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19743 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19744 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19745 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19746 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19747 DF_SCAN_POST_ALLOC): New macros.
19748 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19749 df_free_bb_function, df_local_compute_function, df_init_function,
19750 df_dataflow_function, df_confluence_function_0,
19751 df_confluence_function_n, df_transfer_function,
19752 df_finalizer_function, df_free_function, df_dump_problem_function,
19753 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19754 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19755 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19756 df_urec_bb_info, ) New types.
19757 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19759 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19760 df_analyze_simple_change_some_blocks,
19761 df_analyze_simple_change_one_block, df_compact_blocks,
19762 df_bb_replace, df_bb_regno_last_use_find,
19763 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19764 df_insn_regno_def_p, df_find_def, df_find_use,
19765 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19766 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19767 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19768 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19769 debug_df_chain, df_get_dependent_problem, df_chain_create,
19770 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19771 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19772 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19773 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19774 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19775 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19776 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19777 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19778 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19779 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19780 df_reorganize_refs, df_set_state, df_hard_reg_init,
19781 df_read_modify_subreg_p) New public functions.
19782 * df-core.c: The core dataflow solver and glue routines for rtl
19784 (df_init, df_add_problem, df_set_blocks, df_finish,
19785 df_hybrid_search_forward, df_hybrid_search_backward,
19786 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19787 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19788 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19789 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19790 df_reg_defined, df_find_use, df_reg_used, df_dump,
19791 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19792 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19793 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19794 debug_df_useno, reset_df_after_reload): New functions.
19795 * df-scan.c: The scanning fuctions, once in df.c, completely
19796 rewritten so that they now fully model the functionality of
19797 register usage at the backend.
19798 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19799 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19800 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19801 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19802 df_get_artificial_defs, df_get_artificial_uses,
19803 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19804 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19805 df_refs_delete, df_reorganize_refs, df_set_state,
19806 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19807 df_def_record_1, df_defs_record, df_uses_record,
19808 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19809 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19810 df_record_exit_block_uses, df_hard_reg_init): New functions.
19812 * df-problems.c: Seven concrete dataflow problems that use the
19813 scanning in df-scan.c and are solved by the engine in df-core.c.
19814 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19815 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19816 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19817 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19818 df_ru_free_bb_info, df_ru_alloc,
19819 df_ru_bb_local_compute_process_def,
19820 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19821 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19822 df_ru_transfer_function, df_ru_free, df_ru_dump,
19823 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19824 df_rd_free_bb_info, df_rd_alloc,
19825 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19826 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19827 df_rd_transfer_function, df_rd_free, df_rd_dump,
19828 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19829 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19830 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19831 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19832 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19833 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19834 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19835 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19836 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19837 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19838 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19839 df_urec_mark_reg_use_for_earlyclobber,
19840 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19841 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19842 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19843 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19844 df_chain_create_bb_process_use, df_chain_create_bb,
19845 df_chain_finalize, df_chain_free, df_chains_dump,
19846 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19847 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19848 df_reg_lifetime): New functions.
19849 * df.c: Deleted file.
19850 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19851 consistent with new df api.
19852 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19853 rest_of_handle_sms): Ditto.
19854 * web.c (unionfind_union, union_defs, entry_register, web_main):
19856 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19857 invariant_expr_equal_p, find_defs, check_dependencies,
19858 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19859 free_inv_motion_data, move_loop_invariants): Ditto.
19860 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19861 Update dependencies.
19862 (odf.c): Added defective entry that was deleted later in day.
19863 * sched-deps.c (sched_analyze_1): Ditto.
19865 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19867 * tree-ssa-operands.c (get_expr_operands): Record addressable
19868 variables directly. Do not call add_stmt_operands for CONST_DECLs
19870 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19871 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19873 2006-01-11 Ben Elliston <bje@au.ibm.com>
19875 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19876 function returns true in the positive case.
19878 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19881 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19882 for SI, DI, SF and DF modes. Add alternatives to copy between
19883 general and floating point registers to the 32-bit patterns.
19884 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19885 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19886 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19887 generating 64-bit code.
19888 * config/pa/pa.c (output_move_double): Handle copies between general
19889 and floating registers.
19891 2006-01-10 Stuart Hastings <stuart@apple.com>
19893 * config/i386/i386.md (set_got): Update.
19894 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19895 (builtin_setjmp_receiver): Mach-O support.
19896 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19897 (GOT_SYMBOL_NAME): Define.
19898 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19899 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19900 * config/i386/i386.c (override_options): Revise for Darwin.
19901 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19902 support. (darwin_x86_file_end): New. (output_set_got): Add label
19903 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19904 * config/i386/i386-protos.h (output_set_got): Likewise.
19905 * config/darwin.c (machopic_legitimize_pic_address): Update
19908 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19910 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19911 when MODE isn't BLKmode.
19913 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19915 PR rtl-optimization/25367
19916 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19918 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19921 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19922 for a negative bound.
19924 2006-01-10 Richard Guenther <rguenther@suse.de>
19926 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19927 Never override with anything constraint.
19929 2006-01-10 Jan Beulich <jbeulich@novell.com>
19931 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19932 256 bits when optimize_size.
19934 2006-01-10 Jan Beulich <jbeulich@novell.com>
19936 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19938 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19939 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19942 2006-01-10 Ben Elliston <bje@au.ibm.com>
19944 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19946 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19947 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19948 (USE_FP_FOR_ARG): Reject decimal float modes.
19949 (function_arg_advance): Likewise.
19950 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19951 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19952 point types in AltiVec vectors.
19953 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19954 (rs6000_libcall_value): Likewise.
19956 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19958 * config/xtensa/ieee754-df.S: New file.
19959 * config/xtensa/ieee754-sf.S: New file.
19960 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19961 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19962 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19964 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19966 * config/sh/predicates.md (binary_float_operator,
19967 binary_logical_operator, commutative_float_operator,
19968 equality_comparison_operator, greater_comparison_operator,
19969 less_comparison_operator, logical_operator,
19970 noncommutative_float_operator, shift_operator,
19971 symbol_ref_operand, unary_float_operator): Remove redundant
19974 2006-01-09 Jeff Law <law@redhat.com>
19976 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19977 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19978 now unused arguments. Callers updated.
19979 (eliminate_redundant_computations): Remove now unused arguments,
19981 (local_fold): Remove, no longer used.
19982 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19984 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19985 (simplify_cond): New function.
19986 (forward_propagate_into_cond): Call simplify_cond.
19988 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19990 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19991 (*vec_extractv2di_1_sse): New.
19993 2006-01-09 Ben Elliston <bje@au.ibm.com>
19995 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19997 2006-01-08 Richard Guenther <rguenther@suse.de>
19999 * tree-ssa-structalias.c (get_constraint_for): Remove
20000 anyoffset argument.
20001 (get_constraint_for_component_ref): Likewise.
20002 (do_deref): Likewise.
20003 (get_constraint_for): Likewise.
20004 (do_structure_copy): Likewise.
20005 (handle_ptr_arith): Likewise.
20006 (find_func_aliases): Likewise. Remove unused need_anyoffset
20009 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
20010 Kaz Kojima <kkojima@gcc.gnu.org>
20012 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
20013 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
20014 (EXTRA_CONSTRAINT_C16): Remove.
20015 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
20016 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
20017 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
20018 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
20019 constants of SHmedia. Handle nested constant expressions of
20021 (andcosts): Fix the costs for SHmedia constants.
20022 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
20023 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
20024 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
20025 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
20026 (movv4hi_i, movv2si_i): Likewise.
20027 (movsi_const): Adjust the second operand of ior so to match with
20028 the Csu constraint.
20029 (movdi_const, movdi_const_32bit): Likewise.
20030 (movdi_const_16bit+1): Don't sign-extend LOW.
20031 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
20033 (*double_shori): Fix the split condition. Use GEN_INT instead
20034 of get_int_mode calls. Mask lower 16-bit of the argument of
20036 (sym2GOTPLT): Remove.
20037 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
20039 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
20040 instead of EXTRA_CONSTRAINT_C16.
20042 2006-01-07 Ian Lance Taylor <ian@airs.com>
20043 David Edelsohn <edelsohn@gnu.org>
20045 PR rtl-optimization/25662
20046 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
20047 for constant operands instead of simplify_gen_binary.
20048 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
20049 after trying simplify_binary_operation
20051 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
20053 * tree.c (iterative_hash_expr): Hash decls based on UID.
20055 2006-01-06 Eric Christopher <echristo@apple.com>
20057 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
20058 (TARGET_UNWIND_EMIT): Fix spelling.
20059 * target.h (gcc_target): Add except_table_label.
20060 * except.c (output_function_exception_table): Use.
20061 * varasm.c (default_emit_except_table_label): New.
20062 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
20064 (asm_out): Add here.
20065 * output.h (default_emit_except_table_label): Prototype.
20066 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
20067 * config/darwin.c (darwin_emit_except_table_label): Define.
20068 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
20070 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
20072 PR tree-optimization/18527
20073 * tree-ssa-loop-niter.c (number_of_iterations_cond,
20074 number_of_iterations_special, number_of_iterations_exit):
20075 Move base and step of an iv to a single structure. Add
20076 no_overflow flag, and use it in # of iterations analysis.
20077 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
20078 folded_casts argument.
20079 (simple_iv): Pass base and step in a structure. Set no_overflow
20081 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
20082 Evaluate expensiveness of computing # of iterations instead of
20083 the final expression.
20084 * tree-scalar-evolution.h (affine_iv): New structure.
20085 (simple_iv): Declaration changed.
20086 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
20087 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
20088 find_givs_in_stmt): Changed due to simple_iv change.
20090 2006-01-06 Jeff Law <law@redhat.com>
20093 * tree-cfg.c (bsi_replace): Rename final argument from
20094 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
20095 change (stmt -> orig_stmt).
20096 * tree-eh.c (verify_eh_throw_stmt_node): New function.
20097 (bsi_remove): Add new argument. Remove EH information
20099 (verify_eh_throw_table_statements): New function.
20100 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
20102 * tree-optimize.c (execute_free_cfg_annotations): Verify
20103 the EH throw statement table after removing annotations.
20104 * except.h (verify_eh_throw_table_statements): Prototype.
20105 * tree-flow.h (bsi_remove): Update prototype.
20106 * tree-vrp.c (remove_range_assertions): Add new argument to
20108 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
20109 * tree-complex.c (expand_complex_div_wide): Likewise.
20110 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
20111 * tree-tailcall.c (eliminate_tailcall): Likewise.
20112 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
20113 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
20114 * tree-nrv.c (tree_nrv): Likewise.
20115 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
20116 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
20117 (combine_blocks): Likewise.
20118 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
20119 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
20120 (cleanup_control_flow): Likewise.
20121 (remove_forwarder_block): Likewise.
20122 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
20123 * tree-sra.c (sra_replace): Likewise.
20124 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
20125 (forward_propagate_single_use_vars): Likewise.
20126 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
20127 * tree-inline.c (expand_call_inline): Likewise.
20128 * tree-vect-transform.c (vect_transform_loop): Likewise.
20129 * tree-outof-ssa.c (rewrite_trees): Likewise.
20130 * tree-cfg.c (make_goto_expr_edges): Likewise.
20131 (cleanup_dead_labels): Likewise.
20132 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
20133 (bsi_move_before, bsi_move_after): Likewise.
20134 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
20135 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
20137 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
20140 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
20142 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
20143 on non gimple variables. Also add checks at the top for decls and
20145 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
20147 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
20148 and IMAGPART_EXPR for creating MUST_DEFs.
20149 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
20150 and NAME_MEMORY_TAG separately from the DECLs.
20152 2006-01-06 Richard Guenther <rguenther@suse.de>
20154 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
20155 annotation, if necessary.
20156 * tree-ssa-pre.c (create_expression_by_pieces): Remove
20157 redundant calls to update_stmt.
20158 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
20161 2006-01-05 Richard Henderson <rth@redhat.com>
20163 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
20165 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20167 * c-typeck.c: Update copyright date.
20169 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20171 * c-typeck.c (build_c_cast): Always warn when casting
20172 from a pointer to an integer of different size, even if
20173 the node was constant.
20175 2006-01-05 Richard Guenther <rguenther@suse.de>
20177 PR tree-optimization/22555
20178 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
20179 if one structure field is an array.
20180 * tree-ssa-operands.c (get_expr_operands): Continue scanning
20181 operands even if we found a subvar, but ignore VOPs in this
20183 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
20185 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
20187 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
20189 PR middle-end/24998
20190 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
20192 2006-01-05 Richard Guenther <rguenther@suse.de>
20193 Diego Novillo <dnovillo@redhat.com>
20195 * tree-pass.h (TODO_remove_unused_locals): Define.
20196 * gimple-low.c (expand_var_p, remove_useless_vars,
20197 pass_remove_useless_vars): Remove. Update all users.
20198 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20199 (remove_unused_locals): New function.
20200 * tree-flow.h (remove_unused_locals): Declare.
20201 * passes.c (execute_todo): Call remove_unused_locals if
20202 TODO_remove_unused_locals is set.
20203 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20204 * tree-ssa-dce.c (pass_dce): Likewise.
20205 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20207 2006-01-05 Richard Guenther <rguenther@suse.de>
20209 * tree-flow.h (struct fieldoff): Decompose field to
20210 type, size and decl.
20211 * tree-ssa-alias.c (create_sft): Take type as parameter.
20212 (create_overlap_variables_for): Store type, size and decl
20213 in the fieldoff structure.
20214 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20215 of struct fieldoff.
20216 (push_fields_onto_fieldstack): Likewise.
20217 (create_variable_info_for): Likewise. Use offset for the
20218 SFT name if the decl is not available.
20220 2006-01-04 Paul Brook <paul@codesourcery.com>
20222 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20224 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20226 * lambda-code.c (can_put_in_inner_loop): Relax
20228 (can_put_after_inner_loop): New function.
20229 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20230 (perfect_nestify): Change to make copies and modify uses.
20232 2006-01-04 Richard Henderson <rth@redhat.com>
20234 Merge from gomp branch:
20235 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20236 via integer constant.
20237 (pragma_lex): Remove.
20238 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20239 rather than parsing it.
20240 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20241 handle_pragma_extern_prefix): Add %< %> quotes.
20242 (registered_pragmas): New.
20243 (c_register_pragma_1): New.
20244 (c_register_pragma): Use it.
20245 (c_register_pragma_with_expansion): Likewise.
20246 (c_invoke_pragma_handler): New.
20247 (init_pragma): Use cpp_register_deferred_pragma directly for
20249 * c-pragma.h (enum pragma_kind): New.
20250 (pragma_handler): New.
20251 (c_invoke_pragma_handler): Declare.
20252 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20254 * c-common.h (c_common_pch_pragma): Update decl.
20255 * Makefile.in (c-parser.o): Update dependencies.
20256 (GTFILES): Add c-pragma.h.
20257 * c-parser.c (struct c_token): Add pragma_kind.
20258 (struct c_parser): Add in_pragma.
20259 (c_lex_one_token): Always initialize keyword and pragma_kind.
20260 Extract data for CPP_PRAGMA.
20261 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20262 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20263 Don't allow CPP_PRAGMA_EOL if in_pragma.
20264 (c_parser_consume_pragma): New.
20265 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20266 (c_parser_skip_to_end_of_parameter): Likewise.
20267 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20268 (c_parser_skip_to_pragma_eol): New.
20269 (c_parser_external_declaration): Handle CPP_PRAGMA.
20270 (c_parser_compound_statement_nostart): Likewise.
20271 (c_parser_statement_after_labels): Likewise.
20272 (c_parser_pragma): New.
20273 (pragma_lex): Likewise.
20274 (c_parser_pragma_pch_preprocess): New.
20275 (c_parser_new): Merge into ...
20276 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20278 2006-01-04 Jeff Law <law@redhat.com>
20281 * tree-cfg.c (bsi_replace): Remove the original statement
20282 from the EH throw statement table.
20284 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20286 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20287 make the prototype extern "C" and add throw ().
20290 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20291 and pos non-negative and pos + len <= 32.
20292 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20293 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20294 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20297 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20298 as well as sizes not multiple of component size.
20301 * function.c (instantiate_expr): New function.
20302 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20303 walk its DECL_VALUE_EXPR with instantiate_expr.
20305 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20306 DW_OP_deref{,_size} if address isn't going to be added.
20308 2006-01-04 Ben Elliston <bje@au.ibm.com>
20310 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20311 * config/fp-bit.c: Likewise.
20313 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20315 * dominance.c: Add comment about why we use DFS numbering
20318 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20319 Richard Henderson <rth@redhat.com>
20321 Merge from gomp-branch:
20322 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20323 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20325 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20327 PR rtl-optimization/25578
20328 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20329 pass a parameter to simplify_shift_const if changing ASHIFTRT
20332 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20334 * builtins.c (get_builtin_sync_mem): New function.
20335 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20336 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20337 Call get_builtin_sync_mem to generate mem rtx.
20339 2006-01-03 Richard Guenther <rguenther@suse.de>
20342 * stmt.c (add_case_node): Make sure to clear overflow flags
20345 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20347 Merge from gomp-branch.
20348 * config/sparc/sync.md: New file.
20349 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20350 UNSPECV_LDSTUB): New constants.
20351 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20352 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20353 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20356 2006-01-03 Roger Sayle <roger@eyesopen.com>
20358 * combine.c (reg_subword_p): New predicate to test whether the
20359 destination of a set refers to a subword/piece of a register.
20360 (try_combine): Generalize the code to merge the setting of a
20361 pseudo to a constant followed by a set of a subword of that
20362 register to a constant.
20364 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20366 * basic-block.h (control_flow_graph): Change the type of
20367 x_label_to_block_map to VEC(basic_block,gc) *.
20368 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20369 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20371 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20372 VEC(basic_block,heap) *.
20373 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20374 ssa_prop_fini): Adjust the uses of cfg_blocks.
20376 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20378 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20380 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20381 hashing trees instead of a pointer hash.
20382 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20383 compare for MEM_EXPR.
20385 PR rtl-optimization/25130
20386 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20387 when comparing MEMs for GCSE
20389 2006-01-03 Ben Elliston <bje@au.ibm.com>
20391 * targhooks.h (default_decimal_float_supported_p): Declare.
20392 * targhooks.c (default_decimal_float_supported_p): Define.
20393 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20394 `default_decimal_float_supported_p'.
20395 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20397 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20399 * combine.c (apply_distributive_law <SUBREG>): Check
20400 TRULY_NOOP_TRUNCATION.
20402 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20404 * dwarf2out.c (have_switched_text_section): Delete.
20405 (have_multiple_function_sections): New.
20406 (have_location_lists): Make 'bool'.
20407 (add_AT_loc_list): Use 'true' not '1'.
20408 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20409 (output_loc_list): Use have_multiple_function_sections.
20410 (output_ranges): Likewise.
20411 (dwarf2out_begin_function): Set have_multiple_function_sections if
20413 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20414 Check function_section rather than DECL_SECTION_NAME.
20415 (dwarf2out_finish): Use have_multiple_function_sections.
20416 Don't clear have_location_lists.
20418 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20419 Jan Hubicka <jh@suse.cz>
20421 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20422 case of conditional jump jumping to the next instruction.
20423 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20424 cases of conditional jump jumping to the next instruction.
20426 2006-01-02 Jan Hubicka <jh@suse.cz>
20428 * i386.c (*_cost): Add COSTS_N_INSNS.
20429 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20431 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20434 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20436 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20438 * config/arm/arm.c (all_fpus): Fix comment typo.
20439 * config/darwin.c: Likewise.
20440 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20441 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20442 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20444 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20446 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20447 (rs6000_split_compare_and_swapqhi): New.
20448 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20449 (sync_compare_and_swapqhi_internal): New.
20450 * config/rs6000/rs6000-protos.h: Declare.