1 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
4 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
6 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
8 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
9 TYPE_MAX_VALUE for scalar types here but...
10 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
11 is attached an error mark, and the return value of the callback
12 if it is not NULL_TREE.
14 2006-12-04 Ben Elliston <bje@au.ibm.com>
16 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
18 2006-12-03 Eric Christopher <echristo@apple.com>
21 * config/t-slibgcc-darwin: Pass -install_name.
22 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
23 libtool. Only pass through options that the linker recognizes.
24 (LINK_SPEC): Update comment. Translate options.
25 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
26 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
28 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
30 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
32 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
35 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
36 operands[1] in insn constraint. Correct type attribute to sselog1.
38 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
41 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
43 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
46 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
47 -march=native if there is no -mtune=*.
49 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
52 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
54 * doc/install.texi: Update recommended MPFR version. Remove
55 obsolete reference to cumulative patch.
57 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
60 * c-decl.c (store_parm_decls_oldstyle): Robustify.
62 2006-11-30 Jan Hubicka <jh@suse.cz>
63 Uros Bizjak <ubizjak@gmail.com>
65 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
66 32bit memcpy/memset decriptors.
67 (decide_alg): With -minline-all-stringops and sizes that are best
68 to be copied via libcall still work hard enough to pick non-libcall
71 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
73 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
75 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
76 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
77 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
78 config/sh/sh4-300.md, config/spu/spu-builtins.def,
79 config/spu/spu-c.c, config/spu/spu-modes.def,
80 config/spu/spu.c, config/spu/spu.md,
81 config/spu/spu_internals.h, config/spu/vmx2spu.h,
82 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
83 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
84 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
85 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
88 * config/i386/i386.c: Fix a comment typo.
90 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
92 * config/spu/spu.c (spu_immediate): Remove trailing comma.
93 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
94 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
96 (floatv4siv4sf2): New.
97 (fix_truncv4sfv4si2): New.
98 (floatunsv4siv4sf2): New.
99 (fixuns_truncv4sfv4si2): New.
107 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
108 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
109 spu_resolve_overloaded_builtin instead of static inline functions.
111 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
113 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
114 type instead of the size of its mode to compute the highest and
115 lowest possible values. Still check the size of the mode before
116 flipping the signedness of the comparison.
118 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
120 * config/spu/predicates.md (spu_mov_operand): Add.
121 * config/spu/spu.c (spu_expand_extv): Remove unused code.
122 (print_operand_address, print_operand): Handle addresses containing AND.
123 (spu_split_load, spu_split_store): Use updated movti pattern.
124 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
125 stores in mov patterns for correct operation of reload.
126 (lq, lq_<mode>, stq, stq_<mode>): Remove.
128 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
131 * c-common.c (check_main_parameter_types): Check for error_mark_node.
133 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
135 * common.opt (ftree-combine-temps): Remove.
136 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
137 (coalesce_ssa_name): Don't check for combine-temps.
138 (coalesce_vars): Remove.
139 (check_replaceable): Use num_imm_uses.
140 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
141 check for combine-temps.
142 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
143 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
144 to register_ssa_partition calls.
145 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
146 (init_var_map, delete_var_map): remove refernces to ref_count.
147 (create_ssa_var_map): Never calculate a ref count.
148 (type_var_init): Remove.
149 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
150 (SSA_VAR_MAP_REF_COUNT): Delete.
151 (create_ssa_var_map): Change Prototype to have no parameters.
152 (version_ref_count): Delete.
153 (register_ssa_partition): Remove 'is_use' paramater and don't set the
155 (type_var_num, type_var, type_var_first_partition,
156 type_var_next_partition, type_var_dump, type_var_delete,
157 type_var_remove_partition, type_var_find, type_var_compact,
158 type_var_decompact): Remove.
160 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
162 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
165 2006-12-01 Richard Guenther <rguenther@suse.de>
168 * dwarf2out.c (struct pubname_struct): Make name const.
169 (add_pubtype): Do not xstrdup identifiers.
171 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
173 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
174 multiword accesses are in range.
176 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
178 PR tree-optimization/29921
179 * tree-ssa-ccp.c (canonicalize_float_value): New function.
180 (set_lattice_value): Use canonicalize_float_value.
182 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
184 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
185 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
186 (spu_cpu_cpp_builtins): Remove.
187 (spu_override_options): Don't set warn_main.
188 (spu_force_reg): Move from spu-c.c.
189 (spu_check_builtin_parm): Likewise.
190 (expand_builtin_args): Likewise.
191 (spu_expand_builtin_1): Likewise.
192 (spu_expand_builtin): Likewise.
193 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
194 warn_main and targetm.resolve_overloaded_builtin.
195 * config/spu/spu-c.c (spu_builtin_range): Remove.
196 (spu_check_builtin_parm): Remove.
197 (expand_builtin_args): Remove.
198 (spu_expand_builtin_1): Remove.
199 (spu_expand_builtin): Remove.
200 (spu_cpu_cpp_builtins): Moved from spu.c
201 (spu_force_reg): Remove.
203 2006-12-01 Joseph Myers <joseph@codesourcery.com>
204 David Edelsohn <edelsohn@gnu.org>
207 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
208 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
209 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
210 HARD_REGNO_NREGS_WITH_PADDING): Define.
211 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
212 HARD_REGNO_NREGS_WITH_PADDING): Define.
213 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
214 Use new macros to detect modes with holes; do not look at integer
216 (subreg_offset_representable_p): Check for and disallow cases
217 where the modes use different numbers of bits from registers.
218 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
219 constant for soft-float.
220 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
222 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
224 * config/rs6000/rs6000.md (movtf): Allow soft-float.
225 (movtf_softfloat): New.
227 2006-11-30 Richard Sandiford <richard@codesourcery.com>
229 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
232 2006-11-30 Andrew Macleod <amacleod@redhat.com>
234 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
235 (COALESCE_HASH_FN): New. Define hash function.
236 (partition_pair_map_hash): New. Hash value for a partition pair.
237 (partition_pair_map_eq): New. Equality for hash pairs.
238 (create_coalesce_list): Create hash table.
239 (delete_coalesce_list): Free hash table.
240 (find_partition_pair): Find/create pairs in hash table.
241 (compare_pairs): Sort pairs in ascending order now.
242 (num_coalesce_pairs): New. Number of pairs in hash table.
243 (struct partition_pair_iterator): Iterator struct for pair table.
244 (first_partition_pair): Iterator function for first pair.
245 (end_partition_pair_p): Iterator function for end of iteration.
246 (next_partition_pair): Iterator function for next pair.
247 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
248 (sort_coalesce_list): Sort pairs from hash table into an array.
249 (pop_best_coalesce): Take pairs from the array.
250 (dump_coalesce_list): Update to use hash table or sorted array.
251 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
252 (struct coalesce_list_d): Add hash table related fields.
254 2006-11-30 Jan Hubicka <jh@suse.cz>
257 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
258 memmove/bcopy->memcpy conversion.
260 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
262 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
263 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
264 Default is the largest alignment supported for 32-bit ELF and
265 representable on a 32-bit host.
267 2006-11-30 Janis Johnson <janis187@us.ibm.com>
269 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
271 2006-11-30 Jan Hubicka <jh@suse.cz>
273 * tree-ssa-operands.h (struct ssa_operands): New.
274 * tree-flow-inline.h (gimple_ssa_operands): New function.
275 * tree-flow.h: (struct gimple_df): Add ssa_operands.
276 * Makefile.in: Remove gt-tree-ssa-operands.h
277 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
278 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
279 operand_memory, operand_memory_index, ops_active): Remove statics.
280 (ALLOC_OPTYPE): Update.
281 (operand_build_sort_virtual): Update.
282 (ssa_operands_active): Update.
283 (init_ssa_operands): Update.
284 (fini_ssa_operands): Update.
285 (ssa_operand_alloc): Update.
286 (INITIALIZE_USE): Update.
287 (finalize_ssa_use_ops): Update.
288 (finalize_ssa_v_may_def_ops): Update.
289 (finalize_ssa_vuse_ops): Update.
290 (finalize_ssa_v_must_def_ops): Update.
292 2006-11-30 Richard Guenther <rguenther@suse.de>
294 * tree-vectorizer.h (vectorizable_function): Export.
295 * tree-vect-transform.c (vectorizable_function): Likewise.
296 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
297 type_in to scalar type in recognition of squaring.
298 Make sure the target can vectorize sqrt in recognition
299 of sqrt, set type_in to vector type in this case.
301 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
303 * config/i386/i386.md (R10_REG): New constant.
304 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
305 (ix86_emit_restore_regs_using_mov): Ditto.
306 (ix86_expand_call): Ditto.
307 (x86_output_mi_thunk): Ditto. Also use R10_REG.
309 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
311 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
312 * alias.c (canon_true_dependence): Update comment.
314 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
316 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
317 at the end of a diagnostics message.
319 * alloc-pool.c (pool_free): Postpone clearing the pool entry
320 until after asserting that it was allocated in the right pool.
322 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
323 successor edge information as well. Make output of live regs
324 on exit consistent with live regs on entry.
326 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
329 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
330 insn patterns for TARGET_80387.
331 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
332 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
333 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
334 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
335 Generate truncxf<mode>2 insn patterns for strict SSE math.
337 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
339 * config/i386/i386.md (movsf_1): Enable pattern for standard
340 80387 constants before reload when optimizing for size.
341 (*movdf_nointeger, *movdf_integer): Ditto.
342 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
343 80387 constants before reload when not optimizing for size.
345 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
346 extension of XFmode input operands.
348 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
350 * config/spu/crt0.c (__dso_handle): Define.
352 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
354 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
355 when clearing the used flags.
357 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
359 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
361 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
364 * config/spu/spu.md (extend_compare<mode>): New pattern.
365 (extend_compare): Change to expand and use the above pattern.
367 2006-11-29 Janis Johnson <janis187@us.ibm.com>
369 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
371 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
372 (DFP_INIT_ROUNDMODE): Define.
373 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
374 * mklibgcc.in: Fix dependencies for dfp-bit.c.
376 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
378 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
379 Update documentation.
380 (associate_line_notes_with_blocks): Kill.
381 (extend_bb): Remove basic block argument, put void instead.
382 Remove line number handling for each bb.
383 (save_line_notes): Kill.
384 (restore_line_notes): Kill.
385 (sched_init): Remove line_note_head initialization.
386 Change extend_bb call.
387 (sched_finish): Remove free of line_note_head.
388 (add_block): Change extend_bb call.
389 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
390 rm_line_notes and restore_line_notes calls.
391 (schedule_ebbs): Remove rm_redundant_line_notes.
392 * sched-int.h (struct haifa_insn_data): Remove line_note.
393 (save_line_notes): Remove declaration.
394 (restore_line_notes): Remove declaration.
395 * modulo-sched.c (loop_canon_p): Update debug info printing
396 by using insn locators instead of line note.
397 (sms_schedule): Update debug info printing, by using insn
398 locators instead of line note.
399 * sched-rgn.c (debug_dependencies): Remove handling of case
400 n>0 (line number), since it's a dead code.
401 (schedule_region): Remove save_line_notes and
402 restore_line_notes calls.
404 2006-11-29 Joseph Myers <joseph@codesourcery.com>
406 * config/rs6000/predicates.md (gpc_reg_operand): Check
408 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
409 SImode subregs of SPE vectors.
410 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
411 * jump.c (true_regnum): Require subregs to satisfy
412 subreg_offset_representable_p.
414 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
415 Steven Bosscher <stevenb.gcc@gmail.com>
417 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
418 since it no longer exists.
420 2006-11-29 Duncan Sands <baldrick@free.fr>
422 PR tree-optimization/23744
423 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
425 2006-11-29 Duncan Sands <baldrick@free.fr>
427 PR tree-optimization/23744
428 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
430 2006-11-29 Duncan Sands <baldrick@free.fr>
432 PR tree-optimization/23744
433 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
435 2006-11-29 Jie Zhang <jie.zhang@analog.com>
437 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
439 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
441 * sh.opt (minline-ic_invalidate): New option.
442 (musermode): Adjust comment.
443 * sh.c (sh_initialize_trampoline): Emit library call unless
444 is set; if it is set, don't emit library call if we can use icbi
446 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
447 icbi for TARGET_SH4_300.
448 * t-sh (LIB1ASMFUNCS_CACHE): Set.
449 * doc/invoke.texi: Document -minline-ic_invalidate; Update
450 -musermode documentation.
452 2006-11-29 Jim Tison <jtison@us.ibm.com>
454 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
455 __gthread_recursive_mutex_init): Define.
457 2006-11-29 Joseph Myers <joseph@codesourcery.com>
459 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
460 STRICT_ALIGNMENT and the type is more aligned than the saved
461 registers, copy via a temporary.
463 2006-11-28 Andrew Pinski <pinskia@gmail.com>
466 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
469 2006-11-28 Bob Wilson <bob.wilson@acm.org>
471 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
473 2006-11-28 Jan Hubicka <jh@suse.cz>
475 Privatize SSA variables into gimple_df.
477 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
478 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
479 gimple_nonlocal_all): New accessors.
480 (first_referenced_var): Update.
481 (mark_stmt_modified): Update.
482 (is_call_clobbered): Update.
483 (mark_call_clobbered): Update.
484 (clear_call_clobbered): Update.
485 (mark_non_addressable): Update.
486 * tree-vrp.c (get_value_range): Update.
487 * tree-into-ssa.c (in_ssa_p): Kill.
488 (get_default_def_for): Update.
489 (rewrite_into_ssa): Update.
490 * tree-complex.c (init_parameter_lattice_values): Update.
491 (update_complex_assignment): Update.
492 (update_parameter_components): Update.
493 (expand_complex_libcall): Update.
494 (expand_complex_operations_1): Update.
495 * tree-tailcall.c (arg_needs_copy_p): Update.
496 (add_virtual_phis): Update.
497 (tree_optimize_tail_calls_1): Update.
498 * tree-ssa-dse.c (memory_ssa_name_same): Update.
499 * tree-ssa-copyrename.c
500 (copy_rename_partition_coalesce): Update.
501 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
502 * tree-ssa-propagate.c (set_rhs): Update.
503 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
504 addressable_vars, global_var):Kill.
505 (set_initial_properties): Update.
506 (init_alias_info): Update.
507 (finalize_ref_all_pointers): Update.
508 (setup_pointers_and_addressables): Update.
509 (maybe_create_global_var): Update.
510 (create_global_var): Update.
511 (dump_points_to_info): Update.
512 * function.h (struct gimple_df): Forward declare.
513 (struct function): Add GIMPLE_DF field.
514 * gimplify.c (force_gimple_operand): Update.
515 * tree-dfa.c (referenced_vars, default_defs): KIll.
516 (make_rename_temp): Update.
517 (dump_variable): Update.
518 (referenced_var_lookup): Update.
519 (referenced_var_check_and_insert): Update.
520 (default_def): Rename to ...
521 (gimple_default_def): ... this one; accept cfun argument.
522 (set_default_def): Update.
523 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
524 (cleanup_control_flow): Update.
525 * tree-ssa-pre.c (compute_avail): Update
526 * tree-ssa-live.c (calculate_live_on_entry): Update.
527 * tree-ssa.c (verify_use): Update.
528 (verify_call_clobbering): Update.
529 (verify_call_clobbering): Update.
530 (init_tree_ssa): Update.
531 (delete_tree_ssa): Update.
532 * tree-outof-ssa.c (coalesce_ssa_name): Update.
533 (rewrite_out_of_ssa): Update.
534 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
535 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
537 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
538 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
539 addressable_vars, aliases_computed_p): Kill.
540 (default_def): Rename to...
541 (gimple_default_def): ... this one.
542 (defaule_def_fn): Kill.
543 (num_referenced_vars, ssa_names, num_ssa_names): Update.
544 * tree-ssa-structalias.c (nonlocal_all): Kill.
545 (get_constraint_exp_from_ssa_var): Update.
546 (create_nonlocal_var): Update.
547 (get_constraint_for): Update.
548 (update_alias_info): Update.
549 (find_global_initializers): Update.
550 (intra_create_variable_infos): Update.
551 (intra_create_variable_infos):
552 (find_what_p_points_to): Update.
553 (init_alias_heapvars): Update.
554 * tree-cfg.c (remove_bb): Update.
555 (gimplify_val): Update.
556 * tree-ssa-reassoc.c (get_rank): Update.
557 (init_reassoc): Update.
558 * tree-ssanames.c: Do not include gt-tree-ssanames.h
559 (ssa_names, free_ssanames): Kill.
560 (init_ssanames): Update.
561 (make_ssa_name): Update.
562 (release_ssa_name): Update.
563 (release_defs): Update.
564 (replace_ssa_name_symbol): Update.
565 * tree-ssa-operands.c (access_can_touch_variable): Update.
566 (add_virtual_operand): Update.
567 (add_call_clobber_ops): Update.
568 (add_call_read_ops): Update.
569 (get_call_expr_operands): Update.
570 (get_asm_expr_operands): Update.
572 2006-11-28 Jan Hubicka <jh@suse.cz>
574 * builtins.c: Include tree-flow.h.
575 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
576 assignment; convert memmove to memcpy for sizes greater than 1 where
577 alignment of operands prohibit the partial overlap.
579 2006-11-28 Jan Hubicka <jh@suse.cz>
581 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
582 * cgraph.c (dump_cgraph_node): Dump stack usage.
583 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
584 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
585 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
586 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
587 (cgraph_check_inline_limits): Limit stack growth.
588 * cfgexpand.c: Include tree-inline.h.
589 (account_stack_vars): New function.
590 (expand_one_var): New param to just account the stack; return estimated
592 (expand_used_vars_for_block): Update call of expand_one_var.
593 (account_used_vars_for_block): New function.
594 (estimated_stack_frame_size): Likewise.
595 (init_vars_expansion, fini_vars_expansion): Break out from..
596 (expand_used_vars): ... here.
597 * tree-inline.h (estimated_stack_frame_size): Declare.
598 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
600 2006-11-28 Richard Guenther <rguenther@suse.de>
602 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
603 unsigned long for printing OBJECT_SIZE.
605 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
607 * alias.c (init_alias_analysis): Remove simplification loop
608 after propagating pointers.
610 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
612 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
615 2006-11-27 Bob Wilson <bob.wilson@acm.org>
617 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
619 2006-11-27 Roger Sayle <roger@eyesopen.com>
620 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
622 * c-common.c (constant_fits_type_p): Delete.
623 (unsigned_conversion_warning): Delete.
624 (conversion_warning): Integrate Wconversion warning from
625 unsigned_conversion_warning.
626 (convert_and_check): Integrate Woverflow warning from
627 unsigned_conversion_warning. Reorganize and simplify to avoid
628 dependence upon the middle-end setting TREE_OVERFLOW on integral
629 conversions, by using int_fits_type_p directly.
631 2006-11-27 Tobias Burnus <burnus@net-b.de>
633 * doc/invoke.texi: Fixed typo.
635 2006-11-27 Michael Matz <matz@suse.de>
636 Andreas Krebbel <krebbel1@de.ibm.com>
639 * config/s390/predicates.md (larl_operand): Check addend of larl
640 operand to be in range of -/+2GB.
641 * config/s390/s390.c (legitimize_pic_address): Likewise.
642 Changed type of variable even to HOST_WIDE_INT.
644 2006-11-27 Jan Hubicka <jh@suse.cz>
646 * expr.c (emit_block_move_via_libcall): Export.
647 (clear_storage_via_libcall): Rename to ...
648 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
649 (clear_storage): Update to set_storage_via_libcall.
650 * expr.h (emit_block_move_via_libcall): Declare
651 * config/i386/i386.h (stringop_alg): New enum.
652 (MAX_STRINGOP_ALGS): New constant.
653 (stringop_algs): New struct.
654 (processor_costs): Add memcpy/memset descriptors.
655 (TARGET_REP_MOVEL_OPTIMAL): Remove.
656 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
657 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
659 * config/i386/i386.opt (minline-stringops-dynamically,
660 mstringop-strategy): New
662 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
663 (ix86_expand-clrmem): Rename to ...
664 (ix86_expand_setmem): ... this one; update prototype.
665 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
666 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
667 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
668 nocona_cost, core2_cost, generic_cost, generic64_cost,
669 generic32_cost): Add memcpy/memset descriptors.
670 (x86_rep_movl_optimal): Remove.
671 (stringop_alg): New static variable.
672 (ix86_expand_aligntest): Handle predictions.
673 (override_options): Add strgop_alg handling.
674 (predict_jump): New function.
675 (scale_counter): New function.
676 (expand_set_or_movmem_via_loop): New function.
677 (expand_movmem_via_rep_mov): New function.
678 (expand_setmem_via_rep_stots): New function.
679 (emit_strmov): New function.
680 (expand_movmem_epilogue): New function.
681 (expand_setmem_epilogue_via_loop): New function.
682 (expand_setmem_epilogue): New function.
683 (expand_movmem_prologue): New function.
684 (expand_setmem_prologue): New function.
685 (decide_alg): New function.
686 (decide_alignment): New function.
687 (ix86_exand_movmem): Rewrite.
688 (promote_duplicated_reg): New function.
689 (ix86_expand_clrmem): Rename to ...
690 (ix86_expand_setmem): ... this one. Rewrite.
692 * invoke.texi (minline-stringops-dynamically): New command line option.
693 (mstringop-strategy): Likewise.
695 2006-11-27 Jan Hubicka <jh@suse.cz>
697 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
698 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
699 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
700 * insn-notes.def (FUNCTION_END): Remove.
701 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
702 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
704 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
705 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
706 * cfglayout.c (duplicate_insn_chain): Don't worry about
709 2006-11-27 Richard Guenther <rguenther@suse.de>
710 Zdenek Dvorak <dvorakz@suse.cz>
712 * target.h (struct gcc_target): Add builtin_vectorized_function
714 * target-def.h (TARGET_VECTORIZE): Likewise.
715 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
716 Document new target hook.
717 * targhooks.h (default_builtin_vectorized_function): Declare.
718 * targhooks.c (default_builtin_vectorized_function): Define.
719 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
720 (vectorizable_call): Declare.
721 * tree-vect-analyze.c (vect_analyze_operations): Call
723 * tree-vect-transform.c (vectorizable_function): New static function.
724 (build_vectorized_function_call): Likewise.
725 (vectorizable_call): New function.
726 (vect_transform_stmt): Handle vectorizable calls.
728 2006-11-27 Richard Guenther <rguenther@suse.de>
731 * builtins.c (expand_builtin_pow): Optimize non integer valued
732 constant exponents using sqrt or cbrt if possible. Always fall back
733 to expanding via optabs.
735 2006-11-27 Ira Rosen <irar@il.ibm.com>
737 PR tree-optimization/22372
738 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
739 the type of the base address.
740 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
741 it in the data-ref pointer creation.
742 (vect_init_vector): Add an argument, type of the init vector. Use it in
744 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
745 (get_initial_def_for_reduction): Likewise.
746 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
748 (vectorizable_assignment, vect_permute_store_chain): Likewise.
749 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
750 correct type in stmt creation.
751 (vect_setup_realignment): Use the correct type in stmt creation.
752 (vect_permute_load_chain): Change type of MODIFY_EXPR to
754 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
755 of MODIFY_EXPR to void_type_node.
756 (vectorizable_condition): Change type of MODIFY_EXPR to
758 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
761 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
764 2006-05-08 Uros Bizjak <uros@kss-loka.si>
765 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
766 standard 80387 constants, raise the cost to prevent
767 compress_float_constant() to generate load from memory.
769 * config/i386/i386.md: Add new splitter pattern to split
770 float_extended load of constant from constant pool into
773 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
775 * doc/install.texi: Move GMP/MPFR configure options from Fortran
776 section to general section. Remove documentation for
777 --with-mpfr-dir and --with-gmp-dir, add documentation for
778 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
781 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
783 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
785 * testsuite/gcc.dg/ipa/ipa-6.c: New.
787 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
789 PR tree-optimization/29122
790 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
791 for the new version. Assign NULL to DECL_RTL of the new version.
793 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
795 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
797 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
799 * cse.c (cse_altered): Remove.
800 (record_jump_equiv): Make true/false argument a bool instead
802 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
803 where appropriate. Emit a new jump before the existing one
804 instead of after so that delete_insn_and_edges removes the
805 dead edges properly. Check any_condjump_p before calling
807 (cse_basic_block): Check any_condjump_p before calling
809 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
811 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
813 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
814 -ffixed-line-length-* options.
816 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
818 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
819 (fprem1xf4): Rename to fprem1xf4_i387.
821 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
822 Rename patterns to fmod<mode>3. Use general_operand operand
823 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
824 patterns for SSE math.
825 (remaindersf3, remainderdf3): Ditto.
827 2006-11-25 Joseph Myers <joseph@codesourcery.com>
829 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
830 inside start_sequence / end_sequence pair.
832 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
834 * jump.c (mark_all_labels): Work in cfglayout mode.
835 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
836 when in cfglayout mode, because there are no dead jumptables
838 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
840 (commit_edge_insertions): Do not allow insertion of instructions
841 with control flow insns when in cfglayout mode.
843 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
845 * tree-vrp.c (execute_vrp): Do not pass loops structure through
847 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
848 unswitch_loop): Ditto.
849 * tree-loop-linear.c (linear_transform_loops): Ditto.
850 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
851 tree_ssa_lim): Ditto.
852 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
853 free_numbers_of_iterations_estimates): Ditto.
854 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
855 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
856 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
857 remove_path, add_loop, loopify, unloop, fix_loop_placements,
858 place_new_loop, duplicate_loop, duplicate_subloops,
859 update_single_exit_for_duplicated_loops, copy_loops_to,
860 duplicate_loop_to_header_edge, create_preheaders,
861 force_single_succ_latches, loop_version, fix_loop_structure):
863 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
864 tree_unroll_loop): Ditto.
865 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
866 * tree-scalar-evolution.c (select_loops_exit_conditions,
867 scev_initialize, scev_analysis): Ditto.
868 * tree-scalar-evolution.h (scev_initialize): Ditto.
869 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
870 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
871 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
872 * modulo-sched.c (sms_schedule): Ditto.
873 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
874 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
875 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
876 * ifcvt.c (if_convert): Ditto.
877 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
878 canonicalize_loop_induction_variables,
879 canonicalize_induction_variables,
880 tree_unroll_loops_completely, remove_empty_loops): Ditto.
881 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
882 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
883 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
884 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
885 tree_ssa_loop_done): Ditto.
886 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
887 estimate_bb_frequencies): Ditto.
888 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
889 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
890 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
891 decide_unrolling_and_peeling, peel_loop_completely,
892 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
893 peel_loop_simple, unroll_loop_stupid): Ditto.
894 * loop-doloop.c (doloop_optimize_loops): Ditto.
895 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
896 * loop-invariant.c (move_loop_invariants): Ditto.
897 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
898 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
899 tree_ssa_prefetch_arrays): Ditto.
900 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
902 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
903 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
904 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
905 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
906 verify_loop_structure): Ditto.
907 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
908 canonicalize_induction_variables, tree_unroll_loops_completely,
909 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
910 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
911 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
912 tree_unroll_loop, linear_transform_loops): Declaration changed.
913 * basic-block.h: Remove declaration of struct loops.
914 * cfghooks.h (struct cfg_hooks): Change type of
915 cfg_hook_duplicate_loop_to_header_edge.
916 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
917 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
918 vect_transform_loop): Declaration changed.
919 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
920 * cfgloop.h (flow_loops_dump, fix_loop_structure,
921 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
922 cancel_loop_tree, create_preheaders, force_single_succ_latches,
923 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
924 loopify, loop_version, remove_path, unswitch_loops,
925 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
928 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
930 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
931 (X87MODEF): New mode macro.
932 (ssemodefsuffix): New mode attribute.
933 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
934 (sqrt_extend<mode>xf2_i387): New insn pattern.
935 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
936 insn and truncate result back to original mode using
937 UNSPEC_TRUNC_NOOP truncation.
938 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
939 ssemodefsuffix mode attribute.
940 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
941 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
942 (*sqrtextenddfxf2_i387): Remove insn patterns.
944 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
947 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
949 2006-11-24 Jakub Jelinek <jakub@redhat.com>
952 * c-tree.h (c_maybe_initialize_eh): New prototype.
953 * c-decl.c (finish_decl): Move EH initialization...
954 (c_maybe_initialize_eh): ... here. New function.
955 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
956 if not #pragma omp atomic.
959 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
960 or UNION_TYPE inner types.
962 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
965 * ipa-pure-const.c (check_tree): If the original tree
966 is volatile return early and say the function is not pure
967 nor const. Remove the volatile check for writes.
968 (analyze_function): Print out the result of the local
971 2006-11-24 Joseph Myers <joseph@codesourcery.com>
973 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
975 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
976 * config/rs6000/rs6000.c (rs6000_override_options): Use
977 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
980 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
982 * config/s390.c (s390_emit_compare_and_swap): New function.
983 (s390_expand_cs_hqi, s390_expand_atomic): Call
984 s390_emit_compare_and_swap.
986 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
988 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
990 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
994 * c-common.c (conversion_warning): New.
995 (convert_and_check): Call conversion_warning unless there is an
997 * doc/invoke.texi (-Wconversion): Update description.
999 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
1001 * tree-ssa-alias.c (tree_pointer_compare): New function.
1002 (compact_name_tags): New function.
1003 (group_aliases): Call compact_name_tags.
1005 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1007 * real.h (real_isinteger): Declare.
1008 * real.c (real_isinteger): Define.
1009 * builtins.c (integer_valued_real_p): Use it.
1011 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1014 * c.opt (Wtraditional-conversion): New.
1015 (Wconversion): Update description.
1016 * c-typeck.c (convert_arguments): Warnings for prototypes causing
1017 type conversions different from what would happen in the absence
1018 of prototype are now handled by Wtraditional-conversion.
1019 * doc/invoke.texi (Wtraditional-conversion): New.
1020 (Wconversion): Update description.
1021 * doc/trouble.texi (Wconversion): Replace Wconversion by
1022 Wtraditional-conversion.
1024 2006-11-23 Andrew Pinski <pinskia@gmail.com>
1026 * predict.c (tree_estimate_probability): Check to make
1027 sure current_loops is non null before calling flow_loops_dump.
1029 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1031 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
1033 2006-11-23 David Ung <davidu@mips.com>
1035 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
1037 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
1038 (ASM_SPEC): Pass along -mfp32 and -mfp64.
1039 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
1040 high part of FP register when in 64-bit FP register mode. Similarly
1041 use gen_mfhc1 to load high part of FP register.
1042 (override_options): Allow -mgp32 and -mfp64 combination if
1043 ISA_HAS_MXHC1 (currently for O32 only).
1044 (mips_cannot_change_mode_class): If floating-point registers are
1045 bigger than word size. disallow conversion of float register from a
1046 large integer mode to a float mode smaller than the float register
1048 (mips_class_max_nregs): Handle float registers case seperately.
1049 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
1051 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
1052 (movdf_hardfloat_32bit): Similarly.
1053 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
1054 support a full 64-bit fpu.
1055 (mthc1): New pattern to generate MTHC1 instruction.
1056 (mfhc1): New pattern to generate MFHC1 instruction.
1057 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
1058 option for the MIPS32R2 and mention its use under O32 ABI.
1060 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1062 * var-tracking.c (emit_note_insn_var_location): Take care not to
1063 cause verify_flow_info failures.
1065 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
1067 * tree-ssa-structalias.c: Remove edge weights in favor of just
1068 processing them as complex constraints.
1069 (struct constraint_graph): Remove weighted succs and preds. Rename
1070 nonweighted succs and preds.
1071 (constraint_edge): Removed.
1072 (constraint_edge_t): Ditto.
1073 (constraint_edge_pool): Ditto.
1074 (new_constraint_edge): Ditto.
1075 (constraint_edge_equal): Ditto.
1076 (constraint_edge_less): Ditto.
1077 (constraint_edge_vec_find): Ditto.
1078 (erase_self_graph_edge): Ditto.
1079 (add_graph_edge): Removed.
1080 (get_graph_weights): Ditto.
1081 (allocate_graph_weights): Ditto.
1082 (valid_weighted_graph_edge): Ditto
1083 (bitmap_other_than_zero_bit_set): Ditto.
1084 (int_add_graph_edge): Renamed to add_graph_edge.
1085 (clear_edges_for_node): Remove support for weighted edges.
1086 (merge_graph_nodes): Ditto.
1087 (valid_graph_edge): Ditto.
1088 (build_constraint_graph): Ditto.
1090 (collapse_nodes): Ditto.
1091 (process_unification_queue): Ditto.
1092 (topo_visit): Ditto.
1093 (do_ds_constraint): Ditto.
1094 (perform_var_subsitution): Ditto.
1095 (solve_graph): Ditto.
1096 (init_alias_vars): Ditto.
1097 (delete_points_to_sets): Ditto.
1098 (do_complex_constraint): Support offsetted copies here.
1100 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
1102 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
1104 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
1106 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
1109 2006-11-23 Ben Elliston <bje@au.ibm.com>
1111 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
1113 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
1115 PR tree-optimization/29921
1116 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
1117 signed and unsigned zero equal.
1119 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
1121 * config/rs6000/rs6000.c (get_store_dest): New.
1122 (adjacent_mem_locations): Use get_store_dest() to get
1123 the rtl of the store destination.
1125 2006-11-22 Joseph Myers <joseph@codesourcery.com>
1127 * config/rs6000/spe.md (SPE64): New mode macro.
1128 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
1130 (mov_si<mode>_e500_subreg0_2): New.
1131 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
1133 (mov_si<mode>_e500_subreg4_2): New.
1134 * config/rs6000/predicates.md (input_operand): Do not allow
1135 invalid E500 subregs.
1136 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
1138 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
1139 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
1140 involving vector modes if TARGET_SPE.
1142 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
1145 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1146 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1148 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
1150 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
1151 mem_i_address_operand): New predicates.
1152 * config/bfin/bfin.c (bfin_issue_rate): New function.
1153 (TARGET_SCHED_ISSUE_RATE): New macro.
1154 * config/bfin/bfin.md (addrtype): New attribute.
1155 (slot0, slot1, slot2, store, pregs): New cpu_units.
1156 (core): Now a define_reservation.
1157 (alu): Remove some insn types from this reservation.
1158 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
1160 (dummy reservation): Don't trigger for mcld insns.
1161 (absence_sets): Two new absence sets to enforce slot ordering.
1162 (popsi_insn): Set addrtype.
1164 2006-11-22 Ira Rosen <irar@il.ibm.com>
1166 * doc/c-tree.texi: Document new tree codes.
1167 * doc/md.texi: Document new optabs.
1168 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
1170 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
1171 * optabs.h (optab_index): Add new.
1172 (vec_extract_even_optab, vec_extract_odd_optab,
1173 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
1174 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1175 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1177 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1178 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1179 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1180 along with macros for their access.
1181 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1183 * tree-vect-analyze.c (toplev.h): Include.
1184 (vect_determine_vectorization_factor): Fix indentation.
1185 (vect_insert_into_interleaving_chain,
1186 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1187 (vect_analyze_data_ref_dependence): Add argument for interleaving
1188 check. Check for interleaving if it's true.
1189 (vect_check_dependences): New function.
1190 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1191 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1192 (vect_update_misalignment_for_peel): Update for interleaving.
1193 (vect_verify_datarefs_alignment): Check only first data-ref for
1195 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1196 only first data-ref for interleaving.
1197 (vect_analyze_data_ref_access): Check interleaving, update
1199 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1200 with different parameters.
1201 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1202 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1203 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1204 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1205 Update step in case of interleaving.
1206 (vect_strided_store_supported, vect_permute_store_chain): New
1208 (vectorizable_store): Handle strided stores.
1209 (vect_strided_load_supported, vect_permute_load_chain,
1210 vect_transform_strided_load): New functions.
1211 (vectorizable_load): Handle strided loads.
1212 (vect_transform_stmt): Add argument. Handle strided stores. Check
1213 that vectorized stmt exists for patterns.
1214 (vect_gen_niters_for_prolog_loop): Update calculation for
1216 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1217 whole chain vectorization.
1218 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1219 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1220 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1221 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1222 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1224 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1226 * cse.c (enum taken): Remove PATH_AROUND.
1227 (addr_affects_sp_p, invalidate_skipped_set,
1228 invalidate_skipped_block): Remove.
1229 (cse_end_of_basic_block): Remove skip_blocks and related code.
1230 (cse_main): Don't test for flag_cse_skip_blocks.
1231 Update cse_end_of_basic_block call.
1232 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1233 code to lengthen the path if a jump was simplified.
1235 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1237 PR rtl-optimization/29924
1238 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1239 (unroll_loop_runtime_iterations): Assert that the argument passed to
1240 split_edge_and_insert is not NULL.
1241 * loop-doloop.c (add_test): Ditto.
1243 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1245 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1247 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1248 * cfgloopmanip.c (update_single_exits_after_duplication,
1249 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1250 * tree-scalar-evolution.c (get_loop_exit_condition,
1251 get_exit_conditions_rec, loop_closed_phi_def,
1252 number_of_iterations_in_loop, scev_const_prop): Ditto.
1253 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1254 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1256 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1258 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1259 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1260 slpeel_make_loop_iterate_ntimes,
1261 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1262 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1264 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1265 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1266 vect_analyze_loop_form): Ditto.
1267 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1268 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1269 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1270 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1271 vect_transform_loop): Ditto.
1272 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1273 (single_exit, set_single_exit): New functions.
1274 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1275 (single_exit, set_single_exit): Declare.
1276 * doc/loop.texi: Undocument single_exit field. Document single_exit
1279 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1281 PR tree-optimization/29902
1282 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1283 any involved ssa name appears in abnormal phi node.
1285 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1287 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1288 (xtensa_const_ok_for_letter_p): Delete.
1289 (xtensa_extra_constraint): Delete.
1290 (override_options): Delete xtensa_char_to_class initialization.
1291 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1292 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1293 (EXTRA_CONSTRAINT): Delete.
1294 * config/xtensa/xtensa.md: Include constraints.md.
1295 (call_internal): Combine alternatives.
1296 (call_value_internal): Likewise, and remove invalid constraints.
1297 * config/xtensa/constraints.md: New file.
1298 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1299 (xtensa_extra_constraint): Delete.
1300 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1303 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1305 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1306 of conversion that doesn't fit.
1308 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1309 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1310 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1312 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1314 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1316 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1318 2006-11-21 Richard Guenther <rguenther@suse.de>
1320 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1321 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1322 vect_recog_pow_pattern.
1323 (vect_recog_pow_pattern): New function.
1325 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1327 * config/bfin/bfin.opt (mstack-check-l1): New.
1328 * doc/invoke.texi (Blackfin Options): Document it.
1329 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1330 stack bounds in L1 memory if the new option is enabled.
1331 (override_options): Don't allow combinations of -fstack-limit and
1333 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1336 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1338 (bfin_register_move_cost): Bump costs if trying to move plain
1339 integer values through accumulators.
1341 2006-11-21 Ben Elliston <bje@au.ibm.com>
1343 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1345 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1346 Russell Olsen <Russell_Olsen@playstation.sony.com>
1347 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1348 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1349 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1350 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1351 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1353 * config.gcc: Add target for SPU.
1354 * config/spu/constraints.md: New file.
1355 * config/spu/crt0.c: New file.
1356 * config/spu/crtend.c: New file.
1357 * config/spu/crti.asm: New file.
1358 * config/spu/crtn.asm: New file.
1359 * config/spu/float_unsdidf.c: New file.
1360 * config/spu/float_unssidf.c: New file.
1361 * config/spu/predicates.md: New file.
1362 * config/spu/spu-builtins.def: New file.
1363 * config/spu/spu-builtins.h: New file.
1364 * config/spu/spu-builtins.md: New file.
1365 * config/spu/spu-c.c: New file.
1366 * config/spu/spu-elf.h: New file.
1367 * config/spu/spu-modes.def: New file.
1368 * config/spu/spu-protos.h: New file.
1369 * config/spu/spu.c: New file.
1370 * config/spu/spu.h: New file.
1371 * config/spu/spu.md: New file.
1372 * config/spu/spu.opt: New file.
1373 * config/spu/spu_internals.h: New file.
1374 * config/spu/spu_intrinsics.h: New file.
1375 * config/spu/spu_mfcio.h: New file.
1376 * config/spu/t-spu-elf: New file.
1377 * config/spu/vec_types.h: New file.
1378 * config/spu/vmx2spu.h: New file.
1379 * doc/contrib.texi: Document SPU contributor.
1380 * doc/extend.texi: Document SPU extensions.
1381 * doc/invoke.texi: Document SPU options.
1382 * doc/md.texi: Document SPU constraints.
1384 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1386 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1388 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1390 (flow_loop_dump): Do not dump loop level.
1391 (flow_loops_find): Do not call flow_loops_level_compute.
1392 * cfgloop.h (struct loop): Remove level field.
1394 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1396 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1397 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1398 Use vector of edges instead of array.
1399 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1400 estimate_numbers_of_iterations_loop): Ditto.
1401 * predict.c (predict_loops): Ditto.
1402 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1403 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1405 * basic-block.h: Declare heap allocation for edge vectors.
1406 * tree-outof-ssa.c: Ditto.
1407 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1408 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1410 2006-11-20 Zack Weinberg <zackw@panix.com>
1412 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1413 Add another out parameter, "skip".
1414 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1415 is tagged "skip", do not mark its type used.
1417 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1420 * tree-sra.c (single_scalar_field_in_record_p): New function.
1421 (decide_block_copy): Use it.
1423 2006-11-20 David Daney <ddaney@avtrex.com>
1425 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1426 PC to point to following instruction.
1428 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1432 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1434 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1436 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1438 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1439 Add sh/superh.h to tm_file.
1441 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1442 Mark Mitchell <mark@codesourcery.com>
1444 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1446 (cpp_relocated): New function.
1447 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1449 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1450 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1451 replace configured prefix with gcc_exec_prefix.
1453 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1455 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1456 bfin_legitimate_constant_p.
1457 * config/bfin/bfin.md (movsi expander): Check return value of
1459 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1460 (expand_move): Adjust prototype.
1461 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1462 invalid constants specially.
1463 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1465 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1467 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1468 sibcall_value_symbol): Allow these patterns if
1469 TARGET_LEAF_ID_SHARED_LIBRARY.
1470 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1471 (override_options): Turn on id shared library flags if -msep-data,
1472 but disallow the combination of these options on the command line.
1473 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1474 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1475 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1476 -mid-shared-library.
1477 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1478 * doc/invoke.texi (Blackfin Options): Document new switches.
1480 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1481 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1483 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1484 inflate costs for addresses with an out-of-bounds address.
1486 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1489 * fwprop.c (loops): Remove.
1490 (forward_propagate_into): Use current_loops instead of
1492 (fwprop_init): Call loop_optimizer_init instead of
1494 (fwprop_done): Call loop_optimizer_finalize instead of
1496 (fwprop): Use current_loops instead of loops.
1498 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1501 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1503 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1506 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1507 larger than BITS_PER_WORD.
1509 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1513 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1514 to MAX_FIXED_MODE_SIZE.
1516 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1518 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1519 (fold_builtin_fmin_fmax): New.
1520 (fold_builtin_1): Use it.
1522 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1524 2006-11-18 Richard Guenther <rguenther@suse.de>
1526 * config/i386/i386.c (ix86_builtins): New array for ix86
1527 builtin function decls.
1528 (def_builtin): New function.
1529 (def_builtin_const): Likewise.
1530 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1532 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1534 * doc/invoke.texi (core2): Add item.
1536 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1538 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1539 (TARGET_CPU_DEFAULT_generic): Change value.
1540 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1541 (processor_type): Add new constant PROCESSOR_CORE2.
1543 * config/i386/i386.md (cpu): Add core2.
1545 * config/i386/i386.c (core2_cost): New initialized variable.
1546 (m_CORE2): New macro.
1547 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1548 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1549 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1550 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1551 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1552 x86_accumulate_outgoing_args, x86_prologue_using_move,
1553 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1554 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1555 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1556 x86_pad_returns): Add m_CORE2.
1557 (override_options): Add entries for Core2.
1558 (ix86_issue_rate): Add case for Core2.
1560 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1562 * doc/invoke.texi: Fix mno-isel typo.
1564 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1566 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1567 easy vector constant loads.
1569 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1571 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1572 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1573 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1574 * config/rs6000/sync.md (lwsync): Emit plain sync if
1577 2006-11-17 DJ Delorie <dj@redhat.com>
1579 * reload1.c (reloads_unique_chain): New.
1580 (reloads_conflict): Call it.
1582 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1584 * config/xtensa/predicates.md (addsubx_operand): New.
1585 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1586 (xtensa_emit_bit_branch): New.
1587 (xtensa_emit_movcc): New.
1588 * config/xtensa/xtensa.md (any_minmax): New code macro.
1589 (minmax): New code attribute.
1590 (any_cond, any_scc, any_scc_sf): New code macros.
1591 (*addx2, *addx4, *addx8): Delete.
1593 (*subx2, *subx4, *subx8): Delete.
1595 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1596 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1597 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1598 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1599 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1600 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1601 (movsfcc_internal0, movsfcc_internal1): Likewise.
1602 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1603 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1604 (xtensa_emit_bit_branch): New.
1605 (xtensa_emit_movcc): New.
1606 (function_arg_boundary): Add missing prototype.
1608 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1610 * config/xtensa/xtensa.md (tstsi): Delete
1612 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1614 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1616 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1618 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1620 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1622 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1624 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1626 * tree-vrp.c (execute_vrp): Do not update current_loops.
1627 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1628 * doc/loop.texi: Remove documentation for cancelled functions.
1629 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1630 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1632 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1633 (remove_path): Ensure that in delete_basic_blocks, the loops
1634 are still allocated.
1635 (add_loop): Work on valid loop structures.
1636 (loopify): Modify call of add_loop.
1637 (mfb_update_loops): Removed.
1638 (create_preheader): Do not update loops explicitly.
1639 (force_single_succ_latches, loop_version): Do not use
1640 loop_split_edge_with.
1641 (loop_split_edge_with): Removed.
1642 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1643 Do not use bsi_insert_on_edge_immediate_loop.
1644 (split_loop_exit_edge, tree_unroll_loop): Do not use
1645 loop_split_edge_with.
1646 (bsi_insert_on_edge_immediate_loop): Removed.
1647 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1648 use loop_split_edge_with.
1649 * cfghooks.c: Include cfgloop.h.
1650 (verify_flow_info): Verify that loop_father is filled iff current_loops
1652 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1653 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1655 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1657 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1658 loop_split_edge_with.
1659 (sms_schedule): Use current_loops.
1660 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1661 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1663 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1664 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1665 * ifcvt.c (if_convert): Ditto.
1666 * predict.c (predict_loops): Do not clear current_loops.
1667 (tree_estimate_probability): Use current_loops.
1668 (propagate_freq): Receive head of the region to propagate instead of
1670 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1671 (estimate_loops): New function. Handle case current_loops == NULL.
1672 (estimate_bb_frequencies): Do not allocate tovisit. Use
1674 * tree-ssa-loop.c (current_loops): Removed.
1675 (tree_loop_optimizer_init): Do not return loops.
1676 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1677 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1678 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1679 Do not update loops explicitly.
1680 * function.h (struct function): Add x_current_loops field.
1681 (current_loops): New macro.
1682 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1683 * loop-unroll.c (split_edge_and_insert): New function.
1684 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1685 use loop_split_edge_with.
1686 * loop-doloop.c (add_test, doloop_modify): Ditto.
1687 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1688 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1689 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1690 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1692 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1693 (flow_loops_free): Do not free dfs_order and rc_order.
1694 (flow_loops_find): Do not set dfs_order and rc_order in loops
1695 structure. Do not call loops and flow info verification.
1696 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1697 already belongs to some loop.
1698 * cfgloop.h (struct loops): Remove struct cfg.
1699 (current_loops, loop_split_edge_with): Declaration removed.
1700 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1701 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1702 Declaration removed.
1703 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1704 * basic-block.h (split_edge_and_insert): Declare.
1705 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1707 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1709 PR tree-optimization/29801
1710 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1711 (get_default_value): Use get_symbol_constant_value.
1712 (set_lattice_value): ICE when the value of the constant is
1714 (visit_assignment): Ignore VDEFs of read-only variables.
1716 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1718 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1720 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1721 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1723 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1725 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1726 select subvars of var.
1728 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1731 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1732 optimize if DEF doesn't have integral type.
1734 2006-11-16 Mike Stump <mrs@apple.com>
1736 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1737 pre-darwin9 system, unless the user asks for it directly.
1738 (PREFERRED_DEBUGGING_TYPE): Likewise.
1739 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1740 * config.gcc: Add suppport for darwin9.h.
1741 * config/darwin9.h: Add.
1742 * doc/install.texi (Specific): Clarify darwin documentation.
1744 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1746 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1747 optimizing for size.
1749 2006-11-16 Mike Stump <mrs@apple.com>
1751 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1753 2006-11-16 Dirk Mueller <dmueller@suse.de>
1755 * tree-vrp.c (get_value_range): Use XCNEW instead
1757 (insert_range_assertions): Use XCNEWVEC instead
1758 of XNEWVEC and memset.
1759 (vrp_initialize): Same.
1760 (vrp_finalize): Same.
1761 * tree-ssa-ccp.c (ccp_initialize): Same.
1762 * predict.c (tree_bb_level_predictions): Same.
1763 * calls.c (expand_call): Same.
1764 * tree-ssa-copy.c (init_copy_prop): Same.
1765 (fini_copy_prop): Same.
1766 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1767 of GGC_NEW and memset.
1769 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1772 * gimplify.c (gimplify_expr): Only force a load for references to
1773 non-BLKmode volatile values.
1774 * doc/implement-c.texi (Qualifiers implementation): Document the
1775 interpretation of what a volatile access is.
1776 * doc/extend.texi (C++ Extensions): Rework same documentation.
1778 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1780 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1783 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1785 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1787 (arm_neg_abssi2): Renamed from neg_abssi2.
1788 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1790 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1792 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1793 number of arguments passed to local functions in SSE registers is 3.
1795 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1796 number of arguments passed in SSE registers to 3.
1798 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1801 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1803 (get_last_bb_insn): ... new global function.
1804 (basic_block.h): Declare it.
1805 * haifa-sched.c (create_recovery_block): Use it.
1807 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1810 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1812 2006-11-15 Paul Brook <paul@codesourcery.com>
1814 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1815 _Unwind_GetTextRelBase): Move from here ...
1816 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1817 _Unwind_GetTextRelBase): ... To here.
1819 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1821 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1822 addresses we generate for testing are aligned.
1824 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1827 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1828 to what is the const decl is a place holder for.
1830 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1832 * config/i386/i386.opt: New target option -mx87regparm.
1834 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1835 and float_in_x87 variables. mmx_words, sse_words: Remove.
1836 (X87_REGPARM_MAX): Define.
1838 * config/i386/i386.c (override_options): Error out for
1839 -mx87regparm but no 80387 support.
1840 (ix86_attribute_table): Add x87regparm.
1841 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1842 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1843 (ix86_function_x87regparm): New function.
1844 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1846 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1848 (function_arg_advance): Process x87_nregs and x87_regno when
1849 floating point argument is to be passed in 80387 register.
1850 (function_arg): Pass XFmode arguments in 80387 registers for local
1851 functions. Pass SFmode and DFmode arguments to local functions
1852 in 80387 registers when flag_unsafe_math_optimizations is set.
1854 * reg-stack.c (convert_regs_entry): Disable NaN load for
1855 stack registers that are used for argument passing.
1857 * doc/extend.texi: Document x87regparm function attribute.
1858 * doc/invoke.texi: Document -mx87regparm.
1860 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1862 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1863 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1864 arg MODE; all callers changed. Use it to determine validity per
1865 machine mode instead of using Pmode for all memory references.
1866 (get_address_cost): Likewise add and use new arg MEM_MODE.
1868 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1869 J"orn Rennecke <joern.rennecke@st.com>
1871 * combine.c (likely_spilled_retval_1): Fix masking operation.
1872 (likely_spilled_retval_p): Use proper pattern for call to
1873 likely_spilled_retval_1.
1875 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1877 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1879 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1880 that tests for CONSTANT_POOL_ADDRESS_P.
1882 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1884 PR tree-optimization/29581
1885 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1886 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1887 type is different between Y and USE, create a temporary
1888 variable, initialize it at the beginning of the body bb
1889 and use it as replacement instead of Y.
1891 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1894 * gimplify.c (fold_indirect_ref_rhs): Use
1895 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1897 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1899 * expmed.c (emit_store_flag_1): New function.
1900 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1902 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1903 Use do_compare_rtx_and_jump.
1904 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1905 * arm.md (cstoresi4): New define_expand.
1906 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1907 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1908 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1910 2006-11-14 Caroline Tice <ctice@apple.com>
1912 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1913 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1915 (pubname_table): Redefine as a vector.
1916 (pubtype_table): New static global variable, defined as a vector.
1917 (pubname_table_allocated): Remove static global variable.
1918 (pubname_table_in_use): Remove static global variable.
1919 (PUBNAME_TABLE_INCREMENT): Remove constant.
1920 (size_of_pubnames): Add parameter to deal with either pubnames or
1921 pubtypes, and change code to deal with table being a vector.
1922 (add_pubname): Change to deal with table being a vector.
1923 (add_pubtype): New function.
1924 (output_pubnames): Add parameter to deal with either pubnames or
1925 pubtypes, and change code to deal with table being a vector.
1926 (gen_array_type_die): Add call to add_pubtype.
1927 (gen_enumeration_type_die): Add call to add_pubtype.
1928 (gen_struct_or_union_type_die): Add call to add_pubtype.
1929 (gen_subroutine_type_die): Add call to add_pubtype.
1930 (gen_typedef_die): Add call to add_pubtype.
1931 (dwarf2out_init): Add code to initialize pubname_table and
1932 pubtype_table vectors; also initialize debug_pubtypes_section.
1933 (prune_unused_types): Change to deal with pubnames being a vector.
1934 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1935 pubnames table to call to output_pubnames; Add code to output pubtypes
1936 table if DEBUG_PUBTYPES_SECTION is defined.
1937 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1939 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1941 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1943 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1944 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1945 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1946 movv2si_internal): Support moves between core registers.
1948 2006-11-14 Eric Christopher <echristo@apple.com>
1950 * configure: Regenerate with autoconf 2.59.
1952 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1954 Fix PR tree-optimization/27755
1956 * tree-ssa-pre.c: Update comments.
1957 (bb_bitmap_sets): Add pa_in and deferred member.
1958 (BB_DEFERRED): New macro.
1959 (maximal_set): New variable.
1960 (pre_stats): Add pa_insert member.
1961 (bitmap_set_and): Short circuit orig == dest.
1962 (bitmap_set_subtract_values): New function.
1963 (bitmap_set_contains_expr): Ditto.
1964 (translate_vuses_through_block): Add phiblock argument.
1965 (dependent_clean): New function.
1966 (compute_antic_aux): Update for maximal_set changes.
1967 (compute_partial_antic_aux): New function.
1968 (compute_antic): Handle partial anticipation.
1969 (do_partial_partial_insertion): New function.
1970 (insert_aux): Handle partial anticipation.
1971 (add_to_sets): Add to maximal set.
1972 (compute_avail): Ditto.
1973 (init_pre): Initialize maximal_set.
1974 (execute_pre): Do partial anticipation if -O3+.
1976 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1978 PR rtl-optimization/29798
1980 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1981 TARGET_INSN before any other check.
1982 (fwprop_init): Always calculate dominators.
1983 (fwprop_done): Always free them.
1985 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1987 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1990 2006-11-13 DJ Delorie <dj@redhat.com>
1992 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1993 temporary for intermediates.
1995 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1997 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1998 (sh_optimize_target_register_callee_saved): #if 0 the code
1999 using NOTE_INSN_LOOP_{BEG,END}.
2001 2006-11-13 Roger Sayle <roger@eyesopen.com>
2003 * fold-const.c (optimize_bit_field_compare): Recursively call
2004 fold when simplifying non-constant comparisons between bit-fields.
2006 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2008 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
2010 * configure: Rebuilt.
2012 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
2014 * config/rs6000/cell.md: New file.
2015 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
2017 (ppccell_cost): New cost matrix.
2018 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
2019 (rs6000_override_options): Set rs6000_always_hint to false
2020 for cell. Also align functions/lables/loops to 8byte
2021 for the Cell. Use PROCESSOR_CELL.
2022 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
2023 using_mtcr_multiple.
2024 (rs6000_variable_issue): If the insn is a nonpipelined instruction
2025 on the Cell, return 0.
2026 (rs6000_adjust_cost): Add Cell cost adjustments.
2027 (is_microcoded_insn): Return true for Cell microcoded
2029 (is_nonpipeline_insn): New function.
2030 (rs6000_issue_rate): Add PROCESSOR_CELL.
2031 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
2033 (rs6000_use_sched_lookahead_guard): New function.
2034 (rs6000_sched_reorder): Reorder the ready list, if the second
2035 to last ready insn is a nonepipeline insn on the Cell.
2036 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
2037 (ASM_CPU_SPEC): Add Cell.
2038 * config/rs6000/rs6000.md (cpu): Add Cell.
2039 (cell_micro): New Attr.
2042 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2044 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
2046 * configure: Rebuilt.
2048 2006-11-13 Richard Guenther <rguenther@suse.de>
2050 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
2052 (ix86_expand_lfloorceil): Likewise.
2053 (ix86_expand_rint): Likewise.
2054 (ix86_expand_floorceildf_32): Likewise.
2055 (ix86_expand_floorceil): Likewise.
2056 (ix86_expand_rounddf_32): Likewise.
2057 (ix86_expand_truncdf_32): Likewise.
2058 (ix86_expand_round): Likewise.
2060 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
2061 Mark Mitchell <mark@codesourcery.com>
2063 * gcc.c: Organize search path variables into $prefix relative,
2064 and well-known native. Add comments.
2065 (add_sysrooted_prefix): Add comment.
2066 (process_command): If !gcc_exec_prefix add $prefix based paths.
2067 If *cross_compile == '0', add native well-known paths.
2068 Assert tooldir_base_prefix is always relative.
2069 (main): If print_search_dirs, and if gcc_exec_prefix is set,
2070 use this value for 'install:' path.
2071 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
2073 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2075 * config/i386/i386.c: Fix a typo in comment.
2077 2006-11-13 Michael Matz <matz@suse.de>
2079 * genemit.c (gen_expand): Allocate enough memory.
2081 2006-11-13 Joseph Myers <joseph@codesourcery.com>
2083 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
2084 __GXX_TYPEINFO_EQUALITY_INLINE but not
2085 __GXX_MERGED_TYPEINFO_NAMES.
2086 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
2087 __GXX_MERGED_TYPEINFO_NAMES.
2088 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
2089 __GXX_TYPEINFO_EQUALITY_INLINE.
2091 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2092 Zdenek Dvorak <dvorakz@suse.cz>
2094 PR tree-optimization/29680
2095 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
2098 2006-11-12 Jason Merrill <jason@redhat.com>
2099 Andrew Pinski <pinskia@physics.uc.edu>
2102 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
2104 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
2106 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
2107 * tree.c (build_vector): Handle non-_CST elements.
2109 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2111 * genemit.c (gen_insn): Call gen_exp with a non-null used
2112 when handling multiple insns.
2113 (gen_expand): Likewise.
2114 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2115 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
2116 (movsi_const_16bit+1): Copy operands[1].
2117 (call_pcrel): Copy the call_site pattern.
2118 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
2120 2006-11-12 Roger Sayle <roger@eyesopen.com>
2122 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
2123 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
2124 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
2125 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
2127 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
2129 Fix PR tree-optimization/29587
2130 * tree-ssa-structalias.c (process_constraint): Don't
2131 mark address taken due only to escaped vars constraint.
2133 2006-11-12 Michael Matz <matz@suse.de>
2134 Roger Sayle <roger@eyesopen.com>
2136 PR rtl-optimization/29797
2137 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
2138 BITS_BIG_ENDIAN targets.
2140 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2142 * builtins.c (fold_builtin_cosh): New.
2143 (fold_builtin_1): Use it.
2144 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
2145 trunc to the list of "odd" functions. Also add llrint, lrint,
2146 rint and nearbyint when flag_rounding_math is false.
2148 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2150 * tree-flow.h (name_mappings_registered_p): Declare.
2151 * tree-into-ssa.c (name_mappings_registered_p): New function.
2152 * tree-cfg.c (tree_can_merge_blocks_p): Check
2153 name_mappings_registered_p instead of need_ssa_update_p.
2155 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2157 * tree-ssa-loop.c (tree_vectorize): Return the result of
2159 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
2160 if anything changed.
2161 * tree-vectorizer.h (vectorize_loops): Declaration removed.
2162 * tree-flow.h (vectorize_loops): Declaration changed.
2164 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2166 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
2168 (issue_prefetch_ref): Move assignment to write_p out of loop.
2169 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
2170 SIMULTANEOUS_PREFETCHES into account.
2171 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
2172 * lambda-code.c (lcm): Renamed to ...
2173 (least_common_multiple): ... and exported.
2174 * tree-flow.h (least_common_multiple): Declare.
2176 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2178 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2179 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2180 ud-chains. Handle AND_EXPR.
2181 (record_estimate): Record whether the estimate is realistic
2182 and whether it is derived from a loop exit.
2183 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2184 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2186 (compute_estimated_nb_iterations): Take only realistic bounds into
2187 account. Set estimate_state. Use double_ints.
2188 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2189 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2190 that do not have to be always executed.
2191 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2192 to determine whether to call infer_loop_bounds_from_undefined
2193 and compute_estimated_nb_iterations.
2194 (n_of_executions_at_most): Use double_ints.
2195 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2196 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2197 * double-int.c (double_int_to_tree): Improve comment.
2198 (double_int_fits_to_tree_p): New function.
2199 * double-int.h (double_int_fits_to_tree_p): Declare.
2200 * tree-data-ref.c: Include langhooks.h.
2201 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2202 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2203 (analyze_array): Do not pass estimate_only argument to
2204 analyze_array_indexes.
2205 (get_number_of_iters_for_loop): Build tree from the stored double_int
2207 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2208 (find_data_references_in_loop): Use find_data_references_in_stmt.
2209 * tree-data-ref.h (struct data_ref_loc_d): New.
2210 (get_references_in_stmt): Declare.
2211 (estimate_iters_using_array): Declaration removed.
2212 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2213 double_int. Improve comments. Add is_exit and realistic
2215 (struct loop): Changed type of estimated_nb_iterations to double_int.
2216 Added estimate_state field.
2217 (record_estimate): Declaration removed.
2219 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2221 * params.c (set_param_value): Initialize the "set" field.
2222 * params.h (struct param_info): Add "set" field.
2223 (PARAM_SET_P): New macro.
2224 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2225 L1_CACHE_LINE_SIZE): New macros.
2226 * toplev.c (DEFPARAM): Initialize the "set" field.
2227 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2228 SIMULTANEOUS_PREFETCHES): Removed.
2229 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2230 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2231 * config/sparc/sparc.c: Include params.h.
2232 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2233 L1_CACHE_LINE_SIZE parameters.
2234 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2236 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2238 * config/i386/i386.c: Include params.h.
2239 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2240 (override_options): Set SIMULTANEOUS_PREFETCHES and
2241 L1_CACHE_LINE_SIZE parameters.
2242 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2243 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2244 L1_CACHE_LINE_SIZE parameters.
2245 * config/ia64/ia64.c (ia64_optimization_options): Set
2246 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2247 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2249 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2250 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2251 * doc/invoke.texi: Document new params.
2253 2006-11-12 Roger Sayle <roger@eyesopen.com>
2255 PR tree-optimization/13827
2256 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2259 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2261 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2262 update_single_exit_for_duplicated_loops): New functions.
2263 (duplicate_loop_to_header_edge): Use
2264 update_single_exit_for_duplicated_loops.
2265 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2266 functions only with ENABLE_CHECKING.
2268 2006-11-12 Andreas Schwab <schwab@suse.de>
2270 * except.c (sjlj_emit_function_enter): Remove unused variable.
2272 2006-11-11 Roger Sayle <roger@eyesopen.com>
2274 * fold-const.c (int_binop_types_match_p): New function.
2275 (size_binop): Relax constraint that both arguments must both have
2276 exactly the same sizetype type. Instead use int_binop_types_match_p.
2277 (size_diffop): Likewise.
2279 (make_range): Use build_int_cst instead of fold_convert.
2280 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2281 integer constants of the correct type.
2282 (fold_div_compare): Likewise.
2283 (fold_single_bit_test): Likewise.
2284 (fold_binary): Likewise.
2285 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2286 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2288 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2291 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2292 non null value if the struct memory access is in the 0th
2295 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2298 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2299 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2302 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2303 instead of builtin_define for bfin and BFIN.
2305 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2307 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2310 2006-11-11 Jan Hubicka <jh@suse.cz>
2312 * extend.texi (__builtin_expect): We no longer require second argument
2314 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2315 * builtins.c (expand_builtin_expect): Simplify.
2316 (expand_builtin_expect_jump): Kill.
2317 * final.c (final_scan_insn): Do not skip the removed notes.
2318 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2319 EXPECTED_VALUE): Remove.
2320 * dojump.c (do_jump): Do not care about __builtin_expect.
2321 * predict.c (expected_value_to_br_prob): Kill.
2322 * function.c (expand_function_end): Do not expand
2323 NOTE_INSN_REPEATED_LINE_NUMBER.
2324 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2325 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2326 * cfgexpand.c (add_reg_br_prob_note): Export.
2327 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2328 expected_value_to_br_prob.
2329 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2330 * rtl.h (add_reg_br_prob_note): Declare.
2332 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2334 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2336 2006-11-11 Jan Hubicka <jh@suse.cz>
2338 * predict.c (predict_loops): Kill RTL variant.
2340 2006-11-11 Jan Hubicka <jh@suse.cz>
2342 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2343 * modulo-sched.c (find_line_note): Remove.
2344 (loop_canon_p): Do not worry about line number notes.
2345 (sms_schedule): Likewise.
2346 * cse.c (cse_main): Likewise.
2347 * regmove.c (fixup_match_1): Likewise
2348 * function.c (emit_return_info_block): Likewise.
2349 (expand_function_end): Likewise.
2350 (thread_prologue_an_epilogue_insns): Likewise.
2351 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2353 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2354 emit_note_copy_after): Kill.
2355 (emit_note_copy): Do not worry about line numbers.
2356 * jump.c (purge_line_number_notes): Kill.
2357 (pass_purge_lineno_notes): Kill.
2358 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2360 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2361 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2362 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2363 * tree-pass.h (pass_purge_lineno_notes): Kill.
2364 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2365 rm_redundant_line_notes.
2366 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2367 rm_redundant_line_notes.
2368 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2369 * haifa-sched.c: Update comment about handling notes.
2370 (unlink_line_notes): Kill.
2371 (rm_line_notes): Kill.
2372 (save_line_notes): Simplify.
2373 (rm_redundant_line_notes): Kill.
2375 2006-11-11 Richard Guenther <rguenther@suse.de>
2377 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2378 Remove unused tree codes.
2379 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2380 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2381 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2382 * tree.c (stabilize_reference): Likewise.
2383 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2384 fold_unary): Likewise.
2385 * tree-gimple.c (is_gimple_cast): Likewise.
2386 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2387 * expr.c (expand_expr_real_1): Likewise.
2388 * tree-eh.c (tree_could_trap_p): Likewise.
2389 * gimplify.c (gimplify_expr): Likewise.
2390 * tree-inline.c (estimate_num_insns_1): Likewise.
2391 * tree-cfg.c (verify_expr): Likewise.
2393 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2395 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2396 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2397 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2399 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2402 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2403 constraints accept neither registers or memories.
2405 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2407 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2408 (NO_PROFILE_COUNTERS): Define as 1.
2410 2006-11-10 Roger Sayle <roger@eyesopen.com>
2412 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2413 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2415 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2417 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2419 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2421 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2422 (fold_builtin_hypot): Likewise.
2423 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2425 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2427 2006-11-10 Roger Sayle <roger@eyesopen.com>
2429 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2430 when attempting to build INTEGER_CSTs of non-integral types.
2431 * expmed.c (make_tree): Use the correct type, i.e. the inner
2432 type, when constructing the individual elements of a CONST_VECTOR.
2434 2006-11-10 Jan Hubicka <jh@suse.cz>
2436 * cse.c (cse_process_notes): Copy the propagated value.
2437 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2439 * gcse.c (try_replace_reg): Copy the replacement.
2440 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2441 (assign_386_stack_local): Always return copied memory expression
2442 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2445 2006-11-10 Jan Hubicka <jh@suse.cz>
2447 * final.c (final): Walk from first instruction.
2448 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2450 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2453 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2455 (umulv8hi3_highpart): Ditto.
2456 (vec_widen_smult_hi_v8hi): New expander.
2457 (vec_widen_smult_lo_v8hi): Ditto.
2459 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2462 * builtins.c (do_mpfr_arg3): New.
2463 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2465 2006-11-09 Eric Christopher <echristo@apple.com>
2470 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2471 * config.gcc (powerpc64-*-darwin*): New target.
2472 * config.host: Ditto.
2473 * config/rs6000/darwin64.h: New file.
2474 * config/rs6000/x-darwin64: Ditto.
2475 * config/rs6000/host-ppc64-darwin.c: Ditto.
2477 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2479 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2480 routines for integer division.
2482 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2484 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2486 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2489 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2491 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2493 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2494 simplify_subreg with BLKmode outer mode.
2496 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2498 * doc/invoke.texi: Minor formatting fixes in option lists.
2500 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2502 PR tree-optimization/29738
2503 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2504 (ccp_lattice_t): Remove UNKNOWN_VAL.
2505 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2506 Do not handle UNKNOWN_VAL.
2507 (get_default_value): Set initial value of virtual operands to
2509 (get_value): Always use get_default_value on uninitialized
2511 (set_value_varying, surely_varying_stmt_p): New functions.
2512 (set_lattice_value): Do not pass argument to get_value.
2513 Do not handle UNKNOWN_VAL.
2514 (likely_value): Follow the semantics described in the comment.
2515 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2516 phi nodes DONT_SIMULATE_AGAIN.
2517 (ccp_fold): Do not pass argument to get_value.
2518 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2521 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2523 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2524 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2526 2006-11-08 Roger Sayle <roger@eyesopen.com>
2528 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2529 test for inclusion rather than as a test for exclusion.
2530 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2531 the condition after calling fold_binary.
2532 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2533 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2534 * builtins.c (fold_builtin_isascii): Likewise.
2535 (fold_builtin_isdigit): Likewise.
2537 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2539 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2540 * configure: Regenerate.
2542 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2544 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2545 enum argument instead of bool.
2546 (vect_analyze_operations): Call vectorizable_type_promotion.
2547 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2548 stmt_vec_info_type value.
2549 (supportable_widening_operation, vectorizable_type_promotion): New
2550 function declarations.
2551 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2552 (vectorizable_type_promotion): New function.
2553 (vect_transform_stmt): Call vectorizable_type_promotion.
2554 * tree-vect-analyze.c (supportable_widening_operation): New function.
2555 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2557 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2560 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2561 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2562 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2564 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2565 * expr.c (expand_expr_real_1): Likewise.
2566 * optabs.c (optab_for_tree_code): Likewise.
2567 (init_optabs): Initialize new optabs.
2568 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2569 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2570 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2571 vec_unpacku_lo_optab): Initialize new optabs.
2572 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2573 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2574 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2576 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2577 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2578 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2579 (vec_unpacku_lo_optab): New optabs.
2580 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2581 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2582 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2583 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2584 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2585 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2587 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2588 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2589 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2590 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2591 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2592 implement the unsigned unpacking patterns.
2593 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2594 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2595 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2596 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2597 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2598 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2599 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2600 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2601 multiplication patterns.
2603 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2604 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2605 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2606 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2607 (rs6000_builtin_mul_widen_odd): New.
2608 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2609 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2610 * tree-vectorizer.h (enum vect_relevant): New enum type.
2611 (_stmt_vec_info): Field relevant chaned from bool to enum
2613 (STMT_VINFO_RELEVANT_P): Updated.
2614 (STMT_VINFO_RELEVANT): New.
2615 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2616 instead of STMT_VINFO_RELEVANT_P.
2617 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2618 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2619 and boolean variable with enum vect_relevant.
2620 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2621 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2622 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2624 2006-11-08 Richard Henderson <rth@redhat.com>
2626 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2627 vec_widen_umult_lo_v8hi): New.
2628 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2629 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2631 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2632 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2633 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2634 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2635 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2636 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2637 vec_unpacks_lo_v4si): New.
2639 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2641 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2642 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2643 (vect_analyze_operations): Call vectorizable_type_demotion.
2644 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2645 stmt_vec_info_type value.
2646 (vectorizable_type_demotion): New function declaration.
2647 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2650 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2651 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2653 * tree-iniline.c (estimate_num_insns_1): Likewise.
2654 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2655 * optabs.c (optab_for_tree_code): Likewise.
2657 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2658 compared against the predicate of the result is not 'mode' (the input
2659 to the function) but a mode with half the size of 'mode'.
2660 (init_optab): Initialize new optabs.
2661 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2663 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2665 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2666 (vec_pack_usat_optab): Initialize new optabs.
2667 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2668 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2670 2006-11-08 Richard Henderson <rth@redehat.com>
2672 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2673 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2674 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2675 (vec_interleave_highv4si, vec_interleave_lowv4si):
2676 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2678 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2680 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2682 (vect_transform_stmt): Removed redundant code.
2684 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2686 * tree-vect-transform.c (vectorizable_operation): Support multiple
2689 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2691 * tree-vect-transform.c (vect_align_data_ref): Removed.
2692 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2693 Updated function documentation. Return the increment stmt in ptr_incr.
2694 (bump_vector_ptr): New function.
2695 (vect_get_vec_def_for_stmt_copy): New function.
2696 (vect_finish_stmt_generation): Create a stmt_info to newly created
2698 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2700 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2701 VF is greater than the number of elements that can fit in one vector
2703 (vectorizable_operation, vectorizable_condition): Likewise.
2704 (vectorizable_store, vectorizable_load): Support the case that the VF
2705 is greater than the number of elements that can fit in one vector word.
2706 (vect_transform_loop): Don't fail in case of multiple data-types.
2707 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2708 in case of multiple data-types; the smallest type determines the VF.
2709 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2710 if they are of different sizes.
2711 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2712 number of elements rather than number of bytes.
2713 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2714 (vect_can_advance_ivs_p): Fix a dump printout
2716 2006-11-07 Eric Christopher <echristo@apple.com>
2718 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2719 (__bswapsi2): Ditto.
2720 * libgcc2.h: Remove transformation of bswap routines.
2721 * config/i386/i386.md (bswapsi2): New.
2724 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2726 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2727 (handle_gnu_inline_attribute): New function.
2728 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2729 (merge_decls, start_decl, start_function): Likewise.
2730 * doc/extend.texi: Document gnu_inline attribute.
2732 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2735 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2736 _fixunstfdi, and _floatditf
2738 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2740 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2742 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2743 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2744 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2745 which start in an odd register.
2747 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2749 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2751 2006-11-07 Josh Conner <jconner@apple.com>
2753 * doc/invoke.texi (fstrict-aliasing): Move implementation
2755 * doc/tree-ssa.texi (Alias analysis): ...here.
2757 2006-11-07 Richard Guenther <rguenther@suse.de>
2759 PR tree-optimization/29610
2760 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2761 of tree_purge_dead_eh_edges as it may free dominators.
2763 * g++.dg/other/pr29610.C: New testcase.
2765 2006-11-07 David Ung <davidu@mips.com>
2767 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2768 costs when optimizing for size.
2769 (override_options): Use mips_rtx_cost_optimize_size table for cost
2772 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2774 * gcc.c (process_command): Treat -b as normal switch if its argument
2777 2006-11-07 David Ung <davidu@mips.com>
2779 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2782 2006-11-06 Eric Christopher <echristo@apple.com>
2784 * config.gcc: Add x86_64-darwin host support.
2785 * config.host: Ditto.
2786 * config/i386/darwin64.h: New file.
2787 * config/i386/t-darwin64: Ditto.
2789 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2791 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2792 and output-exists-not.
2794 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2797 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2798 checking for overflow.
2800 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2802 * configure.ac: Fixed typo in case statement: :: changed to ;;
2804 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2806 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2807 count_leading_zeros, and count_trailing_zeros.
2808 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2809 (TARGET_FOLD_BUILTIN): Define.
2810 (TARGET_EXPAND_BUILTIN): Define.
2811 (xtensa_init_builtins): New.
2812 (xtensa_fold_builtin): New.
2813 (xtensa_expand_builtin): New.
2814 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2815 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2816 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2817 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2818 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2819 (any_extend): New code macro.
2820 (u, su): New code attributes.
2821 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2822 (nsau): Remove; replaced by clzsi2.
2823 (ffssi2): Use clzsi2.
2824 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2825 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2826 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2827 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2828 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2830 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2832 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2834 * config/arm/t-strongarm-elf: Likewise.
2835 * config/arm/t-pe: Likewise.
2836 * config/arm/t-arm-elf: Likewise.
2837 * config/arm/t-xscale-elf: Likewise.
2838 * config/arm/t-arm-coff: Likewise.
2839 * config/arm/t-xscale-coff: Likewise.
2840 * config/arm/t-wince-pe: Likewise.
2842 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2844 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2847 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2850 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2853 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2856 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2857 as a valid 80387 constant.
2858 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2859 * config/i386/i386.md (unnamed splitter): Split the load of
2860 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2863 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2865 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2866 from the soft-frame, argument and virtual registers.
2868 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2870 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2871 patterns for standard 80387 constants.
2873 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2874 Steven Bosscher <steven@gcc.gnu.org>
2876 * fwprop.c: New file.
2877 * Makefile.in: Add fwprop.o.
2878 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2879 * passes.c (init_optimization_passes): Schedule forward propagation.
2880 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2882 * timevar.def (TV_FWPROP): New.
2883 * common.opt (-fforward-propagate): New.
2884 * opts.c (decode_options): Enable forward propagation at -O2.
2885 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2886 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2887 canon_for_address, table_size): Remove.
2888 (new_basic_block, insert, remove_from_table): Remove references to
2890 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2891 simplification loop more straightforward by not calling fold_rtx
2893 (equiv_constant): Move here a small part of fold_rtx_subreg,
2894 do not call fold_rtx. Call avoid_constant_pool_reference
2896 * recog.h (canonicalize_change_group): New.
2898 * doc/invoke.texi (Optimization Options): Document fwprop.
2899 * doc/passes.texi (RTL passes): Document fwprop.
2901 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2903 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2904 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2905 (grokdeclarator): Likewise.
2907 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2909 * tree-dump.c (dump_enable_all): Rename local variable
2910 ir_type to avoid name conflicts.
2911 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2912 instead of using ir_type().
2913 * profile.c (tree_register_profile_hooks): Likewise.
2914 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2915 * basic-block.h (struct edge_def): Likewise.
2916 * config/arm/arm.c (legitimize_pic_address): Likewise.
2917 * coretypes.h (ir_type): New enum of all intermediate languages
2919 * cfghooks.c (ir_type): Rename to...
2920 (current_ir_type): ...this. Distinguish between cfgrtl and
2921 cfglayout mode when the current IR is RTL. Return enum ir_type.
2922 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2924 2006-11-03 Paul Brook <paul@codesourcery.com>
2926 * config/arm/arm.c (arm_file_start): New function.
2927 (TARGET_ASM_FILE_START): Define.
2928 (arm_default_cpu): New variable.
2929 (arm_override_options): Set arm_default_cpu.
2931 2006-11-03 David Ung <davidu@mips.com>
2933 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2934 PROCESSOR_24KC and PROCESSOR_24KF.
2935 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2936 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2937 (mips_rtx_cost_data): Add costs for the 24kc.
2938 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2939 * config/mips/24k.md: Remove references to 24k and replace with
2940 uses of 24kc/24kf in the appropriate reservations.
2941 * doc/invoke.texi (MIPS Options): Updated.
2943 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2945 * config/sh/crt1.asm: Fix #ifdef indent.
2947 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2948 Merged from STMicroelectronics sources:
2949 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2950 * config/sh/crt1.asm (vbr_600): Add missing #if.
2951 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2952 * sh.opt (mfused-madd): New option.
2953 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2954 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2955 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2956 Remove pointless handler at VBR+0.
2957 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2958 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2959 fr7. Make sure the timer handler is called with the correct FPU
2960 precision setting, according to the ABI.
2961 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2962 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2963 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2964 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2965 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2966 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2967 zero as second operand.
2968 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2969 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2970 Fixed some bugs related to negative values, in particular -0
2971 and overflow at -0x80000000.
2972 * config/sh/divcost-analysis: Added sh4-300 figures.
2973 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2974 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2975 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2976 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2977 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2978 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2980 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2982 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2983 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2984 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2985 mac_mem, mem_mac, dfp_mul, fp_cmp.
2986 (insn_class, dfp_comp, any_fp_comp): Update.
2987 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2988 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2989 (muldf3_i): Likewise.
2990 (movsi_i): Split rI08 alternative into two separate alternatives.
2992 (movsi_ie, movsi_i_lowpart): Likewise.
2993 (movqi_i): Split ri alternative into two separate alternatives.
2995 * sh1.md (sh1_load_store, sh1_fp): Update.
2996 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2997 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2998 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2999 (sh4a_fp_double_arith): Likewise.
3000 * sh4-300.md: New file.
3001 * sh.c (sh_handle_option): Handle m4-300* options.
3002 (sh_adjust_cost): Fix latency of auto-increments.
3003 Handle SH4-300 differently than other SH4s. Check for new insn types.
3004 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
3005 been set by an option.
3006 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
3007 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
3008 (mbranch-cost=): Likewise.
3009 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
3011 * sh.md (mulsf3): Remove special expansion code.
3012 (mulsf3_ie): Now a define_insn_and_split.
3013 (macsf3): Allow for TARGET_SH4.
3015 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
3016 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
3017 (expand_cbranchdi4): Likewise.
3018 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
3019 CONST_DOUBLE if the outer code is COMPARE.
3020 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
3021 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
3022 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
3023 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
3024 Remove redundant fp_{zero,one}_operand checks.
3025 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
3026 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
3027 (expand_cbranchdi4): Likewise.
3028 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
3029 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
3031 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
3033 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
3036 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3038 * doc/invoke.texi: Fix mfp-trap-mode typo.
3040 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3042 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
3043 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
3044 file_end_indicate_exec_stack.
3045 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
3047 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
3048 for a non-executable stack.
3049 * crti.asm: Likewise.
3050 * crtn.asm: Likewise.
3051 * libunwind.S: Likewise.
3053 2006-11-02 Ben Elliston <bje@au.ibm.com>
3055 * tree-ssa.c (warn_uninit): Use expand_location variables for
3056 locus and declaration locus.
3058 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
3061 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
3062 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
3063 cmp{eq,gt,gtu}{si,di}_media.
3064 (*cmpne0si_media): Remove.
3065 (*movsicc_umin): Adjust gen_cmp*_media call.
3066 (unordered): Change the mode of unordered and operands[1] to
3068 (seq): Adjust gen_cmp*_media calls. Make the mode of
3069 a temporary result of compare SImode if needed. If the mode
3070 of operands[0] is DImode, extend the temporary result to DImode.
3071 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
3072 (sunorderd): Change the mode of match_operand and unorderd to
3074 (cmpeq{sf,df}_media): Remove.
3075 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
3076 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
3077 and compare operation to SImode.
3079 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
3081 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
3083 (sparc64-sun-solaris2*): Likewise.
3085 2006-11-02 Paul Brook <paul@codesourcery.com>
3087 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
3088 from priority argument. Use different section for non-default
3090 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
3092 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
3095 * except.c (switch_to_exception_section): Do not cache the section
3096 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3097 and flag_function_sections is set.
3099 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3102 * builtins.c (do_mpfr_sincos): New.
3103 (fold_builtin_1): Use it to fold builtin sincos.
3105 2006-11-01 Roger Sayle <roger@eyesopen.com>
3107 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
3108 it into -D_REENTRANT.
3110 2006-11-01 Roger Sayle <roger@eyesopen.com>
3112 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
3113 whether the assembler supports taking the difference of symbols in
3114 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
3115 * configure: Regenerate.
3116 * config.in: Regenerate.
3117 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
3118 the assembler doesn't support taking the difference of symbols in
3119 different sections, i.e. we're using the native solaris assembler.
3121 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
3122 Peter Bergner <bergner@vnet.ibm.com>
3124 * doc/invoke.texi: Add cpu_type power6x
3125 (RS/6000 and PowerPC Options): Add -mmfpgpr.
3126 * config.gcc: Add cpu_type power6x.
3127 * configure.ac: Add test for mf{t,f}gpr instructions.
3128 (HAVE_AS_MFPGPR): New.
3129 * config.in: Regenerate.
3130 * configure: Regenerate.
3131 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
3132 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
3133 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
3134 and mftgpr attributes.
3135 (define_attr "cpu"): Add power6.
3136 Change instruction sequences to use new attributes.
3137 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
3138 (fix_truncdfsi2_mfpgpr): New.
3139 (floatsidf_ppc64_mfpgpr): New.
3140 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
3141 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
3142 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
3143 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
3144 (fix_truncdfsi2): Use gpc_reg_operand constraint.
3145 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
3146 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
3147 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
3148 cntlz,exts and var_delayed_compare.
3149 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3150 _ARCH_PWR6X, if features enabled.
3151 * config/rs6000/rs6000.opt (mmfpgpr): New.
3152 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
3153 (cached_can_issue_more): New variable.
3154 (processor_costs): Add power6_cost.
3155 (rs6000_sched_init): New function.
3156 (is_dispatch_slot_restricted): Deleted.
3157 (set_to_load_agen): New function.
3158 (is_load_insn,is_store_insn): New functions.
3159 (adjacent_mem_locations): New function.
3160 (insn_must_be_first_in_group): New function.
3161 (insn_must_be_last_in_group): New function.
3162 (rs6000_sched_reorder): New function.
3163 (rs6000_sched_reorder2): New function.
3164 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
3165 TARGET_SCHED_REORDER2): Define.
3166 (processor_target_table): Use PROCESSOR_POWER6 for power6.
3167 Add power6x. Add MASK_MFPGPR for power6x.
3168 (POWERPC_MASKS): Add MASK_MFPGPR.
3169 (rs6000_override_options): Set rs6000_always_hint to false
3170 for power6. Set rs6000_align_branch_targets. Replace
3171 rs6000_sched_groups check with rs6000_align_branch_targets.
3172 Use PROCESSOR_POWER6.
3173 (last_scheduled_insn): New variable.
3174 (load_store_pendulum): New variable.
3175 (rs6000_variable_issue): Set last_scheduled_insn and
3176 cached_can_issue_more.
3177 (rs6000_adjust_cost): Add power6 cost adjustments.
3178 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3179 with insn_must_be_first_in_group. Add power6 priority adjustments.
3180 (rs6000_issue_rate): Add CPU_POWER6.
3181 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3182 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3183 (TARGET_MFPGPR): New.
3184 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3185 (ASM_CPU_SPEC): Add power6x.
3186 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3188 * config/rs6000/power6.md: New file.
3190 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3192 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3193 HOST_WIDE_INT_PRINT to print high and low parts. Use
3194 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3195 printing a hexadecimal number prefix it with 0x.
3197 2006-11-01 Chris Johns <chris@contemporary.net.au>
3200 * Makefile.in (install-driver): Use exeext when installing
3201 $target-gcc-$version.
3203 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3205 * c-common.c (flag_cpp0x): New.
3206 * c-common.h (flag_cpp0x): New.
3207 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3208 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3209 * c-opts.c (set_std_cxx0x): New.
3210 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3211 * c.opt (std=c++0x): Document.
3212 (std=gnu++0x): Ditto.
3213 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3214 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3216 2006-11-01 Richard Guenther <rguenther@suse.de>
3218 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3220 (ix86_expand_floorceildf_32): Likewise.
3221 (ix86_expand_floorceil): Likewise.
3222 (ix86_expand_trunc): Likewise.
3224 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3226 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3229 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3231 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3233 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3235 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3237 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3238 * configure.ac (use_cxa_atexit): As a special case, don't test
3239 for libc definition of __cxa_atexit on mingw32
3240 * configure: Regenerate.
3241 * config.gcc (i[34567]86-pc-mingw32): Default to
3242 enable__cxa_atexit=yes.
3244 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3246 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3248 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3251 * c-decl.c (start_struct): Don't create self-containing
3253 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3255 * config/rs6000/rs6000-protos.h
3256 (darwin_rs6000_special_round_type_align): New.
3257 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3258 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3260 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3262 * toplev.c (compile_file): Call final_write_globals
3263 even if there have been errors.
3265 2006-10-31 Eric Christopher <echristo@apple.com>
3266 Falk Hueffner <falk@debian.org>
3268 * doc/extend.texi (__builtin_bswap32): Document.
3269 (__builtin_bswap64): Ditto.
3270 * doc/libgcc.texi (bswapsi2): Document.
3272 * doc/rtl.texi (bswap): Document.
3273 * optabs.c (expand_unop): Don't widen a bswap.
3274 (init_optabs): Init bswap. Set libfuncs explicitly
3275 for bswapsi2 and bswapdi2.
3276 * optabs.h (OTI_bswap): New.
3277 (bswap_optab): Ditto.
3278 * genopinit.c (optabs): Handle bswap_optab.
3279 * tree.h (tree_index): Add TI_UINT32_TYPE and
3281 (uint32_type_node): New.
3282 (uint64_type_node): Ditto.
3283 * tree.c (build_common_tree_nodes_2): Initialize
3284 uint32_type_node and uint64_type_node.
3285 * builtins.c (expand_builtin_bswap): New.
3286 (expand_builtin): Call.
3287 (fold_builtin_bswap): New.
3288 (fold_builtin_1): Call.
3289 * fold-const.c (tree_expr_nonnegative_p): Return true
3291 * builtin-types.def (BT_UINT32): New.
3293 (BT_FN_UINT32_UINT32): Ditto.
3294 (BT_FN_UINT64_UINT64): Ditto.
3295 * builtins.def (BUILT_IN_BSWAP32): New.
3296 (BUILT_IN_BSWAP64): Ditto.
3297 * rtl.def (BSWAP): New.
3298 * genattrtab.c (check_attr_value): New.
3299 * libgcc2.c (__bswapSI2): New.
3300 (__bswapDI2): Ditto.
3301 * libgcc2.h (__bswapSI2): Declare.
3302 (__bswapDI2): Ditto.
3303 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3304 * simplify-rtx.c (simplify_const_unary_operation): Return
3306 * libgcc-std.ver (__bwapsi2): Add.
3307 (__bswapdi2): Ditto.
3308 * reload1.c (eliminate_regs_1): Add bswap.
3309 (elimination_effects): Ditto.
3310 * config/i386/i386.h (x86_bswap): New.
3311 (TARGET_BSWAP): Use.
3312 * config/i386/i386.c (x86_bswap): Set.
3314 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3316 * coverage.c (coverage_checksum_string): Update comment.
3317 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3318 of get_file_function_name.
3319 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3320 of get_file_function_name_long.
3321 * tree.c (get_file_function_name): Rename from
3322 get_file_function_name_long; improve comment; handle 'I' and 'D'
3323 specially when the target has ctor/dtor support; remove special
3325 (get_file_function_name): Remove.
3326 * tree.h (get_file_function_name): Rename from
3327 get_file_function_name_long.
3328 (get_file_function_name): Remove prototype.
3330 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3332 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3333 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3335 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3336 Call dsymutil when compiling and linking one or more source files
3339 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3342 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3344 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3346 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3347 inline static functions in c99 mode.
3350 * doc/extend.texi (Inline): Update.
3351 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3352 * c-decl.c (current_extern_inline): Delete.
3353 (pop_scope): Adjust test for an undefined nested function.
3354 Add warning about undeclared inline function.
3355 (diagnose_mismatched_decls): Update comments. Disallow overriding
3356 of inline functions in a translation unit in C99. Allow inline
3357 declarations in C99 at any time.
3358 (merge_decls): Boolize variables. Handle C99 'extern inline'
3360 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3361 C99 inline semantics.
3362 (start_function): Don't clear current_extern_inline. Don't set
3364 (c_push_function_context): Don't push current_extern_inline.
3365 (c_pop_function_context): Don't restore current_extern_inline.
3368 * c-typeck.c (build_external_ref): Warn about static variables
3369 used in extern inline functions.
3370 * c-decl.c (start_decl): Warn about static variables declared
3371 in extern inline functions.
3373 2006-10-31 Roger Sayle <roger@eyesopen.com>
3376 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3377 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3378 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3379 or y is an even integer.
3381 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3384 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3385 * gthr-posix95.h (__gthread_active_p): Likewise.
3387 2006-10-31 Richard Guenther <rguenther@suse.de>
3389 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3390 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3391 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3392 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3393 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3394 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3395 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3396 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3399 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3401 * opts.c (decode_options): Disable CSE skip blocks.
3403 2006-10-30 Dirk Mueller <dmueller@suse.de>
3405 * c-common.h (strict_aliasing_warning): Fix whitespace.
3406 * c-decl (start_function): Move code for main decl warning ..
3407 * c-common.c (check_main_parameter_types): .. here.
3408 * c-common.h (check_main_parameter_types): Declare.
3410 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3413 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3415 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3417 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3418 be a PARALLEL containing sets. Return false when out_pat is not
3421 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3423 * config/mips/mips.md (mul<mode>3): Split into...
3424 (mulsi3, muldi3): ...these separate patterns.
3426 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3428 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3429 but with each set of options separated by spaces.
3431 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3433 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3434 dwarf_reg_size_table has been initialized.
3436 2006-10-30 Roger Sayle <roger@eyesopen.com>
3438 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3439 * ddg.c (print_ddg_edge): Likewise.
3440 * dwarf2out.c (prune_unused_types_walk): Likewise.
3441 * ifcvt.c (noce_try_cmove_arith): Likewise.
3442 * langhooks.c (add_builtin_function): Likewise.
3443 * reg-stack.c (subst_stack_regs_pat): Likewise.
3444 * tree.c (expanded_location): Likewise.
3445 * tree-dump.c (dequeue_and_dump): Likewise.
3447 2006-10-30 David Daney <ddaney@avtrex.com>
3449 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3451 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3453 PR tree-optimization/29637
3454 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3455 of the innertype is the innertype itself.
3457 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3459 * dwarf2out.c (file_name_acquire): Correct typo.
3461 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3463 * tree.h (tree_value_handle): Remove struct value_set declaration.
3464 Change value_set to bitmap_set.
3465 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3466 * tree-vn.c (get_value_handle): Made inline and moved to
3468 * tree-flow-inline.h: (has_stmt_ann): New function.
3469 * tree-ssa-pre.c (expressions): New variable.
3470 (next_expression_id): Ditto.
3471 (alloc_expression_id): New function.
3472 (struct value_set): Remove.
3473 (get_expression_id): New function.
3474 (get_or_alloc_expression_id): Ditto.
3475 (expression_for_id): Ditto.
3476 (clear_expression_ids): Ditto.
3477 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3478 (bb_value_sets): Renamed to bb_bitmap_sets.
3479 All value sets replaced with bitmap_sets.
3481 (BB_VISITED): New macro.
3482 (postorder): New variable.
3483 (add_to_value): Removed.
3484 (value_exists_in_set_bitmap): Ditto.
3485 (value_insert_into_set_bitmap): Ditto.
3488 (set_remove): Ditto.
3489 (set_contains_value): Ditto.
3490 (insert_into_set): Ditto.
3492 (find_leader): Ditto.
3493 (bitmap_set_subtract_from_value_set): Ditto.
3494 (value_insert_into_set): Ditto.
3495 (print_value_set): Ditto.
3496 (debug_value_set): Ditto.
3497 (constant_expr_p): New function.
3498 (bitmap_remove_from_set): Ditto.
3499 (bitmap_insert_into_set): Ditto.
3500 (bitmap_set_free): Ditto.
3501 (vh_compare): Ditto.
3502 (sorted_array_from_bitmap_set): Ditto.
3503 (bitmap_set_subtract): Ditto.
3504 (bitmap_set_equal): Ditto.
3505 (debug_bitmap_set): Ditto.
3506 (find_leader_in_sets): Ditto.
3507 (bitmap_set_replace_value): Modify for bitmapped sets.
3508 (phi_translate): Ditto.
3509 (phi_translate_set): Ditto.
3510 (bitmap_find_leader): Ditto.
3511 (valid_in_sets): Ditto.
3512 (union_contains_value): Ditto.
3514 (compute_antic_aux): Ditto. Mark changed blocks.
3515 (compute_antic): Ditto. Iterate in postorder and only over
3517 (compute_rvuse_and_antic_safe): Reuse postorder.
3518 (create_component_ref_by_pieces): Modify for bitmapped sets.
3519 (find_or_generate_expression): Ditto.
3520 (create_expression_by_pieces): Ditto.
3521 (insert_into_preds_of_block): Ditto.
3522 (changed_blocks): New variable.
3523 (do_regular_insertion): Broken out from insert_aux.
3524 (insert_aux): Modified for bitmapped sets.
3525 (find_existing_value_expr): New function.
3526 (create_value_expr_from): Use it.
3527 (insert_extra_phis): Removed.
3528 (print_bitmap_set): Renamed from bitmap_print_value_set.
3529 (compute_avail): Handle RETURN_EXPR.
3530 (init_pre): Modify for bitmapped sets.
3531 * tree-flow.h (has_stmt_ann): New function.
3533 2006-10-29 Roger Sayle <roger@eyesopen.com>
3535 * builtins.c (fold_builtin_floor): Check for the availability of
3536 the C99 trunc function before transforming floor into trunc.
3538 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3540 * builtins.c (fold_builtin_hypot): Rearrange recursive
3541 transformation before others, and also do ABS_EXPR. When
3542 necessary, check flag_unsafe_math_optimizations. When necessary,
3545 2006-10-29 Roger Sayle <roger@eyesopen.com>
3547 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3548 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3549 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3550 Fold -X eq/ne -Y as X eq/ne Y.
3552 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3554 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3555 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3556 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3557 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3558 Use an inclusive test for "mult" rather than "mul".
3559 (rotr<mode>3): Depend on ISA_HAS_ROR.
3560 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3562 (GENERATE_MULT3_DI): Delete.
3563 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3564 (ISA_HAS_MUL3): New macro.
3565 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3566 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3567 (ISA_HAS_CLZ_CLO): Likewise.
3568 (ISA_HAS_DCLZ_DCLO): Delete.
3569 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3570 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3571 the VR4120 and VR4130.
3572 (ISA_HAS_MACCHI): Use consistent formatting.
3573 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3574 (ISA_HAS_ROR): ...this new macro.
3575 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3576 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3577 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3579 2006-10-29 Roger Sayle <roger@eyesopen.com>
3581 PR tree-optimization/15458
3582 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3585 2006-10-29 Richard Guenther <rguenther@suse.de>
3587 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3588 (ix86_expand_truncdf_32): Likewise.
3589 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3590 trunc inline for SSE math and -fno-trapping-math and if not
3591 optimizing for size.
3592 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3593 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3594 for expanding btrunc inline for SSE math.
3596 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3598 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3599 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3600 i[34567]86-*-solaris2.1[0-9]*.
3601 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3602 Define conditionally depending on TARGET_64BIT_DEFAULT.
3603 (SPEC_32, SPEC_64): Define.
3604 (LINK_SPEC): Use them.
3605 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3607 2006-10-29 Richard Guenther <rguenther@suse.de>
3609 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3610 (ix86_expand_rounddf_32): Likewise.
3611 * config/i386/i386.c (ix86_expand_round): New function expanding
3612 round inline for SSE math and -fno-trapping-math and if not
3613 optimizing for size.
3614 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3615 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3616 round via ix86_expand_round.
3618 2006-10-29 Richard Guenther <rguenther@suse.de>
3620 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3621 (ix86_expand_floorceildf_32): Likewise.
3622 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3623 static helper function.
3624 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3626 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3627 * config/i386/i386.md (floordf2): Adjust to enable floor
3628 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3629 -fno-trapping-math is enabled and if not optimizing for size.
3630 (floorsf2, ceildf2, ceilsf2): Likewise.
3631 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3632 (sse2_maskcmpdf3): Likewise.
3634 2006-10-29 Richard Guenther <rguenther@suse.de>
3636 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3637 rint in case -fno-trapping-math is enabled.
3638 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3639 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3640 (ix86_expand_sse_fabs): Likewise.
3641 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3642 * config/i386/i386.md (rintdf2): Enable for SSE math if
3643 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3644 (rintsf2): Likewise.
3646 2006-10-29 Richard Guenther <rguenther@suse.de>
3648 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3649 to conversion optabs.
3650 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3651 as conversion optab.
3652 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3653 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3654 (lfloor_optab, lceil_optab): Adjust defines.
3655 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3656 lfloor and lceil optabs now being conversion optabs.
3657 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3658 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3659 New static helper function.
3660 (ix86_expand_lfloorceil): New function to expand lfloor and
3662 * config/i386/i386.md (lfloor<mode>2): Split into ...
3663 (lfloorxf<mode>2): ... x87 variant
3664 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3665 using ix86_expand_lfloorceil.
3666 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3668 * doc/md.texi (lfloorMN, lceilMN): Document.
3670 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3672 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3673 -mno-shared assembler option on mips targets.
3674 * configure, config.in: Regenerate.
3675 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3676 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3677 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3679 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3681 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3682 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3684 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3686 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3687 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3690 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3693 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3694 (fold_builtin_pow): Evaluate constant arguments at compile-time
3696 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3697 (do_mpfr_ckconv): New helper function.
3698 (do_mpfr_arg1): Use do_mpfr_ckconv.
3699 (do_mpfr_arg2): New.
3701 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3704 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3705 (-fdump-rtl-sched): Rename to ..
3706 (-fdump-rtl-sched1): here. Also fix file extension number.
3708 2006-10-28 Richard Guenther <rguenther@suse.de>
3710 * fold-const.c (maybe_canonicalize_comparison): Fix code
3713 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3715 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3716 (NON_QI_REG_P): Use IN_RANGE.
3717 (REX_INT_REGNO_P): Use IN_RANGE.
3718 (FP_REGNO_P): Use IN_RANGE.
3719 (SSE_REGNO_P): Use IN_RANGE.
3720 (REX_SSE_REGNO_P): Use IN_RANGE.
3721 (MMX_REGNO_P): Use IN_RANGE.
3722 (STACK_REGNO_P): New macro.
3723 (STACK_REG_P): Use STACK_REGNO_P.
3724 (NON_STACK_REG_P): Use STACK_REGNO_P.
3725 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3726 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3727 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3728 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3729 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3731 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3733 * except.h (output_function_exception_table): Add 'const char*' param.
3734 * except.c (switch_to_exception_section): Add 'const char*' param.
3735 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3736 and flag_function_sections is set, use a function-specific section.
3737 (output_function_exception_table): Add 'const char*' param.
3738 Adjust call to switch_to_exception_section.
3739 * final.c (rest_of_handle_final): Adjust calls to
3740 output_function_exception_table.
3741 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3742 * config.in: Regenerate.
3743 * configure: Likewise.
3745 2006-10-28 Richard Guenther <rguenther@suse.de>
3748 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3749 for maybe_canonicalize_comparison.
3750 (maybe_canonicalize_comparison): New function for canonicalizing
3752 (fold_comparison): Call it to canonicalize comparisons with
3755 2006-10-28 Richard Guenther <rguenther@suse.de>
3758 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3759 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3760 (expand_builtin): Adjust likewise.
3761 * genopinit.c (optabs[]): Add lround optab.
3762 * optabs.c (init_optabs): Initialize lround_optab.
3763 * optabs.h (enum convert_optab_index): Add COI_lround.
3764 (lround_optab): Define.
3765 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3766 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3768 (ix86_expand_lround): New function.
3769 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3771 * doc/md.texi (lroundMN2): Document.
3773 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3776 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3777 argument to HOST_WIDE_INT. Update function prototype.
3778 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3779 "size" argument to HOST_WIDE_INT. Update function prototype.
3781 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3783 * config/i386/i386.c (output_387_ffreep): Create output from a
3784 template string for !HAVE_AS_IX86_FFREEP.
3786 2006-10-27 Eric Christopher <echristo@apple.com>
3788 * config/darwin.c: Fix formatting and grammar.
3790 2006-10-27 Jan Hubicka <jh@suse.cz>
3792 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3793 to be thrown away soon when IGNORE is set.
3794 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3795 indicating when return value shall not be computed.
3796 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3798 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3800 * config/i386/i386.h (TARGET_GEODE):
3801 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3802 (TARGET_CPU_DEFAULT_geode): New macro.
3803 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3804 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3805 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3806 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3807 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3809 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3810 (processor_type): Add PROCESSOR_GEODE.
3812 * config/i386/i386.md: Include geode.md.
3815 * config/i386/i386.c (geode_cost): New initialized global
3817 (m_GEODE, m_K6_GEODE): New macros.
3818 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3819 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3820 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3821 x86_schedule): Use m_K6_GEODE instead of m_K6.
3822 (x86_movx, x86_cmove): Set up m_GEODE.
3823 (x86_integer_DFmode_moves): Clear m_GEODE.
3824 (processor_target_table): Add entry for geode.
3825 (processor_alias_table): Ditto.
3827 * config/i386/geode.md: New file.
3829 * doc/invoke.texi: Add entry about geode processor.
3831 2006-10-27 Mike Stump <mrs@apple.com>
3833 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3834 __DYNAMIC__ from here back to ...
3835 * config/darwin.h (CPP_SPEC): ... here.
3837 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3838 Nathan Sidwell <nathan@codesourcery.com>
3840 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3841 when choosing the minimum heapsize.
3843 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3845 * gcc/unwind-dw2.h: Move cfa-related variables into
3846 struct frame_state_reg_info to ensure that the CFA is properly
3847 handled when executing DW_CFA_{remember,restore}_state.
3848 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3849 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3850 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3851 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3852 gcc/config/rs6000/linux-unwind.h,
3853 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3854 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3855 Modify to use new cfa_* fields.
3857 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3859 * config/s390/s390.c (s390_init_frame_layout): Check positive
3862 2006-10-26 Ben Elliston <bje@au.ibm.com>
3864 * gimplify.c (get_name): Remove extraneous break.
3865 (gimplify_omp_for): Initialise ret with GS_OK.
3867 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3869 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3870 Add unix98.o to link line.
3872 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3875 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3876 Calculate compile-time constants using MPFR.
3877 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3878 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3880 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3882 * config/xtensa/lib2funcs.S: Use C-style comments.
3884 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3886 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3887 (file_table_relative_p): Likewise.
3888 (dwarf2out_finish): Likewise.
3889 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3891 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3893 * tree-ssa-structalias.c (intra_create_variable_infos):
3894 Don't recreate nonlocal_all if it already exists.
3896 2006-10-25 Richard Guenther <rguenther@suse.de>
3899 * optabs.h (enum optab_index): Remove OTI_lrint.
3900 (enum convert_optab_index): Add COI_lrint.
3901 (lrint_optab): Adjust.
3902 (expand_sfix_optab): Declare.
3903 * optabs.c (expand_sfix_optab): New function.
3904 (init_optabs): Init lrint_optab as conversion optab.
3905 * genopinit.c (lrint_optab): Change to a conversion optab.
3906 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3907 expansion via conversion optab.
3908 * config/i386/i386.md (*fistdi2_1): Remove
3909 flag_unsafe_math_optimizations guard.
3910 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3911 fist<mode>2_with_temp): Likewise.
3912 (lrint<mode>2): Split into...
3913 (lrintxf<mode>2): ... x87 part
3914 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3915 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3916 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3917 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3918 * doc/md.texi (lrintMN2): Document.
3920 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3923 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3924 Use inc and dec instructions for TARGET_USE_INCDEC.
3925 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3926 ("sync_double_compare_and_swap<mode>"): Likewise.
3927 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3928 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3929 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3930 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3931 ("sync_old_add<mode>"): Likewise.
3932 ("sync_lock_test_and_set<mode>"): Likewise.
3933 ("sync_lock_test_and_set<mode>"): Likewise.
3934 ("sync_add<mode>"): Likewise.
3935 ("sync_sub<mode>"): Likewise.
3936 ("sync_ior<mode>"): Likewise.
3937 ("sync_and<mode>"): Likewise.
3938 ("sync_xor<mode>"): Likewise.
3940 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3942 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3943 (remainder_optab): Define corresponding macro.
3944 (drem_optab): Remove.
3945 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3946 drem_optab initialization.
3947 * genopinit.c (optabs): Implement remainder_optab using
3948 remainder?f3 patterns. Remove drem_optab.
3949 * builtins.c (expand_builtin_mathfn_2): Handle
3950 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3951 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3952 expand_builtin_mathfn_2.
3954 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3955 depend on flag_unsafe_math_optimizations.
3957 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3958 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3959 Do not depend on flag_unsafe_math_optimizations. Use
3960 truncxf?f expander instead of truncxf?f_i387_noop.
3962 ("fpremxf4", "fprem1xf4"): Do not depend on
3963 flag_unsafe_math_optimizations.
3964 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3965 flag_unsafe_math_optimizations. Use truncxf?f expander
3966 instead of truncxf?f_i387_noop.
3968 * doc/md.texi (fmod, remainder): Document standard named pattern.
3970 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3971 David Daney <ddaney@avtrex.com>
3974 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3976 2006-10-25 Ben Elliston <bje@au.ibm.com>
3978 * doc/extend.texi (Variable Attributes): Typo fix.
3980 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3982 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3983 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3984 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3985 (FRAME_POINTER_REGNUM): Update register number to 21.
3986 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3987 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3989 * config/i386/i386.c (regclass_map): Add fpcr entry.
3990 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3992 (print_reg): Assert REGNO (x) != FPCR_REG.
3994 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3995 (DIRFLAG_REG): Renumber.
3996 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3997 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3998 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3999 hardcoded SSE register numbers.
4001 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
4002 hardcoded MMX register numbers.
4004 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4007 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
4008 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
4010 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
4011 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
4012 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
4013 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
4015 2006-10-24 Richard Guenther <rguenther@suse.de>
4018 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
4019 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
4020 for deciding optimizations in consistency with fold-const.c
4021 (fold_builtin_unordered_cmp): Likewise.
4023 2006-10-24 Richard Guenther <rguenther@suse.de>
4025 * builtins.c (fold_builtin_floor): Fold floor (x) where
4026 x is nonnegative to trunc (x).
4027 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
4028 nonnegative to FIX_TRUNC_EXPR.
4030 2006-10-24 Richard Guenther <rguenther@suse.de>
4032 PR tree-optimization/29567
4033 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
4034 for TRUTH_NOT_EXPR. Clarify comments.
4036 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4039 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4040 at compile-time using MPFR. Change parameter VALUE to FUNC,
4042 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
4043 for overflow and underflow at all times and avoid folding in
4046 2006-10-24 Ben Elliston <bje@au.ibm.com>
4048 * reload1.c: Formatting fixes.
4050 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
4052 PR tree-optimization/14784
4053 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
4054 * tree-ssa-structalias.c (get_constraint_for,
4055 intra_create_variable_infos): Set is_heapvar.
4056 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
4057 non-heapvar pointer variables specially.
4059 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4062 * builtins.c (fold_builtin_sin, fold_builtin_cos,
4063 fold_builtin_tan): Fold all constant arguments. Take a "type"
4064 argument as necessary.
4065 (do_mpfr_arg1): New.
4066 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
4068 2006-10-23 Bob Wilson <bob.wilson@acm.org>
4070 * config/xtensa/lib1funcs.asm: Use C-style comments.
4072 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
4074 * tree.c (local_define_builtin): Replace calls to
4075 lang_hooks.builtin_function with add_builtin_function.
4076 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
4078 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
4080 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
4081 common code to add_builtin_function.
4082 * langhooks.c (add_builtin_function): New function.
4083 (lhd_builtin_function): New function.
4084 * langhooks.h (struct lang_hooks): Change the signature of
4086 (add_builtin_function): New function.
4087 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
4088 calls to lang_hooks.builtin_function with add_builtin_function.
4089 * c-common.c (decl_builtin_1): Replace calls to
4090 lang_hooks.builtin_function with add_builtin_function.
4091 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
4092 lang_hooks.builtin_function with add_builtin_function.
4093 * config/frv/frv.c (def_builtin): Replace calls to
4094 lang_hooks.builtin_function with add_builtin_function.
4095 * config/s390/s390.c (s390_init_builtins): Replace calls to
4096 lang_hooks.builtin_function with add_builtin_function.
4097 * config/sparc/sparc.c (def_builtin): Replace calls to
4098 lang_hooks.builtin_function with add_builtin_function.
4099 * config/i386/i386.c (def_builtin): Replace calls to
4100 lang_hooks.builtin_function with add_builtin_function.
4101 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
4102 lang_hooks.builtin_function with add_builtin_function.
4103 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
4104 lang_hooks.builtin_function with add_builtin_function.
4105 * config/stormy16/stormy16.c (xstormy16_init_builtins):
4106 Replace calls to lang_hooks.builtin_function with
4107 add_builtin_function.
4108 * config/iq2000/iq2000.c (def_builtin):
4109 Replace calls to lang_hooks.builtin_function with
4110 add_builtin_function.
4111 * config/ia64/ia64.c (def_builtin): Replace calls to
4112 lang_hooks.builtin_function with add_builtin_function.
4113 * config/rs6000/rs6000.c (def_builtin): Replace calls to
4114 lang_hooks.builtin_function with add_builtin_function.
4115 (altivec_init_builtins): Replace calls to
4116 lang_hooks.builtin_function with add_builtin_function.
4117 * config/arm/arm.c (def_mbuiltin): Replace calls to
4118 lang_hooks.builtin_function with add_builtin_function.
4119 (arm_init_tls_builtins): Replace calls to
4120 lang_hooks.builtin_function with add_builtin_function.
4121 * config/mips/mips.c (mips_init_builtins): Replace calls to
4122 lang_hooks.builtin_function with add_builtin_function.
4123 * config/bfin/bfin.c (def_builtin): Replace calls to
4124 lang_hooks.builtin_function with add_builtin_function.
4125 * langhooks-def.h (lhd_builtin_function): New function.
4126 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
4128 2006-10-23 Jakub Jelinek <jakub@redhat.com>
4130 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
4131 BUILT_IN_STRNCAT_CHK.
4133 2006-10-23 Jan Hubicka <jh@suse.cz>
4135 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
4136 don't do conversion from memmove to memcpy here.
4137 (expand_builtin_bcopy, expand_builtin): Update call of
4138 expand_builtin_memmove.
4139 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
4141 2006-10-23 Paul Brook <paul@codesourcery.com>
4143 * stor-layout.c (start_record_layout): maximum_field_alignment
4144 overrides STRUCTURE_SIZE_BOUNDARY.
4146 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
4148 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
4149 nonlocal function symbols if flag_pic.
4151 2006-10-23 Richard Guenther <rguenther@suse.de>
4155 * builtins.c (fold_binary): Remove checks for flag_wrapv
4156 and flag_trapv where negate_expr_p covers these cases.
4158 2006-10-23 Richard Guenther <rguenther@suse.de>
4161 * fold-const.c (fold_plusminus_mult_expr): Check exact power
4162 of two on the absolute value.
4163 (fold_binary): Fold x * -C to -x * C if x is easily negatable
4164 and negating -C does not overflow.
4166 2006-10-23 Richard Guenther <rguenther@suse.de>
4169 * convert.c (convert_to_real): Fold (float)-x to -(float)x
4170 only if not flag_rounding_math.
4172 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4173 Kaz Kojima <kkojima@gcc.gnu.org>
4176 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4177 SImode memory reference for the source of a movua.
4178 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4179 (movua): Use an unspec instead of sign_extract. Expect the source
4180 to have mode BLKmode.
4181 (extv, insv): Use a BLKmode rather than SImode memory reference
4182 for the source of a movua.
4184 2006-10-22 Jeff Law <law@redhat.com>
4185 Richard Guenther <rguenther@suse.de>
4187 PR tree-optimization/15911
4188 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4189 (register_edge_assert_for_1): Likewise.
4190 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4191 (find_conditional_asserts): Adjust for new function signature.
4192 (find_assert_locations): Likewise.
4194 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4196 * config/i386/tmmintrin.h: Remove the duplicated content.
4198 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4200 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4201 (x86_64-*-*): Likewise.
4203 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4204 (override_options): Check SSSE3.
4205 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4206 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4207 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4208 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4209 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4210 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4211 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4212 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4213 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4214 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4215 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4216 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4217 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4218 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4219 IX86_BUILTIN_PABSD128.
4220 (bdesc_2arg): Add SSSE3.
4221 (bdesc_1arg): Likewise.
4222 (ix86_init_mmx_sse_builtins): Support SSSE3.
4223 (ix86_expand_builtin): Likewise.
4224 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4226 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4227 (UNSPEC_PSIGN): Likewise.
4228 (UNSPEC_PALIGNR): Likewise.
4229 Include mmx.md before sse.md.
4231 * config/i386/i386.opt: Add -mssse3.
4233 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4234 (ssse3_phaddwv4hi3): Likewise.
4235 (ssse3_phadddv4si3): Likewise.
4236 (ssse3_phadddv2si3): Likewise.
4237 (ssse3_phaddswv8hi3): Likewise.
4238 (ssse3_phaddswv4hi3): Likewise.
4239 (ssse3_phsubwv8hi3): Likewise.
4240 (ssse3_phsubwv4hi3): Likewise.
4241 (ssse3_phsubdv4si3): Likewise.
4242 (ssse3_phsubdv2si3): Likewise.
4243 (ssse3_phsubswv8hi3): Likewise.
4244 (ssse3_phsubswv4hi3): Likewise.
4245 (ssse3_pmaddubswv8hi3): Likewise.
4246 (ssse3_pmaddubswv4hi3): Likewise.
4247 (ssse3_pmulhrswv8hi3): Likewise.
4248 (ssse3_pmulhrswv4hi3): Likewise.
4249 (ssse3_pshufbv16qi3): Likewise.
4250 (ssse3_pshufbv8qi3): Likewise.
4251 (ssse3_psign<mode>3): Likewise.
4252 (ssse3_psign<mode>3): Likewise.
4253 (ssse3_palignrti): Likewise.
4254 (ssse3_palignrdi): Likewise.
4255 (abs<mode>2): Likewise.
4256 (abs<mode>2): Likewise.
4258 * config/i386/tmmintrin.h: New file.
4260 * doc/extend.texi: Document SSSE3 built-in functions.
4262 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4264 2006-10-22 Ira Rosen <irar@il.ibm.com>
4266 * tree-vect-transform.c (vectorizable_load): Use the type of the
4267 return value of the mask_for_load builtin to create realign_load
4270 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4272 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4275 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4277 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4278 (UNSPEC_LDDQU): This.
4279 * config/i386/sse.md (sse3_lddqu): Updated.
4281 2006-10-21 Richard Guenther <rguenther@suse.de>
4283 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4284 (expand_builtin): Use it to expand lrint instead of
4285 expand_builtin_mathfn.
4287 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4290 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4291 flag_unsafe_math_optimizations is set.
4293 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4296 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4297 patterns to use memory input operand in x87->mem->XMM
4298 reload sequences. Skip transformation for TARGET_K8.
4300 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4302 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4303 force operand1 to register if both operands are memory operands.
4304 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4305 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4306 if both operands are memory operands.
4307 (truncdfsf2): Do not force operand1 to register if both operands
4308 are memory operands.
4310 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4312 * Makefile.in (LIBS): Add $(GMPLIBS).
4313 * doc/install.texi: Update GMP and MPFR requirements.
4314 * doc/sourcebuild.texi (need_gmp): Delete.
4316 2006-10-21 Richard Guenther <rguenther@suse.de>
4318 PR tree-optimization/3511
4319 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4320 got new invariant arguments during PHI translation.
4322 2006-10-21 Richard Guenther <rguenther@suse.de>
4325 * fold-const.c (fold_comparison): Fold signed comparisons
4326 of the form X +- C1 CMP Y +- C2.
4328 2006-10-21 Richard Guenther <rguenther@suse.de>
4331 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4332 if flag_unsafe_math_optimizations is specified. We have
4333 flag_finite_math_only for that.
4334 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4335 or flag_unsafe_math_optimizations.
4337 2006-10-21 Richard Guenther <rguenther@suse.de>
4339 * builtins.c (fold_builtin_classify): Fix typo.
4341 2006-10-21 Richard Guenther <rguenther@suse.de>
4344 * simplify-rtx.c (simplify_const_relational_operation):
4345 Do not constant-fold ORDERED and UNORDERED for
4346 flag_unsafe_math_optimizations but only we do not need to
4347 honor NaNs for the given mode.
4349 2006-10-21 Richard Guenther <rguenther@suse.de>
4352 * config/i386/i386.c (classify_argument): Remove redundant
4353 walking of the BINFOs.
4354 (contains_128bit_aligned_vector_p): Likewise.
4356 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4358 * BASE-VER: Set to 4.3.0.
4360 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4362 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4363 (tree_decl_with_vis): Remove artificial_pta_var flag.
4364 * tree-flow.h (referenced_var_check_and_insert): Expose.
4365 (nonlocal_all): New prototype.
4366 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4367 (nonlocal_all): Make global.
4368 (nonlocal_lookup): Remove.
4369 (nonlocal_insert): Ditto.
4370 (create_nonlocal_var): Do not call nonlocal_insert.
4371 (get_nonlocal_id_for_type): Remove.
4372 (find_global_initializers): Mark new vars we find for renaming.
4373 (intra_create_variable_infos): Only create one nonlocal.
4374 (expand_nonlocal_solutions): Remove.
4375 (compute_points_to_sets): Don't call it.
4376 (ipa_pta_execute): Ditto.
4377 (init_alias_heapvars): Don't create nonlocal_for_type.
4378 (delete_alias_heapvars): Don't remove it.
4379 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4382 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4384 * doc/install.texi (Downloading GCC): Clarify mention of
4385 Fortran in the "full distribution" description.
4387 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4389 Fix PR tree-optimization/28778
4390 Fix PR tree-optimization/29156
4391 Fix PR tree-optimization/29415
4392 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4393 (tree_decl_with_vis): Add artificial_pta_var flag.
4394 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4395 pushed into callers.
4396 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4397 (nonlocal_all): Ditto.
4398 (struct variable_info): Add directly_dereferenced member.
4399 (var_escaped_vars): New variable.
4400 (escaped_vars_tree): Ditto.
4401 (escaped_vars_id): Ditto.
4402 (nonlocal_vars_id): Ditto.
4403 (new_var_info): Set directly_dereferenced.
4404 (graph_size): New variable
4405 (build_constraint_graph): Use graph_size.
4406 (solve_graph): Don't process constraints that cannot change the
4407 solution, don't try to propagate an empty solution to our
4409 (process_constraint): Set directly_dereferenced.
4410 (could_have_pointers): New function.
4411 (get_constraint_for_component_ref): Don't process STRING_CST.
4412 (nonlocal_lookup): New function.
4413 (nonlocal_insert): Ditto.
4414 (create_nonlocal_var): Ditto.
4415 (get_nonlocal_id_for_type): Ditto.
4416 (get_constraint_for): Allow results vector to be empty in the case
4417 of string constants.
4418 Handle results of calls properly.
4419 (update_alias_info): Update alias info stats on number and type of
4421 (find_func_aliases): Use could_have_pointers.
4422 (make_constraint_from_escaped): Renamed from
4423 make_constraint_to_anything, and changed to make constraints from
4425 (make_constraint_to_escaped): New function.
4426 (find_global_initializers): Ditto.
4427 (create_variable_info_for): Make constraint from escaped to any
4428 global variable, and from any global variable to the set of
4430 (intra_create_variable_infos): Deal with escaped instead of
4431 pointing to anything.
4432 (set_uids_in_ptset): Do type pruning on directly dereferenced
4434 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4435 (init_base_vars): Fix comment, and initialize escaped_vars.
4436 (need_to_solve): Removed.
4437 (find_escape_constraints): New function.
4438 (expand_nonlocal_solutions): Ditto.
4439 (compute_points_to_sets): Call find_escape_constraints and
4440 expand_nonlocal_solutions.
4441 (delete_points_to_sets): Don't fall off the end of the graph.
4442 (init_alias_heapvars): Initialize nonlocal_for_type and
4444 (delete_alias_heapvars): Free nonlocal_for_type and null out
4447 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4449 * fold-const.c (add_double): Rename to add_double_with_sign.
4450 Add 'unsigned_p' parameter and take it into account for the overflow.
4451 (mul_double): Rename to mul_double_with_sign.
4452 Add 'unsigned_p' parameter and take it into account for the overflow.
4453 (fold_div_compare): Call add_double_with_sign instead of add_double
4454 and mul_double_with_sign instead of mul_double, passing them the
4455 unsignedness of the type.
4456 * tree.h (add_double): Macroize.
4457 (add_double_with_sign): New prototype.
4458 (mul_double): Macroize.
4459 (mul_double_with_sign): New prototype.
4461 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4463 * config/score/crti.asm: New file.
4464 * config/score/crtn.asm: New file.
4465 * config/score/elf.h: New file.
4466 * config/score/mac.md: New file.
4467 * config/score/misc.md: New file.
4468 * config/score/mul-div.S: New file.
4469 * config/score/predicates.md: New file.
4470 * config/score/score7.md: New file.
4471 * config/score/score.c: New file.
4472 * config/score/score-conv.h: New file.
4473 * config/score/score.h: New file.
4474 * config/score/score.md: New file.
4475 * config/score/score-mdaux.c: New file.
4476 * config/score/score-mdaux.h: New file.
4477 * config/score/score-modes.def: New file.
4478 * config/score/score.opt: New file.
4479 * config/score/score-protos.h: New file.
4480 * config/score/score-version.h: New file.
4481 * config/score/t-score-elf: New file.
4482 * config.gcc: Add score*-*-* configurations(Update before).
4483 * doc/invoke.texi (Score Options): New section.
4484 * doc/md.texi (Score family): New section to document constraints.
4486 2006-10-19 Nick Clifton <nickc@redhat.com>
4488 * config/arm/arm.c: Fix spelling typo.
4490 2006-10-18 Tom Tromey <tromey@redhat.com>
4492 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4494 2006-10-18 Jan Hubicka <jh@suse.cz>
4497 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4500 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4502 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4503 TSI_SAME_STMT, since that's the desired entity.
4505 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4507 * config/s390/contraints.md: New file.
4508 * config/s390/s390-protos.h (s390_mem_constraint,
4509 s390_O_constraint_str, s390_N_constraint_str,
4510 s390_float_const_zero_p): Function prototypes added.
4511 * config/s390/s390.c (s390_extra_constraint_str,
4512 s390_const_double_ok_for_constraint_p,
4513 s390_const_ok_for_constraint_p): Functions removed.
4514 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4515 s390_float_const_zero_p): New functions.
4516 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4517 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4518 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4519 Macro definitions removed.
4520 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4521 s390_extra_constraint_str): Functions removed.
4523 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4524 Richard Sandiford <richard@codesourcery.com>
4527 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4528 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4530 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4532 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4533 (DWARF2_FRAME_REG_OUT): Likewise.
4534 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4535 (DWARF2_FRAME_REG_OUT): Likewise.
4537 2006-10-17 Paul Brook <paul@codesourcery.com>
4539 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4541 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4543 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4544 Standardize on "GNU Fortran" as the official name of the Fortran
4547 2006-10-16 Mike Stump <mrs@apple.com>
4549 * doc/invoke.texi (Darwin Options): Document -mkernel.
4550 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4552 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4553 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4554 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4555 (OS_MISSING_ALTIVEC): Add.
4556 * config/i386/i386.c (override_options): Add
4557 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4558 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4559 -mkernel, -static or -mdynamic-no-pic is given.
4560 (C_COMMON_OVERRIDE_OPTIONS): Add.
4561 * config/darwin.opt (fapple-kext): Add.
4563 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4564 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4566 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4567 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4568 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4569 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4570 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4571 (flag_mkernel): Add.
4572 (flag_apple_kext): Add.
4573 (TARGET_KEXTABI): Add.
4574 * config/darwin.c (darwin_handle_kext_attribute): Add.
4575 (DARWIN_VTABLE_P): Add.
4576 (darwin_binds_local_p): Add partial support for rebinding vtables
4578 (darwin_kextabi_p): Add.
4579 (darwin_override_options): Add.
4580 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4581 (darwin_kextabi_p): Add.
4582 (darwin_override_options): Add.
4583 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4584 __DYNAMIC__ and __STATIC__ here.
4586 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4588 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4589 Added mention of "make pdf" target, and Texinfo requirements for
4592 2006-10-16 DJ Delorie <dj@redhat.com>
4594 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4595 into the GOT in case we need a subreg of the address.
4597 2006-10-16 Richard Guenther <rguenther@suse.de>
4600 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4601 SSE builtin documentation. Document SSE2 builtins.
4603 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4605 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4606 symbol in the output file for non-shared links when -nostdlib or
4607 -nodefaultlibs isn't specified.
4609 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4610 posix thread support.
4612 2006-10-15 Jan Hubicka <jh@suse.cz>
4615 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4616 declared always_inline even when not inlining.
4618 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4619 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4620 Andrew Pinski <pinskia@gmail.com>
4623 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4625 2006-10-15 Jan Hubicka <jh@suse.cz>
4626 Richard Guenther <rguenther@suse.de>
4629 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4630 process_function_and_variable_attributes on all variables, including
4631 those discovered during cgraph construction phase.
4633 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4635 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4637 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4639 * config/i386/athlon.md (athlon_fist): Add fisttp.
4641 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4642 Ian Lance Taylor <ian@airs.com>
4645 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4646 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4649 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4651 * config/score/score.c, config/score/score.h: Fix comment
4654 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4657 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4660 2006-10-13 Eric Christopher <echristo@apple.com>
4662 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4664 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4667 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4668 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4669 alignment supported by 32-bit ELF.
4671 2006-10-13 Eric Christopher <echristo@apple.com>
4673 * config/darwin.c (darwin_emit_unwind_label): Strip
4674 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4676 2006-10-13 Richard Guenther <rguenther@suse.de>
4678 PR tree-optimization/29446
4679 * tree-vrp.c (fix_equivalence_set): Remove.
4680 (extract_range_from_assert): Do not call fix_equivalence_set.
4681 (debug_value_range): Print a newline.
4682 (compare_name_with_value): For equivalence sets with
4683 inconsistent value ranges conservatively bail out.
4684 (compare_names): Likewise.
4686 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4688 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4689 and MPFR for gfortran.
4691 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4693 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4694 alignment supported by 32-bit ELF.
4696 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4700 * c-typeck.c (digest_init): Always allow initializing vectors
4701 that have static storage duration with compound literals.
4702 * tree.c (build_type_attribute_qual_variant): New, based on
4703 build_type_attribute_variant.
4704 (build_type_attribute_variant): Rewrite using the former.
4705 (make_vector_type): Use build_type_attribute_qual_variant to build
4706 type variants. Use type_hash_canon on the others.
4708 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4709 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4711 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4713 2006-10-12 Jan Hubicka <jh@suse.cz>
4716 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4717 current_function_decl is set but current_function_scope is not.
4719 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4721 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4722 emit_insn to emit eh_return_internal instruction.
4723 (eh_return_internal): Explicitly set pc.
4725 2006-10-11 Richard Guenther <rguenther@suse.de>
4727 PR tree-optimization/28230
4728 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4729 to the correct place.
4731 2006-10-11 Richard Guenther <rguenther@suse.de>
4734 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4737 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4739 * configure.ac: Added pdf to "Make-hooks"
4740 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4741 targets and *.pdf file patterns in cleanup targets.
4742 * configure: Regenerated.
4744 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4746 * config/avr/predicates.md: New file.
4747 * config/avr/avr.md: Include it.
4748 (REG_SP): New constant.
4749 (peepholes): Use predicates.
4750 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4751 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4752 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4754 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4756 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4759 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4762 * builtins.c (var_decl_component_p): New function.
4763 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4764 single entry optimization to variables and components thereof.
4766 2006-10-10 Richard Guenther <rguenther@suse.de>
4768 PR rtl-optimization/29323
4769 * except.c (set_nothrow_function_flags): For functions
4770 that do not bind local bail out early.
4772 2006-10-10 Ben Elliston <bje@au.ibm.com>
4774 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4777 2006-10-09 Richard Henderson <rth@redhat.com>
4779 Revert emutls patch.
4781 2006-10-09 Richard Guenther <rguenther@suse.de>
4784 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4787 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4790 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4791 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4792 * configure: Regenerate.
4793 * config.in: Regenerate.
4795 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4797 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4799 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4801 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4802 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4803 Remove stray newline.
4805 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4807 * config/mips/mips.c (mips_classify_symbol): Do not return
4808 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4809 (mips_in_small_data_p): Tweak comments.
4811 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4813 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4815 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4817 * gimplify.c, sched-int.h: Fix comment typos.
4819 * sched-int.h: Fix comment typos.
4821 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4823 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4825 * sched-ebb.c (begin_schedule_ready): Use them.
4826 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4827 add_to_speculative_block, create_check_block_twin, speculate_insn,
4828 fix_jump_move, move_block_after_check): Ditto.
4829 * sched-rgn.c (new_ready): Ditto.
4831 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4833 PR rtl-optimization/29128
4834 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4835 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4836 allow interblock movement of speculation checks.
4838 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4841 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4842 casted to integer type.
4843 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4844 if they are significantly more expensive than [reg + index] ones.
4846 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4848 PR tree-optimization/29330
4849 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4850 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4851 on newly allocated ddrs.
4852 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4853 to VEC (loop_p, heap) pointer.
4854 (compute_data_dependences_for_loop): Adjust caller.
4855 (free_dependence_relations): Free DDR_LOOP_NEST.
4857 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4858 free DEPENDENCE_RELATIONS and DATAREFS.
4861 * builtins.c (expand_builtin_sync_operation,
4862 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4863 Use convert_to_mode to handle promoted arguments.
4865 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4867 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4869 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4871 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4873 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4875 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4876 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4877 Use <modeconstraint> instead of "r" as operand 1 constraint.
4879 2006-10-06 Olivier Hainque <hainque@adacore.com>
4881 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4882 Don't recurse on the pointed-to type.
4883 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4884 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4885 types with components of variable size.
4887 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4889 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4891 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4893 PR tree-optimization/29290
4894 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4898 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4899 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4902 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4903 the number of vector elements fill the rest with zeros.
4905 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4907 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4908 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4911 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4913 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4914 unnamed pattern into subsi3. Use correct constraints/predicates.
4915 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4916 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4918 2006-10-05 Ira Rosen <irar@il.ibm.com>
4920 * doc/loop.texi: Add data references analysis description.
4922 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4924 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4926 2006-10-04 Richard Henderson <rth@redhat.com>
4927 Jakub Jelinek <jakub@redhat.com>
4929 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4930 * builtin-types.def (BT_WORD): Make unsigned.
4931 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4932 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4933 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4934 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4935 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4936 * cgraph.c (decide_is_variable_needed): Look at force_output.
4937 Recurse for emulated tls.
4938 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4939 checks redundant with decide_is_variable_needed.
4940 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4941 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4943 * expr.c (emutls_var_address): New.
4944 (expand_expr_real_1): Expand emulated tls.
4945 (expand_expr_addr_expr_1): Likewise.
4946 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4947 * output.h (emutls_finish): Declare.
4948 * toplev.c (compile_file): Call it.
4949 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4950 address before wrapping in CONST.
4951 * varasm.c (emutls_htab, emutls_object_type): New.
4952 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4953 (get_emutls_object_name, get_emutls_object_type): New.
4954 (get_emutls_init_templ_addr, emutls_decl): New.
4955 (emutls_common_1, emutls_finish): New.
4956 (assemble_variable): When emulating tls, swap decls; generate
4957 constructor for the emutls objects.
4958 (do_assemble_alias): When emulating tls, swap decl and target name.
4959 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4961 * emutls.c: New file.
4962 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4963 tls_object for real tls.
4965 2006-10-04 Zack Weinberg <zackw@panix.com>
4967 Fix bug in constraint-check generator, reported by Rask Ingemann
4969 * genpreds.c (add_constraint): Don't remove anything from the
4971 (write_tm_constrs_h): Detect whether "op" argument is used, and
4972 mark it ARG_UNUSED if it isn't.
4973 (write_insn_const_int_ok_for_constraint): Skip the part of the
4974 expression that would test whether "op" (which is not available
4975 here) is a CONST_INT.
4977 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4980 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4982 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4984 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4985 current Leopard versions.
4986 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4988 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4990 * doc/install.texi: Fix typos.
4992 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4994 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4995 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4996 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4998 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
5000 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
5001 arg to be struct mach_header_64* instead.
5003 2006-10-02 Jakub Jelinek <jakub@redhat.com>
5006 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
5007 side effects after the outer expression's post side effects.
5009 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
5011 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
5012 comments to reflect actual behavior and relationship between
5013 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
5015 * doc/c-tree.texi (Working with declarations): Fix documentation
5016 of FIELD_DECL likewise.
5018 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
5021 * doc/extend.texi: Add used variable attribute description.
5023 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
5026 * c.opt (Woverride-init): New.
5027 * c-opts.c (c_common_post_options): Default warn_override_init to
5029 * c-typeck.c (add_pending_init, output_init_element): Warn for
5030 overriding initializers without side effects.
5031 * doc/invoke.texi (-Woverride-init): Document.
5034 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
5036 PR rtl-optimization/28096
5037 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
5038 assignment has already been used as a destination earlier in the block.
5040 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
5042 * builtins.c (expand_builtin_setjmp): Delete.
5043 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
5044 <BUILT_IN_SETJMP_SETUP>: New case.
5045 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
5046 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
5047 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
5048 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
5049 (BUILT_IN_SETJMP_RECEIVER): Likewise.
5050 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
5051 (lower_function_body): Initialize it to false. If it is set to true
5052 at the end of the processing, emit the setjmp dispatcher.
5053 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
5054 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
5055 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
5056 on the rhs of the assignment.
5057 (lower_builtin_setjmp): New function.
5058 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
5059 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
5060 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
5061 to detect calls that can go to non-local labels. Use specific
5062 helper to create the abnormal edges associated with them.
5063 <MODIFY_EXPR>: Likewise.
5064 (make_abnormal_goto_edges): New function extracted from...
5065 (make_goto_expr_edges): ...here. Call it for computed gotos.
5066 (simple_goto_p): Minor tweak.
5067 (tree_can_make_abnormal_goto): New predicate.
5068 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
5069 (tree_purge_dead_abnormal_call_edges): New function.
5070 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
5071 (tree_purge_dead_abnormal_call_edges): Likewise.
5072 (make_abnormal_goto_edges): Likewise.
5073 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
5074 Purge all dead abnormal edges if the call was in the last statement.
5075 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
5076 (execute_fixup_cfg): If there are non-local labels in the function,
5077 scan the basic blocks and split them at calls that can go to non-local
5078 labels or add missing abnormal call edges. Write down the CFG in the
5080 (pass_fixup_cfg): Remove TODO_dump_func flag.
5081 * unwind-sjlj.c: Poison setjmp.
5082 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
5083 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
5084 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
5085 (DONT_USE_BUILTIN_SETJMP): Document it.
5087 2006-09-28 Geoffrey Keating <geoffk@apple.com>
5090 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
5091 to 1 when __ppc64__ is defined.
5092 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
5094 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
5096 2006-09-28 Steve Ellcey <sje@cup.hp.com>
5098 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
5099 * config/ia64/unwind-hpux.c: Delete.
5101 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
5103 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
5104 on the element before gimplifying it, instead of punting if it is of
5107 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
5109 * doc/loop.texi: New file.
5110 * doc/gccint.texi: Reference loop.texi.
5111 * Makefile.in (loop.texi): Add.
5113 2006-09-27 Geoffrey Keating <geoffk@apple.com>
5115 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
5117 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5118 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5120 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
5122 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
5124 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
5126 * doc/install.texi: Document required versions of GMP and MPFR.
5128 2006-09-27 Paul Brook <paul@codesourcery.com>
5131 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
5133 2006-09-27 Richard Sandiford <richard@codesourcery.com>
5135 * reload1.c (alter_reg): Require the alignment of the stack slot to
5136 be at least reg_max_ref_width bytes.
5137 (scan_paradoxical_subregs): Record the largest width in
5140 2006-09-26 Jakub Jelinek <jakub@redhat.com>
5144 * tree-nested.c (struct nesting_info): Added static_chain_added.
5145 (convert_call_expr): Set static_chain_added when adding static
5146 chain. Handle OMP_PARALLEL and OMP_SECTION.
5148 2006-09-25 Matthias Klose <doko@debian.org>
5150 * doc/invoke.texi: Add missing full stop.
5152 2006-09-25 Richard Henderson <rth@redhat.com>
5154 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
5155 before cgraph_function_flags_ready.
5157 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
5158 Adam Nemet <anemet@caviumnetworks.com>
5160 * tree-ssa-loop-ivopts.c (aff_combination_convert,
5161 determine_common_wider_type): New functions.
5162 (get_computation_aff): Use them to simplify arithmetic between
5163 UBASE and CBASE if they are shortened from the same type.
5165 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
5168 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
5169 -2147483647 - 1 instead of 0x80000000.
5171 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
5173 * flags.h (HONOR_NANS): Fix typo in comment.
5175 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5177 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5179 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5183 * tree.c (merge_attributes, attribute_list_contained): If both
5184 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5186 * c-typeck.c (comptypes_internal): Don't consider aggregates
5187 in different TUs as compatible if there one set of attributes is
5188 not a subset of the other type's attributes.
5189 (composite_type): Try harder not to create a new aggregate type.
5191 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5193 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5194 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5195 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5196 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5197 than replicating condition above.
5198 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5200 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5201 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5202 the linker by default.
5204 2006-09-22 Mike Stump <mrs@apple.com>
5206 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5209 2006-09-22 Richard Guenther <rguenther@suse.de>
5212 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5213 sort of stack variables stable.
5215 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5218 * explow.c (force_reg): Set REG_POINTER flag according to
5221 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5223 PR tree-optimization/28888
5224 * tree-if-conv.c (combine_blocks): Rewritten.
5225 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5226 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5228 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5230 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5233 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5235 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5237 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5239 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5241 2006-09-21 Roger Sayle <roger@eyesopen.com>
5244 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5245 dw_fde_current_label, to be the start of the function, i.e. the same
5246 value as dw_fde_begin.
5248 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5250 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5251 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5252 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5253 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5254 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5255 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5256 (abs<mode>2, neg<mode>2): Likewise.
5257 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5258 (*mips_abs_ps): New define_insn.
5260 2006-09-20 Josh Conner <jconner@apple.com>
5263 * calls.c (expand_call): Allow reuse of structure return stack
5266 2006-09-20 Paul Brook <paul@codesourcery.com>
5268 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5271 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5273 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5274 clean up terminology.
5276 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5279 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5280 with tablejumps in them.
5282 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5285 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5286 wrap it into TARGET_EXPR.
5288 2006-09-20 Eric Christopher <echristo@apple.com>
5290 * config/i386/i386.c (x86_fisttp): Remove.
5291 * config/i386/i386.h (x86_fisttp): Ditto.
5292 (TARGET_FISTTP): Ditto.
5294 2006-09-19 Eric Christopher <echristo@apple.com>
5296 * doc/tm.texi (OBJC_JBLEN): Describe.
5297 * config/i386/darwin.h (OBJC_JBLEN): Define.
5298 * config/rs6000/darwin.h: Ditto.
5300 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5302 PR rtl-optimization/21299
5303 * reload1.c (reload): Purge invalid ASMs in the final pass.
5305 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5308 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5309 pointers as legitimate constants.
5311 2006-09-19 Paul Brook <paul@codesourcery.com>
5314 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5316 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5318 PR tree-optimization/28887
5319 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5320 component parts from the reference.
5321 (gather_memory_references_ref): Record the reference without the
5322 nonaddressable component parts.
5324 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5327 * c-opts.c (c_common_handle_option): Ignore the -std options
5328 if the input language is assembly.
5330 2006-09-17 Ira Rosen <irar@il.ibm.com>
5333 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5335 (ptr_ptr_may_alias_p): Likewise.
5336 (record_record_differ_p): New function.
5337 (base_object_differ_p): Call record_record_differ_p.
5339 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5342 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5343 away for the expr argument.
5345 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5348 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5349 before using it for dumping after vectorizing loops.
5351 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5352 Jack Howarth <howarth@bromo.med.uc.edu>
5355 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5356 skip on error_mark_node.
5357 (rs6000_darwin64_record_arg_recurse): Likewise.
5359 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5361 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5362 * doc/rtl.texi: Remove related documentation.
5364 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5366 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5369 2006-09-15 Jim Wilson <wilson@specifix.com>
5371 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5372 Handle symbol offsets same as they are handled in ia64_expand_move
5375 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5377 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5378 Add forgotten parameter to the fprintf call.
5380 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5382 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5384 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5386 * doc/contrib.texi: Add my entry.
5388 2006-09-15 Nick Clifton <nickc@redhat.com>
5390 * doc/md.texi (Processor pipeline description): Fix typo in
5391 example of how to use the absence_set directive and reword the
5392 description to make it slightly easier to read.
5394 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5396 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5397 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5398 expanding the number of iterations.
5399 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5401 * cfgrtl.c (emit_insn_at_entry): New function.
5402 * rtl.h (emit_insn_at_entry): Declare it.
5403 * integrate.c (emit_initial_value_sets): Use it.
5405 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5407 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5409 (struct loop_work and related VEC declarations): Delete.
5410 (bfin_dump_loops): Print out new member bad.
5411 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5412 (bfin_scan_loop): Don't recurse.
5413 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5414 loops. No longer need to update outer loops if the current one is
5415 found bad. Move some validitiy checks to bfin_discover_loop.
5416 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5417 but changed not to check for nesting. Also changed to use the new bad
5419 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5420 time. Use bitmap based test to discover loop nesting.
5422 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5424 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5427 2006-09-14 Richard Guenther <rguenther@suse.de>
5428 Kazu Hirata <kazu@codesourcery.com>
5430 PR middle-end/28884.
5431 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5432 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5433 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5434 with TARGET_FUNCTION_VALUE.
5436 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5439 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5441 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5443 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5446 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5449 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5452 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5454 * basic_block.h (bb_has_eh_pred): Fix comment.
5456 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5458 * flow.c (calculate_global_regs_live): Invalidate eh registers
5459 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5460 (propagate_block): Handle eh registers as if they were set at basic
5462 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5464 * global.c (global_conflicts): Make eh registers to conflict with
5465 pseudos live at basic block begin.
5466 * basic_block.h (bb_has_eh_pred): New function.
5468 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5470 PR rtl-optimization/28982
5471 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5472 index of a PRE_MODIFY or POST_MODIFY address.
5473 * reload1.c (inc_for_reload): Use find_replacement on the original
5474 base and index registers.
5476 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5478 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5479 for -Os. Update __m128 alignment requirement.
5481 2006-09-13 Jan Hubicka <jh@suse.cz>
5483 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5485 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5487 PR rtl-optimization/28243
5488 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5489 the insn to which the note was originally attached.
5491 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5492 Roger Sayle <roger@eyesopen.com>
5494 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5495 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5496 on platforms that don't use dwarf for debug info.
5498 2006-09-12 Jason Merrill <jason@redhat.com>
5501 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5502 hard_frame_pointer_rtx after using it to update the frame pointer.
5504 2006-09-12 Roger Sayle <roger@eyesopen.com>
5506 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5507 (TARGET_ASM_CLOSE_PAREN): Likewise.
5508 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5509 (TARGET_ASM_CLOSE_PAREN): Likewise.
5511 2006-09-12 Roger Sayle <roger@eyesopen.com>
5514 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5515 frame information for frames larger than 512 Kbytes on Tru64 when
5516 using the native assembler.
5518 2006-09-12 Roger Sayle <roger@eyesopen.com>
5522 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5523 and symbols. Instead use the implementation from cse.c's hash_rtx.
5525 2006-09-12 Jan Hubicka <jh@suse.cz>
5527 PR rtl-optimization/28071
5528 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5529 (vect_transform_loop): Likewise.
5530 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5531 (new_loop_vec_info): Likewise.
5532 (destroy_loop_vec_info): Likewise.
5533 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5534 (create_stmt_ann): Likewise.
5535 (create_tree_ann): Rename to ...
5536 (create_tree_common_ann): ... this one; allocate only the common part
5538 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5539 (get_value_handle): Likewise.
5540 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5541 get_tree_common_ann.
5542 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5543 (vinfo_for_stmt): Use stmt annotations.
5544 * tree-flow.h (tree_ann_common_t): New type.
5545 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5546 (tree_ann, get_tree_ann, create_tree_ann): New.
5547 * tree-flow-inline.h (get_function_ann): Do more type checking.
5548 (stmt_ann): Likewise.
5549 (tree_ann): Rename to ...
5550 (tree_common_ann): ... this one; return ony common_ann
5551 (get_tree_ann): Rename to ...
5552 (tree_common_ann): This one; return only common_ann.
5553 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5556 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5558 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5559 with_cpu by default.
5561 * dwarf2out.c (dwarf_file_data): New.
5562 (enum dw_val_class): Add dw_val_class_file.
5563 (struct dw_val_struct): Add val_file.
5564 (file_table): Change to a hash table.
5565 (file_table_emitted): Delete.
5566 (file_table_last_lookup_index): Delete.
5567 (emitcount): Delete.
5568 (last_emitted_file): New.
5569 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5570 (init_file_table): Delete.
5571 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5572 (AT_addr): Add comment.
5576 (print_die): Handle dw_val_class_file.
5577 (print_dwarf_line_table): Update for new file table structure.
5578 (attr_checksum): Do checksum a filename.
5579 (same_dw_val_p, same_attr_p): Do compare a filename.
5580 (size_of_die): Handle dw_val_class_file.
5581 (value_format): Likewise.
5582 (output_die): Likewise. Also, call maybe_emit_file here.
5583 (struct file_info): Constify filenames. Make file_idx a pointer
5584 to a struct dwarf_file_data.
5585 (struct dir_info): Constify directory names. Remove 'used' field.
5586 (struct file_name_acquire_data): New.
5587 (file_name_acquire): New.
5588 (output_file_names): Modify to handle new file data structures.
5589 (add_src_coords_attributes): Use add_AT_file.
5590 (add_call_src_coords_attributes): Likewise.
5591 (dwarf2out_imported_module_or_decl): Likewise.
5592 (gen_subprogram_die): Modify for new file data structures.
5593 (gen_variable_die): Likewise.
5594 (file_table_eq): New.
5595 (file_table_hash): New.
5596 (file_table_last_lookup): New.
5597 (lookup_filename): Rewrite to handle new file data structures.
5598 (maybe_emit_file): Rewrite to handle new file data structures.
5599 (dwarf2out_source_line): Always call lookup_filename and
5601 (dwarf2out_init): Create file_table here.
5602 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5603 (file_table_relative_p): New.
5604 (dwarf2out_finish): Change detection of relative filenames
5605 to work with new file data structures. Move output_line_info call
5606 after debug_info output.
5608 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5613 * config/i386/i386.c (override_options): Always default to 16
5614 byte stack boundary.
5616 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5619 * var-tracking.c (dump_dataflow_set): Start dumping at
5621 (clobber_variable_part): Kill only the variable part in
5622 registers holding it, leaving other variables alone.
5624 2006-09-11 Josh Triplett <josh@freedesktop.org>
5626 * doc/extend.texi (Other Builtins): Actually use the macro
5627 argument in the documentation example for
5628 __builtin_types_compatible_p.
5630 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5632 PR rtl-optimization/28726
5633 * sched-deps.c (sched_analyze_reg): New function extracted from...
5634 (sched_analyze_1): ...here. Call it to analyze references to
5635 registers. Treat again writes to a stack register as writing to the
5637 (sched_analyze_2): ...and here. Call it to analyze references to
5638 registers. Treat again reads of a stack register as reading the
5641 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5642 David Edelsohn <edelsohn@gnu.org>
5645 * config/rs6000/spe.md (frob_df_di): Remove %H.
5646 (frob_di_df): Remove %H. Change evmergelo to mr.
5647 (frob_di_df_2): Remove %H. Change evldd to two loads.
5649 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5651 * doc/cpp.texi: Fix names of charset options.
5653 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5656 * config/i386/i386.c (override_options): Use 128-bit
5657 stack boundary always for 64bits.
5659 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5661 PR rtl-optimization/28636
5662 * combine.c (force_to_mode): Test for side-effects before
5663 substituting by zero.
5664 (simplify_shift_const): Likewise for zero or other constants.
5666 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5669 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5672 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5675 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5676 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5677 returned by mode_for_size, rather than the mode of src itself,
5678 to choose between 32-bit and 64-bit patterns.
5679 (mips_mem_fits_mode_p): New function.
5680 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5681 that the size of the source matches the size of the destination.
5682 (mov_<store>l, mov_<store>r): Likewise.
5684 2006-09-10 Eric Christopher <echristo@apple.com>
5686 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5689 2006-09-09 Eric Christopher <echristo@apple.com>
5692 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5695 2006-09-09 Roger Sayle <roger@eyesopen.com>
5696 Nicolas Setton <setton@adacore.com>
5698 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5700 2006-09-10 Andreas Schwab <schwab@suse.de>
5702 * config/m68k/m68k.md (bungt_rev): New pattern.
5704 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5705 Dale Johannesen <dalej@apple.com>
5708 * regclass.c (struct reg_pref): Update documentation.
5709 (regclass): Set prefclass to NO_REGS if memory is the best option.
5710 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5712 2006-09-08 Eric Christopher <echristo@apple.com>
5714 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5715 * config/t-slibgcc-darwin: Support x86_64 multilib.
5716 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5717 Return 1 for x86_64-darwin.
5718 * config/i386/t-darwin: Add m64 multilib.
5719 (LIB2_SIDITI_CONV_FUNCS): Use.
5720 (LIB2FUNCS_EXTRA): Ditto.
5721 * config/i386/darwin.h: Support x86_64.
5722 * config/i386/i386.c (override_options): Turn on flag_pic
5723 for x86_64-darwin. Disable flag_omit_pointer.
5724 (get_pc_thunk_name): Assert !TARGET_64BIT.
5725 (legitimate_address_p): Disable machopic addressing for
5727 (legitimize_pic_address): Ditto.
5728 (ix86_expand_move): Ditto.
5729 (ix86_expand_call): Ditto.
5730 (machopic_output_stub): Ditto.
5731 * config/darwin.c (machopic_select_section): Support literal16.
5732 (machopic_select_rtx_section): Ditto.
5733 * config/darwin-sections.def: Ditto.
5734 * config/darwin-64.c: New.
5736 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5739 * c-tree.h (struct c_arg_info): Add pending_sizes.
5740 * c-parser.c (c_parser_parms_declarator,
5741 c_parser_parms_list_declarator): Initialize pending_sizes.
5742 * c-decl.c (get_parm_info): Initialize pending_sizes.
5743 (get_parm_info): Set pending_sizes.
5744 (grokdeclarator): Call put_pending_sizes for parameters for
5745 function definition only.
5747 2006-09-07 Jason Merrill <jason@redhat.com>
5750 * varasm.c (output_constant): Only strip actual no-op conversions.
5753 * config/i386/i386.c (override_options): Use 128-bit
5754 stack boundary if -msse.
5756 2006-09-07 Eric Christopher <echristo@apple.com>
5758 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5760 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5763 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5765 * dwarf2out.c: Remove strange characters from comment above
5766 dwarf2out_frame_debug_expr.
5768 2006-09-07 Eric Christopher <echristo@apple.com>
5770 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5771 * config/darwin.h: ... to here.
5773 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5775 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5777 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5778 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5780 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5781 TARGET_PARTIAL_FLAG_REG_STALL.
5782 (*ashldi3_cconly_rex64): Likewise.
5783 (*ashlsi3_cmp): Likewise.
5784 (*ashlsi3_cconly): Likewise.
5785 (*ashlsi3_cmp_zext): Likewise.
5786 (*ashlhi3_cmp): Likewise.
5787 (*ashlhi3_cconly): Likewise.
5788 (*ashlqi3_cmp): Likewise.
5789 (*ashlqi3_cconly): Likewise.
5790 (*ashrdi3_cmp_rex64): Likewise.
5791 (*ashrdi3_cconly_rex64): Likewise.
5792 (*ashrsi3_cmp): Likewise.
5793 (*ashrsi3_cconly): Likewise.
5794 (*ashrsi3_cmp_zext): Likewise.
5795 (*ashrhi3_cmp): Likewise.
5796 (*ashrhi3_cconly): Likewise.
5797 (*ashrqi3_cmp): Likewise.
5798 (*ashrqi3_cconly): Likewise.
5799 (*lshrdi3_cmp_rex64): Likewise.
5800 (*lshrdi3_cconly_rex64): Likewise.
5801 (*lshrsi3_cmp): Likewise.
5802 (*lshrsi3_cconly): Likewise.
5803 (*lshrsi3_cmp_zext): Likewise.
5804 (*lshrhi3_cmp): Likewise.
5805 (*lshrhi3_cconly): Likewise.
5806 (*lshrqi2_cmp): Likewise.
5807 (*lshrqi2_cconly): Likewise.
5809 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5812 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5813 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5814 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5815 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5816 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5817 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5818 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5819 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5820 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5821 implement only CC setting effects of shift instructions.
5823 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5825 * doc/contrib.texi: Add myself.
5827 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5830 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5831 was set by the user.
5833 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5836 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5837 (divsi_inv_m1): Use them.
5838 (UNSPEC_DIV_INV_TABLE): New constant.
5840 2006-09-06 James E Wilson <wilson@specifix.com>
5843 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5844 then call count_or_remove_death_notes.
5846 2006-09-06 Jason Merrill <jason@redhat.com>
5849 * tree-inline.c (copy_result_decl_to_var): New fn.
5850 (declare_return_variable): Use it. Call declare_inline_vars here.
5851 (expand_call_inline): Not here.
5853 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5855 * doc/contrib.texi: Update my entry.
5857 2006-09-06 Nick Clifton <nickc@redhat.com>
5859 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5861 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5864 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5865 (canonicalize_induction_variables): Likewise.
5866 (tree_unroll_loops_completely): Likewise.
5867 (tree_ssa_prefetch_arrays): Likewise.
5868 (remove_empty_loops): Likewise.
5869 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5870 TODO_cleanup_cfg instead of directly calling
5871 cleanup_tree_cfg_loop.
5872 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5874 (tree_unroll_loops_completely): Likewise.
5875 (remove_empty_loops): Likewise.
5876 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5877 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5878 of tree_ssa_unswitch_loops.
5879 (tree_ssa_loop_ivcanon): Use the return value of
5880 canonicalize_induction_variables.
5881 (tree_ssa_empty_loop): Use the return value of
5883 (tree_complete_unroll): Use the return value of
5884 tree_unroll_loops_completely.
5885 (tree_ssa_loop_prefetch): Use the return value of
5886 tree_ssa_prefetch_arrays.
5887 * passes.c (execute_todo): Before Cleanup CFG, set
5888 updating_used_alone and after cleanup CFG, call
5889 recalculate_used_alone.
5891 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5894 * tree-vect-transform.c (vectorizable_condition): Move the check
5895 for the type after the check for simple condition.
5897 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5898 Kaz Kojima <kkojima@gcc.gnu.org>
5901 * mode-switching.c (optimize_mode_switching): Make the destination
5902 block of an abnormal edge have no anticipatable mode. Don't
5903 insert mode switching code at the end of the source block of
5906 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5908 PR rtl-optimization/26847
5909 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5910 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5911 (simplify_plus_minus): Count n_constants while filling ops. Replace
5912 qsort with insertion sort. Before going through the array to simplify
5913 pairs, sort it. Delay early exit until after the first sort, exiting
5914 only if no swaps occurred. Simplify pairs in reversed order, without
5915 special-casing the first iteration. Pack ops after simplifying pairs.
5917 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5919 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5920 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5921 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5922 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5924 2006-09-05 Richard Guenther <rguenther@suse.de>
5926 PR tree-optimization/28900
5927 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5928 compound conditional before creating COND_EXPR condition.
5930 2006-09-05 Richard Guenther <rguenther@suse.de>
5932 PR tree-optimization/28905
5933 * tree-vrp.c (fix_equivalence_set): Manually implement
5934 !value_ranges_intersect_p to also handle symbolic ranges.
5936 2006-09-05 Richard Guenther <rguenther@suse.de>
5939 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5942 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5944 PR rtl-optimization/27616
5945 * cse.c (table_size): New static variable.
5946 (new_basic_block): Initialize it to 0.
5947 (remove_from_table): Decrement it.
5948 (insert): Increment it.
5949 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5950 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5951 fold_rtx_mem_1 if under the cap.
5952 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5953 the lookup of the equivalent expression and test for equality of the
5954 first operand of the equivalent expression before in turn looking up
5955 an equivalent constant for the second operand.
5957 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5960 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5961 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5962 pointer, instead of assuming it is possible to derive the
5963 correct args size from a call insn.
5965 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5968 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5969 (fold_builtin_mempcpy): Rename to...
5970 (fold_builtin_memory_op): ... this. Optimize one element copy
5972 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5974 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5975 (expand_builtin_memcpy, expand_builtin_mempcpy,
5976 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5977 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5978 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5979 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5981 2006-09-01 DJ Delorie <dj@redhat.com>
5983 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5984 (stzx_16): Likewise.
5985 ("stzx_24_<mode>"): Likewise.
5986 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5987 ("cmp<mode>_op"): New.
5988 (cmp<mode>): Change to expander; just save operands.
5990 (b<code>): Change to expander, emit compare here.
5991 (s<code>_op): Change to use split and expander.
5992 (s<code>_24_op): Likewise.
5993 (s<code>_<mode>): New.
5994 (s<code>_<mode>_24): New.
5995 (movqicc_<code>_<mode): New.
5996 (movhicc_<code>_<mode>): New.
5999 * config/m32c/m32c.c (compare_op0, compare_op1): New.
6000 (m32c_pend_compare): New.
6001 (m32c_unpend_compare): New.
6002 (m32c_expand_scc): New.
6003 (m32c_expand_movcc): Emit the compare also.
6004 * config/m32c/predicates.md (mra_nopp_operand): New.
6006 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
6007 Richard Guenther <rguenther@suse.de>
6008 Adam Nemet <anemet@caviumnetworks.com>
6011 * builtins.c (get_pointer_alignment): Handle more forms
6012 of base addresses that can be used to derive more precise
6013 information about alignment.
6015 2006-09-01 Jason Merrill <jason@redhat.com>
6018 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
6021 * gimplify.c (voidify_wrapper_expr): Handle null type.
6023 2006-09-01 Josh Conner <jconner@apple.com>
6026 * tree-nrv.c (dest_safe_for_nrv_p): New function.
6027 (execute_return_slot_opt): Use it.
6029 2006-08-31 Josh Conner <jconner@apple.com>
6032 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
6033 returning aggregates.
6035 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
6037 PR tree-optimization/28839
6038 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
6039 blocks in that phi arguments appear.
6041 2006-08-31 Roger Sayle <roger@eyesopen.com>
6044 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
6045 NULL, otherwise use an advance_loc4 to adjust relative to the
6047 (output_cfi) <DW_CFA_set_loc>: Update the current label.
6048 (dwarf2out_switch_text_section): Reset the current label to avoid
6049 using advance_loc4 over section boundaries.
6051 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
6054 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
6055 r12 + SYMBOLIC_CONST.
6057 2006-08-30 Richard Guenther <rguenther@suse.de>
6059 * Makefile.in (see.o): Add $(EXPR_H) dependency.
6061 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
6063 PR rtl-optimization/27735
6064 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
6065 Add new argument to keep track of whether an irreducible region
6066 was affected. All callers changed.
6067 (fix_irreducible_loops): Removed.
6068 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
6069 flags were invalidated.
6071 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
6073 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
6074 instead of SF operands.
6075 (*fop_df_comm_sse): Likewise.
6076 (*fop_df_comm_i387): Likewise.
6077 (*fop_df_1_mixed): Likewise.
6078 (*fop_df_1_sse): Likewise.
6080 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6081 J"orn Rennecke <joern.rennecke@st.com>
6083 PR tree-optimization/17506
6084 * tree-ssa.c (warn_uninit): If warning about a location outside of
6085 the current function, note where the variable was declared.
6087 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
6089 PR tree-optimization/28411
6090 * double-int.c (double_int_div): Use double_int_divmod.
6091 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
6092 double_int_mod, double_int_smod, double_int_umod): New functions.
6093 * double-int.h (double_int_divmod, double_int_sdivmod,
6094 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
6096 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
6098 (get_computation_aff, get_computation_cost_at): Handle double_int
6099 return type of constant_multiple_of.
6101 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
6104 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
6105 an implicit conversion.
6107 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
6109 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
6111 2006-08-27 Roger Sayle <roger@eyesopen.com>
6113 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
6116 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
6118 * config/i386/crtfastmath.c: Fix a comment typo.
6120 2006-08-26 Roger Sayle <roger@eyesopen.com>
6122 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
6123 temporary visit flags on CASE_LABEL_EXPRs.
6124 * c-common.c (match_case_to_enum): Add function comment. Avoid
6125 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
6126 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
6127 CASE_HIGH_SEEN for enumerated types. If the switch expression is
6128 a constant, only warn if that constant value isn't handled.
6130 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
6133 * input.h (restore_input_file_stack): Declare.
6134 (INPUT_FILE_STACK_BITS): Define.
6135 * toplev.c (fs_p, input_file_stack_history,
6136 input_file_stack_restored, restore_input_file_stack): New.
6137 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
6138 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
6139 (pop_srcloc): Don't free old state of stack.
6141 2006-08-26 David Edelsohn <edelsohn@gnu.org>
6144 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
6145 (PowerPC Type Attributes): New.
6147 2006-08-26 Bob Wilson <bob.wilson@acm.org>
6149 * config/xtensa/xtensa.c (function_arg_boundary): New.
6150 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
6152 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
6153 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
6155 2006-08-26 Jakub Jelinek <jakub@redhat.com>
6158 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
6161 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6163 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
6164 (verify_local_live_at_start): Likewise.
6166 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6169 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
6170 omp_add_variable): Treat sizes as variable whenever not
6173 2006-08-26 Richard Guenther <rguenther@suse.de>
6176 * fold-const.c (fold_binary): Fold temporary to correct
6177 type before constructing new comparison.
6179 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6182 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6183 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6185 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6188 * c-decl.c (start_function): Don't try to process prototype
6189 information from old declaration that isn't a function.
6191 2006-08-25 Jan Hubicka <jh@suse.cz>
6194 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6196 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6199 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6202 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6204 PR tree-optimization/16876
6205 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6206 exit if PARM doesn't match VALUE.
6208 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6210 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6211 literal_prefix directive.
6212 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6213 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6214 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6216 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6219 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6220 predicate to general_operand. Add 0->y and I->r alternatives.
6222 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6224 * doc/tm.texi: Fix a typo.
6225 * predict.c: Fix comment typos.
6227 2006-08-25 Nick Clifton <nickc@redhat.com>
6229 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6230 assertions of "cpu" and "machine".
6232 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6235 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6236 the access through a base which has an alias set of 0 cannot
6239 2006-08-24 Bill Wendling <wendling@apple.com>
6241 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6243 2006-08-24 Jan Hubicka <jh@suse.cz>
6245 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6247 2006-08-24 Jan Hubicka <jh@suse.cz>
6250 * cgraph.c: Fix comments.
6251 (cgraph_varpool_mark_needed_node): Mark only variables not already
6253 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6254 (cgraph_varpool_assembled_nodes_queue): New static variable.
6255 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6256 (cgraph_varpool_output_debug_info): New function.
6257 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6258 * Makefile.in: Add gt-cgraphunit.h
6260 2006-08-24 Jan Hubicka <jh@suse.cz>
6262 * predict.c (probability_reliable_p): New predicate.
6263 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6264 (predict_loops): Do not predict loop exit with less than 2%
6266 * basic-block.h (edge_probability_reliable_p,
6267 br_prob_note_reliable_p): Declare.
6268 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6269 prediction when static predictor is not reliable.
6270 * rs6000.c (output_cbranch): Likewise.
6272 2006-08-23 Stuart Hastings <stuart@apple.com>
6275 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6276 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6278 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6281 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6282 complex values, nor for generic vector values.
6284 2006-08-22 Richard Guenther <rguenther@suse.de>
6287 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6288 parameter. Convert arguments to arithmetic expression to the
6290 (analyze_scalar_evolution_1): Adjust caller.
6292 2006-08-22 Jan Hubicka <jh@suse.cz>
6294 Patch by Paolo Bonzini
6295 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6298 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6300 PR tree-optimization/28003
6301 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6302 before grouping aliases.
6304 2006-08-22 Roger Sayle <roger@eyesopen.com>
6306 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6307 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6309 2006-08-21 Jason Merrill <jason@redhat.com>
6312 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6313 wrapper. Loop to handle nested wrappers.
6314 (gimplify_bind_expr): Remove temp parameter.
6315 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6316 and STATEMENT_LIST on the rhs.
6317 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6318 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6319 (gimplify_target_expr): Remove special BIND_EXPR handling.
6321 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6323 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6326 2006-08-21 Olivier Hainque <hainque@adacore.com>
6328 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6329 Arrange for the temporary captures of components overlapping the lhs
6330 to happen before the lhs is possibly cleared.
6332 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6334 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6335 necessary places to pass the correct "number of registers" values
6338 2006-08-20 Jan Hubicka <jh@suse.cz>
6340 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6341 (create_name_tags): Instead of quadratic checking use hashtable.
6342 * bitmap.h: Include hashtab.h.
6343 (bitmap_hash): Declare.
6344 * bitmap.c (bitmap_hash): New function.
6346 2006-08-20 Jan Hubicka <jh@suse.cz>
6348 PR rtl-optimization/28071
6349 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6351 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6352 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6353 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6354 cgraph_decide_inlining_incrementally): Update use of
6355 cgraph_check_inline_limits.
6356 * cgraph.c (edge_hash, edge_eq): New function.
6357 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6358 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6359 cgraph_remove_node): Maintain call site hash.
6360 * cgraph.h (struct cgraph_node): Add call_site_hash.
6361 (cgraph_set_call_stmt): New function.
6363 2006-08-20 Jan Hubicka <jh@suse.cz>
6365 PR rtl-optimization/28071
6366 * reload1.c (reg_has_output_reload): Turn into regset.
6367 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6368 choose_reload_regs, emit_reload_insns): Update to new
6369 reg_has_output_reload.
6371 2006-08-20 Jan Hubicka <jh@suse.cz>
6374 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6375 function body sizes.
6376 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6378 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6381 * tree.c (handle_dll_attribute): Return early if not a
6382 var or function decl.
6384 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6387 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6388 alignment of SPE vector types.
6390 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6392 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6394 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6397 * cgraph.h (struct cgraph_node): Remove externally_visible
6399 * cgraphunit.c (process_function_and_variable_attributes): Set
6400 local.externally_visible rather than externally_visible.
6403 * c-common.c (handle_externally_visible_attribute): First look
6404 at TREE_CODE and only if it is function or var decl, check for
6405 non-public objects. Don't warn for DECL_EXTERNAL.
6406 * cgraphunit.c (process_function_and_variable_attributes): Warn
6407 if externally_visible attribute is used on non-public object.
6409 2006-08-17 Jan Hubicka <jh@suse.cz>
6411 PR tree-optimization/27865
6412 * reload1.c (forget_marked_reloads): New function.
6413 (forget_old_reloads_1): When data are passed, just mark the registers
6415 (reload_as_needed): Use the new mechanizm.
6417 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6420 * reload.h (reg_equiv_alt_mem_list): New declaration.
6421 * reload1.c (reg_equiv_alt_mem_list): New definition.
6422 (reload): Initialize it and release it.
6423 (delete_output_reload): Use it.
6424 * reload.c (push_reg_equiv_alt_mem): New function.
6425 (find_reloads_toplev): Call it.
6426 (find_reloads_address, find_reloads_address_1): Likewise.
6427 (find_reloads_subreg_address): Likewise.
6429 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6431 PR rtl-optimization/28489
6432 * sched-ebb.c (begin_schedule_ready): Create basic block
6434 (advance_target_bb): Skip empty blocks.
6435 * haifa-sched.c (bb_note): Make global.
6436 * sched-int.h (bb_note): Add prototype.
6438 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6440 PR tree-optimization/27865
6441 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6443 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6444 fold_used_pointer, pointer_used_p): New functions.
6445 (analyze_scalar_evolution_1): Use fold_used_pointer.
6446 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6447 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6450 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6453 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6454 or the INTEGER_CST. Fail on a CALL_EXPR.
6455 (fold_offsetof): Pass new argument to fold_offsetof_1.
6456 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6457 operand into an INDIRECT_REF.
6458 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6460 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6462 PR gcov/profile/26570
6463 * value-prof.c (static_values): Removed.
6464 (tree_find_values_to_profile): Do not set static_values.
6465 (find_values_to_profile): Do not free static_values.
6466 * profile.c (instrument_values): Do not free the values.
6467 (branch_prob): Free the values.
6469 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6471 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6473 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6476 * c-typeck.c (build_component_ref): Combine qualifiers of
6477 structure or union and field.
6479 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6481 PR rtl-optimization/28071
6482 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6483 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6484 * tree-into-ssa.c (struct dom_dfsnum): New.
6485 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6487 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6488 compute_global_livein.
6489 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6490 in phi nodes in the correct blocks.
6492 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6494 PR tree-optimization/28364
6495 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6497 (fold_affine_expr): New function.
6498 (may_eliminate_iv): Use fold_affine_expr.
6500 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6503 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6506 2006-08-16 Mike Stump <mrs@apple.com>
6508 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6509 * doc/cppopts.texi (-MD): Likewise.
6511 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6514 * c-common.c (handle_weak_attribute): Ignore and warn if
6515 not a FUNCTION_ or VAR_DECL.
6517 2006-07-15 Mike Stump <mrs@apple.com>
6520 * c-parser.c (c_parser_typeof_specifier): Don't use
6521 c_finish_expr_stmt, open code desired semantics instead.
6523 2006-08-15 Nick Clifton <nickc@redhat.com>
6525 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6526 fragment to tmake_file only if threads are enabled.
6527 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6528 * config/i386/t-gthr-win32: New file. ... here.
6530 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6533 * c-parser.c (c_parser_compound_statement_nostart): Reset
6534 parser->error after each statement.
6536 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6539 * omp-low.c (lower_omp_parallel): Convert t to
6540 receiver_decl's type.
6541 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6542 source before comparison.
6545 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6546 to itype in assignment to oldival2.
6548 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6552 * c-typeck.c (build_compound_expr): If the second expression
6553 is an error mark, then just return an error mark instead of
6554 creating a COMPOUND_EXPR.
6556 2006-07-14 Mike Stump <mrs@apple.com>
6558 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6560 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6562 * c-decl.c, var-tracking.c: Fix comment typos.
6564 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6566 PR rtl-optimization/28634
6567 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6568 for floating-point modes unless flag_unsafe_math_optimizations.
6570 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6571 Andrew Pinski <pinskia@physics.uc.edu>
6574 * tree.c (build_array_type): Unify array types with
6575 unspecified index_type.
6576 * c-decl.c (grokdeclarator): Make sure we do not modify a
6577 unified incomplete array type.
6578 * c-typeck.c (store_init_value): Create distinct type before
6579 filling in the index type in an initializer from a compound
6582 * c-decl.c (grokdeclarator): Remove code where we copy the
6585 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6587 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6588 into account for TODO_dump_cgraph.
6589 (TODO_update_ssa_no_phi): Likewise.
6590 (TODO_update_ssa_full_phi): Likewise.
6591 (TODO_update_ssa_only_virtuals): Likewise.
6592 (TODO_remove_unused_locals): Likewise.
6593 (TODO_set_props): Likewise.
6594 (TODO_update_stmt_usage): Likewise.
6596 2006-08-13 Dirk Mueller <dmueller@suse.de>
6598 * c-common.c (strict_aliasing_warning): Fix formatting.
6600 2006-08-13 Matthias Klose <doko@debian.org>
6602 * doc/invoke.texi: Fix spelling errors.
6604 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6606 PR rtl-optimization/23454
6607 * reorg.c (relax_delay_slots): Update comment.
6609 2006-08-11 Richard Guenther <rguenther@suse.de>
6612 * simplify-rtx.c (simplify_const_relational_operation):
6613 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6616 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6618 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6619 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6621 2006-08-10 Paul Brook <paul@codesourcery.com>
6623 * final.c (final_scan_insn): Clear current_insn_predicate before
6624 outputting inline asm.
6626 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6628 PR tree-optimization/26197
6629 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6630 get_ref_base_and_extent and overlap_subvar to add only relevant
6631 subvars as may-aliases.
6632 (add_may_alias_for_new_tag): New function, factored out of
6634 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6635 with additional argument.
6636 * tree-flow.h (new_type_alias): Takes additional argument.
6638 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6640 * gcov.c (no_data_file): New flag.
6641 (read_count_file): Set it if data file not present. Assume counts
6643 (output_lines): Don't name the data file, if there wasn't one.
6645 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6647 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6648 (rs6000_generate_compare): Tweak comments.
6649 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6651 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6653 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6654 (var_debug_decl): New function.
6655 (var_reg_set): Follow debug decl link. Add location even if
6656 reg is already known to hold some other variable.
6657 (var_mem_set): Follow debug decl link.
6658 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6659 decl link. Delete other known locations of the variable part
6661 (var_reg_delete, var_mem_delete): Delete other known locations
6662 of the variable part if requested.
6663 (same_variable_part_p): New function.
6664 (add_stores): Select MO_COPY when appropriate.
6665 (vt_initialize): Handle it.
6666 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6667 known locations for MO_SET and MO_CLOBBER.
6668 (find_variable_location_part): New function.
6669 (set_variable_part, delete_variable_part): Use it.
6670 (clobber_variable_part): New function.
6671 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6674 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6676 PR tree-optimization/26969
6677 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6678 with an empty list of PHIs.
6680 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6684 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6687 2006-08-06 Andreas Schwab <schwab@suse.de>
6689 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6690 string. Whitespace and comment fixup.
6692 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6695 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6699 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6702 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6704 2006-08-04 Jan Hubicka <jh@suse.cz>
6708 * reload.c (push_reload): Patch out the mismatching instruction;
6710 (find_reload): Bail out if the instruction was patched out.
6712 2006-08-04 Jan Hubicka <jh@suse.cz>
6714 PR tree-optimization/24888
6715 * tree-inline.c (expand_call_inline): Do not re-record variables.
6716 (declare_inline_vars): Add variable to unexpanded_var_list.
6718 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6719 Roger Sayle <roger@eyesopen.com>
6721 PR rtl-optimization/26244
6722 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6723 inner_const are negative or greater than or equal to the bitsize of
6724 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6725 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6726 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6727 CONST0_RTX (mode) when the new shift count is greater than or equal to
6728 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6731 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6733 * tree-cfg.c: Fix a comment typo.
6735 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6738 * varasm.c (output_constant): Give the front end another chance to
6739 expand constants, after stripping NOPs.
6741 2006-08-03 Jan Hubicka <jh@suse.cz>
6743 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6746 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6748 PR tree-optimization/27770
6749 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6750 declaration removed (moved to tree-flow.h).
6751 (vect_can_force_dr_alignment_p): Likewise.
6752 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6753 (moved from tree-vectorizer.h).
6754 (vect_can_force_dr_alignment_p): Likewise.
6755 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6756 from outside the vectorizer - in particular from cgraph stage.
6757 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6758 the alignment of global arrays when -fsection-anchors is enabled.
6759 * cgraphunit.c (cgraph_increase_alignment): New function.
6760 (cgraph_optimize): Call cgraph_increase_alignment.
6762 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6765 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6766 not reload a SPE symbol_ref into a lo_sum address.
6768 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6771 * dwarf2out.c (prune_unused_types_prune): Move call to
6772 prune_unused_types_update_strings to cover the parent DIE also.
6774 2006-08-02 Jan Hubicka <jh@suse.cz>
6776 PR gcov/profile/28480
6777 * tree-cfg.c (change_bb_for_stmt): New function.
6778 (tree_merge_blocks, tree_split_blocks): Use it.
6780 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6786 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6787 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6788 (cgraph_optimize): Likewise.
6790 2006-08-01 Stuart Hastings <stuart@apple.com>
6792 * rtl.h (UINTVAL) New.
6793 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6794 * testsuite/gcc.dg/20060801-1.c: New.
6796 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6799 * c-typeck.c (build_external_type): Mark used enum types.
6800 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6802 (gen_subprogram_die): Whitespace fix.
6804 2006-08-01 Jan Hubicka <jh@suse.cz>
6806 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6807 bitmap when not needed.
6808 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6811 2006-08-01 Dirk Mueller <dmueller@suse.de>
6813 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6815 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6817 * Makefile.in: Revert part of previous patch:
6818 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6821 2006-07-30 Eric Christopher <echristo@apple.com>
6824 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6825 (PowerPC Variable Attributes): New section.
6827 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6829 PR target/28126 (partial fix)
6830 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6832 2006-07-28 Jan Hubicka <jh@suse.cz>
6834 PR rtl-optimization/28071
6835 * cfgrtl.c (rtl_delete_block): Free regsets.
6836 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6838 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6840 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6841 and variables used in dependencies.
6843 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6845 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6846 %fs for -mcmodel=kernel.
6847 (stack_tls_protect_test_di): Likewise.
6849 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6851 * Makefile.in: Use mkinstalldirs.
6853 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6856 * opts-common.c (prune_options): Skip joined switches.
6858 2006-07-27 Jan Hubicka <jh@suse.cz>
6860 PR rtl-optimization/28071
6861 * cselib.c (cselib_process_insn): Don't remove useless values too
6862 often for very large hashtables.
6864 2006-07-27 Jan Hubicka <jh@suse.cz>
6866 PR rtl-optimization/28071
6867 * global.c (greg_obstack): New obstack.
6868 (allocate_bb_info): Use it.
6869 (free_bb_info): Likewise.
6870 (modify_reg_pav): Likewise.
6872 2006-07-27 Roger Sayle <roger@eyesopen.com>
6874 * builtins.c (fold_fixed_mathfn): When long and long long are the
6875 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6876 functions to their lceil*, lfloor*, lround* and lrint* forms.
6878 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6881 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6883 (rev_branch_insn): Likewise.
6885 2006-07-27 Jan Hubicka <jh@suse.cz>
6887 PR rtl-optimization/28071
6888 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6889 (reg_set_in_bb, max_reg_computed): New static variables.
6890 (regmove_optimize): Free the new array.
6891 (fixup_match_1): Update call of reg_is_remote_constant_p.
6893 2006-07-26 Jan Hubicka <jh@suse.cz>
6895 PR tree-optimization/27882
6896 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6898 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6900 (cgraph_analyze_compilation_unit): Likewise.
6901 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6902 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6903 (cgraph_early_inlinine): Make order garbage collected.
6904 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6906 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6908 * dbxout.c (output_types_sort): Add a comment.
6909 (output_used_types): Free the VEC.
6911 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6913 * function.c (reorder_fix_fragments): Delete.
6914 (reorder_blocks): Don't call it.
6915 (reorder_blocks_1): Put all subblocks under the origin block.
6917 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6919 PR rtl-optimization/27907
6920 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6923 2006-07-25 Roger Sayle <roger@eyesopen.com>
6926 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6927 bar(x) check that bar's result type can represent all the values of T.
6929 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6931 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6933 2006-07-25 Nick Clifton <nickc@redhat.com>
6935 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6936 size_lookup[] array.
6937 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6938 (ggc_pch_count_object): Likewise.
6939 (ggc_pch_alloc_object): Likewise.
6940 (ggc_pch_write_object): Likewise.
6941 (init_ggc): Do not attempt to initialize entries in the
6942 size_lookup[] array for objects whose size is greater than than
6943 the length of the array.
6945 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6947 * dbxout.c (output_used_types_helper): Push queued types
6949 (output_types_sort): New.
6950 (output_used_types): Collect used types on a VEC and sort them
6953 2006-07-24 Richard Guenther <rguenther@suse.de>
6956 * cgraph.c (cgraph_remove_node): Do not check if dumps
6958 * cgraphunit.c (cgraph_optimize): Likewise.
6960 2006-07-24 Jan Hubicka <jh@suse.cz>
6962 PR rtl-optimization/28071
6963 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6964 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6965 splitting before first stmt.
6967 2006-07-24 Jan Hubicka <jh@suse.cz>
6969 PR rtl-optimization/28071
6970 * ipa-inline.c (update_caller_keys): Remove edges that
6971 are no longer inline candidates.
6973 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6976 * dbxout.c (output_used_types_helper, output_used_types): New.
6977 (dbxout_symbol): Call output_used_types.
6979 2006-07-23 Jan Hubicka <jh@suse.cz>
6983 * cgraph.c (cgraph_varpool_nodes): Export.
6984 (decide_is_variable_needed): Ignored "used" attribute in
6985 unit-at-a-time mode.
6986 * cgraph.h (cgraph_varpool_nodes): Declare.
6987 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6988 unit-at-a-time mode.
6990 2006-07-23 Roger Sayle <roger@eyesopen.com>
6993 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6994 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6995 the __gthrw form of thr_keycreate.
6996 (__gthread_key_delete): Silence the unused argument warning.
6998 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
7001 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
7002 Cache the last found '\0' marker to avoid quadratic behavior.
7004 2006-07-23 Jan Hubicka <jh@suse.cz>
7006 * i386.md (subsi_3_zext): Fix output template.
7008 2006-07-21 Mike Stump <mrs@apple.com>
7010 * doc/invoke.texi (C++ Dialect Options): Note that
7011 -fvisibility-inlines-hidden doesn't affect explicitly
7012 instantiationed inline methods.
7014 2006-07-20 Roger Sayle <roger@eyesopen.com>
7016 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
7017 if the target assembler is GNU binutils' gas.
7018 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
7019 whether to pass GNU gas or native as command line options.
7021 2006-07-20 Jason Merrill <jason@redhat.com>
7023 * tree.c (remove_attribute): New fn.
7024 * tree.h: Declare it.
7026 2006-07-20 Paul Brook <paul@codesourcery.com>
7029 * cse.c (cse_insn): Add destination addresses to hash table. Check if
7030 they are invalidated by this instruction.
7032 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
7035 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
7037 2006-07-20 Eric Christopher <echristo@apple.com>
7040 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
7042 2006-07-19 Eric Christopher <echristo@apple.com>
7044 * config/t-slibgcc-darwin (stmp-lipo): Remove.
7045 Rewrite dependencies for libgcc_s.1.dylib.
7047 2006-07-19 Jakub Jelinek <jakub@redhat.com>
7049 * except.c (duplicate_eh_regions_1): Clear next_peer.
7051 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
7053 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
7054 -mlongcall does not guarantee all calls will be long.
7055 * doc/extend.texi (long_call/short_call): Document that longcall
7056 does not guarantee a long call will be used.
7057 (longcall/shortcall): Likewise.
7059 2006-07-18 Roger Sayle <roger@eyesopen.com>
7062 * expmed.c (expand_shift): Additionally check that the shift_cost
7063 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
7064 before implementing a LSHIFT_EXPR as a sequence of additions.
7065 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
7066 middle-end that DImode shifts need to be synthesized by expand.
7068 2006-07-18 Diego Novillo <dnovillo@redhat.com>
7071 * tree-ssa-operands.c (access_can_touch_variable): Update
7073 Return true if ALIAS is .GLOBAL_VAR.
7075 2006-07-18 David Daney <ddaney@avtrex.com>
7077 * gcc.c (display_help): Fix typo in help text.
7079 2006-07-18 Olivier Hainque <hainque@adacore.com>
7081 * tree.h (categorize_ctor_elements): Adjust prototype and add
7082 descriptive comment, both in accordance with the interface change
7084 * varasm.c (constructor_static_from_elts_p): New function.
7085 Whether a constructor node is a valid static constant initializer
7086 if all its elements are.
7087 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
7088 * output.h: Declare it.
7089 * expr.c (categorize_ctor_elements_1): Return whether the constructor
7090 is a valid constant initializer instead of computing the number of
7091 non-constant elements. Use constructor_static_from_elts_p for this
7092 purpose. Replace the head comment with an indication that this is a
7093 helper for categorize_ctor_elements.
7094 (categorize_ctor_elements): Same interface change as for the _1
7095 helper. Former head comment from this helper moved here, adjusted to
7096 account for the interface changes.
7097 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
7098 (all_zeros_p): Likewise.
7099 * gimplify.c (gimplify_init_constructor): Decide whether we can make
7100 static versions of the constructor from the categorize_ctor_elements
7101 return value instead of the formerly computed number of non-constant
7104 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
7106 * configure: Regenerate.
7107 * Makefile.in (build_libsubdir): New configure substitution
7108 (build_libobjdir): New variable.
7109 (BUILD_LIBIBERTY): Use it.
7111 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7114 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
7116 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
7119 * c-common.c (handle_weakref_attribute): Ignore attribute in
7120 the same conditions the alias attribute is ignored.
7122 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
7124 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
7125 (dbxout_begin_prologue): Increment scope_labelno.
7127 2006-07-17 Richard Henderson <rth@redhat.com>
7130 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
7133 2006-07-17 Roger Sayle <roger@eyesopen.com>
7134 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7136 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
7137 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
7138 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
7139 functions such as sbrk, write, etc.. Add function prototypes.
7140 Convert function declarations from K&R to ISO C. Cast pointers
7141 to "long" and "unsigned long" instead of "int" and "unsigned int".
7142 Convert tokens following #endif into comments.
7144 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
7146 * invoke.texi: Remove mention of f77; Reformat table for
7147 inline parameter options correctly; mention that -malign-double
7148 is default on x86-64 targets.
7150 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
7152 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
7153 (convert_affine_scev, chrec_convert_aggressive): Use
7154 avoid_arithmetics_in_type_p. Do not check for the subtypes
7157 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7160 * optabs.c (expand_doubleword_shift): Wrap the call to
7161 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
7163 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7166 * optabs.c (expand_binop): Pass next_methods rather than methods
7167 to expand_doubleword_shift.
7169 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
7172 * tree.h (dump_addr): Declare.
7173 * print-tree.c (dump_addr): New function.
7174 (print_node_brief, print_node): Use it.
7175 * print-rtl.c (print_rtx): Likewise.
7176 * common.opt (-fdump-noaddr): New option.
7177 * doc/invoke.texi (-fdump-noaddr): Document.
7178 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7179 (ve_info_hash): Likewise.
7181 2006-07-13 Andrew Haley <aph@redhat.com>
7183 PR tree-optimization/19505
7184 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7185 edge leaving this block, make sure that the destination of this
7186 block has only one predecessor.
7188 2006-07-17 Richard Guenther <rguenther@suse.de>
7190 PR tree-optimization/28238
7191 * tree-inline.c (copy_bb): Check if we produced valid
7192 gimple copying and substituting a stmt. If not, gimplify
7195 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7197 * optabs.c (maybe_encapsulate_block): New function extracted from...
7198 (emit_libcall_block): ...here. Invoke it on the block of insns to
7199 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7200 (emit_no_conflict_block): Likewise.
7202 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7204 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7206 2006-07-15 Roger Sayle <roger@eyesopen.com>
7208 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7209 a new NOP_EXPR case of the switch statement.
7211 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7214 * stor-layout.c (place_field): Take the bit field with
7215 an excessive size into account in the ms-bitfiled case.
7218 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7219 the previous bit field.
7221 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7224 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7226 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7228 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7229 signal frames correctly even when the signal was installed with
7232 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7234 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7235 (dbxout_function_end): Use local label LFBB. Remove hook
7237 (dbxout_source_line): Use local label LFBB.
7238 (dbxout_block): Likewise.
7239 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7240 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7241 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7242 and DBX_OUTPUT_NFUN.
7244 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7246 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7248 2006-07-13 Jan Hubicka <jh@suse.cz>
7250 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7252 * output.h (align_variable): Declare.
7253 * varasm.c (align_variable): Export.
7254 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7255 when basic block changed.
7257 2006-07-13 Nick Clifton <nickc@redhat.com>
7259 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7260 walking the LOG_LINKS chain.
7262 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7264 * doc/invoke.texi (C++ Dialect Options): Explain difference
7265 between -fvisibility-inlines-hidden and setting hidden
7266 visibility explicitly.
7268 2006-07-12 Eric Christopher <echristo@apple.com>
7270 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7271 (stmp-lipo): Depend on libgcc.a.
7273 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7275 * tree.c: Fix a comment typo.
7277 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7279 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7281 (umulhisi3_r): Likewise.
7283 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7286 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7287 x < 19, vs wchar_t support.
7289 2006-07-12 Nick Clifton <nickc@redhat.com>
7291 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7292 instead of -isa=sh4.
7294 2006-07-12 Mike Stump <mrs@apple.com>
7296 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7298 2006-07-10 Eric Christopher <echristo@apple.com>
7300 * config/t-slibgcc-darwin: Rewrite.
7302 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7305 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7308 2006-07-08 Matthias Klose <doko@debian.org>
7310 * doc/sourcebuild.texi: Fix typo.
7312 2006-07-07 Mike Stump <mrs@apple.com>
7314 * toplev.c (process_options): Don't give -ffunction-sections may
7315 affect debugging warning for Mach-O.
7317 2006-07-07 James E Wilson <wilson@specifix.com>
7319 * config/mips/mips.md (cpu): Add sb1a.
7320 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7321 addition to sb1. Adjust comments to clarify SB-1A differences from
7323 (ir_sb1a_load): New. Modify bypasses to use it.
7324 (ir_sb1a_simple_alu): Likewise.
7325 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7326 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7327 (mips_issue_rate): Add PROCESSOR_SB1A.
7328 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7329 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7330 (TARGET_SB1): Add PROCESSOR_SB1A check.
7331 (TUNE_SB1): Likewise.
7333 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7334 * config/mips/mips.c (mips_store_data_bypass_p): New.
7335 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7336 store_data_bypass_p.
7338 2006-07-08 Paul Brook <paul@codesourcery.com>
7341 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7343 2006-07-07 Richard Guenther <rguenther@suse.de>
7346 * tree.h (build_one_cst): Declare.
7347 * tree.c (build_one_cst): New function.
7348 * tree-ssa-math-opts.c (get_constant_one): Remove.
7349 (insert_reciprocals): Use build_one_cst.
7350 * fold-const.c (fold_plusminus_mult): Likewise.
7352 2006-07-07 Roger Sayle <roger@eyesopen.com>
7354 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7355 * cfgloopanal.c (dump_graph): Likewise.
7356 * dojump.c (discard_pending_stack_adjust): Likewise.
7357 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7359 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7360 * function.c (finalize_block_changes): Likewise.
7361 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7362 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7363 * rtl.c (dump_rtx_statistics): Likewise.
7364 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7366 * varray.c (dump_varray_statistics): Likewise.
7367 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7368 decode_decimal64, encode_decimal128, decode_decimal128,
7369 decimal_real_to_decimal): Likewise.
7371 2006-07-07 Richard Guenther <rguenther@suse.de>
7373 PR tree-optimization/28187
7374 * tree-vrp.c (vrp_operand_equal_p): New function.
7375 (vrp_bitmap_equal_p): Likewise.
7376 (update_value_range): Use them to compare old and new
7379 2006-07-06 Roger Sayle <roger@eyesopen.com>
7381 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7382 a default case to switch statement to silence compiler warnings.
7384 2006-07-06 Roger Sayle <roger@eyesopen.com>
7387 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7388 the configured assembler supports the x87's ffreep mnemonic.
7389 * configure: Regenerate.
7390 * config.in: Regenerate.
7392 * config/i386/i386.c (output_387_ffreep): New function.
7393 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7394 (output_387_reg_move): Likewise.
7396 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7398 Port to hosts whose 'sort' and 'tail' implementations
7399 treat operands with leading '+' as file names, as POSIX
7400 has required since 2001. However, make sure the code still
7401 works on pre-POSIX hosts.
7402 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7403 which says you should use "tail -c +N" rather than "tail +Nc".
7404 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7406 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7408 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7411 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7414 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7415 PRE_{INC,DEC} of TFmode.
7417 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7418 Alan Modra <amodra@bigpond.net.au>
7421 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7424 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7427 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7428 Remove duplicate gtu.
7430 2006-07-05 Jason Merrill <jason@redhat.com>
7434 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7435 * c-common.c (handle_packed_attribute): So don't copy it here.
7436 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7438 2006-07-05 Mike Stump <mrs@apple.com>
7440 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7442 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7445 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7447 2006-07-05 Richard Guenther <rguenther@suse.de>
7450 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7451 TARGET_SSE2 targets if using SSE math.
7452 (*absdf2_1): Likewise.
7454 2006-07-05 Richard Guenther <rguenther@suse.de>
7456 PR tree-optimization/28162
7457 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7458 make sure to convert the operands to the correct type.
7460 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7462 PR tree-optimization/28218
7464 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7465 to calculate and free the dominator information.
7467 2006-07-04 Peter O'Gorman <peter@pogma.com>
7469 * mklibgcc.in: chmod 644 before ranlib during install.
7471 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7472 J"orn Rennecke <joern.rennecke@st.com>
7474 * configure.ac (.eh_frame data check): Use diff -b.
7476 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7479 * Makefile.in (BUILD_RTL): Add build/vec.o.
7480 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7481 (build/genextract): Delete.
7482 (build/genautomata): Likewise.
7484 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7487 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7488 128-bit IBM long doubles for ABI_V4.
7490 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7492 * tree.c (range_in_array_bounds_p): New predicate.
7493 * tree.h (range_in_array_bounds_p): Declare it.
7494 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7495 return a less conservative answer.
7496 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7497 and flag 'is_group'.
7498 (IS_ELEMENT_FOR_GROUP): New macro.
7499 (FOR_EACH_ACTUAL_CHILD): Likewise.
7500 (next_child_for_group): New helper function.
7501 (can_completely_scalarize_p): Take into account groups.
7502 (sra_hash_tree): Handle RANGE_EXPR.
7503 (sra_elt_eq): Likewise.
7504 (lookup_element): Be prepared for handling groups.
7505 (is_valid_const_index): Delete.
7506 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7507 instead of is_valid_const_index.
7508 <ARRAY_RANGE_REF>: New case.
7509 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7510 is_valid_const_index.
7511 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7512 (scan_dump): Dump info for groups too.
7513 (decide_instantiation_1): Likewise.
7514 (decide_block_copy): Assert that the element is not a group.
7515 Propagate decision to groups.
7516 (generate_one_element_ref): Handle RANGE_EXPR.
7517 (mark_no_warning): Iterate over actual childs.
7518 (generate_copy_inout): Likewise.
7519 (generate_element_copy): Likewise.
7520 (generate_element_zero): Likewise.
7521 (generate_element_init_1): Likewise.
7522 (dump_sra_elt_name): Handle RANGE_EXPR.
7524 2006-07-03 Roger Sayle <roger@eyesopen.com>
7526 PR tree-optimization/26251
7527 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7528 (thread_block): When optimizing for size refuse to thread jumps
7529 that would require duplication of blocks other than redirection
7532 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7534 * configure.ac: Fix thinko in previous check-in.
7535 * configure: Regenerate.
7537 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7540 * configure.ac (for lang...): Simplify nesting of conditionals.
7541 Test subdir_requires for non-enabled languages. Move processing
7542 of lang_opt_files and lang_tree_fiels below that test.
7543 * configure: Regenerate.
7544 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7546 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7548 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7550 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7552 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7555 2006-06-29 Jason Merrill <jason@redhat.com>
7562 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7563 * c-common.c (c_determine_visibility): Handle it here.
7564 * c-decl.c (finish_decl): Call c_determine_visibility for
7566 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7568 * varasm.c (default_assemble_visibility): Likewise.
7569 * c-common.c (handle_visibility_attribute): Complain about trying
7570 to give visibility to an already defined class, or trying to change
7571 declared visibility. Always attach the attribute.
7576 * attribs.c (decl_attributes): Ignore type-in-place attributes
7577 once the type has been defined.
7579 2006-06-29 Roger Sayle <roger@eyesopen.com>
7582 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7583 to indicate the cpplib has issued an error message for us.
7585 2006-06-29 Asher Langton <langton2@llnl.gov>
7588 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7589 insert a label at the end of an function under Mach-O.
7591 2006-06-29 Eric Christopher <echristo@apple.com>
7592 Evan Cheng <evan.cheng@apple.com>
7594 * predicates.md (vector_all_ones_operand): New.
7595 (nonimmediate_or_sse_const_operand): Ditto.
7596 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7597 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7598 (standard_sse_mode_p): Ditto.
7599 (standard_sse_constant_p): Add case for -1 vector.
7600 (ix86_expand_vector_move): Try to use.
7601 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7602 Call standard_sse_constant_opcode.
7603 (*movv4sf_internal): Ditto.
7604 (*movv2df_internal): Ditto.
7606 2006-06-29 Roger Sayle <roger@eyesopen.com>
7608 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7609 of XEXP to extract the operands of a MATCH_CODE rtx.
7611 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7613 * tree.c (tree_size): Do not waste tail padding in
7614 struct tree_string and make the size be the same as
7615 build_string will generate.
7617 2006-06-28 Jason Merrill <jason@redhat.com>
7620 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7621 may_aliases already in the tag's annotations to the bitmap.
7623 2006-06-28 Roger Sayle <roger@eyesopen.com>
7625 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7627 2006-06-28 Roger Sayle <roger@eyesopen.com>
7629 * genpreds.c (generate_switch_p): New function.
7630 (add_mode_tests): Push the new mode test down inside an AND expr
7631 if this allows the switch-suitable MATCH_CODE to be near the root.
7632 (write_match_code_switch): New function to write a MATCH_CODE as
7634 (write_predicate_stmts): New function to write a predicate RTX
7635 expression as a sequence of statements.
7636 (write_one_predicate_function): Use write_predicate_stmts.
7637 (write_tm_constrs_h): Likewise.
7639 2006-06-26 Fred Fish <fnf@specifix.com>
7641 * config/mips/t-sb1: New file.
7642 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7645 2006-06-26 DJ Delorie <dj@redhat.com>
7647 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7649 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7650 Jayant Sonar <jayants@kpitcummins.com>
7651 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7653 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7654 (subsi3, subsi3_1, subsi3_2): New.
7655 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7656 * config/m32c/mov.md (SI mov peephole): New.
7657 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7658 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7660 2006-06-26 Olivier Hainque <hainque@adacore.com>
7662 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7663 a CALL_EXPR target function declaration.
7665 2006-06-26 Richard Guenther <rguenther@suse.de>
7667 * tree.c (build_string): Do not waste tail padding in
7670 2006-06-26 Richard Guenther <rguenther@suse.de>
7672 * ggc-page.c (init_ggc): Add missing element to size_lookup
7676 2006-06-23 Richard Guenther <rguenther@suse.de>
7678 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7679 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7680 alignment requests instead. Add verification code.
7681 Add struct tree_function_decl and struct tree_binfo size to
7682 extra_order_size_table. Add missing element to size_lookup
7685 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7688 * fold-const.c (const_binop): Be prepared for self returning zero.
7689 Simplify code handling complex values.
7691 2006-06-24 Olivier Hainque <hainque@adacore.com>
7693 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7694 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7697 2006-06-24 Olivier Hainque <hainque@adacore.com>
7699 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7700 ARRAY_REF, so have the callback called for the low bound expression.
7702 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7704 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7705 * c-typeck.c (c_common_type): Disallow operations on decimal float
7706 types and other float types.
7707 * convert.c (convert_to_real): Don't ignore conversions involving
7708 decimal float types.
7710 2006-06-23 Olivier Hainque <hainque@adacore.com>
7712 * tree.c (max_int_size_in_bytes): New function, inspired from
7713 code in function.c:assign_temp.
7714 * tree.h (max_int_size_in_bytes): Declare.
7715 * function.c (assign_temp): Use it.
7716 * gimplify.c (create_tmp_var): Relax the assertions on the type
7717 properties, not mandating constant size any more.
7718 (force_constant_size): New static function.
7719 (gimple_add_tmp_var): Use it, forcing variable size to a
7720 constant upper bound if it is not constant on entry.
7722 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7725 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7726 for initialization and setting of one_only flag to ...
7727 (i386_pe_encode_section_info): ...here.
7728 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7729 Recheck that the symbol has not been defined.
7731 2006-06-23 Richard Guenther <rguenther@suse.de>
7733 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7734 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7735 alignment requests instead. Add verification code.
7736 Add struct tree_function_decl and struct tree_binfo size to
7737 extra_order_size_table. Add missing element to size_lookup
7740 2006-06-22 Roger Sayle <roger@eyesopen.com>
7741 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7744 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7745 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7747 2006-06-23 Ben Elliston <bje@au.ibm.com>
7749 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7750 negate dn -- manipulate it directly.
7752 2006-06-22 Roger Sayle <roger@eyesopen.com>
7753 Steven Bosscher <stevenb.gcc@gmail.com>
7756 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7757 generated by gen_move_insn to add REG_LABEL notes if necessary.
7759 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7761 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7762 (leaf_entry): Remove use of MIN_ESA.
7764 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7766 PR rtl-optimization/28121
7767 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7770 2006-06-21 DJ Delorie <dj@redhat.com>
7772 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7774 (mulhisi3_r): Likewise.
7776 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7779 * coverage.c (coverage_counter_alloc): Leave the index type
7781 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7784 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7786 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7787 section from the "Options for Code Generation Conventions".
7789 2006-06-21 Richard Henderson <rth@redhat.com>
7793 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7795 (global_symbolic_operand): Allow weak symbols, even if local_p.
7797 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7799 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7800 (find_interesting_uses_address): Punt if above function returns true.
7802 2006-06-21 Richard Guenther <rguenther@suse.de>
7804 * configure: Regenerated.
7806 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7808 * config/mips/mips.c (function_arg): Where one part of a
7809 complex argument is in registers and the other part in the stack,
7810 return a REG not a PARALLEL.
7812 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7814 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7815 when cross-compiling. Do not substitute libstdcxx_incdir.
7816 * configure: Regenerated.
7818 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7820 * varasm.c (mergeable_string_section): Check for embedded NULs and
7821 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7822 rather than TREE_STRING_LENGTH bytes.
7824 2006-06-21 Richard Guenther <rguenther@suse.de>
7826 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7827 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7830 2006-06-21 Richrad Guenther <rguenther@suse.de>
7832 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7833 Limit iteration over the dominators.
7835 2006-06-20 Roger Sayle <roger@eyesopen.com>
7837 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7838 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7840 2006-06-20 Richard Guenther <rguenther@suse.de>
7841 Michael Matz <matz@suse.de>
7843 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7845 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7846 * et-forest.h (et_free_pools): Prototype new function.
7847 * et-forest.c (et_free_tree_force): Free parent occurrence.
7848 (et_free_pools): New function.
7849 * dominance.c (free_dominance_info): Free et-forest alloc
7852 2006-06-20 Roger Sayle <roger@eyesopen.com>
7854 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7855 integer modes, attempt to directly construct an integer constant.
7857 * fold-const.c (native_encode_vector): Determine the size of each
7858 element from the vector type instead of the first vector element.
7860 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7861 if all of its elements/components are constant.
7862 (build_constructor_from_list): Likewise.
7864 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7866 PR tree-optimization/27331
7867 * tree-data-ref.c (free_data_ref): New function.
7868 (create_data_ref): Fail if the data reference has unknown access
7870 (free_data_refs): Use free_data_ref.
7872 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7875 * tree-inline.c (setup_one_parameter): Strip useless
7876 type conversion before adding it to the IR.
7877 (declare_return_variable): Likewise.
7879 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7882 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7884 2006-06-19 Mike Stump <mrs@apple.com>
7886 * tree.c (variably_modified_type_p): VM arguments don't make the
7889 2006-06-19 Richard Guenther <rguenther@suse.de>
7891 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7892 type conversions after folding.
7894 2006-06-19 Richard Guenther <rguenther@suse.de>
7896 * ggc-page.c (extra_order_size_tab): Add entries with
7897 size of struct function and basic_block.
7898 (size_lookup): Extend to cover sizes up to 511.
7899 (ggc_alloc_stat): Adjust user.
7900 (ggc_pch_count_object): Likewise.
7901 (ggc_pch_alloc_object): Likewise.
7902 (ggc_pch_write_object): Likewise.
7904 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7906 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7907 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7910 2006-06-19 Denis Chertykov <denisc@overta.ru>
7912 * config/avr/libgcc.S : Correct my wrong previous commit.
7914 2006-06-19 Roger Sayle <roger@eyesopen.com>
7917 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7918 have stripped a SUBREG from the shift count, so we may need to
7919 convert_to_mode back to the type's mode before calling make_tree.
7920 Use new_amount instead of amount to avoid expanding a tree twice.
7922 2006-06-19 Richard Guenther <rguenther@suse.de>
7925 * fold-const.c (operand_equal_p): Check if the argument types
7926 have the same precision before stripping NOPs.
7928 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7930 Fix PR tree-optimization/27341
7931 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7933 * tree-complex.c (pass_lower_complex): Update SMT usage.
7935 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7937 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7938 Add a new alternative to the constraint strings. Add move of
7939 operand 1 to 3 to the splitter definition.
7940 ("doloop_si_long"): Second contraint alternative removed.
7942 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7944 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7945 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7947 (AVR_HAVE_MOVW) Define.
7948 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7949 (ASM_SPEC): Add avr25.
7950 (LINK_SPEC): Add avr25.
7951 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7952 (base_arch_s): Add new member 'have_movw_lpmx'.
7953 (avr_arch_types): Init 'have_movw_lpmx'.
7954 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7955 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7956 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7957 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7958 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7960 (avr_file_start): Do not output '.arh' derective.
7961 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7962 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7963 * config/avr/avr.md (mcu_enhanced): Delete.
7964 (mcu_have_movw): Define.
7965 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7966 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7967 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7968 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7969 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7970 attiny861 and at86rf401 devices.
7972 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7974 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7977 2006-06-17 Karl Berry <karl@gnu.org>
7979 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7980 doc/gccint.texi, doc/install.texi (@dircategory): Use
7981 "Software development" instead of "Programming", following
7982 the Free Software Directory.
7984 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7986 * config/i386/i386.c (legitimate_tls_address)
7987 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7988 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7989 (*tls_dynamic_gnu2_combine_64): Likewise.
7991 2006-06-16 Richard Guenther <rguenther@suse.de>
7994 * fold-const.c (negate_expr_p): Do not introduce undefined
7995 overflow in negating INTEGER_CSTs.
7996 (fold_negate_expr): Rename from negate_expr. Revert last
7997 change for folding BIT_NOT_EXPR. Change semantics to
7998 return NULL_TREE for non-simplified negations. Do not
7999 strip type conversions and unify type handling.
8000 (negate_expr): New function, wrap around fold_negate_expr
8001 but ensure building a tree always. Strip type conversions
8002 here, fold to result type.
8003 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
8005 2006-06-16 Roger Sayle <roger@eyesopen.com>
8008 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
8009 that (would) return their results in stack registers.
8011 2006-06-16 Michael Matz <matz@suse.de>
8012 Richard Guenther <rguenther@suse.de>
8014 * fold-const.c (fold_truthop): Only return new tree node if
8015 we canonicalized something.
8017 2006-06-16 Richard Guenther <rguenther@suse.de>
8019 * function.h (enum function_frequency): Move declaration
8020 out of struct function.
8021 (struct function): Move bool fields and the enum to the bitfield
8022 section. Reorder elements to avoid padding. Remove unused
8023 fields left over from the RTL inliner removal.
8024 * function.c (free_after_compilation): Do not zero removed fields.
8025 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
8026 (ipa-type-escape.o): Likewise.
8028 2006-06-16 Richard Guenther <rguenther@suse.de>
8030 * cgraph.h (struct cgraph_local_info): Turn bool elements
8032 (struct cgraph_node): Likewise.
8033 (struct cgraph_varpool_node): Likewise.
8035 2006-06-15 Richard Guenther <rguenther@suse.de>
8037 * fold-const.c (fold_truth_not_expr): Rename from
8038 invert_truthvalue. Give it fold_* semantics to avoid
8040 (invert_truthvalue): New function. Wrapper around
8041 fold_truth_not_expr.
8042 (optimize_minmax_comparison): Avoid creating garbage.
8043 (fold_unary): Use fold_truth_not_expr for folding
8045 (fold_ternary): Replace uses of invert_truthvalue with
8046 fold_truth_not_expr where applicable.
8047 * tree.h (fold_truth_not_expr): Prototype.
8049 2006-06-16 Richard Guenther <rguenther@suse.de>
8051 PR tree-optimization/27781
8052 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
8053 * ipa-pure-const.c (target.h): Include.
8054 (analyze_function): Do not analyze functions that do not
8057 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
8060 * tree-dfa.c (referenced_vars_dup_list): Remove.
8061 (find_referenced_vars): Remove assert.
8062 (referenced_var_check_and_insert): Replace dup list with assert.
8063 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
8064 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
8066 2006-06-15 Richard Guenther <rguenther@suse.de>
8068 * tree-ssa-structalias.c (alias_get_name): Avoid creating
8069 extra unused identifiers if not dumping.
8070 (create_variable_info_for): Likewise.
8072 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
8074 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
8075 (derive_constant_upper_bound): Derive more precise upper bound in
8076 common cases. Return type changed to double_int.
8077 (record_estimate): Reflect the changed return type of
8078 derive_constant_upper_bound.
8079 * double-int.c (double_int_zext, double_int_sext): Fix.
8081 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
8083 * configure.ac (CFLAGS): Get them from the toplevel or from the
8084 configure invocation.
8085 * configure: Regenerate.
8086 * Makefile.in (CFLAGS): Substitute value provided by configure.
8088 2006-06-14 Mark Mitchell <mark@codesourcery.com>
8091 * c-common.h (c_finish_omp_atomic): Adjust declaration.
8092 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
8093 rather than calling add_stmt on it.
8094 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
8096 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
8099 * reload1.c (reload): Remove registers returned by update_eliminables
8100 from used_spill_regs.
8102 2006-06-13 DJ Delorie <dj@redhat.com>
8104 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
8106 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
8108 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
8109 html__strip_dir, html__mkdir_p. Enhance install-html target.
8110 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
8111 * configure: Regenerate.
8113 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
8115 * fold-const.c (fold_cond_expr_with_comparison): Check for
8116 Objective-C++ as language in deciding COND_EXPR transformation.
8118 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
8121 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
8122 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
8123 * config/sh/lib1funcs.h (SL, SL1): Define.
8124 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
8125 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
8126 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
8127 (OBJS_Os_4_200): New variable.
8128 ($(T)libgcc-Os-4-200.a): Use it.
8129 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
8130 when dividing 1 and/or by 0.
8132 2006-06-13 Roger Sayle <roger@eyesopen.com>
8134 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
8135 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
8136 * configure: Regenerate.
8138 2006-06-13 Jie Zhang <jie.zhang@analog.com>
8140 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
8141 for real instruction.
8143 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8146 * haifa-sched.c (check_cfg): Handle special case.
8148 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
8151 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
8152 Add debug_info parameter. Chain the vars to the BLOCK instead
8153 of the BIND_EXPR if debug info are requested for them.
8154 (pop_gimplify_context): Adjust for above change.
8155 (gimple_add_tmp_var): Likewise.
8156 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
8158 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
8159 (convert_local_reference): Likewise.
8160 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
8161 (finalize_nesting_tree_1): Request that debug info be emitted
8162 for debug_var_chain.
8164 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8166 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
8167 for PR target/27863.
8169 2006-06-13 Richard Guenther <rguenther@suse.de>
8172 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
8174 2006-06-13 Richard Guenther <rguenther@suse.de>
8176 PR tree-optimization/27830
8177 * tree-inline.c (copy_body_r): For copying the operand
8178 of an ADDR_EXPR make sure to fold &* afterwards.
8180 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8182 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8183 lvalues in the fb_none case with side-effects.
8185 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8187 * tree-flow.h: Remove the prototype for
8188 compute_phi_arg_on_exit.
8189 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8190 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8193 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8195 * builtins.c (expand_builtin_return_addr): Only use
8196 frame_pointer_rtx when count == 0 and we are expanding
8197 __builtin_return_address.
8199 2006-06-12 Fred Fish <fnf@specifix.com>
8201 * config/mips/mips.c (mips_file_start): Create special section
8202 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8204 2006-06-11 Eric Christopher <echristo@apple.com>
8207 * stor-layout.c (place_field): Remove check for
8208 remaining_in_alignment when aligning at the end of a run.
8210 2006-06-11 Eric Christopher <echristo@apple.com>
8213 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8216 2006-06-11 Roger Sayle <roger@eyesopen.com>
8219 Revert incorrect fix for PR target/27158
8220 2006-05-08 Roger Sayle <roger@eyesopen.com>
8221 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8222 of a reg_equiv_constant if the result is a legitimate constant.
8224 2006-06-11 Roger Sayle <roger@eyesopen.com>
8227 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8228 extract a CONST_VECTOR element and interpret it as an integer.
8229 (vspltis_constant): Use const_vector_elt_as_int instead of the
8230 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8231 * config/rs6000/predicates.md (easy_vector_const): Consider
8232 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8234 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8237 * stor-layout.c (update_alignment_for_field): Don't add extra
8238 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8241 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8243 * config/mips/t-rtems: Add EL/EB multilib variants.
8245 2006-06-09 Mike Stump <mrs@apple.com>
8247 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8249 2006-06-09 David Daney <ddaney@avtrex.com>
8251 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8253 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8255 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8257 2006-06-09 Richard Guenther <rguenther@suse.de>
8259 PR tree-optimization/26998
8260 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8261 of signed types, only TYPE_MIN_VALUE is special, but for both,
8262 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8263 in this case, as is -fwrapv.
8265 2006-06-08 Mike Stump <mrs@apple.com>
8268 * config/darwin.c (darwin_asm_output_anchor): Disable
8269 -fsection-anchors on darwin for now.
8270 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8271 * rs6000/rs6000.c (optimization_options): Likewise.
8273 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8276 * config/i386/i386.c (classify_argument): Skip fields with invalid
8279 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8281 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8282 (cse_insn): Likewise for the stack_pointer_rtx.
8284 2006-06-08 Roger Sayle <roger@eyesopen.com>
8286 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8287 conditions from floating point comparisons.
8289 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8292 * expmed.c (struct alg_hash_entry): Fix type of field T
8293 to match synth_mult argument.
8294 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8296 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8299 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8302 2006-06-08 Richard Guenther <rguenther@suse.de>
8305 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8306 only, if overflow is defined and not trapping.
8307 (negate_expr): Likewise.
8309 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8311 PR tree-optimization/27872
8312 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8313 flag on the new exit edge of the unrolled loop.
8315 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8317 PR rtl-optimization/26449
8318 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8320 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8323 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8324 referenced_variables with matching DECL_UID's.
8325 (find_referenced_vars): Make sure duplicate list is empty to start.
8326 (referenced_var_p): Remove.
8327 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8328 Check if var is in the list, and add if needed. Update the duplicate
8329 list if a different var is in the list with the same DECL_UID.
8330 (add_referenced_var): Call routine to check and insert.
8331 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8332 * tree-flow.h (referenced_vars_dup_list): External declaration.
8334 2006-06-07 Fred Fish <fnf@specifix.com>
8336 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8339 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8342 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8343 the imaginary and real parts of a clobbered register.
8344 Emit insn to set the imaginary part.
8346 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8348 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8349 in lieu of unwind-dw2-fde.c.
8351 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8353 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8355 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8358 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8359 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8360 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8361 V4SImode temporaries and operations instead.
8363 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8365 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8368 2006-06-06 Mike Stump <mrs@apple.com>
8370 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8371 installing during build.
8373 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8375 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8377 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8378 * config/ia64/ia64.c (params.h): New header.
8379 (ia64_optimization_options): New function to adjust parameters.
8380 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8381 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8382 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8384 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8386 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8388 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8391 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8393 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8394 Victor Kaplansky <victork@il.ibm.com>
8396 PR tree-optimization/26360
8397 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8400 2006-06-04 Roger Sayle <roger@eyesopen.com>
8401 Andrew Pinski <pinskia@physics.uc.edu>
8404 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8405 for LABEL_DECL before calling DECL_WEAK.
8408 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8409 LABEL_DECL and PARM_DECL.
8411 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8415 * c-decl.c (grokdeclarator): Disallow variably modified types at
8416 file scope. Avoid marking shared array type of constant size as
8419 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8422 * c-common.c (fold_offsetof_1): Handle static members.
8424 2006-06-04 Eric Christopher <echristo@apple.com>
8426 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8427 (debug_rli): Output value for remaining_in_alignment.
8428 (update_alignment_for_field): Unconditionalize
8429 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8430 extra alignment code.
8431 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8432 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8433 * tree.h (record_layout_info_s): Remove prev_packed.
8434 * doc/extend.texi (ms_struct): Add documentation of format.
8436 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8438 * tree.h: Declare folding_initializer.
8439 * builtins.c (fold_builtin_constant_p): Give definite answer
8440 if folding inside an initializer.
8441 * fold-const.c: Define folding_initializer.
8442 (START_FOLD_INIT): Save and then set folding_initializer.
8443 (END_FOLD_INIT): Restore folding_initializer.
8445 2006-06-04 Richard Guenther <rguenther@suse.de>
8447 PR tree-optimization/27039
8448 * fold-const.c (fold_comparison): Handle pointer comparison
8449 again for all comparison codes. Compare offsets in signed
8451 (fold_binary): Move code from here.
8453 2006-06-03 Roger Sayle <roger@eyesopen.com>
8456 * config/i386/i386.c (construct_container): Split static issued_error
8457 flag into issued_sse_arg_error, issued_sse_ret_error and
8458 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8459 requires the use of x87 registers and the user explicitly
8460 specified the -mno-80387 command line option.
8462 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8464 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8465 HAVE_DECL_SIGALTSTACK.
8467 (segv_handler): Use MC_FLD.
8468 * configure.ac: Check for a sigaltstack declaration.
8469 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8470 * configure: Regenerate.
8471 * config.in: Regenerate.
8473 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8476 * Makefile.in (stmp-fixinc): Fix typo.
8478 2006-06-02 Roger Sayle <roger@eyesopen.com>
8480 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8481 are type correct. Clean-up.
8482 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8483 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8485 2006-06-01 DJ Delorie <dj@redhat.com>
8487 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8488 shift, as we've disabled the "switch" insn that needs it.
8490 2006-06-01 Per Bothner <bothner@bothner.com>
8492 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8493 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8494 * c-ppoutput.c (cb_define): Don't increment line 0.
8496 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8498 * doc/invoke.texi: Add cpu_type power6.
8499 * config.gcc: Add cpu_type power6.
8500 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8501 to power5+ with Altivec.
8502 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8503 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8505 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8507 * config/avr/avr.h (SET_ASM_OP): Define.
8509 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8511 * config/bfin/bfin.c: Fix comment typos.
8513 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8516 * doc/install.texi: Document --enable-bootstrap and
8517 --disable-bootstrap.
8519 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8521 * doc/install.texi: Document that InfoZIP can replace jar.
8523 2006-05-31 Roger Sayle <roger@eyesopen.com>
8525 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8526 isn't available, directly generate the simpler x87 patterns without
8527 the (use (const_int 0)).
8528 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8529 implementation isn't available.
8530 (*negdf2_1): Likewise.
8531 (*negxf2_1): XF mode negation is always done using the x87.
8532 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8534 2006-05-31 Roger Sayle <roger@eyesopen.com>
8536 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8537 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8539 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8541 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8543 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8544 * config/bfin/bfin.c (basic-block.h): Include.
8545 (struct machine_function): New.
8546 (bfin_init_machine_status): New.
8547 (override_options): Initialize init_machine_status.
8548 (bfin_hardware_loop): New.
8549 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8550 (DEF_VEC_P (loop_info)): New.
8551 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8552 (struct loop_info): New.
8553 (loop_info): New typedef.
8554 (struct loop_work): New.
8555 (loop_work): New typedef.
8556 (DEF_VEC_O (loop_work)): New.
8557 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8558 (bfin_dump_loops): New.
8559 (bfin_bb_in_loop): New.
8560 (bfin_scan_loop): New.
8561 (bfin_optimize_loop): New.
8562 (bfin_reorg_loops): New.
8563 (bfin_reorg): Use bfin_reorg_loops.
8564 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8566 (I_REGNO_P): Simplify.
8567 (DP_REGNO_P, DPREG_P): New macros.
8568 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8569 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8570 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8571 Add LT_REGS, LC_REGS, LB_REGS.
8572 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8574 (REGNO_REG_CLASS): Deal with loop registers.
8575 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8577 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8578 New constants for loop registers.
8579 (UNSPEC_LSETUP_END): New.
8580 (seq_insns): New define_attr. Set it for appropriate insns.
8581 (movsi_insn): Add alternatives for move from/to
8582 loop count registers.
8583 (doloop_end): New define_expand.
8584 (loop_end): New define_insn.
8585 (define_split for bad doloop_end): New.
8586 (lsetup_with_autoinit): New define_insn.
8587 (lsetup_without_autoinit): New define_insn.
8588 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8589 * config/bfin/predicates.md (lc_register_operand): New.
8590 (lt_register_operand): New.
8591 (lb_register_operand): New.
8592 (nondp_register_operand): New.
8593 (nondp_reg_or_memory_operand): New.
8594 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8596 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8598 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8599 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8601 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8603 * Makefile.in (CATALOGS): Add po/ prefix.
8604 * configure: Regenerated.
8606 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8609 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8610 a shift operand before calling shift_op. Avoid redundant call of
8613 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8614 DJ Delorie <dj@redhat.com>
8616 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8617 we're inserting is a singlt-bit constant.
8619 2006-05-30 Roger Sayle <roger@eyesopen.com>
8621 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8622 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8624 2006-05-30 Roger Sayle <roger@eyesopen.com>
8626 PR tree-optimization/23452
8627 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8628 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8629 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8630 complex values and with -ffast-math for FP complex values.
8632 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8634 * c-common.h: Remove the prototype for yyparse.
8635 * rtl.h: Remove the prototype for init_loop.
8637 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8639 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8642 2006-05-30 Roger Sayle <roger@eyesopen.com>
8644 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8646 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8647 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8649 2006-05-30 Dirk Mueller <dmueller@suse.de>
8652 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8653 for CONSTANT_CLASS_P expresisons.
8655 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8658 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8660 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8662 PR tree-optimization/27779
8663 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8664 initial_condition instead of CHREC_LEFT.
8666 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8668 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8669 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8670 Make prototypes ISO C90.
8672 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8673 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8675 * see.c (see_analyze_one_def): Correct check.
8676 (see_get_extension_data): Check if extension is parallel.
8677 (see_get_extension_reg): Likewise.
8679 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8682 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8683 into register for (code == GTU).
8685 2006-05-29 Roger Sayle <roger@eyesopen.com>
8687 PR tree-optimization/24964
8688 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8689 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8690 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8691 abs(x)*abs(x) as x*x for scalar floating point modes.
8693 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8696 * lambda-code.c (perfect_nestify): Don't copy statements
8697 in the inner loop: move them to the inner loop header.
8699 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8702 * c-tree.texi: Document OpenMP directives and clauses.
8704 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8706 * varasm.c (globalize_decl): Fix indentation.
8708 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8711 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8712 pass_fre, pass_store_ccp, pass_copy_prop,
8713 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8714 pass_return_slot, pass_object_size, pass_lim,
8715 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8716 pass_loop_prefetch and pass_stdarg.
8718 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8720 * config/bfin/bfin.opt (mfdpic): New option.
8721 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8722 (EXTRA_MULTILIB_PARTS): Likewise.
8723 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8724 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8726 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8727 (CRT_CALL_STATIC_FUNCTION): New.
8728 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8730 (CRT_CALL_STATIC_FUNCTION): New.
8731 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8733 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8734 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8735 (initialize_trampoline): Changed to handle FD-PIC code generation.
8736 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8737 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8738 (override_options): Disallow -mid-shared-library -mfdpic combination.
8739 Can't do unaligned ops if FD-PIC.
8740 Turn off flag_pic if trying to generate non-id-shared-library
8741 non-fdpic code, since it's not supported.
8742 (bfin_assemble_integer): New function.
8743 (TARGET_ASM_INTEGER): Define.
8744 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8746 * config/bfin/crtn.s: Restore them.
8747 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8749 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8750 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8751 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8752 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8753 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8755 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8756 FDPIC_REGS and FDPIC_FPTR_REGS.
8757 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8758 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8759 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8760 (load_funcdescsi): New pattern.
8761 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8762 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8763 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8765 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8767 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8770 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8772 * tree-flow.h: Remove the prototype for add_type_alias.
8773 * tree-ssa-alias.c (add_type_alias): Remove.
8775 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8777 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8778 config/fr30/fr30.md, config/i386/i386-interix.h,
8779 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8780 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8781 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8782 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8783 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8784 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8785 Follow spelling conventions.
8786 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8787 Follow spelling conventions.
8789 2006-05-27 Richard Guenther <rguenther@suse.de>
8792 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8793 to produce a constant of value 1 of generic type.
8795 2006-05-27 Dirk Mueller <dmueller@suse.de>
8797 * cgraphunit.c (decide_is_function_needed): Fix wrong
8800 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8802 PR rtl-optimization/27661
8803 * reload.c (find_reloads): When reloading a VOIDmode constant
8804 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8805 use Pmode as mode of the reload register.
8807 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8809 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8810 is enabled at -O and above.
8812 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8815 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8818 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8821 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8822 for anonymous variables explicitly declared by front ends.
8824 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8826 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8827 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8828 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8829 ref-all pointers, run a finalization pass for them.
8830 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8831 (finalize_ref_all_pointers): New function.
8832 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8833 regular pointer type to a ref-all pointer type.
8834 (get_tmt_for): Return the special memory tag for ref-all pointers.
8836 2006-05-25 Richard Guenther <rguenther@suse.de>
8839 * fold-const.c (fold_binary): Do not look at the stripped
8840 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8842 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8844 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8845 for LT and GT if the computed range is effectively empty.
8847 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8850 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8851 mips_quad_format formats instead of ieee_single_format,
8852 ieee_double_format and ieee_quad_format formats, respectively.
8854 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8856 PR tree-optimization/27639
8857 PR tree-optimization/26719
8858 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8859 call to scev_probably_wraps_p.
8860 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8861 used_in_pointer_arithmetic_p, convert_step): Removed.
8862 (nowrap_type_p): New function.
8863 (scev_probably_wraps_p): Rewritten.
8864 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8865 chrec_convert if chrec_convert_aggressive might have been used.
8866 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8867 scev_direction): New functions.
8868 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8869 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8870 instead of convert_step.
8871 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8872 (convert_step): Declaration removed.
8873 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8875 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8877 * df-core.c: Added to header comments.
8878 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8879 df_ur_bb_info, df_urec_bb_info): Added comments.
8880 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8881 urec, ri problems): Fixed header comments.
8882 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8883 code from df_rd_transfer_function.
8885 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8887 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8888 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8889 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8891 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8893 * expr.c (undefined_operand_subword_p): New.
8894 (emit_move_multi_word): Do not generate move from undefined bits
8895 of a paradoxical subreg.
8897 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8899 PR rtl-optimization/27736
8900 * combine.c (replaced_rhs_value): New variable.
8901 (combine_instructions): Set it.
8902 (distribute_notes): When distributing a note in replaced_rhs_insn,
8903 check whether the value was used in replaced_rhs_value.
8905 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8908 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8909 add_referenced_var instead of add_referenced_tmp_var.
8910 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8911 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8913 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8914 tree_optimize_tail_calls_1): Use add_referenced_var.
8915 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8916 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8917 Use add_referenced_var.
8918 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8919 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8920 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8921 Use add_referenced_var.
8922 * tree-dfa.c (struct walk_state): Remove.
8923 (find_referenced_vars): Remove walk state and vars_found hash table.
8924 (make_rename_temp): Use add_referenced_var.
8925 (find_vars_r): Pass less parameters to add_referenced_var.
8926 (referenced_var_p): New. Is var in referenced_var hash table.
8927 (referenced_var_insert): Assert var isn't already in hash table.
8928 (add_referenced_var): Don't need walk_state parameter. Add var if it
8929 isn't already in the hash table.
8930 (add_referenced_tmp_var): Remove.
8931 (find_new_referenced_vars_1): Use add_referenced_var.
8932 * tree-ssa-pre.c (create_expression_by_pieces,
8933 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8934 Use add_referenced_var.
8935 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8936 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8937 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8939 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8940 vect_create_data_ref_ptr, vect_create_destination_var,
8941 vect_init_vector, vect_build_loop_niters,
8942 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8943 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8944 Use add_referenced_var.
8945 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8946 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8947 (add_referenced_var): Add prototype.
8948 * tree-ssa-structalias.c (get_constraint_for,
8949 intra_create_variable_infos): Use add_referenced_var.
8951 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8953 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8954 big-endian paradoxical subregs.
8955 * var-tracking.c (struct micro_operation_def): Document that,
8956 for modify micro operations, insn is the subsequent instruction.
8957 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8958 (var_reg_set, var_mem_set): ... new functions.
8959 (add_stores): Record subsequent insn.
8960 (compute_bb_dataflow): Use new functions for MO_USE.
8961 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8962 notes after the insn, and modify notes before the insn known
8963 to be the subsequent one.
8964 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8966 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8969 * config/i386/i386.c (ix86_expand_builtin): Use
8970 gen_sse3_monitor64 for TARGET_64BIT.
8972 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8974 PR rtl-optimization/26375
8975 PR rtl-optimization/26855
8976 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8978 (df_ru_bb_local_compute): Reversed statements and removed bogus
8979 comment explaining why they should be in wrong order.
8980 (df_ru_dump, df_rd_dump): Enhanced debug info.
8981 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8983 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8984 reaching uses and fixed space problem.
8986 2006-05-23 Jan Hubicka <jh@suse.cz>
8988 * cgraphunit.c (decide_is_function_needed): Also nested functions
8989 and functions declared inline can be optimized out at -O0.
8991 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8993 * doc/install.texi (Configuration): Remove reference to CrossGCC
8997 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9000 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
9001 ix86_compare_emitted is non-NULL.
9003 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9006 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
9009 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9011 PR rtl-optimization/25514
9012 * combine.c (replaced_rhs_insn): New variable.
9013 (combine_instructions): Set replaced_rhs_insn when trying to replace
9014 a SET_SRC with a REG_EQUAL note.
9015 (distribute_notes): Use replaced_rhs_insn when determining the live
9016 range of a REG_DEAD register.
9018 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
9019 Anatoly Sokolov <aesok@post.ru>
9021 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
9022 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
9023 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
9024 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
9025 atmega3290, atmega649, atmega6490, atmega406, atmega640,
9026 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
9027 at90usb647, at90usb1286 and at90usb1287 devices.
9028 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9029 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9031 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9033 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
9035 2006-05-22 Richard Guenther <rguenther@suse.de>
9038 2006-01-31 Richard Guenther <rguenther@suse.de>
9039 Paolo Bonzini <bonzini@gnu.org>
9041 * doc/install.texi (--disable-libgcc-math): Document.
9043 2006-05-22 Richard Guenther <rguenther@suse.de>
9046 2006-01-31 Richard Guenther <rguenther@suse.de>
9048 * doc/invoke.texi (-msselibm): Document.
9049 * target.h (expand_library_builtin): New target hook.
9050 * builtins.c (expand_builtin): Use expand_library_builtin.
9051 (default_expand_library_builtin): New function.
9052 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9053 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9054 (link_gcc_math_spec): Declare.
9055 (static_specs): Add link_gcc_math_spec.
9056 * expr.h (default_expand_library_builtin): Declare.
9057 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9058 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9059 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9060 * config/i386/i386.opt (msselibm): New target option.
9061 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9062 (ix86_init_sse_abi_builtins): New function.
9063 (ix86_expand_library_builtin): Likewise.
9064 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9065 (override_options): Handle error conditions wrt -msselibm.
9066 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9067 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9068 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9071 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9074 * c-common.c (self_promoting_args_p): Skip erroneous args.
9077 * c-decl.c (finish_struct): Skip erroneous fields.
9079 2006-05-22 Nick Clifton <nickc@redhat.com>
9081 * config/cris/cris.opt (march): Remove VarExists attribute.
9082 (max-stackframe=): Likewise.
9084 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9086 * doc/rtl.texi: Fix a typo.
9087 * see.c: Fix comment typos.
9089 * tree-ssa-structalias.h (alias_info): Remove num_references.
9091 2006-05-21 Mike Stump <mrs@apple.com>
9093 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
9095 (darwin_pragma_options): Use BAD instead.
9096 (darwin_pragma_unused): Likewise.
9097 (darwin_pragma_ms_struct): Likewise.
9099 2006-05-21 David Edelsohn <edelsohn@gnu.org>
9101 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
9103 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
9105 PR rtl-optimization/27671
9106 * simplify-rtx.c (simplify_relational_operation_1): Fix
9107 simplifications of (eq/ne (xor x y) y) and
9108 (eq/ne (xor x y) x).
9110 PR tree-optimization/26622.
9111 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
9114 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9116 * tree-cfg.c: Prune whitespace.
9117 (debug_tree_cfg): Point to correct header containing the
9120 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9123 * cgraphunit.c (verify_cgraph_node): Typo in error message.
9125 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
9128 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
9129 or sorry count is non zero.
9131 2006-05-20 Andreas Schwab <schwab@suse.de>
9133 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
9135 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
9136 Kenneth Zadeck <zadeck@naturalbridge.com>
9138 PR rtl-optimization/26855
9140 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
9142 (df_scan_alloc): Added code to properly handle multiword hard
9143 registers and add all_blocks parameter.
9144 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
9145 code to properly handle multiword hard registers.
9146 (df_rescan_blocks): Added code to remove deleted blocks from
9148 (df_ref_create_structure, df_ref_record): Added code to properly
9150 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
9151 and set DF_REF_PARTIAL.
9152 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
9153 (df_uses_record): Added DF_REF_PARTIAL for subreg.
9154 (df_scan_add_problem): Added flags parameter.
9155 (df_ref_create_structure): Changed switching structure.
9156 (df_bb_refs_record): Fixed case where duplicate artificial refs
9157 were created. Changed location of flags.
9158 (df_record_entry_block_defs): Added code to make stack pointer
9159 live in entry block. Refined cases where frame pointer is needed.
9160 Changed location of flags.
9161 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
9162 (df_set_state): Removed function.
9163 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
9164 df_insn_create_insn_record, df_insn_refs_delete,
9165 df_ref_create_structure): Formatting changes.
9166 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
9167 df_delete_basic_block): New function.
9168 (df_init): Changed location of flags.
9169 (df_add_problem): Added flags parameter and the way flags are
9171 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
9172 debug_df_chain): Improved debugging output.
9173 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
9174 (df_refs_chain_dump): Removed df parameter.
9175 (df_iterative_dataflow): Added consistency check.
9176 (df_prune_to_subcfg): Made public.
9177 (df_analyze_problem): Added blocks_to_init parameter and made
9179 (df_ref_record, df_bb_refs_record, df_mark_reg,
9180 df_record_exit_block_uses): Whitespace changes.
9181 (df_dump): Whitespace changes.
9182 * df.h: Some reordering to remove forward references.
9183 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9184 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9185 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9186 (dataflow.flags): New field.
9187 (df.flag): Deleted field.
9188 (df_alloc_function): Added additional bitmap parameter.
9189 (df_dependent_problem_function): New type.
9190 (df_problem.changeable_flags): New field.
9191 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9192 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9193 (df_mw_hardreg): New struct.
9194 (DF_INSN_UID_MWS): New macro.
9195 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9197 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9198 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9199 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9200 (df_set_state): Removed function.
9201 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9202 * df-problems.c (df_chain_dump): Removed df parameter.
9203 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9204 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9206 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9207 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9208 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9209 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9210 DF_REF_MUST_CLOBBER cases.
9211 (df_ru_bb_local_compute_process_def,
9212 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9213 df_lr_bb_local_compute, df_ur_bb_local_compute,
9214 df_chain_create_bb): Made subreg aware.
9215 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9216 df_lr_bb_local_compute, df_lr_bb_local_compute,
9217 df_chain_create_bb): Cleanup to use proper macros.
9218 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9219 code to fixup bitvectors.
9220 (df_ri_alloc): Cleared lifetime.
9221 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9222 df_create_unused_note): New function.
9223 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9224 REG_DEAD and REG_UNUSED notes as well as register information.
9225 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9226 df_chains_dump): Fixed crash if problem was never run.
9227 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9228 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9229 df_ri_add_problem): Processes flags in uniform manner.
9230 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9231 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9232 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9233 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9234 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9235 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9236 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9237 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9238 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9239 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9240 * see.c (see_initialize_data): Ditto.
9241 * final.c (rest_of_clean_state) Added regstack_completed.
9242 * rtl.h (regstack_completed): Ditto.
9243 * reg-stack.c (regstack_completed): Ditto.
9245 2006-05-19 Mike Stump <mrs@apple.com>
9247 * c-tree.h (default_conversion): Remove.
9248 * c-common.h (default_conversion): Add.
9250 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9252 * tree-vrp.c (valid_value_p): New function.
9253 (adjust_range_with_scev): Fail if the value of bound is not
9256 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9258 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9259 (mips_fallback_frame_state): Use syscall numbers to determine
9260 the appropriate li instruction for the current ABI. Only use
9261 __NR_sigreturn for o32.
9263 2006-05-19 Nicolas Setton <setton@adacore.com>
9265 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9266 * langhooks.c (lhd_dwarf_name): New function.
9267 * langhooks-def.h (lhd_dwarf_name): Declare.
9268 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9269 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9271 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9273 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9275 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9276 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9277 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9278 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9279 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9280 determine the size of Wtype, etc.
9281 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9282 (swfloatfuncs): New variable.
9283 (dwfloatfuncs): Likewise.
9284 (lib2funcs): Remove floating-point conversion functions from
9285 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9286 the set of conversion routines needed. Allow entries to specify
9287 an object name, filename and word size. Update users accordingly.
9288 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9289 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9293 2006-02-08 Roger Sayle <roger@eyesopen.com>
9296 * config/fixtfdi.c: New libgcc source file.
9297 * config/fixunstfdi.c: New source file.
9298 * config/floatditf.c: New source file.
9299 * config/floatunditf.c: New souce file.
9300 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9301 files above instead of config/mips/_tilib.c.
9302 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9304 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9306 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9307 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9309 2006-05-18 Mike Stump <mrs@apple.com>
9311 Fix up vla, vm and [*] sematics.
9317 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9318 (c_vla_unspec_p): Add.
9319 (c_vla_type_p): Add.
9320 * c-decl.c (struct c_scope): Add had_vla_unspec.
9321 (build_array_declarator): Add support for [*].
9322 (grokdeclarator): Likewise.
9323 (grokparms): Likewise.
9324 (get_parm_info): Likewise.
9325 * c-objc-common.c (c_vla_unspec_p): Likewise.
9326 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9327 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9328 typeof when argument is a variably modified type not inside sizeof or alignof.
9329 (c_parser_direct_declarator_inner): Propagate errors.
9330 (c_parser_sizeof_expression): Add support for [*].
9331 (c_parser_parms_declarator): Initialize had_vla_unspec.
9332 (c_parser_parms_list_declarator): Likewise.
9333 * c-typeck.c (c_vla_type_p): Add.
9334 (composite_type): Add support for vla compositing.
9335 (comptypes_internal): Add support for vla compatibility.
9336 (c_expr_sizeof_expr): Evaluate vla arguments.
9337 * tree.c (variably_modified_type_p): Update comment for [*].
9339 2006-05-18 Michael Matz <matz@suse.de>
9342 * config.host: Make assignments to host_xmake_file cumulative.
9343 * config.host (*-darwin*): Test $host, not $target.
9345 2006-05-12 Stuart Hastings <stuart@apple.com>
9347 * config/i386/i386.opt (-mstackrealign): New flag.
9348 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9349 (ix86_handle_cconv_attribute): Emit error when
9350 force_align_arg_pointer attribute collides with too many regparms.
9351 (ix86_function_regparm): Limit regparms when used with
9352 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9353 Support stack-realigning prologue in non-main functions. Emit
9354 warning for nested functions under -mstackrealign, emit error for
9355 nested functions with force_align_arg_pointer attribute.
9356 * doc/extend.texi (force_align_arg_pointer): Document it.
9357 * doc/invoke.texi (-mstackrealign): Document it.
9359 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9361 PR rtl-optimization/27477
9362 * combine.c (try_combine): Don't split a parallel consisting
9363 of two sets into two individual sets if both sets reference
9366 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9368 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9369 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9371 * doc/options.texi (VarExists): Updated.
9373 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9375 * unwind-dw2.c: Add declarations for uw_update_context and
9377 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9378 detected, advance frame state and context once to skip over stub.
9380 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9384 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9385 Call rewrite_into_loop_closed_ssa only when something changed.
9386 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9387 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9388 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9389 Test for perfect_nest_p here. Fix formating.
9390 (replace_uses_equiv_to_x_with_y): Fix formating.
9391 (stmt_uses_op): Removed.
9392 (can_convert_to_perfect_nest): Removed loopivs parameter.
9393 Complete the test by checking the scalar dependences.
9394 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9397 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9400 From Dan Kegel <dank@kegel.com>:
9401 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9403 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9405 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9406 if the element type is variably modified without recursing.
9408 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9411 * tree-loop-linear.c (try_interchange_loops): Test for
9412 no data dependences.
9414 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9416 PR tree-optimization/27548
9417 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9418 range of ssa names that appear on abnormal edges.
9419 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9420 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9422 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9425 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9427 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9430 * tree.h (OMP_PARALLEL_COMBINED): Define.
9431 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9432 (new_omp_context): Add is_combined_parallel argument.
9433 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9434 new_omp_context caller.
9435 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9436 Adjust gimplify_scan_omp_clauses callers.
9437 (omp_is_private): Issue errors if iteration variable is firstprivate
9438 or reduction in the current context.
9439 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9440 on combined parallel workshare constructs.
9442 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9444 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9445 (gcc-options.o): New rule.
9447 * optc-gen.awk: Protect variables for gcc-options.o with
9448 #ifdef GCC_DRIVER/#endif.
9450 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9452 Fix PR tree-optimization/27373
9453 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9454 (forward_propagate_addr_expr): Update call.
9456 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9458 * doc/options.texi: Move the Negative option.
9460 2006-05-16 Richard Guenther <rguenther@suse.de>
9462 PR tree-optimization/22303
9463 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9465 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9466 ccp_fold did not simplify the statement.
9468 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9471 * Makefile.in (GCC_OBJS): New.
9472 (OBJS-common): Add opts-common.o.
9473 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9474 (cpp$(exeext)): Likewise.
9475 (gcc.o): Also depend on opts.h.
9476 (opts-common.o): New.
9478 * common.opt (gcoff): Add Negative(gdwarf-2).
9479 (gdwarf-2): Add Negative(gstabs).
9480 (gstabs): Add Negative(gstabs+).
9481 (gstabs+): Add Negative(gvms).
9482 (gvms): Add Negative(gxcoff).
9483 (gxcoff): Add Negative(gxcoff+).
9484 (gxcoff+): Add Negative(gcoff).
9485 * config/i386/i386.opt (m32): Add Negative(m64).
9486 (m64): Add Negative(m32).
9488 * doc/options.texi: Document the Negative option.
9490 * gcc.c: Include "opts.h".
9491 (main): Call prune_options after expandargv.
9493 * optc-gen.awk: Generate common declarations for all flag
9494 variables in options.c. Output the neg_index field.
9496 * opts.c (find_opt): Moved to ...
9497 * opts-common.c: Here. New file.
9499 * opts.h (cl_option): Add a neg_index field.
9501 (prune_options): Likewise.
9503 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9506 * omp-low.c (expand_omp_parallel): Don't assert
9507 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9508 instead search for it.
9511 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9514 2006-05-16 Andreas Schwab <schwab@suse.de>
9516 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9519 2006-05-15 Roger Sayle <roger@eyesopen.com>
9522 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9523 integer constants other than zero are only legitimate on TARGET_64BIT.
9524 <CONST_VECTOR> Only zero vectors are legitimate.
9525 (ix86_cannot_force_const_mem): Integral and vector constants can
9526 always be put in the constant pool.
9528 2006-05-16 DJ Delorie <dj@redhat.com>
9530 * crtstuff.c (__dso_handle): Set section from
9531 TARGET_LBIGCC_SDATA_SECTION if defined.
9532 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9533 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9535 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9538 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9541 2006-05-16 Ben Elliston <bje@au.ibm.com>
9543 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9545 2006-05-15 Per Bothner <per@bothner.com>
9547 * tree.c: (last_annotated_node): Use source_locus typedef.
9548 This permits bootstrapping with --enable-mapped-location.
9550 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9552 PR tree-optimization/26830
9553 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9554 (info_for_ssa_name, current_info_for_ssa_name_age,
9555 blocks_to_update): New variables.
9556 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9557 (clear_ssa_name_info, initialize_flags_in_bb,
9558 mark_block_for_update): New functions.
9559 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9560 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9561 prepare_def_site_for): Use mark_block_for_update.
9562 (mark_def_interesting): Assert that the processed block is marked in
9563 blocks_to_update. Do not take blocks argument.
9564 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9566 (rewrite_update_init_block, rewrite_update_stmt): Only process
9567 blocks with statements to rewrite.
9568 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9569 (update_ssa): Initialize and free blocks_to_update. Do not
9570 clear flags on statements. Do not use blocks bitmap.
9571 * tree.h (SSA_NAME_AUX): Removed.
9572 (struct tree_ssa_name): Removed aux field.
9573 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9575 2006-05-15 Richard Guenther <rguenther@suse.de>
9577 PR tree-optimization/27603
9578 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9579 Do computations in original type.
9581 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9583 * see.c: Code style changes such as redundant paranthesis,
9584 redundant intialization of local variables etc.
9585 (see_main): Declared now as static.
9586 * doc/invoke.texi: Update that -fsee is not enabled by
9589 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9591 * omp-low.c (check_omp_nesting_restrictions): New function.
9592 (scan_omp_1): Call it.
9595 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9596 construct, return *VAR.
9598 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9600 PR rtl-optimization/27406
9601 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9604 2006-05-14 Roger Sayle <roger@eyesopen.com>
9606 PR rtl-optimization/27538
9607 * combine.c (expand_compound_operation): Call gen_lowpart
9608 before calling simplify_shift_const.
9610 2006-05-14 Roger Sayle <roger@eyesopen.com>
9612 PR rtl-optimization/22563
9613 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9614 a fixed width bitfield, always force the intermediates into psuedos.
9616 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9619 * mkconfig.sh: Use operator = instead of == for test.
9621 2006-05-13 Nick Clifton <nickc@redhat.com>
9623 * dwarf2out.c (dbx_reg_number): Check return value from
9624 LEAF_REG_REMAP and only use it if it is valid.
9625 (multiple_reg_loc_descriptor): Likewise.
9627 2006-05-13 Richard Guenther <rguenther@suse.de>
9629 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9632 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9634 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9635 information attached to non-INSNs such as NOTEs.
9636 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9638 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9640 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9642 * config/s390/s390.md: Adjust comment describing On constraint.
9644 2006-05-11 Jan Hubicka <jh@suse.cz>
9646 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9647 to be output at -O0.
9649 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9652 * fold-const.c (size_binop): Move sanity check for arguments to
9653 the beginning of the function.
9656 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9659 2006-05-11 Richard Guenther <rguenther@suse.de>
9662 * fold-const.c (fold_unary): Handle intermediate conversion
9663 to a pointer type like intermediate conversion to an integer
9664 type in folding of (T1)(T2)var to var.
9665 Match the code to the comment in the final conversion for
9666 (T1)(T2)var to (T1)var regarding to type precision. Rather
9667 than disallow T1 being of pointer type, assert that both T1
9668 and var are of pointer type or not. Make sure not to fall
9669 over the frontends lazyness wrt array to pointer decay though.
9671 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9673 * arm.c (arm_struct_value_rtx): Delete.
9674 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9675 (arm_init_cumulative_args): Always initialize nregs to zero.
9677 2006-05-10 Richard Guenther <rguenther@suse.de>
9679 PR tree-optimization/27532
9680 * tree-object-size.c (plus_expr_object_size): Fix typo.
9682 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9685 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9686 ashrdi_const, ashrdi3): Use a scratch register.
9688 2006-05-10 Richard Guenther <rguenther@suse.de>
9690 PR tree-optimization/27302
9691 * fold-const.c (operand_equal_p): For two comparisons,
9692 try comparison of one comparison code swapped if that yields
9695 2006-05-10 Ben Elliston <bje@au.ibm.com>
9697 * tree-pretty-print.c (pretty_print_string): No need to handle
9698 '\0' as a special character.
9700 * tree.h: Include "hashtab.h".
9701 (iterative_hash_expr): Use hashval_t in its prototype.
9702 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9704 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9707 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9708 (hppa*64*-*-hpux11*): Ditto.
9709 (hppa[12]*-*-hpux11*): Ditto.
9711 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9714 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9716 2006-05-09 Michael Matz <matz@suse.de>
9718 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9719 host_extra_gcc_objs and host_xmake_file.
9720 (<*-*-linux*>): Don't overwrite host_xmake_file.
9721 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9722 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9723 (host_detect_local_cpu): Declare.
9724 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9725 * config/i386/i386.c (override_options): Handle -mtune=native
9727 * config/i386/x-i386: New file.
9728 * config/i386/driver-i386.c: New file.
9729 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9732 2006-05-09 Dirk Mueller <dmueller@suse.de>
9733 Richard Guenther <rguenther@suse.de>
9736 * fold-const.c (fold_read_from_constant_string): Relax check
9737 for matching types to matching modes.
9739 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9741 PR rtl-optimization/27335
9742 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9745 2006-05-08 Chao-ying Fu <fu@mips.com>
9746 Richard Sandiford <richard@codesourcery.com>
9748 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9749 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9750 * config/mips/mips.md (UNSPEC_SCC): New constant.
9751 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9752 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9753 (mips_emit_compare): Use it.
9754 (mips_expand_vcondv2sf): New function.
9756 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9758 Fix PR tree-optimization/27093
9759 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9760 renaming when they become not-used_alone.
9762 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9764 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9765 relocation and relocation stubs.
9767 2006-05-08 Eric Christopher <echristo@apple.com>
9769 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9772 2006-05-08 Jan Hubicka <jh@suse.cz>
9775 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9776 unused static functions are needed.
9778 2006-05-08 Roger Sayle <roger@eyesopen.com>
9781 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9782 of a reg_equiv_constant if the result is a legitimate constant.
9784 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9787 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9788 standard 80387 constants, raise the cost to prevent
9789 compress_float_constant() to generate load from memory.
9791 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9793 * config/arm/constraints.md (c): Fix a typo.
9795 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9798 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9801 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9803 (_mm_mwait): Likewise.
9805 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9807 (sse3_monitor): Make it 32bit only.
9808 (sse3_monitor64): New. 64bit monitor.
9810 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9813 * config/i386/i386.c (classify_argument): Skip fields with invalid
9816 2006-05-07 Richard Guenther <rguenther@suse.de>
9818 PR tree-optimization/27409
9819 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9820 Do not try to find zero-sized subvars.
9822 2006-05-07 Richard Guenther <rguenther@suse.de>
9824 PR tree-optimization/27136
9825 * tree-ssa-loop-niter.c (get_val_for): Correct function
9826 comment, assert requirements.
9827 (loop_niter_by_eval): Stop processing if the iterated
9828 value did not simplify.
9830 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9832 * opts.c (flag_see): remove its setting at -O3.
9834 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9836 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9837 * arm/constraints.md: New file.
9838 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9839 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9840 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9841 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9842 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9843 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9844 * arm.md: Include constraints.md.
9845 (thumb_movsi_insn): Use satisfies_constraint_J.
9846 (movhi, movqi): Use satisfies_constraint_I.
9848 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9850 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9851 for atmeg a645 device.
9853 2006-05-06 Richard Guenther <rguenther@suse.de>
9855 PR tree-optimization/27151
9856 * tree-vect-transform.c (vectorizable_condition): Punt on
9857 values that have a different type than the condition.
9859 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9862 * c-parser.c (c_parser_cast_expression): Only insert casts into
9863 hash table if pointer.
9864 * function.c (used_types_insert_helper): Rename from
9866 (used_types_insert): Call used_types_insert_helper.
9867 * function.h (used_types_insert): Accept only one argument.
9869 2006-05-05 David Edelsohn <edesohn@gnu.org>
9871 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9872 scratch with output modifier.
9874 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9877 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9878 with output modifier.
9880 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9883 * config/mips/mips.c (mips_symbolic_address_p): Return true
9884 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9885 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9887 2006-05-04 Richard Guenther <rguenther@suse.de>
9889 PR tree-optimization/14287
9890 PR tree-optimization/14844
9891 PR tree-optimization/19792
9892 PR tree-optimization/21608
9893 PR tree-optimization/27090
9894 * tree-ssa-pre.c (try_combine_conversion): New function.
9895 (compute_avail): After constructing the value-handle
9896 expression, use try_combine_conversion to combine NOP_EXPRs
9897 with previous value-handle expressions and use the result if it
9900 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9902 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9904 2006-05-04 Jan Hubicka <jh@suse.cz>
9907 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9909 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9911 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9912 that this only matches CONST_INTs. All users changed to VOIDmode
9915 * config/bfin/bfin.c: Include "optabs.h".
9916 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9918 (enum bfin_builtins): Add a number of fractional and vector builtins.
9919 (bfin_init_builtins): Likewise.
9920 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9921 (safe_vector_operand, bfin_expand_binop_builtin,
9922 bfin_expand_unop_builtin): New functions.
9923 (bfin_expand_builtin): Handle the new builtins.
9924 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9927 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9930 * Makefile.in (OBJS-common): Add see.o.
9931 (see.o): Add dependencies.
9932 * common.opt (fsee): New flag for the see optimization was added.
9933 * opts.c (flag_see): Initialized.
9934 * passes.c (init_optimization_passes, pass_see): New pass.
9935 * rtl.h (see_main): Declaration as extern.
9936 * timevar.def (TV_SEE): New.
9937 * tree-pass.h (pass_see): Declaration as extern.
9938 * invoke.texi (-fsee): Document.
9939 * recog.c (validate_simplify_insn): New function.
9940 * recog.h (validate_simplify_insn): Declaration as extern.
9941 * df-problems.c (df_chain_dump): Check for NULL.
9943 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9944 Daniel Berlin <dberlin@dberlin.org>
9946 * cfgrtl.c (insert_insn_bb_end_new): New function.
9947 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9949 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9951 * df.h (struct web_entry): Moved from web.c.
9952 (union_defs): Declaration as extern.
9953 (unionfind_root): Likewise.
9954 (unionfind_union): Likewise.
9955 * web.c (struct web_entry): Moved to df.h.
9956 (unionfind_root): Remove static declaration.
9957 (unionfind_union): Likewise.
9958 (union_defs): Likewise and generalize to use callback function.
9959 (web_main): Update arguments for union_defs function call.
9961 2006-05-04 Richard Guenther <rguenther@suse.de>
9963 PR tree-optimization/26447
9964 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9965 produce SSA_NAME copies before the store stmt to avoid
9966 breaking exception handling.
9968 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9971 * gimplify.c (omp_is_private): If var is shared in some outer context,
9972 return false instead of true. Stop searching on parallel context
9975 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9978 * coverage.c: Use get_gcov_unsigned_t() instead of
9979 unsigned_type_node all over.
9981 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9983 PR tree-optimization/27381
9984 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9985 maintain the same immediate_use links.
9986 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9987 node rather than segfaulting.
9989 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9992 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9993 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9994 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9996 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9998 Fix PR tree-optimization/26626
9999 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
10001 * tree-ssa-operands.c (access_can_touch_variable): Allow
10002 typecasting through union pointers.
10004 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10007 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
10008 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
10009 to find if var will be a global variable even in the nested context.
10010 (omp_copy_decl): Only check for global variable at the end, it might
10011 be overridden in outer contexts.
10012 (scan_sharing_clauses): For global variables don't create a field.
10013 (lower_rec_input_clauses): Do nothing for global shared variables.
10014 Emit a barrier at the end of ILIST if there were any decls in both
10015 firstprivate and lastprivate clauses.
10016 (lower_send_clauses): Do nothing for global variables except for
10019 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
10021 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
10022 of the correct signedness is returned.
10024 2006-05-02 Jeff Law <law@redhat.com>
10026 PR tree-optimization/27364
10027 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
10028 multiply expressions.
10030 2006-05-02 Tom Tromey <tromey@redhat.com>
10032 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
10034 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
10037 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
10038 -mthumb -fPIC are used.
10040 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
10041 Joshua Kinard <kumba@gentoo.org>
10044 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
10045 with 64-bit pointers.
10047 2006-05-02 Paul Brook <paul@codesourcery.com>
10049 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
10051 (create_fix_barrier): Check that a suitable barrier location is
10053 (arm_reorg): Include ftmp->address in allowable range of addresses.
10055 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
10058 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
10061 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10063 PR middle-end/27337
10064 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
10065 around RESULT_DECL for result passed by reference.
10066 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
10067 * omp-low.c (use_pointer_for_field): Don't look at
10068 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
10069 (scan_omp_1): Call remap_decl on RESULT_DECLs.
10070 (lower_rec_input_clauses): Don't allocate VLA memory for the second
10071 time or var for passing by reference for
10072 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
10073 TREE_ADDRESSABLE variables when passing by reference.
10075 * omp-low.c (dump_omp_region): Fix output formatting.
10077 PR middle-end/27328
10078 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
10079 (expand_omp_parallel): Likewise.
10080 * tree-cfg.c (move_sese_region_to_fn): Likewise.
10082 PR middle-end/27325
10083 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
10084 on statement list containing also constructors and destructors.
10085 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
10087 PR middle-end/27310
10088 * except.c (duplicate_eh_regions): Fix clearing of
10089 cfun->eh->region_array entries.
10091 2006-05-01 DJ Delorie <dj@redhat.com>
10093 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
10095 (gcc_cv_objdump): Likewise.
10096 * configure: Regenerated.
10098 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
10101 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
10102 templates for case 3 and 4.
10104 2006-05-01 DJ Delorie <dj@redhat.com>
10106 * vec.c: Include bconfig.h when appropriate.
10107 * Makefile.in (build/vec.o): Adjust dependencies.
10108 * mkconfig.sh: Make sure config.h isn't used for build machine
10111 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10113 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
10115 (mark_phi_for_rewrite): New function.
10116 (insert_phi_nodes_for, mark_use_interesting): Call
10117 mark_phi_for_rewrite.
10118 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
10119 (update_ssa): Initialize and free phis_to_rewrite.
10121 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10123 PR rtl-optimization/27291
10124 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
10125 folded to a constant.
10127 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10129 PR tree-optimization/27283
10130 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
10131 not whole # of iteration descriptions.
10132 (niter_for_exit): Return just # of iterations. Fail if # of iterations
10133 uses abnormal ssa name.
10134 (niter_for_single_dom_exit): Ditto.
10135 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
10136 return just the number of iterations.
10138 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10140 PR tree-optimization/27144
10141 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
10142 (record_estimate): Only record constant upper bound.
10143 (infer_loop_bounds_from_undefined): Call
10144 compute_estimated_nb_iterations just once.
10145 (proved_non_wrapping_p): Renamed to ...
10146 (n_of_executions_at_most): ... this. Expect bound to be a constant.
10147 (convert_step_widening, scev_probably_wraps_p): Call
10148 n_of_executions_at_most instead of proved_non_wrapping_p.
10149 (substitute_in_loop_info): Do not replace values in bounds.
10150 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
10153 2006-05-01 Richard Henderson <rth@redhat.com>
10156 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
10157 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
10160 2006-05-01 Roger Sayle <roger@eyesopen.com>
10162 * c-typeck.c (parser_build_binary_op): Don't call the function
10163 unsigned_conversion_warning to spot operand/result type overflow.
10164 (build_binary_op): Instead, call convert_and_check instead of
10165 convert to report the problem when the operands are promoted.
10166 * c-common.c (unsigned_conversion_warning): Make static.
10167 * c-common.h (unsigned_conversion_warning): Delete prototype.
10169 2006-05-01 Richard Guenther <rguenther@suse.de>
10171 PR tree-optimization/26726
10172 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
10174 (find_interesting_uses_address): ... we work around here
10175 by folding INDIRECT_REFs in the substituted base.
10177 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10179 * omp-low.c (dump_omp_region): Add newlines.
10181 2006-04-30 Roger Sayle <roger@eyesopen.com>
10183 * common.opt (Woverflow): New command line option.
10184 * c-common.c (constant_expression_warning): Check warn_overflow.
10185 (overflow_waring): Pass OPT_Woverflow to warning.
10186 (unsigned_conversion_warning): Likewise.
10187 (convert_and_check): Likewise.
10188 * doc/invoke.texi: Document new command line option.
10190 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10192 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10193 TARGET_NO_FP_IN_TOC for section anchors.
10194 (optimization_options): Enable section anchors for all
10195 non-"Objective" languages.
10197 2006-04-28 Eric Christopher <echristo@apple.com>
10199 * config/darwin-c.c (darwin_ms_struct): Move this
10200 (darwin_set_default_type_attributes): and this...
10201 * config/darwin.c: ... here.
10202 * config/darwin.h (darwin_ms_struct): Declare.
10204 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10206 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10208 2006-04-28 Roger Sayle <roger@eyesopen.com>
10211 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10212 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10213 an unsigned HOST_WIDE_INT.
10214 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10216 (really_start_incremental_init): No need to call convert because
10217 bitsize_zero_node is already of type bitsizetype.
10218 (push_init_level): Extract the value of constructor_index as an
10219 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10220 (process_init_element): Likewise.
10222 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10224 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10225 value before passing to make_relative_prefix.
10227 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10229 PR middle-end/27260
10230 * builtins.c (expand_builtin_memset): Expand val in original mode.
10232 2006-04-27 Eric Christopher <echristo@apple.com>
10234 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10235 with #ifndef/#endif.
10236 * config/darwin-c.c (darwin_ms_struct): New.
10237 (darwin_pragma_ms_struct): Ditto.
10238 (darwin_set_default_type_attributes): Ditto.
10239 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10240 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10241 Register ms_struct pragma.
10242 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10243 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10244 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10245 darwin_set_default_type_attributes if TARGET_MACHO.
10247 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10249 PR tree-optimization/26854
10250 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10251 * doc/tree-ssa.texi: Update immuse iterator documentation.
10252 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10253 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10254 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10255 first_safe_imm_use, next_safe_imm_use): Remove.
10256 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10257 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10258 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10259 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10260 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10261 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10262 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10263 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10264 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10265 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10266 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10267 (perfect_nestify): Use new iterator.
10268 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10270 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10271 (next_imm_name): New field in struct immediate_use_iterator_d.
10272 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10273 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10274 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10275 * tree-cfg.c (replace_uses_by): Use new iterator.
10276 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10277 * tree-ssa-operands.c (correct_use_link): Remove.
10278 (finalize_ssa_use_ops): No longer call correct_use_link.
10280 2006-04-27 Stuart Hastings <stuart@apple.com>
10282 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10283 * config/t-darwin (crt3.o): Use it.
10284 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10285 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10286 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10287 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10288 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10291 2006-04-27 Roger Sayle <roger@eyesopen.com>
10293 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10294 size, force the intermediate into a new pseudo rather instead of
10295 performing both a bitwise AND and a bitwise IOR in memory.
10297 2006-04-27 Richard Guenther <rguenther@suse.de>
10299 PR rtl-optimization/26685
10300 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10301 this one "max-flow-memory-locations".
10303 2006-04-27 Richard Guenther <rguenther@suse.de>
10305 PR tree-optimization/25148
10306 * tree-vrp.c (compare_values): Remove code dealing with
10307 comparisons against type min/max value. Honour overflow
10308 and negative constants in code dealing with comparisons
10309 of plus and minus expressions.
10310 (value_inside_range): Use fold_binary with LE_EXPR and
10311 GE_EXPR rather than compare_values.
10313 2006-04-27 Dirk Mueller <dmueller@suse.de>
10315 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10318 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10320 * basic-block.h (safe_insert_insn_on_edge): Removed.
10321 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10323 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10324 Paolo Bonzini <bonzini@gnu.org>
10326 PR middle-end/27282
10327 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10328 (simplify_and_const_int): Same.
10330 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10332 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10334 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10337 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10338 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10339 cgraph_global_info_ready.
10341 PR middle-end/26913
10342 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10345 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10346 either decl or init is error_mark_node.
10348 PR middle-end/25989
10349 * tree-flow.h (struct omp_region): Add sched_kind.
10350 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10351 instead of extracting omp for data.
10352 (expand_omp_for): Save extracted sched_kind.
10354 2006-04-25 Roger Sayle <roger@eyesopen.com>
10356 * expmed.c (store_bit_field): Also check whether the bitsize is
10357 valid for the machine's "insv" instruction before moving the
10358 target into a pseudo for use with the insv.
10359 * config/i386/predicates.md (const8_operand): New predicate.
10360 * config/i386/i386.md (extv, extzv, insv): Use the new
10361 const8_operand predicate where appropriate.
10363 2006-04-25 DJ Delorie <dj@redhat.com>
10365 * doc/install.texi (Specific): Clarify that this is not a list of
10366 supported hosts or targets.
10368 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10370 PR rtl-optimization/26725
10371 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10372 block's BB_DIRTY flag.
10374 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10376 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10379 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10380 to print an integer.
10382 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10384 * varasm.c (align_variable): New function.
10385 (get_block_for_decl): Apply align_variable to DECL before
10386 calculating section information.
10387 (assemble_variable): Split out alignment computation.
10389 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10391 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10394 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10396 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10397 MODE_PARTIAL_INT mode.
10398 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10399 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10401 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10402 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10404 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10406 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10408 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10409 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10410 MACFLAG_IH): Likewise.
10411 (movstricthi_1): Renamed from "*movstricthi".
10412 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10413 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10414 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10415 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10416 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10417 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10418 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10419 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10420 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10421 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10422 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10423 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10424 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10425 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10426 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10428 * doc/rtl.texi (ss_ashift): Improve wording.
10430 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10432 * dwarf2out.c (verify_marks_clear): New.
10433 (prune_unused_types): Call verify_marks_clear initially, not
10436 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10438 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10439 * doc/rtl.texi: Document them.
10440 * simplify-rtx.c (simplify_unary_operation,
10441 simplify_binary_operation_1): Don't abort when we see them.
10443 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10446 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10447 * configure.ac: Completely disregard languages that are not
10449 * configure: Regenerated.
10451 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10452 Richard Guenther <rguenther@suse.de>
10454 PR tree-optimization/27236
10455 * tree-inline.c (copy_body_r): Make sure to copy
10456 TREE_THIS_VOLATILE flag.
10458 2006-04-24 Richard Guenther <rguenther@suse.de>
10460 PR middle-end/26869
10461 * tree-complex.c (update_parameter_components): Don't handle
10462 unused parameters which have no default def.
10464 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10465 Richard Guenther <rguenther@suse.de>
10467 PR tree-optimization/27218
10468 * tree-inline.c (expand_call_inline): Strip useless type
10469 conversions for the return slot address.
10471 2006-04-24 Richard Guenther <rguenther@suse.de>
10473 * cfgloop.h (struct loops): Remove unused field array. Reorder
10475 (LOOP_PREFETCH): Remove.
10477 2006-04-24 Richard Guenther <rguenther@suse.de>
10479 PR tree-optimization/22525
10480 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10481 variable, adjust types of generated expressions.
10483 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10485 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10486 (tree-vect-patterns.o): Likewise.
10487 (jump.o): Likewise.
10488 (cselib.o): Likewise.
10489 (loop-doloop.o): Likewise.
10490 (regclass.o): Likewise.
10491 (reload1.o): Likewise.
10492 (explow.o): Replace target.h with $(TARGET_H).
10493 (ipa-prop.o): Likewise.
10494 (ipa-cp.o): Likewise.
10495 (ipa-inline.o): Likewise.
10496 (reorg.o): Likewise.
10497 (reg-stack.o): Likewise.
10499 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10501 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10503 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10505 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10507 * configure.ac: Completely disregard languages that are not
10509 * configure: Regenerated.
10512 * c-common.h (c_build_bitfield_integer_type): Declare.
10513 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10514 * c-common.c (c_build_bitfield_integer_type): ... here.
10516 2006-04-23 Roger Sayle <roger@eyesopen.com>
10519 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10520 a SImode SUBREG of a floating point register after no_new_pseudos.
10522 2006-04-23 Roger Sayle <roger@eyesopen.com>
10524 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10525 identify potentially eliminable registers to additionally catch
10526 VIRTUAL_INCOMING_ARGS_REGNUM.
10527 (addsi3): Update the conditions on when to use addsi_small_int.
10529 2006-04-23 Roger Sayle <roger@eyesopen.com>
10532 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10533 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10534 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10536 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10538 * fold-const.c (range_predecessor): Use operand_equal_p
10539 as the predicate for equality.
10540 (range_successor): Likewise.
10542 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10545 * config/soft-fp/op-common.h: Fix a typo.
10547 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10549 PR libmudflap/26864
10550 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10551 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10553 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10555 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10557 * doc/tm.texi: Fix a typo.
10559 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10561 * dwarf2out.c (struct die_struct): Document that die_sib makes
10562 a circular linked list.
10563 (FOR_EACH_CHILD): New.
10564 (reverse_die_lists): Delete.
10565 (reverse_all_dies): Delete.
10566 (add_dwarf_attr): Correct documentation.
10567 (remove_child_with_prev): New.
10568 (remove_child_TAG): Update for change to die_struct, use
10569 remove_child_with_prev.
10570 (add_child_die): Update for change to die_struct.
10571 (splice_child_die): Use remove_child_with_prev and add_child_die.
10572 (print_die): Use FOR_EACH_CHILD.
10573 (die_checksum): Likewise.
10574 (assign_symbol_names): Likewise.
10575 (output_location_lists): Likewise.
10576 (build_abbrev_table): Likewise.
10577 (calc_die_sizes): Likewise.
10578 (mark_dies): Likewise.
10579 (unmark_dies): Likewise.
10580 (unmark_all_dies): Likewise.
10581 (output_die): Likewise.
10582 (prune_unused_types_mark): Likewise.
10583 (prune_unused_types_walk): Likewise.
10584 (same_die_p): Update for change to die_struct.
10585 (break_out_includes): Likewise.
10586 (prune_unused_types_prune): Likewise.
10587 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10588 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10589 it's already clear.
10590 (dwarf2out_finish): Don't call reverse_all_dies.
10592 2006-04-21 Eric Christopher <echristo@apple.com>
10594 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10595 in comments and function names.
10597 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10600 * c-typeck.c (digest_init): Robustify.
10602 * c-typeck.c (pop_init_level): Simplify.
10604 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10606 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10608 2006-04-21 Paul Brook <paul@codesourcery.com>
10610 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10611 hardware floating point.
10613 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10615 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10618 2006-04-21 Nick Clifton <nickc@redhat.com>
10620 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10623 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10626 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10627 C++ lang type in traceback table for Objective-C++.
10629 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10631 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10633 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10635 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10638 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10639 were errors. Remove check for erroneous objects.
10641 2006-04-20 Jeff Law <law@redhat.com>
10643 PR tree-optimization/26854
10644 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10645 checking for zero or one use.
10646 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10647 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10648 * tree-ssa-reassoc.c (negate_value): Similarly.
10649 (reassociate_bb): Similarly.
10651 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10653 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10654 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10655 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10657 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10659 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10660 fp regs if the last fp arg doesn't fit in regs.
10662 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10665 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10666 that the last insn has the REG_INC note.
10668 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10669 Nathan Sidwell <nathan@codesourcery.com>
10672 * stor-layout.c (update_alignment_for_field): Do not align
10674 (place_union_field): Place union field at the start of the union.
10675 (place_field): Move ERROR_MARK check later, and use the current
10676 allocation position to maintain monotonicity.
10678 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10680 * dominance.c: Include timevar.h.
10681 (calculate_dominance_info): Use TV_DOMINANCE.
10682 * timevar.def (TV_DOMINANCE): New timevar.
10683 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10685 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10687 PR rtl-optimization/14261
10688 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10689 move would be an INSV insn.
10690 (noce_process_if_block): Don't optimize if the destination is a
10691 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10693 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10695 * config/s390/s390.md: Add comments with the instructions emitted
10696 by an insn pattern if macros are used.
10698 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10700 PR rtl-optimization/26026
10701 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10702 is a known power of two shifted left a variable amount.
10704 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10706 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10707 to hash table twice when the debug_str section has SECTION_MERGE.
10709 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10711 * config/soft-fp: New directory. From glibc.
10712 * config/soft-fp/t-softfp: New.
10713 * config/soft-fp/README: New.
10714 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10715 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10716 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10717 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10718 * config.gcc: Use rs6000/t-fprules-fpbit or
10719 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10721 * config/rs6000/sfp-machine.h: New. Based on glibc.
10722 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10724 * config/rs6000/t-fprules: Remove fp-bit rules.
10725 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10726 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10727 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10728 (softfp_wrap_start, softfp_wrap_end): New.
10730 2006-04-18 DJ Delorie <dj@redhat.com>
10732 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10734 2006-04-18 Devang Patel <dpatel@apple.com>
10736 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10738 2006-04-18 Nick Clifton <nickc@redhat.com>
10740 * config/sh/t-symbian: Add rule to build sh-c.o
10741 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10742 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10743 (sh_symbian_encode_section_info): Likewise.
10745 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10747 * builtins.c (expand_builtin_strcmp): Cover label definition of
10748 do_libcall with HAVE_cmpstrnsi.
10750 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10752 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10754 * function.h (temp_slot_p): New.
10755 (function): Change the type of x_used_temp_slots to
10756 VEC(temp_slot_p,gc) *.
10758 2006-04-18 Nick Clifton <nickc@redhat.com>
10760 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10761 flag_strength_reduce.
10763 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10765 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10769 Partial revert of revision 112637
10770 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10771 Dale Johannesen <dalej@apple.com>
10774 * regclass.c (struct reg_pref): Update documentation.
10775 (regclass): Set prefclass to NO_REGS if memory is the best option.
10776 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10778 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10780 PR tree-optimization/26821
10781 * tree-ssa-math-opts.c (get_constant_one): New.
10782 (insert_reciprocals): Use it.
10784 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10786 * dwarf2out.c (free_AT): Delete.
10787 (remove_AT): Update string ref counts.
10788 (remove_child_TAG): Don't call free_die.
10789 (free_die): Delete.
10790 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10791 or DW_TAG_GNU_EINCL.
10792 (prune_unused_types_walk_attribs): Reset string refcounts.
10793 (prune_unused_types_update_strings): New.
10794 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10795 call free_die. Do call prune_unused_types_update_strings.
10796 (prune_unused_types): Empty debug_str_hash.
10798 2006-04-17 Roger Sayle <roger@eyesopen.com>
10800 * expr.c (expand_assignment): Optimize away no-op moves where the
10801 source and destination are equal and have no side-effects.
10803 2006-04-17 Richard Guenther <rguenther@suse.de>
10806 * reload.c (push_reload): Guard calls to get_secondary_mem
10807 for memory subregs.
10809 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10811 * alias.c (reg_base_value, old_reg_base_value): Change the
10812 type to VEC(rtx,gc) *.
10813 (REG_BASE_VALUE, find_base_value, record_set,
10814 init_alias_analysis): Use VEC instead of VARRAY.
10816 * alias.c (alias_sets): Change the type to
10817 VEC(alias_set_entry,gc) *.
10818 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10819 VEC instead of VARRAY.
10820 (last_alias_set): Remove.
10822 * cgraph.h (cgraph_edge_p): New.
10823 Update the prototype of cgraph_function_versioning.
10824 * cgraphunit.c (cgraph_copy_node_for_versioning,
10825 cgraph_function_versioning): Use VEC instead of VARRAY.
10826 * ipa-cp.c (ipcp_insert_stage): Likewise.
10828 2006-04-16 Roger Sayle <roger@eyesopen.com>
10831 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10832 "A op B" or "A op C", we may need to convert A to the type of B and C.
10834 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10836 * target.h (struct gcc_target): Add mode_rep_extended.
10837 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10838 (init_num_sign_bit_copies_in_rep): Initialize it using
10840 (truncate_to_mode): Use it.
10841 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10842 * targhooks.h (default_mode_rep_extended): Declare it.
10843 * targhooks.c (default_mode_rep_extended): Define it.
10844 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10845 default_mode_rep_extended.
10846 (TARGET_INITIALIZER): Include it.
10847 * doc/tm.texi (Misc): Document it.
10848 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10849 (mips_truncated_to_mode): New function.
10851 2006-04-16 Roger Sayle <roger@eyesopen.com>
10853 PR middle-end/25474
10854 * expr.c (compress_float_constant): Copy the narrow constant into
10855 a new pseudo before extending it to its final width.
10857 2006-04-16 Roger Sayle <roger@eyesopen.com>
10858 Andrew Pinski <pinskia@gcc.gnu.org>
10859 Dale Johannesen <dalej@apple.com>
10862 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10863 special case code to implement V8HImode and V16QImode with SSE2.
10865 2006-04-15 Roger Sayle <roger@eyesopen.com>
10867 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10868 trees are constructed with a suitable tree type.
10870 2006-04-15 Roger Sayle <roger@eyesopen.com>
10872 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10873 (integer_onep): Likewise.
10874 (integer_all_onesp): Likewise.
10875 (integer_pow2p): Likewise.
10876 (integer_nonzerop): Likewise.
10877 (real_zerop): Likewise.
10878 (real_onep): Likewise.
10879 (real_twop): Likewise.
10880 (real_minus_onep): Likewise.
10881 (int_size_in_bytes): Likewise.
10882 (host_integerp): Likewise.
10884 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10886 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10887 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10888 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10890 * tree-ssa-structalias.h (alias_info): Remove num_references.
10892 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10894 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10895 (output_bvb patterns): Likewise.
10896 * pa.c (output_bb): Use 'bb' insn for long branch case.
10897 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10898 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10899 1. Correct length operand for alternatives 1 and 2.
10900 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10901 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10903 2006-04-14 Roger Sayle <roger@eyesopen.com>
10905 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10906 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10907 were accidentally reverted by r112959.
10909 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10911 PR middle-end/26823
10912 * except.h (eh_region_outermost): New prototype.
10913 * except.c (eh_region_outermost): New function.
10914 * tree-cfg.c (find_outermost_region_in_block): Use it.
10916 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10918 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10920 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10921 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10922 (init_reload, reload): Use VEC instead of VARRAY.
10923 * reload.h: Update the prototype for
10924 reg_equiv_memory_loc_varray.
10926 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10927 Eric Botcazou <ebotcazou@libertysurf.fr>
10929 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10930 register save area.
10932 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10934 PR middle-end/27134
10935 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10936 to expand fallback builtin function call.
10938 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10940 PR middle-end/27095
10941 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10942 and emit libcall here in case the builtin fails.
10943 (expand_builtin_strcmp): Always emit the libcall here on failure.
10945 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10947 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10948 * flow.c (reg_n_info): Change the type to
10949 VEC(reg_info_p,heap) *.
10950 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10952 * regs.h (reg_info_p): New.
10953 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10954 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10955 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10958 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10960 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10962 * params.h (MAX_SCHED_READY_INSNS): New macro.
10963 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10964 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10965 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10966 the ready list for 1 cycle during the first scheduling pass.
10967 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10969 2006-04-13 Richard Henderson <rth@redhat.com>
10972 * gimple-low.c (lower_omp_directive): Remove dead code.
10973 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10974 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10975 * omp-low.c (struct omp_region): Move to tree-flow.h.
10976 (root_omp_region): Export.
10977 (omp_regions, lookup_omp_region): Remove.
10978 (determine_parallel_type): Update for struct omp_region changes.
10979 (dump_omp_region): Dump regions with block numbers.
10980 (new_omp_region): Take type and block instead of stmt; malloc
10982 (free_omp_region_1, free_omp_regions): New.
10983 (expand_parallel_call): Take entry_stmt as argument; update for
10984 changes to omp_region.
10985 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10986 (remove_exit_barriers): New.
10987 (expand_omp_parallel): Update for struct omp_region changes.
10988 (expand_omp_synch): Likewise.
10989 (expand_omp): Likewise.
10990 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10991 (expand_omp_for_static_chunk): Likewise.
10992 (expand_omp_for): Likewise.
10993 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10994 (expand_omp_sections): Similarly, with GOMP_sections_end.
10995 (expand_omp_single): New.
10996 (build_omp_regions_1): Update for OMP_CONTINUE.
10997 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10998 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10999 OMP_SECTIONS_SECTIONS.
11000 (lower_omp_single_simple): Don't emit barrier here.
11001 (lower_omp_single_copy): Likewise.
11002 (lower_omp_single): Fix bindings, and lower to straightline now.
11003 (lower_omp_master, lower_omp_ordered): Likewise.
11004 (lower_omp_critical): Likewise.
11005 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
11006 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
11007 omp edges, free it afterward.
11008 (make_omp_sections_edges): Remove.
11009 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
11010 (move_stmt_r): Handle OMP_CONTINUE.
11011 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
11012 statement pointers to basic blocks. Add type member.
11013 (root_omp_region, new_omp_region, free_omp_regions): Declare.
11014 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
11015 * tree-inline.c (estimate_num_insns_1): Likewise.
11016 * tree-pretty-print.c (dump_generic_node): Likewise.
11017 * tree-ssa-operands.c (get_expr_operands): Likewise.
11018 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
11019 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
11020 (OMP_CONTINUE): New.
11021 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
11022 (OMP_SECTIONS_SECTIONS): Remove.
11023 (OMP_SECTION_LAST): New.
11024 (OMP_RETURN_NOWAIT): New.
11026 2006-04-13 Roger Sayle <roger@eyesopen.com>
11028 * fold-const.c (native_encode_vector, native_interpret_real):
11029 Correct obvious mistakes in the previous check-in.
11031 2006-04-13 Roger Sayle <roger@eyesopen.com>
11033 * fold-const.c (native_encode_expr): New function to encode
11034 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
11035 or VECTOR_CST into a specified buffer.
11036 (native_encode_int): New function.
11037 (native_encode_real): New function.
11038 (native_encode_complex): New function.
11039 (native_encode_vector): New function.
11040 (native_interpret_expr): Inverse of native_encode_expr to convert
11041 a target representation into an INTEGER_CST, REAL_CST etc...
11042 (native_interpret_int): New function.
11043 (native_interpret_real): New function.
11044 (native_interpret_complex): New function.
11045 (native_interpret_vector): New function.
11046 (fold_view_convert_expr): New function to constant fold/evaluate
11047 a VIEW_CONVERT_EXPR of a suitable constant expression.
11048 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
11049 Change call of build1 to fold_build1 when constructing a
11052 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
11053 Ulrich Weigand <uweigand@de.ibm.com>
11056 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
11059 2006-04-13 Alan Modra <amodra@bigpond.net.au>
11062 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
11063 optimize to lo_sum for DFmode if !TARGET_FPRS.
11065 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11067 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
11068 delete_alias_info, compute_flow_sensitive_aliasing,
11069 group_aliases): Use VEC instead of VARRAY.
11070 * tree-ssa-structalias.c (update_alias_info): Likewise.
11071 * tree-ssa-structalias.h (alias_info): Change the type of
11072 processed_ptrs to VEC(tree,heap) *.
11074 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
11077 * config/sh/lib1funcs.h: New file, broken out of:
11078 * config/sh/lib1funcs.asm.
11079 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
11081 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
11082 * config/sh/lib1funcs-Os-4-200.asm: New file.
11083 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
11084 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
11085 (EXTRA_MULTILIB_PARTS): Include it.
11086 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
11087 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
11088 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
11089 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
11092 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11094 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
11095 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
11096 tpa_compact, root_var_init, type_var_init): Use VEC instead of
11098 * tree-ssa-live.h: Include vecprim.h.
11099 (tree_partition_associator_d): Change the type of
11100 first_partition to VEC(int,heap) *.
11101 (tpa_first_partition): Use VEC instead of VARRAY.
11103 * Makefile.in (GTFILES): Move functions.h after tree.h.
11104 * function.c (reset_block_changes, record_block_change,
11105 check_block_change, free_block_changes): Use VEC instead of
11107 * function.h (function): Change the type of
11108 ib_boundaries_block to VEC(tree,gc) *.
11109 * tree-inline.c (copy_cfg_body): Initialize
11110 ib_boundaries_block to NULL instead of (varray_type) 0.
11112 2006-04-12 Roger Sayle <roger@eyesopen.com>
11114 * expr.c (emit_group_store): Correct operand order in call to
11115 subreg_lowpart_offset. Always create paradoxical SUBREGs with
11116 a SUBREG_BYTE of zero.
11118 2006-04-12 Richard Guenther <rguenther@suse.de>
11120 * profile.c (compute_branch_probabilities): Remove code
11121 encapsulated in !ir_type (), which are remanents of the
11122 removed RTL profiling code.
11123 * rtl-profile.c: Remove.
11125 2006-04-12 Alan Modra <amodra@bigpond.net.au>
11127 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
11128 magic NULL_RTX comment.
11129 (function_arg): Store entire fp arg to mem if any part should go
11131 (rs6000_arg_partial_bytes): Adjust for above change.
11133 2006-04-11 Roger Sayle <roger@eyesopen.com>
11135 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
11136 if it hasn't been initialized by dwarf2out_init.
11138 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
11140 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
11141 symbolic constants in branch patterns.
11143 2006-04-11 Roger Sayle <roger@eyesopen.com>
11145 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
11147 2006-04-11 Richard Sandiford <richard@codesourcery.com>
11149 PR rtl-optimization/27073
11150 * gcse.c (try_replace_reg): Revert last change. Continue to search
11151 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
11154 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
11156 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
11157 aggregate types other than record and union types.
11158 (function_arg): Likewise.
11159 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
11161 (function_value): In 64-bit mode, return objects that require it
11164 2006-04-11 Roger Sayle <roger@eyesopen.com>
11166 * dwarf2out.c (premark_used_types): Remove problematic prototype.
11168 2006-04-11 Jakub Jelinek <jakub@redhat.com>
11170 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
11172 2006-04-03 Jeff Law <law@redhat.com>
11175 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11176 alias information too.
11178 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11180 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11182 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11185 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11186 (premark_used_types_helper): New.
11187 (premark_used_types): New.
11188 (gen_subprogram_die): Call premark_used_types.
11189 (prune_unused_types_walk): Do not prune perennial dies.
11190 * function.c (used_types_insert): New.
11191 * function.h (struct function): Add used_types_hash field.
11192 (used_types_insert): Add prototype.
11193 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11194 * c-parser.c (c_parser_cast_expression): Save casted types in used
11197 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11200 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11201 rs6000_explicit_options.float_gprs.
11203 2006-04-10 Roger Sayle <roger@eyesopen.com>
11205 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11206 from ix86_expand_vector_init_low_nonzero. Take an additional
11207 one_var argument indicating which element is non-zero. Support
11208 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11209 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11210 with one_var instead of ix86_expand_vector_init_low_nonzero.
11212 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11214 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11215 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11216 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11217 build/genextract.o): Depend on vecprim.h.
11218 * cfglayout.c, df-problems.c, function.c, genextract.c,
11219 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11220 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11224 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11226 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11227 Declare VECs of this type.
11228 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11229 (remove_children): Delete.
11230 (add_dwarf_attr): Use VEC routines.
11231 (add_AT_flag): Update for changes to add_dwarf_attr.
11232 (add_AT_int): Likewise.
11233 (add_AT_unsigned): Likewise.
11234 (add_AT_long_long): Likewise.
11235 (add_AT_vec): Likewise.
11236 (add_AT_string): Likewise.
11237 (add_AT_die_ref): Likewise.
11238 (add_AT_fde_ref): Likewise.
11239 (add_AT_loc): Likewise.
11240 (add_AT_loc_list): Likewise.
11241 (add_AT_addr): Likewise.
11242 (add_AT_lbl_id): Likewise.
11243 (add_AT_lineptr): Likewise.
11244 (add_AT_macptr): Likewise.
11245 (add_AT_offset): Likewise.
11246 (add_AT_range_list): Likewise.
11247 (get_AT): Use VEC_iterate.
11248 (remove_AT): Use VEC_ordered_remove.
11249 (free_die): Fold remove_children into here; have it use VEC_iterate.
11250 (print_die): Use VEC_iterate on attrs.
11251 (reverse_die_lists): Don't reverse attr lists.
11252 (die_checksum): Use VEC_iterate on attrs.
11253 (same_die_p): Likewise.
11254 (output_location_lists): Likewise.
11255 (build_abbrev_table): Likewise.
11256 (size_of_die): Likewise.
11257 (unmark_all_dies): Likewise.
11258 (output_abbrev_section): Likewise.
11259 (output_die): Likewise.
11260 (prune_unused_types_walk_attribs): Likewise.
11262 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11264 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11266 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11269 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11271 2006-04-09 Roger Sayle <roger@eyesopen.com>
11273 * expr.c (store_constructor): Don't bother clearing target if
11274 we're about to assign a vector to it using vec_init_optab.
11276 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11278 * tree-ssa-alias.c (lhs_may_store_to): New function.
11279 (recalculate_used_alone): Handle LHS of calls.
11281 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11285 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11286 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11287 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11288 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11289 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11290 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11291 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11292 stubs. Add ".align 8" directives before all ".dword" directives.
11293 (GTHREAD_USE_WEAK): Revise comment.
11294 (TARGET_ATTRIBUTE_WEAK): Define.
11295 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11296 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11297 * stublib.c: New file.
11302 * pa.md (cbranch patterns): Revise arguments used in calls to
11303 output_cbranch, output_bb and output_bvd. Add long branch length
11305 (fbranch patterns): Handle long branches.
11306 (jump): Revise length check. Revise arguments for output_lbranch call.
11307 Add long branch length attributes.
11308 (decrement_and_branch_until_zero): Add long branch length attributes.
11309 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11310 Likewise. Revise arguments for output_parallel_addb and
11311 output_parallel_movb calls.
11312 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11313 output_parallel_movb and output_parallel_addb): Update prototypes.
11314 * pa.c (output_cbranch): Revise arguments. Correct handling of
11315 nullification in long branches.
11316 (output_lbranch): Add new argument to control extraction of delay
11318 (output_bb): Handle long branches.
11319 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11320 output_parallel_addb): Likewise.
11322 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11324 PR rtl-optimization/27073
11325 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11328 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11330 * tree.h (tree_memory_tag): Add old_used_alone.
11331 (SMT_OLD_USED_ALONE): New macro.
11332 * tree-ssa-alias.c (recalculate_used_alone): Stop
11333 marking things for renaming unnecessarily.
11335 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11337 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11338 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11339 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11340 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11341 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11342 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11343 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11344 spelling convensions.
11345 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11346 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11347 typos. Follow spelling conventions.
11349 2006-04-07 DJ Delorie <dj@redhat.com>
11351 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11352 passed on the stack.
11353 (m32c_init_cumulative_args): When a function returns a structure,
11354 always pass the pointer to that return area on the stack.
11355 (m32c_function_arg_advance): Don't increment the parameter number
11356 if we're processing the returned structure pointer.
11357 (pushm_info): Reverse order of registers.
11359 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11361 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11362 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11363 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11364 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11365 build_int_cst_type.
11366 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11367 chrec_fold_multiply): Same.
11368 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11369 force_expr_to_var_cost): Same.
11370 * tree-mudflap.c (mf_xform_derefs_1): Same.
11371 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11373 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11375 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11376 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11379 2006-04-07 Jan Hubicka <jh@suse.cz>
11381 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11383 2006-04-07 Richard Guenther <rguenther@suse.de>
11385 PR tree-optimization/26135
11386 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11387 loads for store copy-prop.
11388 (copy_prop_visit_stmt): Likewise.
11390 2006-04-05 Robert Millan <robertmh@gnu.org>
11392 * config/i386/linux.h: Add a comment to mark macros that are
11393 being overriden in config/k*bsd-gnu.h.
11394 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11396 * config/knetbsd-gnu.h: Ditto.
11398 2006-04-06 Jan Hubicka <jh@suse.cz>
11402 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11405 2006-04-06 Mike Stump <mrs@apple.com>
11407 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11408 for HAVE_nonlocal_goto to be consistent.
11409 (expand_builtin_nonlocal_goto): Likewise.
11410 (expand_builtin_strcmp): Use #ifdef instead of #if
11411 for HAVE_cmpstrnsi to be consistent.
11413 2006-04-05 DJ Delorie <dj@redhat.com>
11415 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11418 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11420 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11421 got-relative addressing for anything but SImode.
11423 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11424 even if the calling function doesn't modify them.
11426 2006-04-05 Richard Guenther <rguenther@suse.de>
11428 PR tree-optimization/26919
11429 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11430 to cgraph_estimate_size_after_inlining.
11432 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11434 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11436 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11438 PR tree-optimization/26996
11439 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11440 VECTOR_TYPE variables.
11442 2006-04-05 Richard Guenther <rguenther@suse.de>
11444 PR tree-optimization/26763
11445 * fold-const.c (fold_comparison): Move folding of
11446 PTR + CST CMP PTR + CST ...
11447 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11449 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11451 * doc/install.texi (Prerequisites): Refine some wording on
11452 bootstrapping and ksh.
11453 Move the version numbers of DejaGnu here from the testing section
11454 and fix casing of names.
11455 Fix markup and clarify wording for autogen requirements.
11456 Refer to GCJ instead of just java.
11457 Refer to SVN instead of CVS.
11458 Describe diffutils as useful instead of necessary.
11459 (Downloading the source): Refer to SVN instead of CVS.
11460 Adjust a link to our web site accordingly.
11461 (Configuration): Fix casing of Bison.
11462 (Building): Refer to SVN instead of CVS.
11463 Fix a sentence on the use of Bison and remove duplicate (and
11464 incorrect) version number of Bison requirement.
11465 Remove one redundant list of packages needed for building.
11466 (Specific): Avoid reference to CVS.
11468 2006-04-04 Eric Christopher <echristo@apple.com>
11470 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11471 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11472 (rs6000_handle_struct_attribute): New.
11473 (rs6000_ms_bitfield_layout_p): Ditto.
11475 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11477 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11478 NULL for dso parameter to atexit_common.
11480 2006-04-04 Eric Christopher <echristo@apple.com>
11482 * config/i386/i386.c (machopic_output_stub): Output \t
11483 between instructions and operands.
11485 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11487 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11488 satisfies_constraint_[IL] to explicit tests on value.
11490 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11492 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11493 set_nb_iterations_in_loop): Use build_int_cst instead of
11494 build_int_cst_type.
11495 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11496 build_int_cst instead of convert.
11498 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11500 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11501 new value 2 for incoming.
11502 * function.c (expand_function_start): Call struct_value_rtx
11503 with incoming as 2.
11504 * config/sparc/sparc.md: Comment updated_return.
11505 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11506 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11507 struct return if sparc_std_struct_return and incoming is 2.
11508 (print_operand): Do not adjust return if
11509 sparc_std_struct_return.
11511 2006-04-04 Roger Sayle <roger@eyesopen.com>
11513 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11514 convert in the middle-end.
11515 * expr.c (store_expr, store_constructor, get_inner_reference,
11516 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11518 * tree.c (build_range_type): Likewise.
11520 2006-04-04 Tom Tromey <tromey@redhat.com>
11522 * doc/install.texi (Prerequisites): Mention jar.
11524 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11526 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11529 2006-04-04 Matthias Klose <doko@debian.org>
11531 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11535 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11538 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11540 * doc/extend.texi (Function Attributes): Rewrite visibility
11541 attribute documentation.
11542 * doc/invoke.texi (C++ Dialect Options): Rewrite
11543 -fvisibility-inlines-hidden documentation to describe something
11544 entirely different, although in practise compatible.
11545 (Code Gen Options): Warn about system headers in -fvisibility=
11548 * doc/extend.texi (Other Builtins): Document that
11549 __builtin_nan is a compile-time constant only when its argument
11552 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11554 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11555 trying to remove TRUNCATE check if all bits outside the new mode
11556 are identical to the sign bit.
11558 2006-04-03 Jeff Law <law@redhat.com>
11560 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11561 and operand scanning in some common cases.
11563 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11564 Dale Johannesen <dalej@apple.com>
11567 * regclass.c (struct reg_pref): Update documentation.
11568 (regclass): Set prefclass to NO_REGS if memory is the best option.
11569 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11570 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11571 into account. For non-registers, equate an empty preferred
11572 reload class to a `!' in the constraint; move the if clause to
11573 do so after those that reject the insn.
11574 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11576 (find_dummy_reload): Likewise.
11577 * doc/tm.texi (Register Classes): Document what it means
11578 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11579 * config/i386/i386.c (ix86_preferred_reload_class): Force
11580 using SSE registers (and return NO_REGS for floating-point
11581 constants) if math is done with SSE.
11582 (ix86_preferred_output_reload_class): New.
11583 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11584 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11585 * config/i386/i386.md: Remove # register preferences.
11587 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11590 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11591 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11592 the type of nb_iter.
11593 (instantiate_parameters_1): Convert the operands before calling
11594 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11595 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11597 2006-04-02 Roger Sayle <roger@eyesopen.com>
11599 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11600 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11601 instead of convert.
11602 * dojump.c (do_jump): Likewise.
11603 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11604 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11605 gimplify_boolean_expr): Likewise.
11606 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11607 * varasm.c (array_size_for_constructor): Likewise.
11608 * tree-object-size.c (compute_object_offset): Likewise.
11610 2006-04-02 Roger Sayle <roger@eyesopen.com>
11612 PR middle-end/26977
11613 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11614 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11616 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11618 PR tree-optimization/26939
11619 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11621 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11623 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11624 at_stmt. Convert the type of operands before calling
11625 build_polynomial_chrec.
11626 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11627 add_to_evolution_1.
11628 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11629 (instantiate_parameters_1): Convert the type of operands before calling
11630 build_polynomial_chrec.
11631 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11632 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11633 reset_evolution_in_loop): Insert asserts to check the types of the
11635 (chrec_type): Moved...
11636 (eq_evolutions_p): Use operand_equal_p.
11637 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11638 the types of the operands.
11639 (chrec_type): ...here.
11640 * tree-data-ref.c (create_data_ref): Convert the operands before
11641 calling chrec_replace_initial_condition.
11642 (same_access_functions, analyze_subscript_affine_affine,
11643 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11644 (compute_subscript_distance, analyze_ziv_subscript,
11645 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11646 analyze_miv_subscript): Convert the operands before calling
11647 chrec_fold_minus or chrec_fold_plus.
11649 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11651 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11652 the dependence_relations vector.
11653 (compute_data_dependences_for_loop): Adjust call to
11654 compute_all_dependences.
11656 2006-04-01 Roger Sayle <roger@eyesopen.com>
11657 Richard Henderson <rth@redhat.com>
11659 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11660 gimple_boolify on the condition before calling gimplify_expr.
11662 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11664 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11665 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11666 the frame size. Update to use the new macros.
11667 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11668 * config/xtensa/ieee754-df.S: Likewise.
11670 2006-03-31 Richard Henderson <rth@redhat.com>
11672 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11673 (make_edges): ... here. Control fallthru creation with a local
11674 variable. Do not play with fake edges.
11675 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11676 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11679 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11681 * dwarf2.h (DW64_CIE_ID): Define.
11682 * dwarf2out.c (DWARF_CIE_ID): Define.
11683 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11684 length header. Use DWARF_CIE_ID.
11685 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11686 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11688 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11690 * config/sh/linux-atomic.asm: New file.
11691 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11693 2006-03-31 DJ Delorie <dj@redhat.com>
11695 * config/m32c/cond.md: Set condition flags properly throughout.
11696 * config/m32c/minmax.md: Likewise.
11697 * config/m32c/prologue.md: Likewise.
11698 * config/m32c/bitops.md: Likewise.
11699 * config/m32c/muldiv.md: Likewise.
11700 * config/m32c/mov.md: Likewise.
11701 * config/m32c/addsub.md: Likewise.
11702 * config/m32c/m32c.md: Likewise.
11703 * config/m32c/jump.md: Likewise.
11704 * config/m32c/shift.md: Likewise.
11706 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11707 conditionally output the pattern for this.
11708 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11709 (m32c_compare_redundant): New.
11710 (m32c_output_compare): New.
11711 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11713 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11714 dest, not src. Allow other 4-byte modes.
11716 2006-03-30 Denis Chertykov <denisc@overta.ru>
11718 * doc/md.texi: Refer to avr/constraints.md instead of
11721 2006-03-30 Roger Sayle <roger@eyesopen.com>
11723 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11724 signed vs. unsigned comparison failures on some hosts.
11726 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11729 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11730 change to FLOAT_REGS.
11732 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11733 (rs6000_override_options): Use it.
11734 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11735 only for -mabi=spe/no-spe and -mabi=altivec.
11737 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11739 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11742 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11744 * Makefile.in: Rename docdir to gcc_docdir.
11746 2006-03-30 Roger Sayle <roger@eyesopen.com>
11749 * expr.c (emit_group_store): Optimize group stores into a pseudo
11750 register by using a paradoxical subreg to initialize the destination
11751 if the first or last member of the group specifies a "low part".
11753 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11756 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11757 * target.h (struct gcc_target.speculate_insn): Change type of the
11758 second parameter to 'int'.
11759 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11760 the second operand of the DEPS_LIST.
11761 (copy_DEPS_LIST_list): Update reference to the second operand of the
11763 * rtl.h (alloc_DEPS_LIST): Update signature.
11764 * sched-int.h (ds_t): Change typedef to 'int'.
11765 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11767 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11769 * haifa-sched.c (try_ready): Change condition to restore
11770 non-speculative pattern of the instruction.
11771 (process_insn_depend_be_in_spec): Code to keep probability of the
11772 speculative dependence non-decreasing.
11774 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11776 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11777 (single_move_for_movmem): ... this. Also change all uses.
11778 (bfin_expand_strmov): Renamed to...
11779 (bfin_expand_movmem): ... this. Also change all uses.
11780 * config/bfin/bfin.md (movstrsi): Renamed to...
11781 (movstrsi): ...this.
11783 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11785 PR tree-optimization/26830
11787 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11788 (copy_prop_visit_stmt): Remove write-only variable ann.
11789 (init_copy_prop): Check variable loop depth here. Do not simulate
11790 memory-tag and virtual operand PHIs except for store copy prop.
11792 2006-03-30 Richard Guenther <rguenther@suse.de>
11794 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11795 variants with double arguments.
11797 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11799 * genpreds.c (write_tm_constrs_h): Delete variable p.
11800 * genconditions.c (write_header): Add tm-constrs.h to included
11802 * genpeep.c (main): Add toplev.h to included headers.
11803 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11804 (build/genpeep.o): Add toplev.h dependency.
11805 * config/rs6000/constraints.md: Add "W" constraint.
11807 2006-03-29 Roger Sayle <roger@eyesopen.com>
11809 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11810 sizes by correctly testing whether the size fits a host integer.
11811 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11812 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11813 SImode range for the default sizetype and bitsizetype.
11815 2006-03-29 Roger Sayle <roger@eyesopen.com>
11817 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11818 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11819 quickly if the argument is already of the correct type.
11820 Call fold_build1 instead of build1. Tidy up blank lines.
11822 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11824 * genemit.c (main): Add tm-constrs.h to included headers.
11825 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11826 * genpeep.c (main): Add tm-constrs.h to included headers.
11827 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11828 (write_tm_constrs_h): this and write complete file.
11829 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11830 (write_insn_preds_c): Add tm-constrs.h to included headers.
11831 (gen_constrs): New variable.
11832 (parse_option): Parse "-c".
11833 (main): Invoke write_tm_constrs_h.
11834 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11835 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11836 (object_out_file): Add tm-constrs.h dependency.
11837 (insn-emit.o): Same.
11838 (insn-output.o): Same.
11839 (insn-peep.o): Same.
11840 (insn-preds.o): Same.
11841 (insn-recog.o): Same.
11842 (tm-constsr.h): New target.
11843 (s-constrs-h): New target.
11845 * config/rs6000/constraints.md: New file.
11846 * config/rs6000/rs6000.c: Include tm-constrs.h.
11847 (num_insn_constant_wide): Convert to satisfies_constraint.
11848 (rs6000_rtx_costs): Convert to satisfies_constraint.
11849 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11850 (CONST_OK_FOR_LETTER_P): Delete.
11851 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11852 (EXTRA_CONSTRAINT): Delete.
11853 (EXTRA_MEMORY_CONSTRAINT): Delete.
11854 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11855 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11856 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11857 satisfies_constraint.
11859 * config/i386/i386.c: Include tm-constrs.h.
11861 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11863 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11864 * tree-data-ref.c (find_data_references_in_loop,
11865 compute_data_dependences_for_loop): Use pointers to VEC.
11866 (analyze_all_data_dependences): Adjust calls.
11867 * tree-data-ref.h (find_data_references_in_loop,
11868 compute_data_dependences_for_loop): Adjust declarations.
11869 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11870 compute_data_dependences_for_loop.
11872 2006-03-29 Paul Brook <paul@codesourcery.com>
11874 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11875 (movdf_vfp): Ditto.
11877 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11879 PR tree-optimization/26859
11880 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11882 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11883 for the step after fold_convert.
11885 2006-03-29 Paul Brook <paul@codesourcery.com>
11887 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11888 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11890 2006-03-29 Paul Brook <paul@codesourcery.com>
11892 PR middle-end/23623
11893 * targhooks.c (default_narrow_bitfield): New fuction.
11894 * targhooks.h (default_narrow_bitfield): add prototype.
11895 * target.h (gcc_target): Add narrow_volatile_bitfield.
11896 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11897 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11898 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11899 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11901 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11903 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11905 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11906 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11907 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11908 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11909 (s390_function_arg_float): Allow SDmode and DDmode values to be
11910 passed in floating point registers.
11911 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11912 check with SCALAR_FLOAT_MODE_P.
11913 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11915 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11917 PR tree-optimization/25985
11918 * tree-ssa-loop-niter.c (number_of_iterations_le,
11919 number_of_iterations_ne): Make comments more precise.
11920 (number_of_iterations_cond): Add only_exit argument. Use the
11921 fact that signed variables do not overflow only when only_exit
11923 (loop_only_exit_p): New.
11924 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11925 number_of_iterations_cond.
11927 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11929 PR tree-optimization/26643
11930 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11933 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11935 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11936 (divsi3_i4_int): Likewise.
11938 2006-03-28 Roger Sayle <roger@eyesopen.com>
11940 * expr.c (emit_group_store): Only create a new pseudo reg if the
11941 quantity it needs to hold isn't already a suitable pseudo.
11943 2006-03-28 Jeff Law <law@redhat.com>
11945 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11946 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11948 2006-03-28 Roger Sayle <roger@eyesopen.com>
11950 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11951 the equivalent ~X & Y, and the symmetry related transformations.
11952 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11953 ~X & Y, and symmetry related transforms.
11955 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11957 Revert my 2006-03-27 patches.
11959 2006-03-28 Roger Sayle <roger@eyesopen.com>
11961 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11962 ~(T1)X, when T1 and T2 are integer types of the same precision
11963 and (T2)X isn't an extension.
11965 2006-03-28 Jeff Law <law@redhat.com>
11967 PR tree-optimization/26796
11968 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11969 need EH edge cleanups rather than purging them immediately.
11970 (eliminate_degenerate_phis): Handle queued EH cleanups.
11972 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11974 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11977 2006-03-27 Roger Sayle <roger@eyesopen.com>
11979 PR middle-end/22524
11980 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11981 cast BIT_NOT_EXPR operand to the correct type.
11983 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11985 * tree-loop-linear.c: Don't include varray.h.
11986 (gather_interchange_stats, try_interchange_loops,
11987 linear_transform_loops): Use VEC instead of VARRAY.
11988 * lambda-mat.c: Don't include varray.h.
11989 * tree-chrec.c: Same.
11990 * lambda-trans.c: Same.
11991 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11992 VEC instead of VARRAY.
11993 * tree-vectorizer.h: Idem.
11994 * tree-data-ref.c (dump_data_references,
11995 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11996 initialize_data_dependence_relation, finalize_ddr_dependent,
11997 compute_all_dependences, find_data_references_in_loop,
11998 compute_data_dependences_for_loop, analyze_all_data_dependences,
11999 free_dependence_relation, free_dependence_relations,
12000 free_data_refs): Idem.
12001 * tree-data-ref.h (data_reference_p, subscript_p): New.
12002 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
12003 VEC instead of VARRAY.
12004 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
12005 (find_data_references_in_loop, compute_data_dependences_for_loop,
12006 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
12007 dump_data_dependence_relations, free_dependence_relations,
12008 free_data_refs): Adjust declaration.
12009 (lambda_transform_legal_p): Move declaration here...
12010 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
12011 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
12012 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
12013 vect_analyze_data_refs): Use VEC instead of VARRAY.
12014 * lambda.h (lambda_transform_legal_p): ...from here.
12015 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
12016 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
12017 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
12018 tree-chrec.o): Don't depend on VARRAY_H.
12020 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12022 * rtl.def (Copyright): Update date.
12023 (DEPS_LIST): Change type of the second operand to 'int'.
12024 * target.h (Copyright): Update date.
12025 (struct gcc_target.speculate_insn): Change type of the second parameter
12027 * lists.c (Copyright): Update date.
12028 (alloc_DEPS_LIST): Change signature. Update reference to the second
12029 operand of the DEPS_LIST.
12030 (copy_DEPS_LIST_list): Update reference to the second operand of the
12032 * rtl.h (Copyright): Update date.
12033 (alloc_DEPS_LIST): Update signature.
12034 * sched-int.h (Copyright): Update date.
12035 (ds_t): Change typedef to 'int'.
12036 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12038 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12040 * haifa-sched.c (Copyright): Update date.
12041 (try_ready): Change condition to restore non-speculative pattern
12042 of the instruction.
12043 (process_insn_depend_be_in_spec): Code to keep probability of the
12044 speculative dependence non-decreasing.
12046 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
12048 * regrename.c (replace_oldest_value_addr): Initialize a variable to
12049 shut up the compiler.
12051 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
12053 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
12054 to use lib prefix for target.
12055 ($(T)libic_invalidate_array_4-200.a): Likewise.
12056 ($(T)libic_invalidate_array_4a.a): Likewise.
12058 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
12059 J"orn Rennecke <joern.rennecke@st.com>
12061 * superh.opt: New file.
12062 * sh.c (boardtype, osruntime): Remove.
12063 * superh.h (SUBTARGET_OPTIONS): Remove.
12064 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
12066 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
12067 arguments with ^ and/or [].
12069 * config.gcc (sh-*-*): Add quoting to account for quirk of
12071 Replace == with = in enable_incomplete_targets test.
12073 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
12074 with MASK_LITTLE_ENDIAN.
12076 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
12077 * config/sh/sh.opt: Added to some comments.
12078 * config/sh/superh.h: Removed some chaff.
12080 * config/sh/sh.opt: Add m4-[1234]00* options.
12081 * config/sh/sh.c (sh_handle_option): Likewise.
12082 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
12083 (ic_invalidate_array_4-100.o): New rule.
12084 ($(T)libic_invalidate_array_4-100.a): Likewise.
12085 (ic_invalidate_array_4-200.o): Likewise.
12086 ($(T)libic_invalidate_array_4-200.a): Likewise.
12087 (ic_invalidate_array_4a.o): Likewise.
12088 ($(T)libic_invalidate_array_4a.a): Likewise.
12089 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
12090 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
12092 * config/sh/crt1.asm: Merged in profiling code.
12093 * config/sh/superh.h (STARTFILE_SPEC): Override.
12094 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
12095 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
12096 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
12098 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
12099 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
12100 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
12102 * sh.opt (mpretend-cmove): New option.
12103 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
12104 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
12105 (movsicc): Add TARGET_PRETEND_CMOVE code.
12107 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
12109 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
12110 s390_class_max_nregs): New function prototypes.
12111 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
12112 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
12113 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
12114 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
12116 2006-03-26 Geoffrey Keating <geoffk@apple.com>
12118 * dwarf2out.c (add_location_or_const_value_attribute): Call
12119 tree_add_const_value_attribute if nothing else works.
12120 (reference_to_unused): New.
12121 (rtl_for_decl_init): Use reference_to_unused to decide whether
12122 to output an initializer.
12124 2006-03-27 Alan Modra <amodra@bigpond.net.au>
12127 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
12128 peephole removing spe frob_di_df_2.
12130 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
12132 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
12133 (subscript_dependence_tester_1): Declared.
12134 (print_dir_vectors, print_dist_vectors): New.
12135 (debug_data_dependence_relation): New.
12136 (dump_data_dependence_relation): Print more details.
12137 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
12138 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
12139 (save_dist_v, save_dir_v, add_outer_distances,
12140 build_classic_dist_vector_1): New.
12141 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
12142 Don't test for lambda_vector_lexico_pos.
12143 (same_access_functions, add_multivariate_self_dist,
12144 add_other_self_distances, dir_from_dist): New.
12145 (build_classic_dir_vector): Replace implementation almost identical to
12146 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
12148 (subscript_dependence_tester_1): New.
12149 (subscript_dependence_tester): Handle the lexicographically negative
12150 distance vectors by recomputing the dependence relation.
12151 (compute_affine_dependence): Remove parameter loop_nest_depth.
12152 (compute_self_dependence): Don't call compute_subscript_distance.
12153 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
12154 Add a parameter for the loop_nest.
12155 (find_loop_nest_1, find_loop_nest): New.
12156 (compute_data_dependences_for_loop): Compute the loop nest, and give
12157 up if the nest is not well formed.
12158 * tree-data-ref.h (loop_p): New.
12159 (struct data_dependence_relation): Replace size_vect field with
12160 loop_nest, a vec of loops.
12161 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
12162 (DDR_LOOP_NEST): New.
12163 (print_dir_vectors, print_dist_vectors,
12164 debug_data_dependence_relation): Declared.
12165 (index_in_loop_nest): New.
12166 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
12167 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
12170 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
12172 * simplify-rtx.c (simplify_relational_operation): Call
12173 simplify_relational_operation_1 even if mode is VOIDmode.
12175 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12177 PR tree-optimization/26804
12178 * tree.h (DECL_CALL_CLOBBERED): New macro.
12179 (tree_decl_common): Add call_clobbered_flag.
12180 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12181 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12182 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12183 (mark_non_addressable): Ditto.
12184 * tree-ssa.c (verify_call_clobbered): New function.
12185 (verify_alias_info): Use it.
12186 * tree-pass.h (pass_reset_cc_flags): New prototype.
12187 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12188 (reset_cc_flags): New function.
12189 * passes.c (init_optimization_passes): Call reset_cc_flags after
12190 initializing referenced_vars.
12192 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12193 Roger Sayle <roger@eyesopen.com>
12195 PR middle-end/26717
12196 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12197 to 1.0 for non-real operands. Implement A / A optimization for
12200 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12202 * config/i386/i386.c (size_cost): Correct the comment for
12203 cost of storing fp registers.
12204 (i386_cost): Likewise.
12205 (i486_cost): Likewise.
12206 (pentium_cost): Likewise.
12207 (pentiumpro_cost): Likewise.
12208 (k6_cost): Likewise.
12209 (athlon_cost): Likewise.
12210 (k8_cost): Likewise.
12211 (pentium4_cost): Likewise.
12212 (nocona_cost): Likewise.
12213 (generic64_cost): Likewise.
12214 (generic32_cost): Likewise.
12216 2006-03-24 Denis Chertykov <denisc@overta.ru>
12218 * config/avr/avr-protos.h (extra_constraint): Delete.
12219 (extra_constraint_Q): New declaration.
12220 * config/avr/constraints.md: New file.
12221 * config/avr/avr.md: Include it.
12222 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12223 (TMP_REGNO, ZERO_REGNO): Likewise.
12224 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12225 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12226 (extra_constraint): Delete.
12227 (extra_constraint_Q): Test for memory constraint 'Q'.
12228 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12229 (REG_CLASS_FROM_LETTER): Delete.
12230 (CONST_OK_FOR_LETTER_P): Delete.
12231 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12232 (EXTRA_CONSTRAINT): Delete.
12233 (TMP_REGNO): Delete.
12234 (ZERO_REGNO): Delete.
12236 2006-03-24 Jeff Law <law@redhat.com>
12238 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12239 directly. Call mark_new_vars_to_rename slightly earlier.
12241 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12243 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12244 (is_cxx): Likewise.
12245 (gen_compile_unit_die): Use new language types for Objective-C and
12247 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12248 DW_LANG_C_plus_plus.
12251 * config/t-darwin (crt3.o): Work around bug 26840.
12252 * config/darwin-crt3.c: Rewrite.
12253 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12255 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12257 * doc/invoke.texi: Document -femit-class-debug-always
12258 * common.opt: Add -femit-class-debug-always.
12260 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12262 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12263 index and base register.
12264 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12265 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12266 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12267 REGNO_OK_FOR_INDEX_P.
12268 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12270 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12271 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12272 REG_OK_FOR_BASE_P): Definitions removed.
12274 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12276 PR middle-end/26611
12277 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12278 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12279 set yet or weren't marked as local yet.
12281 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12283 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12286 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12288 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12289 (rs6000_legitimate_small_data_p): Delete.
12290 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12291 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12292 and make static. Add forward declaration. Update uses.
12293 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12294 of offsettable_memref_p.
12295 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12296 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12298 2006-03-24 Jeff Law <law@redhat.com>
12300 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12301 around bug in immediate-use iterator.
12303 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12306 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12307 or __LITTLE_ENDIAN__.
12309 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12311 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12312 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12313 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12314 * config/sh/sh.opt (mdiv=): Amend description.
12315 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12316 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12317 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12318 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12319 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12320 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12321 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12322 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12323 TARGET_DIVIDE_CALL_FP.
12325 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12327 * haifa-sched.c (choose_ready): Fix type of the local variable.
12328 Move local variables. Add comment.
12329 (check_reg_live): Change signature. Make callable from debugger.
12330 * sched-int.h (check_reg_live): Update signature.
12331 * sched-ebb.c (check_reg_live): Update parameters.
12332 * sched-rgn.c (check_reg_live): Ditto.
12333 (region_head_or_leaf_p): Check pointer before dereferencing.
12334 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12335 before reload on optimization levels below 1.
12337 2006-03-23 Richard Henderson <rth@redhat.com>
12339 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12343 * config/alpha/predicates.md (local_symbolic_operand): Reject
12346 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12349 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12350 expressions which have overflowed constants.
12352 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12354 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12356 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12358 * cfgloopmanip.c (create_loop_notes): Removed.
12359 * final.c (final_scan_insn): Do not handle loop notes.
12360 * jump.c (squeeze_notes): Ditto.
12361 * cfglayout.c (skip_insns_after_block,
12362 duplicate_insn_chain): Ditto.
12363 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12365 * cfgloop.h (create_loop_notes): Declaration removed.
12367 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12369 * varasm.c (output_constant_pool): Restore fnname and fndecl
12371 (assemble_start_function): Adjust call accordingly.
12372 (assemble_end_function): Likewise.
12374 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12377 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12380 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12382 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12385 * system.h (ICE_EXIT_CODE): New macro.
12386 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12387 (diagnostic_action_after_output): Likewise.
12388 * gcc.c (fatal_ice): New function.
12389 (execute): Use it instead of fatal.
12390 (fancy_abort): Likewise.
12391 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12393 2006-03-22 Jeff Law <law@redhat.com>
12395 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12396 iv_analyze_result returning false.
12398 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12400 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12402 2006-03-22 Richard Henderson <rth@redhat.com>
12404 PR middle-end/26084
12405 * except.c (duplicate_eh_regions_0): New.
12406 (duplicate_eh_region_1): Duplicate the children of the node as
12407 well as the node itself. Link them up properly.
12408 (duplicate_eh_region_2): Merge into ...
12409 (duplicate_eh_regions): ... here. Take copy_region argument, and
12410 copy only a sub-tree if asked. Simplify copying and fixup.
12411 (eh_region_outer_p): New.
12412 * except.h (duplicate_eh_regions): Update decl.
12413 (eh_region_outer_p): Declare.
12414 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12415 (lower_omp_master): Likewise.
12416 (lower_omp_ordered): Likewise.
12417 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12418 (move_stmt_r): Use it to remap labels. Handle recursion vs
12419 remap_decls_p properly.
12420 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12421 (find_outermost_region_in_block): New.
12422 (new_label_mapper): New.
12423 (move_sese_region_to_fn): Copy eh information to the new function
12425 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12427 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12430 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12432 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12433 into shared libraries.
12435 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12437 * doc/md.texi: Refer to i386/constraints.md instead of
12438 i386/predicates.md.
12439 * config/i386/constraints.md: New file, extracted from...
12440 * config/i386/predicates.md: ...here.
12441 * config/i386/i386.md: Include constraints.md.
12443 2006-03-21 Jason Merrill <jason@redhat.com>
12445 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12447 PR middle-end/20297
12448 * expr.c (init_block_move_fn): Force default visibility.
12449 (init_block_clear_fn): Likewise.
12450 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12451 * targhooks.c (default_external_stack_protect_fail): Likewise.
12453 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12455 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12456 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12457 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12458 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12459 (loadgp): Use mips_current_loadgp_style.
12460 (loadgp_noshared): New pattern.
12461 (sibcall_internal): Use MIPS_CALL.
12462 (sibcall_value_internal): Likewise.
12463 (sibcall_value_multiple_internal): Likewise.
12464 (call_internal): Likewise.
12465 (call_value_internal): Likewise.
12466 (call_value_multiple_internal): Likewise.
12467 (call_split): Use MIPS_CALL and add an 'S' constraint.
12468 (call_value_split): Likewise.
12469 (call_value_multiple_split): Likewise.
12470 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12471 (-mshared): New option.
12472 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12473 (mips_current_loadgp_style): Declare.
12474 * config/mips/mips.c (mips_classify_symbol): Avoid using
12475 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12476 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12477 TARGET_ABSOLUTE_ABICALLS.
12478 (override_options): Adjust comments. Improve the warning that is
12479 issued when -mabicalls and -G are used together.
12480 (mips_file_start): Remove comment.
12481 (mips_current_loadgp_style): New function.
12482 (mips_gnu_local_gp): New variable.
12483 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12485 (mips_output_function_prologue): Use mips_current_laodgp_style.
12486 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12487 the cprestore instruction.
12488 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12489 live for TARGET_ABSOLUTE_ABICALLS.
12490 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12491 (ASM_SPEC): Pass down -mshared and -mno-shared.
12492 (MIPS_CALL): New macro.
12493 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12495 * doc/invoke.texi (-mabicalls): Update documentation.
12496 (-mshared): Document.
12498 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12500 * config/ia64/unwind-hpux.c: New file.
12501 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12503 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12506 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12508 2006-03-21 Jeff Law <law@redhat.com>
12510 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12511 type conversions of a VR_VARYING source to a wider type.
12513 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12515 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12516 tm_file on Solaris 10 and later.
12517 (sparc64-*-solaris2*): Likewise.
12518 (sparc-*-solaris2*): Likewise.
12519 * config/sol26.h: Rename to config/sol2-6.h.
12520 * config/sol2-10.h: New file.
12522 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12525 * tree-ssa-pre.c (create_component_ref_by_pieces):
12528 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12531 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12532 return it immediately.
12534 2006-03-21 Michael Matz <matz@suse.de>
12536 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12538 (remove_arc, add_arc): Update num_out_arcs member.
12539 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12541 (cache_presence): New function.
12542 (compare_states_for_equiv): New function.
12543 (state_is_differed): Don't take number of outargs, adjust callers.
12544 Use new invariant for speeding up.
12545 (init_equiv_class): Create initial classes based on sorted
12547 (partition_equiv_class): Don't track out_arcs_num.
12548 (evaluate_equiv_classes): Call cache_presence on all states and
12551 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12553 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12554 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12555 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12556 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12558 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12559 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12560 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12561 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12562 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12564 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12565 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12566 (REGNO_REG_CLASS): ARGP is in PREGS.
12567 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12569 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12570 to deal with those addresses.
12571 * addresses.h: New file.
12572 * caller-save.c: Include "addresses.h".
12573 (init_caller_save): Use new base_reg_class function.
12574 * rtl-factoring.c: Include "addresses.h".
12575 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12576 * recog.c: Include "addresses.h".
12577 (preprocess_constraints): Use new base_reg_class function.
12578 * regrename.c: Include "addresses.h".
12579 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12580 functions. Keep track of a new var INDEX_CODE to compute valid
12582 (replace_oldest_value_addr): Likewise.
12583 (replace_oldest_value_mem): Use base_reg_class.
12584 * reload.c: Include "addresses.h".
12585 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12586 (find_reloads): Use new base_reg_class function.
12587 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12588 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12589 all callers and prototype changed.
12590 * reload1.c: Include "addresses.h".
12591 (maybe_fix_stack_asms): Use base_reg_class.
12592 * regclass.c: Include "addresses.h".
12593 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12594 (init_reg_autoinc): Use new base_reg_class function.
12595 (record_reg_classes): Likewise.
12596 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12597 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12598 Use new args to compute necessary class.
12600 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12601 regrename.o, rtl-factoring.o): Update dependencies.
12602 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12603 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12604 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12605 REG_OK_FOR_INDEX_P): Delete documentation.
12607 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12609 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12610 from V7 to V9 for Solaris 7 and above.
12612 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12614 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12615 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12616 argument pointers may not alias any other storage.
12617 * common.opt: Define option -fargument-noalias-anything.
12618 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12619 alias semantics is specified by flag_argument_noalias > 2.
12621 2006-03-20 Jeff Law <law@redhat.com>
12623 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12624 (pass_phi_only_cprop): Declare.
12625 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12626 with phi_only_cprop
12627 * tree-ssa-dom.c (degenerate_phi_result): New function.
12628 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12629 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12630 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12631 (eliminate_degenerate_phis): Likewise.
12632 (pass_phi_only_cprop): New pass descriptor.
12633 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12634 support code. Callers updated.
12635 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12636 (store_copy_prop): Likewise.
12637 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12639 2006-03-20 Jason Merrill <jason@redhat.com>
12642 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12643 (push_visibility, pop_visibility): Likewise.
12644 * c-pragma.h: Declare them.
12646 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12648 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12650 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12651 parameter and use get_ebb_head_tail.
12652 (sh_md_init_global): Adjust uses of find_regmode_weight.
12654 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12656 * function.h (struct function) <x_tail_recursion_reentry>:
12657 Rename to x_stack_check_probe_note.
12658 (tail_recursion_reentry): Rename to stack_check_probe_note.
12659 * function.c: Replace tail_recursion_reentry with
12660 stack_check_probe_note everywhere.
12661 (expand_function_start): Only emit a note for
12662 stack_check_probe_note with -fstack-protect.
12663 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12665 * emit-rtl.c (remove_unnecessary_notes): Remove.
12666 (pass_remove_unnecessary_notes): Remove.
12667 * rtl.h (remove_unnecessary_notes): Remove prototype.
12668 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12669 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12670 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12672 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12675 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12676 (valid_in_set): Handle ARRAY_REF.
12677 Change "if min_variant or VH" to asserts.
12678 (create_component_ref_by_pieces): Handle ARRAY_REF.
12679 (create_expression_by_pieces): Likewise.
12680 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12682 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12684 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12685 is operand of switch, not str[0].
12687 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12689 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12690 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12692 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12694 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12695 end of insn_extra_address_constraint declaration.
12697 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12699 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12700 (no-sum-in-toc): Same.
12701 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12703 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12704 NO_FP_IN_TOC for -fPIC instead of mask.
12706 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12707 (BOOT_LDFLAGS): Delete.
12709 * config/rs6000/t-aix52: Same.
12711 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12712 (stmsi[345678]_power): New.
12714 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12716 * config/ia64/ia64.opt: Add empty line to end of file.
12718 2006-03-17 Richard Guenther <rguenther@suse.de>
12720 PR middle-end/26721
12721 * builtins.c (get_pointer_alignment): For component style references
12722 adjust alignment to the component type alignment. Make sure
12723 to adjust alignment for component access of constants.
12725 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12727 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12728 unconditional jump.
12730 2006-03-17 Paul Brook <paul@codesourcery.com>
12732 * doc/install.texi: Docuemnt --with-mode.
12733 * config.gcc: Add --with-mode for arm*-*-*.
12734 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12736 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12738 * sh.c (max_labelno_before_reorg): New variable.
12739 (sh_reorg): Initialize it.
12740 (find_barrier): Check max_labelno_before_reorg before using
12741 label_to_alignment. Take length of explicit alignment insns
12742 into account. When seeing a UNSPECV_CONST_END, return it.
12744 * sh.c (fixup_mova): Set mode of affected label to QImode.
12745 (untangle_mova): New function.
12746 (find_barrier): Use it. Check mode of label before decrementing
12748 (sh_reorg): Likewise.
12749 Set mode of all insns back to VOIDmode.
12751 * sh.c (MOVA_LABELREF): New macro.
12752 (mova_p, fixup_mova, sh_reorg): Use it.
12753 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12754 ADDR_DIFF_VEC matches mova.
12756 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12758 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12759 with ATTRIBUTE_UNUSED.
12761 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12763 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12764 pointer, instead of assuming it is possible to derive the
12765 correct args size from a call insn.
12767 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12769 * rtl.h (CONST_INT_P): Define.
12770 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12771 instead of GET_CODE(x) == CONST_INT.
12772 (vax_rtx_costs): Likewise.
12773 (vax_output_int_move): Likewise.
12774 (vax_output_int_add): Likewise.
12775 (legitimate_constant_address_p): Likewise.
12776 (index_term_p): Likewise.
12777 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12778 * config/vax/vax.md (and<mode>3): Likewise.
12779 (ashrsi3): Likewise.
12781 (movstricthi): Likewise.
12782 (movstrictqi): Likewise.
12783 (rotrsi3): Likewise.
12784 (five unnamed insns): Likewise.
12786 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12788 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12789 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12790 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12791 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12792 Pass to ASM_OUTPUT_DWARF_OFFSET.
12793 * dwarf2out.c (debug_frame_section): New.
12794 (output_call_frame_info): Use debug_frame_section. Pass it to
12795 dw2_asm_output_offset.
12796 (output_die): Pass appropriate section to dw2_asm_output_offset.
12797 (output_compilation_unit_header): Likewise.
12798 (output_pubnames): Likewise.
12799 (output_aranges): Likewise.
12800 (enum dw_val_class): Break dw_val_class_lbl_offset into
12801 dw_val_class_lineptr and dw_val_class_macptr.
12802 (add_AT_lbl_offset): Delete.
12803 (add_AT_lineptr): New.
12804 (add_AT_macptr): New.
12805 (AT_lbl): Expect a lineptr or macptr.
12806 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12807 (attr_checksum): Likewise.
12808 (same_dw_val_p): Likewise.
12809 (size_of_die): Likewise.
12810 (value_format): Likewise.
12811 (output_die): Likewise.
12812 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12814 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12815 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12816 * config/darwin-protos.h (darwin_file_start): New.
12817 (darwin_asm_output_dwarf_offset): New.
12818 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12819 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12821 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12822 if not EH section; simplify.
12823 (darwin_file_start): New.
12824 (darwin_asm_output_dwarf_offset): New.
12825 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12827 (DEBUG_INFO_SECTION): Likewise.
12828 (DEBUG_ABBREV_SECTION): Likewise.
12829 (DEBUG_ARANGES_SECTION): Likewise.
12830 (DEBUG_MACINFO_SECTION): Likewise.
12831 (DEBUG_LINE_SECTION): Likewise.
12832 (DEBUG_LOC_SECTION): Likewise.
12833 (DEBUG_PUBNAMES_SECTION): Likewise.
12834 (DEBUG_STR_SECTION): Likewise.
12835 (DEBUG_RANGES_SECTION): Likewise.
12836 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12837 (ASM_OUTPUT_DWARF_OFFSET): New.
12839 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12841 * config.gcc (tm_defines): Always add to previous value rather
12844 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12846 * config/mips/predicates.md (splittable_const_int_operand): New,
12847 split from move_operand.
12848 (splittable_symbolic_operand): New.
12849 (move_operand): Add commentary. Use splittable_const_int_operand.
12850 Inline mips_atomic_symbolic_constant_p.
12851 * config/mips/mips.md: Add combine splitters for handling moves
12852 of splittable_const_int_operands and splittable_symbolic_operands.
12853 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12854 (mips_split_symbol): Declare.
12855 (mips_move_integer): Declare.
12856 * config/mips/mips.c (mips_split_p): Make global.
12857 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12858 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12859 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12860 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12861 (mips_offset_within_object_p): Handle block symbols.
12862 (mips_atomic_symbolic_constant_p): Delete.
12863 (mips_cannot_force_const_mem): Return false for constants that
12864 mips_legitimize_move can handle.
12865 (mips_use_blocks_for_constant_p): New function.
12866 (mips_split_symbol): Make global.
12867 (mips_move_integer): Likewise. Add a temporary register argument.
12868 (mips_legitimize_const_move): Use splittable_const_int_operand and
12869 splittable_symbolic_operand.
12870 (mips_use_anchors_for_symbol_p): New function.
12871 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12872 (mips_split_p): Declare.
12874 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12876 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12877 (mips*-*-linux*): Likewise.
12879 2006-03-16 Roger Sayle <roger@eyesopen.com>
12880 Daniel Speyer <dspeyer@wam.umd.edu>
12882 PR middle-end/18259
12883 * tree-dump.c (dump_real): New function.
12884 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12885 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12886 (tree-dump.o): Add $(REAL_H) to the dependencies.
12888 2006-03-16 Roger Sayle <roger@eyesopen.com>
12890 PR middle-end/21781
12891 * real.c (real_from_string): If the mantissa is zero, don't bother
12892 parsing the exponent as the result should always be zero.
12894 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12896 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12898 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12900 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12901 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12902 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12903 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12904 ia64_sched_finish_global): New static functions to implement
12905 hooks from gcc_target.sched.
12906 (spec_check_no, max_uid, pending_data_specs): New static variables.
12907 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12908 ia64_spec_check_src_p): New static functions.
12909 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12910 (TARGET_SCHED_ADJUST_COST): Removed.
12911 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12912 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12913 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12914 TARGET_SCHED_GEN_CHECK,
12915 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12916 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12917 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12918 Fixed to handle speculation checks.
12919 (rtx_needs_barrier): Fixed to handle speculative loads and
12921 (ia64_variable_issue): Added code to count speculative loads and their
12923 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12925 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12927 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12929 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12930 (ia64_reorg): Reset stops_p to NULL after it is freed.
12931 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12932 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12933 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12935 (data_speculative, control_speculative, check_load): New attributes.
12936 (mov<mode>_advanced, mov<mode>_speculative,
12937 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12938 zero_extend<mode>di2_speculative,
12939 zero_extend<mode>di2_speculative_advanced): New patterns for
12940 data and control speculative loads.
12941 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12943 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12944 New pattern for data and control speculation checks.
12945 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12946 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12947 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12948 Auxiliary definitions for the patterns.
12949 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12950 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12952 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12954 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12955 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12956 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12957 New resource constraints.
12958 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12960 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12961 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12962 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12963 msched-in-control-spec, msched-ldc, msched-control-ldc,
12964 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12965 msched-prefer-non-control-spec-insns,
12966 msched-count-spec-in-critical-path): New flags to tune speculative
12968 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12969 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12970 msched-in-control-spec, msched-ldc, msched-control-ldc,
12971 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12972 msched-prefer-non-control-spec-insns,
12973 msched-count-spec-in-critical-path): Document new flags.
12975 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12977 * target.h (struct spec_info_def): New opaque declaration.
12978 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12979 speculate_insn, needs_block_p, gen_check,
12980 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12981 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12982 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12983 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12984 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12985 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12987 (TARGET_SCHED): Use new macros.
12988 * rtl.h (copy_DEPS_LIST_list): New prototype.
12989 * sched-int.h (struct sched_info): Change signature of new_ready field,
12990 adjust all initializations. New fields: add_remove_insn,
12991 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12992 region_head_or_leaf_p.
12993 (struct spec_info_def): New structure declaration.
12994 (spec_info_t): New typedef.
12995 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12996 recovery_block, orig_pat.
12997 (glat_start, glat_end): New variables declaraions.
12998 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
13000 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
13001 DETACH_LIFE_INFO, USE_GLAT.
13002 (enum SPEC_SCHED_FLAGS): New enumeration.
13003 (NOTE_NOTE_BB_P): New macro.
13004 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
13005 attach_life_info, debug_spec_status, check_reg_live): New functions.
13006 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
13007 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
13009 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
13010 * ddg.c (get_block_head_tail): Adjust all uses.
13011 * modulo-sched.c (get_block_head_tail): Adjust all uses.
13012 (sms_sched_info): Initialize new fields.
13013 (contributes_to_priority): Removed.
13014 * haifa-sched.c (params.h): New include.
13015 (get_block_head_tail): Adjust all uses.
13016 (ISSUE_POINTS): New macro.
13017 (glat_start, glat_end): New global variables.
13018 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
13019 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
13020 old_last_basic_block, before_recovery, current_sched_info_var,
13021 rgn_n_insns, luid): New static variables.
13022 (insn_cost1): New function. Move logic from insn_cost to here.
13023 (find_insn_reg_weight1): New function. Move logic from
13024 find_insn_reg_weight to here.
13025 (reemit_notes, move_insn, max_issue): Change signature.
13026 (move_insn1): Removed.
13027 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
13028 extend_bb): New static functions to support extension of scheduler's
13030 (generate_recovery_code, process_insn_depend_be_in_spec,
13031 begin_speculative_block, add_to_speculative_block,
13032 init_before_recovery, create_recovery_block, create_check_block_twin,
13033 fix_recovery_deps): New static functions to support
13034 generation of recovery code.
13035 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
13036 restore_bb_notes, move_block_after_check, move_succs): New static
13037 functions to support ebb scheduling.
13038 (init_glat, init_glat1, attach_life_info1, free_glat): New static
13039 functions to support handling of register live information.
13040 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
13041 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
13042 add_jump_dependencies): New static functions.
13043 (check_cfg, has_edge_p, check_sched_flags): New static functions for
13044 consistancy checking.
13045 (debug_spec_status): New function to call from debugger.
13046 (priority): Added code to handle speculation checks.
13047 (rank_for_schedule): Added code to distinguish speculative instructions.
13048 (schedule_insn): Added code to handle speculation checks.
13049 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
13050 Fixed to handle ebbs.
13051 (move_insn): Added code to handle ebb scheduling.
13052 (max_issue): Added code to use ISSUE_POINTS of instructions.
13053 (choose_ready): Added code to choose between speculative and
13054 non-speculative instructions.
13055 (schedule_block): Added code to handle ebb scheduling and scheduling of
13056 speculative instructions.
13057 (sched_init): Initialize new variables.
13058 (sched_finish): Free new variables. Print statistics.
13059 (try_ready): Added code to handle speculative instructions.
13060 * lists.c (copy_DEPS_LIST_list): New function.
13061 * sched-deps.c (extend_dependency_caches): New function. Move logic
13062 from create_dependency_caches to here.
13063 (get_dep_weak, ds_merge): Make global.
13064 * genattr.c (main): Code to output prototype for
13065 dfa_clear_single_insn_cache.
13066 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
13067 (output_dfa_clean_insn_cache_func): Code to output
13068 dfa_clear_single_insn_cache function.
13069 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
13071 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
13073 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
13074 New static variables.
13075 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
13076 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
13078 (ebb_sched_info): Initialize new fields.
13079 (get_block_head_tail): Adjust all uses.
13080 (compute_jump_reg_dependencies): Fixed to use glat_start.
13081 (schedule_ebb): Code to remove unreachable last block.
13082 (schedule_ebbs): Added code to update register live information.
13083 * sched-rgn.c (region_sched_info): Initialize new fields.
13084 (get_block_head_tail): Adjust all uses.
13085 (last_was_jump): Removed. Adjust users.
13086 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
13087 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
13088 Implement new hooks.
13089 (check_dead_notes1): New static function.
13090 (struct region): New fields: dont_calc_deps, has_real_ebb.
13091 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
13092 (BB_TO_BLOCK): Fixed to handle EBBs.
13093 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
13094 (ebb_head): New static variable.
13095 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
13096 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
13098 (compute_dom_prob_ps): New assertion.
13099 (check_live_1, update_live_1): Fixed to work with glat_start instead of
13100 global_live_at_start.
13101 (init_ready_list): New assertions.
13102 (can_schedule_ready_p): Split update code to begin_schedule_ready.
13103 (new_ready): Add support for BEGIN_CONTROL speculation.
13104 (schedule_insns): Fixed code that updates register live information
13106 (schedule_region): Fixed to handle EBBs.
13107 (init_regions): Use extend_regions and check_dead_notes1.
13108 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
13109 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
13110 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
13111 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13112 TARGET_SCHED_GEN_CHECK,
13113 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13114 TARGET_SCHED_SET_SCHED_FLAGS): Document.
13115 * doc/invoke.texi (max-sched-insn-conflict-delay,
13116 sched-spec-prob-cutoff): Document.
13118 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13120 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
13121 inter_tick, queue_index.
13122 (struct sched_info): Change signature of init_ready_list field.
13123 Adjust all initializations.
13124 (RESOLVED_DEPS): New access macro.
13125 (ready_add): Remove prototype.
13126 (try_ready): Add prototype.
13127 * sched-rgn.c (init_ready_list): Use try_ready.
13128 (schedule_region): Initialize
13129 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
13130 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
13131 (init_ready_list): Use try_ready.
13132 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
13133 * lists.c (remove_list_elem): Remove `static'.
13134 (remove_free_INSN_LIST_elem): New function.
13135 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
13136 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
13137 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
13139 (readyp): New variable.
13140 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
13141 change_queue_index, resolve_dep): New static functions.
13142 (try_ready): New function. Adjust callers in sched-rgn.c and
13143 sched-ebb.c to use it instead of ready_add.
13144 (clock_var): Move at the begining of file.
13145 (rank_for_schedule): Fix typo.
13146 (queue_insn): Add assertion. Handle QUEUE_INDEX.
13147 (ready_lastpos): Enforce assertion.
13148 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
13149 update all callers.
13150 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
13151 (schedule_insn): Rewrite to use try_ready and resolve_dep.
13152 (queue_to_ready): Use free_INSN_LIST_list.
13153 (early_queue_to_ready): Fix typo.
13154 (schedule_block): Init readyp. Move init_ready_list call after the
13155 initialization of clock_var. Fix error in rejecting insn by
13156 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
13157 that previously corrected INSN_TICKs. Add code for handling
13159 (set_priorities): Fix typo.
13160 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
13161 Clarify comment and code that keeps current_sched_info->next_tail
13164 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13166 * sched-rgn.c (extend_rgns): New static function.
13167 (find_rgns): Use it.
13168 (gather_region_statistics, print_region_statistics): New static
13170 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
13171 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
13173 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13174 Andrey Belevantsev <abel@ispras.ru>
13176 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13177 * lists.c (unused_deps_list): New variable.
13178 (free_list): Add assertions to verify the proper distinguishing
13179 between INSN_LISTs and DEPS_LISTs.
13180 (find_list_elem, remove_list_elem, remove_list_node): New static
13182 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13183 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13184 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13185 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13187 (free_INSN_LIST_node): Likewise.
13188 * modulo-sched.c (current_sched_info): Initialize flags field.
13189 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13190 * rtl.def (DEPS_LIST): Define.
13191 * rtl.h: Declare new functions from lists.c.
13192 * sched-deps.c (spec_dependency_cache): New static variable.
13193 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13194 (add_dependence): Change return type to void. Move the logic to ...
13195 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13196 (delete_all_dependences): Add comment about forward_dependency_cache.
13197 Handle spec_dependency_cache. Handle DEPS_LISTs.
13198 (fixup_sched_groups): Clarify the change of priority of output
13199 and anti dependencies.
13200 (sched_analyze_2): Adjust add_dependence calls to create data
13201 speculative dependence.
13202 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13203 Adjust all callers. Handle DEPS_LISTS.
13204 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13205 presence of speculation.
13206 (init_dependency_caches, free_dependency_caches):
13207 Handle spec_dependency_cache.
13208 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13209 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13210 New static functions.
13211 (add_or_update_back_dep, add_or_update_back_forw_dep,
13212 add_back_forw_dep, delete_back_forw_dep): New functions.
13213 * sched-int.h (ds_t, dw_t): New typedefs.
13214 (struct sched_info): Add new field flags.
13215 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13216 Prototype new sched-deps.c functions.
13217 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13218 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13219 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13220 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13221 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13222 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13224 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13226 * sched-rgn.c (current_sched_info): Initialize flags field.
13227 (schedule_insns): Initialize current_sched_info before the sched_init
13229 * sched-ebb.c (current_sched_info): Initialize flags field.
13230 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13231 Call add_or_update_back_dep instead of add_dependence.
13232 Create control speculative dependencies.
13233 (schedule_insns): Initialize current_sched_info before the sched_init
13236 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13238 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13240 (sh_fallback_frame_state): Likewise.
13242 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13244 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13245 Do switch on default_use_cxa_atexit.
13246 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13247 * config/darwin-crt3.o: New.
13248 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13249 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13250 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13252 * config/rs6000/t-darwin: Move crt2.o building to here.
13253 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13254 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13257 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13259 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13260 from '! xxx' to '!xxx' for coding-style conformance.
13261 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13262 (EXTRA_CONSTRAINT): Likewise.
13263 * config/vax/vax.md (four unnamed insns): Likewise.
13265 2006-03-15 Paul Brook <paul@codesourcery.com>
13267 * config/arm/arm.c (minipool_pad): New.
13268 (add_minipool_forward_ref): Include pool alignment padding in address
13270 (push_minipool_fix): Set minipool_pad.
13271 (minipool_pad): Ditto.
13273 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13275 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13276 instead of GET_CODE() == MEM and REG_P() instead of
13278 (print_operand_address): Likewise.
13279 (vax_address_cost): Likewise.
13280 (vax_rtx_costs): Likewise.
13281 (vax_notice_update_cc): Likewise.
13282 (vax_output_int_add): Likewise.
13283 (INDEX_REGISTER_P): Likewise.
13284 (BASE_REGISTER_P): Likewise.
13285 (nonindexed_address_p): Likewise.
13286 (vax_mode_dependent_address_p): Likewise.
13287 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13288 (PRINT_OPERAND): Likewise.
13289 * config/vax/vax.md (ashlsi3): Likewise.
13290 (ashlsi3): Likewise.
13291 (some more unnamed insns): Likewise.
13293 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13295 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13296 iterator-style macro.
13297 (mark_control_dependent_edges_necessary): Update the use of
13298 EXECUTE_IF_CONTROL_DEPENDENT.
13300 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13302 * config/sh/predicates.md (cache_address_operand): Special.
13303 (ua_address_operand): Likewise.
13305 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13307 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13309 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13311 2006-03-15 Andreas Schwab <schwab@suse.de>
13313 * gensupport.c (identify_predicable_attribute): Don't free p_false
13314 when it is still in use.
13316 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13318 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13319 the default setting here.
13321 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13323 * tree-pass.h (pass_cfg): Remove.
13324 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13325 * passes.c (pass_cfg): Don't run it.
13327 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13329 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13330 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13332 (stack_regs_mentioned): Update the uses of
13333 stack_regs_mentioned_data. Don't access the array beyond its
13335 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13336 Don't include gt-reg-stack.h.
13338 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13339 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13341 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13343 PR middle-end/26684
13344 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13347 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13349 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13351 2006-03-14 Richard Guenther <rguenther@suse.de>
13353 PR tree-optimization/26672
13354 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13357 2006-03-14 Richard Guenther <rguenther@suse.de>
13359 PR tree-optimization/26667
13360 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13361 node for the callees. Always allow inlining if it will shrink
13364 2006-03-14 Richard Guenther <rguenther@suse.de>
13366 PR middle-end/26659
13367 * builtins.c (get_pointer_alignment): Prefer alignment
13368 information from decls over that from types.
13370 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13373 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13375 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13377 * config/rs6000/rs6000.opt (mdlmzb): New option.
13378 (msched-prolog, msched-epilog): Use Var not Mask.
13379 * doc/invoke.texi (-mdlmzb): Document.
13380 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13382 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13383 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13385 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13387 PR rtl-optimization/25739
13388 * bt-load.c (augment_live_range): Free tos pointer.
13390 * gensupport.c (identify_predicable_attribute): Free
13392 * gcov.c (create_file_names): Free name pointer.
13394 2006-03-13 Roger Sayle <roger@eyesopen.com>
13396 PR middle-end/26557
13397 * stmt.c (emit_case_nodes): Handle the case where the index is a
13398 CONST_INT, where the comparison mode is specified by the index type.
13400 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13402 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13405 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13407 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13408 (*branch_fp_inverted): Likewise.
13410 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13412 PR middle-end/25989
13413 * omp-low.c (expand_omp_for_generic): Mark istart0
13414 and iend0 as addressable.
13416 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13418 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13420 2006-03-13 Jeff Law <law@redhat.com>
13422 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13423 virtual operands are interesting.
13424 (vrp_visit_stmt): Corresponding changes.
13426 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13428 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13430 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13431 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13432 * config/bfin/crti.S: Use it instead of __PIC__.
13433 * config/bfin/crtn.S: Likewise.
13435 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13436 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13438 Lose 'G' modifier for call operand.
13439 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13440 recognize 'G' modifier.
13442 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13444 PR middle-end/18859
13445 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13446 * stmt.c (expand_case): Likewise.
13448 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13450 PR rtl-optimization/26254
13451 * loop-invariant.c (seq_insns_valid_p): New function.
13452 (move_invariant_reg): Only emit new code if it is valid.
13454 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13456 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13458 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13459 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13460 (commit_one_edge_insertion): Do not look for loop notes.
13462 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13464 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13465 flag_test_coverage out of loop.
13467 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13469 * final.c (shorten_branches): Remove outdated comment, and turn
13470 the if branch that guards it to continue.
13472 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13474 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13475 * cfgloop.h (struct loop): Remove unused fields.
13477 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13479 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13480 (-dL, -fdump-rtl-loop2): Update the dump file names
13482 * doc/invoke.texi: Update dump file names.
13484 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13486 * predict.c (estimate_probability): Remove.
13487 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13488 * basic-block.h (estimate_probability): Remove prototype.
13489 * passes.c (finish_optimization_passes): Dump branch prediction or
13490 profiling heuristics to the .profile tree dump.
13491 (init_optimization_passes): Unqueue pass_branch_prob.
13493 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13495 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13497 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13498 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13500 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13502 * function.h (frame_offset_overflow): Declare.
13503 * function.c (frame_offset_overflow): New function.
13504 (assign_stack_local_1): Call it to detect that the offset overflows.
13505 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13507 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13509 * config/sh/sh.c: Include alloc-pool.h.
13510 (label_ref_list_pool): New alloc pool.
13511 (label_ref_list_t): New type for lists of labels.
13512 (struct pool_node): Make wend a label_ref_list_t.
13513 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13515 (dump_table): Likewise.
13516 (sh_reorg): Set up the alloc pool before using add_constant and
13517 dump_table, and destroy it when finishing.
13519 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13521 * config/mips/mips.c: Remove redundant comment.
13523 2006-03-10 Jason Merrill <jason@redhat.com>
13526 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13527 the target was declared 'register'.
13529 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13531 * genpreds.c (write_insn_constraint_len): Change definition of
13532 insn_constraint_len to return size_t to match the declaration.
13534 2006-03-10 DJ Delorie <dj@redhat.com>
13536 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13538 (m32c_expand_insv): Fix test for an AND mask.
13540 2006-03-10 Richard Guenther <rguenther@suse.de>
13542 PR middle-end/26565
13543 * builtins.c (get_pointer_alignment): Handle component
13544 references for field alignment.
13546 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13548 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13549 when building with libgloss.
13550 (sh*elf): Implement --without-fp option.
13551 (sh64-superh-linux*): Don't multilib.
13553 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13555 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13557 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13559 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13560 Set it when one of the replacement functions returned true.
13561 Return TODO_cleanup_cfg if cfgchanged is true.
13562 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13564 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13566 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13567 instead of gen_lowpart.
13569 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13571 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13573 (mips_output_order_conditional_branch): Declare.
13574 * config/mips/mips.h (MIPS_BRANCH): New macro.
13575 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13576 for the comparison. Use gen_condjump.
13577 (mips_output_conditional_branch): Rework interface to take the
13578 asm templates for a direct branch and the inverse of a direct branch.
13579 (mips_output_order_conditional_branch): New function.
13580 (mips_builtin_branch_and_move): New function.
13581 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13582 branch condition. Use gen_single_cc as the condition for
13583 __builtin_mips_upper_* or __builtin_mips_lower_*.
13584 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13585 Use VOIDmode for the branch condition.
13586 * config/mips/predicates.md (order_operator): New predicate.
13587 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13588 (branch_fp): Rename to...
13589 (*branch_fp): ...this. Remove mode from comparison operator.
13590 Use new mips_output_conditional_branch interface.
13591 (branch_fp_inverted): Rename to...
13592 (*branch_fp_inverted): ...this and update as for *branch_fp.
13593 (*branch_zero<mode>): Rename to...
13594 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13595 Use mips_output_order_conditional_branch. Only accept ordered
13597 (*branch_zero<mode>_inverted): Rename to...
13598 (*branch_order<mode>_inverted): ...this and update as for
13599 *branch_order<mode>.
13600 (*branch_equality<mode>): Accept zero as the second operand to
13601 the equality operator. Use the new mips_output_conditional_branch
13603 (*branch_equality<mode>_inverted): Likewise.
13604 (condjump): New expander.
13605 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13607 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13608 (bc1any2t, bc1any2f): Likewise.
13609 (single_cc): New expander.
13610 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13612 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13614 * doc/md.texi: Update documentation of MIPS constraints.
13615 * config/mips/constraints.md: New file.
13616 * config/mips/mips.md: Include it.
13617 * config/mips/mips.c (mips_char_to_class): Delete.
13618 (override_options): Don't initialize mips_char_to_class.
13619 * config/mips/mips.h (mips_char_to_class): Delete.
13620 (REG_CLASS_FROM_LETTER): Delete.
13621 (CONST_OK_FOR_LETTER_P): Delete.
13622 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13623 (EXTRA_CONSTRAINT_Y): Delete.
13624 (EXTRA_CONSTRAINT_STR): Delete.
13625 (CONSTRAINT_LEN): Delete.
13626 (EXTRA_MEMORY_CONSTRAINT): Delete.
13628 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13630 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13631 original fn's eh regions.
13633 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13635 * fold-const.c (build_range_check): Make sure to use a valid type to
13636 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13639 (range_predecessor): New static function.
13640 (range_successor): Likewise.
13641 (merge_ranges): Use them to compute predecessors and successors of
13644 2006-03-09 Roger Sayle <roger@eyesopen.com>
13646 PR middle-end/26561
13647 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13648 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13650 2006-03-08 DJ Delorie <dj@redhat.com>
13652 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13653 (addpsi3): Expand to include memory operands. Remove
13654 reload-specific splits.
13655 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13656 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13657 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13658 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13659 (shift1_qi, shift1_hi, insv): New.
13660 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13661 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13662 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13664 * config/m32c/m32c-protos.h: Update as needed.
13665 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13666 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13667 Fail for unrecognized R* constraints.
13668 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13669 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13670 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13672 (m32c_init_libfuncs): New.
13673 (m32c_legitimate_address_p): Add debug wrapper.
13674 (m32c_rtx_costs): New.
13675 (m32c_address_cost): New.
13676 (conversions): Add 'B' prefix.
13677 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13678 operands, or word regnames for QI operands. 'B' prints bit
13680 (m32c_expand_setmemhi): New.
13681 (m32c_expand_movmemhi): New.
13682 (m32c_expand_movstr): New.
13683 (m32c_expand_cmpstr): New.
13684 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13685 (m32c_expand_neg_mulpsi3): Handle non-ints.
13686 (m32c_cmp_flg_0): New.
13687 (m32c_expand_movcc): New.
13688 (m32c_expand_insv): New.
13689 (m32c_scc_pattern): New.
13690 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13691 a0/a1 out of SIregs.
13692 (STORE_FLAG_VALUE): New.
13693 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13696 * config/m32c/mov.md: Make constraints more liberal.
13697 (zero_extendqihi2): Optimize r0/r1 case.
13698 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13699 * config/m32c/predicates.md (m32c_any_operand): New.
13700 (m32c_nonimmediate_operand): New.
13701 (m32c_hl_operand): New.
13702 (m32c_r3_operand): New.
13705 (memsym_operand): New.
13706 (memimmed_operand): New.
13707 (a_qi_operand): New.
13708 (m32c_eqne_operator): New.
13709 (m32c_1bit8_operand): New.
13710 (m32c_1bit16_operand): New.
13711 (m32c_1mask8_operand): New.
13712 (m32c_1mask16_operand): New.
13713 * config/m32c/blkmov.md: New file.
13714 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13716 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13718 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13719 unsigned to fix signed/unsigned comparison issue in
13720 DWARF2_FRAME_REG_OUT.
13721 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13722 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13724 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13725 of ptr into the ENABLE_CHECKING section.
13727 2006-03-08 Jeff Law <law@redhat.com>
13729 * tree-vrp.c (infer_value_range): Only count pointer uses
13730 and dereferences if -fdelete-null-pointer-checks is enabled.
13732 * tree-vrp.c (find_assert_locations): Infer value ranges for
13733 single use pointers, but do not create ASSERT_EXPRs for them.
13734 When a non-null range is inferred for a pointer, backwards
13735 propagate that range to other equivalent pointers through the
13738 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13741 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13742 language hook targets.
13743 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13744 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13745 if language hook targets were missing.
13747 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13749 * tree-ssa-opfinalize.h: Removed.
13750 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13752 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13753 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13754 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13755 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13756 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13757 finalize_ssa_v_must_def_ops): New.
13759 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13761 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13762 block as parameter.
13764 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13766 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13768 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13769 addresses with offsets; reorganize.
13771 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13772 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13773 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13775 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13778 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13780 2006-03-08 Ben Elliston <bje@au.ibm.com>
13782 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13784 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13787 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13790 2006-03-07 Richard Guenther <rguenther@suse.de>
13792 PR tree-optimization/26587
13793 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13795 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13797 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13799 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13801 * hooks.c (hook_bool_mode_rtx_true): New function.
13802 * hooks.h (hook_bool_mode_rtx_true): Declare.
13803 * toplev.c (compile_file): Call output_shared_constant_pool.
13804 * varasm.c (shared_constant_pool): New variable.
13805 (assemble_start_function, assemble_end_function): Remove arguments
13806 from call to output_constant_pool.
13807 (create_constant_pool): New function, split out from...
13808 (init_varasm_status): ...here.
13809 (force_const_mem): Choose between the shared and per-function constant
13810 pools. Set current_function_uses_const_pool when reusing old entries
13811 as well as when creating new ones.
13812 (mark_constant): Ignore data argument.
13813 (mark_constants): Remove pool argument.
13814 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13815 to decide whether the function uses a constant pool.
13816 (output_constant_pool_contents): New function, split out from...
13817 (output_constant_pool): ...here.
13818 (output_shared_constant_pool): New function.
13819 (init_varasm_once): Initialize shared_constant_pool.
13820 * output.h (output_constant_pool): Delete.
13821 (output_shared_constant_pool): Declare.
13822 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13823 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13825 2006-03-06 Nick Clifton <nickc@redhat.com>
13827 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13828 flag_strength_reduce.
13830 2006-03-06 Ben Elliston <bje@au.ibm.com>
13832 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13833 x86_64-*-linux* configurations.
13835 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13836 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13838 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13840 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13842 * basic-block.h: Remove the extern for
13843 rediscover_loops_after_threading.
13845 * cfgloop.c (cancel_loop): Make it static.
13846 * cfgloop.h: Remove the prototype for cancel_loop.
13848 * flow.c (recompute_reg_usage): Make it static.
13849 * rtl.h: Remove the prototype for recompute_reg_usage.
13851 * function.c (use_return_register): Make it static.
13852 * function.h: Remove the prototype.
13854 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13856 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13858 * recog.h: Remove the prototype for
13859 validate_change_maybe_volatile.
13861 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13863 * rtlanal.c (replace_reg): Remove.
13864 * rtl.h: Remove the prototype for replace_reg.
13866 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13868 * regclass.c (reg_scan_update): Remove.
13869 (reg_scan_mark_refs): Remove the last argument.
13870 * rtl.h: Remove the prototype for reg_scan_update.
13872 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13874 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13875 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13876 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13877 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13878 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13879 loop-invariant.c, omp-low.c, opts.c, passes.c,
13880 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13881 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13882 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13883 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13884 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13885 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13887 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13889 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13890 * dwarf2out.h: Remove the prototype for
13891 dwarf2out_add_library_unit_info.
13893 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13895 * tree.c (add_var_to_bind_expr): Remove.
13896 * tree.h: Remove the prototype for add_var_to_bind_expr.
13898 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13900 * regclass.c (n_non_fixed_regs): Remove.
13901 (init_reg_sets_1, globalize_reg): Remove all uses of
13903 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13905 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13907 * rtlanal.c (insns_safe_to_move_p): Remove.
13908 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13910 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13912 * expmed.c (expand_mult_add): Remove.
13913 * expr.h: Remove the prototype for expand_mult_add.
13915 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13917 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13918 and REG_SAVED_VAL_EXP constants.
13919 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13920 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13921 Handle regs stored by value.
13922 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13923 (execute_cfa_program): Handle DW_CFA_val_offset,
13924 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13925 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13926 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13927 (uw_install_context_1): Handle target regs stored by value.
13929 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13931 * tree-sra.c (tree_sra): Return todoflags;
13932 (generate_one_element): Set TODO_update_smt_usage if needed.
13933 (pass_sra): Remove TODO_update_smt_usage.
13934 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13936 (tree_ssa_forward_propagate_single_use_vars): Return
13937 TODO_update_smt_usage if we need to update SMT usage.
13938 (pass_forwprop): Remove TODO_update_smt_usage.
13940 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13942 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13943 (correct_use_link): Remove reference to get_stmt_operands.
13944 (update_stmt_operands): Likewise.
13945 (get_modify_expr_operands): New function factored out of
13946 parse_ssa_operands and get_expr_operands.
13947 Try to create V_MUST_DEFs for LHS by default.
13948 (get_expr_operands) <case MODIFY_EXPR>: Call
13949 get_modify_expr_operands.
13950 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13951 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13952 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13953 get_modify_expr_operands.
13955 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13957 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13958 * tree-flow.h: Remove the prototype for
13959 referenced_var_lookup_if_exists.
13961 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13963 PR rtl-optimization/26345
13965 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13967 2006-03-03 Roger Sayle <roger@eyesopen.com>
13969 PR tree-optimization/26524
13970 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13971 fold_convert to create a constant of the appropriate type.
13973 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13975 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13976 SYMBOL_REF_IN_BLOCK_P.
13977 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13978 of SYMBOL_FLAG_IN_BLOCK.
13979 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13980 instead of SYMBOL_REF_IN_BLOCK_P.
13981 * explow.c (use_anchored_address): Likewise.
13982 * rtl.c (rtx_size): Likewise.
13983 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13984 instead of SYMBOL_FLAG_IN_BLOCK.
13985 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13986 SYMBOL_REF_IN_BLOCK_P.
13987 (assemble_variable): Likewise.
13988 (output_constant_def_contents): Likewise.
13989 (output_constant_pool): Likewise.
13990 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13991 instead of SYMBOL_FLAG_IN_BLOCK.
13992 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13993 SYMBOL_REF_IN_BLOCK_P.
13994 (SYMBOL_REF_BLOCK): Likewise.
13995 (SYMBOL_REF_OFFSET): Likewise.
13996 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13997 SYMBOL_REF_IN_BLOCK_P.
13998 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13999 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
14000 (SYMBOL_REF_IN_BLOCK_P): Replace with...
14001 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
14003 2006-03-03 Jakub Jelinek <jakub@redhat.com>
14005 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
14007 2006-03-02 Roger Sayle <roger@eyesopen.com>
14009 * simplify-rtx.c (simplify_unary_operation): When simplifying
14010 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
14011 that we perform the right shift in the appropriate mode, and
14012 then extend or truncate the result to requested mode.
14014 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
14016 * gengtype.c (main): Handle double_int type.
14017 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
14018 * double-int.c: New file.
14019 * double-int.h: New file.
14020 * system.h: Include doubleint.h.
14021 * Makefile.in (SYSTEM_H): Include double-int.h.
14022 (double-int.o): Add.
14024 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
14027 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
14030 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14032 * tree-vrp.c (remove_range_assertions): Do not update statements
14035 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14037 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
14039 * gcse.c (rest_of_handle_gcse): Ditto.
14040 * except.c (gate_handle_eh): Ditto.
14041 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
14042 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
14044 2006-03-02 Eric Christopher <echristo@apple.com>
14046 * config/i386/i386.c (machopic_output_stub): Add indirection to
14049 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14053 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
14055 Sun Niagara specific optimizations.
14056 * config.gcc: Recognize niagara as target.
14057 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
14058 (TARGET_CPU_niagara): Define.
14059 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
14060 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
14061 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14062 (ASM_CPU_SPEC): Likewise.
14063 (PROCESSOR_NIAGARA): New enum entry.
14064 (REGISTER_MOVE_COST): Handle Niagara.
14065 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
14066 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
14067 (sparc_override_options): Recognize "niagara", set appropriate
14068 default MASK_* values for it, and align functions to 32-bytes
14069 by default just like ULTRASPARC/ULTRASPARC3.
14070 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
14071 (sparc64_initialize_trampoline): Likewise.
14072 (sparc_use_sched_lookahead): Use zero for niagara.
14073 (sparc_issue_rate): Use one for niagara.
14074 * config/sparc/niagara.md: New file.
14075 * config/sparc/sparc.md: Include it.
14076 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
14077 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
14078 when default cpu is niagara.
14079 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14080 (ASM_CPU_SPEC): Likewise.
14081 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
14082 when default cpu is niagara.
14083 (ASM_CPU_SPEC): Handle -mcpu=niagara.
14084 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
14085 just like v9/ultrasparc/ultrasparc3.
14086 * doc/invoke.texi: Add documentation for "niagara" and improve
14087 existing documentation for ultrasparc variants.
14089 2006-03-02 Diego Novillo <dnovillo@redhat.com>
14091 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
14093 2006-03-02 Richard Sandiford <richard@codesourcery.com>
14095 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
14096 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
14097 and say that only one is needed.
14098 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
14099 * target.h (have_switchable_bss_sections): New hook.
14100 * explow.c (use_anchored_address): Check that the symbol is in a block.
14101 * varasm.c (tls_comm_section, comm_section, lcomm_section)
14102 (bss_noswitch_section): New variables.
14103 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
14104 (get_noswitch_section): New function.
14105 (get_block_for_section): Allow SECT to be null.
14106 (unlikely_text_section_p): Use SECTION_STYLE.
14107 (bss_initializer_p): New function.
14108 (get_variable_section): Move earlier in file. Take a new argument,
14109 prefer_noswitch_p. Move bss checks from assemble_variable to here.
14110 Return one of the new *_sections in such cases.
14111 (get_block_for_decl): New function, extracting some logic from
14112 use_blocks_for_decl_p.
14113 (change_symbol_section): Remove in favor of...
14114 (change_symbol_block): ...this new function.
14115 (use_blocks_for_decl_p): Remove checks now performed by
14116 get_block_for_decl.
14117 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
14118 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
14119 (emit_local, emit_bss, emit_common): ...these new functions.
14120 Return true if the alignment was honored.
14121 (emit_tls_common): New function.
14122 (asm_emit_uninitialised): Delete.
14123 (assemble_variable_noswitch): New function, split out from...
14124 (assemble_variable): ...here. Don't make decisions about common
14125 variables here. Globalize all public decls that go into non-common
14126 sections. Check whether SYMBOL_REF_BLOCK is null.
14127 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
14128 (output_constant_pool): Likewise.
14129 (init_varasm_once): Initialize the new section variables.
14130 (have_global_bss_p): New function.
14131 (categorize_decl_for_section): Use bss_initializer_p.
14132 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
14133 (place_block_symbol): Assert that the symbol must be in a block.
14134 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
14135 (TARGET_INITIALIZER): Include it.
14136 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
14137 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
14138 (SECTION_MACH_DEP): Bump by two.
14139 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
14140 (unnamed_section): Mention SECTION_UNNAMED in comment.
14141 (named_section): Likewise SECTION_NAMED.
14142 (noswitch_section_callback): New type.
14143 (noswitch_section): New structure.
14144 (section): Add a noswitch_section alternative.
14145 (SECTION_STYLE): New macro.
14146 (tls_comm_section, comm_section, lcomm_section): Declare.
14147 (bss_noswitch_section, have_global_bss_p): Declare.
14148 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14149 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14151 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14152 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14155 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
14157 * tree-vrp.c (execute_vrp): Return value.
14158 * regrename.c (rest_of_handle_regrename): Ditto.
14159 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
14160 * tree-complex.c (tree_lower_complex): Ditto.
14161 (tree_lower_complex_O0): Ditto.
14162 * tracer.c (rest_of_handle_tracer): Ditto.
14163 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
14164 * postreload.c (rest_of_handle_postreload): Ditto.
14165 * tree-tailcall.c (execute_tail_recursion): Ditto.
14166 (execute_tail_calls): Ditto.
14167 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14168 * tree.h (init_function_for_compilation): Ditto.
14169 * ipa-cp.c (ipcp_driver): Ditto.
14170 * tree-scalar-evolution.c (scev_const_prop): Ditto.
14171 * tree-scalar-evolution.h (scev_const_prop): Ditto.
14172 * final.c (compute_alignments): Ditto.
14173 (rest_of_handle_final): Ditto.
14174 (rest_of_handle_shorten_branches): Ditto.
14175 (rest_of_clean_state): Ditto.
14176 * omp-low.c (execute_expand_omp): Ditto.
14177 (execute_lower_omp): Ditto.
14178 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14179 * ipa-reference.c (static_execute): Ditto.
14180 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14181 * reorg.c (rest_of_handle_delay_slots): Ditto.
14182 (rest_of_handle_machine_reorg): Ditto.
14183 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14184 * flow.c (recompute_reg_usage): Ditto.
14185 (rest_of_handle_remove_death_notes): Ditto.
14186 (rest_of_handle_life): Ditto.
14187 (rest_of_handle_flow2): Ditto.
14188 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14189 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14190 (do_ssa_store_ccp): Ditto.
14191 (execute_fold_all_builtins): Ditto.
14192 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14193 * modulo-sched.c (rest_of_handle_sms): Ditto.
14194 * ipa-pure-const.c (static_execute): Ditto.
14195 * cse.c (rest_of_handle_cse): Ditto.
14196 (rest_of_handle_cse2): Ditto.
14197 * web.c (rest_of_handle_web): Ditto.
14198 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14199 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14200 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14201 * tree-nrv.c (tree_nrv): Ditto.
14202 (execute_return_slot_opt): Ditto.
14203 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14204 (create_structure_vars): Ditto.
14205 * loop-init.c (rtl_loop_init): Ditto.
14206 (rtl_loop_done): Ditto.
14207 (rtl_move_loop_invariants): Ditto.
14208 (rtl_unswitch): Ditto.
14209 (rtl_unroll_and_peel_loops): Ditto.
14210 (rtl_doloop): Ditto.
14211 * gimple-low.c (lower_function_body): Ditto.
14212 (mark_used_blocks): Ditto.
14213 * tree-ssa-sink.c (execute_sink_code): Ditto.
14214 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14215 (cgraph_early_inlining): Ditto.
14216 * global.c (rest_of_handle_global_alloc): Ditto.
14217 * jump.c (cleanup_barriers): Ditto.
14218 (purge_line_number_notes): Ditto.
14219 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14220 (rest_of_handle_if_after_reload): Ditto.
14221 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14222 (tree_ssa_loop_im): Ditto.
14223 (tree_ssa_loop_unswitch): Ditto.
14224 (tree_vectorize): Ditto.
14225 (tree_linear_transform): Ditto.
14226 (tree_ssa_loop_ivcanon): Ditto.
14227 (tree_ssa_empty_loop): Ditto.
14228 (tree_ssa_loop_bounds): Ditto.
14229 (tree_complete_unroll): Ditto.
14230 (tree_ssa_loop_prefetch): Ditto.
14231 (tree_ssa_loop_ivopts): Ditto.
14232 (tree_ssa_loop_done): Ditto.
14233 * predict.c (tree_estimate_probability): Ditto.
14234 * recog.c (split_all_insns_noflow): Ditto.
14235 (rest_of_handle_peephole2): Ditto.
14236 (rest_of_handle_split_all_insns): Ditto.
14237 * tree-eh.c (lower_eh_constructs): Ditto.
14238 * regmove.c (rest_of_handle_regmove): Ditto.
14239 (rest_of_handle_stack_adjustments): Ditto.
14240 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14241 * function.c (instantiate_virtual_regs): Ditto.
14242 (init_function_for_compilation): Ditto.
14243 (rest_of_handle_check_leaf_regs): Ditto.
14244 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14245 (rest_of_handle_gcse): Ditto.
14246 * ipa-type-escape.c (type_escape_execute): Ditto.
14247 * alias.c (rest_of_handle_cfg): Ditto.
14248 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14249 * profile.c (rest_of_handle_branch_prob): Ditto.
14250 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14251 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14252 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14253 * tree-dfa.c (find_referenced_vars): Ditto.
14254 * except.c (set_nothrow_function_flags): Ditto.
14255 (convert_to_eh_region_ranges): Ditto.
14256 (rest_of_handle_eh): Ditto.
14257 * emit-rtl.c (unshare_all_rtl): Ditto.
14258 (remove_unnecessary_notes): Ditto.
14259 * except.h (set_nothrow_function_flags): Ditto.
14260 (convert_to_eh_region_ranges): Ditto.
14261 * cfgexpand.c (tree_expand_cfg): Ditto.
14262 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14263 * tree-ssa-pre.c (do_pre): Ditto.
14264 (execute_fre): Ditto.
14265 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14266 (rest_of_handle_jump2): Ditto.
14267 * tree-sra.c (tree_sra): Ditto.
14268 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14269 (execute_mudflap_function_decls): Ditto.
14270 * tree-ssa-copy.c (do_copy_prop): Ditto.
14271 (do_store_copy_prop): Ditto.
14272 * ipa-prop.h (ipcp_driver): Ditto.
14273 * cfglayout.c (insn_locators_initialize): Ditto.
14274 * tree-ssa-forwprop.c
14275 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14276 * cfglayout.h (insn_locators_initialize): Ditto.
14277 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14278 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14279 (execute_late_warn_uninitialized): Ditto.
14280 * rtl.h (cleanup_barriers): Ditto.
14281 (split_all_insns_noflow): Ditto.
14282 (purge_line_number_notes): Ditto.
14283 (unshare_all_rtl): Ditto.
14284 (remove_unnecessary_notes): Ditto.
14285 (recompute_reg_usage): Ditto.
14286 (variable_tracking_main): Ditto.
14287 * integrate.c (emit_initial_value_sets): Ditto.
14288 * integrate.h (emit_initial_value_sets): Ditto.
14289 * tree-optimize.c (execute_free_datastructures): Ditto
14290 (execute_free_cfg_annotations): Ditto.
14291 (execute_fixup_cfg): Ditto.
14292 (execute_cleanup_cfg_pre_ipa): Ditto.
14293 (execute_cleanup_cfg_post_optimizing): Ditto.
14294 (execute_init_datastructures): Ditto.
14295 * tree-object-size.c (compute_object_sizes): Ditto.
14296 * combine.c (rest_of_handle_combine): Ditto.
14297 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14298 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14299 (rest_of_handle_reorder_blocks): Ditto.
14300 (rest_of_handle_partition_blocks): Ditto.
14301 * var-tracking.c (variable_tracking_main): Ditto.
14302 * tree-profile.c (tree_profiling): Ditto.
14303 * tree-vect-generic.c (expand_vector_operations): Ditto.
14304 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14305 * sched-rgn.c (rest_of_handle_sched): Ditto.
14306 (rest_of_handle_sched2): Ditto.
14307 * basic-block.h (free_bb_insn): Ditto.
14308 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14309 * tree-cfg.c (execute_build_cfg): Ditto.
14310 (remove_useless_stmts): Ditto.
14311 (split_critical_edges): Ditto.
14312 (execute_warn_function_return): Ditto.
14313 (execute_warn_function_noreturn): Ditto.
14314 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14315 * cfgrtl.c (free_bb_for_insn): Ditto.
14316 * passes.c (execute_one_pass): Run additional
14317 todos returned by execute function.
14318 * tree-pass.h (struct tree_opt_pass): Make execute
14321 2006-03-02 Richard Guenther <rguenther@suse.de>
14323 * tree-ssa-alias.c (find_used_portions): Consider taking
14324 the address as making the variable not write-only.
14326 2006-03-02 Nick Clifton <nickc@redhat.com>
14328 * config.gcc (default_use_cxa_atexit): Extend the description of
14329 this configure variable. Set its default value to "yes" for
14330 Linux, NetBSD and ELF targets on the assumption that they will
14331 use C libraries with the __cxa_atexit function.
14333 2006-03-02 Ben Elliston <bje@au.ibm.com>
14335 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14336 parameter as unused to suppress a build warning.
14338 2006-03-02 Ben Elliston <bje@au.ibm.com>
14340 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14343 2006-03-01 Roger Sayle <roger@eyesopen.com>
14346 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14347 declared name, the weak reference name, and the typeof name.
14348 (__gthrw): Avoid expanding the declared name suffix.
14349 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14351 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14353 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14355 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14356 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14357 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14358 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14359 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14360 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14361 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14362 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14363 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14364 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14365 (DW_END_default, DW_END_big, DW_END_little): New.
14366 (DW_END_lo_user, DW_END_hi_user): Define.
14367 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14368 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14369 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14372 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14374 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14376 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14378 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14380 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14382 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14383 to 'symbol_mem_tag'.
14385 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14388 2006-03-01 Roger Sayle <roger@eyesopen.com>
14390 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14392 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14395 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14396 MACHO_DYNAMIC_NO_PIC_P.
14397 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14399 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14402 * config/darwin-protos.h (darwin_asm_output_anchor):
14404 * config/darwin-sections.def (cstring_section):
14405 Add SECTION_MERGE to the flags.
14406 (literal4_section): Likewise.
14407 (literal8_section): Likewise.
14408 (objc_selector_refs_section): Likewise.
14409 (objc_cls_refs_section): Likewise.
14410 * config/darwin.c (darwin_asm_output_anchor): New
14412 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14414 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14416 Fix PR tree-optimization/26443
14417 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14418 to todo and PROP_tmt_usage to properties_destroyed.
14419 * tree-ssa-ccp.c (pass_ccp): Ditto.
14420 (pass_store_ccp): Ditto.
14421 * tree-ssa-dom.c (pass_dominator): Ditto.
14423 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14425 * tree-ssa-operands.c: Cleanup whitespace.
14426 (get_asm_expr_operands): Move before first invocation.
14427 (get_indirect_ref_operands): Likewise.
14428 (get_tmr_operands): Likewise.
14429 (get_call_expr_operands): Likewise.
14430 (append_def): Likewise.
14431 (append_use): Likewise.
14432 (append_v_may_def): Likewise.
14433 (append_v_must_def): Likewise.
14434 (add_call_clobber_ops): Likewise.
14435 (add_call_read_ops): Likewise.
14436 (add_stmt_operand): Likewise.
14437 (add_virtual_operand): Likewise.
14438 (build_ssa_operands): Likewise.
14440 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14442 PR middle-end/26022
14444 PR middle-end/24437
14445 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14446 with a call expr to ...
14447 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14449 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14451 * tree-vrp.c (extract_range_from_assert): Remove special
14452 handling for types with super-types.
14454 2006-03-01 Ben Elliston <bje@au.ibm.com>
14456 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14457 and powerpc64-*-linux* configurations.
14458 * config/t-dfprules: New file.
14460 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14461 Compile dfp-bit.c from the source directory using -DWIDTH and
14462 $DFP_CFLAGS to control the compilation of that file, rather than
14463 generating width-specific versions in the build directory.
14464 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14465 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14467 2006-02-28 Zack Weinberg <zackw@panix.com>
14469 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14472 2006-02-28 Eric Christopher <echristo@apple.com>
14474 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14475 Set up IN_LIBGCC definition of TARGET_64BIT.
14476 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14478 2006-02-28 Roger Sayle <roger@eyesopen.com>
14480 PR middle-end/14752
14481 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14482 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14483 cases via the construction of "expr != 0".
14485 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14487 * alias.c (alias_invariant, alias_invariant_size): Remove.
14488 (record_base_value): Remove.
14489 (memrefs_conflict_p): Don't look at alias_invariant.
14490 (end_alias_analysis): Don't free it.
14491 * alias.h (record_base_value): Remove prototype.
14493 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14494 Adam Nemet <anemet@caviumnetworks.com>
14496 * rtl.h (truncated_to_mode): Declare it.
14497 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14498 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14499 (RTL_HOOKS_INITIALIZER): Include it.
14500 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14501 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14502 reg_truncated_to_mode.
14503 * rtlanal.c (truncated_to_mode): Define it.
14504 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14506 2006-02-28 Jeff Law <law@redhat.com>
14508 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14509 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14510 the range allowed by TYPE_PRECISION.
14512 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14514 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14516 PR tree-optimization/26419
14517 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14520 2006-02-27 Zack Weinberg <zackw@panix.com>
14522 * doc/md.texi: Fix typo in previous change.
14524 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14528 2006-02-27 Zack Weinberg <zackw@panix.com>
14530 * rtl.def (define_constraint, define_register_constraint)
14531 (define_memory_constraint, define_address_constraint): New MD forms.
14532 * gensupport.c (process_rtx): Put define_constraint etc on the
14534 * genpreds.c (process_define_predicate): Adjust comment. Validate
14535 the name, and call validate_exp to validate the expression.
14536 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14537 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14538 all callers changed.
14539 (validate_exp, needs_variable, struct constraint_data)
14540 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14541 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14542 (const_dbl_constraints, constraint_max_namelen)
14543 (have_register_constraints, have_memory_constraints)
14544 (have_address_constraints, have_address_constraints)
14545 (have_extra_constraints, have_const_int_constraints)
14546 (have_const_dbl_constraints, mangle, add_constraint)
14547 (process_define_constraint, process_define_register_constraint)
14548 (write_enum_constraint_num, write_lookup_constraint)
14549 (write_insn_constraint_len, write_regclass_for_constraint)
14550 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14551 (write_insn_extra_memory_constraint)
14552 (write_insn_extra_address_constraint)
14553 (write_satisfies_constraint_fns): New.
14554 (write_tm_preds_h): If we have new-style constraint definitions,
14555 prototype the functions generated from them, and define the
14556 old constraint interface (still used by generic code) in terms of
14558 (write_insn_preds_c): If we have new-style constraint definitions,
14559 generate all relevant functions from those definitions.
14560 (main): Handle define_constraint etc.
14561 * genoutput.c (struct constraint_data, indep_constraints)
14562 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14563 (mdep_constraint_len): New data structures and functions, defined
14564 #ifdef USE_MD_CONSTRAINTS.
14565 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14566 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14567 use new logic to validate operand constraints against constraint
14569 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14571 * defaults.h: If none of the old-style constraint macros are
14572 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14573 old-style macros; and poison REG_CLASS_FROM_LETTER,
14574 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14576 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14577 * doc/md.texi: Document new constraint-definition mechanism and the
14578 C interface it provides. Remove references to old mechanism
14579 elsewhere in the document.
14580 (Machine Constraints): Use pathnames relative to gcc directory,
14581 i.e. config/ARCH/FILE. Change i386 section to refer to
14582 config/i386/predicates.md; update that section to match docstrings.
14583 * doc/tm.texi: Move all documentation of the old constraint-
14584 definition macros to their own section, clearly mark as obsolete.
14586 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14587 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14589 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14590 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14591 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14592 constraint strings.
14593 (splits and peepholes): Use satisfies_constraint_*.
14594 * config/i386/i386.c (memory_address_length)
14595 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14597 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14599 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14600 scalar operation to be put back into the loop.
14602 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14605 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14606 (extract_cie_info): Handle S flag in augmentation string.
14607 (execute_cfa_program): If context->signal_frame, execute also
14608 fs->pc == context->ra instructions.
14609 (uw_frame_state_for): If context->signal_frame, don't subtract one
14610 from context->ra to find FDE.
14611 (uw_update_context_1): Set context->signal_frame to
14613 (_Unwind_GetIPInfo): New function.
14614 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14615 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14617 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14618 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14619 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14620 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14621 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14622 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14623 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14624 x86_64_fallback_frame_state): Set fs->signal_frame.
14625 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14626 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14627 (frob_update_context): Likewise. Workaround missing S flag in
14628 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14629 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14630 Remove the psw_addr + 1 hack.
14632 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14634 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14635 with aggregates here.
14636 (find_func_aliases): Remove code for &<aggregate> from here.
14638 2006-02-26 Roger Sayle <roger@eyesopen.com>
14640 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14641 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14642 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14643 as (X & C) ne/eq 0.
14645 2006-02-26 Roger Sayle <roger@eyesopen.com>
14647 PR middle-end/19983
14648 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14650 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14652 * opts.c (decode_options): Do not handle flag_strength_reduce.
14653 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14654 and OPT_fstrength_reduce.
14655 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14656 flag_prefetch_loop_arrays for being nonzero.
14657 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14659 (fprefetch-loop-arrays-rtl): Removed.
14660 (flag_prefetch_loop_arrays): Do not specify the value.
14662 * doc/passes.texi: Update documentation of loop optimizer
14664 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14665 -frerun-loop-opt): Remove.
14667 2006-02-26 Richard Guenther <rguenther@suse.de>
14669 PR tree-optimization/26421
14670 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14671 in function calls that are ADDR_EXPRs as using the whole structure.
14673 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14675 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14676 * tree-pass.h (pass_loop_optimize): Remove.
14677 * passes.c (pass_loop_optimize): Never run it.
14678 * toplev.c (backend_init): Don't call init_loop.
14679 * opts.c (flag_loop_optimize_set): Remove.
14680 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14681 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14682 the old RTL loop optimizer when profiling enabled.
14683 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14684 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14685 pre-headers for the sake of the old RTL loop optimizer.
14686 * Makefile.in: Remove all references to loop.o.
14688 * doc/invoke.texi: Remove all references to -floop-optimize
14689 and -frerun-loop-opt.
14691 2006-02-26 Zack Weinberg <zackw@panix.com>
14693 * doc/md.texi (Machine Constraints): Refer to all files with paths
14694 relative to gcc directory (i.e. config/CPU/file). Add missing
14695 @table @code ... @end table to M32C subsection.
14697 2006-02-26 Roger Sayle <roger@eyesopen.com>
14699 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14701 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14703 2006-02-26 Roger Sayle <roger@eyesopen.com>
14704 James A. Morrison <phython@gcc.gnu.org>
14706 PR middle-end/21137
14707 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14708 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14709 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14710 signedness of the shift operation.
14712 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14714 PR tree-optimization/26359
14715 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14717 2006-02-25 Roger Sayle <roger@eyesopen.com>
14719 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14720 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14721 as X == 0, and some symmetry related transformations.
14722 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14724 2006-02-25 Roger Sayle <roger@eyesopen.com>
14726 PR middle-end/23673
14727 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14728 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14729 symmetry related transformations. Fold (X^C1) == C2 as
14732 2006-02-25 Juergen Weigert <jw@suse.de>
14733 Richard Guenther <rguenther@suse.de>
14735 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14737 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14739 * combine.c (gen_lowpart_or_truncate): Call
14740 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14742 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14744 * doc/invoke.texi: Move -fopenmp description to "Options for
14746 Remove reference to -lgomp.
14748 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14750 * doc/install.texi: Require GNU tar version 1.14.
14752 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14754 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14755 * doc/invoke.texi (C++ Dialect Options): Document
14756 -fno-use-cxa-get-exception-ptr.
14757 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14758 * configure: Regenerate.
14759 * c.opt (fuse-cxa-get-exception-ptr): New.
14760 * c-opts.c (c_common_handle_option): Handle
14761 OPT_fuse_cxa_get_exception_ptr.
14762 * c-common.c (flag_use_cxa_atexit): Update documentation.
14763 (flag_use_cxa_get_exception_ptr): New.
14764 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14765 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14767 (C_COMMON_OVERRIDE_OPTIONS): New.
14769 2006-02-24 Roger Sayle <roger@eyesopen.com>
14771 PR middle-end/24952
14772 * combine.c (try_combine): Explicitly check whether GET_CODE is
14773 a SET or a CLOBBER, instead on checking that it isn't a USE.
14775 2006-02-24 Roger Sayle <roger@eyesopen.com>
14777 * fold-const.c (fold_comparison): New subroutine of fold_binary
14778 containing transformations common to both the equality and
14779 ordering relational operators, factored out of fold_binary.
14780 (fold_binary): Separate out the equality operators (EQ_EXPR
14781 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14782 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14783 transformations common to both.
14784 (fold_div_compare): Fix latent bugs in the previously unreachable
14785 LT_EXPR and GE_EXPR cases.
14787 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14789 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14790 decl libname for clog to __clog on AIX.
14792 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14794 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14797 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14798 output traceback table for thunks. Localise rs6000_stack_info call.
14800 2006-02-23 Roger Sayle <roger@eyesopen.com>
14801 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14803 * gthr-posix.h (__gthrw): Fix typo in comment.
14805 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14807 * doc/cpp.texi (Character sets): Document that we do support
14808 input files to be in any character set.
14810 2006-02-23 Jeff Law <law@redhat.com>
14812 * tree.h (PHI_ARG_NONZERO): Remove.
14813 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14814 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14815 node to the new node.
14817 PR tree-optimization/26425
14818 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14819 min/max, then assume its varying.
14821 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14823 PR rtl-optimization/26316
14824 * rtlanal.c (enum may_trap_p_flags): New.
14825 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14826 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14827 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14828 (may_trap_after_code_motion_p): New function.
14829 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14830 (find_invariant_insn): Use may_trap_after_code_motion_p.
14831 * rtl.h (may_trap_after_code_motion_p): Declare.
14833 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14835 * emit-rtl.c (immed_double_const): Cleanup.
14837 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14839 Fix PR tree-optimization/26376
14840 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14843 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14845 PR middle-end/26412
14846 * gimplify.c (omp_add_variable): Guard variable size decl test with
14847 DECL_SIZE (decl) check.
14849 2006-02-23 Richard Guenther <rguenther@suse.de>
14851 PR middle-end/26439
14852 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14853 like aggregate types.
14855 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14857 * configure.ac: Add --with{,out}-long-double-128 configure option.
14858 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14859 * configure: Rebuilt.
14860 * config.in: Rebuilt.
14861 * doc/install.texi (Options specification): Document
14862 --with-long-double-128.
14864 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14865 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14866 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14867 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14869 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14871 * config/s390/s390.c (override_options): Handle
14872 TARGET_DEFAULT_LONG_DOUBLE_128.
14874 * config/alpha/alpha.c (override_options): Handle
14875 TARGET_DEFAULT_LONG_DOUBLE_128.
14877 * config/sparc/sparc.c (sparc_override_options): Handle
14878 TARGET_DEFAULT_LONG_DOUBLE_128.
14880 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14882 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14883 (real-install-headers-tar, real-install-headers-cpio)
14884 (real-install-headers-cp): New targets.
14886 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14888 * tree.h (variable_section): Delete.
14889 * varasm.c (variable_section): Delete.
14891 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14893 * install.texi: Add notes on install.texi2html.
14894 (Building in parallel): Do not use footnotes.
14896 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14899 * doc/install.texi (Configuration): Document --disable-libgomp.
14901 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14903 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14905 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14907 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14908 (vec_extractv2df_0_sse): New.
14910 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14912 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14913 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14914 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14915 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14916 to the result of the expression.
14917 (def_cfa_1): Adjust.
14918 (frame_pointer_cfa_offset): Rename to...
14919 (frame_pointer_fb_offset): ... this. Adjust all uses.
14920 (convert_cfa_to_loc_list): Rename to...
14921 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14922 Pass it on to build_cfa_loc.
14923 (compute_frame_pointer_to_cfa_displacement): Rename to...
14924 (compute_frame_pointer_to_fb_displacement): ... this. New
14925 offset parameter. Use it in computation.
14926 (gen_subprogram_die): Compute cfa_fb_offset with the new
14927 macro, and use it to compute the fb loc list and the
14930 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14932 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14933 replaced with register_operand.
14934 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14935 non-DREG is expensive.
14936 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14937 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14940 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14942 * doc/install.texi2html: Use set -e.
14944 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14946 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14947 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14948 * doc/invoke.texi (-fshared-data): Delete.
14949 * common.opt (fshared-data): Delete.
14950 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14951 (assemble_static_space): Remove #if 0 code.
14952 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14953 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14954 * config/cris/cris.h: Remove FIXME.
14956 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14958 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14961 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14963 PR middle-end/26379
14964 * combine.c (simplify_shift_const_1): Disable nested shifts
14965 optimization for vector shifts.
14967 2006-02-20 Roger Sayle <roger@eyesopen.com>
14969 PR tree-optimization/26361
14970 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14971 of unsigned integer types.
14973 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14975 * tree-chrec.c (eq_evolutions_p): New.
14976 * tree-chrec.h (eq_evolutions_p): Declared.
14977 * tree-data-ref.c: Fix formatting.
14978 (datadep_stats, dependence_stats): New.
14980 (print_direction_vector): New.
14981 (dump_data_dependence_relation): Use print_direction_vector.
14982 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14983 (compute_subscript_distance): Static.
14984 (initialize_data_dependence_relation): Static. Get the number
14985 of loops surrounding the references from the callers, and initialize
14986 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14987 base_object_differ_p analyzers.
14988 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14989 compute_overlap_steps_for_affine_1_2,
14990 analyze_subscript_affine_affine): Count the classified dependences.
14991 Print a message when a test failed.
14992 (can_use_analyze_subscript_affine_affine): New.
14993 (analyze_siv_subscript): Compute the data dependences on symbolic
14994 scevs that verify can_use_analyze_subscript_affine_affine.
14995 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14996 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14997 Handle symbolic scevs.
14998 (analyze_overlapping_iterations): Let symbolic affine scevs to be
15000 (subscript_dependence_tester): Moved...
15001 (build_classic_dist_vector, build_classic_dir_vector): Don't use
15002 lambda_vector_clear on newly allocated vectors. Get nb_loops from
15003 DDR_SIZE_VECT instead of getting it in parameter.
15004 (subscript_dependence_tester): ... here. Take as a parameter
15005 loop_nest_depth. Call build_classic_dist_vector and
15006 build_classic_dir_vector.
15007 (compute_affine_dependence): Update subscript_dependence_tester
15008 parameters. Update datadep_stats counters. Call
15009 compute_subscript_distance.
15010 (compute_self_dependence): Save the dist and dir vectors. Call
15011 compute_subscript_distance.
15012 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
15013 (compute_all_dependences): Reorder parameters as they were before
15014 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
15015 compute_subscript_distance. Update the use of
15016 compute_affine_dependence and initialize_data_dependence_relation.
15017 (find_data_references_in_loop): Handle COMPONENT_REF.
15018 (compute_data_dependences_for_loop): Initialize dependence_stats.
15019 Don't call build_classic_dist_vector and build_classic_dir_vector.
15020 Update the parameters of initialize_data_dependence_relation and
15021 compute_all_dependences. Print the statistics from datadep_stats.
15022 (analyze_all_data_dependences): Static. Not used until the pass for
15023 checking the data dependences is contributed.
15024 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
15025 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
15026 (initialize_data_dependence_relation, compute_affine_dependence,
15027 analyze_all_data_dependences, compute_subscript_distance): Removed.
15028 (print_direction_vector): New.
15029 * lambda.h (gcd): ... here.
15030 (lambda_vector_gcd): Moved here from gcd_vector.
15031 * lambda-code.c (gcd, gcd_vector): Removed.
15032 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
15033 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
15035 2006-02-20 Diego Novillo <dnovillo@redhat.com>
15037 * ipa-type-escape.c: Tidy some comments and white space.
15038 * tree-ssa-operands.c: Likewise.
15040 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
15043 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
15044 (dump_decl_name): Do not walk the decl tree chains.
15045 * tree-pass.h (TDF_CHAIN): Remove.
15047 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15049 * Makefile.in (C): Remove
15051 (.PHONY): Remove C and PROTO
15053 2006-02-20 Roger Sayle <roger@eyesopen.com>
15055 PR middle-end/26236
15056 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
15057 deprecated CHAR_TYPE tree code.
15059 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15061 * configure.ac (target_list): Add install-info, dvi, html.
15062 * configure: Regenerate.
15064 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
15065 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
15066 treelang/Make-lang.in: Do not use double-colon rules.
15068 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
15070 * tree.h (struct tree_memory_tag): Add is_used_alone member.
15071 (TMT_USED_ALONE): New macro.
15072 * tree-pass.h (PROP_tmt_usage): New property.
15073 (TODO_update_tmt_usage): New todo.
15074 * tree-ssa-alias.c (updating_used_alone): New variable.
15075 (recalculate_used_alone): New function.
15076 (compute_may_aliases): Set updating_used_alone, call
15077 recalculate_used_alone.
15078 * tree-sra.c (pass_sra): Note that this pass destroys
15079 PROP_tmt_usage, and add TODO_update_tmt_usage.
15080 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
15081 * tree-flow.h (updating_used_alone): Prototype.
15082 (recalculate_used_alone): Ditto.
15083 * passes.c (execute_todo): Add code to set updating_used_alone,
15084 and call recalculate.
15085 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
15086 for clobber if used alone, and add assert to verify used_alone
15089 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
15091 * config/s390/s390.c (legitimize_pic_address): Assertions checking
15092 for non tls symbols added.
15093 (legitimize_address): Do nothing for PLUS expressions if one of the
15094 addends is a tls symbol reference.
15096 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15100 * Makefile.in (LDFLAGS): Define from autoconf substitution.
15102 * Makefile.in (BOOTSTRAPPING): New.
15103 (quickstrap): New definition if BOOTSTRAPPING=yes.
15105 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
15106 * configure.ac: Substitute all_selected_languages with the languages
15107 that were configured. For all the other variables except
15108 lang_specs_files, include all the languages in the tree.
15109 * configure: Regenerate.
15111 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
15112 if there is one. Run the commands to run fixincludes in the same
15115 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
15116 * doc/install.texi: Document exact conventions for searching target tools.
15117 Document --with-build-time-tools. Document toplevel bootstrap. Document
15118 something more about building an Ada cross-compiler. Don't list GNU Make
15119 requirements which affect all platforms.
15121 2006-02-19 Roger Sayle <roger@eyesopen.com>
15123 PR middle-end/19543
15124 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
15125 only equivalent if the have both the same mode and precision.
15127 2006-02-20 Ben Elliston <bje@au.ibm.com>
15129 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
15131 2006-02-19 Roger Sayle <roger@eyesopen.com>
15132 Steven Bosscher <stevenb.gcc@gmail.com>
15134 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
15135 constant pool references to identify stack mode constants.
15136 * rtlanal.c (constant_pool_constant_p): New predicate to check
15137 whether operand is a floating point constant in the pool.
15138 * rtl.h (constant_pool_constant_p): Prototype here.
15139 * loop.c (scan_loop): Avoid hoisting constants from the constant
15140 pool on STACK_REGS targets.
15141 (load_mems): Likewise.
15142 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
15143 loads into x87 registers expensive in terms of register pressure.
15145 2006-02-19 Roger Sayle <roger@eyesopen.com>
15147 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
15148 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
15150 2006-02-19 David Edelsohn <edelsohn@gnu.org>
15152 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15153 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
15155 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
15157 * doc/invoke.texi: Document -fipa-pta.
15158 * common.opt: Add ipa-pta option.
15159 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
15160 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
15161 (do_ds_constraint): Ditto.
15162 (get_constraint_for): Only add to referenced_vars if
15163 referenced_vars exists.
15164 (insert_into_field_list): Rewrite to do this unsorted.
15165 (insert_into_field_list_sorted): Rename old insert_into_field_list
15167 (create_function_info_for): Use insert_into_field_list_sorted.
15168 (create_variable_info_for): Rewrite so it uses unsorted version,
15169 since the field list is sorted.
15170 (intra_create_variable_infos): Only add to referenced_vars if
15171 referenced_vars exists.
15172 (ipa_pta_execute): Init heapvars, and delete when done.
15173 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15175 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15177 * doc/install.texi: Add missing `@samp'.
15179 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15181 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15184 2006-02-18 Mark Wielaard <mark@klomp.org>
15186 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15187 who added new 4.1 features, bug fixes and integration support.
15189 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15192 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15193 MEM for ABI_V4 pic.
15195 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15197 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15198 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15199 (copy_insn_1): Likewise. Don't copy each field individually.
15201 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15203 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15204 * rtl.c (rtx_size): Rename variable to...
15205 (rtx_code_size): ...this.
15206 (rtx_size): New function.
15207 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15208 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15210 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15211 * rtl.h (rtx_code_size): New variable.
15212 (rtx_size): Change from a variable to a function.
15213 (RTX_SIZE): Rename to...
15214 (RTX_CODE_SIZE): ...this.
15217 PR tree-optimization/17106
15218 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15219 (Anchored Addresses): New section.
15220 * doc/invoke.texi (-fsection-anchors): Document.
15221 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15222 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15223 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15224 * hooks.c (hook_bool_mode_rtx_false): New function.
15225 * hooks.h (hook_bool_mode_rtx_false): Declare.
15226 * gengtype.c (create_optional_field): New function.
15227 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15228 SYMBOL_REF_IN_BLOCK_P is true.
15229 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15230 (min_anchor_offset, max_anchor_offset): Likewise.
15231 (use_anchors_for_symbol_p): New hook.
15232 * toplev.c (compile_file): Call output_object_blocks.
15233 (target_supports_section_anchors_p): New function.
15234 (process_options): Check that -fsection-anchors is only used on
15235 targets that support it and when -funit-at-a-time is in effect.
15236 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15237 if the decl doesn't have one.
15238 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15239 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15240 of force_const_mem through use_anchored_address.
15241 (expand_expr_constant): New function.
15242 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15243 calling expand_expr for INDIRECT_REF.
15244 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15245 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15246 * expr.h (use_anchored_address): Declare.
15247 * loop-unroll.c: Don't declare rtx vectors here.
15248 * explow.c: Include output.h.
15249 (validize_mem): Call use_anchored_address.
15250 (use_anchored_address): New function.
15251 * common.opt (-fsection-anchors): New switch.
15252 * varasm.c (object_block_htab, anchor_labelno): New variables.
15253 (hash_section, object_block_entry_eq, object_block_entry_hash)
15254 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15255 (use_blocks_for_decl_p, change_symbol_section): New functions.
15256 (get_variable_section): New function, split out from assemble_variable.
15257 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15258 use_blocks_for_decl_p say so. Use change_symbol_section if the
15259 symbol has already been created.
15260 (assemble_variable_contents): New function, split out from...
15261 (assemble_variable): ...here. Don't output any code for
15262 block symbols; just pass them to place_block_symbol.
15263 Use get_variable_section and assemble_variable_contents.
15264 (get_constant_alignment, get_constant_section, get_constant_size): New
15265 functions, split from output_constant_def_contents.
15266 (build_constant_desc): Create a block symbol if use_object_blocks_p
15267 says so. Or into SYMBOL_REF_FLAGS.
15268 (assemble_constant_contents): New function, split from...
15269 (output_constant_def_contents): ...here. Don't output any code
15270 for block symbols; just pass them to place_section_symbol.
15271 Use get_constant_section and get_constant_alignment.
15272 (force_const_mem): Create a block symbol if use_object_blocks_p and
15273 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15274 (output_constant_pool_1): Add an explicit alignment argument.
15275 Don't switch sections here.
15276 (output_constant_pool): Adjust call to output_constant_pool_1.
15277 Switch sections here instead. Don't output anything for block symbols;
15278 just pass them to place_block_symbol.
15279 (init_varasm_once): Initialize object_block_htab.
15280 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15281 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15282 (place_block_symbol, get_section_anchor, output_object_block)
15283 (output_object_block_htab, output_object_blocks): New functions.
15284 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15285 (TARGET_ASM_OUT): Include it.
15286 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15287 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15288 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15289 (TARGET_INITIALIZER): Include them.
15290 * rtl.c (rtl_check_failed_block_symbol): New function.
15291 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15292 (block_symbol, object_block): New structures.
15293 (rtx_def): Add a block_symbol field to the union.
15294 (BLOCK_SYMBOL_CHECK): New macro.
15295 (rtl_check_failed_block_symbol): Declare.
15296 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15297 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15298 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15299 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15300 * output.h (output_section_symbols): Declare.
15301 (object_block): Name structure.
15302 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15303 (default_use_anchors_for_symbol_p): Declare.
15304 * Makefile.in (RTL_BASE_H): Add vec.h.
15305 (explow.o): Depend on output.h.
15306 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15307 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15308 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15309 (rs6000_use_blocks_for_constant_p): New function.
15311 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15313 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15315 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15318 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15321 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15323 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15327 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15329 PR middle-end/26334
15330 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15331 instead of DECL_REGISTER.
15333 2006-02-18 Olivier Hainque <hainque@adacore.com>
15336 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15338 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15341 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15342 * opth-gen.awk: Handle Var and InverseMask together.
15343 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15344 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15345 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15346 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15348 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15349 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15350 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15351 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15352 LINUX_DYNAMIC_LINKER): Define.
15353 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15354 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15356 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15357 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15358 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15359 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15360 (TARGET_C99_FUNCTIONS): Don't define.
15361 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15362 GLIBC_DYNAMIC_LINKER.
15363 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15364 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15365 GLIBC_DYNAMIC_LINKER64): Define.
15366 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15367 LINUX_DYNAMIC_LINKER64.
15368 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15369 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15370 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15371 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15372 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15373 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15374 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15375 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15376 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15377 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15378 and LINUX_DYNAMIC_LINKER32.
15379 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15380 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15381 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15382 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15383 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15385 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15386 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15387 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15388 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15389 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15390 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15391 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15392 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15393 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15394 LINUX_DYNAMIC_LINKER): Define.
15395 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15396 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15397 GLIBC_DYNAMIC_LINKER64): Define.
15398 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15399 LINUX_DYNAMIC_LINKER64.
15400 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15401 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15402 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15403 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15404 LINUX_DYNAMIC_LINKER): Define.
15405 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15406 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15407 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15408 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15409 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15410 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15411 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15412 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15413 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15414 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15415 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15416 * doc/invoke.texi (-muclibc): Remove caveat about supported
15419 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15421 * doc/cpp.texi (__TIMESTAMP__): Document.
15423 2006-02-17 Roger Sayle <roger@eyesopen.com>
15425 PR middle-end/25600
15426 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15427 C is one less than the width of X (and related transformations).
15428 * simplify-rtx.c (simplify_unary_operation_1): Transform
15429 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15430 depending on STORE_FLAG_VALUE, were C is one less then the
15433 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15435 Fix PR tree-optimization/26341
15436 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15437 about NAME_MEMORY_TAG's.
15439 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15442 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15443 with hardware float support, and software float support. Add fcpy
15444 alternative to hardware patterns. Add alternatives to copy between
15445 general and floating-point registers to the 32-bit pattern.
15446 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15447 secondary reload to load a QI or HI mode constant into a floating
15449 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15450 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15452 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15455 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15457 (load_macho_picbase_di): Likewise.
15459 2006-02-16 Jeff Law <law@redhat.com>
15461 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15462 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15463 (ssa_name_nonzero_p): Likewise.
15464 (get_value_range): Return NULL if VRP is not running.
15465 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15466 VRP routines do not discover a range.
15467 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15468 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15469 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15470 (tree_expr_nonnegative_p): Similarly.
15471 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15472 (restore_nonzero_vars_to_original_value): Remove.
15473 (unsafe_associative_fp_binop): Remove.
15474 (tree_ssa_dominator_optimize): Remove initialization and
15475 finalization of nonzero_vars and nonzero_vars_stack.
15476 (dom_opt_initialize_block): No longer push marker on
15477 nonzero_vars_stack.
15478 (dom_opt_finalize_block): No longer call
15479 restore_nonzero_vars_to_original_value.
15480 (record_equivalences_from_phis): No longer look for
15481 nonzero PHI arguments.
15482 (cprop_into_successor_phis): No longer propagate nonzero
15483 property into PHI arguments. Lose unused argument. Caller
15485 (record_equivalences_from_stmt): No longer record nonzero
15486 values for SSA_NAMEs.
15487 (lookup_avail_expr): No longer use nonzero_vars.
15489 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15490 for sizetype when sizetype is unsigned.
15492 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15494 PR rtl-optimization/25603
15495 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15496 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15497 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15498 with new meaning of SETS.
15500 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15505 * config/linux.opt: New file.
15506 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15507 LINUX_DYNAMIC_LINKER): Define.
15508 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15509 * config.gcc (*-*-linux*): Define extra_options.
15510 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15511 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15512 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15513 GLIBC_DYNAMIC_LINKER.
15514 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15515 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15516 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15518 * doc/invoke.texi (GNU/Linux Options): New section.
15520 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15522 * config/sparc/sparc.md (setjmp): Rewrite.
15523 (setjmp_32): Delete.
15524 (setjmp_64): Likewise.
15526 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15528 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15531 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15533 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15536 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15538 PR rtl-optimization/26296
15539 * Makefile.in (loop-invariant.c): Add except.h dependency.
15540 * loop-invariant.c: Include except.h.
15541 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15543 2005-02-16 Paul Brook <paul@codesourcery.com>
15545 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15548 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15550 PR rtl-optimization/25636
15551 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15552 when deciding whether an insn is an initializing insn.
15554 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15556 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15557 (tree_code_size): Ditto.
15558 * tree.h (struct tree_memory_tag): Remove parent_var.
15559 (struct tree_struct_field_tag): New.
15562 (union tree_node): Add sft member.
15563 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15565 (create_sft): Add size and offset argument, set SFT_OFFSET and
15567 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15568 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15569 * tree-flow-inline.h (get_subvar_at): Update for
15570 SFT_OFFSET/SFT_SIZE.
15571 (var_can_have_subvars): Ditto.
15572 (overlap_subvar): Ditto.
15573 * print-tree.c (print_node): Print out interesting things for
15575 * tree-flow.h (struct subvar): Remove offset and size members.
15576 * tree-ssa-operands.c (get_expr_operands): Update for
15577 get_indirect_ref_operands changes.
15578 (get_indirect_ref_operands): Call add_virtual_operand instead of
15579 add_stmt_operand. Only recurse on base var if requested.
15580 (access_can_touch_variable): New function.
15581 (add_stmt_operand): Split virtual operand handling into ...
15582 (add_virtual_operand): Here. Add offset, size, and for_clobber
15583 arguments. Prune alias sets.
15584 (add_call_clobber_ops): Call add_virtual_operand.
15586 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15588 PR middle-end/26300
15589 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15591 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15592 than TREE_CODE as index into omp_clause_num_ops array.
15594 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15596 PR rtl-optimization/26184
15597 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15599 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15600 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15601 must_precede, must_follow and tobe_scheduled.
15604 * opts.c (common_handle_option): Free new_option pointer.
15605 * df-core.c (df_analyze): Free postorder pointer.
15607 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15609 * Makefile.in: Fix the examples about the use of stamps
15611 2006-02-15 Michael Matz <matz@suse.de>
15613 PR middle-end/22275
15615 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15616 influenced by maximum_field_alignment or DECL_PACKED.
15617 (update_alignment_for_field): Ditto.
15618 (place_field): Ditto.
15619 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15622 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15624 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15625 (debug_flow_info): Pass it.
15626 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15627 * bb-reorder.c (reorder_basic_blocks): Likewise.
15628 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15629 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15630 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15631 * gcse.c (gcse_main, bypass_jumps): Likewise.
15632 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15633 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15634 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15635 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15636 * rtl.h (dump_flow_info): Adjust prototype.
15637 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15638 * var-tracking.c (variable_tracking_main): Likewise.
15639 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15640 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15643 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15645 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15648 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15650 PR tree-optimization/26209
15651 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15652 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15654 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15656 2006-02-14 Roger Sayle <roger@eyesopen.com>
15658 PR middle-end/23670
15659 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15660 (X,Y) and the corresponding symmetry related transformations.
15661 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15662 (X,Y) and its symmetry related transformations.
15664 2006-02-14 Roger Sayle <roger@eyesopen.com>
15666 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15669 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15671 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15673 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15676 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15677 support COMDAT group.
15678 * configure: Regenerate.
15680 2006-02-14 Roger Sayle <roger@eyesopen.com>
15682 PR middle-end/26279
15683 PR middle-end/26280
15684 PR middle-end/26283
15685 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15687 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15689 Fix PR tree-optimization/26260
15691 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15693 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15694 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15695 * tree-ssa-structalias.c (create_variable_info_for): Use
15696 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15698 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15700 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15702 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15703 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15704 of the ending condition.
15705 * tree-ssa-loop-manip.c: Include params.h.
15706 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15707 tree_unroll_loop): New functions.
15708 * tree-pass.h (pass_loop_prefetch): Declare.
15709 * loop.c (rest_of_handle_loop_optimize): Test for
15710 -fprefetch-loop-arrays-rtl.
15711 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15712 * timevar.def (TV_TREE_PREFETCH): New timevar.
15713 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15714 pass_loop_prefetch): New.
15715 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15716 (cleanup_tree_cfg_loop): Call scev_reset.
15717 * common.opt (fprefetch-loop-arrays-rtl): Add.
15718 * tree-ssa-loop-prefetch.c: New file.
15719 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15720 (new_temp_expr_table): Initialize expr_vars.
15721 (free_temp_expr_table): Cleanup expr_vars.
15722 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15723 expressions from being merged into one.
15724 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15725 (struct tree_niter_desc): Add control, bound and cmp fields.
15726 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15728 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15729 (tree-cfgcleanup.o): Add SCEV_H dependency.
15730 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15731 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15733 2006-02-14 Richard Guenther <rguenther@suse.de>
15735 PR tree-optimization/26258
15736 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15737 in PHI argument processing.
15739 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15741 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15742 new expression in the requested machine mode.
15744 2006-02-13 Roger Sayle <roger@eyesopen.com>
15746 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15747 directly, instead let do_compare_rtx_and_jump handle this for us.
15748 * expr.c (expand_expr_real_1): Likewise.
15749 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15750 before do_jump_by_parts_greater.
15751 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15752 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15754 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15756 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15758 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15760 PR rtl-optimization/26235
15761 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15762 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15765 2006-02-13 Jeff Law <law@redhat.com>
15767 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15770 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15772 PR middle-end/26092
15773 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15774 twice if decl is a builtin. When trying again, call get_callee_fndecl
15775 first to verify it is still a builtin.
15777 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15779 * dwarf2out.c (base_type_die): Don't add AT_name here.
15780 (subrange_type_die): Don't add AT_name here.
15781 (modified_type_die): Rearrange code flow. Do add AT_name here.
15783 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15785 PR rtl-optimization/26247
15786 PR rtl-optimization/26248
15787 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15789 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15791 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15792 * config/fixtfdi.c: Likewise.
15793 * config/fixunstfdi.c: Likewise.
15794 * config/floatditf.c: Likewise.
15796 2006-02-13 Roger Sayle <roger@eyesopen.com>
15798 PR middle-end/24427
15799 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15800 into (X,C2) if C1 is a subset of the bits of C2. Transform
15801 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15803 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15805 2006-02-13 Josh Conner <jconner@apple.com>
15808 * varasm.c (function_section): Check for section name before
15809 calling select_section on targets that define
15810 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15811 unlikely_text_section instead of hot_function_section if
15812 first_function_block_is_cold.
15814 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15816 PR middle-end/25335
15817 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15819 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15821 PR rtl-optimization/26222
15822 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15823 after tree->rtl expansion.
15824 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15825 before passing it to emit_move_insn.
15827 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15829 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15831 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15832 Clarify documentation.
15833 * c-common.h (warn_write_strings): Remove.
15834 * c-common.c (warn_write_strings): Likewise.
15835 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15838 2006-02-12 Roger Sayle <roger@eyesopen.com>
15840 PR middle-end/25724
15841 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15842 (do_jump_parts_zero_rtx): New function renamed from
15843 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15844 (do_jump_parts_equality_rtx): New function split out from
15845 do_jump_parts_equality. Old implementation renamed as above.
15846 Call do_jump_parts_zero_rtx if either operand is zero.
15847 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15848 do all of the heavy lifting.
15849 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15850 calling either do_jump_by_parts_greater_rtx or
15851 do_jump_by_parts_equality_rtx.
15852 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15853 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15854 moved to do_compare_rtx_and_jump, call it directly.
15855 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15856 mode argument. Call do_compare_rtx_and_jump.
15857 (emit_case_nodes): Update calls to do_jump_if_equal.
15859 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15861 PR rtl-optimization/26225
15862 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15864 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15866 PR rtl-optimization/26232
15867 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15869 2006-02-11 Jason Merrill <jason@redhat.com>
15872 * tree-inline.c (declare_return_variable): Just don't use the
15873 modify target if it's a gimple complex reg and the return slot
15876 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15878 * doc/contrib.texi: Update my entry.
15880 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15882 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15884 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15886 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15889 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15891 * doc/invoke.texi (-floop-optimize2): Removed.
15892 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15893 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15894 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15895 * common.opt (floop-optimize2): Removed.
15896 (fmove-loop-invariants): Enabled by default.
15898 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15900 * tree-if-conv.c (combine_blocks): Free the result of
15901 get_loop_exit_edges.
15903 2006-02-10 Jeff Law <law@redhat.com>
15905 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15907 PR tree-optimization/26213
15908 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15909 loop trying to follow SSA_NAME_VALUE chains.
15911 2006-02-10 Richard Guenther <rguenther@suse.de>
15913 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15914 deal with structures that end in implicitly variable sized arrays.
15916 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15918 PR rtl-optimization/24762
15919 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15922 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15924 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15925 (struct ivopts_data): Add regs_used field.
15926 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15927 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15928 instead of loop_data->regs_used;
15929 (free_loop_data): Do not free aux fields for loops.
15930 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15931 and tree_ssa_iv_optimize_finalize.
15933 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15935 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15937 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15940 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15941 computing the effective result type.
15943 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15945 PR inline-asm/16194
15946 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15947 (tree_overlaps_hard_reg_set): Declare.
15948 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15949 type and signature to match function type expected by walk_tree.
15950 (tree_overlaps_hard_reg_set): New function.
15951 (decl_conflicts_with_clobbers_p): Rename to:
15952 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15953 Use tree_overlaps_hard_reg_set. Changed caller.
15954 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15955 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15956 * cris.c (cris_md_asm_clobbers): Likewise.
15958 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15960 * reload1.c (emit_input_reload_insns): Delete code that tries to
15961 inherit using find_equiv_reg.
15963 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15965 * c-common.h (flag_const_strings): Don't declare.
15966 * c-common.c (flag_const_strings): Remove.
15967 * c.opt (fconst_strings): Remove.
15968 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15969 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15970 (c_common_init_options): Don't set flag_const_strings.
15971 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15973 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15975 * arm.md (tlobits_cbranch): New pattern.
15976 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15977 testing a single bit.
15979 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15982 * tree-ssa-pre.c (create_component_ref_by_pieces):
15983 Handle RETURN_DECL like VAR_DECL.
15985 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15987 PR middle-end/26134
15988 * fold-const.c (fold_indirect_ref_1): Fold
15989 "*(foo *)&complexfoo" to "__real__ complexfoo"
15990 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15992 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15994 * tree-flow-inline.h (var_can_have_subvars):
15995 Volatile variables should not have subvariables.
15997 2006-02-09 Diego Novillo <dnovillo@redhat.com>
16000 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
16001 multiplying unsigned values.
16004 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
16006 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
16008 2006-02-08 Jason Merrill <jason@redhat.com>
16011 * tree.def: Elaborate on difference from MODIFY_EXPR.
16012 * doc/c-tree.texi (INIT_EXPR): Likewise.
16013 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
16014 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
16015 (gimplify_target_expr): Likewise.
16016 (gimplify_cond_expr): Remove target handling.
16017 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
16018 (gimplify_expr): Clobber it here.
16019 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
16020 Do return slot optimization if we have an INIT_EXPR.
16023 * tree-inline.c (declare_return_variable): Also clear
16024 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
16027 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
16029 PR middle-end/22439
16030 * gimplify.c (gimplify_one_sizepos): Fix typo.
16032 2006-02-08 Jeff Law <law@redhat.com>
16034 PR tree-optimization/21417
16035 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
16036 across a backedge if the control statement at the end of the
16037 block is data dependent on other statements in the same block.
16038 (record_temporary_equivalences_from_stmts): Remove over-conservative
16039 test for threading across backedges.
16041 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
16042 control statement, handle all three special cases in the same
16043 manner as they all have the same desired solution. No longer
16044 special case edge flag updating when the post dominator is
16047 2006-02-08 Roger Sayle <roger@eyesopen.com>
16049 * tree.def (CHAR_TYPE): Remove.
16050 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
16051 * dwarf2out.c (base_type_die, is_base_type): Likewise.
16052 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
16053 (gen_string_type_die): Delete unreachable function.
16055 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
16056 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
16057 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
16058 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
16059 * builtins.c (type_to_class): Likewise.
16060 * fold-const.c (fold_convert, build_range_check,
16061 merge_ranges): Likewise.
16062 * expr.c (count_type_elements): Likewise.
16063 * c-pretty-print.c (pp_c_type_specifier): Likewise.
16064 * stor-layout.c (layout_type): Likewise.
16065 * ipa-type-escape.c (type_to_consider): Likewise.
16066 * gimplify.c (omp_firstprivatize_type_sizes,
16067 gimplify_type_sizes): Likewise.
16068 * explow.c (promote_mode): Likewise.
16069 * tree-sra.c (is_sra_scalar_type): Likewise.
16070 * varasm.c (output_constant): Likewise.
16071 * tree-inline.c (remap_type_1): Likewise.
16072 * convert.c (convert_to_pointer, convert_to_real,
16073 convert_to_integer, convert_to_complex): Likewise.
16075 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
16077 * df-scan.c (df_def_record_1): A set destination may
16078 be a parallel regardless of mode.
16080 2006-02-08 Roger Sayle <roger@eyesopen.com>
16083 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
16084 * config/mips/_tilib.c: Remove.
16085 * config/fixtfdi.c: New libgcc source file.
16086 * config/fixunstfdi.c: New source file.
16087 * config/floatditf.c: New source file.
16088 * config/floatunditf.c: New souce file.
16089 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
16090 files above instead of config/mips/_tilib.c.
16091 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
16093 2006-02-08 Jeff Law <law@redhat.com>
16095 PR tree-optimization/26169
16096 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
16099 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
16101 * df.h (DF_REG_SIZE): Return the length of the initialized
16104 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
16106 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
16107 __muldf3): Return a correctly signed zero.
16109 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
16111 * passes.c (register_one_dump_file): Accept the current properties
16112 instead of pass number. Adjust call to dump_register. Remove
16114 (register_dump_files): Now a wrapper around...
16115 (register_dump_files_1): ... this one. Do not modify the pass
16117 (next_pass_1): Cosmetic fix.
16118 (execute_todo): Keep second parameter only. Use curr_properties
16119 instead of fetching it from the pass structure. Check and set
16121 (execute_one_pass): Handle TODO_set_props. Use curr_properties
16122 instead of fetching it from the pass structure. Fix calls to
16123 execute_todo. Update curr_properties and initialize .vcg RTL dump
16124 after running the pass. Reset last_verified.
16125 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
16127 (FIRST_AUTO_NUMBERED_DUMP): New.
16128 (dump_register): Remove "num" parameter, assign it within the
16130 (get_dump_file_name): Modify template for dumps.
16131 * tree-dump.h (dump_register): Adjust prototype.
16132 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
16133 (PROP_trees): Add PROP_gimple_lomp.
16134 (TODO_set_props): New.
16135 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
16136 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
16137 * cfgexpand.c (pass_expand): Destroy PROP_trees.
16139 2006-02-08 Jakub Jelinek <jakub@redhat.com>
16141 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
16142 (sparc64-*-linux*): Likewise.
16143 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
16144 * config/sparc/t-linux: New file.
16145 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
16146 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
16147 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
16148 -m32 -mlong-double-128.
16150 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
16151 * config/alpha/t-linux: New file.
16152 * config/alpha/libgcc-alpha-ldbl.ver: New file.
16154 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
16155 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
16156 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
16157 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
16158 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
16159 (CPP_ARCH32_SPEC): Remove.
16161 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
16163 PR tree-optimization/26145
16164 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
16167 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16170 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
16171 >= 240000 when generating code for SOM runtime.
16172 (output_indirect_call): Don't use "b,l" instruction for indirect calls
16173 to $$dyncall when generating code for SOM runtime..
16175 2006-02-07 Dirk Mueller <dmueller@suse.com>
16178 * doc/invoke.texi (-Wsequence-point): Update documentation
16179 that -Wsequence-point is implemented for C++ as well.
16181 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16183 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16184 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16185 (LIB_SPEC): Likewise.
16186 * doc/invoke.texi (SPARC options): Document -pthread.
16188 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16190 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16193 2006-02-07 Roger Sayle <roger@eyesopen.com>
16195 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16196 Correct comment describing BOOLEAN_TYPE.
16198 2006-02-07 Dirk Mueller <dmueller@suse.com>
16200 * c.opt: C++ frontend supports -Wdiv-by-zero.
16201 * c-opts.c (c_common_handle_option): Remove dead case.
16203 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16205 * configure.ac (TLS assembler check): Do not enable TLS by
16206 default on SPARC/Solaris before version 10.
16207 * configure: Regenerate.
16209 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16211 * doc/invoke.texi (xl-compat): Document conversion and support
16214 2006-02-07 Jeff Law <law@redhat.com>
16216 * tree-vrp.c (find_conditional_asserts): Update comments.
16217 (simplify_stmt_for_jump_threading): New.
16218 (identify_jump_threads, finalize_jump_threads): New.
16219 (vrp_finalize): Call identify_jump_threads.
16220 (execute_vrp): Call finalize_jump_threads.
16221 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16222 (vrp_element, vrp_data, vrp_element_p): Remove.
16223 (vrp_hash_elt, vrp_variables_stack): Remove.
16224 (vrp_hash, vrp_eq, record_range): Remove.
16225 (simplify_cond_and_lookup_avail_expr): Remove.
16226 (extract_range_from_cond): Remove.
16227 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16228 (simplify_stmt_for_jump_threading): New.
16229 (dom_thread_across_edge): New wrapper.
16230 (tree_ssa_dominator_optimize): No longer initialize or
16231 finalize any of the VRP datastructures. Remove iteration
16232 step and simplify as a result of removal of iteration step.
16233 (pass_dominator): Perform a cfg cleanup after DOM.
16234 (dom_opt_finalize_block): Use the new common routines
16235 for threading jumps. Simplify stack management slightly.
16236 No longer need to unwind VRP state.
16237 (record_equivalences_from_incoming_edge): No longer record
16239 (eliminate_redundant_computations): No longer call
16240 simplify_cond_and_lookup_avail_expr.
16241 * tree-flow.h (potentially_threadable_block): Prototype.
16242 (thread_across_edge): Likewise.
16243 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16244 (tree-ssa-threadedge.o): Add dependencies.
16245 * tree-ssa-threadedge.c: New file.
16246 * passes.c (init_optimization_passes): Merge PHIs before
16247 calling VRP. Run VRP again late in the SSA optimization pipeline.
16249 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16251 * df-core.c (df_set_blocks): Do not dereference function pointers.
16252 (df_finish1): Likewise.
16253 (df_hybrid_search_forward): Likewise.
16254 (df_hybrid_search_backward): Likewise.
16255 (df_iterative_dataflow): Likewise.
16256 (df_analyze_problem): Likewise.
16257 (df_compact_blocks): Likewise.
16258 (df_dump): Likewise.
16259 * df-scan.c (df_rescan_blocks): Likewise.
16260 (df_record_entry_block_defs): Likewise.
16262 * genconditions.c (write_conditions): Guard the definition of
16263 'insn_conditions' with the check on GCC version.
16264 (write_writer): Guard the traversal 'insn_conditions' with
16265 the check on GCC version.
16267 2006-02-07 Richard Guenther <rguenther@suse.de>
16271 2006-01-30 Richard Guenther <rguenther@suse.de>
16273 * gimplify.c (gimplify_target_expr): Handle easy cases
16274 without creating a temporary.
16276 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16278 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16279 use of float in probability computations. Use edge probabilities
16280 in place of statically computed probabilities.
16281 (min_spec_prob): New static variable.
16282 (schedule_insns): Initialize it.
16283 (GET_SRC_PROB): Removed.
16284 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16286 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16289 * config/ia64/unwind-ia64.c: Revert last change.
16290 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16291 (INCOMING_FRAME_SP_OFFSET): Define.
16293 2006-02-06 Roger Sayle <roger@eyesopen.com>
16295 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16297 2006-02-07 Ben Elliston <bje@au.ibm.com>
16299 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16300 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16301 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16302 (ix86_return_in_memory): Handle TDmode.
16303 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16304 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16306 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16308 * reorg.c (dbr_schedule): Use dump_file instead of file.
16310 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16313 * config/ia64/predicates.md (extr_len_operand): New predicate.
16314 * config/ia64/ia64.md (extv): Tighten constraints.
16316 (*tbit_and_2): Ditto.
16317 (*tbit_and_3): Ditto.
16318 (*tbit_or_2): Ditto.
16319 (*tbit_or_3): Ditto.
16320 (*bit_zero): Ditto.
16323 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16326 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16328 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16330 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16331 loop_optimizer_init and loop_optimizer_finalize
16332 * tree-ssa-sink.c (execute_sink_code): Ditto.
16333 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16334 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16335 tree_ssa_loop_done): Ditto.
16336 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16337 * sched-ebb.c: Include output.h.
16338 (schedule_ebbs): Do not use dump argument.
16339 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16340 * loop.c (loop_dump_stream): Removed.
16341 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16343 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16344 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16345 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16346 loop_iterations, strength_reduce, record_biv, record_giv,
16347 final_giv_value, check_final_value, check_ext_dependent_givs,
16348 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16349 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16350 dump_file instead of loop_dump_stream.
16351 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16352 argument dump_file.
16353 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16355 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16356 * haifa-sched.c: Include output.h
16357 (schedule_insns, sched_init): Do not use dump argument.
16358 * mode-switching.c (optimize_mode_switching): Ditto.
16359 * modulo-sched.c (stats_file): Removed.
16360 (print_node_sched_params): Do not call argument dump_file.
16361 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16362 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16364 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16366 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16367 rtl_loop_init, rtl_loop_done): Ditto.
16368 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16369 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16371 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16372 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16373 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16374 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16375 * emit-rtl.c (renumber_insns): Ditto.
16376 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16377 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16378 * regclass.c (regclass): Ditto.
16379 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16380 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16381 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16382 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16384 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16385 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16387 * gcse.c (gcse_file, debug_stderr): Removed.
16388 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16389 rest_of_handle_gcse): Do not use dump argument.
16390 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16391 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16392 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16393 compute_code_hoist_vbeinout, compute_code_hoist_data,
16394 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16395 compute_store_table, build_store_vectors, insert_insn_start_bb,
16396 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16397 store_motion): Use dump_file instead of gcse_file.
16398 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16399 * profile.c (profile_dump_file): Removed.
16400 (branch_prob): Use dump_file instead of profile_dump_file.
16401 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16403 * tree-ssa-copy.c (dump_copy_of): Ditto.
16404 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16405 dump file to life_analysis.
16406 * bt-load.c (branch_target_load_optimize): Ditto.
16407 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16409 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16410 regclass, dbr_schedule): Declaration changed.
16411 * sched-int.h (sched_init): Declaration changed.
16412 * tree-profile.c (tree_profile_dump_file): Removed.
16413 (tree_profile_hooks): Removed profile_dump_file hook.
16414 * rtl-profile (rtl_profile_dump_file): Removed.
16415 (rtl_profile_hooks): emoved profile_dump_file hook.
16416 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16418 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16419 * tree-cfg.c (build_tree_cfg): Ditto.
16420 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16421 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16422 Declaration changed.
16423 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16424 life_analysis and schedule_insns.
16425 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16427 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16429 * config/mips/mips.c (mips_reorg): Ditto.
16430 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16433 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16435 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16436 (s390_mangle_fundamental_type): New.
16437 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16440 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16441 (alpha_mangle_fundamental_type): New.
16442 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16445 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16447 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16449 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16450 (sparc_mangle_fundamental_type): New.
16452 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16454 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16455 (s390x-*-linux*): Likewise.
16456 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16457 * config/s390/t-linux: New file.
16459 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16461 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16462 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16464 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16466 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16467 (ANTIC_SAFE_LOADS): New macro.
16468 (find_or_generate_expression): Add prototype.
16469 (set_contains_value): Allow null set for sake of not always having
16470 to allocate ANTIC_SAFE_LOADS.
16471 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16472 Allow COMPONENT_REF too.
16473 (valid_in_set): Allow COMPONENT_REF.
16474 Check ANTIC_SAFE_LOADS too.
16475 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16476 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16478 (can_PRE_operation): Add COMPONENT_REF.
16479 (create_component_ref_by_pieces): New function.
16480 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16481 (insert_aux): Move AGGREGATE_TYPE_P check here.
16482 (compute_avail): Set bb local stmt uids.
16483 (pass_pre): Use TODO_update_ssa_only_virtuals.
16485 2006-02-06 Ben Elliston <bje@au.ibm.com>
16487 * configure.ac: Unconditionally disable decimal float by default.
16488 * configure: Regenerate.
16490 2006-02-06 Ben Elliston <bje@au.ibm.com>
16492 * read-rtl.c (read_name): Terminate reading on EOF.
16494 2006-02-06 Ben Elliston <bje@au.ibm.com>
16496 * dfp.c (decimal_real_arithmetic): Change second argument type
16497 from int to enum tree_code. Do not always return true, but now
16498 return result of any call to decimal_do helper functions.
16499 * dfp.h (decimal_real_arithmetic): Update prototype.
16501 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16503 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16505 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16508 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16511 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16513 * tree-vrp.c (cfg_loops): Removed.
16514 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16515 Use current_loops instead of cfg_loops. Pass flags to
16516 loop_optimizer_init.
16517 * cfgloopmanip.c (fix_loop_structure): Update only available
16519 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16520 loop_optimizer_init.
16521 * modulo-sched.c (build_loops_structure): Removed.
16522 (sms_schedule): Use loop_optimizer_init.
16523 * loop-init.c (loop_optimizer_init): Use flags to determine
16524 which properties of loops to prepare.
16525 (rtl_loop_init): Pass flags to loop_optimizer_init.
16526 * tree-ssa-sink.c (execute_sink_code): Ditto.
16527 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16528 * tree-ssa-pre.c (init_pre): Ditto.
16529 * cfgloop.h (LOOPS_NORMAL): New.
16530 (loop_optimizer_init): Declaration changed.
16532 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16534 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16535 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16537 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16539 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16541 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16542 * pa/t-pa64: Delete quadlib.c rule.
16543 * pa/x-ada: Revert last change.
16544 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16546 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16548 PR rtl-optimization/26087
16549 * rtlanal.c (canonicalize_condition): Do not cross basic block
16552 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16555 * config/ia64/ia64.c: Include debug.h.
16556 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16557 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16558 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16559 (process_epilogue, process_set, process_for_unwind_directive):
16560 Output unwind info only if requested. Add CFA info if requested.
16561 Add new arguments as needed. Adjust callers.
16562 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16564 (DWARF2_FRAME_INFO): Define to zero.
16565 * config/ia64/unwind-ia64.c: Remove code that compensated for
16566 the CFA offset error fixed above.
16567 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16568 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16569 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16570 -funwind-tables and -fexceptions to enable frame info.
16571 (dwarf2out_frame_init): Define initial CFA even if
16572 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16573 DWARF2_UNWIND_INFO is nonzero, not just defined.
16574 (dwarf2out_frame_finish): Output non-EH call frame info only
16575 if DWARF2_FRAME_INFO is nonzero.
16576 (convert_cfa_to_loc_list,
16577 compute_frame_pointer_to_cfa_displacement): Define even if
16578 unwind info is not supported.
16579 (gen_subprogram_die): Use the above unconditionally. Remove
16580 legacy alternate code.
16581 * toplev.c (compile_file): Compile in call to
16582 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16583 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16585 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16586 Jakub Jelinek <jakub@redhat.com>
16588 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16589 IBM extended float format long double as "g" on powerpc*-linux.
16591 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16594 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16595 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16597 2006-02-03 Jason Merrill <jason@redhat.com>
16600 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16602 PR middle-end/25977
16603 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16604 on the return slot if it's an NRV.
16606 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16608 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16609 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16610 rewrite_use): Do not handle USE_OUTER.
16611 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16612 add_iv_outer_candidates, may_replace_final_value,
16613 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16614 (find_interesting_uses_op): Functionality of
16615 find_interesting_uses_outer_or_nonlin moved here.
16616 (find_interesting_uses_outside): Use find_interesting_uses_op.
16618 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16621 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16623 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16624 Ulrich Weigand <uweigand@de.ibm.com>
16627 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16628 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16629 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16630 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16632 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16633 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16634 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16635 Define secondary reloads for TFmode moves.
16636 (constant_modes): Add TFmode.
16637 (NR_C_MODES): Set to 8.
16638 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16640 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16641 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16642 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16643 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16644 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16645 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16646 (FPR mode macro): Add TFmode.
16647 (DSF mode macro): New.
16648 (<de>, <dee> mode attributes): Removed.
16649 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16650 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16651 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16652 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16653 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16654 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16655 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16656 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16657 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16658 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16659 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16660 "*negabs<mode>2", "sqrt<mode>2"):
16661 Changed <de> to <xde>. R constraint replaced by <Rf>.
16662 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16664 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16665 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16666 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16668 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16669 "extenddftf2", "extendsftf2"): New expanders.
16670 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16671 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16672 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16673 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16675 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16676 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16677 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16678 __floatditf): Add a GCC_4.1.0 symbol version tag.
16679 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16682 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16685 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16686 Use targetm.binds_local_p instead of TREE_PUBLIC.
16688 2006-02-02 Roger Sayle <roger@eyesopen.com>
16690 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16691 on INTEGER_TYPEs to indicate that it denotes a character type.
16692 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16693 signed_char_type_node, unsigned_char_type_node and char_type_node.
16694 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16695 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16696 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16698 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16699 Daniel Berlin <dberlin@dberlin.org>
16701 * tree-tailcall.c (arg_needs_copy_p): New function.
16702 (eliminate_tail_call): Use arg_needs_copy_p.
16703 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16704 (add_virtual_phis): New function.
16706 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16708 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16709 #ignore instead of #scratch for %g7 .register directive.
16711 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16713 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16716 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16718 * flow.c (calculate_global_regs_live): Assert that there aren't any
16721 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16723 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16724 what its name says.
16725 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16726 bsi_after_labels iterator.
16727 * tree-if-conv.c (find_phi_replacement_condition,
16728 replace_phi_with_cond_modify_expr): Likewise.
16729 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16730 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16732 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16734 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16736 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16739 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16740 array after growing it.
16742 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16744 PR middle-end/24901
16745 * fold-const.c (fold_checksum_tree): Change type of buf.
16747 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16749 * reload.c (push_secondary_reload): Initialize t_icode.
16751 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16753 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16754 -msoft-float -mlong-double-128 only issue a warning, but don't
16755 swich to DFmode long double.
16757 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16759 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16760 has a constant equivalent, iterate over equivalents for arg0,
16761 calling simplify_relational_operation and if there's a result
16762 cheaper than X, apply fold_rtx and return the result.
16764 2006-02-01 Jan Hubicka <jh@suse.cz>
16766 * opts.c (no_unit_at_a_time_default): New global variable.
16767 (decode_options): Use it.
16768 * opts.h (no_unit_at_a_time_default): Declare.
16770 2006-02-01 Paul Brook <paul@codesourcery.com>
16772 * function.c (assign_parm_setup_reg): Use function argument promotion
16774 * expr.c (expand_expr_real_1): Use function argument promotion rules
16777 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16779 * gcc.c (process_command): Change j to 'unsigned int'.
16781 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16783 PR middle-end/26001
16784 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16785 Use the corrected index for the character
16786 out of the string constant.
16788 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16790 * mode-switching.c (optimize_mode_switching): Fix size
16791 allocated for bb_info[n_entities].
16793 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16795 * gcc.c (main): Correct type that is allocated for
16796 explicit_link_files.
16798 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16800 * config/s390/s390.c (init_alignment_context): Set
16801 ALIAS_SET_MEMORY_BARRIER on the MEM.
16802 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16804 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16806 PR middle-end/25933
16807 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16809 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16812 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16814 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16815 * regrename.c: Ditto.
16816 * tree-ssa-loop-im.c: Ditto.
16817 * tree-dump.c: Ditto.
16818 * tree-complex.c: Ditto.
16819 * genrecog.c: Ditto.
16820 * tree-ssa-threadupdate.c: Ditto.
16822 * java/class.c: Ditto.
16823 * java/jcf-parse.c: Ditto.
16824 * java/resource.c: Ditto.
16825 * java/except.c: Ditto.
16826 * java/jvspec.c: Ditto.
16827 * java/jcf-write.c: Ditto.
16828 * java/jcf-path.c: Ditto.
16829 * java/gjavah.c: Ditto.
16830 * java/zextract.c: Ditto.
16831 * java/jcf-io.c: Ditto.
16832 * java/jcf.h: Ditto.
16833 * java/buffer.c: Ditto.
16834 * java/lang.c: Ditto.
16835 * java/parse-scan.y: Ditto.
16836 * java/lex.c: Ditto.
16837 * java/lex.h: Ditto.
16838 * cfgloopmanip.c: Ditto.
16839 * postreload-gcse.c: Ditto.
16840 * tree-ssa-loop-manip.c: Ditto.
16841 * postreload.c: Ditto.
16842 * tree-ssa-loop-ch.c: Ditto.
16845 * cppspec.c: Ditto.
16846 * diagnostic.c: Ditto.
16848 * genoutput.c: Ditto.
16850 * cfghooks.c: Ditto.
16851 * cfgloopanal.c: Ditto.
16852 * objc/objc-act.c: Ditto.
16854 * genextract.c: Ditto.
16855 * genautomata.c: Ditto.
16856 * pretty-print.c: Ditto.
16857 * genemit.c: Ditto.
16858 * cgraphunit.c: Ditto.
16860 * df-scan.c: Ditto.
16861 * haifa-sched.c: Ditto.
16862 * dominance.c: Ditto.
16864 * tree-ssa-loop-ivopts.c: Ditto.
16865 * df-core.c: Ditto.
16866 * mode-switching.c: Ditto.
16867 * modulo-sched.c: Ditto.
16869 * ipa-pure-const.c: Ditto.
16871 * fix-header.c: Ditto.
16873 * tree-stdarg.c: Ditto.
16874 * ipa-utils.c: Ditto.
16875 * loop-init.c: Ditto.
16876 * ipa-inline.c: Ditto.
16877 * cfganal.c: Ditto.
16879 * alloc-pool.c: Ditto.
16880 * dwarf2out.c: Ditto.
16882 * genattrtab.c: Ditto.
16883 * tree-ssa-loop-ivcanon.c: Ditto.
16884 * predict.c: Ditto.
16885 * timevar.c: Ditto.
16887 * fortran/gfortranspec.c: Ditto.
16888 * regmove.c: Ditto.
16889 * local-alloc.c: Ditto.
16890 * langhooks.c: Ditto.
16891 * function.c: Ditto.
16892 * tree-vectorizer.c: Ditto.
16894 * ipa-type-escape.c: Ditto.
16896 * tree-if-conv.c: Ditto.
16897 * profile.c: Ditto.
16899 * tree-data-ref.c: Ditto.
16900 * loop-unroll.c: Ditto.
16901 * treelang/treetree.c: Ditto.
16903 * bt-load.c: Ditto.
16904 * ggc-common.c: Ditto.
16906 * coverage.c: Ditto.
16908 * tree-cfgcleanup.c: Ditto.
16909 * tree-ssa-pre.c: Ditto.
16910 * cfgcleanup.c: Ditto.
16911 * loop-invariant.c: Ditto.
16912 * loop-iv.c: Ditto.
16913 * ipa-prop.c: Ditto.
16914 * print-tree.c: Ditto.
16915 * conflict.c: Ditto.
16916 * ggc-page.c: Ditto.
16917 * sched-deps.c: Ditto.
16918 * regclass.c: Ditto.
16919 * tree-object-size.c: Ditto.
16920 * combine.c: Ditto.
16921 * bb-reorder.c: Ditto.
16922 * resource.c: Ditto.
16923 * var-tracking.c: Ditto.
16924 * cfgloop.c: Ditto.
16925 * df-problems.c: Ditto.
16926 * reg-stack.c: Ditto.
16928 * gccspec.c: Ditto.
16929 * sched-rgn.c: Ditto.
16930 * tree-ssa-structalias.c: Ditto.
16931 * tree-ssa-reassoc.c: Ditto.
16932 * config/darwin-c.c: Ditto.
16933 * config/darwin.c: Ditto.
16934 * config/arm/arm.c: Ditto.
16936 * collect2.c: Ditto.
16937 * reload1.c: Ditto.
16939 2006-01-31 Nicolas Pitre <nico@cam.org>
16941 * arm.md (smaxsi3): Make aware of smax_m1.
16944 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16946 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16948 2006-01-31 Richard Guenther <rguenther@suse.de>
16950 * doc/invoke.texi (-msselibm): Document.
16951 * target.h (expand_library_builtin): New target hook.
16952 * builtins.c (expand_builtin): Use expand_library_builtin.
16953 (default_expand_library_builtin): New function.
16954 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16955 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16956 (link_gcc_math_spec): Declare.
16957 (static_specs): Add link_gcc_math_spec.
16958 * expr.h (default_expand_library_builtin): Declare.
16959 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16960 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16961 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16962 * config/i386/i386.opt (msselibm): New target option.
16963 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16964 (ix86_init_sse_abi_builtins): New function.
16965 (ix86_expand_library_builtin): Likewise.
16966 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16967 (override_options): Handle error conditions wrt -msselibm.
16968 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16969 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16970 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16973 2006-01-31 Richard Guenther <rguenther@suse.de>
16974 Paolo Bonzini <bonzini@gnu.org>
16976 * doc/install.texi (--disable-libgcc-math): Document.
16978 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16980 * expr.h (expand_normal): new inline function.
16981 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16982 * dojump.c: use it.
16983 * dwarf2out.c: use it.
16986 * expmed.c: use it.
16987 * except.c: use it.
16988 * config/sparc/sparc.c: use it.
16989 * config/i386/i386.c: use it.
16990 * config/rs6000/rs6000.c: use it.
16991 * config/arm/arm.c: use it.
16992 * config/mips/mips.c: use it.
16993 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16995 2006-01-30 Roger Sayle <roger@eyesopen.com>
16997 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16998 argv to the appropriate type.
17000 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
17002 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
17005 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
17008 * config/s390/s390.c (struct machine_function): New flag
17009 decomposed_literal_pool_addresses_ok_p.
17010 (s390_reorg): Set it before final stage of literal pool transforms.
17011 (s390_decompose_address): Only accept displacements of the form
17012 (minus (label_ref ...) (label_ref ...)) if that flag is set.
17014 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
17016 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
17017 the comparison routine return.
17019 2006-01-30 Michael Matz <matz@suse.de>
17021 * global.c (find_reg): Only evict for global regs.
17022 Take n_refs into account and dump more info.
17024 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
17027 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
17028 (pragma_trap, pragma_nosave_low_regs): Likewise.
17029 (current_function_anonymous_args): Likewise.
17030 (sh_deferred_function_attributes): New variable.
17031 (sh_deferred_function_attributes_tail): Likewise.
17032 (print_operand): For '@', look up trap_exit attribute.
17033 (calc_live_regs): Look up trapa_handler attribute. For trapa
17034 handlers, save/restore fpscr, but don't do any other
17035 interrupt-specific saves.
17036 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
17037 Fix check for partially saved registers to check for SHmedia.
17038 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
17039 (sh_output_function_epilogue): Don't clear any of the removed
17041 (sh_insert_attributes): Don't check pragma_interrupt.
17042 Insert deferred attributes. Check that interrupt attribute is
17043 present for other attributes that require its presence.
17044 (sh_attribute_table): Add new attributes trapa_handler and
17046 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
17047 Don't check for pragma_interrupt. Don't store argument.
17048 * sh.h (pragma_interrupt, sp_switch): Don't declare.
17049 (sh_deferred_function_attributes): Declare.
17050 (sh_deferred_function_attributes_tail): Likewise.
17051 * sh.md (sp_switch_1): Add operand. Change generator caller.
17052 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
17053 (*return_i): Don't use when trap_exit attribute is in effect.
17054 (*return_trapa): New insn pattern.
17055 * sh-c.c: New file.
17056 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
17057 setting c_target_objs and cxx_target_objs.
17058 * t-sh: Add rule for sh-c.o.
17060 2006-01-30 Richard Guenther <rguenther@suse.de>
17063 * gimplify.c (gimplify_target_expr): Handle easy cases
17064 without creating a temporary.
17066 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
17068 * vec.h (safe_grow): Remove duplicated line.
17070 2006-01-29 Diego Novillo <dnovillo@redhat.com>
17073 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
17074 (expand_omp): ... here.
17075 (expand_omp_parallel): Only remove barriers for combined
17076 parallel+workshare constructs.
17078 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
17082 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
17083 * tree.c (build_qualified_type): Chain the new type to the original
17084 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
17085 a POINTER_TYPE or a REFERENCE_TYPE respectively.
17086 (build_pointer_type_for_mode): Only return unqualified types.
17087 (build_reference_type_for_mode): Likewise.
17089 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
17091 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
17092 * Makefile.in (CXX_COMPAT_WARN): Define.
17093 * configure: Regenerate.
17095 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
17098 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
17101 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17103 * toplev.c: Fix thinko.
17105 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17106 Marcin Dalecki <martin@dalecki.de>
17108 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
17109 (push_srcloc): Use XNEW.
17110 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
17112 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
17114 * df-core.c (df_set_blocks): Deleted all variable.
17116 2006-01-28 Ian Lance Taylor <ian@airs.com>
17118 * cgraphunit.c (cgraph_assemble_pending_functions): Call
17119 cgraph_output_pending_asms.
17121 2006-01-28 Zack Weinberg <zackw@panix.com>
17123 * c.opt: Add -W(no-)overlength-strings.
17124 * doc/invoke.texi: Document it.
17125 * c-opts.c (c_common_handle_option): -pedantic implies
17126 -Woverlength-strings, if not explicitly disabled already.
17127 (c_common_post_options): -Woverlength-strings defaults to off, and
17128 is always off for C++.
17129 * c-common.c (fix_string_type): Issue warning about strings longer
17130 than is portable only if warn_overlength_strings. Rearrange code
17131 a little for clarity.
17132 * configure.in: Check for -Wno-overlength-strings as well before
17133 enabling -pedantic in stage 1.
17134 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
17135 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
17137 * genconditions.c (write_header, write_one_condition)
17138 (write_conditions, write_writer): Consolidate very long strings
17139 that were broken up to fit in C89 portable limit. Don't use
17140 printf when fputs will do.
17142 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
17144 * combine.c (simplify_comparison <AND>): Check
17145 TRULY_NOOP_TRUNCATION before start using a subreg.
17147 * config/mips/mips.md (*branch_zero<mode>,
17148 *branch_zero<mode>_inverted, *branch_equality<mode>,
17149 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
17150 Remove mode check from comparisons.
17152 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
17154 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
17156 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17158 * expmed.c (const_mult_add_overflow_p): Remove.
17159 * expr.h: Remove the prototype for const_mult_add_overflow_p.
17161 * recog.c (validate_replace_rtx_subexp): Remove.
17162 * recog.h: Remove the prototype for
17163 validate_replace_rtx_subexp.
17165 * integrate.h: Remove the prototype for
17166 copy_decl_for_inlining.
17167 * rtl.h: Remove the prototype for mark_constant_function.
17168 * tree-vectorizer.h: Remove the prototype for
17169 vect_strip_conversion.
17171 * modulo-sched.c (create_partial_schedule,
17172 free_partial_schedule, reset_partial_schedule): Make them
17175 * hooks.c (hook_bool_rtx_int_false): Remove.
17176 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17178 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17180 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17181 and -mlong-double-128 are incompatible.
17182 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17183 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17184 (TARGET_LIBGCC2_CFLAGS): Define.
17185 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17186 (TARGET_LIBGCC2_CFLAGS): Same.
17187 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17189 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17192 * c-typeck.c (build_binary_op): Perform implicit casts of
17193 operands before shortening them.
17195 * cfgloopmanip.c (split_loop_bb): Remove.
17196 * cfgloop.h: Remove the prototype for split_loop_bb.
17198 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17199 * cfgloop.h: Remove the prototype for
17200 flow_loop_outside_edge_p.
17202 * emit-rtl.c (init_virtual_regs): Make it static.
17203 * function.h: Remove the prototype for init_virtual_regs.
17205 * recog.c (peephole2_optimize): Make it static.
17206 * recog.h: Remove the prototype for peephole2_optimize.
17208 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17210 * df-scan.c (df_record_entry_block_defs): Check if
17211 INCOMING_RETURN_ADDR_RTX is defined.
17213 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17214 Kenneth Zadeck <zadeck@naturalbridge.com>
17216 PR rtl-optimization/24762
17217 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17218 * targhooks.c (hook_void_bitmap): New hook prototype.
17219 * targhoohs.h (hook_void_bitmap): Ditto.
17220 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17221 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17222 * target.h (live_on_entry): New function pointer.
17223 * df-scan.c (df_all_hard_regs): Removed.
17224 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17225 (df_scan_free_internal): Added df->entry_block_defs.
17226 (df_scan_alloc): Ditto.
17227 (df_scan_dump): Ditto.
17228 (df_uses_record): Plumbed flag field properly thru calls.
17229 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17230 This part fixes PR24762.
17231 (df_bb_refs_record): Added code to make the frame and arg
17232 pointers live in EH blocks.
17233 (df_refs_record): Added call to df_record_entry_block_defs.
17234 (df_record_entry_block_defs): New function.
17235 * df-core.c: Added comments to describe new artifical defs.
17236 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17237 (entry_block_defs): New field in struct df.
17238 (df_all_hard_regs): Deleted.
17239 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17240 * df-problems.c (df_ru_bb_local_compute_process_def):
17241 Added code to handle artifical defs in the entry to a function.
17242 (df_ru_bb_local_compute): Ditto.
17243 (df_rd_bb_local_compute_process_def): Ditto.
17244 (df_rd_bb_local_compute): Ditto.
17245 (df_lr_bb_local_compute): Ditto.
17246 (df_ur_bb_local_compute): Ditto.
17247 (df_urec_bb_local_compute): Ditto.
17248 (df_chain_create_bb): Ditto.
17249 (df_ur_local_finalize): Removed entry.
17250 (df_urec_init): Ditto.
17251 (df_urec_local_finalize): Ditto.
17252 (df_ri_bb_compute): Added detection of last use of pseudos.
17253 * Makefile.in (df-scan.o): Updated dependencies.
17254 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17255 * config/mips/mips.c (mips_set_live_on_entry): Added.
17256 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17258 * dce.c (marked_insn_p): Added code to handle artifical defs.
17260 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17262 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17264 (_mm_cvtsi128_si64): Likewise.
17265 (_mm_cvtsd_si64): Likewise.
17266 (_mm_cvttsd_si64): Likewise.
17267 (_mm_cvtsi64_sd): Likewise.
17268 (_mm_cvtsi64_si128): Likewise.
17269 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17270 (_mm_cvtsi64_m64): Likewise.
17271 (_m_to_int64): Likewise.
17272 (_mm_cvtm64_si64): Likewise.
17273 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17274 (_mm_cvttss_si64): Likewise.
17275 (_mm_cvtsi64_ss): Likewise.
17276 (_mm_cvtss_f32): Likewise.
17278 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17280 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17281 for pragma redefine_extname.
17283 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17286 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17287 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17288 -mno-minimal-toc to previous content.
17289 (bispecs): Remove goal.
17290 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17291 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17292 compatibility aliases on powerpc-*-*gnu*.
17293 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17294 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17295 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17296 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17297 (ldblspecs): New goal.
17298 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17299 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17301 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17302 L_sf_to_tf or L_df_to_tf is defined.
17304 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17305 Alan Modra <amodra@bigpond.net.au>
17308 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17309 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17310 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17311 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17312 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17313 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17314 (rs6000_override_options): Initialize rs6000_ieeequad.
17315 Initialize TFmode format to ibm_extended_format if not
17317 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17319 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17320 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17321 (function_arg_advance): IBM long double passed in two FPRs, not
17323 (function_arg): IBM long double passed in FPRs.
17324 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17325 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17326 Only multireg GPR aligned.
17327 (rs6000_init_libfuncs): Enable IBM long double functions if not
17329 (rs6000_generate_compare): Use IBM long double compare if not
17331 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17332 (TARGET_IEEEQUAD): Define.
17333 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17334 not TARGET_IEEEQUAD.
17335 * config/rs6000/rs6000.md: Enable TFmode patterns if
17337 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17338 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17339 and -mlong-double-128 are incompatible.
17340 * doc/invoke.texi (-mabi): Collect options together. Add
17341 ibmlongdouble and ieeelongdouble.
17343 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17345 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17347 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17348 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17349 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17350 * rtl.h (rtunion_def): Remove rt_ptr.
17352 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17353 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17354 * config/i386/winnt.c (i386_pe_mark_dllexport)
17355 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17357 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17359 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17361 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17365 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17366 pthread_key_delete. From John David Anglin. gthrw-ify
17367 pthread_getunique_np only if it it's not a macro. Delete
17369 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17370 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17371 __gthread_objc_condition_signal, __gthread_key_delete): Add
17372 "__attribute__ ((__unused__))" to unused arguments.
17373 (__gthread_recursive_mutex_init_function): Add missing return.
17374 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17375 gthr-posix95.h: Use macro-based approach for name redirection
17376 on targets missing weakref.
17378 2006-01-26 Zack Weinberg <zackw@panix.com>
17380 * genconditions.c (write_header): In generated code, #ifdef out
17381 all includes and fake declarations, except includes of bconfig.h
17382 and system.h, unless GCC_VERSION >= 3001. Do not include
17383 gensupport.h in any case.
17384 (write_conditions): Generate a definition of struct c_test. Add
17385 a comment to the generated #endif.
17386 (write_one_condition): Escape backslashes in string too.
17387 (write_writer): Generated code must escape backslashes and quote
17388 marks (but not newlines) in the strings it writes.
17389 * Makefile.in (build/gencondmd.o): Update dependencies.
17391 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17394 * Makefile.in (insn-automata.o): Add header file dependencies.
17395 * genautomata.c: Add includes.
17397 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17400 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17402 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17404 * configure.ac: Expect target tools paths to be passed from the toplevel
17405 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17407 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17409 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17412 * c.opt (Wpointer-sign): Init to -1.
17413 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17414 OPT_pedantic, to 0 otherwise.
17415 * doc/invoke.texi: Update.
17417 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17419 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17420 constants provided by 80387 instructions in the destination mode.
17422 2006-01-26 Richard Guenther <rguenther@suse.de>
17423 Andrew Pinski <pinskia@physics.uc.edu>
17426 partial PR tree-opt/17064
17427 * tree-ssa-structalias.c (intra_create_variable_infos):
17428 Create heap variables for incoming parameters if
17429 flag_argument_noalias > 1.
17430 (find_what_p_points_to): Look through default defs of
17433 2006-01-26 Jeff Law <law@redhat.com>
17436 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17437 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17438 within the VR_RANGE, use the VR_RANGE as the result, not the
17440 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17441 bounds for the type.
17443 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17445 * tree-ssa-alias.c (maybe_create_global_var): Change
17446 subvar walking to an assertion that we don't have subvar'd variables.
17448 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17451 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17452 Use a new variable, inner. PARM_DECLs are always non-weak.
17454 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17456 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17457 --disable-checking.
17459 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17461 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17463 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17465 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17466 (smax_insn, smin_insn, smax_0, smin_0): New.
17468 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17471 * config/cris/cris.c (cris_order_for_addsi3): New function.
17472 * config/cris/cris-protos.h: Prototype it.
17473 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17474 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17475 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17476 (split for "op.S1 [rx=rx+i],ry (swapped)")
17477 (split for "op(s|u).S1 [rx=rx+i],ry")
17478 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17479 Apply cris_order_for_addsi3 when generating addsi3 insns.
17481 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17483 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17484 (TREE_BLOCK): Add call to EXPR_CHECK.
17486 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17489 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17490 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17491 (dump_omp_clauses): ... here.
17492 (dump_generic_node): Handle OMP_CLAUSE.
17493 * tree.c (omp_clause_num_ops): New.
17494 (omp_clause_code_name): New.
17495 (tree_code_size): Handle OMP_CLAUSE.
17496 (tree_size): Likewise.
17497 (make_node): Document handling of OMP_CLAUSE.
17498 (tree_node_structure): Handle OMP_CLAUSE.
17499 (omp_clause_check_failed): New.
17500 (omp_clause_range_check_failed): New.
17501 (omp_clause_operand_check_failed): New.
17502 (build_omp_clause): New.
17503 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17504 * tree.h (enum omp_clause_code): Declare.
17505 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17506 (OMP_CLAUSE_RANGE_CHECK): Define.
17507 (OMP_CLAUSE_ELT_CHECK): Define.
17508 (omp_clause_check_failed): Declare.
17509 (omp_clause_operand_check_failed): Declare.
17510 (omp_clause_range_check_failed): Declare.
17511 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17512 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17513 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17514 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17515 (OMP_CLAUSE_IF_EXPR): Likewise.
17516 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17517 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17518 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17519 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17520 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17521 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17522 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17523 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17524 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17525 (OMP_CLAUSE_CODE): Define.
17526 (OMP_CLAUSE_SET_CODE): Define.
17527 (OMP_CLAUSE_CODE): Define.
17528 (OMP_CLAUSE_OPERAND): Define.
17529 (struct tree_omp_clause): Declare.
17530 (union tree_node): Add field 'omp_clause'.
17531 * treestruct.def (TS_OMP_CLAUSE): Define.
17532 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17533 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17534 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17535 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17536 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17537 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17538 (OMP_CLAUSE): Define.
17539 * print-tree.c (print_node): Handle OMP_CLAUSE.
17540 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17541 * c-typeck.c: Likewise.
17542 * gimplify.c: Likewise.
17543 * c-omp.c: Likewise.
17544 * tree-nested.c: Likewise.
17545 * tree-inline.c: Likewise.
17546 * c-parser.c: Likewise.
17547 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17550 2006-01-25 Roger Sayle <roger@eyesopen.com>
17552 PR rtl-optimization/25703
17553 * combine.c (try_combine): Handle zero_extract and strict_low_part
17554 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17556 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17558 * global.c: Fix comment typos.
17560 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17563 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17564 Use output_addr_const instead of assemble_name.
17566 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17568 * Makefile.in (sched-vis.o): Update dependencies.
17569 * haifa-sched.c (sched_finish): Clear current_sched_info.
17570 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17571 (dump_flow_info): Call it.
17572 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17574 * basic-block.h (dump_bb_info): Declare.
17575 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17576 option, and apply options only for dump files whose TDF_RTL,
17577 TDF_TREE, or TDF_IPA bits match.
17578 * rtl.h: Declare new functions exported from sched-vis.c.
17579 * sched-vis.c: Enable also if scheduling is not used.
17580 (print_value): Print the mode of registers if not inside scheduling.
17581 (print_insn): Make it work outside the scheduler. Beautify the output
17583 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17585 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17587 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17588 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17589 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17590 depending on the value of CONSTANT_POOL_ADDRESS_P.
17591 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17593 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17594 rather than SYMBOL_REF_DECL.
17595 (rtx_constant_pool): Remove const_rtx_sym_htab.
17596 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17597 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17598 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17599 Remove handling of const_rtx_sym_htab.
17600 (find_pool_constant): Delete.
17601 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17602 rather than find_pool_constant.
17603 (get_pool_constant_for_function): Delete.
17604 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17605 find_pool_constant.
17606 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17607 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17608 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17609 (SYMBOL_REF_CONSTANT): New macro.
17610 (get_pool_constant_for_function): Delete.
17611 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17612 rather than SYMBOL_REF_DECL.
17613 (i386_pe_mark_dllimport): Likewise.
17614 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17615 rather than SYMBOL_REF_DECL.
17616 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17617 (machopic_indirect_call_target): Likewise.
17619 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17621 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17623 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17625 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17627 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17629 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17631 2006-01-24 David Daney <ddaney@avtrex.com>
17634 * configure.ac (enable_tls): New enable option.
17635 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17636 * configure: Regenerate.
17637 * doc/install.texi (--enable-tls): Document new option.
17638 (--disable-tls): Ditto.
17640 2006-01-24 Richard Henderson <rth@redehat.com>
17642 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17643 * alias.c (true_dependence): Respect it.
17644 (canon_true_dependence, write_dependence_p): Likewise.
17645 * builtins.c (get_builtin_sync_mem): Set it.
17647 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17649 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17652 2006-01-24 DJ Delorie <dj@redhat.com>
17654 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17655 for storing constants in single-bit bitfields.
17657 2006-01-25 Ben Elliston <bje@au.ibm.com>
17659 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17661 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17664 * tree-ssa-pre.c (phi_translate): Return NULL
17665 for AGGREGATE_TYPE's.
17667 2006-01-24 Zack Weinberg <zackw@panix.com>
17669 * genautomata.c (process_state_for_insn_equiv_partition):
17670 Use xcalloc for insn_arcs_array.
17671 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17672 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17674 2006-01-24 Richard Henderson <rth@redhat.com>
17676 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17677 update all callers.
17679 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17681 PR rtl-optimization/25890
17682 PR rtl-optimization/25905
17683 * combine.c (expand_compound_operation, expand_field_assignment):
17684 Fail if the bitfield's final position is out of bounds.
17686 2006-01-24 Ian Lance Taylor <ian@airs.com>
17688 PR middle-end/25930
17689 * cgraphunit.c (cgraph_output_in_order): Don't clear
17690 cgraph_asm_nodes until after asm strings have been output.
17692 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17694 * fix-header.c (read_scan_file): Add new parameter imultilib when
17695 calling register_include_chains.
17697 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17699 * omp-low.c: Update documentation.
17701 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17702 Daniel Berlin <dberlin@dberlin.org>
17706 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17707 return from the function.
17709 2006-01-22 Zack Weinberg <zackw@panix.com>
17711 * rtl.def (match_code): Add second argument.
17712 * genpreds.c (write_extract_subexp): New function.
17713 (write_match_code): Add path argument. Use write_extract_subexp.
17714 (write_predicate_expr): Pass path to write_match_code.
17715 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17716 not perform a mode test.
17717 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17718 a subexpression does not constrain the top-level code set.
17719 * read-rtl.c (read_rtx_variadic): New function.
17720 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17721 * doc/md.texi: Document new notation.
17722 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17723 (cmpsi_operand): ... here, using new notation.
17725 2006-01-22 Zack Weinberg <zackw@panix.com>
17727 * varray.c: Remove GENERATOR_FILE #ifdefs.
17729 2006-01-22 Zack Weinberg <zackw@panix.com>
17731 * genautomata.c (output_reserved_units_table): Emit nothing if
17732 description->query_units_num is zero. Remove extra blank line.
17733 (output_cpu_unit_reservation_p): Short circuit
17734 if description->query_units_num is zero.
17736 2006-01-22 Zack Weinberg <zackw@panix.com>
17738 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17739 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17740 nor any of the random handful of variables that used to be necessary
17741 when this program was linked with rtlanal.o. Prune set of forward
17742 function declarations.
17743 (struct attr_desc): Remove static_p field.
17744 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17745 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17746 (attr_string): Do not read the character one past the length of
17748 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17749 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17750 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17751 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17752 (make_automaton_attrs): New.
17753 (main): Do not call into genautomata. Call local gen_bypass
17754 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17755 Remove special case for insn_alts.
17756 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17757 varray.h (leftover from previous change). Prune set of forward
17758 function declarations. Remove state_alts fields from all
17759 structures. Remove state_alts_table from struct automaton.
17760 Make everything except main static. Do not maintain num_dfa_decls.
17761 Do not maintain state_alts fields of various structures.
17762 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17763 (add_arc): Remove state_alts argument. All callers updated.
17764 (output_reserved_units_table): Emit #ifdef here...
17765 (output_tables): ...not here. Don't generate state_alts tables.
17766 (expand_automata): Don't generate attributes.
17767 (write_automata): Don't generate state_alts functions.
17768 (main): New function.
17769 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17770 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17771 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17772 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17773 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17774 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17775 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17776 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17778 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17779 * genattrtab.h: Delete file.
17780 * Makefile.in (OBJS-common): Add insn-automata.o.
17781 (insn-automata.o): New rule.
17782 (simple_generated_c): Add insn-automata.c.
17783 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17784 (genprogmd): Add automata.
17785 (build/genattrtab): Needs no extra objects nor libraries.
17786 (build/genautomata): Needs build/vec.o and -lm.
17788 2006-01-22 Zack Weinberg <zackw@panix.com>
17790 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17791 (output_dfa_max_issue_rate, locked_states_num): Delete.
17792 (struct automaton): Add locked_states field.
17793 (output_dead_lock_vect): Save number of locked states in
17794 automaton->locked_states. If it is zero, don't print anything.
17795 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17796 (output_internal_dead_lock_func): Only test the dead_lock_vect
17797 for automata that have locked states.
17798 (output_statistics): Always print the number of locked states for
17799 each automaton. Calculate total number of locked states here.
17800 (write_automata): Don't call output_dfa_max_issue_rate.
17801 * genattrtab.c: Define length_unit_log as a const variable.
17802 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17803 max_insn_queue_index const.
17804 * final.c (length_unit_log): Declare const.
17805 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17807 2006-01-22 Zack Weinberg <zackw@panix.com>
17809 * genautomata.c: Include vec.h, not varray.h.
17810 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17811 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17812 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17813 VEC_* macros operating on appropriately typed vectors, or to
17814 malloced arrays when the size is known in advance. Const-ify
17815 many char* variables and function arguments. No functional changes.
17816 * Makefile.in (build/varray.o): Delete rule.
17817 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17818 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17820 2006-01-22 Zack Weinberg <zackw@panix.com>
17822 * gensupport.c: Define get_insn_name and record_insn_name here.
17823 (read_md_rtx): Call record_insn_name as appropriate.
17824 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17825 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17826 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17828 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17829 (BUILD_VARRAY): Delete.
17830 (genprognormal): Rename genprogmd. Fold in all programs from
17831 genprognoprint; also attrtab.
17832 (build/genattrtab): Just mention genautomata.o and varray.o.
17833 Reorganize a bit, add comments to make the categories clearer.
17835 2006-01-22 Zack Weinberg <zackw@panix.com>
17837 * genconditions.c (condition_table, add_condition): Delete.
17838 (write_conditions): Don't emit n_insn_conditions nor
17839 insn_elision_unavailable. Issue the gcc version #ifdef here,
17840 inside the table, with no #else clause ...
17841 (write_header): ...not here.
17842 (write_writer): New function.
17843 (main): Don't initialize condition_table. Use add_c_test.
17845 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17846 files on the command line.
17847 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17848 Return -1 if there is no entry in the table, don't abort.
17849 (add_c_test, traverse_c_tests): New functions.
17850 * gensupport.h (insn_elision_unavailable, insn_conditions)
17851 (n_insn_conditions): Delete declarations.
17852 (add_c_test, traverse_c_tests): Declare.
17853 * read-rtl.c: Include gensupport.h.
17854 (read_conditions): New function.
17855 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17856 (read_rtx_1): If we get EOF when we were looking for an initial
17857 open paren, return 0. Call read_conditions when appropriate.
17858 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17859 dummy-conditions.o. Eliminate references to insn-conditions.o,
17860 or change them to build/gencondmd.o, as appropriate. Remove
17861 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17862 from $(simple_generated_c). For all files remaining in those
17863 two lists, add insn-conditions.md to the generator command line.
17864 Give insn-constants.h/s-constants their own rules. Add rules
17865 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17866 (build/read-rtl.o): Depend on gensupport.h.
17867 (genprognormal): Include preds.
17868 (genprogearly): Rename genprognoprint; only difference is now that
17869 they don't link with $(BUILD_PRINT).
17870 * dummy-conditions.c: Delete.
17872 2006-01-22 Zack Weinberg <zackw@panix.com>
17874 * genextract.c: Don't include insn-config.h. Do include vec.h.
17875 Declare vectors of int, char, and locstr.
17876 (locstr): New typedef.
17877 (struct extraction): Make all array fields into bare pointers.
17878 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17879 (insn_code_number): Delete.
17880 (accum_extract): New struct.
17881 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17882 (gen_insn): Take insn_code_number as an argument. Use an
17883 accum_extract structure instead of loading data directly into
17884 a struct extraction, and having to know how big it might get.
17885 (walk_rtx): Operate entirely on an accum_extract structure.
17886 (print_path): Avoid unnecessary use of printf.
17887 (print_header): New function, split out of main. Distinguish
17888 more carefully between an unrecognizable insn and an insn that
17889 has the code number of a define_expand.
17890 (main): Pass insn_code_number to gen_insn. Call print_header
17891 only after parsing. Avoid unnecessary use of printf.
17892 * Makefile.in (build/vec.o): New rule.
17893 (build/genextract): Depend on build/vec.o.
17894 (build/genextract.o): Don't depend on insn-config.h.
17896 2006-01-22 Zack Weinberg <zackw@panix.com>
17898 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17899 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17900 practical. Eliminate per-generator-program link rules.
17902 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17904 PR middle-end/24437
17905 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17906 with a call expr to ...
17907 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17909 2006-01-23 Richard Guenther <rguenther@suse.de>
17911 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17912 before make_edge with conditional EDGE_TRUE_VALUE.
17914 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17915 Jan Hubicka <jh@suse.cz>
17916 Richard Guenther <rguenther@suse.de>
17918 PR rtl-optimization/25654
17919 * cfgexpand.c (aggregate_contains_union_type): New function.
17920 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17921 for structure variables that contain a union type.
17923 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17925 * gengtype.c (new_structure): Return the structure.
17926 (create_option): Add an extra "next" argument.
17927 (create_field): New function.
17928 (adjust_field_rtx_def): Use create_option and create_field.
17929 Remove a now-unnecessary call to find_structure.
17930 (adjust_field_tree_def): Likewise.
17931 (note_yacc_type): Remove an unnecessary call to find_structure.
17932 * gengtype.h (new_structure): Return the structure.
17933 (create_option): Add an extra argument.
17934 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17935 (option): Adjust calls to create_option.
17937 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17939 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17941 2006-01-22 Paul Brook <paul@codesourcery.com>
17942 Peter Barada <peter@the-baradas.com>
17944 * config/m68k/m68k.md: Add Coldfire FPU support.
17945 Define FP mode macro and associated attributes.
17946 Use it for float mode patterns.
17947 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17948 (LIBCALL_VALUE): Use m68k_libcall_value.
17949 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17950 (m68k_function_value): Ditto.
17951 (emit_move_sequence): Ditto.
17952 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17953 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17954 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17955 (MULTILIB_EXCEPTIONS): Ditto.
17956 * config/m68k/m68k.opt: Add mcfv4e.
17957 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17958 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17959 (m68k_output_function_prologue): Save ColdFire FPU registers.
17960 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17961 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17962 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17963 ColdFire FPU registers.
17964 (m68k_libcall_value, m68k_function_value): New functions.
17965 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17966 (LIBCALL_VALUE): Use m68k_libcall_value.
17967 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17968 (MASK_COLDFIRE): Add MASK_CFV4E.
17969 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17970 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17971 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17972 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17973 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17974 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17975 * doc/invoke.tex: Document -mcfv4e on m68k.
17977 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17979 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17982 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17985 * c-opts.c (c_common_handle_option): Don't include
17986 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17987 * doc/invoke.texi (C++ Dialect Options): Document that
17988 -Wnon-virtual-dtor is no longer included in -Wall.
17990 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17992 * gcov.c (print_version), gcov-dump.c (print_version),
17993 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17996 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17998 * df-scan.c (problem_SCAN): Added NULL reset function.
17999 (df_scan_reset_blocks): Added code to call reset block function
18000 (df_bb_refs_delete) Fixed comment.
18001 (df_insn_refs_delete): Made tolerant of deleting non existent info
18002 for dataflow problems that need to be reset.
18003 * df-core.c (df_set_blocks): Ditto.
18004 * df.h (struct df_problem): Added reset_fun.
18005 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
18006 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
18007 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
18008 functions to clear out all references to def-use or use-def chains.
18010 2006-01-21 Ben Elliston <bje@au.ibm.com>
18012 * varasm.c (assemble_real): Initialise data array.
18014 2006-01-20 Paul Brook <paul@codesourcery.com>
18016 Merge from csl-arm-branch.
18017 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
18018 * config/arm/arm.md (movdi): Force operands[1] to a register
18019 if we have a non-register source.
18020 (*arm_movdi, *movdf_soft_insn): Require that one of the
18021 operands be a register.
18022 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
18023 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
18025 2006-01-20 DJ Delorie <dj@redhat.com>
18027 * varasm.c (initializer_constant_valid_p): Allow pointers
18028 initialized from integer constants of lesser precision.
18029 (output_constant): Allow non-int-sized pointer modes to be
18030 initialized from integer constants.
18032 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
18035 * cppdefault.h (struct default_include): Add multilib flag.
18036 * cppdefault.c (cpp_include_defaults): Set it.
18037 * c.opt (-imultilib): New option.
18038 * c-opts.c (imultilib): New.
18039 (c_common_handle_option): Handle -imultilib.
18040 (c_common_post_options): Likewise.
18041 * c-incpath.c (add_standard_paths, register_include_chains):
18043 * c-incpath.h (register_include_chains): Add extra parameter.
18044 * gcc.c (do_spec_1): Generate -imultilib option.
18045 (The Specs Language): Update %I description.
18046 (process_command): Update copyright notice.
18047 * doc/cppopts.texi (-imultilib): Document.
18048 * doc/invoke.texi (-imultilib): Include in option summary.
18049 (%I): Update specs documentation.
18051 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18053 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
18055 2006-01-20 Richard Sandiford <richard@codesourcery.com>
18057 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
18060 2006-01-20 Richard Guenther <rguenther@suse.de>
18061 Steven Bosscher <stevenb.gcc@gmail.com>
18063 PR rtl-optimization/24626
18064 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
18065 EDGE_TRUE_VALUE if in RTL mode.
18068 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
18069 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
18071 2006-01-20 Dirk Mueller <dmueller@suse.com>
18074 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
18075 instead of a special NOP marker.
18076 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
18077 NOP marker handling.
18078 * c-common.h (empty_body_warning): Add forward declaration.
18079 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
18080 Now uses IS_EMPTY_STMT() instead of special NOP markers.
18082 2006-01-20 Paul Brook <paul@codesourcery.com>
18084 * Makefile.in (lang_checks): Keep going if mkdir fails.
18086 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18088 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
18089 be able to clean out basic block when not necessary.
18090 (df_scan_free): Fixed to properly delete information if df is
18091 unused before calling df_finish.
18092 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
18093 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
18095 (df_bb_refs_delete): New function.
18096 (df_refs_delete): Moved per block code to df_bb_refs_delete.
18097 * df-core.c (df_set_blocks): Added code to properly clean out
18098 unused blocks if they are not part of the blocks to consider.
18099 Added additional null check.
18100 (df_compact_blocks): Added basic block parameter to free_bb_fun to
18101 be able to clean out basic block when not necessary
18102 * df.h (df_free_bb_function): Ditto.
18103 (df_bb_refs_delete): New function.
18104 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
18105 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
18106 basic block parameter to be able to clean out basic block when not
18108 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
18109 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
18110 Fixed to properly delete information if df is unused before
18113 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18115 PR rtl-optimization/25799
18116 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
18117 Corrected confluence operator to remove bits from op2 before oring
18118 with op1 rather than removing bits from op1.
18119 (df_ru_transfer_function): Corrected test on wrong bitmap which
18120 caused infinite loop. Both of these problems were introduced in
18121 the dataflow rewrite.
18123 2006-01-19 DJ Delorie <dj@redhat.com>
18125 * reload1.c (find_reload_regs): Note the details of reload
18126 failures in the dump file.
18127 (spill_failure): Likewise.
18129 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18131 * loop-iv.c: Include df.h and hashtab.h.
18132 (enum iv_grd_result): New enum.
18133 (DF_REF_IV, DF_REF_IV_SET): New macros.
18134 (struct biv_entry): New.
18135 (df, bivs): New global variables.
18136 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
18137 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
18139 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
18140 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
18141 analyzed_for_bivness_p, record_biv): New functions.
18142 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
18143 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
18144 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
18146 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
18148 (iv_number_of_iterations): Use new interface to iv analysis.
18149 * loop-unroll.c: Do not include varray.h.
18150 (analyze_iv_to_split_insn): Use new interface to iv
18152 * loop-unswitch.c (may_unswitch_on): Ditto.
18153 * df.c (df_bitmaps_free): Only work for bbs for that structures are
18155 (df_bb_modify): Realloc tables to the new index.
18156 (df_find_use): New function.
18157 * df.h (df_find_use): Declare.
18158 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
18160 * cfgloop.h (struct rtx_iv): Remove analysed field.
18161 (iv_get_reaching_def): Removed.
18162 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
18163 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
18164 (loop-iv.o): Add df.h and hashtab.h dependency.
18165 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
18167 2006-01-20 Alan Modra <amodra@bigpond.net.au>
18170 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
18172 (__floatundisf, __floatundidf): Likewise.
18173 * libgcc2.h (IS_IBM_EXTENDED): Define.
18175 2006-01-19 DJ Delorie <dj@redhat.com>
18177 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18179 2006-01-19 Paul Brook <paul@codesourcery.com>
18181 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18182 as nothrow when unwinding tables are disabled.
18184 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18187 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18188 of bit-field" when in system header.
18190 2006-01-19 DJ Delorie <dj@redhat.com>
18192 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18193 the 16 bit shift limit of the m16c.
18195 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18198 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18199 * config/i386/i386.c (output_set_got): Output the label if we have one
18200 for the TARGET_DEEP_BRANCH_PREDICTION case.
18202 2006-01-19 Jan Hubicka <jh@suse.cz>
18203 H.J. Lu <hongjiu.lu@intel.com>
18204 Evandro Menezes <evandro.menezes@amd.com>
18206 * invoke.texi (generic): Document
18208 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18209 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18210 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18211 (x86_use_incdec, x86_pad_returns): New variables
18212 (TARGET_CPU_DEFAULT_generic): New constant
18213 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18214 (enum processor_type): Add generic32 and generic64.
18215 * i386.md (cpu attribute): Add generic32/generic64
18216 (movhi splitter): Behave sanely when both partial_reg_dependency and
18217 partial_reg_stall are set.
18218 (K8 splitters): Enable for generic as well.
18219 * predicates.md (incdec_operand): Use TARGET_INCDEC
18220 (aligned_operand): Avoid memory mismatch stalls.
18221 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18222 * ppro.md: Enable for generic32
18223 * i386.c (generic64_cost, generic32_cost): New.
18224 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18225 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18226 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18227 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18228 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18229 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18230 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18231 x86_accumulate_outgoing_args, x86_prologue_using_move,
18232 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18233 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18234 Enable for generic.
18235 (x86_use_incdec, x86_pad_returns): New.
18236 (override_options): Add generic32 and generic64, translate "generic"
18237 to generic32/generic64 and "i686" to "generic32", refuse
18238 "generic32"/"generic64" as arch target.
18239 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18240 (ix86_reorg): Honor PAD_RETURNS.
18242 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18244 * tree-pretty-print.c (dump_generic_node): Handle
18245 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18246 * cgraph.c (cgraph_expand_queue): Rename from
18247 cgraph_analyze_queue. Update all users.
18248 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18249 cgraph_expand_queue.
18250 (cgraph_expand_all_functions): Likewise.
18251 (cgraph_finalize_pending_functions): Remove. Update callers.
18253 * tree.h (OMP_DIRECTIVE_P): Define.
18254 (OMP_PARALLEL_FN): Define.
18255 (OMP_PARALLEL_DATA_ARG): Define.
18256 (OMP_SECTIONS_SECTIONS): Define.
18257 * tree-pass.h (pass_expand_omp): Declare.
18258 * omp-low.c (struct omp_region): Declare.
18259 (struct omp_context): Remove fields 'parallel_type',
18260 'parallel_start_ix' and 'parallel_start_additional_args'.
18262 (struct omp_for_data): Rename from struct expand_omp_for_data.
18263 (omp_regions): New static variable.
18264 (root_omp_region): New static variable.
18265 (find_omp_clause): Make static.
18266 (is_in_combined_parallel_ctx): Remove.
18267 (is_combined_parallel): New.
18268 (extract_omp_for_data): Move earlier in the file.
18269 (workshare_safe_to_combine_p): New.
18270 (get_ws_args_for): New.
18271 (determine_parallel_type): Move earlier in the file.
18272 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18274 (omp_copy_decl): Likewise.
18275 (create_omp_child_function): Likewise.
18276 (lookup_omp_region): New.
18277 (dump_omp_region): New.
18278 (debug_omp_region): New.
18279 (debug_all_omp_regions): New.
18280 (new_omp_region): New.
18281 (scan_omp_parallel): If parallel_nesting_level > 1, the
18282 directive is nested within another parallel directive.
18283 Set OMP_PARALLEL_FN.
18284 (scan_omp_for): Do not try to handle combined parallel+for
18286 Remove FIXME comment.
18287 (scan_omp_nested): Remove.
18288 (scan_omp_1): Do not call scan_omp_nested when
18289 parallel_nesting_level is > 1.
18290 Do not change the DECL_CONTEXT of local variables found.
18291 (lookup_decl_in_outer_ctx): New.
18292 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18293 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18294 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18295 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18296 If CTX is nested, lookup VAR in the outer context when
18297 building copy assignment.
18298 (lower_send_clauses): Rename from expand_send_clauses.
18299 If CTX is nested, lookup VAR in the outer context when
18300 building copy assignments.
18301 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18302 If CTX is nested, lookup VAR in the outer context when
18303 building copy assignments.
18304 (expand_parallel_call): Rename from build_parallel_call.
18305 Handle combined parallel+workshare cases.
18306 Re-implement to emit code into the CFG.
18308 (expand_omp_parallel): Re-implement to emit code into the CFG.
18309 Call move_sese_region_to_fn to outline the sub-graph
18310 containing the parallel region.
18311 (expand_omp_for_1): Remove.
18312 (expand_omp_for_generic): Re-implement to emit code into the
18314 (expand_omp_for_static_nochunk): Likewise.
18315 (expand_omp_for_static_chunk): Likewise.
18316 (expand_omp_for): Likewise.
18317 (expand_omp_sections): Likewise.
18318 (remove_exit_barriers): New.
18319 (expand_omp_synch): New.
18321 (build_omp_regions_1): New.
18322 (build_omp_regions): New.
18323 (execute_expand_omp): New.
18324 (gate_expand_omp): New.
18325 (pass_expand_omp): Define.
18326 (lower_omp_sections): Rename from expand_omp_sections.
18327 Set OMP_SECTIONS_SECTIONS.
18328 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18329 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18330 (lower_omp_single): Rename from expand_omp_simple.
18331 (lower_omp_master): Rename from expand_omp_master.
18332 (lower_omp_ordered): Rename from expand_omp_ordered.
18333 (lower_omp_critical): Rename from expand_omp_critical.
18334 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18335 (lower_omp_for): Re-implement.
18336 (lower_omp_parallel): Re-implement.
18337 (lower_regimplify): Rename from expand_regimplify.
18338 (lower_omp_1): Rename from expand_omp_1.
18339 If there are syntax errors in the program, replace every
18340 OpenMP directive with NOP.
18341 Call lower_omp_* instead of expand_omp_*.
18342 (lower_omp): Rename from expand_omp.
18344 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18345 * tree-gimple.h (enum omp_parallel_type): Remove.
18346 (gimple_boolify): Declare extern.
18347 (find_omp_clause, determine_parallel_type): Remove.
18349 * gimple-low.c (lower_omp_directive): New.
18350 (lower_stmt): Call it.
18351 (record_vars_into): Move from ...
18352 (record_vars): ... here.
18353 Call record_vars_into with current_function_decl.
18355 * gimplify.c (struct gimplify_ctx): Remove fields
18356 combined_pre_p and combined_ctxp. Update users.
18357 (get_formal_tmp_var): Add documentation.
18358 (gimple_boolify): Make extern.
18359 (gimplify_expr_in_ctx): Remove. Update callers.
18360 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18361 will always be a BIND_EXPR.
18362 (gimplify_expr): Handle OMP_RETURN_EXPR.
18363 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18364 (OMP_PARALLEL): Add 3 operands.
18365 (OMP_SECTIONS): Add 1 operand.
18366 (OMP_RETURN_EXPR): Define.
18368 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18369 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18370 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18371 creating a circular free list.
18372 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18374 * tree-flow.h (move_sese_region_to_fn): Declare.
18375 (record_vars_into): Declare.
18376 * tree-cfg.c (make_omp_sections_edges): New.
18377 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18378 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18379 OMP_SECTIONS and OMP_SECTION.
18380 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18381 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18382 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18383 (gather_blocks_in_sese_region): New.
18384 (struct move_stmt_d): Declare.
18385 (move_stmt_r): New.
18386 (move_block_to_fn): New.
18387 (move_sese_region_to_fn): New.
18389 * passes.c (init_optimization_passes): Schedule
18390 pass_expand_omp after pass_init_datastructures.
18392 * tree-ssa-operands.c (get_expr_operands): Handle
18393 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18394 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18396 2006-01-19 Jeff Law <law@redhat.com>
18398 * tree-vrp.c (extract_range_from_assert): Refine the result range
18399 if the variable referenced by the ASSERT_EXPR has a range and
18400 either the tentative result range or the previous range is a
18403 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18405 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18407 2006-01-19 Jan Hubicka <jh@suse.cz>
18409 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18411 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18413 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18414 (expand_compound_operation, expand_field_assignment): Fail if the
18415 bit lengths of an extract operation are out of range.
18416 (make_extraction): Compute wanted_inner_mode based on the position
18417 and length of the extraction. Make it extraction_mode for non-constant
18418 positions, and do not modify offset in that case. When generating a
18419 new MEM, use a mode that can hold the extraction while keeping correct
18420 alignment. Remove code that supported MEMs wrapped by USEs.
18421 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18423 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18425 * config/s390/s390.md ("Y", "y"): New mode attribute.
18426 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18427 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18428 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18429 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18430 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18431 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18432 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18433 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18434 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18435 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18436 "addsi3", "subsi3"): Insn patterns removed.
18437 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18438 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18439 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18440 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18441 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18442 "*sub<mode>3_cconly2"): New insn patterns.
18443 ("addsi3", "subsi3"): New expanders.
18445 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18447 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18448 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18449 existing STMT_VINFO_VECTYPE if available.
18450 (vect_mark_relevant): Add special handling for stmts that are
18451 marked as STMT_VINFO_IN_PATTERN_P.
18452 (vect_analyze_loop): Call vect_pattern_recog.
18453 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18454 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18456 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18457 (vect_recog_func_ptr): New function-pointer type.
18458 * tree-vect-patterns.c: New file.
18459 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18460 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18461 (vect_pattern_recog_1): New functions.
18462 (vect_pattern_recog_funcs): New array of function pointers.
18464 * tree-vectorizer.h (ternary_op): New enum value.
18465 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18466 declaration. Revised documentation. Removed redundant dump prints.
18467 Removed redundant argument. Added support for reduction patterns.
18468 (vectorizable_reduction): Added support for reduction patterns.
18469 (vect_transform_stmt): Added support for patterns.
18471 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18472 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18473 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18474 (expand_widen_pattern_expr): New function.
18475 (init_optabs): Initialize new optabs udot_prod_optab,
18477 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18478 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18479 (expand_widen_pattern_expr): New function declaration.
18480 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18482 * tree-inline.c (estimate_num_insns_1): Added cases for new
18483 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18484 * tree-pretty-print.c (dump_generic_node): Likewise.
18485 (op_prio): Likewise.
18486 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18487 * tree-ssa-operands.c (get_expr_operands): Added case for
18489 * tree-vect-patterns.c (widened_name_p): New function.
18490 (vect_recog_dot_prod_pattern): Added function implementation.
18491 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18492 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18493 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18494 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18496 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18497 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18498 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18499 (init_optabs): Initialize new optabs widen_ssum_optab,
18501 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18502 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18503 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18504 use instead of type of def.
18505 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18506 function implementation.
18507 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18508 widen_ssumv8hi): New.
18510 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18513 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18516 * c-decl.c (add_flexible_array_elts_to_size): New function.
18517 (finish_decl): Use it.
18519 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18521 * diagnostic.h: Include options.h.
18522 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18523 dependancies for diagnostic.h.
18524 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18526 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18528 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18529 (ssa_ro_call_cache_valid): Ditto.
18530 * tree-ssa-alias.c (sort_tags_by_id): New function.
18531 (init_transitive_clobber_worklist): Ditto.
18532 (add_to_worklist): Ditto.
18533 (mark_aliases_call_clobbered): Ditto.
18534 (compute_tag_properties): Ditto.
18535 (set_initial_properties): Ditto.
18536 (compute_call_clobbered): Ditto.
18537 (compute_may_aliases): Call compute_call_clobbered and grouping.
18538 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18539 (compute_flow_insensitive_aliasing): Grouping now happens in our
18541 (setup_pointers_and_addressables): Remove clobbering related code.
18542 (add_may_alias): Ditto.
18543 (replace_may_alias): Ditto.
18544 (get_nmt_for): Ditto.
18545 (create_global_var):
18546 (is_escape_site): Return an escape_type enumeration.
18547 * tree-flow-inline.h (is_call_clobbered): Global var does not
18548 imply call clobbered.
18549 (mark_call_clobbered): Take a reason for marking this. Remove
18550 marking of globalness, and cache invalidation.
18551 (clear_call_clobbered): Remove cache invalidation code.
18552 * tree-dfa.c (dump_variable): If details is on, dump the reason
18554 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18556 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18557 (struct var_ann_d): Ditto.
18558 (enum escape_type): New.
18559 (mark_call_clobbered): Adjust prototype.
18560 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18561 are never call clobbered.
18562 Record reasons for escaping.
18563 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18564 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18565 (ssa_ro_call_cache_valid): Ditto.
18566 (clobbered_v_may_defs): Ditto.
18567 (clobbered_vuses): Ditto.
18568 (ro_call_vuses): Ditto.
18569 (clobber_stats): New.
18570 (init_ssa_operands): Zero out clobber stats.
18571 (fini_ssa_operands): Print out clobber stats.
18572 (get_call_expr_operands): Pass callee fndecl to
18573 add_call_read_ops).
18574 (add_call_clobber_ops): Remove use of cache.
18575 Add use of PURE_CONST information.
18576 (add_call_read_ops): Remove use of cache.
18577 Add use of static not_read information.
18579 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18581 Introduce TLS descriptors for i386 and x86_64.
18582 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18583 (TARGET_ANY_GNU_TLS): New macro.
18584 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18585 (struct machine_function): Add tls_descriptor_call_expanded_p.
18586 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18587 (ix86_current_function_calls_tls_descriptor): Likewise.
18588 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18589 (override_options): Introduce gnu2 tls dialect.
18590 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18592 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18594 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18595 (ix86_init_machine_status): Initialize new field.
18596 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18597 (ix86_tls_module_base): New.
18598 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18599 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18600 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18601 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18602 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18603 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18604 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18605 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18606 * config/i386/predicates.md (tls_modbase_operand): New.
18607 (tp_or_register_operand): New.
18609 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18611 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18612 (look_for_address_of): Ditto.
18613 (ipa_init): Walk the function decls.
18614 (static_execute): Don't set readonly on FUNCTION_DECL's.
18616 2006-01-18 Roger Sayle <roger@eyesopen.com>
18618 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18619 for shifts where the source and destination registers are different.
18621 2006-01-18 Paul Brook <paul@codesourcery.com>
18623 Merge from csl-arm-branch.
18624 2005-03-14 Julian Brown <julian@codesourcery.com>
18625 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18626 (aeabi_llsl): Likewise.
18627 (ashrdi3): Likewise.
18628 (aeabi_lasr): Likewise.
18629 (lshrdi3): Likewise.
18630 (aeabi_llsr): Likewise.
18631 2005-03-10 Julian Brown <julian@codesourcery.com>
18632 * config.gcc: Disable shared libgcc for SymbianOS.
18633 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18635 2006-01-18 DJ Delorie <dj@redhat.com>
18637 * c-pragma.c (handle_pragma_diagnostic): New.
18638 (init_pragma): Register it.
18639 * doc/extend.texi: Document it.
18641 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18642 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18643 (diagnostic_context): Add classify_diagnostic[].
18644 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18645 as errors if they're overridden to DK_WARNING.
18646 (diagnostic_initialize): Initialize classify_diagnostic[].
18647 (diagnostic_set_kind_override): New.
18648 (diagnostic_report_diagnostic): Check for kind changes.
18649 * opts.c (common_handle_option): Take lang_mask. Update callers.
18650 Handle OPT_Werror_.
18651 * common.opt (Werror=): New.
18652 * doc/invoke.texi: Document -Werror=*
18654 2006-01-18 Jeff Law <law@redhat.com>
18656 * tree-vrp.c (test_for_singularity): Correct test for new
18657 min limit. Use operand_equal_p rather than pointer equality
18658 for testing if new min/max values are equal.
18660 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18661 using range information until after propagation and folding.
18663 2006-01-18 Richard Henderson <rth@redhat.com>
18664 Aldy Hernandez <aldyh@redhat.com>
18665 Jakub Jelinek <jakub@redhat.com>
18666 Diego Novillo <dnovillo@redhat.com>
18668 * omp-low.c: New file.
18669 * c-omp.c: New file.
18671 2006-01-18 Richard Henderson <rth@redhat.com>
18672 Jakub Jelinek <jakub@redhat.com>
18673 Diego Novillo <dnovillo@redhat.com>
18675 * doc/invoke.texi: Document -fopenmp.
18676 * tree-dump.h (debug_function): Declare.
18677 * hooks.c (hook_bool_tree_bool_false): New function.
18678 (hook_tree_tree_null): Remove.
18679 (hook_tree_tree_tree_null): New.
18680 * hooks.h: Update to match.
18681 * tree-pretty-print.c (debug_tree_chain): New.
18682 (print_generic_expr): Handle TDF_CHAIN.
18683 (dump_generic_node): Handle BLOCK.
18684 Do not abort with incomplete SWITCH_EXPRs.
18685 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18686 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18687 print space after directive name.
18688 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18689 Handle OMP_MASTER and OMP_ORDERED.
18690 Handle printing of OMP_BODY just in one place, goto
18691 dump_omp_body in the rest of OMP_* nodes that have
18693 Don't handle clause nodes here. Update omp statements to
18694 use dump_omp_clauses.
18695 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18696 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18697 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18698 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18699 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18700 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18701 Adjust output for GOMP_PARALLEL.
18702 (dump_omp_clauses): New.
18703 (print_declaration): Dump DECL_VALUE_EXPR.
18704 (op_symbol_1): Split out of op_symbol.
18705 (dumping_stmts): Remove. Update all users.
18706 * cgraph.c (cgraph_analyze_queue): New.
18707 (cgraph_add_new_function): New.
18708 * cgraph.h (cgraph_analyze_queue): Declare.
18709 (cgraph_add_new_function): Declare.
18710 (cgraph_lower_function): Remove.
18711 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18712 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18713 and TYPE_P nodes in its default clause.
18714 (empty_body_p): New.
18715 (tree_range_check_failed): New.
18716 (build5_stat): New.
18717 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18718 OMP_CLAUSE_REDUCTION_MERGE,
18719 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18720 OMP_CLAUSE_PRIVATE_DEBUG,
18721 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18722 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18723 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18724 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18725 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18726 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18727 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18728 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18729 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18730 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18731 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18732 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18733 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18734 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18735 (TREE_RANGE_CHECK): New.
18736 (empty_body_p): Declare.
18737 (enum omp_clause_default_kind): New.
18738 (build_string_literal): Declare.
18739 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18740 (build5_stat, build5): Declare.
18741 * tree-pass.h (TDF_CHAIN): Define.
18742 * tree-pass.h (PROP_gimple_lomp): Define.
18743 (pass_lower_omp): Declare.
18744 * diagnostic.h (debug_tree_chain): Declare.
18745 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18747 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18748 * builtins.c (build_string_literal): Make extern.
18749 * gcc.c (include_spec_function): New.
18750 (static_spec_functions): Add it.
18751 (main): Move load of libgomp.spec ...
18752 (LINK_COMMAND_SPEC): ... here.
18753 (link_gomp_spec): New.
18754 (static_specs): Include it.
18755 (LINK_COMMAND_SPEC): Add link_gomp.
18756 (GOMP_SELF_SPECS): New.
18757 (driver_self_specs): Include it.
18758 (switch_matches): Don't mark inline.
18759 (main): Load libgomp.spec.
18760 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18761 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18762 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18763 * tree-gimple.h (enum omp_parallel): Declare.
18764 (determine_parallel_type): Declare.
18765 (omp_firstprivatize_variable): Declare.
18766 (omp_reduction_init): Declare.
18767 (diagnose_omp_structured_block_errors): Declare.
18768 (struct walk_stmt_info): Add want_return_expr.
18769 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18770 (find_omp_clause): Declare.
18771 (insert_field_into_struct): Declare.
18772 (struct walk_stmt_info): Move from tree-nested.c
18773 (walk_stmts): Declare.
18774 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18776 * cgraphunit.c (cgraph_lower_function): Make static.
18777 (cgraph_finalize_pending_functions): New.
18778 (cgraph_finalize_function): Call it.
18779 (cgraph_finalize_compilation_unit): Likewise.
18780 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18781 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18782 (BT_FN_UINT_UINT): New.
18783 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18784 DEF_FUNCTION_TYPE_VAR_4): Document.
18785 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18786 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18787 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18788 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18789 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18790 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18791 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18792 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18793 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18794 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18795 into separate files.
18796 (DEF_GOMP_BUILTIN): New.
18797 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18798 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18799 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18800 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18801 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18802 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18803 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18804 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18805 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18806 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18807 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18808 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18809 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18810 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18811 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18812 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18813 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18814 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18815 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18816 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18817 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18818 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18819 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18820 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18821 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18822 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18823 * sync-builtins.def: New file, moved from builtins.def.
18824 * omp-builtins.def: New file, moved from builtins.def.
18825 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18826 * gimple-low.c (lower_function_body): Clear data.
18827 (lower_stmt): Do not handle COMPOUND_EXPR.
18828 Remove call to print_node_brief.
18829 * c-tree.h (c_finish_omp_clauses): New prototype.
18830 (C_DECL_THREADPRIVATE_P): Define.
18831 (lookup_name_no_remap, c_omp_remap_private): Remove
18832 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18833 (check_for_loop_decls): Update decl.
18834 (lookup_name_no_remap, c_omp_remap_private): Declare.
18835 (build_indirect_ref, build_modify_expr, pushdecl,
18836 pushdecl_top_level): Move to c-common.h.
18837 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18838 before the switch, but just in the 2 places that need it.
18839 * c-decl.c (diagnose_mismatched_decls): Do not check for
18840 mismatched thread-local attributes when OLDDECL is marked
18841 threadprivate and NEWDECL has no thread-local attributes.
18842 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18843 (c_gimple_diagnostics_recursively): Rename from
18844 c_warn_unused_result_recursively. Invoke
18845 diagnose_omp_structured_block_errors.
18846 (check_for_loop_decls): Return a singular decl found.
18847 * langhooks.c (lhd_omp_predetermined_sharing): Return
18848 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18849 (lhd_omp_firstprivatize_type_sizes): New.
18850 (lhd_omp_assignment): New.
18851 (lhd_omp_predetermined_sharing): New.
18852 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18853 (struct lang_hooks_for_types): Add
18854 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18855 omp_predetermined_sharing, omp_disregard_value_expr,
18856 omp_private_debug_clause, omp_clause_default_ctor,
18857 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18858 (c_finish_omp_clauses): New.
18859 (c_finish_bc_stmt): Diagnose break within omp for.
18860 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18861 (build_unary_op): Return error_mark after reporting
18863 (build_modify_expr): Likewise.
18864 * gimplify.c: Include optabs.h and pointer-set.h.
18865 (enum gimplify_omp_var_data): Declare.
18866 (struct gimplify_omp_ctx): Declare.
18867 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18869 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18870 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18871 (splay_tree_compare_decl_uid): New.
18872 (new_omp_context): New.
18873 (delete_omp_context): New.
18874 (gimple_add_tmp_var): Call omp_add_variable.
18875 (gimplify_bind_expr): Likewise.
18876 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18877 true, disregard DECL_VALUE_EXPR on the decl if any.
18878 (gimplify_expr_in_ctx): New.
18879 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18880 omp_add_variable, omp_notice_variable, omp_is_private
18881 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18882 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18883 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18884 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18885 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18886 gimplify_omp_atomic): New.
18887 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18888 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18889 OMP_CRITICAL and OMP_ATOMIC.
18890 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18891 * c-pragma.h (enum pragma_kind): Add
18892 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18893 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18894 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18895 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18896 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18897 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18898 PRAGMA_OMP_THREADPRIVATE.
18899 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18900 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18901 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18902 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18903 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18904 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18905 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18906 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18907 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18908 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18909 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18910 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18911 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18913 (struct nesting_info): Add field_map,
18914 suppress_expansion, debug_var_chain.
18915 (create_nesting_tree): Initialize them.
18916 (lookup_field_for_decl): Use field_map.
18917 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18918 (convert_local_omp_clauses): New.
18919 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18920 (walk_body): Split out of walk_function.
18921 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18922 (convert_nonlocal_reference): Handle omp statements.
18923 (convert_local_reference): Likewise.
18924 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18925 (unnest_nesting_tree): New.
18926 (lower_nested_functions): Call it.
18927 (insert_field_into_struct): Make extern.
18928 (struct walk_stmt_info): Move to tree-gimple.h.
18929 (walk_stmts): Make extern.
18930 * omp-builtins.def: New file.
18931 * tree-iterator.c (expr_only): Clarify comment.
18932 * c-common.h (pushdecl_top_level, pushdecl,
18933 build_modify_expr, build_indirect_ref,
18934 c_finish_omp_master, c_finish_omp_critical,
18935 c_finish_omp_ordered, c_finish_omp_barrier,
18936 c_finish_omp_atomic, c_finish_omp_flush,
18937 c_finish_omp_for, c_split_parallel_clauses,
18938 omp_clause_default_kind, c_omp_sharing_predetermined,
18939 c_omp_remap_decl): Declare.
18940 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18941 (OBJS-common): Add omp-low.o.
18942 (c-omp.o, omp-low.o): Add.
18943 (gimplify.o): Add dependency on $(OPTABS_H).
18944 (GTFILES): Add omp-low.c.
18945 (gt-stringpool.h): Add.
18946 * tree-cfg.c (set_bb_for_stmt): Do not update the
18947 block-to-labels map if we are currently expanding to RTL.
18948 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18950 Handle IDENTIFIER_NODE.
18951 (tree_verify_flow_info): Do not ICE when emitting error
18952 messages about invalid labels.
18953 (dump_function_to_file): Reset CFUN before emitting the body
18955 (debug_function): New.
18956 * passes.c (init_optimization_passes): Schedule
18958 * langhooks-def.h (lhd_omp_predetermined_sharing,
18959 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18961 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18962 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18963 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18964 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18965 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18966 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18967 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18968 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18969 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18970 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18971 (LANG_HOOK_DECLS): Use them.
18973 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18974 Richard Henderson <rth@redhat.com>
18975 Jakub Jelinek <jakub@redhat.com>
18976 Diego Novillo <dnovillo@redhat.com>
18978 * c-parser.c (pragma_omp_clause): Define.
18979 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18980 (c_parser_compound_statement): Likewise.
18981 (c_parser_statement): Likewise.
18982 (c_parser_pragma): Handle omp pragmas.
18983 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18984 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18985 (c_parser_omp_clause_name, check_no_duplicate_clause,
18986 c_parser_omp_variable_list,
18987 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18988 c_parser_omp_clause_copyprivate,
18989 c_parser_omp_clause_default,
18990 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18991 c_parser_omp_clause_lastprivate,
18992 c_parser_omp_clause_nowait,
18993 c_parser_omp_clause_num_threads,
18994 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18995 c_parser_omp_clause_reduction,
18996 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18997 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18998 c_parser_omp_atomic, c_parser_omp_barrier,
18999 c_parser_omp_critical, c_parser_omp_flush,
19000 c_parser_omp_for_loop, c_parser_omp_for,
19001 c_parser_omp_master, c_parser_omp_ordered,
19002 c_parser_omp_sections_scope, c_parser_omp_sections,
19003 c_parser_omp_parallel, c_parser_omp_single,
19004 c_parser_omp_construct, c_parser_omp_threadprivate): New.
19005 * c-pragma.c (init_pragma): Do omp pragma registration here.
19006 * c.opt (fopenmp): New flag.
19008 2006-01-18 Eric Christopher <echristo@apple.com>
19010 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
19011 * config/darwin.h (GOMP_SELF_SPECS): Define.
19013 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19015 * rtl.h: Remove the prototype for reg_alloc.
19017 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19020 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
19021 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
19022 sjlj and dwarf2 exception handling.
19023 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
19024 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
19025 * pa/pa.c (function_value): Treat complex and vector types as
19027 (function_arg): Likewise. Only pass scalar floats in the floating
19028 point argument registers.
19029 * pa/t-slibgcc-dwarf-ver: New file.
19030 * pa/t-slibgcc-sjlj-ver: New file.
19031 * pa/t-slibgcc-elf-ver: Delete file.
19033 2006-01-19 Alan Modra <amodra@bigpond.net.au>
19035 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
19036 unlikely_test_section_p test.
19038 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19040 * mode-switching.c (optimize_mode_switching): Make it static.
19041 * basic-block.h: Remove the prototype for
19042 optimize_mode_switching.
19044 * modulo-sched.c (sms_schedule): Make it static.
19045 * rtl.h: Remove the prototype for sms_schedule.
19047 * postreload-gcse.c (gcse_after_reload_main): Make it static.
19048 * rtl.h: Remove the prototype for gcse_after_reload_main.
19050 * reg-stack.c (reg_to_stack): Make it static.
19051 * rtl.h: Remove the prototype for reg_to_stack.
19053 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
19055 * rtl.h: Remove the prototypes for regrename_optimize and
19056 copyprop_hardreg_forward.
19058 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
19060 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
19061 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
19062 Test against the appropriate null constant for the mode.
19063 If 'fixup_overlap' is true, swap the operands if they overlap.
19064 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
19065 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
19066 alpha_split_tmode_pair and adjust for above change.
19067 * config/alpha/alpha.md (movtf_internal): Adjust call to
19068 alpha_split_tfmode_pair and rely on it to swap the operands.
19069 (movti_internal): New insn and post-reload splitter.
19070 (movti): New expander.
19072 2006-01-18 Philippe De Muyter <phdm@macqel.be>
19074 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
19077 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19079 * rtlanal.c (global_reg_mentioned_p_1,
19080 global_reg_mentioned_p): Remove.
19081 * rtl.h: Remove the prototype for global_reg_mentioned_p.
19083 * flow.c (initialize_uninitialized_subregs): Make it static.
19084 * rtl.h: Remove the prototype for
19085 initialize_uninitialized_subregs.
19087 * function.c (instantiate_virtual_regs): Make it static.
19088 * function.h: Remove the prototype for
19089 instantiate_virtual_regs.
19091 * regmove.c (regmove_optimize, combine_stack_adjustments):
19093 * rtl.h: Remove the prototypes for regmove_optimize and
19094 combine_stack_adjustments.
19096 2006-01-17 Roger Sayle <roger@eyesopen.com>
19098 * config/i386/i386.c (COSTS_N_BYTES): New macro.
19099 (size_cost): Encode costs in bytes so that a reg-reg addition is
19100 equivalent to COSTS_N_INSNS(1).
19101 (override_options): Use the size_cost.branch_cost as the default
19102 ix86_branch_cost when optimizing for size.
19104 2006-01-18 Ben Elliston <bje@au.ibm.com>
19106 * Makefile.in (D32PBIT_FUNCS): New.
19107 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
19108 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
19109 D64PBIT_FUNCS and D128PBIT_FUNCS.
19110 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
19111 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
19113 (decnumber_dep): Define.
19114 * doc/libgcc.texi (Decimal float library routines): New node.
19115 * config/dfp-bit.h, config/dfp-bit.c: New files.
19117 2006-01-18 Ben Elliston <bje@au.ibm.com>
19119 * expr.c (emit_move_change_mode): Always adjust addresses, not
19120 just during reload. Copy replacements only during reload.
19121 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
19122 emit_move_via_integer.
19124 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
19126 * Makefile.in (check-%, check-consistency): Use $${srcdir}
19127 instead of $(srcdir) and ${srcdir}.
19129 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
19132 PR middle-end/11135
19133 * arm.h (struct machine_function): Add pic_reg.
19134 * arm.c (arm_pic_register): Make unsigned.
19135 (arm_override_options): Only set arm_pic_register if
19136 TARGET_SINGLE_PIC_BASE.
19137 (use_return_insn): Only test for a pic register if it is fixed.
19138 (arm_compute_save_reg0_reg12_mask): Likewise.
19139 (thumb_compute_save_reg_mask): Likewise.
19140 (legitimate_pic_operand): Factor out some known invariants.
19141 (legitimize_pic_address): If we don't have a fixed pic register,
19142 then set up a pseudo in the function entry sequence. Handle the
19143 pic base being in a pseudo.
19144 (arm_load_pic_register): Handle the pic register being in a pseudo.
19145 (arm_expand_prologue): Only set up the pic register if it is fixed.
19146 (thumb_expand_prologue): Likewise.
19147 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
19148 (pic_load_addr_based_insn): Likewise.
19149 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
19152 2006-01-18 Ben Elliston <bje@au.ibm.com>
19154 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
19155 decimal float modes for all floating point registers.
19157 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
19158 match_code "mem" with match_test "macho_lo_sum_memory_operand".
19160 2006-01-17 Jakub Jelinek <jakub@redhat.com>
19163 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
19164 even when the pointer is not NULL.
19166 2006-01-16 Ian Lance Taylor <ian@airs.com>
19168 * common.opt (ftoplevel-reorder): New option.
19169 * cgraph.c (cgraph_asm_nodes): New global variable.
19170 (cgraph_asm_last_node): New static variable.
19171 (cgraph_order): New global variable.
19172 (cgraph_create_node): Set new order field.
19173 (cgraph_varpool_node): Likewise.
19174 (decide_is_variable_needed): Return true if not
19175 flag_toplevel_reorder.
19176 (cgraph_add_asm_node): New function.
19177 * cgraph.h (struct cgraph_node): Add order field.
19178 (struct cgraph_varpool_node): Add order field.
19179 (struct cgraph_asm_node): Define.
19180 (cgraph_asm_nodes, cgraph_order): Declare.
19181 (cgraph_add_asm_node): Declare.
19182 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19184 (cgraph_varpool_assemble_pending_decls): Call it.
19185 (cgraph_output_pending_asms): New static function.
19186 (cgraph_finalize_compilation_unit): Call it.
19187 (struct cgraph_order_sort): Define.
19188 (cgraph_output_in_order): New static function.
19189 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19190 !flag_toplevel_reorder case.
19191 * c-parser.c: Include "cgraph.h".
19192 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19194 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19195 than -fno-unit-at-a-time.
19196 * doc/invoke.texi (Option Summary): Mention
19197 -fno-toplevel-reorder.
19198 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19199 -funit-at-a-time documentation.
19201 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19202 Kazu Hirata <kazu@codesourcery.com>
19204 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19206 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19208 * Makefile.in (FUNCTION_H): New. Use it instead of
19209 function.h throughout the file.
19210 * function.h: Include tree.h.
19212 2006-01-17 Ben Elliston <bje@au.ibm.com>
19214 * recog.c: Separate some functions with whitespace.
19216 2006-01-16 Richard Henderson <rth@redhat.com>
19218 Merge from gomp branch:
19219 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19220 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19221 and rename from struct inline_data. Rename callee* to dst*;
19222 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19223 transform_new_cfg, transform_return_to_modify, and
19224 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19226 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19227 (copy_decl_for_dup): Remove.
19228 * tree-inline.c (struct inline_data): Move to header.
19229 (insert_decl_map): Export.
19230 (remap_decl): Update for member name changes. Use copy_decl hook.
19231 Allow for replacement to be a non-decl. Remove dead code.
19232 (remap_type_1): Check for existing mapping.
19233 (remap_type): Export.
19234 (remap_decls): Update for member name changes.
19235 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19236 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19237 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19238 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19239 (tree_function_versioning, build_duplicate_type): Likewise.
19240 (copy_body_r): Likewise. Export.
19241 (copy_decl_for_dup): Split into ...
19242 (copy_decl_for_dup_finish, copy_decl_to_var,
19243 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19244 (replace_ref_tree, inlining_p): Remove.
19246 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19248 * ifcvt.c (if_convert): Make it static.
19249 * rtl.h: Remove the prototype for if_convert.
19251 * local-alloc.c (local_alloc): Make it static.
19252 * rtl.h: Remove the prototype for local_alloc.
19254 * loop.c (loop_optimize): Make it static.
19255 * cfgloop.h: Remove the prototype for loop_optimize.
19258 2006-01-16 DJ Delorie <dj@redhat.com>
19260 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19263 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19265 * pa.md: Disparage copies between general and floating-point registers
19266 in 32-bit move patterns.
19268 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19271 * Makefile.in (check-%): Depend on site.exp instead of
19272 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19275 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19277 * global.c (global_alloc): Make it static.
19278 * rtl.h: Remove the prototype for global_alloc.
19280 2006-01-16 Richard Guenther <rguenther@suse.de>
19282 * tree-ssa-alias.c (struct used_part): Add write_only field.
19283 (get_or_create_used_part_for): Initialize it to true.
19284 (create_overlap_variables_for): Don't create structure variables
19285 for structures that only are written to.
19286 (find_used_portions): Handle MODIFY_EXPR to track whether a
19287 structure is only written to.
19289 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19291 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19293 * basic-block.h: Remove the prototype for
19294 partition_hot_cold_basic_blocks.
19296 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19298 * cppspec.c (lang_specific_spec_functions): Remove.
19299 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19300 * gcc.h (lang_specific_spec_functions): Remove.
19301 * gccspec.c (lang_specific_spec_functions): Remove.
19303 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19305 * combine.c (record_value_for_reg): Invalidate registers
19307 (record_dead_and_set_regs_1): Likewise, by passing them to
19308 record_value_for_reg.
19309 (record_dead_and_set_regs): Invalidate stores made by a
19310 call. We do not combine across a call, but we still
19311 relied on equivalences.
19313 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19315 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19316 vrp_int_const_binop returning non-constant nodes.
19318 2006-01-16 Paul Brook <paul@codesourcery.com>
19320 * config/m68k/m68k.c (output_move_const_into_data_reg):
19321 Output correct mnemonic for mvz and mvs.
19323 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19325 * rtl-factoring.c: Add sequence abstraction algorithm.
19326 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19327 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19329 (block_has_preserve_label): New function.
19330 * common.opt: Register new pass.
19331 * Makefile.in: Ditto.
19333 * timevar.def: Ditto.
19334 * tree-pass.h: Ditto.
19335 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19336 * rtl.h (make_jump_insn_raw): Add forward decl.
19337 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19339 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19340 Roger Sayle <roger@eyesopen.com>
19342 * fold-const.c (fold_minmax): New static function.
19343 (fold_binary) <MIN_EXPR>: Call it.
19344 <MAX_EXPR>: Likewise.
19345 * stor-layout.c (place_field): Use DECL_SIZE consistently
19346 in the computation of the new record size.
19348 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19350 * cse.c (cse_condition_code_reg): Make it static.
19351 * rtl.h: Remove the prototype for cse_condition_code_reg.
19353 * combine.c (combine_instructions): Make it static.
19354 * rtl.h: Remove the prototype for combine_instructions.
19356 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19359 * tree.c (get_file_function_name_long): Concatenate the first global
19360 object name with a string derived from the input filename of the object
19363 2006-01-16 Ben Elliston <bje@au.ibm.com>
19365 * config/i386/winnt-stubs.c: Update FSF address.
19366 * config/xtensa/ieee754-df.S: Ditto.
19367 * config/xtensa/ieee754-sf.S: Ditto.
19369 2006-01-14 Ian Lance Taylor <ian@airs.com>
19371 * ifcvt.c (noce_init_if_info): New static function, broken out of
19372 noce_process_if_block.
19373 (noce_process_if_block): Call noce_init_if_info.
19374 (check_cond_move_block): New static function.
19375 (cond_move_process_if_block): New static function.
19376 (process_if_block): Call cond_move_process_if_block.
19378 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19380 * cselib.c (hash_table): Rename to cselib_hash_table.
19381 (cselib_clear_table, discard_useless_values,
19382 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19383 cselib_init, cselib_finish): Adjust uses of hash_table.
19385 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19387 PR tree-optimization/25485
19388 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19389 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19390 is known to be false and true, respectively.
19392 2006-01-14 Richard Guenther <rguenther@suse.de>
19394 PR tree-optimization/22548
19395 PR tree-optimization/22555
19396 PR tree-optimization/22501
19397 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19398 * params.def (salias-max-array-elements): New parameter.
19399 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19400 * doc/invoke.texi (salias-max-array-elements): Document.
19401 * tree-flow-inline.h (var_can_have_subvars): We also handle
19403 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19405 * tree-ssa-structalias.c (params.h): Include.
19406 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19407 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19408 (get_constraint_for): For ADDR_EXPR operating on something
19409 containing an ARRAY_REF, add all subvars to the solution.
19410 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19411 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19412 for creating MUST_DEFs.
19413 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19415 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19417 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19419 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19420 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19421 number_of_iterations_le): New functions.
19422 (number_of_iterations_special): Removed.
19423 (number_of_iterations_exit): Do not use number_of_iterations_special.
19424 * tree.c (unsigned_type_for): Always return integer type.
19426 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19427 Richard Guenther <rguenther@suse.de>
19429 PR rtl-optimization/24257
19430 * gcse.c (find_moveable_store): Only consider a store movable
19431 when the SET_SRC of the insn can be assigned to a register.
19433 2006-01-14 Ian Lance Taylor <ian@airs.com>
19435 * tree.c (tree_not_class_check_failed): New function.
19436 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19437 (tree_not_class_check_failed): Declare.
19439 2006-01-13 Ian Lance Taylor <ian@airs.com>
19441 * reload1.c (do_output_reload): Add assertion rejecting a
19444 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19446 * combine.c (struct reg_stat): Add new fields truncation_label and
19448 (record_value_for_reg): Reset truncated_to_mode.
19449 (record_truncated_value): New function.
19450 (check_promoted_subreg): Call it. Rename to check_conversions.
19451 (combine_instructions): Rename check_promoted_subreg to
19453 (reg_truncated_to_mode): New function.
19454 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19455 (gen_lowpart_or_truncate): New function.
19456 (force_to_mode): Use it instead of gen_lowpart.
19458 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19460 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19461 VAR is a tag, not its type tag.
19463 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19465 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19466 alternatives to match style of other entries.
19467 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19469 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19471 PR tree-optimization/25771
19472 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19475 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19478 * tree-inline.c (declare_return_variable): If the return variable
19479 was marked as a non gimple complex, set the return slot variable
19480 to be a non gimple comple variable.
19482 2006-01-13 Richard Guenther <rguenther@suse.de>
19484 * builtins.c (expand_builtin_sincos): New function.
19485 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19487 (expand_builtin): Expand sincos using expand_builtin_sincos.
19489 2006-01-12 DJ Delorie <dj@redhat.com>
19491 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19492 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19493 so that constant shifts can be split.
19494 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19495 (m32c_valid_pointer_mode): Make static.
19496 (shift_gen_func_for): New.
19497 (m32c_prepare_shift): Use it. Split large const shifts into
19499 * config/m32c/predicates.md (shiftcount_operand): Allow more
19501 (longshiftcount_operand): New.
19502 * doc/md.texi (Machine Constraints): Document In6.
19504 2006-01-13 Ben Elliston <bje@au.ibm.com>
19506 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19507 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19510 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19512 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19513 to try to avoid clobbering pieces of structures when we know
19514 something about the whole structure.
19515 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19517 2006-01-13 Ben Elliston <bje@au.ibm.com>
19519 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19520 return in memory, as this is no limitation is no longer present.
19522 2006-01-12 DJ Delorie <dj@redhat.com>
19524 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19525 mova with fb, and for fb+0 -> An.
19527 * config/m32c/mov.md (peephole2): Fix enabling logic.
19529 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19530 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19531 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19532 FINI_ARRAY_SECTION_ASM_OP): Define.
19534 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19536 (m32c_legitimize_reload_address): New logic to reload FB to An.
19537 (m32c_output_reg_push): Add newline.
19538 (m32c_output_reg_pop): Likewise.
19540 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19542 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19544 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19546 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19548 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19550 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19553 2006-01-11 Ben Elliston <bje@au.ibm.com>
19555 * rtlanal.c (find_reg_note): Assert insn is not null.
19557 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19559 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19562 2006-01-11 Jeff Law <law@redhat.com>
19564 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19566 (mark_threaded_blocks, register_jump_thread): New functions.
19567 (thread_through_all_blocks): Remove unwanted argument. No
19568 longer rely on e->aux to communicate thread target info.
19569 Call mark_threaded_blocks. Release the threaded_blocks
19570 bitmap and threaded_edges vector when complete.
19571 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19572 (threaded_blocks): Remove.
19573 (tree_ssa_dominator_optimize): Remove initialization and
19574 finalization of threaded_blocks. Simplify call to
19575 thread_through_all_blocks.
19576 (thread_across_edge): Call register_jump_thread rather than
19577 storing thread information into e->aux.
19578 (free_all_edge_infos): Simplify now that e->aux is no longer
19579 used to communicate with thread_through_all_blocks.
19580 * tree-flow.h (thread_through_all_blocks): Update prototype.
19581 (register_jump_thread): Prototype.
19583 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19585 * df-core.c (df_compact_blocks, df_bb_replace): Use
19586 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19588 2006-01-11 Richard Guenther <rguenther@suse.de>
19590 PR tree-optimization/25734
19591 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19592 stop propagation after successful propagation to the LHS.
19594 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19596 * basic-block.h (control_flow_graph): Change the type of
19597 x_basic_block_info to VEC(basic_block,gc) *.
19598 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19600 (SET_BASIC_BLOCK): New.
19601 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19602 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19603 * cfgbuild.c (find_basic_blocks): Likewise.
19604 * cfglayout.c (fixup_reorder_chain): Likewise.
19605 * cfgrtl.c (create_basic_block_structure,
19606 rtl_create_basic_block): Likewise.
19607 * ifcvt.c (find_if_case_1): Likewise.
19608 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19611 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19613 * Makefile.in: Removed rotted odf.c entry.
19615 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19618 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19619 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19620 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19621 output pattern modifier, not %e.
19622 * config/cris/cris.c (cris_op_str): Update comment about pattern
19624 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19625 before falling through into...
19626 <case 'E'>: Redefined from old 'e' case.
19628 2006-01-11 Jan Hubicka <jh@suse.cz>
19631 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19633 2006-01-11 Jan Hubicka <jh@suse.cz>
19635 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19636 * i386.c (x86_decompose_lea): Kill.
19637 (ix86_rtx_costs): Kill.
19639 2006-01-11 Jan Hubicka <jh@suse.cz>
19641 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19642 * cgraph.h (cgraph_node): Add inline_decl.
19643 (cgraph_insert_node_to_hashtable): Declare.
19644 (save_inline_function_body): Declare.
19645 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19647 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19648 (cgraph_function_versioning): Update call of tree_function_versioning.
19649 (save_inline_function_body): New function.
19650 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19651 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19652 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19653 (cgraph_default_inline_p): Likewise.
19654 (cgraph_decide_inlining_incrementally): Likewise.
19655 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19656 (copy_bb): Kill saving; do updating of clones.
19657 (copy_cfg_body): Kill saving.
19658 (initialize_inlined-parameters): Likewise.
19659 (expand_call_inline): Likewise.
19661 (tree_function_versioning): New parameter "update_clones".
19662 (inlining_p): Kill saving.
19663 * tree-inline.h (tree_function_versioning): Update prototype.
19664 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19667 2006-01-11 Ian Lance Taylor <ian@airs.com>
19669 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19670 Allow undoing set of machine mode.
19671 (do_SUBST): Use enums instead of is_int.
19672 (do_SUBST_MODE): New function.
19673 (SUBST_MODE): New macro.
19674 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19675 reg and trying to replace reg_regno_rtx with a new register.
19676 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19677 (simplify_set): Use SUBST_MODE.
19678 (distribute_notes): Remove code that tried to update reg notes
19679 for regno_reg_rtx changes.
19681 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19683 PR tree-optimization/23109
19684 PR tree-optimization/23948
19685 PR tree-optimization/24123
19687 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19688 * tree-cfg.c (single_noncomplex_succ): New.
19689 * tree-flow.h (single_noncomplex_succ): Declare it.
19690 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19691 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19692 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19693 insert_bb, register_division_in, insert_reciprocals,
19694 replace_reciprocal, free_bb): New.
19695 (execute_cse_reciprocals_1): Rewritten.
19696 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19697 Do not commit any edge insertion. Always compute dominators and
19698 create the allocation pool.
19699 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19700 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19701 * targhooks.c (default_min_divistions_for_recip_mul): New.
19702 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19703 * passes.c (init_optimization_passes): Run recip after tree loop
19705 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19707 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19708 Kenneth Zadeck <zadeck@naturalbridge.com>
19710 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19711 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19712 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19713 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19714 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19715 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19716 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19717 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19718 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19719 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19720 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19721 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19722 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19723 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19724 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19725 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19726 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19727 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19728 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19729 DF_SCAN_POST_ALLOC): New macros.
19730 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19731 df_free_bb_function, df_local_compute_function, df_init_function,
19732 df_dataflow_function, df_confluence_function_0,
19733 df_confluence_function_n, df_transfer_function,
19734 df_finalizer_function, df_free_function, df_dump_problem_function,
19735 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19736 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19737 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19738 df_urec_bb_info, ) New types.
19739 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19741 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19742 df_analyze_simple_change_some_blocks,
19743 df_analyze_simple_change_one_block, df_compact_blocks,
19744 df_bb_replace, df_bb_regno_last_use_find,
19745 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19746 df_insn_regno_def_p, df_find_def, df_find_use,
19747 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19748 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19749 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19750 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19751 debug_df_chain, df_get_dependent_problem, df_chain_create,
19752 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19753 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19754 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19755 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19756 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19757 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19758 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19759 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19760 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19761 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19762 df_reorganize_refs, df_set_state, df_hard_reg_init,
19763 df_read_modify_subreg_p) New public functions.
19764 * df-core.c: The core dataflow solver and glue routines for rtl
19766 (df_init, df_add_problem, df_set_blocks, df_finish,
19767 df_hybrid_search_forward, df_hybrid_search_backward,
19768 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19769 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19770 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19771 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19772 df_reg_defined, df_find_use, df_reg_used, df_dump,
19773 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19774 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19775 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19776 debug_df_useno, reset_df_after_reload): New functions.
19777 * df-scan.c: The scanning fuctions, once in df.c, completely
19778 rewritten so that they now fully model the functionality of
19779 register usage at the backend.
19780 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19781 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19782 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19783 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19784 df_get_artificial_defs, df_get_artificial_uses,
19785 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19786 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19787 df_refs_delete, df_reorganize_refs, df_set_state,
19788 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19789 df_def_record_1, df_defs_record, df_uses_record,
19790 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19791 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19792 df_record_exit_block_uses, df_hard_reg_init): New functions.
19794 * df-problems.c: Seven concrete dataflow problems that use the
19795 scanning in df-scan.c and are solved by the engine in df-core.c.
19796 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19797 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19798 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19799 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19800 df_ru_free_bb_info, df_ru_alloc,
19801 df_ru_bb_local_compute_process_def,
19802 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19803 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19804 df_ru_transfer_function, df_ru_free, df_ru_dump,
19805 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19806 df_rd_free_bb_info, df_rd_alloc,
19807 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19808 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19809 df_rd_transfer_function, df_rd_free, df_rd_dump,
19810 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19811 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19812 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19813 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19814 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19815 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19816 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19817 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19818 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19819 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19820 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19821 df_urec_mark_reg_use_for_earlyclobber,
19822 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19823 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19824 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19825 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19826 df_chain_create_bb_process_use, df_chain_create_bb,
19827 df_chain_finalize, df_chain_free, df_chains_dump,
19828 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19829 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19830 df_reg_lifetime): New functions.
19831 * df.c: Deleted file.
19832 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19833 consistent with new df api.
19834 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19835 rest_of_handle_sms): Ditto.
19836 * web.c (unionfind_union, union_defs, entry_register, web_main):
19838 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19839 invariant_expr_equal_p, find_defs, check_dependencies,
19840 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19841 free_inv_motion_data, move_loop_invariants): Ditto.
19842 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19843 Update dependencies.
19844 (odf.c): Added defective entry that was deleted later in day.
19845 * sched-deps.c (sched_analyze_1): Ditto.
19847 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19849 * tree-ssa-operands.c (get_expr_operands): Record addressable
19850 variables directly. Do not call add_stmt_operands for CONST_DECLs
19852 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19853 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19855 2006-01-11 Ben Elliston <bje@au.ibm.com>
19857 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19858 function returns true in the positive case.
19860 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19863 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19864 for SI, DI, SF and DF modes. Add alternatives to copy between
19865 general and floating point registers to the 32-bit patterns.
19866 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19867 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19868 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19869 generating 64-bit code.
19870 * config/pa/pa.c (output_move_double): Handle copies between general
19871 and floating registers.
19873 2006-01-10 Stuart Hastings <stuart@apple.com>
19875 * config/i386/i386.md (set_got): Update.
19876 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19877 (builtin_setjmp_receiver): Mach-O support.
19878 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19879 (GOT_SYMBOL_NAME): Define.
19880 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19881 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19882 * config/i386/i386.c (override_options): Revise for Darwin.
19883 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19884 support. (darwin_x86_file_end): New. (output_set_got): Add label
19885 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19886 * config/i386/i386-protos.h (output_set_got): Likewise.
19887 * config/darwin.c (machopic_legitimize_pic_address): Update
19890 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19892 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19893 when MODE isn't BLKmode.
19895 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19897 PR rtl-optimization/25367
19898 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19900 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19903 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19904 for a negative bound.
19906 2006-01-10 Richard Guenther <rguenther@suse.de>
19908 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19909 Never override with anything constraint.
19911 2006-01-10 Jan Beulich <jbeulich@novell.com>
19913 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19914 256 bits when optimize_size.
19916 2006-01-10 Jan Beulich <jbeulich@novell.com>
19918 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19920 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19921 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19924 2006-01-10 Ben Elliston <bje@au.ibm.com>
19926 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19928 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19929 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19930 (USE_FP_FOR_ARG): Reject decimal float modes.
19931 (function_arg_advance): Likewise.
19932 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19933 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19934 point types in AltiVec vectors.
19935 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19936 (rs6000_libcall_value): Likewise.
19938 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19940 * config/xtensa/ieee754-df.S: New file.
19941 * config/xtensa/ieee754-sf.S: New file.
19942 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19943 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19944 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19946 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19948 * config/sh/predicates.md (binary_float_operator,
19949 binary_logical_operator, commutative_float_operator,
19950 equality_comparison_operator, greater_comparison_operator,
19951 less_comparison_operator, logical_operator,
19952 noncommutative_float_operator, shift_operator,
19953 symbol_ref_operand, unary_float_operator): Remove redundant
19956 2006-01-09 Jeff Law <law@redhat.com>
19958 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19959 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19960 now unused arguments. Callers updated.
19961 (eliminate_redundant_computations): Remove now unused arguments,
19963 (local_fold): Remove, no longer used.
19964 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19966 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19967 (simplify_cond): New function.
19968 (forward_propagate_into_cond): Call simplify_cond.
19970 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19972 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19973 (*vec_extractv2di_1_sse): New.
19975 2006-01-09 Ben Elliston <bje@au.ibm.com>
19977 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19979 2006-01-08 Richard Guenther <rguenther@suse.de>
19981 * tree-ssa-structalias.c (get_constraint_for): Remove
19982 anyoffset argument.
19983 (get_constraint_for_component_ref): Likewise.
19984 (do_deref): Likewise.
19985 (get_constraint_for): Likewise.
19986 (do_structure_copy): Likewise.
19987 (handle_ptr_arith): Likewise.
19988 (find_func_aliases): Likewise. Remove unused need_anyoffset
19991 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19992 Kaz Kojima <kkojima@gcc.gnu.org>
19994 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19995 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19996 (EXTRA_CONSTRAINT_C16): Remove.
19997 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19998 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19999 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
20000 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
20001 constants of SHmedia. Handle nested constant expressions of
20003 (andcosts): Fix the costs for SHmedia constants.
20004 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
20005 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
20006 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
20007 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
20008 (movv4hi_i, movv2si_i): Likewise.
20009 (movsi_const): Adjust the second operand of ior so to match with
20010 the Csu constraint.
20011 (movdi_const, movdi_const_32bit): Likewise.
20012 (movdi_const_16bit+1): Don't sign-extend LOW.
20013 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
20015 (*double_shori): Fix the split condition. Use GEN_INT instead
20016 of get_int_mode calls. Mask lower 16-bit of the argument of
20018 (sym2GOTPLT): Remove.
20019 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
20021 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
20022 instead of EXTRA_CONSTRAINT_C16.
20024 2006-01-07 Ian Lance Taylor <ian@airs.com>
20025 David Edelsohn <edelsohn@gnu.org>
20027 PR rtl-optimization/25662
20028 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
20029 for constant operands instead of simplify_gen_binary.
20030 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
20031 after trying simplify_binary_operation
20033 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
20035 * tree.c (iterative_hash_expr): Hash decls based on UID.
20037 2006-01-06 Eric Christopher <echristo@apple.com>
20039 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
20040 (TARGET_UNWIND_EMIT): Fix spelling.
20041 * target.h (gcc_target): Add except_table_label.
20042 * except.c (output_function_exception_table): Use.
20043 * varasm.c (default_emit_except_table_label): New.
20044 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
20046 (asm_out): Add here.
20047 * output.h (default_emit_except_table_label): Prototype.
20048 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
20049 * config/darwin.c (darwin_emit_except_table_label): Define.
20050 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
20052 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
20054 PR tree-optimization/18527
20055 * tree-ssa-loop-niter.c (number_of_iterations_cond,
20056 number_of_iterations_special, number_of_iterations_exit):
20057 Move base and step of an iv to a single structure. Add
20058 no_overflow flag, and use it in # of iterations analysis.
20059 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
20060 folded_casts argument.
20061 (simple_iv): Pass base and step in a structure. Set no_overflow
20063 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
20064 Evaluate expensiveness of computing # of iterations instead of
20065 the final expression.
20066 * tree-scalar-evolution.h (affine_iv): New structure.
20067 (simple_iv): Declaration changed.
20068 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
20069 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
20070 find_givs_in_stmt): Changed due to simple_iv change.
20072 2006-01-06 Jeff Law <law@redhat.com>
20075 * tree-cfg.c (bsi_replace): Rename final argument from
20076 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
20077 change (stmt -> orig_stmt).
20078 * tree-eh.c (verify_eh_throw_stmt_node): New function.
20079 (bsi_remove): Add new argument. Remove EH information
20081 (verify_eh_throw_table_statements): New function.
20082 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
20084 * tree-optimize.c (execute_free_cfg_annotations): Verify
20085 the EH throw statement table after removing annotations.
20086 * except.h (verify_eh_throw_table_statements): Prototype.
20087 * tree-flow.h (bsi_remove): Update prototype.
20088 * tree-vrp.c (remove_range_assertions): Add new argument to
20090 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
20091 * tree-complex.c (expand_complex_div_wide): Likewise.
20092 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
20093 * tree-tailcall.c (eliminate_tailcall): Likewise.
20094 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
20095 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
20096 * tree-nrv.c (tree_nrv): Likewise.
20097 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
20098 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
20099 (combine_blocks): Likewise.
20100 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
20101 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
20102 (cleanup_control_flow): Likewise.
20103 (remove_forwarder_block): Likewise.
20104 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
20105 * tree-sra.c (sra_replace): Likewise.
20106 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
20107 (forward_propagate_single_use_vars): Likewise.
20108 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
20109 * tree-inline.c (expand_call_inline): Likewise.
20110 * tree-vect-transform.c (vect_transform_loop): Likewise.
20111 * tree-outof-ssa.c (rewrite_trees): Likewise.
20112 * tree-cfg.c (make_goto_expr_edges): Likewise.
20113 (cleanup_dead_labels): Likewise.
20114 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
20115 (bsi_move_before, bsi_move_after): Likewise.
20116 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
20117 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
20119 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
20122 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
20124 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
20125 on non gimple variables. Also add checks at the top for decls and
20127 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
20129 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
20130 and IMAGPART_EXPR for creating MUST_DEFs.
20131 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
20132 and NAME_MEMORY_TAG separately from the DECLs.
20134 2006-01-06 Richard Guenther <rguenther@suse.de>
20136 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
20137 annotation, if necessary.
20138 * tree-ssa-pre.c (create_expression_by_pieces): Remove
20139 redundant calls to update_stmt.
20140 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
20143 2006-01-05 Richard Henderson <rth@redhat.com>
20145 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
20147 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20149 * c-typeck.c: Update copyright date.
20151 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20153 * c-typeck.c (build_c_cast): Always warn when casting
20154 from a pointer to an integer of different size, even if
20155 the node was constant.
20157 2006-01-05 Richard Guenther <rguenther@suse.de>
20159 PR tree-optimization/22555
20160 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
20161 if one structure field is an array.
20162 * tree-ssa-operands.c (get_expr_operands): Continue scanning
20163 operands even if we found a subvar, but ignore VOPs in this
20165 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
20167 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
20169 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
20171 PR middle-end/24998
20172 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
20174 2006-01-05 Richard Guenther <rguenther@suse.de>
20175 Diego Novillo <dnovillo@redhat.com>
20177 * tree-pass.h (TODO_remove_unused_locals): Define.
20178 * gimple-low.c (expand_var_p, remove_useless_vars,
20179 pass_remove_useless_vars): Remove. Update all users.
20180 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20181 (remove_unused_locals): New function.
20182 * tree-flow.h (remove_unused_locals): Declare.
20183 * passes.c (execute_todo): Call remove_unused_locals if
20184 TODO_remove_unused_locals is set.
20185 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20186 * tree-ssa-dce.c (pass_dce): Likewise.
20187 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20189 2006-01-05 Richard Guenther <rguenther@suse.de>
20191 * tree-flow.h (struct fieldoff): Decompose field to
20192 type, size and decl.
20193 * tree-ssa-alias.c (create_sft): Take type as parameter.
20194 (create_overlap_variables_for): Store type, size and decl
20195 in the fieldoff structure.
20196 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20197 of struct fieldoff.
20198 (push_fields_onto_fieldstack): Likewise.
20199 (create_variable_info_for): Likewise. Use offset for the
20200 SFT name if the decl is not available.
20202 2006-01-04 Paul Brook <paul@codesourcery.com>
20204 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20206 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20208 * lambda-code.c (can_put_in_inner_loop): Relax
20210 (can_put_after_inner_loop): New function.
20211 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20212 (perfect_nestify): Change to make copies and modify uses.
20214 2006-01-04 Richard Henderson <rth@redhat.com>
20216 Merge from gomp branch:
20217 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20218 via integer constant.
20219 (pragma_lex): Remove.
20220 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20221 rather than parsing it.
20222 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20223 handle_pragma_extern_prefix): Add %< %> quotes.
20224 (registered_pragmas): New.
20225 (c_register_pragma_1): New.
20226 (c_register_pragma): Use it.
20227 (c_register_pragma_with_expansion): Likewise.
20228 (c_invoke_pragma_handler): New.
20229 (init_pragma): Use cpp_register_deferred_pragma directly for
20231 * c-pragma.h (enum pragma_kind): New.
20232 (pragma_handler): New.
20233 (c_invoke_pragma_handler): Declare.
20234 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20236 * c-common.h (c_common_pch_pragma): Update decl.
20237 * Makefile.in (c-parser.o): Update dependencies.
20238 (GTFILES): Add c-pragma.h.
20239 * c-parser.c (struct c_token): Add pragma_kind.
20240 (struct c_parser): Add in_pragma.
20241 (c_lex_one_token): Always initialize keyword and pragma_kind.
20242 Extract data for CPP_PRAGMA.
20243 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20244 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20245 Don't allow CPP_PRAGMA_EOL if in_pragma.
20246 (c_parser_consume_pragma): New.
20247 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20248 (c_parser_skip_to_end_of_parameter): Likewise.
20249 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20250 (c_parser_skip_to_pragma_eol): New.
20251 (c_parser_external_declaration): Handle CPP_PRAGMA.
20252 (c_parser_compound_statement_nostart): Likewise.
20253 (c_parser_statement_after_labels): Likewise.
20254 (c_parser_pragma): New.
20255 (pragma_lex): Likewise.
20256 (c_parser_pragma_pch_preprocess): New.
20257 (c_parser_new): Merge into ...
20258 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20260 2006-01-04 Jeff Law <law@redhat.com>
20263 * tree-cfg.c (bsi_replace): Remove the original statement
20264 from the EH throw statement table.
20266 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20268 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20269 make the prototype extern "C" and add throw ().
20272 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20273 and pos non-negative and pos + len <= 32.
20274 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20275 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20276 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20279 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20280 as well as sizes not multiple of component size.
20283 * function.c (instantiate_expr): New function.
20284 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20285 walk its DECL_VALUE_EXPR with instantiate_expr.
20287 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20288 DW_OP_deref{,_size} if address isn't going to be added.
20290 2006-01-04 Ben Elliston <bje@au.ibm.com>
20292 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20293 * config/fp-bit.c: Likewise.
20295 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20297 * dominance.c: Add comment about why we use DFS numbering
20300 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20301 Richard Henderson <rth@redhat.com>
20303 Merge from gomp-branch:
20304 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20305 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20307 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20309 PR rtl-optimization/25578
20310 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20311 pass a parameter to simplify_shift_const if changing ASHIFTRT
20314 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20316 * builtins.c (get_builtin_sync_mem): New function.
20317 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20318 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20319 Call get_builtin_sync_mem to generate mem rtx.
20321 2006-01-03 Richard Guenther <rguenther@suse.de>
20324 * stmt.c (add_case_node): Make sure to clear overflow flags
20327 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20329 Merge from gomp-branch.
20330 * config/sparc/sync.md: New file.
20331 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20332 UNSPECV_LDSTUB): New constants.
20333 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20334 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20335 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20338 2006-01-03 Roger Sayle <roger@eyesopen.com>
20340 * combine.c (reg_subword_p): New predicate to test whether the
20341 destination of a set refers to a subword/piece of a register.
20342 (try_combine): Generalize the code to merge the setting of a
20343 pseudo to a constant followed by a set of a subword of that
20344 register to a constant.
20346 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20348 * basic-block.h (control_flow_graph): Change the type of
20349 x_label_to_block_map to VEC(basic_block,gc) *.
20350 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20351 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20353 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20354 VEC(basic_block,heap) *.
20355 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20356 ssa_prop_fini): Adjust the uses of cfg_blocks.
20358 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20360 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20362 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20363 hashing trees instead of a pointer hash.
20364 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20365 compare for MEM_EXPR.
20367 PR rtl-optimization/25130
20368 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20369 when comparing MEMs for GCSE
20371 2006-01-03 Ben Elliston <bje@au.ibm.com>
20373 * targhooks.h (default_decimal_float_supported_p): Declare.
20374 * targhooks.c (default_decimal_float_supported_p): Define.
20375 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20376 `default_decimal_float_supported_p'.
20377 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20379 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20381 * combine.c (apply_distributive_law <SUBREG>): Check
20382 TRULY_NOOP_TRUNCATION.
20384 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20386 * dwarf2out.c (have_switched_text_section): Delete.
20387 (have_multiple_function_sections): New.
20388 (have_location_lists): Make 'bool'.
20389 (add_AT_loc_list): Use 'true' not '1'.
20390 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20391 (output_loc_list): Use have_multiple_function_sections.
20392 (output_ranges): Likewise.
20393 (dwarf2out_begin_function): Set have_multiple_function_sections if
20395 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20396 Check function_section rather than DECL_SECTION_NAME.
20397 (dwarf2out_finish): Use have_multiple_function_sections.
20398 Don't clear have_location_lists.
20400 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20401 Jan Hubicka <jh@suse.cz>
20403 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20404 case of conditional jump jumping to the next instruction.
20405 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20406 cases of conditional jump jumping to the next instruction.
20408 2006-01-02 Jan Hubicka <jh@suse.cz>
20410 * i386.c (*_cost): Add COSTS_N_INSNS.
20411 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20413 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20416 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20418 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20420 * config/arm/arm.c (all_fpus): Fix comment typo.
20421 * config/darwin.c: Likewise.
20422 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20423 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20424 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20426 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20428 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20429 (rs6000_split_compare_and_swapqhi): New.
20430 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20431 (sync_compare_and_swapqhi_internal): New.
20432 * config/rs6000/rs6000-protos.h: Declare.