1 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
3 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
4 TYPE_MAX_VALUE for scalar types here but...
5 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
6 is attached an error mark, and the return value of the callback
7 if it is not NULL_TREE.
9 2006-12-04 Ben Elliston <bje@au.ibm.com>
11 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
13 2006-12-03 Eric Christopher <echristo@apple.com>
16 * config/t-slibgcc-darwin: Pass -install_name.
17 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
18 libtool. Only pass through options that the linker recognizes.
19 (LINK_SPEC): Update comment. Translate options.
20 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
21 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
23 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
25 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
27 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
30 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
31 operands[1] in insn constraint. Correct type attribute to sselog1.
33 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
36 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
38 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
41 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
42 -march=native if there is no -mtune=*.
44 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
47 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
49 * doc/install.texi: Update recommended MPFR version. Remove
50 obsolete reference to cumulative patch.
52 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
55 * c-decl.c (store_parm_decls_oldstyle): Robustify.
57 2006-11-30 Jan Hubicka <jh@suse.cz>
58 Uros Bizjak <ubizjak@gmail.com>
60 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
61 32bit memcpy/memset decriptors.
62 (decide_alg): With -minline-all-stringops and sizes that are best
63 to be copied via libcall still work hard enough to pick non-libcall
66 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
68 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
70 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
71 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
72 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
73 config/sh/sh4-300.md, config/spu/spu-builtins.def,
74 config/spu/spu-c.c, config/spu/spu-modes.def,
75 config/spu/spu.c, config/spu/spu.md,
76 config/spu/spu_internals.h, config/spu/vmx2spu.h,
77 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
78 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
79 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
80 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
83 * config/i386/i386.c: Fix a comment typo.
85 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
87 * config/spu/spu.c (spu_immediate): Remove trailing comma.
88 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
89 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
91 (floatv4siv4sf2): New.
92 (fix_truncv4sfv4si2): New.
93 (floatunsv4siv4sf2): New.
94 (fixuns_truncv4sfv4si2): New.
102 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
103 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
104 spu_resolve_overloaded_builtin instead of static inline functions.
106 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
108 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
109 type instead of the size of its mode to compute the highest and
110 lowest possible values. Still check the size of the mode before
111 flipping the signedness of the comparison.
113 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
115 * config/spu/predicates.md (spu_mov_operand): Add.
116 * config/spu/spu.c (spu_expand_extv): Remove unused code.
117 (print_operand_address, print_operand): Handle addresses containing AND.
118 (spu_split_load, spu_split_store): Use updated movti pattern.
119 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
120 stores in mov patterns for correct operation of reload.
121 (lq, lq_<mode>, stq, stq_<mode>): Remove.
123 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
126 * c-common.c (check_main_parameter_types): Check for error_mark_node.
128 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
130 * common.opt (ftree-combine-temps): Remove.
131 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
132 (coalesce_ssa_name): Don't check for combine-temps.
133 (coalesce_vars): Remove.
134 (check_replaceable): Use num_imm_uses.
135 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
136 check for combine-temps.
137 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
138 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
139 to register_ssa_partition calls.
140 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
141 (init_var_map, delete_var_map): remove refernces to ref_count.
142 (create_ssa_var_map): Never calculate a ref count.
143 (type_var_init): Remove.
144 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
145 (SSA_VAR_MAP_REF_COUNT): Delete.
146 (create_ssa_var_map): Change Prototype to have no parameters.
147 (version_ref_count): Delete.
148 (register_ssa_partition): Remove 'is_use' paramater and don't set the
150 (type_var_num, type_var, type_var_first_partition,
151 type_var_next_partition, type_var_dump, type_var_delete,
152 type_var_remove_partition, type_var_find, type_var_compact,
153 type_var_decompact): Remove.
155 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
157 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
160 2006-12-01 Richard Guenther <rguenther@suse.de>
163 * dwarf2out.c (struct pubname_struct): Make name const.
164 (add_pubtype): Do not xstrdup identifiers.
166 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
168 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
169 multiword accesses are in range.
171 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
173 PR tree-optimization/29921
174 * tree-ssa-ccp.c (canonicalize_float_value): New function.
175 (set_lattice_value): Use canonicalize_float_value.
177 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
179 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
180 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
181 (spu_cpu_cpp_builtins): Remove.
182 (spu_override_options): Don't set warn_main.
183 (spu_force_reg): Move from spu-c.c.
184 (spu_check_builtin_parm): Likewise.
185 (expand_builtin_args): Likewise.
186 (spu_expand_builtin_1): Likewise.
187 (spu_expand_builtin): Likewise.
188 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
189 warn_main and targetm.resolve_overloaded_builtin.
190 * config/spu/spu-c.c (spu_builtin_range): Remove.
191 (spu_check_builtin_parm): Remove.
192 (expand_builtin_args): Remove.
193 (spu_expand_builtin_1): Remove.
194 (spu_expand_builtin): Remove.
195 (spu_cpu_cpp_builtins): Moved from spu.c
196 (spu_force_reg): Remove.
198 2006-12-01 Joseph Myers <joseph@codesourcery.com>
199 David Edelsohn <edelsohn@gnu.org>
202 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
203 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
204 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
205 HARD_REGNO_NREGS_WITH_PADDING): Define.
206 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
207 HARD_REGNO_NREGS_WITH_PADDING): Define.
208 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
209 Use new macros to detect modes with holes; do not look at integer
211 (subreg_offset_representable_p): Check for and disallow cases
212 where the modes use different numbers of bits from registers.
213 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
214 constant for soft-float.
215 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
217 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
219 * config/rs6000/rs6000.md (movtf): Allow soft-float.
220 (movtf_softfloat): New.
222 2006-11-30 Richard Sandiford <richard@codesourcery.com>
224 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
227 2006-11-30 Andrew Macleod <amacleod@redhat.com>
229 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
230 (COALESCE_HASH_FN): New. Define hash function.
231 (partition_pair_map_hash): New. Hash value for a partition pair.
232 (partition_pair_map_eq): New. Equality for hash pairs.
233 (create_coalesce_list): Create hash table.
234 (delete_coalesce_list): Free hash table.
235 (find_partition_pair): Find/create pairs in hash table.
236 (compare_pairs): Sort pairs in ascending order now.
237 (num_coalesce_pairs): New. Number of pairs in hash table.
238 (struct partition_pair_iterator): Iterator struct for pair table.
239 (first_partition_pair): Iterator function for first pair.
240 (end_partition_pair_p): Iterator function for end of iteration.
241 (next_partition_pair): Iterator function for next pair.
242 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
243 (sort_coalesce_list): Sort pairs from hash table into an array.
244 (pop_best_coalesce): Take pairs from the array.
245 (dump_coalesce_list): Update to use hash table or sorted array.
246 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
247 (struct coalesce_list_d): Add hash table related fields.
249 2006-11-30 Jan Hubicka <jh@suse.cz>
252 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
253 memmove/bcopy->memcpy conversion.
255 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
257 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
258 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
259 Default is the largest alignment supported for 32-bit ELF and
260 representable on a 32-bit host.
262 2006-11-30 Janis Johnson <janis187@us.ibm.com>
264 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
266 2006-11-30 Jan Hubicka <jh@suse.cz>
268 * tree-ssa-operands.h (struct ssa_operands): New.
269 * tree-flow-inline.h (gimple_ssa_operands): New function.
270 * tree-flow.h: (struct gimple_df): Add ssa_operands.
271 * Makefile.in: Remove gt-tree-ssa-operands.h
272 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
273 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
274 operand_memory, operand_memory_index, ops_active): Remove statics.
275 (ALLOC_OPTYPE): Update.
276 (operand_build_sort_virtual): Update.
277 (ssa_operands_active): Update.
278 (init_ssa_operands): Update.
279 (fini_ssa_operands): Update.
280 (ssa_operand_alloc): Update.
281 (INITIALIZE_USE): Update.
282 (finalize_ssa_use_ops): Update.
283 (finalize_ssa_v_may_def_ops): Update.
284 (finalize_ssa_vuse_ops): Update.
285 (finalize_ssa_v_must_def_ops): Update.
287 2006-11-30 Richard Guenther <rguenther@suse.de>
289 * tree-vectorizer.h (vectorizable_function): Export.
290 * tree-vect-transform.c (vectorizable_function): Likewise.
291 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
292 type_in to scalar type in recognition of squaring.
293 Make sure the target can vectorize sqrt in recognition
294 of sqrt, set type_in to vector type in this case.
296 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
298 * config/i386/i386.md (R10_REG): New constant.
299 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
300 (ix86_emit_restore_regs_using_mov): Ditto.
301 (ix86_expand_call): Ditto.
302 (x86_output_mi_thunk): Ditto. Also use R10_REG.
304 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
306 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
307 * alias.c (canon_true_dependence): Update comment.
309 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
311 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
312 at the end of a diagnostics message.
314 * alloc-pool.c (pool_free): Postpone clearing the pool entry
315 until after asserting that it was allocated in the right pool.
317 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
318 successor edge information as well. Make output of live regs
319 on exit consistent with live regs on entry.
321 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
324 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
325 insn patterns for TARGET_80387.
326 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
327 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
328 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
329 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
330 Generate truncxf<mode>2 insn patterns for strict SSE math.
332 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
334 * config/i386/i386.md (movsf_1): Enable pattern for standard
335 80387 constants before reload when optimizing for size.
336 (*movdf_nointeger, *movdf_integer): Ditto.
337 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
338 80387 constants before reload when not optimizing for size.
340 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
341 extension of XFmode input operands.
343 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
345 * config/spu/crt0.c (__dso_handle): Define.
347 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
349 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
350 when clearing the used flags.
352 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
354 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
356 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
359 * config/spu/spu.md (extend_compare<mode>): New pattern.
360 (extend_compare): Change to expand and use the above pattern.
362 2006-11-29 Janis Johnson <janis187@us.ibm.com>
364 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
366 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
367 (DFP_INIT_ROUNDMODE): Define.
368 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
369 * mklibgcc.in: Fix dependencies for dfp-bit.c.
371 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
373 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
374 Update documentation.
375 (associate_line_notes_with_blocks): Kill.
376 (extend_bb): Remove basic block argument, put void instead.
377 Remove line number handling for each bb.
378 (save_line_notes): Kill.
379 (restore_line_notes): Kill.
380 (sched_init): Remove line_note_head initialization.
381 Change extend_bb call.
382 (sched_finish): Remove free of line_note_head.
383 (add_block): Change extend_bb call.
384 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
385 rm_line_notes and restore_line_notes calls.
386 (schedule_ebbs): Remove rm_redundant_line_notes.
387 * sched-int.h (struct haifa_insn_data): Remove line_note.
388 (save_line_notes): Remove declaration.
389 (restore_line_notes): Remove declaration.
390 * modulo-sched.c (loop_canon_p): Update debug info printing
391 by using insn locators instead of line note.
392 (sms_schedule): Update debug info printing, by using insn
393 locators instead of line note.
394 * sched-rgn.c (debug_dependencies): Remove handling of case
395 n>0 (line number), since it's a dead code.
396 (schedule_region): Remove save_line_notes and
397 restore_line_notes calls.
399 2006-11-29 Joseph Myers <joseph@codesourcery.com>
401 * config/rs6000/predicates.md (gpc_reg_operand): Check
403 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
404 SImode subregs of SPE vectors.
405 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
406 * jump.c (true_regnum): Require subregs to satisfy
407 subreg_offset_representable_p.
409 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
410 Steven Bosscher <stevenb.gcc@gmail.com>
412 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
413 since it no longer exists.
415 2006-11-29 Duncan Sands <baldrick@free.fr>
417 PR tree-optimization/23744
418 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
420 2006-11-29 Duncan Sands <baldrick@free.fr>
422 PR tree-optimization/23744
423 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
425 2006-11-29 Duncan Sands <baldrick@free.fr>
427 PR tree-optimization/23744
428 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
430 2006-11-29 Jie Zhang <jie.zhang@analog.com>
432 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
434 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
436 * sh.opt (minline-ic_invalidate): New option.
437 (musermode): Adjust comment.
438 * sh.c (sh_initialize_trampoline): Emit library call unless
439 is set; if it is set, don't emit library call if we can use icbi
441 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
442 icbi for TARGET_SH4_300.
443 * t-sh (LIB1ASMFUNCS_CACHE): Set.
444 * doc/invoke.texi: Document -minline-ic_invalidate; Update
445 -musermode documentation.
447 2006-11-29 Jim Tison <jtison@us.ibm.com>
449 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
450 __gthread_recursive_mutex_init): Define.
452 2006-11-29 Joseph Myers <joseph@codesourcery.com>
454 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
455 STRICT_ALIGNMENT and the type is more aligned than the saved
456 registers, copy via a temporary.
458 2006-11-28 Andrew Pinski <pinskia@gmail.com>
461 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
464 2006-11-28 Bob Wilson <bob.wilson@acm.org>
466 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
468 2006-11-28 Jan Hubicka <jh@suse.cz>
470 Privatize SSA variables into gimple_df.
472 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
473 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
474 gimple_nonlocal_all): New accessors.
475 (first_referenced_var): Update.
476 (mark_stmt_modified): Update.
477 (is_call_clobbered): Update.
478 (mark_call_clobbered): Update.
479 (clear_call_clobbered): Update.
480 (mark_non_addressable): Update.
481 * tree-vrp.c (get_value_range): Update.
482 * tree-into-ssa.c (in_ssa_p): Kill.
483 (get_default_def_for): Update.
484 (rewrite_into_ssa): Update.
485 * tree-complex.c (init_parameter_lattice_values): Update.
486 (update_complex_assignment): Update.
487 (update_parameter_components): Update.
488 (expand_complex_libcall): Update.
489 (expand_complex_operations_1): Update.
490 * tree-tailcall.c (arg_needs_copy_p): Update.
491 (add_virtual_phis): Update.
492 (tree_optimize_tail_calls_1): Update.
493 * tree-ssa-dse.c (memory_ssa_name_same): Update.
494 * tree-ssa-copyrename.c
495 (copy_rename_partition_coalesce): Update.
496 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
497 * tree-ssa-propagate.c (set_rhs): Update.
498 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
499 addressable_vars, global_var):Kill.
500 (set_initial_properties): Update.
501 (init_alias_info): Update.
502 (finalize_ref_all_pointers): Update.
503 (setup_pointers_and_addressables): Update.
504 (maybe_create_global_var): Update.
505 (create_global_var): Update.
506 (dump_points_to_info): Update.
507 * function.h (struct gimple_df): Forward declare.
508 (struct function): Add GIMPLE_DF field.
509 * gimplify.c (force_gimple_operand): Update.
510 * tree-dfa.c (referenced_vars, default_defs): KIll.
511 (make_rename_temp): Update.
512 (dump_variable): Update.
513 (referenced_var_lookup): Update.
514 (referenced_var_check_and_insert): Update.
515 (default_def): Rename to ...
516 (gimple_default_def): ... this one; accept cfun argument.
517 (set_default_def): Update.
518 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
519 (cleanup_control_flow): Update.
520 * tree-ssa-pre.c (compute_avail): Update
521 * tree-ssa-live.c (calculate_live_on_entry): Update.
522 * tree-ssa.c (verify_use): Update.
523 (verify_call_clobbering): Update.
524 (verify_call_clobbering): Update.
525 (init_tree_ssa): Update.
526 (delete_tree_ssa): Update.
527 * tree-outof-ssa.c (coalesce_ssa_name): Update.
528 (rewrite_out_of_ssa): Update.
529 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
530 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
532 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
533 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
534 addressable_vars, aliases_computed_p): Kill.
535 (default_def): Rename to...
536 (gimple_default_def): ... this one.
537 (defaule_def_fn): Kill.
538 (num_referenced_vars, ssa_names, num_ssa_names): Update.
539 * tree-ssa-structalias.c (nonlocal_all): Kill.
540 (get_constraint_exp_from_ssa_var): Update.
541 (create_nonlocal_var): Update.
542 (get_constraint_for): Update.
543 (update_alias_info): Update.
544 (find_global_initializers): Update.
545 (intra_create_variable_infos): Update.
546 (intra_create_variable_infos):
547 (find_what_p_points_to): Update.
548 (init_alias_heapvars): Update.
549 * tree-cfg.c (remove_bb): Update.
550 (gimplify_val): Update.
551 * tree-ssa-reassoc.c (get_rank): Update.
552 (init_reassoc): Update.
553 * tree-ssanames.c: Do not include gt-tree-ssanames.h
554 (ssa_names, free_ssanames): Kill.
555 (init_ssanames): Update.
556 (make_ssa_name): Update.
557 (release_ssa_name): Update.
558 (release_defs): Update.
559 (replace_ssa_name_symbol): Update.
560 * tree-ssa-operands.c (access_can_touch_variable): Update.
561 (add_virtual_operand): Update.
562 (add_call_clobber_ops): Update.
563 (add_call_read_ops): Update.
564 (get_call_expr_operands): Update.
565 (get_asm_expr_operands): Update.
567 2006-11-28 Jan Hubicka <jh@suse.cz>
569 * builtins.c: Include tree-flow.h.
570 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
571 assignment; convert memmove to memcpy for sizes greater than 1 where
572 alignment of operands prohibit the partial overlap.
574 2006-11-28 Jan Hubicka <jh@suse.cz>
576 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
577 * cgraph.c (dump_cgraph_node): Dump stack usage.
578 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
579 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
580 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
581 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
582 (cgraph_check_inline_limits): Limit stack growth.
583 * cfgexpand.c: Include tree-inline.h.
584 (account_stack_vars): New function.
585 (expand_one_var): New param to just account the stack; return estimated
587 (expand_used_vars_for_block): Update call of expand_one_var.
588 (account_used_vars_for_block): New function.
589 (estimated_stack_frame_size): Likewise.
590 (init_vars_expansion, fini_vars_expansion): Break out from..
591 (expand_used_vars): ... here.
592 * tree-inline.h (estimated_stack_frame_size): Declare.
593 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
595 2006-11-28 Richard Guenther <rguenther@suse.de>
597 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
598 unsigned long for printing OBJECT_SIZE.
600 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
602 * alias.c (init_alias_analysis): Remove simplification loop
603 after propagating pointers.
605 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
607 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
610 2006-11-27 Bob Wilson <bob.wilson@acm.org>
612 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
614 2006-11-27 Roger Sayle <roger@eyesopen.com>
615 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
617 * c-common.c (constant_fits_type_p): Delete.
618 (unsigned_conversion_warning): Delete.
619 (conversion_warning): Integrate Wconversion warning from
620 unsigned_conversion_warning.
621 (convert_and_check): Integrate Woverflow warning from
622 unsigned_conversion_warning. Reorganize and simplify to avoid
623 dependence upon the middle-end setting TREE_OVERFLOW on integral
624 conversions, by using int_fits_type_p directly.
626 2006-11-27 Tobias Burnus <burnus@net-b.de>
628 * doc/invoke.texi: Fixed typo.
630 2006-11-27 Michael Matz <matz@suse.de>
631 Andreas Krebbel <krebbel1@de.ibm.com>
634 * config/s390/predicates.md (larl_operand): Check addend of larl
635 operand to be in range of -/+2GB.
636 * config/s390/s390.c (legitimize_pic_address): Likewise.
637 Changed type of variable even to HOST_WIDE_INT.
639 2006-11-27 Jan Hubicka <jh@suse.cz>
641 * expr.c (emit_block_move_via_libcall): Export.
642 (clear_storage_via_libcall): Rename to ...
643 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
644 (clear_storage): Update to set_storage_via_libcall.
645 * expr.h (emit_block_move_via_libcall): Declare
646 * config/i386/i386.h (stringop_alg): New enum.
647 (MAX_STRINGOP_ALGS): New constant.
648 (stringop_algs): New struct.
649 (processor_costs): Add memcpy/memset descriptors.
650 (TARGET_REP_MOVEL_OPTIMAL): Remove.
651 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
652 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
654 * config/i386/i386.opt (minline-stringops-dynamically,
655 mstringop-strategy): New
657 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
658 (ix86_expand-clrmem): Rename to ...
659 (ix86_expand_setmem): ... this one; update prototype.
660 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
661 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
662 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
663 nocona_cost, core2_cost, generic_cost, generic64_cost,
664 generic32_cost): Add memcpy/memset descriptors.
665 (x86_rep_movl_optimal): Remove.
666 (stringop_alg): New static variable.
667 (ix86_expand_aligntest): Handle predictions.
668 (override_options): Add strgop_alg handling.
669 (predict_jump): New function.
670 (scale_counter): New function.
671 (expand_set_or_movmem_via_loop): New function.
672 (expand_movmem_via_rep_mov): New function.
673 (expand_setmem_via_rep_stots): New function.
674 (emit_strmov): New function.
675 (expand_movmem_epilogue): New function.
676 (expand_setmem_epilogue_via_loop): New function.
677 (expand_setmem_epilogue): New function.
678 (expand_movmem_prologue): New function.
679 (expand_setmem_prologue): New function.
680 (decide_alg): New function.
681 (decide_alignment): New function.
682 (ix86_exand_movmem): Rewrite.
683 (promote_duplicated_reg): New function.
684 (ix86_expand_clrmem): Rename to ...
685 (ix86_expand_setmem): ... this one. Rewrite.
687 * invoke.texi (minline-stringops-dynamically): New command line option.
688 (mstringop-strategy): Likewise.
690 2006-11-27 Jan Hubicka <jh@suse.cz>
692 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
693 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
694 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
695 * insn-notes.def (FUNCTION_END): Remove.
696 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
697 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
699 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
700 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
701 * cfglayout.c (duplicate_insn_chain): Don't worry about
704 2006-11-27 Richard Guenther <rguenther@suse.de>
705 Zdenek Dvorak <dvorakz@suse.cz>
707 * target.h (struct gcc_target): Add builtin_vectorized_function
709 * target-def.h (TARGET_VECTORIZE): Likewise.
710 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
711 Document new target hook.
712 * targhooks.h (default_builtin_vectorized_function): Declare.
713 * targhooks.c (default_builtin_vectorized_function): Define.
714 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
715 (vectorizable_call): Declare.
716 * tree-vect-analyze.c (vect_analyze_operations): Call
718 * tree-vect-transform.c (vectorizable_function): New static function.
719 (build_vectorized_function_call): Likewise.
720 (vectorizable_call): New function.
721 (vect_transform_stmt): Handle vectorizable calls.
723 2006-11-27 Richard Guenther <rguenther@suse.de>
726 * builtins.c (expand_builtin_pow): Optimize non integer valued
727 constant exponents using sqrt or cbrt if possible. Always fall back
728 to expanding via optabs.
730 2006-11-27 Ira Rosen <irar@il.ibm.com>
732 PR tree-optimization/22372
733 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
734 the type of the base address.
735 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
736 it in the data-ref pointer creation.
737 (vect_init_vector): Add an argument, type of the init vector. Use it in
739 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
740 (get_initial_def_for_reduction): Likewise.
741 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
743 (vectorizable_assignment, vect_permute_store_chain): Likewise.
744 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
745 correct type in stmt creation.
746 (vect_setup_realignment): Use the correct type in stmt creation.
747 (vect_permute_load_chain): Change type of MODIFY_EXPR to
749 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
750 of MODIFY_EXPR to void_type_node.
751 (vectorizable_condition): Change type of MODIFY_EXPR to
753 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
756 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
759 2006-05-08 Uros Bizjak <uros@kss-loka.si>
760 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
761 standard 80387 constants, raise the cost to prevent
762 compress_float_constant() to generate load from memory.
764 * config/i386/i386.md: Add new splitter pattern to split
765 float_extended load of constant from constant pool into
768 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
770 * doc/install.texi: Move GMP/MPFR configure options from Fortran
771 section to general section. Remove documentation for
772 --with-mpfr-dir and --with-gmp-dir, add documentation for
773 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
776 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
778 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
780 * testsuite/gcc.dg/ipa/ipa-6.c: New.
782 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
784 PR tree-optimization/29122
785 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
786 for the new version. Assign NULL to DECL_RTL of the new version.
788 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
790 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
792 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
794 * cse.c (cse_altered): Remove.
795 (record_jump_equiv): Make true/false argument a bool instead
797 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
798 where appropriate. Emit a new jump before the existing one
799 instead of after so that delete_insn_and_edges removes the
800 dead edges properly. Check any_condjump_p before calling
802 (cse_basic_block): Check any_condjump_p before calling
804 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
806 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
808 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
809 -ffixed-line-length-* options.
811 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
813 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
814 (fprem1xf4): Rename to fprem1xf4_i387.
816 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
817 Rename patterns to fmod<mode>3. Use general_operand operand
818 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
819 patterns for SSE math.
820 (remaindersf3, remainderdf3): Ditto.
822 2006-11-25 Joseph Myers <joseph@codesourcery.com>
824 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
825 inside start_sequence / end_sequence pair.
827 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
829 * jump.c (mark_all_labels): Work in cfglayout mode.
830 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
831 when in cfglayout mode, because there are no dead jumptables
833 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
835 (commit_edge_insertions): Do not allow insertion of instructions
836 with control flow insns when in cfglayout mode.
838 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
840 * tree-vrp.c (execute_vrp): Do not pass loops structure through
842 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
843 unswitch_loop): Ditto.
844 * tree-loop-linear.c (linear_transform_loops): Ditto.
845 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
846 tree_ssa_lim): Ditto.
847 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
848 free_numbers_of_iterations_estimates): Ditto.
849 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
850 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
851 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
852 remove_path, add_loop, loopify, unloop, fix_loop_placements,
853 place_new_loop, duplicate_loop, duplicate_subloops,
854 update_single_exit_for_duplicated_loops, copy_loops_to,
855 duplicate_loop_to_header_edge, create_preheaders,
856 force_single_succ_latches, loop_version, fix_loop_structure):
858 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
859 tree_unroll_loop): Ditto.
860 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
861 * tree-scalar-evolution.c (select_loops_exit_conditions,
862 scev_initialize, scev_analysis): Ditto.
863 * tree-scalar-evolution.h (scev_initialize): Ditto.
864 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
865 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
866 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
867 * modulo-sched.c (sms_schedule): Ditto.
868 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
869 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
870 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
871 * ifcvt.c (if_convert): Ditto.
872 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
873 canonicalize_loop_induction_variables,
874 canonicalize_induction_variables,
875 tree_unroll_loops_completely, remove_empty_loops): Ditto.
876 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
877 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
878 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
879 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
880 tree_ssa_loop_done): Ditto.
881 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
882 estimate_bb_frequencies): Ditto.
883 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
884 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
885 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
886 decide_unrolling_and_peeling, peel_loop_completely,
887 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
888 peel_loop_simple, unroll_loop_stupid): Ditto.
889 * loop-doloop.c (doloop_optimize_loops): Ditto.
890 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
891 * loop-invariant.c (move_loop_invariants): Ditto.
892 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
893 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
894 tree_ssa_prefetch_arrays): Ditto.
895 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
897 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
898 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
899 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
900 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
901 verify_loop_structure): Ditto.
902 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
903 canonicalize_induction_variables, tree_unroll_loops_completely,
904 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
905 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
906 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
907 tree_unroll_loop, linear_transform_loops): Declaration changed.
908 * basic-block.h: Remove declaration of struct loops.
909 * cfghooks.h (struct cfg_hooks): Change type of
910 cfg_hook_duplicate_loop_to_header_edge.
911 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
912 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
913 vect_transform_loop): Declaration changed.
914 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
915 * cfgloop.h (flow_loops_dump, fix_loop_structure,
916 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
917 cancel_loop_tree, create_preheaders, force_single_succ_latches,
918 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
919 loopify, loop_version, remove_path, unswitch_loops,
920 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
923 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
925 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
926 (X87MODEF): New mode macro.
927 (ssemodefsuffix): New mode attribute.
928 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
929 (sqrt_extend<mode>xf2_i387): New insn pattern.
930 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
931 insn and truncate result back to original mode using
932 UNSPEC_TRUNC_NOOP truncation.
933 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
934 ssemodefsuffix mode attribute.
935 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
936 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
937 (*sqrtextenddfxf2_i387): Remove insn patterns.
939 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
942 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
944 2006-11-24 Jakub Jelinek <jakub@redhat.com>
947 * c-tree.h (c_maybe_initialize_eh): New prototype.
948 * c-decl.c (finish_decl): Move EH initialization...
949 (c_maybe_initialize_eh): ... here. New function.
950 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
951 if not #pragma omp atomic.
954 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
955 or UNION_TYPE inner types.
957 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
960 * ipa-pure-const.c (check_tree): If the original tree
961 is volatile return early and say the function is not pure
962 nor const. Remove the volatile check for writes.
963 (analyze_function): Print out the result of the local
966 2006-11-24 Joseph Myers <joseph@codesourcery.com>
968 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
970 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
971 * config/rs6000/rs6000.c (rs6000_override_options): Use
972 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
975 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
977 * config/s390.c (s390_emit_compare_and_swap): New function.
978 (s390_expand_cs_hqi, s390_expand_atomic): Call
979 s390_emit_compare_and_swap.
981 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
983 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
985 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
989 * c-common.c (conversion_warning): New.
990 (convert_and_check): Call conversion_warning unless there is an
992 * doc/invoke.texi (-Wconversion): Update description.
994 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
996 * tree-ssa-alias.c (tree_pointer_compare): New function.
997 (compact_name_tags): New function.
998 (group_aliases): Call compact_name_tags.
1000 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1002 * real.h (real_isinteger): Declare.
1003 * real.c (real_isinteger): Define.
1004 * builtins.c (integer_valued_real_p): Use it.
1006 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1009 * c.opt (Wtraditional-conversion): New.
1010 (Wconversion): Update description.
1011 * c-typeck.c (convert_arguments): Warnings for prototypes causing
1012 type conversions different from what would happen in the absence
1013 of prototype are now handled by Wtraditional-conversion.
1014 * doc/invoke.texi (Wtraditional-conversion): New.
1015 (Wconversion): Update description.
1016 * doc/trouble.texi (Wconversion): Replace Wconversion by
1017 Wtraditional-conversion.
1019 2006-11-23 Andrew Pinski <pinskia@gmail.com>
1021 * predict.c (tree_estimate_probability): Check to make
1022 sure current_loops is non null before calling flow_loops_dump.
1024 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1026 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
1028 2006-11-23 David Ung <davidu@mips.com>
1030 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
1032 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
1033 (ASM_SPEC): Pass along -mfp32 and -mfp64.
1034 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
1035 high part of FP register when in 64-bit FP register mode. Similarly
1036 use gen_mfhc1 to load high part of FP register.
1037 (override_options): Allow -mgp32 and -mfp64 combination if
1038 ISA_HAS_MXHC1 (currently for O32 only).
1039 (mips_cannot_change_mode_class): If floating-point registers are
1040 bigger than word size. disallow conversion of float register from a
1041 large integer mode to a float mode smaller than the float register
1043 (mips_class_max_nregs): Handle float registers case seperately.
1044 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
1046 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
1047 (movdf_hardfloat_32bit): Similarly.
1048 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
1049 support a full 64-bit fpu.
1050 (mthc1): New pattern to generate MTHC1 instruction.
1051 (mfhc1): New pattern to generate MFHC1 instruction.
1052 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
1053 option for the MIPS32R2 and mention its use under O32 ABI.
1055 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1057 * var-tracking.c (emit_note_insn_var_location): Take care not to
1058 cause verify_flow_info failures.
1060 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
1062 * tree-ssa-structalias.c: Remove edge weights in favor of just
1063 processing them as complex constraints.
1064 (struct constraint_graph): Remove weighted succs and preds. Rename
1065 nonweighted succs and preds.
1066 (constraint_edge): Removed.
1067 (constraint_edge_t): Ditto.
1068 (constraint_edge_pool): Ditto.
1069 (new_constraint_edge): Ditto.
1070 (constraint_edge_equal): Ditto.
1071 (constraint_edge_less): Ditto.
1072 (constraint_edge_vec_find): Ditto.
1073 (erase_self_graph_edge): Ditto.
1074 (add_graph_edge): Removed.
1075 (get_graph_weights): Ditto.
1076 (allocate_graph_weights): Ditto.
1077 (valid_weighted_graph_edge): Ditto
1078 (bitmap_other_than_zero_bit_set): Ditto.
1079 (int_add_graph_edge): Renamed to add_graph_edge.
1080 (clear_edges_for_node): Remove support for weighted edges.
1081 (merge_graph_nodes): Ditto.
1082 (valid_graph_edge): Ditto.
1083 (build_constraint_graph): Ditto.
1085 (collapse_nodes): Ditto.
1086 (process_unification_queue): Ditto.
1087 (topo_visit): Ditto.
1088 (do_ds_constraint): Ditto.
1089 (perform_var_subsitution): Ditto.
1090 (solve_graph): Ditto.
1091 (init_alias_vars): Ditto.
1092 (delete_points_to_sets): Ditto.
1093 (do_complex_constraint): Support offsetted copies here.
1095 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
1097 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
1099 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
1101 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
1104 2006-11-23 Ben Elliston <bje@au.ibm.com>
1106 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
1108 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
1110 PR tree-optimization/29921
1111 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
1112 signed and unsigned zero equal.
1114 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
1116 * config/rs6000/rs6000.c (get_store_dest): New.
1117 (adjacent_mem_locations): Use get_store_dest() to get
1118 the rtl of the store destination.
1120 2006-11-22 Joseph Myers <joseph@codesourcery.com>
1122 * config/rs6000/spe.md (SPE64): New mode macro.
1123 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
1125 (mov_si<mode>_e500_subreg0_2): New.
1126 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
1128 (mov_si<mode>_e500_subreg4_2): New.
1129 * config/rs6000/predicates.md (input_operand): Do not allow
1130 invalid E500 subregs.
1131 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
1133 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
1134 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
1135 involving vector modes if TARGET_SPE.
1137 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
1140 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1141 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1143 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
1145 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
1146 mem_i_address_operand): New predicates.
1147 * config/bfin/bfin.c (bfin_issue_rate): New function.
1148 (TARGET_SCHED_ISSUE_RATE): New macro.
1149 * config/bfin/bfin.md (addrtype): New attribute.
1150 (slot0, slot1, slot2, store, pregs): New cpu_units.
1151 (core): Now a define_reservation.
1152 (alu): Remove some insn types from this reservation.
1153 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
1155 (dummy reservation): Don't trigger for mcld insns.
1156 (absence_sets): Two new absence sets to enforce slot ordering.
1157 (popsi_insn): Set addrtype.
1159 2006-11-22 Ira Rosen <irar@il.ibm.com>
1161 * doc/c-tree.texi: Document new tree codes.
1162 * doc/md.texi: Document new optabs.
1163 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
1165 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
1166 * optabs.h (optab_index): Add new.
1167 (vec_extract_even_optab, vec_extract_odd_optab,
1168 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
1169 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1170 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1172 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1173 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1174 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1175 along with macros for their access.
1176 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1178 * tree-vect-analyze.c (toplev.h): Include.
1179 (vect_determine_vectorization_factor): Fix indentation.
1180 (vect_insert_into_interleaving_chain,
1181 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1182 (vect_analyze_data_ref_dependence): Add argument for interleaving
1183 check. Check for interleaving if it's true.
1184 (vect_check_dependences): New function.
1185 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1186 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1187 (vect_update_misalignment_for_peel): Update for interleaving.
1188 (vect_verify_datarefs_alignment): Check only first data-ref for
1190 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1191 only first data-ref for interleaving.
1192 (vect_analyze_data_ref_access): Check interleaving, update
1194 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1195 with different parameters.
1196 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1197 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1198 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1199 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1200 Update step in case of interleaving.
1201 (vect_strided_store_supported, vect_permute_store_chain): New
1203 (vectorizable_store): Handle strided stores.
1204 (vect_strided_load_supported, vect_permute_load_chain,
1205 vect_transform_strided_load): New functions.
1206 (vectorizable_load): Handle strided loads.
1207 (vect_transform_stmt): Add argument. Handle strided stores. Check
1208 that vectorized stmt exists for patterns.
1209 (vect_gen_niters_for_prolog_loop): Update calculation for
1211 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1212 whole chain vectorization.
1213 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1214 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1215 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1216 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1217 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1219 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1221 * cse.c (enum taken): Remove PATH_AROUND.
1222 (addr_affects_sp_p, invalidate_skipped_set,
1223 invalidate_skipped_block): Remove.
1224 (cse_end_of_basic_block): Remove skip_blocks and related code.
1225 (cse_main): Don't test for flag_cse_skip_blocks.
1226 Update cse_end_of_basic_block call.
1227 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1228 code to lengthen the path if a jump was simplified.
1230 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1232 PR rtl-optimization/29924
1233 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1234 (unroll_loop_runtime_iterations): Assert that the argument passed to
1235 split_edge_and_insert is not NULL.
1236 * loop-doloop.c (add_test): Ditto.
1238 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1240 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1242 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1243 * cfgloopmanip.c (update_single_exits_after_duplication,
1244 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1245 * tree-scalar-evolution.c (get_loop_exit_condition,
1246 get_exit_conditions_rec, loop_closed_phi_def,
1247 number_of_iterations_in_loop, scev_const_prop): Ditto.
1248 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1249 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1251 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1253 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1254 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1255 slpeel_make_loop_iterate_ntimes,
1256 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1257 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1259 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1260 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1261 vect_analyze_loop_form): Ditto.
1262 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1263 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1264 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1265 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1266 vect_transform_loop): Ditto.
1267 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1268 (single_exit, set_single_exit): New functions.
1269 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1270 (single_exit, set_single_exit): Declare.
1271 * doc/loop.texi: Undocument single_exit field. Document single_exit
1274 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1276 PR tree-optimization/29902
1277 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1278 any involved ssa name appears in abnormal phi node.
1280 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1282 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1283 (xtensa_const_ok_for_letter_p): Delete.
1284 (xtensa_extra_constraint): Delete.
1285 (override_options): Delete xtensa_char_to_class initialization.
1286 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1287 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1288 (EXTRA_CONSTRAINT): Delete.
1289 * config/xtensa/xtensa.md: Include constraints.md.
1290 (call_internal): Combine alternatives.
1291 (call_value_internal): Likewise, and remove invalid constraints.
1292 * config/xtensa/constraints.md: New file.
1293 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1294 (xtensa_extra_constraint): Delete.
1295 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1298 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1300 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1301 of conversion that doesn't fit.
1303 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1304 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1305 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1307 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1309 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1311 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1313 2006-11-21 Richard Guenther <rguenther@suse.de>
1315 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1316 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1317 vect_recog_pow_pattern.
1318 (vect_recog_pow_pattern): New function.
1320 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1322 * config/bfin/bfin.opt (mstack-check-l1): New.
1323 * doc/invoke.texi (Blackfin Options): Document it.
1324 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1325 stack bounds in L1 memory if the new option is enabled.
1326 (override_options): Don't allow combinations of -fstack-limit and
1328 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1331 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1333 (bfin_register_move_cost): Bump costs if trying to move plain
1334 integer values through accumulators.
1336 2006-11-21 Ben Elliston <bje@au.ibm.com>
1338 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1340 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1341 Russell Olsen <Russell_Olsen@playstation.sony.com>
1342 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1343 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1344 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1345 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1346 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1348 * config.gcc: Add target for SPU.
1349 * config/spu/constraints.md: New file.
1350 * config/spu/crt0.c: New file.
1351 * config/spu/crtend.c: New file.
1352 * config/spu/crti.asm: New file.
1353 * config/spu/crtn.asm: New file.
1354 * config/spu/float_unsdidf.c: New file.
1355 * config/spu/float_unssidf.c: New file.
1356 * config/spu/predicates.md: New file.
1357 * config/spu/spu-builtins.def: New file.
1358 * config/spu/spu-builtins.h: New file.
1359 * config/spu/spu-builtins.md: New file.
1360 * config/spu/spu-c.c: New file.
1361 * config/spu/spu-elf.h: New file.
1362 * config/spu/spu-modes.def: New file.
1363 * config/spu/spu-protos.h: New file.
1364 * config/spu/spu.c: New file.
1365 * config/spu/spu.h: New file.
1366 * config/spu/spu.md: New file.
1367 * config/spu/spu.opt: New file.
1368 * config/spu/spu_internals.h: New file.
1369 * config/spu/spu_intrinsics.h: New file.
1370 * config/spu/spu_mfcio.h: New file.
1371 * config/spu/t-spu-elf: New file.
1372 * config/spu/vec_types.h: New file.
1373 * config/spu/vmx2spu.h: New file.
1374 * doc/contrib.texi: Document SPU contributor.
1375 * doc/extend.texi: Document SPU extensions.
1376 * doc/invoke.texi: Document SPU options.
1377 * doc/md.texi: Document SPU constraints.
1379 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1381 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1383 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1385 (flow_loop_dump): Do not dump loop level.
1386 (flow_loops_find): Do not call flow_loops_level_compute.
1387 * cfgloop.h (struct loop): Remove level field.
1389 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1391 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1392 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1393 Use vector of edges instead of array.
1394 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1395 estimate_numbers_of_iterations_loop): Ditto.
1396 * predict.c (predict_loops): Ditto.
1397 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1398 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1400 * basic-block.h: Declare heap allocation for edge vectors.
1401 * tree-outof-ssa.c: Ditto.
1402 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1403 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1405 2006-11-20 Zack Weinberg <zackw@panix.com>
1407 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1408 Add another out parameter, "skip".
1409 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1410 is tagged "skip", do not mark its type used.
1412 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1415 * tree-sra.c (single_scalar_field_in_record_p): New function.
1416 (decide_block_copy): Use it.
1418 2006-11-20 David Daney <ddaney@avtrex.com>
1420 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1421 PC to point to following instruction.
1423 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1427 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1429 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1431 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1433 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1434 Add sh/superh.h to tm_file.
1436 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1437 Mark Mitchell <mark@codesourcery.com>
1439 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1441 (cpp_relocated): New function.
1442 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1444 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1445 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1446 replace configured prefix with gcc_exec_prefix.
1448 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1450 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1451 bfin_legitimate_constant_p.
1452 * config/bfin/bfin.md (movsi expander): Check return value of
1454 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1455 (expand_move): Adjust prototype.
1456 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1457 invalid constants specially.
1458 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1460 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1462 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1463 sibcall_value_symbol): Allow these patterns if
1464 TARGET_LEAF_ID_SHARED_LIBRARY.
1465 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1466 (override_options): Turn on id shared library flags if -msep-data,
1467 but disallow the combination of these options on the command line.
1468 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1469 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1470 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1471 -mid-shared-library.
1472 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1473 * doc/invoke.texi (Blackfin Options): Document new switches.
1475 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1476 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1478 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1479 inflate costs for addresses with an out-of-bounds address.
1481 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1484 * fwprop.c (loops): Remove.
1485 (forward_propagate_into): Use current_loops instead of
1487 (fwprop_init): Call loop_optimizer_init instead of
1489 (fwprop_done): Call loop_optimizer_finalize instead of
1491 (fwprop): Use current_loops instead of loops.
1493 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1496 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1498 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1501 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1502 larger than BITS_PER_WORD.
1504 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1508 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1509 to MAX_FIXED_MODE_SIZE.
1511 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1513 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1514 (fold_builtin_fmin_fmax): New.
1515 (fold_builtin_1): Use it.
1517 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1519 2006-11-18 Richard Guenther <rguenther@suse.de>
1521 * config/i386/i386.c (ix86_builtins): New array for ix86
1522 builtin function decls.
1523 (def_builtin): New function.
1524 (def_builtin_const): Likewise.
1525 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1527 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1529 * doc/invoke.texi (core2): Add item.
1531 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1533 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1534 (TARGET_CPU_DEFAULT_generic): Change value.
1535 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1536 (processor_type): Add new constant PROCESSOR_CORE2.
1538 * config/i386/i386.md (cpu): Add core2.
1540 * config/i386/i386.c (core2_cost): New initialized variable.
1541 (m_CORE2): New macro.
1542 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1543 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1544 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1545 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1546 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1547 x86_accumulate_outgoing_args, x86_prologue_using_move,
1548 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1549 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1550 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1551 x86_pad_returns): Add m_CORE2.
1552 (override_options): Add entries for Core2.
1553 (ix86_issue_rate): Add case for Core2.
1555 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1557 * doc/invoke.texi: Fix mno-isel typo.
1559 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1561 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1562 easy vector constant loads.
1564 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1566 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1567 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1568 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1569 * config/rs6000/sync.md (lwsync): Emit plain sync if
1572 2006-11-17 DJ Delorie <dj@redhat.com>
1574 * reload1.c (reloads_unique_chain): New.
1575 (reloads_conflict): Call it.
1577 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1579 * config/xtensa/predicates.md (addsubx_operand): New.
1580 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1581 (xtensa_emit_bit_branch): New.
1582 (xtensa_emit_movcc): New.
1583 * config/xtensa/xtensa.md (any_minmax): New code macro.
1584 (minmax): New code attribute.
1585 (any_cond, any_scc, any_scc_sf): New code macros.
1586 (*addx2, *addx4, *addx8): Delete.
1588 (*subx2, *subx4, *subx8): Delete.
1590 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1591 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1592 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1593 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1594 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1595 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1596 (movsfcc_internal0, movsfcc_internal1): Likewise.
1597 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1598 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1599 (xtensa_emit_bit_branch): New.
1600 (xtensa_emit_movcc): New.
1601 (function_arg_boundary): Add missing prototype.
1603 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1605 * config/xtensa/xtensa.md (tstsi): Delete
1607 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1609 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1611 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1613 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1615 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1617 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1619 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1621 * tree-vrp.c (execute_vrp): Do not update current_loops.
1622 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1623 * doc/loop.texi: Remove documentation for cancelled functions.
1624 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1625 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1627 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1628 (remove_path): Ensure that in delete_basic_blocks, the loops
1629 are still allocated.
1630 (add_loop): Work on valid loop structures.
1631 (loopify): Modify call of add_loop.
1632 (mfb_update_loops): Removed.
1633 (create_preheader): Do not update loops explicitly.
1634 (force_single_succ_latches, loop_version): Do not use
1635 loop_split_edge_with.
1636 (loop_split_edge_with): Removed.
1637 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1638 Do not use bsi_insert_on_edge_immediate_loop.
1639 (split_loop_exit_edge, tree_unroll_loop): Do not use
1640 loop_split_edge_with.
1641 (bsi_insert_on_edge_immediate_loop): Removed.
1642 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1643 use loop_split_edge_with.
1644 * cfghooks.c: Include cfgloop.h.
1645 (verify_flow_info): Verify that loop_father is filled iff current_loops
1647 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1648 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1650 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1652 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1653 loop_split_edge_with.
1654 (sms_schedule): Use current_loops.
1655 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1656 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1658 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1659 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1660 * ifcvt.c (if_convert): Ditto.
1661 * predict.c (predict_loops): Do not clear current_loops.
1662 (tree_estimate_probability): Use current_loops.
1663 (propagate_freq): Receive head of the region to propagate instead of
1665 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1666 (estimate_loops): New function. Handle case current_loops == NULL.
1667 (estimate_bb_frequencies): Do not allocate tovisit. Use
1669 * tree-ssa-loop.c (current_loops): Removed.
1670 (tree_loop_optimizer_init): Do not return loops.
1671 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1672 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1673 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1674 Do not update loops explicitly.
1675 * function.h (struct function): Add x_current_loops field.
1676 (current_loops): New macro.
1677 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1678 * loop-unroll.c (split_edge_and_insert): New function.
1679 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1680 use loop_split_edge_with.
1681 * loop-doloop.c (add_test, doloop_modify): Ditto.
1682 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1683 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1684 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1685 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1687 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1688 (flow_loops_free): Do not free dfs_order and rc_order.
1689 (flow_loops_find): Do not set dfs_order and rc_order in loops
1690 structure. Do not call loops and flow info verification.
1691 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1692 already belongs to some loop.
1693 * cfgloop.h (struct loops): Remove struct cfg.
1694 (current_loops, loop_split_edge_with): Declaration removed.
1695 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1696 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1697 Declaration removed.
1698 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1699 * basic-block.h (split_edge_and_insert): Declare.
1700 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1702 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1704 PR tree-optimization/29801
1705 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1706 (get_default_value): Use get_symbol_constant_value.
1707 (set_lattice_value): ICE when the value of the constant is
1709 (visit_assignment): Ignore VDEFs of read-only variables.
1711 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1713 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1715 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1716 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1718 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1720 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1721 select subvars of var.
1723 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1726 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1727 optimize if DEF doesn't have integral type.
1729 2006-11-16 Mike Stump <mrs@apple.com>
1731 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1732 pre-darwin9 system, unless the user asks for it directly.
1733 (PREFERRED_DEBUGGING_TYPE): Likewise.
1734 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1735 * config.gcc: Add suppport for darwin9.h.
1736 * config/darwin9.h: Add.
1737 * doc/install.texi (Specific): Clarify darwin documentation.
1739 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1741 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1742 optimizing for size.
1744 2006-11-16 Mike Stump <mrs@apple.com>
1746 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1748 2006-11-16 Dirk Mueller <dmueller@suse.de>
1750 * tree-vrp.c (get_value_range): Use XCNEW instead
1752 (insert_range_assertions): Use XCNEWVEC instead
1753 of XNEWVEC and memset.
1754 (vrp_initialize): Same.
1755 (vrp_finalize): Same.
1756 * tree-ssa-ccp.c (ccp_initialize): Same.
1757 * predict.c (tree_bb_level_predictions): Same.
1758 * calls.c (expand_call): Same.
1759 * tree-ssa-copy.c (init_copy_prop): Same.
1760 (fini_copy_prop): Same.
1761 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1762 of GGC_NEW and memset.
1764 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1767 * gimplify.c (gimplify_expr): Only force a load for references to
1768 non-BLKmode volatile values.
1769 * doc/implement-c.texi (Qualifiers implementation): Document the
1770 interpretation of what a volatile access is.
1771 * doc/extend.texi (C++ Extensions): Rework same documentation.
1773 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1775 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1778 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1780 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1782 (arm_neg_abssi2): Renamed from neg_abssi2.
1783 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1785 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1787 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1788 number of arguments passed to local functions in SSE registers is 3.
1790 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1791 number of arguments passed in SSE registers to 3.
1793 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1796 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1798 (get_last_bb_insn): ... new global function.
1799 (basic_block.h): Declare it.
1800 * haifa-sched.c (create_recovery_block): Use it.
1802 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1805 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1807 2006-11-15 Paul Brook <paul@codesourcery.com>
1809 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1810 _Unwind_GetTextRelBase): Move from here ...
1811 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1812 _Unwind_GetTextRelBase): ... To here.
1814 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1816 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1817 addresses we generate for testing are aligned.
1819 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1822 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1823 to what is the const decl is a place holder for.
1825 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1827 * config/i386/i386.opt: New target option -mx87regparm.
1829 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1830 and float_in_x87 variables. mmx_words, sse_words: Remove.
1831 (X87_REGPARM_MAX): Define.
1833 * config/i386/i386.c (override_options): Error out for
1834 -mx87regparm but no 80387 support.
1835 (ix86_attribute_table): Add x87regparm.
1836 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1837 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1838 (ix86_function_x87regparm): New function.
1839 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1841 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1843 (function_arg_advance): Process x87_nregs and x87_regno when
1844 floating point argument is to be passed in 80387 register.
1845 (function_arg): Pass XFmode arguments in 80387 registers for local
1846 functions. Pass SFmode and DFmode arguments to local functions
1847 in 80387 registers when flag_unsafe_math_optimizations is set.
1849 * reg-stack.c (convert_regs_entry): Disable NaN load for
1850 stack registers that are used for argument passing.
1852 * doc/extend.texi: Document x87regparm function attribute.
1853 * doc/invoke.texi: Document -mx87regparm.
1855 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1857 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1858 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1859 arg MODE; all callers changed. Use it to determine validity per
1860 machine mode instead of using Pmode for all memory references.
1861 (get_address_cost): Likewise add and use new arg MEM_MODE.
1863 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1864 J"orn Rennecke <joern.rennecke@st.com>
1866 * combine.c (likely_spilled_retval_1): Fix masking operation.
1867 (likely_spilled_retval_p): Use proper pattern for call to
1868 likely_spilled_retval_1.
1870 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1872 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1874 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1875 that tests for CONSTANT_POOL_ADDRESS_P.
1877 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1879 PR tree-optimization/29581
1880 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1881 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1882 type is different between Y and USE, create a temporary
1883 variable, initialize it at the beginning of the body bb
1884 and use it as replacement instead of Y.
1886 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1889 * gimplify.c (fold_indirect_ref_rhs): Use
1890 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1892 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1894 * expmed.c (emit_store_flag_1): New function.
1895 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1897 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1898 Use do_compare_rtx_and_jump.
1899 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1900 * arm.md (cstoresi4): New define_expand.
1901 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1902 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1903 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1905 2006-11-14 Caroline Tice <ctice@apple.com>
1907 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1908 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1910 (pubname_table): Redefine as a vector.
1911 (pubtype_table): New static global variable, defined as a vector.
1912 (pubname_table_allocated): Remove static global variable.
1913 (pubname_table_in_use): Remove static global variable.
1914 (PUBNAME_TABLE_INCREMENT): Remove constant.
1915 (size_of_pubnames): Add parameter to deal with either pubnames or
1916 pubtypes, and change code to deal with table being a vector.
1917 (add_pubname): Change to deal with table being a vector.
1918 (add_pubtype): New function.
1919 (output_pubnames): Add parameter to deal with either pubnames or
1920 pubtypes, and change code to deal with table being a vector.
1921 (gen_array_type_die): Add call to add_pubtype.
1922 (gen_enumeration_type_die): Add call to add_pubtype.
1923 (gen_struct_or_union_type_die): Add call to add_pubtype.
1924 (gen_subroutine_type_die): Add call to add_pubtype.
1925 (gen_typedef_die): Add call to add_pubtype.
1926 (dwarf2out_init): Add code to initialize pubname_table and
1927 pubtype_table vectors; also initialize debug_pubtypes_section.
1928 (prune_unused_types): Change to deal with pubnames being a vector.
1929 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1930 pubnames table to call to output_pubnames; Add code to output pubtypes
1931 table if DEBUG_PUBTYPES_SECTION is defined.
1932 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1934 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1936 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1938 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1939 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1940 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1941 movv2si_internal): Support moves between core registers.
1943 2006-11-14 Eric Christopher <echristo@apple.com>
1945 * configure: Regenerate with autoconf 2.59.
1947 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1949 Fix PR tree-optimization/27755
1951 * tree-ssa-pre.c: Update comments.
1952 (bb_bitmap_sets): Add pa_in and deferred member.
1953 (BB_DEFERRED): New macro.
1954 (maximal_set): New variable.
1955 (pre_stats): Add pa_insert member.
1956 (bitmap_set_and): Short circuit orig == dest.
1957 (bitmap_set_subtract_values): New function.
1958 (bitmap_set_contains_expr): Ditto.
1959 (translate_vuses_through_block): Add phiblock argument.
1960 (dependent_clean): New function.
1961 (compute_antic_aux): Update for maximal_set changes.
1962 (compute_partial_antic_aux): New function.
1963 (compute_antic): Handle partial anticipation.
1964 (do_partial_partial_insertion): New function.
1965 (insert_aux): Handle partial anticipation.
1966 (add_to_sets): Add to maximal set.
1967 (compute_avail): Ditto.
1968 (init_pre): Initialize maximal_set.
1969 (execute_pre): Do partial anticipation if -O3+.
1971 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1973 PR rtl-optimization/29798
1975 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1976 TARGET_INSN before any other check.
1977 (fwprop_init): Always calculate dominators.
1978 (fwprop_done): Always free them.
1980 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1982 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1985 2006-11-13 DJ Delorie <dj@redhat.com>
1987 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1988 temporary for intermediates.
1990 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1992 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1993 (sh_optimize_target_register_callee_saved): #if 0 the code
1994 using NOTE_INSN_LOOP_{BEG,END}.
1996 2006-11-13 Roger Sayle <roger@eyesopen.com>
1998 * fold-const.c (optimize_bit_field_compare): Recursively call
1999 fold when simplifying non-constant comparisons between bit-fields.
2001 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2003 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
2005 * configure: Rebuilt.
2007 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
2009 * config/rs6000/cell.md: New file.
2010 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
2012 (ppccell_cost): New cost matrix.
2013 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
2014 (rs6000_override_options): Set rs6000_always_hint to false
2015 for cell. Also align functions/lables/loops to 8byte
2016 for the Cell. Use PROCESSOR_CELL.
2017 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
2018 using_mtcr_multiple.
2019 (rs6000_variable_issue): If the insn is a nonpipelined instruction
2020 on the Cell, return 0.
2021 (rs6000_adjust_cost): Add Cell cost adjustments.
2022 (is_microcoded_insn): Return true for Cell microcoded
2024 (is_nonpipeline_insn): New function.
2025 (rs6000_issue_rate): Add PROCESSOR_CELL.
2026 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
2028 (rs6000_use_sched_lookahead_guard): New function.
2029 (rs6000_sched_reorder): Reorder the ready list, if the second
2030 to last ready insn is a nonepipeline insn on the Cell.
2031 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
2032 (ASM_CPU_SPEC): Add Cell.
2033 * config/rs6000/rs6000.md (cpu): Add Cell.
2034 (cell_micro): New Attr.
2037 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2039 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
2041 * configure: Rebuilt.
2043 2006-11-13 Richard Guenther <rguenther@suse.de>
2045 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
2047 (ix86_expand_lfloorceil): Likewise.
2048 (ix86_expand_rint): Likewise.
2049 (ix86_expand_floorceildf_32): Likewise.
2050 (ix86_expand_floorceil): Likewise.
2051 (ix86_expand_rounddf_32): Likewise.
2052 (ix86_expand_truncdf_32): Likewise.
2053 (ix86_expand_round): Likewise.
2055 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
2056 Mark Mitchell <mark@codesourcery.com>
2058 * gcc.c: Organize search path variables into $prefix relative,
2059 and well-known native. Add comments.
2060 (add_sysrooted_prefix): Add comment.
2061 (process_command): If !gcc_exec_prefix add $prefix based paths.
2062 If *cross_compile == '0', add native well-known paths.
2063 Assert tooldir_base_prefix is always relative.
2064 (main): If print_search_dirs, and if gcc_exec_prefix is set,
2065 use this value for 'install:' path.
2066 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
2068 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2070 * config/i386/i386.c: Fix a typo in comment.
2072 2006-11-13 Michael Matz <matz@suse.de>
2074 * genemit.c (gen_expand): Allocate enough memory.
2076 2006-11-13 Joseph Myers <joseph@codesourcery.com>
2078 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
2079 __GXX_TYPEINFO_EQUALITY_INLINE but not
2080 __GXX_MERGED_TYPEINFO_NAMES.
2081 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
2082 __GXX_MERGED_TYPEINFO_NAMES.
2083 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
2084 __GXX_TYPEINFO_EQUALITY_INLINE.
2086 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2087 Zdenek Dvorak <dvorakz@suse.cz>
2089 PR tree-optimization/29680
2090 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
2093 2006-11-12 Jason Merrill <jason@redhat.com>
2094 Andrew Pinski <pinskia@physics.uc.edu>
2097 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
2099 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
2101 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
2102 * tree.c (build_vector): Handle non-_CST elements.
2104 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2106 * genemit.c (gen_insn): Call gen_exp with a non-null used
2107 when handling multiple insns.
2108 (gen_expand): Likewise.
2109 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2110 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
2111 (movsi_const_16bit+1): Copy operands[1].
2112 (call_pcrel): Copy the call_site pattern.
2113 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
2115 2006-11-12 Roger Sayle <roger@eyesopen.com>
2117 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
2118 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
2119 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
2120 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
2122 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
2124 Fix PR tree-optimization/29587
2125 * tree-ssa-structalias.c (process_constraint): Don't
2126 mark address taken due only to escaped vars constraint.
2128 2006-11-12 Michael Matz <matz@suse.de>
2129 Roger Sayle <roger@eyesopen.com>
2131 PR rtl-optimization/29797
2132 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
2133 BITS_BIG_ENDIAN targets.
2135 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2137 * builtins.c (fold_builtin_cosh): New.
2138 (fold_builtin_1): Use it.
2139 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
2140 trunc to the list of "odd" functions. Also add llrint, lrint,
2141 rint and nearbyint when flag_rounding_math is false.
2143 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2145 * tree-flow.h (name_mappings_registered_p): Declare.
2146 * tree-into-ssa.c (name_mappings_registered_p): New function.
2147 * tree-cfg.c (tree_can_merge_blocks_p): Check
2148 name_mappings_registered_p instead of need_ssa_update_p.
2150 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2152 * tree-ssa-loop.c (tree_vectorize): Return the result of
2154 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
2155 if anything changed.
2156 * tree-vectorizer.h (vectorize_loops): Declaration removed.
2157 * tree-flow.h (vectorize_loops): Declaration changed.
2159 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2161 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
2163 (issue_prefetch_ref): Move assignment to write_p out of loop.
2164 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
2165 SIMULTANEOUS_PREFETCHES into account.
2166 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
2167 * lambda-code.c (lcm): Renamed to ...
2168 (least_common_multiple): ... and exported.
2169 * tree-flow.h (least_common_multiple): Declare.
2171 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2173 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2174 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2175 ud-chains. Handle AND_EXPR.
2176 (record_estimate): Record whether the estimate is realistic
2177 and whether it is derived from a loop exit.
2178 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2179 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2181 (compute_estimated_nb_iterations): Take only realistic bounds into
2182 account. Set estimate_state. Use double_ints.
2183 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2184 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2185 that do not have to be always executed.
2186 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2187 to determine whether to call infer_loop_bounds_from_undefined
2188 and compute_estimated_nb_iterations.
2189 (n_of_executions_at_most): Use double_ints.
2190 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2191 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2192 * double-int.c (double_int_to_tree): Improve comment.
2193 (double_int_fits_to_tree_p): New function.
2194 * double-int.h (double_int_fits_to_tree_p): Declare.
2195 * tree-data-ref.c: Include langhooks.h.
2196 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2197 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2198 (analyze_array): Do not pass estimate_only argument to
2199 analyze_array_indexes.
2200 (get_number_of_iters_for_loop): Build tree from the stored double_int
2202 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2203 (find_data_references_in_loop): Use find_data_references_in_stmt.
2204 * tree-data-ref.h (struct data_ref_loc_d): New.
2205 (get_references_in_stmt): Declare.
2206 (estimate_iters_using_array): Declaration removed.
2207 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2208 double_int. Improve comments. Add is_exit and realistic
2210 (struct loop): Changed type of estimated_nb_iterations to double_int.
2211 Added estimate_state field.
2212 (record_estimate): Declaration removed.
2214 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2216 * params.c (set_param_value): Initialize the "set" field.
2217 * params.h (struct param_info): Add "set" field.
2218 (PARAM_SET_P): New macro.
2219 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2220 L1_CACHE_LINE_SIZE): New macros.
2221 * toplev.c (DEFPARAM): Initialize the "set" field.
2222 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2223 SIMULTANEOUS_PREFETCHES): Removed.
2224 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2225 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2226 * config/sparc/sparc.c: Include params.h.
2227 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2228 L1_CACHE_LINE_SIZE parameters.
2229 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2231 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2233 * config/i386/i386.c: Include params.h.
2234 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2235 (override_options): Set SIMULTANEOUS_PREFETCHES and
2236 L1_CACHE_LINE_SIZE parameters.
2237 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2238 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2239 L1_CACHE_LINE_SIZE parameters.
2240 * config/ia64/ia64.c (ia64_optimization_options): Set
2241 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2242 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2244 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2245 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2246 * doc/invoke.texi: Document new params.
2248 2006-11-12 Roger Sayle <roger@eyesopen.com>
2250 PR tree-optimization/13827
2251 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2254 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2256 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2257 update_single_exit_for_duplicated_loops): New functions.
2258 (duplicate_loop_to_header_edge): Use
2259 update_single_exit_for_duplicated_loops.
2260 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2261 functions only with ENABLE_CHECKING.
2263 2006-11-12 Andreas Schwab <schwab@suse.de>
2265 * except.c (sjlj_emit_function_enter): Remove unused variable.
2267 2006-11-11 Roger Sayle <roger@eyesopen.com>
2269 * fold-const.c (int_binop_types_match_p): New function.
2270 (size_binop): Relax constraint that both arguments must both have
2271 exactly the same sizetype type. Instead use int_binop_types_match_p.
2272 (size_diffop): Likewise.
2274 (make_range): Use build_int_cst instead of fold_convert.
2275 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2276 integer constants of the correct type.
2277 (fold_div_compare): Likewise.
2278 (fold_single_bit_test): Likewise.
2279 (fold_binary): Likewise.
2280 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2281 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2283 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2286 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2287 non null value if the struct memory access is in the 0th
2290 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2293 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2294 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2297 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2298 instead of builtin_define for bfin and BFIN.
2300 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2302 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2305 2006-11-11 Jan Hubicka <jh@suse.cz>
2307 * extend.texi (__builtin_expect): We no longer require second argument
2309 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2310 * builtins.c (expand_builtin_expect): Simplify.
2311 (expand_builtin_expect_jump): Kill.
2312 * final.c (final_scan_insn): Do not skip the removed notes.
2313 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2314 EXPECTED_VALUE): Remove.
2315 * dojump.c (do_jump): Do not care about __builtin_expect.
2316 * predict.c (expected_value_to_br_prob): Kill.
2317 * function.c (expand_function_end): Do not expand
2318 NOTE_INSN_REPEATED_LINE_NUMBER.
2319 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2320 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2321 * cfgexpand.c (add_reg_br_prob_note): Export.
2322 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2323 expected_value_to_br_prob.
2324 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2325 * rtl.h (add_reg_br_prob_note): Declare.
2327 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2329 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2331 2006-11-11 Jan Hubicka <jh@suse.cz>
2333 * predict.c (predict_loops): Kill RTL variant.
2335 2006-11-11 Jan Hubicka <jh@suse.cz>
2337 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2338 * modulo-sched.c (find_line_note): Remove.
2339 (loop_canon_p): Do not worry about line number notes.
2340 (sms_schedule): Likewise.
2341 * cse.c (cse_main): Likewise.
2342 * regmove.c (fixup_match_1): Likewise
2343 * function.c (emit_return_info_block): Likewise.
2344 (expand_function_end): Likewise.
2345 (thread_prologue_an_epilogue_insns): Likewise.
2346 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2348 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2349 emit_note_copy_after): Kill.
2350 (emit_note_copy): Do not worry about line numbers.
2351 * jump.c (purge_line_number_notes): Kill.
2352 (pass_purge_lineno_notes): Kill.
2353 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2355 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2356 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2357 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2358 * tree-pass.h (pass_purge_lineno_notes): Kill.
2359 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2360 rm_redundant_line_notes.
2361 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2362 rm_redundant_line_notes.
2363 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2364 * haifa-sched.c: Update comment about handling notes.
2365 (unlink_line_notes): Kill.
2366 (rm_line_notes): Kill.
2367 (save_line_notes): Simplify.
2368 (rm_redundant_line_notes): Kill.
2370 2006-11-11 Richard Guenther <rguenther@suse.de>
2372 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2373 Remove unused tree codes.
2374 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2375 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2376 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2377 * tree.c (stabilize_reference): Likewise.
2378 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2379 fold_unary): Likewise.
2380 * tree-gimple.c (is_gimple_cast): Likewise.
2381 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2382 * expr.c (expand_expr_real_1): Likewise.
2383 * tree-eh.c (tree_could_trap_p): Likewise.
2384 * gimplify.c (gimplify_expr): Likewise.
2385 * tree-inline.c (estimate_num_insns_1): Likewise.
2386 * tree-cfg.c (verify_expr): Likewise.
2388 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2390 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2391 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2392 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2394 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2397 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2398 constraints accept neither registers or memories.
2400 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2402 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2403 (NO_PROFILE_COUNTERS): Define as 1.
2405 2006-11-10 Roger Sayle <roger@eyesopen.com>
2407 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2408 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2410 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2412 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2414 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2416 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2417 (fold_builtin_hypot): Likewise.
2418 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2420 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2422 2006-11-10 Roger Sayle <roger@eyesopen.com>
2424 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2425 when attempting to build INTEGER_CSTs of non-integral types.
2426 * expmed.c (make_tree): Use the correct type, i.e. the inner
2427 type, when constructing the individual elements of a CONST_VECTOR.
2429 2006-11-10 Jan Hubicka <jh@suse.cz>
2431 * cse.c (cse_process_notes): Copy the propagated value.
2432 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2434 * gcse.c (try_replace_reg): Copy the replacement.
2435 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2436 (assign_386_stack_local): Always return copied memory expression
2437 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2440 2006-11-10 Jan Hubicka <jh@suse.cz>
2442 * final.c (final): Walk from first instruction.
2443 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2445 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2448 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2450 (umulv8hi3_highpart): Ditto.
2451 (vec_widen_smult_hi_v8hi): New expander.
2452 (vec_widen_smult_lo_v8hi): Ditto.
2454 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2457 * builtins.c (do_mpfr_arg3): New.
2458 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2460 2006-11-09 Eric Christopher <echristo@apple.com>
2465 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2466 * config.gcc (powerpc64-*-darwin*): New target.
2467 * config.host: Ditto.
2468 * config/rs6000/darwin64.h: New file.
2469 * config/rs6000/x-darwin64: Ditto.
2470 * config/rs6000/host-ppc64-darwin.c: Ditto.
2472 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2474 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2475 routines for integer division.
2477 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2479 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2481 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2484 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2486 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2488 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2489 simplify_subreg with BLKmode outer mode.
2491 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2493 * doc/invoke.texi: Minor formatting fixes in option lists.
2495 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2497 PR tree-optimization/29738
2498 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2499 (ccp_lattice_t): Remove UNKNOWN_VAL.
2500 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2501 Do not handle UNKNOWN_VAL.
2502 (get_default_value): Set initial value of virtual operands to
2504 (get_value): Always use get_default_value on uninitialized
2506 (set_value_varying, surely_varying_stmt_p): New functions.
2507 (set_lattice_value): Do not pass argument to get_value.
2508 Do not handle UNKNOWN_VAL.
2509 (likely_value): Follow the semantics described in the comment.
2510 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2511 phi nodes DONT_SIMULATE_AGAIN.
2512 (ccp_fold): Do not pass argument to get_value.
2513 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2516 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2518 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2519 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2521 2006-11-08 Roger Sayle <roger@eyesopen.com>
2523 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2524 test for inclusion rather than as a test for exclusion.
2525 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2526 the condition after calling fold_binary.
2527 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2528 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2529 * builtins.c (fold_builtin_isascii): Likewise.
2530 (fold_builtin_isdigit): Likewise.
2532 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2534 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2535 * configure: Regenerate.
2537 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2539 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2540 enum argument instead of bool.
2541 (vect_analyze_operations): Call vectorizable_type_promotion.
2542 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2543 stmt_vec_info_type value.
2544 (supportable_widening_operation, vectorizable_type_promotion): New
2545 function declarations.
2546 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2547 (vectorizable_type_promotion): New function.
2548 (vect_transform_stmt): Call vectorizable_type_promotion.
2549 * tree-vect-analyze.c (supportable_widening_operation): New function.
2550 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2552 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2555 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2556 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2557 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2559 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2560 * expr.c (expand_expr_real_1): Likewise.
2561 * optabs.c (optab_for_tree_code): Likewise.
2562 (init_optabs): Initialize new optabs.
2563 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2564 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2565 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2566 vec_unpacku_lo_optab): Initialize new optabs.
2567 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2568 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2569 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2571 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2572 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2573 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2574 (vec_unpacku_lo_optab): New optabs.
2575 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2576 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2577 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2578 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2579 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2580 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2582 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2583 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2584 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2585 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2586 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2587 implement the unsigned unpacking patterns.
2588 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2589 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2590 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2591 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2592 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2593 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2594 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2595 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2596 multiplication patterns.
2598 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2599 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2600 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2601 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2602 (rs6000_builtin_mul_widen_odd): New.
2603 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2604 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2605 * tree-vectorizer.h (enum vect_relevant): New enum type.
2606 (_stmt_vec_info): Field relevant chaned from bool to enum
2608 (STMT_VINFO_RELEVANT_P): Updated.
2609 (STMT_VINFO_RELEVANT): New.
2610 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2611 instead of STMT_VINFO_RELEVANT_P.
2612 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2613 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2614 and boolean variable with enum vect_relevant.
2615 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2616 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2617 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2619 2006-11-08 Richard Henderson <rth@redhat.com>
2621 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2622 vec_widen_umult_lo_v8hi): New.
2623 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2624 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2626 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2627 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2628 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2629 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2630 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2631 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2632 vec_unpacks_lo_v4si): New.
2634 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2636 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2637 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2638 (vect_analyze_operations): Call vectorizable_type_demotion.
2639 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2640 stmt_vec_info_type value.
2641 (vectorizable_type_demotion): New function declaration.
2642 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2645 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2646 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2648 * tree-iniline.c (estimate_num_insns_1): Likewise.
2649 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2650 * optabs.c (optab_for_tree_code): Likewise.
2652 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2653 compared against the predicate of the result is not 'mode' (the input
2654 to the function) but a mode with half the size of 'mode'.
2655 (init_optab): Initialize new optabs.
2656 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2658 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2660 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2661 (vec_pack_usat_optab): Initialize new optabs.
2662 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2663 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2665 2006-11-08 Richard Henderson <rth@redehat.com>
2667 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2668 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2669 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2670 (vec_interleave_highv4si, vec_interleave_lowv4si):
2671 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2673 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2675 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2677 (vect_transform_stmt): Removed redundant code.
2679 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2681 * tree-vect-transform.c (vectorizable_operation): Support multiple
2684 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2686 * tree-vect-transform.c (vect_align_data_ref): Removed.
2687 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2688 Updated function documentation. Return the increment stmt in ptr_incr.
2689 (bump_vector_ptr): New function.
2690 (vect_get_vec_def_for_stmt_copy): New function.
2691 (vect_finish_stmt_generation): Create a stmt_info to newly created
2693 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2695 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2696 VF is greater than the number of elements that can fit in one vector
2698 (vectorizable_operation, vectorizable_condition): Likewise.
2699 (vectorizable_store, vectorizable_load): Support the case that the VF
2700 is greater than the number of elements that can fit in one vector word.
2701 (vect_transform_loop): Don't fail in case of multiple data-types.
2702 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2703 in case of multiple data-types; the smallest type determines the VF.
2704 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2705 if they are of different sizes.
2706 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2707 number of elements rather than number of bytes.
2708 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2709 (vect_can_advance_ivs_p): Fix a dump printout
2711 2006-11-07 Eric Christopher <echristo@apple.com>
2713 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2714 (__bswapsi2): Ditto.
2715 * libgcc2.h: Remove transformation of bswap routines.
2716 * config/i386/i386.md (bswapsi2): New.
2719 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2721 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2722 (handle_gnu_inline_attribute): New function.
2723 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2724 (merge_decls, start_decl, start_function): Likewise.
2725 * doc/extend.texi: Document gnu_inline attribute.
2727 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2730 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2731 _fixunstfdi, and _floatditf
2733 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2735 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2737 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2738 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2739 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2740 which start in an odd register.
2742 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2744 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2746 2006-11-07 Josh Conner <jconner@apple.com>
2748 * doc/invoke.texi (fstrict-aliasing): Move implementation
2750 * doc/tree-ssa.texi (Alias analysis): ...here.
2752 2006-11-07 Richard Guenther <rguenther@suse.de>
2754 PR tree-optimization/29610
2755 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2756 of tree_purge_dead_eh_edges as it may free dominators.
2758 * g++.dg/other/pr29610.C: New testcase.
2760 2006-11-07 David Ung <davidu@mips.com>
2762 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2763 costs when optimizing for size.
2764 (override_options): Use mips_rtx_cost_optimize_size table for cost
2767 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2769 * gcc.c (process_command): Treat -b as normal switch if its argument
2772 2006-11-07 David Ung <davidu@mips.com>
2774 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2777 2006-11-06 Eric Christopher <echristo@apple.com>
2779 * config.gcc: Add x86_64-darwin host support.
2780 * config.host: Ditto.
2781 * config/i386/darwin64.h: New file.
2782 * config/i386/t-darwin64: Ditto.
2784 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2786 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2787 and output-exists-not.
2789 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2792 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2793 checking for overflow.
2795 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2797 * configure.ac: Fixed typo in case statement: :: changed to ;;
2799 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2801 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2802 count_leading_zeros, and count_trailing_zeros.
2803 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2804 (TARGET_FOLD_BUILTIN): Define.
2805 (TARGET_EXPAND_BUILTIN): Define.
2806 (xtensa_init_builtins): New.
2807 (xtensa_fold_builtin): New.
2808 (xtensa_expand_builtin): New.
2809 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2810 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2811 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2812 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2813 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2814 (any_extend): New code macro.
2815 (u, su): New code attributes.
2816 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2817 (nsau): Remove; replaced by clzsi2.
2818 (ffssi2): Use clzsi2.
2819 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2820 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2821 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2822 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2823 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2825 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2827 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2829 * config/arm/t-strongarm-elf: Likewise.
2830 * config/arm/t-pe: Likewise.
2831 * config/arm/t-arm-elf: Likewise.
2832 * config/arm/t-xscale-elf: Likewise.
2833 * config/arm/t-arm-coff: Likewise.
2834 * config/arm/t-xscale-coff: Likewise.
2835 * config/arm/t-wince-pe: Likewise.
2837 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2839 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2842 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2845 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2848 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2851 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2852 as a valid 80387 constant.
2853 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2854 * config/i386/i386.md (unnamed splitter): Split the load of
2855 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2858 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2860 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2861 from the soft-frame, argument and virtual registers.
2863 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2865 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2866 patterns for standard 80387 constants.
2868 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2869 Steven Bosscher <steven@gcc.gnu.org>
2871 * fwprop.c: New file.
2872 * Makefile.in: Add fwprop.o.
2873 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2874 * passes.c (init_optimization_passes): Schedule forward propagation.
2875 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2877 * timevar.def (TV_FWPROP): New.
2878 * common.opt (-fforward-propagate): New.
2879 * opts.c (decode_options): Enable forward propagation at -O2.
2880 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2881 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2882 canon_for_address, table_size): Remove.
2883 (new_basic_block, insert, remove_from_table): Remove references to
2885 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2886 simplification loop more straightforward by not calling fold_rtx
2888 (equiv_constant): Move here a small part of fold_rtx_subreg,
2889 do not call fold_rtx. Call avoid_constant_pool_reference
2891 * recog.h (canonicalize_change_group): New.
2893 * doc/invoke.texi (Optimization Options): Document fwprop.
2894 * doc/passes.texi (RTL passes): Document fwprop.
2896 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2898 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2899 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2900 (grokdeclarator): Likewise.
2902 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2904 * tree-dump.c (dump_enable_all): Rename local variable
2905 ir_type to avoid name conflicts.
2906 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2907 instead of using ir_type().
2908 * profile.c (tree_register_profile_hooks): Likewise.
2909 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2910 * basic-block.h (struct edge_def): Likewise.
2911 * config/arm/arm.c (legitimize_pic_address): Likewise.
2912 * coretypes.h (ir_type): New enum of all intermediate languages
2914 * cfghooks.c (ir_type): Rename to...
2915 (current_ir_type): ...this. Distinguish between cfgrtl and
2916 cfglayout mode when the current IR is RTL. Return enum ir_type.
2917 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2919 2006-11-03 Paul Brook <paul@codesourcery.com>
2921 * config/arm/arm.c (arm_file_start): New function.
2922 (TARGET_ASM_FILE_START): Define.
2923 (arm_default_cpu): New variable.
2924 (arm_override_options): Set arm_default_cpu.
2926 2006-11-03 David Ung <davidu@mips.com>
2928 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2929 PROCESSOR_24KC and PROCESSOR_24KF.
2930 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2931 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2932 (mips_rtx_cost_data): Add costs for the 24kc.
2933 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2934 * config/mips/24k.md: Remove references to 24k and replace with
2935 uses of 24kc/24kf in the appropriate reservations.
2936 * doc/invoke.texi (MIPS Options): Updated.
2938 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2940 * config/sh/crt1.asm: Fix #ifdef indent.
2942 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2943 Merged from STMicroelectronics sources:
2944 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2945 * config/sh/crt1.asm (vbr_600): Add missing #if.
2946 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2947 * sh.opt (mfused-madd): New option.
2948 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2949 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2950 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2951 Remove pointless handler at VBR+0.
2952 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2953 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2954 fr7. Make sure the timer handler is called with the correct FPU
2955 precision setting, according to the ABI.
2956 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2957 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2958 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2959 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2960 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2961 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2962 zero as second operand.
2963 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2964 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2965 Fixed some bugs related to negative values, in particular -0
2966 and overflow at -0x80000000.
2967 * config/sh/divcost-analysis: Added sh4-300 figures.
2968 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2969 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2970 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2971 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2972 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2973 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2975 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2977 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2978 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2979 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2980 mac_mem, mem_mac, dfp_mul, fp_cmp.
2981 (insn_class, dfp_comp, any_fp_comp): Update.
2982 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2983 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2984 (muldf3_i): Likewise.
2985 (movsi_i): Split rI08 alternative into two separate alternatives.
2987 (movsi_ie, movsi_i_lowpart): Likewise.
2988 (movqi_i): Split ri alternative into two separate alternatives.
2990 * sh1.md (sh1_load_store, sh1_fp): Update.
2991 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2992 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2993 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2994 (sh4a_fp_double_arith): Likewise.
2995 * sh4-300.md: New file.
2996 * sh.c (sh_handle_option): Handle m4-300* options.
2997 (sh_adjust_cost): Fix latency of auto-increments.
2998 Handle SH4-300 differently than other SH4s. Check for new insn types.
2999 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
3000 been set by an option.
3001 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
3002 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
3003 (mbranch-cost=): Likewise.
3004 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
3006 * sh.md (mulsf3): Remove special expansion code.
3007 (mulsf3_ie): Now a define_insn_and_split.
3008 (macsf3): Allow for TARGET_SH4.
3010 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
3011 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
3012 (expand_cbranchdi4): Likewise.
3013 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
3014 CONST_DOUBLE if the outer code is COMPARE.
3015 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
3016 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
3017 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
3018 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
3019 Remove redundant fp_{zero,one}_operand checks.
3020 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
3021 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
3022 (expand_cbranchdi4): Likewise.
3023 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
3024 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
3026 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
3028 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
3031 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3033 * doc/invoke.texi: Fix mfp-trap-mode typo.
3035 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3037 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
3038 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
3039 file_end_indicate_exec_stack.
3040 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
3042 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
3043 for a non-executable stack.
3044 * crti.asm: Likewise.
3045 * crtn.asm: Likewise.
3046 * libunwind.S: Likewise.
3048 2006-11-02 Ben Elliston <bje@au.ibm.com>
3050 * tree-ssa.c (warn_uninit): Use expand_location variables for
3051 locus and declaration locus.
3053 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
3056 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
3057 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
3058 cmp{eq,gt,gtu}{si,di}_media.
3059 (*cmpne0si_media): Remove.
3060 (*movsicc_umin): Adjust gen_cmp*_media call.
3061 (unordered): Change the mode of unordered and operands[1] to
3063 (seq): Adjust gen_cmp*_media calls. Make the mode of
3064 a temporary result of compare SImode if needed. If the mode
3065 of operands[0] is DImode, extend the temporary result to DImode.
3066 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
3067 (sunorderd): Change the mode of match_operand and unorderd to
3069 (cmpeq{sf,df}_media): Remove.
3070 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
3071 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
3072 and compare operation to SImode.
3074 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
3076 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
3078 (sparc64-sun-solaris2*): Likewise.
3080 2006-11-02 Paul Brook <paul@codesourcery.com>
3082 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
3083 from priority argument. Use different section for non-default
3085 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
3087 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
3090 * except.c (switch_to_exception_section): Do not cache the section
3091 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3092 and flag_function_sections is set.
3094 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3097 * builtins.c (do_mpfr_sincos): New.
3098 (fold_builtin_1): Use it to fold builtin sincos.
3100 2006-11-01 Roger Sayle <roger@eyesopen.com>
3102 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
3103 it into -D_REENTRANT.
3105 2006-11-01 Roger Sayle <roger@eyesopen.com>
3107 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
3108 whether the assembler supports taking the difference of symbols in
3109 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
3110 * configure: Regenerate.
3111 * config.in: Regenerate.
3112 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
3113 the assembler doesn't support taking the difference of symbols in
3114 different sections, i.e. we're using the native solaris assembler.
3116 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
3117 Peter Bergner <bergner@vnet.ibm.com>
3119 * doc/invoke.texi: Add cpu_type power6x
3120 (RS/6000 and PowerPC Options): Add -mmfpgpr.
3121 * config.gcc: Add cpu_type power6x.
3122 * configure.ac: Add test for mf{t,f}gpr instructions.
3123 (HAVE_AS_MFPGPR): New.
3124 * config.in: Regenerate.
3125 * configure: Regenerate.
3126 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
3127 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
3128 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
3129 and mftgpr attributes.
3130 (define_attr "cpu"): Add power6.
3131 Change instruction sequences to use new attributes.
3132 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
3133 (fix_truncdfsi2_mfpgpr): New.
3134 (floatsidf_ppc64_mfpgpr): New.
3135 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
3136 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
3137 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
3138 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
3139 (fix_truncdfsi2): Use gpc_reg_operand constraint.
3140 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
3141 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
3142 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
3143 cntlz,exts and var_delayed_compare.
3144 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3145 _ARCH_PWR6X, if features enabled.
3146 * config/rs6000/rs6000.opt (mmfpgpr): New.
3147 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
3148 (cached_can_issue_more): New variable.
3149 (processor_costs): Add power6_cost.
3150 (rs6000_sched_init): New function.
3151 (is_dispatch_slot_restricted): Deleted.
3152 (set_to_load_agen): New function.
3153 (is_load_insn,is_store_insn): New functions.
3154 (adjacent_mem_locations): New function.
3155 (insn_must_be_first_in_group): New function.
3156 (insn_must_be_last_in_group): New function.
3157 (rs6000_sched_reorder): New function.
3158 (rs6000_sched_reorder2): New function.
3159 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
3160 TARGET_SCHED_REORDER2): Define.
3161 (processor_target_table): Use PROCESSOR_POWER6 for power6.
3162 Add power6x. Add MASK_MFPGPR for power6x.
3163 (POWERPC_MASKS): Add MASK_MFPGPR.
3164 (rs6000_override_options): Set rs6000_always_hint to false
3165 for power6. Set rs6000_align_branch_targets. Replace
3166 rs6000_sched_groups check with rs6000_align_branch_targets.
3167 Use PROCESSOR_POWER6.
3168 (last_scheduled_insn): New variable.
3169 (load_store_pendulum): New variable.
3170 (rs6000_variable_issue): Set last_scheduled_insn and
3171 cached_can_issue_more.
3172 (rs6000_adjust_cost): Add power6 cost adjustments.
3173 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3174 with insn_must_be_first_in_group. Add power6 priority adjustments.
3175 (rs6000_issue_rate): Add CPU_POWER6.
3176 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3177 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3178 (TARGET_MFPGPR): New.
3179 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3180 (ASM_CPU_SPEC): Add power6x.
3181 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3183 * config/rs6000/power6.md: New file.
3185 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3187 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3188 HOST_WIDE_INT_PRINT to print high and low parts. Use
3189 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3190 printing a hexadecimal number prefix it with 0x.
3192 2006-11-01 Chris Johns <chris@contemporary.net.au>
3195 * Makefile.in (install-driver): Use exeext when installing
3196 $target-gcc-$version.
3198 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3200 * c-common.c (flag_cpp0x): New.
3201 * c-common.h (flag_cpp0x): New.
3202 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3203 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3204 * c-opts.c (set_std_cxx0x): New.
3205 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3206 * c.opt (std=c++0x): Document.
3207 (std=gnu++0x): Ditto.
3208 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3209 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3211 2006-11-01 Richard Guenther <rguenther@suse.de>
3213 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3215 (ix86_expand_floorceildf_32): Likewise.
3216 (ix86_expand_floorceil): Likewise.
3217 (ix86_expand_trunc): Likewise.
3219 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3221 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3224 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3226 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3228 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3230 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3232 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3233 * configure.ac (use_cxa_atexit): As a special case, don't test
3234 for libc definition of __cxa_atexit on mingw32
3235 * configure: Regenerate.
3236 * config.gcc (i[34567]86-pc-mingw32): Default to
3237 enable__cxa_atexit=yes.
3239 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3241 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3243 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3246 * c-decl.c (start_struct): Don't create self-containing
3248 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3250 * config/rs6000/rs6000-protos.h
3251 (darwin_rs6000_special_round_type_align): New.
3252 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3253 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3255 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3257 * toplev.c (compile_file): Call final_write_globals
3258 even if there have been errors.
3260 2006-10-31 Eric Christopher <echristo@apple.com>
3261 Falk Hueffner <falk@debian.org>
3263 * doc/extend.texi (__builtin_bswap32): Document.
3264 (__builtin_bswap64): Ditto.
3265 * doc/libgcc.texi (bswapsi2): Document.
3267 * doc/rtl.texi (bswap): Document.
3268 * optabs.c (expand_unop): Don't widen a bswap.
3269 (init_optabs): Init bswap. Set libfuncs explicitly
3270 for bswapsi2 and bswapdi2.
3271 * optabs.h (OTI_bswap): New.
3272 (bswap_optab): Ditto.
3273 * genopinit.c (optabs): Handle bswap_optab.
3274 * tree.h (tree_index): Add TI_UINT32_TYPE and
3276 (uint32_type_node): New.
3277 (uint64_type_node): Ditto.
3278 * tree.c (build_common_tree_nodes_2): Initialize
3279 uint32_type_node and uint64_type_node.
3280 * builtins.c (expand_builtin_bswap): New.
3281 (expand_builtin): Call.
3282 (fold_builtin_bswap): New.
3283 (fold_builtin_1): Call.
3284 * fold-const.c (tree_expr_nonnegative_p): Return true
3286 * builtin-types.def (BT_UINT32): New.
3288 (BT_FN_UINT32_UINT32): Ditto.
3289 (BT_FN_UINT64_UINT64): Ditto.
3290 * builtins.def (BUILT_IN_BSWAP32): New.
3291 (BUILT_IN_BSWAP64): Ditto.
3292 * rtl.def (BSWAP): New.
3293 * genattrtab.c (check_attr_value): New.
3294 * libgcc2.c (__bswapSI2): New.
3295 (__bswapDI2): Ditto.
3296 * libgcc2.h (__bswapSI2): Declare.
3297 (__bswapDI2): Ditto.
3298 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3299 * simplify-rtx.c (simplify_const_unary_operation): Return
3301 * libgcc-std.ver (__bwapsi2): Add.
3302 (__bswapdi2): Ditto.
3303 * reload1.c (eliminate_regs_1): Add bswap.
3304 (elimination_effects): Ditto.
3305 * config/i386/i386.h (x86_bswap): New.
3306 (TARGET_BSWAP): Use.
3307 * config/i386/i386.c (x86_bswap): Set.
3309 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3311 * coverage.c (coverage_checksum_string): Update comment.
3312 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3313 of get_file_function_name.
3314 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3315 of get_file_function_name_long.
3316 * tree.c (get_file_function_name): Rename from
3317 get_file_function_name_long; improve comment; handle 'I' and 'D'
3318 specially when the target has ctor/dtor support; remove special
3320 (get_file_function_name): Remove.
3321 * tree.h (get_file_function_name): Rename from
3322 get_file_function_name_long.
3323 (get_file_function_name): Remove prototype.
3325 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3327 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3328 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3330 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3331 Call dsymutil when compiling and linking one or more source files
3334 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3337 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3339 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3341 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3342 inline static functions in c99 mode.
3345 * doc/extend.texi (Inline): Update.
3346 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3347 * c-decl.c (current_extern_inline): Delete.
3348 (pop_scope): Adjust test for an undefined nested function.
3349 Add warning about undeclared inline function.
3350 (diagnose_mismatched_decls): Update comments. Disallow overriding
3351 of inline functions in a translation unit in C99. Allow inline
3352 declarations in C99 at any time.
3353 (merge_decls): Boolize variables. Handle C99 'extern inline'
3355 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3356 C99 inline semantics.
3357 (start_function): Don't clear current_extern_inline. Don't set
3359 (c_push_function_context): Don't push current_extern_inline.
3360 (c_pop_function_context): Don't restore current_extern_inline.
3363 * c-typeck.c (build_external_ref): Warn about static variables
3364 used in extern inline functions.
3365 * c-decl.c (start_decl): Warn about static variables declared
3366 in extern inline functions.
3368 2006-10-31 Roger Sayle <roger@eyesopen.com>
3371 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3372 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3373 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3374 or y is an even integer.
3376 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3379 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3380 * gthr-posix95.h (__gthread_active_p): Likewise.
3382 2006-10-31 Richard Guenther <rguenther@suse.de>
3384 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3385 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3386 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3387 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3388 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3389 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3390 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3391 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3394 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3396 * opts.c (decode_options): Disable CSE skip blocks.
3398 2006-10-30 Dirk Mueller <dmueller@suse.de>
3400 * c-common.h (strict_aliasing_warning): Fix whitespace.
3401 * c-decl (start_function): Move code for main decl warning ..
3402 * c-common.c (check_main_parameter_types): .. here.
3403 * c-common.h (check_main_parameter_types): Declare.
3405 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3408 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3410 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3412 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3413 be a PARALLEL containing sets. Return false when out_pat is not
3416 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3418 * config/mips/mips.md (mul<mode>3): Split into...
3419 (mulsi3, muldi3): ...these separate patterns.
3421 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3423 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3424 but with each set of options separated by spaces.
3426 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3428 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3429 dwarf_reg_size_table has been initialized.
3431 2006-10-30 Roger Sayle <roger@eyesopen.com>
3433 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3434 * ddg.c (print_ddg_edge): Likewise.
3435 * dwarf2out.c (prune_unused_types_walk): Likewise.
3436 * ifcvt.c (noce_try_cmove_arith): Likewise.
3437 * langhooks.c (add_builtin_function): Likewise.
3438 * reg-stack.c (subst_stack_regs_pat): Likewise.
3439 * tree.c (expanded_location): Likewise.
3440 * tree-dump.c (dequeue_and_dump): Likewise.
3442 2006-10-30 David Daney <ddaney@avtrex.com>
3444 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3446 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3448 PR tree-optimization/29637
3449 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3450 of the innertype is the innertype itself.
3452 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3454 * dwarf2out.c (file_name_acquire): Correct typo.
3456 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3458 * tree.h (tree_value_handle): Remove struct value_set declaration.
3459 Change value_set to bitmap_set.
3460 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3461 * tree-vn.c (get_value_handle): Made inline and moved to
3463 * tree-flow-inline.h: (has_stmt_ann): New function.
3464 * tree-ssa-pre.c (expressions): New variable.
3465 (next_expression_id): Ditto.
3466 (alloc_expression_id): New function.
3467 (struct value_set): Remove.
3468 (get_expression_id): New function.
3469 (get_or_alloc_expression_id): Ditto.
3470 (expression_for_id): Ditto.
3471 (clear_expression_ids): Ditto.
3472 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3473 (bb_value_sets): Renamed to bb_bitmap_sets.
3474 All value sets replaced with bitmap_sets.
3476 (BB_VISITED): New macro.
3477 (postorder): New variable.
3478 (add_to_value): Removed.
3479 (value_exists_in_set_bitmap): Ditto.
3480 (value_insert_into_set_bitmap): Ditto.
3483 (set_remove): Ditto.
3484 (set_contains_value): Ditto.
3485 (insert_into_set): Ditto.
3487 (find_leader): Ditto.
3488 (bitmap_set_subtract_from_value_set): Ditto.
3489 (value_insert_into_set): Ditto.
3490 (print_value_set): Ditto.
3491 (debug_value_set): Ditto.
3492 (constant_expr_p): New function.
3493 (bitmap_remove_from_set): Ditto.
3494 (bitmap_insert_into_set): Ditto.
3495 (bitmap_set_free): Ditto.
3496 (vh_compare): Ditto.
3497 (sorted_array_from_bitmap_set): Ditto.
3498 (bitmap_set_subtract): Ditto.
3499 (bitmap_set_equal): Ditto.
3500 (debug_bitmap_set): Ditto.
3501 (find_leader_in_sets): Ditto.
3502 (bitmap_set_replace_value): Modify for bitmapped sets.
3503 (phi_translate): Ditto.
3504 (phi_translate_set): Ditto.
3505 (bitmap_find_leader): Ditto.
3506 (valid_in_sets): Ditto.
3507 (union_contains_value): Ditto.
3509 (compute_antic_aux): Ditto. Mark changed blocks.
3510 (compute_antic): Ditto. Iterate in postorder and only over
3512 (compute_rvuse_and_antic_safe): Reuse postorder.
3513 (create_component_ref_by_pieces): Modify for bitmapped sets.
3514 (find_or_generate_expression): Ditto.
3515 (create_expression_by_pieces): Ditto.
3516 (insert_into_preds_of_block): Ditto.
3517 (changed_blocks): New variable.
3518 (do_regular_insertion): Broken out from insert_aux.
3519 (insert_aux): Modified for bitmapped sets.
3520 (find_existing_value_expr): New function.
3521 (create_value_expr_from): Use it.
3522 (insert_extra_phis): Removed.
3523 (print_bitmap_set): Renamed from bitmap_print_value_set.
3524 (compute_avail): Handle RETURN_EXPR.
3525 (init_pre): Modify for bitmapped sets.
3526 * tree-flow.h (has_stmt_ann): New function.
3528 2006-10-29 Roger Sayle <roger@eyesopen.com>
3530 * builtins.c (fold_builtin_floor): Check for the availability of
3531 the C99 trunc function before transforming floor into trunc.
3533 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3535 * builtins.c (fold_builtin_hypot): Rearrange recursive
3536 transformation before others, and also do ABS_EXPR. When
3537 necessary, check flag_unsafe_math_optimizations. When necessary,
3540 2006-10-29 Roger Sayle <roger@eyesopen.com>
3542 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3543 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3544 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3545 Fold -X eq/ne -Y as X eq/ne Y.
3547 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3549 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3550 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3551 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3552 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3553 Use an inclusive test for "mult" rather than "mul".
3554 (rotr<mode>3): Depend on ISA_HAS_ROR.
3555 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3557 (GENERATE_MULT3_DI): Delete.
3558 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3559 (ISA_HAS_MUL3): New macro.
3560 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3561 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3562 (ISA_HAS_CLZ_CLO): Likewise.
3563 (ISA_HAS_DCLZ_DCLO): Delete.
3564 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3565 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3566 the VR4120 and VR4130.
3567 (ISA_HAS_MACCHI): Use consistent formatting.
3568 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3569 (ISA_HAS_ROR): ...this new macro.
3570 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3571 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3572 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3574 2006-10-29 Roger Sayle <roger@eyesopen.com>
3576 PR tree-optimization/15458
3577 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3580 2006-10-29 Richard Guenther <rguenther@suse.de>
3582 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3583 (ix86_expand_truncdf_32): Likewise.
3584 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3585 trunc inline for SSE math and -fno-trapping-math and if not
3586 optimizing for size.
3587 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3588 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3589 for expanding btrunc inline for SSE math.
3591 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3593 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3594 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3595 i[34567]86-*-solaris2.1[0-9]*.
3596 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3597 Define conditionally depending on TARGET_64BIT_DEFAULT.
3598 (SPEC_32, SPEC_64): Define.
3599 (LINK_SPEC): Use them.
3600 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3602 2006-10-29 Richard Guenther <rguenther@suse.de>
3604 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3605 (ix86_expand_rounddf_32): Likewise.
3606 * config/i386/i386.c (ix86_expand_round): New function expanding
3607 round inline for SSE math and -fno-trapping-math and if not
3608 optimizing for size.
3609 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3610 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3611 round via ix86_expand_round.
3613 2006-10-29 Richard Guenther <rguenther@suse.de>
3615 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3616 (ix86_expand_floorceildf_32): Likewise.
3617 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3618 static helper function.
3619 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3621 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3622 * config/i386/i386.md (floordf2): Adjust to enable floor
3623 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3624 -fno-trapping-math is enabled and if not optimizing for size.
3625 (floorsf2, ceildf2, ceilsf2): Likewise.
3626 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3627 (sse2_maskcmpdf3): Likewise.
3629 2006-10-29 Richard Guenther <rguenther@suse.de>
3631 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3632 rint in case -fno-trapping-math is enabled.
3633 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3634 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3635 (ix86_expand_sse_fabs): Likewise.
3636 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3637 * config/i386/i386.md (rintdf2): Enable for SSE math if
3638 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3639 (rintsf2): Likewise.
3641 2006-10-29 Richard Guenther <rguenther@suse.de>
3643 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3644 to conversion optabs.
3645 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3646 as conversion optab.
3647 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3648 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3649 (lfloor_optab, lceil_optab): Adjust defines.
3650 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3651 lfloor and lceil optabs now being conversion optabs.
3652 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3653 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3654 New static helper function.
3655 (ix86_expand_lfloorceil): New function to expand lfloor and
3657 * config/i386/i386.md (lfloor<mode>2): Split into ...
3658 (lfloorxf<mode>2): ... x87 variant
3659 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3660 using ix86_expand_lfloorceil.
3661 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3663 * doc/md.texi (lfloorMN, lceilMN): Document.
3665 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3667 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3668 -mno-shared assembler option on mips targets.
3669 * configure, config.in: Regenerate.
3670 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3671 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3672 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3674 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3676 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3677 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3679 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3681 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3682 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3685 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3688 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3689 (fold_builtin_pow): Evaluate constant arguments at compile-time
3691 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3692 (do_mpfr_ckconv): New helper function.
3693 (do_mpfr_arg1): Use do_mpfr_ckconv.
3694 (do_mpfr_arg2): New.
3696 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3699 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3700 (-fdump-rtl-sched): Rename to ..
3701 (-fdump-rtl-sched1): here. Also fix file extension number.
3703 2006-10-28 Richard Guenther <rguenther@suse.de>
3705 * fold-const.c (maybe_canonicalize_comparison): Fix code
3708 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3710 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3711 (NON_QI_REG_P): Use IN_RANGE.
3712 (REX_INT_REGNO_P): Use IN_RANGE.
3713 (FP_REGNO_P): Use IN_RANGE.
3714 (SSE_REGNO_P): Use IN_RANGE.
3715 (REX_SSE_REGNO_P): Use IN_RANGE.
3716 (MMX_REGNO_P): Use IN_RANGE.
3717 (STACK_REGNO_P): New macro.
3718 (STACK_REG_P): Use STACK_REGNO_P.
3719 (NON_STACK_REG_P): Use STACK_REGNO_P.
3720 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3721 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3722 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3723 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3724 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3726 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3728 * except.h (output_function_exception_table): Add 'const char*' param.
3729 * except.c (switch_to_exception_section): Add 'const char*' param.
3730 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3731 and flag_function_sections is set, use a function-specific section.
3732 (output_function_exception_table): Add 'const char*' param.
3733 Adjust call to switch_to_exception_section.
3734 * final.c (rest_of_handle_final): Adjust calls to
3735 output_function_exception_table.
3736 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3737 * config.in: Regenerate.
3738 * configure: Likewise.
3740 2006-10-28 Richard Guenther <rguenther@suse.de>
3743 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3744 for maybe_canonicalize_comparison.
3745 (maybe_canonicalize_comparison): New function for canonicalizing
3747 (fold_comparison): Call it to canonicalize comparisons with
3750 2006-10-28 Richard Guenther <rguenther@suse.de>
3753 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3754 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3755 (expand_builtin): Adjust likewise.
3756 * genopinit.c (optabs[]): Add lround optab.
3757 * optabs.c (init_optabs): Initialize lround_optab.
3758 * optabs.h (enum convert_optab_index): Add COI_lround.
3759 (lround_optab): Define.
3760 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3761 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3763 (ix86_expand_lround): New function.
3764 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3766 * doc/md.texi (lroundMN2): Document.
3768 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3771 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3772 argument to HOST_WIDE_INT. Update function prototype.
3773 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3774 "size" argument to HOST_WIDE_INT. Update function prototype.
3776 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3778 * config/i386/i386.c (output_387_ffreep): Create output from a
3779 template string for !HAVE_AS_IX86_FFREEP.
3781 2006-10-27 Eric Christopher <echristo@apple.com>
3783 * config/darwin.c: Fix formatting and grammar.
3785 2006-10-27 Jan Hubicka <jh@suse.cz>
3787 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3788 to be thrown away soon when IGNORE is set.
3789 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3790 indicating when return value shall not be computed.
3791 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3793 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3795 * config/i386/i386.h (TARGET_GEODE):
3796 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3797 (TARGET_CPU_DEFAULT_geode): New macro.
3798 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3799 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3800 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3801 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3802 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3804 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3805 (processor_type): Add PROCESSOR_GEODE.
3807 * config/i386/i386.md: Include geode.md.
3810 * config/i386/i386.c (geode_cost): New initialized global
3812 (m_GEODE, m_K6_GEODE): New macros.
3813 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3814 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3815 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3816 x86_schedule): Use m_K6_GEODE instead of m_K6.
3817 (x86_movx, x86_cmove): Set up m_GEODE.
3818 (x86_integer_DFmode_moves): Clear m_GEODE.
3819 (processor_target_table): Add entry for geode.
3820 (processor_alias_table): Ditto.
3822 * config/i386/geode.md: New file.
3824 * doc/invoke.texi: Add entry about geode processor.
3826 2006-10-27 Mike Stump <mrs@apple.com>
3828 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3829 __DYNAMIC__ from here back to ...
3830 * config/darwin.h (CPP_SPEC): ... here.
3832 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3833 Nathan Sidwell <nathan@codesourcery.com>
3835 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3836 when choosing the minimum heapsize.
3838 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3840 * gcc/unwind-dw2.h: Move cfa-related variables into
3841 struct frame_state_reg_info to ensure that the CFA is properly
3842 handled when executing DW_CFA_{remember,restore}_state.
3843 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3844 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3845 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3846 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3847 gcc/config/rs6000/linux-unwind.h,
3848 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3849 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3850 Modify to use new cfa_* fields.
3852 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3854 * config/s390/s390.c (s390_init_frame_layout): Check positive
3857 2006-10-26 Ben Elliston <bje@au.ibm.com>
3859 * gimplify.c (get_name): Remove extraneous break.
3860 (gimplify_omp_for): Initialise ret with GS_OK.
3862 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3864 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3865 Add unix98.o to link line.
3867 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3870 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3871 Calculate compile-time constants using MPFR.
3872 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3873 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3875 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3877 * config/xtensa/lib2funcs.S: Use C-style comments.
3879 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3881 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3882 (file_table_relative_p): Likewise.
3883 (dwarf2out_finish): Likewise.
3884 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3886 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3888 * tree-ssa-structalias.c (intra_create_variable_infos):
3889 Don't recreate nonlocal_all if it already exists.
3891 2006-10-25 Richard Guenther <rguenther@suse.de>
3894 * optabs.h (enum optab_index): Remove OTI_lrint.
3895 (enum convert_optab_index): Add COI_lrint.
3896 (lrint_optab): Adjust.
3897 (expand_sfix_optab): Declare.
3898 * optabs.c (expand_sfix_optab): New function.
3899 (init_optabs): Init lrint_optab as conversion optab.
3900 * genopinit.c (lrint_optab): Change to a conversion optab.
3901 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3902 expansion via conversion optab.
3903 * config/i386/i386.md (*fistdi2_1): Remove
3904 flag_unsafe_math_optimizations guard.
3905 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3906 fist<mode>2_with_temp): Likewise.
3907 (lrint<mode>2): Split into...
3908 (lrintxf<mode>2): ... x87 part
3909 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3910 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3911 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3912 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3913 * doc/md.texi (lrintMN2): Document.
3915 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3918 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3919 Use inc and dec instructions for TARGET_USE_INCDEC.
3920 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3921 ("sync_double_compare_and_swap<mode>"): Likewise.
3922 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3923 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3924 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3925 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3926 ("sync_old_add<mode>"): Likewise.
3927 ("sync_lock_test_and_set<mode>"): Likewise.
3928 ("sync_lock_test_and_set<mode>"): Likewise.
3929 ("sync_add<mode>"): Likewise.
3930 ("sync_sub<mode>"): Likewise.
3931 ("sync_ior<mode>"): Likewise.
3932 ("sync_and<mode>"): Likewise.
3933 ("sync_xor<mode>"): Likewise.
3935 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3937 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3938 (remainder_optab): Define corresponding macro.
3939 (drem_optab): Remove.
3940 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3941 drem_optab initialization.
3942 * genopinit.c (optabs): Implement remainder_optab using
3943 remainder?f3 patterns. Remove drem_optab.
3944 * builtins.c (expand_builtin_mathfn_2): Handle
3945 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3946 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3947 expand_builtin_mathfn_2.
3949 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3950 depend on flag_unsafe_math_optimizations.
3952 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3953 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3954 Do not depend on flag_unsafe_math_optimizations. Use
3955 truncxf?f expander instead of truncxf?f_i387_noop.
3957 ("fpremxf4", "fprem1xf4"): Do not depend on
3958 flag_unsafe_math_optimizations.
3959 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3960 flag_unsafe_math_optimizations. Use truncxf?f expander
3961 instead of truncxf?f_i387_noop.
3963 * doc/md.texi (fmod, remainder): Document standard named pattern.
3965 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3966 David Daney <ddaney@avtrex.com>
3969 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3971 2006-10-25 Ben Elliston <bje@au.ibm.com>
3973 * doc/extend.texi (Variable Attributes): Typo fix.
3975 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3977 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3978 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3979 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3980 (FRAME_POINTER_REGNUM): Update register number to 21.
3981 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3982 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3984 * config/i386/i386.c (regclass_map): Add fpcr entry.
3985 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3987 (print_reg): Assert REGNO (x) != FPCR_REG.
3989 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3990 (DIRFLAG_REG): Renumber.
3991 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3992 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3993 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3994 hardcoded SSE register numbers.
3996 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3997 hardcoded MMX register numbers.
3999 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4002 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
4003 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
4005 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
4006 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
4007 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
4008 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
4010 2006-10-24 Richard Guenther <rguenther@suse.de>
4013 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
4014 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
4015 for deciding optimizations in consistency with fold-const.c
4016 (fold_builtin_unordered_cmp): Likewise.
4018 2006-10-24 Richard Guenther <rguenther@suse.de>
4020 * builtins.c (fold_builtin_floor): Fold floor (x) where
4021 x is nonnegative to trunc (x).
4022 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
4023 nonnegative to FIX_TRUNC_EXPR.
4025 2006-10-24 Richard Guenther <rguenther@suse.de>
4027 PR tree-optimization/29567
4028 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
4029 for TRUTH_NOT_EXPR. Clarify comments.
4031 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4034 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4035 at compile-time using MPFR. Change parameter VALUE to FUNC,
4037 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
4038 for overflow and underflow at all times and avoid folding in
4041 2006-10-24 Ben Elliston <bje@au.ibm.com>
4043 * reload1.c: Formatting fixes.
4045 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
4047 PR tree-optimization/14784
4048 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
4049 * tree-ssa-structalias.c (get_constraint_for,
4050 intra_create_variable_infos): Set is_heapvar.
4051 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
4052 non-heapvar pointer variables specially.
4054 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4057 * builtins.c (fold_builtin_sin, fold_builtin_cos,
4058 fold_builtin_tan): Fold all constant arguments. Take a "type"
4059 argument as necessary.
4060 (do_mpfr_arg1): New.
4061 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
4063 2006-10-23 Bob Wilson <bob.wilson@acm.org>
4065 * config/xtensa/lib1funcs.asm: Use C-style comments.
4067 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
4069 * tree.c (local_define_builtin): Replace calls to
4070 lang_hooks.builtin_function with add_builtin_function.
4071 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
4073 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
4075 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
4076 common code to add_builtin_function.
4077 * langhooks.c (add_builtin_function): New function.
4078 (lhd_builtin_function): New function.
4079 * langhooks.h (struct lang_hooks): Change the signature of
4081 (add_builtin_function): New function.
4082 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
4083 calls to lang_hooks.builtin_function with add_builtin_function.
4084 * c-common.c (decl_builtin_1): Replace calls to
4085 lang_hooks.builtin_function with add_builtin_function.
4086 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
4087 lang_hooks.builtin_function with add_builtin_function.
4088 * config/frv/frv.c (def_builtin): Replace calls to
4089 lang_hooks.builtin_function with add_builtin_function.
4090 * config/s390/s390.c (s390_init_builtins): Replace calls to
4091 lang_hooks.builtin_function with add_builtin_function.
4092 * config/sparc/sparc.c (def_builtin): Replace calls to
4093 lang_hooks.builtin_function with add_builtin_function.
4094 * config/i386/i386.c (def_builtin): Replace calls to
4095 lang_hooks.builtin_function with add_builtin_function.
4096 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
4097 lang_hooks.builtin_function with add_builtin_function.
4098 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
4099 lang_hooks.builtin_function with add_builtin_function.
4100 * config/stormy16/stormy16.c (xstormy16_init_builtins):
4101 Replace calls to lang_hooks.builtin_function with
4102 add_builtin_function.
4103 * config/iq2000/iq2000.c (def_builtin):
4104 Replace calls to lang_hooks.builtin_function with
4105 add_builtin_function.
4106 * config/ia64/ia64.c (def_builtin): Replace calls to
4107 lang_hooks.builtin_function with add_builtin_function.
4108 * config/rs6000/rs6000.c (def_builtin): Replace calls to
4109 lang_hooks.builtin_function with add_builtin_function.
4110 (altivec_init_builtins): Replace calls to
4111 lang_hooks.builtin_function with add_builtin_function.
4112 * config/arm/arm.c (def_mbuiltin): Replace calls to
4113 lang_hooks.builtin_function with add_builtin_function.
4114 (arm_init_tls_builtins): Replace calls to
4115 lang_hooks.builtin_function with add_builtin_function.
4116 * config/mips/mips.c (mips_init_builtins): Replace calls to
4117 lang_hooks.builtin_function with add_builtin_function.
4118 * config/bfin/bfin.c (def_builtin): Replace calls to
4119 lang_hooks.builtin_function with add_builtin_function.
4120 * langhooks-def.h (lhd_builtin_function): New function.
4121 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
4123 2006-10-23 Jakub Jelinek <jakub@redhat.com>
4125 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
4126 BUILT_IN_STRNCAT_CHK.
4128 2006-10-23 Jan Hubicka <jh@suse.cz>
4130 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
4131 don't do conversion from memmove to memcpy here.
4132 (expand_builtin_bcopy, expand_builtin): Update call of
4133 expand_builtin_memmove.
4134 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
4136 2006-10-23 Paul Brook <paul@codesourcery.com>
4138 * stor-layout.c (start_record_layout): maximum_field_alignment
4139 overrides STRUCTURE_SIZE_BOUNDARY.
4141 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
4143 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
4144 nonlocal function symbols if flag_pic.
4146 2006-10-23 Richard Guenther <rguenther@suse.de>
4150 * builtins.c (fold_binary): Remove checks for flag_wrapv
4151 and flag_trapv where negate_expr_p covers these cases.
4153 2006-10-23 Richard Guenther <rguenther@suse.de>
4156 * fold-const.c (fold_plusminus_mult_expr): Check exact power
4157 of two on the absolute value.
4158 (fold_binary): Fold x * -C to -x * C if x is easily negatable
4159 and negating -C does not overflow.
4161 2006-10-23 Richard Guenther <rguenther@suse.de>
4164 * convert.c (convert_to_real): Fold (float)-x to -(float)x
4165 only if not flag_rounding_math.
4167 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4168 Kaz Kojima <kkojima@gcc.gnu.org>
4171 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4172 SImode memory reference for the source of a movua.
4173 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4174 (movua): Use an unspec instead of sign_extract. Expect the source
4175 to have mode BLKmode.
4176 (extv, insv): Use a BLKmode rather than SImode memory reference
4177 for the source of a movua.
4179 2006-10-22 Jeff Law <law@redhat.com>
4180 Richard Guenther <rguenther@suse.de>
4182 PR tree-optimization/15911
4183 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4184 (register_edge_assert_for_1): Likewise.
4185 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4186 (find_conditional_asserts): Adjust for new function signature.
4187 (find_assert_locations): Likewise.
4189 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4191 * config/i386/tmmintrin.h: Remove the duplicated content.
4193 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4195 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4196 (x86_64-*-*): Likewise.
4198 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4199 (override_options): Check SSSE3.
4200 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4201 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4202 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4203 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4204 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4205 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4206 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4207 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4208 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4209 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4210 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4211 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4212 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4213 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4214 IX86_BUILTIN_PABSD128.
4215 (bdesc_2arg): Add SSSE3.
4216 (bdesc_1arg): Likewise.
4217 (ix86_init_mmx_sse_builtins): Support SSSE3.
4218 (ix86_expand_builtin): Likewise.
4219 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4221 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4222 (UNSPEC_PSIGN): Likewise.
4223 (UNSPEC_PALIGNR): Likewise.
4224 Include mmx.md before sse.md.
4226 * config/i386/i386.opt: Add -mssse3.
4228 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4229 (ssse3_phaddwv4hi3): Likewise.
4230 (ssse3_phadddv4si3): Likewise.
4231 (ssse3_phadddv2si3): Likewise.
4232 (ssse3_phaddswv8hi3): Likewise.
4233 (ssse3_phaddswv4hi3): Likewise.
4234 (ssse3_phsubwv8hi3): Likewise.
4235 (ssse3_phsubwv4hi3): Likewise.
4236 (ssse3_phsubdv4si3): Likewise.
4237 (ssse3_phsubdv2si3): Likewise.
4238 (ssse3_phsubswv8hi3): Likewise.
4239 (ssse3_phsubswv4hi3): Likewise.
4240 (ssse3_pmaddubswv8hi3): Likewise.
4241 (ssse3_pmaddubswv4hi3): Likewise.
4242 (ssse3_pmulhrswv8hi3): Likewise.
4243 (ssse3_pmulhrswv4hi3): Likewise.
4244 (ssse3_pshufbv16qi3): Likewise.
4245 (ssse3_pshufbv8qi3): Likewise.
4246 (ssse3_psign<mode>3): Likewise.
4247 (ssse3_psign<mode>3): Likewise.
4248 (ssse3_palignrti): Likewise.
4249 (ssse3_palignrdi): Likewise.
4250 (abs<mode>2): Likewise.
4251 (abs<mode>2): Likewise.
4253 * config/i386/tmmintrin.h: New file.
4255 * doc/extend.texi: Document SSSE3 built-in functions.
4257 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4259 2006-10-22 Ira Rosen <irar@il.ibm.com>
4261 * tree-vect-transform.c (vectorizable_load): Use the type of the
4262 return value of the mask_for_load builtin to create realign_load
4265 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4267 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4270 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4272 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4273 (UNSPEC_LDDQU): This.
4274 * config/i386/sse.md (sse3_lddqu): Updated.
4276 2006-10-21 Richard Guenther <rguenther@suse.de>
4278 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4279 (expand_builtin): Use it to expand lrint instead of
4280 expand_builtin_mathfn.
4282 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4285 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4286 flag_unsafe_math_optimizations is set.
4288 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4291 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4292 patterns to use memory input operand in x87->mem->XMM
4293 reload sequences. Skip transformation for TARGET_K8.
4295 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4297 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4298 force operand1 to register if both operands are memory operands.
4299 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4300 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4301 if both operands are memory operands.
4302 (truncdfsf2): Do not force operand1 to register if both operands
4303 are memory operands.
4305 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4307 * Makefile.in (LIBS): Add $(GMPLIBS).
4308 * doc/install.texi: Update GMP and MPFR requirements.
4309 * doc/sourcebuild.texi (need_gmp): Delete.
4311 2006-10-21 Richard Guenther <rguenther@suse.de>
4313 PR tree-optimization/3511
4314 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4315 got new invariant arguments during PHI translation.
4317 2006-10-21 Richard Guenther <rguenther@suse.de>
4320 * fold-const.c (fold_comparison): Fold signed comparisons
4321 of the form X +- C1 CMP Y +- C2.
4323 2006-10-21 Richard Guenther <rguenther@suse.de>
4326 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4327 if flag_unsafe_math_optimizations is specified. We have
4328 flag_finite_math_only for that.
4329 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4330 or flag_unsafe_math_optimizations.
4332 2006-10-21 Richard Guenther <rguenther@suse.de>
4334 * builtins.c (fold_builtin_classify): Fix typo.
4336 2006-10-21 Richard Guenther <rguenther@suse.de>
4339 * simplify-rtx.c (simplify_const_relational_operation):
4340 Do not constant-fold ORDERED and UNORDERED for
4341 flag_unsafe_math_optimizations but only we do not need to
4342 honor NaNs for the given mode.
4344 2006-10-21 Richard Guenther <rguenther@suse.de>
4347 * config/i386/i386.c (classify_argument): Remove redundant
4348 walking of the BINFOs.
4349 (contains_128bit_aligned_vector_p): Likewise.
4351 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4353 * BASE-VER: Set to 4.3.0.
4355 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4357 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4358 (tree_decl_with_vis): Remove artificial_pta_var flag.
4359 * tree-flow.h (referenced_var_check_and_insert): Expose.
4360 (nonlocal_all): New prototype.
4361 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4362 (nonlocal_all): Make global.
4363 (nonlocal_lookup): Remove.
4364 (nonlocal_insert): Ditto.
4365 (create_nonlocal_var): Do not call nonlocal_insert.
4366 (get_nonlocal_id_for_type): Remove.
4367 (find_global_initializers): Mark new vars we find for renaming.
4368 (intra_create_variable_infos): Only create one nonlocal.
4369 (expand_nonlocal_solutions): Remove.
4370 (compute_points_to_sets): Don't call it.
4371 (ipa_pta_execute): Ditto.
4372 (init_alias_heapvars): Don't create nonlocal_for_type.
4373 (delete_alias_heapvars): Don't remove it.
4374 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4377 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4379 * doc/install.texi (Downloading GCC): Clarify mention of
4380 Fortran in the "full distribution" description.
4382 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4384 Fix PR tree-optimization/28778
4385 Fix PR tree-optimization/29156
4386 Fix PR tree-optimization/29415
4387 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4388 (tree_decl_with_vis): Add artificial_pta_var flag.
4389 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4390 pushed into callers.
4391 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4392 (nonlocal_all): Ditto.
4393 (struct variable_info): Add directly_dereferenced member.
4394 (var_escaped_vars): New variable.
4395 (escaped_vars_tree): Ditto.
4396 (escaped_vars_id): Ditto.
4397 (nonlocal_vars_id): Ditto.
4398 (new_var_info): Set directly_dereferenced.
4399 (graph_size): New variable
4400 (build_constraint_graph): Use graph_size.
4401 (solve_graph): Don't process constraints that cannot change the
4402 solution, don't try to propagate an empty solution to our
4404 (process_constraint): Set directly_dereferenced.
4405 (could_have_pointers): New function.
4406 (get_constraint_for_component_ref): Don't process STRING_CST.
4407 (nonlocal_lookup): New function.
4408 (nonlocal_insert): Ditto.
4409 (create_nonlocal_var): Ditto.
4410 (get_nonlocal_id_for_type): Ditto.
4411 (get_constraint_for): Allow results vector to be empty in the case
4412 of string constants.
4413 Handle results of calls properly.
4414 (update_alias_info): Update alias info stats on number and type of
4416 (find_func_aliases): Use could_have_pointers.
4417 (make_constraint_from_escaped): Renamed from
4418 make_constraint_to_anything, and changed to make constraints from
4420 (make_constraint_to_escaped): New function.
4421 (find_global_initializers): Ditto.
4422 (create_variable_info_for): Make constraint from escaped to any
4423 global variable, and from any global variable to the set of
4425 (intra_create_variable_infos): Deal with escaped instead of
4426 pointing to anything.
4427 (set_uids_in_ptset): Do type pruning on directly dereferenced
4429 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4430 (init_base_vars): Fix comment, and initialize escaped_vars.
4431 (need_to_solve): Removed.
4432 (find_escape_constraints): New function.
4433 (expand_nonlocal_solutions): Ditto.
4434 (compute_points_to_sets): Call find_escape_constraints and
4435 expand_nonlocal_solutions.
4436 (delete_points_to_sets): Don't fall off the end of the graph.
4437 (init_alias_heapvars): Initialize nonlocal_for_type and
4439 (delete_alias_heapvars): Free nonlocal_for_type and null out
4442 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4444 * fold-const.c (add_double): Rename to add_double_with_sign.
4445 Add 'unsigned_p' parameter and take it into account for the overflow.
4446 (mul_double): Rename to mul_double_with_sign.
4447 Add 'unsigned_p' parameter and take it into account for the overflow.
4448 (fold_div_compare): Call add_double_with_sign instead of add_double
4449 and mul_double_with_sign instead of mul_double, passing them the
4450 unsignedness of the type.
4451 * tree.h (add_double): Macroize.
4452 (add_double_with_sign): New prototype.
4453 (mul_double): Macroize.
4454 (mul_double_with_sign): New prototype.
4456 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4458 * config/score/crti.asm: New file.
4459 * config/score/crtn.asm: New file.
4460 * config/score/elf.h: New file.
4461 * config/score/mac.md: New file.
4462 * config/score/misc.md: New file.
4463 * config/score/mul-div.S: New file.
4464 * config/score/predicates.md: New file.
4465 * config/score/score7.md: New file.
4466 * config/score/score.c: New file.
4467 * config/score/score-conv.h: New file.
4468 * config/score/score.h: New file.
4469 * config/score/score.md: New file.
4470 * config/score/score-mdaux.c: New file.
4471 * config/score/score-mdaux.h: New file.
4472 * config/score/score-modes.def: New file.
4473 * config/score/score.opt: New file.
4474 * config/score/score-protos.h: New file.
4475 * config/score/score-version.h: New file.
4476 * config/score/t-score-elf: New file.
4477 * config.gcc: Add score*-*-* configurations(Update before).
4478 * doc/invoke.texi (Score Options): New section.
4479 * doc/md.texi (Score family): New section to document constraints.
4481 2006-10-19 Nick Clifton <nickc@redhat.com>
4483 * config/arm/arm.c: Fix spelling typo.
4485 2006-10-18 Tom Tromey <tromey@redhat.com>
4487 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4489 2006-10-18 Jan Hubicka <jh@suse.cz>
4492 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4495 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4497 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4498 TSI_SAME_STMT, since that's the desired entity.
4500 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4502 * config/s390/contraints.md: New file.
4503 * config/s390/s390-protos.h (s390_mem_constraint,
4504 s390_O_constraint_str, s390_N_constraint_str,
4505 s390_float_const_zero_p): Function prototypes added.
4506 * config/s390/s390.c (s390_extra_constraint_str,
4507 s390_const_double_ok_for_constraint_p,
4508 s390_const_ok_for_constraint_p): Functions removed.
4509 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4510 s390_float_const_zero_p): New functions.
4511 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4512 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4513 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4514 Macro definitions removed.
4515 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4516 s390_extra_constraint_str): Functions removed.
4518 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4519 Richard Sandiford <richard@codesourcery.com>
4522 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4523 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4525 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4527 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4528 (DWARF2_FRAME_REG_OUT): Likewise.
4529 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4530 (DWARF2_FRAME_REG_OUT): Likewise.
4532 2006-10-17 Paul Brook <paul@codesourcery.com>
4534 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4536 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4538 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4539 Standardize on "GNU Fortran" as the official name of the Fortran
4542 2006-10-16 Mike Stump <mrs@apple.com>
4544 * doc/invoke.texi (Darwin Options): Document -mkernel.
4545 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4547 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4548 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4549 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4550 (OS_MISSING_ALTIVEC): Add.
4551 * config/i386/i386.c (override_options): Add
4552 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4553 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4554 -mkernel, -static or -mdynamic-no-pic is given.
4555 (C_COMMON_OVERRIDE_OPTIONS): Add.
4556 * config/darwin.opt (fapple-kext): Add.
4558 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4559 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4561 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4562 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4563 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4564 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4565 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4566 (flag_mkernel): Add.
4567 (flag_apple_kext): Add.
4568 (TARGET_KEXTABI): Add.
4569 * config/darwin.c (darwin_handle_kext_attribute): Add.
4570 (DARWIN_VTABLE_P): Add.
4571 (darwin_binds_local_p): Add partial support for rebinding vtables
4573 (darwin_kextabi_p): Add.
4574 (darwin_override_options): Add.
4575 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4576 (darwin_kextabi_p): Add.
4577 (darwin_override_options): Add.
4578 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4579 __DYNAMIC__ and __STATIC__ here.
4581 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4583 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4584 Added mention of "make pdf" target, and Texinfo requirements for
4587 2006-10-16 DJ Delorie <dj@redhat.com>
4589 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4590 into the GOT in case we need a subreg of the address.
4592 2006-10-16 Richard Guenther <rguenther@suse.de>
4595 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4596 SSE builtin documentation. Document SSE2 builtins.
4598 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4600 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4601 symbol in the output file for non-shared links when -nostdlib or
4602 -nodefaultlibs isn't specified.
4604 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4605 posix thread support.
4607 2006-10-15 Jan Hubicka <jh@suse.cz>
4610 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4611 declared always_inline even when not inlining.
4613 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4614 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4615 Andrew Pinski <pinskia@gmail.com>
4618 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4620 2006-10-15 Jan Hubicka <jh@suse.cz>
4621 Richard Guenther <rguenther@suse.de>
4624 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4625 process_function_and_variable_attributes on all variables, including
4626 those discovered during cgraph construction phase.
4628 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4630 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4632 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4634 * config/i386/athlon.md (athlon_fist): Add fisttp.
4636 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4637 Ian Lance Taylor <ian@airs.com>
4640 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4641 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4644 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4646 * config/score/score.c, config/score/score.h: Fix comment
4649 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4652 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4655 2006-10-13 Eric Christopher <echristo@apple.com>
4657 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4659 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4662 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4663 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4664 alignment supported by 32-bit ELF.
4666 2006-10-13 Eric Christopher <echristo@apple.com>
4668 * config/darwin.c (darwin_emit_unwind_label): Strip
4669 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4671 2006-10-13 Richard Guenther <rguenther@suse.de>
4673 PR tree-optimization/29446
4674 * tree-vrp.c (fix_equivalence_set): Remove.
4675 (extract_range_from_assert): Do not call fix_equivalence_set.
4676 (debug_value_range): Print a newline.
4677 (compare_name_with_value): For equivalence sets with
4678 inconsistent value ranges conservatively bail out.
4679 (compare_names): Likewise.
4681 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4683 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4684 and MPFR for gfortran.
4686 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4688 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4689 alignment supported by 32-bit ELF.
4691 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4695 * c-typeck.c (digest_init): Always allow initializing vectors
4696 that have static storage duration with compound literals.
4697 * tree.c (build_type_attribute_qual_variant): New, based on
4698 build_type_attribute_variant.
4699 (build_type_attribute_variant): Rewrite using the former.
4700 (make_vector_type): Use build_type_attribute_qual_variant to build
4701 type variants. Use type_hash_canon on the others.
4703 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4704 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4706 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4708 2006-10-12 Jan Hubicka <jh@suse.cz>
4711 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4712 current_function_decl is set but current_function_scope is not.
4714 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4716 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4717 emit_insn to emit eh_return_internal instruction.
4718 (eh_return_internal): Explicitly set pc.
4720 2006-10-11 Richard Guenther <rguenther@suse.de>
4722 PR tree-optimization/28230
4723 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4724 to the correct place.
4726 2006-10-11 Richard Guenther <rguenther@suse.de>
4729 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4732 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4734 * configure.ac: Added pdf to "Make-hooks"
4735 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4736 targets and *.pdf file patterns in cleanup targets.
4737 * configure: Regenerated.
4739 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4741 * config/avr/predicates.md: New file.
4742 * config/avr/avr.md: Include it.
4743 (REG_SP): New constant.
4744 (peepholes): Use predicates.
4745 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4746 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4747 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4749 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4751 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4754 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4757 * builtins.c (var_decl_component_p): New function.
4758 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4759 single entry optimization to variables and components thereof.
4761 2006-10-10 Richard Guenther <rguenther@suse.de>
4763 PR rtl-optimization/29323
4764 * except.c (set_nothrow_function_flags): For functions
4765 that do not bind local bail out early.
4767 2006-10-10 Ben Elliston <bje@au.ibm.com>
4769 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4772 2006-10-09 Richard Henderson <rth@redhat.com>
4774 Revert emutls patch.
4776 2006-10-09 Richard Guenther <rguenther@suse.de>
4779 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4782 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4785 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4786 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4787 * configure: Regenerate.
4788 * config.in: Regenerate.
4790 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4792 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4794 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4796 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4797 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4798 Remove stray newline.
4800 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4802 * config/mips/mips.c (mips_classify_symbol): Do not return
4803 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4804 (mips_in_small_data_p): Tweak comments.
4806 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4808 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4810 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4812 * gimplify.c, sched-int.h: Fix comment typos.
4814 * sched-int.h: Fix comment typos.
4816 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4818 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4820 * sched-ebb.c (begin_schedule_ready): Use them.
4821 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4822 add_to_speculative_block, create_check_block_twin, speculate_insn,
4823 fix_jump_move, move_block_after_check): Ditto.
4824 * sched-rgn.c (new_ready): Ditto.
4826 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4828 PR rtl-optimization/29128
4829 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4830 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4831 allow interblock movement of speculation checks.
4833 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4836 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4837 casted to integer type.
4838 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4839 if they are significantly more expensive than [reg + index] ones.
4841 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4843 PR tree-optimization/29330
4844 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4845 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4846 on newly allocated ddrs.
4847 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4848 to VEC (loop_p, heap) pointer.
4849 (compute_data_dependences_for_loop): Adjust caller.
4850 (free_dependence_relations): Free DDR_LOOP_NEST.
4852 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4853 free DEPENDENCE_RELATIONS and DATAREFS.
4856 * builtins.c (expand_builtin_sync_operation,
4857 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4858 Use convert_to_mode to handle promoted arguments.
4860 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4862 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4864 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4866 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4868 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4870 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4871 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4872 Use <modeconstraint> instead of "r" as operand 1 constraint.
4874 2006-10-06 Olivier Hainque <hainque@adacore.com>
4876 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4877 Don't recurse on the pointed-to type.
4878 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4879 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4880 types with components of variable size.
4882 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4884 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4886 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4888 PR tree-optimization/29290
4889 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4893 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4894 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4897 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4898 the number of vector elements fill the rest with zeros.
4900 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4902 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4903 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4906 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4908 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4909 unnamed pattern into subsi3. Use correct constraints/predicates.
4910 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4911 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4913 2006-10-05 Ira Rosen <irar@il.ibm.com>
4915 * doc/loop.texi: Add data references analysis description.
4917 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4919 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4921 2006-10-04 Richard Henderson <rth@redhat.com>
4922 Jakub Jelinek <jakub@redhat.com>
4924 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4925 * builtin-types.def (BT_WORD): Make unsigned.
4926 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4927 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4928 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4929 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4930 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4931 * cgraph.c (decide_is_variable_needed): Look at force_output.
4932 Recurse for emulated tls.
4933 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4934 checks redundant with decide_is_variable_needed.
4935 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4936 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4938 * expr.c (emutls_var_address): New.
4939 (expand_expr_real_1): Expand emulated tls.
4940 (expand_expr_addr_expr_1): Likewise.
4941 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4942 * output.h (emutls_finish): Declare.
4943 * toplev.c (compile_file): Call it.
4944 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4945 address before wrapping in CONST.
4946 * varasm.c (emutls_htab, emutls_object_type): New.
4947 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4948 (get_emutls_object_name, get_emutls_object_type): New.
4949 (get_emutls_init_templ_addr, emutls_decl): New.
4950 (emutls_common_1, emutls_finish): New.
4951 (assemble_variable): When emulating tls, swap decls; generate
4952 constructor for the emutls objects.
4953 (do_assemble_alias): When emulating tls, swap decl and target name.
4954 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4956 * emutls.c: New file.
4957 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4958 tls_object for real tls.
4960 2006-10-04 Zack Weinberg <zackw@panix.com>
4962 Fix bug in constraint-check generator, reported by Rask Ingemann
4964 * genpreds.c (add_constraint): Don't remove anything from the
4966 (write_tm_constrs_h): Detect whether "op" argument is used, and
4967 mark it ARG_UNUSED if it isn't.
4968 (write_insn_const_int_ok_for_constraint): Skip the part of the
4969 expression that would test whether "op" (which is not available
4970 here) is a CONST_INT.
4972 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4975 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4977 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4979 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4980 current Leopard versions.
4981 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4983 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4985 * doc/install.texi: Fix typos.
4987 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4989 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4990 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4991 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4993 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4995 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4996 arg to be struct mach_header_64* instead.
4998 2006-10-02 Jakub Jelinek <jakub@redhat.com>
5001 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
5002 side effects after the outer expression's post side effects.
5004 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
5006 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
5007 comments to reflect actual behavior and relationship between
5008 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
5010 * doc/c-tree.texi (Working with declarations): Fix documentation
5011 of FIELD_DECL likewise.
5013 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
5016 * doc/extend.texi: Add used variable attribute description.
5018 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
5021 * c.opt (Woverride-init): New.
5022 * c-opts.c (c_common_post_options): Default warn_override_init to
5024 * c-typeck.c (add_pending_init, output_init_element): Warn for
5025 overriding initializers without side effects.
5026 * doc/invoke.texi (-Woverride-init): Document.
5029 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
5031 PR rtl-optimization/28096
5032 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
5033 assignment has already been used as a destination earlier in the block.
5035 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
5037 * builtins.c (expand_builtin_setjmp): Delete.
5038 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
5039 <BUILT_IN_SETJMP_SETUP>: New case.
5040 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
5041 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
5042 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
5043 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
5044 (BUILT_IN_SETJMP_RECEIVER): Likewise.
5045 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
5046 (lower_function_body): Initialize it to false. If it is set to true
5047 at the end of the processing, emit the setjmp dispatcher.
5048 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
5049 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
5050 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
5051 on the rhs of the assignment.
5052 (lower_builtin_setjmp): New function.
5053 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
5054 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
5055 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
5056 to detect calls that can go to non-local labels. Use specific
5057 helper to create the abnormal edges associated with them.
5058 <MODIFY_EXPR>: Likewise.
5059 (make_abnormal_goto_edges): New function extracted from...
5060 (make_goto_expr_edges): ...here. Call it for computed gotos.
5061 (simple_goto_p): Minor tweak.
5062 (tree_can_make_abnormal_goto): New predicate.
5063 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
5064 (tree_purge_dead_abnormal_call_edges): New function.
5065 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
5066 (tree_purge_dead_abnormal_call_edges): Likewise.
5067 (make_abnormal_goto_edges): Likewise.
5068 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
5069 Purge all dead abnormal edges if the call was in the last statement.
5070 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
5071 (execute_fixup_cfg): If there are non-local labels in the function,
5072 scan the basic blocks and split them at calls that can go to non-local
5073 labels or add missing abnormal call edges. Write down the CFG in the
5075 (pass_fixup_cfg): Remove TODO_dump_func flag.
5076 * unwind-sjlj.c: Poison setjmp.
5077 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
5078 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
5079 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
5080 (DONT_USE_BUILTIN_SETJMP): Document it.
5082 2006-09-28 Geoffrey Keating <geoffk@apple.com>
5085 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
5086 to 1 when __ppc64__ is defined.
5087 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
5089 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
5091 2006-09-28 Steve Ellcey <sje@cup.hp.com>
5093 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
5094 * config/ia64/unwind-hpux.c: Delete.
5096 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
5098 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
5099 on the element before gimplifying it, instead of punting if it is of
5102 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
5104 * doc/loop.texi: New file.
5105 * doc/gccint.texi: Reference loop.texi.
5106 * Makefile.in (loop.texi): Add.
5108 2006-09-27 Geoffrey Keating <geoffk@apple.com>
5110 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
5112 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5113 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5115 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
5117 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
5119 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
5121 * doc/install.texi: Document required versions of GMP and MPFR.
5123 2006-09-27 Paul Brook <paul@codesourcery.com>
5126 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
5128 2006-09-27 Richard Sandiford <richard@codesourcery.com>
5130 * reload1.c (alter_reg): Require the alignment of the stack slot to
5131 be at least reg_max_ref_width bytes.
5132 (scan_paradoxical_subregs): Record the largest width in
5135 2006-09-26 Jakub Jelinek <jakub@redhat.com>
5139 * tree-nested.c (struct nesting_info): Added static_chain_added.
5140 (convert_call_expr): Set static_chain_added when adding static
5141 chain. Handle OMP_PARALLEL and OMP_SECTION.
5143 2006-09-25 Matthias Klose <doko@debian.org>
5145 * doc/invoke.texi: Add missing full stop.
5147 2006-09-25 Richard Henderson <rth@redhat.com>
5149 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
5150 before cgraph_function_flags_ready.
5152 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
5153 Adam Nemet <anemet@caviumnetworks.com>
5155 * tree-ssa-loop-ivopts.c (aff_combination_convert,
5156 determine_common_wider_type): New functions.
5157 (get_computation_aff): Use them to simplify arithmetic between
5158 UBASE and CBASE if they are shortened from the same type.
5160 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
5163 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
5164 -2147483647 - 1 instead of 0x80000000.
5166 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
5168 * flags.h (HONOR_NANS): Fix typo in comment.
5170 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5172 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5174 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5178 * tree.c (merge_attributes, attribute_list_contained): If both
5179 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5181 * c-typeck.c (comptypes_internal): Don't consider aggregates
5182 in different TUs as compatible if there one set of attributes is
5183 not a subset of the other type's attributes.
5184 (composite_type): Try harder not to create a new aggregate type.
5186 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5188 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5189 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5190 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5191 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5192 than replicating condition above.
5193 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5195 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5196 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5197 the linker by default.
5199 2006-09-22 Mike Stump <mrs@apple.com>
5201 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5204 2006-09-22 Richard Guenther <rguenther@suse.de>
5207 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5208 sort of stack variables stable.
5210 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5213 * explow.c (force_reg): Set REG_POINTER flag according to
5216 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5218 PR tree-optimization/28888
5219 * tree-if-conv.c (combine_blocks): Rewritten.
5220 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5221 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5223 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5225 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5228 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5230 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5232 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5234 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5236 2006-09-21 Roger Sayle <roger@eyesopen.com>
5239 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5240 dw_fde_current_label, to be the start of the function, i.e. the same
5241 value as dw_fde_begin.
5243 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5245 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5246 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5247 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5248 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5249 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5250 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5251 (abs<mode>2, neg<mode>2): Likewise.
5252 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5253 (*mips_abs_ps): New define_insn.
5255 2006-09-20 Josh Conner <jconner@apple.com>
5258 * calls.c (expand_call): Allow reuse of structure return stack
5261 2006-09-20 Paul Brook <paul@codesourcery.com>
5263 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5266 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5268 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5269 clean up terminology.
5271 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5274 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5275 with tablejumps in them.
5277 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5280 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5281 wrap it into TARGET_EXPR.
5283 2006-09-20 Eric Christopher <echristo@apple.com>
5285 * config/i386/i386.c (x86_fisttp): Remove.
5286 * config/i386/i386.h (x86_fisttp): Ditto.
5287 (TARGET_FISTTP): Ditto.
5289 2006-09-19 Eric Christopher <echristo@apple.com>
5291 * doc/tm.texi (OBJC_JBLEN): Describe.
5292 * config/i386/darwin.h (OBJC_JBLEN): Define.
5293 * config/rs6000/darwin.h: Ditto.
5295 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5297 PR rtl-optimization/21299
5298 * reload1.c (reload): Purge invalid ASMs in the final pass.
5300 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5303 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5304 pointers as legitimate constants.
5306 2006-09-19 Paul Brook <paul@codesourcery.com>
5309 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5311 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5313 PR tree-optimization/28887
5314 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5315 component parts from the reference.
5316 (gather_memory_references_ref): Record the reference without the
5317 nonaddressable component parts.
5319 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5322 * c-opts.c (c_common_handle_option): Ignore the -std options
5323 if the input language is assembly.
5325 2006-09-17 Ira Rosen <irar@il.ibm.com>
5328 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5330 (ptr_ptr_may_alias_p): Likewise.
5331 (record_record_differ_p): New function.
5332 (base_object_differ_p): Call record_record_differ_p.
5334 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5337 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5338 away for the expr argument.
5340 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5343 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5344 before using it for dumping after vectorizing loops.
5346 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5347 Jack Howarth <howarth@bromo.med.uc.edu>
5350 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5351 skip on error_mark_node.
5352 (rs6000_darwin64_record_arg_recurse): Likewise.
5354 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5356 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5357 * doc/rtl.texi: Remove related documentation.
5359 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5361 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5364 2006-09-15 Jim Wilson <wilson@specifix.com>
5366 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5367 Handle symbol offsets same as they are handled in ia64_expand_move
5370 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5372 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5373 Add forgotten parameter to the fprintf call.
5375 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5377 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5379 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5381 * doc/contrib.texi: Add my entry.
5383 2006-09-15 Nick Clifton <nickc@redhat.com>
5385 * doc/md.texi (Processor pipeline description): Fix typo in
5386 example of how to use the absence_set directive and reword the
5387 description to make it slightly easier to read.
5389 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5391 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5392 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5393 expanding the number of iterations.
5394 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5396 * cfgrtl.c (emit_insn_at_entry): New function.
5397 * rtl.h (emit_insn_at_entry): Declare it.
5398 * integrate.c (emit_initial_value_sets): Use it.
5400 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5402 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5404 (struct loop_work and related VEC declarations): Delete.
5405 (bfin_dump_loops): Print out new member bad.
5406 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5407 (bfin_scan_loop): Don't recurse.
5408 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5409 loops. No longer need to update outer loops if the current one is
5410 found bad. Move some validitiy checks to bfin_discover_loop.
5411 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5412 but changed not to check for nesting. Also changed to use the new bad
5414 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5415 time. Use bitmap based test to discover loop nesting.
5417 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5419 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5422 2006-09-14 Richard Guenther <rguenther@suse.de>
5423 Kazu Hirata <kazu@codesourcery.com>
5425 PR middle-end/28884.
5426 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5427 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5428 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5429 with TARGET_FUNCTION_VALUE.
5431 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5434 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5436 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5438 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5441 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5444 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5447 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5449 * basic_block.h (bb_has_eh_pred): Fix comment.
5451 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5453 * flow.c (calculate_global_regs_live): Invalidate eh registers
5454 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5455 (propagate_block): Handle eh registers as if they were set at basic
5457 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5459 * global.c (global_conflicts): Make eh registers to conflict with
5460 pseudos live at basic block begin.
5461 * basic_block.h (bb_has_eh_pred): New function.
5463 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5465 PR rtl-optimization/28982
5466 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5467 index of a PRE_MODIFY or POST_MODIFY address.
5468 * reload1.c (inc_for_reload): Use find_replacement on the original
5469 base and index registers.
5471 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5473 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5474 for -Os. Update __m128 alignment requirement.
5476 2006-09-13 Jan Hubicka <jh@suse.cz>
5478 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5480 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5482 PR rtl-optimization/28243
5483 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5484 the insn to which the note was originally attached.
5486 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5487 Roger Sayle <roger@eyesopen.com>
5489 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5490 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5491 on platforms that don't use dwarf for debug info.
5493 2006-09-12 Jason Merrill <jason@redhat.com>
5496 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5497 hard_frame_pointer_rtx after using it to update the frame pointer.
5499 2006-09-12 Roger Sayle <roger@eyesopen.com>
5501 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5502 (TARGET_ASM_CLOSE_PAREN): Likewise.
5503 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5504 (TARGET_ASM_CLOSE_PAREN): Likewise.
5506 2006-09-12 Roger Sayle <roger@eyesopen.com>
5509 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5510 frame information for frames larger than 512 Kbytes on Tru64 when
5511 using the native assembler.
5513 2006-09-12 Roger Sayle <roger@eyesopen.com>
5517 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5518 and symbols. Instead use the implementation from cse.c's hash_rtx.
5520 2006-09-12 Jan Hubicka <jh@suse.cz>
5522 PR rtl-optimization/28071
5523 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5524 (vect_transform_loop): Likewise.
5525 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5526 (new_loop_vec_info): Likewise.
5527 (destroy_loop_vec_info): Likewise.
5528 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5529 (create_stmt_ann): Likewise.
5530 (create_tree_ann): Rename to ...
5531 (create_tree_common_ann): ... this one; allocate only the common part
5533 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5534 (get_value_handle): Likewise.
5535 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5536 get_tree_common_ann.
5537 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5538 (vinfo_for_stmt): Use stmt annotations.
5539 * tree-flow.h (tree_ann_common_t): New type.
5540 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5541 (tree_ann, get_tree_ann, create_tree_ann): New.
5542 * tree-flow-inline.h (get_function_ann): Do more type checking.
5543 (stmt_ann): Likewise.
5544 (tree_ann): Rename to ...
5545 (tree_common_ann): ... this one; return ony common_ann
5546 (get_tree_ann): Rename to ...
5547 (tree_common_ann): This one; return only common_ann.
5548 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5551 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5553 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5554 with_cpu by default.
5556 * dwarf2out.c (dwarf_file_data): New.
5557 (enum dw_val_class): Add dw_val_class_file.
5558 (struct dw_val_struct): Add val_file.
5559 (file_table): Change to a hash table.
5560 (file_table_emitted): Delete.
5561 (file_table_last_lookup_index): Delete.
5562 (emitcount): Delete.
5563 (last_emitted_file): New.
5564 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5565 (init_file_table): Delete.
5566 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5567 (AT_addr): Add comment.
5571 (print_die): Handle dw_val_class_file.
5572 (print_dwarf_line_table): Update for new file table structure.
5573 (attr_checksum): Do checksum a filename.
5574 (same_dw_val_p, same_attr_p): Do compare a filename.
5575 (size_of_die): Handle dw_val_class_file.
5576 (value_format): Likewise.
5577 (output_die): Likewise. Also, call maybe_emit_file here.
5578 (struct file_info): Constify filenames. Make file_idx a pointer
5579 to a struct dwarf_file_data.
5580 (struct dir_info): Constify directory names. Remove 'used' field.
5581 (struct file_name_acquire_data): New.
5582 (file_name_acquire): New.
5583 (output_file_names): Modify to handle new file data structures.
5584 (add_src_coords_attributes): Use add_AT_file.
5585 (add_call_src_coords_attributes): Likewise.
5586 (dwarf2out_imported_module_or_decl): Likewise.
5587 (gen_subprogram_die): Modify for new file data structures.
5588 (gen_variable_die): Likewise.
5589 (file_table_eq): New.
5590 (file_table_hash): New.
5591 (file_table_last_lookup): New.
5592 (lookup_filename): Rewrite to handle new file data structures.
5593 (maybe_emit_file): Rewrite to handle new file data structures.
5594 (dwarf2out_source_line): Always call lookup_filename and
5596 (dwarf2out_init): Create file_table here.
5597 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5598 (file_table_relative_p): New.
5599 (dwarf2out_finish): Change detection of relative filenames
5600 to work with new file data structures. Move output_line_info call
5601 after debug_info output.
5603 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5608 * config/i386/i386.c (override_options): Always default to 16
5609 byte stack boundary.
5611 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5614 * var-tracking.c (dump_dataflow_set): Start dumping at
5616 (clobber_variable_part): Kill only the variable part in
5617 registers holding it, leaving other variables alone.
5619 2006-09-11 Josh Triplett <josh@freedesktop.org>
5621 * doc/extend.texi (Other Builtins): Actually use the macro
5622 argument in the documentation example for
5623 __builtin_types_compatible_p.
5625 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5627 PR rtl-optimization/28726
5628 * sched-deps.c (sched_analyze_reg): New function extracted from...
5629 (sched_analyze_1): ...here. Call it to analyze references to
5630 registers. Treat again writes to a stack register as writing to the
5632 (sched_analyze_2): ...and here. Call it to analyze references to
5633 registers. Treat again reads of a stack register as reading the
5636 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5637 David Edelsohn <edelsohn@gnu.org>
5640 * config/rs6000/spe.md (frob_df_di): Remove %H.
5641 (frob_di_df): Remove %H. Change evmergelo to mr.
5642 (frob_di_df_2): Remove %H. Change evldd to two loads.
5644 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5646 * doc/cpp.texi: Fix names of charset options.
5648 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5651 * config/i386/i386.c (override_options): Use 128-bit
5652 stack boundary always for 64bits.
5654 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5656 PR rtl-optimization/28636
5657 * combine.c (force_to_mode): Test for side-effects before
5658 substituting by zero.
5659 (simplify_shift_const): Likewise for zero or other constants.
5661 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5664 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5667 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5670 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5671 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5672 returned by mode_for_size, rather than the mode of src itself,
5673 to choose between 32-bit and 64-bit patterns.
5674 (mips_mem_fits_mode_p): New function.
5675 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5676 that the size of the source matches the size of the destination.
5677 (mov_<store>l, mov_<store>r): Likewise.
5679 2006-09-10 Eric Christopher <echristo@apple.com>
5681 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5684 2006-09-09 Eric Christopher <echristo@apple.com>
5687 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5690 2006-09-09 Roger Sayle <roger@eyesopen.com>
5691 Nicolas Setton <setton@adacore.com>
5693 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5695 2006-09-10 Andreas Schwab <schwab@suse.de>
5697 * config/m68k/m68k.md (bungt_rev): New pattern.
5699 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5700 Dale Johannesen <dalej@apple.com>
5703 * regclass.c (struct reg_pref): Update documentation.
5704 (regclass): Set prefclass to NO_REGS if memory is the best option.
5705 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5707 2006-09-08 Eric Christopher <echristo@apple.com>
5709 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5710 * config/t-slibgcc-darwin: Support x86_64 multilib.
5711 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5712 Return 1 for x86_64-darwin.
5713 * config/i386/t-darwin: Add m64 multilib.
5714 (LIB2_SIDITI_CONV_FUNCS): Use.
5715 (LIB2FUNCS_EXTRA): Ditto.
5716 * config/i386/darwin.h: Support x86_64.
5717 * config/i386/i386.c (override_options): Turn on flag_pic
5718 for x86_64-darwin. Disable flag_omit_pointer.
5719 (get_pc_thunk_name): Assert !TARGET_64BIT.
5720 (legitimate_address_p): Disable machopic addressing for
5722 (legitimize_pic_address): Ditto.
5723 (ix86_expand_move): Ditto.
5724 (ix86_expand_call): Ditto.
5725 (machopic_output_stub): Ditto.
5726 * config/darwin.c (machopic_select_section): Support literal16.
5727 (machopic_select_rtx_section): Ditto.
5728 * config/darwin-sections.def: Ditto.
5729 * config/darwin-64.c: New.
5731 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5734 * c-tree.h (struct c_arg_info): Add pending_sizes.
5735 * c-parser.c (c_parser_parms_declarator,
5736 c_parser_parms_list_declarator): Initialize pending_sizes.
5737 * c-decl.c (get_parm_info): Initialize pending_sizes.
5738 (get_parm_info): Set pending_sizes.
5739 (grokdeclarator): Call put_pending_sizes for parameters for
5740 function definition only.
5742 2006-09-07 Jason Merrill <jason@redhat.com>
5745 * varasm.c (output_constant): Only strip actual no-op conversions.
5748 * config/i386/i386.c (override_options): Use 128-bit
5749 stack boundary if -msse.
5751 2006-09-07 Eric Christopher <echristo@apple.com>
5753 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5755 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5758 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5760 * dwarf2out.c: Remove strange characters from comment above
5761 dwarf2out_frame_debug_expr.
5763 2006-09-07 Eric Christopher <echristo@apple.com>
5765 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5766 * config/darwin.h: ... to here.
5768 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5770 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5772 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5773 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5775 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5776 TARGET_PARTIAL_FLAG_REG_STALL.
5777 (*ashldi3_cconly_rex64): Likewise.
5778 (*ashlsi3_cmp): Likewise.
5779 (*ashlsi3_cconly): Likewise.
5780 (*ashlsi3_cmp_zext): Likewise.
5781 (*ashlhi3_cmp): Likewise.
5782 (*ashlhi3_cconly): Likewise.
5783 (*ashlqi3_cmp): Likewise.
5784 (*ashlqi3_cconly): Likewise.
5785 (*ashrdi3_cmp_rex64): Likewise.
5786 (*ashrdi3_cconly_rex64): Likewise.
5787 (*ashrsi3_cmp): Likewise.
5788 (*ashrsi3_cconly): Likewise.
5789 (*ashrsi3_cmp_zext): Likewise.
5790 (*ashrhi3_cmp): Likewise.
5791 (*ashrhi3_cconly): Likewise.
5792 (*ashrqi3_cmp): Likewise.
5793 (*ashrqi3_cconly): Likewise.
5794 (*lshrdi3_cmp_rex64): Likewise.
5795 (*lshrdi3_cconly_rex64): Likewise.
5796 (*lshrsi3_cmp): Likewise.
5797 (*lshrsi3_cconly): Likewise.
5798 (*lshrsi3_cmp_zext): Likewise.
5799 (*lshrhi3_cmp): Likewise.
5800 (*lshrhi3_cconly): Likewise.
5801 (*lshrqi2_cmp): Likewise.
5802 (*lshrqi2_cconly): Likewise.
5804 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5807 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5808 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5809 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5810 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5811 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5812 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5813 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5814 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5815 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5816 implement only CC setting effects of shift instructions.
5818 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5820 * doc/contrib.texi: Add myself.
5822 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5825 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5826 was set by the user.
5828 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5831 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5832 (divsi_inv_m1): Use them.
5833 (UNSPEC_DIV_INV_TABLE): New constant.
5835 2006-09-06 James E Wilson <wilson@specifix.com>
5838 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5839 then call count_or_remove_death_notes.
5841 2006-09-06 Jason Merrill <jason@redhat.com>
5844 * tree-inline.c (copy_result_decl_to_var): New fn.
5845 (declare_return_variable): Use it. Call declare_inline_vars here.
5846 (expand_call_inline): Not here.
5848 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5850 * doc/contrib.texi: Update my entry.
5852 2006-09-06 Nick Clifton <nickc@redhat.com>
5854 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5856 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5859 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5860 (canonicalize_induction_variables): Likewise.
5861 (tree_unroll_loops_completely): Likewise.
5862 (tree_ssa_prefetch_arrays): Likewise.
5863 (remove_empty_loops): Likewise.
5864 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5865 TODO_cleanup_cfg instead of directly calling
5866 cleanup_tree_cfg_loop.
5867 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5869 (tree_unroll_loops_completely): Likewise.
5870 (remove_empty_loops): Likewise.
5871 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5872 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5873 of tree_ssa_unswitch_loops.
5874 (tree_ssa_loop_ivcanon): Use the return value of
5875 canonicalize_induction_variables.
5876 (tree_ssa_empty_loop): Use the return value of
5878 (tree_complete_unroll): Use the return value of
5879 tree_unroll_loops_completely.
5880 (tree_ssa_loop_prefetch): Use the return value of
5881 tree_ssa_prefetch_arrays.
5882 * passes.c (execute_todo): Before Cleanup CFG, set
5883 updating_used_alone and after cleanup CFG, call
5884 recalculate_used_alone.
5886 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5889 * tree-vect-transform.c (vectorizable_condition): Move the check
5890 for the type after the check for simple condition.
5892 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5893 Kaz Kojima <kkojima@gcc.gnu.org>
5896 * mode-switching.c (optimize_mode_switching): Make the destination
5897 block of an abnormal edge have no anticipatable mode. Don't
5898 insert mode switching code at the end of the source block of
5901 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5903 PR rtl-optimization/26847
5904 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5905 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5906 (simplify_plus_minus): Count n_constants while filling ops. Replace
5907 qsort with insertion sort. Before going through the array to simplify
5908 pairs, sort it. Delay early exit until after the first sort, exiting
5909 only if no swaps occurred. Simplify pairs in reversed order, without
5910 special-casing the first iteration. Pack ops after simplifying pairs.
5912 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5914 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5915 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5916 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5917 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5919 2006-09-05 Richard Guenther <rguenther@suse.de>
5921 PR tree-optimization/28900
5922 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5923 compound conditional before creating COND_EXPR condition.
5925 2006-09-05 Richard Guenther <rguenther@suse.de>
5927 PR tree-optimization/28905
5928 * tree-vrp.c (fix_equivalence_set): Manually implement
5929 !value_ranges_intersect_p to also handle symbolic ranges.
5931 2006-09-05 Richard Guenther <rguenther@suse.de>
5934 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5937 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5939 PR rtl-optimization/27616
5940 * cse.c (table_size): New static variable.
5941 (new_basic_block): Initialize it to 0.
5942 (remove_from_table): Decrement it.
5943 (insert): Increment it.
5944 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5945 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5946 fold_rtx_mem_1 if under the cap.
5947 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5948 the lookup of the equivalent expression and test for equality of the
5949 first operand of the equivalent expression before in turn looking up
5950 an equivalent constant for the second operand.
5952 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5955 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5956 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5957 pointer, instead of assuming it is possible to derive the
5958 correct args size from a call insn.
5960 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5963 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5964 (fold_builtin_mempcpy): Rename to...
5965 (fold_builtin_memory_op): ... this. Optimize one element copy
5967 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5969 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5970 (expand_builtin_memcpy, expand_builtin_mempcpy,
5971 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5972 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5973 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5974 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5976 2006-09-01 DJ Delorie <dj@redhat.com>
5978 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5979 (stzx_16): Likewise.
5980 ("stzx_24_<mode>"): Likewise.
5981 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5982 ("cmp<mode>_op"): New.
5983 (cmp<mode>): Change to expander; just save operands.
5985 (b<code>): Change to expander, emit compare here.
5986 (s<code>_op): Change to use split and expander.
5987 (s<code>_24_op): Likewise.
5988 (s<code>_<mode>): New.
5989 (s<code>_<mode>_24): New.
5990 (movqicc_<code>_<mode): New.
5991 (movhicc_<code>_<mode>): New.
5994 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5995 (m32c_pend_compare): New.
5996 (m32c_unpend_compare): New.
5997 (m32c_expand_scc): New.
5998 (m32c_expand_movcc): Emit the compare also.
5999 * config/m32c/predicates.md (mra_nopp_operand): New.
6001 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
6002 Richard Guenther <rguenther@suse.de>
6003 Adam Nemet <anemet@caviumnetworks.com>
6006 * builtins.c (get_pointer_alignment): Handle more forms
6007 of base addresses that can be used to derive more precise
6008 information about alignment.
6010 2006-09-01 Jason Merrill <jason@redhat.com>
6013 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
6016 * gimplify.c (voidify_wrapper_expr): Handle null type.
6018 2006-09-01 Josh Conner <jconner@apple.com>
6021 * tree-nrv.c (dest_safe_for_nrv_p): New function.
6022 (execute_return_slot_opt): Use it.
6024 2006-08-31 Josh Conner <jconner@apple.com>
6027 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
6028 returning aggregates.
6030 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
6032 PR tree-optimization/28839
6033 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
6034 blocks in that phi arguments appear.
6036 2006-08-31 Roger Sayle <roger@eyesopen.com>
6039 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
6040 NULL, otherwise use an advance_loc4 to adjust relative to the
6042 (output_cfi) <DW_CFA_set_loc>: Update the current label.
6043 (dwarf2out_switch_text_section): Reset the current label to avoid
6044 using advance_loc4 over section boundaries.
6046 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
6049 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
6050 r12 + SYMBOLIC_CONST.
6052 2006-08-30 Richard Guenther <rguenther@suse.de>
6054 * Makefile.in (see.o): Add $(EXPR_H) dependency.
6056 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
6058 PR rtl-optimization/27735
6059 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
6060 Add new argument to keep track of whether an irreducible region
6061 was affected. All callers changed.
6062 (fix_irreducible_loops): Removed.
6063 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
6064 flags were invalidated.
6066 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
6068 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
6069 instead of SF operands.
6070 (*fop_df_comm_sse): Likewise.
6071 (*fop_df_comm_i387): Likewise.
6072 (*fop_df_1_mixed): Likewise.
6073 (*fop_df_1_sse): Likewise.
6075 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6076 J"orn Rennecke <joern.rennecke@st.com>
6078 PR tree-optimization/17506
6079 * tree-ssa.c (warn_uninit): If warning about a location outside of
6080 the current function, note where the variable was declared.
6082 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
6084 PR tree-optimization/28411
6085 * double-int.c (double_int_div): Use double_int_divmod.
6086 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
6087 double_int_mod, double_int_smod, double_int_umod): New functions.
6088 * double-int.h (double_int_divmod, double_int_sdivmod,
6089 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
6091 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
6093 (get_computation_aff, get_computation_cost_at): Handle double_int
6094 return type of constant_multiple_of.
6096 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
6099 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
6100 an implicit conversion.
6102 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
6104 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
6106 2006-08-27 Roger Sayle <roger@eyesopen.com>
6108 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
6111 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
6113 * config/i386/crtfastmath.c: Fix a comment typo.
6115 2006-08-26 Roger Sayle <roger@eyesopen.com>
6117 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
6118 temporary visit flags on CASE_LABEL_EXPRs.
6119 * c-common.c (match_case_to_enum): Add function comment. Avoid
6120 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
6121 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
6122 CASE_HIGH_SEEN for enumerated types. If the switch expression is
6123 a constant, only warn if that constant value isn't handled.
6125 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
6128 * input.h (restore_input_file_stack): Declare.
6129 (INPUT_FILE_STACK_BITS): Define.
6130 * toplev.c (fs_p, input_file_stack_history,
6131 input_file_stack_restored, restore_input_file_stack): New.
6132 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
6133 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
6134 (pop_srcloc): Don't free old state of stack.
6136 2006-08-26 David Edelsohn <edelsohn@gnu.org>
6139 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
6140 (PowerPC Type Attributes): New.
6142 2006-08-26 Bob Wilson <bob.wilson@acm.org>
6144 * config/xtensa/xtensa.c (function_arg_boundary): New.
6145 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
6147 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
6148 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
6150 2006-08-26 Jakub Jelinek <jakub@redhat.com>
6153 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
6156 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6158 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
6159 (verify_local_live_at_start): Likewise.
6161 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6164 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
6165 omp_add_variable): Treat sizes as variable whenever not
6168 2006-08-26 Richard Guenther <rguenther@suse.de>
6171 * fold-const.c (fold_binary): Fold temporary to correct
6172 type before constructing new comparison.
6174 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6177 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6178 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6180 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6183 * c-decl.c (start_function): Don't try to process prototype
6184 information from old declaration that isn't a function.
6186 2006-08-25 Jan Hubicka <jh@suse.cz>
6189 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6191 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6194 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6197 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6199 PR tree-optimization/16876
6200 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6201 exit if PARM doesn't match VALUE.
6203 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6205 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6206 literal_prefix directive.
6207 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6208 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6209 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6211 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6214 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6215 predicate to general_operand. Add 0->y and I->r alternatives.
6217 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6219 * doc/tm.texi: Fix a typo.
6220 * predict.c: Fix comment typos.
6222 2006-08-25 Nick Clifton <nickc@redhat.com>
6224 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6225 assertions of "cpu" and "machine".
6227 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6230 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6231 the access through a base which has an alias set of 0 cannot
6234 2006-08-24 Bill Wendling <wendling@apple.com>
6236 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6238 2006-08-24 Jan Hubicka <jh@suse.cz>
6240 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6242 2006-08-24 Jan Hubicka <jh@suse.cz>
6245 * cgraph.c: Fix comments.
6246 (cgraph_varpool_mark_needed_node): Mark only variables not already
6248 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6249 (cgraph_varpool_assembled_nodes_queue): New static variable.
6250 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6251 (cgraph_varpool_output_debug_info): New function.
6252 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6253 * Makefile.in: Add gt-cgraphunit.h
6255 2006-08-24 Jan Hubicka <jh@suse.cz>
6257 * predict.c (probability_reliable_p): New predicate.
6258 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6259 (predict_loops): Do not predict loop exit with less than 2%
6261 * basic-block.h (edge_probability_reliable_p,
6262 br_prob_note_reliable_p): Declare.
6263 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6264 prediction when static predictor is not reliable.
6265 * rs6000.c (output_cbranch): Likewise.
6267 2006-08-23 Stuart Hastings <stuart@apple.com>
6270 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6271 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6273 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6276 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6277 complex values, nor for generic vector values.
6279 2006-08-22 Richard Guenther <rguenther@suse.de>
6282 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6283 parameter. Convert arguments to arithmetic expression to the
6285 (analyze_scalar_evolution_1): Adjust caller.
6287 2006-08-22 Jan Hubicka <jh@suse.cz>
6289 Patch by Paolo Bonzini
6290 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6293 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6295 PR tree-optimization/28003
6296 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6297 before grouping aliases.
6299 2006-08-22 Roger Sayle <roger@eyesopen.com>
6301 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6302 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6304 2006-08-21 Jason Merrill <jason@redhat.com>
6307 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6308 wrapper. Loop to handle nested wrappers.
6309 (gimplify_bind_expr): Remove temp parameter.
6310 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6311 and STATEMENT_LIST on the rhs.
6312 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6313 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6314 (gimplify_target_expr): Remove special BIND_EXPR handling.
6316 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6318 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6321 2006-08-21 Olivier Hainque <hainque@adacore.com>
6323 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6324 Arrange for the temporary captures of components overlapping the lhs
6325 to happen before the lhs is possibly cleared.
6327 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6329 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6330 necessary places to pass the correct "number of registers" values
6333 2006-08-20 Jan Hubicka <jh@suse.cz>
6335 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6336 (create_name_tags): Instead of quadratic checking use hashtable.
6337 * bitmap.h: Include hashtab.h.
6338 (bitmap_hash): Declare.
6339 * bitmap.c (bitmap_hash): New function.
6341 2006-08-20 Jan Hubicka <jh@suse.cz>
6343 PR rtl-optimization/28071
6344 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6346 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6347 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6348 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6349 cgraph_decide_inlining_incrementally): Update use of
6350 cgraph_check_inline_limits.
6351 * cgraph.c (edge_hash, edge_eq): New function.
6352 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6353 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6354 cgraph_remove_node): Maintain call site hash.
6355 * cgraph.h (struct cgraph_node): Add call_site_hash.
6356 (cgraph_set_call_stmt): New function.
6358 2006-08-20 Jan Hubicka <jh@suse.cz>
6360 PR rtl-optimization/28071
6361 * reload1.c (reg_has_output_reload): Turn into regset.
6362 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6363 choose_reload_regs, emit_reload_insns): Update to new
6364 reg_has_output_reload.
6366 2006-08-20 Jan Hubicka <jh@suse.cz>
6369 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6370 function body sizes.
6371 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6373 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6376 * tree.c (handle_dll_attribute): Return early if not a
6377 var or function decl.
6379 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6382 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6383 alignment of SPE vector types.
6385 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6387 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6389 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6392 * cgraph.h (struct cgraph_node): Remove externally_visible
6394 * cgraphunit.c (process_function_and_variable_attributes): Set
6395 local.externally_visible rather than externally_visible.
6398 * c-common.c (handle_externally_visible_attribute): First look
6399 at TREE_CODE and only if it is function or var decl, check for
6400 non-public objects. Don't warn for DECL_EXTERNAL.
6401 * cgraphunit.c (process_function_and_variable_attributes): Warn
6402 if externally_visible attribute is used on non-public object.
6404 2006-08-17 Jan Hubicka <jh@suse.cz>
6406 PR tree-optimization/27865
6407 * reload1.c (forget_marked_reloads): New function.
6408 (forget_old_reloads_1): When data are passed, just mark the registers
6410 (reload_as_needed): Use the new mechanizm.
6412 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6415 * reload.h (reg_equiv_alt_mem_list): New declaration.
6416 * reload1.c (reg_equiv_alt_mem_list): New definition.
6417 (reload): Initialize it and release it.
6418 (delete_output_reload): Use it.
6419 * reload.c (push_reg_equiv_alt_mem): New function.
6420 (find_reloads_toplev): Call it.
6421 (find_reloads_address, find_reloads_address_1): Likewise.
6422 (find_reloads_subreg_address): Likewise.
6424 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6426 PR rtl-optimization/28489
6427 * sched-ebb.c (begin_schedule_ready): Create basic block
6429 (advance_target_bb): Skip empty blocks.
6430 * haifa-sched.c (bb_note): Make global.
6431 * sched-int.h (bb_note): Add prototype.
6433 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6435 PR tree-optimization/27865
6436 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6438 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6439 fold_used_pointer, pointer_used_p): New functions.
6440 (analyze_scalar_evolution_1): Use fold_used_pointer.
6441 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6442 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6445 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6448 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6449 or the INTEGER_CST. Fail on a CALL_EXPR.
6450 (fold_offsetof): Pass new argument to fold_offsetof_1.
6451 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6452 operand into an INDIRECT_REF.
6453 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6455 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6457 PR gcov/profile/26570
6458 * value-prof.c (static_values): Removed.
6459 (tree_find_values_to_profile): Do not set static_values.
6460 (find_values_to_profile): Do not free static_values.
6461 * profile.c (instrument_values): Do not free the values.
6462 (branch_prob): Free the values.
6464 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6466 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6468 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6471 * c-typeck.c (build_component_ref): Combine qualifiers of
6472 structure or union and field.
6474 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6476 PR rtl-optimization/28071
6477 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6478 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6479 * tree-into-ssa.c (struct dom_dfsnum): New.
6480 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6482 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6483 compute_global_livein.
6484 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6485 in phi nodes in the correct blocks.
6487 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6489 PR tree-optimization/28364
6490 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6492 (fold_affine_expr): New function.
6493 (may_eliminate_iv): Use fold_affine_expr.
6495 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6498 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6501 2006-08-16 Mike Stump <mrs@apple.com>
6503 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6504 * doc/cppopts.texi (-MD): Likewise.
6506 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6509 * c-common.c (handle_weak_attribute): Ignore and warn if
6510 not a FUNCTION_ or VAR_DECL.
6512 2006-07-15 Mike Stump <mrs@apple.com>
6515 * c-parser.c (c_parser_typeof_specifier): Don't use
6516 c_finish_expr_stmt, open code desired semantics instead.
6518 2006-08-15 Nick Clifton <nickc@redhat.com>
6520 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6521 fragment to tmake_file only if threads are enabled.
6522 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6523 * config/i386/t-gthr-win32: New file. ... here.
6525 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6528 * c-parser.c (c_parser_compound_statement_nostart): Reset
6529 parser->error after each statement.
6531 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6534 * omp-low.c (lower_omp_parallel): Convert t to
6535 receiver_decl's type.
6536 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6537 source before comparison.
6540 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6541 to itype in assignment to oldival2.
6543 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6547 * c-typeck.c (build_compound_expr): If the second expression
6548 is an error mark, then just return an error mark instead of
6549 creating a COMPOUND_EXPR.
6551 2006-07-14 Mike Stump <mrs@apple.com>
6553 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6555 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6557 * c-decl.c, var-tracking.c: Fix comment typos.
6559 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6561 PR rtl-optimization/28634
6562 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6563 for floating-point modes unless flag_unsafe_math_optimizations.
6565 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6566 Andrew Pinski <pinskia@physics.uc.edu>
6569 * tree.c (build_array_type): Unify array types with
6570 unspecified index_type.
6571 * c-decl.c (grokdeclarator): Make sure we do not modify a
6572 unified incomplete array type.
6573 * c-typeck.c (store_init_value): Create distinct type before
6574 filling in the index type in an initializer from a compound
6577 * c-decl.c (grokdeclarator): Remove code where we copy the
6580 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6582 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6583 into account for TODO_dump_cgraph.
6584 (TODO_update_ssa_no_phi): Likewise.
6585 (TODO_update_ssa_full_phi): Likewise.
6586 (TODO_update_ssa_only_virtuals): Likewise.
6587 (TODO_remove_unused_locals): Likewise.
6588 (TODO_set_props): Likewise.
6589 (TODO_update_stmt_usage): Likewise.
6591 2006-08-13 Dirk Mueller <dmueller@suse.de>
6593 * c-common.c (strict_aliasing_warning): Fix formatting.
6595 2006-08-13 Matthias Klose <doko@debian.org>
6597 * doc/invoke.texi: Fix spelling errors.
6599 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6601 PR rtl-optimization/23454
6602 * reorg.c (relax_delay_slots): Update comment.
6604 2006-08-11 Richard Guenther <rguenther@suse.de>
6607 * simplify-rtx.c (simplify_const_relational_operation):
6608 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6611 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6613 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6614 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6616 2006-08-10 Paul Brook <paul@codesourcery.com>
6618 * final.c (final_scan_insn): Clear current_insn_predicate before
6619 outputting inline asm.
6621 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6623 PR tree-optimization/26197
6624 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6625 get_ref_base_and_extent and overlap_subvar to add only relevant
6626 subvars as may-aliases.
6627 (add_may_alias_for_new_tag): New function, factored out of
6629 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6630 with additional argument.
6631 * tree-flow.h (new_type_alias): Takes additional argument.
6633 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6635 * gcov.c (no_data_file): New flag.
6636 (read_count_file): Set it if data file not present. Assume counts
6638 (output_lines): Don't name the data file, if there wasn't one.
6640 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6642 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6643 (rs6000_generate_compare): Tweak comments.
6644 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6646 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6648 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6649 (var_debug_decl): New function.
6650 (var_reg_set): Follow debug decl link. Add location even if
6651 reg is already known to hold some other variable.
6652 (var_mem_set): Follow debug decl link.
6653 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6654 decl link. Delete other known locations of the variable part
6656 (var_reg_delete, var_mem_delete): Delete other known locations
6657 of the variable part if requested.
6658 (same_variable_part_p): New function.
6659 (add_stores): Select MO_COPY when appropriate.
6660 (vt_initialize): Handle it.
6661 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6662 known locations for MO_SET and MO_CLOBBER.
6663 (find_variable_location_part): New function.
6664 (set_variable_part, delete_variable_part): Use it.
6665 (clobber_variable_part): New function.
6666 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6669 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6671 PR tree-optimization/26969
6672 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6673 with an empty list of PHIs.
6675 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6679 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6682 2006-08-06 Andreas Schwab <schwab@suse.de>
6684 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6685 string. Whitespace and comment fixup.
6687 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6690 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6694 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6697 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6699 2006-08-04 Jan Hubicka <jh@suse.cz>
6703 * reload.c (push_reload): Patch out the mismatching instruction;
6705 (find_reload): Bail out if the instruction was patched out.
6707 2006-08-04 Jan Hubicka <jh@suse.cz>
6709 PR tree-optimization/24888
6710 * tree-inline.c (expand_call_inline): Do not re-record variables.
6711 (declare_inline_vars): Add variable to unexpanded_var_list.
6713 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6714 Roger Sayle <roger@eyesopen.com>
6716 PR rtl-optimization/26244
6717 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6718 inner_const are negative or greater than or equal to the bitsize of
6719 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6720 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6721 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6722 CONST0_RTX (mode) when the new shift count is greater than or equal to
6723 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6726 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6728 * tree-cfg.c: Fix a comment typo.
6730 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6733 * varasm.c (output_constant): Give the front end another chance to
6734 expand constants, after stripping NOPs.
6736 2006-08-03 Jan Hubicka <jh@suse.cz>
6738 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6741 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6743 PR tree-optimization/27770
6744 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6745 declaration removed (moved to tree-flow.h).
6746 (vect_can_force_dr_alignment_p): Likewise.
6747 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6748 (moved from tree-vectorizer.h).
6749 (vect_can_force_dr_alignment_p): Likewise.
6750 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6751 from outside the vectorizer - in particular from cgraph stage.
6752 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6753 the alignment of global arrays when -fsection-anchors is enabled.
6754 * cgraphunit.c (cgraph_increase_alignment): New function.
6755 (cgraph_optimize): Call cgraph_increase_alignment.
6757 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6760 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6761 not reload a SPE symbol_ref into a lo_sum address.
6763 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6766 * dwarf2out.c (prune_unused_types_prune): Move call to
6767 prune_unused_types_update_strings to cover the parent DIE also.
6769 2006-08-02 Jan Hubicka <jh@suse.cz>
6771 PR gcov/profile/28480
6772 * tree-cfg.c (change_bb_for_stmt): New function.
6773 (tree_merge_blocks, tree_split_blocks): Use it.
6775 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6781 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6782 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6783 (cgraph_optimize): Likewise.
6785 2006-08-01 Stuart Hastings <stuart@apple.com>
6787 * rtl.h (UINTVAL) New.
6788 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6789 * testsuite/gcc.dg/20060801-1.c: New.
6791 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6794 * c-typeck.c (build_external_type): Mark used enum types.
6795 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6797 (gen_subprogram_die): Whitespace fix.
6799 2006-08-01 Jan Hubicka <jh@suse.cz>
6801 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6802 bitmap when not needed.
6803 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6806 2006-08-01 Dirk Mueller <dmueller@suse.de>
6808 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6810 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6812 * Makefile.in: Revert part of previous patch:
6813 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6816 2006-07-30 Eric Christopher <echristo@apple.com>
6819 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6820 (PowerPC Variable Attributes): New section.
6822 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6824 PR target/28126 (partial fix)
6825 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6827 2006-07-28 Jan Hubicka <jh@suse.cz>
6829 PR rtl-optimization/28071
6830 * cfgrtl.c (rtl_delete_block): Free regsets.
6831 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6833 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6835 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6836 and variables used in dependencies.
6838 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6840 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6841 %fs for -mcmodel=kernel.
6842 (stack_tls_protect_test_di): Likewise.
6844 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6846 * Makefile.in: Use mkinstalldirs.
6848 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6851 * opts-common.c (prune_options): Skip joined switches.
6853 2006-07-27 Jan Hubicka <jh@suse.cz>
6855 PR rtl-optimization/28071
6856 * cselib.c (cselib_process_insn): Don't remove useless values too
6857 often for very large hashtables.
6859 2006-07-27 Jan Hubicka <jh@suse.cz>
6861 PR rtl-optimization/28071
6862 * global.c (greg_obstack): New obstack.
6863 (allocate_bb_info): Use it.
6864 (free_bb_info): Likewise.
6865 (modify_reg_pav): Likewise.
6867 2006-07-27 Roger Sayle <roger@eyesopen.com>
6869 * builtins.c (fold_fixed_mathfn): When long and long long are the
6870 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6871 functions to their lceil*, lfloor*, lround* and lrint* forms.
6873 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6876 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6878 (rev_branch_insn): Likewise.
6880 2006-07-27 Jan Hubicka <jh@suse.cz>
6882 PR rtl-optimization/28071
6883 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6884 (reg_set_in_bb, max_reg_computed): New static variables.
6885 (regmove_optimize): Free the new array.
6886 (fixup_match_1): Update call of reg_is_remote_constant_p.
6888 2006-07-26 Jan Hubicka <jh@suse.cz>
6890 PR tree-optimization/27882
6891 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6893 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6895 (cgraph_analyze_compilation_unit): Likewise.
6896 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6897 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6898 (cgraph_early_inlinine): Make order garbage collected.
6899 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6901 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6903 * dbxout.c (output_types_sort): Add a comment.
6904 (output_used_types): Free the VEC.
6906 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6908 * function.c (reorder_fix_fragments): Delete.
6909 (reorder_blocks): Don't call it.
6910 (reorder_blocks_1): Put all subblocks under the origin block.
6912 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6914 PR rtl-optimization/27907
6915 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6918 2006-07-25 Roger Sayle <roger@eyesopen.com>
6921 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6922 bar(x) check that bar's result type can represent all the values of T.
6924 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6926 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6928 2006-07-25 Nick Clifton <nickc@redhat.com>
6930 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6931 size_lookup[] array.
6932 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6933 (ggc_pch_count_object): Likewise.
6934 (ggc_pch_alloc_object): Likewise.
6935 (ggc_pch_write_object): Likewise.
6936 (init_ggc): Do not attempt to initialize entries in the
6937 size_lookup[] array for objects whose size is greater than than
6938 the length of the array.
6940 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6942 * dbxout.c (output_used_types_helper): Push queued types
6944 (output_types_sort): New.
6945 (output_used_types): Collect used types on a VEC and sort them
6948 2006-07-24 Richard Guenther <rguenther@suse.de>
6951 * cgraph.c (cgraph_remove_node): Do not check if dumps
6953 * cgraphunit.c (cgraph_optimize): Likewise.
6955 2006-07-24 Jan Hubicka <jh@suse.cz>
6957 PR rtl-optimization/28071
6958 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6959 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6960 splitting before first stmt.
6962 2006-07-24 Jan Hubicka <jh@suse.cz>
6964 PR rtl-optimization/28071
6965 * ipa-inline.c (update_caller_keys): Remove edges that
6966 are no longer inline candidates.
6968 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6971 * dbxout.c (output_used_types_helper, output_used_types): New.
6972 (dbxout_symbol): Call output_used_types.
6974 2006-07-23 Jan Hubicka <jh@suse.cz>
6978 * cgraph.c (cgraph_varpool_nodes): Export.
6979 (decide_is_variable_needed): Ignored "used" attribute in
6980 unit-at-a-time mode.
6981 * cgraph.h (cgraph_varpool_nodes): Declare.
6982 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6983 unit-at-a-time mode.
6985 2006-07-23 Roger Sayle <roger@eyesopen.com>
6988 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6989 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6990 the __gthrw form of thr_keycreate.
6991 (__gthread_key_delete): Silence the unused argument warning.
6993 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6996 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6997 Cache the last found '\0' marker to avoid quadratic behavior.
6999 2006-07-23 Jan Hubicka <jh@suse.cz>
7001 * i386.md (subsi_3_zext): Fix output template.
7003 2006-07-21 Mike Stump <mrs@apple.com>
7005 * doc/invoke.texi (C++ Dialect Options): Note that
7006 -fvisibility-inlines-hidden doesn't affect explicitly
7007 instantiationed inline methods.
7009 2006-07-20 Roger Sayle <roger@eyesopen.com>
7011 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
7012 if the target assembler is GNU binutils' gas.
7013 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
7014 whether to pass GNU gas or native as command line options.
7016 2006-07-20 Jason Merrill <jason@redhat.com>
7018 * tree.c (remove_attribute): New fn.
7019 * tree.h: Declare it.
7021 2006-07-20 Paul Brook <paul@codesourcery.com>
7024 * cse.c (cse_insn): Add destination addresses to hash table. Check if
7025 they are invalidated by this instruction.
7027 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
7030 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
7032 2006-07-20 Eric Christopher <echristo@apple.com>
7035 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
7037 2006-07-19 Eric Christopher <echristo@apple.com>
7039 * config/t-slibgcc-darwin (stmp-lipo): Remove.
7040 Rewrite dependencies for libgcc_s.1.dylib.
7042 2006-07-19 Jakub Jelinek <jakub@redhat.com>
7044 * except.c (duplicate_eh_regions_1): Clear next_peer.
7046 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
7048 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
7049 -mlongcall does not guarantee all calls will be long.
7050 * doc/extend.texi (long_call/short_call): Document that longcall
7051 does not guarantee a long call will be used.
7052 (longcall/shortcall): Likewise.
7054 2006-07-18 Roger Sayle <roger@eyesopen.com>
7057 * expmed.c (expand_shift): Additionally check that the shift_cost
7058 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
7059 before implementing a LSHIFT_EXPR as a sequence of additions.
7060 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
7061 middle-end that DImode shifts need to be synthesized by expand.
7063 2006-07-18 Diego Novillo <dnovillo@redhat.com>
7066 * tree-ssa-operands.c (access_can_touch_variable): Update
7068 Return true if ALIAS is .GLOBAL_VAR.
7070 2006-07-18 David Daney <ddaney@avtrex.com>
7072 * gcc.c (display_help): Fix typo in help text.
7074 2006-07-18 Olivier Hainque <hainque@adacore.com>
7076 * tree.h (categorize_ctor_elements): Adjust prototype and add
7077 descriptive comment, both in accordance with the interface change
7079 * varasm.c (constructor_static_from_elts_p): New function.
7080 Whether a constructor node is a valid static constant initializer
7081 if all its elements are.
7082 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
7083 * output.h: Declare it.
7084 * expr.c (categorize_ctor_elements_1): Return whether the constructor
7085 is a valid constant initializer instead of computing the number of
7086 non-constant elements. Use constructor_static_from_elts_p for this
7087 purpose. Replace the head comment with an indication that this is a
7088 helper for categorize_ctor_elements.
7089 (categorize_ctor_elements): Same interface change as for the _1
7090 helper. Former head comment from this helper moved here, adjusted to
7091 account for the interface changes.
7092 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
7093 (all_zeros_p): Likewise.
7094 * gimplify.c (gimplify_init_constructor): Decide whether we can make
7095 static versions of the constructor from the categorize_ctor_elements
7096 return value instead of the formerly computed number of non-constant
7099 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
7101 * configure: Regenerate.
7102 * Makefile.in (build_libsubdir): New configure substitution
7103 (build_libobjdir): New variable.
7104 (BUILD_LIBIBERTY): Use it.
7106 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7109 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
7111 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
7114 * c-common.c (handle_weakref_attribute): Ignore attribute in
7115 the same conditions the alias attribute is ignored.
7117 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
7119 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
7120 (dbxout_begin_prologue): Increment scope_labelno.
7122 2006-07-17 Richard Henderson <rth@redhat.com>
7125 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
7128 2006-07-17 Roger Sayle <roger@eyesopen.com>
7129 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7131 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
7132 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
7133 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
7134 functions such as sbrk, write, etc.. Add function prototypes.
7135 Convert function declarations from K&R to ISO C. Cast pointers
7136 to "long" and "unsigned long" instead of "int" and "unsigned int".
7137 Convert tokens following #endif into comments.
7139 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
7141 * invoke.texi: Remove mention of f77; Reformat table for
7142 inline parameter options correctly; mention that -malign-double
7143 is default on x86-64 targets.
7145 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
7147 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
7148 (convert_affine_scev, chrec_convert_aggressive): Use
7149 avoid_arithmetics_in_type_p. Do not check for the subtypes
7152 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7155 * optabs.c (expand_doubleword_shift): Wrap the call to
7156 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
7158 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7161 * optabs.c (expand_binop): Pass next_methods rather than methods
7162 to expand_doubleword_shift.
7164 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
7167 * tree.h (dump_addr): Declare.
7168 * print-tree.c (dump_addr): New function.
7169 (print_node_brief, print_node): Use it.
7170 * print-rtl.c (print_rtx): Likewise.
7171 * common.opt (-fdump-noaddr): New option.
7172 * doc/invoke.texi (-fdump-noaddr): Document.
7173 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7174 (ve_info_hash): Likewise.
7176 2006-07-13 Andrew Haley <aph@redhat.com>
7178 PR tree-optimization/19505
7179 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7180 edge leaving this block, make sure that the destination of this
7181 block has only one predecessor.
7183 2006-07-17 Richard Guenther <rguenther@suse.de>
7185 PR tree-optimization/28238
7186 * tree-inline.c (copy_bb): Check if we produced valid
7187 gimple copying and substituting a stmt. If not, gimplify
7190 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7192 * optabs.c (maybe_encapsulate_block): New function extracted from...
7193 (emit_libcall_block): ...here. Invoke it on the block of insns to
7194 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7195 (emit_no_conflict_block): Likewise.
7197 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7199 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7201 2006-07-15 Roger Sayle <roger@eyesopen.com>
7203 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7204 a new NOP_EXPR case of the switch statement.
7206 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7209 * stor-layout.c (place_field): Take the bit field with
7210 an excessive size into account in the ms-bitfiled case.
7213 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7214 the previous bit field.
7216 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7219 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7221 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7223 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7224 signal frames correctly even when the signal was installed with
7227 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7229 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7230 (dbxout_function_end): Use local label LFBB. Remove hook
7232 (dbxout_source_line): Use local label LFBB.
7233 (dbxout_block): Likewise.
7234 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7235 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7236 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7237 and DBX_OUTPUT_NFUN.
7239 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7241 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7243 2006-07-13 Jan Hubicka <jh@suse.cz>
7245 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7247 * output.h (align_variable): Declare.
7248 * varasm.c (align_variable): Export.
7249 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7250 when basic block changed.
7252 2006-07-13 Nick Clifton <nickc@redhat.com>
7254 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7255 walking the LOG_LINKS chain.
7257 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7259 * doc/invoke.texi (C++ Dialect Options): Explain difference
7260 between -fvisibility-inlines-hidden and setting hidden
7261 visibility explicitly.
7263 2006-07-12 Eric Christopher <echristo@apple.com>
7265 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7266 (stmp-lipo): Depend on libgcc.a.
7268 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7270 * tree.c: Fix a comment typo.
7272 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7274 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7276 (umulhisi3_r): Likewise.
7278 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7281 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7282 x < 19, vs wchar_t support.
7284 2006-07-12 Nick Clifton <nickc@redhat.com>
7286 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7287 instead of -isa=sh4.
7289 2006-07-12 Mike Stump <mrs@apple.com>
7291 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7293 2006-07-10 Eric Christopher <echristo@apple.com>
7295 * config/t-slibgcc-darwin: Rewrite.
7297 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7300 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7303 2006-07-08 Matthias Klose <doko@debian.org>
7305 * doc/sourcebuild.texi: Fix typo.
7307 2006-07-07 Mike Stump <mrs@apple.com>
7309 * toplev.c (process_options): Don't give -ffunction-sections may
7310 affect debugging warning for Mach-O.
7312 2006-07-07 James E Wilson <wilson@specifix.com>
7314 * config/mips/mips.md (cpu): Add sb1a.
7315 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7316 addition to sb1. Adjust comments to clarify SB-1A differences from
7318 (ir_sb1a_load): New. Modify bypasses to use it.
7319 (ir_sb1a_simple_alu): Likewise.
7320 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7321 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7322 (mips_issue_rate): Add PROCESSOR_SB1A.
7323 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7324 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7325 (TARGET_SB1): Add PROCESSOR_SB1A check.
7326 (TUNE_SB1): Likewise.
7328 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7329 * config/mips/mips.c (mips_store_data_bypass_p): New.
7330 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7331 store_data_bypass_p.
7333 2006-07-08 Paul Brook <paul@codesourcery.com>
7336 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7338 2006-07-07 Richard Guenther <rguenther@suse.de>
7341 * tree.h (build_one_cst): Declare.
7342 * tree.c (build_one_cst): New function.
7343 * tree-ssa-math-opts.c (get_constant_one): Remove.
7344 (insert_reciprocals): Use build_one_cst.
7345 * fold-const.c (fold_plusminus_mult): Likewise.
7347 2006-07-07 Roger Sayle <roger@eyesopen.com>
7349 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7350 * cfgloopanal.c (dump_graph): Likewise.
7351 * dojump.c (discard_pending_stack_adjust): Likewise.
7352 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7354 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7355 * function.c (finalize_block_changes): Likewise.
7356 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7357 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7358 * rtl.c (dump_rtx_statistics): Likewise.
7359 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7361 * varray.c (dump_varray_statistics): Likewise.
7362 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7363 decode_decimal64, encode_decimal128, decode_decimal128,
7364 decimal_real_to_decimal): Likewise.
7366 2006-07-07 Richard Guenther <rguenther@suse.de>
7368 PR tree-optimization/28187
7369 * tree-vrp.c (vrp_operand_equal_p): New function.
7370 (vrp_bitmap_equal_p): Likewise.
7371 (update_value_range): Use them to compare old and new
7374 2006-07-06 Roger Sayle <roger@eyesopen.com>
7376 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7377 a default case to switch statement to silence compiler warnings.
7379 2006-07-06 Roger Sayle <roger@eyesopen.com>
7382 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7383 the configured assembler supports the x87's ffreep mnemonic.
7384 * configure: Regenerate.
7385 * config.in: Regenerate.
7387 * config/i386/i386.c (output_387_ffreep): New function.
7388 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7389 (output_387_reg_move): Likewise.
7391 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7393 Port to hosts whose 'sort' and 'tail' implementations
7394 treat operands with leading '+' as file names, as POSIX
7395 has required since 2001. However, make sure the code still
7396 works on pre-POSIX hosts.
7397 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7398 which says you should use "tail -c +N" rather than "tail +Nc".
7399 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7401 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7403 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7406 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7409 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7410 PRE_{INC,DEC} of TFmode.
7412 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7413 Alan Modra <amodra@bigpond.net.au>
7416 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7419 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7422 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7423 Remove duplicate gtu.
7425 2006-07-05 Jason Merrill <jason@redhat.com>
7429 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7430 * c-common.c (handle_packed_attribute): So don't copy it here.
7431 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7433 2006-07-05 Mike Stump <mrs@apple.com>
7435 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7437 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7440 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7442 2006-07-05 Richard Guenther <rguenther@suse.de>
7445 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7446 TARGET_SSE2 targets if using SSE math.
7447 (*absdf2_1): Likewise.
7449 2006-07-05 Richard Guenther <rguenther@suse.de>
7451 PR tree-optimization/28162
7452 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7453 make sure to convert the operands to the correct type.
7455 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7457 PR tree-optimization/28218
7459 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7460 to calculate and free the dominator information.
7462 2006-07-04 Peter O'Gorman <peter@pogma.com>
7464 * mklibgcc.in: chmod 644 before ranlib during install.
7466 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7467 J"orn Rennecke <joern.rennecke@st.com>
7469 * configure.ac (.eh_frame data check): Use diff -b.
7471 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7474 * Makefile.in (BUILD_RTL): Add build/vec.o.
7475 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7476 (build/genextract): Delete.
7477 (build/genautomata): Likewise.
7479 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7482 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7483 128-bit IBM long doubles for ABI_V4.
7485 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7487 * tree.c (range_in_array_bounds_p): New predicate.
7488 * tree.h (range_in_array_bounds_p): Declare it.
7489 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7490 return a less conservative answer.
7491 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7492 and flag 'is_group'.
7493 (IS_ELEMENT_FOR_GROUP): New macro.
7494 (FOR_EACH_ACTUAL_CHILD): Likewise.
7495 (next_child_for_group): New helper function.
7496 (can_completely_scalarize_p): Take into account groups.
7497 (sra_hash_tree): Handle RANGE_EXPR.
7498 (sra_elt_eq): Likewise.
7499 (lookup_element): Be prepared for handling groups.
7500 (is_valid_const_index): Delete.
7501 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7502 instead of is_valid_const_index.
7503 <ARRAY_RANGE_REF>: New case.
7504 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7505 is_valid_const_index.
7506 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7507 (scan_dump): Dump info for groups too.
7508 (decide_instantiation_1): Likewise.
7509 (decide_block_copy): Assert that the element is not a group.
7510 Propagate decision to groups.
7511 (generate_one_element_ref): Handle RANGE_EXPR.
7512 (mark_no_warning): Iterate over actual childs.
7513 (generate_copy_inout): Likewise.
7514 (generate_element_copy): Likewise.
7515 (generate_element_zero): Likewise.
7516 (generate_element_init_1): Likewise.
7517 (dump_sra_elt_name): Handle RANGE_EXPR.
7519 2006-07-03 Roger Sayle <roger@eyesopen.com>
7521 PR tree-optimization/26251
7522 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7523 (thread_block): When optimizing for size refuse to thread jumps
7524 that would require duplication of blocks other than redirection
7527 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7529 * configure.ac: Fix thinko in previous check-in.
7530 * configure: Regenerate.
7532 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7535 * configure.ac (for lang...): Simplify nesting of conditionals.
7536 Test subdir_requires for non-enabled languages. Move processing
7537 of lang_opt_files and lang_tree_fiels below that test.
7538 * configure: Regenerate.
7539 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7541 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7543 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7545 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7547 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7550 2006-06-29 Jason Merrill <jason@redhat.com>
7557 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7558 * c-common.c (c_determine_visibility): Handle it here.
7559 * c-decl.c (finish_decl): Call c_determine_visibility for
7561 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7563 * varasm.c (default_assemble_visibility): Likewise.
7564 * c-common.c (handle_visibility_attribute): Complain about trying
7565 to give visibility to an already defined class, or trying to change
7566 declared visibility. Always attach the attribute.
7571 * attribs.c (decl_attributes): Ignore type-in-place attributes
7572 once the type has been defined.
7574 2006-06-29 Roger Sayle <roger@eyesopen.com>
7577 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7578 to indicate the cpplib has issued an error message for us.
7580 2006-06-29 Asher Langton <langton2@llnl.gov>
7583 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7584 insert a label at the end of an function under Mach-O.
7586 2006-06-29 Eric Christopher <echristo@apple.com>
7587 Evan Cheng <evan.cheng@apple.com>
7589 * predicates.md (vector_all_ones_operand): New.
7590 (nonimmediate_or_sse_const_operand): Ditto.
7591 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7592 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7593 (standard_sse_mode_p): Ditto.
7594 (standard_sse_constant_p): Add case for -1 vector.
7595 (ix86_expand_vector_move): Try to use.
7596 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7597 Call standard_sse_constant_opcode.
7598 (*movv4sf_internal): Ditto.
7599 (*movv2df_internal): Ditto.
7601 2006-06-29 Roger Sayle <roger@eyesopen.com>
7603 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7604 of XEXP to extract the operands of a MATCH_CODE rtx.
7606 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7608 * tree.c (tree_size): Do not waste tail padding in
7609 struct tree_string and make the size be the same as
7610 build_string will generate.
7612 2006-06-28 Jason Merrill <jason@redhat.com>
7615 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7616 may_aliases already in the tag's annotations to the bitmap.
7618 2006-06-28 Roger Sayle <roger@eyesopen.com>
7620 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7622 2006-06-28 Roger Sayle <roger@eyesopen.com>
7624 * genpreds.c (generate_switch_p): New function.
7625 (add_mode_tests): Push the new mode test down inside an AND expr
7626 if this allows the switch-suitable MATCH_CODE to be near the root.
7627 (write_match_code_switch): New function to write a MATCH_CODE as
7629 (write_predicate_stmts): New function to write a predicate RTX
7630 expression as a sequence of statements.
7631 (write_one_predicate_function): Use write_predicate_stmts.
7632 (write_tm_constrs_h): Likewise.
7634 2006-06-26 Fred Fish <fnf@specifix.com>
7636 * config/mips/t-sb1: New file.
7637 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7640 2006-06-26 DJ Delorie <dj@redhat.com>
7642 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7644 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7645 Jayant Sonar <jayants@kpitcummins.com>
7646 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7648 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7649 (subsi3, subsi3_1, subsi3_2): New.
7650 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7651 * config/m32c/mov.md (SI mov peephole): New.
7652 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7653 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7655 2006-06-26 Olivier Hainque <hainque@adacore.com>
7657 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7658 a CALL_EXPR target function declaration.
7660 2006-06-26 Richard Guenther <rguenther@suse.de>
7662 * tree.c (build_string): Do not waste tail padding in
7665 2006-06-26 Richard Guenther <rguenther@suse.de>
7667 * ggc-page.c (init_ggc): Add missing element to size_lookup
7671 2006-06-23 Richard Guenther <rguenther@suse.de>
7673 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7674 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7675 alignment requests instead. Add verification code.
7676 Add struct tree_function_decl and struct tree_binfo size to
7677 extra_order_size_table. Add missing element to size_lookup
7680 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7683 * fold-const.c (const_binop): Be prepared for self returning zero.
7684 Simplify code handling complex values.
7686 2006-06-24 Olivier Hainque <hainque@adacore.com>
7688 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7689 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7692 2006-06-24 Olivier Hainque <hainque@adacore.com>
7694 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7695 ARRAY_REF, so have the callback called for the low bound expression.
7697 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7699 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7700 * c-typeck.c (c_common_type): Disallow operations on decimal float
7701 types and other float types.
7702 * convert.c (convert_to_real): Don't ignore conversions involving
7703 decimal float types.
7705 2006-06-23 Olivier Hainque <hainque@adacore.com>
7707 * tree.c (max_int_size_in_bytes): New function, inspired from
7708 code in function.c:assign_temp.
7709 * tree.h (max_int_size_in_bytes): Declare.
7710 * function.c (assign_temp): Use it.
7711 * gimplify.c (create_tmp_var): Relax the assertions on the type
7712 properties, not mandating constant size any more.
7713 (force_constant_size): New static function.
7714 (gimple_add_tmp_var): Use it, forcing variable size to a
7715 constant upper bound if it is not constant on entry.
7717 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7720 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7721 for initialization and setting of one_only flag to ...
7722 (i386_pe_encode_section_info): ...here.
7723 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7724 Recheck that the symbol has not been defined.
7726 2006-06-23 Richard Guenther <rguenther@suse.de>
7728 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7729 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7730 alignment requests instead. Add verification code.
7731 Add struct tree_function_decl and struct tree_binfo size to
7732 extra_order_size_table. Add missing element to size_lookup
7735 2006-06-22 Roger Sayle <roger@eyesopen.com>
7736 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7739 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7740 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7742 2006-06-23 Ben Elliston <bje@au.ibm.com>
7744 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7745 negate dn -- manipulate it directly.
7747 2006-06-22 Roger Sayle <roger@eyesopen.com>
7748 Steven Bosscher <stevenb.gcc@gmail.com>
7751 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7752 generated by gen_move_insn to add REG_LABEL notes if necessary.
7754 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7756 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7757 (leaf_entry): Remove use of MIN_ESA.
7759 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7761 PR rtl-optimization/28121
7762 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7765 2006-06-21 DJ Delorie <dj@redhat.com>
7767 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7769 (mulhisi3_r): Likewise.
7771 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7774 * coverage.c (coverage_counter_alloc): Leave the index type
7776 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7779 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7781 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7782 section from the "Options for Code Generation Conventions".
7784 2006-06-21 Richard Henderson <rth@redhat.com>
7788 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7790 (global_symbolic_operand): Allow weak symbols, even if local_p.
7792 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7794 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7795 (find_interesting_uses_address): Punt if above function returns true.
7797 2006-06-21 Richard Guenther <rguenther@suse.de>
7799 * configure: Regenerated.
7801 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7803 * config/mips/mips.c (function_arg): Where one part of a
7804 complex argument is in registers and the other part in the stack,
7805 return a REG not a PARALLEL.
7807 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7809 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7810 when cross-compiling. Do not substitute libstdcxx_incdir.
7811 * configure: Regenerated.
7813 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7815 * varasm.c (mergeable_string_section): Check for embedded NULs and
7816 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7817 rather than TREE_STRING_LENGTH bytes.
7819 2006-06-21 Richard Guenther <rguenther@suse.de>
7821 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7822 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7825 2006-06-21 Richrad Guenther <rguenther@suse.de>
7827 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7828 Limit iteration over the dominators.
7830 2006-06-20 Roger Sayle <roger@eyesopen.com>
7832 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7833 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7835 2006-06-20 Richard Guenther <rguenther@suse.de>
7836 Michael Matz <matz@suse.de>
7838 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7840 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7841 * et-forest.h (et_free_pools): Prototype new function.
7842 * et-forest.c (et_free_tree_force): Free parent occurrence.
7843 (et_free_pools): New function.
7844 * dominance.c (free_dominance_info): Free et-forest alloc
7847 2006-06-20 Roger Sayle <roger@eyesopen.com>
7849 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7850 integer modes, attempt to directly construct an integer constant.
7852 * fold-const.c (native_encode_vector): Determine the size of each
7853 element from the vector type instead of the first vector element.
7855 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7856 if all of its elements/components are constant.
7857 (build_constructor_from_list): Likewise.
7859 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7861 PR tree-optimization/27331
7862 * tree-data-ref.c (free_data_ref): New function.
7863 (create_data_ref): Fail if the data reference has unknown access
7865 (free_data_refs): Use free_data_ref.
7867 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7870 * tree-inline.c (setup_one_parameter): Strip useless
7871 type conversion before adding it to the IR.
7872 (declare_return_variable): Likewise.
7874 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7877 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7879 2006-06-19 Mike Stump <mrs@apple.com>
7881 * tree.c (variably_modified_type_p): VM arguments don't make the
7884 2006-06-19 Richard Guenther <rguenther@suse.de>
7886 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7887 type conversions after folding.
7889 2006-06-19 Richard Guenther <rguenther@suse.de>
7891 * ggc-page.c (extra_order_size_tab): Add entries with
7892 size of struct function and basic_block.
7893 (size_lookup): Extend to cover sizes up to 511.
7894 (ggc_alloc_stat): Adjust user.
7895 (ggc_pch_count_object): Likewise.
7896 (ggc_pch_alloc_object): Likewise.
7897 (ggc_pch_write_object): Likewise.
7899 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7901 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7902 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7905 2006-06-19 Denis Chertykov <denisc@overta.ru>
7907 * config/avr/libgcc.S : Correct my wrong previous commit.
7909 2006-06-19 Roger Sayle <roger@eyesopen.com>
7912 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7913 have stripped a SUBREG from the shift count, so we may need to
7914 convert_to_mode back to the type's mode before calling make_tree.
7915 Use new_amount instead of amount to avoid expanding a tree twice.
7917 2006-06-19 Richard Guenther <rguenther@suse.de>
7920 * fold-const.c (operand_equal_p): Check if the argument types
7921 have the same precision before stripping NOPs.
7923 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7925 Fix PR tree-optimization/27341
7926 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7928 * tree-complex.c (pass_lower_complex): Update SMT usage.
7930 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7932 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7933 Add a new alternative to the constraint strings. Add move of
7934 operand 1 to 3 to the splitter definition.
7935 ("doloop_si_long"): Second contraint alternative removed.
7937 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7939 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7940 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7942 (AVR_HAVE_MOVW) Define.
7943 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7944 (ASM_SPEC): Add avr25.
7945 (LINK_SPEC): Add avr25.
7946 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7947 (base_arch_s): Add new member 'have_movw_lpmx'.
7948 (avr_arch_types): Init 'have_movw_lpmx'.
7949 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7950 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7951 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7952 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7953 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7955 (avr_file_start): Do not output '.arh' derective.
7956 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7957 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7958 * config/avr/avr.md (mcu_enhanced): Delete.
7959 (mcu_have_movw): Define.
7960 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7961 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7962 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7963 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7964 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7965 attiny861 and at86rf401 devices.
7967 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7969 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7972 2006-06-17 Karl Berry <karl@gnu.org>
7974 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7975 doc/gccint.texi, doc/install.texi (@dircategory): Use
7976 "Software development" instead of "Programming", following
7977 the Free Software Directory.
7979 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7981 * config/i386/i386.c (legitimate_tls_address)
7982 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7983 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7984 (*tls_dynamic_gnu2_combine_64): Likewise.
7986 2006-06-16 Richard Guenther <rguenther@suse.de>
7989 * fold-const.c (negate_expr_p): Do not introduce undefined
7990 overflow in negating INTEGER_CSTs.
7991 (fold_negate_expr): Rename from negate_expr. Revert last
7992 change for folding BIT_NOT_EXPR. Change semantics to
7993 return NULL_TREE for non-simplified negations. Do not
7994 strip type conversions and unify type handling.
7995 (negate_expr): New function, wrap around fold_negate_expr
7996 but ensure building a tree always. Strip type conversions
7997 here, fold to result type.
7998 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
8000 2006-06-16 Roger Sayle <roger@eyesopen.com>
8003 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
8004 that (would) return their results in stack registers.
8006 2006-06-16 Michael Matz <matz@suse.de>
8007 Richard Guenther <rguenther@suse.de>
8009 * fold-const.c (fold_truthop): Only return new tree node if
8010 we canonicalized something.
8012 2006-06-16 Richard Guenther <rguenther@suse.de>
8014 * function.h (enum function_frequency): Move declaration
8015 out of struct function.
8016 (struct function): Move bool fields and the enum to the bitfield
8017 section. Reorder elements to avoid padding. Remove unused
8018 fields left over from the RTL inliner removal.
8019 * function.c (free_after_compilation): Do not zero removed fields.
8020 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
8021 (ipa-type-escape.o): Likewise.
8023 2006-06-16 Richard Guenther <rguenther@suse.de>
8025 * cgraph.h (struct cgraph_local_info): Turn bool elements
8027 (struct cgraph_node): Likewise.
8028 (struct cgraph_varpool_node): Likewise.
8030 2006-06-15 Richard Guenther <rguenther@suse.de>
8032 * fold-const.c (fold_truth_not_expr): Rename from
8033 invert_truthvalue. Give it fold_* semantics to avoid
8035 (invert_truthvalue): New function. Wrapper around
8036 fold_truth_not_expr.
8037 (optimize_minmax_comparison): Avoid creating garbage.
8038 (fold_unary): Use fold_truth_not_expr for folding
8040 (fold_ternary): Replace uses of invert_truthvalue with
8041 fold_truth_not_expr where applicable.
8042 * tree.h (fold_truth_not_expr): Prototype.
8044 2006-06-16 Richard Guenther <rguenther@suse.de>
8046 PR tree-optimization/27781
8047 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
8048 * ipa-pure-const.c (target.h): Include.
8049 (analyze_function): Do not analyze functions that do not
8052 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
8055 * tree-dfa.c (referenced_vars_dup_list): Remove.
8056 (find_referenced_vars): Remove assert.
8057 (referenced_var_check_and_insert): Replace dup list with assert.
8058 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
8059 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
8061 2006-06-15 Richard Guenther <rguenther@suse.de>
8063 * tree-ssa-structalias.c (alias_get_name): Avoid creating
8064 extra unused identifiers if not dumping.
8065 (create_variable_info_for): Likewise.
8067 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
8069 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
8070 (derive_constant_upper_bound): Derive more precise upper bound in
8071 common cases. Return type changed to double_int.
8072 (record_estimate): Reflect the changed return type of
8073 derive_constant_upper_bound.
8074 * double-int.c (double_int_zext, double_int_sext): Fix.
8076 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
8078 * configure.ac (CFLAGS): Get them from the toplevel or from the
8079 configure invocation.
8080 * configure: Regenerate.
8081 * Makefile.in (CFLAGS): Substitute value provided by configure.
8083 2006-06-14 Mark Mitchell <mark@codesourcery.com>
8086 * c-common.h (c_finish_omp_atomic): Adjust declaration.
8087 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
8088 rather than calling add_stmt on it.
8089 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
8091 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
8094 * reload1.c (reload): Remove registers returned by update_eliminables
8095 from used_spill_regs.
8097 2006-06-13 DJ Delorie <dj@redhat.com>
8099 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
8101 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
8103 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
8104 html__strip_dir, html__mkdir_p. Enhance install-html target.
8105 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
8106 * configure: Regenerate.
8108 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
8110 * fold-const.c (fold_cond_expr_with_comparison): Check for
8111 Objective-C++ as language in deciding COND_EXPR transformation.
8113 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
8116 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
8117 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
8118 * config/sh/lib1funcs.h (SL, SL1): Define.
8119 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
8120 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
8121 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
8122 (OBJS_Os_4_200): New variable.
8123 ($(T)libgcc-Os-4-200.a): Use it.
8124 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
8125 when dividing 1 and/or by 0.
8127 2006-06-13 Roger Sayle <roger@eyesopen.com>
8129 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
8130 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
8131 * configure: Regenerate.
8133 2006-06-13 Jie Zhang <jie.zhang@analog.com>
8135 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
8136 for real instruction.
8138 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8141 * haifa-sched.c (check_cfg): Handle special case.
8143 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
8146 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
8147 Add debug_info parameter. Chain the vars to the BLOCK instead
8148 of the BIND_EXPR if debug info are requested for them.
8149 (pop_gimplify_context): Adjust for above change.
8150 (gimple_add_tmp_var): Likewise.
8151 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
8153 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
8154 (convert_local_reference): Likewise.
8155 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
8156 (finalize_nesting_tree_1): Request that debug info be emitted
8157 for debug_var_chain.
8159 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8161 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
8162 for PR target/27863.
8164 2006-06-13 Richard Guenther <rguenther@suse.de>
8167 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
8169 2006-06-13 Richard Guenther <rguenther@suse.de>
8171 PR tree-optimization/27830
8172 * tree-inline.c (copy_body_r): For copying the operand
8173 of an ADDR_EXPR make sure to fold &* afterwards.
8175 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8177 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8178 lvalues in the fb_none case with side-effects.
8180 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8182 * tree-flow.h: Remove the prototype for
8183 compute_phi_arg_on_exit.
8184 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8185 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8188 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8190 * builtins.c (expand_builtin_return_addr): Only use
8191 frame_pointer_rtx when count == 0 and we are expanding
8192 __builtin_return_address.
8194 2006-06-12 Fred Fish <fnf@specifix.com>
8196 * config/mips/mips.c (mips_file_start): Create special section
8197 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8199 2006-06-11 Eric Christopher <echristo@apple.com>
8202 * stor-layout.c (place_field): Remove check for
8203 remaining_in_alignment when aligning at the end of a run.
8205 2006-06-11 Eric Christopher <echristo@apple.com>
8208 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8211 2006-06-11 Roger Sayle <roger@eyesopen.com>
8214 Revert incorrect fix for PR target/27158
8215 2006-05-08 Roger Sayle <roger@eyesopen.com>
8216 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8217 of a reg_equiv_constant if the result is a legitimate constant.
8219 2006-06-11 Roger Sayle <roger@eyesopen.com>
8222 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8223 extract a CONST_VECTOR element and interpret it as an integer.
8224 (vspltis_constant): Use const_vector_elt_as_int instead of the
8225 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8226 * config/rs6000/predicates.md (easy_vector_const): Consider
8227 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8229 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8232 * stor-layout.c (update_alignment_for_field): Don't add extra
8233 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8236 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8238 * config/mips/t-rtems: Add EL/EB multilib variants.
8240 2006-06-09 Mike Stump <mrs@apple.com>
8242 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8244 2006-06-09 David Daney <ddaney@avtrex.com>
8246 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8248 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8250 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8252 2006-06-09 Richard Guenther <rguenther@suse.de>
8254 PR tree-optimization/26998
8255 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8256 of signed types, only TYPE_MIN_VALUE is special, but for both,
8257 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8258 in this case, as is -fwrapv.
8260 2006-06-08 Mike Stump <mrs@apple.com>
8263 * config/darwin.c (darwin_asm_output_anchor): Disable
8264 -fsection-anchors on darwin for now.
8265 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8266 * rs6000/rs6000.c (optimization_options): Likewise.
8268 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8271 * config/i386/i386.c (classify_argument): Skip fields with invalid
8274 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8276 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8277 (cse_insn): Likewise for the stack_pointer_rtx.
8279 2006-06-08 Roger Sayle <roger@eyesopen.com>
8281 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8282 conditions from floating point comparisons.
8284 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8287 * expmed.c (struct alg_hash_entry): Fix type of field T
8288 to match synth_mult argument.
8289 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8291 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8294 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8297 2006-06-08 Richard Guenther <rguenther@suse.de>
8300 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8301 only, if overflow is defined and not trapping.
8302 (negate_expr): Likewise.
8304 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8306 PR tree-optimization/27872
8307 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8308 flag on the new exit edge of the unrolled loop.
8310 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8312 PR rtl-optimization/26449
8313 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8315 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8318 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8319 referenced_variables with matching DECL_UID's.
8320 (find_referenced_vars): Make sure duplicate list is empty to start.
8321 (referenced_var_p): Remove.
8322 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8323 Check if var is in the list, and add if needed. Update the duplicate
8324 list if a different var is in the list with the same DECL_UID.
8325 (add_referenced_var): Call routine to check and insert.
8326 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8327 * tree-flow.h (referenced_vars_dup_list): External declaration.
8329 2006-06-07 Fred Fish <fnf@specifix.com>
8331 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8334 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8337 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8338 the imaginary and real parts of a clobbered register.
8339 Emit insn to set the imaginary part.
8341 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8343 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8344 in lieu of unwind-dw2-fde.c.
8346 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8348 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8350 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8353 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8354 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8355 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8356 V4SImode temporaries and operations instead.
8358 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8360 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8363 2006-06-06 Mike Stump <mrs@apple.com>
8365 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8366 installing during build.
8368 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8370 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8372 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8373 * config/ia64/ia64.c (params.h): New header.
8374 (ia64_optimization_options): New function to adjust parameters.
8375 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8376 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8377 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8379 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8381 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8383 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8386 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8388 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8389 Victor Kaplansky <victork@il.ibm.com>
8391 PR tree-optimization/26360
8392 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8395 2006-06-04 Roger Sayle <roger@eyesopen.com>
8396 Andrew Pinski <pinskia@physics.uc.edu>
8399 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8400 for LABEL_DECL before calling DECL_WEAK.
8403 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8404 LABEL_DECL and PARM_DECL.
8406 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8410 * c-decl.c (grokdeclarator): Disallow variably modified types at
8411 file scope. Avoid marking shared array type of constant size as
8414 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8417 * c-common.c (fold_offsetof_1): Handle static members.
8419 2006-06-04 Eric Christopher <echristo@apple.com>
8421 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8422 (debug_rli): Output value for remaining_in_alignment.
8423 (update_alignment_for_field): Unconditionalize
8424 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8425 extra alignment code.
8426 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8427 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8428 * tree.h (record_layout_info_s): Remove prev_packed.
8429 * doc/extend.texi (ms_struct): Add documentation of format.
8431 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8433 * tree.h: Declare folding_initializer.
8434 * builtins.c (fold_builtin_constant_p): Give definite answer
8435 if folding inside an initializer.
8436 * fold-const.c: Define folding_initializer.
8437 (START_FOLD_INIT): Save and then set folding_initializer.
8438 (END_FOLD_INIT): Restore folding_initializer.
8440 2006-06-04 Richard Guenther <rguenther@suse.de>
8442 PR tree-optimization/27039
8443 * fold-const.c (fold_comparison): Handle pointer comparison
8444 again for all comparison codes. Compare offsets in signed
8446 (fold_binary): Move code from here.
8448 2006-06-03 Roger Sayle <roger@eyesopen.com>
8451 * config/i386/i386.c (construct_container): Split static issued_error
8452 flag into issued_sse_arg_error, issued_sse_ret_error and
8453 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8454 requires the use of x87 registers and the user explicitly
8455 specified the -mno-80387 command line option.
8457 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8459 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8460 HAVE_DECL_SIGALTSTACK.
8462 (segv_handler): Use MC_FLD.
8463 * configure.ac: Check for a sigaltstack declaration.
8464 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8465 * configure: Regenerate.
8466 * config.in: Regenerate.
8468 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8471 * Makefile.in (stmp-fixinc): Fix typo.
8473 2006-06-02 Roger Sayle <roger@eyesopen.com>
8475 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8476 are type correct. Clean-up.
8477 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8478 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8480 2006-06-01 DJ Delorie <dj@redhat.com>
8482 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8483 shift, as we've disabled the "switch" insn that needs it.
8485 2006-06-01 Per Bothner <bothner@bothner.com>
8487 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8488 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8489 * c-ppoutput.c (cb_define): Don't increment line 0.
8491 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8493 * doc/invoke.texi: Add cpu_type power6.
8494 * config.gcc: Add cpu_type power6.
8495 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8496 to power5+ with Altivec.
8497 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8498 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8500 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8502 * config/avr/avr.h (SET_ASM_OP): Define.
8504 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8506 * config/bfin/bfin.c: Fix comment typos.
8508 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8511 * doc/install.texi: Document --enable-bootstrap and
8512 --disable-bootstrap.
8514 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8516 * doc/install.texi: Document that InfoZIP can replace jar.
8518 2006-05-31 Roger Sayle <roger@eyesopen.com>
8520 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8521 isn't available, directly generate the simpler x87 patterns without
8522 the (use (const_int 0)).
8523 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8524 implementation isn't available.
8525 (*negdf2_1): Likewise.
8526 (*negxf2_1): XF mode negation is always done using the x87.
8527 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8529 2006-05-31 Roger Sayle <roger@eyesopen.com>
8531 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8532 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8534 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8536 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8538 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8539 * config/bfin/bfin.c (basic-block.h): Include.
8540 (struct machine_function): New.
8541 (bfin_init_machine_status): New.
8542 (override_options): Initialize init_machine_status.
8543 (bfin_hardware_loop): New.
8544 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8545 (DEF_VEC_P (loop_info)): New.
8546 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8547 (struct loop_info): New.
8548 (loop_info): New typedef.
8549 (struct loop_work): New.
8550 (loop_work): New typedef.
8551 (DEF_VEC_O (loop_work)): New.
8552 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8553 (bfin_dump_loops): New.
8554 (bfin_bb_in_loop): New.
8555 (bfin_scan_loop): New.
8556 (bfin_optimize_loop): New.
8557 (bfin_reorg_loops): New.
8558 (bfin_reorg): Use bfin_reorg_loops.
8559 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8561 (I_REGNO_P): Simplify.
8562 (DP_REGNO_P, DPREG_P): New macros.
8563 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8564 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8565 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8566 Add LT_REGS, LC_REGS, LB_REGS.
8567 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8569 (REGNO_REG_CLASS): Deal with loop registers.
8570 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8572 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8573 New constants for loop registers.
8574 (UNSPEC_LSETUP_END): New.
8575 (seq_insns): New define_attr. Set it for appropriate insns.
8576 (movsi_insn): Add alternatives for move from/to
8577 loop count registers.
8578 (doloop_end): New define_expand.
8579 (loop_end): New define_insn.
8580 (define_split for bad doloop_end): New.
8581 (lsetup_with_autoinit): New define_insn.
8582 (lsetup_without_autoinit): New define_insn.
8583 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8584 * config/bfin/predicates.md (lc_register_operand): New.
8585 (lt_register_operand): New.
8586 (lb_register_operand): New.
8587 (nondp_register_operand): New.
8588 (nondp_reg_or_memory_operand): New.
8589 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8591 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8593 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8594 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8596 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8598 * Makefile.in (CATALOGS): Add po/ prefix.
8599 * configure: Regenerated.
8601 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8604 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8605 a shift operand before calling shift_op. Avoid redundant call of
8608 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8609 DJ Delorie <dj@redhat.com>
8611 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8612 we're inserting is a singlt-bit constant.
8614 2006-05-30 Roger Sayle <roger@eyesopen.com>
8616 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8617 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8619 2006-05-30 Roger Sayle <roger@eyesopen.com>
8621 PR tree-optimization/23452
8622 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8623 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8624 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8625 complex values and with -ffast-math for FP complex values.
8627 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8629 * c-common.h: Remove the prototype for yyparse.
8630 * rtl.h: Remove the prototype for init_loop.
8632 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8634 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8637 2006-05-30 Roger Sayle <roger@eyesopen.com>
8639 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8641 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8642 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8644 2006-05-30 Dirk Mueller <dmueller@suse.de>
8647 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8648 for CONSTANT_CLASS_P expresisons.
8650 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8653 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8655 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8657 PR tree-optimization/27779
8658 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8659 initial_condition instead of CHREC_LEFT.
8661 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8663 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8664 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8665 Make prototypes ISO C90.
8667 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8668 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8670 * see.c (see_analyze_one_def): Correct check.
8671 (see_get_extension_data): Check if extension is parallel.
8672 (see_get_extension_reg): Likewise.
8674 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8677 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8678 into register for (code == GTU).
8680 2006-05-29 Roger Sayle <roger@eyesopen.com>
8682 PR tree-optimization/24964
8683 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8684 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8685 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8686 abs(x)*abs(x) as x*x for scalar floating point modes.
8688 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8691 * lambda-code.c (perfect_nestify): Don't copy statements
8692 in the inner loop: move them to the inner loop header.
8694 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8697 * c-tree.texi: Document OpenMP directives and clauses.
8699 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8701 * varasm.c (globalize_decl): Fix indentation.
8703 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8706 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8707 pass_fre, pass_store_ccp, pass_copy_prop,
8708 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8709 pass_return_slot, pass_object_size, pass_lim,
8710 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8711 pass_loop_prefetch and pass_stdarg.
8713 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8715 * config/bfin/bfin.opt (mfdpic): New option.
8716 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8717 (EXTRA_MULTILIB_PARTS): Likewise.
8718 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8719 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8721 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8722 (CRT_CALL_STATIC_FUNCTION): New.
8723 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8725 (CRT_CALL_STATIC_FUNCTION): New.
8726 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8728 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8729 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8730 (initialize_trampoline): Changed to handle FD-PIC code generation.
8731 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8732 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8733 (override_options): Disallow -mid-shared-library -mfdpic combination.
8734 Can't do unaligned ops if FD-PIC.
8735 Turn off flag_pic if trying to generate non-id-shared-library
8736 non-fdpic code, since it's not supported.
8737 (bfin_assemble_integer): New function.
8738 (TARGET_ASM_INTEGER): Define.
8739 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8741 * config/bfin/crtn.s: Restore them.
8742 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8744 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8745 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8746 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8747 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8748 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8750 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8751 FDPIC_REGS and FDPIC_FPTR_REGS.
8752 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8753 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8754 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8755 (load_funcdescsi): New pattern.
8756 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8757 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8758 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8760 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8762 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8765 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8767 * tree-flow.h: Remove the prototype for add_type_alias.
8768 * tree-ssa-alias.c (add_type_alias): Remove.
8770 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8772 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8773 config/fr30/fr30.md, config/i386/i386-interix.h,
8774 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8775 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8776 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8777 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8778 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8779 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8780 Follow spelling conventions.
8781 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8782 Follow spelling conventions.
8784 2006-05-27 Richard Guenther <rguenther@suse.de>
8787 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8788 to produce a constant of value 1 of generic type.
8790 2006-05-27 Dirk Mueller <dmueller@suse.de>
8792 * cgraphunit.c (decide_is_function_needed): Fix wrong
8795 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8797 PR rtl-optimization/27661
8798 * reload.c (find_reloads): When reloading a VOIDmode constant
8799 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8800 use Pmode as mode of the reload register.
8802 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8804 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8805 is enabled at -O and above.
8807 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8810 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8813 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8816 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8817 for anonymous variables explicitly declared by front ends.
8819 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8821 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8822 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8823 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8824 ref-all pointers, run a finalization pass for them.
8825 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8826 (finalize_ref_all_pointers): New function.
8827 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8828 regular pointer type to a ref-all pointer type.
8829 (get_tmt_for): Return the special memory tag for ref-all pointers.
8831 2006-05-25 Richard Guenther <rguenther@suse.de>
8834 * fold-const.c (fold_binary): Do not look at the stripped
8835 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8837 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8839 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8840 for LT and GT if the computed range is effectively empty.
8842 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8845 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8846 mips_quad_format formats instead of ieee_single_format,
8847 ieee_double_format and ieee_quad_format formats, respectively.
8849 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8851 PR tree-optimization/27639
8852 PR tree-optimization/26719
8853 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8854 call to scev_probably_wraps_p.
8855 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8856 used_in_pointer_arithmetic_p, convert_step): Removed.
8857 (nowrap_type_p): New function.
8858 (scev_probably_wraps_p): Rewritten.
8859 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8860 chrec_convert if chrec_convert_aggressive might have been used.
8861 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8862 scev_direction): New functions.
8863 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8864 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8865 instead of convert_step.
8866 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8867 (convert_step): Declaration removed.
8868 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8870 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8872 * df-core.c: Added to header comments.
8873 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8874 df_ur_bb_info, df_urec_bb_info): Added comments.
8875 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8876 urec, ri problems): Fixed header comments.
8877 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8878 code from df_rd_transfer_function.
8880 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8882 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8883 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8884 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8886 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8888 * expr.c (undefined_operand_subword_p): New.
8889 (emit_move_multi_word): Do not generate move from undefined bits
8890 of a paradoxical subreg.
8892 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8894 PR rtl-optimization/27736
8895 * combine.c (replaced_rhs_value): New variable.
8896 (combine_instructions): Set it.
8897 (distribute_notes): When distributing a note in replaced_rhs_insn,
8898 check whether the value was used in replaced_rhs_value.
8900 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8903 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8904 add_referenced_var instead of add_referenced_tmp_var.
8905 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8906 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8908 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8909 tree_optimize_tail_calls_1): Use add_referenced_var.
8910 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8911 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8912 Use add_referenced_var.
8913 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8914 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8915 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8916 Use add_referenced_var.
8917 * tree-dfa.c (struct walk_state): Remove.
8918 (find_referenced_vars): Remove walk state and vars_found hash table.
8919 (make_rename_temp): Use add_referenced_var.
8920 (find_vars_r): Pass less parameters to add_referenced_var.
8921 (referenced_var_p): New. Is var in referenced_var hash table.
8922 (referenced_var_insert): Assert var isn't already in hash table.
8923 (add_referenced_var): Don't need walk_state parameter. Add var if it
8924 isn't already in the hash table.
8925 (add_referenced_tmp_var): Remove.
8926 (find_new_referenced_vars_1): Use add_referenced_var.
8927 * tree-ssa-pre.c (create_expression_by_pieces,
8928 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8929 Use add_referenced_var.
8930 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8931 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8932 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8934 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8935 vect_create_data_ref_ptr, vect_create_destination_var,
8936 vect_init_vector, vect_build_loop_niters,
8937 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8938 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8939 Use add_referenced_var.
8940 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8941 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8942 (add_referenced_var): Add prototype.
8943 * tree-ssa-structalias.c (get_constraint_for,
8944 intra_create_variable_infos): Use add_referenced_var.
8946 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8948 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8949 big-endian paradoxical subregs.
8950 * var-tracking.c (struct micro_operation_def): Document that,
8951 for modify micro operations, insn is the subsequent instruction.
8952 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8953 (var_reg_set, var_mem_set): ... new functions.
8954 (add_stores): Record subsequent insn.
8955 (compute_bb_dataflow): Use new functions for MO_USE.
8956 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8957 notes after the insn, and modify notes before the insn known
8958 to be the subsequent one.
8959 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8961 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8964 * config/i386/i386.c (ix86_expand_builtin): Use
8965 gen_sse3_monitor64 for TARGET_64BIT.
8967 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8969 PR rtl-optimization/26375
8970 PR rtl-optimization/26855
8971 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8973 (df_ru_bb_local_compute): Reversed statements and removed bogus
8974 comment explaining why they should be in wrong order.
8975 (df_ru_dump, df_rd_dump): Enhanced debug info.
8976 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8978 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8979 reaching uses and fixed space problem.
8981 2006-05-23 Jan Hubicka <jh@suse.cz>
8983 * cgraphunit.c (decide_is_function_needed): Also nested functions
8984 and functions declared inline can be optimized out at -O0.
8986 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8988 * doc/install.texi (Configuration): Remove reference to CrossGCC
8992 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8995 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8996 ix86_compare_emitted is non-NULL.
8998 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9001 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
9004 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9006 PR rtl-optimization/25514
9007 * combine.c (replaced_rhs_insn): New variable.
9008 (combine_instructions): Set replaced_rhs_insn when trying to replace
9009 a SET_SRC with a REG_EQUAL note.
9010 (distribute_notes): Use replaced_rhs_insn when determining the live
9011 range of a REG_DEAD register.
9013 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
9014 Anatoly Sokolov <aesok@post.ru>
9016 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
9017 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
9018 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
9019 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
9020 atmega3290, atmega649, atmega6490, atmega406, atmega640,
9021 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
9022 at90usb647, at90usb1286 and at90usb1287 devices.
9023 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9024 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9026 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9028 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
9030 2006-05-22 Richard Guenther <rguenther@suse.de>
9033 2006-01-31 Richard Guenther <rguenther@suse.de>
9034 Paolo Bonzini <bonzini@gnu.org>
9036 * doc/install.texi (--disable-libgcc-math): Document.
9038 2006-05-22 Richard Guenther <rguenther@suse.de>
9041 2006-01-31 Richard Guenther <rguenther@suse.de>
9043 * doc/invoke.texi (-msselibm): Document.
9044 * target.h (expand_library_builtin): New target hook.
9045 * builtins.c (expand_builtin): Use expand_library_builtin.
9046 (default_expand_library_builtin): New function.
9047 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9048 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9049 (link_gcc_math_spec): Declare.
9050 (static_specs): Add link_gcc_math_spec.
9051 * expr.h (default_expand_library_builtin): Declare.
9052 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9053 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9054 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9055 * config/i386/i386.opt (msselibm): New target option.
9056 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9057 (ix86_init_sse_abi_builtins): New function.
9058 (ix86_expand_library_builtin): Likewise.
9059 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9060 (override_options): Handle error conditions wrt -msselibm.
9061 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9062 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9063 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9066 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9069 * c-common.c (self_promoting_args_p): Skip erroneous args.
9072 * c-decl.c (finish_struct): Skip erroneous fields.
9074 2006-05-22 Nick Clifton <nickc@redhat.com>
9076 * config/cris/cris.opt (march): Remove VarExists attribute.
9077 (max-stackframe=): Likewise.
9079 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9081 * doc/rtl.texi: Fix a typo.
9082 * see.c: Fix comment typos.
9084 * tree-ssa-structalias.h (alias_info): Remove num_references.
9086 2006-05-21 Mike Stump <mrs@apple.com>
9088 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
9090 (darwin_pragma_options): Use BAD instead.
9091 (darwin_pragma_unused): Likewise.
9092 (darwin_pragma_ms_struct): Likewise.
9094 2006-05-21 David Edelsohn <edelsohn@gnu.org>
9096 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
9098 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
9100 PR rtl-optimization/27671
9101 * simplify-rtx.c (simplify_relational_operation_1): Fix
9102 simplifications of (eq/ne (xor x y) y) and
9103 (eq/ne (xor x y) x).
9105 PR tree-optimization/26622.
9106 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
9109 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9111 * tree-cfg.c: Prune whitespace.
9112 (debug_tree_cfg): Point to correct header containing the
9115 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9118 * cgraphunit.c (verify_cgraph_node): Typo in error message.
9120 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
9123 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
9124 or sorry count is non zero.
9126 2006-05-20 Andreas Schwab <schwab@suse.de>
9128 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
9130 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
9131 Kenneth Zadeck <zadeck@naturalbridge.com>
9133 PR rtl-optimization/26855
9135 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
9137 (df_scan_alloc): Added code to properly handle multiword hard
9138 registers and add all_blocks parameter.
9139 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
9140 code to properly handle multiword hard registers.
9141 (df_rescan_blocks): Added code to remove deleted blocks from
9143 (df_ref_create_structure, df_ref_record): Added code to properly
9145 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
9146 and set DF_REF_PARTIAL.
9147 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
9148 (df_uses_record): Added DF_REF_PARTIAL for subreg.
9149 (df_scan_add_problem): Added flags parameter.
9150 (df_ref_create_structure): Changed switching structure.
9151 (df_bb_refs_record): Fixed case where duplicate artificial refs
9152 were created. Changed location of flags.
9153 (df_record_entry_block_defs): Added code to make stack pointer
9154 live in entry block. Refined cases where frame pointer is needed.
9155 Changed location of flags.
9156 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
9157 (df_set_state): Removed function.
9158 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
9159 df_insn_create_insn_record, df_insn_refs_delete,
9160 df_ref_create_structure): Formatting changes.
9161 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
9162 df_delete_basic_block): New function.
9163 (df_init): Changed location of flags.
9164 (df_add_problem): Added flags parameter and the way flags are
9166 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
9167 debug_df_chain): Improved debugging output.
9168 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
9169 (df_refs_chain_dump): Removed df parameter.
9170 (df_iterative_dataflow): Added consistency check.
9171 (df_prune_to_subcfg): Made public.
9172 (df_analyze_problem): Added blocks_to_init parameter and made
9174 (df_ref_record, df_bb_refs_record, df_mark_reg,
9175 df_record_exit_block_uses): Whitespace changes.
9176 (df_dump): Whitespace changes.
9177 * df.h: Some reordering to remove forward references.
9178 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9179 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9180 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9181 (dataflow.flags): New field.
9182 (df.flag): Deleted field.
9183 (df_alloc_function): Added additional bitmap parameter.
9184 (df_dependent_problem_function): New type.
9185 (df_problem.changeable_flags): New field.
9186 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9187 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9188 (df_mw_hardreg): New struct.
9189 (DF_INSN_UID_MWS): New macro.
9190 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9192 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9193 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9194 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9195 (df_set_state): Removed function.
9196 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9197 * df-problems.c (df_chain_dump): Removed df parameter.
9198 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9199 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9201 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9202 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9203 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9204 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9205 DF_REF_MUST_CLOBBER cases.
9206 (df_ru_bb_local_compute_process_def,
9207 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9208 df_lr_bb_local_compute, df_ur_bb_local_compute,
9209 df_chain_create_bb): Made subreg aware.
9210 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9211 df_lr_bb_local_compute, df_lr_bb_local_compute,
9212 df_chain_create_bb): Cleanup to use proper macros.
9213 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9214 code to fixup bitvectors.
9215 (df_ri_alloc): Cleared lifetime.
9216 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9217 df_create_unused_note): New function.
9218 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9219 REG_DEAD and REG_UNUSED notes as well as register information.
9220 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9221 df_chains_dump): Fixed crash if problem was never run.
9222 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9223 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9224 df_ri_add_problem): Processes flags in uniform manner.
9225 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9226 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9227 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9228 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9229 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9230 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9231 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9232 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9233 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9234 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9235 * see.c (see_initialize_data): Ditto.
9236 * final.c (rest_of_clean_state) Added regstack_completed.
9237 * rtl.h (regstack_completed): Ditto.
9238 * reg-stack.c (regstack_completed): Ditto.
9240 2006-05-19 Mike Stump <mrs@apple.com>
9242 * c-tree.h (default_conversion): Remove.
9243 * c-common.h (default_conversion): Add.
9245 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9247 * tree-vrp.c (valid_value_p): New function.
9248 (adjust_range_with_scev): Fail if the value of bound is not
9251 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9253 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9254 (mips_fallback_frame_state): Use syscall numbers to determine
9255 the appropriate li instruction for the current ABI. Only use
9256 __NR_sigreturn for o32.
9258 2006-05-19 Nicolas Setton <setton@adacore.com>
9260 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9261 * langhooks.c (lhd_dwarf_name): New function.
9262 * langhooks-def.h (lhd_dwarf_name): Declare.
9263 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9264 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9266 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9268 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9270 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9271 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9272 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9273 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9274 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9275 determine the size of Wtype, etc.
9276 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9277 (swfloatfuncs): New variable.
9278 (dwfloatfuncs): Likewise.
9279 (lib2funcs): Remove floating-point conversion functions from
9280 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9281 the set of conversion routines needed. Allow entries to specify
9282 an object name, filename and word size. Update users accordingly.
9283 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9284 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9288 2006-02-08 Roger Sayle <roger@eyesopen.com>
9291 * config/fixtfdi.c: New libgcc source file.
9292 * config/fixunstfdi.c: New source file.
9293 * config/floatditf.c: New source file.
9294 * config/floatunditf.c: New souce file.
9295 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9296 files above instead of config/mips/_tilib.c.
9297 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9299 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9301 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9302 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9304 2006-05-18 Mike Stump <mrs@apple.com>
9306 Fix up vla, vm and [*] sematics.
9312 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9313 (c_vla_unspec_p): Add.
9314 (c_vla_type_p): Add.
9315 * c-decl.c (struct c_scope): Add had_vla_unspec.
9316 (build_array_declarator): Add support for [*].
9317 (grokdeclarator): Likewise.
9318 (grokparms): Likewise.
9319 (get_parm_info): Likewise.
9320 * c-objc-common.c (c_vla_unspec_p): Likewise.
9321 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9322 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9323 typeof when argument is a variably modified type not inside sizeof or alignof.
9324 (c_parser_direct_declarator_inner): Propagate errors.
9325 (c_parser_sizeof_expression): Add support for [*].
9326 (c_parser_parms_declarator): Initialize had_vla_unspec.
9327 (c_parser_parms_list_declarator): Likewise.
9328 * c-typeck.c (c_vla_type_p): Add.
9329 (composite_type): Add support for vla compositing.
9330 (comptypes_internal): Add support for vla compatibility.
9331 (c_expr_sizeof_expr): Evaluate vla arguments.
9332 * tree.c (variably_modified_type_p): Update comment for [*].
9334 2006-05-18 Michael Matz <matz@suse.de>
9337 * config.host: Make assignments to host_xmake_file cumulative.
9338 * config.host (*-darwin*): Test $host, not $target.
9340 2006-05-12 Stuart Hastings <stuart@apple.com>
9342 * config/i386/i386.opt (-mstackrealign): New flag.
9343 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9344 (ix86_handle_cconv_attribute): Emit error when
9345 force_align_arg_pointer attribute collides with too many regparms.
9346 (ix86_function_regparm): Limit regparms when used with
9347 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9348 Support stack-realigning prologue in non-main functions. Emit
9349 warning for nested functions under -mstackrealign, emit error for
9350 nested functions with force_align_arg_pointer attribute.
9351 * doc/extend.texi (force_align_arg_pointer): Document it.
9352 * doc/invoke.texi (-mstackrealign): Document it.
9354 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9356 PR rtl-optimization/27477
9357 * combine.c (try_combine): Don't split a parallel consisting
9358 of two sets into two individual sets if both sets reference
9361 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9363 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9364 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9366 * doc/options.texi (VarExists): Updated.
9368 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9370 * unwind-dw2.c: Add declarations for uw_update_context and
9372 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9373 detected, advance frame state and context once to skip over stub.
9375 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9379 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9380 Call rewrite_into_loop_closed_ssa only when something changed.
9381 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9382 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9383 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9384 Test for perfect_nest_p here. Fix formating.
9385 (replace_uses_equiv_to_x_with_y): Fix formating.
9386 (stmt_uses_op): Removed.
9387 (can_convert_to_perfect_nest): Removed loopivs parameter.
9388 Complete the test by checking the scalar dependences.
9389 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9392 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9395 From Dan Kegel <dank@kegel.com>:
9396 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9398 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9400 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9401 if the element type is variably modified without recursing.
9403 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9406 * tree-loop-linear.c (try_interchange_loops): Test for
9407 no data dependences.
9409 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9411 PR tree-optimization/27548
9412 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9413 range of ssa names that appear on abnormal edges.
9414 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9415 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9417 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9420 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9422 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9425 * tree.h (OMP_PARALLEL_COMBINED): Define.
9426 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9427 (new_omp_context): Add is_combined_parallel argument.
9428 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9429 new_omp_context caller.
9430 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9431 Adjust gimplify_scan_omp_clauses callers.
9432 (omp_is_private): Issue errors if iteration variable is firstprivate
9433 or reduction in the current context.
9434 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9435 on combined parallel workshare constructs.
9437 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9439 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9440 (gcc-options.o): New rule.
9442 * optc-gen.awk: Protect variables for gcc-options.o with
9443 #ifdef GCC_DRIVER/#endif.
9445 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9447 Fix PR tree-optimization/27373
9448 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9449 (forward_propagate_addr_expr): Update call.
9451 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9453 * doc/options.texi: Move the Negative option.
9455 2006-05-16 Richard Guenther <rguenther@suse.de>
9457 PR tree-optimization/22303
9458 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9460 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9461 ccp_fold did not simplify the statement.
9463 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9466 * Makefile.in (GCC_OBJS): New.
9467 (OBJS-common): Add opts-common.o.
9468 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9469 (cpp$(exeext)): Likewise.
9470 (gcc.o): Also depend on opts.h.
9471 (opts-common.o): New.
9473 * common.opt (gcoff): Add Negative(gdwarf-2).
9474 (gdwarf-2): Add Negative(gstabs).
9475 (gstabs): Add Negative(gstabs+).
9476 (gstabs+): Add Negative(gvms).
9477 (gvms): Add Negative(gxcoff).
9478 (gxcoff): Add Negative(gxcoff+).
9479 (gxcoff+): Add Negative(gcoff).
9480 * config/i386/i386.opt (m32): Add Negative(m64).
9481 (m64): Add Negative(m32).
9483 * doc/options.texi: Document the Negative option.
9485 * gcc.c: Include "opts.h".
9486 (main): Call prune_options after expandargv.
9488 * optc-gen.awk: Generate common declarations for all flag
9489 variables in options.c. Output the neg_index field.
9491 * opts.c (find_opt): Moved to ...
9492 * opts-common.c: Here. New file.
9494 * opts.h (cl_option): Add a neg_index field.
9496 (prune_options): Likewise.
9498 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9501 * omp-low.c (expand_omp_parallel): Don't assert
9502 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9503 instead search for it.
9506 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9509 2006-05-16 Andreas Schwab <schwab@suse.de>
9511 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9514 2006-05-15 Roger Sayle <roger@eyesopen.com>
9517 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9518 integer constants other than zero are only legitimate on TARGET_64BIT.
9519 <CONST_VECTOR> Only zero vectors are legitimate.
9520 (ix86_cannot_force_const_mem): Integral and vector constants can
9521 always be put in the constant pool.
9523 2006-05-16 DJ Delorie <dj@redhat.com>
9525 * crtstuff.c (__dso_handle): Set section from
9526 TARGET_LBIGCC_SDATA_SECTION if defined.
9527 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9528 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9530 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9533 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9536 2006-05-16 Ben Elliston <bje@au.ibm.com>
9538 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9540 2006-05-15 Per Bothner <per@bothner.com>
9542 * tree.c: (last_annotated_node): Use source_locus typedef.
9543 This permits bootstrapping with --enable-mapped-location.
9545 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9547 PR tree-optimization/26830
9548 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9549 (info_for_ssa_name, current_info_for_ssa_name_age,
9550 blocks_to_update): New variables.
9551 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9552 (clear_ssa_name_info, initialize_flags_in_bb,
9553 mark_block_for_update): New functions.
9554 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9555 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9556 prepare_def_site_for): Use mark_block_for_update.
9557 (mark_def_interesting): Assert that the processed block is marked in
9558 blocks_to_update. Do not take blocks argument.
9559 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9561 (rewrite_update_init_block, rewrite_update_stmt): Only process
9562 blocks with statements to rewrite.
9563 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9564 (update_ssa): Initialize and free blocks_to_update. Do not
9565 clear flags on statements. Do not use blocks bitmap.
9566 * tree.h (SSA_NAME_AUX): Removed.
9567 (struct tree_ssa_name): Removed aux field.
9568 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9570 2006-05-15 Richard Guenther <rguenther@suse.de>
9572 PR tree-optimization/27603
9573 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9574 Do computations in original type.
9576 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9578 * see.c: Code style changes such as redundant paranthesis,
9579 redundant intialization of local variables etc.
9580 (see_main): Declared now as static.
9581 * doc/invoke.texi: Update that -fsee is not enabled by
9584 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9586 * omp-low.c (check_omp_nesting_restrictions): New function.
9587 (scan_omp_1): Call it.
9590 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9591 construct, return *VAR.
9593 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9595 PR rtl-optimization/27406
9596 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9599 2006-05-14 Roger Sayle <roger@eyesopen.com>
9601 PR rtl-optimization/27538
9602 * combine.c (expand_compound_operation): Call gen_lowpart
9603 before calling simplify_shift_const.
9605 2006-05-14 Roger Sayle <roger@eyesopen.com>
9607 PR rtl-optimization/22563
9608 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9609 a fixed width bitfield, always force the intermediates into psuedos.
9611 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9614 * mkconfig.sh: Use operator = instead of == for test.
9616 2006-05-13 Nick Clifton <nickc@redhat.com>
9618 * dwarf2out.c (dbx_reg_number): Check return value from
9619 LEAF_REG_REMAP and only use it if it is valid.
9620 (multiple_reg_loc_descriptor): Likewise.
9622 2006-05-13 Richard Guenther <rguenther@suse.de>
9624 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9627 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9629 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9630 information attached to non-INSNs such as NOTEs.
9631 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9633 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9635 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9637 * config/s390/s390.md: Adjust comment describing On constraint.
9639 2006-05-11 Jan Hubicka <jh@suse.cz>
9641 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9642 to be output at -O0.
9644 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9647 * fold-const.c (size_binop): Move sanity check for arguments to
9648 the beginning of the function.
9651 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9654 2006-05-11 Richard Guenther <rguenther@suse.de>
9657 * fold-const.c (fold_unary): Handle intermediate conversion
9658 to a pointer type like intermediate conversion to an integer
9659 type in folding of (T1)(T2)var to var.
9660 Match the code to the comment in the final conversion for
9661 (T1)(T2)var to (T1)var regarding to type precision. Rather
9662 than disallow T1 being of pointer type, assert that both T1
9663 and var are of pointer type or not. Make sure not to fall
9664 over the frontends lazyness wrt array to pointer decay though.
9666 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9668 * arm.c (arm_struct_value_rtx): Delete.
9669 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9670 (arm_init_cumulative_args): Always initialize nregs to zero.
9672 2006-05-10 Richard Guenther <rguenther@suse.de>
9674 PR tree-optimization/27532
9675 * tree-object-size.c (plus_expr_object_size): Fix typo.
9677 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9680 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9681 ashrdi_const, ashrdi3): Use a scratch register.
9683 2006-05-10 Richard Guenther <rguenther@suse.de>
9685 PR tree-optimization/27302
9686 * fold-const.c (operand_equal_p): For two comparisons,
9687 try comparison of one comparison code swapped if that yields
9690 2006-05-10 Ben Elliston <bje@au.ibm.com>
9692 * tree-pretty-print.c (pretty_print_string): No need to handle
9693 '\0' as a special character.
9695 * tree.h: Include "hashtab.h".
9696 (iterative_hash_expr): Use hashval_t in its prototype.
9697 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9699 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9702 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9703 (hppa*64*-*-hpux11*): Ditto.
9704 (hppa[12]*-*-hpux11*): Ditto.
9706 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9709 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9711 2006-05-09 Michael Matz <matz@suse.de>
9713 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9714 host_extra_gcc_objs and host_xmake_file.
9715 (<*-*-linux*>): Don't overwrite host_xmake_file.
9716 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9717 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9718 (host_detect_local_cpu): Declare.
9719 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9720 * config/i386/i386.c (override_options): Handle -mtune=native
9722 * config/i386/x-i386: New file.
9723 * config/i386/driver-i386.c: New file.
9724 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9727 2006-05-09 Dirk Mueller <dmueller@suse.de>
9728 Richard Guenther <rguenther@suse.de>
9731 * fold-const.c (fold_read_from_constant_string): Relax check
9732 for matching types to matching modes.
9734 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9736 PR rtl-optimization/27335
9737 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9740 2006-05-08 Chao-ying Fu <fu@mips.com>
9741 Richard Sandiford <richard@codesourcery.com>
9743 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9744 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9745 * config/mips/mips.md (UNSPEC_SCC): New constant.
9746 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9747 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9748 (mips_emit_compare): Use it.
9749 (mips_expand_vcondv2sf): New function.
9751 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9753 Fix PR tree-optimization/27093
9754 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9755 renaming when they become not-used_alone.
9757 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9759 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9760 relocation and relocation stubs.
9762 2006-05-08 Eric Christopher <echristo@apple.com>
9764 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9767 2006-05-08 Jan Hubicka <jh@suse.cz>
9770 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9771 unused static functions are needed.
9773 2006-05-08 Roger Sayle <roger@eyesopen.com>
9776 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9777 of a reg_equiv_constant if the result is a legitimate constant.
9779 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9782 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9783 standard 80387 constants, raise the cost to prevent
9784 compress_float_constant() to generate load from memory.
9786 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9788 * config/arm/constraints.md (c): Fix a typo.
9790 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9793 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9796 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9798 (_mm_mwait): Likewise.
9800 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9802 (sse3_monitor): Make it 32bit only.
9803 (sse3_monitor64): New. 64bit monitor.
9805 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9808 * config/i386/i386.c (classify_argument): Skip fields with invalid
9811 2006-05-07 Richard Guenther <rguenther@suse.de>
9813 PR tree-optimization/27409
9814 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9815 Do not try to find zero-sized subvars.
9817 2006-05-07 Richard Guenther <rguenther@suse.de>
9819 PR tree-optimization/27136
9820 * tree-ssa-loop-niter.c (get_val_for): Correct function
9821 comment, assert requirements.
9822 (loop_niter_by_eval): Stop processing if the iterated
9823 value did not simplify.
9825 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9827 * opts.c (flag_see): remove its setting at -O3.
9829 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9831 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9832 * arm/constraints.md: New file.
9833 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9834 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9835 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9836 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9837 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9838 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9839 * arm.md: Include constraints.md.
9840 (thumb_movsi_insn): Use satisfies_constraint_J.
9841 (movhi, movqi): Use satisfies_constraint_I.
9843 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9845 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9846 for atmeg a645 device.
9848 2006-05-06 Richard Guenther <rguenther@suse.de>
9850 PR tree-optimization/27151
9851 * tree-vect-transform.c (vectorizable_condition): Punt on
9852 values that have a different type than the condition.
9854 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9857 * c-parser.c (c_parser_cast_expression): Only insert casts into
9858 hash table if pointer.
9859 * function.c (used_types_insert_helper): Rename from
9861 (used_types_insert): Call used_types_insert_helper.
9862 * function.h (used_types_insert): Accept only one argument.
9864 2006-05-05 David Edelsohn <edesohn@gnu.org>
9866 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9867 scratch with output modifier.
9869 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9872 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9873 with output modifier.
9875 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9878 * config/mips/mips.c (mips_symbolic_address_p): Return true
9879 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9880 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9882 2006-05-04 Richard Guenther <rguenther@suse.de>
9884 PR tree-optimization/14287
9885 PR tree-optimization/14844
9886 PR tree-optimization/19792
9887 PR tree-optimization/21608
9888 PR tree-optimization/27090
9889 * tree-ssa-pre.c (try_combine_conversion): New function.
9890 (compute_avail): After constructing the value-handle
9891 expression, use try_combine_conversion to combine NOP_EXPRs
9892 with previous value-handle expressions and use the result if it
9895 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9897 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9899 2006-05-04 Jan Hubicka <jh@suse.cz>
9902 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9904 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9906 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9907 that this only matches CONST_INTs. All users changed to VOIDmode
9910 * config/bfin/bfin.c: Include "optabs.h".
9911 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9913 (enum bfin_builtins): Add a number of fractional and vector builtins.
9914 (bfin_init_builtins): Likewise.
9915 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9916 (safe_vector_operand, bfin_expand_binop_builtin,
9917 bfin_expand_unop_builtin): New functions.
9918 (bfin_expand_builtin): Handle the new builtins.
9919 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9922 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9925 * Makefile.in (OBJS-common): Add see.o.
9926 (see.o): Add dependencies.
9927 * common.opt (fsee): New flag for the see optimization was added.
9928 * opts.c (flag_see): Initialized.
9929 * passes.c (init_optimization_passes, pass_see): New pass.
9930 * rtl.h (see_main): Declaration as extern.
9931 * timevar.def (TV_SEE): New.
9932 * tree-pass.h (pass_see): Declaration as extern.
9933 * invoke.texi (-fsee): Document.
9934 * recog.c (validate_simplify_insn): New function.
9935 * recog.h (validate_simplify_insn): Declaration as extern.
9936 * df-problems.c (df_chain_dump): Check for NULL.
9938 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9939 Daniel Berlin <dberlin@dberlin.org>
9941 * cfgrtl.c (insert_insn_bb_end_new): New function.
9942 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9944 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9946 * df.h (struct web_entry): Moved from web.c.
9947 (union_defs): Declaration as extern.
9948 (unionfind_root): Likewise.
9949 (unionfind_union): Likewise.
9950 * web.c (struct web_entry): Moved to df.h.
9951 (unionfind_root): Remove static declaration.
9952 (unionfind_union): Likewise.
9953 (union_defs): Likewise and generalize to use callback function.
9954 (web_main): Update arguments for union_defs function call.
9956 2006-05-04 Richard Guenther <rguenther@suse.de>
9958 PR tree-optimization/26447
9959 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9960 produce SSA_NAME copies before the store stmt to avoid
9961 breaking exception handling.
9963 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9966 * gimplify.c (omp_is_private): If var is shared in some outer context,
9967 return false instead of true. Stop searching on parallel context
9970 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9973 * coverage.c: Use get_gcov_unsigned_t() instead of
9974 unsigned_type_node all over.
9976 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9978 PR tree-optimization/27381
9979 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9980 maintain the same immediate_use links.
9981 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9982 node rather than segfaulting.
9984 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9987 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9988 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9989 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9991 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9993 Fix PR tree-optimization/26626
9994 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9996 * tree-ssa-operands.c (access_can_touch_variable): Allow
9997 typecasting through union pointers.
9999 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10002 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
10003 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
10004 to find if var will be a global variable even in the nested context.
10005 (omp_copy_decl): Only check for global variable at the end, it might
10006 be overridden in outer contexts.
10007 (scan_sharing_clauses): For global variables don't create a field.
10008 (lower_rec_input_clauses): Do nothing for global shared variables.
10009 Emit a barrier at the end of ILIST if there were any decls in both
10010 firstprivate and lastprivate clauses.
10011 (lower_send_clauses): Do nothing for global variables except for
10014 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
10016 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
10017 of the correct signedness is returned.
10019 2006-05-02 Jeff Law <law@redhat.com>
10021 PR tree-optimization/27364
10022 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
10023 multiply expressions.
10025 2006-05-02 Tom Tromey <tromey@redhat.com>
10027 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
10029 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
10032 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
10033 -mthumb -fPIC are used.
10035 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
10036 Joshua Kinard <kumba@gentoo.org>
10039 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
10040 with 64-bit pointers.
10042 2006-05-02 Paul Brook <paul@codesourcery.com>
10044 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
10046 (create_fix_barrier): Check that a suitable barrier location is
10048 (arm_reorg): Include ftmp->address in allowable range of addresses.
10050 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
10053 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
10056 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10058 PR middle-end/27337
10059 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
10060 around RESULT_DECL for result passed by reference.
10061 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
10062 * omp-low.c (use_pointer_for_field): Don't look at
10063 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
10064 (scan_omp_1): Call remap_decl on RESULT_DECLs.
10065 (lower_rec_input_clauses): Don't allocate VLA memory for the second
10066 time or var for passing by reference for
10067 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
10068 TREE_ADDRESSABLE variables when passing by reference.
10070 * omp-low.c (dump_omp_region): Fix output formatting.
10072 PR middle-end/27328
10073 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
10074 (expand_omp_parallel): Likewise.
10075 * tree-cfg.c (move_sese_region_to_fn): Likewise.
10077 PR middle-end/27325
10078 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
10079 on statement list containing also constructors and destructors.
10080 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
10082 PR middle-end/27310
10083 * except.c (duplicate_eh_regions): Fix clearing of
10084 cfun->eh->region_array entries.
10086 2006-05-01 DJ Delorie <dj@redhat.com>
10088 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
10090 (gcc_cv_objdump): Likewise.
10091 * configure: Regenerated.
10093 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
10096 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
10097 templates for case 3 and 4.
10099 2006-05-01 DJ Delorie <dj@redhat.com>
10101 * vec.c: Include bconfig.h when appropriate.
10102 * Makefile.in (build/vec.o): Adjust dependencies.
10103 * mkconfig.sh: Make sure config.h isn't used for build machine
10106 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10108 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
10110 (mark_phi_for_rewrite): New function.
10111 (insert_phi_nodes_for, mark_use_interesting): Call
10112 mark_phi_for_rewrite.
10113 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
10114 (update_ssa): Initialize and free phis_to_rewrite.
10116 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10118 PR rtl-optimization/27291
10119 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
10120 folded to a constant.
10122 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10124 PR tree-optimization/27283
10125 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
10126 not whole # of iteration descriptions.
10127 (niter_for_exit): Return just # of iterations. Fail if # of iterations
10128 uses abnormal ssa name.
10129 (niter_for_single_dom_exit): Ditto.
10130 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
10131 return just the number of iterations.
10133 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10135 PR tree-optimization/27144
10136 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
10137 (record_estimate): Only record constant upper bound.
10138 (infer_loop_bounds_from_undefined): Call
10139 compute_estimated_nb_iterations just once.
10140 (proved_non_wrapping_p): Renamed to ...
10141 (n_of_executions_at_most): ... this. Expect bound to be a constant.
10142 (convert_step_widening, scev_probably_wraps_p): Call
10143 n_of_executions_at_most instead of proved_non_wrapping_p.
10144 (substitute_in_loop_info): Do not replace values in bounds.
10145 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
10148 2006-05-01 Richard Henderson <rth@redhat.com>
10151 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
10152 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
10155 2006-05-01 Roger Sayle <roger@eyesopen.com>
10157 * c-typeck.c (parser_build_binary_op): Don't call the function
10158 unsigned_conversion_warning to spot operand/result type overflow.
10159 (build_binary_op): Instead, call convert_and_check instead of
10160 convert to report the problem when the operands are promoted.
10161 * c-common.c (unsigned_conversion_warning): Make static.
10162 * c-common.h (unsigned_conversion_warning): Delete prototype.
10164 2006-05-01 Richard Guenther <rguenther@suse.de>
10166 PR tree-optimization/26726
10167 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
10169 (find_interesting_uses_address): ... we work around here
10170 by folding INDIRECT_REFs in the substituted base.
10172 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10174 * omp-low.c (dump_omp_region): Add newlines.
10176 2006-04-30 Roger Sayle <roger@eyesopen.com>
10178 * common.opt (Woverflow): New command line option.
10179 * c-common.c (constant_expression_warning): Check warn_overflow.
10180 (overflow_waring): Pass OPT_Woverflow to warning.
10181 (unsigned_conversion_warning): Likewise.
10182 (convert_and_check): Likewise.
10183 * doc/invoke.texi: Document new command line option.
10185 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10187 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10188 TARGET_NO_FP_IN_TOC for section anchors.
10189 (optimization_options): Enable section anchors for all
10190 non-"Objective" languages.
10192 2006-04-28 Eric Christopher <echristo@apple.com>
10194 * config/darwin-c.c (darwin_ms_struct): Move this
10195 (darwin_set_default_type_attributes): and this...
10196 * config/darwin.c: ... here.
10197 * config/darwin.h (darwin_ms_struct): Declare.
10199 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10201 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10203 2006-04-28 Roger Sayle <roger@eyesopen.com>
10206 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10207 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10208 an unsigned HOST_WIDE_INT.
10209 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10211 (really_start_incremental_init): No need to call convert because
10212 bitsize_zero_node is already of type bitsizetype.
10213 (push_init_level): Extract the value of constructor_index as an
10214 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10215 (process_init_element): Likewise.
10217 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10219 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10220 value before passing to make_relative_prefix.
10222 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10224 PR middle-end/27260
10225 * builtins.c (expand_builtin_memset): Expand val in original mode.
10227 2006-04-27 Eric Christopher <echristo@apple.com>
10229 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10230 with #ifndef/#endif.
10231 * config/darwin-c.c (darwin_ms_struct): New.
10232 (darwin_pragma_ms_struct): Ditto.
10233 (darwin_set_default_type_attributes): Ditto.
10234 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10235 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10236 Register ms_struct pragma.
10237 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10238 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10239 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10240 darwin_set_default_type_attributes if TARGET_MACHO.
10242 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10244 PR tree-optimization/26854
10245 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10246 * doc/tree-ssa.texi: Update immuse iterator documentation.
10247 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10248 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10249 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10250 first_safe_imm_use, next_safe_imm_use): Remove.
10251 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10252 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10253 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10254 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10255 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10256 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10257 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10258 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10259 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10260 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10261 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10262 (perfect_nestify): Use new iterator.
10263 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10265 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10266 (next_imm_name): New field in struct immediate_use_iterator_d.
10267 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10268 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10269 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10270 * tree-cfg.c (replace_uses_by): Use new iterator.
10271 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10272 * tree-ssa-operands.c (correct_use_link): Remove.
10273 (finalize_ssa_use_ops): No longer call correct_use_link.
10275 2006-04-27 Stuart Hastings <stuart@apple.com>
10277 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10278 * config/t-darwin (crt3.o): Use it.
10279 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10280 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10281 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10282 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10283 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10286 2006-04-27 Roger Sayle <roger@eyesopen.com>
10288 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10289 size, force the intermediate into a new pseudo rather instead of
10290 performing both a bitwise AND and a bitwise IOR in memory.
10292 2006-04-27 Richard Guenther <rguenther@suse.de>
10294 PR rtl-optimization/26685
10295 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10296 this one "max-flow-memory-locations".
10298 2006-04-27 Richard Guenther <rguenther@suse.de>
10300 PR tree-optimization/25148
10301 * tree-vrp.c (compare_values): Remove code dealing with
10302 comparisons against type min/max value. Honour overflow
10303 and negative constants in code dealing with comparisons
10304 of plus and minus expressions.
10305 (value_inside_range): Use fold_binary with LE_EXPR and
10306 GE_EXPR rather than compare_values.
10308 2006-04-27 Dirk Mueller <dmueller@suse.de>
10310 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10313 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10315 * basic-block.h (safe_insert_insn_on_edge): Removed.
10316 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10318 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10319 Paolo Bonzini <bonzini@gnu.org>
10321 PR middle-end/27282
10322 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10323 (simplify_and_const_int): Same.
10325 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10327 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10329 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10332 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10333 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10334 cgraph_global_info_ready.
10336 PR middle-end/26913
10337 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10340 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10341 either decl or init is error_mark_node.
10343 PR middle-end/25989
10344 * tree-flow.h (struct omp_region): Add sched_kind.
10345 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10346 instead of extracting omp for data.
10347 (expand_omp_for): Save extracted sched_kind.
10349 2006-04-25 Roger Sayle <roger@eyesopen.com>
10351 * expmed.c (store_bit_field): Also check whether the bitsize is
10352 valid for the machine's "insv" instruction before moving the
10353 target into a pseudo for use with the insv.
10354 * config/i386/predicates.md (const8_operand): New predicate.
10355 * config/i386/i386.md (extv, extzv, insv): Use the new
10356 const8_operand predicate where appropriate.
10358 2006-04-25 DJ Delorie <dj@redhat.com>
10360 * doc/install.texi (Specific): Clarify that this is not a list of
10361 supported hosts or targets.
10363 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10365 PR rtl-optimization/26725
10366 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10367 block's BB_DIRTY flag.
10369 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10371 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10374 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10375 to print an integer.
10377 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10379 * varasm.c (align_variable): New function.
10380 (get_block_for_decl): Apply align_variable to DECL before
10381 calculating section information.
10382 (assemble_variable): Split out alignment computation.
10384 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10386 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10389 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10391 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10392 MODE_PARTIAL_INT mode.
10393 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10394 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10396 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10397 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10399 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10401 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10403 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10404 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10405 MACFLAG_IH): Likewise.
10406 (movstricthi_1): Renamed from "*movstricthi".
10407 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10408 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10409 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10410 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10411 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10412 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10413 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10414 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10415 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10416 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10417 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10418 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10419 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10420 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10421 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10423 * doc/rtl.texi (ss_ashift): Improve wording.
10425 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10427 * dwarf2out.c (verify_marks_clear): New.
10428 (prune_unused_types): Call verify_marks_clear initially, not
10431 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10433 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10434 * doc/rtl.texi: Document them.
10435 * simplify-rtx.c (simplify_unary_operation,
10436 simplify_binary_operation_1): Don't abort when we see them.
10438 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10441 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10442 * configure.ac: Completely disregard languages that are not
10444 * configure: Regenerated.
10446 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10447 Richard Guenther <rguenther@suse.de>
10449 PR tree-optimization/27236
10450 * tree-inline.c (copy_body_r): Make sure to copy
10451 TREE_THIS_VOLATILE flag.
10453 2006-04-24 Richard Guenther <rguenther@suse.de>
10455 PR middle-end/26869
10456 * tree-complex.c (update_parameter_components): Don't handle
10457 unused parameters which have no default def.
10459 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10460 Richard Guenther <rguenther@suse.de>
10462 PR tree-optimization/27218
10463 * tree-inline.c (expand_call_inline): Strip useless type
10464 conversions for the return slot address.
10466 2006-04-24 Richard Guenther <rguenther@suse.de>
10468 * cfgloop.h (struct loops): Remove unused field array. Reorder
10470 (LOOP_PREFETCH): Remove.
10472 2006-04-24 Richard Guenther <rguenther@suse.de>
10474 PR tree-optimization/22525
10475 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10476 variable, adjust types of generated expressions.
10478 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10480 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10481 (tree-vect-patterns.o): Likewise.
10482 (jump.o): Likewise.
10483 (cselib.o): Likewise.
10484 (loop-doloop.o): Likewise.
10485 (regclass.o): Likewise.
10486 (reload1.o): Likewise.
10487 (explow.o): Replace target.h with $(TARGET_H).
10488 (ipa-prop.o): Likewise.
10489 (ipa-cp.o): Likewise.
10490 (ipa-inline.o): Likewise.
10491 (reorg.o): Likewise.
10492 (reg-stack.o): Likewise.
10494 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10496 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10498 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10500 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10502 * configure.ac: Completely disregard languages that are not
10504 * configure: Regenerated.
10507 * c-common.h (c_build_bitfield_integer_type): Declare.
10508 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10509 * c-common.c (c_build_bitfield_integer_type): ... here.
10511 2006-04-23 Roger Sayle <roger@eyesopen.com>
10514 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10515 a SImode SUBREG of a floating point register after no_new_pseudos.
10517 2006-04-23 Roger Sayle <roger@eyesopen.com>
10519 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10520 identify potentially eliminable registers to additionally catch
10521 VIRTUAL_INCOMING_ARGS_REGNUM.
10522 (addsi3): Update the conditions on when to use addsi_small_int.
10524 2006-04-23 Roger Sayle <roger@eyesopen.com>
10527 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10528 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10529 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10531 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10533 * fold-const.c (range_predecessor): Use operand_equal_p
10534 as the predicate for equality.
10535 (range_successor): Likewise.
10537 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10540 * config/soft-fp/op-common.h: Fix a typo.
10542 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10544 PR libmudflap/26864
10545 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10546 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10548 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10550 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10552 * doc/tm.texi: Fix a typo.
10554 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10556 * dwarf2out.c (struct die_struct): Document that die_sib makes
10557 a circular linked list.
10558 (FOR_EACH_CHILD): New.
10559 (reverse_die_lists): Delete.
10560 (reverse_all_dies): Delete.
10561 (add_dwarf_attr): Correct documentation.
10562 (remove_child_with_prev): New.
10563 (remove_child_TAG): Update for change to die_struct, use
10564 remove_child_with_prev.
10565 (add_child_die): Update for change to die_struct.
10566 (splice_child_die): Use remove_child_with_prev and add_child_die.
10567 (print_die): Use FOR_EACH_CHILD.
10568 (die_checksum): Likewise.
10569 (assign_symbol_names): Likewise.
10570 (output_location_lists): Likewise.
10571 (build_abbrev_table): Likewise.
10572 (calc_die_sizes): Likewise.
10573 (mark_dies): Likewise.
10574 (unmark_dies): Likewise.
10575 (unmark_all_dies): Likewise.
10576 (output_die): Likewise.
10577 (prune_unused_types_mark): Likewise.
10578 (prune_unused_types_walk): Likewise.
10579 (same_die_p): Update for change to die_struct.
10580 (break_out_includes): Likewise.
10581 (prune_unused_types_prune): Likewise.
10582 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10583 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10584 it's already clear.
10585 (dwarf2out_finish): Don't call reverse_all_dies.
10587 2006-04-21 Eric Christopher <echristo@apple.com>
10589 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10590 in comments and function names.
10592 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10595 * c-typeck.c (digest_init): Robustify.
10597 * c-typeck.c (pop_init_level): Simplify.
10599 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10601 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10603 2006-04-21 Paul Brook <paul@codesourcery.com>
10605 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10606 hardware floating point.
10608 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10610 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10613 2006-04-21 Nick Clifton <nickc@redhat.com>
10615 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10618 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10621 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10622 C++ lang type in traceback table for Objective-C++.
10624 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10626 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10628 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10630 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10633 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10634 were errors. Remove check for erroneous objects.
10636 2006-04-20 Jeff Law <law@redhat.com>
10638 PR tree-optimization/26854
10639 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10640 checking for zero or one use.
10641 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10642 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10643 * tree-ssa-reassoc.c (negate_value): Similarly.
10644 (reassociate_bb): Similarly.
10646 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10648 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10649 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10650 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10652 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10654 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10655 fp regs if the last fp arg doesn't fit in regs.
10657 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10660 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10661 that the last insn has the REG_INC note.
10663 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10664 Nathan Sidwell <nathan@codesourcery.com>
10667 * stor-layout.c (update_alignment_for_field): Do not align
10669 (place_union_field): Place union field at the start of the union.
10670 (place_field): Move ERROR_MARK check later, and use the current
10671 allocation position to maintain monotonicity.
10673 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10675 * dominance.c: Include timevar.h.
10676 (calculate_dominance_info): Use TV_DOMINANCE.
10677 * timevar.def (TV_DOMINANCE): New timevar.
10678 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10680 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10682 PR rtl-optimization/14261
10683 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10684 move would be an INSV insn.
10685 (noce_process_if_block): Don't optimize if the destination is a
10686 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10688 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10690 * config/s390/s390.md: Add comments with the instructions emitted
10691 by an insn pattern if macros are used.
10693 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10695 PR rtl-optimization/26026
10696 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10697 is a known power of two shifted left a variable amount.
10699 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10701 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10702 to hash table twice when the debug_str section has SECTION_MERGE.
10704 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10706 * config/soft-fp: New directory. From glibc.
10707 * config/soft-fp/t-softfp: New.
10708 * config/soft-fp/README: New.
10709 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10710 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10711 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10712 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10713 * config.gcc: Use rs6000/t-fprules-fpbit or
10714 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10716 * config/rs6000/sfp-machine.h: New. Based on glibc.
10717 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10719 * config/rs6000/t-fprules: Remove fp-bit rules.
10720 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10721 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10722 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10723 (softfp_wrap_start, softfp_wrap_end): New.
10725 2006-04-18 DJ Delorie <dj@redhat.com>
10727 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10729 2006-04-18 Devang Patel <dpatel@apple.com>
10731 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10733 2006-04-18 Nick Clifton <nickc@redhat.com>
10735 * config/sh/t-symbian: Add rule to build sh-c.o
10736 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10737 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10738 (sh_symbian_encode_section_info): Likewise.
10740 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10742 * builtins.c (expand_builtin_strcmp): Cover label definition of
10743 do_libcall with HAVE_cmpstrnsi.
10745 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10747 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10749 * function.h (temp_slot_p): New.
10750 (function): Change the type of x_used_temp_slots to
10751 VEC(temp_slot_p,gc) *.
10753 2006-04-18 Nick Clifton <nickc@redhat.com>
10755 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10756 flag_strength_reduce.
10758 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10760 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10764 Partial revert of revision 112637
10765 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10766 Dale Johannesen <dalej@apple.com>
10769 * regclass.c (struct reg_pref): Update documentation.
10770 (regclass): Set prefclass to NO_REGS if memory is the best option.
10771 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10773 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10775 PR tree-optimization/26821
10776 * tree-ssa-math-opts.c (get_constant_one): New.
10777 (insert_reciprocals): Use it.
10779 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10781 * dwarf2out.c (free_AT): Delete.
10782 (remove_AT): Update string ref counts.
10783 (remove_child_TAG): Don't call free_die.
10784 (free_die): Delete.
10785 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10786 or DW_TAG_GNU_EINCL.
10787 (prune_unused_types_walk_attribs): Reset string refcounts.
10788 (prune_unused_types_update_strings): New.
10789 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10790 call free_die. Do call prune_unused_types_update_strings.
10791 (prune_unused_types): Empty debug_str_hash.
10793 2006-04-17 Roger Sayle <roger@eyesopen.com>
10795 * expr.c (expand_assignment): Optimize away no-op moves where the
10796 source and destination are equal and have no side-effects.
10798 2006-04-17 Richard Guenther <rguenther@suse.de>
10801 * reload.c (push_reload): Guard calls to get_secondary_mem
10802 for memory subregs.
10804 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10806 * alias.c (reg_base_value, old_reg_base_value): Change the
10807 type to VEC(rtx,gc) *.
10808 (REG_BASE_VALUE, find_base_value, record_set,
10809 init_alias_analysis): Use VEC instead of VARRAY.
10811 * alias.c (alias_sets): Change the type to
10812 VEC(alias_set_entry,gc) *.
10813 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10814 VEC instead of VARRAY.
10815 (last_alias_set): Remove.
10817 * cgraph.h (cgraph_edge_p): New.
10818 Update the prototype of cgraph_function_versioning.
10819 * cgraphunit.c (cgraph_copy_node_for_versioning,
10820 cgraph_function_versioning): Use VEC instead of VARRAY.
10821 * ipa-cp.c (ipcp_insert_stage): Likewise.
10823 2006-04-16 Roger Sayle <roger@eyesopen.com>
10826 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10827 "A op B" or "A op C", we may need to convert A to the type of B and C.
10829 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10831 * target.h (struct gcc_target): Add mode_rep_extended.
10832 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10833 (init_num_sign_bit_copies_in_rep): Initialize it using
10835 (truncate_to_mode): Use it.
10836 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10837 * targhooks.h (default_mode_rep_extended): Declare it.
10838 * targhooks.c (default_mode_rep_extended): Define it.
10839 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10840 default_mode_rep_extended.
10841 (TARGET_INITIALIZER): Include it.
10842 * doc/tm.texi (Misc): Document it.
10843 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10844 (mips_truncated_to_mode): New function.
10846 2006-04-16 Roger Sayle <roger@eyesopen.com>
10848 PR middle-end/25474
10849 * expr.c (compress_float_constant): Copy the narrow constant into
10850 a new pseudo before extending it to its final width.
10852 2006-04-16 Roger Sayle <roger@eyesopen.com>
10853 Andrew Pinski <pinskia@gcc.gnu.org>
10854 Dale Johannesen <dalej@apple.com>
10857 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10858 special case code to implement V8HImode and V16QImode with SSE2.
10860 2006-04-15 Roger Sayle <roger@eyesopen.com>
10862 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10863 trees are constructed with a suitable tree type.
10865 2006-04-15 Roger Sayle <roger@eyesopen.com>
10867 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10868 (integer_onep): Likewise.
10869 (integer_all_onesp): Likewise.
10870 (integer_pow2p): Likewise.
10871 (integer_nonzerop): Likewise.
10872 (real_zerop): Likewise.
10873 (real_onep): Likewise.
10874 (real_twop): Likewise.
10875 (real_minus_onep): Likewise.
10876 (int_size_in_bytes): Likewise.
10877 (host_integerp): Likewise.
10879 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10881 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10882 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10883 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10885 * tree-ssa-structalias.h (alias_info): Remove num_references.
10887 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10889 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10890 (output_bvb patterns): Likewise.
10891 * pa.c (output_bb): Use 'bb' insn for long branch case.
10892 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10893 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10894 1. Correct length operand for alternatives 1 and 2.
10895 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10896 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10898 2006-04-14 Roger Sayle <roger@eyesopen.com>
10900 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10901 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10902 were accidentally reverted by r112959.
10904 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10906 PR middle-end/26823
10907 * except.h (eh_region_outermost): New prototype.
10908 * except.c (eh_region_outermost): New function.
10909 * tree-cfg.c (find_outermost_region_in_block): Use it.
10911 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10913 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10915 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10916 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10917 (init_reload, reload): Use VEC instead of VARRAY.
10918 * reload.h: Update the prototype for
10919 reg_equiv_memory_loc_varray.
10921 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10922 Eric Botcazou <ebotcazou@libertysurf.fr>
10924 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10925 register save area.
10927 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10929 PR middle-end/27134
10930 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10931 to expand fallback builtin function call.
10933 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10935 PR middle-end/27095
10936 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10937 and emit libcall here in case the builtin fails.
10938 (expand_builtin_strcmp): Always emit the libcall here on failure.
10940 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10942 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10943 * flow.c (reg_n_info): Change the type to
10944 VEC(reg_info_p,heap) *.
10945 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10947 * regs.h (reg_info_p): New.
10948 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10949 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10950 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10953 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10955 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10957 * params.h (MAX_SCHED_READY_INSNS): New macro.
10958 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10959 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10960 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10961 the ready list for 1 cycle during the first scheduling pass.
10962 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10964 2006-04-13 Richard Henderson <rth@redhat.com>
10967 * gimple-low.c (lower_omp_directive): Remove dead code.
10968 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10969 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10970 * omp-low.c (struct omp_region): Move to tree-flow.h.
10971 (root_omp_region): Export.
10972 (omp_regions, lookup_omp_region): Remove.
10973 (determine_parallel_type): Update for struct omp_region changes.
10974 (dump_omp_region): Dump regions with block numbers.
10975 (new_omp_region): Take type and block instead of stmt; malloc
10977 (free_omp_region_1, free_omp_regions): New.
10978 (expand_parallel_call): Take entry_stmt as argument; update for
10979 changes to omp_region.
10980 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10981 (remove_exit_barriers): New.
10982 (expand_omp_parallel): Update for struct omp_region changes.
10983 (expand_omp_synch): Likewise.
10984 (expand_omp): Likewise.
10985 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10986 (expand_omp_for_static_chunk): Likewise.
10987 (expand_omp_for): Likewise.
10988 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10989 (expand_omp_sections): Similarly, with GOMP_sections_end.
10990 (expand_omp_single): New.
10991 (build_omp_regions_1): Update for OMP_CONTINUE.
10992 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10993 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10994 OMP_SECTIONS_SECTIONS.
10995 (lower_omp_single_simple): Don't emit barrier here.
10996 (lower_omp_single_copy): Likewise.
10997 (lower_omp_single): Fix bindings, and lower to straightline now.
10998 (lower_omp_master, lower_omp_ordered): Likewise.
10999 (lower_omp_critical): Likewise.
11000 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
11001 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
11002 omp edges, free it afterward.
11003 (make_omp_sections_edges): Remove.
11004 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
11005 (move_stmt_r): Handle OMP_CONTINUE.
11006 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
11007 statement pointers to basic blocks. Add type member.
11008 (root_omp_region, new_omp_region, free_omp_regions): Declare.
11009 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
11010 * tree-inline.c (estimate_num_insns_1): Likewise.
11011 * tree-pretty-print.c (dump_generic_node): Likewise.
11012 * tree-ssa-operands.c (get_expr_operands): Likewise.
11013 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
11014 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
11015 (OMP_CONTINUE): New.
11016 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
11017 (OMP_SECTIONS_SECTIONS): Remove.
11018 (OMP_SECTION_LAST): New.
11019 (OMP_RETURN_NOWAIT): New.
11021 2006-04-13 Roger Sayle <roger@eyesopen.com>
11023 * fold-const.c (native_encode_vector, native_interpret_real):
11024 Correct obvious mistakes in the previous check-in.
11026 2006-04-13 Roger Sayle <roger@eyesopen.com>
11028 * fold-const.c (native_encode_expr): New function to encode
11029 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
11030 or VECTOR_CST into a specified buffer.
11031 (native_encode_int): New function.
11032 (native_encode_real): New function.
11033 (native_encode_complex): New function.
11034 (native_encode_vector): New function.
11035 (native_interpret_expr): Inverse of native_encode_expr to convert
11036 a target representation into an INTEGER_CST, REAL_CST etc...
11037 (native_interpret_int): New function.
11038 (native_interpret_real): New function.
11039 (native_interpret_complex): New function.
11040 (native_interpret_vector): New function.
11041 (fold_view_convert_expr): New function to constant fold/evaluate
11042 a VIEW_CONVERT_EXPR of a suitable constant expression.
11043 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
11044 Change call of build1 to fold_build1 when constructing a
11047 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
11048 Ulrich Weigand <uweigand@de.ibm.com>
11051 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
11054 2006-04-13 Alan Modra <amodra@bigpond.net.au>
11057 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
11058 optimize to lo_sum for DFmode if !TARGET_FPRS.
11060 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11062 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
11063 delete_alias_info, compute_flow_sensitive_aliasing,
11064 group_aliases): Use VEC instead of VARRAY.
11065 * tree-ssa-structalias.c (update_alias_info): Likewise.
11066 * tree-ssa-structalias.h (alias_info): Change the type of
11067 processed_ptrs to VEC(tree,heap) *.
11069 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
11072 * config/sh/lib1funcs.h: New file, broken out of:
11073 * config/sh/lib1funcs.asm.
11074 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
11076 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
11077 * config/sh/lib1funcs-Os-4-200.asm: New file.
11078 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
11079 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
11080 (EXTRA_MULTILIB_PARTS): Include it.
11081 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
11082 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
11083 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
11084 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
11087 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11089 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
11090 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
11091 tpa_compact, root_var_init, type_var_init): Use VEC instead of
11093 * tree-ssa-live.h: Include vecprim.h.
11094 (tree_partition_associator_d): Change the type of
11095 first_partition to VEC(int,heap) *.
11096 (tpa_first_partition): Use VEC instead of VARRAY.
11098 * Makefile.in (GTFILES): Move functions.h after tree.h.
11099 * function.c (reset_block_changes, record_block_change,
11100 check_block_change, free_block_changes): Use VEC instead of
11102 * function.h (function): Change the type of
11103 ib_boundaries_block to VEC(tree,gc) *.
11104 * tree-inline.c (copy_cfg_body): Initialize
11105 ib_boundaries_block to NULL instead of (varray_type) 0.
11107 2006-04-12 Roger Sayle <roger@eyesopen.com>
11109 * expr.c (emit_group_store): Correct operand order in call to
11110 subreg_lowpart_offset. Always create paradoxical SUBREGs with
11111 a SUBREG_BYTE of zero.
11113 2006-04-12 Richard Guenther <rguenther@suse.de>
11115 * profile.c (compute_branch_probabilities): Remove code
11116 encapsulated in !ir_type (), which are remanents of the
11117 removed RTL profiling code.
11118 * rtl-profile.c: Remove.
11120 2006-04-12 Alan Modra <amodra@bigpond.net.au>
11122 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
11123 magic NULL_RTX comment.
11124 (function_arg): Store entire fp arg to mem if any part should go
11126 (rs6000_arg_partial_bytes): Adjust for above change.
11128 2006-04-11 Roger Sayle <roger@eyesopen.com>
11130 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
11131 if it hasn't been initialized by dwarf2out_init.
11133 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
11135 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
11136 symbolic constants in branch patterns.
11138 2006-04-11 Roger Sayle <roger@eyesopen.com>
11140 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
11142 2006-04-11 Richard Sandiford <richard@codesourcery.com>
11144 PR rtl-optimization/27073
11145 * gcse.c (try_replace_reg): Revert last change. Continue to search
11146 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
11149 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
11151 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
11152 aggregate types other than record and union types.
11153 (function_arg): Likewise.
11154 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
11156 (function_value): In 64-bit mode, return objects that require it
11159 2006-04-11 Roger Sayle <roger@eyesopen.com>
11161 * dwarf2out.c (premark_used_types): Remove problematic prototype.
11163 2006-04-11 Jakub Jelinek <jakub@redhat.com>
11165 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
11167 2006-04-03 Jeff Law <law@redhat.com>
11170 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11171 alias information too.
11173 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11175 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11177 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11180 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11181 (premark_used_types_helper): New.
11182 (premark_used_types): New.
11183 (gen_subprogram_die): Call premark_used_types.
11184 (prune_unused_types_walk): Do not prune perennial dies.
11185 * function.c (used_types_insert): New.
11186 * function.h (struct function): Add used_types_hash field.
11187 (used_types_insert): Add prototype.
11188 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11189 * c-parser.c (c_parser_cast_expression): Save casted types in used
11192 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11195 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11196 rs6000_explicit_options.float_gprs.
11198 2006-04-10 Roger Sayle <roger@eyesopen.com>
11200 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11201 from ix86_expand_vector_init_low_nonzero. Take an additional
11202 one_var argument indicating which element is non-zero. Support
11203 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11204 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11205 with one_var instead of ix86_expand_vector_init_low_nonzero.
11207 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11209 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11210 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11211 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11212 build/genextract.o): Depend on vecprim.h.
11213 * cfglayout.c, df-problems.c, function.c, genextract.c,
11214 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11215 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11219 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11221 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11222 Declare VECs of this type.
11223 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11224 (remove_children): Delete.
11225 (add_dwarf_attr): Use VEC routines.
11226 (add_AT_flag): Update for changes to add_dwarf_attr.
11227 (add_AT_int): Likewise.
11228 (add_AT_unsigned): Likewise.
11229 (add_AT_long_long): Likewise.
11230 (add_AT_vec): Likewise.
11231 (add_AT_string): Likewise.
11232 (add_AT_die_ref): Likewise.
11233 (add_AT_fde_ref): Likewise.
11234 (add_AT_loc): Likewise.
11235 (add_AT_loc_list): Likewise.
11236 (add_AT_addr): Likewise.
11237 (add_AT_lbl_id): Likewise.
11238 (add_AT_lineptr): Likewise.
11239 (add_AT_macptr): Likewise.
11240 (add_AT_offset): Likewise.
11241 (add_AT_range_list): Likewise.
11242 (get_AT): Use VEC_iterate.
11243 (remove_AT): Use VEC_ordered_remove.
11244 (free_die): Fold remove_children into here; have it use VEC_iterate.
11245 (print_die): Use VEC_iterate on attrs.
11246 (reverse_die_lists): Don't reverse attr lists.
11247 (die_checksum): Use VEC_iterate on attrs.
11248 (same_die_p): Likewise.
11249 (output_location_lists): Likewise.
11250 (build_abbrev_table): Likewise.
11251 (size_of_die): Likewise.
11252 (unmark_all_dies): Likewise.
11253 (output_abbrev_section): Likewise.
11254 (output_die): Likewise.
11255 (prune_unused_types_walk_attribs): Likewise.
11257 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11259 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11261 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11264 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11266 2006-04-09 Roger Sayle <roger@eyesopen.com>
11268 * expr.c (store_constructor): Don't bother clearing target if
11269 we're about to assign a vector to it using vec_init_optab.
11271 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11273 * tree-ssa-alias.c (lhs_may_store_to): New function.
11274 (recalculate_used_alone): Handle LHS of calls.
11276 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11280 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11281 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11282 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11283 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11284 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11285 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11286 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11287 stubs. Add ".align 8" directives before all ".dword" directives.
11288 (GTHREAD_USE_WEAK): Revise comment.
11289 (TARGET_ATTRIBUTE_WEAK): Define.
11290 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11291 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11292 * stublib.c: New file.
11297 * pa.md (cbranch patterns): Revise arguments used in calls to
11298 output_cbranch, output_bb and output_bvd. Add long branch length
11300 (fbranch patterns): Handle long branches.
11301 (jump): Revise length check. Revise arguments for output_lbranch call.
11302 Add long branch length attributes.
11303 (decrement_and_branch_until_zero): Add long branch length attributes.
11304 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11305 Likewise. Revise arguments for output_parallel_addb and
11306 output_parallel_movb calls.
11307 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11308 output_parallel_movb and output_parallel_addb): Update prototypes.
11309 * pa.c (output_cbranch): Revise arguments. Correct handling of
11310 nullification in long branches.
11311 (output_lbranch): Add new argument to control extraction of delay
11313 (output_bb): Handle long branches.
11314 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11315 output_parallel_addb): Likewise.
11317 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11319 PR rtl-optimization/27073
11320 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11323 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11325 * tree.h (tree_memory_tag): Add old_used_alone.
11326 (SMT_OLD_USED_ALONE): New macro.
11327 * tree-ssa-alias.c (recalculate_used_alone): Stop
11328 marking things for renaming unnecessarily.
11330 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11332 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11333 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11334 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11335 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11336 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11337 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11338 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11339 spelling convensions.
11340 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11341 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11342 typos. Follow spelling conventions.
11344 2006-04-07 DJ Delorie <dj@redhat.com>
11346 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11347 passed on the stack.
11348 (m32c_init_cumulative_args): When a function returns a structure,
11349 always pass the pointer to that return area on the stack.
11350 (m32c_function_arg_advance): Don't increment the parameter number
11351 if we're processing the returned structure pointer.
11352 (pushm_info): Reverse order of registers.
11354 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11356 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11357 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11358 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11359 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11360 build_int_cst_type.
11361 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11362 chrec_fold_multiply): Same.
11363 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11364 force_expr_to_var_cost): Same.
11365 * tree-mudflap.c (mf_xform_derefs_1): Same.
11366 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11368 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11370 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11371 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11374 2006-04-07 Jan Hubicka <jh@suse.cz>
11376 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11378 2006-04-07 Richard Guenther <rguenther@suse.de>
11380 PR tree-optimization/26135
11381 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11382 loads for store copy-prop.
11383 (copy_prop_visit_stmt): Likewise.
11385 2006-04-05 Robert Millan <robertmh@gnu.org>
11387 * config/i386/linux.h: Add a comment to mark macros that are
11388 being overriden in config/k*bsd-gnu.h.
11389 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11391 * config/knetbsd-gnu.h: Ditto.
11393 2006-04-06 Jan Hubicka <jh@suse.cz>
11397 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11400 2006-04-06 Mike Stump <mrs@apple.com>
11402 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11403 for HAVE_nonlocal_goto to be consistent.
11404 (expand_builtin_nonlocal_goto): Likewise.
11405 (expand_builtin_strcmp): Use #ifdef instead of #if
11406 for HAVE_cmpstrnsi to be consistent.
11408 2006-04-05 DJ Delorie <dj@redhat.com>
11410 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11413 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11415 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11416 got-relative addressing for anything but SImode.
11418 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11419 even if the calling function doesn't modify them.
11421 2006-04-05 Richard Guenther <rguenther@suse.de>
11423 PR tree-optimization/26919
11424 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11425 to cgraph_estimate_size_after_inlining.
11427 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11429 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11431 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11433 PR tree-optimization/26996
11434 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11435 VECTOR_TYPE variables.
11437 2006-04-05 Richard Guenther <rguenther@suse.de>
11439 PR tree-optimization/26763
11440 * fold-const.c (fold_comparison): Move folding of
11441 PTR + CST CMP PTR + CST ...
11442 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11444 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11446 * doc/install.texi (Prerequisites): Refine some wording on
11447 bootstrapping and ksh.
11448 Move the version numbers of DejaGnu here from the testing section
11449 and fix casing of names.
11450 Fix markup and clarify wording for autogen requirements.
11451 Refer to GCJ instead of just java.
11452 Refer to SVN instead of CVS.
11453 Describe diffutils as useful instead of necessary.
11454 (Downloading the source): Refer to SVN instead of CVS.
11455 Adjust a link to our web site accordingly.
11456 (Configuration): Fix casing of Bison.
11457 (Building): Refer to SVN instead of CVS.
11458 Fix a sentence on the use of Bison and remove duplicate (and
11459 incorrect) version number of Bison requirement.
11460 Remove one redundant list of packages needed for building.
11461 (Specific): Avoid reference to CVS.
11463 2006-04-04 Eric Christopher <echristo@apple.com>
11465 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11466 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11467 (rs6000_handle_struct_attribute): New.
11468 (rs6000_ms_bitfield_layout_p): Ditto.
11470 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11472 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11473 NULL for dso parameter to atexit_common.
11475 2006-04-04 Eric Christopher <echristo@apple.com>
11477 * config/i386/i386.c (machopic_output_stub): Output \t
11478 between instructions and operands.
11480 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11482 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11483 satisfies_constraint_[IL] to explicit tests on value.
11485 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11487 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11488 set_nb_iterations_in_loop): Use build_int_cst instead of
11489 build_int_cst_type.
11490 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11491 build_int_cst instead of convert.
11493 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11495 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11496 new value 2 for incoming.
11497 * function.c (expand_function_start): Call struct_value_rtx
11498 with incoming as 2.
11499 * config/sparc/sparc.md: Comment updated_return.
11500 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11501 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11502 struct return if sparc_std_struct_return and incoming is 2.
11503 (print_operand): Do not adjust return if
11504 sparc_std_struct_return.
11506 2006-04-04 Roger Sayle <roger@eyesopen.com>
11508 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11509 convert in the middle-end.
11510 * expr.c (store_expr, store_constructor, get_inner_reference,
11511 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11513 * tree.c (build_range_type): Likewise.
11515 2006-04-04 Tom Tromey <tromey@redhat.com>
11517 * doc/install.texi (Prerequisites): Mention jar.
11519 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11521 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11524 2006-04-04 Matthias Klose <doko@debian.org>
11526 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11530 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11533 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11535 * doc/extend.texi (Function Attributes): Rewrite visibility
11536 attribute documentation.
11537 * doc/invoke.texi (C++ Dialect Options): Rewrite
11538 -fvisibility-inlines-hidden documentation to describe something
11539 entirely different, although in practise compatible.
11540 (Code Gen Options): Warn about system headers in -fvisibility=
11543 * doc/extend.texi (Other Builtins): Document that
11544 __builtin_nan is a compile-time constant only when its argument
11547 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11549 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11550 trying to remove TRUNCATE check if all bits outside the new mode
11551 are identical to the sign bit.
11553 2006-04-03 Jeff Law <law@redhat.com>
11555 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11556 and operand scanning in some common cases.
11558 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11559 Dale Johannesen <dalej@apple.com>
11562 * regclass.c (struct reg_pref): Update documentation.
11563 (regclass): Set prefclass to NO_REGS if memory is the best option.
11564 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11565 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11566 into account. For non-registers, equate an empty preferred
11567 reload class to a `!' in the constraint; move the if clause to
11568 do so after those that reject the insn.
11569 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11571 (find_dummy_reload): Likewise.
11572 * doc/tm.texi (Register Classes): Document what it means
11573 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11574 * config/i386/i386.c (ix86_preferred_reload_class): Force
11575 using SSE registers (and return NO_REGS for floating-point
11576 constants) if math is done with SSE.
11577 (ix86_preferred_output_reload_class): New.
11578 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11579 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11580 * config/i386/i386.md: Remove # register preferences.
11582 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11585 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11586 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11587 the type of nb_iter.
11588 (instantiate_parameters_1): Convert the operands before calling
11589 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11590 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11592 2006-04-02 Roger Sayle <roger@eyesopen.com>
11594 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11595 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11596 instead of convert.
11597 * dojump.c (do_jump): Likewise.
11598 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11599 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11600 gimplify_boolean_expr): Likewise.
11601 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11602 * varasm.c (array_size_for_constructor): Likewise.
11603 * tree-object-size.c (compute_object_offset): Likewise.
11605 2006-04-02 Roger Sayle <roger@eyesopen.com>
11607 PR middle-end/26977
11608 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11609 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11611 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11613 PR tree-optimization/26939
11614 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11616 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11618 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11619 at_stmt. Convert the type of operands before calling
11620 build_polynomial_chrec.
11621 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11622 add_to_evolution_1.
11623 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11624 (instantiate_parameters_1): Convert the type of operands before calling
11625 build_polynomial_chrec.
11626 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11627 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11628 reset_evolution_in_loop): Insert asserts to check the types of the
11630 (chrec_type): Moved...
11631 (eq_evolutions_p): Use operand_equal_p.
11632 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11633 the types of the operands.
11634 (chrec_type): ...here.
11635 * tree-data-ref.c (create_data_ref): Convert the operands before
11636 calling chrec_replace_initial_condition.
11637 (same_access_functions, analyze_subscript_affine_affine,
11638 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11639 (compute_subscript_distance, analyze_ziv_subscript,
11640 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11641 analyze_miv_subscript): Convert the operands before calling
11642 chrec_fold_minus or chrec_fold_plus.
11644 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11646 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11647 the dependence_relations vector.
11648 (compute_data_dependences_for_loop): Adjust call to
11649 compute_all_dependences.
11651 2006-04-01 Roger Sayle <roger@eyesopen.com>
11652 Richard Henderson <rth@redhat.com>
11654 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11655 gimple_boolify on the condition before calling gimplify_expr.
11657 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11659 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11660 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11661 the frame size. Update to use the new macros.
11662 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11663 * config/xtensa/ieee754-df.S: Likewise.
11665 2006-03-31 Richard Henderson <rth@redhat.com>
11667 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11668 (make_edges): ... here. Control fallthru creation with a local
11669 variable. Do not play with fake edges.
11670 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11671 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11674 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11676 * dwarf2.h (DW64_CIE_ID): Define.
11677 * dwarf2out.c (DWARF_CIE_ID): Define.
11678 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11679 length header. Use DWARF_CIE_ID.
11680 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11681 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11683 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11685 * config/sh/linux-atomic.asm: New file.
11686 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11688 2006-03-31 DJ Delorie <dj@redhat.com>
11690 * config/m32c/cond.md: Set condition flags properly throughout.
11691 * config/m32c/minmax.md: Likewise.
11692 * config/m32c/prologue.md: Likewise.
11693 * config/m32c/bitops.md: Likewise.
11694 * config/m32c/muldiv.md: Likewise.
11695 * config/m32c/mov.md: Likewise.
11696 * config/m32c/addsub.md: Likewise.
11697 * config/m32c/m32c.md: Likewise.
11698 * config/m32c/jump.md: Likewise.
11699 * config/m32c/shift.md: Likewise.
11701 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11702 conditionally output the pattern for this.
11703 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11704 (m32c_compare_redundant): New.
11705 (m32c_output_compare): New.
11706 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11708 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11709 dest, not src. Allow other 4-byte modes.
11711 2006-03-30 Denis Chertykov <denisc@overta.ru>
11713 * doc/md.texi: Refer to avr/constraints.md instead of
11716 2006-03-30 Roger Sayle <roger@eyesopen.com>
11718 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11719 signed vs. unsigned comparison failures on some hosts.
11721 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11724 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11725 change to FLOAT_REGS.
11727 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11728 (rs6000_override_options): Use it.
11729 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11730 only for -mabi=spe/no-spe and -mabi=altivec.
11732 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11734 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11737 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11739 * Makefile.in: Rename docdir to gcc_docdir.
11741 2006-03-30 Roger Sayle <roger@eyesopen.com>
11744 * expr.c (emit_group_store): Optimize group stores into a pseudo
11745 register by using a paradoxical subreg to initialize the destination
11746 if the first or last member of the group specifies a "low part".
11748 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11751 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11752 * target.h (struct gcc_target.speculate_insn): Change type of the
11753 second parameter to 'int'.
11754 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11755 the second operand of the DEPS_LIST.
11756 (copy_DEPS_LIST_list): Update reference to the second operand of the
11758 * rtl.h (alloc_DEPS_LIST): Update signature.
11759 * sched-int.h (ds_t): Change typedef to 'int'.
11760 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11762 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11764 * haifa-sched.c (try_ready): Change condition to restore
11765 non-speculative pattern of the instruction.
11766 (process_insn_depend_be_in_spec): Code to keep probability of the
11767 speculative dependence non-decreasing.
11769 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11771 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11772 (single_move_for_movmem): ... this. Also change all uses.
11773 (bfin_expand_strmov): Renamed to...
11774 (bfin_expand_movmem): ... this. Also change all uses.
11775 * config/bfin/bfin.md (movstrsi): Renamed to...
11776 (movstrsi): ...this.
11778 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11780 PR tree-optimization/26830
11782 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11783 (copy_prop_visit_stmt): Remove write-only variable ann.
11784 (init_copy_prop): Check variable loop depth here. Do not simulate
11785 memory-tag and virtual operand PHIs except for store copy prop.
11787 2006-03-30 Richard Guenther <rguenther@suse.de>
11789 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11790 variants with double arguments.
11792 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11794 * genpreds.c (write_tm_constrs_h): Delete variable p.
11795 * genconditions.c (write_header): Add tm-constrs.h to included
11797 * genpeep.c (main): Add toplev.h to included headers.
11798 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11799 (build/genpeep.o): Add toplev.h dependency.
11800 * config/rs6000/constraints.md: Add "W" constraint.
11802 2006-03-29 Roger Sayle <roger@eyesopen.com>
11804 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11805 sizes by correctly testing whether the size fits a host integer.
11806 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11807 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11808 SImode range for the default sizetype and bitsizetype.
11810 2006-03-29 Roger Sayle <roger@eyesopen.com>
11812 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11813 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11814 quickly if the argument is already of the correct type.
11815 Call fold_build1 instead of build1. Tidy up blank lines.
11817 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11819 * genemit.c (main): Add tm-constrs.h to included headers.
11820 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11821 * genpeep.c (main): Add tm-constrs.h to included headers.
11822 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11823 (write_tm_constrs_h): this and write complete file.
11824 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11825 (write_insn_preds_c): Add tm-constrs.h to included headers.
11826 (gen_constrs): New variable.
11827 (parse_option): Parse "-c".
11828 (main): Invoke write_tm_constrs_h.
11829 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11830 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11831 (object_out_file): Add tm-constrs.h dependency.
11832 (insn-emit.o): Same.
11833 (insn-output.o): Same.
11834 (insn-peep.o): Same.
11835 (insn-preds.o): Same.
11836 (insn-recog.o): Same.
11837 (tm-constsr.h): New target.
11838 (s-constrs-h): New target.
11840 * config/rs6000/constraints.md: New file.
11841 * config/rs6000/rs6000.c: Include tm-constrs.h.
11842 (num_insn_constant_wide): Convert to satisfies_constraint.
11843 (rs6000_rtx_costs): Convert to satisfies_constraint.
11844 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11845 (CONST_OK_FOR_LETTER_P): Delete.
11846 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11847 (EXTRA_CONSTRAINT): Delete.
11848 (EXTRA_MEMORY_CONSTRAINT): Delete.
11849 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11850 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11851 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11852 satisfies_constraint.
11854 * config/i386/i386.c: Include tm-constrs.h.
11856 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11858 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11859 * tree-data-ref.c (find_data_references_in_loop,
11860 compute_data_dependences_for_loop): Use pointers to VEC.
11861 (analyze_all_data_dependences): Adjust calls.
11862 * tree-data-ref.h (find_data_references_in_loop,
11863 compute_data_dependences_for_loop): Adjust declarations.
11864 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11865 compute_data_dependences_for_loop.
11867 2006-03-29 Paul Brook <paul@codesourcery.com>
11869 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11870 (movdf_vfp): Ditto.
11872 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11874 PR tree-optimization/26859
11875 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11877 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11878 for the step after fold_convert.
11880 2006-03-29 Paul Brook <paul@codesourcery.com>
11882 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11883 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11885 2006-03-29 Paul Brook <paul@codesourcery.com>
11887 PR middle-end/23623
11888 * targhooks.c (default_narrow_bitfield): New fuction.
11889 * targhooks.h (default_narrow_bitfield): add prototype.
11890 * target.h (gcc_target): Add narrow_volatile_bitfield.
11891 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11892 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11893 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11894 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11896 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11898 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11900 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11901 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11902 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11903 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11904 (s390_function_arg_float): Allow SDmode and DDmode values to be
11905 passed in floating point registers.
11906 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11907 check with SCALAR_FLOAT_MODE_P.
11908 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11910 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11912 PR tree-optimization/25985
11913 * tree-ssa-loop-niter.c (number_of_iterations_le,
11914 number_of_iterations_ne): Make comments more precise.
11915 (number_of_iterations_cond): Add only_exit argument. Use the
11916 fact that signed variables do not overflow only when only_exit
11918 (loop_only_exit_p): New.
11919 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11920 number_of_iterations_cond.
11922 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11924 PR tree-optimization/26643
11925 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11928 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11930 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11931 (divsi3_i4_int): Likewise.
11933 2006-03-28 Roger Sayle <roger@eyesopen.com>
11935 * expr.c (emit_group_store): Only create a new pseudo reg if the
11936 quantity it needs to hold isn't already a suitable pseudo.
11938 2006-03-28 Jeff Law <law@redhat.com>
11940 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11941 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11943 2006-03-28 Roger Sayle <roger@eyesopen.com>
11945 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11946 the equivalent ~X & Y, and the symmetry related transformations.
11947 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11948 ~X & Y, and symmetry related transforms.
11950 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11952 Revert my 2006-03-27 patches.
11954 2006-03-28 Roger Sayle <roger@eyesopen.com>
11956 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11957 ~(T1)X, when T1 and T2 are integer types of the same precision
11958 and (T2)X isn't an extension.
11960 2006-03-28 Jeff Law <law@redhat.com>
11962 PR tree-optimization/26796
11963 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11964 need EH edge cleanups rather than purging them immediately.
11965 (eliminate_degenerate_phis): Handle queued EH cleanups.
11967 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11969 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11972 2006-03-27 Roger Sayle <roger@eyesopen.com>
11974 PR middle-end/22524
11975 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11976 cast BIT_NOT_EXPR operand to the correct type.
11978 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11980 * tree-loop-linear.c: Don't include varray.h.
11981 (gather_interchange_stats, try_interchange_loops,
11982 linear_transform_loops): Use VEC instead of VARRAY.
11983 * lambda-mat.c: Don't include varray.h.
11984 * tree-chrec.c: Same.
11985 * lambda-trans.c: Same.
11986 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11987 VEC instead of VARRAY.
11988 * tree-vectorizer.h: Idem.
11989 * tree-data-ref.c (dump_data_references,
11990 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11991 initialize_data_dependence_relation, finalize_ddr_dependent,
11992 compute_all_dependences, find_data_references_in_loop,
11993 compute_data_dependences_for_loop, analyze_all_data_dependences,
11994 free_dependence_relation, free_dependence_relations,
11995 free_data_refs): Idem.
11996 * tree-data-ref.h (data_reference_p, subscript_p): New.
11997 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11998 VEC instead of VARRAY.
11999 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
12000 (find_data_references_in_loop, compute_data_dependences_for_loop,
12001 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
12002 dump_data_dependence_relations, free_dependence_relations,
12003 free_data_refs): Adjust declaration.
12004 (lambda_transform_legal_p): Move declaration here...
12005 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
12006 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
12007 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
12008 vect_analyze_data_refs): Use VEC instead of VARRAY.
12009 * lambda.h (lambda_transform_legal_p): ...from here.
12010 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
12011 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
12012 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
12013 tree-chrec.o): Don't depend on VARRAY_H.
12015 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12017 * rtl.def (Copyright): Update date.
12018 (DEPS_LIST): Change type of the second operand to 'int'.
12019 * target.h (Copyright): Update date.
12020 (struct gcc_target.speculate_insn): Change type of the second parameter
12022 * lists.c (Copyright): Update date.
12023 (alloc_DEPS_LIST): Change signature. Update reference to the second
12024 operand of the DEPS_LIST.
12025 (copy_DEPS_LIST_list): Update reference to the second operand of the
12027 * rtl.h (Copyright): Update date.
12028 (alloc_DEPS_LIST): Update signature.
12029 * sched-int.h (Copyright): Update date.
12030 (ds_t): Change typedef to 'int'.
12031 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12033 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12035 * haifa-sched.c (Copyright): Update date.
12036 (try_ready): Change condition to restore non-speculative pattern
12037 of the instruction.
12038 (process_insn_depend_be_in_spec): Code to keep probability of the
12039 speculative dependence non-decreasing.
12041 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
12043 * regrename.c (replace_oldest_value_addr): Initialize a variable to
12044 shut up the compiler.
12046 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
12048 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
12049 to use lib prefix for target.
12050 ($(T)libic_invalidate_array_4-200.a): Likewise.
12051 ($(T)libic_invalidate_array_4a.a): Likewise.
12053 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
12054 J"orn Rennecke <joern.rennecke@st.com>
12056 * superh.opt: New file.
12057 * sh.c (boardtype, osruntime): Remove.
12058 * superh.h (SUBTARGET_OPTIONS): Remove.
12059 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
12061 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
12062 arguments with ^ and/or [].
12064 * config.gcc (sh-*-*): Add quoting to account for quirk of
12066 Replace == with = in enable_incomplete_targets test.
12068 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
12069 with MASK_LITTLE_ENDIAN.
12071 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
12072 * config/sh/sh.opt: Added to some comments.
12073 * config/sh/superh.h: Removed some chaff.
12075 * config/sh/sh.opt: Add m4-[1234]00* options.
12076 * config/sh/sh.c (sh_handle_option): Likewise.
12077 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
12078 (ic_invalidate_array_4-100.o): New rule.
12079 ($(T)libic_invalidate_array_4-100.a): Likewise.
12080 (ic_invalidate_array_4-200.o): Likewise.
12081 ($(T)libic_invalidate_array_4-200.a): Likewise.
12082 (ic_invalidate_array_4a.o): Likewise.
12083 ($(T)libic_invalidate_array_4a.a): Likewise.
12084 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
12085 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
12087 * config/sh/crt1.asm: Merged in profiling code.
12088 * config/sh/superh.h (STARTFILE_SPEC): Override.
12089 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
12090 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
12091 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
12093 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
12094 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
12095 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
12097 * sh.opt (mpretend-cmove): New option.
12098 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
12099 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
12100 (movsicc): Add TARGET_PRETEND_CMOVE code.
12102 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
12104 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
12105 s390_class_max_nregs): New function prototypes.
12106 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
12107 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
12108 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
12109 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
12111 2006-03-26 Geoffrey Keating <geoffk@apple.com>
12113 * dwarf2out.c (add_location_or_const_value_attribute): Call
12114 tree_add_const_value_attribute if nothing else works.
12115 (reference_to_unused): New.
12116 (rtl_for_decl_init): Use reference_to_unused to decide whether
12117 to output an initializer.
12119 2006-03-27 Alan Modra <amodra@bigpond.net.au>
12122 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
12123 peephole removing spe frob_di_df_2.
12125 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
12127 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
12128 (subscript_dependence_tester_1): Declared.
12129 (print_dir_vectors, print_dist_vectors): New.
12130 (debug_data_dependence_relation): New.
12131 (dump_data_dependence_relation): Print more details.
12132 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
12133 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
12134 (save_dist_v, save_dir_v, add_outer_distances,
12135 build_classic_dist_vector_1): New.
12136 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
12137 Don't test for lambda_vector_lexico_pos.
12138 (same_access_functions, add_multivariate_self_dist,
12139 add_other_self_distances, dir_from_dist): New.
12140 (build_classic_dir_vector): Replace implementation almost identical to
12141 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
12143 (subscript_dependence_tester_1): New.
12144 (subscript_dependence_tester): Handle the lexicographically negative
12145 distance vectors by recomputing the dependence relation.
12146 (compute_affine_dependence): Remove parameter loop_nest_depth.
12147 (compute_self_dependence): Don't call compute_subscript_distance.
12148 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
12149 Add a parameter for the loop_nest.
12150 (find_loop_nest_1, find_loop_nest): New.
12151 (compute_data_dependences_for_loop): Compute the loop nest, and give
12152 up if the nest is not well formed.
12153 * tree-data-ref.h (loop_p): New.
12154 (struct data_dependence_relation): Replace size_vect field with
12155 loop_nest, a vec of loops.
12156 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
12157 (DDR_LOOP_NEST): New.
12158 (print_dir_vectors, print_dist_vectors,
12159 debug_data_dependence_relation): Declared.
12160 (index_in_loop_nest): New.
12161 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
12162 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
12165 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
12167 * simplify-rtx.c (simplify_relational_operation): Call
12168 simplify_relational_operation_1 even if mode is VOIDmode.
12170 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12172 PR tree-optimization/26804
12173 * tree.h (DECL_CALL_CLOBBERED): New macro.
12174 (tree_decl_common): Add call_clobbered_flag.
12175 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12176 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12177 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12178 (mark_non_addressable): Ditto.
12179 * tree-ssa.c (verify_call_clobbered): New function.
12180 (verify_alias_info): Use it.
12181 * tree-pass.h (pass_reset_cc_flags): New prototype.
12182 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12183 (reset_cc_flags): New function.
12184 * passes.c (init_optimization_passes): Call reset_cc_flags after
12185 initializing referenced_vars.
12187 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12188 Roger Sayle <roger@eyesopen.com>
12190 PR middle-end/26717
12191 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12192 to 1.0 for non-real operands. Implement A / A optimization for
12195 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12197 * config/i386/i386.c (size_cost): Correct the comment for
12198 cost of storing fp registers.
12199 (i386_cost): Likewise.
12200 (i486_cost): Likewise.
12201 (pentium_cost): Likewise.
12202 (pentiumpro_cost): Likewise.
12203 (k6_cost): Likewise.
12204 (athlon_cost): Likewise.
12205 (k8_cost): Likewise.
12206 (pentium4_cost): Likewise.
12207 (nocona_cost): Likewise.
12208 (generic64_cost): Likewise.
12209 (generic32_cost): Likewise.
12211 2006-03-24 Denis Chertykov <denisc@overta.ru>
12213 * config/avr/avr-protos.h (extra_constraint): Delete.
12214 (extra_constraint_Q): New declaration.
12215 * config/avr/constraints.md: New file.
12216 * config/avr/avr.md: Include it.
12217 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12218 (TMP_REGNO, ZERO_REGNO): Likewise.
12219 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12220 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12221 (extra_constraint): Delete.
12222 (extra_constraint_Q): Test for memory constraint 'Q'.
12223 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12224 (REG_CLASS_FROM_LETTER): Delete.
12225 (CONST_OK_FOR_LETTER_P): Delete.
12226 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12227 (EXTRA_CONSTRAINT): Delete.
12228 (TMP_REGNO): Delete.
12229 (ZERO_REGNO): Delete.
12231 2006-03-24 Jeff Law <law@redhat.com>
12233 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12234 directly. Call mark_new_vars_to_rename slightly earlier.
12236 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12238 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12239 (is_cxx): Likewise.
12240 (gen_compile_unit_die): Use new language types for Objective-C and
12242 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12243 DW_LANG_C_plus_plus.
12246 * config/t-darwin (crt3.o): Work around bug 26840.
12247 * config/darwin-crt3.c: Rewrite.
12248 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12250 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12252 * doc/invoke.texi: Document -femit-class-debug-always
12253 * common.opt: Add -femit-class-debug-always.
12255 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12257 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12258 index and base register.
12259 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12260 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12261 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12262 REGNO_OK_FOR_INDEX_P.
12263 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12265 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12266 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12267 REG_OK_FOR_BASE_P): Definitions removed.
12269 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12271 PR middle-end/26611
12272 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12273 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12274 set yet or weren't marked as local yet.
12276 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12278 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12281 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12283 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12284 (rs6000_legitimate_small_data_p): Delete.
12285 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12286 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12287 and make static. Add forward declaration. Update uses.
12288 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12289 of offsettable_memref_p.
12290 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12291 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12293 2006-03-24 Jeff Law <law@redhat.com>
12295 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12296 around bug in immediate-use iterator.
12298 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12301 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12302 or __LITTLE_ENDIAN__.
12304 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12306 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12307 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12308 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12309 * config/sh/sh.opt (mdiv=): Amend description.
12310 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12311 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12312 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12313 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12314 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12315 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12316 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12317 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12318 TARGET_DIVIDE_CALL_FP.
12320 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12322 * haifa-sched.c (choose_ready): Fix type of the local variable.
12323 Move local variables. Add comment.
12324 (check_reg_live): Change signature. Make callable from debugger.
12325 * sched-int.h (check_reg_live): Update signature.
12326 * sched-ebb.c (check_reg_live): Update parameters.
12327 * sched-rgn.c (check_reg_live): Ditto.
12328 (region_head_or_leaf_p): Check pointer before dereferencing.
12329 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12330 before reload on optimization levels below 1.
12332 2006-03-23 Richard Henderson <rth@redhat.com>
12334 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12338 * config/alpha/predicates.md (local_symbolic_operand): Reject
12341 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12344 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12345 expressions which have overflowed constants.
12347 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12349 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12351 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12353 * cfgloopmanip.c (create_loop_notes): Removed.
12354 * final.c (final_scan_insn): Do not handle loop notes.
12355 * jump.c (squeeze_notes): Ditto.
12356 * cfglayout.c (skip_insns_after_block,
12357 duplicate_insn_chain): Ditto.
12358 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12360 * cfgloop.h (create_loop_notes): Declaration removed.
12362 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12364 * varasm.c (output_constant_pool): Restore fnname and fndecl
12366 (assemble_start_function): Adjust call accordingly.
12367 (assemble_end_function): Likewise.
12369 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12372 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12375 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12377 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12380 * system.h (ICE_EXIT_CODE): New macro.
12381 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12382 (diagnostic_action_after_output): Likewise.
12383 * gcc.c (fatal_ice): New function.
12384 (execute): Use it instead of fatal.
12385 (fancy_abort): Likewise.
12386 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12388 2006-03-22 Jeff Law <law@redhat.com>
12390 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12391 iv_analyze_result returning false.
12393 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12395 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12397 2006-03-22 Richard Henderson <rth@redhat.com>
12399 PR middle-end/26084
12400 * except.c (duplicate_eh_regions_0): New.
12401 (duplicate_eh_region_1): Duplicate the children of the node as
12402 well as the node itself. Link them up properly.
12403 (duplicate_eh_region_2): Merge into ...
12404 (duplicate_eh_regions): ... here. Take copy_region argument, and
12405 copy only a sub-tree if asked. Simplify copying and fixup.
12406 (eh_region_outer_p): New.
12407 * except.h (duplicate_eh_regions): Update decl.
12408 (eh_region_outer_p): Declare.
12409 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12410 (lower_omp_master): Likewise.
12411 (lower_omp_ordered): Likewise.
12412 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12413 (move_stmt_r): Use it to remap labels. Handle recursion vs
12414 remap_decls_p properly.
12415 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12416 (find_outermost_region_in_block): New.
12417 (new_label_mapper): New.
12418 (move_sese_region_to_fn): Copy eh information to the new function
12420 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12422 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12425 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12427 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12428 into shared libraries.
12430 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12432 * doc/md.texi: Refer to i386/constraints.md instead of
12433 i386/predicates.md.
12434 * config/i386/constraints.md: New file, extracted from...
12435 * config/i386/predicates.md: ...here.
12436 * config/i386/i386.md: Include constraints.md.
12438 2006-03-21 Jason Merrill <jason@redhat.com>
12440 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12442 PR middle-end/20297
12443 * expr.c (init_block_move_fn): Force default visibility.
12444 (init_block_clear_fn): Likewise.
12445 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12446 * targhooks.c (default_external_stack_protect_fail): Likewise.
12448 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12450 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12451 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12452 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12453 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12454 (loadgp): Use mips_current_loadgp_style.
12455 (loadgp_noshared): New pattern.
12456 (sibcall_internal): Use MIPS_CALL.
12457 (sibcall_value_internal): Likewise.
12458 (sibcall_value_multiple_internal): Likewise.
12459 (call_internal): Likewise.
12460 (call_value_internal): Likewise.
12461 (call_value_multiple_internal): Likewise.
12462 (call_split): Use MIPS_CALL and add an 'S' constraint.
12463 (call_value_split): Likewise.
12464 (call_value_multiple_split): Likewise.
12465 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12466 (-mshared): New option.
12467 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12468 (mips_current_loadgp_style): Declare.
12469 * config/mips/mips.c (mips_classify_symbol): Avoid using
12470 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12471 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12472 TARGET_ABSOLUTE_ABICALLS.
12473 (override_options): Adjust comments. Improve the warning that is
12474 issued when -mabicalls and -G are used together.
12475 (mips_file_start): Remove comment.
12476 (mips_current_loadgp_style): New function.
12477 (mips_gnu_local_gp): New variable.
12478 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12480 (mips_output_function_prologue): Use mips_current_laodgp_style.
12481 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12482 the cprestore instruction.
12483 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12484 live for TARGET_ABSOLUTE_ABICALLS.
12485 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12486 (ASM_SPEC): Pass down -mshared and -mno-shared.
12487 (MIPS_CALL): New macro.
12488 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12490 * doc/invoke.texi (-mabicalls): Update documentation.
12491 (-mshared): Document.
12493 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12495 * config/ia64/unwind-hpux.c: New file.
12496 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12498 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12501 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12503 2006-03-21 Jeff Law <law@redhat.com>
12505 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12506 type conversions of a VR_VARYING source to a wider type.
12508 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12510 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12511 tm_file on Solaris 10 and later.
12512 (sparc64-*-solaris2*): Likewise.
12513 (sparc-*-solaris2*): Likewise.
12514 * config/sol26.h: Rename to config/sol2-6.h.
12515 * config/sol2-10.h: New file.
12517 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12520 * tree-ssa-pre.c (create_component_ref_by_pieces):
12523 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12526 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12527 return it immediately.
12529 2006-03-21 Michael Matz <matz@suse.de>
12531 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12533 (remove_arc, add_arc): Update num_out_arcs member.
12534 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12536 (cache_presence): New function.
12537 (compare_states_for_equiv): New function.
12538 (state_is_differed): Don't take number of outargs, adjust callers.
12539 Use new invariant for speeding up.
12540 (init_equiv_class): Create initial classes based on sorted
12542 (partition_equiv_class): Don't track out_arcs_num.
12543 (evaluate_equiv_classes): Call cache_presence on all states and
12546 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12548 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12549 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12550 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12551 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12553 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12554 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12555 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12556 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12557 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12559 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12560 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12561 (REGNO_REG_CLASS): ARGP is in PREGS.
12562 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12564 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12565 to deal with those addresses.
12566 * addresses.h: New file.
12567 * caller-save.c: Include "addresses.h".
12568 (init_caller_save): Use new base_reg_class function.
12569 * rtl-factoring.c: Include "addresses.h".
12570 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12571 * recog.c: Include "addresses.h".
12572 (preprocess_constraints): Use new base_reg_class function.
12573 * regrename.c: Include "addresses.h".
12574 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12575 functions. Keep track of a new var INDEX_CODE to compute valid
12577 (replace_oldest_value_addr): Likewise.
12578 (replace_oldest_value_mem): Use base_reg_class.
12579 * reload.c: Include "addresses.h".
12580 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12581 (find_reloads): Use new base_reg_class function.
12582 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12583 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12584 all callers and prototype changed.
12585 * reload1.c: Include "addresses.h".
12586 (maybe_fix_stack_asms): Use base_reg_class.
12587 * regclass.c: Include "addresses.h".
12588 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12589 (init_reg_autoinc): Use new base_reg_class function.
12590 (record_reg_classes): Likewise.
12591 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12592 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12593 Use new args to compute necessary class.
12595 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12596 regrename.o, rtl-factoring.o): Update dependencies.
12597 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12598 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12599 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12600 REG_OK_FOR_INDEX_P): Delete documentation.
12602 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12604 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12605 from V7 to V9 for Solaris 7 and above.
12607 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12609 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12610 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12611 argument pointers may not alias any other storage.
12612 * common.opt: Define option -fargument-noalias-anything.
12613 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12614 alias semantics is specified by flag_argument_noalias > 2.
12616 2006-03-20 Jeff Law <law@redhat.com>
12618 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12619 (pass_phi_only_cprop): Declare.
12620 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12621 with phi_only_cprop
12622 * tree-ssa-dom.c (degenerate_phi_result): New function.
12623 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12624 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12625 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12626 (eliminate_degenerate_phis): Likewise.
12627 (pass_phi_only_cprop): New pass descriptor.
12628 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12629 support code. Callers updated.
12630 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12631 (store_copy_prop): Likewise.
12632 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12634 2006-03-20 Jason Merrill <jason@redhat.com>
12637 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12638 (push_visibility, pop_visibility): Likewise.
12639 * c-pragma.h: Declare them.
12641 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12643 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12645 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12646 parameter and use get_ebb_head_tail.
12647 (sh_md_init_global): Adjust uses of find_regmode_weight.
12649 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12651 * function.h (struct function) <x_tail_recursion_reentry>:
12652 Rename to x_stack_check_probe_note.
12653 (tail_recursion_reentry): Rename to stack_check_probe_note.
12654 * function.c: Replace tail_recursion_reentry with
12655 stack_check_probe_note everywhere.
12656 (expand_function_start): Only emit a note for
12657 stack_check_probe_note with -fstack-protect.
12658 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12660 * emit-rtl.c (remove_unnecessary_notes): Remove.
12661 (pass_remove_unnecessary_notes): Remove.
12662 * rtl.h (remove_unnecessary_notes): Remove prototype.
12663 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12664 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12665 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12667 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12670 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12671 (valid_in_set): Handle ARRAY_REF.
12672 Change "if min_variant or VH" to asserts.
12673 (create_component_ref_by_pieces): Handle ARRAY_REF.
12674 (create_expression_by_pieces): Likewise.
12675 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12677 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12679 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12680 is operand of switch, not str[0].
12682 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12684 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12685 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12687 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12689 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12690 end of insn_extra_address_constraint declaration.
12692 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12694 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12695 (no-sum-in-toc): Same.
12696 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12698 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12699 NO_FP_IN_TOC for -fPIC instead of mask.
12701 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12702 (BOOT_LDFLAGS): Delete.
12704 * config/rs6000/t-aix52: Same.
12706 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12707 (stmsi[345678]_power): New.
12709 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12711 * config/ia64/ia64.opt: Add empty line to end of file.
12713 2006-03-17 Richard Guenther <rguenther@suse.de>
12715 PR middle-end/26721
12716 * builtins.c (get_pointer_alignment): For component style references
12717 adjust alignment to the component type alignment. Make sure
12718 to adjust alignment for component access of constants.
12720 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12722 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12723 unconditional jump.
12725 2006-03-17 Paul Brook <paul@codesourcery.com>
12727 * doc/install.texi: Docuemnt --with-mode.
12728 * config.gcc: Add --with-mode for arm*-*-*.
12729 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12731 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12733 * sh.c (max_labelno_before_reorg): New variable.
12734 (sh_reorg): Initialize it.
12735 (find_barrier): Check max_labelno_before_reorg before using
12736 label_to_alignment. Take length of explicit alignment insns
12737 into account. When seeing a UNSPECV_CONST_END, return it.
12739 * sh.c (fixup_mova): Set mode of affected label to QImode.
12740 (untangle_mova): New function.
12741 (find_barrier): Use it. Check mode of label before decrementing
12743 (sh_reorg): Likewise.
12744 Set mode of all insns back to VOIDmode.
12746 * sh.c (MOVA_LABELREF): New macro.
12747 (mova_p, fixup_mova, sh_reorg): Use it.
12748 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12749 ADDR_DIFF_VEC matches mova.
12751 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12753 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12754 with ATTRIBUTE_UNUSED.
12756 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12758 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12759 pointer, instead of assuming it is possible to derive the
12760 correct args size from a call insn.
12762 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12764 * rtl.h (CONST_INT_P): Define.
12765 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12766 instead of GET_CODE(x) == CONST_INT.
12767 (vax_rtx_costs): Likewise.
12768 (vax_output_int_move): Likewise.
12769 (vax_output_int_add): Likewise.
12770 (legitimate_constant_address_p): Likewise.
12771 (index_term_p): Likewise.
12772 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12773 * config/vax/vax.md (and<mode>3): Likewise.
12774 (ashrsi3): Likewise.
12776 (movstricthi): Likewise.
12777 (movstrictqi): Likewise.
12778 (rotrsi3): Likewise.
12779 (five unnamed insns): Likewise.
12781 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12783 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12784 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12785 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12786 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12787 Pass to ASM_OUTPUT_DWARF_OFFSET.
12788 * dwarf2out.c (debug_frame_section): New.
12789 (output_call_frame_info): Use debug_frame_section. Pass it to
12790 dw2_asm_output_offset.
12791 (output_die): Pass appropriate section to dw2_asm_output_offset.
12792 (output_compilation_unit_header): Likewise.
12793 (output_pubnames): Likewise.
12794 (output_aranges): Likewise.
12795 (enum dw_val_class): Break dw_val_class_lbl_offset into
12796 dw_val_class_lineptr and dw_val_class_macptr.
12797 (add_AT_lbl_offset): Delete.
12798 (add_AT_lineptr): New.
12799 (add_AT_macptr): New.
12800 (AT_lbl): Expect a lineptr or macptr.
12801 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12802 (attr_checksum): Likewise.
12803 (same_dw_val_p): Likewise.
12804 (size_of_die): Likewise.
12805 (value_format): Likewise.
12806 (output_die): Likewise.
12807 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12809 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12810 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12811 * config/darwin-protos.h (darwin_file_start): New.
12812 (darwin_asm_output_dwarf_offset): New.
12813 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12814 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12816 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12817 if not EH section; simplify.
12818 (darwin_file_start): New.
12819 (darwin_asm_output_dwarf_offset): New.
12820 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12822 (DEBUG_INFO_SECTION): Likewise.
12823 (DEBUG_ABBREV_SECTION): Likewise.
12824 (DEBUG_ARANGES_SECTION): Likewise.
12825 (DEBUG_MACINFO_SECTION): Likewise.
12826 (DEBUG_LINE_SECTION): Likewise.
12827 (DEBUG_LOC_SECTION): Likewise.
12828 (DEBUG_PUBNAMES_SECTION): Likewise.
12829 (DEBUG_STR_SECTION): Likewise.
12830 (DEBUG_RANGES_SECTION): Likewise.
12831 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12832 (ASM_OUTPUT_DWARF_OFFSET): New.
12834 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12836 * config.gcc (tm_defines): Always add to previous value rather
12839 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12841 * config/mips/predicates.md (splittable_const_int_operand): New,
12842 split from move_operand.
12843 (splittable_symbolic_operand): New.
12844 (move_operand): Add commentary. Use splittable_const_int_operand.
12845 Inline mips_atomic_symbolic_constant_p.
12846 * config/mips/mips.md: Add combine splitters for handling moves
12847 of splittable_const_int_operands and splittable_symbolic_operands.
12848 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12849 (mips_split_symbol): Declare.
12850 (mips_move_integer): Declare.
12851 * config/mips/mips.c (mips_split_p): Make global.
12852 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12853 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12854 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12855 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12856 (mips_offset_within_object_p): Handle block symbols.
12857 (mips_atomic_symbolic_constant_p): Delete.
12858 (mips_cannot_force_const_mem): Return false for constants that
12859 mips_legitimize_move can handle.
12860 (mips_use_blocks_for_constant_p): New function.
12861 (mips_split_symbol): Make global.
12862 (mips_move_integer): Likewise. Add a temporary register argument.
12863 (mips_legitimize_const_move): Use splittable_const_int_operand and
12864 splittable_symbolic_operand.
12865 (mips_use_anchors_for_symbol_p): New function.
12866 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12867 (mips_split_p): Declare.
12869 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12871 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12872 (mips*-*-linux*): Likewise.
12874 2006-03-16 Roger Sayle <roger@eyesopen.com>
12875 Daniel Speyer <dspeyer@wam.umd.edu>
12877 PR middle-end/18259
12878 * tree-dump.c (dump_real): New function.
12879 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12880 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12881 (tree-dump.o): Add $(REAL_H) to the dependencies.
12883 2006-03-16 Roger Sayle <roger@eyesopen.com>
12885 PR middle-end/21781
12886 * real.c (real_from_string): If the mantissa is zero, don't bother
12887 parsing the exponent as the result should always be zero.
12889 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12891 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12893 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12895 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12896 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12897 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12898 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12899 ia64_sched_finish_global): New static functions to implement
12900 hooks from gcc_target.sched.
12901 (spec_check_no, max_uid, pending_data_specs): New static variables.
12902 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12903 ia64_spec_check_src_p): New static functions.
12904 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12905 (TARGET_SCHED_ADJUST_COST): Removed.
12906 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12907 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12908 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12909 TARGET_SCHED_GEN_CHECK,
12910 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12911 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12912 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12913 Fixed to handle speculation checks.
12914 (rtx_needs_barrier): Fixed to handle speculative loads and
12916 (ia64_variable_issue): Added code to count speculative loads and their
12918 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12920 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12922 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12924 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12925 (ia64_reorg): Reset stops_p to NULL after it is freed.
12926 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12927 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12928 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12930 (data_speculative, control_speculative, check_load): New attributes.
12931 (mov<mode>_advanced, mov<mode>_speculative,
12932 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12933 zero_extend<mode>di2_speculative,
12934 zero_extend<mode>di2_speculative_advanced): New patterns for
12935 data and control speculative loads.
12936 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12938 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12939 New pattern for data and control speculation checks.
12940 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12941 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12942 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12943 Auxiliary definitions for the patterns.
12944 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12945 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12947 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12949 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12950 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12951 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12952 New resource constraints.
12953 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12955 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12956 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12957 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12958 msched-in-control-spec, msched-ldc, msched-control-ldc,
12959 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12960 msched-prefer-non-control-spec-insns,
12961 msched-count-spec-in-critical-path): New flags to tune speculative
12963 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12964 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12965 msched-in-control-spec, msched-ldc, msched-control-ldc,
12966 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12967 msched-prefer-non-control-spec-insns,
12968 msched-count-spec-in-critical-path): Document new flags.
12970 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12972 * target.h (struct spec_info_def): New opaque declaration.
12973 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12974 speculate_insn, needs_block_p, gen_check,
12975 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12976 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12977 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12978 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12979 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12980 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12982 (TARGET_SCHED): Use new macros.
12983 * rtl.h (copy_DEPS_LIST_list): New prototype.
12984 * sched-int.h (struct sched_info): Change signature of new_ready field,
12985 adjust all initializations. New fields: add_remove_insn,
12986 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12987 region_head_or_leaf_p.
12988 (struct spec_info_def): New structure declaration.
12989 (spec_info_t): New typedef.
12990 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12991 recovery_block, orig_pat.
12992 (glat_start, glat_end): New variables declaraions.
12993 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12995 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12996 DETACH_LIFE_INFO, USE_GLAT.
12997 (enum SPEC_SCHED_FLAGS): New enumeration.
12998 (NOTE_NOTE_BB_P): New macro.
12999 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
13000 attach_life_info, debug_spec_status, check_reg_live): New functions.
13001 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
13002 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
13004 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
13005 * ddg.c (get_block_head_tail): Adjust all uses.
13006 * modulo-sched.c (get_block_head_tail): Adjust all uses.
13007 (sms_sched_info): Initialize new fields.
13008 (contributes_to_priority): Removed.
13009 * haifa-sched.c (params.h): New include.
13010 (get_block_head_tail): Adjust all uses.
13011 (ISSUE_POINTS): New macro.
13012 (glat_start, glat_end): New global variables.
13013 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
13014 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
13015 old_last_basic_block, before_recovery, current_sched_info_var,
13016 rgn_n_insns, luid): New static variables.
13017 (insn_cost1): New function. Move logic from insn_cost to here.
13018 (find_insn_reg_weight1): New function. Move logic from
13019 find_insn_reg_weight to here.
13020 (reemit_notes, move_insn, max_issue): Change signature.
13021 (move_insn1): Removed.
13022 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
13023 extend_bb): New static functions to support extension of scheduler's
13025 (generate_recovery_code, process_insn_depend_be_in_spec,
13026 begin_speculative_block, add_to_speculative_block,
13027 init_before_recovery, create_recovery_block, create_check_block_twin,
13028 fix_recovery_deps): New static functions to support
13029 generation of recovery code.
13030 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
13031 restore_bb_notes, move_block_after_check, move_succs): New static
13032 functions to support ebb scheduling.
13033 (init_glat, init_glat1, attach_life_info1, free_glat): New static
13034 functions to support handling of register live information.
13035 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
13036 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
13037 add_jump_dependencies): New static functions.
13038 (check_cfg, has_edge_p, check_sched_flags): New static functions for
13039 consistancy checking.
13040 (debug_spec_status): New function to call from debugger.
13041 (priority): Added code to handle speculation checks.
13042 (rank_for_schedule): Added code to distinguish speculative instructions.
13043 (schedule_insn): Added code to handle speculation checks.
13044 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
13045 Fixed to handle ebbs.
13046 (move_insn): Added code to handle ebb scheduling.
13047 (max_issue): Added code to use ISSUE_POINTS of instructions.
13048 (choose_ready): Added code to choose between speculative and
13049 non-speculative instructions.
13050 (schedule_block): Added code to handle ebb scheduling and scheduling of
13051 speculative instructions.
13052 (sched_init): Initialize new variables.
13053 (sched_finish): Free new variables. Print statistics.
13054 (try_ready): Added code to handle speculative instructions.
13055 * lists.c (copy_DEPS_LIST_list): New function.
13056 * sched-deps.c (extend_dependency_caches): New function. Move logic
13057 from create_dependency_caches to here.
13058 (get_dep_weak, ds_merge): Make global.
13059 * genattr.c (main): Code to output prototype for
13060 dfa_clear_single_insn_cache.
13061 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
13062 (output_dfa_clean_insn_cache_func): Code to output
13063 dfa_clear_single_insn_cache function.
13064 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
13066 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
13068 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
13069 New static variables.
13070 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
13071 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
13073 (ebb_sched_info): Initialize new fields.
13074 (get_block_head_tail): Adjust all uses.
13075 (compute_jump_reg_dependencies): Fixed to use glat_start.
13076 (schedule_ebb): Code to remove unreachable last block.
13077 (schedule_ebbs): Added code to update register live information.
13078 * sched-rgn.c (region_sched_info): Initialize new fields.
13079 (get_block_head_tail): Adjust all uses.
13080 (last_was_jump): Removed. Adjust users.
13081 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
13082 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
13083 Implement new hooks.
13084 (check_dead_notes1): New static function.
13085 (struct region): New fields: dont_calc_deps, has_real_ebb.
13086 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
13087 (BB_TO_BLOCK): Fixed to handle EBBs.
13088 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
13089 (ebb_head): New static variable.
13090 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
13091 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
13093 (compute_dom_prob_ps): New assertion.
13094 (check_live_1, update_live_1): Fixed to work with glat_start instead of
13095 global_live_at_start.
13096 (init_ready_list): New assertions.
13097 (can_schedule_ready_p): Split update code to begin_schedule_ready.
13098 (new_ready): Add support for BEGIN_CONTROL speculation.
13099 (schedule_insns): Fixed code that updates register live information
13101 (schedule_region): Fixed to handle EBBs.
13102 (init_regions): Use extend_regions and check_dead_notes1.
13103 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
13104 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
13105 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
13106 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13107 TARGET_SCHED_GEN_CHECK,
13108 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13109 TARGET_SCHED_SET_SCHED_FLAGS): Document.
13110 * doc/invoke.texi (max-sched-insn-conflict-delay,
13111 sched-spec-prob-cutoff): Document.
13113 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13115 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
13116 inter_tick, queue_index.
13117 (struct sched_info): Change signature of init_ready_list field.
13118 Adjust all initializations.
13119 (RESOLVED_DEPS): New access macro.
13120 (ready_add): Remove prototype.
13121 (try_ready): Add prototype.
13122 * sched-rgn.c (init_ready_list): Use try_ready.
13123 (schedule_region): Initialize
13124 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
13125 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
13126 (init_ready_list): Use try_ready.
13127 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
13128 * lists.c (remove_list_elem): Remove `static'.
13129 (remove_free_INSN_LIST_elem): New function.
13130 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
13131 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
13132 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
13134 (readyp): New variable.
13135 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
13136 change_queue_index, resolve_dep): New static functions.
13137 (try_ready): New function. Adjust callers in sched-rgn.c and
13138 sched-ebb.c to use it instead of ready_add.
13139 (clock_var): Move at the begining of file.
13140 (rank_for_schedule): Fix typo.
13141 (queue_insn): Add assertion. Handle QUEUE_INDEX.
13142 (ready_lastpos): Enforce assertion.
13143 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
13144 update all callers.
13145 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
13146 (schedule_insn): Rewrite to use try_ready and resolve_dep.
13147 (queue_to_ready): Use free_INSN_LIST_list.
13148 (early_queue_to_ready): Fix typo.
13149 (schedule_block): Init readyp. Move init_ready_list call after the
13150 initialization of clock_var. Fix error in rejecting insn by
13151 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
13152 that previously corrected INSN_TICKs. Add code for handling
13154 (set_priorities): Fix typo.
13155 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
13156 Clarify comment and code that keeps current_sched_info->next_tail
13159 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13161 * sched-rgn.c (extend_rgns): New static function.
13162 (find_rgns): Use it.
13163 (gather_region_statistics, print_region_statistics): New static
13165 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
13166 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
13168 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13169 Andrey Belevantsev <abel@ispras.ru>
13171 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13172 * lists.c (unused_deps_list): New variable.
13173 (free_list): Add assertions to verify the proper distinguishing
13174 between INSN_LISTs and DEPS_LISTs.
13175 (find_list_elem, remove_list_elem, remove_list_node): New static
13177 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13178 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13179 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13180 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13182 (free_INSN_LIST_node): Likewise.
13183 * modulo-sched.c (current_sched_info): Initialize flags field.
13184 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13185 * rtl.def (DEPS_LIST): Define.
13186 * rtl.h: Declare new functions from lists.c.
13187 * sched-deps.c (spec_dependency_cache): New static variable.
13188 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13189 (add_dependence): Change return type to void. Move the logic to ...
13190 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13191 (delete_all_dependences): Add comment about forward_dependency_cache.
13192 Handle spec_dependency_cache. Handle DEPS_LISTs.
13193 (fixup_sched_groups): Clarify the change of priority of output
13194 and anti dependencies.
13195 (sched_analyze_2): Adjust add_dependence calls to create data
13196 speculative dependence.
13197 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13198 Adjust all callers. Handle DEPS_LISTS.
13199 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13200 presence of speculation.
13201 (init_dependency_caches, free_dependency_caches):
13202 Handle spec_dependency_cache.
13203 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13204 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13205 New static functions.
13206 (add_or_update_back_dep, add_or_update_back_forw_dep,
13207 add_back_forw_dep, delete_back_forw_dep): New functions.
13208 * sched-int.h (ds_t, dw_t): New typedefs.
13209 (struct sched_info): Add new field flags.
13210 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13211 Prototype new sched-deps.c functions.
13212 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13213 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13214 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13215 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13216 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13217 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13219 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13221 * sched-rgn.c (current_sched_info): Initialize flags field.
13222 (schedule_insns): Initialize current_sched_info before the sched_init
13224 * sched-ebb.c (current_sched_info): Initialize flags field.
13225 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13226 Call add_or_update_back_dep instead of add_dependence.
13227 Create control speculative dependencies.
13228 (schedule_insns): Initialize current_sched_info before the sched_init
13231 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13233 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13235 (sh_fallback_frame_state): Likewise.
13237 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13239 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13240 Do switch on default_use_cxa_atexit.
13241 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13242 * config/darwin-crt3.o: New.
13243 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13244 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13245 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13247 * config/rs6000/t-darwin: Move crt2.o building to here.
13248 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13249 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13252 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13254 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13255 from '! xxx' to '!xxx' for coding-style conformance.
13256 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13257 (EXTRA_CONSTRAINT): Likewise.
13258 * config/vax/vax.md (four unnamed insns): Likewise.
13260 2006-03-15 Paul Brook <paul@codesourcery.com>
13262 * config/arm/arm.c (minipool_pad): New.
13263 (add_minipool_forward_ref): Include pool alignment padding in address
13265 (push_minipool_fix): Set minipool_pad.
13266 (minipool_pad): Ditto.
13268 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13270 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13271 instead of GET_CODE() == MEM and REG_P() instead of
13273 (print_operand_address): Likewise.
13274 (vax_address_cost): Likewise.
13275 (vax_rtx_costs): Likewise.
13276 (vax_notice_update_cc): Likewise.
13277 (vax_output_int_add): Likewise.
13278 (INDEX_REGISTER_P): Likewise.
13279 (BASE_REGISTER_P): Likewise.
13280 (nonindexed_address_p): Likewise.
13281 (vax_mode_dependent_address_p): Likewise.
13282 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13283 (PRINT_OPERAND): Likewise.
13284 * config/vax/vax.md (ashlsi3): Likewise.
13285 (ashlsi3): Likewise.
13286 (some more unnamed insns): Likewise.
13288 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13290 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13291 iterator-style macro.
13292 (mark_control_dependent_edges_necessary): Update the use of
13293 EXECUTE_IF_CONTROL_DEPENDENT.
13295 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13297 * config/sh/predicates.md (cache_address_operand): Special.
13298 (ua_address_operand): Likewise.
13300 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13302 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13304 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13306 2006-03-15 Andreas Schwab <schwab@suse.de>
13308 * gensupport.c (identify_predicable_attribute): Don't free p_false
13309 when it is still in use.
13311 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13313 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13314 the default setting here.
13316 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13318 * tree-pass.h (pass_cfg): Remove.
13319 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13320 * passes.c (pass_cfg): Don't run it.
13322 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13324 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13325 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13327 (stack_regs_mentioned): Update the uses of
13328 stack_regs_mentioned_data. Don't access the array beyond its
13330 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13331 Don't include gt-reg-stack.h.
13333 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13334 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13336 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13338 PR middle-end/26684
13339 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13342 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13344 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13346 2006-03-14 Richard Guenther <rguenther@suse.de>
13348 PR tree-optimization/26672
13349 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13352 2006-03-14 Richard Guenther <rguenther@suse.de>
13354 PR tree-optimization/26667
13355 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13356 node for the callees. Always allow inlining if it will shrink
13359 2006-03-14 Richard Guenther <rguenther@suse.de>
13361 PR middle-end/26659
13362 * builtins.c (get_pointer_alignment): Prefer alignment
13363 information from decls over that from types.
13365 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13368 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13370 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13372 * config/rs6000/rs6000.opt (mdlmzb): New option.
13373 (msched-prolog, msched-epilog): Use Var not Mask.
13374 * doc/invoke.texi (-mdlmzb): Document.
13375 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13377 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13378 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13380 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13382 PR rtl-optimization/25739
13383 * bt-load.c (augment_live_range): Free tos pointer.
13385 * gensupport.c (identify_predicable_attribute): Free
13387 * gcov.c (create_file_names): Free name pointer.
13389 2006-03-13 Roger Sayle <roger@eyesopen.com>
13391 PR middle-end/26557
13392 * stmt.c (emit_case_nodes): Handle the case where the index is a
13393 CONST_INT, where the comparison mode is specified by the index type.
13395 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13397 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13400 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13402 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13403 (*branch_fp_inverted): Likewise.
13405 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13407 PR middle-end/25989
13408 * omp-low.c (expand_omp_for_generic): Mark istart0
13409 and iend0 as addressable.
13411 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13413 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13415 2006-03-13 Jeff Law <law@redhat.com>
13417 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13418 virtual operands are interesting.
13419 (vrp_visit_stmt): Corresponding changes.
13421 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13423 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13425 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13426 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13427 * config/bfin/crti.S: Use it instead of __PIC__.
13428 * config/bfin/crtn.S: Likewise.
13430 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13431 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13433 Lose 'G' modifier for call operand.
13434 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13435 recognize 'G' modifier.
13437 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13439 PR middle-end/18859
13440 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13441 * stmt.c (expand_case): Likewise.
13443 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13445 PR rtl-optimization/26254
13446 * loop-invariant.c (seq_insns_valid_p): New function.
13447 (move_invariant_reg): Only emit new code if it is valid.
13449 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13451 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13453 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13454 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13455 (commit_one_edge_insertion): Do not look for loop notes.
13457 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13459 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13460 flag_test_coverage out of loop.
13462 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13464 * final.c (shorten_branches): Remove outdated comment, and turn
13465 the if branch that guards it to continue.
13467 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13469 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13470 * cfgloop.h (struct loop): Remove unused fields.
13472 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13474 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13475 (-dL, -fdump-rtl-loop2): Update the dump file names
13477 * doc/invoke.texi: Update dump file names.
13479 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13481 * predict.c (estimate_probability): Remove.
13482 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13483 * basic-block.h (estimate_probability): Remove prototype.
13484 * passes.c (finish_optimization_passes): Dump branch prediction or
13485 profiling heuristics to the .profile tree dump.
13486 (init_optimization_passes): Unqueue pass_branch_prob.
13488 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13490 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13492 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13493 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13495 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13497 * function.h (frame_offset_overflow): Declare.
13498 * function.c (frame_offset_overflow): New function.
13499 (assign_stack_local_1): Call it to detect that the offset overflows.
13500 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13502 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13504 * config/sh/sh.c: Include alloc-pool.h.
13505 (label_ref_list_pool): New alloc pool.
13506 (label_ref_list_t): New type for lists of labels.
13507 (struct pool_node): Make wend a label_ref_list_t.
13508 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13510 (dump_table): Likewise.
13511 (sh_reorg): Set up the alloc pool before using add_constant and
13512 dump_table, and destroy it when finishing.
13514 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13516 * config/mips/mips.c: Remove redundant comment.
13518 2006-03-10 Jason Merrill <jason@redhat.com>
13521 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13522 the target was declared 'register'.
13524 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13526 * genpreds.c (write_insn_constraint_len): Change definition of
13527 insn_constraint_len to return size_t to match the declaration.
13529 2006-03-10 DJ Delorie <dj@redhat.com>
13531 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13533 (m32c_expand_insv): Fix test for an AND mask.
13535 2006-03-10 Richard Guenther <rguenther@suse.de>
13537 PR middle-end/26565
13538 * builtins.c (get_pointer_alignment): Handle component
13539 references for field alignment.
13541 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13543 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13544 when building with libgloss.
13545 (sh*elf): Implement --without-fp option.
13546 (sh64-superh-linux*): Don't multilib.
13548 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13550 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13552 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13554 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13555 Set it when one of the replacement functions returned true.
13556 Return TODO_cleanup_cfg if cfgchanged is true.
13557 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13559 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13561 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13562 instead of gen_lowpart.
13564 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13566 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13568 (mips_output_order_conditional_branch): Declare.
13569 * config/mips/mips.h (MIPS_BRANCH): New macro.
13570 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13571 for the comparison. Use gen_condjump.
13572 (mips_output_conditional_branch): Rework interface to take the
13573 asm templates for a direct branch and the inverse of a direct branch.
13574 (mips_output_order_conditional_branch): New function.
13575 (mips_builtin_branch_and_move): New function.
13576 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13577 branch condition. Use gen_single_cc as the condition for
13578 __builtin_mips_upper_* or __builtin_mips_lower_*.
13579 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13580 Use VOIDmode for the branch condition.
13581 * config/mips/predicates.md (order_operator): New predicate.
13582 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13583 (branch_fp): Rename to...
13584 (*branch_fp): ...this. Remove mode from comparison operator.
13585 Use new mips_output_conditional_branch interface.
13586 (branch_fp_inverted): Rename to...
13587 (*branch_fp_inverted): ...this and update as for *branch_fp.
13588 (*branch_zero<mode>): Rename to...
13589 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13590 Use mips_output_order_conditional_branch. Only accept ordered
13592 (*branch_zero<mode>_inverted): Rename to...
13593 (*branch_order<mode>_inverted): ...this and update as for
13594 *branch_order<mode>.
13595 (*branch_equality<mode>): Accept zero as the second operand to
13596 the equality operator. Use the new mips_output_conditional_branch
13598 (*branch_equality<mode>_inverted): Likewise.
13599 (condjump): New expander.
13600 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13602 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13603 (bc1any2t, bc1any2f): Likewise.
13604 (single_cc): New expander.
13605 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13607 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13609 * doc/md.texi: Update documentation of MIPS constraints.
13610 * config/mips/constraints.md: New file.
13611 * config/mips/mips.md: Include it.
13612 * config/mips/mips.c (mips_char_to_class): Delete.
13613 (override_options): Don't initialize mips_char_to_class.
13614 * config/mips/mips.h (mips_char_to_class): Delete.
13615 (REG_CLASS_FROM_LETTER): Delete.
13616 (CONST_OK_FOR_LETTER_P): Delete.
13617 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13618 (EXTRA_CONSTRAINT_Y): Delete.
13619 (EXTRA_CONSTRAINT_STR): Delete.
13620 (CONSTRAINT_LEN): Delete.
13621 (EXTRA_MEMORY_CONSTRAINT): Delete.
13623 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13625 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13626 original fn's eh regions.
13628 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13630 * fold-const.c (build_range_check): Make sure to use a valid type to
13631 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13634 (range_predecessor): New static function.
13635 (range_successor): Likewise.
13636 (merge_ranges): Use them to compute predecessors and successors of
13639 2006-03-09 Roger Sayle <roger@eyesopen.com>
13641 PR middle-end/26561
13642 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13643 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13645 2006-03-08 DJ Delorie <dj@redhat.com>
13647 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13648 (addpsi3): Expand to include memory operands. Remove
13649 reload-specific splits.
13650 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13651 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13652 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13653 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13654 (shift1_qi, shift1_hi, insv): New.
13655 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13656 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13657 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13659 * config/m32c/m32c-protos.h: Update as needed.
13660 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13661 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13662 Fail for unrecognized R* constraints.
13663 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13664 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13665 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13667 (m32c_init_libfuncs): New.
13668 (m32c_legitimate_address_p): Add debug wrapper.
13669 (m32c_rtx_costs): New.
13670 (m32c_address_cost): New.
13671 (conversions): Add 'B' prefix.
13672 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13673 operands, or word regnames for QI operands. 'B' prints bit
13675 (m32c_expand_setmemhi): New.
13676 (m32c_expand_movmemhi): New.
13677 (m32c_expand_movstr): New.
13678 (m32c_expand_cmpstr): New.
13679 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13680 (m32c_expand_neg_mulpsi3): Handle non-ints.
13681 (m32c_cmp_flg_0): New.
13682 (m32c_expand_movcc): New.
13683 (m32c_expand_insv): New.
13684 (m32c_scc_pattern): New.
13685 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13686 a0/a1 out of SIregs.
13687 (STORE_FLAG_VALUE): New.
13688 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13691 * config/m32c/mov.md: Make constraints more liberal.
13692 (zero_extendqihi2): Optimize r0/r1 case.
13693 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13694 * config/m32c/predicates.md (m32c_any_operand): New.
13695 (m32c_nonimmediate_operand): New.
13696 (m32c_hl_operand): New.
13697 (m32c_r3_operand): New.
13700 (memsym_operand): New.
13701 (memimmed_operand): New.
13702 (a_qi_operand): New.
13703 (m32c_eqne_operator): New.
13704 (m32c_1bit8_operand): New.
13705 (m32c_1bit16_operand): New.
13706 (m32c_1mask8_operand): New.
13707 (m32c_1mask16_operand): New.
13708 * config/m32c/blkmov.md: New file.
13709 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13711 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13713 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13714 unsigned to fix signed/unsigned comparison issue in
13715 DWARF2_FRAME_REG_OUT.
13716 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13717 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13719 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13720 of ptr into the ENABLE_CHECKING section.
13722 2006-03-08 Jeff Law <law@redhat.com>
13724 * tree-vrp.c (infer_value_range): Only count pointer uses
13725 and dereferences if -fdelete-null-pointer-checks is enabled.
13727 * tree-vrp.c (find_assert_locations): Infer value ranges for
13728 single use pointers, but do not create ASSERT_EXPRs for them.
13729 When a non-null range is inferred for a pointer, backwards
13730 propagate that range to other equivalent pointers through the
13733 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13736 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13737 language hook targets.
13738 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13739 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13740 if language hook targets were missing.
13742 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13744 * tree-ssa-opfinalize.h: Removed.
13745 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13747 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13748 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13749 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13750 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13751 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13752 finalize_ssa_v_must_def_ops): New.
13754 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13756 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13757 block as parameter.
13759 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13761 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13763 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13764 addresses with offsets; reorganize.
13766 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13767 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13768 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13770 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13773 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13775 2006-03-08 Ben Elliston <bje@au.ibm.com>
13777 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13779 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13782 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13785 2006-03-07 Richard Guenther <rguenther@suse.de>
13787 PR tree-optimization/26587
13788 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13790 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13792 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13794 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13796 * hooks.c (hook_bool_mode_rtx_true): New function.
13797 * hooks.h (hook_bool_mode_rtx_true): Declare.
13798 * toplev.c (compile_file): Call output_shared_constant_pool.
13799 * varasm.c (shared_constant_pool): New variable.
13800 (assemble_start_function, assemble_end_function): Remove arguments
13801 from call to output_constant_pool.
13802 (create_constant_pool): New function, split out from...
13803 (init_varasm_status): ...here.
13804 (force_const_mem): Choose between the shared and per-function constant
13805 pools. Set current_function_uses_const_pool when reusing old entries
13806 as well as when creating new ones.
13807 (mark_constant): Ignore data argument.
13808 (mark_constants): Remove pool argument.
13809 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13810 to decide whether the function uses a constant pool.
13811 (output_constant_pool_contents): New function, split out from...
13812 (output_constant_pool): ...here.
13813 (output_shared_constant_pool): New function.
13814 (init_varasm_once): Initialize shared_constant_pool.
13815 * output.h (output_constant_pool): Delete.
13816 (output_shared_constant_pool): Declare.
13817 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13818 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13820 2006-03-06 Nick Clifton <nickc@redhat.com>
13822 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13823 flag_strength_reduce.
13825 2006-03-06 Ben Elliston <bje@au.ibm.com>
13827 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13828 x86_64-*-linux* configurations.
13830 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13831 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13833 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13835 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13837 * basic-block.h: Remove the extern for
13838 rediscover_loops_after_threading.
13840 * cfgloop.c (cancel_loop): Make it static.
13841 * cfgloop.h: Remove the prototype for cancel_loop.
13843 * flow.c (recompute_reg_usage): Make it static.
13844 * rtl.h: Remove the prototype for recompute_reg_usage.
13846 * function.c (use_return_register): Make it static.
13847 * function.h: Remove the prototype.
13849 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13851 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13853 * recog.h: Remove the prototype for
13854 validate_change_maybe_volatile.
13856 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13858 * rtlanal.c (replace_reg): Remove.
13859 * rtl.h: Remove the prototype for replace_reg.
13861 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13863 * regclass.c (reg_scan_update): Remove.
13864 (reg_scan_mark_refs): Remove the last argument.
13865 * rtl.h: Remove the prototype for reg_scan_update.
13867 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13869 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13870 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13871 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13872 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13873 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13874 loop-invariant.c, omp-low.c, opts.c, passes.c,
13875 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13876 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13877 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13878 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13879 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13880 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13882 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13884 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13885 * dwarf2out.h: Remove the prototype for
13886 dwarf2out_add_library_unit_info.
13888 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13890 * tree.c (add_var_to_bind_expr): Remove.
13891 * tree.h: Remove the prototype for add_var_to_bind_expr.
13893 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13895 * regclass.c (n_non_fixed_regs): Remove.
13896 (init_reg_sets_1, globalize_reg): Remove all uses of
13898 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13900 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13902 * rtlanal.c (insns_safe_to_move_p): Remove.
13903 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13905 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13907 * expmed.c (expand_mult_add): Remove.
13908 * expr.h: Remove the prototype for expand_mult_add.
13910 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13912 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13913 and REG_SAVED_VAL_EXP constants.
13914 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13915 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13916 Handle regs stored by value.
13917 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13918 (execute_cfa_program): Handle DW_CFA_val_offset,
13919 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13920 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13921 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13922 (uw_install_context_1): Handle target regs stored by value.
13924 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13926 * tree-sra.c (tree_sra): Return todoflags;
13927 (generate_one_element): Set TODO_update_smt_usage if needed.
13928 (pass_sra): Remove TODO_update_smt_usage.
13929 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13931 (tree_ssa_forward_propagate_single_use_vars): Return
13932 TODO_update_smt_usage if we need to update SMT usage.
13933 (pass_forwprop): Remove TODO_update_smt_usage.
13935 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13937 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13938 (correct_use_link): Remove reference to get_stmt_operands.
13939 (update_stmt_operands): Likewise.
13940 (get_modify_expr_operands): New function factored out of
13941 parse_ssa_operands and get_expr_operands.
13942 Try to create V_MUST_DEFs for LHS by default.
13943 (get_expr_operands) <case MODIFY_EXPR>: Call
13944 get_modify_expr_operands.
13945 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13946 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13947 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13948 get_modify_expr_operands.
13950 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13952 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13953 * tree-flow.h: Remove the prototype for
13954 referenced_var_lookup_if_exists.
13956 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13958 PR rtl-optimization/26345
13960 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13962 2006-03-03 Roger Sayle <roger@eyesopen.com>
13964 PR tree-optimization/26524
13965 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13966 fold_convert to create a constant of the appropriate type.
13968 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13970 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13971 SYMBOL_REF_IN_BLOCK_P.
13972 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13973 of SYMBOL_FLAG_IN_BLOCK.
13974 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13975 instead of SYMBOL_REF_IN_BLOCK_P.
13976 * explow.c (use_anchored_address): Likewise.
13977 * rtl.c (rtx_size): Likewise.
13978 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13979 instead of SYMBOL_FLAG_IN_BLOCK.
13980 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13981 SYMBOL_REF_IN_BLOCK_P.
13982 (assemble_variable): Likewise.
13983 (output_constant_def_contents): Likewise.
13984 (output_constant_pool): Likewise.
13985 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13986 instead of SYMBOL_FLAG_IN_BLOCK.
13987 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13988 SYMBOL_REF_IN_BLOCK_P.
13989 (SYMBOL_REF_BLOCK): Likewise.
13990 (SYMBOL_REF_OFFSET): Likewise.
13991 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13992 SYMBOL_REF_IN_BLOCK_P.
13993 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13994 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13995 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13996 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13998 2006-03-03 Jakub Jelinek <jakub@redhat.com>
14000 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
14002 2006-03-02 Roger Sayle <roger@eyesopen.com>
14004 * simplify-rtx.c (simplify_unary_operation): When simplifying
14005 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
14006 that we perform the right shift in the appropriate mode, and
14007 then extend or truncate the result to requested mode.
14009 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
14011 * gengtype.c (main): Handle double_int type.
14012 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
14013 * double-int.c: New file.
14014 * double-int.h: New file.
14015 * system.h: Include doubleint.h.
14016 * Makefile.in (SYSTEM_H): Include double-int.h.
14017 (double-int.o): Add.
14019 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
14022 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
14025 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14027 * tree-vrp.c (remove_range_assertions): Do not update statements
14030 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14032 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
14034 * gcse.c (rest_of_handle_gcse): Ditto.
14035 * except.c (gate_handle_eh): Ditto.
14036 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
14037 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
14039 2006-03-02 Eric Christopher <echristo@apple.com>
14041 * config/i386/i386.c (machopic_output_stub): Add indirection to
14044 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14048 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
14050 Sun Niagara specific optimizations.
14051 * config.gcc: Recognize niagara as target.
14052 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
14053 (TARGET_CPU_niagara): Define.
14054 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
14055 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
14056 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14057 (ASM_CPU_SPEC): Likewise.
14058 (PROCESSOR_NIAGARA): New enum entry.
14059 (REGISTER_MOVE_COST): Handle Niagara.
14060 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
14061 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
14062 (sparc_override_options): Recognize "niagara", set appropriate
14063 default MASK_* values for it, and align functions to 32-bytes
14064 by default just like ULTRASPARC/ULTRASPARC3.
14065 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
14066 (sparc64_initialize_trampoline): Likewise.
14067 (sparc_use_sched_lookahead): Use zero for niagara.
14068 (sparc_issue_rate): Use one for niagara.
14069 * config/sparc/niagara.md: New file.
14070 * config/sparc/sparc.md: Include it.
14071 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
14072 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
14073 when default cpu is niagara.
14074 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14075 (ASM_CPU_SPEC): Likewise.
14076 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
14077 when default cpu is niagara.
14078 (ASM_CPU_SPEC): Handle -mcpu=niagara.
14079 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
14080 just like v9/ultrasparc/ultrasparc3.
14081 * doc/invoke.texi: Add documentation for "niagara" and improve
14082 existing documentation for ultrasparc variants.
14084 2006-03-02 Diego Novillo <dnovillo@redhat.com>
14086 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
14088 2006-03-02 Richard Sandiford <richard@codesourcery.com>
14090 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
14091 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
14092 and say that only one is needed.
14093 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
14094 * target.h (have_switchable_bss_sections): New hook.
14095 * explow.c (use_anchored_address): Check that the symbol is in a block.
14096 * varasm.c (tls_comm_section, comm_section, lcomm_section)
14097 (bss_noswitch_section): New variables.
14098 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
14099 (get_noswitch_section): New function.
14100 (get_block_for_section): Allow SECT to be null.
14101 (unlikely_text_section_p): Use SECTION_STYLE.
14102 (bss_initializer_p): New function.
14103 (get_variable_section): Move earlier in file. Take a new argument,
14104 prefer_noswitch_p. Move bss checks from assemble_variable to here.
14105 Return one of the new *_sections in such cases.
14106 (get_block_for_decl): New function, extracting some logic from
14107 use_blocks_for_decl_p.
14108 (change_symbol_section): Remove in favor of...
14109 (change_symbol_block): ...this new function.
14110 (use_blocks_for_decl_p): Remove checks now performed by
14111 get_block_for_decl.
14112 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
14113 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
14114 (emit_local, emit_bss, emit_common): ...these new functions.
14115 Return true if the alignment was honored.
14116 (emit_tls_common): New function.
14117 (asm_emit_uninitialised): Delete.
14118 (assemble_variable_noswitch): New function, split out from...
14119 (assemble_variable): ...here. Don't make decisions about common
14120 variables here. Globalize all public decls that go into non-common
14121 sections. Check whether SYMBOL_REF_BLOCK is null.
14122 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
14123 (output_constant_pool): Likewise.
14124 (init_varasm_once): Initialize the new section variables.
14125 (have_global_bss_p): New function.
14126 (categorize_decl_for_section): Use bss_initializer_p.
14127 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
14128 (place_block_symbol): Assert that the symbol must be in a block.
14129 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
14130 (TARGET_INITIALIZER): Include it.
14131 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
14132 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
14133 (SECTION_MACH_DEP): Bump by two.
14134 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
14135 (unnamed_section): Mention SECTION_UNNAMED in comment.
14136 (named_section): Likewise SECTION_NAMED.
14137 (noswitch_section_callback): New type.
14138 (noswitch_section): New structure.
14139 (section): Add a noswitch_section alternative.
14140 (SECTION_STYLE): New macro.
14141 (tls_comm_section, comm_section, lcomm_section): Declare.
14142 (bss_noswitch_section, have_global_bss_p): Declare.
14143 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14144 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14146 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14147 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14150 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
14152 * tree-vrp.c (execute_vrp): Return value.
14153 * regrename.c (rest_of_handle_regrename): Ditto.
14154 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
14155 * tree-complex.c (tree_lower_complex): Ditto.
14156 (tree_lower_complex_O0): Ditto.
14157 * tracer.c (rest_of_handle_tracer): Ditto.
14158 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
14159 * postreload.c (rest_of_handle_postreload): Ditto.
14160 * tree-tailcall.c (execute_tail_recursion): Ditto.
14161 (execute_tail_calls): Ditto.
14162 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14163 * tree.h (init_function_for_compilation): Ditto.
14164 * ipa-cp.c (ipcp_driver): Ditto.
14165 * tree-scalar-evolution.c (scev_const_prop): Ditto.
14166 * tree-scalar-evolution.h (scev_const_prop): Ditto.
14167 * final.c (compute_alignments): Ditto.
14168 (rest_of_handle_final): Ditto.
14169 (rest_of_handle_shorten_branches): Ditto.
14170 (rest_of_clean_state): Ditto.
14171 * omp-low.c (execute_expand_omp): Ditto.
14172 (execute_lower_omp): Ditto.
14173 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14174 * ipa-reference.c (static_execute): Ditto.
14175 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14176 * reorg.c (rest_of_handle_delay_slots): Ditto.
14177 (rest_of_handle_machine_reorg): Ditto.
14178 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14179 * flow.c (recompute_reg_usage): Ditto.
14180 (rest_of_handle_remove_death_notes): Ditto.
14181 (rest_of_handle_life): Ditto.
14182 (rest_of_handle_flow2): Ditto.
14183 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14184 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14185 (do_ssa_store_ccp): Ditto.
14186 (execute_fold_all_builtins): Ditto.
14187 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14188 * modulo-sched.c (rest_of_handle_sms): Ditto.
14189 * ipa-pure-const.c (static_execute): Ditto.
14190 * cse.c (rest_of_handle_cse): Ditto.
14191 (rest_of_handle_cse2): Ditto.
14192 * web.c (rest_of_handle_web): Ditto.
14193 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14194 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14195 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14196 * tree-nrv.c (tree_nrv): Ditto.
14197 (execute_return_slot_opt): Ditto.
14198 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14199 (create_structure_vars): Ditto.
14200 * loop-init.c (rtl_loop_init): Ditto.
14201 (rtl_loop_done): Ditto.
14202 (rtl_move_loop_invariants): Ditto.
14203 (rtl_unswitch): Ditto.
14204 (rtl_unroll_and_peel_loops): Ditto.
14205 (rtl_doloop): Ditto.
14206 * gimple-low.c (lower_function_body): Ditto.
14207 (mark_used_blocks): Ditto.
14208 * tree-ssa-sink.c (execute_sink_code): Ditto.
14209 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14210 (cgraph_early_inlining): Ditto.
14211 * global.c (rest_of_handle_global_alloc): Ditto.
14212 * jump.c (cleanup_barriers): Ditto.
14213 (purge_line_number_notes): Ditto.
14214 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14215 (rest_of_handle_if_after_reload): Ditto.
14216 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14217 (tree_ssa_loop_im): Ditto.
14218 (tree_ssa_loop_unswitch): Ditto.
14219 (tree_vectorize): Ditto.
14220 (tree_linear_transform): Ditto.
14221 (tree_ssa_loop_ivcanon): Ditto.
14222 (tree_ssa_empty_loop): Ditto.
14223 (tree_ssa_loop_bounds): Ditto.
14224 (tree_complete_unroll): Ditto.
14225 (tree_ssa_loop_prefetch): Ditto.
14226 (tree_ssa_loop_ivopts): Ditto.
14227 (tree_ssa_loop_done): Ditto.
14228 * predict.c (tree_estimate_probability): Ditto.
14229 * recog.c (split_all_insns_noflow): Ditto.
14230 (rest_of_handle_peephole2): Ditto.
14231 (rest_of_handle_split_all_insns): Ditto.
14232 * tree-eh.c (lower_eh_constructs): Ditto.
14233 * regmove.c (rest_of_handle_regmove): Ditto.
14234 (rest_of_handle_stack_adjustments): Ditto.
14235 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14236 * function.c (instantiate_virtual_regs): Ditto.
14237 (init_function_for_compilation): Ditto.
14238 (rest_of_handle_check_leaf_regs): Ditto.
14239 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14240 (rest_of_handle_gcse): Ditto.
14241 * ipa-type-escape.c (type_escape_execute): Ditto.
14242 * alias.c (rest_of_handle_cfg): Ditto.
14243 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14244 * profile.c (rest_of_handle_branch_prob): Ditto.
14245 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14246 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14247 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14248 * tree-dfa.c (find_referenced_vars): Ditto.
14249 * except.c (set_nothrow_function_flags): Ditto.
14250 (convert_to_eh_region_ranges): Ditto.
14251 (rest_of_handle_eh): Ditto.
14252 * emit-rtl.c (unshare_all_rtl): Ditto.
14253 (remove_unnecessary_notes): Ditto.
14254 * except.h (set_nothrow_function_flags): Ditto.
14255 (convert_to_eh_region_ranges): Ditto.
14256 * cfgexpand.c (tree_expand_cfg): Ditto.
14257 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14258 * tree-ssa-pre.c (do_pre): Ditto.
14259 (execute_fre): Ditto.
14260 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14261 (rest_of_handle_jump2): Ditto.
14262 * tree-sra.c (tree_sra): Ditto.
14263 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14264 (execute_mudflap_function_decls): Ditto.
14265 * tree-ssa-copy.c (do_copy_prop): Ditto.
14266 (do_store_copy_prop): Ditto.
14267 * ipa-prop.h (ipcp_driver): Ditto.
14268 * cfglayout.c (insn_locators_initialize): Ditto.
14269 * tree-ssa-forwprop.c
14270 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14271 * cfglayout.h (insn_locators_initialize): Ditto.
14272 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14273 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14274 (execute_late_warn_uninitialized): Ditto.
14275 * rtl.h (cleanup_barriers): Ditto.
14276 (split_all_insns_noflow): Ditto.
14277 (purge_line_number_notes): Ditto.
14278 (unshare_all_rtl): Ditto.
14279 (remove_unnecessary_notes): Ditto.
14280 (recompute_reg_usage): Ditto.
14281 (variable_tracking_main): Ditto.
14282 * integrate.c (emit_initial_value_sets): Ditto.
14283 * integrate.h (emit_initial_value_sets): Ditto.
14284 * tree-optimize.c (execute_free_datastructures): Ditto
14285 (execute_free_cfg_annotations): Ditto.
14286 (execute_fixup_cfg): Ditto.
14287 (execute_cleanup_cfg_pre_ipa): Ditto.
14288 (execute_cleanup_cfg_post_optimizing): Ditto.
14289 (execute_init_datastructures): Ditto.
14290 * tree-object-size.c (compute_object_sizes): Ditto.
14291 * combine.c (rest_of_handle_combine): Ditto.
14292 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14293 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14294 (rest_of_handle_reorder_blocks): Ditto.
14295 (rest_of_handle_partition_blocks): Ditto.
14296 * var-tracking.c (variable_tracking_main): Ditto.
14297 * tree-profile.c (tree_profiling): Ditto.
14298 * tree-vect-generic.c (expand_vector_operations): Ditto.
14299 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14300 * sched-rgn.c (rest_of_handle_sched): Ditto.
14301 (rest_of_handle_sched2): Ditto.
14302 * basic-block.h (free_bb_insn): Ditto.
14303 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14304 * tree-cfg.c (execute_build_cfg): Ditto.
14305 (remove_useless_stmts): Ditto.
14306 (split_critical_edges): Ditto.
14307 (execute_warn_function_return): Ditto.
14308 (execute_warn_function_noreturn): Ditto.
14309 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14310 * cfgrtl.c (free_bb_for_insn): Ditto.
14311 * passes.c (execute_one_pass): Run additional
14312 todos returned by execute function.
14313 * tree-pass.h (struct tree_opt_pass): Make execute
14316 2006-03-02 Richard Guenther <rguenther@suse.de>
14318 * tree-ssa-alias.c (find_used_portions): Consider taking
14319 the address as making the variable not write-only.
14321 2006-03-02 Nick Clifton <nickc@redhat.com>
14323 * config.gcc (default_use_cxa_atexit): Extend the description of
14324 this configure variable. Set its default value to "yes" for
14325 Linux, NetBSD and ELF targets on the assumption that they will
14326 use C libraries with the __cxa_atexit function.
14328 2006-03-02 Ben Elliston <bje@au.ibm.com>
14330 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14331 parameter as unused to suppress a build warning.
14333 2006-03-02 Ben Elliston <bje@au.ibm.com>
14335 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14338 2006-03-01 Roger Sayle <roger@eyesopen.com>
14341 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14342 declared name, the weak reference name, and the typeof name.
14343 (__gthrw): Avoid expanding the declared name suffix.
14344 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14346 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14348 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14350 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14351 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14352 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14353 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14354 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14355 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14356 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14357 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14358 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14359 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14360 (DW_END_default, DW_END_big, DW_END_little): New.
14361 (DW_END_lo_user, DW_END_hi_user): Define.
14362 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14363 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14364 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14367 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14369 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14371 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14373 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14375 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14377 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14378 to 'symbol_mem_tag'.
14380 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14383 2006-03-01 Roger Sayle <roger@eyesopen.com>
14385 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14387 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14390 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14391 MACHO_DYNAMIC_NO_PIC_P.
14392 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14394 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14397 * config/darwin-protos.h (darwin_asm_output_anchor):
14399 * config/darwin-sections.def (cstring_section):
14400 Add SECTION_MERGE to the flags.
14401 (literal4_section): Likewise.
14402 (literal8_section): Likewise.
14403 (objc_selector_refs_section): Likewise.
14404 (objc_cls_refs_section): Likewise.
14405 * config/darwin.c (darwin_asm_output_anchor): New
14407 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14409 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14411 Fix PR tree-optimization/26443
14412 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14413 to todo and PROP_tmt_usage to properties_destroyed.
14414 * tree-ssa-ccp.c (pass_ccp): Ditto.
14415 (pass_store_ccp): Ditto.
14416 * tree-ssa-dom.c (pass_dominator): Ditto.
14418 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14420 * tree-ssa-operands.c: Cleanup whitespace.
14421 (get_asm_expr_operands): Move before first invocation.
14422 (get_indirect_ref_operands): Likewise.
14423 (get_tmr_operands): Likewise.
14424 (get_call_expr_operands): Likewise.
14425 (append_def): Likewise.
14426 (append_use): Likewise.
14427 (append_v_may_def): Likewise.
14428 (append_v_must_def): Likewise.
14429 (add_call_clobber_ops): Likewise.
14430 (add_call_read_ops): Likewise.
14431 (add_stmt_operand): Likewise.
14432 (add_virtual_operand): Likewise.
14433 (build_ssa_operands): Likewise.
14435 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14437 PR middle-end/26022
14439 PR middle-end/24437
14440 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14441 with a call expr to ...
14442 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14444 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14446 * tree-vrp.c (extract_range_from_assert): Remove special
14447 handling for types with super-types.
14449 2006-03-01 Ben Elliston <bje@au.ibm.com>
14451 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14452 and powerpc64-*-linux* configurations.
14453 * config/t-dfprules: New file.
14455 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14456 Compile dfp-bit.c from the source directory using -DWIDTH and
14457 $DFP_CFLAGS to control the compilation of that file, rather than
14458 generating width-specific versions in the build directory.
14459 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14460 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14462 2006-02-28 Zack Weinberg <zackw@panix.com>
14464 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14467 2006-02-28 Eric Christopher <echristo@apple.com>
14469 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14470 Set up IN_LIBGCC definition of TARGET_64BIT.
14471 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14473 2006-02-28 Roger Sayle <roger@eyesopen.com>
14475 PR middle-end/14752
14476 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14477 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14478 cases via the construction of "expr != 0".
14480 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14482 * alias.c (alias_invariant, alias_invariant_size): Remove.
14483 (record_base_value): Remove.
14484 (memrefs_conflict_p): Don't look at alias_invariant.
14485 (end_alias_analysis): Don't free it.
14486 * alias.h (record_base_value): Remove prototype.
14488 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14489 Adam Nemet <anemet@caviumnetworks.com>
14491 * rtl.h (truncated_to_mode): Declare it.
14492 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14493 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14494 (RTL_HOOKS_INITIALIZER): Include it.
14495 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14496 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14497 reg_truncated_to_mode.
14498 * rtlanal.c (truncated_to_mode): Define it.
14499 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14501 2006-02-28 Jeff Law <law@redhat.com>
14503 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14504 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14505 the range allowed by TYPE_PRECISION.
14507 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14509 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14511 PR tree-optimization/26419
14512 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14515 2006-02-27 Zack Weinberg <zackw@panix.com>
14517 * doc/md.texi: Fix typo in previous change.
14519 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14523 2006-02-27 Zack Weinberg <zackw@panix.com>
14525 * rtl.def (define_constraint, define_register_constraint)
14526 (define_memory_constraint, define_address_constraint): New MD forms.
14527 * gensupport.c (process_rtx): Put define_constraint etc on the
14529 * genpreds.c (process_define_predicate): Adjust comment. Validate
14530 the name, and call validate_exp to validate the expression.
14531 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14532 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14533 all callers changed.
14534 (validate_exp, needs_variable, struct constraint_data)
14535 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14536 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14537 (const_dbl_constraints, constraint_max_namelen)
14538 (have_register_constraints, have_memory_constraints)
14539 (have_address_constraints, have_address_constraints)
14540 (have_extra_constraints, have_const_int_constraints)
14541 (have_const_dbl_constraints, mangle, add_constraint)
14542 (process_define_constraint, process_define_register_constraint)
14543 (write_enum_constraint_num, write_lookup_constraint)
14544 (write_insn_constraint_len, write_regclass_for_constraint)
14545 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14546 (write_insn_extra_memory_constraint)
14547 (write_insn_extra_address_constraint)
14548 (write_satisfies_constraint_fns): New.
14549 (write_tm_preds_h): If we have new-style constraint definitions,
14550 prototype the functions generated from them, and define the
14551 old constraint interface (still used by generic code) in terms of
14553 (write_insn_preds_c): If we have new-style constraint definitions,
14554 generate all relevant functions from those definitions.
14555 (main): Handle define_constraint etc.
14556 * genoutput.c (struct constraint_data, indep_constraints)
14557 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14558 (mdep_constraint_len): New data structures and functions, defined
14559 #ifdef USE_MD_CONSTRAINTS.
14560 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14561 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14562 use new logic to validate operand constraints against constraint
14564 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14566 * defaults.h: If none of the old-style constraint macros are
14567 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14568 old-style macros; and poison REG_CLASS_FROM_LETTER,
14569 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14571 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14572 * doc/md.texi: Document new constraint-definition mechanism and the
14573 C interface it provides. Remove references to old mechanism
14574 elsewhere in the document.
14575 (Machine Constraints): Use pathnames relative to gcc directory,
14576 i.e. config/ARCH/FILE. Change i386 section to refer to
14577 config/i386/predicates.md; update that section to match docstrings.
14578 * doc/tm.texi: Move all documentation of the old constraint-
14579 definition macros to their own section, clearly mark as obsolete.
14581 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14582 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14584 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14585 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14586 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14587 constraint strings.
14588 (splits and peepholes): Use satisfies_constraint_*.
14589 * config/i386/i386.c (memory_address_length)
14590 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14592 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14594 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14595 scalar operation to be put back into the loop.
14597 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14600 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14601 (extract_cie_info): Handle S flag in augmentation string.
14602 (execute_cfa_program): If context->signal_frame, execute also
14603 fs->pc == context->ra instructions.
14604 (uw_frame_state_for): If context->signal_frame, don't subtract one
14605 from context->ra to find FDE.
14606 (uw_update_context_1): Set context->signal_frame to
14608 (_Unwind_GetIPInfo): New function.
14609 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14610 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14612 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14613 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14614 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14615 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14616 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14617 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14618 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14619 x86_64_fallback_frame_state): Set fs->signal_frame.
14620 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14621 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14622 (frob_update_context): Likewise. Workaround missing S flag in
14623 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14624 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14625 Remove the psw_addr + 1 hack.
14627 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14629 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14630 with aggregates here.
14631 (find_func_aliases): Remove code for &<aggregate> from here.
14633 2006-02-26 Roger Sayle <roger@eyesopen.com>
14635 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14636 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14637 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14638 as (X & C) ne/eq 0.
14640 2006-02-26 Roger Sayle <roger@eyesopen.com>
14642 PR middle-end/19983
14643 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14645 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14647 * opts.c (decode_options): Do not handle flag_strength_reduce.
14648 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14649 and OPT_fstrength_reduce.
14650 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14651 flag_prefetch_loop_arrays for being nonzero.
14652 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14654 (fprefetch-loop-arrays-rtl): Removed.
14655 (flag_prefetch_loop_arrays): Do not specify the value.
14657 * doc/passes.texi: Update documentation of loop optimizer
14659 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14660 -frerun-loop-opt): Remove.
14662 2006-02-26 Richard Guenther <rguenther@suse.de>
14664 PR tree-optimization/26421
14665 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14666 in function calls that are ADDR_EXPRs as using the whole structure.
14668 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14670 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14671 * tree-pass.h (pass_loop_optimize): Remove.
14672 * passes.c (pass_loop_optimize): Never run it.
14673 * toplev.c (backend_init): Don't call init_loop.
14674 * opts.c (flag_loop_optimize_set): Remove.
14675 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14676 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14677 the old RTL loop optimizer when profiling enabled.
14678 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14679 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14680 pre-headers for the sake of the old RTL loop optimizer.
14681 * Makefile.in: Remove all references to loop.o.
14683 * doc/invoke.texi: Remove all references to -floop-optimize
14684 and -frerun-loop-opt.
14686 2006-02-26 Zack Weinberg <zackw@panix.com>
14688 * doc/md.texi (Machine Constraints): Refer to all files with paths
14689 relative to gcc directory (i.e. config/CPU/file). Add missing
14690 @table @code ... @end table to M32C subsection.
14692 2006-02-26 Roger Sayle <roger@eyesopen.com>
14694 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14696 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14698 2006-02-26 Roger Sayle <roger@eyesopen.com>
14699 James A. Morrison <phython@gcc.gnu.org>
14701 PR middle-end/21137
14702 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14703 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14704 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14705 signedness of the shift operation.
14707 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14709 PR tree-optimization/26359
14710 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14712 2006-02-25 Roger Sayle <roger@eyesopen.com>
14714 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14715 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14716 as X == 0, and some symmetry related transformations.
14717 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14719 2006-02-25 Roger Sayle <roger@eyesopen.com>
14721 PR middle-end/23673
14722 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14723 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14724 symmetry related transformations. Fold (X^C1) == C2 as
14727 2006-02-25 Juergen Weigert <jw@suse.de>
14728 Richard Guenther <rguenther@suse.de>
14730 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14732 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14734 * combine.c (gen_lowpart_or_truncate): Call
14735 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14737 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14739 * doc/invoke.texi: Move -fopenmp description to "Options for
14741 Remove reference to -lgomp.
14743 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14745 * doc/install.texi: Require GNU tar version 1.14.
14747 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14749 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14750 * doc/invoke.texi (C++ Dialect Options): Document
14751 -fno-use-cxa-get-exception-ptr.
14752 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14753 * configure: Regenerate.
14754 * c.opt (fuse-cxa-get-exception-ptr): New.
14755 * c-opts.c (c_common_handle_option): Handle
14756 OPT_fuse_cxa_get_exception_ptr.
14757 * c-common.c (flag_use_cxa_atexit): Update documentation.
14758 (flag_use_cxa_get_exception_ptr): New.
14759 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14760 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14762 (C_COMMON_OVERRIDE_OPTIONS): New.
14764 2006-02-24 Roger Sayle <roger@eyesopen.com>
14766 PR middle-end/24952
14767 * combine.c (try_combine): Explicitly check whether GET_CODE is
14768 a SET or a CLOBBER, instead on checking that it isn't a USE.
14770 2006-02-24 Roger Sayle <roger@eyesopen.com>
14772 * fold-const.c (fold_comparison): New subroutine of fold_binary
14773 containing transformations common to both the equality and
14774 ordering relational operators, factored out of fold_binary.
14775 (fold_binary): Separate out the equality operators (EQ_EXPR
14776 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14777 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14778 transformations common to both.
14779 (fold_div_compare): Fix latent bugs in the previously unreachable
14780 LT_EXPR and GE_EXPR cases.
14782 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14784 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14785 decl libname for clog to __clog on AIX.
14787 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14789 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14792 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14793 output traceback table for thunks. Localise rs6000_stack_info call.
14795 2006-02-23 Roger Sayle <roger@eyesopen.com>
14796 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14798 * gthr-posix.h (__gthrw): Fix typo in comment.
14800 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14802 * doc/cpp.texi (Character sets): Document that we do support
14803 input files to be in any character set.
14805 2006-02-23 Jeff Law <law@redhat.com>
14807 * tree.h (PHI_ARG_NONZERO): Remove.
14808 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14809 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14810 node to the new node.
14812 PR tree-optimization/26425
14813 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14814 min/max, then assume its varying.
14816 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14818 PR rtl-optimization/26316
14819 * rtlanal.c (enum may_trap_p_flags): New.
14820 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14821 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14822 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14823 (may_trap_after_code_motion_p): New function.
14824 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14825 (find_invariant_insn): Use may_trap_after_code_motion_p.
14826 * rtl.h (may_trap_after_code_motion_p): Declare.
14828 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14830 * emit-rtl.c (immed_double_const): Cleanup.
14832 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14834 Fix PR tree-optimization/26376
14835 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14838 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14840 PR middle-end/26412
14841 * gimplify.c (omp_add_variable): Guard variable size decl test with
14842 DECL_SIZE (decl) check.
14844 2006-02-23 Richard Guenther <rguenther@suse.de>
14846 PR middle-end/26439
14847 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14848 like aggregate types.
14850 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14852 * configure.ac: Add --with{,out}-long-double-128 configure option.
14853 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14854 * configure: Rebuilt.
14855 * config.in: Rebuilt.
14856 * doc/install.texi (Options specification): Document
14857 --with-long-double-128.
14859 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14860 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14861 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14862 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14864 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14866 * config/s390/s390.c (override_options): Handle
14867 TARGET_DEFAULT_LONG_DOUBLE_128.
14869 * config/alpha/alpha.c (override_options): Handle
14870 TARGET_DEFAULT_LONG_DOUBLE_128.
14872 * config/sparc/sparc.c (sparc_override_options): Handle
14873 TARGET_DEFAULT_LONG_DOUBLE_128.
14875 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14877 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14878 (real-install-headers-tar, real-install-headers-cpio)
14879 (real-install-headers-cp): New targets.
14881 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14883 * tree.h (variable_section): Delete.
14884 * varasm.c (variable_section): Delete.
14886 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14888 * install.texi: Add notes on install.texi2html.
14889 (Building in parallel): Do not use footnotes.
14891 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14894 * doc/install.texi (Configuration): Document --disable-libgomp.
14896 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14898 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14900 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14902 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14903 (vec_extractv2df_0_sse): New.
14905 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14907 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14908 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14909 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14910 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14911 to the result of the expression.
14912 (def_cfa_1): Adjust.
14913 (frame_pointer_cfa_offset): Rename to...
14914 (frame_pointer_fb_offset): ... this. Adjust all uses.
14915 (convert_cfa_to_loc_list): Rename to...
14916 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14917 Pass it on to build_cfa_loc.
14918 (compute_frame_pointer_to_cfa_displacement): Rename to...
14919 (compute_frame_pointer_to_fb_displacement): ... this. New
14920 offset parameter. Use it in computation.
14921 (gen_subprogram_die): Compute cfa_fb_offset with the new
14922 macro, and use it to compute the fb loc list and the
14925 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14927 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14928 replaced with register_operand.
14929 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14930 non-DREG is expensive.
14931 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14932 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14935 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14937 * doc/install.texi2html: Use set -e.
14939 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14941 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14942 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14943 * doc/invoke.texi (-fshared-data): Delete.
14944 * common.opt (fshared-data): Delete.
14945 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14946 (assemble_static_space): Remove #if 0 code.
14947 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14948 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14949 * config/cris/cris.h: Remove FIXME.
14951 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14953 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14956 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14958 PR middle-end/26379
14959 * combine.c (simplify_shift_const_1): Disable nested shifts
14960 optimization for vector shifts.
14962 2006-02-20 Roger Sayle <roger@eyesopen.com>
14964 PR tree-optimization/26361
14965 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14966 of unsigned integer types.
14968 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14970 * tree-chrec.c (eq_evolutions_p): New.
14971 * tree-chrec.h (eq_evolutions_p): Declared.
14972 * tree-data-ref.c: Fix formatting.
14973 (datadep_stats, dependence_stats): New.
14975 (print_direction_vector): New.
14976 (dump_data_dependence_relation): Use print_direction_vector.
14977 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14978 (compute_subscript_distance): Static.
14979 (initialize_data_dependence_relation): Static. Get the number
14980 of loops surrounding the references from the callers, and initialize
14981 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14982 base_object_differ_p analyzers.
14983 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14984 compute_overlap_steps_for_affine_1_2,
14985 analyze_subscript_affine_affine): Count the classified dependences.
14986 Print a message when a test failed.
14987 (can_use_analyze_subscript_affine_affine): New.
14988 (analyze_siv_subscript): Compute the data dependences on symbolic
14989 scevs that verify can_use_analyze_subscript_affine_affine.
14990 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14991 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14992 Handle symbolic scevs.
14993 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14995 (subscript_dependence_tester): Moved...
14996 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14997 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14998 DDR_SIZE_VECT instead of getting it in parameter.
14999 (subscript_dependence_tester): ... here. Take as a parameter
15000 loop_nest_depth. Call build_classic_dist_vector and
15001 build_classic_dir_vector.
15002 (compute_affine_dependence): Update subscript_dependence_tester
15003 parameters. Update datadep_stats counters. Call
15004 compute_subscript_distance.
15005 (compute_self_dependence): Save the dist and dir vectors. Call
15006 compute_subscript_distance.
15007 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
15008 (compute_all_dependences): Reorder parameters as they were before
15009 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
15010 compute_subscript_distance. Update the use of
15011 compute_affine_dependence and initialize_data_dependence_relation.
15012 (find_data_references_in_loop): Handle COMPONENT_REF.
15013 (compute_data_dependences_for_loop): Initialize dependence_stats.
15014 Don't call build_classic_dist_vector and build_classic_dir_vector.
15015 Update the parameters of initialize_data_dependence_relation and
15016 compute_all_dependences. Print the statistics from datadep_stats.
15017 (analyze_all_data_dependences): Static. Not used until the pass for
15018 checking the data dependences is contributed.
15019 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
15020 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
15021 (initialize_data_dependence_relation, compute_affine_dependence,
15022 analyze_all_data_dependences, compute_subscript_distance): Removed.
15023 (print_direction_vector): New.
15024 * lambda.h (gcd): ... here.
15025 (lambda_vector_gcd): Moved here from gcd_vector.
15026 * lambda-code.c (gcd, gcd_vector): Removed.
15027 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
15028 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
15030 2006-02-20 Diego Novillo <dnovillo@redhat.com>
15032 * ipa-type-escape.c: Tidy some comments and white space.
15033 * tree-ssa-operands.c: Likewise.
15035 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
15038 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
15039 (dump_decl_name): Do not walk the decl tree chains.
15040 * tree-pass.h (TDF_CHAIN): Remove.
15042 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15044 * Makefile.in (C): Remove
15046 (.PHONY): Remove C and PROTO
15048 2006-02-20 Roger Sayle <roger@eyesopen.com>
15050 PR middle-end/26236
15051 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
15052 deprecated CHAR_TYPE tree code.
15054 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15056 * configure.ac (target_list): Add install-info, dvi, html.
15057 * configure: Regenerate.
15059 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
15060 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
15061 treelang/Make-lang.in: Do not use double-colon rules.
15063 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
15065 * tree.h (struct tree_memory_tag): Add is_used_alone member.
15066 (TMT_USED_ALONE): New macro.
15067 * tree-pass.h (PROP_tmt_usage): New property.
15068 (TODO_update_tmt_usage): New todo.
15069 * tree-ssa-alias.c (updating_used_alone): New variable.
15070 (recalculate_used_alone): New function.
15071 (compute_may_aliases): Set updating_used_alone, call
15072 recalculate_used_alone.
15073 * tree-sra.c (pass_sra): Note that this pass destroys
15074 PROP_tmt_usage, and add TODO_update_tmt_usage.
15075 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
15076 * tree-flow.h (updating_used_alone): Prototype.
15077 (recalculate_used_alone): Ditto.
15078 * passes.c (execute_todo): Add code to set updating_used_alone,
15079 and call recalculate.
15080 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
15081 for clobber if used alone, and add assert to verify used_alone
15084 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
15086 * config/s390/s390.c (legitimize_pic_address): Assertions checking
15087 for non tls symbols added.
15088 (legitimize_address): Do nothing for PLUS expressions if one of the
15089 addends is a tls symbol reference.
15091 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15095 * Makefile.in (LDFLAGS): Define from autoconf substitution.
15097 * Makefile.in (BOOTSTRAPPING): New.
15098 (quickstrap): New definition if BOOTSTRAPPING=yes.
15100 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
15101 * configure.ac: Substitute all_selected_languages with the languages
15102 that were configured. For all the other variables except
15103 lang_specs_files, include all the languages in the tree.
15104 * configure: Regenerate.
15106 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
15107 if there is one. Run the commands to run fixincludes in the same
15110 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
15111 * doc/install.texi: Document exact conventions for searching target tools.
15112 Document --with-build-time-tools. Document toplevel bootstrap. Document
15113 something more about building an Ada cross-compiler. Don't list GNU Make
15114 requirements which affect all platforms.
15116 2006-02-19 Roger Sayle <roger@eyesopen.com>
15118 PR middle-end/19543
15119 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
15120 only equivalent if the have both the same mode and precision.
15122 2006-02-20 Ben Elliston <bje@au.ibm.com>
15124 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
15126 2006-02-19 Roger Sayle <roger@eyesopen.com>
15127 Steven Bosscher <stevenb.gcc@gmail.com>
15129 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
15130 constant pool references to identify stack mode constants.
15131 * rtlanal.c (constant_pool_constant_p): New predicate to check
15132 whether operand is a floating point constant in the pool.
15133 * rtl.h (constant_pool_constant_p): Prototype here.
15134 * loop.c (scan_loop): Avoid hoisting constants from the constant
15135 pool on STACK_REGS targets.
15136 (load_mems): Likewise.
15137 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
15138 loads into x87 registers expensive in terms of register pressure.
15140 2006-02-19 Roger Sayle <roger@eyesopen.com>
15142 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
15143 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
15145 2006-02-19 David Edelsohn <edelsohn@gnu.org>
15147 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15148 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
15150 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
15152 * doc/invoke.texi: Document -fipa-pta.
15153 * common.opt: Add ipa-pta option.
15154 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
15155 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
15156 (do_ds_constraint): Ditto.
15157 (get_constraint_for): Only add to referenced_vars if
15158 referenced_vars exists.
15159 (insert_into_field_list): Rewrite to do this unsorted.
15160 (insert_into_field_list_sorted): Rename old insert_into_field_list
15162 (create_function_info_for): Use insert_into_field_list_sorted.
15163 (create_variable_info_for): Rewrite so it uses unsorted version,
15164 since the field list is sorted.
15165 (intra_create_variable_infos): Only add to referenced_vars if
15166 referenced_vars exists.
15167 (ipa_pta_execute): Init heapvars, and delete when done.
15168 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15170 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15172 * doc/install.texi: Add missing `@samp'.
15174 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15176 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15179 2006-02-18 Mark Wielaard <mark@klomp.org>
15181 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15182 who added new 4.1 features, bug fixes and integration support.
15184 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15187 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15188 MEM for ABI_V4 pic.
15190 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15192 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15193 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15194 (copy_insn_1): Likewise. Don't copy each field individually.
15196 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15198 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15199 * rtl.c (rtx_size): Rename variable to...
15200 (rtx_code_size): ...this.
15201 (rtx_size): New function.
15202 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15203 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15205 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15206 * rtl.h (rtx_code_size): New variable.
15207 (rtx_size): Change from a variable to a function.
15208 (RTX_SIZE): Rename to...
15209 (RTX_CODE_SIZE): ...this.
15212 PR tree-optimization/17106
15213 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15214 (Anchored Addresses): New section.
15215 * doc/invoke.texi (-fsection-anchors): Document.
15216 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15217 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15218 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15219 * hooks.c (hook_bool_mode_rtx_false): New function.
15220 * hooks.h (hook_bool_mode_rtx_false): Declare.
15221 * gengtype.c (create_optional_field): New function.
15222 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15223 SYMBOL_REF_IN_BLOCK_P is true.
15224 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15225 (min_anchor_offset, max_anchor_offset): Likewise.
15226 (use_anchors_for_symbol_p): New hook.
15227 * toplev.c (compile_file): Call output_object_blocks.
15228 (target_supports_section_anchors_p): New function.
15229 (process_options): Check that -fsection-anchors is only used on
15230 targets that support it and when -funit-at-a-time is in effect.
15231 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15232 if the decl doesn't have one.
15233 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15234 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15235 of force_const_mem through use_anchored_address.
15236 (expand_expr_constant): New function.
15237 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15238 calling expand_expr for INDIRECT_REF.
15239 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15240 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15241 * expr.h (use_anchored_address): Declare.
15242 * loop-unroll.c: Don't declare rtx vectors here.
15243 * explow.c: Include output.h.
15244 (validize_mem): Call use_anchored_address.
15245 (use_anchored_address): New function.
15246 * common.opt (-fsection-anchors): New switch.
15247 * varasm.c (object_block_htab, anchor_labelno): New variables.
15248 (hash_section, object_block_entry_eq, object_block_entry_hash)
15249 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15250 (use_blocks_for_decl_p, change_symbol_section): New functions.
15251 (get_variable_section): New function, split out from assemble_variable.
15252 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15253 use_blocks_for_decl_p say so. Use change_symbol_section if the
15254 symbol has already been created.
15255 (assemble_variable_contents): New function, split out from...
15256 (assemble_variable): ...here. Don't output any code for
15257 block symbols; just pass them to place_block_symbol.
15258 Use get_variable_section and assemble_variable_contents.
15259 (get_constant_alignment, get_constant_section, get_constant_size): New
15260 functions, split from output_constant_def_contents.
15261 (build_constant_desc): Create a block symbol if use_object_blocks_p
15262 says so. Or into SYMBOL_REF_FLAGS.
15263 (assemble_constant_contents): New function, split from...
15264 (output_constant_def_contents): ...here. Don't output any code
15265 for block symbols; just pass them to place_section_symbol.
15266 Use get_constant_section and get_constant_alignment.
15267 (force_const_mem): Create a block symbol if use_object_blocks_p and
15268 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15269 (output_constant_pool_1): Add an explicit alignment argument.
15270 Don't switch sections here.
15271 (output_constant_pool): Adjust call to output_constant_pool_1.
15272 Switch sections here instead. Don't output anything for block symbols;
15273 just pass them to place_block_symbol.
15274 (init_varasm_once): Initialize object_block_htab.
15275 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15276 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15277 (place_block_symbol, get_section_anchor, output_object_block)
15278 (output_object_block_htab, output_object_blocks): New functions.
15279 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15280 (TARGET_ASM_OUT): Include it.
15281 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15282 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15283 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15284 (TARGET_INITIALIZER): Include them.
15285 * rtl.c (rtl_check_failed_block_symbol): New function.
15286 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15287 (block_symbol, object_block): New structures.
15288 (rtx_def): Add a block_symbol field to the union.
15289 (BLOCK_SYMBOL_CHECK): New macro.
15290 (rtl_check_failed_block_symbol): Declare.
15291 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15292 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15293 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15294 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15295 * output.h (output_section_symbols): Declare.
15296 (object_block): Name structure.
15297 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15298 (default_use_anchors_for_symbol_p): Declare.
15299 * Makefile.in (RTL_BASE_H): Add vec.h.
15300 (explow.o): Depend on output.h.
15301 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15302 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15303 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15304 (rs6000_use_blocks_for_constant_p): New function.
15306 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15308 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15310 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15313 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15316 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15318 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15322 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15324 PR middle-end/26334
15325 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15326 instead of DECL_REGISTER.
15328 2006-02-18 Olivier Hainque <hainque@adacore.com>
15331 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15333 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15336 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15337 * opth-gen.awk: Handle Var and InverseMask together.
15338 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15339 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15340 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15341 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15343 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15344 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15345 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15346 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15347 LINUX_DYNAMIC_LINKER): Define.
15348 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15349 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15351 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15352 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15353 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15354 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15355 (TARGET_C99_FUNCTIONS): Don't define.
15356 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15357 GLIBC_DYNAMIC_LINKER.
15358 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15359 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15360 GLIBC_DYNAMIC_LINKER64): Define.
15361 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15362 LINUX_DYNAMIC_LINKER64.
15363 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15364 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15365 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15366 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15367 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15368 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15369 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15370 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15371 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15372 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15373 and LINUX_DYNAMIC_LINKER32.
15374 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15375 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15376 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15377 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15378 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15380 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15381 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15382 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15383 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15384 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15385 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15386 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15387 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15388 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15389 LINUX_DYNAMIC_LINKER): Define.
15390 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15391 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15392 GLIBC_DYNAMIC_LINKER64): Define.
15393 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15394 LINUX_DYNAMIC_LINKER64.
15395 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15396 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15397 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15398 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15399 LINUX_DYNAMIC_LINKER): Define.
15400 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15401 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15402 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15403 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15404 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15405 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15406 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15407 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15408 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15409 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15410 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15411 * doc/invoke.texi (-muclibc): Remove caveat about supported
15414 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15416 * doc/cpp.texi (__TIMESTAMP__): Document.
15418 2006-02-17 Roger Sayle <roger@eyesopen.com>
15420 PR middle-end/25600
15421 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15422 C is one less than the width of X (and related transformations).
15423 * simplify-rtx.c (simplify_unary_operation_1): Transform
15424 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15425 depending on STORE_FLAG_VALUE, were C is one less then the
15428 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15430 Fix PR tree-optimization/26341
15431 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15432 about NAME_MEMORY_TAG's.
15434 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15437 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15438 with hardware float support, and software float support. Add fcpy
15439 alternative to hardware patterns. Add alternatives to copy between
15440 general and floating-point registers to the 32-bit pattern.
15441 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15442 secondary reload to load a QI or HI mode constant into a floating
15444 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15445 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15447 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15450 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15452 (load_macho_picbase_di): Likewise.
15454 2006-02-16 Jeff Law <law@redhat.com>
15456 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15457 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15458 (ssa_name_nonzero_p): Likewise.
15459 (get_value_range): Return NULL if VRP is not running.
15460 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15461 VRP routines do not discover a range.
15462 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15463 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15464 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15465 (tree_expr_nonnegative_p): Similarly.
15466 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15467 (restore_nonzero_vars_to_original_value): Remove.
15468 (unsafe_associative_fp_binop): Remove.
15469 (tree_ssa_dominator_optimize): Remove initialization and
15470 finalization of nonzero_vars and nonzero_vars_stack.
15471 (dom_opt_initialize_block): No longer push marker on
15472 nonzero_vars_stack.
15473 (dom_opt_finalize_block): No longer call
15474 restore_nonzero_vars_to_original_value.
15475 (record_equivalences_from_phis): No longer look for
15476 nonzero PHI arguments.
15477 (cprop_into_successor_phis): No longer propagate nonzero
15478 property into PHI arguments. Lose unused argument. Caller
15480 (record_equivalences_from_stmt): No longer record nonzero
15481 values for SSA_NAMEs.
15482 (lookup_avail_expr): No longer use nonzero_vars.
15484 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15485 for sizetype when sizetype is unsigned.
15487 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15489 PR rtl-optimization/25603
15490 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15491 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15492 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15493 with new meaning of SETS.
15495 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15500 * config/linux.opt: New file.
15501 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15502 LINUX_DYNAMIC_LINKER): Define.
15503 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15504 * config.gcc (*-*-linux*): Define extra_options.
15505 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15506 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15507 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15508 GLIBC_DYNAMIC_LINKER.
15509 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15510 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15511 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15513 * doc/invoke.texi (GNU/Linux Options): New section.
15515 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15517 * config/sparc/sparc.md (setjmp): Rewrite.
15518 (setjmp_32): Delete.
15519 (setjmp_64): Likewise.
15521 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15523 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15526 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15528 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15531 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15533 PR rtl-optimization/26296
15534 * Makefile.in (loop-invariant.c): Add except.h dependency.
15535 * loop-invariant.c: Include except.h.
15536 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15538 2005-02-16 Paul Brook <paul@codesourcery.com>
15540 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15543 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15545 PR rtl-optimization/25636
15546 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15547 when deciding whether an insn is an initializing insn.
15549 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15551 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15552 (tree_code_size): Ditto.
15553 * tree.h (struct tree_memory_tag): Remove parent_var.
15554 (struct tree_struct_field_tag): New.
15557 (union tree_node): Add sft member.
15558 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15560 (create_sft): Add size and offset argument, set SFT_OFFSET and
15562 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15563 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15564 * tree-flow-inline.h (get_subvar_at): Update for
15565 SFT_OFFSET/SFT_SIZE.
15566 (var_can_have_subvars): Ditto.
15567 (overlap_subvar): Ditto.
15568 * print-tree.c (print_node): Print out interesting things for
15570 * tree-flow.h (struct subvar): Remove offset and size members.
15571 * tree-ssa-operands.c (get_expr_operands): Update for
15572 get_indirect_ref_operands changes.
15573 (get_indirect_ref_operands): Call add_virtual_operand instead of
15574 add_stmt_operand. Only recurse on base var if requested.
15575 (access_can_touch_variable): New function.
15576 (add_stmt_operand): Split virtual operand handling into ...
15577 (add_virtual_operand): Here. Add offset, size, and for_clobber
15578 arguments. Prune alias sets.
15579 (add_call_clobber_ops): Call add_virtual_operand.
15581 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15583 PR middle-end/26300
15584 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15586 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15587 than TREE_CODE as index into omp_clause_num_ops array.
15589 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15591 PR rtl-optimization/26184
15592 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15594 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15595 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15596 must_precede, must_follow and tobe_scheduled.
15599 * opts.c (common_handle_option): Free new_option pointer.
15600 * df-core.c (df_analyze): Free postorder pointer.
15602 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15604 * Makefile.in: Fix the examples about the use of stamps
15606 2006-02-15 Michael Matz <matz@suse.de>
15608 PR middle-end/22275
15610 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15611 influenced by maximum_field_alignment or DECL_PACKED.
15612 (update_alignment_for_field): Ditto.
15613 (place_field): Ditto.
15614 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15617 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15619 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15620 (debug_flow_info): Pass it.
15621 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15622 * bb-reorder.c (reorder_basic_blocks): Likewise.
15623 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15624 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15625 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15626 * gcse.c (gcse_main, bypass_jumps): Likewise.
15627 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15628 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15629 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15630 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15631 * rtl.h (dump_flow_info): Adjust prototype.
15632 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15633 * var-tracking.c (variable_tracking_main): Likewise.
15634 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15635 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15638 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15640 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15643 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15645 PR tree-optimization/26209
15646 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15647 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15649 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15651 2006-02-14 Roger Sayle <roger@eyesopen.com>
15653 PR middle-end/23670
15654 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15655 (X,Y) and the corresponding symmetry related transformations.
15656 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15657 (X,Y) and its symmetry related transformations.
15659 2006-02-14 Roger Sayle <roger@eyesopen.com>
15661 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15664 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15666 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15668 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15671 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15672 support COMDAT group.
15673 * configure: Regenerate.
15675 2006-02-14 Roger Sayle <roger@eyesopen.com>
15677 PR middle-end/26279
15678 PR middle-end/26280
15679 PR middle-end/26283
15680 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15682 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15684 Fix PR tree-optimization/26260
15686 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15688 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15689 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15690 * tree-ssa-structalias.c (create_variable_info_for): Use
15691 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15693 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15695 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15697 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15698 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15699 of the ending condition.
15700 * tree-ssa-loop-manip.c: Include params.h.
15701 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15702 tree_unroll_loop): New functions.
15703 * tree-pass.h (pass_loop_prefetch): Declare.
15704 * loop.c (rest_of_handle_loop_optimize): Test for
15705 -fprefetch-loop-arrays-rtl.
15706 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15707 * timevar.def (TV_TREE_PREFETCH): New timevar.
15708 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15709 pass_loop_prefetch): New.
15710 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15711 (cleanup_tree_cfg_loop): Call scev_reset.
15712 * common.opt (fprefetch-loop-arrays-rtl): Add.
15713 * tree-ssa-loop-prefetch.c: New file.
15714 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15715 (new_temp_expr_table): Initialize expr_vars.
15716 (free_temp_expr_table): Cleanup expr_vars.
15717 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15718 expressions from being merged into one.
15719 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15720 (struct tree_niter_desc): Add control, bound and cmp fields.
15721 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15723 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15724 (tree-cfgcleanup.o): Add SCEV_H dependency.
15725 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15726 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15728 2006-02-14 Richard Guenther <rguenther@suse.de>
15730 PR tree-optimization/26258
15731 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15732 in PHI argument processing.
15734 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15736 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15737 new expression in the requested machine mode.
15739 2006-02-13 Roger Sayle <roger@eyesopen.com>
15741 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15742 directly, instead let do_compare_rtx_and_jump handle this for us.
15743 * expr.c (expand_expr_real_1): Likewise.
15744 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15745 before do_jump_by_parts_greater.
15746 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15747 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15749 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15751 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15753 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15755 PR rtl-optimization/26235
15756 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15757 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15760 2006-02-13 Jeff Law <law@redhat.com>
15762 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15765 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15767 PR middle-end/26092
15768 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15769 twice if decl is a builtin. When trying again, call get_callee_fndecl
15770 first to verify it is still a builtin.
15772 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15774 * dwarf2out.c (base_type_die): Don't add AT_name here.
15775 (subrange_type_die): Don't add AT_name here.
15776 (modified_type_die): Rearrange code flow. Do add AT_name here.
15778 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15780 PR rtl-optimization/26247
15781 PR rtl-optimization/26248
15782 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15784 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15786 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15787 * config/fixtfdi.c: Likewise.
15788 * config/fixunstfdi.c: Likewise.
15789 * config/floatditf.c: Likewise.
15791 2006-02-13 Roger Sayle <roger@eyesopen.com>
15793 PR middle-end/24427
15794 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15795 into (X,C2) if C1 is a subset of the bits of C2. Transform
15796 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15798 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15800 2006-02-13 Josh Conner <jconner@apple.com>
15803 * varasm.c (function_section): Check for section name before
15804 calling select_section on targets that define
15805 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15806 unlikely_text_section instead of hot_function_section if
15807 first_function_block_is_cold.
15809 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15811 PR middle-end/25335
15812 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15814 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15816 PR rtl-optimization/26222
15817 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15818 after tree->rtl expansion.
15819 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15820 before passing it to emit_move_insn.
15822 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15824 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15826 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15827 Clarify documentation.
15828 * c-common.h (warn_write_strings): Remove.
15829 * c-common.c (warn_write_strings): Likewise.
15830 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15833 2006-02-12 Roger Sayle <roger@eyesopen.com>
15835 PR middle-end/25724
15836 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15837 (do_jump_parts_zero_rtx): New function renamed from
15838 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15839 (do_jump_parts_equality_rtx): New function split out from
15840 do_jump_parts_equality. Old implementation renamed as above.
15841 Call do_jump_parts_zero_rtx if either operand is zero.
15842 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15843 do all of the heavy lifting.
15844 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15845 calling either do_jump_by_parts_greater_rtx or
15846 do_jump_by_parts_equality_rtx.
15847 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15848 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15849 moved to do_compare_rtx_and_jump, call it directly.
15850 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15851 mode argument. Call do_compare_rtx_and_jump.
15852 (emit_case_nodes): Update calls to do_jump_if_equal.
15854 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15856 PR rtl-optimization/26225
15857 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15859 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15861 PR rtl-optimization/26232
15862 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15864 2006-02-11 Jason Merrill <jason@redhat.com>
15867 * tree-inline.c (declare_return_variable): Just don't use the
15868 modify target if it's a gimple complex reg and the return slot
15871 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15873 * doc/contrib.texi: Update my entry.
15875 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15877 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15879 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15881 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15884 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15886 * doc/invoke.texi (-floop-optimize2): Removed.
15887 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15888 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15889 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15890 * common.opt (floop-optimize2): Removed.
15891 (fmove-loop-invariants): Enabled by default.
15893 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15895 * tree-if-conv.c (combine_blocks): Free the result of
15896 get_loop_exit_edges.
15898 2006-02-10 Jeff Law <law@redhat.com>
15900 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15902 PR tree-optimization/26213
15903 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15904 loop trying to follow SSA_NAME_VALUE chains.
15906 2006-02-10 Richard Guenther <rguenther@suse.de>
15908 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15909 deal with structures that end in implicitly variable sized arrays.
15911 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15913 PR rtl-optimization/24762
15914 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15917 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15919 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15920 (struct ivopts_data): Add regs_used field.
15921 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15922 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15923 instead of loop_data->regs_used;
15924 (free_loop_data): Do not free aux fields for loops.
15925 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15926 and tree_ssa_iv_optimize_finalize.
15928 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15930 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15932 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15935 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15936 computing the effective result type.
15938 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15940 PR inline-asm/16194
15941 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15942 (tree_overlaps_hard_reg_set): Declare.
15943 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15944 type and signature to match function type expected by walk_tree.
15945 (tree_overlaps_hard_reg_set): New function.
15946 (decl_conflicts_with_clobbers_p): Rename to:
15947 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15948 Use tree_overlaps_hard_reg_set. Changed caller.
15949 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15950 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15951 * cris.c (cris_md_asm_clobbers): Likewise.
15953 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15955 * reload1.c (emit_input_reload_insns): Delete code that tries to
15956 inherit using find_equiv_reg.
15958 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15960 * c-common.h (flag_const_strings): Don't declare.
15961 * c-common.c (flag_const_strings): Remove.
15962 * c.opt (fconst_strings): Remove.
15963 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15964 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15965 (c_common_init_options): Don't set flag_const_strings.
15966 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15968 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15970 * arm.md (tlobits_cbranch): New pattern.
15971 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15972 testing a single bit.
15974 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15977 * tree-ssa-pre.c (create_component_ref_by_pieces):
15978 Handle RETURN_DECL like VAR_DECL.
15980 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15982 PR middle-end/26134
15983 * fold-const.c (fold_indirect_ref_1): Fold
15984 "*(foo *)&complexfoo" to "__real__ complexfoo"
15985 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15987 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15989 * tree-flow-inline.h (var_can_have_subvars):
15990 Volatile variables should not have subvariables.
15992 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15995 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15996 multiplying unsigned values.
15999 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
16001 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
16003 2006-02-08 Jason Merrill <jason@redhat.com>
16006 * tree.def: Elaborate on difference from MODIFY_EXPR.
16007 * doc/c-tree.texi (INIT_EXPR): Likewise.
16008 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
16009 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
16010 (gimplify_target_expr): Likewise.
16011 (gimplify_cond_expr): Remove target handling.
16012 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
16013 (gimplify_expr): Clobber it here.
16014 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
16015 Do return slot optimization if we have an INIT_EXPR.
16018 * tree-inline.c (declare_return_variable): Also clear
16019 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
16022 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
16024 PR middle-end/22439
16025 * gimplify.c (gimplify_one_sizepos): Fix typo.
16027 2006-02-08 Jeff Law <law@redhat.com>
16029 PR tree-optimization/21417
16030 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
16031 across a backedge if the control statement at the end of the
16032 block is data dependent on other statements in the same block.
16033 (record_temporary_equivalences_from_stmts): Remove over-conservative
16034 test for threading across backedges.
16036 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
16037 control statement, handle all three special cases in the same
16038 manner as they all have the same desired solution. No longer
16039 special case edge flag updating when the post dominator is
16042 2006-02-08 Roger Sayle <roger@eyesopen.com>
16044 * tree.def (CHAR_TYPE): Remove.
16045 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
16046 * dwarf2out.c (base_type_die, is_base_type): Likewise.
16047 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
16048 (gen_string_type_die): Delete unreachable function.
16050 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
16051 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
16052 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
16053 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
16054 * builtins.c (type_to_class): Likewise.
16055 * fold-const.c (fold_convert, build_range_check,
16056 merge_ranges): Likewise.
16057 * expr.c (count_type_elements): Likewise.
16058 * c-pretty-print.c (pp_c_type_specifier): Likewise.
16059 * stor-layout.c (layout_type): Likewise.
16060 * ipa-type-escape.c (type_to_consider): Likewise.
16061 * gimplify.c (omp_firstprivatize_type_sizes,
16062 gimplify_type_sizes): Likewise.
16063 * explow.c (promote_mode): Likewise.
16064 * tree-sra.c (is_sra_scalar_type): Likewise.
16065 * varasm.c (output_constant): Likewise.
16066 * tree-inline.c (remap_type_1): Likewise.
16067 * convert.c (convert_to_pointer, convert_to_real,
16068 convert_to_integer, convert_to_complex): Likewise.
16070 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
16072 * df-scan.c (df_def_record_1): A set destination may
16073 be a parallel regardless of mode.
16075 2006-02-08 Roger Sayle <roger@eyesopen.com>
16078 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
16079 * config/mips/_tilib.c: Remove.
16080 * config/fixtfdi.c: New libgcc source file.
16081 * config/fixunstfdi.c: New source file.
16082 * config/floatditf.c: New source file.
16083 * config/floatunditf.c: New souce file.
16084 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
16085 files above instead of config/mips/_tilib.c.
16086 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
16088 2006-02-08 Jeff Law <law@redhat.com>
16090 PR tree-optimization/26169
16091 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
16094 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
16096 * df.h (DF_REG_SIZE): Return the length of the initialized
16099 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
16101 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
16102 __muldf3): Return a correctly signed zero.
16104 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
16106 * passes.c (register_one_dump_file): Accept the current properties
16107 instead of pass number. Adjust call to dump_register. Remove
16109 (register_dump_files): Now a wrapper around...
16110 (register_dump_files_1): ... this one. Do not modify the pass
16112 (next_pass_1): Cosmetic fix.
16113 (execute_todo): Keep second parameter only. Use curr_properties
16114 instead of fetching it from the pass structure. Check and set
16116 (execute_one_pass): Handle TODO_set_props. Use curr_properties
16117 instead of fetching it from the pass structure. Fix calls to
16118 execute_todo. Update curr_properties and initialize .vcg RTL dump
16119 after running the pass. Reset last_verified.
16120 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
16122 (FIRST_AUTO_NUMBERED_DUMP): New.
16123 (dump_register): Remove "num" parameter, assign it within the
16125 (get_dump_file_name): Modify template for dumps.
16126 * tree-dump.h (dump_register): Adjust prototype.
16127 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
16128 (PROP_trees): Add PROP_gimple_lomp.
16129 (TODO_set_props): New.
16130 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
16131 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
16132 * cfgexpand.c (pass_expand): Destroy PROP_trees.
16134 2006-02-08 Jakub Jelinek <jakub@redhat.com>
16136 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
16137 (sparc64-*-linux*): Likewise.
16138 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
16139 * config/sparc/t-linux: New file.
16140 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
16141 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
16142 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
16143 -m32 -mlong-double-128.
16145 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
16146 * config/alpha/t-linux: New file.
16147 * config/alpha/libgcc-alpha-ldbl.ver: New file.
16149 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
16150 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
16151 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
16152 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
16153 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
16154 (CPP_ARCH32_SPEC): Remove.
16156 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
16158 PR tree-optimization/26145
16159 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
16162 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16165 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
16166 >= 240000 when generating code for SOM runtime.
16167 (output_indirect_call): Don't use "b,l" instruction for indirect calls
16168 to $$dyncall when generating code for SOM runtime..
16170 2006-02-07 Dirk Mueller <dmueller@suse.com>
16173 * doc/invoke.texi (-Wsequence-point): Update documentation
16174 that -Wsequence-point is implemented for C++ as well.
16176 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16178 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16179 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16180 (LIB_SPEC): Likewise.
16181 * doc/invoke.texi (SPARC options): Document -pthread.
16183 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16185 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16188 2006-02-07 Roger Sayle <roger@eyesopen.com>
16190 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16191 Correct comment describing BOOLEAN_TYPE.
16193 2006-02-07 Dirk Mueller <dmueller@suse.com>
16195 * c.opt: C++ frontend supports -Wdiv-by-zero.
16196 * c-opts.c (c_common_handle_option): Remove dead case.
16198 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16200 * configure.ac (TLS assembler check): Do not enable TLS by
16201 default on SPARC/Solaris before version 10.
16202 * configure: Regenerate.
16204 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16206 * doc/invoke.texi (xl-compat): Document conversion and support
16209 2006-02-07 Jeff Law <law@redhat.com>
16211 * tree-vrp.c (find_conditional_asserts): Update comments.
16212 (simplify_stmt_for_jump_threading): New.
16213 (identify_jump_threads, finalize_jump_threads): New.
16214 (vrp_finalize): Call identify_jump_threads.
16215 (execute_vrp): Call finalize_jump_threads.
16216 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16217 (vrp_element, vrp_data, vrp_element_p): Remove.
16218 (vrp_hash_elt, vrp_variables_stack): Remove.
16219 (vrp_hash, vrp_eq, record_range): Remove.
16220 (simplify_cond_and_lookup_avail_expr): Remove.
16221 (extract_range_from_cond): Remove.
16222 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16223 (simplify_stmt_for_jump_threading): New.
16224 (dom_thread_across_edge): New wrapper.
16225 (tree_ssa_dominator_optimize): No longer initialize or
16226 finalize any of the VRP datastructures. Remove iteration
16227 step and simplify as a result of removal of iteration step.
16228 (pass_dominator): Perform a cfg cleanup after DOM.
16229 (dom_opt_finalize_block): Use the new common routines
16230 for threading jumps. Simplify stack management slightly.
16231 No longer need to unwind VRP state.
16232 (record_equivalences_from_incoming_edge): No longer record
16234 (eliminate_redundant_computations): No longer call
16235 simplify_cond_and_lookup_avail_expr.
16236 * tree-flow.h (potentially_threadable_block): Prototype.
16237 (thread_across_edge): Likewise.
16238 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16239 (tree-ssa-threadedge.o): Add dependencies.
16240 * tree-ssa-threadedge.c: New file.
16241 * passes.c (init_optimization_passes): Merge PHIs before
16242 calling VRP. Run VRP again late in the SSA optimization pipeline.
16244 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16246 * df-core.c (df_set_blocks): Do not dereference function pointers.
16247 (df_finish1): Likewise.
16248 (df_hybrid_search_forward): Likewise.
16249 (df_hybrid_search_backward): Likewise.
16250 (df_iterative_dataflow): Likewise.
16251 (df_analyze_problem): Likewise.
16252 (df_compact_blocks): Likewise.
16253 (df_dump): Likewise.
16254 * df-scan.c (df_rescan_blocks): Likewise.
16255 (df_record_entry_block_defs): Likewise.
16257 * genconditions.c (write_conditions): Guard the definition of
16258 'insn_conditions' with the check on GCC version.
16259 (write_writer): Guard the traversal 'insn_conditions' with
16260 the check on GCC version.
16262 2006-02-07 Richard Guenther <rguenther@suse.de>
16266 2006-01-30 Richard Guenther <rguenther@suse.de>
16268 * gimplify.c (gimplify_target_expr): Handle easy cases
16269 without creating a temporary.
16271 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16273 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16274 use of float in probability computations. Use edge probabilities
16275 in place of statically computed probabilities.
16276 (min_spec_prob): New static variable.
16277 (schedule_insns): Initialize it.
16278 (GET_SRC_PROB): Removed.
16279 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16281 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16284 * config/ia64/unwind-ia64.c: Revert last change.
16285 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16286 (INCOMING_FRAME_SP_OFFSET): Define.
16288 2006-02-06 Roger Sayle <roger@eyesopen.com>
16290 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16292 2006-02-07 Ben Elliston <bje@au.ibm.com>
16294 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16295 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16296 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16297 (ix86_return_in_memory): Handle TDmode.
16298 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16299 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16301 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16303 * reorg.c (dbr_schedule): Use dump_file instead of file.
16305 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16308 * config/ia64/predicates.md (extr_len_operand): New predicate.
16309 * config/ia64/ia64.md (extv): Tighten constraints.
16311 (*tbit_and_2): Ditto.
16312 (*tbit_and_3): Ditto.
16313 (*tbit_or_2): Ditto.
16314 (*tbit_or_3): Ditto.
16315 (*bit_zero): Ditto.
16318 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16321 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16323 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16325 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16326 loop_optimizer_init and loop_optimizer_finalize
16327 * tree-ssa-sink.c (execute_sink_code): Ditto.
16328 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16329 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16330 tree_ssa_loop_done): Ditto.
16331 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16332 * sched-ebb.c: Include output.h.
16333 (schedule_ebbs): Do not use dump argument.
16334 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16335 * loop.c (loop_dump_stream): Removed.
16336 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16338 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16339 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16340 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16341 loop_iterations, strength_reduce, record_biv, record_giv,
16342 final_giv_value, check_final_value, check_ext_dependent_givs,
16343 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16344 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16345 dump_file instead of loop_dump_stream.
16346 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16347 argument dump_file.
16348 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16350 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16351 * haifa-sched.c: Include output.h
16352 (schedule_insns, sched_init): Do not use dump argument.
16353 * mode-switching.c (optimize_mode_switching): Ditto.
16354 * modulo-sched.c (stats_file): Removed.
16355 (print_node_sched_params): Do not call argument dump_file.
16356 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16357 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16359 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16361 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16362 rtl_loop_init, rtl_loop_done): Ditto.
16363 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16364 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16366 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16367 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16368 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16369 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16370 * emit-rtl.c (renumber_insns): Ditto.
16371 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16372 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16373 * regclass.c (regclass): Ditto.
16374 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16375 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16376 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16377 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16379 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16380 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16382 * gcse.c (gcse_file, debug_stderr): Removed.
16383 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16384 rest_of_handle_gcse): Do not use dump argument.
16385 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16386 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16387 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16388 compute_code_hoist_vbeinout, compute_code_hoist_data,
16389 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16390 compute_store_table, build_store_vectors, insert_insn_start_bb,
16391 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16392 store_motion): Use dump_file instead of gcse_file.
16393 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16394 * profile.c (profile_dump_file): Removed.
16395 (branch_prob): Use dump_file instead of profile_dump_file.
16396 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16398 * tree-ssa-copy.c (dump_copy_of): Ditto.
16399 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16400 dump file to life_analysis.
16401 * bt-load.c (branch_target_load_optimize): Ditto.
16402 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16404 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16405 regclass, dbr_schedule): Declaration changed.
16406 * sched-int.h (sched_init): Declaration changed.
16407 * tree-profile.c (tree_profile_dump_file): Removed.
16408 (tree_profile_hooks): Removed profile_dump_file hook.
16409 * rtl-profile (rtl_profile_dump_file): Removed.
16410 (rtl_profile_hooks): emoved profile_dump_file hook.
16411 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16413 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16414 * tree-cfg.c (build_tree_cfg): Ditto.
16415 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16416 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16417 Declaration changed.
16418 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16419 life_analysis and schedule_insns.
16420 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16422 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16424 * config/mips/mips.c (mips_reorg): Ditto.
16425 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16428 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16430 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16431 (s390_mangle_fundamental_type): New.
16432 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16435 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16436 (alpha_mangle_fundamental_type): New.
16437 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16440 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16442 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16444 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16445 (sparc_mangle_fundamental_type): New.
16447 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16449 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16450 (s390x-*-linux*): Likewise.
16451 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16452 * config/s390/t-linux: New file.
16454 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16456 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16457 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16459 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16461 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16462 (ANTIC_SAFE_LOADS): New macro.
16463 (find_or_generate_expression): Add prototype.
16464 (set_contains_value): Allow null set for sake of not always having
16465 to allocate ANTIC_SAFE_LOADS.
16466 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16467 Allow COMPONENT_REF too.
16468 (valid_in_set): Allow COMPONENT_REF.
16469 Check ANTIC_SAFE_LOADS too.
16470 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16471 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16473 (can_PRE_operation): Add COMPONENT_REF.
16474 (create_component_ref_by_pieces): New function.
16475 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16476 (insert_aux): Move AGGREGATE_TYPE_P check here.
16477 (compute_avail): Set bb local stmt uids.
16478 (pass_pre): Use TODO_update_ssa_only_virtuals.
16480 2006-02-06 Ben Elliston <bje@au.ibm.com>
16482 * configure.ac: Unconditionally disable decimal float by default.
16483 * configure: Regenerate.
16485 2006-02-06 Ben Elliston <bje@au.ibm.com>
16487 * read-rtl.c (read_name): Terminate reading on EOF.
16489 2006-02-06 Ben Elliston <bje@au.ibm.com>
16491 * dfp.c (decimal_real_arithmetic): Change second argument type
16492 from int to enum tree_code. Do not always return true, but now
16493 return result of any call to decimal_do helper functions.
16494 * dfp.h (decimal_real_arithmetic): Update prototype.
16496 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16498 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16500 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16503 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16506 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16508 * tree-vrp.c (cfg_loops): Removed.
16509 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16510 Use current_loops instead of cfg_loops. Pass flags to
16511 loop_optimizer_init.
16512 * cfgloopmanip.c (fix_loop_structure): Update only available
16514 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16515 loop_optimizer_init.
16516 * modulo-sched.c (build_loops_structure): Removed.
16517 (sms_schedule): Use loop_optimizer_init.
16518 * loop-init.c (loop_optimizer_init): Use flags to determine
16519 which properties of loops to prepare.
16520 (rtl_loop_init): Pass flags to loop_optimizer_init.
16521 * tree-ssa-sink.c (execute_sink_code): Ditto.
16522 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16523 * tree-ssa-pre.c (init_pre): Ditto.
16524 * cfgloop.h (LOOPS_NORMAL): New.
16525 (loop_optimizer_init): Declaration changed.
16527 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16529 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16530 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16532 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16534 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16536 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16537 * pa/t-pa64: Delete quadlib.c rule.
16538 * pa/x-ada: Revert last change.
16539 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16541 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16543 PR rtl-optimization/26087
16544 * rtlanal.c (canonicalize_condition): Do not cross basic block
16547 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16550 * config/ia64/ia64.c: Include debug.h.
16551 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16552 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16553 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16554 (process_epilogue, process_set, process_for_unwind_directive):
16555 Output unwind info only if requested. Add CFA info if requested.
16556 Add new arguments as needed. Adjust callers.
16557 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16559 (DWARF2_FRAME_INFO): Define to zero.
16560 * config/ia64/unwind-ia64.c: Remove code that compensated for
16561 the CFA offset error fixed above.
16562 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16563 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16564 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16565 -funwind-tables and -fexceptions to enable frame info.
16566 (dwarf2out_frame_init): Define initial CFA even if
16567 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16568 DWARF2_UNWIND_INFO is nonzero, not just defined.
16569 (dwarf2out_frame_finish): Output non-EH call frame info only
16570 if DWARF2_FRAME_INFO is nonzero.
16571 (convert_cfa_to_loc_list,
16572 compute_frame_pointer_to_cfa_displacement): Define even if
16573 unwind info is not supported.
16574 (gen_subprogram_die): Use the above unconditionally. Remove
16575 legacy alternate code.
16576 * toplev.c (compile_file): Compile in call to
16577 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16578 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16580 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16581 Jakub Jelinek <jakub@redhat.com>
16583 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16584 IBM extended float format long double as "g" on powerpc*-linux.
16586 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16589 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16590 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16592 2006-02-03 Jason Merrill <jason@redhat.com>
16595 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16597 PR middle-end/25977
16598 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16599 on the return slot if it's an NRV.
16601 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16603 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16604 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16605 rewrite_use): Do not handle USE_OUTER.
16606 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16607 add_iv_outer_candidates, may_replace_final_value,
16608 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16609 (find_interesting_uses_op): Functionality of
16610 find_interesting_uses_outer_or_nonlin moved here.
16611 (find_interesting_uses_outside): Use find_interesting_uses_op.
16613 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16616 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16618 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16619 Ulrich Weigand <uweigand@de.ibm.com>
16622 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16623 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16624 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16625 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16627 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16628 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16629 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16630 Define secondary reloads for TFmode moves.
16631 (constant_modes): Add TFmode.
16632 (NR_C_MODES): Set to 8.
16633 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16635 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16636 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16637 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16638 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16639 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16640 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16641 (FPR mode macro): Add TFmode.
16642 (DSF mode macro): New.
16643 (<de>, <dee> mode attributes): Removed.
16644 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16645 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16646 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16647 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16648 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16649 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16650 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16651 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16652 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16653 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16654 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16655 "*negabs<mode>2", "sqrt<mode>2"):
16656 Changed <de> to <xde>. R constraint replaced by <Rf>.
16657 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16659 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16660 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16661 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16663 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16664 "extenddftf2", "extendsftf2"): New expanders.
16665 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16666 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16667 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16668 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16670 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16671 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16672 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16673 __floatditf): Add a GCC_4.1.0 symbol version tag.
16674 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16677 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16680 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16681 Use targetm.binds_local_p instead of TREE_PUBLIC.
16683 2006-02-02 Roger Sayle <roger@eyesopen.com>
16685 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16686 on INTEGER_TYPEs to indicate that it denotes a character type.
16687 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16688 signed_char_type_node, unsigned_char_type_node and char_type_node.
16689 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16690 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16691 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16693 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16694 Daniel Berlin <dberlin@dberlin.org>
16696 * tree-tailcall.c (arg_needs_copy_p): New function.
16697 (eliminate_tail_call): Use arg_needs_copy_p.
16698 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16699 (add_virtual_phis): New function.
16701 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16703 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16704 #ignore instead of #scratch for %g7 .register directive.
16706 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16708 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16711 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16713 * flow.c (calculate_global_regs_live): Assert that there aren't any
16716 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16718 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16719 what its name says.
16720 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16721 bsi_after_labels iterator.
16722 * tree-if-conv.c (find_phi_replacement_condition,
16723 replace_phi_with_cond_modify_expr): Likewise.
16724 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16725 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16727 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16729 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16731 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16734 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16735 array after growing it.
16737 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16739 PR middle-end/24901
16740 * fold-const.c (fold_checksum_tree): Change type of buf.
16742 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16744 * reload.c (push_secondary_reload): Initialize t_icode.
16746 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16748 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16749 -msoft-float -mlong-double-128 only issue a warning, but don't
16750 swich to DFmode long double.
16752 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16754 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16755 has a constant equivalent, iterate over equivalents for arg0,
16756 calling simplify_relational_operation and if there's a result
16757 cheaper than X, apply fold_rtx and return the result.
16759 2006-02-01 Jan Hubicka <jh@suse.cz>
16761 * opts.c (no_unit_at_a_time_default): New global variable.
16762 (decode_options): Use it.
16763 * opts.h (no_unit_at_a_time_default): Declare.
16765 2006-02-01 Paul Brook <paul@codesourcery.com>
16767 * function.c (assign_parm_setup_reg): Use function argument promotion
16769 * expr.c (expand_expr_real_1): Use function argument promotion rules
16772 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16774 * gcc.c (process_command): Change j to 'unsigned int'.
16776 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16778 PR middle-end/26001
16779 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16780 Use the corrected index for the character
16781 out of the string constant.
16783 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16785 * mode-switching.c (optimize_mode_switching): Fix size
16786 allocated for bb_info[n_entities].
16788 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16790 * gcc.c (main): Correct type that is allocated for
16791 explicit_link_files.
16793 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16795 * config/s390/s390.c (init_alignment_context): Set
16796 ALIAS_SET_MEMORY_BARRIER on the MEM.
16797 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16799 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16801 PR middle-end/25933
16802 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16804 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16807 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16809 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16810 * regrename.c: Ditto.
16811 * tree-ssa-loop-im.c: Ditto.
16812 * tree-dump.c: Ditto.
16813 * tree-complex.c: Ditto.
16814 * genrecog.c: Ditto.
16815 * tree-ssa-threadupdate.c: Ditto.
16817 * java/class.c: Ditto.
16818 * java/jcf-parse.c: Ditto.
16819 * java/resource.c: Ditto.
16820 * java/except.c: Ditto.
16821 * java/jvspec.c: Ditto.
16822 * java/jcf-write.c: Ditto.
16823 * java/jcf-path.c: Ditto.
16824 * java/gjavah.c: Ditto.
16825 * java/zextract.c: Ditto.
16826 * java/jcf-io.c: Ditto.
16827 * java/jcf.h: Ditto.
16828 * java/buffer.c: Ditto.
16829 * java/lang.c: Ditto.
16830 * java/parse-scan.y: Ditto.
16831 * java/lex.c: Ditto.
16832 * java/lex.h: Ditto.
16833 * cfgloopmanip.c: Ditto.
16834 * postreload-gcse.c: Ditto.
16835 * tree-ssa-loop-manip.c: Ditto.
16836 * postreload.c: Ditto.
16837 * tree-ssa-loop-ch.c: Ditto.
16840 * cppspec.c: Ditto.
16841 * diagnostic.c: Ditto.
16843 * genoutput.c: Ditto.
16845 * cfghooks.c: Ditto.
16846 * cfgloopanal.c: Ditto.
16847 * objc/objc-act.c: Ditto.
16849 * genextract.c: Ditto.
16850 * genautomata.c: Ditto.
16851 * pretty-print.c: Ditto.
16852 * genemit.c: Ditto.
16853 * cgraphunit.c: Ditto.
16855 * df-scan.c: Ditto.
16856 * haifa-sched.c: Ditto.
16857 * dominance.c: Ditto.
16859 * tree-ssa-loop-ivopts.c: Ditto.
16860 * df-core.c: Ditto.
16861 * mode-switching.c: Ditto.
16862 * modulo-sched.c: Ditto.
16864 * ipa-pure-const.c: Ditto.
16866 * fix-header.c: Ditto.
16868 * tree-stdarg.c: Ditto.
16869 * ipa-utils.c: Ditto.
16870 * loop-init.c: Ditto.
16871 * ipa-inline.c: Ditto.
16872 * cfganal.c: Ditto.
16874 * alloc-pool.c: Ditto.
16875 * dwarf2out.c: Ditto.
16877 * genattrtab.c: Ditto.
16878 * tree-ssa-loop-ivcanon.c: Ditto.
16879 * predict.c: Ditto.
16880 * timevar.c: Ditto.
16882 * fortran/gfortranspec.c: Ditto.
16883 * regmove.c: Ditto.
16884 * local-alloc.c: Ditto.
16885 * langhooks.c: Ditto.
16886 * function.c: Ditto.
16887 * tree-vectorizer.c: Ditto.
16889 * ipa-type-escape.c: Ditto.
16891 * tree-if-conv.c: Ditto.
16892 * profile.c: Ditto.
16894 * tree-data-ref.c: Ditto.
16895 * loop-unroll.c: Ditto.
16896 * treelang/treetree.c: Ditto.
16898 * bt-load.c: Ditto.
16899 * ggc-common.c: Ditto.
16901 * coverage.c: Ditto.
16903 * tree-cfgcleanup.c: Ditto.
16904 * tree-ssa-pre.c: Ditto.
16905 * cfgcleanup.c: Ditto.
16906 * loop-invariant.c: Ditto.
16907 * loop-iv.c: Ditto.
16908 * ipa-prop.c: Ditto.
16909 * print-tree.c: Ditto.
16910 * conflict.c: Ditto.
16911 * ggc-page.c: Ditto.
16912 * sched-deps.c: Ditto.
16913 * regclass.c: Ditto.
16914 * tree-object-size.c: Ditto.
16915 * combine.c: Ditto.
16916 * bb-reorder.c: Ditto.
16917 * resource.c: Ditto.
16918 * var-tracking.c: Ditto.
16919 * cfgloop.c: Ditto.
16920 * df-problems.c: Ditto.
16921 * reg-stack.c: Ditto.
16923 * gccspec.c: Ditto.
16924 * sched-rgn.c: Ditto.
16925 * tree-ssa-structalias.c: Ditto.
16926 * tree-ssa-reassoc.c: Ditto.
16927 * config/darwin-c.c: Ditto.
16928 * config/darwin.c: Ditto.
16929 * config/arm/arm.c: Ditto.
16931 * collect2.c: Ditto.
16932 * reload1.c: Ditto.
16934 2006-01-31 Nicolas Pitre <nico@cam.org>
16936 * arm.md (smaxsi3): Make aware of smax_m1.
16939 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16941 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16943 2006-01-31 Richard Guenther <rguenther@suse.de>
16945 * doc/invoke.texi (-msselibm): Document.
16946 * target.h (expand_library_builtin): New target hook.
16947 * builtins.c (expand_builtin): Use expand_library_builtin.
16948 (default_expand_library_builtin): New function.
16949 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16950 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16951 (link_gcc_math_spec): Declare.
16952 (static_specs): Add link_gcc_math_spec.
16953 * expr.h (default_expand_library_builtin): Declare.
16954 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16955 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16956 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16957 * config/i386/i386.opt (msselibm): New target option.
16958 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16959 (ix86_init_sse_abi_builtins): New function.
16960 (ix86_expand_library_builtin): Likewise.
16961 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16962 (override_options): Handle error conditions wrt -msselibm.
16963 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16964 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16965 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16968 2006-01-31 Richard Guenther <rguenther@suse.de>
16969 Paolo Bonzini <bonzini@gnu.org>
16971 * doc/install.texi (--disable-libgcc-math): Document.
16973 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16975 * expr.h (expand_normal): new inline function.
16976 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16977 * dojump.c: use it.
16978 * dwarf2out.c: use it.
16981 * expmed.c: use it.
16982 * except.c: use it.
16983 * config/sparc/sparc.c: use it.
16984 * config/i386/i386.c: use it.
16985 * config/rs6000/rs6000.c: use it.
16986 * config/arm/arm.c: use it.
16987 * config/mips/mips.c: use it.
16988 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16990 2006-01-30 Roger Sayle <roger@eyesopen.com>
16992 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16993 argv to the appropriate type.
16995 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16997 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
17000 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
17003 * config/s390/s390.c (struct machine_function): New flag
17004 decomposed_literal_pool_addresses_ok_p.
17005 (s390_reorg): Set it before final stage of literal pool transforms.
17006 (s390_decompose_address): Only accept displacements of the form
17007 (minus (label_ref ...) (label_ref ...)) if that flag is set.
17009 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
17011 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
17012 the comparison routine return.
17014 2006-01-30 Michael Matz <matz@suse.de>
17016 * global.c (find_reg): Only evict for global regs.
17017 Take n_refs into account and dump more info.
17019 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
17022 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
17023 (pragma_trap, pragma_nosave_low_regs): Likewise.
17024 (current_function_anonymous_args): Likewise.
17025 (sh_deferred_function_attributes): New variable.
17026 (sh_deferred_function_attributes_tail): Likewise.
17027 (print_operand): For '@', look up trap_exit attribute.
17028 (calc_live_regs): Look up trapa_handler attribute. For trapa
17029 handlers, save/restore fpscr, but don't do any other
17030 interrupt-specific saves.
17031 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
17032 Fix check for partially saved registers to check for SHmedia.
17033 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
17034 (sh_output_function_epilogue): Don't clear any of the removed
17036 (sh_insert_attributes): Don't check pragma_interrupt.
17037 Insert deferred attributes. Check that interrupt attribute is
17038 present for other attributes that require its presence.
17039 (sh_attribute_table): Add new attributes trapa_handler and
17041 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
17042 Don't check for pragma_interrupt. Don't store argument.
17043 * sh.h (pragma_interrupt, sp_switch): Don't declare.
17044 (sh_deferred_function_attributes): Declare.
17045 (sh_deferred_function_attributes_tail): Likewise.
17046 * sh.md (sp_switch_1): Add operand. Change generator caller.
17047 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
17048 (*return_i): Don't use when trap_exit attribute is in effect.
17049 (*return_trapa): New insn pattern.
17050 * sh-c.c: New file.
17051 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
17052 setting c_target_objs and cxx_target_objs.
17053 * t-sh: Add rule for sh-c.o.
17055 2006-01-30 Richard Guenther <rguenther@suse.de>
17058 * gimplify.c (gimplify_target_expr): Handle easy cases
17059 without creating a temporary.
17061 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
17063 * vec.h (safe_grow): Remove duplicated line.
17065 2006-01-29 Diego Novillo <dnovillo@redhat.com>
17068 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
17069 (expand_omp): ... here.
17070 (expand_omp_parallel): Only remove barriers for combined
17071 parallel+workshare constructs.
17073 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
17077 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
17078 * tree.c (build_qualified_type): Chain the new type to the original
17079 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
17080 a POINTER_TYPE or a REFERENCE_TYPE respectively.
17081 (build_pointer_type_for_mode): Only return unqualified types.
17082 (build_reference_type_for_mode): Likewise.
17084 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
17086 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
17087 * Makefile.in (CXX_COMPAT_WARN): Define.
17088 * configure: Regenerate.
17090 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
17093 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
17096 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17098 * toplev.c: Fix thinko.
17100 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17101 Marcin Dalecki <martin@dalecki.de>
17103 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
17104 (push_srcloc): Use XNEW.
17105 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
17107 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
17109 * df-core.c (df_set_blocks): Deleted all variable.
17111 2006-01-28 Ian Lance Taylor <ian@airs.com>
17113 * cgraphunit.c (cgraph_assemble_pending_functions): Call
17114 cgraph_output_pending_asms.
17116 2006-01-28 Zack Weinberg <zackw@panix.com>
17118 * c.opt: Add -W(no-)overlength-strings.
17119 * doc/invoke.texi: Document it.
17120 * c-opts.c (c_common_handle_option): -pedantic implies
17121 -Woverlength-strings, if not explicitly disabled already.
17122 (c_common_post_options): -Woverlength-strings defaults to off, and
17123 is always off for C++.
17124 * c-common.c (fix_string_type): Issue warning about strings longer
17125 than is portable only if warn_overlength_strings. Rearrange code
17126 a little for clarity.
17127 * configure.in: Check for -Wno-overlength-strings as well before
17128 enabling -pedantic in stage 1.
17129 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
17130 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
17132 * genconditions.c (write_header, write_one_condition)
17133 (write_conditions, write_writer): Consolidate very long strings
17134 that were broken up to fit in C89 portable limit. Don't use
17135 printf when fputs will do.
17137 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
17139 * combine.c (simplify_comparison <AND>): Check
17140 TRULY_NOOP_TRUNCATION before start using a subreg.
17142 * config/mips/mips.md (*branch_zero<mode>,
17143 *branch_zero<mode>_inverted, *branch_equality<mode>,
17144 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
17145 Remove mode check from comparisons.
17147 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
17149 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
17151 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17153 * expmed.c (const_mult_add_overflow_p): Remove.
17154 * expr.h: Remove the prototype for const_mult_add_overflow_p.
17156 * recog.c (validate_replace_rtx_subexp): Remove.
17157 * recog.h: Remove the prototype for
17158 validate_replace_rtx_subexp.
17160 * integrate.h: Remove the prototype for
17161 copy_decl_for_inlining.
17162 * rtl.h: Remove the prototype for mark_constant_function.
17163 * tree-vectorizer.h: Remove the prototype for
17164 vect_strip_conversion.
17166 * modulo-sched.c (create_partial_schedule,
17167 free_partial_schedule, reset_partial_schedule): Make them
17170 * hooks.c (hook_bool_rtx_int_false): Remove.
17171 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17173 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17175 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17176 and -mlong-double-128 are incompatible.
17177 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17178 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17179 (TARGET_LIBGCC2_CFLAGS): Define.
17180 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17181 (TARGET_LIBGCC2_CFLAGS): Same.
17182 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17184 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17187 * c-typeck.c (build_binary_op): Perform implicit casts of
17188 operands before shortening them.
17190 * cfgloopmanip.c (split_loop_bb): Remove.
17191 * cfgloop.h: Remove the prototype for split_loop_bb.
17193 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17194 * cfgloop.h: Remove the prototype for
17195 flow_loop_outside_edge_p.
17197 * emit-rtl.c (init_virtual_regs): Make it static.
17198 * function.h: Remove the prototype for init_virtual_regs.
17200 * recog.c (peephole2_optimize): Make it static.
17201 * recog.h: Remove the prototype for peephole2_optimize.
17203 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17205 * df-scan.c (df_record_entry_block_defs): Check if
17206 INCOMING_RETURN_ADDR_RTX is defined.
17208 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17209 Kenneth Zadeck <zadeck@naturalbridge.com>
17211 PR rtl-optimization/24762
17212 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17213 * targhooks.c (hook_void_bitmap): New hook prototype.
17214 * targhoohs.h (hook_void_bitmap): Ditto.
17215 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17216 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17217 * target.h (live_on_entry): New function pointer.
17218 * df-scan.c (df_all_hard_regs): Removed.
17219 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17220 (df_scan_free_internal): Added df->entry_block_defs.
17221 (df_scan_alloc): Ditto.
17222 (df_scan_dump): Ditto.
17223 (df_uses_record): Plumbed flag field properly thru calls.
17224 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17225 This part fixes PR24762.
17226 (df_bb_refs_record): Added code to make the frame and arg
17227 pointers live in EH blocks.
17228 (df_refs_record): Added call to df_record_entry_block_defs.
17229 (df_record_entry_block_defs): New function.
17230 * df-core.c: Added comments to describe new artifical defs.
17231 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17232 (entry_block_defs): New field in struct df.
17233 (df_all_hard_regs): Deleted.
17234 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17235 * df-problems.c (df_ru_bb_local_compute_process_def):
17236 Added code to handle artifical defs in the entry to a function.
17237 (df_ru_bb_local_compute): Ditto.
17238 (df_rd_bb_local_compute_process_def): Ditto.
17239 (df_rd_bb_local_compute): Ditto.
17240 (df_lr_bb_local_compute): Ditto.
17241 (df_ur_bb_local_compute): Ditto.
17242 (df_urec_bb_local_compute): Ditto.
17243 (df_chain_create_bb): Ditto.
17244 (df_ur_local_finalize): Removed entry.
17245 (df_urec_init): Ditto.
17246 (df_urec_local_finalize): Ditto.
17247 (df_ri_bb_compute): Added detection of last use of pseudos.
17248 * Makefile.in (df-scan.o): Updated dependencies.
17249 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17250 * config/mips/mips.c (mips_set_live_on_entry): Added.
17251 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17253 * dce.c (marked_insn_p): Added code to handle artifical defs.
17255 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17257 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17259 (_mm_cvtsi128_si64): Likewise.
17260 (_mm_cvtsd_si64): Likewise.
17261 (_mm_cvttsd_si64): Likewise.
17262 (_mm_cvtsi64_sd): Likewise.
17263 (_mm_cvtsi64_si128): Likewise.
17264 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17265 (_mm_cvtsi64_m64): Likewise.
17266 (_m_to_int64): Likewise.
17267 (_mm_cvtm64_si64): Likewise.
17268 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17269 (_mm_cvttss_si64): Likewise.
17270 (_mm_cvtsi64_ss): Likewise.
17271 (_mm_cvtss_f32): Likewise.
17273 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17275 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17276 for pragma redefine_extname.
17278 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17281 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17282 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17283 -mno-minimal-toc to previous content.
17284 (bispecs): Remove goal.
17285 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17286 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17287 compatibility aliases on powerpc-*-*gnu*.
17288 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17289 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17290 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17291 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17292 (ldblspecs): New goal.
17293 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17294 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17296 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17297 L_sf_to_tf or L_df_to_tf is defined.
17299 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17300 Alan Modra <amodra@bigpond.net.au>
17303 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17304 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17305 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17306 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17307 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17308 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17309 (rs6000_override_options): Initialize rs6000_ieeequad.
17310 Initialize TFmode format to ibm_extended_format if not
17312 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17314 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17315 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17316 (function_arg_advance): IBM long double passed in two FPRs, not
17318 (function_arg): IBM long double passed in FPRs.
17319 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17320 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17321 Only multireg GPR aligned.
17322 (rs6000_init_libfuncs): Enable IBM long double functions if not
17324 (rs6000_generate_compare): Use IBM long double compare if not
17326 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17327 (TARGET_IEEEQUAD): Define.
17328 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17329 not TARGET_IEEEQUAD.
17330 * config/rs6000/rs6000.md: Enable TFmode patterns if
17332 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17333 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17334 and -mlong-double-128 are incompatible.
17335 * doc/invoke.texi (-mabi): Collect options together. Add
17336 ibmlongdouble and ieeelongdouble.
17338 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17340 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17342 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17343 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17344 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17345 * rtl.h (rtunion_def): Remove rt_ptr.
17347 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17348 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17349 * config/i386/winnt.c (i386_pe_mark_dllexport)
17350 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17352 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17354 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17356 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17360 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17361 pthread_key_delete. From John David Anglin. gthrw-ify
17362 pthread_getunique_np only if it it's not a macro. Delete
17364 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17365 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17366 __gthread_objc_condition_signal, __gthread_key_delete): Add
17367 "__attribute__ ((__unused__))" to unused arguments.
17368 (__gthread_recursive_mutex_init_function): Add missing return.
17369 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17370 gthr-posix95.h: Use macro-based approach for name redirection
17371 on targets missing weakref.
17373 2006-01-26 Zack Weinberg <zackw@panix.com>
17375 * genconditions.c (write_header): In generated code, #ifdef out
17376 all includes and fake declarations, except includes of bconfig.h
17377 and system.h, unless GCC_VERSION >= 3001. Do not include
17378 gensupport.h in any case.
17379 (write_conditions): Generate a definition of struct c_test. Add
17380 a comment to the generated #endif.
17381 (write_one_condition): Escape backslashes in string too.
17382 (write_writer): Generated code must escape backslashes and quote
17383 marks (but not newlines) in the strings it writes.
17384 * Makefile.in (build/gencondmd.o): Update dependencies.
17386 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17389 * Makefile.in (insn-automata.o): Add header file dependencies.
17390 * genautomata.c: Add includes.
17392 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17395 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17397 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17399 * configure.ac: Expect target tools paths to be passed from the toplevel
17400 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17402 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17404 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17407 * c.opt (Wpointer-sign): Init to -1.
17408 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17409 OPT_pedantic, to 0 otherwise.
17410 * doc/invoke.texi: Update.
17412 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17414 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17415 constants provided by 80387 instructions in the destination mode.
17417 2006-01-26 Richard Guenther <rguenther@suse.de>
17418 Andrew Pinski <pinskia@physics.uc.edu>
17421 partial PR tree-opt/17064
17422 * tree-ssa-structalias.c (intra_create_variable_infos):
17423 Create heap variables for incoming parameters if
17424 flag_argument_noalias > 1.
17425 (find_what_p_points_to): Look through default defs of
17428 2006-01-26 Jeff Law <law@redhat.com>
17431 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17432 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17433 within the VR_RANGE, use the VR_RANGE as the result, not the
17435 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17436 bounds for the type.
17438 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17440 * tree-ssa-alias.c (maybe_create_global_var): Change
17441 subvar walking to an assertion that we don't have subvar'd variables.
17443 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17446 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17447 Use a new variable, inner. PARM_DECLs are always non-weak.
17449 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17451 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17452 --disable-checking.
17454 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17456 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17458 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17460 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17461 (smax_insn, smin_insn, smax_0, smin_0): New.
17463 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17466 * config/cris/cris.c (cris_order_for_addsi3): New function.
17467 * config/cris/cris-protos.h: Prototype it.
17468 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17469 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17470 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17471 (split for "op.S1 [rx=rx+i],ry (swapped)")
17472 (split for "op(s|u).S1 [rx=rx+i],ry")
17473 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17474 Apply cris_order_for_addsi3 when generating addsi3 insns.
17476 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17478 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17479 (TREE_BLOCK): Add call to EXPR_CHECK.
17481 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17484 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17485 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17486 (dump_omp_clauses): ... here.
17487 (dump_generic_node): Handle OMP_CLAUSE.
17488 * tree.c (omp_clause_num_ops): New.
17489 (omp_clause_code_name): New.
17490 (tree_code_size): Handle OMP_CLAUSE.
17491 (tree_size): Likewise.
17492 (make_node): Document handling of OMP_CLAUSE.
17493 (tree_node_structure): Handle OMP_CLAUSE.
17494 (omp_clause_check_failed): New.
17495 (omp_clause_range_check_failed): New.
17496 (omp_clause_operand_check_failed): New.
17497 (build_omp_clause): New.
17498 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17499 * tree.h (enum omp_clause_code): Declare.
17500 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17501 (OMP_CLAUSE_RANGE_CHECK): Define.
17502 (OMP_CLAUSE_ELT_CHECK): Define.
17503 (omp_clause_check_failed): Declare.
17504 (omp_clause_operand_check_failed): Declare.
17505 (omp_clause_range_check_failed): Declare.
17506 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17507 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17508 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17509 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17510 (OMP_CLAUSE_IF_EXPR): Likewise.
17511 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17512 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17513 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17514 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17515 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17516 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17517 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17518 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17519 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17520 (OMP_CLAUSE_CODE): Define.
17521 (OMP_CLAUSE_SET_CODE): Define.
17522 (OMP_CLAUSE_CODE): Define.
17523 (OMP_CLAUSE_OPERAND): Define.
17524 (struct tree_omp_clause): Declare.
17525 (union tree_node): Add field 'omp_clause'.
17526 * treestruct.def (TS_OMP_CLAUSE): Define.
17527 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17528 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17529 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17530 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17531 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17532 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17533 (OMP_CLAUSE): Define.
17534 * print-tree.c (print_node): Handle OMP_CLAUSE.
17535 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17536 * c-typeck.c: Likewise.
17537 * gimplify.c: Likewise.
17538 * c-omp.c: Likewise.
17539 * tree-nested.c: Likewise.
17540 * tree-inline.c: Likewise.
17541 * c-parser.c: Likewise.
17542 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17545 2006-01-25 Roger Sayle <roger@eyesopen.com>
17547 PR rtl-optimization/25703
17548 * combine.c (try_combine): Handle zero_extract and strict_low_part
17549 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17551 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17553 * global.c: Fix comment typos.
17555 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17558 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17559 Use output_addr_const instead of assemble_name.
17561 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17563 * Makefile.in (sched-vis.o): Update dependencies.
17564 * haifa-sched.c (sched_finish): Clear current_sched_info.
17565 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17566 (dump_flow_info): Call it.
17567 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17569 * basic-block.h (dump_bb_info): Declare.
17570 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17571 option, and apply options only for dump files whose TDF_RTL,
17572 TDF_TREE, or TDF_IPA bits match.
17573 * rtl.h: Declare new functions exported from sched-vis.c.
17574 * sched-vis.c: Enable also if scheduling is not used.
17575 (print_value): Print the mode of registers if not inside scheduling.
17576 (print_insn): Make it work outside the scheduler. Beautify the output
17578 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17580 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17582 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17583 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17584 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17585 depending on the value of CONSTANT_POOL_ADDRESS_P.
17586 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17588 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17589 rather than SYMBOL_REF_DECL.
17590 (rtx_constant_pool): Remove const_rtx_sym_htab.
17591 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17592 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17593 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17594 Remove handling of const_rtx_sym_htab.
17595 (find_pool_constant): Delete.
17596 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17597 rather than find_pool_constant.
17598 (get_pool_constant_for_function): Delete.
17599 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17600 find_pool_constant.
17601 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17602 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17603 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17604 (SYMBOL_REF_CONSTANT): New macro.
17605 (get_pool_constant_for_function): Delete.
17606 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17607 rather than SYMBOL_REF_DECL.
17608 (i386_pe_mark_dllimport): Likewise.
17609 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17610 rather than SYMBOL_REF_DECL.
17611 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17612 (machopic_indirect_call_target): Likewise.
17614 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17616 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17618 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17620 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17622 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17624 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17626 2006-01-24 David Daney <ddaney@avtrex.com>
17629 * configure.ac (enable_tls): New enable option.
17630 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17631 * configure: Regenerate.
17632 * doc/install.texi (--enable-tls): Document new option.
17633 (--disable-tls): Ditto.
17635 2006-01-24 Richard Henderson <rth@redehat.com>
17637 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17638 * alias.c (true_dependence): Respect it.
17639 (canon_true_dependence, write_dependence_p): Likewise.
17640 * builtins.c (get_builtin_sync_mem): Set it.
17642 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17644 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17647 2006-01-24 DJ Delorie <dj@redhat.com>
17649 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17650 for storing constants in single-bit bitfields.
17652 2006-01-25 Ben Elliston <bje@au.ibm.com>
17654 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17656 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17659 * tree-ssa-pre.c (phi_translate): Return NULL
17660 for AGGREGATE_TYPE's.
17662 2006-01-24 Zack Weinberg <zackw@panix.com>
17664 * genautomata.c (process_state_for_insn_equiv_partition):
17665 Use xcalloc for insn_arcs_array.
17666 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17667 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17669 2006-01-24 Richard Henderson <rth@redhat.com>
17671 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17672 update all callers.
17674 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17676 PR rtl-optimization/25890
17677 PR rtl-optimization/25905
17678 * combine.c (expand_compound_operation, expand_field_assignment):
17679 Fail if the bitfield's final position is out of bounds.
17681 2006-01-24 Ian Lance Taylor <ian@airs.com>
17683 PR middle-end/25930
17684 * cgraphunit.c (cgraph_output_in_order): Don't clear
17685 cgraph_asm_nodes until after asm strings have been output.
17687 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17689 * fix-header.c (read_scan_file): Add new parameter imultilib when
17690 calling register_include_chains.
17692 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17694 * omp-low.c: Update documentation.
17696 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17697 Daniel Berlin <dberlin@dberlin.org>
17701 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17702 return from the function.
17704 2006-01-22 Zack Weinberg <zackw@panix.com>
17706 * rtl.def (match_code): Add second argument.
17707 * genpreds.c (write_extract_subexp): New function.
17708 (write_match_code): Add path argument. Use write_extract_subexp.
17709 (write_predicate_expr): Pass path to write_match_code.
17710 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17711 not perform a mode test.
17712 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17713 a subexpression does not constrain the top-level code set.
17714 * read-rtl.c (read_rtx_variadic): New function.
17715 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17716 * doc/md.texi: Document new notation.
17717 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17718 (cmpsi_operand): ... here, using new notation.
17720 2006-01-22 Zack Weinberg <zackw@panix.com>
17722 * varray.c: Remove GENERATOR_FILE #ifdefs.
17724 2006-01-22 Zack Weinberg <zackw@panix.com>
17726 * genautomata.c (output_reserved_units_table): Emit nothing if
17727 description->query_units_num is zero. Remove extra blank line.
17728 (output_cpu_unit_reservation_p): Short circuit
17729 if description->query_units_num is zero.
17731 2006-01-22 Zack Weinberg <zackw@panix.com>
17733 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17734 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17735 nor any of the random handful of variables that used to be necessary
17736 when this program was linked with rtlanal.o. Prune set of forward
17737 function declarations.
17738 (struct attr_desc): Remove static_p field.
17739 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17740 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17741 (attr_string): Do not read the character one past the length of
17743 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17744 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17745 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17746 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17747 (make_automaton_attrs): New.
17748 (main): Do not call into genautomata. Call local gen_bypass
17749 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17750 Remove special case for insn_alts.
17751 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17752 varray.h (leftover from previous change). Prune set of forward
17753 function declarations. Remove state_alts fields from all
17754 structures. Remove state_alts_table from struct automaton.
17755 Make everything except main static. Do not maintain num_dfa_decls.
17756 Do not maintain state_alts fields of various structures.
17757 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17758 (add_arc): Remove state_alts argument. All callers updated.
17759 (output_reserved_units_table): Emit #ifdef here...
17760 (output_tables): ...not here. Don't generate state_alts tables.
17761 (expand_automata): Don't generate attributes.
17762 (write_automata): Don't generate state_alts functions.
17763 (main): New function.
17764 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17765 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17766 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17767 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17768 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17769 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17770 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17771 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17773 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17774 * genattrtab.h: Delete file.
17775 * Makefile.in (OBJS-common): Add insn-automata.o.
17776 (insn-automata.o): New rule.
17777 (simple_generated_c): Add insn-automata.c.
17778 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17779 (genprogmd): Add automata.
17780 (build/genattrtab): Needs no extra objects nor libraries.
17781 (build/genautomata): Needs build/vec.o and -lm.
17783 2006-01-22 Zack Weinberg <zackw@panix.com>
17785 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17786 (output_dfa_max_issue_rate, locked_states_num): Delete.
17787 (struct automaton): Add locked_states field.
17788 (output_dead_lock_vect): Save number of locked states in
17789 automaton->locked_states. If it is zero, don't print anything.
17790 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17791 (output_internal_dead_lock_func): Only test the dead_lock_vect
17792 for automata that have locked states.
17793 (output_statistics): Always print the number of locked states for
17794 each automaton. Calculate total number of locked states here.
17795 (write_automata): Don't call output_dfa_max_issue_rate.
17796 * genattrtab.c: Define length_unit_log as a const variable.
17797 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17798 max_insn_queue_index const.
17799 * final.c (length_unit_log): Declare const.
17800 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17802 2006-01-22 Zack Weinberg <zackw@panix.com>
17804 * genautomata.c: Include vec.h, not varray.h.
17805 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17806 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17807 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17808 VEC_* macros operating on appropriately typed vectors, or to
17809 malloced arrays when the size is known in advance. Const-ify
17810 many char* variables and function arguments. No functional changes.
17811 * Makefile.in (build/varray.o): Delete rule.
17812 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17813 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17815 2006-01-22 Zack Weinberg <zackw@panix.com>
17817 * gensupport.c: Define get_insn_name and record_insn_name here.
17818 (read_md_rtx): Call record_insn_name as appropriate.
17819 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17820 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17821 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17823 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17824 (BUILD_VARRAY): Delete.
17825 (genprognormal): Rename genprogmd. Fold in all programs from
17826 genprognoprint; also attrtab.
17827 (build/genattrtab): Just mention genautomata.o and varray.o.
17828 Reorganize a bit, add comments to make the categories clearer.
17830 2006-01-22 Zack Weinberg <zackw@panix.com>
17832 * genconditions.c (condition_table, add_condition): Delete.
17833 (write_conditions): Don't emit n_insn_conditions nor
17834 insn_elision_unavailable. Issue the gcc version #ifdef here,
17835 inside the table, with no #else clause ...
17836 (write_header): ...not here.
17837 (write_writer): New function.
17838 (main): Don't initialize condition_table. Use add_c_test.
17840 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17841 files on the command line.
17842 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17843 Return -1 if there is no entry in the table, don't abort.
17844 (add_c_test, traverse_c_tests): New functions.
17845 * gensupport.h (insn_elision_unavailable, insn_conditions)
17846 (n_insn_conditions): Delete declarations.
17847 (add_c_test, traverse_c_tests): Declare.
17848 * read-rtl.c: Include gensupport.h.
17849 (read_conditions): New function.
17850 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17851 (read_rtx_1): If we get EOF when we were looking for an initial
17852 open paren, return 0. Call read_conditions when appropriate.
17853 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17854 dummy-conditions.o. Eliminate references to insn-conditions.o,
17855 or change them to build/gencondmd.o, as appropriate. Remove
17856 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17857 from $(simple_generated_c). For all files remaining in those
17858 two lists, add insn-conditions.md to the generator command line.
17859 Give insn-constants.h/s-constants their own rules. Add rules
17860 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17861 (build/read-rtl.o): Depend on gensupport.h.
17862 (genprognormal): Include preds.
17863 (genprogearly): Rename genprognoprint; only difference is now that
17864 they don't link with $(BUILD_PRINT).
17865 * dummy-conditions.c: Delete.
17867 2006-01-22 Zack Weinberg <zackw@panix.com>
17869 * genextract.c: Don't include insn-config.h. Do include vec.h.
17870 Declare vectors of int, char, and locstr.
17871 (locstr): New typedef.
17872 (struct extraction): Make all array fields into bare pointers.
17873 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17874 (insn_code_number): Delete.
17875 (accum_extract): New struct.
17876 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17877 (gen_insn): Take insn_code_number as an argument. Use an
17878 accum_extract structure instead of loading data directly into
17879 a struct extraction, and having to know how big it might get.
17880 (walk_rtx): Operate entirely on an accum_extract structure.
17881 (print_path): Avoid unnecessary use of printf.
17882 (print_header): New function, split out of main. Distinguish
17883 more carefully between an unrecognizable insn and an insn that
17884 has the code number of a define_expand.
17885 (main): Pass insn_code_number to gen_insn. Call print_header
17886 only after parsing. Avoid unnecessary use of printf.
17887 * Makefile.in (build/vec.o): New rule.
17888 (build/genextract): Depend on build/vec.o.
17889 (build/genextract.o): Don't depend on insn-config.h.
17891 2006-01-22 Zack Weinberg <zackw@panix.com>
17893 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17894 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17895 practical. Eliminate per-generator-program link rules.
17897 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17899 PR middle-end/24437
17900 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17901 with a call expr to ...
17902 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17904 2006-01-23 Richard Guenther <rguenther@suse.de>
17906 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17907 before make_edge with conditional EDGE_TRUE_VALUE.
17909 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17910 Jan Hubicka <jh@suse.cz>
17911 Richard Guenther <rguenther@suse.de>
17913 PR rtl-optimization/25654
17914 * cfgexpand.c (aggregate_contains_union_type): New function.
17915 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17916 for structure variables that contain a union type.
17918 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17920 * gengtype.c (new_structure): Return the structure.
17921 (create_option): Add an extra "next" argument.
17922 (create_field): New function.
17923 (adjust_field_rtx_def): Use create_option and create_field.
17924 Remove a now-unnecessary call to find_structure.
17925 (adjust_field_tree_def): Likewise.
17926 (note_yacc_type): Remove an unnecessary call to find_structure.
17927 * gengtype.h (new_structure): Return the structure.
17928 (create_option): Add an extra argument.
17929 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17930 (option): Adjust calls to create_option.
17932 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17934 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17936 2006-01-22 Paul Brook <paul@codesourcery.com>
17937 Peter Barada <peter@the-baradas.com>
17939 * config/m68k/m68k.md: Add Coldfire FPU support.
17940 Define FP mode macro and associated attributes.
17941 Use it for float mode patterns.
17942 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17943 (LIBCALL_VALUE): Use m68k_libcall_value.
17944 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17945 (m68k_function_value): Ditto.
17946 (emit_move_sequence): Ditto.
17947 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17948 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17949 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17950 (MULTILIB_EXCEPTIONS): Ditto.
17951 * config/m68k/m68k.opt: Add mcfv4e.
17952 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17953 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17954 (m68k_output_function_prologue): Save ColdFire FPU registers.
17955 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17956 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17957 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17958 ColdFire FPU registers.
17959 (m68k_libcall_value, m68k_function_value): New functions.
17960 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17961 (LIBCALL_VALUE): Use m68k_libcall_value.
17962 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17963 (MASK_COLDFIRE): Add MASK_CFV4E.
17964 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17965 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17966 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17967 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17968 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17969 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17970 * doc/invoke.tex: Document -mcfv4e on m68k.
17972 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17974 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17977 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17980 * c-opts.c (c_common_handle_option): Don't include
17981 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17982 * doc/invoke.texi (C++ Dialect Options): Document that
17983 -Wnon-virtual-dtor is no longer included in -Wall.
17985 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17987 * gcov.c (print_version), gcov-dump.c (print_version),
17988 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17991 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17993 * df-scan.c (problem_SCAN): Added NULL reset function.
17994 (df_scan_reset_blocks): Added code to call reset block function
17995 (df_bb_refs_delete) Fixed comment.
17996 (df_insn_refs_delete): Made tolerant of deleting non existent info
17997 for dataflow problems that need to be reset.
17998 * df-core.c (df_set_blocks): Ditto.
17999 * df.h (struct df_problem): Added reset_fun.
18000 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
18001 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
18002 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
18003 functions to clear out all references to def-use or use-def chains.
18005 2006-01-21 Ben Elliston <bje@au.ibm.com>
18007 * varasm.c (assemble_real): Initialise data array.
18009 2006-01-20 Paul Brook <paul@codesourcery.com>
18011 Merge from csl-arm-branch.
18012 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
18013 * config/arm/arm.md (movdi): Force operands[1] to a register
18014 if we have a non-register source.
18015 (*arm_movdi, *movdf_soft_insn): Require that one of the
18016 operands be a register.
18017 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
18018 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
18020 2006-01-20 DJ Delorie <dj@redhat.com>
18022 * varasm.c (initializer_constant_valid_p): Allow pointers
18023 initialized from integer constants of lesser precision.
18024 (output_constant): Allow non-int-sized pointer modes to be
18025 initialized from integer constants.
18027 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
18030 * cppdefault.h (struct default_include): Add multilib flag.
18031 * cppdefault.c (cpp_include_defaults): Set it.
18032 * c.opt (-imultilib): New option.
18033 * c-opts.c (imultilib): New.
18034 (c_common_handle_option): Handle -imultilib.
18035 (c_common_post_options): Likewise.
18036 * c-incpath.c (add_standard_paths, register_include_chains):
18038 * c-incpath.h (register_include_chains): Add extra parameter.
18039 * gcc.c (do_spec_1): Generate -imultilib option.
18040 (The Specs Language): Update %I description.
18041 (process_command): Update copyright notice.
18042 * doc/cppopts.texi (-imultilib): Document.
18043 * doc/invoke.texi (-imultilib): Include in option summary.
18044 (%I): Update specs documentation.
18046 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18048 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
18050 2006-01-20 Richard Sandiford <richard@codesourcery.com>
18052 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
18055 2006-01-20 Richard Guenther <rguenther@suse.de>
18056 Steven Bosscher <stevenb.gcc@gmail.com>
18058 PR rtl-optimization/24626
18059 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
18060 EDGE_TRUE_VALUE if in RTL mode.
18063 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
18064 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
18066 2006-01-20 Dirk Mueller <dmueller@suse.com>
18069 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
18070 instead of a special NOP marker.
18071 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
18072 NOP marker handling.
18073 * c-common.h (empty_body_warning): Add forward declaration.
18074 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
18075 Now uses IS_EMPTY_STMT() instead of special NOP markers.
18077 2006-01-20 Paul Brook <paul@codesourcery.com>
18079 * Makefile.in (lang_checks): Keep going if mkdir fails.
18081 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18083 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
18084 be able to clean out basic block when not necessary.
18085 (df_scan_free): Fixed to properly delete information if df is
18086 unused before calling df_finish.
18087 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
18088 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
18090 (df_bb_refs_delete): New function.
18091 (df_refs_delete): Moved per block code to df_bb_refs_delete.
18092 * df-core.c (df_set_blocks): Added code to properly clean out
18093 unused blocks if they are not part of the blocks to consider.
18094 Added additional null check.
18095 (df_compact_blocks): Added basic block parameter to free_bb_fun to
18096 be able to clean out basic block when not necessary
18097 * df.h (df_free_bb_function): Ditto.
18098 (df_bb_refs_delete): New function.
18099 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
18100 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
18101 basic block parameter to be able to clean out basic block when not
18103 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
18104 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
18105 Fixed to properly delete information if df is unused before
18108 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18110 PR rtl-optimization/25799
18111 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
18112 Corrected confluence operator to remove bits from op2 before oring
18113 with op1 rather than removing bits from op1.
18114 (df_ru_transfer_function): Corrected test on wrong bitmap which
18115 caused infinite loop. Both of these problems were introduced in
18116 the dataflow rewrite.
18118 2006-01-19 DJ Delorie <dj@redhat.com>
18120 * reload1.c (find_reload_regs): Note the details of reload
18121 failures in the dump file.
18122 (spill_failure): Likewise.
18124 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18126 * loop-iv.c: Include df.h and hashtab.h.
18127 (enum iv_grd_result): New enum.
18128 (DF_REF_IV, DF_REF_IV_SET): New macros.
18129 (struct biv_entry): New.
18130 (df, bivs): New global variables.
18131 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
18132 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
18134 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
18135 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
18136 analyzed_for_bivness_p, record_biv): New functions.
18137 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
18138 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
18139 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
18141 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
18143 (iv_number_of_iterations): Use new interface to iv analysis.
18144 * loop-unroll.c: Do not include varray.h.
18145 (analyze_iv_to_split_insn): Use new interface to iv
18147 * loop-unswitch.c (may_unswitch_on): Ditto.
18148 * df.c (df_bitmaps_free): Only work for bbs for that structures are
18150 (df_bb_modify): Realloc tables to the new index.
18151 (df_find_use): New function.
18152 * df.h (df_find_use): Declare.
18153 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
18155 * cfgloop.h (struct rtx_iv): Remove analysed field.
18156 (iv_get_reaching_def): Removed.
18157 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
18158 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
18159 (loop-iv.o): Add df.h and hashtab.h dependency.
18160 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
18162 2006-01-20 Alan Modra <amodra@bigpond.net.au>
18165 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
18167 (__floatundisf, __floatundidf): Likewise.
18168 * libgcc2.h (IS_IBM_EXTENDED): Define.
18170 2006-01-19 DJ Delorie <dj@redhat.com>
18172 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18174 2006-01-19 Paul Brook <paul@codesourcery.com>
18176 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18177 as nothrow when unwinding tables are disabled.
18179 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18182 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18183 of bit-field" when in system header.
18185 2006-01-19 DJ Delorie <dj@redhat.com>
18187 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18188 the 16 bit shift limit of the m16c.
18190 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18193 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18194 * config/i386/i386.c (output_set_got): Output the label if we have one
18195 for the TARGET_DEEP_BRANCH_PREDICTION case.
18197 2006-01-19 Jan Hubicka <jh@suse.cz>
18198 H.J. Lu <hongjiu.lu@intel.com>
18199 Evandro Menezes <evandro.menezes@amd.com>
18201 * invoke.texi (generic): Document
18203 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18204 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18205 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18206 (x86_use_incdec, x86_pad_returns): New variables
18207 (TARGET_CPU_DEFAULT_generic): New constant
18208 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18209 (enum processor_type): Add generic32 and generic64.
18210 * i386.md (cpu attribute): Add generic32/generic64
18211 (movhi splitter): Behave sanely when both partial_reg_dependency and
18212 partial_reg_stall are set.
18213 (K8 splitters): Enable for generic as well.
18214 * predicates.md (incdec_operand): Use TARGET_INCDEC
18215 (aligned_operand): Avoid memory mismatch stalls.
18216 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18217 * ppro.md: Enable for generic32
18218 * i386.c (generic64_cost, generic32_cost): New.
18219 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18220 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18221 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18222 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18223 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18224 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18225 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18226 x86_accumulate_outgoing_args, x86_prologue_using_move,
18227 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18228 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18229 Enable for generic.
18230 (x86_use_incdec, x86_pad_returns): New.
18231 (override_options): Add generic32 and generic64, translate "generic"
18232 to generic32/generic64 and "i686" to "generic32", refuse
18233 "generic32"/"generic64" as arch target.
18234 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18235 (ix86_reorg): Honor PAD_RETURNS.
18237 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18239 * tree-pretty-print.c (dump_generic_node): Handle
18240 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18241 * cgraph.c (cgraph_expand_queue): Rename from
18242 cgraph_analyze_queue. Update all users.
18243 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18244 cgraph_expand_queue.
18245 (cgraph_expand_all_functions): Likewise.
18246 (cgraph_finalize_pending_functions): Remove. Update callers.
18248 * tree.h (OMP_DIRECTIVE_P): Define.
18249 (OMP_PARALLEL_FN): Define.
18250 (OMP_PARALLEL_DATA_ARG): Define.
18251 (OMP_SECTIONS_SECTIONS): Define.
18252 * tree-pass.h (pass_expand_omp): Declare.
18253 * omp-low.c (struct omp_region): Declare.
18254 (struct omp_context): Remove fields 'parallel_type',
18255 'parallel_start_ix' and 'parallel_start_additional_args'.
18257 (struct omp_for_data): Rename from struct expand_omp_for_data.
18258 (omp_regions): New static variable.
18259 (root_omp_region): New static variable.
18260 (find_omp_clause): Make static.
18261 (is_in_combined_parallel_ctx): Remove.
18262 (is_combined_parallel): New.
18263 (extract_omp_for_data): Move earlier in the file.
18264 (workshare_safe_to_combine_p): New.
18265 (get_ws_args_for): New.
18266 (determine_parallel_type): Move earlier in the file.
18267 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18269 (omp_copy_decl): Likewise.
18270 (create_omp_child_function): Likewise.
18271 (lookup_omp_region): New.
18272 (dump_omp_region): New.
18273 (debug_omp_region): New.
18274 (debug_all_omp_regions): New.
18275 (new_omp_region): New.
18276 (scan_omp_parallel): If parallel_nesting_level > 1, the
18277 directive is nested within another parallel directive.
18278 Set OMP_PARALLEL_FN.
18279 (scan_omp_for): Do not try to handle combined parallel+for
18281 Remove FIXME comment.
18282 (scan_omp_nested): Remove.
18283 (scan_omp_1): Do not call scan_omp_nested when
18284 parallel_nesting_level is > 1.
18285 Do not change the DECL_CONTEXT of local variables found.
18286 (lookup_decl_in_outer_ctx): New.
18287 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18288 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18289 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18290 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18291 If CTX is nested, lookup VAR in the outer context when
18292 building copy assignment.
18293 (lower_send_clauses): Rename from expand_send_clauses.
18294 If CTX is nested, lookup VAR in the outer context when
18295 building copy assignments.
18296 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18297 If CTX is nested, lookup VAR in the outer context when
18298 building copy assignments.
18299 (expand_parallel_call): Rename from build_parallel_call.
18300 Handle combined parallel+workshare cases.
18301 Re-implement to emit code into the CFG.
18303 (expand_omp_parallel): Re-implement to emit code into the CFG.
18304 Call move_sese_region_to_fn to outline the sub-graph
18305 containing the parallel region.
18306 (expand_omp_for_1): Remove.
18307 (expand_omp_for_generic): Re-implement to emit code into the
18309 (expand_omp_for_static_nochunk): Likewise.
18310 (expand_omp_for_static_chunk): Likewise.
18311 (expand_omp_for): Likewise.
18312 (expand_omp_sections): Likewise.
18313 (remove_exit_barriers): New.
18314 (expand_omp_synch): New.
18316 (build_omp_regions_1): New.
18317 (build_omp_regions): New.
18318 (execute_expand_omp): New.
18319 (gate_expand_omp): New.
18320 (pass_expand_omp): Define.
18321 (lower_omp_sections): Rename from expand_omp_sections.
18322 Set OMP_SECTIONS_SECTIONS.
18323 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18324 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18325 (lower_omp_single): Rename from expand_omp_simple.
18326 (lower_omp_master): Rename from expand_omp_master.
18327 (lower_omp_ordered): Rename from expand_omp_ordered.
18328 (lower_omp_critical): Rename from expand_omp_critical.
18329 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18330 (lower_omp_for): Re-implement.
18331 (lower_omp_parallel): Re-implement.
18332 (lower_regimplify): Rename from expand_regimplify.
18333 (lower_omp_1): Rename from expand_omp_1.
18334 If there are syntax errors in the program, replace every
18335 OpenMP directive with NOP.
18336 Call lower_omp_* instead of expand_omp_*.
18337 (lower_omp): Rename from expand_omp.
18339 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18340 * tree-gimple.h (enum omp_parallel_type): Remove.
18341 (gimple_boolify): Declare extern.
18342 (find_omp_clause, determine_parallel_type): Remove.
18344 * gimple-low.c (lower_omp_directive): New.
18345 (lower_stmt): Call it.
18346 (record_vars_into): Move from ...
18347 (record_vars): ... here.
18348 Call record_vars_into with current_function_decl.
18350 * gimplify.c (struct gimplify_ctx): Remove fields
18351 combined_pre_p and combined_ctxp. Update users.
18352 (get_formal_tmp_var): Add documentation.
18353 (gimple_boolify): Make extern.
18354 (gimplify_expr_in_ctx): Remove. Update callers.
18355 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18356 will always be a BIND_EXPR.
18357 (gimplify_expr): Handle OMP_RETURN_EXPR.
18358 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18359 (OMP_PARALLEL): Add 3 operands.
18360 (OMP_SECTIONS): Add 1 operand.
18361 (OMP_RETURN_EXPR): Define.
18363 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18364 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18365 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18366 creating a circular free list.
18367 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18369 * tree-flow.h (move_sese_region_to_fn): Declare.
18370 (record_vars_into): Declare.
18371 * tree-cfg.c (make_omp_sections_edges): New.
18372 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18373 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18374 OMP_SECTIONS and OMP_SECTION.
18375 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18376 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18377 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18378 (gather_blocks_in_sese_region): New.
18379 (struct move_stmt_d): Declare.
18380 (move_stmt_r): New.
18381 (move_block_to_fn): New.
18382 (move_sese_region_to_fn): New.
18384 * passes.c (init_optimization_passes): Schedule
18385 pass_expand_omp after pass_init_datastructures.
18387 * tree-ssa-operands.c (get_expr_operands): Handle
18388 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18389 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18391 2006-01-19 Jeff Law <law@redhat.com>
18393 * tree-vrp.c (extract_range_from_assert): Refine the result range
18394 if the variable referenced by the ASSERT_EXPR has a range and
18395 either the tentative result range or the previous range is a
18398 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18400 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18402 2006-01-19 Jan Hubicka <jh@suse.cz>
18404 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18406 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18408 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18409 (expand_compound_operation, expand_field_assignment): Fail if the
18410 bit lengths of an extract operation are out of range.
18411 (make_extraction): Compute wanted_inner_mode based on the position
18412 and length of the extraction. Make it extraction_mode for non-constant
18413 positions, and do not modify offset in that case. When generating a
18414 new MEM, use a mode that can hold the extraction while keeping correct
18415 alignment. Remove code that supported MEMs wrapped by USEs.
18416 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18418 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18420 * config/s390/s390.md ("Y", "y"): New mode attribute.
18421 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18422 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18423 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18424 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18425 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18426 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18427 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18428 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18429 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18430 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18431 "addsi3", "subsi3"): Insn patterns removed.
18432 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18433 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18434 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18435 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18436 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18437 "*sub<mode>3_cconly2"): New insn patterns.
18438 ("addsi3", "subsi3"): New expanders.
18440 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18442 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18443 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18444 existing STMT_VINFO_VECTYPE if available.
18445 (vect_mark_relevant): Add special handling for stmts that are
18446 marked as STMT_VINFO_IN_PATTERN_P.
18447 (vect_analyze_loop): Call vect_pattern_recog.
18448 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18449 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18451 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18452 (vect_recog_func_ptr): New function-pointer type.
18453 * tree-vect-patterns.c: New file.
18454 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18455 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18456 (vect_pattern_recog_1): New functions.
18457 (vect_pattern_recog_funcs): New array of function pointers.
18459 * tree-vectorizer.h (ternary_op): New enum value.
18460 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18461 declaration. Revised documentation. Removed redundant dump prints.
18462 Removed redundant argument. Added support for reduction patterns.
18463 (vectorizable_reduction): Added support for reduction patterns.
18464 (vect_transform_stmt): Added support for patterns.
18466 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18467 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18468 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18469 (expand_widen_pattern_expr): New function.
18470 (init_optabs): Initialize new optabs udot_prod_optab,
18472 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18473 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18474 (expand_widen_pattern_expr): New function declaration.
18475 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18477 * tree-inline.c (estimate_num_insns_1): Added cases for new
18478 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18479 * tree-pretty-print.c (dump_generic_node): Likewise.
18480 (op_prio): Likewise.
18481 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18482 * tree-ssa-operands.c (get_expr_operands): Added case for
18484 * tree-vect-patterns.c (widened_name_p): New function.
18485 (vect_recog_dot_prod_pattern): Added function implementation.
18486 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18487 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18488 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18489 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18491 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18492 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18493 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18494 (init_optabs): Initialize new optabs widen_ssum_optab,
18496 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18497 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18498 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18499 use instead of type of def.
18500 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18501 function implementation.
18502 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18503 widen_ssumv8hi): New.
18505 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18508 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18511 * c-decl.c (add_flexible_array_elts_to_size): New function.
18512 (finish_decl): Use it.
18514 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18516 * diagnostic.h: Include options.h.
18517 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18518 dependancies for diagnostic.h.
18519 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18521 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18523 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18524 (ssa_ro_call_cache_valid): Ditto.
18525 * tree-ssa-alias.c (sort_tags_by_id): New function.
18526 (init_transitive_clobber_worklist): Ditto.
18527 (add_to_worklist): Ditto.
18528 (mark_aliases_call_clobbered): Ditto.
18529 (compute_tag_properties): Ditto.
18530 (set_initial_properties): Ditto.
18531 (compute_call_clobbered): Ditto.
18532 (compute_may_aliases): Call compute_call_clobbered and grouping.
18533 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18534 (compute_flow_insensitive_aliasing): Grouping now happens in our
18536 (setup_pointers_and_addressables): Remove clobbering related code.
18537 (add_may_alias): Ditto.
18538 (replace_may_alias): Ditto.
18539 (get_nmt_for): Ditto.
18540 (create_global_var):
18541 (is_escape_site): Return an escape_type enumeration.
18542 * tree-flow-inline.h (is_call_clobbered): Global var does not
18543 imply call clobbered.
18544 (mark_call_clobbered): Take a reason for marking this. Remove
18545 marking of globalness, and cache invalidation.
18546 (clear_call_clobbered): Remove cache invalidation code.
18547 * tree-dfa.c (dump_variable): If details is on, dump the reason
18549 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18551 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18552 (struct var_ann_d): Ditto.
18553 (enum escape_type): New.
18554 (mark_call_clobbered): Adjust prototype.
18555 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18556 are never call clobbered.
18557 Record reasons for escaping.
18558 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18559 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18560 (ssa_ro_call_cache_valid): Ditto.
18561 (clobbered_v_may_defs): Ditto.
18562 (clobbered_vuses): Ditto.
18563 (ro_call_vuses): Ditto.
18564 (clobber_stats): New.
18565 (init_ssa_operands): Zero out clobber stats.
18566 (fini_ssa_operands): Print out clobber stats.
18567 (get_call_expr_operands): Pass callee fndecl to
18568 add_call_read_ops).
18569 (add_call_clobber_ops): Remove use of cache.
18570 Add use of PURE_CONST information.
18571 (add_call_read_ops): Remove use of cache.
18572 Add use of static not_read information.
18574 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18576 Introduce TLS descriptors for i386 and x86_64.
18577 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18578 (TARGET_ANY_GNU_TLS): New macro.
18579 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18580 (struct machine_function): Add tls_descriptor_call_expanded_p.
18581 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18582 (ix86_current_function_calls_tls_descriptor): Likewise.
18583 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18584 (override_options): Introduce gnu2 tls dialect.
18585 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18587 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18589 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18590 (ix86_init_machine_status): Initialize new field.
18591 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18592 (ix86_tls_module_base): New.
18593 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18594 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18595 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18596 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18597 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18598 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18599 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18600 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18601 * config/i386/predicates.md (tls_modbase_operand): New.
18602 (tp_or_register_operand): New.
18604 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18606 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18607 (look_for_address_of): Ditto.
18608 (ipa_init): Walk the function decls.
18609 (static_execute): Don't set readonly on FUNCTION_DECL's.
18611 2006-01-18 Roger Sayle <roger@eyesopen.com>
18613 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18614 for shifts where the source and destination registers are different.
18616 2006-01-18 Paul Brook <paul@codesourcery.com>
18618 Merge from csl-arm-branch.
18619 2005-03-14 Julian Brown <julian@codesourcery.com>
18620 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18621 (aeabi_llsl): Likewise.
18622 (ashrdi3): Likewise.
18623 (aeabi_lasr): Likewise.
18624 (lshrdi3): Likewise.
18625 (aeabi_llsr): Likewise.
18626 2005-03-10 Julian Brown <julian@codesourcery.com>
18627 * config.gcc: Disable shared libgcc for SymbianOS.
18628 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18630 2006-01-18 DJ Delorie <dj@redhat.com>
18632 * c-pragma.c (handle_pragma_diagnostic): New.
18633 (init_pragma): Register it.
18634 * doc/extend.texi: Document it.
18636 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18637 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18638 (diagnostic_context): Add classify_diagnostic[].
18639 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18640 as errors if they're overridden to DK_WARNING.
18641 (diagnostic_initialize): Initialize classify_diagnostic[].
18642 (diagnostic_set_kind_override): New.
18643 (diagnostic_report_diagnostic): Check for kind changes.
18644 * opts.c (common_handle_option): Take lang_mask. Update callers.
18645 Handle OPT_Werror_.
18646 * common.opt (Werror=): New.
18647 * doc/invoke.texi: Document -Werror=*
18649 2006-01-18 Jeff Law <law@redhat.com>
18651 * tree-vrp.c (test_for_singularity): Correct test for new
18652 min limit. Use operand_equal_p rather than pointer equality
18653 for testing if new min/max values are equal.
18655 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18656 using range information until after propagation and folding.
18658 2006-01-18 Richard Henderson <rth@redhat.com>
18659 Aldy Hernandez <aldyh@redhat.com>
18660 Jakub Jelinek <jakub@redhat.com>
18661 Diego Novillo <dnovillo@redhat.com>
18663 * omp-low.c: New file.
18664 * c-omp.c: New file.
18666 2006-01-18 Richard Henderson <rth@redhat.com>
18667 Jakub Jelinek <jakub@redhat.com>
18668 Diego Novillo <dnovillo@redhat.com>
18670 * doc/invoke.texi: Document -fopenmp.
18671 * tree-dump.h (debug_function): Declare.
18672 * hooks.c (hook_bool_tree_bool_false): New function.
18673 (hook_tree_tree_null): Remove.
18674 (hook_tree_tree_tree_null): New.
18675 * hooks.h: Update to match.
18676 * tree-pretty-print.c (debug_tree_chain): New.
18677 (print_generic_expr): Handle TDF_CHAIN.
18678 (dump_generic_node): Handle BLOCK.
18679 Do not abort with incomplete SWITCH_EXPRs.
18680 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18681 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18682 print space after directive name.
18683 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18684 Handle OMP_MASTER and OMP_ORDERED.
18685 Handle printing of OMP_BODY just in one place, goto
18686 dump_omp_body in the rest of OMP_* nodes that have
18688 Don't handle clause nodes here. Update omp statements to
18689 use dump_omp_clauses.
18690 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18691 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18692 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18693 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18694 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18695 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18696 Adjust output for GOMP_PARALLEL.
18697 (dump_omp_clauses): New.
18698 (print_declaration): Dump DECL_VALUE_EXPR.
18699 (op_symbol_1): Split out of op_symbol.
18700 (dumping_stmts): Remove. Update all users.
18701 * cgraph.c (cgraph_analyze_queue): New.
18702 (cgraph_add_new_function): New.
18703 * cgraph.h (cgraph_analyze_queue): Declare.
18704 (cgraph_add_new_function): Declare.
18705 (cgraph_lower_function): Remove.
18706 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18707 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18708 and TYPE_P nodes in its default clause.
18709 (empty_body_p): New.
18710 (tree_range_check_failed): New.
18711 (build5_stat): New.
18712 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18713 OMP_CLAUSE_REDUCTION_MERGE,
18714 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18715 OMP_CLAUSE_PRIVATE_DEBUG,
18716 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18717 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18718 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18719 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18720 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18721 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18722 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18723 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18724 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18725 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18726 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18727 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18728 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18729 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18730 (TREE_RANGE_CHECK): New.
18731 (empty_body_p): Declare.
18732 (enum omp_clause_default_kind): New.
18733 (build_string_literal): Declare.
18734 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18735 (build5_stat, build5): Declare.
18736 * tree-pass.h (TDF_CHAIN): Define.
18737 * tree-pass.h (PROP_gimple_lomp): Define.
18738 (pass_lower_omp): Declare.
18739 * diagnostic.h (debug_tree_chain): Declare.
18740 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18742 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18743 * builtins.c (build_string_literal): Make extern.
18744 * gcc.c (include_spec_function): New.
18745 (static_spec_functions): Add it.
18746 (main): Move load of libgomp.spec ...
18747 (LINK_COMMAND_SPEC): ... here.
18748 (link_gomp_spec): New.
18749 (static_specs): Include it.
18750 (LINK_COMMAND_SPEC): Add link_gomp.
18751 (GOMP_SELF_SPECS): New.
18752 (driver_self_specs): Include it.
18753 (switch_matches): Don't mark inline.
18754 (main): Load libgomp.spec.
18755 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18756 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18757 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18758 * tree-gimple.h (enum omp_parallel): Declare.
18759 (determine_parallel_type): Declare.
18760 (omp_firstprivatize_variable): Declare.
18761 (omp_reduction_init): Declare.
18762 (diagnose_omp_structured_block_errors): Declare.
18763 (struct walk_stmt_info): Add want_return_expr.
18764 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18765 (find_omp_clause): Declare.
18766 (insert_field_into_struct): Declare.
18767 (struct walk_stmt_info): Move from tree-nested.c
18768 (walk_stmts): Declare.
18769 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18771 * cgraphunit.c (cgraph_lower_function): Make static.
18772 (cgraph_finalize_pending_functions): New.
18773 (cgraph_finalize_function): Call it.
18774 (cgraph_finalize_compilation_unit): Likewise.
18775 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18776 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18777 (BT_FN_UINT_UINT): New.
18778 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18779 DEF_FUNCTION_TYPE_VAR_4): Document.
18780 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18781 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18782 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18783 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18784 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18785 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18786 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18787 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18788 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18789 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18790 into separate files.
18791 (DEF_GOMP_BUILTIN): New.
18792 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18793 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18794 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18795 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18796 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18797 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18798 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18799 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18800 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18801 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18802 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18803 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18804 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18805 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18806 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18807 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18808 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18809 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18810 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18811 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18812 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18813 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18814 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18815 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18816 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18817 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18818 * sync-builtins.def: New file, moved from builtins.def.
18819 * omp-builtins.def: New file, moved from builtins.def.
18820 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18821 * gimple-low.c (lower_function_body): Clear data.
18822 (lower_stmt): Do not handle COMPOUND_EXPR.
18823 Remove call to print_node_brief.
18824 * c-tree.h (c_finish_omp_clauses): New prototype.
18825 (C_DECL_THREADPRIVATE_P): Define.
18826 (lookup_name_no_remap, c_omp_remap_private): Remove
18827 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18828 (check_for_loop_decls): Update decl.
18829 (lookup_name_no_remap, c_omp_remap_private): Declare.
18830 (build_indirect_ref, build_modify_expr, pushdecl,
18831 pushdecl_top_level): Move to c-common.h.
18832 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18833 before the switch, but just in the 2 places that need it.
18834 * c-decl.c (diagnose_mismatched_decls): Do not check for
18835 mismatched thread-local attributes when OLDDECL is marked
18836 threadprivate and NEWDECL has no thread-local attributes.
18837 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18838 (c_gimple_diagnostics_recursively): Rename from
18839 c_warn_unused_result_recursively. Invoke
18840 diagnose_omp_structured_block_errors.
18841 (check_for_loop_decls): Return a singular decl found.
18842 * langhooks.c (lhd_omp_predetermined_sharing): Return
18843 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18844 (lhd_omp_firstprivatize_type_sizes): New.
18845 (lhd_omp_assignment): New.
18846 (lhd_omp_predetermined_sharing): New.
18847 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18848 (struct lang_hooks_for_types): Add
18849 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18850 omp_predetermined_sharing, omp_disregard_value_expr,
18851 omp_private_debug_clause, omp_clause_default_ctor,
18852 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18853 (c_finish_omp_clauses): New.
18854 (c_finish_bc_stmt): Diagnose break within omp for.
18855 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18856 (build_unary_op): Return error_mark after reporting
18858 (build_modify_expr): Likewise.
18859 * gimplify.c: Include optabs.h and pointer-set.h.
18860 (enum gimplify_omp_var_data): Declare.
18861 (struct gimplify_omp_ctx): Declare.
18862 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18864 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18865 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18866 (splay_tree_compare_decl_uid): New.
18867 (new_omp_context): New.
18868 (delete_omp_context): New.
18869 (gimple_add_tmp_var): Call omp_add_variable.
18870 (gimplify_bind_expr): Likewise.
18871 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18872 true, disregard DECL_VALUE_EXPR on the decl if any.
18873 (gimplify_expr_in_ctx): New.
18874 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18875 omp_add_variable, omp_notice_variable, omp_is_private
18876 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18877 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18878 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18879 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18880 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18881 gimplify_omp_atomic): New.
18882 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18883 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18884 OMP_CRITICAL and OMP_ATOMIC.
18885 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18886 * c-pragma.h (enum pragma_kind): Add
18887 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18888 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18889 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18890 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18891 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18892 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18893 PRAGMA_OMP_THREADPRIVATE.
18894 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18895 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18896 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18897 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18898 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18899 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18900 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18901 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18902 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18903 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18904 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18905 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18906 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18908 (struct nesting_info): Add field_map,
18909 suppress_expansion, debug_var_chain.
18910 (create_nesting_tree): Initialize them.
18911 (lookup_field_for_decl): Use field_map.
18912 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18913 (convert_local_omp_clauses): New.
18914 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18915 (walk_body): Split out of walk_function.
18916 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18917 (convert_nonlocal_reference): Handle omp statements.
18918 (convert_local_reference): Likewise.
18919 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18920 (unnest_nesting_tree): New.
18921 (lower_nested_functions): Call it.
18922 (insert_field_into_struct): Make extern.
18923 (struct walk_stmt_info): Move to tree-gimple.h.
18924 (walk_stmts): Make extern.
18925 * omp-builtins.def: New file.
18926 * tree-iterator.c (expr_only): Clarify comment.
18927 * c-common.h (pushdecl_top_level, pushdecl,
18928 build_modify_expr, build_indirect_ref,
18929 c_finish_omp_master, c_finish_omp_critical,
18930 c_finish_omp_ordered, c_finish_omp_barrier,
18931 c_finish_omp_atomic, c_finish_omp_flush,
18932 c_finish_omp_for, c_split_parallel_clauses,
18933 omp_clause_default_kind, c_omp_sharing_predetermined,
18934 c_omp_remap_decl): Declare.
18935 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18936 (OBJS-common): Add omp-low.o.
18937 (c-omp.o, omp-low.o): Add.
18938 (gimplify.o): Add dependency on $(OPTABS_H).
18939 (GTFILES): Add omp-low.c.
18940 (gt-stringpool.h): Add.
18941 * tree-cfg.c (set_bb_for_stmt): Do not update the
18942 block-to-labels map if we are currently expanding to RTL.
18943 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18945 Handle IDENTIFIER_NODE.
18946 (tree_verify_flow_info): Do not ICE when emitting error
18947 messages about invalid labels.
18948 (dump_function_to_file): Reset CFUN before emitting the body
18950 (debug_function): New.
18951 * passes.c (init_optimization_passes): Schedule
18953 * langhooks-def.h (lhd_omp_predetermined_sharing,
18954 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18956 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18957 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18958 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18959 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18960 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18961 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18962 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18963 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18964 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18965 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18966 (LANG_HOOK_DECLS): Use them.
18968 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18969 Richard Henderson <rth@redhat.com>
18970 Jakub Jelinek <jakub@redhat.com>
18971 Diego Novillo <dnovillo@redhat.com>
18973 * c-parser.c (pragma_omp_clause): Define.
18974 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18975 (c_parser_compound_statement): Likewise.
18976 (c_parser_statement): Likewise.
18977 (c_parser_pragma): Handle omp pragmas.
18978 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18979 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18980 (c_parser_omp_clause_name, check_no_duplicate_clause,
18981 c_parser_omp_variable_list,
18982 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18983 c_parser_omp_clause_copyprivate,
18984 c_parser_omp_clause_default,
18985 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18986 c_parser_omp_clause_lastprivate,
18987 c_parser_omp_clause_nowait,
18988 c_parser_omp_clause_num_threads,
18989 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18990 c_parser_omp_clause_reduction,
18991 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18992 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18993 c_parser_omp_atomic, c_parser_omp_barrier,
18994 c_parser_omp_critical, c_parser_omp_flush,
18995 c_parser_omp_for_loop, c_parser_omp_for,
18996 c_parser_omp_master, c_parser_omp_ordered,
18997 c_parser_omp_sections_scope, c_parser_omp_sections,
18998 c_parser_omp_parallel, c_parser_omp_single,
18999 c_parser_omp_construct, c_parser_omp_threadprivate): New.
19000 * c-pragma.c (init_pragma): Do omp pragma registration here.
19001 * c.opt (fopenmp): New flag.
19003 2006-01-18 Eric Christopher <echristo@apple.com>
19005 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
19006 * config/darwin.h (GOMP_SELF_SPECS): Define.
19008 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19010 * rtl.h: Remove the prototype for reg_alloc.
19012 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19015 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
19016 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
19017 sjlj and dwarf2 exception handling.
19018 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
19019 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
19020 * pa/pa.c (function_value): Treat complex and vector types as
19022 (function_arg): Likewise. Only pass scalar floats in the floating
19023 point argument registers.
19024 * pa/t-slibgcc-dwarf-ver: New file.
19025 * pa/t-slibgcc-sjlj-ver: New file.
19026 * pa/t-slibgcc-elf-ver: Delete file.
19028 2006-01-19 Alan Modra <amodra@bigpond.net.au>
19030 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
19031 unlikely_test_section_p test.
19033 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19035 * mode-switching.c (optimize_mode_switching): Make it static.
19036 * basic-block.h: Remove the prototype for
19037 optimize_mode_switching.
19039 * modulo-sched.c (sms_schedule): Make it static.
19040 * rtl.h: Remove the prototype for sms_schedule.
19042 * postreload-gcse.c (gcse_after_reload_main): Make it static.
19043 * rtl.h: Remove the prototype for gcse_after_reload_main.
19045 * reg-stack.c (reg_to_stack): Make it static.
19046 * rtl.h: Remove the prototype for reg_to_stack.
19048 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
19050 * rtl.h: Remove the prototypes for regrename_optimize and
19051 copyprop_hardreg_forward.
19053 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
19055 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
19056 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
19057 Test against the appropriate null constant for the mode.
19058 If 'fixup_overlap' is true, swap the operands if they overlap.
19059 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
19060 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
19061 alpha_split_tmode_pair and adjust for above change.
19062 * config/alpha/alpha.md (movtf_internal): Adjust call to
19063 alpha_split_tfmode_pair and rely on it to swap the operands.
19064 (movti_internal): New insn and post-reload splitter.
19065 (movti): New expander.
19067 2006-01-18 Philippe De Muyter <phdm@macqel.be>
19069 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
19072 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19074 * rtlanal.c (global_reg_mentioned_p_1,
19075 global_reg_mentioned_p): Remove.
19076 * rtl.h: Remove the prototype for global_reg_mentioned_p.
19078 * flow.c (initialize_uninitialized_subregs): Make it static.
19079 * rtl.h: Remove the prototype for
19080 initialize_uninitialized_subregs.
19082 * function.c (instantiate_virtual_regs): Make it static.
19083 * function.h: Remove the prototype for
19084 instantiate_virtual_regs.
19086 * regmove.c (regmove_optimize, combine_stack_adjustments):
19088 * rtl.h: Remove the prototypes for regmove_optimize and
19089 combine_stack_adjustments.
19091 2006-01-17 Roger Sayle <roger@eyesopen.com>
19093 * config/i386/i386.c (COSTS_N_BYTES): New macro.
19094 (size_cost): Encode costs in bytes so that a reg-reg addition is
19095 equivalent to COSTS_N_INSNS(1).
19096 (override_options): Use the size_cost.branch_cost as the default
19097 ix86_branch_cost when optimizing for size.
19099 2006-01-18 Ben Elliston <bje@au.ibm.com>
19101 * Makefile.in (D32PBIT_FUNCS): New.
19102 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
19103 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
19104 D64PBIT_FUNCS and D128PBIT_FUNCS.
19105 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
19106 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
19108 (decnumber_dep): Define.
19109 * doc/libgcc.texi (Decimal float library routines): New node.
19110 * config/dfp-bit.h, config/dfp-bit.c: New files.
19112 2006-01-18 Ben Elliston <bje@au.ibm.com>
19114 * expr.c (emit_move_change_mode): Always adjust addresses, not
19115 just during reload. Copy replacements only during reload.
19116 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
19117 emit_move_via_integer.
19119 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
19121 * Makefile.in (check-%, check-consistency): Use $${srcdir}
19122 instead of $(srcdir) and ${srcdir}.
19124 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
19127 PR middle-end/11135
19128 * arm.h (struct machine_function): Add pic_reg.
19129 * arm.c (arm_pic_register): Make unsigned.
19130 (arm_override_options): Only set arm_pic_register if
19131 TARGET_SINGLE_PIC_BASE.
19132 (use_return_insn): Only test for a pic register if it is fixed.
19133 (arm_compute_save_reg0_reg12_mask): Likewise.
19134 (thumb_compute_save_reg_mask): Likewise.
19135 (legitimate_pic_operand): Factor out some known invariants.
19136 (legitimize_pic_address): If we don't have a fixed pic register,
19137 then set up a pseudo in the function entry sequence. Handle the
19138 pic base being in a pseudo.
19139 (arm_load_pic_register): Handle the pic register being in a pseudo.
19140 (arm_expand_prologue): Only set up the pic register if it is fixed.
19141 (thumb_expand_prologue): Likewise.
19142 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
19143 (pic_load_addr_based_insn): Likewise.
19144 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
19147 2006-01-18 Ben Elliston <bje@au.ibm.com>
19149 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
19150 decimal float modes for all floating point registers.
19152 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
19153 match_code "mem" with match_test "macho_lo_sum_memory_operand".
19155 2006-01-17 Jakub Jelinek <jakub@redhat.com>
19158 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
19159 even when the pointer is not NULL.
19161 2006-01-16 Ian Lance Taylor <ian@airs.com>
19163 * common.opt (ftoplevel-reorder): New option.
19164 * cgraph.c (cgraph_asm_nodes): New global variable.
19165 (cgraph_asm_last_node): New static variable.
19166 (cgraph_order): New global variable.
19167 (cgraph_create_node): Set new order field.
19168 (cgraph_varpool_node): Likewise.
19169 (decide_is_variable_needed): Return true if not
19170 flag_toplevel_reorder.
19171 (cgraph_add_asm_node): New function.
19172 * cgraph.h (struct cgraph_node): Add order field.
19173 (struct cgraph_varpool_node): Add order field.
19174 (struct cgraph_asm_node): Define.
19175 (cgraph_asm_nodes, cgraph_order): Declare.
19176 (cgraph_add_asm_node): Declare.
19177 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19179 (cgraph_varpool_assemble_pending_decls): Call it.
19180 (cgraph_output_pending_asms): New static function.
19181 (cgraph_finalize_compilation_unit): Call it.
19182 (struct cgraph_order_sort): Define.
19183 (cgraph_output_in_order): New static function.
19184 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19185 !flag_toplevel_reorder case.
19186 * c-parser.c: Include "cgraph.h".
19187 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19189 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19190 than -fno-unit-at-a-time.
19191 * doc/invoke.texi (Option Summary): Mention
19192 -fno-toplevel-reorder.
19193 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19194 -funit-at-a-time documentation.
19196 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19197 Kazu Hirata <kazu@codesourcery.com>
19199 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19201 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19203 * Makefile.in (FUNCTION_H): New. Use it instead of
19204 function.h throughout the file.
19205 * function.h: Include tree.h.
19207 2006-01-17 Ben Elliston <bje@au.ibm.com>
19209 * recog.c: Separate some functions with whitespace.
19211 2006-01-16 Richard Henderson <rth@redhat.com>
19213 Merge from gomp branch:
19214 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19215 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19216 and rename from struct inline_data. Rename callee* to dst*;
19217 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19218 transform_new_cfg, transform_return_to_modify, and
19219 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19221 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19222 (copy_decl_for_dup): Remove.
19223 * tree-inline.c (struct inline_data): Move to header.
19224 (insert_decl_map): Export.
19225 (remap_decl): Update for member name changes. Use copy_decl hook.
19226 Allow for replacement to be a non-decl. Remove dead code.
19227 (remap_type_1): Check for existing mapping.
19228 (remap_type): Export.
19229 (remap_decls): Update for member name changes.
19230 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19231 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19232 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19233 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19234 (tree_function_versioning, build_duplicate_type): Likewise.
19235 (copy_body_r): Likewise. Export.
19236 (copy_decl_for_dup): Split into ...
19237 (copy_decl_for_dup_finish, copy_decl_to_var,
19238 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19239 (replace_ref_tree, inlining_p): Remove.
19241 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19243 * ifcvt.c (if_convert): Make it static.
19244 * rtl.h: Remove the prototype for if_convert.
19246 * local-alloc.c (local_alloc): Make it static.
19247 * rtl.h: Remove the prototype for local_alloc.
19249 * loop.c (loop_optimize): Make it static.
19250 * cfgloop.h: Remove the prototype for loop_optimize.
19253 2006-01-16 DJ Delorie <dj@redhat.com>
19255 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19258 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19260 * pa.md: Disparage copies between general and floating-point registers
19261 in 32-bit move patterns.
19263 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19266 * Makefile.in (check-%): Depend on site.exp instead of
19267 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19270 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19272 * global.c (global_alloc): Make it static.
19273 * rtl.h: Remove the prototype for global_alloc.
19275 2006-01-16 Richard Guenther <rguenther@suse.de>
19277 * tree-ssa-alias.c (struct used_part): Add write_only field.
19278 (get_or_create_used_part_for): Initialize it to true.
19279 (create_overlap_variables_for): Don't create structure variables
19280 for structures that only are written to.
19281 (find_used_portions): Handle MODIFY_EXPR to track whether a
19282 structure is only written to.
19284 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19286 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19288 * basic-block.h: Remove the prototype for
19289 partition_hot_cold_basic_blocks.
19291 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19293 * cppspec.c (lang_specific_spec_functions): Remove.
19294 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19295 * gcc.h (lang_specific_spec_functions): Remove.
19296 * gccspec.c (lang_specific_spec_functions): Remove.
19298 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19300 * combine.c (record_value_for_reg): Invalidate registers
19302 (record_dead_and_set_regs_1): Likewise, by passing them to
19303 record_value_for_reg.
19304 (record_dead_and_set_regs): Invalidate stores made by a
19305 call. We do not combine across a call, but we still
19306 relied on equivalences.
19308 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19310 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19311 vrp_int_const_binop returning non-constant nodes.
19313 2006-01-16 Paul Brook <paul@codesourcery.com>
19315 * config/m68k/m68k.c (output_move_const_into_data_reg):
19316 Output correct mnemonic for mvz and mvs.
19318 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19320 * rtl-factoring.c: Add sequence abstraction algorithm.
19321 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19322 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19324 (block_has_preserve_label): New function.
19325 * common.opt: Register new pass.
19326 * Makefile.in: Ditto.
19328 * timevar.def: Ditto.
19329 * tree-pass.h: Ditto.
19330 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19331 * rtl.h (make_jump_insn_raw): Add forward decl.
19332 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19334 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19335 Roger Sayle <roger@eyesopen.com>
19337 * fold-const.c (fold_minmax): New static function.
19338 (fold_binary) <MIN_EXPR>: Call it.
19339 <MAX_EXPR>: Likewise.
19340 * stor-layout.c (place_field): Use DECL_SIZE consistently
19341 in the computation of the new record size.
19343 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19345 * cse.c (cse_condition_code_reg): Make it static.
19346 * rtl.h: Remove the prototype for cse_condition_code_reg.
19348 * combine.c (combine_instructions): Make it static.
19349 * rtl.h: Remove the prototype for combine_instructions.
19351 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19354 * tree.c (get_file_function_name_long): Concatenate the first global
19355 object name with a string derived from the input filename of the object
19358 2006-01-16 Ben Elliston <bje@au.ibm.com>
19360 * config/i386/winnt-stubs.c: Update FSF address.
19361 * config/xtensa/ieee754-df.S: Ditto.
19362 * config/xtensa/ieee754-sf.S: Ditto.
19364 2006-01-14 Ian Lance Taylor <ian@airs.com>
19366 * ifcvt.c (noce_init_if_info): New static function, broken out of
19367 noce_process_if_block.
19368 (noce_process_if_block): Call noce_init_if_info.
19369 (check_cond_move_block): New static function.
19370 (cond_move_process_if_block): New static function.
19371 (process_if_block): Call cond_move_process_if_block.
19373 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19375 * cselib.c (hash_table): Rename to cselib_hash_table.
19376 (cselib_clear_table, discard_useless_values,
19377 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19378 cselib_init, cselib_finish): Adjust uses of hash_table.
19380 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19382 PR tree-optimization/25485
19383 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19384 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19385 is known to be false and true, respectively.
19387 2006-01-14 Richard Guenther <rguenther@suse.de>
19389 PR tree-optimization/22548
19390 PR tree-optimization/22555
19391 PR tree-optimization/22501
19392 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19393 * params.def (salias-max-array-elements): New parameter.
19394 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19395 * doc/invoke.texi (salias-max-array-elements): Document.
19396 * tree-flow-inline.h (var_can_have_subvars): We also handle
19398 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19400 * tree-ssa-structalias.c (params.h): Include.
19401 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19402 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19403 (get_constraint_for): For ADDR_EXPR operating on something
19404 containing an ARRAY_REF, add all subvars to the solution.
19405 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19406 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19407 for creating MUST_DEFs.
19408 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19410 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19412 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19414 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19415 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19416 number_of_iterations_le): New functions.
19417 (number_of_iterations_special): Removed.
19418 (number_of_iterations_exit): Do not use number_of_iterations_special.
19419 * tree.c (unsigned_type_for): Always return integer type.
19421 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19422 Richard Guenther <rguenther@suse.de>
19424 PR rtl-optimization/24257
19425 * gcse.c (find_moveable_store): Only consider a store movable
19426 when the SET_SRC of the insn can be assigned to a register.
19428 2006-01-14 Ian Lance Taylor <ian@airs.com>
19430 * tree.c (tree_not_class_check_failed): New function.
19431 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19432 (tree_not_class_check_failed): Declare.
19434 2006-01-13 Ian Lance Taylor <ian@airs.com>
19436 * reload1.c (do_output_reload): Add assertion rejecting a
19439 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19441 * combine.c (struct reg_stat): Add new fields truncation_label and
19443 (record_value_for_reg): Reset truncated_to_mode.
19444 (record_truncated_value): New function.
19445 (check_promoted_subreg): Call it. Rename to check_conversions.
19446 (combine_instructions): Rename check_promoted_subreg to
19448 (reg_truncated_to_mode): New function.
19449 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19450 (gen_lowpart_or_truncate): New function.
19451 (force_to_mode): Use it instead of gen_lowpart.
19453 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19455 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19456 VAR is a tag, not its type tag.
19458 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19460 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19461 alternatives to match style of other entries.
19462 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19464 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19466 PR tree-optimization/25771
19467 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19470 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19473 * tree-inline.c (declare_return_variable): If the return variable
19474 was marked as a non gimple complex, set the return slot variable
19475 to be a non gimple comple variable.
19477 2006-01-13 Richard Guenther <rguenther@suse.de>
19479 * builtins.c (expand_builtin_sincos): New function.
19480 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19482 (expand_builtin): Expand sincos using expand_builtin_sincos.
19484 2006-01-12 DJ Delorie <dj@redhat.com>
19486 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19487 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19488 so that constant shifts can be split.
19489 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19490 (m32c_valid_pointer_mode): Make static.
19491 (shift_gen_func_for): New.
19492 (m32c_prepare_shift): Use it. Split large const shifts into
19494 * config/m32c/predicates.md (shiftcount_operand): Allow more
19496 (longshiftcount_operand): New.
19497 * doc/md.texi (Machine Constraints): Document In6.
19499 2006-01-13 Ben Elliston <bje@au.ibm.com>
19501 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19502 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19505 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19507 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19508 to try to avoid clobbering pieces of structures when we know
19509 something about the whole structure.
19510 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19512 2006-01-13 Ben Elliston <bje@au.ibm.com>
19514 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19515 return in memory, as this is no limitation is no longer present.
19517 2006-01-12 DJ Delorie <dj@redhat.com>
19519 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19520 mova with fb, and for fb+0 -> An.
19522 * config/m32c/mov.md (peephole2): Fix enabling logic.
19524 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19525 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19526 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19527 FINI_ARRAY_SECTION_ASM_OP): Define.
19529 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19531 (m32c_legitimize_reload_address): New logic to reload FB to An.
19532 (m32c_output_reg_push): Add newline.
19533 (m32c_output_reg_pop): Likewise.
19535 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19537 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19539 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19541 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19543 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19545 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19548 2006-01-11 Ben Elliston <bje@au.ibm.com>
19550 * rtlanal.c (find_reg_note): Assert insn is not null.
19552 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19554 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19557 2006-01-11 Jeff Law <law@redhat.com>
19559 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19561 (mark_threaded_blocks, register_jump_thread): New functions.
19562 (thread_through_all_blocks): Remove unwanted argument. No
19563 longer rely on e->aux to communicate thread target info.
19564 Call mark_threaded_blocks. Release the threaded_blocks
19565 bitmap and threaded_edges vector when complete.
19566 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19567 (threaded_blocks): Remove.
19568 (tree_ssa_dominator_optimize): Remove initialization and
19569 finalization of threaded_blocks. Simplify call to
19570 thread_through_all_blocks.
19571 (thread_across_edge): Call register_jump_thread rather than
19572 storing thread information into e->aux.
19573 (free_all_edge_infos): Simplify now that e->aux is no longer
19574 used to communicate with thread_through_all_blocks.
19575 * tree-flow.h (thread_through_all_blocks): Update prototype.
19576 (register_jump_thread): Prototype.
19578 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19580 * df-core.c (df_compact_blocks, df_bb_replace): Use
19581 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19583 2006-01-11 Richard Guenther <rguenther@suse.de>
19585 PR tree-optimization/25734
19586 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19587 stop propagation after successful propagation to the LHS.
19589 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19591 * basic-block.h (control_flow_graph): Change the type of
19592 x_basic_block_info to VEC(basic_block,gc) *.
19593 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19595 (SET_BASIC_BLOCK): New.
19596 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19597 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19598 * cfgbuild.c (find_basic_blocks): Likewise.
19599 * cfglayout.c (fixup_reorder_chain): Likewise.
19600 * cfgrtl.c (create_basic_block_structure,
19601 rtl_create_basic_block): Likewise.
19602 * ifcvt.c (find_if_case_1): Likewise.
19603 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19606 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19608 * Makefile.in: Removed rotted odf.c entry.
19610 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19613 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19614 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19615 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19616 output pattern modifier, not %e.
19617 * config/cris/cris.c (cris_op_str): Update comment about pattern
19619 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19620 before falling through into...
19621 <case 'E'>: Redefined from old 'e' case.
19623 2006-01-11 Jan Hubicka <jh@suse.cz>
19626 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19628 2006-01-11 Jan Hubicka <jh@suse.cz>
19630 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19631 * i386.c (x86_decompose_lea): Kill.
19632 (ix86_rtx_costs): Kill.
19634 2006-01-11 Jan Hubicka <jh@suse.cz>
19636 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19637 * cgraph.h (cgraph_node): Add inline_decl.
19638 (cgraph_insert_node_to_hashtable): Declare.
19639 (save_inline_function_body): Declare.
19640 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19642 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19643 (cgraph_function_versioning): Update call of tree_function_versioning.
19644 (save_inline_function_body): New function.
19645 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19646 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19647 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19648 (cgraph_default_inline_p): Likewise.
19649 (cgraph_decide_inlining_incrementally): Likewise.
19650 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19651 (copy_bb): Kill saving; do updating of clones.
19652 (copy_cfg_body): Kill saving.
19653 (initialize_inlined-parameters): Likewise.
19654 (expand_call_inline): Likewise.
19656 (tree_function_versioning): New parameter "update_clones".
19657 (inlining_p): Kill saving.
19658 * tree-inline.h (tree_function_versioning): Update prototype.
19659 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19662 2006-01-11 Ian Lance Taylor <ian@airs.com>
19664 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19665 Allow undoing set of machine mode.
19666 (do_SUBST): Use enums instead of is_int.
19667 (do_SUBST_MODE): New function.
19668 (SUBST_MODE): New macro.
19669 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19670 reg and trying to replace reg_regno_rtx with a new register.
19671 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19672 (simplify_set): Use SUBST_MODE.
19673 (distribute_notes): Remove code that tried to update reg notes
19674 for regno_reg_rtx changes.
19676 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19678 PR tree-optimization/23109
19679 PR tree-optimization/23948
19680 PR tree-optimization/24123
19682 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19683 * tree-cfg.c (single_noncomplex_succ): New.
19684 * tree-flow.h (single_noncomplex_succ): Declare it.
19685 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19686 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19687 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19688 insert_bb, register_division_in, insert_reciprocals,
19689 replace_reciprocal, free_bb): New.
19690 (execute_cse_reciprocals_1): Rewritten.
19691 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19692 Do not commit any edge insertion. Always compute dominators and
19693 create the allocation pool.
19694 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19695 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19696 * targhooks.c (default_min_divistions_for_recip_mul): New.
19697 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19698 * passes.c (init_optimization_passes): Run recip after tree loop
19700 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19702 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19703 Kenneth Zadeck <zadeck@naturalbridge.com>
19705 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19706 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19707 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19708 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19709 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19710 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19711 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19712 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19713 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19714 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19715 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19716 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19717 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19718 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19719 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19720 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19721 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19722 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19723 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19724 DF_SCAN_POST_ALLOC): New macros.
19725 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19726 df_free_bb_function, df_local_compute_function, df_init_function,
19727 df_dataflow_function, df_confluence_function_0,
19728 df_confluence_function_n, df_transfer_function,
19729 df_finalizer_function, df_free_function, df_dump_problem_function,
19730 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19731 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19732 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19733 df_urec_bb_info, ) New types.
19734 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19736 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19737 df_analyze_simple_change_some_blocks,
19738 df_analyze_simple_change_one_block, df_compact_blocks,
19739 df_bb_replace, df_bb_regno_last_use_find,
19740 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19741 df_insn_regno_def_p, df_find_def, df_find_use,
19742 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19743 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19744 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19745 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19746 debug_df_chain, df_get_dependent_problem, df_chain_create,
19747 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19748 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19749 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19750 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19751 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19752 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19753 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19754 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19755 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19756 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19757 df_reorganize_refs, df_set_state, df_hard_reg_init,
19758 df_read_modify_subreg_p) New public functions.
19759 * df-core.c: The core dataflow solver and glue routines for rtl
19761 (df_init, df_add_problem, df_set_blocks, df_finish,
19762 df_hybrid_search_forward, df_hybrid_search_backward,
19763 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19764 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19765 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19766 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19767 df_reg_defined, df_find_use, df_reg_used, df_dump,
19768 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19769 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19770 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19771 debug_df_useno, reset_df_after_reload): New functions.
19772 * df-scan.c: The scanning fuctions, once in df.c, completely
19773 rewritten so that they now fully model the functionality of
19774 register usage at the backend.
19775 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19776 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19777 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19778 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19779 df_get_artificial_defs, df_get_artificial_uses,
19780 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19781 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19782 df_refs_delete, df_reorganize_refs, df_set_state,
19783 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19784 df_def_record_1, df_defs_record, df_uses_record,
19785 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19786 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19787 df_record_exit_block_uses, df_hard_reg_init): New functions.
19789 * df-problems.c: Seven concrete dataflow problems that use the
19790 scanning in df-scan.c and are solved by the engine in df-core.c.
19791 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19792 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19793 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19794 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19795 df_ru_free_bb_info, df_ru_alloc,
19796 df_ru_bb_local_compute_process_def,
19797 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19798 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19799 df_ru_transfer_function, df_ru_free, df_ru_dump,
19800 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19801 df_rd_free_bb_info, df_rd_alloc,
19802 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19803 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19804 df_rd_transfer_function, df_rd_free, df_rd_dump,
19805 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19806 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19807 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19808 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19809 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19810 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19811 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19812 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19813 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19814 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19815 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19816 df_urec_mark_reg_use_for_earlyclobber,
19817 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19818 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19819 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19820 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19821 df_chain_create_bb_process_use, df_chain_create_bb,
19822 df_chain_finalize, df_chain_free, df_chains_dump,
19823 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19824 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19825 df_reg_lifetime): New functions.
19826 * df.c: Deleted file.
19827 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19828 consistent with new df api.
19829 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19830 rest_of_handle_sms): Ditto.
19831 * web.c (unionfind_union, union_defs, entry_register, web_main):
19833 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19834 invariant_expr_equal_p, find_defs, check_dependencies,
19835 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19836 free_inv_motion_data, move_loop_invariants): Ditto.
19837 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19838 Update dependencies.
19839 (odf.c): Added defective entry that was deleted later in day.
19840 * sched-deps.c (sched_analyze_1): Ditto.
19842 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19844 * tree-ssa-operands.c (get_expr_operands): Record addressable
19845 variables directly. Do not call add_stmt_operands for CONST_DECLs
19847 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19848 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19850 2006-01-11 Ben Elliston <bje@au.ibm.com>
19852 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19853 function returns true in the positive case.
19855 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19858 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19859 for SI, DI, SF and DF modes. Add alternatives to copy between
19860 general and floating point registers to the 32-bit patterns.
19861 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19862 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19863 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19864 generating 64-bit code.
19865 * config/pa/pa.c (output_move_double): Handle copies between general
19866 and floating registers.
19868 2006-01-10 Stuart Hastings <stuart@apple.com>
19870 * config/i386/i386.md (set_got): Update.
19871 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19872 (builtin_setjmp_receiver): Mach-O support.
19873 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19874 (GOT_SYMBOL_NAME): Define.
19875 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19876 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19877 * config/i386/i386.c (override_options): Revise for Darwin.
19878 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19879 support. (darwin_x86_file_end): New. (output_set_got): Add label
19880 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19881 * config/i386/i386-protos.h (output_set_got): Likewise.
19882 * config/darwin.c (machopic_legitimize_pic_address): Update
19885 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19887 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19888 when MODE isn't BLKmode.
19890 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19892 PR rtl-optimization/25367
19893 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19895 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19898 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19899 for a negative bound.
19901 2006-01-10 Richard Guenther <rguenther@suse.de>
19903 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19904 Never override with anything constraint.
19906 2006-01-10 Jan Beulich <jbeulich@novell.com>
19908 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19909 256 bits when optimize_size.
19911 2006-01-10 Jan Beulich <jbeulich@novell.com>
19913 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19915 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19916 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19919 2006-01-10 Ben Elliston <bje@au.ibm.com>
19921 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19923 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19924 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19925 (USE_FP_FOR_ARG): Reject decimal float modes.
19926 (function_arg_advance): Likewise.
19927 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19928 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19929 point types in AltiVec vectors.
19930 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19931 (rs6000_libcall_value): Likewise.
19933 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19935 * config/xtensa/ieee754-df.S: New file.
19936 * config/xtensa/ieee754-sf.S: New file.
19937 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19938 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19939 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19941 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19943 * config/sh/predicates.md (binary_float_operator,
19944 binary_logical_operator, commutative_float_operator,
19945 equality_comparison_operator, greater_comparison_operator,
19946 less_comparison_operator, logical_operator,
19947 noncommutative_float_operator, shift_operator,
19948 symbol_ref_operand, unary_float_operator): Remove redundant
19951 2006-01-09 Jeff Law <law@redhat.com>
19953 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19954 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19955 now unused arguments. Callers updated.
19956 (eliminate_redundant_computations): Remove now unused arguments,
19958 (local_fold): Remove, no longer used.
19959 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19961 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19962 (simplify_cond): New function.
19963 (forward_propagate_into_cond): Call simplify_cond.
19965 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19967 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19968 (*vec_extractv2di_1_sse): New.
19970 2006-01-09 Ben Elliston <bje@au.ibm.com>
19972 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19974 2006-01-08 Richard Guenther <rguenther@suse.de>
19976 * tree-ssa-structalias.c (get_constraint_for): Remove
19977 anyoffset argument.
19978 (get_constraint_for_component_ref): Likewise.
19979 (do_deref): Likewise.
19980 (get_constraint_for): Likewise.
19981 (do_structure_copy): Likewise.
19982 (handle_ptr_arith): Likewise.
19983 (find_func_aliases): Likewise. Remove unused need_anyoffset
19986 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19987 Kaz Kojima <kkojima@gcc.gnu.org>
19989 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19990 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19991 (EXTRA_CONSTRAINT_C16): Remove.
19992 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19993 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19994 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19995 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19996 constants of SHmedia. Handle nested constant expressions of
19998 (andcosts): Fix the costs for SHmedia constants.
19999 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
20000 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
20001 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
20002 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
20003 (movv4hi_i, movv2si_i): Likewise.
20004 (movsi_const): Adjust the second operand of ior so to match with
20005 the Csu constraint.
20006 (movdi_const, movdi_const_32bit): Likewise.
20007 (movdi_const_16bit+1): Don't sign-extend LOW.
20008 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
20010 (*double_shori): Fix the split condition. Use GEN_INT instead
20011 of get_int_mode calls. Mask lower 16-bit of the argument of
20013 (sym2GOTPLT): Remove.
20014 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
20016 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
20017 instead of EXTRA_CONSTRAINT_C16.
20019 2006-01-07 Ian Lance Taylor <ian@airs.com>
20020 David Edelsohn <edelsohn@gnu.org>
20022 PR rtl-optimization/25662
20023 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
20024 for constant operands instead of simplify_gen_binary.
20025 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
20026 after trying simplify_binary_operation
20028 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
20030 * tree.c (iterative_hash_expr): Hash decls based on UID.
20032 2006-01-06 Eric Christopher <echristo@apple.com>
20034 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
20035 (TARGET_UNWIND_EMIT): Fix spelling.
20036 * target.h (gcc_target): Add except_table_label.
20037 * except.c (output_function_exception_table): Use.
20038 * varasm.c (default_emit_except_table_label): New.
20039 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
20041 (asm_out): Add here.
20042 * output.h (default_emit_except_table_label): Prototype.
20043 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
20044 * config/darwin.c (darwin_emit_except_table_label): Define.
20045 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
20047 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
20049 PR tree-optimization/18527
20050 * tree-ssa-loop-niter.c (number_of_iterations_cond,
20051 number_of_iterations_special, number_of_iterations_exit):
20052 Move base and step of an iv to a single structure. Add
20053 no_overflow flag, and use it in # of iterations analysis.
20054 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
20055 folded_casts argument.
20056 (simple_iv): Pass base and step in a structure. Set no_overflow
20058 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
20059 Evaluate expensiveness of computing # of iterations instead of
20060 the final expression.
20061 * tree-scalar-evolution.h (affine_iv): New structure.
20062 (simple_iv): Declaration changed.
20063 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
20064 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
20065 find_givs_in_stmt): Changed due to simple_iv change.
20067 2006-01-06 Jeff Law <law@redhat.com>
20070 * tree-cfg.c (bsi_replace): Rename final argument from
20071 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
20072 change (stmt -> orig_stmt).
20073 * tree-eh.c (verify_eh_throw_stmt_node): New function.
20074 (bsi_remove): Add new argument. Remove EH information
20076 (verify_eh_throw_table_statements): New function.
20077 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
20079 * tree-optimize.c (execute_free_cfg_annotations): Verify
20080 the EH throw statement table after removing annotations.
20081 * except.h (verify_eh_throw_table_statements): Prototype.
20082 * tree-flow.h (bsi_remove): Update prototype.
20083 * tree-vrp.c (remove_range_assertions): Add new argument to
20085 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
20086 * tree-complex.c (expand_complex_div_wide): Likewise.
20087 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
20088 * tree-tailcall.c (eliminate_tailcall): Likewise.
20089 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
20090 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
20091 * tree-nrv.c (tree_nrv): Likewise.
20092 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
20093 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
20094 (combine_blocks): Likewise.
20095 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
20096 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
20097 (cleanup_control_flow): Likewise.
20098 (remove_forwarder_block): Likewise.
20099 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
20100 * tree-sra.c (sra_replace): Likewise.
20101 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
20102 (forward_propagate_single_use_vars): Likewise.
20103 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
20104 * tree-inline.c (expand_call_inline): Likewise.
20105 * tree-vect-transform.c (vect_transform_loop): Likewise.
20106 * tree-outof-ssa.c (rewrite_trees): Likewise.
20107 * tree-cfg.c (make_goto_expr_edges): Likewise.
20108 (cleanup_dead_labels): Likewise.
20109 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
20110 (bsi_move_before, bsi_move_after): Likewise.
20111 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
20112 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
20114 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
20117 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
20119 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
20120 on non gimple variables. Also add checks at the top for decls and
20122 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
20124 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
20125 and IMAGPART_EXPR for creating MUST_DEFs.
20126 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
20127 and NAME_MEMORY_TAG separately from the DECLs.
20129 2006-01-06 Richard Guenther <rguenther@suse.de>
20131 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
20132 annotation, if necessary.
20133 * tree-ssa-pre.c (create_expression_by_pieces): Remove
20134 redundant calls to update_stmt.
20135 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
20138 2006-01-05 Richard Henderson <rth@redhat.com>
20140 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
20142 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20144 * c-typeck.c: Update copyright date.
20146 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20148 * c-typeck.c (build_c_cast): Always warn when casting
20149 from a pointer to an integer of different size, even if
20150 the node was constant.
20152 2006-01-05 Richard Guenther <rguenther@suse.de>
20154 PR tree-optimization/22555
20155 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
20156 if one structure field is an array.
20157 * tree-ssa-operands.c (get_expr_operands): Continue scanning
20158 operands even if we found a subvar, but ignore VOPs in this
20160 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
20162 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
20164 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
20166 PR middle-end/24998
20167 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
20169 2006-01-05 Richard Guenther <rguenther@suse.de>
20170 Diego Novillo <dnovillo@redhat.com>
20172 * tree-pass.h (TODO_remove_unused_locals): Define.
20173 * gimple-low.c (expand_var_p, remove_useless_vars,
20174 pass_remove_useless_vars): Remove. Update all users.
20175 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20176 (remove_unused_locals): New function.
20177 * tree-flow.h (remove_unused_locals): Declare.
20178 * passes.c (execute_todo): Call remove_unused_locals if
20179 TODO_remove_unused_locals is set.
20180 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20181 * tree-ssa-dce.c (pass_dce): Likewise.
20182 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20184 2006-01-05 Richard Guenther <rguenther@suse.de>
20186 * tree-flow.h (struct fieldoff): Decompose field to
20187 type, size and decl.
20188 * tree-ssa-alias.c (create_sft): Take type as parameter.
20189 (create_overlap_variables_for): Store type, size and decl
20190 in the fieldoff structure.
20191 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20192 of struct fieldoff.
20193 (push_fields_onto_fieldstack): Likewise.
20194 (create_variable_info_for): Likewise. Use offset for the
20195 SFT name if the decl is not available.
20197 2006-01-04 Paul Brook <paul@codesourcery.com>
20199 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20201 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20203 * lambda-code.c (can_put_in_inner_loop): Relax
20205 (can_put_after_inner_loop): New function.
20206 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20207 (perfect_nestify): Change to make copies and modify uses.
20209 2006-01-04 Richard Henderson <rth@redhat.com>
20211 Merge from gomp branch:
20212 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20213 via integer constant.
20214 (pragma_lex): Remove.
20215 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20216 rather than parsing it.
20217 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20218 handle_pragma_extern_prefix): Add %< %> quotes.
20219 (registered_pragmas): New.
20220 (c_register_pragma_1): New.
20221 (c_register_pragma): Use it.
20222 (c_register_pragma_with_expansion): Likewise.
20223 (c_invoke_pragma_handler): New.
20224 (init_pragma): Use cpp_register_deferred_pragma directly for
20226 * c-pragma.h (enum pragma_kind): New.
20227 (pragma_handler): New.
20228 (c_invoke_pragma_handler): Declare.
20229 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20231 * c-common.h (c_common_pch_pragma): Update decl.
20232 * Makefile.in (c-parser.o): Update dependencies.
20233 (GTFILES): Add c-pragma.h.
20234 * c-parser.c (struct c_token): Add pragma_kind.
20235 (struct c_parser): Add in_pragma.
20236 (c_lex_one_token): Always initialize keyword and pragma_kind.
20237 Extract data for CPP_PRAGMA.
20238 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20239 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20240 Don't allow CPP_PRAGMA_EOL if in_pragma.
20241 (c_parser_consume_pragma): New.
20242 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20243 (c_parser_skip_to_end_of_parameter): Likewise.
20244 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20245 (c_parser_skip_to_pragma_eol): New.
20246 (c_parser_external_declaration): Handle CPP_PRAGMA.
20247 (c_parser_compound_statement_nostart): Likewise.
20248 (c_parser_statement_after_labels): Likewise.
20249 (c_parser_pragma): New.
20250 (pragma_lex): Likewise.
20251 (c_parser_pragma_pch_preprocess): New.
20252 (c_parser_new): Merge into ...
20253 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20255 2006-01-04 Jeff Law <law@redhat.com>
20258 * tree-cfg.c (bsi_replace): Remove the original statement
20259 from the EH throw statement table.
20261 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20263 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20264 make the prototype extern "C" and add throw ().
20267 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20268 and pos non-negative and pos + len <= 32.
20269 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20270 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20271 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20274 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20275 as well as sizes not multiple of component size.
20278 * function.c (instantiate_expr): New function.
20279 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20280 walk its DECL_VALUE_EXPR with instantiate_expr.
20282 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20283 DW_OP_deref{,_size} if address isn't going to be added.
20285 2006-01-04 Ben Elliston <bje@au.ibm.com>
20287 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20288 * config/fp-bit.c: Likewise.
20290 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20292 * dominance.c: Add comment about why we use DFS numbering
20295 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20296 Richard Henderson <rth@redhat.com>
20298 Merge from gomp-branch:
20299 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20300 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20302 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20304 PR rtl-optimization/25578
20305 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20306 pass a parameter to simplify_shift_const if changing ASHIFTRT
20309 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20311 * builtins.c (get_builtin_sync_mem): New function.
20312 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20313 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20314 Call get_builtin_sync_mem to generate mem rtx.
20316 2006-01-03 Richard Guenther <rguenther@suse.de>
20319 * stmt.c (add_case_node): Make sure to clear overflow flags
20322 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20324 Merge from gomp-branch.
20325 * config/sparc/sync.md: New file.
20326 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20327 UNSPECV_LDSTUB): New constants.
20328 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20329 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20330 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20333 2006-01-03 Roger Sayle <roger@eyesopen.com>
20335 * combine.c (reg_subword_p): New predicate to test whether the
20336 destination of a set refers to a subword/piece of a register.
20337 (try_combine): Generalize the code to merge the setting of a
20338 pseudo to a constant followed by a set of a subword of that
20339 register to a constant.
20341 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20343 * basic-block.h (control_flow_graph): Change the type of
20344 x_label_to_block_map to VEC(basic_block,gc) *.
20345 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20346 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20348 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20349 VEC(basic_block,heap) *.
20350 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20351 ssa_prop_fini): Adjust the uses of cfg_blocks.
20353 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20355 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20357 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20358 hashing trees instead of a pointer hash.
20359 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20360 compare for MEM_EXPR.
20362 PR rtl-optimization/25130
20363 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20364 when comparing MEMs for GCSE
20366 2006-01-03 Ben Elliston <bje@au.ibm.com>
20368 * targhooks.h (default_decimal_float_supported_p): Declare.
20369 * targhooks.c (default_decimal_float_supported_p): Define.
20370 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20371 `default_decimal_float_supported_p'.
20372 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20374 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20376 * combine.c (apply_distributive_law <SUBREG>): Check
20377 TRULY_NOOP_TRUNCATION.
20379 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20381 * dwarf2out.c (have_switched_text_section): Delete.
20382 (have_multiple_function_sections): New.
20383 (have_location_lists): Make 'bool'.
20384 (add_AT_loc_list): Use 'true' not '1'.
20385 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20386 (output_loc_list): Use have_multiple_function_sections.
20387 (output_ranges): Likewise.
20388 (dwarf2out_begin_function): Set have_multiple_function_sections if
20390 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20391 Check function_section rather than DECL_SECTION_NAME.
20392 (dwarf2out_finish): Use have_multiple_function_sections.
20393 Don't clear have_location_lists.
20395 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20396 Jan Hubicka <jh@suse.cz>
20398 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20399 case of conditional jump jumping to the next instruction.
20400 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20401 cases of conditional jump jumping to the next instruction.
20403 2006-01-02 Jan Hubicka <jh@suse.cz>
20405 * i386.c (*_cost): Add COSTS_N_INSNS.
20406 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20408 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20411 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20413 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20415 * config/arm/arm.c (all_fpus): Fix comment typo.
20416 * config/darwin.c: Likewise.
20417 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20418 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20419 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20421 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20423 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20424 (rs6000_split_compare_and_swapqhi): New.
20425 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20426 (sync_compare_and_swapqhi_internal): New.
20427 * config/rs6000/rs6000-protos.h: Declare.