1 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
3 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
5 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
6 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
7 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
8 config/sh/sh4-300.md, config/spu/spu-builtins.def,
9 config/spu/spu-c.c, config/spu/spu-modes.def,
10 config/spu/spu.c, config/spu/spu.md,
11 config/spu/spu_internals.h, config/spu/vmx2spu.h,
12 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
13 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
14 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
15 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
18 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
20 * config/spu/spu.c (spu_immediate): Remove trailing comma.
21 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
22 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
24 (floatv4siv4sf2): New.
25 (fix_truncv4sfv4si2): New.
26 (floatunsv4siv4sf2): New.
27 (fixuns_truncv4sfv4si2): New.
35 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
36 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
37 spu_resolve_overloaded_builtin instead of static inline functions.
39 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
41 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
42 type instead of the size of its mode to compute the highest and
43 lowest possible values. Still check the size of the mode before
44 flipping the signedness of the comparison.
46 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
48 * config/spu/predicates.md (spu_mov_operand): Add.
49 * config/spu/spu.c (spu_expand_extv): Remove unused code.
50 (print_operand_address, print_operand): Handle addresses containing AND.
51 (spu_split_load, spu_split_store): Use updated movti pattern.
52 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
53 stores in mov patterns for correct operation of reload.
54 (lq, lq_<mode>, stq, stq_<mode>): Remove.
56 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
59 * c-common.c (check_main_parameter_types): Check for error_mark_node.
61 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
63 * common.opt (ftree-combine-temps): Remove.
64 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
65 (coalesce_ssa_name): Don't check for combine-temps.
66 (coalesce_vars): Remove.
67 (check_replaceable): Use num_imm_uses.
68 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
69 check for combine-temps.
70 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
71 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
72 to register_ssa_partition calls.
73 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
74 (init_var_map, delete_var_map): remove refernces to ref_count.
75 (create_ssa_var_map): Never calculate a ref count.
76 (type_var_init): Remove.
77 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
78 (SSA_VAR_MAP_REF_COUNT): Delete.
79 (create_ssa_var_map): Change Prototype to have no parameters.
80 (version_ref_count): Delete.
81 (register_ssa_partition): Remove 'is_use' paramater and don't set the
83 (type_var_num, type_var, type_var_first_partition,
84 type_var_next_partition, type_var_dump, type_var_delete,
85 type_var_remove_partition, type_var_find, type_var_compact,
86 type_var_decompact): Remove.
88 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
90 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
93 2006-12-01 Richard Guenther <rguenther@suse.de>
96 * dwarf2out.c (struct pubname_struct): Make name const.
97 (add_pubtype): Do not xstrdup identifiers.
99 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
101 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
102 multiword accesses are in range.
104 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
106 PR tree-optimization/29921
107 * tree-ssa-ccp.c (canonicalize_float_value): New function.
108 (set_lattice_value): Use canonicalize_float_value.
110 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
112 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
113 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
114 (spu_cpu_cpp_builtins): Remove.
115 (spu_override_options): Don't set warn_main.
116 (spu_force_reg): Move from spu-c.c.
117 (spu_check_builtin_parm): Likewise.
118 (expand_builtin_args): Likewise.
119 (spu_expand_builtin_1): Likewise.
120 (spu_expand_builtin): Likewise.
121 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
122 warn_main and targetm.resolve_overloaded_builtin.
123 * config/spu/spu-c.c (spu_builtin_range): Remove.
124 (spu_check_builtin_parm): Remove.
125 (expand_builtin_args): Remove.
126 (spu_expand_builtin_1): Remove.
127 (spu_expand_builtin): Remove.
128 (spu_cpu_cpp_builtins): Moved from spu.c
129 (spu_force_reg): Remove.
131 2006-12-01 Joseph Myers <joseph@codesourcery.com>
132 David Edelsohn <edelsohn@gnu.org>
135 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
136 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
137 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
138 HARD_REGNO_NREGS_WITH_PADDING): Define.
139 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
140 HARD_REGNO_NREGS_WITH_PADDING): Define.
141 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
142 Use new macros to detect modes with holes; do not look at integer
144 (subreg_offset_representable_p): Check for and disallow cases
145 where the modes use different numbers of bits from registers.
146 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
147 constant for soft-float.
148 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
150 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
152 * config/rs6000/rs6000.md (movtf): Allow soft-float.
153 (movtf_softfloat): New.
155 2006-11-30 Richard Sandiford <richard@codesourcery.com>
157 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
160 2006-11-30 Andrew Macleod <amacleod@redhat.com>
162 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
163 (COALESCE_HASH_FN): New. Define hash function.
164 (partition_pair_map_hash): New. Hash value for a partition pair.
165 (partition_pair_map_eq): New. Equality for hash pairs.
166 (create_coalesce_list): Create hash table.
167 (delete_coalesce_list): Free hash table.
168 (find_partition_pair): Find/create pairs in hash table.
169 (compare_pairs): Sort pairs in ascending order now.
170 (num_coalesce_pairs): New. Number of pairs in hash table.
171 (struct partition_pair_iterator): Iterator struct for pair table.
172 (first_partition_pair): Iterator function for first pair.
173 (end_partition_pair_p): Iterator function for end of iteration.
174 (next_partition_pair): Iterator function for next pair.
175 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
176 (sort_coalesce_list): Sort pairs from hash table into an array.
177 (pop_best_coalesce): Take pairs from the array.
178 (dump_coalesce_list): Update to use hash table or sorted array.
179 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
180 (struct coalesce_list_d): Add hash table related fields.
182 2006-11-30 Jan Hubicka <jh@suse.cz>
185 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
186 memmove/bcopy->memcpy conversion.
188 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
190 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
191 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
192 Default is the largest alignment supported for 32-bit ELF and
193 representable on a 32-bit host.
195 2006-11-30 Janis Johnson <janis187@us.ibm.com>
197 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
199 2006-11-30 Jan Hubicka <jh@suse.cz>
201 * tree-ssa-operands.h (struct ssa_operands): New.
202 * tree-flow-inline.h (gimple_ssa_operands): New function.
203 * tree-flow.h: (struct gimple_df): Add ssa_operands.
204 * Makefile.in: Remove gt-tree-ssa-operands.h
205 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
206 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
207 operand_memory, operand_memory_index, ops_active): Remove statics.
208 (ALLOC_OPTYPE): Update.
209 (operand_build_sort_virtual): Update.
210 (ssa_operands_active): Update.
211 (init_ssa_operands): Update.
212 (fini_ssa_operands): Update.
213 (ssa_operand_alloc): Update.
214 (INITIALIZE_USE): Update.
215 (finalize_ssa_use_ops): Update.
216 (finalize_ssa_v_may_def_ops): Update.
217 (finalize_ssa_vuse_ops): Update.
218 (finalize_ssa_v_must_def_ops): Update.
220 2006-11-30 Richard Guenther <rguenther@suse.de>
222 * tree-vectorizer.h (vectorizable_function): Export.
223 * tree-vect-transform.c (vectorizable_function): Likewise.
224 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
225 type_in to scalar type in recognition of squaring.
226 Make sure the target can vectorize sqrt in recognition
227 of sqrt, set type_in to vector type in this case.
229 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
231 * config/i386/i386.md (R10_REG): New constant.
232 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
233 (ix86_emit_restore_regs_using_mov): Ditto.
234 (ix86_expand_call): Ditto.
235 (x86_output_mi_thunk): Ditto. Also use R10_REG.
237 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
239 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
240 * alias.c (canon_true_dependence): Update comment.
242 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
244 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
245 at the end of a diagnostics message.
247 * alloc-pool.c (pool_free): Postpone clearing the pool entry
248 until after asserting that it was allocated in the right pool.
250 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
251 successor edge information as well. Make output of live regs
252 on exit consistent with live regs on entry.
254 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
257 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
258 insn patterns for TARGET_80387.
259 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
260 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
261 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
262 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
263 Generate truncxf<mode>2 insn patterns for strict SSE math.
265 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
267 * config/i386/i386.md (movsf_1): Enable pattern for standard
268 80387 constants before reload when optimizing for size.
269 (*movdf_nointeger, *movdf_integer): Ditto.
270 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
271 80387 constants before reload when not optimizing for size.
273 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
274 extension of XFmode input operands.
276 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
278 * config/spu/crt0.c (__dso_handle): Define.
280 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
282 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
283 when clearing the used flags.
285 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
287 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
289 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
292 * config/spu/spu.md (extend_compare<mode>): New pattern.
293 (extend_compare): Change to expand and use the above pattern.
295 2006-11-29 Janis Johnson <janis187@us.ibm.com>
297 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
299 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
300 (DFP_INIT_ROUNDMODE): Define.
301 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
302 * mklibgcc.in: Fix dependencies for dfp-bit.c.
304 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
306 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
307 Update documentation.
308 (associate_line_notes_with_blocks): Kill.
309 (extend_bb): Remove basic block argument, put void instead.
310 Remove line number handling for each bb.
311 (save_line_notes): Kill.
312 (restore_line_notes): Kill.
313 (sched_init): Remove line_note_head initialization.
314 Change extend_bb call.
315 (sched_finish): Remove free of line_note_head.
316 (add_block): Change extend_bb call.
317 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
318 rm_line_notes and restore_line_notes calls.
319 (schedule_ebbs): Remove rm_redundant_line_notes.
320 * sched-int.h (struct haifa_insn_data): Remove line_note.
321 (save_line_notes): Remove declaration.
322 (restore_line_notes): Remove declaration.
323 * modulo-sched.c (loop_canon_p): Update debug info printing
324 by using insn locators instead of line note.
325 (sms_schedule): Update debug info printing, by using insn
326 locators instead of line note.
327 * sched-rgn.c (debug_dependencies): Remove handling of case
328 n>0 (line number), since it's a dead code.
329 (schedule_region): Remove save_line_notes and
330 restore_line_notes calls.
332 2006-11-29 Joseph Myers <joseph@codesourcery.com>
334 * config/rs6000/predicates.md (gpc_reg_operand): Check
336 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
337 SImode subregs of SPE vectors.
338 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
339 * jump.c (true_regnum): Require subregs to satisfy
340 subreg_offset_representable_p.
342 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
343 Steven Bosscher <stevenb.gcc@gmail.com>
345 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
346 since it no longer exists.
348 2006-11-29 Duncan Sands <baldrick@free.fr>
350 PR tree-optimization/23744
351 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
353 2006-11-29 Duncan Sands <baldrick@free.fr>
355 PR tree-optimization/23744
356 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
358 2006-11-29 Duncan Sands <baldrick@free.fr>
360 PR tree-optimization/23744
361 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
363 2006-11-29 Jie Zhang <jie.zhang@analog.com>
365 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
367 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
369 * sh.opt (minline-ic_invalidate): New option.
370 (musermode): Adjust comment.
371 * sh.c (sh_initialize_trampoline): Emit library call unless
372 is set; if it is set, don't emit library call if we can use icbi
374 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
375 icbi for TARGET_SH4_300.
376 * t-sh (LIB1ASMFUNCS_CACHE): Set.
377 * doc/invoke.texi: Document -minline-ic_invalidate; Update
378 -musermode documentation.
380 2006-11-29 Jim Tison <jtison@us.ibm.com>
382 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
383 __gthread_recursive_mutex_init): Define.
385 2006-11-29 Joseph Myers <joseph@codesourcery.com>
387 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
388 STRICT_ALIGNMENT and the type is more aligned than the saved
389 registers, copy via a temporary.
391 2006-11-28 Andrew Pinski <pinskia@gmail.com>
394 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
397 2006-11-28 Bob Wilson <bob.wilson@acm.org>
399 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
401 2006-11-28 Jan Hubicka <jh@suse.cz>
403 Privatize SSA variables into gimple_df.
405 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
406 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
407 gimple_nonlocal_all): New accessors.
408 (first_referenced_var): Update.
409 (mark_stmt_modified): Update.
410 (is_call_clobbered): Update.
411 (mark_call_clobbered): Update.
412 (clear_call_clobbered): Update.
413 (mark_non_addressable): Update.
414 * tree-vrp.c (get_value_range): Update.
415 * tree-into-ssa.c (in_ssa_p): Kill.
416 (get_default_def_for): Update.
417 (rewrite_into_ssa): Update.
418 * tree-complex.c (init_parameter_lattice_values): Update.
419 (update_complex_assignment): Update.
420 (update_parameter_components): Update.
421 (expand_complex_libcall): Update.
422 (expand_complex_operations_1): Update.
423 * tree-tailcall.c (arg_needs_copy_p): Update.
424 (add_virtual_phis): Update.
425 (tree_optimize_tail_calls_1): Update.
426 * tree-ssa-dse.c (memory_ssa_name_same): Update.
427 * tree-ssa-copyrename.c
428 (copy_rename_partition_coalesce): Update.
429 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
430 * tree-ssa-propagate.c (set_rhs): Update.
431 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
432 addressable_vars, global_var):Kill.
433 (set_initial_properties): Update.
434 (init_alias_info): Update.
435 (finalize_ref_all_pointers): Update.
436 (setup_pointers_and_addressables): Update.
437 (maybe_create_global_var): Update.
438 (create_global_var): Update.
439 (dump_points_to_info): Update.
440 * function.h (struct gimple_df): Forward declare.
441 (struct function): Add GIMPLE_DF field.
442 * gimplify.c (force_gimple_operand): Update.
443 * tree-dfa.c (referenced_vars, default_defs): KIll.
444 (make_rename_temp): Update.
445 (dump_variable): Update.
446 (referenced_var_lookup): Update.
447 (referenced_var_check_and_insert): Update.
448 (default_def): Rename to ...
449 (gimple_default_def): ... this one; accept cfun argument.
450 (set_default_def): Update.
451 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
452 (cleanup_control_flow): Update.
453 * tree-ssa-pre.c (compute_avail): Update
454 * tree-ssa-live.c (calculate_live_on_entry): Update.
455 * tree-ssa.c (verify_use): Update.
456 (verify_call_clobbering): Update.
457 (verify_call_clobbering): Update.
458 (init_tree_ssa): Update.
459 (delete_tree_ssa): Update.
460 * tree-outof-ssa.c (coalesce_ssa_name): Update.
461 (rewrite_out_of_ssa): Update.
462 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
463 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
465 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
466 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
467 addressable_vars, aliases_computed_p): Kill.
468 (default_def): Rename to...
469 (gimple_default_def): ... this one.
470 (defaule_def_fn): Kill.
471 (num_referenced_vars, ssa_names, num_ssa_names): Update.
472 * tree-ssa-structalias.c (nonlocal_all): Kill.
473 (get_constraint_exp_from_ssa_var): Update.
474 (create_nonlocal_var): Update.
475 (get_constraint_for): Update.
476 (update_alias_info): Update.
477 (find_global_initializers): Update.
478 (intra_create_variable_infos): Update.
479 (intra_create_variable_infos):
480 (find_what_p_points_to): Update.
481 (init_alias_heapvars): Update.
482 * tree-cfg.c (remove_bb): Update.
483 (gimplify_val): Update.
484 * tree-ssa-reassoc.c (get_rank): Update.
485 (init_reassoc): Update.
486 * tree-ssanames.c: Do not include gt-tree-ssanames.h
487 (ssa_names, free_ssanames): Kill.
488 (init_ssanames): Update.
489 (make_ssa_name): Update.
490 (release_ssa_name): Update.
491 (release_defs): Update.
492 (replace_ssa_name_symbol): Update.
493 * tree-ssa-operands.c (access_can_touch_variable): Update.
494 (add_virtual_operand): Update.
495 (add_call_clobber_ops): Update.
496 (add_call_read_ops): Update.
497 (get_call_expr_operands): Update.
498 (get_asm_expr_operands): Update.
500 2006-11-28 Jan Hubicka <jh@suse.cz>
502 * builtins.c: Include tree-flow.h.
503 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
504 assignment; convert memmove to memcpy for sizes greater than 1 where
505 alignment of operands prohibit the partial overlap.
507 2006-11-28 Jan Hubicka <jh@suse.cz>
509 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
510 * cgraph.c (dump_cgraph_node): Dump stack usage.
511 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
512 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
513 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
514 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
515 (cgraph_check_inline_limits): Limit stack growth.
516 * cfgexpand.c: Include tree-inline.h.
517 (account_stack_vars): New function.
518 (expand_one_var): New param to just account the stack; return estimated
520 (expand_used_vars_for_block): Update call of expand_one_var.
521 (account_used_vars_for_block): New function.
522 (estimated_stack_frame_size): Likewise.
523 (init_vars_expansion, fini_vars_expansion): Break out from..
524 (expand_used_vars): ... here.
525 * tree-inline.h (estimated_stack_frame_size): Declare.
526 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
528 2006-11-28 Richard Guenther <rguenther@suse.de>
530 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
531 unsigned long for printing OBJECT_SIZE.
533 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
535 * alias.c (init_alias_analysis): Remove simplification loop
536 after propagating pointers.
538 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
540 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
543 2006-11-27 Bob Wilson <bob.wilson@acm.org>
545 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
547 2006-11-27 Roger Sayle <roger@eyesopen.com>
548 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
550 * c-common.c (constant_fits_type_p): Delete.
551 (unsigned_conversion_warning): Delete.
552 (conversion_warning): Integrate Wconversion warning from
553 unsigned_conversion_warning.
554 (convert_and_check): Integrate Woverflow warning from
555 unsigned_conversion_warning. Reorganize and simplify to avoid
556 dependence upon the middle-end setting TREE_OVERFLOW on integral
557 conversions, by using int_fits_type_p directly.
559 2006-11-27 Tobias Burnus <burnus@net-b.de>
561 * doc/invoke.texi: Fixed typo.
563 2006-11-27 Michael Matz <matz@suse.de>
564 Andreas Krebbel <krebbel1@de.ibm.com>
567 * config/s390/predicates.md (larl_operand): Check addend of larl
568 operand to be in range of -/+2GB.
569 * config/s390/s390.c (legitimize_pic_address): Likewise.
570 Changed type of variable even to HOST_WIDE_INT.
572 2006-11-27 Jan Hubicka <jh@suse.cz>
574 * expr.c (emit_block_move_via_libcall): Export.
575 (clear_storage_via_libcall): Rename to ...
576 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
577 (clear_storage): Update to set_storage_via_libcall.
578 * expr.h (emit_block_move_via_libcall): Declare
579 * config/i386/i386.h (stringop_alg): New enum.
580 (MAX_STRINGOP_ALGS): New constant.
581 (stringop_algs): New struct.
582 (processor_costs): Add memcpy/memset descriptors.
583 (TARGET_REP_MOVEL_OPTIMAL): Remove.
584 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
585 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
587 * config/i386/i386.opt (minline-stringops-dynamically,
588 mstringop-strategy): New
590 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
591 (ix86_expand-clrmem): Rename to ...
592 (ix86_expand_setmem): ... this one; update prototype.
593 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
594 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
595 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
596 nocona_cost, core2_cost, generic_cost, generic64_cost,
597 generic32_cost): Add memcpy/memset descriptors.
598 (x86_rep_movl_optimal): Remove.
599 (stringop_alg): New static variable.
600 (ix86_expand_aligntest): Handle predictions.
601 (override_options): Add strgop_alg handling.
602 (predict_jump): New function.
603 (scale_counter): New function.
604 (expand_set_or_movmem_via_loop): New function.
605 (expand_movmem_via_rep_mov): New function.
606 (expand_setmem_via_rep_stots): New function.
607 (emit_strmov): New function.
608 (expand_movmem_epilogue): New function.
609 (expand_setmem_epilogue_via_loop): New function.
610 (expand_setmem_epilogue): New function.
611 (expand_movmem_prologue): New function.
612 (expand_setmem_prologue): New function.
613 (decide_alg): New function.
614 (decide_alignment): New function.
615 (ix86_exand_movmem): Rewrite.
616 (promote_duplicated_reg): New function.
617 (ix86_expand_clrmem): Rename to ...
618 (ix86_expand_setmem): ... this one. Rewrite.
620 * invoke.texi (minline-stringops-dynamically): New command line option.
621 (mstringop-strategy): Likewise.
623 2006-11-27 Jan Hubicka <jh@suse.cz>
625 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
626 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
627 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
628 * insn-notes.def (FUNCTION_END): Remove.
629 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
630 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
632 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
633 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
634 * cfglayout.c (duplicate_insn_chain): Don't worry about
637 2006-11-27 Richard Guenther <rguenther@suse.de>
638 Zdenek Dvorak <dvorakz@suse.cz>
640 * target.h (struct gcc_target): Add builtin_vectorized_function
642 * target-def.h (TARGET_VECTORIZE): Likewise.
643 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
644 Document new target hook.
645 * targhooks.h (default_builtin_vectorized_function): Declare.
646 * targhooks.c (default_builtin_vectorized_function): Define.
647 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
648 (vectorizable_call): Declare.
649 * tree-vect-analyze.c (vect_analyze_operations): Call
651 * tree-vect-transform.c (vectorizable_function): New static function.
652 (build_vectorized_function_call): Likewise.
653 (vectorizable_call): New function.
654 (vect_transform_stmt): Handle vectorizable calls.
656 2006-11-27 Richard Guenther <rguenther@suse.de>
659 * builtins.c (expand_builtin_pow): Optimize non integer valued
660 constant exponents using sqrt or cbrt if possible. Always fall back
661 to expanding via optabs.
663 2006-11-27 Ira Rosen <irar@il.ibm.com>
665 PR tree-optimization/22372
666 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
667 the type of the base address.
668 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
669 it in the data-ref pointer creation.
670 (vect_init_vector): Add an argument, type of the init vector. Use it in
672 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
673 (get_initial_def_for_reduction): Likewise.
674 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
676 (vectorizable_assignment, vect_permute_store_chain): Likewise.
677 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
678 correct type in stmt creation.
679 (vect_setup_realignment): Use the correct type in stmt creation.
680 (vect_permute_load_chain): Change type of MODIFY_EXPR to
682 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
683 of MODIFY_EXPR to void_type_node.
684 (vectorizable_condition): Change type of MODIFY_EXPR to
686 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
689 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
692 2006-05-08 Uros Bizjak <uros@kss-loka.si>
693 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
694 standard 80387 constants, raise the cost to prevent
695 compress_float_constant() to generate load from memory.
697 * config/i386/i386.md: Add new splitter pattern to split
698 float_extended load of constant from constant pool into
701 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
703 * doc/install.texi: Move GMP/MPFR configure options from Fortran
704 section to general section. Remove documentation for
705 --with-mpfr-dir and --with-gmp-dir, add documentation for
706 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
709 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
711 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
713 * testsuite/gcc.dg/ipa/ipa-6.c: New.
715 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
717 PR tree-optimization/29122
718 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
719 for the new version. Assign NULL to DECL_RTL of the new version.
721 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
723 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
725 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
727 * cse.c (cse_altered): Remove.
728 (record_jump_equiv): Make true/false argument a bool instead
730 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
731 where appropriate. Emit a new jump before the existing one
732 instead of after so that delete_insn_and_edges removes the
733 dead edges properly. Check any_condjump_p before calling
735 (cse_basic_block): Check any_condjump_p before calling
737 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
739 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
741 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
742 -ffixed-line-length-* options.
744 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
746 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
747 (fprem1xf4): Rename to fprem1xf4_i387.
749 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
750 Rename patterns to fmod<mode>3. Use general_operand operand
751 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
752 patterns for SSE math.
753 (remaindersf3, remainderdf3): Ditto.
755 2006-11-25 Joseph Myers <joseph@codesourcery.com>
757 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
758 inside start_sequence / end_sequence pair.
760 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
762 * jump.c (mark_all_labels): Work in cfglayout mode.
763 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
764 when in cfglayout mode, because there are no dead jumptables
766 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
768 (commit_edge_insertions): Do not allow insertion of instructions
769 with control flow insns when in cfglayout mode.
771 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
773 * tree-vrp.c (execute_vrp): Do not pass loops structure through
775 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
776 unswitch_loop): Ditto.
777 * tree-loop-linear.c (linear_transform_loops): Ditto.
778 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
779 tree_ssa_lim): Ditto.
780 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
781 free_numbers_of_iterations_estimates): Ditto.
782 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
783 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
784 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
785 remove_path, add_loop, loopify, unloop, fix_loop_placements,
786 place_new_loop, duplicate_loop, duplicate_subloops,
787 update_single_exit_for_duplicated_loops, copy_loops_to,
788 duplicate_loop_to_header_edge, create_preheaders,
789 force_single_succ_latches, loop_version, fix_loop_structure):
791 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
792 tree_unroll_loop): Ditto.
793 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
794 * tree-scalar-evolution.c (select_loops_exit_conditions,
795 scev_initialize, scev_analysis): Ditto.
796 * tree-scalar-evolution.h (scev_initialize): Ditto.
797 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
798 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
799 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
800 * modulo-sched.c (sms_schedule): Ditto.
801 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
802 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
803 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
804 * ifcvt.c (if_convert): Ditto.
805 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
806 canonicalize_loop_induction_variables,
807 canonicalize_induction_variables,
808 tree_unroll_loops_completely, remove_empty_loops): Ditto.
809 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
810 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
811 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
812 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
813 tree_ssa_loop_done): Ditto.
814 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
815 estimate_bb_frequencies): Ditto.
816 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
817 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
818 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
819 decide_unrolling_and_peeling, peel_loop_completely,
820 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
821 peel_loop_simple, unroll_loop_stupid): Ditto.
822 * loop-doloop.c (doloop_optimize_loops): Ditto.
823 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
824 * loop-invariant.c (move_loop_invariants): Ditto.
825 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
826 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
827 tree_ssa_prefetch_arrays): Ditto.
828 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
830 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
831 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
832 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
833 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
834 verify_loop_structure): Ditto.
835 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
836 canonicalize_induction_variables, tree_unroll_loops_completely,
837 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
838 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
839 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
840 tree_unroll_loop, linear_transform_loops): Declaration changed.
841 * basic-block.h: Remove declaration of struct loops.
842 * cfghooks.h (struct cfg_hooks): Change type of
843 cfg_hook_duplicate_loop_to_header_edge.
844 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
845 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
846 vect_transform_loop): Declaration changed.
847 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
848 * cfgloop.h (flow_loops_dump, fix_loop_structure,
849 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
850 cancel_loop_tree, create_preheaders, force_single_succ_latches,
851 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
852 loopify, loop_version, remove_path, unswitch_loops,
853 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
856 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
858 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
859 (X87MODEF): New mode macro.
860 (ssemodefsuffix): New mode attribute.
861 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
862 (sqrt_extend<mode>xf2_i387): New insn pattern.
863 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
864 insn and truncate result back to original mode using
865 UNSPEC_TRUNC_NOOP truncation.
866 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
867 ssemodefsuffix mode attribute.
868 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
869 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
870 (*sqrtextenddfxf2_i387): Remove insn patterns.
872 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
875 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
877 2006-11-24 Jakub Jelinek <jakub@redhat.com>
880 * c-tree.h (c_maybe_initialize_eh): New prototype.
881 * c-decl.c (finish_decl): Move EH initialization...
882 (c_maybe_initialize_eh): ... here. New function.
883 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
884 if not #pragma omp atomic.
887 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
888 or UNION_TYPE inner types.
890 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
893 * ipa-pure-const.c (check_tree): If the original tree
894 is volatile return early and say the function is not pure
895 nor const. Remove the volatile check for writes.
896 (analyze_function): Print out the result of the local
899 2006-11-24 Joseph Myers <joseph@codesourcery.com>
901 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
903 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
904 * config/rs6000/rs6000.c (rs6000_override_options): Use
905 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
908 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
910 * config/s390.c (s390_emit_compare_and_swap): New function.
911 (s390_expand_cs_hqi, s390_expand_atomic): Call
912 s390_emit_compare_and_swap.
914 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
916 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
918 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
922 * c-common.c (conversion_warning): New.
923 (convert_and_check): Call conversion_warning unless there is an
925 * doc/invoke.texi (-Wconversion): Update description.
927 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
929 * tree-ssa-alias.c (tree_pointer_compare): New function.
930 (compact_name_tags): New function.
931 (group_aliases): Call compact_name_tags.
933 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
935 * real.h (real_isinteger): Declare.
936 * real.c (real_isinteger): Define.
937 * builtins.c (integer_valued_real_p): Use it.
939 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
942 * c.opt (Wtraditional-conversion): New.
943 (Wconversion): Update description.
944 * c-typeck.c (convert_arguments): Warnings for prototypes causing
945 type conversions different from what would happen in the absence
946 of prototype are now handled by Wtraditional-conversion.
947 * doc/invoke.texi (Wtraditional-conversion): New.
948 (Wconversion): Update description.
949 * doc/trouble.texi (Wconversion): Replace Wconversion by
950 Wtraditional-conversion.
952 2006-11-23 Andrew Pinski <pinskia@gmail.com>
954 * predict.c (tree_estimate_probability): Check to make
955 sure current_loops is non null before calling flow_loops_dump.
957 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
959 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
961 2006-11-23 David Ung <davidu@mips.com>
963 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
965 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
966 (ASM_SPEC): Pass along -mfp32 and -mfp64.
967 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
968 high part of FP register when in 64-bit FP register mode. Similarly
969 use gen_mfhc1 to load high part of FP register.
970 (override_options): Allow -mgp32 and -mfp64 combination if
971 ISA_HAS_MXHC1 (currently for O32 only).
972 (mips_cannot_change_mode_class): If floating-point registers are
973 bigger than word size. disallow conversion of float register from a
974 large integer mode to a float mode smaller than the float register
976 (mips_class_max_nregs): Handle float registers case seperately.
977 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
979 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
980 (movdf_hardfloat_32bit): Similarly.
981 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
982 support a full 64-bit fpu.
983 (mthc1): New pattern to generate MTHC1 instruction.
984 (mfhc1): New pattern to generate MFHC1 instruction.
985 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
986 option for the MIPS32R2 and mention its use under O32 ABI.
988 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
990 * var-tracking.c (emit_note_insn_var_location): Take care not to
991 cause verify_flow_info failures.
993 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
995 * tree-ssa-structalias.c: Remove edge weights in favor of just
996 processing them as complex constraints.
997 (struct constraint_graph): Remove weighted succs and preds. Rename
998 nonweighted succs and preds.
999 (constraint_edge): Removed.
1000 (constraint_edge_t): Ditto.
1001 (constraint_edge_pool): Ditto.
1002 (new_constraint_edge): Ditto.
1003 (constraint_edge_equal): Ditto.
1004 (constraint_edge_less): Ditto.
1005 (constraint_edge_vec_find): Ditto.
1006 (erase_self_graph_edge): Ditto.
1007 (add_graph_edge): Removed.
1008 (get_graph_weights): Ditto.
1009 (allocate_graph_weights): Ditto.
1010 (valid_weighted_graph_edge): Ditto
1011 (bitmap_other_than_zero_bit_set): Ditto.
1012 (int_add_graph_edge): Renamed to add_graph_edge.
1013 (clear_edges_for_node): Remove support for weighted edges.
1014 (merge_graph_nodes): Ditto.
1015 (valid_graph_edge): Ditto.
1016 (build_constraint_graph): Ditto.
1018 (collapse_nodes): Ditto.
1019 (process_unification_queue): Ditto.
1020 (topo_visit): Ditto.
1021 (do_ds_constraint): Ditto.
1022 (perform_var_subsitution): Ditto.
1023 (solve_graph): Ditto.
1024 (init_alias_vars): Ditto.
1025 (delete_points_to_sets): Ditto.
1026 (do_complex_constraint): Support offsetted copies here.
1028 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
1030 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
1032 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
1034 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
1037 2006-11-23 Ben Elliston <bje@au.ibm.com>
1039 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
1041 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
1043 PR tree-optimization/29921
1044 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
1045 signed and unsigned zero equal.
1047 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
1049 * config/rs6000/rs6000.c (get_store_dest): New.
1050 (adjacent_mem_locations): Use get_store_dest() to get
1051 the rtl of the store destination.
1053 2006-11-22 Joseph Myers <joseph@codesourcery.com>
1055 * config/rs6000/spe.md (SPE64): New mode macro.
1056 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
1058 (mov_si<mode>_e500_subreg0_2): New.
1059 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
1061 (mov_si<mode>_e500_subreg4_2): New.
1062 * config/rs6000/predicates.md (input_operand): Do not allow
1063 invalid E500 subregs.
1064 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
1066 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
1067 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
1068 involving vector modes if TARGET_SPE.
1070 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
1073 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1074 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1076 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
1078 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
1079 mem_i_address_operand): New predicates.
1080 * config/bfin/bfin.c (bfin_issue_rate): New function.
1081 (TARGET_SCHED_ISSUE_RATE): New macro.
1082 * config/bfin/bfin.md (addrtype): New attribute.
1083 (slot0, slot1, slot2, store, pregs): New cpu_units.
1084 (core): Now a define_reservation.
1085 (alu): Remove some insn types from this reservation.
1086 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
1088 (dummy reservation): Don't trigger for mcld insns.
1089 (absence_sets): Two new absence sets to enforce slot ordering.
1090 (popsi_insn): Set addrtype.
1092 2006-11-22 Ira Rosen <irar@il.ibm.com>
1094 * doc/c-tree.texi: Document new tree codes.
1095 * doc/md.texi: Document new optabs.
1096 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
1098 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
1099 * optabs.h (optab_index): Add new.
1100 (vec_extract_even_optab, vec_extract_odd_optab,
1101 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
1102 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1103 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1105 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1106 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1107 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1108 along with macros for their access.
1109 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1111 * tree-vect-analyze.c (toplev.h): Include.
1112 (vect_determine_vectorization_factor): Fix indentation.
1113 (vect_insert_into_interleaving_chain,
1114 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1115 (vect_analyze_data_ref_dependence): Add argument for interleaving
1116 check. Check for interleaving if it's true.
1117 (vect_check_dependences): New function.
1118 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1119 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1120 (vect_update_misalignment_for_peel): Update for interleaving.
1121 (vect_verify_datarefs_alignment): Check only first data-ref for
1123 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1124 only first data-ref for interleaving.
1125 (vect_analyze_data_ref_access): Check interleaving, update
1127 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1128 with different parameters.
1129 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1130 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1131 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1132 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1133 Update step in case of interleaving.
1134 (vect_strided_store_supported, vect_permute_store_chain): New
1136 (vectorizable_store): Handle strided stores.
1137 (vect_strided_load_supported, vect_permute_load_chain,
1138 vect_transform_strided_load): New functions.
1139 (vectorizable_load): Handle strided loads.
1140 (vect_transform_stmt): Add argument. Handle strided stores. Check
1141 that vectorized stmt exists for patterns.
1142 (vect_gen_niters_for_prolog_loop): Update calculation for
1144 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1145 whole chain vectorization.
1146 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1147 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1148 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1149 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1150 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1152 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1154 * cse.c (enum taken): Remove PATH_AROUND.
1155 (addr_affects_sp_p, invalidate_skipped_set,
1156 invalidate_skipped_block): Remove.
1157 (cse_end_of_basic_block): Remove skip_blocks and related code.
1158 (cse_main): Don't test for flag_cse_skip_blocks.
1159 Update cse_end_of_basic_block call.
1160 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1161 code to lengthen the path if a jump was simplified.
1163 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1165 PR rtl-optimization/29924
1166 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1167 (unroll_loop_runtime_iterations): Assert that the argument passed to
1168 split_edge_and_insert is not NULL.
1169 * loop-doloop.c (add_test): Ditto.
1171 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1173 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1175 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1176 * cfgloopmanip.c (update_single_exits_after_duplication,
1177 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1178 * tree-scalar-evolution.c (get_loop_exit_condition,
1179 get_exit_conditions_rec, loop_closed_phi_def,
1180 number_of_iterations_in_loop, scev_const_prop): Ditto.
1181 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1182 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1184 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1186 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1187 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1188 slpeel_make_loop_iterate_ntimes,
1189 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1190 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1192 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1193 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1194 vect_analyze_loop_form): Ditto.
1195 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1196 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1197 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1198 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1199 vect_transform_loop): Ditto.
1200 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1201 (single_exit, set_single_exit): New functions.
1202 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1203 (single_exit, set_single_exit): Declare.
1204 * doc/loop.texi: Undocument single_exit field. Document single_exit
1207 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1209 PR tree-optimization/29902
1210 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1211 any involved ssa name appears in abnormal phi node.
1213 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1215 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1216 (xtensa_const_ok_for_letter_p): Delete.
1217 (xtensa_extra_constraint): Delete.
1218 (override_options): Delete xtensa_char_to_class initialization.
1219 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1220 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1221 (EXTRA_CONSTRAINT): Delete.
1222 * config/xtensa/xtensa.md: Include constraints.md.
1223 (call_internal): Combine alternatives.
1224 (call_value_internal): Likewise, and remove invalid constraints.
1225 * config/xtensa/constraints.md: New file.
1226 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1227 (xtensa_extra_constraint): Delete.
1228 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1231 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1233 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1234 of conversion that doesn't fit.
1236 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1237 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1238 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1240 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1242 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1244 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1246 2006-11-21 Richard Guenther <rguenther@suse.de>
1248 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1249 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1250 vect_recog_pow_pattern.
1251 (vect_recog_pow_pattern): New function.
1253 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1255 * config/bfin/bfin.opt (mstack-check-l1): New.
1256 * doc/invoke.texi (Blackfin Options): Document it.
1257 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1258 stack bounds in L1 memory if the new option is enabled.
1259 (override_options): Don't allow combinations of -fstack-limit and
1261 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1264 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1266 (bfin_register_move_cost): Bump costs if trying to move plain
1267 integer values through accumulators.
1269 2006-11-21 Ben Elliston <bje@au.ibm.com>
1271 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1273 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1274 Russell Olsen <Russell_Olsen@playstation.sony.com>
1275 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1276 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1277 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1278 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1279 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1281 * config.gcc: Add target for SPU.
1282 * config/spu/constraints.md: New file.
1283 * config/spu/crt0.c: New file.
1284 * config/spu/crtend.c: New file.
1285 * config/spu/crti.asm: New file.
1286 * config/spu/crtn.asm: New file.
1287 * config/spu/float_unsdidf.c: New file.
1288 * config/spu/float_unssidf.c: New file.
1289 * config/spu/predicates.md: New file.
1290 * config/spu/spu-builtins.def: New file.
1291 * config/spu/spu-builtins.h: New file.
1292 * config/spu/spu-builtins.md: New file.
1293 * config/spu/spu-c.c: New file.
1294 * config/spu/spu-elf.h: New file.
1295 * config/spu/spu-modes.def: New file.
1296 * config/spu/spu-protos.h: New file.
1297 * config/spu/spu.c: New file.
1298 * config/spu/spu.h: New file.
1299 * config/spu/spu.md: New file.
1300 * config/spu/spu.opt: New file.
1301 * config/spu/spu_internals.h: New file.
1302 * config/spu/spu_intrinsics.h: New file.
1303 * config/spu/spu_mfcio.h: New file.
1304 * config/spu/t-spu-elf: New file.
1305 * config/spu/vec_types.h: New file.
1306 * config/spu/vmx2spu.h: New file.
1307 * doc/contrib.texi: Document SPU contributor.
1308 * doc/extend.texi: Document SPU extensions.
1309 * doc/invoke.texi: Document SPU options.
1310 * doc/md.texi: Document SPU constraints.
1312 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1314 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1316 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1318 (flow_loop_dump): Do not dump loop level.
1319 (flow_loops_find): Do not call flow_loops_level_compute.
1320 * cfgloop.h (struct loop): Remove level field.
1322 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1324 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1325 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1326 Use vector of edges instead of array.
1327 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1328 estimate_numbers_of_iterations_loop): Ditto.
1329 * predict.c (predict_loops): Ditto.
1330 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1331 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1333 * basic-block.h: Declare heap allocation for edge vectors.
1334 * tree-outof-ssa.c: Ditto.
1335 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1336 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1338 2006-11-20 Zack Weinberg <zackw@panix.com>
1340 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1341 Add another out parameter, "skip".
1342 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1343 is tagged "skip", do not mark its type used.
1345 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1348 * tree-sra.c (single_scalar_field_in_record_p): New function.
1349 (decide_block_copy): Use it.
1351 2006-11-20 David Daney <ddaney@avtrex.com>
1353 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1354 PC to point to following instruction.
1356 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1360 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1362 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1364 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1366 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1367 Add sh/superh.h to tm_file.
1369 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1370 Mark Mitchell <mark@codesourcery.com>
1372 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1374 (cpp_relocated): New function.
1375 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1377 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1378 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1379 replace configured prefix with gcc_exec_prefix.
1381 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1383 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1384 bfin_legitimate_constant_p.
1385 * config/bfin/bfin.md (movsi expander): Check return value of
1387 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1388 (expand_move): Adjust prototype.
1389 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1390 invalid constants specially.
1391 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1393 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1395 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1396 sibcall_value_symbol): Allow these patterns if
1397 TARGET_LEAF_ID_SHARED_LIBRARY.
1398 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1399 (override_options): Turn on id shared library flags if -msep-data,
1400 but disallow the combination of these options on the command line.
1401 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1402 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1403 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1404 -mid-shared-library.
1405 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1406 * doc/invoke.texi (Blackfin Options): Document new switches.
1408 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1409 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1411 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1412 inflate costs for addresses with an out-of-bounds address.
1414 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1417 * fwprop.c (loops): Remove.
1418 (forward_propagate_into): Use current_loops instead of
1420 (fwprop_init): Call loop_optimizer_init instead of
1422 (fwprop_done): Call loop_optimizer_finalize instead of
1424 (fwprop): Use current_loops instead of loops.
1426 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1429 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1431 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1434 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1435 larger than BITS_PER_WORD.
1437 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1441 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1442 to MAX_FIXED_MODE_SIZE.
1444 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1446 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1447 (fold_builtin_fmin_fmax): New.
1448 (fold_builtin_1): Use it.
1450 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1452 2006-11-18 Richard Guenther <rguenther@suse.de>
1454 * config/i386/i386.c (ix86_builtins): New array for ix86
1455 builtin function decls.
1456 (def_builtin): New function.
1457 (def_builtin_const): Likewise.
1458 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1460 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1462 * doc/invoke.texi (core2): Add item.
1464 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1466 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1467 (TARGET_CPU_DEFAULT_generic): Change value.
1468 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1469 (processor_type): Add new constant PROCESSOR_CORE2.
1471 * config/i386/i386.md (cpu): Add core2.
1473 * config/i386/i386.c (core2_cost): New initialized variable.
1474 (m_CORE2): New macro.
1475 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1476 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1477 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1478 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1479 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1480 x86_accumulate_outgoing_args, x86_prologue_using_move,
1481 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1482 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1483 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1484 x86_pad_returns): Add m_CORE2.
1485 (override_options): Add entries for Core2.
1486 (ix86_issue_rate): Add case for Core2.
1488 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1490 * doc/invoke.texi: Fix mno-isel typo.
1492 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1494 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1495 easy vector constant loads.
1497 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1499 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1500 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1501 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1502 * config/rs6000/sync.md (lwsync): Emit plain sync if
1505 2006-11-17 DJ Delorie <dj@redhat.com>
1507 * reload1.c (reloads_unique_chain): New.
1508 (reloads_conflict): Call it.
1510 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1512 * config/xtensa/predicates.md (addsubx_operand): New.
1513 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1514 (xtensa_emit_bit_branch): New.
1515 (xtensa_emit_movcc): New.
1516 * config/xtensa/xtensa.md (any_minmax): New code macro.
1517 (minmax): New code attribute.
1518 (any_cond, any_scc, any_scc_sf): New code macros.
1519 (*addx2, *addx4, *addx8): Delete.
1521 (*subx2, *subx4, *subx8): Delete.
1523 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1524 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1525 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1526 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1527 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1528 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1529 (movsfcc_internal0, movsfcc_internal1): Likewise.
1530 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1531 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1532 (xtensa_emit_bit_branch): New.
1533 (xtensa_emit_movcc): New.
1534 (function_arg_boundary): Add missing prototype.
1536 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1538 * config/xtensa/xtensa.md (tstsi): Delete
1540 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1542 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1544 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1546 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1548 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1550 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1552 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1554 * tree-vrp.c (execute_vrp): Do not update current_loops.
1555 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1556 * doc/loop.texi: Remove documentation for cancelled functions.
1557 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1558 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1560 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1561 (remove_path): Ensure that in delete_basic_blocks, the loops
1562 are still allocated.
1563 (add_loop): Work on valid loop structures.
1564 (loopify): Modify call of add_loop.
1565 (mfb_update_loops): Removed.
1566 (create_preheader): Do not update loops explicitly.
1567 (force_single_succ_latches, loop_version): Do not use
1568 loop_split_edge_with.
1569 (loop_split_edge_with): Removed.
1570 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1571 Do not use bsi_insert_on_edge_immediate_loop.
1572 (split_loop_exit_edge, tree_unroll_loop): Do not use
1573 loop_split_edge_with.
1574 (bsi_insert_on_edge_immediate_loop): Removed.
1575 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1576 use loop_split_edge_with.
1577 * cfghooks.c: Include cfgloop.h.
1578 (verify_flow_info): Verify that loop_father is filled iff current_loops
1580 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1581 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1583 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1585 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1586 loop_split_edge_with.
1587 (sms_schedule): Use current_loops.
1588 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1589 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1591 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1592 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1593 * ifcvt.c (if_convert): Ditto.
1594 * predict.c (predict_loops): Do not clear current_loops.
1595 (tree_estimate_probability): Use current_loops.
1596 (propagate_freq): Receive head of the region to propagate instead of
1598 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1599 (estimate_loops): New function. Handle case current_loops == NULL.
1600 (estimate_bb_frequencies): Do not allocate tovisit. Use
1602 * tree-ssa-loop.c (current_loops): Removed.
1603 (tree_loop_optimizer_init): Do not return loops.
1604 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1605 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1606 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1607 Do not update loops explicitly.
1608 * function.h (struct function): Add x_current_loops field.
1609 (current_loops): New macro.
1610 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1611 * loop-unroll.c (split_edge_and_insert): New function.
1612 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1613 use loop_split_edge_with.
1614 * loop-doloop.c (add_test, doloop_modify): Ditto.
1615 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1616 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1617 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1618 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1620 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1621 (flow_loops_free): Do not free dfs_order and rc_order.
1622 (flow_loops_find): Do not set dfs_order and rc_order in loops
1623 structure. Do not call loops and flow info verification.
1624 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1625 already belongs to some loop.
1626 * cfgloop.h (struct loops): Remove struct cfg.
1627 (current_loops, loop_split_edge_with): Declaration removed.
1628 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1629 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1630 Declaration removed.
1631 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1632 * basic-block.h (split_edge_and_insert): Declare.
1633 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1635 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1637 PR tree-optimization/29801
1638 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1639 (get_default_value): Use get_symbol_constant_value.
1640 (set_lattice_value): ICE when the value of the constant is
1642 (visit_assignment): Ignore VDEFs of read-only variables.
1644 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1646 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1648 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1649 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1651 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1653 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1654 select subvars of var.
1656 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1659 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1660 optimize if DEF doesn't have integral type.
1662 2006-11-16 Mike Stump <mrs@apple.com>
1664 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1665 pre-darwin9 system, unless the user asks for it directly.
1666 (PREFERRED_DEBUGGING_TYPE): Likewise.
1667 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1668 * config.gcc: Add suppport for darwin9.h.
1669 * config/darwin9.h: Add.
1670 * doc/install.texi (Specific): Clarify darwin documentation.
1672 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1674 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1675 optimizing for size.
1677 2006-11-16 Mike Stump <mrs@apple.com>
1679 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1681 2006-11-16 Dirk Mueller <dmueller@suse.de>
1683 * tree-vrp.c (get_value_range): Use XCNEW instead
1685 (insert_range_assertions): Use XCNEWVEC instead
1686 of XNEWVEC and memset.
1687 (vrp_initialize): Same.
1688 (vrp_finalize): Same.
1689 * tree-ssa-ccp.c (ccp_initialize): Same.
1690 * predict.c (tree_bb_level_predictions): Same.
1691 * calls.c (expand_call): Same.
1692 * tree-ssa-copy.c (init_copy_prop): Same.
1693 (fini_copy_prop): Same.
1694 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1695 of GGC_NEW and memset.
1697 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1700 * gimplify.c (gimplify_expr): Only force a load for references to
1701 non-BLKmode volatile values.
1702 * doc/implement-c.texi (Qualifiers implementation): Document the
1703 interpretation of what a volatile access is.
1704 * doc/extend.texi (C++ Extensions): Rework same documentation.
1706 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1708 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1711 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1713 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1715 (arm_neg_abssi2): Renamed from neg_abssi2.
1716 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1718 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1720 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1721 number of arguments passed to local functions in SSE registers is 3.
1723 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1724 number of arguments passed in SSE registers to 3.
1726 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1729 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1731 (get_last_bb_insn): ... new global function.
1732 (basic_block.h): Declare it.
1733 * haifa-sched.c (create_recovery_block): Use it.
1735 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1738 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1740 2006-11-15 Paul Brook <paul@codesourcery.com>
1742 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1743 _Unwind_GetTextRelBase): Move from here ...
1744 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1745 _Unwind_GetTextRelBase): ... To here.
1747 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1749 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1750 addresses we generate for testing are aligned.
1752 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1755 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1756 to what is the const decl is a place holder for.
1758 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1760 * config/i386/i386.opt: New target option -mx87regparm.
1762 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1763 and float_in_x87 variables. mmx_words, sse_words: Remove.
1764 (X87_REGPARM_MAX): Define.
1766 * config/i386/i386.c (override_options): Error out for
1767 -mx87regparm but no 80387 support.
1768 (ix86_attribute_table): Add x87regparm.
1769 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1770 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1771 (ix86_function_x87regparm): New function.
1772 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1774 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1776 (function_arg_advance): Process x87_nregs and x87_regno when
1777 floating point argument is to be passed in 80387 register.
1778 (function_arg): Pass XFmode arguments in 80387 registers for local
1779 functions. Pass SFmode and DFmode arguments to local functions
1780 in 80387 registers when flag_unsafe_math_optimizations is set.
1782 * reg-stack.c (convert_regs_entry): Disable NaN load for
1783 stack registers that are used for argument passing.
1785 * doc/extend.texi: Document x87regparm function attribute.
1786 * doc/invoke.texi: Document -mx87regparm.
1788 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1790 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1791 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1792 arg MODE; all callers changed. Use it to determine validity per
1793 machine mode instead of using Pmode for all memory references.
1794 (get_address_cost): Likewise add and use new arg MEM_MODE.
1796 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1797 J"orn Rennecke <joern.rennecke@st.com>
1799 * combine.c (likely_spilled_retval_1): Fix masking operation.
1800 (likely_spilled_retval_p): Use proper pattern for call to
1801 likely_spilled_retval_1.
1803 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1805 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1807 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1808 that tests for CONSTANT_POOL_ADDRESS_P.
1810 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1812 PR tree-optimization/29581
1813 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1814 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1815 type is different between Y and USE, create a temporary
1816 variable, initialize it at the beginning of the body bb
1817 and use it as replacement instead of Y.
1819 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1822 * gimplify.c (fold_indirect_ref_rhs): Use
1823 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1825 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1827 * expmed.c (emit_store_flag_1): New function.
1828 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1830 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1831 Use do_compare_rtx_and_jump.
1832 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1833 * arm.md (cstoresi4): New define_expand.
1834 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1835 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1836 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1838 2006-11-14 Caroline Tice <ctice@apple.com>
1840 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1841 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1843 (pubname_table): Redefine as a vector.
1844 (pubtype_table): New static global variable, defined as a vector.
1845 (pubname_table_allocated): Remove static global variable.
1846 (pubname_table_in_use): Remove static global variable.
1847 (PUBNAME_TABLE_INCREMENT): Remove constant.
1848 (size_of_pubnames): Add parameter to deal with either pubnames or
1849 pubtypes, and change code to deal with table being a vector.
1850 (add_pubname): Change to deal with table being a vector.
1851 (add_pubtype): New function.
1852 (output_pubnames): Add parameter to deal with either pubnames or
1853 pubtypes, and change code to deal with table being a vector.
1854 (gen_array_type_die): Add call to add_pubtype.
1855 (gen_enumeration_type_die): Add call to add_pubtype.
1856 (gen_struct_or_union_type_die): Add call to add_pubtype.
1857 (gen_subroutine_type_die): Add call to add_pubtype.
1858 (gen_typedef_die): Add call to add_pubtype.
1859 (dwarf2out_init): Add code to initialize pubname_table and
1860 pubtype_table vectors; also initialize debug_pubtypes_section.
1861 (prune_unused_types): Change to deal with pubnames being a vector.
1862 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1863 pubnames table to call to output_pubnames; Add code to output pubtypes
1864 table if DEBUG_PUBTYPES_SECTION is defined.
1865 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1867 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1869 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1871 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1872 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1873 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1874 movv2si_internal): Support moves between core registers.
1876 2006-11-14 Eric Christopher <echristo@apple.com>
1878 * configure: Regenerate with autoconf 2.59.
1880 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1882 Fix PR tree-optimization/27755
1884 * tree-ssa-pre.c: Update comments.
1885 (bb_bitmap_sets): Add pa_in and deferred member.
1886 (BB_DEFERRED): New macro.
1887 (maximal_set): New variable.
1888 (pre_stats): Add pa_insert member.
1889 (bitmap_set_and): Short circuit orig == dest.
1890 (bitmap_set_subtract_values): New function.
1891 (bitmap_set_contains_expr): Ditto.
1892 (translate_vuses_through_block): Add phiblock argument.
1893 (dependent_clean): New function.
1894 (compute_antic_aux): Update for maximal_set changes.
1895 (compute_partial_antic_aux): New function.
1896 (compute_antic): Handle partial anticipation.
1897 (do_partial_partial_insertion): New function.
1898 (insert_aux): Handle partial anticipation.
1899 (add_to_sets): Add to maximal set.
1900 (compute_avail): Ditto.
1901 (init_pre): Initialize maximal_set.
1902 (execute_pre): Do partial anticipation if -O3+.
1904 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1906 PR rtl-optimization/29798
1908 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1909 TARGET_INSN before any other check.
1910 (fwprop_init): Always calculate dominators.
1911 (fwprop_done): Always free them.
1913 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1915 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1918 2006-11-13 DJ Delorie <dj@redhat.com>
1920 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1921 temporary for intermediates.
1923 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1925 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1926 (sh_optimize_target_register_callee_saved): #if 0 the code
1927 using NOTE_INSN_LOOP_{BEG,END}.
1929 2006-11-13 Roger Sayle <roger@eyesopen.com>
1931 * fold-const.c (optimize_bit_field_compare): Recursively call
1932 fold when simplifying non-constant comparisons between bit-fields.
1934 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1936 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1938 * configure: Rebuilt.
1940 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1942 * config/rs6000/cell.md: New file.
1943 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1945 (ppccell_cost): New cost matrix.
1946 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1947 (rs6000_override_options): Set rs6000_always_hint to false
1948 for cell. Also align functions/lables/loops to 8byte
1949 for the Cell. Use PROCESSOR_CELL.
1950 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1951 using_mtcr_multiple.
1952 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1953 on the Cell, return 0.
1954 (rs6000_adjust_cost): Add Cell cost adjustments.
1955 (is_microcoded_insn): Return true for Cell microcoded
1957 (is_nonpipeline_insn): New function.
1958 (rs6000_issue_rate): Add PROCESSOR_CELL.
1959 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1961 (rs6000_use_sched_lookahead_guard): New function.
1962 (rs6000_sched_reorder): Reorder the ready list, if the second
1963 to last ready insn is a nonepipeline insn on the Cell.
1964 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1965 (ASM_CPU_SPEC): Add Cell.
1966 * config/rs6000/rs6000.md (cpu): Add Cell.
1967 (cell_micro): New Attr.
1970 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1972 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1974 * configure: Rebuilt.
1976 2006-11-13 Richard Guenther <rguenther@suse.de>
1978 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1980 (ix86_expand_lfloorceil): Likewise.
1981 (ix86_expand_rint): Likewise.
1982 (ix86_expand_floorceildf_32): Likewise.
1983 (ix86_expand_floorceil): Likewise.
1984 (ix86_expand_rounddf_32): Likewise.
1985 (ix86_expand_truncdf_32): Likewise.
1986 (ix86_expand_round): Likewise.
1988 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1989 Mark Mitchell <mark@codesourcery.com>
1991 * gcc.c: Organize search path variables into $prefix relative,
1992 and well-known native. Add comments.
1993 (add_sysrooted_prefix): Add comment.
1994 (process_command): If !gcc_exec_prefix add $prefix based paths.
1995 If *cross_compile == '0', add native well-known paths.
1996 Assert tooldir_base_prefix is always relative.
1997 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1998 use this value for 'install:' path.
1999 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
2001 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2003 * config/i386/i386.c: Fix a typo in comment.
2005 2006-11-13 Michael Matz <matz@suse.de>
2007 * genemit.c (gen_expand): Allocate enough memory.
2009 2006-11-13 Joseph Myers <joseph@codesourcery.com>
2011 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
2012 __GXX_TYPEINFO_EQUALITY_INLINE but not
2013 __GXX_MERGED_TYPEINFO_NAMES.
2014 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
2015 __GXX_MERGED_TYPEINFO_NAMES.
2016 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
2017 __GXX_TYPEINFO_EQUALITY_INLINE.
2019 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2020 Zdenek Dvorak <dvorakz@suse.cz>
2022 PR tree-optimization/29680
2023 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
2026 2006-11-12 Jason Merrill <jason@redhat.com>
2027 Andrew Pinski <pinskia@physics.uc.edu>
2030 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
2032 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
2034 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
2035 * tree.c (build_vector): Handle non-_CST elements.
2037 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2039 * genemit.c (gen_insn): Call gen_exp with a non-null used
2040 when handling multiple insns.
2041 (gen_expand): Likewise.
2042 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2043 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
2044 (movsi_const_16bit+1): Copy operands[1].
2045 (call_pcrel): Copy the call_site pattern.
2046 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
2048 2006-11-12 Roger Sayle <roger@eyesopen.com>
2050 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
2051 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
2052 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
2053 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
2055 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
2057 Fix PR tree-optimization/29587
2058 * tree-ssa-structalias.c (process_constraint): Don't
2059 mark address taken due only to escaped vars constraint.
2061 2006-11-12 Michael Matz <matz@suse.de>
2062 Roger Sayle <roger@eyesopen.com>
2064 PR rtl-optimization/29797
2065 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
2066 BITS_BIG_ENDIAN targets.
2068 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2070 * builtins.c (fold_builtin_cosh): New.
2071 (fold_builtin_1): Use it.
2072 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
2073 trunc to the list of "odd" functions. Also add llrint, lrint,
2074 rint and nearbyint when flag_rounding_math is false.
2076 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2078 * tree-flow.h (name_mappings_registered_p): Declare.
2079 * tree-into-ssa.c (name_mappings_registered_p): New function.
2080 * tree-cfg.c (tree_can_merge_blocks_p): Check
2081 name_mappings_registered_p instead of need_ssa_update_p.
2083 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2085 * tree-ssa-loop.c (tree_vectorize): Return the result of
2087 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
2088 if anything changed.
2089 * tree-vectorizer.h (vectorize_loops): Declaration removed.
2090 * tree-flow.h (vectorize_loops): Declaration changed.
2092 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2094 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
2096 (issue_prefetch_ref): Move assignment to write_p out of loop.
2097 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
2098 SIMULTANEOUS_PREFETCHES into account.
2099 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
2100 * lambda-code.c (lcm): Renamed to ...
2101 (least_common_multiple): ... and exported.
2102 * tree-flow.h (least_common_multiple): Declare.
2104 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2106 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2107 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2108 ud-chains. Handle AND_EXPR.
2109 (record_estimate): Record whether the estimate is realistic
2110 and whether it is derived from a loop exit.
2111 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2112 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2114 (compute_estimated_nb_iterations): Take only realistic bounds into
2115 account. Set estimate_state. Use double_ints.
2116 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2117 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2118 that do not have to be always executed.
2119 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2120 to determine whether to call infer_loop_bounds_from_undefined
2121 and compute_estimated_nb_iterations.
2122 (n_of_executions_at_most): Use double_ints.
2123 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2124 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2125 * double-int.c (double_int_to_tree): Improve comment.
2126 (double_int_fits_to_tree_p): New function.
2127 * double-int.h (double_int_fits_to_tree_p): Declare.
2128 * tree-data-ref.c: Include langhooks.h.
2129 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2130 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2131 (analyze_array): Do not pass estimate_only argument to
2132 analyze_array_indexes.
2133 (get_number_of_iters_for_loop): Build tree from the stored double_int
2135 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2136 (find_data_references_in_loop): Use find_data_references_in_stmt.
2137 * tree-data-ref.h (struct data_ref_loc_d): New.
2138 (get_references_in_stmt): Declare.
2139 (estimate_iters_using_array): Declaration removed.
2140 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2141 double_int. Improve comments. Add is_exit and realistic
2143 (struct loop): Changed type of estimated_nb_iterations to double_int.
2144 Added estimate_state field.
2145 (record_estimate): Declaration removed.
2147 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2149 * params.c (set_param_value): Initialize the "set" field.
2150 * params.h (struct param_info): Add "set" field.
2151 (PARAM_SET_P): New macro.
2152 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2153 L1_CACHE_LINE_SIZE): New macros.
2154 * toplev.c (DEFPARAM): Initialize the "set" field.
2155 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2156 SIMULTANEOUS_PREFETCHES): Removed.
2157 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2158 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2159 * config/sparc/sparc.c: Include params.h.
2160 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2161 L1_CACHE_LINE_SIZE parameters.
2162 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2164 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2166 * config/i386/i386.c: Include params.h.
2167 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2168 (override_options): Set SIMULTANEOUS_PREFETCHES and
2169 L1_CACHE_LINE_SIZE parameters.
2170 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2171 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2172 L1_CACHE_LINE_SIZE parameters.
2173 * config/ia64/ia64.c (ia64_optimization_options): Set
2174 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2175 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2177 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2178 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2179 * doc/invoke.texi: Document new params.
2181 2006-11-12 Roger Sayle <roger@eyesopen.com>
2183 PR tree-optimization/13827
2184 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2187 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2189 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2190 update_single_exit_for_duplicated_loops): New functions.
2191 (duplicate_loop_to_header_edge): Use
2192 update_single_exit_for_duplicated_loops.
2193 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2194 functions only with ENABLE_CHECKING.
2196 2006-11-12 Andreas Schwab <schwab@suse.de>
2198 * except.c (sjlj_emit_function_enter): Remove unused variable.
2200 2006-11-11 Roger Sayle <roger@eyesopen.com>
2202 * fold-const.c (int_binop_types_match_p): New function.
2203 (size_binop): Relax constraint that both arguments must both have
2204 exactly the same sizetype type. Instead use int_binop_types_match_p.
2205 (size_diffop): Likewise.
2207 (make_range): Use build_int_cst instead of fold_convert.
2208 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2209 integer constants of the correct type.
2210 (fold_div_compare): Likewise.
2211 (fold_single_bit_test): Likewise.
2212 (fold_binary): Likewise.
2213 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2214 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2216 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2219 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2220 non null value if the struct memory access is in the 0th
2223 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2226 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2227 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2230 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2231 instead of builtin_define for bfin and BFIN.
2233 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2235 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2238 2006-11-11 Jan Hubicka <jh@suse.cz>
2240 * extend.texi (__builtin_expect): We no longer require second argument
2242 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2243 * builtins.c (expand_builtin_expect): Simplify.
2244 (expand_builtin_expect_jump): Kill.
2245 * final.c (final_scan_insn): Do not skip the removed notes.
2246 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2247 EXPECTED_VALUE): Remove.
2248 * dojump.c (do_jump): Do not care about __builtin_expect.
2249 * predict.c (expected_value_to_br_prob): Kill.
2250 * function.c (expand_function_end): Do not expand
2251 NOTE_INSN_REPEATED_LINE_NUMBER.
2252 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2253 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2254 * cfgexpand.c (add_reg_br_prob_note): Export.
2255 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2256 expected_value_to_br_prob.
2257 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2258 * rtl.h (add_reg_br_prob_note): Declare.
2260 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2262 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2264 2006-11-11 Jan Hubicka <jh@suse.cz>
2266 * predict.c (predict_loops): Kill RTL variant.
2268 2006-11-11 Jan Hubicka <jh@suse.cz>
2270 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2271 * modulo-sched.c (find_line_note): Remove.
2272 (loop_canon_p): Do not worry about line number notes.
2273 (sms_schedule): Likewise.
2274 * cse.c (cse_main): Likewise.
2275 * regmove.c (fixup_match_1): Likewise
2276 * function.c (emit_return_info_block): Likewise.
2277 (expand_function_end): Likewise.
2278 (thread_prologue_an_epilogue_insns): Likewise.
2279 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2281 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2282 emit_note_copy_after): Kill.
2283 (emit_note_copy): Do not worry about line numbers.
2284 * jump.c (purge_line_number_notes): Kill.
2285 (pass_purge_lineno_notes): Kill.
2286 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2288 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2289 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2290 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2291 * tree-pass.h (pass_purge_lineno_notes): Kill.
2292 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2293 rm_redundant_line_notes.
2294 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2295 rm_redundant_line_notes.
2296 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2297 * haifa-sched.c: Update comment about handling notes.
2298 (unlink_line_notes): Kill.
2299 (rm_line_notes): Kill.
2300 (save_line_notes): Simplify.
2301 (rm_redundant_line_notes): Kill.
2303 2006-11-11 Richard Guenther <rguenther@suse.de>
2305 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2306 Remove unused tree codes.
2307 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2308 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2309 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2310 * tree.c (stabilize_reference): Likewise.
2311 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2312 fold_unary): Likewise.
2313 * tree-gimple.c (is_gimple_cast): Likewise.
2314 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2315 * expr.c (expand_expr_real_1): Likewise.
2316 * tree-eh.c (tree_could_trap_p): Likewise.
2317 * gimplify.c (gimplify_expr): Likewise.
2318 * tree-inline.c (estimate_num_insns_1): Likewise.
2319 * tree-cfg.c (verify_expr): Likewise.
2321 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2323 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2324 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2325 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2327 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2330 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2331 constraints accept neither registers or memories.
2333 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2335 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2336 (NO_PROFILE_COUNTERS): Define as 1.
2338 2006-11-10 Roger Sayle <roger@eyesopen.com>
2340 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2341 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2343 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2345 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2347 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2349 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2350 (fold_builtin_hypot): Likewise.
2351 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2353 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2355 2006-11-10 Roger Sayle <roger@eyesopen.com>
2357 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2358 when attempting to build INTEGER_CSTs of non-integral types.
2359 * expmed.c (make_tree): Use the correct type, i.e. the inner
2360 type, when constructing the individual elements of a CONST_VECTOR.
2362 2006-11-10 Jan Hubicka <jh@suse.cz>
2364 * cse.c (cse_process_notes): Copy the propagated value.
2365 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2367 * gcse.c (try_replace_reg): Copy the replacement.
2368 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2369 (assign_386_stack_local): Always return copied memory expression
2370 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2373 2006-11-10 Jan Hubicka <jh@suse.cz>
2375 * final.c (final): Walk from first instruction.
2376 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2378 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2381 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2383 (umulv8hi3_highpart): Ditto.
2384 (vec_widen_smult_hi_v8hi): New expander.
2385 (vec_widen_smult_lo_v8hi): Ditto.
2387 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2390 * builtins.c (do_mpfr_arg3): New.
2391 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2393 2006-11-09 Eric Christopher <echristo@apple.com>
2398 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2399 * config.gcc (powerpc64-*-darwin*): New target.
2400 * config.host: Ditto.
2401 * config/rs6000/darwin64.h: New file.
2402 * config/rs6000/x-darwin64: Ditto.
2403 * config/rs6000/host-ppc64-darwin.c: Ditto.
2405 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2407 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2408 routines for integer division.
2410 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2412 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2414 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2417 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2419 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2421 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2422 simplify_subreg with BLKmode outer mode.
2424 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2426 * doc/invoke.texi: Minor formatting fixes in option lists.
2428 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2430 PR tree-optimization/29738
2431 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2432 (ccp_lattice_t): Remove UNKNOWN_VAL.
2433 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2434 Do not handle UNKNOWN_VAL.
2435 (get_default_value): Set initial value of virtual operands to
2437 (get_value): Always use get_default_value on uninitialized
2439 (set_value_varying, surely_varying_stmt_p): New functions.
2440 (set_lattice_value): Do not pass argument to get_value.
2441 Do not handle UNKNOWN_VAL.
2442 (likely_value): Follow the semantics described in the comment.
2443 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2444 phi nodes DONT_SIMULATE_AGAIN.
2445 (ccp_fold): Do not pass argument to get_value.
2446 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2449 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2451 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2452 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2454 2006-11-08 Roger Sayle <roger@eyesopen.com>
2456 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2457 test for inclusion rather than as a test for exclusion.
2458 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2459 the condition after calling fold_binary.
2460 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2461 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2462 * builtins.c (fold_builtin_isascii): Likewise.
2463 (fold_builtin_isdigit): Likewise.
2465 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2467 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2468 * configure: Regenerate.
2470 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2472 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2473 enum argument instead of bool.
2474 (vect_analyze_operations): Call vectorizable_type_promotion.
2475 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2476 stmt_vec_info_type value.
2477 (supportable_widening_operation, vectorizable_type_promotion): New
2478 function declarations.
2479 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2480 (vectorizable_type_promotion): New function.
2481 (vect_transform_stmt): Call vectorizable_type_promotion.
2482 * tree-vect-analyze.c (supportable_widening_operation): New function.
2483 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2485 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2488 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2489 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2490 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2492 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2493 * expr.c (expand_expr_real_1): Likewise.
2494 * optabs.c (optab_for_tree_code): Likewise.
2495 (init_optabs): Initialize new optabs.
2496 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2497 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2498 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2499 vec_unpacku_lo_optab): Initialize new optabs.
2500 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2501 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2502 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2504 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2505 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2506 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2507 (vec_unpacku_lo_optab): New optabs.
2508 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2509 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2510 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2511 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2512 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2513 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2515 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2516 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2517 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2518 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2519 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2520 implement the unsigned unpacking patterns.
2521 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2522 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2523 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2524 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2525 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2526 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2527 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2528 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2529 multiplication patterns.
2531 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2532 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2533 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2534 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2535 (rs6000_builtin_mul_widen_odd): New.
2536 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2537 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2538 * tree-vectorizer.h (enum vect_relevant): New enum type.
2539 (_stmt_vec_info): Field relevant chaned from bool to enum
2541 (STMT_VINFO_RELEVANT_P): Updated.
2542 (STMT_VINFO_RELEVANT): New.
2543 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2544 instead of STMT_VINFO_RELEVANT_P.
2545 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2546 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2547 and boolean variable with enum vect_relevant.
2548 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2549 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2550 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2552 2006-11-08 Richard Henderson <rth@redhat.com>
2554 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2555 vec_widen_umult_lo_v8hi): New.
2556 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2557 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2559 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2560 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2561 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2562 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2563 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2564 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2565 vec_unpacks_lo_v4si): New.
2567 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2569 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2570 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2571 (vect_analyze_operations): Call vectorizable_type_demotion.
2572 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2573 stmt_vec_info_type value.
2574 (vectorizable_type_demotion): New function declaration.
2575 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2578 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2579 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2581 * tree-iniline.c (estimate_num_insns_1): Likewise.
2582 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2583 * optabs.c (optab_for_tree_code): Likewise.
2585 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2586 compared against the predicate of the result is not 'mode' (the input
2587 to the function) but a mode with half the size of 'mode'.
2588 (init_optab): Initialize new optabs.
2589 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2591 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2593 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2594 (vec_pack_usat_optab): Initialize new optabs.
2595 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2596 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2598 2006-11-08 Richard Henderson <rth@redehat.com>
2600 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2601 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2602 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2603 (vec_interleave_highv4si, vec_interleave_lowv4si):
2604 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2606 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2608 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2610 (vect_transform_stmt): Removed redundant code.
2612 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2614 * tree-vect-transform.c (vectorizable_operation): Support multiple
2617 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2619 * tree-vect-transform.c (vect_align_data_ref): Removed.
2620 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2621 Updated function documentation. Return the increment stmt in ptr_incr.
2622 (bump_vector_ptr): New function.
2623 (vect_get_vec_def_for_stmt_copy): New function.
2624 (vect_finish_stmt_generation): Create a stmt_info to newly created
2626 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2628 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2629 VF is greater than the number of elements that can fit in one vector
2631 (vectorizable_operation, vectorizable_condition): Likewise.
2632 (vectorizable_store, vectorizable_load): Support the case that the VF
2633 is greater than the number of elements that can fit in one vector word.
2634 (vect_transform_loop): Don't fail in case of multiple data-types.
2635 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2636 in case of multiple data-types; the smallest type determines the VF.
2637 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2638 if they are of different sizes.
2639 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2640 number of elements rather than number of bytes.
2641 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2642 (vect_can_advance_ivs_p): Fix a dump printout
2644 2006-11-07 Eric Christopher <echristo@apple.com>
2646 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2647 (__bswapsi2): Ditto.
2648 * libgcc2.h: Remove transformation of bswap routines.
2649 * config/i386/i386.md (bswapsi2): New.
2652 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2654 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2655 (handle_gnu_inline_attribute): New function.
2656 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2657 (merge_decls, start_decl, start_function): Likewise.
2658 * doc/extend.texi: Document gnu_inline attribute.
2660 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2663 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2664 _fixunstfdi, and _floatditf
2666 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2668 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2670 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2671 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2672 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2673 which start in an odd register.
2675 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2677 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2679 2006-11-07 Josh Conner <jconner@apple.com>
2681 * doc/invoke.texi (fstrict-aliasing): Move implementation
2683 * doc/tree-ssa.texi (Alias analysis): ...here.
2685 2006-11-07 Richard Guenther <rguenther@suse.de>
2687 PR tree-optimization/29610
2688 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2689 of tree_purge_dead_eh_edges as it may free dominators.
2691 * g++.dg/other/pr29610.C: New testcase.
2693 2006-11-07 David Ung <davidu@mips.com>
2695 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2696 costs when optimizing for size.
2697 (override_options): Use mips_rtx_cost_optimize_size table for cost
2700 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2702 * gcc.c (process_command): Treat -b as normal switch if its argument
2705 2006-11-07 David Ung <davidu@mips.com>
2707 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2710 2006-11-06 Eric Christopher <echristo@apple.com>
2712 * config.gcc: Add x86_64-darwin host support.
2713 * config.host: Ditto.
2714 * config/i386/darwin64.h: New file.
2715 * config/i386/t-darwin64: Ditto.
2717 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2719 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2720 and output-exists-not.
2722 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2725 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2726 checking for overflow.
2728 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2730 * configure.ac: Fixed typo in case statement: :: changed to ;;
2732 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2734 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2735 count_leading_zeros, and count_trailing_zeros.
2736 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2737 (TARGET_FOLD_BUILTIN): Define.
2738 (TARGET_EXPAND_BUILTIN): Define.
2739 (xtensa_init_builtins): New.
2740 (xtensa_fold_builtin): New.
2741 (xtensa_expand_builtin): New.
2742 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2743 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2744 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2745 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2746 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2747 (any_extend): New code macro.
2748 (u, su): New code attributes.
2749 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2750 (nsau): Remove; replaced by clzsi2.
2751 (ffssi2): Use clzsi2.
2752 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2753 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2754 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2755 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2756 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2758 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2760 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2762 * config/arm/t-strongarm-elf: Likewise.
2763 * config/arm/t-pe: Likewise.
2764 * config/arm/t-arm-elf: Likewise.
2765 * config/arm/t-xscale-elf: Likewise.
2766 * config/arm/t-arm-coff: Likewise.
2767 * config/arm/t-xscale-coff: Likewise.
2768 * config/arm/t-wince-pe: Likewise.
2770 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2772 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2775 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2778 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2781 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2784 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2785 as a valid 80387 constant.
2786 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2787 * config/i386/i386.md (unnamed splitter): Split the load of
2788 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2791 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2793 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2794 from the soft-frame, argument and virtual registers.
2796 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2798 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2799 patterns for standard 80387 constants.
2801 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2802 Steven Bosscher <steven@gcc.gnu.org>
2804 * fwprop.c: New file.
2805 * Makefile.in: Add fwprop.o.
2806 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2807 * passes.c (init_optimization_passes): Schedule forward propagation.
2808 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2810 * timevar.def (TV_FWPROP): New.
2811 * common.opt (-fforward-propagate): New.
2812 * opts.c (decode_options): Enable forward propagation at -O2.
2813 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2814 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2815 canon_for_address, table_size): Remove.
2816 (new_basic_block, insert, remove_from_table): Remove references to
2818 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2819 simplification loop more straightforward by not calling fold_rtx
2821 (equiv_constant): Move here a small part of fold_rtx_subreg,
2822 do not call fold_rtx. Call avoid_constant_pool_reference
2824 * recog.h (canonicalize_change_group): New.
2826 * doc/invoke.texi (Optimization Options): Document fwprop.
2827 * doc/passes.texi (RTL passes): Document fwprop.
2829 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2831 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2832 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2833 (grokdeclarator): Likewise.
2835 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2837 * tree-dump.c (dump_enable_all): Rename local variable
2838 ir_type to avoid name conflicts.
2839 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2840 instead of using ir_type().
2841 * profile.c (tree_register_profile_hooks): Likewise.
2842 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2843 * basic-block.h (struct edge_def): Likewise.
2844 * config/arm/arm.c (legitimize_pic_address): Likewise.
2845 * coretypes.h (ir_type): New enum of all intermediate languages
2847 * cfghooks.c (ir_type): Rename to...
2848 (current_ir_type): ...this. Distinguish between cfgrtl and
2849 cfglayout mode when the current IR is RTL. Return enum ir_type.
2850 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2852 2006-11-03 Paul Brook <paul@codesourcery.com>
2854 * config/arm/arm.c (arm_file_start): New function.
2855 (TARGET_ASM_FILE_START): Define.
2856 (arm_default_cpu): New variable.
2857 (arm_override_options): Set arm_default_cpu.
2859 2006-11-03 David Ung <davidu@mips.com>
2861 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2862 PROCESSOR_24KC and PROCESSOR_24KF.
2863 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2864 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2865 (mips_rtx_cost_data): Add costs for the 24kc.
2866 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2867 * config/mips/24k.md: Remove references to 24k and replace with
2868 uses of 24kc/24kf in the appropriate reservations.
2869 * doc/invoke.texi (MIPS Options): Updated.
2871 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2873 * config/sh/crt1.asm: Fix #ifdef indent.
2875 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2876 Merged from STMicroelectronics sources:
2877 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2878 * config/sh/crt1.asm (vbr_600): Add missing #if.
2879 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2880 * sh.opt (mfused-madd): New option.
2881 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2882 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2883 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2884 Remove pointless handler at VBR+0.
2885 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2886 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2887 fr7. Make sure the timer handler is called with the correct FPU
2888 precision setting, according to the ABI.
2889 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2890 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2891 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2892 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2893 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2894 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2895 zero as second operand.
2896 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2897 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2898 Fixed some bugs related to negative values, in particular -0
2899 and overflow at -0x80000000.
2900 * config/sh/divcost-analysis: Added sh4-300 figures.
2901 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2902 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2903 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2904 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2905 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2906 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2908 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2910 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2911 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2912 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2913 mac_mem, mem_mac, dfp_mul, fp_cmp.
2914 (insn_class, dfp_comp, any_fp_comp): Update.
2915 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2916 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2917 (muldf3_i): Likewise.
2918 (movsi_i): Split rI08 alternative into two separate alternatives.
2920 (movsi_ie, movsi_i_lowpart): Likewise.
2921 (movqi_i): Split ri alternative into two separate alternatives.
2923 * sh1.md (sh1_load_store, sh1_fp): Update.
2924 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2925 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2926 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2927 (sh4a_fp_double_arith): Likewise.
2928 * sh4-300.md: New file.
2929 * sh.c (sh_handle_option): Handle m4-300* options.
2930 (sh_adjust_cost): Fix latency of auto-increments.
2931 Handle SH4-300 differently than other SH4s. Check for new insn types.
2932 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2933 been set by an option.
2934 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2935 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2936 (mbranch-cost=): Likewise.
2937 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2939 * sh.md (mulsf3): Remove special expansion code.
2940 (mulsf3_ie): Now a define_insn_and_split.
2941 (macsf3): Allow for TARGET_SH4.
2943 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2944 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2945 (expand_cbranchdi4): Likewise.
2946 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2947 CONST_DOUBLE if the outer code is COMPARE.
2948 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2949 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2950 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2951 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2952 Remove redundant fp_{zero,one}_operand checks.
2953 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2954 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2955 (expand_cbranchdi4): Likewise.
2956 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2957 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2959 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2961 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2964 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2966 * doc/invoke.texi: Fix mfp-trap-mode typo.
2968 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2970 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2971 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2972 file_end_indicate_exec_stack.
2973 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2975 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2976 for a non-executable stack.
2977 * crti.asm: Likewise.
2978 * crtn.asm: Likewise.
2979 * libunwind.S: Likewise.
2981 2006-11-02 Ben Elliston <bje@au.ibm.com>
2983 * tree-ssa.c (warn_uninit): Use expand_location variables for
2984 locus and declaration locus.
2986 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2989 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2990 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2991 cmp{eq,gt,gtu}{si,di}_media.
2992 (*cmpne0si_media): Remove.
2993 (*movsicc_umin): Adjust gen_cmp*_media call.
2994 (unordered): Change the mode of unordered and operands[1] to
2996 (seq): Adjust gen_cmp*_media calls. Make the mode of
2997 a temporary result of compare SImode if needed. If the mode
2998 of operands[0] is DImode, extend the temporary result to DImode.
2999 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
3000 (sunorderd): Change the mode of match_operand and unorderd to
3002 (cmpeq{sf,df}_media): Remove.
3003 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
3004 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
3005 and compare operation to SImode.
3007 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
3009 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
3011 (sparc64-sun-solaris2*): Likewise.
3013 2006-11-02 Paul Brook <paul@codesourcery.com>
3015 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
3016 from priority argument. Use different section for non-default
3018 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
3020 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
3023 * except.c (switch_to_exception_section): Do not cache the section
3024 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3025 and flag_function_sections is set.
3027 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3030 * builtins.c (do_mpfr_sincos): New.
3031 (fold_builtin_1): Use it to fold builtin sincos.
3033 2006-11-01 Roger Sayle <roger@eyesopen.com>
3035 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
3036 it into -D_REENTRANT.
3038 2006-11-01 Roger Sayle <roger@eyesopen.com>
3040 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
3041 whether the assembler supports taking the difference of symbols in
3042 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
3043 * configure: Regenerate.
3044 * config.in: Regenerate.
3045 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
3046 the assembler doesn't support taking the difference of symbols in
3047 different sections, i.e. we're using the native solaris assembler.
3049 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
3050 Peter Bergner <bergner@vnet.ibm.com>
3052 * doc/invoke.texi: Add cpu_type power6x
3053 (RS/6000 and PowerPC Options): Add -mmfpgpr.
3054 * config.gcc: Add cpu_type power6x.
3055 * configure.ac: Add test for mf{t,f}gpr instructions.
3056 (HAVE_AS_MFPGPR): New.
3057 * config.in: Regenerate.
3058 * configure: Regenerate.
3059 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
3060 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
3061 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
3062 and mftgpr attributes.
3063 (define_attr "cpu"): Add power6.
3064 Change instruction sequences to use new attributes.
3065 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
3066 (fix_truncdfsi2_mfpgpr): New.
3067 (floatsidf_ppc64_mfpgpr): New.
3068 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
3069 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
3070 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
3071 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
3072 (fix_truncdfsi2): Use gpc_reg_operand constraint.
3073 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
3074 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
3075 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
3076 cntlz,exts and var_delayed_compare.
3077 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3078 _ARCH_PWR6X, if features enabled.
3079 * config/rs6000/rs6000.opt (mmfpgpr): New.
3080 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
3081 (cached_can_issue_more): New variable.
3082 (processor_costs): Add power6_cost.
3083 (rs6000_sched_init): New function.
3084 (is_dispatch_slot_restricted): Deleted.
3085 (set_to_load_agen): New function.
3086 (is_load_insn,is_store_insn): New functions.
3087 (adjacent_mem_locations): New function.
3088 (insn_must_be_first_in_group): New function.
3089 (insn_must_be_last_in_group): New function.
3090 (rs6000_sched_reorder): New function.
3091 (rs6000_sched_reorder2): New function.
3092 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
3093 TARGET_SCHED_REORDER2): Define.
3094 (processor_target_table): Use PROCESSOR_POWER6 for power6.
3095 Add power6x. Add MASK_MFPGPR for power6x.
3096 (POWERPC_MASKS): Add MASK_MFPGPR.
3097 (rs6000_override_options): Set rs6000_always_hint to false
3098 for power6. Set rs6000_align_branch_targets. Replace
3099 rs6000_sched_groups check with rs6000_align_branch_targets.
3100 Use PROCESSOR_POWER6.
3101 (last_scheduled_insn): New variable.
3102 (load_store_pendulum): New variable.
3103 (rs6000_variable_issue): Set last_scheduled_insn and
3104 cached_can_issue_more.
3105 (rs6000_adjust_cost): Add power6 cost adjustments.
3106 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3107 with insn_must_be_first_in_group. Add power6 priority adjustments.
3108 (rs6000_issue_rate): Add CPU_POWER6.
3109 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3110 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3111 (TARGET_MFPGPR): New.
3112 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3113 (ASM_CPU_SPEC): Add power6x.
3114 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3116 * config/rs6000/power6.md: New file.
3118 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3120 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3121 HOST_WIDE_INT_PRINT to print high and low parts. Use
3122 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3123 printing a hexadecimal number prefix it with 0x.
3125 2006-11-01 Chris Johns <chris@contemporary.net.au>
3128 * Makefile.in (install-driver): Use exeext when installing
3129 $target-gcc-$version.
3131 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3133 * c-common.c (flag_cpp0x): New.
3134 * c-common.h (flag_cpp0x): New.
3135 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3136 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3137 * c-opts.c (set_std_cxx0x): New.
3138 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3139 * c.opt (std=c++0x): Document.
3140 (std=gnu++0x): Ditto.
3141 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3142 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3144 2006-11-01 Richard Guenther <rguenther@suse.de>
3146 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3148 (ix86_expand_floorceildf_32): Likewise.
3149 (ix86_expand_floorceil): Likewise.
3150 (ix86_expand_trunc): Likewise.
3152 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3154 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3157 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3159 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3161 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3163 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3165 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3166 * configure.ac (use_cxa_atexit): As a special case, don't test
3167 for libc definition of __cxa_atexit on mingw32
3168 * configure: Regenerate.
3169 * config.gcc (i[34567]86-pc-mingw32): Default to
3170 enable__cxa_atexit=yes.
3172 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3174 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3176 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3179 * c-decl.c (start_struct): Don't create self-containing
3181 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3183 * config/rs6000/rs6000-protos.h
3184 (darwin_rs6000_special_round_type_align): New.
3185 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3186 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3188 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3190 * toplev.c (compile_file): Call final_write_globals
3191 even if there have been errors.
3193 2006-10-31 Eric Christopher <echristo@apple.com>
3194 Falk Hueffner <falk@debian.org>
3196 * doc/extend.texi (__builtin_bswap32): Document.
3197 (__builtin_bswap64): Ditto.
3198 * doc/libgcc.texi (bswapsi2): Document.
3200 * doc/rtl.texi (bswap): Document.
3201 * optabs.c (expand_unop): Don't widen a bswap.
3202 (init_optabs): Init bswap. Set libfuncs explicitly
3203 for bswapsi2 and bswapdi2.
3204 * optabs.h (OTI_bswap): New.
3205 (bswap_optab): Ditto.
3206 * genopinit.c (optabs): Handle bswap_optab.
3207 * tree.h (tree_index): Add TI_UINT32_TYPE and
3209 (uint32_type_node): New.
3210 (uint64_type_node): Ditto.
3211 * tree.c (build_common_tree_nodes_2): Initialize
3212 uint32_type_node and uint64_type_node.
3213 * builtins.c (expand_builtin_bswap): New.
3214 (expand_builtin): Call.
3215 (fold_builtin_bswap): New.
3216 (fold_builtin_1): Call.
3217 * fold-const.c (tree_expr_nonnegative_p): Return true
3219 * builtin-types.def (BT_UINT32): New.
3221 (BT_FN_UINT32_UINT32): Ditto.
3222 (BT_FN_UINT64_UINT64): Ditto.
3223 * builtins.def (BUILT_IN_BSWAP32): New.
3224 (BUILT_IN_BSWAP64): Ditto.
3225 * rtl.def (BSWAP): New.
3226 * genattrtab.c (check_attr_value): New.
3227 * libgcc2.c (__bswapSI2): New.
3228 (__bswapDI2): Ditto.
3229 * libgcc2.h (__bswapSI2): Declare.
3230 (__bswapDI2): Ditto.
3231 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3232 * simplify-rtx.c (simplify_const_unary_operation): Return
3234 * libgcc-std.ver (__bwapsi2): Add.
3235 (__bswapdi2): Ditto.
3236 * reload1.c (eliminate_regs_1): Add bswap.
3237 (elimination_effects): Ditto.
3238 * config/i386/i386.h (x86_bswap): New.
3239 (TARGET_BSWAP): Use.
3240 * config/i386/i386.c (x86_bswap): Set.
3242 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3244 * coverage.c (coverage_checksum_string): Update comment.
3245 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3246 of get_file_function_name.
3247 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3248 of get_file_function_name_long.
3249 * tree.c (get_file_function_name): Rename from
3250 get_file_function_name_long; improve comment; handle 'I' and 'D'
3251 specially when the target has ctor/dtor support; remove special
3253 (get_file_function_name): Remove.
3254 * tree.h (get_file_function_name): Rename from
3255 get_file_function_name_long.
3256 (get_file_function_name): Remove prototype.
3258 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3260 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3261 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3263 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3264 Call dsymutil when compiling and linking one or more source files
3267 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3270 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3272 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3274 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3275 inline static functions in c99 mode.
3278 * doc/extend.texi (Inline): Update.
3279 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3280 * c-decl.c (current_extern_inline): Delete.
3281 (pop_scope): Adjust test for an undefined nested function.
3282 Add warning about undeclared inline function.
3283 (diagnose_mismatched_decls): Update comments. Disallow overriding
3284 of inline functions in a translation unit in C99. Allow inline
3285 declarations in C99 at any time.
3286 (merge_decls): Boolize variables. Handle C99 'extern inline'
3288 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3289 C99 inline semantics.
3290 (start_function): Don't clear current_extern_inline. Don't set
3292 (c_push_function_context): Don't push current_extern_inline.
3293 (c_pop_function_context): Don't restore current_extern_inline.
3296 * c-typeck.c (build_external_ref): Warn about static variables
3297 used in extern inline functions.
3298 * c-decl.c (start_decl): Warn about static variables declared
3299 in extern inline functions.
3301 2006-10-31 Roger Sayle <roger@eyesopen.com>
3304 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3305 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3306 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3307 or y is an even integer.
3309 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3312 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3313 * gthr-posix95.h (__gthread_active_p): Likewise.
3315 2006-10-31 Richard Guenther <rguenther@suse.de>
3317 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3318 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3319 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3320 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3321 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3322 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3323 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3324 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3327 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3329 * opts.c (decode_options): Disable CSE skip blocks.
3331 2006-10-30 Dirk Mueller <dmueller@suse.de>
3333 * c-common.h (strict_aliasing_warning): Fix whitespace.
3334 * c-decl (start_function): Move code for main decl warning ..
3335 * c-common.c (check_main_parameter_types): .. here.
3336 * c-common.h (check_main_parameter_types): Declare.
3338 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3341 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3343 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3345 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3346 be a PARALLEL containing sets. Return false when out_pat is not
3349 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3351 * config/mips/mips.md (mul<mode>3): Split into...
3352 (mulsi3, muldi3): ...these separate patterns.
3354 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3356 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3357 but with each set of options separated by spaces.
3359 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3361 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3362 dwarf_reg_size_table has been initialized.
3364 2006-10-30 Roger Sayle <roger@eyesopen.com>
3366 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3367 * ddg.c (print_ddg_edge): Likewise.
3368 * dwarf2out.c (prune_unused_types_walk): Likewise.
3369 * ifcvt.c (noce_try_cmove_arith): Likewise.
3370 * langhooks.c (add_builtin_function): Likewise.
3371 * reg-stack.c (subst_stack_regs_pat): Likewise.
3372 * tree.c (expanded_location): Likewise.
3373 * tree-dump.c (dequeue_and_dump): Likewise.
3375 2006-10-30 David Daney <ddaney@avtrex.com>
3377 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3379 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3381 PR tree-optimization/29637
3382 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3383 of the innertype is the innertype itself.
3385 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3387 * dwarf2out.c (file_name_acquire): Correct typo.
3389 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3391 * tree.h (tree_value_handle): Remove struct value_set declaration.
3392 Change value_set to bitmap_set.
3393 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3394 * tree-vn.c (get_value_handle): Made inline and moved to
3396 * tree-flow-inline.h: (has_stmt_ann): New function.
3397 * tree-ssa-pre.c (expressions): New variable.
3398 (next_expression_id): Ditto.
3399 (alloc_expression_id): New function.
3400 (struct value_set): Remove.
3401 (get_expression_id): New function.
3402 (get_or_alloc_expression_id): Ditto.
3403 (expression_for_id): Ditto.
3404 (clear_expression_ids): Ditto.
3405 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3406 (bb_value_sets): Renamed to bb_bitmap_sets.
3407 All value sets replaced with bitmap_sets.
3409 (BB_VISITED): New macro.
3410 (postorder): New variable.
3411 (add_to_value): Removed.
3412 (value_exists_in_set_bitmap): Ditto.
3413 (value_insert_into_set_bitmap): Ditto.
3416 (set_remove): Ditto.
3417 (set_contains_value): Ditto.
3418 (insert_into_set): Ditto.
3420 (find_leader): Ditto.
3421 (bitmap_set_subtract_from_value_set): Ditto.
3422 (value_insert_into_set): Ditto.
3423 (print_value_set): Ditto.
3424 (debug_value_set): Ditto.
3425 (constant_expr_p): New function.
3426 (bitmap_remove_from_set): Ditto.
3427 (bitmap_insert_into_set): Ditto.
3428 (bitmap_set_free): Ditto.
3429 (vh_compare): Ditto.
3430 (sorted_array_from_bitmap_set): Ditto.
3431 (bitmap_set_subtract): Ditto.
3432 (bitmap_set_equal): Ditto.
3433 (debug_bitmap_set): Ditto.
3434 (find_leader_in_sets): Ditto.
3435 (bitmap_set_replace_value): Modify for bitmapped sets.
3436 (phi_translate): Ditto.
3437 (phi_translate_set): Ditto.
3438 (bitmap_find_leader): Ditto.
3439 (valid_in_sets): Ditto.
3440 (union_contains_value): Ditto.
3442 (compute_antic_aux): Ditto. Mark changed blocks.
3443 (compute_antic): Ditto. Iterate in postorder and only over
3445 (compute_rvuse_and_antic_safe): Reuse postorder.
3446 (create_component_ref_by_pieces): Modify for bitmapped sets.
3447 (find_or_generate_expression): Ditto.
3448 (create_expression_by_pieces): Ditto.
3449 (insert_into_preds_of_block): Ditto.
3450 (changed_blocks): New variable.
3451 (do_regular_insertion): Broken out from insert_aux.
3452 (insert_aux): Modified for bitmapped sets.
3453 (find_existing_value_expr): New function.
3454 (create_value_expr_from): Use it.
3455 (insert_extra_phis): Removed.
3456 (print_bitmap_set): Renamed from bitmap_print_value_set.
3457 (compute_avail): Handle RETURN_EXPR.
3458 (init_pre): Modify for bitmapped sets.
3459 * tree-flow.h (has_stmt_ann): New function.
3461 2006-10-29 Roger Sayle <roger@eyesopen.com>
3463 * builtins.c (fold_builtin_floor): Check for the availability of
3464 the C99 trunc function before transforming floor into trunc.
3466 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3468 * builtins.c (fold_builtin_hypot): Rearrange recursive
3469 transformation before others, and also do ABS_EXPR. When
3470 necessary, check flag_unsafe_math_optimizations. When necessary,
3473 2006-10-29 Roger Sayle <roger@eyesopen.com>
3475 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3476 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3477 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3478 Fold -X eq/ne -Y as X eq/ne Y.
3480 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3482 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3483 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3484 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3485 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3486 Use an inclusive test for "mult" rather than "mul".
3487 (rotr<mode>3): Depend on ISA_HAS_ROR.
3488 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3490 (GENERATE_MULT3_DI): Delete.
3491 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3492 (ISA_HAS_MUL3): New macro.
3493 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3494 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3495 (ISA_HAS_CLZ_CLO): Likewise.
3496 (ISA_HAS_DCLZ_DCLO): Delete.
3497 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3498 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3499 the VR4120 and VR4130.
3500 (ISA_HAS_MACCHI): Use consistent formatting.
3501 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3502 (ISA_HAS_ROR): ...this new macro.
3503 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3504 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3505 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3507 2006-10-29 Roger Sayle <roger@eyesopen.com>
3509 PR tree-optimization/15458
3510 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3513 2006-10-29 Richard Guenther <rguenther@suse.de>
3515 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3516 (ix86_expand_truncdf_32): Likewise.
3517 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3518 trunc inline for SSE math and -fno-trapping-math and if not
3519 optimizing for size.
3520 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3521 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3522 for expanding btrunc inline for SSE math.
3524 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3526 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3527 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3528 i[34567]86-*-solaris2.1[0-9]*.
3529 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3530 Define conditionally depending on TARGET_64BIT_DEFAULT.
3531 (SPEC_32, SPEC_64): Define.
3532 (LINK_SPEC): Use them.
3533 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3535 2006-10-29 Richard Guenther <rguenther@suse.de>
3537 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3538 (ix86_expand_rounddf_32): Likewise.
3539 * config/i386/i386.c (ix86_expand_round): New function expanding
3540 round inline for SSE math and -fno-trapping-math and if not
3541 optimizing for size.
3542 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3543 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3544 round via ix86_expand_round.
3546 2006-10-29 Richard Guenther <rguenther@suse.de>
3548 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3549 (ix86_expand_floorceildf_32): Likewise.
3550 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3551 static helper function.
3552 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3554 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3555 * config/i386/i386.md (floordf2): Adjust to enable floor
3556 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3557 -fno-trapping-math is enabled and if not optimizing for size.
3558 (floorsf2, ceildf2, ceilsf2): Likewise.
3559 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3560 (sse2_maskcmpdf3): Likewise.
3562 2006-10-29 Richard Guenther <rguenther@suse.de>
3564 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3565 rint in case -fno-trapping-math is enabled.
3566 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3567 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3568 (ix86_expand_sse_fabs): Likewise.
3569 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3570 * config/i386/i386.md (rintdf2): Enable for SSE math if
3571 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3572 (rintsf2): Likewise.
3574 2006-10-29 Richard Guenther <rguenther@suse.de>
3576 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3577 to conversion optabs.
3578 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3579 as conversion optab.
3580 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3581 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3582 (lfloor_optab, lceil_optab): Adjust defines.
3583 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3584 lfloor and lceil optabs now being conversion optabs.
3585 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3586 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3587 New static helper function.
3588 (ix86_expand_lfloorceil): New function to expand lfloor and
3590 * config/i386/i386.md (lfloor<mode>2): Split into ...
3591 (lfloorxf<mode>2): ... x87 variant
3592 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3593 using ix86_expand_lfloorceil.
3594 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3596 * doc/md.texi (lfloorMN, lceilMN): Document.
3598 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3600 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3601 -mno-shared assembler option on mips targets.
3602 * configure, config.in: Regenerate.
3603 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3604 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3605 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3607 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3609 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3610 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3612 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3614 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3615 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3618 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3621 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3622 (fold_builtin_pow): Evaluate constant arguments at compile-time
3624 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3625 (do_mpfr_ckconv): New helper function.
3626 (do_mpfr_arg1): Use do_mpfr_ckconv.
3627 (do_mpfr_arg2): New.
3629 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3632 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3633 (-fdump-rtl-sched): Rename to ..
3634 (-fdump-rtl-sched1): here. Also fix file extension number.
3636 2006-10-28 Richard Guenther <rguenther@suse.de>
3638 * fold-const.c (maybe_canonicalize_comparison): Fix code
3641 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3643 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3644 (NON_QI_REG_P): Use IN_RANGE.
3645 (REX_INT_REGNO_P): Use IN_RANGE.
3646 (FP_REGNO_P): Use IN_RANGE.
3647 (SSE_REGNO_P): Use IN_RANGE.
3648 (REX_SSE_REGNO_P): Use IN_RANGE.
3649 (MMX_REGNO_P): Use IN_RANGE.
3650 (STACK_REGNO_P): New macro.
3651 (STACK_REG_P): Use STACK_REGNO_P.
3652 (NON_STACK_REG_P): Use STACK_REGNO_P.
3653 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3654 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3655 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3656 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3657 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3659 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3661 * except.h (output_function_exception_table): Add 'const char*' param.
3662 * except.c (switch_to_exception_section): Add 'const char*' param.
3663 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3664 and flag_function_sections is set, use a function-specific section.
3665 (output_function_exception_table): Add 'const char*' param.
3666 Adjust call to switch_to_exception_section.
3667 * final.c (rest_of_handle_final): Adjust calls to
3668 output_function_exception_table.
3669 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3670 * config.in: Regenerate.
3671 * configure: Likewise.
3673 2006-10-28 Richard Guenther <rguenther@suse.de>
3676 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3677 for maybe_canonicalize_comparison.
3678 (maybe_canonicalize_comparison): New function for canonicalizing
3680 (fold_comparison): Call it to canonicalize comparisons with
3683 2006-10-28 Richard Guenther <rguenther@suse.de>
3686 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3687 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3688 (expand_builtin): Adjust likewise.
3689 * genopinit.c (optabs[]): Add lround optab.
3690 * optabs.c (init_optabs): Initialize lround_optab.
3691 * optabs.h (enum convert_optab_index): Add COI_lround.
3692 (lround_optab): Define.
3693 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3694 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3696 (ix86_expand_lround): New function.
3697 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3699 * doc/md.texi (lroundMN2): Document.
3701 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3704 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3705 argument to HOST_WIDE_INT. Update function prototype.
3706 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3707 "size" argument to HOST_WIDE_INT. Update function prototype.
3709 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3711 * config/i386/i386.c (output_387_ffreep): Create output from a
3712 template string for !HAVE_AS_IX86_FFREEP.
3714 2006-10-27 Eric Christopher <echristo@apple.com>
3716 * config/darwin.c: Fix formatting and grammar.
3718 2006-10-27 Jan Hubicka <jh@suse.cz>
3720 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3721 to be thrown away soon when IGNORE is set.
3722 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3723 indicating when return value shall not be computed.
3724 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3726 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3728 * config/i386/i386.h (TARGET_GEODE):
3729 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3730 (TARGET_CPU_DEFAULT_geode): New macro.
3731 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3732 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3733 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3734 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3735 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3737 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3738 (processor_type): Add PROCESSOR_GEODE.
3740 * config/i386/i386.md: Include geode.md.
3743 * config/i386/i386.c (geode_cost): New initialized global
3745 (m_GEODE, m_K6_GEODE): New macros.
3746 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3747 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3748 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3749 x86_schedule): Use m_K6_GEODE instead of m_K6.
3750 (x86_movx, x86_cmove): Set up m_GEODE.
3751 (x86_integer_DFmode_moves): Clear m_GEODE.
3752 (processor_target_table): Add entry for geode.
3753 (processor_alias_table): Ditto.
3755 * config/i386/geode.md: New file.
3757 * doc/invoke.texi: Add entry about geode processor.
3759 2006-10-27 Mike Stump <mrs@apple.com>
3761 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3762 __DYNAMIC__ from here back to ...
3763 * config/darwin.h (CPP_SPEC): ... here.
3765 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3766 Nathan Sidwell <nathan@codesourcery.com>
3768 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3769 when choosing the minimum heapsize.
3771 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3773 * gcc/unwind-dw2.h: Move cfa-related variables into
3774 struct frame_state_reg_info to ensure that the CFA is properly
3775 handled when executing DW_CFA_{remember,restore}_state.
3776 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3777 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3778 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3779 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3780 gcc/config/rs6000/linux-unwind.h,
3781 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3782 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3783 Modify to use new cfa_* fields.
3785 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3787 * config/s390/s390.c (s390_init_frame_layout): Check positive
3790 2006-10-26 Ben Elliston <bje@au.ibm.com>
3792 * gimplify.c (get_name): Remove extraneous break.
3793 (gimplify_omp_for): Initialise ret with GS_OK.
3795 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3797 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3798 Add unix98.o to link line.
3800 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3803 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3804 Calculate compile-time constants using MPFR.
3805 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3806 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3808 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3810 * config/xtensa/lib2funcs.S: Use C-style comments.
3812 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3814 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3815 (file_table_relative_p): Likewise.
3816 (dwarf2out_finish): Likewise.
3817 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3819 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3821 * tree-ssa-structalias.c (intra_create_variable_infos):
3822 Don't recreate nonlocal_all if it already exists.
3824 2006-10-25 Richard Guenther <rguenther@suse.de>
3827 * optabs.h (enum optab_index): Remove OTI_lrint.
3828 (enum convert_optab_index): Add COI_lrint.
3829 (lrint_optab): Adjust.
3830 (expand_sfix_optab): Declare.
3831 * optabs.c (expand_sfix_optab): New function.
3832 (init_optabs): Init lrint_optab as conversion optab.
3833 * genopinit.c (lrint_optab): Change to a conversion optab.
3834 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3835 expansion via conversion optab.
3836 * config/i386/i386.md (*fistdi2_1): Remove
3837 flag_unsafe_math_optimizations guard.
3838 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3839 fist<mode>2_with_temp): Likewise.
3840 (lrint<mode>2): Split into...
3841 (lrintxf<mode>2): ... x87 part
3842 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3843 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3844 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3845 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3846 * doc/md.texi (lrintMN2): Document.
3848 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3851 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3852 Use inc and dec instructions for TARGET_USE_INCDEC.
3853 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3854 ("sync_double_compare_and_swap<mode>"): Likewise.
3855 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3856 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3857 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3858 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3859 ("sync_old_add<mode>"): Likewise.
3860 ("sync_lock_test_and_set<mode>"): Likewise.
3861 ("sync_lock_test_and_set<mode>"): Likewise.
3862 ("sync_add<mode>"): Likewise.
3863 ("sync_sub<mode>"): Likewise.
3864 ("sync_ior<mode>"): Likewise.
3865 ("sync_and<mode>"): Likewise.
3866 ("sync_xor<mode>"): Likewise.
3868 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3870 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3871 (remainder_optab): Define corresponding macro.
3872 (drem_optab): Remove.
3873 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3874 drem_optab initialization.
3875 * genopinit.c (optabs): Implement remainder_optab using
3876 remainder?f3 patterns. Remove drem_optab.
3877 * builtins.c (expand_builtin_mathfn_2): Handle
3878 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3879 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3880 expand_builtin_mathfn_2.
3882 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3883 depend on flag_unsafe_math_optimizations.
3885 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3886 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3887 Do not depend on flag_unsafe_math_optimizations. Use
3888 truncxf?f expander instead of truncxf?f_i387_noop.
3890 ("fpremxf4", "fprem1xf4"): Do not depend on
3891 flag_unsafe_math_optimizations.
3892 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3893 flag_unsafe_math_optimizations. Use truncxf?f expander
3894 instead of truncxf?f_i387_noop.
3896 * doc/md.texi (fmod, remainder): Document standard named pattern.
3898 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3899 David Daney <ddaney@avtrex.com>
3902 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3904 2006-10-25 Ben Elliston <bje@au.ibm.com>
3906 * doc/extend.texi (Variable Attributes): Typo fix.
3908 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3910 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3911 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3912 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3913 (FRAME_POINTER_REGNUM): Update register number to 21.
3914 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3915 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3917 * config/i386/i386.c (regclass_map): Add fpcr entry.
3918 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3920 (print_reg): Assert REGNO (x) != FPCR_REG.
3922 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3923 (DIRFLAG_REG): Renumber.
3924 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3925 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3926 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3927 hardcoded SSE register numbers.
3929 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3930 hardcoded MMX register numbers.
3932 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3935 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3936 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3938 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3939 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3940 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3941 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3943 2006-10-24 Richard Guenther <rguenther@suse.de>
3946 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3947 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3948 for deciding optimizations in consistency with fold-const.c
3949 (fold_builtin_unordered_cmp): Likewise.
3951 2006-10-24 Richard Guenther <rguenther@suse.de>
3953 * builtins.c (fold_builtin_floor): Fold floor (x) where
3954 x is nonnegative to trunc (x).
3955 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3956 nonnegative to FIX_TRUNC_EXPR.
3958 2006-10-24 Richard Guenther <rguenther@suse.de>
3960 PR tree-optimization/29567
3961 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3962 for TRUTH_NOT_EXPR. Clarify comments.
3964 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3967 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3968 at compile-time using MPFR. Change parameter VALUE to FUNC,
3970 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3971 for overflow and underflow at all times and avoid folding in
3974 2006-10-24 Ben Elliston <bje@au.ibm.com>
3976 * reload1.c: Formatting fixes.
3978 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3980 PR tree-optimization/14784
3981 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3982 * tree-ssa-structalias.c (get_constraint_for,
3983 intra_create_variable_infos): Set is_heapvar.
3984 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3985 non-heapvar pointer variables specially.
3987 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3990 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3991 fold_builtin_tan): Fold all constant arguments. Take a "type"
3992 argument as necessary.
3993 (do_mpfr_arg1): New.
3994 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3996 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3998 * config/xtensa/lib1funcs.asm: Use C-style comments.
4000 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
4002 * tree.c (local_define_builtin): Replace calls to
4003 lang_hooks.builtin_function with add_builtin_function.
4004 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
4006 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
4008 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
4009 common code to add_builtin_function.
4010 * langhooks.c (add_builtin_function): New function.
4011 (lhd_builtin_function): New function.
4012 * langhooks.h (struct lang_hooks): Change the signature of
4014 (add_builtin_function): New function.
4015 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
4016 calls to lang_hooks.builtin_function with add_builtin_function.
4017 * c-common.c (decl_builtin_1): Replace calls to
4018 lang_hooks.builtin_function with add_builtin_function.
4019 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
4020 lang_hooks.builtin_function with add_builtin_function.
4021 * config/frv/frv.c (def_builtin): Replace calls to
4022 lang_hooks.builtin_function with add_builtin_function.
4023 * config/s390/s390.c (s390_init_builtins): Replace calls to
4024 lang_hooks.builtin_function with add_builtin_function.
4025 * config/sparc/sparc.c (def_builtin): Replace calls to
4026 lang_hooks.builtin_function with add_builtin_function.
4027 * config/i386/i386.c (def_builtin): Replace calls to
4028 lang_hooks.builtin_function with add_builtin_function.
4029 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
4030 lang_hooks.builtin_function with add_builtin_function.
4031 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
4032 lang_hooks.builtin_function with add_builtin_function.
4033 * config/stormy16/stormy16.c (xstormy16_init_builtins):
4034 Replace calls to lang_hooks.builtin_function with
4035 add_builtin_function.
4036 * config/iq2000/iq2000.c (def_builtin):
4037 Replace calls to lang_hooks.builtin_function with
4038 add_builtin_function.
4039 * config/ia64/ia64.c (def_builtin): Replace calls to
4040 lang_hooks.builtin_function with add_builtin_function.
4041 * config/rs6000/rs6000.c (def_builtin): Replace calls to
4042 lang_hooks.builtin_function with add_builtin_function.
4043 (altivec_init_builtins): Replace calls to
4044 lang_hooks.builtin_function with add_builtin_function.
4045 * config/arm/arm.c (def_mbuiltin): Replace calls to
4046 lang_hooks.builtin_function with add_builtin_function.
4047 (arm_init_tls_builtins): Replace calls to
4048 lang_hooks.builtin_function with add_builtin_function.
4049 * config/mips/mips.c (mips_init_builtins): Replace calls to
4050 lang_hooks.builtin_function with add_builtin_function.
4051 * config/bfin/bfin.c (def_builtin): Replace calls to
4052 lang_hooks.builtin_function with add_builtin_function.
4053 * langhooks-def.h (lhd_builtin_function): New function.
4054 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
4056 2006-10-23 Jakub Jelinek <jakub@redhat.com>
4058 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
4059 BUILT_IN_STRNCAT_CHK.
4061 2006-10-23 Jan Hubicka <jh@suse.cz>
4063 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
4064 don't do conversion from memmove to memcpy here.
4065 (expand_builtin_bcopy, expand_builtin): Update call of
4066 expand_builtin_memmove.
4067 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
4069 2006-10-23 Paul Brook <paul@codesourcery.com>
4071 * stor-layout.c (start_record_layout): maximum_field_alignment
4072 overrides STRUCTURE_SIZE_BOUNDARY.
4074 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
4076 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
4077 nonlocal function symbols if flag_pic.
4079 2006-10-23 Richard Guenther <rguenther@suse.de>
4083 * builtins.c (fold_binary): Remove checks for flag_wrapv
4084 and flag_trapv where negate_expr_p covers these cases.
4086 2006-10-23 Richard Guenther <rguenther@suse.de>
4089 * fold-const.c (fold_plusminus_mult_expr): Check exact power
4090 of two on the absolute value.
4091 (fold_binary): Fold x * -C to -x * C if x is easily negatable
4092 and negating -C does not overflow.
4094 2006-10-23 Richard Guenther <rguenther@suse.de>
4097 * convert.c (convert_to_real): Fold (float)-x to -(float)x
4098 only if not flag_rounding_math.
4100 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4101 Kaz Kojima <kkojima@gcc.gnu.org>
4104 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4105 SImode memory reference for the source of a movua.
4106 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4107 (movua): Use an unspec instead of sign_extract. Expect the source
4108 to have mode BLKmode.
4109 (extv, insv): Use a BLKmode rather than SImode memory reference
4110 for the source of a movua.
4112 2006-10-22 Jeff Law <law@redhat.com>
4113 Richard Guenther <rguenther@suse.de>
4115 PR tree-optimization/15911
4116 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4117 (register_edge_assert_for_1): Likewise.
4118 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4119 (find_conditional_asserts): Adjust for new function signature.
4120 (find_assert_locations): Likewise.
4122 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4124 * config/i386/tmmintrin.h: Remove the duplicated content.
4126 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4128 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4129 (x86_64-*-*): Likewise.
4131 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4132 (override_options): Check SSSE3.
4133 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4134 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4135 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4136 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4137 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4138 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4139 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4140 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4141 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4142 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4143 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4144 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4145 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4146 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4147 IX86_BUILTIN_PABSD128.
4148 (bdesc_2arg): Add SSSE3.
4149 (bdesc_1arg): Likewise.
4150 (ix86_init_mmx_sse_builtins): Support SSSE3.
4151 (ix86_expand_builtin): Likewise.
4152 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4154 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4155 (UNSPEC_PSIGN): Likewise.
4156 (UNSPEC_PALIGNR): Likewise.
4157 Include mmx.md before sse.md.
4159 * config/i386/i386.opt: Add -mssse3.
4161 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4162 (ssse3_phaddwv4hi3): Likewise.
4163 (ssse3_phadddv4si3): Likewise.
4164 (ssse3_phadddv2si3): Likewise.
4165 (ssse3_phaddswv8hi3): Likewise.
4166 (ssse3_phaddswv4hi3): Likewise.
4167 (ssse3_phsubwv8hi3): Likewise.
4168 (ssse3_phsubwv4hi3): Likewise.
4169 (ssse3_phsubdv4si3): Likewise.
4170 (ssse3_phsubdv2si3): Likewise.
4171 (ssse3_phsubswv8hi3): Likewise.
4172 (ssse3_phsubswv4hi3): Likewise.
4173 (ssse3_pmaddubswv8hi3): Likewise.
4174 (ssse3_pmaddubswv4hi3): Likewise.
4175 (ssse3_pmulhrswv8hi3): Likewise.
4176 (ssse3_pmulhrswv4hi3): Likewise.
4177 (ssse3_pshufbv16qi3): Likewise.
4178 (ssse3_pshufbv8qi3): Likewise.
4179 (ssse3_psign<mode>3): Likewise.
4180 (ssse3_psign<mode>3): Likewise.
4181 (ssse3_palignrti): Likewise.
4182 (ssse3_palignrdi): Likewise.
4183 (abs<mode>2): Likewise.
4184 (abs<mode>2): Likewise.
4186 * config/i386/tmmintrin.h: New file.
4188 * doc/extend.texi: Document SSSE3 built-in functions.
4190 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4192 2006-10-22 Ira Rosen <irar@il.ibm.com>
4194 * tree-vect-transform.c (vectorizable_load): Use the type of the
4195 return value of the mask_for_load builtin to create realign_load
4198 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4200 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4203 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4205 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4206 (UNSPEC_LDDQU): This.
4207 * config/i386/sse.md (sse3_lddqu): Updated.
4209 2006-10-21 Richard Guenther <rguenther@suse.de>
4211 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4212 (expand_builtin): Use it to expand lrint instead of
4213 expand_builtin_mathfn.
4215 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4218 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4219 flag_unsafe_math_optimizations is set.
4221 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4224 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4225 patterns to use memory input operand in x87->mem->XMM
4226 reload sequences. Skip transformation for TARGET_K8.
4228 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4230 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4231 force operand1 to register if both operands are memory operands.
4232 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4233 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4234 if both operands are memory operands.
4235 (truncdfsf2): Do not force operand1 to register if both operands
4236 are memory operands.
4238 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4240 * Makefile.in (LIBS): Add $(GMPLIBS).
4241 * doc/install.texi: Update GMP and MPFR requirements.
4242 * doc/sourcebuild.texi (need_gmp): Delete.
4244 2006-10-21 Richard Guenther <rguenther@suse.de>
4246 PR tree-optimization/3511
4247 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4248 got new invariant arguments during PHI translation.
4250 2006-10-21 Richard Guenther <rguenther@suse.de>
4253 * fold-const.c (fold_comparison): Fold signed comparisons
4254 of the form X +- C1 CMP Y +- C2.
4256 2006-10-21 Richard Guenther <rguenther@suse.de>
4259 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4260 if flag_unsafe_math_optimizations is specified. We have
4261 flag_finite_math_only for that.
4262 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4263 or flag_unsafe_math_optimizations.
4265 2006-10-21 Richard Guenther <rguenther@suse.de>
4267 * builtins.c (fold_builtin_classify): Fix typo.
4269 2006-10-21 Richard Guenther <rguenther@suse.de>
4272 * simplify-rtx.c (simplify_const_relational_operation):
4273 Do not constant-fold ORDERED and UNORDERED for
4274 flag_unsafe_math_optimizations but only we do not need to
4275 honor NaNs for the given mode.
4277 2006-10-21 Richard Guenther <rguenther@suse.de>
4280 * config/i386/i386.c (classify_argument): Remove redundant
4281 walking of the BINFOs.
4282 (contains_128bit_aligned_vector_p): Likewise.
4284 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4286 * BASE-VER: Set to 4.3.0.
4288 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4290 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4291 (tree_decl_with_vis): Remove artificial_pta_var flag.
4292 * tree-flow.h (referenced_var_check_and_insert): Expose.
4293 (nonlocal_all): New prototype.
4294 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4295 (nonlocal_all): Make global.
4296 (nonlocal_lookup): Remove.
4297 (nonlocal_insert): Ditto.
4298 (create_nonlocal_var): Do not call nonlocal_insert.
4299 (get_nonlocal_id_for_type): Remove.
4300 (find_global_initializers): Mark new vars we find for renaming.
4301 (intra_create_variable_infos): Only create one nonlocal.
4302 (expand_nonlocal_solutions): Remove.
4303 (compute_points_to_sets): Don't call it.
4304 (ipa_pta_execute): Ditto.
4305 (init_alias_heapvars): Don't create nonlocal_for_type.
4306 (delete_alias_heapvars): Don't remove it.
4307 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4310 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4312 * doc/install.texi (Downloading GCC): Clarify mention of
4313 Fortran in the "full distribution" description.
4315 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4317 Fix PR tree-optimization/28778
4318 Fix PR tree-optimization/29156
4319 Fix PR tree-optimization/29415
4320 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4321 (tree_decl_with_vis): Add artificial_pta_var flag.
4322 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4323 pushed into callers.
4324 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4325 (nonlocal_all): Ditto.
4326 (struct variable_info): Add directly_dereferenced member.
4327 (var_escaped_vars): New variable.
4328 (escaped_vars_tree): Ditto.
4329 (escaped_vars_id): Ditto.
4330 (nonlocal_vars_id): Ditto.
4331 (new_var_info): Set directly_dereferenced.
4332 (graph_size): New variable
4333 (build_constraint_graph): Use graph_size.
4334 (solve_graph): Don't process constraints that cannot change the
4335 solution, don't try to propagate an empty solution to our
4337 (process_constraint): Set directly_dereferenced.
4338 (could_have_pointers): New function.
4339 (get_constraint_for_component_ref): Don't process STRING_CST.
4340 (nonlocal_lookup): New function.
4341 (nonlocal_insert): Ditto.
4342 (create_nonlocal_var): Ditto.
4343 (get_nonlocal_id_for_type): Ditto.
4344 (get_constraint_for): Allow results vector to be empty in the case
4345 of string constants.
4346 Handle results of calls properly.
4347 (update_alias_info): Update alias info stats on number and type of
4349 (find_func_aliases): Use could_have_pointers.
4350 (make_constraint_from_escaped): Renamed from
4351 make_constraint_to_anything, and changed to make constraints from
4353 (make_constraint_to_escaped): New function.
4354 (find_global_initializers): Ditto.
4355 (create_variable_info_for): Make constraint from escaped to any
4356 global variable, and from any global variable to the set of
4358 (intra_create_variable_infos): Deal with escaped instead of
4359 pointing to anything.
4360 (set_uids_in_ptset): Do type pruning on directly dereferenced
4362 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4363 (init_base_vars): Fix comment, and initialize escaped_vars.
4364 (need_to_solve): Removed.
4365 (find_escape_constraints): New function.
4366 (expand_nonlocal_solutions): Ditto.
4367 (compute_points_to_sets): Call find_escape_constraints and
4368 expand_nonlocal_solutions.
4369 (delete_points_to_sets): Don't fall off the end of the graph.
4370 (init_alias_heapvars): Initialize nonlocal_for_type and
4372 (delete_alias_heapvars): Free nonlocal_for_type and null out
4375 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4377 * fold-const.c (add_double): Rename to add_double_with_sign.
4378 Add 'unsigned_p' parameter and take it into account for the overflow.
4379 (mul_double): Rename to mul_double_with_sign.
4380 Add 'unsigned_p' parameter and take it into account for the overflow.
4381 (fold_div_compare): Call add_double_with_sign instead of add_double
4382 and mul_double_with_sign instead of mul_double, passing them the
4383 unsignedness of the type.
4384 * tree.h (add_double): Macroize.
4385 (add_double_with_sign): New prototype.
4386 (mul_double): Macroize.
4387 (mul_double_with_sign): New prototype.
4389 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4391 * config/score/crti.asm: New file.
4392 * config/score/crtn.asm: New file.
4393 * config/score/elf.h: New file.
4394 * config/score/mac.md: New file.
4395 * config/score/misc.md: New file.
4396 * config/score/mul-div.S: New file.
4397 * config/score/predicates.md: New file.
4398 * config/score/score7.md: New file.
4399 * config/score/score.c: New file.
4400 * config/score/score-conv.h: New file.
4401 * config/score/score.h: New file.
4402 * config/score/score.md: New file.
4403 * config/score/score-mdaux.c: New file.
4404 * config/score/score-mdaux.h: New file.
4405 * config/score/score-modes.def: New file.
4406 * config/score/score.opt: New file.
4407 * config/score/score-protos.h: New file.
4408 * config/score/score-version.h: New file.
4409 * config/score/t-score-elf: New file.
4410 * config.gcc: Add score*-*-* configurations(Update before).
4411 * doc/invoke.texi (Score Options): New section.
4412 * doc/md.texi (Score family): New section to document constraints.
4414 2006-10-19 Nick Clifton <nickc@redhat.com>
4416 * config/arm/arm.c: Fix spelling typo.
4418 2006-10-18 Tom Tromey <tromey@redhat.com>
4420 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4422 2006-10-18 Jan Hubicka <jh@suse.cz>
4425 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4428 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4430 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4431 TSI_SAME_STMT, since that's the desired entity.
4433 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4435 * config/s390/contraints.md: New file.
4436 * config/s390/s390-protos.h (s390_mem_constraint,
4437 s390_O_constraint_str, s390_N_constraint_str,
4438 s390_float_const_zero_p): Function prototypes added.
4439 * config/s390/s390.c (s390_extra_constraint_str,
4440 s390_const_double_ok_for_constraint_p,
4441 s390_const_ok_for_constraint_p): Functions removed.
4442 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4443 s390_float_const_zero_p): New functions.
4444 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4445 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4446 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4447 Macro definitions removed.
4448 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4449 s390_extra_constraint_str): Functions removed.
4451 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4452 Richard Sandiford <richard@codesourcery.com>
4455 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4456 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4458 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4460 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4461 (DWARF2_FRAME_REG_OUT): Likewise.
4462 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4463 (DWARF2_FRAME_REG_OUT): Likewise.
4465 2006-10-17 Paul Brook <paul@codesourcery.com>
4467 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4469 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4471 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4472 Standardize on "GNU Fortran" as the official name of the Fortran
4475 2006-10-16 Mike Stump <mrs@apple.com>
4477 * doc/invoke.texi (Darwin Options): Document -mkernel.
4478 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4480 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4481 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4482 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4483 (OS_MISSING_ALTIVEC): Add.
4484 * config/i386/i386.c (override_options): Add
4485 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4486 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4487 -mkernel, -static or -mdynamic-no-pic is given.
4488 (C_COMMON_OVERRIDE_OPTIONS): Add.
4489 * config/darwin.opt (fapple-kext): Add.
4491 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4492 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4494 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4495 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4496 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4497 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4498 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4499 (flag_mkernel): Add.
4500 (flag_apple_kext): Add.
4501 (TARGET_KEXTABI): Add.
4502 * config/darwin.c (darwin_handle_kext_attribute): Add.
4503 (DARWIN_VTABLE_P): Add.
4504 (darwin_binds_local_p): Add partial support for rebinding vtables
4506 (darwin_kextabi_p): Add.
4507 (darwin_override_options): Add.
4508 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4509 (darwin_kextabi_p): Add.
4510 (darwin_override_options): Add.
4511 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4512 __DYNAMIC__ and __STATIC__ here.
4514 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4516 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4517 Added mention of "make pdf" target, and Texinfo requirements for
4520 2006-10-16 DJ Delorie <dj@redhat.com>
4522 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4523 into the GOT in case we need a subreg of the address.
4525 2006-10-16 Richard Guenther <rguenther@suse.de>
4528 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4529 SSE builtin documentation. Document SSE2 builtins.
4531 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4533 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4534 symbol in the output file for non-shared links when -nostdlib or
4535 -nodefaultlibs isn't specified.
4537 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4538 posix thread support.
4540 2006-10-15 Jan Hubicka <jh@suse.cz>
4543 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4544 declared always_inline even when not inlining.
4546 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4547 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4548 Andrew Pinski <pinskia@gmail.com>
4551 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4553 2006-10-15 Jan Hubicka <jh@suse.cz>
4554 Richard Guenther <rguenther@suse.de>
4557 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4558 process_function_and_variable_attributes on all variables, including
4559 those discovered during cgraph construction phase.
4561 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4563 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4565 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4567 * config/i386/athlon.md (athlon_fist): Add fisttp.
4569 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4570 Ian Lance Taylor <ian@airs.com>
4573 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4574 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4577 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4579 * config/score/score.c, config/score/score.h: Fix comment
4582 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4585 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4588 2006-10-13 Eric Christopher <echristo@apple.com>
4590 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4592 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4595 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4596 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4597 alignment supported by 32-bit ELF.
4599 2006-10-13 Eric Christopher <echristo@apple.com>
4601 * config/darwin.c (darwin_emit_unwind_label): Strip
4602 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4604 2006-10-13 Richard Guenther <rguenther@suse.de>
4606 PR tree-optimization/29446
4607 * tree-vrp.c (fix_equivalence_set): Remove.
4608 (extract_range_from_assert): Do not call fix_equivalence_set.
4609 (debug_value_range): Print a newline.
4610 (compare_name_with_value): For equivalence sets with
4611 inconsistent value ranges conservatively bail out.
4612 (compare_names): Likewise.
4614 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4616 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4617 and MPFR for gfortran.
4619 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4621 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4622 alignment supported by 32-bit ELF.
4624 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4628 * c-typeck.c (digest_init): Always allow initializing vectors
4629 that have static storage duration with compound literals.
4630 * tree.c (build_type_attribute_qual_variant): New, based on
4631 build_type_attribute_variant.
4632 (build_type_attribute_variant): Rewrite using the former.
4633 (make_vector_type): Use build_type_attribute_qual_variant to build
4634 type variants. Use type_hash_canon on the others.
4636 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4637 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4639 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4641 2006-10-12 Jan Hubicka <jh@suse.cz>
4644 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4645 current_function_decl is set but current_function_scope is not.
4647 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4649 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4650 emit_insn to emit eh_return_internal instruction.
4651 (eh_return_internal): Explicitly set pc.
4653 2006-10-11 Richard Guenther <rguenther@suse.de>
4655 PR tree-optimization/28230
4656 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4657 to the correct place.
4659 2006-10-11 Richard Guenther <rguenther@suse.de>
4662 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4665 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4667 * configure.ac: Added pdf to "Make-hooks"
4668 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4669 targets and *.pdf file patterns in cleanup targets.
4670 * configure: Regenerated.
4672 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4674 * config/avr/predicates.md: New file.
4675 * config/avr/avr.md: Include it.
4676 (REG_SP): New constant.
4677 (peepholes): Use predicates.
4678 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4679 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4680 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4682 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4684 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4687 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4690 * builtins.c (var_decl_component_p): New function.
4691 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4692 single entry optimization to variables and components thereof.
4694 2006-10-10 Richard Guenther <rguenther@suse.de>
4696 PR rtl-optimization/29323
4697 * except.c (set_nothrow_function_flags): For functions
4698 that do not bind local bail out early.
4700 2006-10-10 Ben Elliston <bje@au.ibm.com>
4702 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4705 2006-10-09 Richard Henderson <rth@redhat.com>
4707 Revert emutls patch.
4709 2006-10-09 Richard Guenther <rguenther@suse.de>
4712 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4715 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4718 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4719 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4720 * configure: Regenerate.
4721 * config.in: Regenerate.
4723 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4725 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4727 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4729 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4730 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4731 Remove stray newline.
4733 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4735 * config/mips/mips.c (mips_classify_symbol): Do not return
4736 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4737 (mips_in_small_data_p): Tweak comments.
4739 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4741 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4743 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4745 * gimplify.c, sched-int.h: Fix comment typos.
4747 * sched-int.h: Fix comment typos.
4749 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4751 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4753 * sched-ebb.c (begin_schedule_ready): Use them.
4754 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4755 add_to_speculative_block, create_check_block_twin, speculate_insn,
4756 fix_jump_move, move_block_after_check): Ditto.
4757 * sched-rgn.c (new_ready): Ditto.
4759 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4761 PR rtl-optimization/29128
4762 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4763 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4764 allow interblock movement of speculation checks.
4766 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4769 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4770 casted to integer type.
4771 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4772 if they are significantly more expensive than [reg + index] ones.
4774 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4776 PR tree-optimization/29330
4777 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4778 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4779 on newly allocated ddrs.
4780 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4781 to VEC (loop_p, heap) pointer.
4782 (compute_data_dependences_for_loop): Adjust caller.
4783 (free_dependence_relations): Free DDR_LOOP_NEST.
4785 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4786 free DEPENDENCE_RELATIONS and DATAREFS.
4789 * builtins.c (expand_builtin_sync_operation,
4790 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4791 Use convert_to_mode to handle promoted arguments.
4793 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4795 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4797 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4799 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4801 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4803 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4804 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4805 Use <modeconstraint> instead of "r" as operand 1 constraint.
4807 2006-10-06 Olivier Hainque <hainque@adacore.com>
4809 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4810 Don't recurse on the pointed-to type.
4811 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4812 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4813 types with components of variable size.
4815 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4817 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4819 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4821 PR tree-optimization/29290
4822 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4826 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4827 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4830 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4831 the number of vector elements fill the rest with zeros.
4833 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4835 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4836 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4839 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4841 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4842 unnamed pattern into subsi3. Use correct constraints/predicates.
4843 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4844 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4846 2006-10-05 Ira Rosen <irar@il.ibm.com>
4848 * doc/loop.texi: Add data references analysis description.
4850 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4852 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4854 2006-10-04 Richard Henderson <rth@redhat.com>
4855 Jakub Jelinek <jakub@redhat.com>
4857 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4858 * builtin-types.def (BT_WORD): Make unsigned.
4859 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4860 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4861 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4862 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4863 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4864 * cgraph.c (decide_is_variable_needed): Look at force_output.
4865 Recurse for emulated tls.
4866 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4867 checks redundant with decide_is_variable_needed.
4868 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4869 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4871 * expr.c (emutls_var_address): New.
4872 (expand_expr_real_1): Expand emulated tls.
4873 (expand_expr_addr_expr_1): Likewise.
4874 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4875 * output.h (emutls_finish): Declare.
4876 * toplev.c (compile_file): Call it.
4877 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4878 address before wrapping in CONST.
4879 * varasm.c (emutls_htab, emutls_object_type): New.
4880 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4881 (get_emutls_object_name, get_emutls_object_type): New.
4882 (get_emutls_init_templ_addr, emutls_decl): New.
4883 (emutls_common_1, emutls_finish): New.
4884 (assemble_variable): When emulating tls, swap decls; generate
4885 constructor for the emutls objects.
4886 (do_assemble_alias): When emulating tls, swap decl and target name.
4887 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4889 * emutls.c: New file.
4890 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4891 tls_object for real tls.
4893 2006-10-04 Zack Weinberg <zackw@panix.com>
4895 Fix bug in constraint-check generator, reported by Rask Ingemann
4897 * genpreds.c (add_constraint): Don't remove anything from the
4899 (write_tm_constrs_h): Detect whether "op" argument is used, and
4900 mark it ARG_UNUSED if it isn't.
4901 (write_insn_const_int_ok_for_constraint): Skip the part of the
4902 expression that would test whether "op" (which is not available
4903 here) is a CONST_INT.
4905 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4908 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4910 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4912 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4913 current Leopard versions.
4914 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4916 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4918 * doc/install.texi: Fix typos.
4920 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4922 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4923 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4924 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4926 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4928 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4929 arg to be struct mach_header_64* instead.
4931 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4934 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4935 side effects after the outer expression's post side effects.
4937 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4939 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4940 comments to reflect actual behavior and relationship between
4941 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4943 * doc/c-tree.texi (Working with declarations): Fix documentation
4944 of FIELD_DECL likewise.
4946 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4949 * doc/extend.texi: Add used variable attribute description.
4951 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4954 * c.opt (Woverride-init): New.
4955 * c-opts.c (c_common_post_options): Default warn_override_init to
4957 * c-typeck.c (add_pending_init, output_init_element): Warn for
4958 overriding initializers without side effects.
4959 * doc/invoke.texi (-Woverride-init): Document.
4962 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4964 PR rtl-optimization/28096
4965 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4966 assignment has already been used as a destination earlier in the block.
4968 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4970 * builtins.c (expand_builtin_setjmp): Delete.
4971 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4972 <BUILT_IN_SETJMP_SETUP>: New case.
4973 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4974 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4975 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4976 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4977 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4978 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4979 (lower_function_body): Initialize it to false. If it is set to true
4980 at the end of the processing, emit the setjmp dispatcher.
4981 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4982 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4983 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4984 on the rhs of the assignment.
4985 (lower_builtin_setjmp): New function.
4986 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4987 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4988 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4989 to detect calls that can go to non-local labels. Use specific
4990 helper to create the abnormal edges associated with them.
4991 <MODIFY_EXPR>: Likewise.
4992 (make_abnormal_goto_edges): New function extracted from...
4993 (make_goto_expr_edges): ...here. Call it for computed gotos.
4994 (simple_goto_p): Minor tweak.
4995 (tree_can_make_abnormal_goto): New predicate.
4996 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4997 (tree_purge_dead_abnormal_call_edges): New function.
4998 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4999 (tree_purge_dead_abnormal_call_edges): Likewise.
5000 (make_abnormal_goto_edges): Likewise.
5001 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
5002 Purge all dead abnormal edges if the call was in the last statement.
5003 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
5004 (execute_fixup_cfg): If there are non-local labels in the function,
5005 scan the basic blocks and split them at calls that can go to non-local
5006 labels or add missing abnormal call edges. Write down the CFG in the
5008 (pass_fixup_cfg): Remove TODO_dump_func flag.
5009 * unwind-sjlj.c: Poison setjmp.
5010 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
5011 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
5012 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
5013 (DONT_USE_BUILTIN_SETJMP): Document it.
5015 2006-09-28 Geoffrey Keating <geoffk@apple.com>
5018 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
5019 to 1 when __ppc64__ is defined.
5020 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
5022 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
5024 2006-09-28 Steve Ellcey <sje@cup.hp.com>
5026 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
5027 * config/ia64/unwind-hpux.c: Delete.
5029 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
5031 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
5032 on the element before gimplifying it, instead of punting if it is of
5035 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
5037 * doc/loop.texi: New file.
5038 * doc/gccint.texi: Reference loop.texi.
5039 * Makefile.in (loop.texi): Add.
5041 2006-09-27 Geoffrey Keating <geoffk@apple.com>
5043 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
5045 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5046 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5048 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
5050 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
5052 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
5054 * doc/install.texi: Document required versions of GMP and MPFR.
5056 2006-09-27 Paul Brook <paul@codesourcery.com>
5059 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
5061 2006-09-27 Richard Sandiford <richard@codesourcery.com>
5063 * reload1.c (alter_reg): Require the alignment of the stack slot to
5064 be at least reg_max_ref_width bytes.
5065 (scan_paradoxical_subregs): Record the largest width in
5068 2006-09-26 Jakub Jelinek <jakub@redhat.com>
5072 * tree-nested.c (struct nesting_info): Added static_chain_added.
5073 (convert_call_expr): Set static_chain_added when adding static
5074 chain. Handle OMP_PARALLEL and OMP_SECTION.
5076 2006-09-25 Matthias Klose <doko@debian.org>
5078 * doc/invoke.texi: Add missing full stop.
5080 2006-09-25 Richard Henderson <rth@redhat.com>
5082 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
5083 before cgraph_function_flags_ready.
5085 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
5086 Adam Nemet <anemet@caviumnetworks.com>
5088 * tree-ssa-loop-ivopts.c (aff_combination_convert,
5089 determine_common_wider_type): New functions.
5090 (get_computation_aff): Use them to simplify arithmetic between
5091 UBASE and CBASE if they are shortened from the same type.
5093 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
5096 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
5097 -2147483647 - 1 instead of 0x80000000.
5099 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
5101 * flags.h (HONOR_NANS): Fix typo in comment.
5103 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5105 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5107 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5111 * tree.c (merge_attributes, attribute_list_contained): If both
5112 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5114 * c-typeck.c (comptypes_internal): Don't consider aggregates
5115 in different TUs as compatible if there one set of attributes is
5116 not a subset of the other type's attributes.
5117 (composite_type): Try harder not to create a new aggregate type.
5119 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5121 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5122 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5123 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5124 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5125 than replicating condition above.
5126 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5128 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5129 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5130 the linker by default.
5132 2006-09-22 Mike Stump <mrs@apple.com>
5134 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5137 2006-09-22 Richard Guenther <rguenther@suse.de>
5140 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5141 sort of stack variables stable.
5143 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5146 * explow.c (force_reg): Set REG_POINTER flag according to
5149 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5151 PR tree-optimization/28888
5152 * tree-if-conv.c (combine_blocks): Rewritten.
5153 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5154 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5156 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5158 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5161 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5163 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5165 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5167 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5169 2006-09-21 Roger Sayle <roger@eyesopen.com>
5172 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5173 dw_fde_current_label, to be the start of the function, i.e. the same
5174 value as dw_fde_begin.
5176 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5178 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5179 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5180 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5181 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5182 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5183 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5184 (abs<mode>2, neg<mode>2): Likewise.
5185 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5186 (*mips_abs_ps): New define_insn.
5188 2006-09-20 Josh Conner <jconner@apple.com>
5191 * calls.c (expand_call): Allow reuse of structure return stack
5194 2006-09-20 Paul Brook <paul@codesourcery.com>
5196 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5199 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5201 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5202 clean up terminology.
5204 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5207 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5208 with tablejumps in them.
5210 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5213 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5214 wrap it into TARGET_EXPR.
5216 2006-09-20 Eric Christopher <echristo@apple.com>
5218 * config/i386/i386.c (x86_fisttp): Remove.
5219 * config/i386/i386.h (x86_fisttp): Ditto.
5220 (TARGET_FISTTP): Ditto.
5222 2006-09-19 Eric Christopher <echristo@apple.com>
5224 * doc/tm.texi (OBJC_JBLEN): Describe.
5225 * config/i386/darwin.h (OBJC_JBLEN): Define.
5226 * config/rs6000/darwin.h: Ditto.
5228 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5230 PR rtl-optimization/21299
5231 * reload1.c (reload): Purge invalid ASMs in the final pass.
5233 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5236 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5237 pointers as legitimate constants.
5239 2006-09-19 Paul Brook <paul@codesourcery.com>
5242 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5244 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5246 PR tree-optimization/28887
5247 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5248 component parts from the reference.
5249 (gather_memory_references_ref): Record the reference without the
5250 nonaddressable component parts.
5252 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5255 * c-opts.c (c_common_handle_option): Ignore the -std options
5256 if the input language is assembly.
5258 2006-09-17 Ira Rosen <irar@il.ibm.com>
5261 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5263 (ptr_ptr_may_alias_p): Likewise.
5264 (record_record_differ_p): New function.
5265 (base_object_differ_p): Call record_record_differ_p.
5267 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5270 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5271 away for the expr argument.
5273 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5276 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5277 before using it for dumping after vectorizing loops.
5279 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5280 Jack Howarth <howarth@bromo.med.uc.edu>
5283 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5284 skip on error_mark_node.
5285 (rs6000_darwin64_record_arg_recurse): Likewise.
5287 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5289 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5290 * doc/rtl.texi: Remove related documentation.
5292 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5294 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5297 2006-09-15 Jim Wilson <wilson@specifix.com>
5299 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5300 Handle symbol offsets same as they are handled in ia64_expand_move
5303 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5305 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5306 Add forgotten parameter to the fprintf call.
5308 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5310 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5312 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5314 * doc/contrib.texi: Add my entry.
5316 2006-09-15 Nick Clifton <nickc@redhat.com>
5318 * doc/md.texi (Processor pipeline description): Fix typo in
5319 example of how to use the absence_set directive and reword the
5320 description to make it slightly easier to read.
5322 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5324 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5325 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5326 expanding the number of iterations.
5327 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5329 * cfgrtl.c (emit_insn_at_entry): New function.
5330 * rtl.h (emit_insn_at_entry): Declare it.
5331 * integrate.c (emit_initial_value_sets): Use it.
5333 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5335 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5337 (struct loop_work and related VEC declarations): Delete.
5338 (bfin_dump_loops): Print out new member bad.
5339 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5340 (bfin_scan_loop): Don't recurse.
5341 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5342 loops. No longer need to update outer loops if the current one is
5343 found bad. Move some validitiy checks to bfin_discover_loop.
5344 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5345 but changed not to check for nesting. Also changed to use the new bad
5347 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5348 time. Use bitmap based test to discover loop nesting.
5350 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5352 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5355 2006-09-14 Richard Guenther <rguenther@suse.de>
5356 Kazu Hirata <kazu@codesourcery.com>
5358 PR middle-end/28884.
5359 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5360 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5361 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5362 with TARGET_FUNCTION_VALUE.
5364 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5367 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5369 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5371 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5374 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5377 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5380 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5382 * basic_block.h (bb_has_eh_pred): Fix comment.
5384 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5386 * flow.c (calculate_global_regs_live): Invalidate eh registers
5387 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5388 (propagate_block): Handle eh registers as if they were set at basic
5390 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5392 * global.c (global_conflicts): Make eh registers to conflict with
5393 pseudos live at basic block begin.
5394 * basic_block.h (bb_has_eh_pred): New function.
5396 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5398 PR rtl-optimization/28982
5399 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5400 index of a PRE_MODIFY or POST_MODIFY address.
5401 * reload1.c (inc_for_reload): Use find_replacement on the original
5402 base and index registers.
5404 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5406 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5407 for -Os. Update __m128 alignment requirement.
5409 2006-09-13 Jan Hubicka <jh@suse.cz>
5411 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5413 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5415 PR rtl-optimization/28243
5416 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5417 the insn to which the note was originally attached.
5419 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5420 Roger Sayle <roger@eyesopen.com>
5422 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5423 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5424 on platforms that don't use dwarf for debug info.
5426 2006-09-12 Jason Merrill <jason@redhat.com>
5429 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5430 hard_frame_pointer_rtx after using it to update the frame pointer.
5432 2006-09-12 Roger Sayle <roger@eyesopen.com>
5434 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5435 (TARGET_ASM_CLOSE_PAREN): Likewise.
5436 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5437 (TARGET_ASM_CLOSE_PAREN): Likewise.
5439 2006-09-12 Roger Sayle <roger@eyesopen.com>
5442 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5443 frame information for frames larger than 512 Kbytes on Tru64 when
5444 using the native assembler.
5446 2006-09-12 Roger Sayle <roger@eyesopen.com>
5450 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5451 and symbols. Instead use the implementation from cse.c's hash_rtx.
5453 2006-09-12 Jan Hubicka <jh@suse.cz>
5455 PR rtl-optimization/28071
5456 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5457 (vect_transform_loop): Likewise.
5458 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5459 (new_loop_vec_info): Likewise.
5460 (destroy_loop_vec_info): Likewise.
5461 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5462 (create_stmt_ann): Likewise.
5463 (create_tree_ann): Rename to ...
5464 (create_tree_common_ann): ... this one; allocate only the common part
5466 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5467 (get_value_handle): Likewise.
5468 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5469 get_tree_common_ann.
5470 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5471 (vinfo_for_stmt): Use stmt annotations.
5472 * tree-flow.h (tree_ann_common_t): New type.
5473 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5474 (tree_ann, get_tree_ann, create_tree_ann): New.
5475 * tree-flow-inline.h (get_function_ann): Do more type checking.
5476 (stmt_ann): Likewise.
5477 (tree_ann): Rename to ...
5478 (tree_common_ann): ... this one; return ony common_ann
5479 (get_tree_ann): Rename to ...
5480 (tree_common_ann): This one; return only common_ann.
5481 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5484 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5486 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5487 with_cpu by default.
5489 * dwarf2out.c (dwarf_file_data): New.
5490 (enum dw_val_class): Add dw_val_class_file.
5491 (struct dw_val_struct): Add val_file.
5492 (file_table): Change to a hash table.
5493 (file_table_emitted): Delete.
5494 (file_table_last_lookup_index): Delete.
5495 (emitcount): Delete.
5496 (last_emitted_file): New.
5497 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5498 (init_file_table): Delete.
5499 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5500 (AT_addr): Add comment.
5504 (print_die): Handle dw_val_class_file.
5505 (print_dwarf_line_table): Update for new file table structure.
5506 (attr_checksum): Do checksum a filename.
5507 (same_dw_val_p, same_attr_p): Do compare a filename.
5508 (size_of_die): Handle dw_val_class_file.
5509 (value_format): Likewise.
5510 (output_die): Likewise. Also, call maybe_emit_file here.
5511 (struct file_info): Constify filenames. Make file_idx a pointer
5512 to a struct dwarf_file_data.
5513 (struct dir_info): Constify directory names. Remove 'used' field.
5514 (struct file_name_acquire_data): New.
5515 (file_name_acquire): New.
5516 (output_file_names): Modify to handle new file data structures.
5517 (add_src_coords_attributes): Use add_AT_file.
5518 (add_call_src_coords_attributes): Likewise.
5519 (dwarf2out_imported_module_or_decl): Likewise.
5520 (gen_subprogram_die): Modify for new file data structures.
5521 (gen_variable_die): Likewise.
5522 (file_table_eq): New.
5523 (file_table_hash): New.
5524 (file_table_last_lookup): New.
5525 (lookup_filename): Rewrite to handle new file data structures.
5526 (maybe_emit_file): Rewrite to handle new file data structures.
5527 (dwarf2out_source_line): Always call lookup_filename and
5529 (dwarf2out_init): Create file_table here.
5530 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5531 (file_table_relative_p): New.
5532 (dwarf2out_finish): Change detection of relative filenames
5533 to work with new file data structures. Move output_line_info call
5534 after debug_info output.
5536 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5541 * config/i386/i386.c (override_options): Always default to 16
5542 byte stack boundary.
5544 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5547 * var-tracking.c (dump_dataflow_set): Start dumping at
5549 (clobber_variable_part): Kill only the variable part in
5550 registers holding it, leaving other variables alone.
5552 2006-09-11 Josh Triplett <josh@freedesktop.org>
5554 * doc/extend.texi (Other Builtins): Actually use the macro
5555 argument in the documentation example for
5556 __builtin_types_compatible_p.
5558 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5560 PR rtl-optimization/28726
5561 * sched-deps.c (sched_analyze_reg): New function extracted from...
5562 (sched_analyze_1): ...here. Call it to analyze references to
5563 registers. Treat again writes to a stack register as writing to the
5565 (sched_analyze_2): ...and here. Call it to analyze references to
5566 registers. Treat again reads of a stack register as reading the
5569 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5570 David Edelsohn <edelsohn@gnu.org>
5573 * config/rs6000/spe.md (frob_df_di): Remove %H.
5574 (frob_di_df): Remove %H. Change evmergelo to mr.
5575 (frob_di_df_2): Remove %H. Change evldd to two loads.
5577 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5579 * doc/cpp.texi: Fix names of charset options.
5581 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5584 * config/i386/i386.c (override_options): Use 128-bit
5585 stack boundary always for 64bits.
5587 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5589 PR rtl-optimization/28636
5590 * combine.c (force_to_mode): Test for side-effects before
5591 substituting by zero.
5592 (simplify_shift_const): Likewise for zero or other constants.
5594 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5597 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5600 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5603 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5604 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5605 returned by mode_for_size, rather than the mode of src itself,
5606 to choose between 32-bit and 64-bit patterns.
5607 (mips_mem_fits_mode_p): New function.
5608 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5609 that the size of the source matches the size of the destination.
5610 (mov_<store>l, mov_<store>r): Likewise.
5612 2006-09-10 Eric Christopher <echristo@apple.com>
5614 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5617 2006-09-09 Eric Christopher <echristo@apple.com>
5620 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5623 2006-09-09 Roger Sayle <roger@eyesopen.com>
5624 Nicolas Setton <setton@adacore.com>
5626 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5628 2006-09-10 Andreas Schwab <schwab@suse.de>
5630 * config/m68k/m68k.md (bungt_rev): New pattern.
5632 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5633 Dale Johannesen <dalej@apple.com>
5636 * regclass.c (struct reg_pref): Update documentation.
5637 (regclass): Set prefclass to NO_REGS if memory is the best option.
5638 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5640 2006-09-08 Eric Christopher <echristo@apple.com>
5642 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5643 * config/t-slibgcc-darwin: Support x86_64 multilib.
5644 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5645 Return 1 for x86_64-darwin.
5646 * config/i386/t-darwin: Add m64 multilib.
5647 (LIB2_SIDITI_CONV_FUNCS): Use.
5648 (LIB2FUNCS_EXTRA): Ditto.
5649 * config/i386/darwin.h: Support x86_64.
5650 * config/i386/i386.c (override_options): Turn on flag_pic
5651 for x86_64-darwin. Disable flag_omit_pointer.
5652 (get_pc_thunk_name): Assert !TARGET_64BIT.
5653 (legitimate_address_p): Disable machopic addressing for
5655 (legitimize_pic_address): Ditto.
5656 (ix86_expand_move): Ditto.
5657 (ix86_expand_call): Ditto.
5658 (machopic_output_stub): Ditto.
5659 * config/darwin.c (machopic_select_section): Support literal16.
5660 (machopic_select_rtx_section): Ditto.
5661 * config/darwin-sections.def: Ditto.
5662 * config/darwin-64.c: New.
5664 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5667 * c-tree.h (struct c_arg_info): Add pending_sizes.
5668 * c-parser.c (c_parser_parms_declarator,
5669 c_parser_parms_list_declarator): Initialize pending_sizes.
5670 * c-decl.c (get_parm_info): Initialize pending_sizes.
5671 (get_parm_info): Set pending_sizes.
5672 (grokdeclarator): Call put_pending_sizes for parameters for
5673 function definition only.
5675 2006-09-07 Jason Merrill <jason@redhat.com>
5678 * varasm.c (output_constant): Only strip actual no-op conversions.
5681 * config/i386/i386.c (override_options): Use 128-bit
5682 stack boundary if -msse.
5684 2006-09-07 Eric Christopher <echristo@apple.com>
5686 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5688 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5691 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5693 * dwarf2out.c: Remove strange characters from comment above
5694 dwarf2out_frame_debug_expr.
5696 2006-09-07 Eric Christopher <echristo@apple.com>
5698 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5699 * config/darwin.h: ... to here.
5701 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5703 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5705 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5706 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5708 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5709 TARGET_PARTIAL_FLAG_REG_STALL.
5710 (*ashldi3_cconly_rex64): Likewise.
5711 (*ashlsi3_cmp): Likewise.
5712 (*ashlsi3_cconly): Likewise.
5713 (*ashlsi3_cmp_zext): Likewise.
5714 (*ashlhi3_cmp): Likewise.
5715 (*ashlhi3_cconly): Likewise.
5716 (*ashlqi3_cmp): Likewise.
5717 (*ashlqi3_cconly): Likewise.
5718 (*ashrdi3_cmp_rex64): Likewise.
5719 (*ashrdi3_cconly_rex64): Likewise.
5720 (*ashrsi3_cmp): Likewise.
5721 (*ashrsi3_cconly): Likewise.
5722 (*ashrsi3_cmp_zext): Likewise.
5723 (*ashrhi3_cmp): Likewise.
5724 (*ashrhi3_cconly): Likewise.
5725 (*ashrqi3_cmp): Likewise.
5726 (*ashrqi3_cconly): Likewise.
5727 (*lshrdi3_cmp_rex64): Likewise.
5728 (*lshrdi3_cconly_rex64): Likewise.
5729 (*lshrsi3_cmp): Likewise.
5730 (*lshrsi3_cconly): Likewise.
5731 (*lshrsi3_cmp_zext): Likewise.
5732 (*lshrhi3_cmp): Likewise.
5733 (*lshrhi3_cconly): Likewise.
5734 (*lshrqi2_cmp): Likewise.
5735 (*lshrqi2_cconly): Likewise.
5737 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5740 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5741 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5742 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5743 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5744 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5745 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5746 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5747 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5748 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5749 implement only CC setting effects of shift instructions.
5751 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5753 * doc/contrib.texi: Add myself.
5755 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5758 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5759 was set by the user.
5761 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5764 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5765 (divsi_inv_m1): Use them.
5766 (UNSPEC_DIV_INV_TABLE): New constant.
5768 2006-09-06 James E Wilson <wilson@specifix.com>
5771 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5772 then call count_or_remove_death_notes.
5774 2006-09-06 Jason Merrill <jason@redhat.com>
5777 * tree-inline.c (copy_result_decl_to_var): New fn.
5778 (declare_return_variable): Use it. Call declare_inline_vars here.
5779 (expand_call_inline): Not here.
5781 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5783 * doc/contrib.texi: Update my entry.
5785 2006-09-06 Nick Clifton <nickc@redhat.com>
5787 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5789 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5792 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5793 (canonicalize_induction_variables): Likewise.
5794 (tree_unroll_loops_completely): Likewise.
5795 (tree_ssa_prefetch_arrays): Likewise.
5796 (remove_empty_loops): Likewise.
5797 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5798 TODO_cleanup_cfg instead of directly calling
5799 cleanup_tree_cfg_loop.
5800 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5802 (tree_unroll_loops_completely): Likewise.
5803 (remove_empty_loops): Likewise.
5804 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5805 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5806 of tree_ssa_unswitch_loops.
5807 (tree_ssa_loop_ivcanon): Use the return value of
5808 canonicalize_induction_variables.
5809 (tree_ssa_empty_loop): Use the return value of
5811 (tree_complete_unroll): Use the return value of
5812 tree_unroll_loops_completely.
5813 (tree_ssa_loop_prefetch): Use the return value of
5814 tree_ssa_prefetch_arrays.
5815 * passes.c (execute_todo): Before Cleanup CFG, set
5816 updating_used_alone and after cleanup CFG, call
5817 recalculate_used_alone.
5819 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5822 * tree-vect-transform.c (vectorizable_condition): Move the check
5823 for the type after the check for simple condition.
5825 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5826 Kaz Kojima <kkojima@gcc.gnu.org>
5829 * mode-switching.c (optimize_mode_switching): Make the destination
5830 block of an abnormal edge have no anticipatable mode. Don't
5831 insert mode switching code at the end of the source block of
5834 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5836 PR rtl-optimization/26847
5837 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5838 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5839 (simplify_plus_minus): Count n_constants while filling ops. Replace
5840 qsort with insertion sort. Before going through the array to simplify
5841 pairs, sort it. Delay early exit until after the first sort, exiting
5842 only if no swaps occurred. Simplify pairs in reversed order, without
5843 special-casing the first iteration. Pack ops after simplifying pairs.
5845 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5847 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5848 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5849 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5850 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5852 2006-09-05 Richard Guenther <rguenther@suse.de>
5854 PR tree-optimization/28900
5855 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5856 compound conditional before creating COND_EXPR condition.
5858 2006-09-05 Richard Guenther <rguenther@suse.de>
5860 PR tree-optimization/28905
5861 * tree-vrp.c (fix_equivalence_set): Manually implement
5862 !value_ranges_intersect_p to also handle symbolic ranges.
5864 2006-09-05 Richard Guenther <rguenther@suse.de>
5867 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5870 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5872 PR rtl-optimization/27616
5873 * cse.c (table_size): New static variable.
5874 (new_basic_block): Initialize it to 0.
5875 (remove_from_table): Decrement it.
5876 (insert): Increment it.
5877 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5878 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5879 fold_rtx_mem_1 if under the cap.
5880 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5881 the lookup of the equivalent expression and test for equality of the
5882 first operand of the equivalent expression before in turn looking up
5883 an equivalent constant for the second operand.
5885 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5888 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5889 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5890 pointer, instead of assuming it is possible to derive the
5891 correct args size from a call insn.
5893 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5896 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5897 (fold_builtin_mempcpy): Rename to...
5898 (fold_builtin_memory_op): ... this. Optimize one element copy
5900 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5902 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5903 (expand_builtin_memcpy, expand_builtin_mempcpy,
5904 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5905 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5906 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5907 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5909 2006-09-01 DJ Delorie <dj@redhat.com>
5911 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5912 (stzx_16): Likewise.
5913 ("stzx_24_<mode>"): Likewise.
5914 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5915 ("cmp<mode>_op"): New.
5916 (cmp<mode>): Change to expander; just save operands.
5918 (b<code>): Change to expander, emit compare here.
5919 (s<code>_op): Change to use split and expander.
5920 (s<code>_24_op): Likewise.
5921 (s<code>_<mode>): New.
5922 (s<code>_<mode>_24): New.
5923 (movqicc_<code>_<mode): New.
5924 (movhicc_<code>_<mode>): New.
5927 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5928 (m32c_pend_compare): New.
5929 (m32c_unpend_compare): New.
5930 (m32c_expand_scc): New.
5931 (m32c_expand_movcc): Emit the compare also.
5932 * config/m32c/predicates.md (mra_nopp_operand): New.
5934 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5935 Richard Guenther <rguenther@suse.de>
5936 Adam Nemet <anemet@caviumnetworks.com>
5939 * builtins.c (get_pointer_alignment): Handle more forms
5940 of base addresses that can be used to derive more precise
5941 information about alignment.
5943 2006-09-01 Jason Merrill <jason@redhat.com>
5946 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5949 * gimplify.c (voidify_wrapper_expr): Handle null type.
5951 2006-09-01 Josh Conner <jconner@apple.com>
5954 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5955 (execute_return_slot_opt): Use it.
5957 2006-08-31 Josh Conner <jconner@apple.com>
5960 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5961 returning aggregates.
5963 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5965 PR tree-optimization/28839
5966 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5967 blocks in that phi arguments appear.
5969 2006-08-31 Roger Sayle <roger@eyesopen.com>
5972 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5973 NULL, otherwise use an advance_loc4 to adjust relative to the
5975 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5976 (dwarf2out_switch_text_section): Reset the current label to avoid
5977 using advance_loc4 over section boundaries.
5979 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5982 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5983 r12 + SYMBOLIC_CONST.
5985 2006-08-30 Richard Guenther <rguenther@suse.de>
5987 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5989 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5991 PR rtl-optimization/27735
5992 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5993 Add new argument to keep track of whether an irreducible region
5994 was affected. All callers changed.
5995 (fix_irreducible_loops): Removed.
5996 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5997 flags were invalidated.
5999 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
6001 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
6002 instead of SF operands.
6003 (*fop_df_comm_sse): Likewise.
6004 (*fop_df_comm_i387): Likewise.
6005 (*fop_df_1_mixed): Likewise.
6006 (*fop_df_1_sse): Likewise.
6008 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6009 J"orn Rennecke <joern.rennecke@st.com>
6011 PR tree-optimization/17506
6012 * tree-ssa.c (warn_uninit): If warning about a location outside of
6013 the current function, note where the variable was declared.
6015 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
6017 PR tree-optimization/28411
6018 * double-int.c (double_int_div): Use double_int_divmod.
6019 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
6020 double_int_mod, double_int_smod, double_int_umod): New functions.
6021 * double-int.h (double_int_divmod, double_int_sdivmod,
6022 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
6024 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
6026 (get_computation_aff, get_computation_cost_at): Handle double_int
6027 return type of constant_multiple_of.
6029 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
6032 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
6033 an implicit conversion.
6035 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
6037 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
6039 2006-08-27 Roger Sayle <roger@eyesopen.com>
6041 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
6044 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
6046 * config/i386/crtfastmath.c: Fix a comment typo.
6048 2006-08-26 Roger Sayle <roger@eyesopen.com>
6050 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
6051 temporary visit flags on CASE_LABEL_EXPRs.
6052 * c-common.c (match_case_to_enum): Add function comment. Avoid
6053 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
6054 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
6055 CASE_HIGH_SEEN for enumerated types. If the switch expression is
6056 a constant, only warn if that constant value isn't handled.
6058 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
6061 * input.h (restore_input_file_stack): Declare.
6062 (INPUT_FILE_STACK_BITS): Define.
6063 * toplev.c (fs_p, input_file_stack_history,
6064 input_file_stack_restored, restore_input_file_stack): New.
6065 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
6066 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
6067 (pop_srcloc): Don't free old state of stack.
6069 2006-08-26 David Edelsohn <edelsohn@gnu.org>
6072 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
6073 (PowerPC Type Attributes): New.
6075 2006-08-26 Bob Wilson <bob.wilson@acm.org>
6077 * config/xtensa/xtensa.c (function_arg_boundary): New.
6078 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
6080 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
6081 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
6083 2006-08-26 Jakub Jelinek <jakub@redhat.com>
6086 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
6089 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6091 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
6092 (verify_local_live_at_start): Likewise.
6094 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6097 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
6098 omp_add_variable): Treat sizes as variable whenever not
6101 2006-08-26 Richard Guenther <rguenther@suse.de>
6104 * fold-const.c (fold_binary): Fold temporary to correct
6105 type before constructing new comparison.
6107 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6110 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6111 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6113 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6116 * c-decl.c (start_function): Don't try to process prototype
6117 information from old declaration that isn't a function.
6119 2006-08-25 Jan Hubicka <jh@suse.cz>
6122 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6124 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6127 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6130 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6132 PR tree-optimization/16876
6133 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6134 exit if PARM doesn't match VALUE.
6136 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6138 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6139 literal_prefix directive.
6140 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6141 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6142 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6144 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6147 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6148 predicate to general_operand. Add 0->y and I->r alternatives.
6150 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6152 * doc/tm.texi: Fix a typo.
6153 * predict.c: Fix comment typos.
6155 2006-08-25 Nick Clifton <nickc@redhat.com>
6157 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6158 assertions of "cpu" and "machine".
6160 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6163 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6164 the access through a base which has an alias set of 0 cannot
6167 2006-08-24 Bill Wendling <wendling@apple.com>
6169 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6171 2006-08-24 Jan Hubicka <jh@suse.cz>
6173 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6175 2006-08-24 Jan Hubicka <jh@suse.cz>
6178 * cgraph.c: Fix comments.
6179 (cgraph_varpool_mark_needed_node): Mark only variables not already
6181 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6182 (cgraph_varpool_assembled_nodes_queue): New static variable.
6183 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6184 (cgraph_varpool_output_debug_info): New function.
6185 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6186 * Makefile.in: Add gt-cgraphunit.h
6188 2006-08-24 Jan Hubicka <jh@suse.cz>
6190 * predict.c (probability_reliable_p): New predicate.
6191 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6192 (predict_loops): Do not predict loop exit with less than 2%
6194 * basic-block.h (edge_probability_reliable_p,
6195 br_prob_note_reliable_p): Declare.
6196 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6197 prediction when static predictor is not reliable.
6198 * rs6000.c (output_cbranch): Likewise.
6200 2006-08-23 Stuart Hastings <stuart@apple.com>
6203 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6204 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6206 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6209 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6210 complex values, nor for generic vector values.
6212 2006-08-22 Richard Guenther <rguenther@suse.de>
6215 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6216 parameter. Convert arguments to arithmetic expression to the
6218 (analyze_scalar_evolution_1): Adjust caller.
6220 2006-08-22 Jan Hubicka <jh@suse.cz>
6222 Patch by Paolo Bonzini
6223 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6226 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6228 PR tree-optimization/28003
6229 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6230 before grouping aliases.
6232 2006-08-22 Roger Sayle <roger@eyesopen.com>
6234 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6235 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6237 2006-08-21 Jason Merrill <jason@redhat.com>
6240 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6241 wrapper. Loop to handle nested wrappers.
6242 (gimplify_bind_expr): Remove temp parameter.
6243 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6244 and STATEMENT_LIST on the rhs.
6245 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6246 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6247 (gimplify_target_expr): Remove special BIND_EXPR handling.
6249 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6251 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6254 2006-08-21 Olivier Hainque <hainque@adacore.com>
6256 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6257 Arrange for the temporary captures of components overlapping the lhs
6258 to happen before the lhs is possibly cleared.
6260 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6262 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6263 necessary places to pass the correct "number of registers" values
6266 2006-08-20 Jan Hubicka <jh@suse.cz>
6268 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6269 (create_name_tags): Instead of quadratic checking use hashtable.
6270 * bitmap.h: Include hashtab.h.
6271 (bitmap_hash): Declare.
6272 * bitmap.c (bitmap_hash): New function.
6274 2006-08-20 Jan Hubicka <jh@suse.cz>
6276 PR rtl-optimization/28071
6277 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6279 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6280 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6281 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6282 cgraph_decide_inlining_incrementally): Update use of
6283 cgraph_check_inline_limits.
6284 * cgraph.c (edge_hash, edge_eq): New function.
6285 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6286 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6287 cgraph_remove_node): Maintain call site hash.
6288 * cgraph.h (struct cgraph_node): Add call_site_hash.
6289 (cgraph_set_call_stmt): New function.
6291 2006-08-20 Jan Hubicka <jh@suse.cz>
6293 PR rtl-optimization/28071
6294 * reload1.c (reg_has_output_reload): Turn into regset.
6295 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6296 choose_reload_regs, emit_reload_insns): Update to new
6297 reg_has_output_reload.
6299 2006-08-20 Jan Hubicka <jh@suse.cz>
6302 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6303 function body sizes.
6304 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6306 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6309 * tree.c (handle_dll_attribute): Return early if not a
6310 var or function decl.
6312 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6315 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6316 alignment of SPE vector types.
6318 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6320 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6322 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6325 * cgraph.h (struct cgraph_node): Remove externally_visible
6327 * cgraphunit.c (process_function_and_variable_attributes): Set
6328 local.externally_visible rather than externally_visible.
6331 * c-common.c (handle_externally_visible_attribute): First look
6332 at TREE_CODE and only if it is function or var decl, check for
6333 non-public objects. Don't warn for DECL_EXTERNAL.
6334 * cgraphunit.c (process_function_and_variable_attributes): Warn
6335 if externally_visible attribute is used on non-public object.
6337 2006-08-17 Jan Hubicka <jh@suse.cz>
6339 PR tree-optimization/27865
6340 * reload1.c (forget_marked_reloads): New function.
6341 (forget_old_reloads_1): When data are passed, just mark the registers
6343 (reload_as_needed): Use the new mechanizm.
6345 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6348 * reload.h (reg_equiv_alt_mem_list): New declaration.
6349 * reload1.c (reg_equiv_alt_mem_list): New definition.
6350 (reload): Initialize it and release it.
6351 (delete_output_reload): Use it.
6352 * reload.c (push_reg_equiv_alt_mem): New function.
6353 (find_reloads_toplev): Call it.
6354 (find_reloads_address, find_reloads_address_1): Likewise.
6355 (find_reloads_subreg_address): Likewise.
6357 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6359 PR rtl-optimization/28489
6360 * sched-ebb.c (begin_schedule_ready): Create basic block
6362 (advance_target_bb): Skip empty blocks.
6363 * haifa-sched.c (bb_note): Make global.
6364 * sched-int.h (bb_note): Add prototype.
6366 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6368 PR tree-optimization/27865
6369 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6371 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6372 fold_used_pointer, pointer_used_p): New functions.
6373 (analyze_scalar_evolution_1): Use fold_used_pointer.
6374 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6375 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6378 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6381 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6382 or the INTEGER_CST. Fail on a CALL_EXPR.
6383 (fold_offsetof): Pass new argument to fold_offsetof_1.
6384 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6385 operand into an INDIRECT_REF.
6386 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6388 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6390 PR gcov/profile/26570
6391 * value-prof.c (static_values): Removed.
6392 (tree_find_values_to_profile): Do not set static_values.
6393 (find_values_to_profile): Do not free static_values.
6394 * profile.c (instrument_values): Do not free the values.
6395 (branch_prob): Free the values.
6397 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6399 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6401 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6404 * c-typeck.c (build_component_ref): Combine qualifiers of
6405 structure or union and field.
6407 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6409 PR rtl-optimization/28071
6410 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6411 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6412 * tree-into-ssa.c (struct dom_dfsnum): New.
6413 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6415 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6416 compute_global_livein.
6417 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6418 in phi nodes in the correct blocks.
6420 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6422 PR tree-optimization/28364
6423 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6425 (fold_affine_expr): New function.
6426 (may_eliminate_iv): Use fold_affine_expr.
6428 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6431 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6434 2006-08-16 Mike Stump <mrs@apple.com>
6436 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6437 * doc/cppopts.texi (-MD): Likewise.
6439 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6442 * c-common.c (handle_weak_attribute): Ignore and warn if
6443 not a FUNCTION_ or VAR_DECL.
6445 2006-07-15 Mike Stump <mrs@apple.com>
6448 * c-parser.c (c_parser_typeof_specifier): Don't use
6449 c_finish_expr_stmt, open code desired semantics instead.
6451 2006-08-15 Nick Clifton <nickc@redhat.com>
6453 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6454 fragment to tmake_file only if threads are enabled.
6455 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6456 * config/i386/t-gthr-win32: New file. ... here.
6458 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6461 * c-parser.c (c_parser_compound_statement_nostart): Reset
6462 parser->error after each statement.
6464 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6467 * omp-low.c (lower_omp_parallel): Convert t to
6468 receiver_decl's type.
6469 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6470 source before comparison.
6473 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6474 to itype in assignment to oldival2.
6476 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6480 * c-typeck.c (build_compound_expr): If the second expression
6481 is an error mark, then just return an error mark instead of
6482 creating a COMPOUND_EXPR.
6484 2006-07-14 Mike Stump <mrs@apple.com>
6486 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6488 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6490 * c-decl.c, var-tracking.c: Fix comment typos.
6492 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6494 PR rtl-optimization/28634
6495 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6496 for floating-point modes unless flag_unsafe_math_optimizations.
6498 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6499 Andrew Pinski <pinskia@physics.uc.edu>
6502 * tree.c (build_array_type): Unify array types with
6503 unspecified index_type.
6504 * c-decl.c (grokdeclarator): Make sure we do not modify a
6505 unified incomplete array type.
6506 * c-typeck.c (store_init_value): Create distinct type before
6507 filling in the index type in an initializer from a compound
6510 * c-decl.c (grokdeclarator): Remove code where we copy the
6513 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6515 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6516 into account for TODO_dump_cgraph.
6517 (TODO_update_ssa_no_phi): Likewise.
6518 (TODO_update_ssa_full_phi): Likewise.
6519 (TODO_update_ssa_only_virtuals): Likewise.
6520 (TODO_remove_unused_locals): Likewise.
6521 (TODO_set_props): Likewise.
6522 (TODO_update_stmt_usage): Likewise.
6524 2006-08-13 Dirk Mueller <dmueller@suse.de>
6526 * c-common.c (strict_aliasing_warning): Fix formatting.
6528 2006-08-13 Matthias Klose <doko@debian.org>
6530 * doc/invoke.texi: Fix spelling errors.
6532 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6534 PR rtl-optimization/23454
6535 * reorg.c (relax_delay_slots): Update comment.
6537 2006-08-11 Richard Guenther <rguenther@suse.de>
6540 * simplify-rtx.c (simplify_const_relational_operation):
6541 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6544 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6546 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6547 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6549 2006-08-10 Paul Brook <paul@codesourcery.com>
6551 * final.c (final_scan_insn): Clear current_insn_predicate before
6552 outputting inline asm.
6554 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6556 PR tree-optimization/26197
6557 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6558 get_ref_base_and_extent and overlap_subvar to add only relevant
6559 subvars as may-aliases.
6560 (add_may_alias_for_new_tag): New function, factored out of
6562 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6563 with additional argument.
6564 * tree-flow.h (new_type_alias): Takes additional argument.
6566 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6568 * gcov.c (no_data_file): New flag.
6569 (read_count_file): Set it if data file not present. Assume counts
6571 (output_lines): Don't name the data file, if there wasn't one.
6573 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6575 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6576 (rs6000_generate_compare): Tweak comments.
6577 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6579 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6581 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6582 (var_debug_decl): New function.
6583 (var_reg_set): Follow debug decl link. Add location even if
6584 reg is already known to hold some other variable.
6585 (var_mem_set): Follow debug decl link.
6586 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6587 decl link. Delete other known locations of the variable part
6589 (var_reg_delete, var_mem_delete): Delete other known locations
6590 of the variable part if requested.
6591 (same_variable_part_p): New function.
6592 (add_stores): Select MO_COPY when appropriate.
6593 (vt_initialize): Handle it.
6594 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6595 known locations for MO_SET and MO_CLOBBER.
6596 (find_variable_location_part): New function.
6597 (set_variable_part, delete_variable_part): Use it.
6598 (clobber_variable_part): New function.
6599 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6602 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6604 PR tree-optimization/26969
6605 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6606 with an empty list of PHIs.
6608 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6612 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6615 2006-08-06 Andreas Schwab <schwab@suse.de>
6617 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6618 string. Whitespace and comment fixup.
6620 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6623 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6627 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6630 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6632 2006-08-04 Jan Hubicka <jh@suse.cz>
6636 * reload.c (push_reload): Patch out the mismatching instruction;
6638 (find_reload): Bail out if the instruction was patched out.
6640 2006-08-04 Jan Hubicka <jh@suse.cz>
6642 PR tree-optimization/24888
6643 * tree-inline.c (expand_call_inline): Do not re-record variables.
6644 (declare_inline_vars): Add variable to unexpanded_var_list.
6646 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6647 Roger Sayle <roger@eyesopen.com>
6649 PR rtl-optimization/26244
6650 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6651 inner_const are negative or greater than or equal to the bitsize of
6652 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6653 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6654 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6655 CONST0_RTX (mode) when the new shift count is greater than or equal to
6656 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6659 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6661 * tree-cfg.c: Fix a comment typo.
6663 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6666 * varasm.c (output_constant): Give the front end another chance to
6667 expand constants, after stripping NOPs.
6669 2006-08-03 Jan Hubicka <jh@suse.cz>
6671 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6674 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6676 PR tree-optimization/27770
6677 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6678 declaration removed (moved to tree-flow.h).
6679 (vect_can_force_dr_alignment_p): Likewise.
6680 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6681 (moved from tree-vectorizer.h).
6682 (vect_can_force_dr_alignment_p): Likewise.
6683 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6684 from outside the vectorizer - in particular from cgraph stage.
6685 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6686 the alignment of global arrays when -fsection-anchors is enabled.
6687 * cgraphunit.c (cgraph_increase_alignment): New function.
6688 (cgraph_optimize): Call cgraph_increase_alignment.
6690 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6693 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6694 not reload a SPE symbol_ref into a lo_sum address.
6696 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6699 * dwarf2out.c (prune_unused_types_prune): Move call to
6700 prune_unused_types_update_strings to cover the parent DIE also.
6702 2006-08-02 Jan Hubicka <jh@suse.cz>
6704 PR gcov/profile/28480
6705 * tree-cfg.c (change_bb_for_stmt): New function.
6706 (tree_merge_blocks, tree_split_blocks): Use it.
6708 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6714 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6715 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6716 (cgraph_optimize): Likewise.
6718 2006-08-01 Stuart Hastings <stuart@apple.com>
6720 * rtl.h (UINTVAL) New.
6721 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6722 * testsuite/gcc.dg/20060801-1.c: New.
6724 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6727 * c-typeck.c (build_external_type): Mark used enum types.
6728 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6730 (gen_subprogram_die): Whitespace fix.
6732 2006-08-01 Jan Hubicka <jh@suse.cz>
6734 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6735 bitmap when not needed.
6736 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6739 2006-08-01 Dirk Mueller <dmueller@suse.de>
6741 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6743 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6745 * Makefile.in: Revert part of previous patch:
6746 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6749 2006-07-30 Eric Christopher <echristo@apple.com>
6752 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6753 (PowerPC Variable Attributes): New section.
6755 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6757 PR target/28126 (partial fix)
6758 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6760 2006-07-28 Jan Hubicka <jh@suse.cz>
6762 PR rtl-optimization/28071
6763 * cfgrtl.c (rtl_delete_block): Free regsets.
6764 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6766 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6768 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6769 and variables used in dependencies.
6771 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6773 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6774 %fs for -mcmodel=kernel.
6775 (stack_tls_protect_test_di): Likewise.
6777 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6779 * Makefile.in: Use mkinstalldirs.
6781 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6784 * opts-common.c (prune_options): Skip joined switches.
6786 2006-07-27 Jan Hubicka <jh@suse.cz>
6788 PR rtl-optimization/28071
6789 * cselib.c (cselib_process_insn): Don't remove useless values too
6790 often for very large hashtables.
6792 2006-07-27 Jan Hubicka <jh@suse.cz>
6794 PR rtl-optimization/28071
6795 * global.c (greg_obstack): New obstack.
6796 (allocate_bb_info): Use it.
6797 (free_bb_info): Likewise.
6798 (modify_reg_pav): Likewise.
6800 2006-07-27 Roger Sayle <roger@eyesopen.com>
6802 * builtins.c (fold_fixed_mathfn): When long and long long are the
6803 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6804 functions to their lceil*, lfloor*, lround* and lrint* forms.
6806 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6809 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6811 (rev_branch_insn): Likewise.
6813 2006-07-27 Jan Hubicka <jh@suse.cz>
6815 PR rtl-optimization/28071
6816 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6817 (reg_set_in_bb, max_reg_computed): New static variables.
6818 (regmove_optimize): Free the new array.
6819 (fixup_match_1): Update call of reg_is_remote_constant_p.
6821 2006-07-26 Jan Hubicka <jh@suse.cz>
6823 PR tree-optimization/27882
6824 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6826 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6828 (cgraph_analyze_compilation_unit): Likewise.
6829 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6830 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6831 (cgraph_early_inlinine): Make order garbage collected.
6832 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6834 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6836 * dbxout.c (output_types_sort): Add a comment.
6837 (output_used_types): Free the VEC.
6839 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6841 * function.c (reorder_fix_fragments): Delete.
6842 (reorder_blocks): Don't call it.
6843 (reorder_blocks_1): Put all subblocks under the origin block.
6845 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6847 PR rtl-optimization/27907
6848 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6851 2006-07-25 Roger Sayle <roger@eyesopen.com>
6854 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6855 bar(x) check that bar's result type can represent all the values of T.
6857 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6859 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6861 2006-07-25 Nick Clifton <nickc@redhat.com>
6863 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6864 size_lookup[] array.
6865 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6866 (ggc_pch_count_object): Likewise.
6867 (ggc_pch_alloc_object): Likewise.
6868 (ggc_pch_write_object): Likewise.
6869 (init_ggc): Do not attempt to initialize entries in the
6870 size_lookup[] array for objects whose size is greater than than
6871 the length of the array.
6873 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6875 * dbxout.c (output_used_types_helper): Push queued types
6877 (output_types_sort): New.
6878 (output_used_types): Collect used types on a VEC and sort them
6881 2006-07-24 Richard Guenther <rguenther@suse.de>
6884 * cgraph.c (cgraph_remove_node): Do not check if dumps
6886 * cgraphunit.c (cgraph_optimize): Likewise.
6888 2006-07-24 Jan Hubicka <jh@suse.cz>
6890 PR rtl-optimization/28071
6891 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6892 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6893 splitting before first stmt.
6895 2006-07-24 Jan Hubicka <jh@suse.cz>
6897 PR rtl-optimization/28071
6898 * ipa-inline.c (update_caller_keys): Remove edges that
6899 are no longer inline candidates.
6901 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6904 * dbxout.c (output_used_types_helper, output_used_types): New.
6905 (dbxout_symbol): Call output_used_types.
6907 2006-07-23 Jan Hubicka <jh@suse.cz>
6911 * cgraph.c (cgraph_varpool_nodes): Export.
6912 (decide_is_variable_needed): Ignored "used" attribute in
6913 unit-at-a-time mode.
6914 * cgraph.h (cgraph_varpool_nodes): Declare.
6915 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6916 unit-at-a-time mode.
6918 2006-07-23 Roger Sayle <roger@eyesopen.com>
6921 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6922 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6923 the __gthrw form of thr_keycreate.
6924 (__gthread_key_delete): Silence the unused argument warning.
6926 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6929 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6930 Cache the last found '\0' marker to avoid quadratic behavior.
6932 2006-07-23 Jan Hubicka <jh@suse.cz>
6934 * i386.md (subsi_3_zext): Fix output template.
6936 2006-07-21 Mike Stump <mrs@apple.com>
6938 * doc/invoke.texi (C++ Dialect Options): Note that
6939 -fvisibility-inlines-hidden doesn't affect explicitly
6940 instantiationed inline methods.
6942 2006-07-20 Roger Sayle <roger@eyesopen.com>
6944 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6945 if the target assembler is GNU binutils' gas.
6946 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6947 whether to pass GNU gas or native as command line options.
6949 2006-07-20 Jason Merrill <jason@redhat.com>
6951 * tree.c (remove_attribute): New fn.
6952 * tree.h: Declare it.
6954 2006-07-20 Paul Brook <paul@codesourcery.com>
6957 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6958 they are invalidated by this instruction.
6960 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6963 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6965 2006-07-20 Eric Christopher <echristo@apple.com>
6968 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6970 2006-07-19 Eric Christopher <echristo@apple.com>
6972 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6973 Rewrite dependencies for libgcc_s.1.dylib.
6975 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6977 * except.c (duplicate_eh_regions_1): Clear next_peer.
6979 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6981 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6982 -mlongcall does not guarantee all calls will be long.
6983 * doc/extend.texi (long_call/short_call): Document that longcall
6984 does not guarantee a long call will be used.
6985 (longcall/shortcall): Likewise.
6987 2006-07-18 Roger Sayle <roger@eyesopen.com>
6990 * expmed.c (expand_shift): Additionally check that the shift_cost
6991 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6992 before implementing a LSHIFT_EXPR as a sequence of additions.
6993 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6994 middle-end that DImode shifts need to be synthesized by expand.
6996 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6999 * tree-ssa-operands.c (access_can_touch_variable): Update
7001 Return true if ALIAS is .GLOBAL_VAR.
7003 2006-07-18 David Daney <ddaney@avtrex.com>
7005 * gcc.c (display_help): Fix typo in help text.
7007 2006-07-18 Olivier Hainque <hainque@adacore.com>
7009 * tree.h (categorize_ctor_elements): Adjust prototype and add
7010 descriptive comment, both in accordance with the interface change
7012 * varasm.c (constructor_static_from_elts_p): New function.
7013 Whether a constructor node is a valid static constant initializer
7014 if all its elements are.
7015 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
7016 * output.h: Declare it.
7017 * expr.c (categorize_ctor_elements_1): Return whether the constructor
7018 is a valid constant initializer instead of computing the number of
7019 non-constant elements. Use constructor_static_from_elts_p for this
7020 purpose. Replace the head comment with an indication that this is a
7021 helper for categorize_ctor_elements.
7022 (categorize_ctor_elements): Same interface change as for the _1
7023 helper. Former head comment from this helper moved here, adjusted to
7024 account for the interface changes.
7025 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
7026 (all_zeros_p): Likewise.
7027 * gimplify.c (gimplify_init_constructor): Decide whether we can make
7028 static versions of the constructor from the categorize_ctor_elements
7029 return value instead of the formerly computed number of non-constant
7032 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
7034 * configure: Regenerate.
7035 * Makefile.in (build_libsubdir): New configure substitution
7036 (build_libobjdir): New variable.
7037 (BUILD_LIBIBERTY): Use it.
7039 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7042 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
7044 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
7047 * c-common.c (handle_weakref_attribute): Ignore attribute in
7048 the same conditions the alias attribute is ignored.
7050 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
7052 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
7053 (dbxout_begin_prologue): Increment scope_labelno.
7055 2006-07-17 Richard Henderson <rth@redhat.com>
7058 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
7061 2006-07-17 Roger Sayle <roger@eyesopen.com>
7062 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7064 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
7065 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
7066 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
7067 functions such as sbrk, write, etc.. Add function prototypes.
7068 Convert function declarations from K&R to ISO C. Cast pointers
7069 to "long" and "unsigned long" instead of "int" and "unsigned int".
7070 Convert tokens following #endif into comments.
7072 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
7074 * invoke.texi: Remove mention of f77; Reformat table for
7075 inline parameter options correctly; mention that -malign-double
7076 is default on x86-64 targets.
7078 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
7080 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
7081 (convert_affine_scev, chrec_convert_aggressive): Use
7082 avoid_arithmetics_in_type_p. Do not check for the subtypes
7085 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7088 * optabs.c (expand_doubleword_shift): Wrap the call to
7089 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
7091 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7094 * optabs.c (expand_binop): Pass next_methods rather than methods
7095 to expand_doubleword_shift.
7097 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
7100 * tree.h (dump_addr): Declare.
7101 * print-tree.c (dump_addr): New function.
7102 (print_node_brief, print_node): Use it.
7103 * print-rtl.c (print_rtx): Likewise.
7104 * common.opt (-fdump-noaddr): New option.
7105 * doc/invoke.texi (-fdump-noaddr): Document.
7106 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7107 (ve_info_hash): Likewise.
7109 2006-07-13 Andrew Haley <aph@redhat.com>
7111 PR tree-optimization/19505
7112 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7113 edge leaving this block, make sure that the destination of this
7114 block has only one predecessor.
7116 2006-07-17 Richard Guenther <rguenther@suse.de>
7118 PR tree-optimization/28238
7119 * tree-inline.c (copy_bb): Check if we produced valid
7120 gimple copying and substituting a stmt. If not, gimplify
7123 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7125 * optabs.c (maybe_encapsulate_block): New function extracted from...
7126 (emit_libcall_block): ...here. Invoke it on the block of insns to
7127 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7128 (emit_no_conflict_block): Likewise.
7130 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7132 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7134 2006-07-15 Roger Sayle <roger@eyesopen.com>
7136 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7137 a new NOP_EXPR case of the switch statement.
7139 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7142 * stor-layout.c (place_field): Take the bit field with
7143 an excessive size into account in the ms-bitfiled case.
7146 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7147 the previous bit field.
7149 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7152 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7154 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7156 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7157 signal frames correctly even when the signal was installed with
7160 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7162 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7163 (dbxout_function_end): Use local label LFBB. Remove hook
7165 (dbxout_source_line): Use local label LFBB.
7166 (dbxout_block): Likewise.
7167 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7168 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7169 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7170 and DBX_OUTPUT_NFUN.
7172 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7174 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7176 2006-07-13 Jan Hubicka <jh@suse.cz>
7178 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7180 * output.h (align_variable): Declare.
7181 * varasm.c (align_variable): Export.
7182 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7183 when basic block changed.
7185 2006-07-13 Nick Clifton <nickc@redhat.com>
7187 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7188 walking the LOG_LINKS chain.
7190 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7192 * doc/invoke.texi (C++ Dialect Options): Explain difference
7193 between -fvisibility-inlines-hidden and setting hidden
7194 visibility explicitly.
7196 2006-07-12 Eric Christopher <echristo@apple.com>
7198 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7199 (stmp-lipo): Depend on libgcc.a.
7201 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7203 * tree.c: Fix a comment typo.
7205 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7207 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7209 (umulhisi3_r): Likewise.
7211 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7214 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7215 x < 19, vs wchar_t support.
7217 2006-07-12 Nick Clifton <nickc@redhat.com>
7219 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7220 instead of -isa=sh4.
7222 2006-07-12 Mike Stump <mrs@apple.com>
7224 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7226 2006-07-10 Eric Christopher <echristo@apple.com>
7228 * config/t-slibgcc-darwin: Rewrite.
7230 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7233 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7236 2006-07-08 Matthias Klose <doko@debian.org>
7238 * doc/sourcebuild.texi: Fix typo.
7240 2006-07-07 Mike Stump <mrs@apple.com>
7242 * toplev.c (process_options): Don't give -ffunction-sections may
7243 affect debugging warning for Mach-O.
7245 2006-07-07 James E Wilson <wilson@specifix.com>
7247 * config/mips/mips.md (cpu): Add sb1a.
7248 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7249 addition to sb1. Adjust comments to clarify SB-1A differences from
7251 (ir_sb1a_load): New. Modify bypasses to use it.
7252 (ir_sb1a_simple_alu): Likewise.
7253 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7254 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7255 (mips_issue_rate): Add PROCESSOR_SB1A.
7256 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7257 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7258 (TARGET_SB1): Add PROCESSOR_SB1A check.
7259 (TUNE_SB1): Likewise.
7261 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7262 * config/mips/mips.c (mips_store_data_bypass_p): New.
7263 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7264 store_data_bypass_p.
7266 2006-07-08 Paul Brook <paul@codesourcery.com>
7269 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7271 2006-07-07 Richard Guenther <rguenther@suse.de>
7274 * tree.h (build_one_cst): Declare.
7275 * tree.c (build_one_cst): New function.
7276 * tree-ssa-math-opts.c (get_constant_one): Remove.
7277 (insert_reciprocals): Use build_one_cst.
7278 * fold-const.c (fold_plusminus_mult): Likewise.
7280 2006-07-07 Roger Sayle <roger@eyesopen.com>
7282 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7283 * cfgloopanal.c (dump_graph): Likewise.
7284 * dojump.c (discard_pending_stack_adjust): Likewise.
7285 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7287 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7288 * function.c (finalize_block_changes): Likewise.
7289 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7290 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7291 * rtl.c (dump_rtx_statistics): Likewise.
7292 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7294 * varray.c (dump_varray_statistics): Likewise.
7295 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7296 decode_decimal64, encode_decimal128, decode_decimal128,
7297 decimal_real_to_decimal): Likewise.
7299 2006-07-07 Richard Guenther <rguenther@suse.de>
7301 PR tree-optimization/28187
7302 * tree-vrp.c (vrp_operand_equal_p): New function.
7303 (vrp_bitmap_equal_p): Likewise.
7304 (update_value_range): Use them to compare old and new
7307 2006-07-06 Roger Sayle <roger@eyesopen.com>
7309 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7310 a default case to switch statement to silence compiler warnings.
7312 2006-07-06 Roger Sayle <roger@eyesopen.com>
7315 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7316 the configured assembler supports the x87's ffreep mnemonic.
7317 * configure: Regenerate.
7318 * config.in: Regenerate.
7320 * config/i386/i386.c (output_387_ffreep): New function.
7321 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7322 (output_387_reg_move): Likewise.
7324 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7326 Port to hosts whose 'sort' and 'tail' implementations
7327 treat operands with leading '+' as file names, as POSIX
7328 has required since 2001. However, make sure the code still
7329 works on pre-POSIX hosts.
7330 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7331 which says you should use "tail -c +N" rather than "tail +Nc".
7332 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7334 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7336 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7339 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7342 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7343 PRE_{INC,DEC} of TFmode.
7345 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7346 Alan Modra <amodra@bigpond.net.au>
7349 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7352 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7355 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7356 Remove duplicate gtu.
7358 2006-07-05 Jason Merrill <jason@redhat.com>
7362 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7363 * c-common.c (handle_packed_attribute): So don't copy it here.
7364 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7366 2006-07-05 Mike Stump <mrs@apple.com>
7368 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7370 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7373 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7375 2006-07-05 Richard Guenther <rguenther@suse.de>
7378 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7379 TARGET_SSE2 targets if using SSE math.
7380 (*absdf2_1): Likewise.
7382 2006-07-05 Richard Guenther <rguenther@suse.de>
7384 PR tree-optimization/28162
7385 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7386 make sure to convert the operands to the correct type.
7388 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7390 PR tree-optimization/28218
7392 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7393 to calculate and free the dominator information.
7395 2006-07-04 Peter O'Gorman <peter@pogma.com>
7397 * mklibgcc.in: chmod 644 before ranlib during install.
7399 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7400 J"orn Rennecke <joern.rennecke@st.com>
7402 * configure.ac (.eh_frame data check): Use diff -b.
7404 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7407 * Makefile.in (BUILD_RTL): Add build/vec.o.
7408 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7409 (build/genextract): Delete.
7410 (build/genautomata): Likewise.
7412 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7415 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7416 128-bit IBM long doubles for ABI_V4.
7418 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7420 * tree.c (range_in_array_bounds_p): New predicate.
7421 * tree.h (range_in_array_bounds_p): Declare it.
7422 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7423 return a less conservative answer.
7424 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7425 and flag 'is_group'.
7426 (IS_ELEMENT_FOR_GROUP): New macro.
7427 (FOR_EACH_ACTUAL_CHILD): Likewise.
7428 (next_child_for_group): New helper function.
7429 (can_completely_scalarize_p): Take into account groups.
7430 (sra_hash_tree): Handle RANGE_EXPR.
7431 (sra_elt_eq): Likewise.
7432 (lookup_element): Be prepared for handling groups.
7433 (is_valid_const_index): Delete.
7434 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7435 instead of is_valid_const_index.
7436 <ARRAY_RANGE_REF>: New case.
7437 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7438 is_valid_const_index.
7439 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7440 (scan_dump): Dump info for groups too.
7441 (decide_instantiation_1): Likewise.
7442 (decide_block_copy): Assert that the element is not a group.
7443 Propagate decision to groups.
7444 (generate_one_element_ref): Handle RANGE_EXPR.
7445 (mark_no_warning): Iterate over actual childs.
7446 (generate_copy_inout): Likewise.
7447 (generate_element_copy): Likewise.
7448 (generate_element_zero): Likewise.
7449 (generate_element_init_1): Likewise.
7450 (dump_sra_elt_name): Handle RANGE_EXPR.
7452 2006-07-03 Roger Sayle <roger@eyesopen.com>
7454 PR tree-optimization/26251
7455 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7456 (thread_block): When optimizing for size refuse to thread jumps
7457 that would require duplication of blocks other than redirection
7460 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7462 * configure.ac: Fix thinko in previous check-in.
7463 * configure: Regenerate.
7465 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7468 * configure.ac (for lang...): Simplify nesting of conditionals.
7469 Test subdir_requires for non-enabled languages. Move processing
7470 of lang_opt_files and lang_tree_fiels below that test.
7471 * configure: Regenerate.
7472 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7474 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7476 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7478 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7480 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7483 2006-06-29 Jason Merrill <jason@redhat.com>
7490 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7491 * c-common.c (c_determine_visibility): Handle it here.
7492 * c-decl.c (finish_decl): Call c_determine_visibility for
7494 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7496 * varasm.c (default_assemble_visibility): Likewise.
7497 * c-common.c (handle_visibility_attribute): Complain about trying
7498 to give visibility to an already defined class, or trying to change
7499 declared visibility. Always attach the attribute.
7504 * attribs.c (decl_attributes): Ignore type-in-place attributes
7505 once the type has been defined.
7507 2006-06-29 Roger Sayle <roger@eyesopen.com>
7510 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7511 to indicate the cpplib has issued an error message for us.
7513 2006-06-29 Asher Langton <langton2@llnl.gov>
7516 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7517 insert a label at the end of an function under Mach-O.
7519 2006-06-29 Eric Christopher <echristo@apple.com>
7520 Evan Cheng <evan.cheng@apple.com>
7522 * predicates.md (vector_all_ones_operand): New.
7523 (nonimmediate_or_sse_const_operand): Ditto.
7524 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7525 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7526 (standard_sse_mode_p): Ditto.
7527 (standard_sse_constant_p): Add case for -1 vector.
7528 (ix86_expand_vector_move): Try to use.
7529 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7530 Call standard_sse_constant_opcode.
7531 (*movv4sf_internal): Ditto.
7532 (*movv2df_internal): Ditto.
7534 2006-06-29 Roger Sayle <roger@eyesopen.com>
7536 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7537 of XEXP to extract the operands of a MATCH_CODE rtx.
7539 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7541 * tree.c (tree_size): Do not waste tail padding in
7542 struct tree_string and make the size be the same as
7543 build_string will generate.
7545 2006-06-28 Jason Merrill <jason@redhat.com>
7548 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7549 may_aliases already in the tag's annotations to the bitmap.
7551 2006-06-28 Roger Sayle <roger@eyesopen.com>
7553 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7555 2006-06-28 Roger Sayle <roger@eyesopen.com>
7557 * genpreds.c (generate_switch_p): New function.
7558 (add_mode_tests): Push the new mode test down inside an AND expr
7559 if this allows the switch-suitable MATCH_CODE to be near the root.
7560 (write_match_code_switch): New function to write a MATCH_CODE as
7562 (write_predicate_stmts): New function to write a predicate RTX
7563 expression as a sequence of statements.
7564 (write_one_predicate_function): Use write_predicate_stmts.
7565 (write_tm_constrs_h): Likewise.
7567 2006-06-26 Fred Fish <fnf@specifix.com>
7569 * config/mips/t-sb1: New file.
7570 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7573 2006-06-26 DJ Delorie <dj@redhat.com>
7575 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7577 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7578 Jayant Sonar <jayants@kpitcummins.com>
7579 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7581 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7582 (subsi3, subsi3_1, subsi3_2): New.
7583 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7584 * config/m32c/mov.md (SI mov peephole): New.
7585 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7586 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7588 2006-06-26 Olivier Hainque <hainque@adacore.com>
7590 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7591 a CALL_EXPR target function declaration.
7593 2006-06-26 Richard Guenther <rguenther@suse.de>
7595 * tree.c (build_string): Do not waste tail padding in
7598 2006-06-26 Richard Guenther <rguenther@suse.de>
7600 * ggc-page.c (init_ggc): Add missing element to size_lookup
7604 2006-06-23 Richard Guenther <rguenther@suse.de>
7606 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7607 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7608 alignment requests instead. Add verification code.
7609 Add struct tree_function_decl and struct tree_binfo size to
7610 extra_order_size_table. Add missing element to size_lookup
7613 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7616 * fold-const.c (const_binop): Be prepared for self returning zero.
7617 Simplify code handling complex values.
7619 2006-06-24 Olivier Hainque <hainque@adacore.com>
7621 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7622 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7625 2006-06-24 Olivier Hainque <hainque@adacore.com>
7627 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7628 ARRAY_REF, so have the callback called for the low bound expression.
7630 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7632 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7633 * c-typeck.c (c_common_type): Disallow operations on decimal float
7634 types and other float types.
7635 * convert.c (convert_to_real): Don't ignore conversions involving
7636 decimal float types.
7638 2006-06-23 Olivier Hainque <hainque@adacore.com>
7640 * tree.c (max_int_size_in_bytes): New function, inspired from
7641 code in function.c:assign_temp.
7642 * tree.h (max_int_size_in_bytes): Declare.
7643 * function.c (assign_temp): Use it.
7644 * gimplify.c (create_tmp_var): Relax the assertions on the type
7645 properties, not mandating constant size any more.
7646 (force_constant_size): New static function.
7647 (gimple_add_tmp_var): Use it, forcing variable size to a
7648 constant upper bound if it is not constant on entry.
7650 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7653 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7654 for initialization and setting of one_only flag to ...
7655 (i386_pe_encode_section_info): ...here.
7656 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7657 Recheck that the symbol has not been defined.
7659 2006-06-23 Richard Guenther <rguenther@suse.de>
7661 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7662 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7663 alignment requests instead. Add verification code.
7664 Add struct tree_function_decl and struct tree_binfo size to
7665 extra_order_size_table. Add missing element to size_lookup
7668 2006-06-22 Roger Sayle <roger@eyesopen.com>
7669 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7672 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7673 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7675 2006-06-23 Ben Elliston <bje@au.ibm.com>
7677 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7678 negate dn -- manipulate it directly.
7680 2006-06-22 Roger Sayle <roger@eyesopen.com>
7681 Steven Bosscher <stevenb.gcc@gmail.com>
7684 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7685 generated by gen_move_insn to add REG_LABEL notes if necessary.
7687 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7689 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7690 (leaf_entry): Remove use of MIN_ESA.
7692 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7694 PR rtl-optimization/28121
7695 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7698 2006-06-21 DJ Delorie <dj@redhat.com>
7700 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7702 (mulhisi3_r): Likewise.
7704 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7707 * coverage.c (coverage_counter_alloc): Leave the index type
7709 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7712 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7714 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7715 section from the "Options for Code Generation Conventions".
7717 2006-06-21 Richard Henderson <rth@redhat.com>
7721 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7723 (global_symbolic_operand): Allow weak symbols, even if local_p.
7725 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7727 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7728 (find_interesting_uses_address): Punt if above function returns true.
7730 2006-06-21 Richard Guenther <rguenther@suse.de>
7732 * configure: Regenerated.
7734 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7736 * config/mips/mips.c (function_arg): Where one part of a
7737 complex argument is in registers and the other part in the stack,
7738 return a REG not a PARALLEL.
7740 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7742 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7743 when cross-compiling. Do not substitute libstdcxx_incdir.
7744 * configure: Regenerated.
7746 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7748 * varasm.c (mergeable_string_section): Check for embedded NULs and
7749 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7750 rather than TREE_STRING_LENGTH bytes.
7752 2006-06-21 Richard Guenther <rguenther@suse.de>
7754 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7755 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7758 2006-06-21 Richrad Guenther <rguenther@suse.de>
7760 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7761 Limit iteration over the dominators.
7763 2006-06-20 Roger Sayle <roger@eyesopen.com>
7765 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7766 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7768 2006-06-20 Richard Guenther <rguenther@suse.de>
7769 Michael Matz <matz@suse.de>
7771 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7773 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7774 * et-forest.h (et_free_pools): Prototype new function.
7775 * et-forest.c (et_free_tree_force): Free parent occurrence.
7776 (et_free_pools): New function.
7777 * dominance.c (free_dominance_info): Free et-forest alloc
7780 2006-06-20 Roger Sayle <roger@eyesopen.com>
7782 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7783 integer modes, attempt to directly construct an integer constant.
7785 * fold-const.c (native_encode_vector): Determine the size of each
7786 element from the vector type instead of the first vector element.
7788 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7789 if all of its elements/components are constant.
7790 (build_constructor_from_list): Likewise.
7792 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7794 PR tree-optimization/27331
7795 * tree-data-ref.c (free_data_ref): New function.
7796 (create_data_ref): Fail if the data reference has unknown access
7798 (free_data_refs): Use free_data_ref.
7800 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7803 * tree-inline.c (setup_one_parameter): Strip useless
7804 type conversion before adding it to the IR.
7805 (declare_return_variable): Likewise.
7807 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7810 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7812 2006-06-19 Mike Stump <mrs@apple.com>
7814 * tree.c (variably_modified_type_p): VM arguments don't make the
7817 2006-06-19 Richard Guenther <rguenther@suse.de>
7819 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7820 type conversions after folding.
7822 2006-06-19 Richard Guenther <rguenther@suse.de>
7824 * ggc-page.c (extra_order_size_tab): Add entries with
7825 size of struct function and basic_block.
7826 (size_lookup): Extend to cover sizes up to 511.
7827 (ggc_alloc_stat): Adjust user.
7828 (ggc_pch_count_object): Likewise.
7829 (ggc_pch_alloc_object): Likewise.
7830 (ggc_pch_write_object): Likewise.
7832 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7834 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7835 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7838 2006-06-19 Denis Chertykov <denisc@overta.ru>
7840 * config/avr/libgcc.S : Correct my wrong previous commit.
7842 2006-06-19 Roger Sayle <roger@eyesopen.com>
7845 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7846 have stripped a SUBREG from the shift count, so we may need to
7847 convert_to_mode back to the type's mode before calling make_tree.
7848 Use new_amount instead of amount to avoid expanding a tree twice.
7850 2006-06-19 Richard Guenther <rguenther@suse.de>
7853 * fold-const.c (operand_equal_p): Check if the argument types
7854 have the same precision before stripping NOPs.
7856 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7858 Fix PR tree-optimization/27341
7859 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7861 * tree-complex.c (pass_lower_complex): Update SMT usage.
7863 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7865 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7866 Add a new alternative to the constraint strings. Add move of
7867 operand 1 to 3 to the splitter definition.
7868 ("doloop_si_long"): Second contraint alternative removed.
7870 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7872 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7873 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7875 (AVR_HAVE_MOVW) Define.
7876 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7877 (ASM_SPEC): Add avr25.
7878 (LINK_SPEC): Add avr25.
7879 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7880 (base_arch_s): Add new member 'have_movw_lpmx'.
7881 (avr_arch_types): Init 'have_movw_lpmx'.
7882 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7883 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7884 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7885 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7886 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7888 (avr_file_start): Do not output '.arh' derective.
7889 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7890 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7891 * config/avr/avr.md (mcu_enhanced): Delete.
7892 (mcu_have_movw): Define.
7893 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7894 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7895 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7896 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7897 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7898 attiny861 and at86rf401 devices.
7900 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7902 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7905 2006-06-17 Karl Berry <karl@gnu.org>
7907 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7908 doc/gccint.texi, doc/install.texi (@dircategory): Use
7909 "Software development" instead of "Programming", following
7910 the Free Software Directory.
7912 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7914 * config/i386/i386.c (legitimate_tls_address)
7915 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7916 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7917 (*tls_dynamic_gnu2_combine_64): Likewise.
7919 2006-06-16 Richard Guenther <rguenther@suse.de>
7922 * fold-const.c (negate_expr_p): Do not introduce undefined
7923 overflow in negating INTEGER_CSTs.
7924 (fold_negate_expr): Rename from negate_expr. Revert last
7925 change for folding BIT_NOT_EXPR. Change semantics to
7926 return NULL_TREE for non-simplified negations. Do not
7927 strip type conversions and unify type handling.
7928 (negate_expr): New function, wrap around fold_negate_expr
7929 but ensure building a tree always. Strip type conversions
7930 here, fold to result type.
7931 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7933 2006-06-16 Roger Sayle <roger@eyesopen.com>
7936 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7937 that (would) return their results in stack registers.
7939 2006-06-16 Michael Matz <matz@suse.de>
7940 Richard Guenther <rguenther@suse.de>
7942 * fold-const.c (fold_truthop): Only return new tree node if
7943 we canonicalized something.
7945 2006-06-16 Richard Guenther <rguenther@suse.de>
7947 * function.h (enum function_frequency): Move declaration
7948 out of struct function.
7949 (struct function): Move bool fields and the enum to the bitfield
7950 section. Reorder elements to avoid padding. Remove unused
7951 fields left over from the RTL inliner removal.
7952 * function.c (free_after_compilation): Do not zero removed fields.
7953 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7954 (ipa-type-escape.o): Likewise.
7956 2006-06-16 Richard Guenther <rguenther@suse.de>
7958 * cgraph.h (struct cgraph_local_info): Turn bool elements
7960 (struct cgraph_node): Likewise.
7961 (struct cgraph_varpool_node): Likewise.
7963 2006-06-15 Richard Guenther <rguenther@suse.de>
7965 * fold-const.c (fold_truth_not_expr): Rename from
7966 invert_truthvalue. Give it fold_* semantics to avoid
7968 (invert_truthvalue): New function. Wrapper around
7969 fold_truth_not_expr.
7970 (optimize_minmax_comparison): Avoid creating garbage.
7971 (fold_unary): Use fold_truth_not_expr for folding
7973 (fold_ternary): Replace uses of invert_truthvalue with
7974 fold_truth_not_expr where applicable.
7975 * tree.h (fold_truth_not_expr): Prototype.
7977 2006-06-16 Richard Guenther <rguenther@suse.de>
7979 PR tree-optimization/27781
7980 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7981 * ipa-pure-const.c (target.h): Include.
7982 (analyze_function): Do not analyze functions that do not
7985 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7988 * tree-dfa.c (referenced_vars_dup_list): Remove.
7989 (find_referenced_vars): Remove assert.
7990 (referenced_var_check_and_insert): Replace dup list with assert.
7991 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7992 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7994 2006-06-15 Richard Guenther <rguenther@suse.de>
7996 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7997 extra unused identifiers if not dumping.
7998 (create_variable_info_for): Likewise.
8000 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
8002 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
8003 (derive_constant_upper_bound): Derive more precise upper bound in
8004 common cases. Return type changed to double_int.
8005 (record_estimate): Reflect the changed return type of
8006 derive_constant_upper_bound.
8007 * double-int.c (double_int_zext, double_int_sext): Fix.
8009 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
8011 * configure.ac (CFLAGS): Get them from the toplevel or from the
8012 configure invocation.
8013 * configure: Regenerate.
8014 * Makefile.in (CFLAGS): Substitute value provided by configure.
8016 2006-06-14 Mark Mitchell <mark@codesourcery.com>
8019 * c-common.h (c_finish_omp_atomic): Adjust declaration.
8020 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
8021 rather than calling add_stmt on it.
8022 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
8024 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
8027 * reload1.c (reload): Remove registers returned by update_eliminables
8028 from used_spill_regs.
8030 2006-06-13 DJ Delorie <dj@redhat.com>
8032 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
8034 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
8036 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
8037 html__strip_dir, html__mkdir_p. Enhance install-html target.
8038 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
8039 * configure: Regenerate.
8041 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
8043 * fold-const.c (fold_cond_expr_with_comparison): Check for
8044 Objective-C++ as language in deciding COND_EXPR transformation.
8046 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
8049 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
8050 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
8051 * config/sh/lib1funcs.h (SL, SL1): Define.
8052 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
8053 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
8054 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
8055 (OBJS_Os_4_200): New variable.
8056 ($(T)libgcc-Os-4-200.a): Use it.
8057 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
8058 when dividing 1 and/or by 0.
8060 2006-06-13 Roger Sayle <roger@eyesopen.com>
8062 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
8063 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
8064 * configure: Regenerate.
8066 2006-06-13 Jie Zhang <jie.zhang@analog.com>
8068 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
8069 for real instruction.
8071 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8074 * haifa-sched.c (check_cfg): Handle special case.
8076 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
8079 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
8080 Add debug_info parameter. Chain the vars to the BLOCK instead
8081 of the BIND_EXPR if debug info are requested for them.
8082 (pop_gimplify_context): Adjust for above change.
8083 (gimple_add_tmp_var): Likewise.
8084 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
8086 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
8087 (convert_local_reference): Likewise.
8088 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
8089 (finalize_nesting_tree_1): Request that debug info be emitted
8090 for debug_var_chain.
8092 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8094 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
8095 for PR target/27863.
8097 2006-06-13 Richard Guenther <rguenther@suse.de>
8100 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
8102 2006-06-13 Richard Guenther <rguenther@suse.de>
8104 PR tree-optimization/27830
8105 * tree-inline.c (copy_body_r): For copying the operand
8106 of an ADDR_EXPR make sure to fold &* afterwards.
8108 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8110 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8111 lvalues in the fb_none case with side-effects.
8113 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8115 * tree-flow.h: Remove the prototype for
8116 compute_phi_arg_on_exit.
8117 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8118 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8121 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8123 * builtins.c (expand_builtin_return_addr): Only use
8124 frame_pointer_rtx when count == 0 and we are expanding
8125 __builtin_return_address.
8127 2006-06-12 Fred Fish <fnf@specifix.com>
8129 * config/mips/mips.c (mips_file_start): Create special section
8130 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8132 2006-06-11 Eric Christopher <echristo@apple.com>
8135 * stor-layout.c (place_field): Remove check for
8136 remaining_in_alignment when aligning at the end of a run.
8138 2006-06-11 Eric Christopher <echristo@apple.com>
8141 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8144 2006-06-11 Roger Sayle <roger@eyesopen.com>
8147 Revert incorrect fix for PR target/27158
8148 2006-05-08 Roger Sayle <roger@eyesopen.com>
8149 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8150 of a reg_equiv_constant if the result is a legitimate constant.
8152 2006-06-11 Roger Sayle <roger@eyesopen.com>
8155 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8156 extract a CONST_VECTOR element and interpret it as an integer.
8157 (vspltis_constant): Use const_vector_elt_as_int instead of the
8158 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8159 * config/rs6000/predicates.md (easy_vector_const): Consider
8160 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8162 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8165 * stor-layout.c (update_alignment_for_field): Don't add extra
8166 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8169 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8171 * config/mips/t-rtems: Add EL/EB multilib variants.
8173 2006-06-09 Mike Stump <mrs@apple.com>
8175 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8177 2006-06-09 David Daney <ddaney@avtrex.com>
8179 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8181 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8183 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8185 2006-06-09 Richard Guenther <rguenther@suse.de>
8187 PR tree-optimization/26998
8188 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8189 of signed types, only TYPE_MIN_VALUE is special, but for both,
8190 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8191 in this case, as is -fwrapv.
8193 2006-06-08 Mike Stump <mrs@apple.com>
8196 * config/darwin.c (darwin_asm_output_anchor): Disable
8197 -fsection-anchors on darwin for now.
8198 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8199 * rs6000/rs6000.c (optimization_options): Likewise.
8201 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8204 * config/i386/i386.c (classify_argument): Skip fields with invalid
8207 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8209 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8210 (cse_insn): Likewise for the stack_pointer_rtx.
8212 2006-06-08 Roger Sayle <roger@eyesopen.com>
8214 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8215 conditions from floating point comparisons.
8217 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8220 * expmed.c (struct alg_hash_entry): Fix type of field T
8221 to match synth_mult argument.
8222 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8224 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8227 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8230 2006-06-08 Richard Guenther <rguenther@suse.de>
8233 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8234 only, if overflow is defined and not trapping.
8235 (negate_expr): Likewise.
8237 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8239 PR tree-optimization/27872
8240 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8241 flag on the new exit edge of the unrolled loop.
8243 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8245 PR rtl-optimization/26449
8246 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8248 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8251 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8252 referenced_variables with matching DECL_UID's.
8253 (find_referenced_vars): Make sure duplicate list is empty to start.
8254 (referenced_var_p): Remove.
8255 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8256 Check if var is in the list, and add if needed. Update the duplicate
8257 list if a different var is in the list with the same DECL_UID.
8258 (add_referenced_var): Call routine to check and insert.
8259 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8260 * tree-flow.h (referenced_vars_dup_list): External declaration.
8262 2006-06-07 Fred Fish <fnf@specifix.com>
8264 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8267 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8270 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8271 the imaginary and real parts of a clobbered register.
8272 Emit insn to set the imaginary part.
8274 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8276 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8277 in lieu of unwind-dw2-fde.c.
8279 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8281 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8283 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8286 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8287 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8288 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8289 V4SImode temporaries and operations instead.
8291 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8293 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8296 2006-06-06 Mike Stump <mrs@apple.com>
8298 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8299 installing during build.
8301 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8303 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8305 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8306 * config/ia64/ia64.c (params.h): New header.
8307 (ia64_optimization_options): New function to adjust parameters.
8308 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8309 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8310 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8312 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8314 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8316 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8319 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8321 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8322 Victor Kaplansky <victork@il.ibm.com>
8324 PR tree-optimization/26360
8325 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8328 2006-06-04 Roger Sayle <roger@eyesopen.com>
8329 Andrew Pinski <pinskia@physics.uc.edu>
8332 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8333 for LABEL_DECL before calling DECL_WEAK.
8336 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8337 LABEL_DECL and PARM_DECL.
8339 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8343 * c-decl.c (grokdeclarator): Disallow variably modified types at
8344 file scope. Avoid marking shared array type of constant size as
8347 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8350 * c-common.c (fold_offsetof_1): Handle static members.
8352 2006-06-04 Eric Christopher <echristo@apple.com>
8354 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8355 (debug_rli): Output value for remaining_in_alignment.
8356 (update_alignment_for_field): Unconditionalize
8357 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8358 extra alignment code.
8359 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8360 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8361 * tree.h (record_layout_info_s): Remove prev_packed.
8362 * doc/extend.texi (ms_struct): Add documentation of format.
8364 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8366 * tree.h: Declare folding_initializer.
8367 * builtins.c (fold_builtin_constant_p): Give definite answer
8368 if folding inside an initializer.
8369 * fold-const.c: Define folding_initializer.
8370 (START_FOLD_INIT): Save and then set folding_initializer.
8371 (END_FOLD_INIT): Restore folding_initializer.
8373 2006-06-04 Richard Guenther <rguenther@suse.de>
8375 PR tree-optimization/27039
8376 * fold-const.c (fold_comparison): Handle pointer comparison
8377 again for all comparison codes. Compare offsets in signed
8379 (fold_binary): Move code from here.
8381 2006-06-03 Roger Sayle <roger@eyesopen.com>
8384 * config/i386/i386.c (construct_container): Split static issued_error
8385 flag into issued_sse_arg_error, issued_sse_ret_error and
8386 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8387 requires the use of x87 registers and the user explicitly
8388 specified the -mno-80387 command line option.
8390 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8392 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8393 HAVE_DECL_SIGALTSTACK.
8395 (segv_handler): Use MC_FLD.
8396 * configure.ac: Check for a sigaltstack declaration.
8397 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8398 * configure: Regenerate.
8399 * config.in: Regenerate.
8401 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8404 * Makefile.in (stmp-fixinc): Fix typo.
8406 2006-06-02 Roger Sayle <roger@eyesopen.com>
8408 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8409 are type correct. Clean-up.
8410 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8411 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8413 2006-06-01 DJ Delorie <dj@redhat.com>
8415 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8416 shift, as we've disabled the "switch" insn that needs it.
8418 2006-06-01 Per Bothner <bothner@bothner.com>
8420 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8421 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8422 * c-ppoutput.c (cb_define): Don't increment line 0.
8424 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8426 * doc/invoke.texi: Add cpu_type power6.
8427 * config.gcc: Add cpu_type power6.
8428 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8429 to power5+ with Altivec.
8430 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8431 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8433 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8435 * config/avr/avr.h (SET_ASM_OP): Define.
8437 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8439 * config/bfin/bfin.c: Fix comment typos.
8441 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8444 * doc/install.texi: Document --enable-bootstrap and
8445 --disable-bootstrap.
8447 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8449 * doc/install.texi: Document that InfoZIP can replace jar.
8451 2006-05-31 Roger Sayle <roger@eyesopen.com>
8453 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8454 isn't available, directly generate the simpler x87 patterns without
8455 the (use (const_int 0)).
8456 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8457 implementation isn't available.
8458 (*negdf2_1): Likewise.
8459 (*negxf2_1): XF mode negation is always done using the x87.
8460 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8462 2006-05-31 Roger Sayle <roger@eyesopen.com>
8464 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8465 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8467 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8469 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8471 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8472 * config/bfin/bfin.c (basic-block.h): Include.
8473 (struct machine_function): New.
8474 (bfin_init_machine_status): New.
8475 (override_options): Initialize init_machine_status.
8476 (bfin_hardware_loop): New.
8477 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8478 (DEF_VEC_P (loop_info)): New.
8479 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8480 (struct loop_info): New.
8481 (loop_info): New typedef.
8482 (struct loop_work): New.
8483 (loop_work): New typedef.
8484 (DEF_VEC_O (loop_work)): New.
8485 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8486 (bfin_dump_loops): New.
8487 (bfin_bb_in_loop): New.
8488 (bfin_scan_loop): New.
8489 (bfin_optimize_loop): New.
8490 (bfin_reorg_loops): New.
8491 (bfin_reorg): Use bfin_reorg_loops.
8492 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8494 (I_REGNO_P): Simplify.
8495 (DP_REGNO_P, DPREG_P): New macros.
8496 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8497 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8498 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8499 Add LT_REGS, LC_REGS, LB_REGS.
8500 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8502 (REGNO_REG_CLASS): Deal with loop registers.
8503 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8505 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8506 New constants for loop registers.
8507 (UNSPEC_LSETUP_END): New.
8508 (seq_insns): New define_attr. Set it for appropriate insns.
8509 (movsi_insn): Add alternatives for move from/to
8510 loop count registers.
8511 (doloop_end): New define_expand.
8512 (loop_end): New define_insn.
8513 (define_split for bad doloop_end): New.
8514 (lsetup_with_autoinit): New define_insn.
8515 (lsetup_without_autoinit): New define_insn.
8516 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8517 * config/bfin/predicates.md (lc_register_operand): New.
8518 (lt_register_operand): New.
8519 (lb_register_operand): New.
8520 (nondp_register_operand): New.
8521 (nondp_reg_or_memory_operand): New.
8522 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8524 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8526 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8527 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8529 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8531 * Makefile.in (CATALOGS): Add po/ prefix.
8532 * configure: Regenerated.
8534 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8537 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8538 a shift operand before calling shift_op. Avoid redundant call of
8541 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8542 DJ Delorie <dj@redhat.com>
8544 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8545 we're inserting is a singlt-bit constant.
8547 2006-05-30 Roger Sayle <roger@eyesopen.com>
8549 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8550 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8552 2006-05-30 Roger Sayle <roger@eyesopen.com>
8554 PR tree-optimization/23452
8555 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8556 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8557 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8558 complex values and with -ffast-math for FP complex values.
8560 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8562 * c-common.h: Remove the prototype for yyparse.
8563 * rtl.h: Remove the prototype for init_loop.
8565 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8567 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8570 2006-05-30 Roger Sayle <roger@eyesopen.com>
8572 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8574 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8575 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8577 2006-05-30 Dirk Mueller <dmueller@suse.de>
8580 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8581 for CONSTANT_CLASS_P expresisons.
8583 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8586 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8588 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8590 PR tree-optimization/27779
8591 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8592 initial_condition instead of CHREC_LEFT.
8594 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8596 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8597 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8598 Make prototypes ISO C90.
8600 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8601 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8603 * see.c (see_analyze_one_def): Correct check.
8604 (see_get_extension_data): Check if extension is parallel.
8605 (see_get_extension_reg): Likewise.
8607 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8610 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8611 into register for (code == GTU).
8613 2006-05-29 Roger Sayle <roger@eyesopen.com>
8615 PR tree-optimization/24964
8616 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8617 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8618 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8619 abs(x)*abs(x) as x*x for scalar floating point modes.
8621 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8624 * lambda-code.c (perfect_nestify): Don't copy statements
8625 in the inner loop: move them to the inner loop header.
8627 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8630 * c-tree.texi: Document OpenMP directives and clauses.
8632 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8634 * varasm.c (globalize_decl): Fix indentation.
8636 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8639 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8640 pass_fre, pass_store_ccp, pass_copy_prop,
8641 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8642 pass_return_slot, pass_object_size, pass_lim,
8643 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8644 pass_loop_prefetch and pass_stdarg.
8646 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8648 * config/bfin/bfin.opt (mfdpic): New option.
8649 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8650 (EXTRA_MULTILIB_PARTS): Likewise.
8651 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8652 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8654 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8655 (CRT_CALL_STATIC_FUNCTION): New.
8656 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8658 (CRT_CALL_STATIC_FUNCTION): New.
8659 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8661 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8662 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8663 (initialize_trampoline): Changed to handle FD-PIC code generation.
8664 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8665 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8666 (override_options): Disallow -mid-shared-library -mfdpic combination.
8667 Can't do unaligned ops if FD-PIC.
8668 Turn off flag_pic if trying to generate non-id-shared-library
8669 non-fdpic code, since it's not supported.
8670 (bfin_assemble_integer): New function.
8671 (TARGET_ASM_INTEGER): Define.
8672 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8674 * config/bfin/crtn.s: Restore them.
8675 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8677 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8678 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8679 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8680 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8681 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8683 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8684 FDPIC_REGS and FDPIC_FPTR_REGS.
8685 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8686 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8687 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8688 (load_funcdescsi): New pattern.
8689 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8690 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8691 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8693 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8695 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8698 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8700 * tree-flow.h: Remove the prototype for add_type_alias.
8701 * tree-ssa-alias.c (add_type_alias): Remove.
8703 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8705 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8706 config/fr30/fr30.md, config/i386/i386-interix.h,
8707 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8708 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8709 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8710 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8711 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8712 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8713 Follow spelling conventions.
8714 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8715 Follow spelling conventions.
8717 2006-05-27 Richard Guenther <rguenther@suse.de>
8720 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8721 to produce a constant of value 1 of generic type.
8723 2006-05-27 Dirk Mueller <dmueller@suse.de>
8725 * cgraphunit.c (decide_is_function_needed): Fix wrong
8728 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8730 PR rtl-optimization/27661
8731 * reload.c (find_reloads): When reloading a VOIDmode constant
8732 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8733 use Pmode as mode of the reload register.
8735 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8737 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8738 is enabled at -O and above.
8740 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8743 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8746 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8749 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8750 for anonymous variables explicitly declared by front ends.
8752 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8754 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8755 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8756 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8757 ref-all pointers, run a finalization pass for them.
8758 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8759 (finalize_ref_all_pointers): New function.
8760 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8761 regular pointer type to a ref-all pointer type.
8762 (get_tmt_for): Return the special memory tag for ref-all pointers.
8764 2006-05-25 Richard Guenther <rguenther@suse.de>
8767 * fold-const.c (fold_binary): Do not look at the stripped
8768 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8770 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8772 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8773 for LT and GT if the computed range is effectively empty.
8775 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8778 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8779 mips_quad_format formats instead of ieee_single_format,
8780 ieee_double_format and ieee_quad_format formats, respectively.
8782 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8784 PR tree-optimization/27639
8785 PR tree-optimization/26719
8786 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8787 call to scev_probably_wraps_p.
8788 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8789 used_in_pointer_arithmetic_p, convert_step): Removed.
8790 (nowrap_type_p): New function.
8791 (scev_probably_wraps_p): Rewritten.
8792 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8793 chrec_convert if chrec_convert_aggressive might have been used.
8794 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8795 scev_direction): New functions.
8796 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8797 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8798 instead of convert_step.
8799 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8800 (convert_step): Declaration removed.
8801 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8803 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8805 * df-core.c: Added to header comments.
8806 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8807 df_ur_bb_info, df_urec_bb_info): Added comments.
8808 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8809 urec, ri problems): Fixed header comments.
8810 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8811 code from df_rd_transfer_function.
8813 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8815 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8816 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8817 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8819 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8821 * expr.c (undefined_operand_subword_p): New.
8822 (emit_move_multi_word): Do not generate move from undefined bits
8823 of a paradoxical subreg.
8825 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8827 PR rtl-optimization/27736
8828 * combine.c (replaced_rhs_value): New variable.
8829 (combine_instructions): Set it.
8830 (distribute_notes): When distributing a note in replaced_rhs_insn,
8831 check whether the value was used in replaced_rhs_value.
8833 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8836 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8837 add_referenced_var instead of add_referenced_tmp_var.
8838 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8839 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8841 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8842 tree_optimize_tail_calls_1): Use add_referenced_var.
8843 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8844 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8845 Use add_referenced_var.
8846 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8847 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8848 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8849 Use add_referenced_var.
8850 * tree-dfa.c (struct walk_state): Remove.
8851 (find_referenced_vars): Remove walk state and vars_found hash table.
8852 (make_rename_temp): Use add_referenced_var.
8853 (find_vars_r): Pass less parameters to add_referenced_var.
8854 (referenced_var_p): New. Is var in referenced_var hash table.
8855 (referenced_var_insert): Assert var isn't already in hash table.
8856 (add_referenced_var): Don't need walk_state parameter. Add var if it
8857 isn't already in the hash table.
8858 (add_referenced_tmp_var): Remove.
8859 (find_new_referenced_vars_1): Use add_referenced_var.
8860 * tree-ssa-pre.c (create_expression_by_pieces,
8861 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8862 Use add_referenced_var.
8863 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8864 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8865 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8867 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8868 vect_create_data_ref_ptr, vect_create_destination_var,
8869 vect_init_vector, vect_build_loop_niters,
8870 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8871 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8872 Use add_referenced_var.
8873 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8874 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8875 (add_referenced_var): Add prototype.
8876 * tree-ssa-structalias.c (get_constraint_for,
8877 intra_create_variable_infos): Use add_referenced_var.
8879 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8881 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8882 big-endian paradoxical subregs.
8883 * var-tracking.c (struct micro_operation_def): Document that,
8884 for modify micro operations, insn is the subsequent instruction.
8885 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8886 (var_reg_set, var_mem_set): ... new functions.
8887 (add_stores): Record subsequent insn.
8888 (compute_bb_dataflow): Use new functions for MO_USE.
8889 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8890 notes after the insn, and modify notes before the insn known
8891 to be the subsequent one.
8892 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8894 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8897 * config/i386/i386.c (ix86_expand_builtin): Use
8898 gen_sse3_monitor64 for TARGET_64BIT.
8900 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8902 PR rtl-optimization/26375
8903 PR rtl-optimization/26855
8904 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8906 (df_ru_bb_local_compute): Reversed statements and removed bogus
8907 comment explaining why they should be in wrong order.
8908 (df_ru_dump, df_rd_dump): Enhanced debug info.
8909 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8911 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8912 reaching uses and fixed space problem.
8914 2006-05-23 Jan Hubicka <jh@suse.cz>
8916 * cgraphunit.c (decide_is_function_needed): Also nested functions
8917 and functions declared inline can be optimized out at -O0.
8919 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8921 * doc/install.texi (Configuration): Remove reference to CrossGCC
8925 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8928 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8929 ix86_compare_emitted is non-NULL.
8931 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8934 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8937 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8939 PR rtl-optimization/25514
8940 * combine.c (replaced_rhs_insn): New variable.
8941 (combine_instructions): Set replaced_rhs_insn when trying to replace
8942 a SET_SRC with a REG_EQUAL note.
8943 (distribute_notes): Use replaced_rhs_insn when determining the live
8944 range of a REG_DEAD register.
8946 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8947 Anatoly Sokolov <aesok@post.ru>
8949 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8950 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8951 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8952 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8953 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8954 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8955 at90usb647, at90usb1286 and at90usb1287 devices.
8956 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8957 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8959 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8961 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8963 2006-05-22 Richard Guenther <rguenther@suse.de>
8966 2006-01-31 Richard Guenther <rguenther@suse.de>
8967 Paolo Bonzini <bonzini@gnu.org>
8969 * doc/install.texi (--disable-libgcc-math): Document.
8971 2006-05-22 Richard Guenther <rguenther@suse.de>
8974 2006-01-31 Richard Guenther <rguenther@suse.de>
8976 * doc/invoke.texi (-msselibm): Document.
8977 * target.h (expand_library_builtin): New target hook.
8978 * builtins.c (expand_builtin): Use expand_library_builtin.
8979 (default_expand_library_builtin): New function.
8980 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8981 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8982 (link_gcc_math_spec): Declare.
8983 (static_specs): Add link_gcc_math_spec.
8984 * expr.h (default_expand_library_builtin): Declare.
8985 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8986 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8987 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8988 * config/i386/i386.opt (msselibm): New target option.
8989 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8990 (ix86_init_sse_abi_builtins): New function.
8991 (ix86_expand_library_builtin): Likewise.
8992 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8993 (override_options): Handle error conditions wrt -msselibm.
8994 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8995 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8996 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8999 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9002 * c-common.c (self_promoting_args_p): Skip erroneous args.
9005 * c-decl.c (finish_struct): Skip erroneous fields.
9007 2006-05-22 Nick Clifton <nickc@redhat.com>
9009 * config/cris/cris.opt (march): Remove VarExists attribute.
9010 (max-stackframe=): Likewise.
9012 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9014 * doc/rtl.texi: Fix a typo.
9015 * see.c: Fix comment typos.
9017 * tree-ssa-structalias.h (alias_info): Remove num_references.
9019 2006-05-21 Mike Stump <mrs@apple.com>
9021 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
9023 (darwin_pragma_options): Use BAD instead.
9024 (darwin_pragma_unused): Likewise.
9025 (darwin_pragma_ms_struct): Likewise.
9027 2006-05-21 David Edelsohn <edelsohn@gnu.org>
9029 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
9031 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
9033 PR rtl-optimization/27671
9034 * simplify-rtx.c (simplify_relational_operation_1): Fix
9035 simplifications of (eq/ne (xor x y) y) and
9036 (eq/ne (xor x y) x).
9038 PR tree-optimization/26622.
9039 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
9042 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9044 * tree-cfg.c: Prune whitespace.
9045 (debug_tree_cfg): Point to correct header containing the
9048 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9051 * cgraphunit.c (verify_cgraph_node): Typo in error message.
9053 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
9056 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
9057 or sorry count is non zero.
9059 2006-05-20 Andreas Schwab <schwab@suse.de>
9061 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
9063 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
9064 Kenneth Zadeck <zadeck@naturalbridge.com>
9066 PR rtl-optimization/26855
9068 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
9070 (df_scan_alloc): Added code to properly handle multiword hard
9071 registers and add all_blocks parameter.
9072 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
9073 code to properly handle multiword hard registers.
9074 (df_rescan_blocks): Added code to remove deleted blocks from
9076 (df_ref_create_structure, df_ref_record): Added code to properly
9078 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
9079 and set DF_REF_PARTIAL.
9080 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
9081 (df_uses_record): Added DF_REF_PARTIAL for subreg.
9082 (df_scan_add_problem): Added flags parameter.
9083 (df_ref_create_structure): Changed switching structure.
9084 (df_bb_refs_record): Fixed case where duplicate artificial refs
9085 were created. Changed location of flags.
9086 (df_record_entry_block_defs): Added code to make stack pointer
9087 live in entry block. Refined cases where frame pointer is needed.
9088 Changed location of flags.
9089 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
9090 (df_set_state): Removed function.
9091 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
9092 df_insn_create_insn_record, df_insn_refs_delete,
9093 df_ref_create_structure): Formatting changes.
9094 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
9095 df_delete_basic_block): New function.
9096 (df_init): Changed location of flags.
9097 (df_add_problem): Added flags parameter and the way flags are
9099 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
9100 debug_df_chain): Improved debugging output.
9101 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
9102 (df_refs_chain_dump): Removed df parameter.
9103 (df_iterative_dataflow): Added consistency check.
9104 (df_prune_to_subcfg): Made public.
9105 (df_analyze_problem): Added blocks_to_init parameter and made
9107 (df_ref_record, df_bb_refs_record, df_mark_reg,
9108 df_record_exit_block_uses): Whitespace changes.
9109 (df_dump): Whitespace changes.
9110 * df.h: Some reordering to remove forward references.
9111 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9112 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9113 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9114 (dataflow.flags): New field.
9115 (df.flag): Deleted field.
9116 (df_alloc_function): Added additional bitmap parameter.
9117 (df_dependent_problem_function): New type.
9118 (df_problem.changeable_flags): New field.
9119 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9120 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9121 (df_mw_hardreg): New struct.
9122 (DF_INSN_UID_MWS): New macro.
9123 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9125 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9126 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9127 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9128 (df_set_state): Removed function.
9129 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9130 * df-problems.c (df_chain_dump): Removed df parameter.
9131 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9132 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9134 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9135 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9136 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9137 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9138 DF_REF_MUST_CLOBBER cases.
9139 (df_ru_bb_local_compute_process_def,
9140 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9141 df_lr_bb_local_compute, df_ur_bb_local_compute,
9142 df_chain_create_bb): Made subreg aware.
9143 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9144 df_lr_bb_local_compute, df_lr_bb_local_compute,
9145 df_chain_create_bb): Cleanup to use proper macros.
9146 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9147 code to fixup bitvectors.
9148 (df_ri_alloc): Cleared lifetime.
9149 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9150 df_create_unused_note): New function.
9151 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9152 REG_DEAD and REG_UNUSED notes as well as register information.
9153 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9154 df_chains_dump): Fixed crash if problem was never run.
9155 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9156 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9157 df_ri_add_problem): Processes flags in uniform manner.
9158 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9159 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9160 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9161 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9162 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9163 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9164 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9165 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9166 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9167 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9168 * see.c (see_initialize_data): Ditto.
9169 * final.c (rest_of_clean_state) Added regstack_completed.
9170 * rtl.h (regstack_completed): Ditto.
9171 * reg-stack.c (regstack_completed): Ditto.
9173 2006-05-19 Mike Stump <mrs@apple.com>
9175 * c-tree.h (default_conversion): Remove.
9176 * c-common.h (default_conversion): Add.
9178 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9180 * tree-vrp.c (valid_value_p): New function.
9181 (adjust_range_with_scev): Fail if the value of bound is not
9184 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9186 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9187 (mips_fallback_frame_state): Use syscall numbers to determine
9188 the appropriate li instruction for the current ABI. Only use
9189 __NR_sigreturn for o32.
9191 2006-05-19 Nicolas Setton <setton@adacore.com>
9193 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9194 * langhooks.c (lhd_dwarf_name): New function.
9195 * langhooks-def.h (lhd_dwarf_name): Declare.
9196 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9197 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9199 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9201 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9203 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9204 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9205 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9206 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9207 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9208 determine the size of Wtype, etc.
9209 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9210 (swfloatfuncs): New variable.
9211 (dwfloatfuncs): Likewise.
9212 (lib2funcs): Remove floating-point conversion functions from
9213 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9214 the set of conversion routines needed. Allow entries to specify
9215 an object name, filename and word size. Update users accordingly.
9216 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9217 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9221 2006-02-08 Roger Sayle <roger@eyesopen.com>
9224 * config/fixtfdi.c: New libgcc source file.
9225 * config/fixunstfdi.c: New source file.
9226 * config/floatditf.c: New source file.
9227 * config/floatunditf.c: New souce file.
9228 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9229 files above instead of config/mips/_tilib.c.
9230 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9232 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9234 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9235 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9237 2006-05-18 Mike Stump <mrs@apple.com>
9239 Fix up vla, vm and [*] sematics.
9245 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9246 (c_vla_unspec_p): Add.
9247 (c_vla_type_p): Add.
9248 * c-decl.c (struct c_scope): Add had_vla_unspec.
9249 (build_array_declarator): Add support for [*].
9250 (grokdeclarator): Likewise.
9251 (grokparms): Likewise.
9252 (get_parm_info): Likewise.
9253 * c-objc-common.c (c_vla_unspec_p): Likewise.
9254 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9255 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9256 typeof when argument is a variably modified type not inside sizeof or alignof.
9257 (c_parser_direct_declarator_inner): Propagate errors.
9258 (c_parser_sizeof_expression): Add support for [*].
9259 (c_parser_parms_declarator): Initialize had_vla_unspec.
9260 (c_parser_parms_list_declarator): Likewise.
9261 * c-typeck.c (c_vla_type_p): Add.
9262 (composite_type): Add support for vla compositing.
9263 (comptypes_internal): Add support for vla compatibility.
9264 (c_expr_sizeof_expr): Evaluate vla arguments.
9265 * tree.c (variably_modified_type_p): Update comment for [*].
9267 2006-05-18 Michael Matz <matz@suse.de>
9270 * config.host: Make assignments to host_xmake_file cumulative.
9271 * config.host (*-darwin*): Test $host, not $target.
9273 2006-05-12 Stuart Hastings <stuart@apple.com>
9275 * config/i386/i386.opt (-mstackrealign): New flag.
9276 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9277 (ix86_handle_cconv_attribute): Emit error when
9278 force_align_arg_pointer attribute collides with too many regparms.
9279 (ix86_function_regparm): Limit regparms when used with
9280 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9281 Support stack-realigning prologue in non-main functions. Emit
9282 warning for nested functions under -mstackrealign, emit error for
9283 nested functions with force_align_arg_pointer attribute.
9284 * doc/extend.texi (force_align_arg_pointer): Document it.
9285 * doc/invoke.texi (-mstackrealign): Document it.
9287 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9289 PR rtl-optimization/27477
9290 * combine.c (try_combine): Don't split a parallel consisting
9291 of two sets into two individual sets if both sets reference
9294 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9296 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9297 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9299 * doc/options.texi (VarExists): Updated.
9301 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9303 * unwind-dw2.c: Add declarations for uw_update_context and
9305 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9306 detected, advance frame state and context once to skip over stub.
9308 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9312 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9313 Call rewrite_into_loop_closed_ssa only when something changed.
9314 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9315 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9316 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9317 Test for perfect_nest_p here. Fix formating.
9318 (replace_uses_equiv_to_x_with_y): Fix formating.
9319 (stmt_uses_op): Removed.
9320 (can_convert_to_perfect_nest): Removed loopivs parameter.
9321 Complete the test by checking the scalar dependences.
9322 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9325 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9328 From Dan Kegel <dank@kegel.com>:
9329 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9331 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9333 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9334 if the element type is variably modified without recursing.
9336 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9339 * tree-loop-linear.c (try_interchange_loops): Test for
9340 no data dependences.
9342 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9344 PR tree-optimization/27548
9345 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9346 range of ssa names that appear on abnormal edges.
9347 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9348 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9350 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9353 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9355 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9358 * tree.h (OMP_PARALLEL_COMBINED): Define.
9359 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9360 (new_omp_context): Add is_combined_parallel argument.
9361 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9362 new_omp_context caller.
9363 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9364 Adjust gimplify_scan_omp_clauses callers.
9365 (omp_is_private): Issue errors if iteration variable is firstprivate
9366 or reduction in the current context.
9367 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9368 on combined parallel workshare constructs.
9370 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9372 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9373 (gcc-options.o): New rule.
9375 * optc-gen.awk: Protect variables for gcc-options.o with
9376 #ifdef GCC_DRIVER/#endif.
9378 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9380 Fix PR tree-optimization/27373
9381 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9382 (forward_propagate_addr_expr): Update call.
9384 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9386 * doc/options.texi: Move the Negative option.
9388 2006-05-16 Richard Guenther <rguenther@suse.de>
9390 PR tree-optimization/22303
9391 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9393 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9394 ccp_fold did not simplify the statement.
9396 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9399 * Makefile.in (GCC_OBJS): New.
9400 (OBJS-common): Add opts-common.o.
9401 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9402 (cpp$(exeext)): Likewise.
9403 (gcc.o): Also depend on opts.h.
9404 (opts-common.o): New.
9406 * common.opt (gcoff): Add Negative(gdwarf-2).
9407 (gdwarf-2): Add Negative(gstabs).
9408 (gstabs): Add Negative(gstabs+).
9409 (gstabs+): Add Negative(gvms).
9410 (gvms): Add Negative(gxcoff).
9411 (gxcoff): Add Negative(gxcoff+).
9412 (gxcoff+): Add Negative(gcoff).
9413 * config/i386/i386.opt (m32): Add Negative(m64).
9414 (m64): Add Negative(m32).
9416 * doc/options.texi: Document the Negative option.
9418 * gcc.c: Include "opts.h".
9419 (main): Call prune_options after expandargv.
9421 * optc-gen.awk: Generate common declarations for all flag
9422 variables in options.c. Output the neg_index field.
9424 * opts.c (find_opt): Moved to ...
9425 * opts-common.c: Here. New file.
9427 * opts.h (cl_option): Add a neg_index field.
9429 (prune_options): Likewise.
9431 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9434 * omp-low.c (expand_omp_parallel): Don't assert
9435 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9436 instead search for it.
9439 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9442 2006-05-16 Andreas Schwab <schwab@suse.de>
9444 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9447 2006-05-15 Roger Sayle <roger@eyesopen.com>
9450 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9451 integer constants other than zero are only legitimate on TARGET_64BIT.
9452 <CONST_VECTOR> Only zero vectors are legitimate.
9453 (ix86_cannot_force_const_mem): Integral and vector constants can
9454 always be put in the constant pool.
9456 2006-05-16 DJ Delorie <dj@redhat.com>
9458 * crtstuff.c (__dso_handle): Set section from
9459 TARGET_LBIGCC_SDATA_SECTION if defined.
9460 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9461 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9463 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9466 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9469 2006-05-16 Ben Elliston <bje@au.ibm.com>
9471 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9473 2006-05-15 Per Bothner <per@bothner.com>
9475 * tree.c: (last_annotated_node): Use source_locus typedef.
9476 This permits bootstrapping with --enable-mapped-location.
9478 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9480 PR tree-optimization/26830
9481 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9482 (info_for_ssa_name, current_info_for_ssa_name_age,
9483 blocks_to_update): New variables.
9484 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9485 (clear_ssa_name_info, initialize_flags_in_bb,
9486 mark_block_for_update): New functions.
9487 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9488 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9489 prepare_def_site_for): Use mark_block_for_update.
9490 (mark_def_interesting): Assert that the processed block is marked in
9491 blocks_to_update. Do not take blocks argument.
9492 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9494 (rewrite_update_init_block, rewrite_update_stmt): Only process
9495 blocks with statements to rewrite.
9496 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9497 (update_ssa): Initialize and free blocks_to_update. Do not
9498 clear flags on statements. Do not use blocks bitmap.
9499 * tree.h (SSA_NAME_AUX): Removed.
9500 (struct tree_ssa_name): Removed aux field.
9501 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9503 2006-05-15 Richard Guenther <rguenther@suse.de>
9505 PR tree-optimization/27603
9506 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9507 Do computations in original type.
9509 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9511 * see.c: Code style changes such as redundant paranthesis,
9512 redundant intialization of local variables etc.
9513 (see_main): Declared now as static.
9514 * doc/invoke.texi: Update that -fsee is not enabled by
9517 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9519 * omp-low.c (check_omp_nesting_restrictions): New function.
9520 (scan_omp_1): Call it.
9523 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9524 construct, return *VAR.
9526 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9528 PR rtl-optimization/27406
9529 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9532 2006-05-14 Roger Sayle <roger@eyesopen.com>
9534 PR rtl-optimization/27538
9535 * combine.c (expand_compound_operation): Call gen_lowpart
9536 before calling simplify_shift_const.
9538 2006-05-14 Roger Sayle <roger@eyesopen.com>
9540 PR rtl-optimization/22563
9541 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9542 a fixed width bitfield, always force the intermediates into psuedos.
9544 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9547 * mkconfig.sh: Use operator = instead of == for test.
9549 2006-05-13 Nick Clifton <nickc@redhat.com>
9551 * dwarf2out.c (dbx_reg_number): Check return value from
9552 LEAF_REG_REMAP and only use it if it is valid.
9553 (multiple_reg_loc_descriptor): Likewise.
9555 2006-05-13 Richard Guenther <rguenther@suse.de>
9557 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9560 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9562 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9563 information attached to non-INSNs such as NOTEs.
9564 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9566 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9568 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9570 * config/s390/s390.md: Adjust comment describing On constraint.
9572 2006-05-11 Jan Hubicka <jh@suse.cz>
9574 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9575 to be output at -O0.
9577 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9580 * fold-const.c (size_binop): Move sanity check for arguments to
9581 the beginning of the function.
9584 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9587 2006-05-11 Richard Guenther <rguenther@suse.de>
9590 * fold-const.c (fold_unary): Handle intermediate conversion
9591 to a pointer type like intermediate conversion to an integer
9592 type in folding of (T1)(T2)var to var.
9593 Match the code to the comment in the final conversion for
9594 (T1)(T2)var to (T1)var regarding to type precision. Rather
9595 than disallow T1 being of pointer type, assert that both T1
9596 and var are of pointer type or not. Make sure not to fall
9597 over the frontends lazyness wrt array to pointer decay though.
9599 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9601 * arm.c (arm_struct_value_rtx): Delete.
9602 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9603 (arm_init_cumulative_args): Always initialize nregs to zero.
9605 2006-05-10 Richard Guenther <rguenther@suse.de>
9607 PR tree-optimization/27532
9608 * tree-object-size.c (plus_expr_object_size): Fix typo.
9610 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9613 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9614 ashrdi_const, ashrdi3): Use a scratch register.
9616 2006-05-10 Richard Guenther <rguenther@suse.de>
9618 PR tree-optimization/27302
9619 * fold-const.c (operand_equal_p): For two comparisons,
9620 try comparison of one comparison code swapped if that yields
9623 2006-05-10 Ben Elliston <bje@au.ibm.com>
9625 * tree-pretty-print.c (pretty_print_string): No need to handle
9626 '\0' as a special character.
9628 * tree.h: Include "hashtab.h".
9629 (iterative_hash_expr): Use hashval_t in its prototype.
9630 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9632 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9635 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9636 (hppa*64*-*-hpux11*): Ditto.
9637 (hppa[12]*-*-hpux11*): Ditto.
9639 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9642 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9644 2006-05-09 Michael Matz <matz@suse.de>
9646 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9647 host_extra_gcc_objs and host_xmake_file.
9648 (<*-*-linux*>): Don't overwrite host_xmake_file.
9649 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9650 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9651 (host_detect_local_cpu): Declare.
9652 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9653 * config/i386/i386.c (override_options): Handle -mtune=native
9655 * config/i386/x-i386: New file.
9656 * config/i386/driver-i386.c: New file.
9657 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9660 2006-05-09 Dirk Mueller <dmueller@suse.de>
9661 Richard Guenther <rguenther@suse.de>
9664 * fold-const.c (fold_read_from_constant_string): Relax check
9665 for matching types to matching modes.
9667 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9669 PR rtl-optimization/27335
9670 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9673 2006-05-08 Chao-ying Fu <fu@mips.com>
9674 Richard Sandiford <richard@codesourcery.com>
9676 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9677 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9678 * config/mips/mips.md (UNSPEC_SCC): New constant.
9679 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9680 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9681 (mips_emit_compare): Use it.
9682 (mips_expand_vcondv2sf): New function.
9684 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9686 Fix PR tree-optimization/27093
9687 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9688 renaming when they become not-used_alone.
9690 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9692 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9693 relocation and relocation stubs.
9695 2006-05-08 Eric Christopher <echristo@apple.com>
9697 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9700 2006-05-08 Jan Hubicka <jh@suse.cz>
9703 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9704 unused static functions are needed.
9706 2006-05-08 Roger Sayle <roger@eyesopen.com>
9709 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9710 of a reg_equiv_constant if the result is a legitimate constant.
9712 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9715 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9716 standard 80387 constants, raise the cost to prevent
9717 compress_float_constant() to generate load from memory.
9719 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9721 * config/arm/constraints.md (c): Fix a typo.
9723 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9726 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9729 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9731 (_mm_mwait): Likewise.
9733 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9735 (sse3_monitor): Make it 32bit only.
9736 (sse3_monitor64): New. 64bit monitor.
9738 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9741 * config/i386/i386.c (classify_argument): Skip fields with invalid
9744 2006-05-07 Richard Guenther <rguenther@suse.de>
9746 PR tree-optimization/27409
9747 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9748 Do not try to find zero-sized subvars.
9750 2006-05-07 Richard Guenther <rguenther@suse.de>
9752 PR tree-optimization/27136
9753 * tree-ssa-loop-niter.c (get_val_for): Correct function
9754 comment, assert requirements.
9755 (loop_niter_by_eval): Stop processing if the iterated
9756 value did not simplify.
9758 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9760 * opts.c (flag_see): remove its setting at -O3.
9762 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9764 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9765 * arm/constraints.md: New file.
9766 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9767 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9768 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9769 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9770 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9771 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9772 * arm.md: Include constraints.md.
9773 (thumb_movsi_insn): Use satisfies_constraint_J.
9774 (movhi, movqi): Use satisfies_constraint_I.
9776 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9778 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9779 for atmeg a645 device.
9781 2006-05-06 Richard Guenther <rguenther@suse.de>
9783 PR tree-optimization/27151
9784 * tree-vect-transform.c (vectorizable_condition): Punt on
9785 values that have a different type than the condition.
9787 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9790 * c-parser.c (c_parser_cast_expression): Only insert casts into
9791 hash table if pointer.
9792 * function.c (used_types_insert_helper): Rename from
9794 (used_types_insert): Call used_types_insert_helper.
9795 * function.h (used_types_insert): Accept only one argument.
9797 2006-05-05 David Edelsohn <edesohn@gnu.org>
9799 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9800 scratch with output modifier.
9802 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9805 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9806 with output modifier.
9808 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9811 * config/mips/mips.c (mips_symbolic_address_p): Return true
9812 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9813 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9815 2006-05-04 Richard Guenther <rguenther@suse.de>
9817 PR tree-optimization/14287
9818 PR tree-optimization/14844
9819 PR tree-optimization/19792
9820 PR tree-optimization/21608
9821 PR tree-optimization/27090
9822 * tree-ssa-pre.c (try_combine_conversion): New function.
9823 (compute_avail): After constructing the value-handle
9824 expression, use try_combine_conversion to combine NOP_EXPRs
9825 with previous value-handle expressions and use the result if it
9828 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9830 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9832 2006-05-04 Jan Hubicka <jh@suse.cz>
9835 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9837 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9839 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9840 that this only matches CONST_INTs. All users changed to VOIDmode
9843 * config/bfin/bfin.c: Include "optabs.h".
9844 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9846 (enum bfin_builtins): Add a number of fractional and vector builtins.
9847 (bfin_init_builtins): Likewise.
9848 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9849 (safe_vector_operand, bfin_expand_binop_builtin,
9850 bfin_expand_unop_builtin): New functions.
9851 (bfin_expand_builtin): Handle the new builtins.
9852 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9855 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9858 * Makefile.in (OBJS-common): Add see.o.
9859 (see.o): Add dependencies.
9860 * common.opt (fsee): New flag for the see optimization was added.
9861 * opts.c (flag_see): Initialized.
9862 * passes.c (init_optimization_passes, pass_see): New pass.
9863 * rtl.h (see_main): Declaration as extern.
9864 * timevar.def (TV_SEE): New.
9865 * tree-pass.h (pass_see): Declaration as extern.
9866 * invoke.texi (-fsee): Document.
9867 * recog.c (validate_simplify_insn): New function.
9868 * recog.h (validate_simplify_insn): Declaration as extern.
9869 * df-problems.c (df_chain_dump): Check for NULL.
9871 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9872 Daniel Berlin <dberlin@dberlin.org>
9874 * cfgrtl.c (insert_insn_bb_end_new): New function.
9875 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9877 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9879 * df.h (struct web_entry): Moved from web.c.
9880 (union_defs): Declaration as extern.
9881 (unionfind_root): Likewise.
9882 (unionfind_union): Likewise.
9883 * web.c (struct web_entry): Moved to df.h.
9884 (unionfind_root): Remove static declaration.
9885 (unionfind_union): Likewise.
9886 (union_defs): Likewise and generalize to use callback function.
9887 (web_main): Update arguments for union_defs function call.
9889 2006-05-04 Richard Guenther <rguenther@suse.de>
9891 PR tree-optimization/26447
9892 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9893 produce SSA_NAME copies before the store stmt to avoid
9894 breaking exception handling.
9896 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9899 * gimplify.c (omp_is_private): If var is shared in some outer context,
9900 return false instead of true. Stop searching on parallel context
9903 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9906 * coverage.c: Use get_gcov_unsigned_t() instead of
9907 unsigned_type_node all over.
9909 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9911 PR tree-optimization/27381
9912 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9913 maintain the same immediate_use links.
9914 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9915 node rather than segfaulting.
9917 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9920 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9921 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9922 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9924 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9926 Fix PR tree-optimization/26626
9927 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9929 * tree-ssa-operands.c (access_can_touch_variable): Allow
9930 typecasting through union pointers.
9932 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9935 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9936 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9937 to find if var will be a global variable even in the nested context.
9938 (omp_copy_decl): Only check for global variable at the end, it might
9939 be overridden in outer contexts.
9940 (scan_sharing_clauses): For global variables don't create a field.
9941 (lower_rec_input_clauses): Do nothing for global shared variables.
9942 Emit a barrier at the end of ILIST if there were any decls in both
9943 firstprivate and lastprivate clauses.
9944 (lower_send_clauses): Do nothing for global variables except for
9947 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9949 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9950 of the correct signedness is returned.
9952 2006-05-02 Jeff Law <law@redhat.com>
9954 PR tree-optimization/27364
9955 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9956 multiply expressions.
9958 2006-05-02 Tom Tromey <tromey@redhat.com>
9960 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9962 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9965 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9966 -mthumb -fPIC are used.
9968 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9969 Joshua Kinard <kumba@gentoo.org>
9972 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9973 with 64-bit pointers.
9975 2006-05-02 Paul Brook <paul@codesourcery.com>
9977 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9979 (create_fix_barrier): Check that a suitable barrier location is
9981 (arm_reorg): Include ftmp->address in allowable range of addresses.
9983 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9986 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9989 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9992 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9993 around RESULT_DECL for result passed by reference.
9994 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9995 * omp-low.c (use_pointer_for_field): Don't look at
9996 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9997 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9998 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9999 time or var for passing by reference for
10000 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
10001 TREE_ADDRESSABLE variables when passing by reference.
10003 * omp-low.c (dump_omp_region): Fix output formatting.
10005 PR middle-end/27328
10006 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
10007 (expand_omp_parallel): Likewise.
10008 * tree-cfg.c (move_sese_region_to_fn): Likewise.
10010 PR middle-end/27325
10011 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
10012 on statement list containing also constructors and destructors.
10013 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
10015 PR middle-end/27310
10016 * except.c (duplicate_eh_regions): Fix clearing of
10017 cfun->eh->region_array entries.
10019 2006-05-01 DJ Delorie <dj@redhat.com>
10021 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
10023 (gcc_cv_objdump): Likewise.
10024 * configure: Regenerated.
10026 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
10029 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
10030 templates for case 3 and 4.
10032 2006-05-01 DJ Delorie <dj@redhat.com>
10034 * vec.c: Include bconfig.h when appropriate.
10035 * Makefile.in (build/vec.o): Adjust dependencies.
10036 * mkconfig.sh: Make sure config.h isn't used for build machine
10039 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10041 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
10043 (mark_phi_for_rewrite): New function.
10044 (insert_phi_nodes_for, mark_use_interesting): Call
10045 mark_phi_for_rewrite.
10046 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
10047 (update_ssa): Initialize and free phis_to_rewrite.
10049 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10051 PR rtl-optimization/27291
10052 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
10053 folded to a constant.
10055 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10057 PR tree-optimization/27283
10058 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
10059 not whole # of iteration descriptions.
10060 (niter_for_exit): Return just # of iterations. Fail if # of iterations
10061 uses abnormal ssa name.
10062 (niter_for_single_dom_exit): Ditto.
10063 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
10064 return just the number of iterations.
10066 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10068 PR tree-optimization/27144
10069 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
10070 (record_estimate): Only record constant upper bound.
10071 (infer_loop_bounds_from_undefined): Call
10072 compute_estimated_nb_iterations just once.
10073 (proved_non_wrapping_p): Renamed to ...
10074 (n_of_executions_at_most): ... this. Expect bound to be a constant.
10075 (convert_step_widening, scev_probably_wraps_p): Call
10076 n_of_executions_at_most instead of proved_non_wrapping_p.
10077 (substitute_in_loop_info): Do not replace values in bounds.
10078 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
10081 2006-05-01 Richard Henderson <rth@redhat.com>
10084 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
10085 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
10088 2006-05-01 Roger Sayle <roger@eyesopen.com>
10090 * c-typeck.c (parser_build_binary_op): Don't call the function
10091 unsigned_conversion_warning to spot operand/result type overflow.
10092 (build_binary_op): Instead, call convert_and_check instead of
10093 convert to report the problem when the operands are promoted.
10094 * c-common.c (unsigned_conversion_warning): Make static.
10095 * c-common.h (unsigned_conversion_warning): Delete prototype.
10097 2006-05-01 Richard Guenther <rguenther@suse.de>
10099 PR tree-optimization/26726
10100 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
10102 (find_interesting_uses_address): ... we work around here
10103 by folding INDIRECT_REFs in the substituted base.
10105 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10107 * omp-low.c (dump_omp_region): Add newlines.
10109 2006-04-30 Roger Sayle <roger@eyesopen.com>
10111 * common.opt (Woverflow): New command line option.
10112 * c-common.c (constant_expression_warning): Check warn_overflow.
10113 (overflow_waring): Pass OPT_Woverflow to warning.
10114 (unsigned_conversion_warning): Likewise.
10115 (convert_and_check): Likewise.
10116 * doc/invoke.texi: Document new command line option.
10118 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10120 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10121 TARGET_NO_FP_IN_TOC for section anchors.
10122 (optimization_options): Enable section anchors for all
10123 non-"Objective" languages.
10125 2006-04-28 Eric Christopher <echristo@apple.com>
10127 * config/darwin-c.c (darwin_ms_struct): Move this
10128 (darwin_set_default_type_attributes): and this...
10129 * config/darwin.c: ... here.
10130 * config/darwin.h (darwin_ms_struct): Declare.
10132 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10134 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10136 2006-04-28 Roger Sayle <roger@eyesopen.com>
10139 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10140 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10141 an unsigned HOST_WIDE_INT.
10142 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10144 (really_start_incremental_init): No need to call convert because
10145 bitsize_zero_node is already of type bitsizetype.
10146 (push_init_level): Extract the value of constructor_index as an
10147 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10148 (process_init_element): Likewise.
10150 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10152 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10153 value before passing to make_relative_prefix.
10155 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10157 PR middle-end/27260
10158 * builtins.c (expand_builtin_memset): Expand val in original mode.
10160 2006-04-27 Eric Christopher <echristo@apple.com>
10162 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10163 with #ifndef/#endif.
10164 * config/darwin-c.c (darwin_ms_struct): New.
10165 (darwin_pragma_ms_struct): Ditto.
10166 (darwin_set_default_type_attributes): Ditto.
10167 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10168 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10169 Register ms_struct pragma.
10170 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10171 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10172 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10173 darwin_set_default_type_attributes if TARGET_MACHO.
10175 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10177 PR tree-optimization/26854
10178 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10179 * doc/tree-ssa.texi: Update immuse iterator documentation.
10180 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10181 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10182 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10183 first_safe_imm_use, next_safe_imm_use): Remove.
10184 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10185 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10186 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10187 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10188 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10189 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10190 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10191 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10192 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10193 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10194 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10195 (perfect_nestify): Use new iterator.
10196 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10198 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10199 (next_imm_name): New field in struct immediate_use_iterator_d.
10200 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10201 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10202 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10203 * tree-cfg.c (replace_uses_by): Use new iterator.
10204 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10205 * tree-ssa-operands.c (correct_use_link): Remove.
10206 (finalize_ssa_use_ops): No longer call correct_use_link.
10208 2006-04-27 Stuart Hastings <stuart@apple.com>
10210 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10211 * config/t-darwin (crt3.o): Use it.
10212 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10213 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10214 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10215 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10216 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10219 2006-04-27 Roger Sayle <roger@eyesopen.com>
10221 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10222 size, force the intermediate into a new pseudo rather instead of
10223 performing both a bitwise AND and a bitwise IOR in memory.
10225 2006-04-27 Richard Guenther <rguenther@suse.de>
10227 PR rtl-optimization/26685
10228 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10229 this one "max-flow-memory-locations".
10231 2006-04-27 Richard Guenther <rguenther@suse.de>
10233 PR tree-optimization/25148
10234 * tree-vrp.c (compare_values): Remove code dealing with
10235 comparisons against type min/max value. Honour overflow
10236 and negative constants in code dealing with comparisons
10237 of plus and minus expressions.
10238 (value_inside_range): Use fold_binary with LE_EXPR and
10239 GE_EXPR rather than compare_values.
10241 2006-04-27 Dirk Mueller <dmueller@suse.de>
10243 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10246 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10248 * basic-block.h (safe_insert_insn_on_edge): Removed.
10249 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10251 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10252 Paolo Bonzini <bonzini@gnu.org>
10254 PR middle-end/27282
10255 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10256 (simplify_and_const_int): Same.
10258 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10260 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10262 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10265 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10266 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10267 cgraph_global_info_ready.
10269 PR middle-end/26913
10270 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10273 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10274 either decl or init is error_mark_node.
10276 PR middle-end/25989
10277 * tree-flow.h (struct omp_region): Add sched_kind.
10278 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10279 instead of extracting omp for data.
10280 (expand_omp_for): Save extracted sched_kind.
10282 2006-04-25 Roger Sayle <roger@eyesopen.com>
10284 * expmed.c (store_bit_field): Also check whether the bitsize is
10285 valid for the machine's "insv" instruction before moving the
10286 target into a pseudo for use with the insv.
10287 * config/i386/predicates.md (const8_operand): New predicate.
10288 * config/i386/i386.md (extv, extzv, insv): Use the new
10289 const8_operand predicate where appropriate.
10291 2006-04-25 DJ Delorie <dj@redhat.com>
10293 * doc/install.texi (Specific): Clarify that this is not a list of
10294 supported hosts or targets.
10296 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10298 PR rtl-optimization/26725
10299 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10300 block's BB_DIRTY flag.
10302 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10304 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10307 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10308 to print an integer.
10310 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10312 * varasm.c (align_variable): New function.
10313 (get_block_for_decl): Apply align_variable to DECL before
10314 calculating section information.
10315 (assemble_variable): Split out alignment computation.
10317 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10319 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10322 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10324 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10325 MODE_PARTIAL_INT mode.
10326 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10327 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10329 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10330 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10332 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10334 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10336 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10337 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10338 MACFLAG_IH): Likewise.
10339 (movstricthi_1): Renamed from "*movstricthi".
10340 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10341 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10342 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10343 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10344 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10345 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10346 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10347 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10348 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10349 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10350 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10351 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10352 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10353 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10354 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10356 * doc/rtl.texi (ss_ashift): Improve wording.
10358 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10360 * dwarf2out.c (verify_marks_clear): New.
10361 (prune_unused_types): Call verify_marks_clear initially, not
10364 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10366 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10367 * doc/rtl.texi: Document them.
10368 * simplify-rtx.c (simplify_unary_operation,
10369 simplify_binary_operation_1): Don't abort when we see them.
10371 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10374 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10375 * configure.ac: Completely disregard languages that are not
10377 * configure: Regenerated.
10379 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10380 Richard Guenther <rguenther@suse.de>
10382 PR tree-optimization/27236
10383 * tree-inline.c (copy_body_r): Make sure to copy
10384 TREE_THIS_VOLATILE flag.
10386 2006-04-24 Richard Guenther <rguenther@suse.de>
10388 PR middle-end/26869
10389 * tree-complex.c (update_parameter_components): Don't handle
10390 unused parameters which have no default def.
10392 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10393 Richard Guenther <rguenther@suse.de>
10395 PR tree-optimization/27218
10396 * tree-inline.c (expand_call_inline): Strip useless type
10397 conversions for the return slot address.
10399 2006-04-24 Richard Guenther <rguenther@suse.de>
10401 * cfgloop.h (struct loops): Remove unused field array. Reorder
10403 (LOOP_PREFETCH): Remove.
10405 2006-04-24 Richard Guenther <rguenther@suse.de>
10407 PR tree-optimization/22525
10408 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10409 variable, adjust types of generated expressions.
10411 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10413 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10414 (tree-vect-patterns.o): Likewise.
10415 (jump.o): Likewise.
10416 (cselib.o): Likewise.
10417 (loop-doloop.o): Likewise.
10418 (regclass.o): Likewise.
10419 (reload1.o): Likewise.
10420 (explow.o): Replace target.h with $(TARGET_H).
10421 (ipa-prop.o): Likewise.
10422 (ipa-cp.o): Likewise.
10423 (ipa-inline.o): Likewise.
10424 (reorg.o): Likewise.
10425 (reg-stack.o): Likewise.
10427 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10429 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10431 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10433 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10435 * configure.ac: Completely disregard languages that are not
10437 * configure: Regenerated.
10440 * c-common.h (c_build_bitfield_integer_type): Declare.
10441 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10442 * c-common.c (c_build_bitfield_integer_type): ... here.
10444 2006-04-23 Roger Sayle <roger@eyesopen.com>
10447 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10448 a SImode SUBREG of a floating point register after no_new_pseudos.
10450 2006-04-23 Roger Sayle <roger@eyesopen.com>
10452 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10453 identify potentially eliminable registers to additionally catch
10454 VIRTUAL_INCOMING_ARGS_REGNUM.
10455 (addsi3): Update the conditions on when to use addsi_small_int.
10457 2006-04-23 Roger Sayle <roger@eyesopen.com>
10460 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10461 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10462 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10464 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10466 * fold-const.c (range_predecessor): Use operand_equal_p
10467 as the predicate for equality.
10468 (range_successor): Likewise.
10470 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10473 * config/soft-fp/op-common.h: Fix a typo.
10475 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10477 PR libmudflap/26864
10478 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10479 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10481 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10483 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10485 * doc/tm.texi: Fix a typo.
10487 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10489 * dwarf2out.c (struct die_struct): Document that die_sib makes
10490 a circular linked list.
10491 (FOR_EACH_CHILD): New.
10492 (reverse_die_lists): Delete.
10493 (reverse_all_dies): Delete.
10494 (add_dwarf_attr): Correct documentation.
10495 (remove_child_with_prev): New.
10496 (remove_child_TAG): Update for change to die_struct, use
10497 remove_child_with_prev.
10498 (add_child_die): Update for change to die_struct.
10499 (splice_child_die): Use remove_child_with_prev and add_child_die.
10500 (print_die): Use FOR_EACH_CHILD.
10501 (die_checksum): Likewise.
10502 (assign_symbol_names): Likewise.
10503 (output_location_lists): Likewise.
10504 (build_abbrev_table): Likewise.
10505 (calc_die_sizes): Likewise.
10506 (mark_dies): Likewise.
10507 (unmark_dies): Likewise.
10508 (unmark_all_dies): Likewise.
10509 (output_die): Likewise.
10510 (prune_unused_types_mark): Likewise.
10511 (prune_unused_types_walk): Likewise.
10512 (same_die_p): Update for change to die_struct.
10513 (break_out_includes): Likewise.
10514 (prune_unused_types_prune): Likewise.
10515 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10516 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10517 it's already clear.
10518 (dwarf2out_finish): Don't call reverse_all_dies.
10520 2006-04-21 Eric Christopher <echristo@apple.com>
10522 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10523 in comments and function names.
10525 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10528 * c-typeck.c (digest_init): Robustify.
10530 * c-typeck.c (pop_init_level): Simplify.
10532 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10534 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10536 2006-04-21 Paul Brook <paul@codesourcery.com>
10538 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10539 hardware floating point.
10541 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10543 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10546 2006-04-21 Nick Clifton <nickc@redhat.com>
10548 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10551 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10554 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10555 C++ lang type in traceback table for Objective-C++.
10557 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10559 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10561 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10563 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10566 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10567 were errors. Remove check for erroneous objects.
10569 2006-04-20 Jeff Law <law@redhat.com>
10571 PR tree-optimization/26854
10572 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10573 checking for zero or one use.
10574 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10575 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10576 * tree-ssa-reassoc.c (negate_value): Similarly.
10577 (reassociate_bb): Similarly.
10579 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10581 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10582 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10583 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10585 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10587 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10588 fp regs if the last fp arg doesn't fit in regs.
10590 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10593 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10594 that the last insn has the REG_INC note.
10596 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10597 Nathan Sidwell <nathan@codesourcery.com>
10600 * stor-layout.c (update_alignment_for_field): Do not align
10602 (place_union_field): Place union field at the start of the union.
10603 (place_field): Move ERROR_MARK check later, and use the current
10604 allocation position to maintain monotonicity.
10606 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10608 * dominance.c: Include timevar.h.
10609 (calculate_dominance_info): Use TV_DOMINANCE.
10610 * timevar.def (TV_DOMINANCE): New timevar.
10611 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10613 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10615 PR rtl-optimization/14261
10616 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10617 move would be an INSV insn.
10618 (noce_process_if_block): Don't optimize if the destination is a
10619 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10621 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10623 * config/s390/s390.md: Add comments with the instructions emitted
10624 by an insn pattern if macros are used.
10626 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10628 PR rtl-optimization/26026
10629 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10630 is a known power of two shifted left a variable amount.
10632 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10634 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10635 to hash table twice when the debug_str section has SECTION_MERGE.
10637 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10639 * config/soft-fp: New directory. From glibc.
10640 * config/soft-fp/t-softfp: New.
10641 * config/soft-fp/README: New.
10642 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10643 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10644 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10645 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10646 * config.gcc: Use rs6000/t-fprules-fpbit or
10647 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10649 * config/rs6000/sfp-machine.h: New. Based on glibc.
10650 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10652 * config/rs6000/t-fprules: Remove fp-bit rules.
10653 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10654 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10655 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10656 (softfp_wrap_start, softfp_wrap_end): New.
10658 2006-04-18 DJ Delorie <dj@redhat.com>
10660 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10662 2006-04-18 Devang Patel <dpatel@apple.com>
10664 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10666 2006-04-18 Nick Clifton <nickc@redhat.com>
10668 * config/sh/t-symbian: Add rule to build sh-c.o
10669 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10670 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10671 (sh_symbian_encode_section_info): Likewise.
10673 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10675 * builtins.c (expand_builtin_strcmp): Cover label definition of
10676 do_libcall with HAVE_cmpstrnsi.
10678 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10680 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10682 * function.h (temp_slot_p): New.
10683 (function): Change the type of x_used_temp_slots to
10684 VEC(temp_slot_p,gc) *.
10686 2006-04-18 Nick Clifton <nickc@redhat.com>
10688 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10689 flag_strength_reduce.
10691 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10693 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10697 Partial revert of revision 112637
10698 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10699 Dale Johannesen <dalej@apple.com>
10702 * regclass.c (struct reg_pref): Update documentation.
10703 (regclass): Set prefclass to NO_REGS if memory is the best option.
10704 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10706 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10708 PR tree-optimization/26821
10709 * tree-ssa-math-opts.c (get_constant_one): New.
10710 (insert_reciprocals): Use it.
10712 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10714 * dwarf2out.c (free_AT): Delete.
10715 (remove_AT): Update string ref counts.
10716 (remove_child_TAG): Don't call free_die.
10717 (free_die): Delete.
10718 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10719 or DW_TAG_GNU_EINCL.
10720 (prune_unused_types_walk_attribs): Reset string refcounts.
10721 (prune_unused_types_update_strings): New.
10722 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10723 call free_die. Do call prune_unused_types_update_strings.
10724 (prune_unused_types): Empty debug_str_hash.
10726 2006-04-17 Roger Sayle <roger@eyesopen.com>
10728 * expr.c (expand_assignment): Optimize away no-op moves where the
10729 source and destination are equal and have no side-effects.
10731 2006-04-17 Richard Guenther <rguenther@suse.de>
10734 * reload.c (push_reload): Guard calls to get_secondary_mem
10735 for memory subregs.
10737 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10739 * alias.c (reg_base_value, old_reg_base_value): Change the
10740 type to VEC(rtx,gc) *.
10741 (REG_BASE_VALUE, find_base_value, record_set,
10742 init_alias_analysis): Use VEC instead of VARRAY.
10744 * alias.c (alias_sets): Change the type to
10745 VEC(alias_set_entry,gc) *.
10746 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10747 VEC instead of VARRAY.
10748 (last_alias_set): Remove.
10750 * cgraph.h (cgraph_edge_p): New.
10751 Update the prototype of cgraph_function_versioning.
10752 * cgraphunit.c (cgraph_copy_node_for_versioning,
10753 cgraph_function_versioning): Use VEC instead of VARRAY.
10754 * ipa-cp.c (ipcp_insert_stage): Likewise.
10756 2006-04-16 Roger Sayle <roger@eyesopen.com>
10759 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10760 "A op B" or "A op C", we may need to convert A to the type of B and C.
10762 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10764 * target.h (struct gcc_target): Add mode_rep_extended.
10765 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10766 (init_num_sign_bit_copies_in_rep): Initialize it using
10768 (truncate_to_mode): Use it.
10769 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10770 * targhooks.h (default_mode_rep_extended): Declare it.
10771 * targhooks.c (default_mode_rep_extended): Define it.
10772 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10773 default_mode_rep_extended.
10774 (TARGET_INITIALIZER): Include it.
10775 * doc/tm.texi (Misc): Document it.
10776 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10777 (mips_truncated_to_mode): New function.
10779 2006-04-16 Roger Sayle <roger@eyesopen.com>
10781 PR middle-end/25474
10782 * expr.c (compress_float_constant): Copy the narrow constant into
10783 a new pseudo before extending it to its final width.
10785 2006-04-16 Roger Sayle <roger@eyesopen.com>
10786 Andrew Pinski <pinskia@gcc.gnu.org>
10787 Dale Johannesen <dalej@apple.com>
10790 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10791 special case code to implement V8HImode and V16QImode with SSE2.
10793 2006-04-15 Roger Sayle <roger@eyesopen.com>
10795 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10796 trees are constructed with a suitable tree type.
10798 2006-04-15 Roger Sayle <roger@eyesopen.com>
10800 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10801 (integer_onep): Likewise.
10802 (integer_all_onesp): Likewise.
10803 (integer_pow2p): Likewise.
10804 (integer_nonzerop): Likewise.
10805 (real_zerop): Likewise.
10806 (real_onep): Likewise.
10807 (real_twop): Likewise.
10808 (real_minus_onep): Likewise.
10809 (int_size_in_bytes): Likewise.
10810 (host_integerp): Likewise.
10812 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10814 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10815 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10816 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10818 * tree-ssa-structalias.h (alias_info): Remove num_references.
10820 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10822 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10823 (output_bvb patterns): Likewise.
10824 * pa.c (output_bb): Use 'bb' insn for long branch case.
10825 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10826 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10827 1. Correct length operand for alternatives 1 and 2.
10828 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10829 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10831 2006-04-14 Roger Sayle <roger@eyesopen.com>
10833 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10834 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10835 were accidentally reverted by r112959.
10837 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10839 PR middle-end/26823
10840 * except.h (eh_region_outermost): New prototype.
10841 * except.c (eh_region_outermost): New function.
10842 * tree-cfg.c (find_outermost_region_in_block): Use it.
10844 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10846 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10848 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10849 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10850 (init_reload, reload): Use VEC instead of VARRAY.
10851 * reload.h: Update the prototype for
10852 reg_equiv_memory_loc_varray.
10854 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10855 Eric Botcazou <ebotcazou@libertysurf.fr>
10857 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10858 register save area.
10860 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10862 PR middle-end/27134
10863 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10864 to expand fallback builtin function call.
10866 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10868 PR middle-end/27095
10869 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10870 and emit libcall here in case the builtin fails.
10871 (expand_builtin_strcmp): Always emit the libcall here on failure.
10873 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10875 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10876 * flow.c (reg_n_info): Change the type to
10877 VEC(reg_info_p,heap) *.
10878 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10880 * regs.h (reg_info_p): New.
10881 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10882 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10883 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10886 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10888 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10890 * params.h (MAX_SCHED_READY_INSNS): New macro.
10891 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10892 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10893 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10894 the ready list for 1 cycle during the first scheduling pass.
10895 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10897 2006-04-13 Richard Henderson <rth@redhat.com>
10900 * gimple-low.c (lower_omp_directive): Remove dead code.
10901 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10902 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10903 * omp-low.c (struct omp_region): Move to tree-flow.h.
10904 (root_omp_region): Export.
10905 (omp_regions, lookup_omp_region): Remove.
10906 (determine_parallel_type): Update for struct omp_region changes.
10907 (dump_omp_region): Dump regions with block numbers.
10908 (new_omp_region): Take type and block instead of stmt; malloc
10910 (free_omp_region_1, free_omp_regions): New.
10911 (expand_parallel_call): Take entry_stmt as argument; update for
10912 changes to omp_region.
10913 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10914 (remove_exit_barriers): New.
10915 (expand_omp_parallel): Update for struct omp_region changes.
10916 (expand_omp_synch): Likewise.
10917 (expand_omp): Likewise.
10918 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10919 (expand_omp_for_static_chunk): Likewise.
10920 (expand_omp_for): Likewise.
10921 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10922 (expand_omp_sections): Similarly, with GOMP_sections_end.
10923 (expand_omp_single): New.
10924 (build_omp_regions_1): Update for OMP_CONTINUE.
10925 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10926 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10927 OMP_SECTIONS_SECTIONS.
10928 (lower_omp_single_simple): Don't emit barrier here.
10929 (lower_omp_single_copy): Likewise.
10930 (lower_omp_single): Fix bindings, and lower to straightline now.
10931 (lower_omp_master, lower_omp_ordered): Likewise.
10932 (lower_omp_critical): Likewise.
10933 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10934 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10935 omp edges, free it afterward.
10936 (make_omp_sections_edges): Remove.
10937 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10938 (move_stmt_r): Handle OMP_CONTINUE.
10939 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10940 statement pointers to basic blocks. Add type member.
10941 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10942 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10943 * tree-inline.c (estimate_num_insns_1): Likewise.
10944 * tree-pretty-print.c (dump_generic_node): Likewise.
10945 * tree-ssa-operands.c (get_expr_operands): Likewise.
10946 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10947 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10948 (OMP_CONTINUE): New.
10949 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10950 (OMP_SECTIONS_SECTIONS): Remove.
10951 (OMP_SECTION_LAST): New.
10952 (OMP_RETURN_NOWAIT): New.
10954 2006-04-13 Roger Sayle <roger@eyesopen.com>
10956 * fold-const.c (native_encode_vector, native_interpret_real):
10957 Correct obvious mistakes in the previous check-in.
10959 2006-04-13 Roger Sayle <roger@eyesopen.com>
10961 * fold-const.c (native_encode_expr): New function to encode
10962 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10963 or VECTOR_CST into a specified buffer.
10964 (native_encode_int): New function.
10965 (native_encode_real): New function.
10966 (native_encode_complex): New function.
10967 (native_encode_vector): New function.
10968 (native_interpret_expr): Inverse of native_encode_expr to convert
10969 a target representation into an INTEGER_CST, REAL_CST etc...
10970 (native_interpret_int): New function.
10971 (native_interpret_real): New function.
10972 (native_interpret_complex): New function.
10973 (native_interpret_vector): New function.
10974 (fold_view_convert_expr): New function to constant fold/evaluate
10975 a VIEW_CONVERT_EXPR of a suitable constant expression.
10976 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10977 Change call of build1 to fold_build1 when constructing a
10980 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10981 Ulrich Weigand <uweigand@de.ibm.com>
10984 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10987 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10990 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10991 optimize to lo_sum for DFmode if !TARGET_FPRS.
10993 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10995 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10996 delete_alias_info, compute_flow_sensitive_aliasing,
10997 group_aliases): Use VEC instead of VARRAY.
10998 * tree-ssa-structalias.c (update_alias_info): Likewise.
10999 * tree-ssa-structalias.h (alias_info): Change the type of
11000 processed_ptrs to VEC(tree,heap) *.
11002 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
11005 * config/sh/lib1funcs.h: New file, broken out of:
11006 * config/sh/lib1funcs.asm.
11007 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
11009 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
11010 * config/sh/lib1funcs-Os-4-200.asm: New file.
11011 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
11012 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
11013 (EXTRA_MULTILIB_PARTS): Include it.
11014 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
11015 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
11016 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
11017 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
11020 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11022 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
11023 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
11024 tpa_compact, root_var_init, type_var_init): Use VEC instead of
11026 * tree-ssa-live.h: Include vecprim.h.
11027 (tree_partition_associator_d): Change the type of
11028 first_partition to VEC(int,heap) *.
11029 (tpa_first_partition): Use VEC instead of VARRAY.
11031 * Makefile.in (GTFILES): Move functions.h after tree.h.
11032 * function.c (reset_block_changes, record_block_change,
11033 check_block_change, free_block_changes): Use VEC instead of
11035 * function.h (function): Change the type of
11036 ib_boundaries_block to VEC(tree,gc) *.
11037 * tree-inline.c (copy_cfg_body): Initialize
11038 ib_boundaries_block to NULL instead of (varray_type) 0.
11040 2006-04-12 Roger Sayle <roger@eyesopen.com>
11042 * expr.c (emit_group_store): Correct operand order in call to
11043 subreg_lowpart_offset. Always create paradoxical SUBREGs with
11044 a SUBREG_BYTE of zero.
11046 2006-04-12 Richard Guenther <rguenther@suse.de>
11048 * profile.c (compute_branch_probabilities): Remove code
11049 encapsulated in !ir_type (), which are remanents of the
11050 removed RTL profiling code.
11051 * rtl-profile.c: Remove.
11053 2006-04-12 Alan Modra <amodra@bigpond.net.au>
11055 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
11056 magic NULL_RTX comment.
11057 (function_arg): Store entire fp arg to mem if any part should go
11059 (rs6000_arg_partial_bytes): Adjust for above change.
11061 2006-04-11 Roger Sayle <roger@eyesopen.com>
11063 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
11064 if it hasn't been initialized by dwarf2out_init.
11066 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
11068 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
11069 symbolic constants in branch patterns.
11071 2006-04-11 Roger Sayle <roger@eyesopen.com>
11073 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
11075 2006-04-11 Richard Sandiford <richard@codesourcery.com>
11077 PR rtl-optimization/27073
11078 * gcse.c (try_replace_reg): Revert last change. Continue to search
11079 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
11082 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
11084 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
11085 aggregate types other than record and union types.
11086 (function_arg): Likewise.
11087 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
11089 (function_value): In 64-bit mode, return objects that require it
11092 2006-04-11 Roger Sayle <roger@eyesopen.com>
11094 * dwarf2out.c (premark_used_types): Remove problematic prototype.
11096 2006-04-11 Jakub Jelinek <jakub@redhat.com>
11098 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
11100 2006-04-03 Jeff Law <law@redhat.com>
11103 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11104 alias information too.
11106 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11108 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11110 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11113 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11114 (premark_used_types_helper): New.
11115 (premark_used_types): New.
11116 (gen_subprogram_die): Call premark_used_types.
11117 (prune_unused_types_walk): Do not prune perennial dies.
11118 * function.c (used_types_insert): New.
11119 * function.h (struct function): Add used_types_hash field.
11120 (used_types_insert): Add prototype.
11121 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11122 * c-parser.c (c_parser_cast_expression): Save casted types in used
11125 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11128 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11129 rs6000_explicit_options.float_gprs.
11131 2006-04-10 Roger Sayle <roger@eyesopen.com>
11133 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11134 from ix86_expand_vector_init_low_nonzero. Take an additional
11135 one_var argument indicating which element is non-zero. Support
11136 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11137 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11138 with one_var instead of ix86_expand_vector_init_low_nonzero.
11140 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11142 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11143 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11144 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11145 build/genextract.o): Depend on vecprim.h.
11146 * cfglayout.c, df-problems.c, function.c, genextract.c,
11147 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11148 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11152 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11154 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11155 Declare VECs of this type.
11156 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11157 (remove_children): Delete.
11158 (add_dwarf_attr): Use VEC routines.
11159 (add_AT_flag): Update for changes to add_dwarf_attr.
11160 (add_AT_int): Likewise.
11161 (add_AT_unsigned): Likewise.
11162 (add_AT_long_long): Likewise.
11163 (add_AT_vec): Likewise.
11164 (add_AT_string): Likewise.
11165 (add_AT_die_ref): Likewise.
11166 (add_AT_fde_ref): Likewise.
11167 (add_AT_loc): Likewise.
11168 (add_AT_loc_list): Likewise.
11169 (add_AT_addr): Likewise.
11170 (add_AT_lbl_id): Likewise.
11171 (add_AT_lineptr): Likewise.
11172 (add_AT_macptr): Likewise.
11173 (add_AT_offset): Likewise.
11174 (add_AT_range_list): Likewise.
11175 (get_AT): Use VEC_iterate.
11176 (remove_AT): Use VEC_ordered_remove.
11177 (free_die): Fold remove_children into here; have it use VEC_iterate.
11178 (print_die): Use VEC_iterate on attrs.
11179 (reverse_die_lists): Don't reverse attr lists.
11180 (die_checksum): Use VEC_iterate on attrs.
11181 (same_die_p): Likewise.
11182 (output_location_lists): Likewise.
11183 (build_abbrev_table): Likewise.
11184 (size_of_die): Likewise.
11185 (unmark_all_dies): Likewise.
11186 (output_abbrev_section): Likewise.
11187 (output_die): Likewise.
11188 (prune_unused_types_walk_attribs): Likewise.
11190 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11192 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11194 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11197 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11199 2006-04-09 Roger Sayle <roger@eyesopen.com>
11201 * expr.c (store_constructor): Don't bother clearing target if
11202 we're about to assign a vector to it using vec_init_optab.
11204 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11206 * tree-ssa-alias.c (lhs_may_store_to): New function.
11207 (recalculate_used_alone): Handle LHS of calls.
11209 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11213 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11214 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11215 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11216 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11217 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11218 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11219 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11220 stubs. Add ".align 8" directives before all ".dword" directives.
11221 (GTHREAD_USE_WEAK): Revise comment.
11222 (TARGET_ATTRIBUTE_WEAK): Define.
11223 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11224 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11225 * stublib.c: New file.
11230 * pa.md (cbranch patterns): Revise arguments used in calls to
11231 output_cbranch, output_bb and output_bvd. Add long branch length
11233 (fbranch patterns): Handle long branches.
11234 (jump): Revise length check. Revise arguments for output_lbranch call.
11235 Add long branch length attributes.
11236 (decrement_and_branch_until_zero): Add long branch length attributes.
11237 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11238 Likewise. Revise arguments for output_parallel_addb and
11239 output_parallel_movb calls.
11240 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11241 output_parallel_movb and output_parallel_addb): Update prototypes.
11242 * pa.c (output_cbranch): Revise arguments. Correct handling of
11243 nullification in long branches.
11244 (output_lbranch): Add new argument to control extraction of delay
11246 (output_bb): Handle long branches.
11247 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11248 output_parallel_addb): Likewise.
11250 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11252 PR rtl-optimization/27073
11253 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11256 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11258 * tree.h (tree_memory_tag): Add old_used_alone.
11259 (SMT_OLD_USED_ALONE): New macro.
11260 * tree-ssa-alias.c (recalculate_used_alone): Stop
11261 marking things for renaming unnecessarily.
11263 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11265 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11266 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11267 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11268 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11269 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11270 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11271 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11272 spelling convensions.
11273 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11274 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11275 typos. Follow spelling conventions.
11277 2006-04-07 DJ Delorie <dj@redhat.com>
11279 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11280 passed on the stack.
11281 (m32c_init_cumulative_args): When a function returns a structure,
11282 always pass the pointer to that return area on the stack.
11283 (m32c_function_arg_advance): Don't increment the parameter number
11284 if we're processing the returned structure pointer.
11285 (pushm_info): Reverse order of registers.
11287 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11289 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11290 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11291 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11292 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11293 build_int_cst_type.
11294 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11295 chrec_fold_multiply): Same.
11296 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11297 force_expr_to_var_cost): Same.
11298 * tree-mudflap.c (mf_xform_derefs_1): Same.
11299 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11301 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11303 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11304 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11307 2006-04-07 Jan Hubicka <jh@suse.cz>
11309 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11311 2006-04-07 Richard Guenther <rguenther@suse.de>
11313 PR tree-optimization/26135
11314 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11315 loads for store copy-prop.
11316 (copy_prop_visit_stmt): Likewise.
11318 2006-04-05 Robert Millan <robertmh@gnu.org>
11320 * config/i386/linux.h: Add a comment to mark macros that are
11321 being overriden in config/k*bsd-gnu.h.
11322 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11324 * config/knetbsd-gnu.h: Ditto.
11326 2006-04-06 Jan Hubicka <jh@suse.cz>
11330 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11333 2006-04-06 Mike Stump <mrs@apple.com>
11335 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11336 for HAVE_nonlocal_goto to be consistent.
11337 (expand_builtin_nonlocal_goto): Likewise.
11338 (expand_builtin_strcmp): Use #ifdef instead of #if
11339 for HAVE_cmpstrnsi to be consistent.
11341 2006-04-05 DJ Delorie <dj@redhat.com>
11343 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11346 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11348 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11349 got-relative addressing for anything but SImode.
11351 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11352 even if the calling function doesn't modify them.
11354 2006-04-05 Richard Guenther <rguenther@suse.de>
11356 PR tree-optimization/26919
11357 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11358 to cgraph_estimate_size_after_inlining.
11360 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11362 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11364 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11366 PR tree-optimization/26996
11367 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11368 VECTOR_TYPE variables.
11370 2006-04-05 Richard Guenther <rguenther@suse.de>
11372 PR tree-optimization/26763
11373 * fold-const.c (fold_comparison): Move folding of
11374 PTR + CST CMP PTR + CST ...
11375 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11377 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11379 * doc/install.texi (Prerequisites): Refine some wording on
11380 bootstrapping and ksh.
11381 Move the version numbers of DejaGnu here from the testing section
11382 and fix casing of names.
11383 Fix markup and clarify wording for autogen requirements.
11384 Refer to GCJ instead of just java.
11385 Refer to SVN instead of CVS.
11386 Describe diffutils as useful instead of necessary.
11387 (Downloading the source): Refer to SVN instead of CVS.
11388 Adjust a link to our web site accordingly.
11389 (Configuration): Fix casing of Bison.
11390 (Building): Refer to SVN instead of CVS.
11391 Fix a sentence on the use of Bison and remove duplicate (and
11392 incorrect) version number of Bison requirement.
11393 Remove one redundant list of packages needed for building.
11394 (Specific): Avoid reference to CVS.
11396 2006-04-04 Eric Christopher <echristo@apple.com>
11398 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11399 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11400 (rs6000_handle_struct_attribute): New.
11401 (rs6000_ms_bitfield_layout_p): Ditto.
11403 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11405 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11406 NULL for dso parameter to atexit_common.
11408 2006-04-04 Eric Christopher <echristo@apple.com>
11410 * config/i386/i386.c (machopic_output_stub): Output \t
11411 between instructions and operands.
11413 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11415 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11416 satisfies_constraint_[IL] to explicit tests on value.
11418 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11420 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11421 set_nb_iterations_in_loop): Use build_int_cst instead of
11422 build_int_cst_type.
11423 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11424 build_int_cst instead of convert.
11426 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11428 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11429 new value 2 for incoming.
11430 * function.c (expand_function_start): Call struct_value_rtx
11431 with incoming as 2.
11432 * config/sparc/sparc.md: Comment updated_return.
11433 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11434 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11435 struct return if sparc_std_struct_return and incoming is 2.
11436 (print_operand): Do not adjust return if
11437 sparc_std_struct_return.
11439 2006-04-04 Roger Sayle <roger@eyesopen.com>
11441 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11442 convert in the middle-end.
11443 * expr.c (store_expr, store_constructor, get_inner_reference,
11444 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11446 * tree.c (build_range_type): Likewise.
11448 2006-04-04 Tom Tromey <tromey@redhat.com>
11450 * doc/install.texi (Prerequisites): Mention jar.
11452 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11454 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11457 2006-04-04 Matthias Klose <doko@debian.org>
11459 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11463 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11466 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11468 * doc/extend.texi (Function Attributes): Rewrite visibility
11469 attribute documentation.
11470 * doc/invoke.texi (C++ Dialect Options): Rewrite
11471 -fvisibility-inlines-hidden documentation to describe something
11472 entirely different, although in practise compatible.
11473 (Code Gen Options): Warn about system headers in -fvisibility=
11476 * doc/extend.texi (Other Builtins): Document that
11477 __builtin_nan is a compile-time constant only when its argument
11480 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11482 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11483 trying to remove TRUNCATE check if all bits outside the new mode
11484 are identical to the sign bit.
11486 2006-04-03 Jeff Law <law@redhat.com>
11488 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11489 and operand scanning in some common cases.
11491 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11492 Dale Johannesen <dalej@apple.com>
11495 * regclass.c (struct reg_pref): Update documentation.
11496 (regclass): Set prefclass to NO_REGS if memory is the best option.
11497 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11498 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11499 into account. For non-registers, equate an empty preferred
11500 reload class to a `!' in the constraint; move the if clause to
11501 do so after those that reject the insn.
11502 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11504 (find_dummy_reload): Likewise.
11505 * doc/tm.texi (Register Classes): Document what it means
11506 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11507 * config/i386/i386.c (ix86_preferred_reload_class): Force
11508 using SSE registers (and return NO_REGS for floating-point
11509 constants) if math is done with SSE.
11510 (ix86_preferred_output_reload_class): New.
11511 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11512 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11513 * config/i386/i386.md: Remove # register preferences.
11515 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11518 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11519 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11520 the type of nb_iter.
11521 (instantiate_parameters_1): Convert the operands before calling
11522 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11523 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11525 2006-04-02 Roger Sayle <roger@eyesopen.com>
11527 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11528 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11529 instead of convert.
11530 * dojump.c (do_jump): Likewise.
11531 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11532 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11533 gimplify_boolean_expr): Likewise.
11534 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11535 * varasm.c (array_size_for_constructor): Likewise.
11536 * tree-object-size.c (compute_object_offset): Likewise.
11538 2006-04-02 Roger Sayle <roger@eyesopen.com>
11540 PR middle-end/26977
11541 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11542 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11544 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11546 PR tree-optimization/26939
11547 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11549 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11551 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11552 at_stmt. Convert the type of operands before calling
11553 build_polynomial_chrec.
11554 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11555 add_to_evolution_1.
11556 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11557 (instantiate_parameters_1): Convert the type of operands before calling
11558 build_polynomial_chrec.
11559 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11560 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11561 reset_evolution_in_loop): Insert asserts to check the types of the
11563 (chrec_type): Moved...
11564 (eq_evolutions_p): Use operand_equal_p.
11565 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11566 the types of the operands.
11567 (chrec_type): ...here.
11568 * tree-data-ref.c (create_data_ref): Convert the operands before
11569 calling chrec_replace_initial_condition.
11570 (same_access_functions, analyze_subscript_affine_affine,
11571 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11572 (compute_subscript_distance, analyze_ziv_subscript,
11573 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11574 analyze_miv_subscript): Convert the operands before calling
11575 chrec_fold_minus or chrec_fold_plus.
11577 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11579 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11580 the dependence_relations vector.
11581 (compute_data_dependences_for_loop): Adjust call to
11582 compute_all_dependences.
11584 2006-04-01 Roger Sayle <roger@eyesopen.com>
11585 Richard Henderson <rth@redhat.com>
11587 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11588 gimple_boolify on the condition before calling gimplify_expr.
11590 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11592 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11593 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11594 the frame size. Update to use the new macros.
11595 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11596 * config/xtensa/ieee754-df.S: Likewise.
11598 2006-03-31 Richard Henderson <rth@redhat.com>
11600 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11601 (make_edges): ... here. Control fallthru creation with a local
11602 variable. Do not play with fake edges.
11603 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11604 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11607 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11609 * dwarf2.h (DW64_CIE_ID): Define.
11610 * dwarf2out.c (DWARF_CIE_ID): Define.
11611 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11612 length header. Use DWARF_CIE_ID.
11613 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11614 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11616 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11618 * config/sh/linux-atomic.asm: New file.
11619 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11621 2006-03-31 DJ Delorie <dj@redhat.com>
11623 * config/m32c/cond.md: Set condition flags properly throughout.
11624 * config/m32c/minmax.md: Likewise.
11625 * config/m32c/prologue.md: Likewise.
11626 * config/m32c/bitops.md: Likewise.
11627 * config/m32c/muldiv.md: Likewise.
11628 * config/m32c/mov.md: Likewise.
11629 * config/m32c/addsub.md: Likewise.
11630 * config/m32c/m32c.md: Likewise.
11631 * config/m32c/jump.md: Likewise.
11632 * config/m32c/shift.md: Likewise.
11634 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11635 conditionally output the pattern for this.
11636 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11637 (m32c_compare_redundant): New.
11638 (m32c_output_compare): New.
11639 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11641 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11642 dest, not src. Allow other 4-byte modes.
11644 2006-03-30 Denis Chertykov <denisc@overta.ru>
11646 * doc/md.texi: Refer to avr/constraints.md instead of
11649 2006-03-30 Roger Sayle <roger@eyesopen.com>
11651 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11652 signed vs. unsigned comparison failures on some hosts.
11654 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11657 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11658 change to FLOAT_REGS.
11660 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11661 (rs6000_override_options): Use it.
11662 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11663 only for -mabi=spe/no-spe and -mabi=altivec.
11665 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11667 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11670 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11672 * Makefile.in: Rename docdir to gcc_docdir.
11674 2006-03-30 Roger Sayle <roger@eyesopen.com>
11677 * expr.c (emit_group_store): Optimize group stores into a pseudo
11678 register by using a paradoxical subreg to initialize the destination
11679 if the first or last member of the group specifies a "low part".
11681 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11684 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11685 * target.h (struct gcc_target.speculate_insn): Change type of the
11686 second parameter to 'int'.
11687 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11688 the second operand of the DEPS_LIST.
11689 (copy_DEPS_LIST_list): Update reference to the second operand of the
11691 * rtl.h (alloc_DEPS_LIST): Update signature.
11692 * sched-int.h (ds_t): Change typedef to 'int'.
11693 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11695 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11697 * haifa-sched.c (try_ready): Change condition to restore
11698 non-speculative pattern of the instruction.
11699 (process_insn_depend_be_in_spec): Code to keep probability of the
11700 speculative dependence non-decreasing.
11702 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11704 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11705 (single_move_for_movmem): ... this. Also change all uses.
11706 (bfin_expand_strmov): Renamed to...
11707 (bfin_expand_movmem): ... this. Also change all uses.
11708 * config/bfin/bfin.md (movstrsi): Renamed to...
11709 (movstrsi): ...this.
11711 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11713 PR tree-optimization/26830
11715 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11716 (copy_prop_visit_stmt): Remove write-only variable ann.
11717 (init_copy_prop): Check variable loop depth here. Do not simulate
11718 memory-tag and virtual operand PHIs except for store copy prop.
11720 2006-03-30 Richard Guenther <rguenther@suse.de>
11722 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11723 variants with double arguments.
11725 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11727 * genpreds.c (write_tm_constrs_h): Delete variable p.
11728 * genconditions.c (write_header): Add tm-constrs.h to included
11730 * genpeep.c (main): Add toplev.h to included headers.
11731 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11732 (build/genpeep.o): Add toplev.h dependency.
11733 * config/rs6000/constraints.md: Add "W" constraint.
11735 2006-03-29 Roger Sayle <roger@eyesopen.com>
11737 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11738 sizes by correctly testing whether the size fits a host integer.
11739 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11740 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11741 SImode range for the default sizetype and bitsizetype.
11743 2006-03-29 Roger Sayle <roger@eyesopen.com>
11745 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11746 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11747 quickly if the argument is already of the correct type.
11748 Call fold_build1 instead of build1. Tidy up blank lines.
11750 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11752 * genemit.c (main): Add tm-constrs.h to included headers.
11753 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11754 * genpeep.c (main): Add tm-constrs.h to included headers.
11755 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11756 (write_tm_constrs_h): this and write complete file.
11757 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11758 (write_insn_preds_c): Add tm-constrs.h to included headers.
11759 (gen_constrs): New variable.
11760 (parse_option): Parse "-c".
11761 (main): Invoke write_tm_constrs_h.
11762 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11763 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11764 (object_out_file): Add tm-constrs.h dependency.
11765 (insn-emit.o): Same.
11766 (insn-output.o): Same.
11767 (insn-peep.o): Same.
11768 (insn-preds.o): Same.
11769 (insn-recog.o): Same.
11770 (tm-constsr.h): New target.
11771 (s-constrs-h): New target.
11773 * config/rs6000/constraints.md: New file.
11774 * config/rs6000/rs6000.c: Include tm-constrs.h.
11775 (num_insn_constant_wide): Convert to satisfies_constraint.
11776 (rs6000_rtx_costs): Convert to satisfies_constraint.
11777 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11778 (CONST_OK_FOR_LETTER_P): Delete.
11779 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11780 (EXTRA_CONSTRAINT): Delete.
11781 (EXTRA_MEMORY_CONSTRAINT): Delete.
11782 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11783 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11784 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11785 satisfies_constraint.
11787 * config/i386/i386.c: Include tm-constrs.h.
11789 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11791 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11792 * tree-data-ref.c (find_data_references_in_loop,
11793 compute_data_dependences_for_loop): Use pointers to VEC.
11794 (analyze_all_data_dependences): Adjust calls.
11795 * tree-data-ref.h (find_data_references_in_loop,
11796 compute_data_dependences_for_loop): Adjust declarations.
11797 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11798 compute_data_dependences_for_loop.
11800 2006-03-29 Paul Brook <paul@codesourcery.com>
11802 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11803 (movdf_vfp): Ditto.
11805 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11807 PR tree-optimization/26859
11808 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11810 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11811 for the step after fold_convert.
11813 2006-03-29 Paul Brook <paul@codesourcery.com>
11815 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11816 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11818 2006-03-29 Paul Brook <paul@codesourcery.com>
11820 PR middle-end/23623
11821 * targhooks.c (default_narrow_bitfield): New fuction.
11822 * targhooks.h (default_narrow_bitfield): add prototype.
11823 * target.h (gcc_target): Add narrow_volatile_bitfield.
11824 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11825 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11826 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11827 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11829 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11831 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11833 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11834 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11835 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11836 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11837 (s390_function_arg_float): Allow SDmode and DDmode values to be
11838 passed in floating point registers.
11839 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11840 check with SCALAR_FLOAT_MODE_P.
11841 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11843 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11845 PR tree-optimization/25985
11846 * tree-ssa-loop-niter.c (number_of_iterations_le,
11847 number_of_iterations_ne): Make comments more precise.
11848 (number_of_iterations_cond): Add only_exit argument. Use the
11849 fact that signed variables do not overflow only when only_exit
11851 (loop_only_exit_p): New.
11852 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11853 number_of_iterations_cond.
11855 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11857 PR tree-optimization/26643
11858 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11861 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11863 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11864 (divsi3_i4_int): Likewise.
11866 2006-03-28 Roger Sayle <roger@eyesopen.com>
11868 * expr.c (emit_group_store): Only create a new pseudo reg if the
11869 quantity it needs to hold isn't already a suitable pseudo.
11871 2006-03-28 Jeff Law <law@redhat.com>
11873 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11874 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11876 2006-03-28 Roger Sayle <roger@eyesopen.com>
11878 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11879 the equivalent ~X & Y, and the symmetry related transformations.
11880 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11881 ~X & Y, and symmetry related transforms.
11883 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11885 Revert my 2006-03-27 patches.
11887 2006-03-28 Roger Sayle <roger@eyesopen.com>
11889 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11890 ~(T1)X, when T1 and T2 are integer types of the same precision
11891 and (T2)X isn't an extension.
11893 2006-03-28 Jeff Law <law@redhat.com>
11895 PR tree-optimization/26796
11896 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11897 need EH edge cleanups rather than purging them immediately.
11898 (eliminate_degenerate_phis): Handle queued EH cleanups.
11900 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11902 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11905 2006-03-27 Roger Sayle <roger@eyesopen.com>
11907 PR middle-end/22524
11908 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11909 cast BIT_NOT_EXPR operand to the correct type.
11911 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11913 * tree-loop-linear.c: Don't include varray.h.
11914 (gather_interchange_stats, try_interchange_loops,
11915 linear_transform_loops): Use VEC instead of VARRAY.
11916 * lambda-mat.c: Don't include varray.h.
11917 * tree-chrec.c: Same.
11918 * lambda-trans.c: Same.
11919 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11920 VEC instead of VARRAY.
11921 * tree-vectorizer.h: Idem.
11922 * tree-data-ref.c (dump_data_references,
11923 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11924 initialize_data_dependence_relation, finalize_ddr_dependent,
11925 compute_all_dependences, find_data_references_in_loop,
11926 compute_data_dependences_for_loop, analyze_all_data_dependences,
11927 free_dependence_relation, free_dependence_relations,
11928 free_data_refs): Idem.
11929 * tree-data-ref.h (data_reference_p, subscript_p): New.
11930 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11931 VEC instead of VARRAY.
11932 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11933 (find_data_references_in_loop, compute_data_dependences_for_loop,
11934 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11935 dump_data_dependence_relations, free_dependence_relations,
11936 free_data_refs): Adjust declaration.
11937 (lambda_transform_legal_p): Move declaration here...
11938 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11939 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11940 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11941 vect_analyze_data_refs): Use VEC instead of VARRAY.
11942 * lambda.h (lambda_transform_legal_p): ...from here.
11943 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11944 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11945 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11946 tree-chrec.o): Don't depend on VARRAY_H.
11948 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11950 * rtl.def (Copyright): Update date.
11951 (DEPS_LIST): Change type of the second operand to 'int'.
11952 * target.h (Copyright): Update date.
11953 (struct gcc_target.speculate_insn): Change type of the second parameter
11955 * lists.c (Copyright): Update date.
11956 (alloc_DEPS_LIST): Change signature. Update reference to the second
11957 operand of the DEPS_LIST.
11958 (copy_DEPS_LIST_list): Update reference to the second operand of the
11960 * rtl.h (Copyright): Update date.
11961 (alloc_DEPS_LIST): Update signature.
11962 * sched-int.h (Copyright): Update date.
11963 (ds_t): Change typedef to 'int'.
11964 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11966 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11968 * haifa-sched.c (Copyright): Update date.
11969 (try_ready): Change condition to restore non-speculative pattern
11970 of the instruction.
11971 (process_insn_depend_be_in_spec): Code to keep probability of the
11972 speculative dependence non-decreasing.
11974 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11976 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11977 shut up the compiler.
11979 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11981 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11982 to use lib prefix for target.
11983 ($(T)libic_invalidate_array_4-200.a): Likewise.
11984 ($(T)libic_invalidate_array_4a.a): Likewise.
11986 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11987 J"orn Rennecke <joern.rennecke@st.com>
11989 * superh.opt: New file.
11990 * sh.c (boardtype, osruntime): Remove.
11991 * superh.h (SUBTARGET_OPTIONS): Remove.
11992 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11994 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11995 arguments with ^ and/or [].
11997 * config.gcc (sh-*-*): Add quoting to account for quirk of
11999 Replace == with = in enable_incomplete_targets test.
12001 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
12002 with MASK_LITTLE_ENDIAN.
12004 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
12005 * config/sh/sh.opt: Added to some comments.
12006 * config/sh/superh.h: Removed some chaff.
12008 * config/sh/sh.opt: Add m4-[1234]00* options.
12009 * config/sh/sh.c (sh_handle_option): Likewise.
12010 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
12011 (ic_invalidate_array_4-100.o): New rule.
12012 ($(T)libic_invalidate_array_4-100.a): Likewise.
12013 (ic_invalidate_array_4-200.o): Likewise.
12014 ($(T)libic_invalidate_array_4-200.a): Likewise.
12015 (ic_invalidate_array_4a.o): Likewise.
12016 ($(T)libic_invalidate_array_4a.a): Likewise.
12017 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
12018 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
12020 * config/sh/crt1.asm: Merged in profiling code.
12021 * config/sh/superh.h (STARTFILE_SPEC): Override.
12022 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
12023 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
12024 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
12026 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
12027 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
12028 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
12030 * sh.opt (mpretend-cmove): New option.
12031 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
12032 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
12033 (movsicc): Add TARGET_PRETEND_CMOVE code.
12035 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
12037 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
12038 s390_class_max_nregs): New function prototypes.
12039 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
12040 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
12041 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
12042 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
12044 2006-03-26 Geoffrey Keating <geoffk@apple.com>
12046 * dwarf2out.c (add_location_or_const_value_attribute): Call
12047 tree_add_const_value_attribute if nothing else works.
12048 (reference_to_unused): New.
12049 (rtl_for_decl_init): Use reference_to_unused to decide whether
12050 to output an initializer.
12052 2006-03-27 Alan Modra <amodra@bigpond.net.au>
12055 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
12056 peephole removing spe frob_di_df_2.
12058 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
12060 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
12061 (subscript_dependence_tester_1): Declared.
12062 (print_dir_vectors, print_dist_vectors): New.
12063 (debug_data_dependence_relation): New.
12064 (dump_data_dependence_relation): Print more details.
12065 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
12066 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
12067 (save_dist_v, save_dir_v, add_outer_distances,
12068 build_classic_dist_vector_1): New.
12069 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
12070 Don't test for lambda_vector_lexico_pos.
12071 (same_access_functions, add_multivariate_self_dist,
12072 add_other_self_distances, dir_from_dist): New.
12073 (build_classic_dir_vector): Replace implementation almost identical to
12074 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
12076 (subscript_dependence_tester_1): New.
12077 (subscript_dependence_tester): Handle the lexicographically negative
12078 distance vectors by recomputing the dependence relation.
12079 (compute_affine_dependence): Remove parameter loop_nest_depth.
12080 (compute_self_dependence): Don't call compute_subscript_distance.
12081 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
12082 Add a parameter for the loop_nest.
12083 (find_loop_nest_1, find_loop_nest): New.
12084 (compute_data_dependences_for_loop): Compute the loop nest, and give
12085 up if the nest is not well formed.
12086 * tree-data-ref.h (loop_p): New.
12087 (struct data_dependence_relation): Replace size_vect field with
12088 loop_nest, a vec of loops.
12089 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
12090 (DDR_LOOP_NEST): New.
12091 (print_dir_vectors, print_dist_vectors,
12092 debug_data_dependence_relation): Declared.
12093 (index_in_loop_nest): New.
12094 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
12095 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
12098 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
12100 * simplify-rtx.c (simplify_relational_operation): Call
12101 simplify_relational_operation_1 even if mode is VOIDmode.
12103 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12105 PR tree-optimization/26804
12106 * tree.h (DECL_CALL_CLOBBERED): New macro.
12107 (tree_decl_common): Add call_clobbered_flag.
12108 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12109 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12110 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12111 (mark_non_addressable): Ditto.
12112 * tree-ssa.c (verify_call_clobbered): New function.
12113 (verify_alias_info): Use it.
12114 * tree-pass.h (pass_reset_cc_flags): New prototype.
12115 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12116 (reset_cc_flags): New function.
12117 * passes.c (init_optimization_passes): Call reset_cc_flags after
12118 initializing referenced_vars.
12120 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12121 Roger Sayle <roger@eyesopen.com>
12123 PR middle-end/26717
12124 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12125 to 1.0 for non-real operands. Implement A / A optimization for
12128 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12130 * config/i386/i386.c (size_cost): Correct the comment for
12131 cost of storing fp registers.
12132 (i386_cost): Likewise.
12133 (i486_cost): Likewise.
12134 (pentium_cost): Likewise.
12135 (pentiumpro_cost): Likewise.
12136 (k6_cost): Likewise.
12137 (athlon_cost): Likewise.
12138 (k8_cost): Likewise.
12139 (pentium4_cost): Likewise.
12140 (nocona_cost): Likewise.
12141 (generic64_cost): Likewise.
12142 (generic32_cost): Likewise.
12144 2006-03-24 Denis Chertykov <denisc@overta.ru>
12146 * config/avr/avr-protos.h (extra_constraint): Delete.
12147 (extra_constraint_Q): New declaration.
12148 * config/avr/constraints.md: New file.
12149 * config/avr/avr.md: Include it.
12150 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12151 (TMP_REGNO, ZERO_REGNO): Likewise.
12152 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12153 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12154 (extra_constraint): Delete.
12155 (extra_constraint_Q): Test for memory constraint 'Q'.
12156 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12157 (REG_CLASS_FROM_LETTER): Delete.
12158 (CONST_OK_FOR_LETTER_P): Delete.
12159 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12160 (EXTRA_CONSTRAINT): Delete.
12161 (TMP_REGNO): Delete.
12162 (ZERO_REGNO): Delete.
12164 2006-03-24 Jeff Law <law@redhat.com>
12166 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12167 directly. Call mark_new_vars_to_rename slightly earlier.
12169 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12171 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12172 (is_cxx): Likewise.
12173 (gen_compile_unit_die): Use new language types for Objective-C and
12175 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12176 DW_LANG_C_plus_plus.
12179 * config/t-darwin (crt3.o): Work around bug 26840.
12180 * config/darwin-crt3.c: Rewrite.
12181 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12183 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12185 * doc/invoke.texi: Document -femit-class-debug-always
12186 * common.opt: Add -femit-class-debug-always.
12188 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12190 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12191 index and base register.
12192 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12193 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12194 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12195 REGNO_OK_FOR_INDEX_P.
12196 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12198 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12199 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12200 REG_OK_FOR_BASE_P): Definitions removed.
12202 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12204 PR middle-end/26611
12205 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12206 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12207 set yet or weren't marked as local yet.
12209 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12211 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12214 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12216 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12217 (rs6000_legitimate_small_data_p): Delete.
12218 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12219 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12220 and make static. Add forward declaration. Update uses.
12221 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12222 of offsettable_memref_p.
12223 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12224 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12226 2006-03-24 Jeff Law <law@redhat.com>
12228 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12229 around bug in immediate-use iterator.
12231 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12234 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12235 or __LITTLE_ENDIAN__.
12237 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12239 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12240 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12241 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12242 * config/sh/sh.opt (mdiv=): Amend description.
12243 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12244 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12245 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12246 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12247 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12248 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12249 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12250 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12251 TARGET_DIVIDE_CALL_FP.
12253 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12255 * haifa-sched.c (choose_ready): Fix type of the local variable.
12256 Move local variables. Add comment.
12257 (check_reg_live): Change signature. Make callable from debugger.
12258 * sched-int.h (check_reg_live): Update signature.
12259 * sched-ebb.c (check_reg_live): Update parameters.
12260 * sched-rgn.c (check_reg_live): Ditto.
12261 (region_head_or_leaf_p): Check pointer before dereferencing.
12262 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12263 before reload on optimization levels below 1.
12265 2006-03-23 Richard Henderson <rth@redhat.com>
12267 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12271 * config/alpha/predicates.md (local_symbolic_operand): Reject
12274 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12277 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12278 expressions which have overflowed constants.
12280 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12282 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12284 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12286 * cfgloopmanip.c (create_loop_notes): Removed.
12287 * final.c (final_scan_insn): Do not handle loop notes.
12288 * jump.c (squeeze_notes): Ditto.
12289 * cfglayout.c (skip_insns_after_block,
12290 duplicate_insn_chain): Ditto.
12291 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12293 * cfgloop.h (create_loop_notes): Declaration removed.
12295 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12297 * varasm.c (output_constant_pool): Restore fnname and fndecl
12299 (assemble_start_function): Adjust call accordingly.
12300 (assemble_end_function): Likewise.
12302 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12305 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12308 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12310 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12313 * system.h (ICE_EXIT_CODE): New macro.
12314 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12315 (diagnostic_action_after_output): Likewise.
12316 * gcc.c (fatal_ice): New function.
12317 (execute): Use it instead of fatal.
12318 (fancy_abort): Likewise.
12319 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12321 2006-03-22 Jeff Law <law@redhat.com>
12323 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12324 iv_analyze_result returning false.
12326 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12328 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12330 2006-03-22 Richard Henderson <rth@redhat.com>
12332 PR middle-end/26084
12333 * except.c (duplicate_eh_regions_0): New.
12334 (duplicate_eh_region_1): Duplicate the children of the node as
12335 well as the node itself. Link them up properly.
12336 (duplicate_eh_region_2): Merge into ...
12337 (duplicate_eh_regions): ... here. Take copy_region argument, and
12338 copy only a sub-tree if asked. Simplify copying and fixup.
12339 (eh_region_outer_p): New.
12340 * except.h (duplicate_eh_regions): Update decl.
12341 (eh_region_outer_p): Declare.
12342 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12343 (lower_omp_master): Likewise.
12344 (lower_omp_ordered): Likewise.
12345 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12346 (move_stmt_r): Use it to remap labels. Handle recursion vs
12347 remap_decls_p properly.
12348 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12349 (find_outermost_region_in_block): New.
12350 (new_label_mapper): New.
12351 (move_sese_region_to_fn): Copy eh information to the new function
12353 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12355 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12358 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12360 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12361 into shared libraries.
12363 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12365 * doc/md.texi: Refer to i386/constraints.md instead of
12366 i386/predicates.md.
12367 * config/i386/constraints.md: New file, extracted from...
12368 * config/i386/predicates.md: ...here.
12369 * config/i386/i386.md: Include constraints.md.
12371 2006-03-21 Jason Merrill <jason@redhat.com>
12373 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12375 PR middle-end/20297
12376 * expr.c (init_block_move_fn): Force default visibility.
12377 (init_block_clear_fn): Likewise.
12378 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12379 * targhooks.c (default_external_stack_protect_fail): Likewise.
12381 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12383 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12384 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12385 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12386 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12387 (loadgp): Use mips_current_loadgp_style.
12388 (loadgp_noshared): New pattern.
12389 (sibcall_internal): Use MIPS_CALL.
12390 (sibcall_value_internal): Likewise.
12391 (sibcall_value_multiple_internal): Likewise.
12392 (call_internal): Likewise.
12393 (call_value_internal): Likewise.
12394 (call_value_multiple_internal): Likewise.
12395 (call_split): Use MIPS_CALL and add an 'S' constraint.
12396 (call_value_split): Likewise.
12397 (call_value_multiple_split): Likewise.
12398 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12399 (-mshared): New option.
12400 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12401 (mips_current_loadgp_style): Declare.
12402 * config/mips/mips.c (mips_classify_symbol): Avoid using
12403 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12404 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12405 TARGET_ABSOLUTE_ABICALLS.
12406 (override_options): Adjust comments. Improve the warning that is
12407 issued when -mabicalls and -G are used together.
12408 (mips_file_start): Remove comment.
12409 (mips_current_loadgp_style): New function.
12410 (mips_gnu_local_gp): New variable.
12411 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12413 (mips_output_function_prologue): Use mips_current_laodgp_style.
12414 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12415 the cprestore instruction.
12416 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12417 live for TARGET_ABSOLUTE_ABICALLS.
12418 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12419 (ASM_SPEC): Pass down -mshared and -mno-shared.
12420 (MIPS_CALL): New macro.
12421 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12423 * doc/invoke.texi (-mabicalls): Update documentation.
12424 (-mshared): Document.
12426 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12428 * config/ia64/unwind-hpux.c: New file.
12429 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12431 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12434 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12436 2006-03-21 Jeff Law <law@redhat.com>
12438 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12439 type conversions of a VR_VARYING source to a wider type.
12441 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12443 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12444 tm_file on Solaris 10 and later.
12445 (sparc64-*-solaris2*): Likewise.
12446 (sparc-*-solaris2*): Likewise.
12447 * config/sol26.h: Rename to config/sol2-6.h.
12448 * config/sol2-10.h: New file.
12450 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12453 * tree-ssa-pre.c (create_component_ref_by_pieces):
12456 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12459 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12460 return it immediately.
12462 2006-03-21 Michael Matz <matz@suse.de>
12464 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12466 (remove_arc, add_arc): Update num_out_arcs member.
12467 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12469 (cache_presence): New function.
12470 (compare_states_for_equiv): New function.
12471 (state_is_differed): Don't take number of outargs, adjust callers.
12472 Use new invariant for speeding up.
12473 (init_equiv_class): Create initial classes based on sorted
12475 (partition_equiv_class): Don't track out_arcs_num.
12476 (evaluate_equiv_classes): Call cache_presence on all states and
12479 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12481 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12482 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12483 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12484 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12486 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12487 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12488 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12489 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12490 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12492 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12493 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12494 (REGNO_REG_CLASS): ARGP is in PREGS.
12495 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12497 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12498 to deal with those addresses.
12499 * addresses.h: New file.
12500 * caller-save.c: Include "addresses.h".
12501 (init_caller_save): Use new base_reg_class function.
12502 * rtl-factoring.c: Include "addresses.h".
12503 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12504 * recog.c: Include "addresses.h".
12505 (preprocess_constraints): Use new base_reg_class function.
12506 * regrename.c: Include "addresses.h".
12507 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12508 functions. Keep track of a new var INDEX_CODE to compute valid
12510 (replace_oldest_value_addr): Likewise.
12511 (replace_oldest_value_mem): Use base_reg_class.
12512 * reload.c: Include "addresses.h".
12513 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12514 (find_reloads): Use new base_reg_class function.
12515 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12516 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12517 all callers and prototype changed.
12518 * reload1.c: Include "addresses.h".
12519 (maybe_fix_stack_asms): Use base_reg_class.
12520 * regclass.c: Include "addresses.h".
12521 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12522 (init_reg_autoinc): Use new base_reg_class function.
12523 (record_reg_classes): Likewise.
12524 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12525 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12526 Use new args to compute necessary class.
12528 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12529 regrename.o, rtl-factoring.o): Update dependencies.
12530 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12531 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12532 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12533 REG_OK_FOR_INDEX_P): Delete documentation.
12535 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12537 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12538 from V7 to V9 for Solaris 7 and above.
12540 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12542 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12543 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12544 argument pointers may not alias any other storage.
12545 * common.opt: Define option -fargument-noalias-anything.
12546 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12547 alias semantics is specified by flag_argument_noalias > 2.
12549 2006-03-20 Jeff Law <law@redhat.com>
12551 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12552 (pass_phi_only_cprop): Declare.
12553 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12554 with phi_only_cprop
12555 * tree-ssa-dom.c (degenerate_phi_result): New function.
12556 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12557 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12558 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12559 (eliminate_degenerate_phis): Likewise.
12560 (pass_phi_only_cprop): New pass descriptor.
12561 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12562 support code. Callers updated.
12563 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12564 (store_copy_prop): Likewise.
12565 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12567 2006-03-20 Jason Merrill <jason@redhat.com>
12570 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12571 (push_visibility, pop_visibility): Likewise.
12572 * c-pragma.h: Declare them.
12574 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12576 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12578 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12579 parameter and use get_ebb_head_tail.
12580 (sh_md_init_global): Adjust uses of find_regmode_weight.
12582 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12584 * function.h (struct function) <x_tail_recursion_reentry>:
12585 Rename to x_stack_check_probe_note.
12586 (tail_recursion_reentry): Rename to stack_check_probe_note.
12587 * function.c: Replace tail_recursion_reentry with
12588 stack_check_probe_note everywhere.
12589 (expand_function_start): Only emit a note for
12590 stack_check_probe_note with -fstack-protect.
12591 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12593 * emit-rtl.c (remove_unnecessary_notes): Remove.
12594 (pass_remove_unnecessary_notes): Remove.
12595 * rtl.h (remove_unnecessary_notes): Remove prototype.
12596 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12597 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12598 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12600 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12603 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12604 (valid_in_set): Handle ARRAY_REF.
12605 Change "if min_variant or VH" to asserts.
12606 (create_component_ref_by_pieces): Handle ARRAY_REF.
12607 (create_expression_by_pieces): Likewise.
12608 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12610 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12612 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12613 is operand of switch, not str[0].
12615 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12617 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12618 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12620 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12622 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12623 end of insn_extra_address_constraint declaration.
12625 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12627 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12628 (no-sum-in-toc): Same.
12629 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12631 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12632 NO_FP_IN_TOC for -fPIC instead of mask.
12634 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12635 (BOOT_LDFLAGS): Delete.
12637 * config/rs6000/t-aix52: Same.
12639 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12640 (stmsi[345678]_power): New.
12642 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12644 * config/ia64/ia64.opt: Add empty line to end of file.
12646 2006-03-17 Richard Guenther <rguenther@suse.de>
12648 PR middle-end/26721
12649 * builtins.c (get_pointer_alignment): For component style references
12650 adjust alignment to the component type alignment. Make sure
12651 to adjust alignment for component access of constants.
12653 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12655 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12656 unconditional jump.
12658 2006-03-17 Paul Brook <paul@codesourcery.com>
12660 * doc/install.texi: Docuemnt --with-mode.
12661 * config.gcc: Add --with-mode for arm*-*-*.
12662 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12664 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12666 * sh.c (max_labelno_before_reorg): New variable.
12667 (sh_reorg): Initialize it.
12668 (find_barrier): Check max_labelno_before_reorg before using
12669 label_to_alignment. Take length of explicit alignment insns
12670 into account. When seeing a UNSPECV_CONST_END, return it.
12672 * sh.c (fixup_mova): Set mode of affected label to QImode.
12673 (untangle_mova): New function.
12674 (find_barrier): Use it. Check mode of label before decrementing
12676 (sh_reorg): Likewise.
12677 Set mode of all insns back to VOIDmode.
12679 * sh.c (MOVA_LABELREF): New macro.
12680 (mova_p, fixup_mova, sh_reorg): Use it.
12681 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12682 ADDR_DIFF_VEC matches mova.
12684 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12686 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12687 with ATTRIBUTE_UNUSED.
12689 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12691 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12692 pointer, instead of assuming it is possible to derive the
12693 correct args size from a call insn.
12695 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12697 * rtl.h (CONST_INT_P): Define.
12698 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12699 instead of GET_CODE(x) == CONST_INT.
12700 (vax_rtx_costs): Likewise.
12701 (vax_output_int_move): Likewise.
12702 (vax_output_int_add): Likewise.
12703 (legitimate_constant_address_p): Likewise.
12704 (index_term_p): Likewise.
12705 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12706 * config/vax/vax.md (and<mode>3): Likewise.
12707 (ashrsi3): Likewise.
12709 (movstricthi): Likewise.
12710 (movstrictqi): Likewise.
12711 (rotrsi3): Likewise.
12712 (five unnamed insns): Likewise.
12714 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12716 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12717 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12718 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12719 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12720 Pass to ASM_OUTPUT_DWARF_OFFSET.
12721 * dwarf2out.c (debug_frame_section): New.
12722 (output_call_frame_info): Use debug_frame_section. Pass it to
12723 dw2_asm_output_offset.
12724 (output_die): Pass appropriate section to dw2_asm_output_offset.
12725 (output_compilation_unit_header): Likewise.
12726 (output_pubnames): Likewise.
12727 (output_aranges): Likewise.
12728 (enum dw_val_class): Break dw_val_class_lbl_offset into
12729 dw_val_class_lineptr and dw_val_class_macptr.
12730 (add_AT_lbl_offset): Delete.
12731 (add_AT_lineptr): New.
12732 (add_AT_macptr): New.
12733 (AT_lbl): Expect a lineptr or macptr.
12734 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12735 (attr_checksum): Likewise.
12736 (same_dw_val_p): Likewise.
12737 (size_of_die): Likewise.
12738 (value_format): Likewise.
12739 (output_die): Likewise.
12740 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12742 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12743 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12744 * config/darwin-protos.h (darwin_file_start): New.
12745 (darwin_asm_output_dwarf_offset): New.
12746 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12747 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12749 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12750 if not EH section; simplify.
12751 (darwin_file_start): New.
12752 (darwin_asm_output_dwarf_offset): New.
12753 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12755 (DEBUG_INFO_SECTION): Likewise.
12756 (DEBUG_ABBREV_SECTION): Likewise.
12757 (DEBUG_ARANGES_SECTION): Likewise.
12758 (DEBUG_MACINFO_SECTION): Likewise.
12759 (DEBUG_LINE_SECTION): Likewise.
12760 (DEBUG_LOC_SECTION): Likewise.
12761 (DEBUG_PUBNAMES_SECTION): Likewise.
12762 (DEBUG_STR_SECTION): Likewise.
12763 (DEBUG_RANGES_SECTION): Likewise.
12764 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12765 (ASM_OUTPUT_DWARF_OFFSET): New.
12767 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12769 * config.gcc (tm_defines): Always add to previous value rather
12772 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12774 * config/mips/predicates.md (splittable_const_int_operand): New,
12775 split from move_operand.
12776 (splittable_symbolic_operand): New.
12777 (move_operand): Add commentary. Use splittable_const_int_operand.
12778 Inline mips_atomic_symbolic_constant_p.
12779 * config/mips/mips.md: Add combine splitters for handling moves
12780 of splittable_const_int_operands and splittable_symbolic_operands.
12781 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12782 (mips_split_symbol): Declare.
12783 (mips_move_integer): Declare.
12784 * config/mips/mips.c (mips_split_p): Make global.
12785 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12786 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12787 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12788 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12789 (mips_offset_within_object_p): Handle block symbols.
12790 (mips_atomic_symbolic_constant_p): Delete.
12791 (mips_cannot_force_const_mem): Return false for constants that
12792 mips_legitimize_move can handle.
12793 (mips_use_blocks_for_constant_p): New function.
12794 (mips_split_symbol): Make global.
12795 (mips_move_integer): Likewise. Add a temporary register argument.
12796 (mips_legitimize_const_move): Use splittable_const_int_operand and
12797 splittable_symbolic_operand.
12798 (mips_use_anchors_for_symbol_p): New function.
12799 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12800 (mips_split_p): Declare.
12802 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12804 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12805 (mips*-*-linux*): Likewise.
12807 2006-03-16 Roger Sayle <roger@eyesopen.com>
12808 Daniel Speyer <dspeyer@wam.umd.edu>
12810 PR middle-end/18259
12811 * tree-dump.c (dump_real): New function.
12812 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12813 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12814 (tree-dump.o): Add $(REAL_H) to the dependencies.
12816 2006-03-16 Roger Sayle <roger@eyesopen.com>
12818 PR middle-end/21781
12819 * real.c (real_from_string): If the mantissa is zero, don't bother
12820 parsing the exponent as the result should always be zero.
12822 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12824 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12826 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12828 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12829 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12830 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12831 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12832 ia64_sched_finish_global): New static functions to implement
12833 hooks from gcc_target.sched.
12834 (spec_check_no, max_uid, pending_data_specs): New static variables.
12835 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12836 ia64_spec_check_src_p): New static functions.
12837 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12838 (TARGET_SCHED_ADJUST_COST): Removed.
12839 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12840 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12841 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12842 TARGET_SCHED_GEN_CHECK,
12843 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12844 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12845 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12846 Fixed to handle speculation checks.
12847 (rtx_needs_barrier): Fixed to handle speculative loads and
12849 (ia64_variable_issue): Added code to count speculative loads and their
12851 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12853 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12855 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12857 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12858 (ia64_reorg): Reset stops_p to NULL after it is freed.
12859 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12860 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12861 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12863 (data_speculative, control_speculative, check_load): New attributes.
12864 (mov<mode>_advanced, mov<mode>_speculative,
12865 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12866 zero_extend<mode>di2_speculative,
12867 zero_extend<mode>di2_speculative_advanced): New patterns for
12868 data and control speculative loads.
12869 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12871 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12872 New pattern for data and control speculation checks.
12873 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12874 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12875 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12876 Auxiliary definitions for the patterns.
12877 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12878 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12880 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12882 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12883 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12884 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12885 New resource constraints.
12886 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12888 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12889 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12890 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12891 msched-in-control-spec, msched-ldc, msched-control-ldc,
12892 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12893 msched-prefer-non-control-spec-insns,
12894 msched-count-spec-in-critical-path): New flags to tune speculative
12896 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12897 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12898 msched-in-control-spec, msched-ldc, msched-control-ldc,
12899 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12900 msched-prefer-non-control-spec-insns,
12901 msched-count-spec-in-critical-path): Document new flags.
12903 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12905 * target.h (struct spec_info_def): New opaque declaration.
12906 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12907 speculate_insn, needs_block_p, gen_check,
12908 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12909 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12910 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12911 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12912 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12913 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12915 (TARGET_SCHED): Use new macros.
12916 * rtl.h (copy_DEPS_LIST_list): New prototype.
12917 * sched-int.h (struct sched_info): Change signature of new_ready field,
12918 adjust all initializations. New fields: add_remove_insn,
12919 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12920 region_head_or_leaf_p.
12921 (struct spec_info_def): New structure declaration.
12922 (spec_info_t): New typedef.
12923 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12924 recovery_block, orig_pat.
12925 (glat_start, glat_end): New variables declaraions.
12926 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12928 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12929 DETACH_LIFE_INFO, USE_GLAT.
12930 (enum SPEC_SCHED_FLAGS): New enumeration.
12931 (NOTE_NOTE_BB_P): New macro.
12932 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12933 attach_life_info, debug_spec_status, check_reg_live): New functions.
12934 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12935 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12937 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12938 * ddg.c (get_block_head_tail): Adjust all uses.
12939 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12940 (sms_sched_info): Initialize new fields.
12941 (contributes_to_priority): Removed.
12942 * haifa-sched.c (params.h): New include.
12943 (get_block_head_tail): Adjust all uses.
12944 (ISSUE_POINTS): New macro.
12945 (glat_start, glat_end): New global variables.
12946 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12947 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12948 old_last_basic_block, before_recovery, current_sched_info_var,
12949 rgn_n_insns, luid): New static variables.
12950 (insn_cost1): New function. Move logic from insn_cost to here.
12951 (find_insn_reg_weight1): New function. Move logic from
12952 find_insn_reg_weight to here.
12953 (reemit_notes, move_insn, max_issue): Change signature.
12954 (move_insn1): Removed.
12955 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12956 extend_bb): New static functions to support extension of scheduler's
12958 (generate_recovery_code, process_insn_depend_be_in_spec,
12959 begin_speculative_block, add_to_speculative_block,
12960 init_before_recovery, create_recovery_block, create_check_block_twin,
12961 fix_recovery_deps): New static functions to support
12962 generation of recovery code.
12963 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12964 restore_bb_notes, move_block_after_check, move_succs): New static
12965 functions to support ebb scheduling.
12966 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12967 functions to support handling of register live information.
12968 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12969 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12970 add_jump_dependencies): New static functions.
12971 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12972 consistancy checking.
12973 (debug_spec_status): New function to call from debugger.
12974 (priority): Added code to handle speculation checks.
12975 (rank_for_schedule): Added code to distinguish speculative instructions.
12976 (schedule_insn): Added code to handle speculation checks.
12977 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12978 Fixed to handle ebbs.
12979 (move_insn): Added code to handle ebb scheduling.
12980 (max_issue): Added code to use ISSUE_POINTS of instructions.
12981 (choose_ready): Added code to choose between speculative and
12982 non-speculative instructions.
12983 (schedule_block): Added code to handle ebb scheduling and scheduling of
12984 speculative instructions.
12985 (sched_init): Initialize new variables.
12986 (sched_finish): Free new variables. Print statistics.
12987 (try_ready): Added code to handle speculative instructions.
12988 * lists.c (copy_DEPS_LIST_list): New function.
12989 * sched-deps.c (extend_dependency_caches): New function. Move logic
12990 from create_dependency_caches to here.
12991 (get_dep_weak, ds_merge): Make global.
12992 * genattr.c (main): Code to output prototype for
12993 dfa_clear_single_insn_cache.
12994 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12995 (output_dfa_clean_insn_cache_func): Code to output
12996 dfa_clear_single_insn_cache function.
12997 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12999 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
13001 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
13002 New static variables.
13003 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
13004 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
13006 (ebb_sched_info): Initialize new fields.
13007 (get_block_head_tail): Adjust all uses.
13008 (compute_jump_reg_dependencies): Fixed to use glat_start.
13009 (schedule_ebb): Code to remove unreachable last block.
13010 (schedule_ebbs): Added code to update register live information.
13011 * sched-rgn.c (region_sched_info): Initialize new fields.
13012 (get_block_head_tail): Adjust all uses.
13013 (last_was_jump): Removed. Adjust users.
13014 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
13015 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
13016 Implement new hooks.
13017 (check_dead_notes1): New static function.
13018 (struct region): New fields: dont_calc_deps, has_real_ebb.
13019 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
13020 (BB_TO_BLOCK): Fixed to handle EBBs.
13021 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
13022 (ebb_head): New static variable.
13023 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
13024 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
13026 (compute_dom_prob_ps): New assertion.
13027 (check_live_1, update_live_1): Fixed to work with glat_start instead of
13028 global_live_at_start.
13029 (init_ready_list): New assertions.
13030 (can_schedule_ready_p): Split update code to begin_schedule_ready.
13031 (new_ready): Add support for BEGIN_CONTROL speculation.
13032 (schedule_insns): Fixed code that updates register live information
13034 (schedule_region): Fixed to handle EBBs.
13035 (init_regions): Use extend_regions and check_dead_notes1.
13036 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
13037 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
13038 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
13039 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13040 TARGET_SCHED_GEN_CHECK,
13041 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13042 TARGET_SCHED_SET_SCHED_FLAGS): Document.
13043 * doc/invoke.texi (max-sched-insn-conflict-delay,
13044 sched-spec-prob-cutoff): Document.
13046 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13048 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
13049 inter_tick, queue_index.
13050 (struct sched_info): Change signature of init_ready_list field.
13051 Adjust all initializations.
13052 (RESOLVED_DEPS): New access macro.
13053 (ready_add): Remove prototype.
13054 (try_ready): Add prototype.
13055 * sched-rgn.c (init_ready_list): Use try_ready.
13056 (schedule_region): Initialize
13057 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
13058 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
13059 (init_ready_list): Use try_ready.
13060 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
13061 * lists.c (remove_list_elem): Remove `static'.
13062 (remove_free_INSN_LIST_elem): New function.
13063 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
13064 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
13065 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
13067 (readyp): New variable.
13068 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
13069 change_queue_index, resolve_dep): New static functions.
13070 (try_ready): New function. Adjust callers in sched-rgn.c and
13071 sched-ebb.c to use it instead of ready_add.
13072 (clock_var): Move at the begining of file.
13073 (rank_for_schedule): Fix typo.
13074 (queue_insn): Add assertion. Handle QUEUE_INDEX.
13075 (ready_lastpos): Enforce assertion.
13076 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
13077 update all callers.
13078 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
13079 (schedule_insn): Rewrite to use try_ready and resolve_dep.
13080 (queue_to_ready): Use free_INSN_LIST_list.
13081 (early_queue_to_ready): Fix typo.
13082 (schedule_block): Init readyp. Move init_ready_list call after the
13083 initialization of clock_var. Fix error in rejecting insn by
13084 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
13085 that previously corrected INSN_TICKs. Add code for handling
13087 (set_priorities): Fix typo.
13088 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
13089 Clarify comment and code that keeps current_sched_info->next_tail
13092 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13094 * sched-rgn.c (extend_rgns): New static function.
13095 (find_rgns): Use it.
13096 (gather_region_statistics, print_region_statistics): New static
13098 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
13099 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
13101 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13102 Andrey Belevantsev <abel@ispras.ru>
13104 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13105 * lists.c (unused_deps_list): New variable.
13106 (free_list): Add assertions to verify the proper distinguishing
13107 between INSN_LISTs and DEPS_LISTs.
13108 (find_list_elem, remove_list_elem, remove_list_node): New static
13110 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13111 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13112 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13113 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13115 (free_INSN_LIST_node): Likewise.
13116 * modulo-sched.c (current_sched_info): Initialize flags field.
13117 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13118 * rtl.def (DEPS_LIST): Define.
13119 * rtl.h: Declare new functions from lists.c.
13120 * sched-deps.c (spec_dependency_cache): New static variable.
13121 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13122 (add_dependence): Change return type to void. Move the logic to ...
13123 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13124 (delete_all_dependences): Add comment about forward_dependency_cache.
13125 Handle spec_dependency_cache. Handle DEPS_LISTs.
13126 (fixup_sched_groups): Clarify the change of priority of output
13127 and anti dependencies.
13128 (sched_analyze_2): Adjust add_dependence calls to create data
13129 speculative dependence.
13130 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13131 Adjust all callers. Handle DEPS_LISTS.
13132 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13133 presence of speculation.
13134 (init_dependency_caches, free_dependency_caches):
13135 Handle spec_dependency_cache.
13136 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13137 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13138 New static functions.
13139 (add_or_update_back_dep, add_or_update_back_forw_dep,
13140 add_back_forw_dep, delete_back_forw_dep): New functions.
13141 * sched-int.h (ds_t, dw_t): New typedefs.
13142 (struct sched_info): Add new field flags.
13143 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13144 Prototype new sched-deps.c functions.
13145 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13146 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13147 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13148 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13149 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13150 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13152 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13154 * sched-rgn.c (current_sched_info): Initialize flags field.
13155 (schedule_insns): Initialize current_sched_info before the sched_init
13157 * sched-ebb.c (current_sched_info): Initialize flags field.
13158 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13159 Call add_or_update_back_dep instead of add_dependence.
13160 Create control speculative dependencies.
13161 (schedule_insns): Initialize current_sched_info before the sched_init
13164 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13166 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13168 (sh_fallback_frame_state): Likewise.
13170 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13172 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13173 Do switch on default_use_cxa_atexit.
13174 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13175 * config/darwin-crt3.o: New.
13176 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13177 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13178 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13180 * config/rs6000/t-darwin: Move crt2.o building to here.
13181 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13182 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13185 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13187 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13188 from '! xxx' to '!xxx' for coding-style conformance.
13189 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13190 (EXTRA_CONSTRAINT): Likewise.
13191 * config/vax/vax.md (four unnamed insns): Likewise.
13193 2006-03-15 Paul Brook <paul@codesourcery.com>
13195 * config/arm/arm.c (minipool_pad): New.
13196 (add_minipool_forward_ref): Include pool alignment padding in address
13198 (push_minipool_fix): Set minipool_pad.
13199 (minipool_pad): Ditto.
13201 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13203 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13204 instead of GET_CODE() == MEM and REG_P() instead of
13206 (print_operand_address): Likewise.
13207 (vax_address_cost): Likewise.
13208 (vax_rtx_costs): Likewise.
13209 (vax_notice_update_cc): Likewise.
13210 (vax_output_int_add): Likewise.
13211 (INDEX_REGISTER_P): Likewise.
13212 (BASE_REGISTER_P): Likewise.
13213 (nonindexed_address_p): Likewise.
13214 (vax_mode_dependent_address_p): Likewise.
13215 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13216 (PRINT_OPERAND): Likewise.
13217 * config/vax/vax.md (ashlsi3): Likewise.
13218 (ashlsi3): Likewise.
13219 (some more unnamed insns): Likewise.
13221 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13223 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13224 iterator-style macro.
13225 (mark_control_dependent_edges_necessary): Update the use of
13226 EXECUTE_IF_CONTROL_DEPENDENT.
13228 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13230 * config/sh/predicates.md (cache_address_operand): Special.
13231 (ua_address_operand): Likewise.
13233 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13235 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13237 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13239 2006-03-15 Andreas Schwab <schwab@suse.de>
13241 * gensupport.c (identify_predicable_attribute): Don't free p_false
13242 when it is still in use.
13244 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13246 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13247 the default setting here.
13249 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13251 * tree-pass.h (pass_cfg): Remove.
13252 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13253 * passes.c (pass_cfg): Don't run it.
13255 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13257 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13258 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13260 (stack_regs_mentioned): Update the uses of
13261 stack_regs_mentioned_data. Don't access the array beyond its
13263 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13264 Don't include gt-reg-stack.h.
13266 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13267 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13269 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13271 PR middle-end/26684
13272 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13275 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13277 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13279 2006-03-14 Richard Guenther <rguenther@suse.de>
13281 PR tree-optimization/26672
13282 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13285 2006-03-14 Richard Guenther <rguenther@suse.de>
13287 PR tree-optimization/26667
13288 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13289 node for the callees. Always allow inlining if it will shrink
13292 2006-03-14 Richard Guenther <rguenther@suse.de>
13294 PR middle-end/26659
13295 * builtins.c (get_pointer_alignment): Prefer alignment
13296 information from decls over that from types.
13298 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13301 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13303 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13305 * config/rs6000/rs6000.opt (mdlmzb): New option.
13306 (msched-prolog, msched-epilog): Use Var not Mask.
13307 * doc/invoke.texi (-mdlmzb): Document.
13308 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13310 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13311 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13313 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13315 PR rtl-optimization/25739
13316 * bt-load.c (augment_live_range): Free tos pointer.
13318 * gensupport.c (identify_predicable_attribute): Free
13320 * gcov.c (create_file_names): Free name pointer.
13322 2006-03-13 Roger Sayle <roger@eyesopen.com>
13324 PR middle-end/26557
13325 * stmt.c (emit_case_nodes): Handle the case where the index is a
13326 CONST_INT, where the comparison mode is specified by the index type.
13328 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13330 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13333 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13335 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13336 (*branch_fp_inverted): Likewise.
13338 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13340 PR middle-end/25989
13341 * omp-low.c (expand_omp_for_generic): Mark istart0
13342 and iend0 as addressable.
13344 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13346 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13348 2006-03-13 Jeff Law <law@redhat.com>
13350 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13351 virtual operands are interesting.
13352 (vrp_visit_stmt): Corresponding changes.
13354 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13356 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13358 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13359 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13360 * config/bfin/crti.S: Use it instead of __PIC__.
13361 * config/bfin/crtn.S: Likewise.
13363 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13364 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13366 Lose 'G' modifier for call operand.
13367 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13368 recognize 'G' modifier.
13370 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13372 PR middle-end/18859
13373 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13374 * stmt.c (expand_case): Likewise.
13376 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13378 PR rtl-optimization/26254
13379 * loop-invariant.c (seq_insns_valid_p): New function.
13380 (move_invariant_reg): Only emit new code if it is valid.
13382 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13384 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13386 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13387 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13388 (commit_one_edge_insertion): Do not look for loop notes.
13390 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13392 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13393 flag_test_coverage out of loop.
13395 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13397 * final.c (shorten_branches): Remove outdated comment, and turn
13398 the if branch that guards it to continue.
13400 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13402 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13403 * cfgloop.h (struct loop): Remove unused fields.
13405 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13407 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13408 (-dL, -fdump-rtl-loop2): Update the dump file names
13410 * doc/invoke.texi: Update dump file names.
13412 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13414 * predict.c (estimate_probability): Remove.
13415 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13416 * basic-block.h (estimate_probability): Remove prototype.
13417 * passes.c (finish_optimization_passes): Dump branch prediction or
13418 profiling heuristics to the .profile tree dump.
13419 (init_optimization_passes): Unqueue pass_branch_prob.
13421 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13423 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13425 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13426 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13428 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13430 * function.h (frame_offset_overflow): Declare.
13431 * function.c (frame_offset_overflow): New function.
13432 (assign_stack_local_1): Call it to detect that the offset overflows.
13433 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13435 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13437 * config/sh/sh.c: Include alloc-pool.h.
13438 (label_ref_list_pool): New alloc pool.
13439 (label_ref_list_t): New type for lists of labels.
13440 (struct pool_node): Make wend a label_ref_list_t.
13441 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13443 (dump_table): Likewise.
13444 (sh_reorg): Set up the alloc pool before using add_constant and
13445 dump_table, and destroy it when finishing.
13447 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13449 * config/mips/mips.c: Remove redundant comment.
13451 2006-03-10 Jason Merrill <jason@redhat.com>
13454 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13455 the target was declared 'register'.
13457 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13459 * genpreds.c (write_insn_constraint_len): Change definition of
13460 insn_constraint_len to return size_t to match the declaration.
13462 2006-03-10 DJ Delorie <dj@redhat.com>
13464 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13466 (m32c_expand_insv): Fix test for an AND mask.
13468 2006-03-10 Richard Guenther <rguenther@suse.de>
13470 PR middle-end/26565
13471 * builtins.c (get_pointer_alignment): Handle component
13472 references for field alignment.
13474 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13476 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13477 when building with libgloss.
13478 (sh*elf): Implement --without-fp option.
13479 (sh64-superh-linux*): Don't multilib.
13481 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13483 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13485 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13487 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13488 Set it when one of the replacement functions returned true.
13489 Return TODO_cleanup_cfg if cfgchanged is true.
13490 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13492 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13494 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13495 instead of gen_lowpart.
13497 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13499 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13501 (mips_output_order_conditional_branch): Declare.
13502 * config/mips/mips.h (MIPS_BRANCH): New macro.
13503 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13504 for the comparison. Use gen_condjump.
13505 (mips_output_conditional_branch): Rework interface to take the
13506 asm templates for a direct branch and the inverse of a direct branch.
13507 (mips_output_order_conditional_branch): New function.
13508 (mips_builtin_branch_and_move): New function.
13509 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13510 branch condition. Use gen_single_cc as the condition for
13511 __builtin_mips_upper_* or __builtin_mips_lower_*.
13512 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13513 Use VOIDmode for the branch condition.
13514 * config/mips/predicates.md (order_operator): New predicate.
13515 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13516 (branch_fp): Rename to...
13517 (*branch_fp): ...this. Remove mode from comparison operator.
13518 Use new mips_output_conditional_branch interface.
13519 (branch_fp_inverted): Rename to...
13520 (*branch_fp_inverted): ...this and update as for *branch_fp.
13521 (*branch_zero<mode>): Rename to...
13522 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13523 Use mips_output_order_conditional_branch. Only accept ordered
13525 (*branch_zero<mode>_inverted): Rename to...
13526 (*branch_order<mode>_inverted): ...this and update as for
13527 *branch_order<mode>.
13528 (*branch_equality<mode>): Accept zero as the second operand to
13529 the equality operator. Use the new mips_output_conditional_branch
13531 (*branch_equality<mode>_inverted): Likewise.
13532 (condjump): New expander.
13533 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13535 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13536 (bc1any2t, bc1any2f): Likewise.
13537 (single_cc): New expander.
13538 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13540 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13542 * doc/md.texi: Update documentation of MIPS constraints.
13543 * config/mips/constraints.md: New file.
13544 * config/mips/mips.md: Include it.
13545 * config/mips/mips.c (mips_char_to_class): Delete.
13546 (override_options): Don't initialize mips_char_to_class.
13547 * config/mips/mips.h (mips_char_to_class): Delete.
13548 (REG_CLASS_FROM_LETTER): Delete.
13549 (CONST_OK_FOR_LETTER_P): Delete.
13550 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13551 (EXTRA_CONSTRAINT_Y): Delete.
13552 (EXTRA_CONSTRAINT_STR): Delete.
13553 (CONSTRAINT_LEN): Delete.
13554 (EXTRA_MEMORY_CONSTRAINT): Delete.
13556 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13558 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13559 original fn's eh regions.
13561 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13563 * fold-const.c (build_range_check): Make sure to use a valid type to
13564 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13567 (range_predecessor): New static function.
13568 (range_successor): Likewise.
13569 (merge_ranges): Use them to compute predecessors and successors of
13572 2006-03-09 Roger Sayle <roger@eyesopen.com>
13574 PR middle-end/26561
13575 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13576 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13578 2006-03-08 DJ Delorie <dj@redhat.com>
13580 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13581 (addpsi3): Expand to include memory operands. Remove
13582 reload-specific splits.
13583 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13584 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13585 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13586 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13587 (shift1_qi, shift1_hi, insv): New.
13588 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13589 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13590 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13592 * config/m32c/m32c-protos.h: Update as needed.
13593 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13594 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13595 Fail for unrecognized R* constraints.
13596 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13597 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13598 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13600 (m32c_init_libfuncs): New.
13601 (m32c_legitimate_address_p): Add debug wrapper.
13602 (m32c_rtx_costs): New.
13603 (m32c_address_cost): New.
13604 (conversions): Add 'B' prefix.
13605 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13606 operands, or word regnames for QI operands. 'B' prints bit
13608 (m32c_expand_setmemhi): New.
13609 (m32c_expand_movmemhi): New.
13610 (m32c_expand_movstr): New.
13611 (m32c_expand_cmpstr): New.
13612 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13613 (m32c_expand_neg_mulpsi3): Handle non-ints.
13614 (m32c_cmp_flg_0): New.
13615 (m32c_expand_movcc): New.
13616 (m32c_expand_insv): New.
13617 (m32c_scc_pattern): New.
13618 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13619 a0/a1 out of SIregs.
13620 (STORE_FLAG_VALUE): New.
13621 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13624 * config/m32c/mov.md: Make constraints more liberal.
13625 (zero_extendqihi2): Optimize r0/r1 case.
13626 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13627 * config/m32c/predicates.md (m32c_any_operand): New.
13628 (m32c_nonimmediate_operand): New.
13629 (m32c_hl_operand): New.
13630 (m32c_r3_operand): New.
13633 (memsym_operand): New.
13634 (memimmed_operand): New.
13635 (a_qi_operand): New.
13636 (m32c_eqne_operator): New.
13637 (m32c_1bit8_operand): New.
13638 (m32c_1bit16_operand): New.
13639 (m32c_1mask8_operand): New.
13640 (m32c_1mask16_operand): New.
13641 * config/m32c/blkmov.md: New file.
13642 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13644 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13646 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13647 unsigned to fix signed/unsigned comparison issue in
13648 DWARF2_FRAME_REG_OUT.
13649 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13650 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13652 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13653 of ptr into the ENABLE_CHECKING section.
13655 2006-03-08 Jeff Law <law@redhat.com>
13657 * tree-vrp.c (infer_value_range): Only count pointer uses
13658 and dereferences if -fdelete-null-pointer-checks is enabled.
13660 * tree-vrp.c (find_assert_locations): Infer value ranges for
13661 single use pointers, but do not create ASSERT_EXPRs for them.
13662 When a non-null range is inferred for a pointer, backwards
13663 propagate that range to other equivalent pointers through the
13666 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13669 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13670 language hook targets.
13671 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13672 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13673 if language hook targets were missing.
13675 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13677 * tree-ssa-opfinalize.h: Removed.
13678 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13680 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13681 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13682 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13683 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13684 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13685 finalize_ssa_v_must_def_ops): New.
13687 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13689 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13690 block as parameter.
13692 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13694 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13696 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13697 addresses with offsets; reorganize.
13699 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13700 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13701 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13703 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13706 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13708 2006-03-08 Ben Elliston <bje@au.ibm.com>
13710 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13712 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13715 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13718 2006-03-07 Richard Guenther <rguenther@suse.de>
13720 PR tree-optimization/26587
13721 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13723 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13725 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13727 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13729 * hooks.c (hook_bool_mode_rtx_true): New function.
13730 * hooks.h (hook_bool_mode_rtx_true): Declare.
13731 * toplev.c (compile_file): Call output_shared_constant_pool.
13732 * varasm.c (shared_constant_pool): New variable.
13733 (assemble_start_function, assemble_end_function): Remove arguments
13734 from call to output_constant_pool.
13735 (create_constant_pool): New function, split out from...
13736 (init_varasm_status): ...here.
13737 (force_const_mem): Choose between the shared and per-function constant
13738 pools. Set current_function_uses_const_pool when reusing old entries
13739 as well as when creating new ones.
13740 (mark_constant): Ignore data argument.
13741 (mark_constants): Remove pool argument.
13742 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13743 to decide whether the function uses a constant pool.
13744 (output_constant_pool_contents): New function, split out from...
13745 (output_constant_pool): ...here.
13746 (output_shared_constant_pool): New function.
13747 (init_varasm_once): Initialize shared_constant_pool.
13748 * output.h (output_constant_pool): Delete.
13749 (output_shared_constant_pool): Declare.
13750 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13751 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13753 2006-03-06 Nick Clifton <nickc@redhat.com>
13755 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13756 flag_strength_reduce.
13758 2006-03-06 Ben Elliston <bje@au.ibm.com>
13760 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13761 x86_64-*-linux* configurations.
13763 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13764 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13766 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13768 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13770 * basic-block.h: Remove the extern for
13771 rediscover_loops_after_threading.
13773 * cfgloop.c (cancel_loop): Make it static.
13774 * cfgloop.h: Remove the prototype for cancel_loop.
13776 * flow.c (recompute_reg_usage): Make it static.
13777 * rtl.h: Remove the prototype for recompute_reg_usage.
13779 * function.c (use_return_register): Make it static.
13780 * function.h: Remove the prototype.
13782 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13784 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13786 * recog.h: Remove the prototype for
13787 validate_change_maybe_volatile.
13789 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13791 * rtlanal.c (replace_reg): Remove.
13792 * rtl.h: Remove the prototype for replace_reg.
13794 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13796 * regclass.c (reg_scan_update): Remove.
13797 (reg_scan_mark_refs): Remove the last argument.
13798 * rtl.h: Remove the prototype for reg_scan_update.
13800 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13802 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13803 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13804 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13805 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13806 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13807 loop-invariant.c, omp-low.c, opts.c, passes.c,
13808 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13809 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13810 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13811 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13812 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13813 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13815 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13817 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13818 * dwarf2out.h: Remove the prototype for
13819 dwarf2out_add_library_unit_info.
13821 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13823 * tree.c (add_var_to_bind_expr): Remove.
13824 * tree.h: Remove the prototype for add_var_to_bind_expr.
13826 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13828 * regclass.c (n_non_fixed_regs): Remove.
13829 (init_reg_sets_1, globalize_reg): Remove all uses of
13831 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13833 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13835 * rtlanal.c (insns_safe_to_move_p): Remove.
13836 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13838 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13840 * expmed.c (expand_mult_add): Remove.
13841 * expr.h: Remove the prototype for expand_mult_add.
13843 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13845 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13846 and REG_SAVED_VAL_EXP constants.
13847 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13848 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13849 Handle regs stored by value.
13850 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13851 (execute_cfa_program): Handle DW_CFA_val_offset,
13852 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13853 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13854 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13855 (uw_install_context_1): Handle target regs stored by value.
13857 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13859 * tree-sra.c (tree_sra): Return todoflags;
13860 (generate_one_element): Set TODO_update_smt_usage if needed.
13861 (pass_sra): Remove TODO_update_smt_usage.
13862 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13864 (tree_ssa_forward_propagate_single_use_vars): Return
13865 TODO_update_smt_usage if we need to update SMT usage.
13866 (pass_forwprop): Remove TODO_update_smt_usage.
13868 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13870 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13871 (correct_use_link): Remove reference to get_stmt_operands.
13872 (update_stmt_operands): Likewise.
13873 (get_modify_expr_operands): New function factored out of
13874 parse_ssa_operands and get_expr_operands.
13875 Try to create V_MUST_DEFs for LHS by default.
13876 (get_expr_operands) <case MODIFY_EXPR>: Call
13877 get_modify_expr_operands.
13878 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13879 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13880 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13881 get_modify_expr_operands.
13883 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13885 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13886 * tree-flow.h: Remove the prototype for
13887 referenced_var_lookup_if_exists.
13889 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13891 PR rtl-optimization/26345
13893 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13895 2006-03-03 Roger Sayle <roger@eyesopen.com>
13897 PR tree-optimization/26524
13898 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13899 fold_convert to create a constant of the appropriate type.
13901 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13903 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13904 SYMBOL_REF_IN_BLOCK_P.
13905 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13906 of SYMBOL_FLAG_IN_BLOCK.
13907 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13908 instead of SYMBOL_REF_IN_BLOCK_P.
13909 * explow.c (use_anchored_address): Likewise.
13910 * rtl.c (rtx_size): Likewise.
13911 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13912 instead of SYMBOL_FLAG_IN_BLOCK.
13913 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13914 SYMBOL_REF_IN_BLOCK_P.
13915 (assemble_variable): Likewise.
13916 (output_constant_def_contents): Likewise.
13917 (output_constant_pool): Likewise.
13918 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13919 instead of SYMBOL_FLAG_IN_BLOCK.
13920 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13921 SYMBOL_REF_IN_BLOCK_P.
13922 (SYMBOL_REF_BLOCK): Likewise.
13923 (SYMBOL_REF_OFFSET): Likewise.
13924 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13925 SYMBOL_REF_IN_BLOCK_P.
13926 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13927 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13928 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13929 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13931 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13933 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13935 2006-03-02 Roger Sayle <roger@eyesopen.com>
13937 * simplify-rtx.c (simplify_unary_operation): When simplifying
13938 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13939 that we perform the right shift in the appropriate mode, and
13940 then extend or truncate the result to requested mode.
13942 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13944 * gengtype.c (main): Handle double_int type.
13945 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13946 * double-int.c: New file.
13947 * double-int.h: New file.
13948 * system.h: Include doubleint.h.
13949 * Makefile.in (SYSTEM_H): Include double-int.h.
13950 (double-int.o): Add.
13952 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13955 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13958 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13960 * tree-vrp.c (remove_range_assertions): Do not update statements
13963 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13965 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13967 * gcse.c (rest_of_handle_gcse): Ditto.
13968 * except.c (gate_handle_eh): Ditto.
13969 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13970 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13972 2006-03-02 Eric Christopher <echristo@apple.com>
13974 * config/i386/i386.c (machopic_output_stub): Add indirection to
13977 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13981 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13983 Sun Niagara specific optimizations.
13984 * config.gcc: Recognize niagara as target.
13985 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13986 (TARGET_CPU_niagara): Define.
13987 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13988 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13989 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13990 (ASM_CPU_SPEC): Likewise.
13991 (PROCESSOR_NIAGARA): New enum entry.
13992 (REGISTER_MOVE_COST): Handle Niagara.
13993 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13994 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13995 (sparc_override_options): Recognize "niagara", set appropriate
13996 default MASK_* values for it, and align functions to 32-bytes
13997 by default just like ULTRASPARC/ULTRASPARC3.
13998 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13999 (sparc64_initialize_trampoline): Likewise.
14000 (sparc_use_sched_lookahead): Use zero for niagara.
14001 (sparc_issue_rate): Use one for niagara.
14002 * config/sparc/niagara.md: New file.
14003 * config/sparc/sparc.md: Include it.
14004 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
14005 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
14006 when default cpu is niagara.
14007 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14008 (ASM_CPU_SPEC): Likewise.
14009 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
14010 when default cpu is niagara.
14011 (ASM_CPU_SPEC): Handle -mcpu=niagara.
14012 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
14013 just like v9/ultrasparc/ultrasparc3.
14014 * doc/invoke.texi: Add documentation for "niagara" and improve
14015 existing documentation for ultrasparc variants.
14017 2006-03-02 Diego Novillo <dnovillo@redhat.com>
14019 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
14021 2006-03-02 Richard Sandiford <richard@codesourcery.com>
14023 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
14024 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
14025 and say that only one is needed.
14026 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
14027 * target.h (have_switchable_bss_sections): New hook.
14028 * explow.c (use_anchored_address): Check that the symbol is in a block.
14029 * varasm.c (tls_comm_section, comm_section, lcomm_section)
14030 (bss_noswitch_section): New variables.
14031 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
14032 (get_noswitch_section): New function.
14033 (get_block_for_section): Allow SECT to be null.
14034 (unlikely_text_section_p): Use SECTION_STYLE.
14035 (bss_initializer_p): New function.
14036 (get_variable_section): Move earlier in file. Take a new argument,
14037 prefer_noswitch_p. Move bss checks from assemble_variable to here.
14038 Return one of the new *_sections in such cases.
14039 (get_block_for_decl): New function, extracting some logic from
14040 use_blocks_for_decl_p.
14041 (change_symbol_section): Remove in favor of...
14042 (change_symbol_block): ...this new function.
14043 (use_blocks_for_decl_p): Remove checks now performed by
14044 get_block_for_decl.
14045 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
14046 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
14047 (emit_local, emit_bss, emit_common): ...these new functions.
14048 Return true if the alignment was honored.
14049 (emit_tls_common): New function.
14050 (asm_emit_uninitialised): Delete.
14051 (assemble_variable_noswitch): New function, split out from...
14052 (assemble_variable): ...here. Don't make decisions about common
14053 variables here. Globalize all public decls that go into non-common
14054 sections. Check whether SYMBOL_REF_BLOCK is null.
14055 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
14056 (output_constant_pool): Likewise.
14057 (init_varasm_once): Initialize the new section variables.
14058 (have_global_bss_p): New function.
14059 (categorize_decl_for_section): Use bss_initializer_p.
14060 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
14061 (place_block_symbol): Assert that the symbol must be in a block.
14062 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
14063 (TARGET_INITIALIZER): Include it.
14064 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
14065 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
14066 (SECTION_MACH_DEP): Bump by two.
14067 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
14068 (unnamed_section): Mention SECTION_UNNAMED in comment.
14069 (named_section): Likewise SECTION_NAMED.
14070 (noswitch_section_callback): New type.
14071 (noswitch_section): New structure.
14072 (section): Add a noswitch_section alternative.
14073 (SECTION_STYLE): New macro.
14074 (tls_comm_section, comm_section, lcomm_section): Declare.
14075 (bss_noswitch_section, have_global_bss_p): Declare.
14076 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14077 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14079 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14080 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14083 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
14085 * tree-vrp.c (execute_vrp): Return value.
14086 * regrename.c (rest_of_handle_regrename): Ditto.
14087 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
14088 * tree-complex.c (tree_lower_complex): Ditto.
14089 (tree_lower_complex_O0): Ditto.
14090 * tracer.c (rest_of_handle_tracer): Ditto.
14091 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
14092 * postreload.c (rest_of_handle_postreload): Ditto.
14093 * tree-tailcall.c (execute_tail_recursion): Ditto.
14094 (execute_tail_calls): Ditto.
14095 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14096 * tree.h (init_function_for_compilation): Ditto.
14097 * ipa-cp.c (ipcp_driver): Ditto.
14098 * tree-scalar-evolution.c (scev_const_prop): Ditto.
14099 * tree-scalar-evolution.h (scev_const_prop): Ditto.
14100 * final.c (compute_alignments): Ditto.
14101 (rest_of_handle_final): Ditto.
14102 (rest_of_handle_shorten_branches): Ditto.
14103 (rest_of_clean_state): Ditto.
14104 * omp-low.c (execute_expand_omp): Ditto.
14105 (execute_lower_omp): Ditto.
14106 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14107 * ipa-reference.c (static_execute): Ditto.
14108 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14109 * reorg.c (rest_of_handle_delay_slots): Ditto.
14110 (rest_of_handle_machine_reorg): Ditto.
14111 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14112 * flow.c (recompute_reg_usage): Ditto.
14113 (rest_of_handle_remove_death_notes): Ditto.
14114 (rest_of_handle_life): Ditto.
14115 (rest_of_handle_flow2): Ditto.
14116 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14117 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14118 (do_ssa_store_ccp): Ditto.
14119 (execute_fold_all_builtins): Ditto.
14120 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14121 * modulo-sched.c (rest_of_handle_sms): Ditto.
14122 * ipa-pure-const.c (static_execute): Ditto.
14123 * cse.c (rest_of_handle_cse): Ditto.
14124 (rest_of_handle_cse2): Ditto.
14125 * web.c (rest_of_handle_web): Ditto.
14126 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14127 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14128 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14129 * tree-nrv.c (tree_nrv): Ditto.
14130 (execute_return_slot_opt): Ditto.
14131 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14132 (create_structure_vars): Ditto.
14133 * loop-init.c (rtl_loop_init): Ditto.
14134 (rtl_loop_done): Ditto.
14135 (rtl_move_loop_invariants): Ditto.
14136 (rtl_unswitch): Ditto.
14137 (rtl_unroll_and_peel_loops): Ditto.
14138 (rtl_doloop): Ditto.
14139 * gimple-low.c (lower_function_body): Ditto.
14140 (mark_used_blocks): Ditto.
14141 * tree-ssa-sink.c (execute_sink_code): Ditto.
14142 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14143 (cgraph_early_inlining): Ditto.
14144 * global.c (rest_of_handle_global_alloc): Ditto.
14145 * jump.c (cleanup_barriers): Ditto.
14146 (purge_line_number_notes): Ditto.
14147 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14148 (rest_of_handle_if_after_reload): Ditto.
14149 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14150 (tree_ssa_loop_im): Ditto.
14151 (tree_ssa_loop_unswitch): Ditto.
14152 (tree_vectorize): Ditto.
14153 (tree_linear_transform): Ditto.
14154 (tree_ssa_loop_ivcanon): Ditto.
14155 (tree_ssa_empty_loop): Ditto.
14156 (tree_ssa_loop_bounds): Ditto.
14157 (tree_complete_unroll): Ditto.
14158 (tree_ssa_loop_prefetch): Ditto.
14159 (tree_ssa_loop_ivopts): Ditto.
14160 (tree_ssa_loop_done): Ditto.
14161 * predict.c (tree_estimate_probability): Ditto.
14162 * recog.c (split_all_insns_noflow): Ditto.
14163 (rest_of_handle_peephole2): Ditto.
14164 (rest_of_handle_split_all_insns): Ditto.
14165 * tree-eh.c (lower_eh_constructs): Ditto.
14166 * regmove.c (rest_of_handle_regmove): Ditto.
14167 (rest_of_handle_stack_adjustments): Ditto.
14168 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14169 * function.c (instantiate_virtual_regs): Ditto.
14170 (init_function_for_compilation): Ditto.
14171 (rest_of_handle_check_leaf_regs): Ditto.
14172 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14173 (rest_of_handle_gcse): Ditto.
14174 * ipa-type-escape.c (type_escape_execute): Ditto.
14175 * alias.c (rest_of_handle_cfg): Ditto.
14176 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14177 * profile.c (rest_of_handle_branch_prob): Ditto.
14178 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14179 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14180 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14181 * tree-dfa.c (find_referenced_vars): Ditto.
14182 * except.c (set_nothrow_function_flags): Ditto.
14183 (convert_to_eh_region_ranges): Ditto.
14184 (rest_of_handle_eh): Ditto.
14185 * emit-rtl.c (unshare_all_rtl): Ditto.
14186 (remove_unnecessary_notes): Ditto.
14187 * except.h (set_nothrow_function_flags): Ditto.
14188 (convert_to_eh_region_ranges): Ditto.
14189 * cfgexpand.c (tree_expand_cfg): Ditto.
14190 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14191 * tree-ssa-pre.c (do_pre): Ditto.
14192 (execute_fre): Ditto.
14193 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14194 (rest_of_handle_jump2): Ditto.
14195 * tree-sra.c (tree_sra): Ditto.
14196 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14197 (execute_mudflap_function_decls): Ditto.
14198 * tree-ssa-copy.c (do_copy_prop): Ditto.
14199 (do_store_copy_prop): Ditto.
14200 * ipa-prop.h (ipcp_driver): Ditto.
14201 * cfglayout.c (insn_locators_initialize): Ditto.
14202 * tree-ssa-forwprop.c
14203 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14204 * cfglayout.h (insn_locators_initialize): Ditto.
14205 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14206 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14207 (execute_late_warn_uninitialized): Ditto.
14208 * rtl.h (cleanup_barriers): Ditto.
14209 (split_all_insns_noflow): Ditto.
14210 (purge_line_number_notes): Ditto.
14211 (unshare_all_rtl): Ditto.
14212 (remove_unnecessary_notes): Ditto.
14213 (recompute_reg_usage): Ditto.
14214 (variable_tracking_main): Ditto.
14215 * integrate.c (emit_initial_value_sets): Ditto.
14216 * integrate.h (emit_initial_value_sets): Ditto.
14217 * tree-optimize.c (execute_free_datastructures): Ditto
14218 (execute_free_cfg_annotations): Ditto.
14219 (execute_fixup_cfg): Ditto.
14220 (execute_cleanup_cfg_pre_ipa): Ditto.
14221 (execute_cleanup_cfg_post_optimizing): Ditto.
14222 (execute_init_datastructures): Ditto.
14223 * tree-object-size.c (compute_object_sizes): Ditto.
14224 * combine.c (rest_of_handle_combine): Ditto.
14225 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14226 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14227 (rest_of_handle_reorder_blocks): Ditto.
14228 (rest_of_handle_partition_blocks): Ditto.
14229 * var-tracking.c (variable_tracking_main): Ditto.
14230 * tree-profile.c (tree_profiling): Ditto.
14231 * tree-vect-generic.c (expand_vector_operations): Ditto.
14232 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14233 * sched-rgn.c (rest_of_handle_sched): Ditto.
14234 (rest_of_handle_sched2): Ditto.
14235 * basic-block.h (free_bb_insn): Ditto.
14236 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14237 * tree-cfg.c (execute_build_cfg): Ditto.
14238 (remove_useless_stmts): Ditto.
14239 (split_critical_edges): Ditto.
14240 (execute_warn_function_return): Ditto.
14241 (execute_warn_function_noreturn): Ditto.
14242 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14243 * cfgrtl.c (free_bb_for_insn): Ditto.
14244 * passes.c (execute_one_pass): Run additional
14245 todos returned by execute function.
14246 * tree-pass.h (struct tree_opt_pass): Make execute
14249 2006-03-02 Richard Guenther <rguenther@suse.de>
14251 * tree-ssa-alias.c (find_used_portions): Consider taking
14252 the address as making the variable not write-only.
14254 2006-03-02 Nick Clifton <nickc@redhat.com>
14256 * config.gcc (default_use_cxa_atexit): Extend the description of
14257 this configure variable. Set its default value to "yes" for
14258 Linux, NetBSD and ELF targets on the assumption that they will
14259 use C libraries with the __cxa_atexit function.
14261 2006-03-02 Ben Elliston <bje@au.ibm.com>
14263 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14264 parameter as unused to suppress a build warning.
14266 2006-03-02 Ben Elliston <bje@au.ibm.com>
14268 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14271 2006-03-01 Roger Sayle <roger@eyesopen.com>
14274 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14275 declared name, the weak reference name, and the typeof name.
14276 (__gthrw): Avoid expanding the declared name suffix.
14277 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14279 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14281 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14283 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14284 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14285 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14286 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14287 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14288 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14289 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14290 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14291 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14292 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14293 (DW_END_default, DW_END_big, DW_END_little): New.
14294 (DW_END_lo_user, DW_END_hi_user): Define.
14295 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14296 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14297 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14300 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14302 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14304 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14306 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14308 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14310 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14311 to 'symbol_mem_tag'.
14313 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14316 2006-03-01 Roger Sayle <roger@eyesopen.com>
14318 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14320 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14323 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14324 MACHO_DYNAMIC_NO_PIC_P.
14325 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14327 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14330 * config/darwin-protos.h (darwin_asm_output_anchor):
14332 * config/darwin-sections.def (cstring_section):
14333 Add SECTION_MERGE to the flags.
14334 (literal4_section): Likewise.
14335 (literal8_section): Likewise.
14336 (objc_selector_refs_section): Likewise.
14337 (objc_cls_refs_section): Likewise.
14338 * config/darwin.c (darwin_asm_output_anchor): New
14340 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14342 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14344 Fix PR tree-optimization/26443
14345 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14346 to todo and PROP_tmt_usage to properties_destroyed.
14347 * tree-ssa-ccp.c (pass_ccp): Ditto.
14348 (pass_store_ccp): Ditto.
14349 * tree-ssa-dom.c (pass_dominator): Ditto.
14351 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14353 * tree-ssa-operands.c: Cleanup whitespace.
14354 (get_asm_expr_operands): Move before first invocation.
14355 (get_indirect_ref_operands): Likewise.
14356 (get_tmr_operands): Likewise.
14357 (get_call_expr_operands): Likewise.
14358 (append_def): Likewise.
14359 (append_use): Likewise.
14360 (append_v_may_def): Likewise.
14361 (append_v_must_def): Likewise.
14362 (add_call_clobber_ops): Likewise.
14363 (add_call_read_ops): Likewise.
14364 (add_stmt_operand): Likewise.
14365 (add_virtual_operand): Likewise.
14366 (build_ssa_operands): Likewise.
14368 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14370 PR middle-end/26022
14372 PR middle-end/24437
14373 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14374 with a call expr to ...
14375 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14377 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14379 * tree-vrp.c (extract_range_from_assert): Remove special
14380 handling for types with super-types.
14382 2006-03-01 Ben Elliston <bje@au.ibm.com>
14384 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14385 and powerpc64-*-linux* configurations.
14386 * config/t-dfprules: New file.
14388 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14389 Compile dfp-bit.c from the source directory using -DWIDTH and
14390 $DFP_CFLAGS to control the compilation of that file, rather than
14391 generating width-specific versions in the build directory.
14392 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14393 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14395 2006-02-28 Zack Weinberg <zackw@panix.com>
14397 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14400 2006-02-28 Eric Christopher <echristo@apple.com>
14402 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14403 Set up IN_LIBGCC definition of TARGET_64BIT.
14404 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14406 2006-02-28 Roger Sayle <roger@eyesopen.com>
14408 PR middle-end/14752
14409 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14410 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14411 cases via the construction of "expr != 0".
14413 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14415 * alias.c (alias_invariant, alias_invariant_size): Remove.
14416 (record_base_value): Remove.
14417 (memrefs_conflict_p): Don't look at alias_invariant.
14418 (end_alias_analysis): Don't free it.
14419 * alias.h (record_base_value): Remove prototype.
14421 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14422 Adam Nemet <anemet@caviumnetworks.com>
14424 * rtl.h (truncated_to_mode): Declare it.
14425 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14426 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14427 (RTL_HOOKS_INITIALIZER): Include it.
14428 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14429 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14430 reg_truncated_to_mode.
14431 * rtlanal.c (truncated_to_mode): Define it.
14432 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14434 2006-02-28 Jeff Law <law@redhat.com>
14436 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14437 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14438 the range allowed by TYPE_PRECISION.
14440 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14442 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14444 PR tree-optimization/26419
14445 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14448 2006-02-27 Zack Weinberg <zackw@panix.com>
14450 * doc/md.texi: Fix typo in previous change.
14452 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14456 2006-02-27 Zack Weinberg <zackw@panix.com>
14458 * rtl.def (define_constraint, define_register_constraint)
14459 (define_memory_constraint, define_address_constraint): New MD forms.
14460 * gensupport.c (process_rtx): Put define_constraint etc on the
14462 * genpreds.c (process_define_predicate): Adjust comment. Validate
14463 the name, and call validate_exp to validate the expression.
14464 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14465 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14466 all callers changed.
14467 (validate_exp, needs_variable, struct constraint_data)
14468 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14469 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14470 (const_dbl_constraints, constraint_max_namelen)
14471 (have_register_constraints, have_memory_constraints)
14472 (have_address_constraints, have_address_constraints)
14473 (have_extra_constraints, have_const_int_constraints)
14474 (have_const_dbl_constraints, mangle, add_constraint)
14475 (process_define_constraint, process_define_register_constraint)
14476 (write_enum_constraint_num, write_lookup_constraint)
14477 (write_insn_constraint_len, write_regclass_for_constraint)
14478 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14479 (write_insn_extra_memory_constraint)
14480 (write_insn_extra_address_constraint)
14481 (write_satisfies_constraint_fns): New.
14482 (write_tm_preds_h): If we have new-style constraint definitions,
14483 prototype the functions generated from them, and define the
14484 old constraint interface (still used by generic code) in terms of
14486 (write_insn_preds_c): If we have new-style constraint definitions,
14487 generate all relevant functions from those definitions.
14488 (main): Handle define_constraint etc.
14489 * genoutput.c (struct constraint_data, indep_constraints)
14490 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14491 (mdep_constraint_len): New data structures and functions, defined
14492 #ifdef USE_MD_CONSTRAINTS.
14493 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14494 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14495 use new logic to validate operand constraints against constraint
14497 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14499 * defaults.h: If none of the old-style constraint macros are
14500 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14501 old-style macros; and poison REG_CLASS_FROM_LETTER,
14502 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14504 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14505 * doc/md.texi: Document new constraint-definition mechanism and the
14506 C interface it provides. Remove references to old mechanism
14507 elsewhere in the document.
14508 (Machine Constraints): Use pathnames relative to gcc directory,
14509 i.e. config/ARCH/FILE. Change i386 section to refer to
14510 config/i386/predicates.md; update that section to match docstrings.
14511 * doc/tm.texi: Move all documentation of the old constraint-
14512 definition macros to their own section, clearly mark as obsolete.
14514 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14515 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14517 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14518 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14519 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14520 constraint strings.
14521 (splits and peepholes): Use satisfies_constraint_*.
14522 * config/i386/i386.c (memory_address_length)
14523 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14525 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14527 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14528 scalar operation to be put back into the loop.
14530 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14533 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14534 (extract_cie_info): Handle S flag in augmentation string.
14535 (execute_cfa_program): If context->signal_frame, execute also
14536 fs->pc == context->ra instructions.
14537 (uw_frame_state_for): If context->signal_frame, don't subtract one
14538 from context->ra to find FDE.
14539 (uw_update_context_1): Set context->signal_frame to
14541 (_Unwind_GetIPInfo): New function.
14542 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14543 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14545 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14546 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14547 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14548 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14549 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14550 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14551 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14552 x86_64_fallback_frame_state): Set fs->signal_frame.
14553 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14554 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14555 (frob_update_context): Likewise. Workaround missing S flag in
14556 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14557 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14558 Remove the psw_addr + 1 hack.
14560 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14562 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14563 with aggregates here.
14564 (find_func_aliases): Remove code for &<aggregate> from here.
14566 2006-02-26 Roger Sayle <roger@eyesopen.com>
14568 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14569 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14570 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14571 as (X & C) ne/eq 0.
14573 2006-02-26 Roger Sayle <roger@eyesopen.com>
14575 PR middle-end/19983
14576 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14578 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14580 * opts.c (decode_options): Do not handle flag_strength_reduce.
14581 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14582 and OPT_fstrength_reduce.
14583 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14584 flag_prefetch_loop_arrays for being nonzero.
14585 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14587 (fprefetch-loop-arrays-rtl): Removed.
14588 (flag_prefetch_loop_arrays): Do not specify the value.
14590 * doc/passes.texi: Update documentation of loop optimizer
14592 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14593 -frerun-loop-opt): Remove.
14595 2006-02-26 Richard Guenther <rguenther@suse.de>
14597 PR tree-optimization/26421
14598 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14599 in function calls that are ADDR_EXPRs as using the whole structure.
14601 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14603 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14604 * tree-pass.h (pass_loop_optimize): Remove.
14605 * passes.c (pass_loop_optimize): Never run it.
14606 * toplev.c (backend_init): Don't call init_loop.
14607 * opts.c (flag_loop_optimize_set): Remove.
14608 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14609 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14610 the old RTL loop optimizer when profiling enabled.
14611 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14612 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14613 pre-headers for the sake of the old RTL loop optimizer.
14614 * Makefile.in: Remove all references to loop.o.
14616 * doc/invoke.texi: Remove all references to -floop-optimize
14617 and -frerun-loop-opt.
14619 2006-02-26 Zack Weinberg <zackw@panix.com>
14621 * doc/md.texi (Machine Constraints): Refer to all files with paths
14622 relative to gcc directory (i.e. config/CPU/file). Add missing
14623 @table @code ... @end table to M32C subsection.
14625 2006-02-26 Roger Sayle <roger@eyesopen.com>
14627 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14629 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14631 2006-02-26 Roger Sayle <roger@eyesopen.com>
14632 James A. Morrison <phython@gcc.gnu.org>
14634 PR middle-end/21137
14635 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14636 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14637 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14638 signedness of the shift operation.
14640 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14642 PR tree-optimization/26359
14643 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14645 2006-02-25 Roger Sayle <roger@eyesopen.com>
14647 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14648 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14649 as X == 0, and some symmetry related transformations.
14650 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14652 2006-02-25 Roger Sayle <roger@eyesopen.com>
14654 PR middle-end/23673
14655 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14656 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14657 symmetry related transformations. Fold (X^C1) == C2 as
14660 2006-02-25 Juergen Weigert <jw@suse.de>
14661 Richard Guenther <rguenther@suse.de>
14663 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14665 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14667 * combine.c (gen_lowpart_or_truncate): Call
14668 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14670 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14672 * doc/invoke.texi: Move -fopenmp description to "Options for
14674 Remove reference to -lgomp.
14676 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14678 * doc/install.texi: Require GNU tar version 1.14.
14680 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14682 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14683 * doc/invoke.texi (C++ Dialect Options): Document
14684 -fno-use-cxa-get-exception-ptr.
14685 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14686 * configure: Regenerate.
14687 * c.opt (fuse-cxa-get-exception-ptr): New.
14688 * c-opts.c (c_common_handle_option): Handle
14689 OPT_fuse_cxa_get_exception_ptr.
14690 * c-common.c (flag_use_cxa_atexit): Update documentation.
14691 (flag_use_cxa_get_exception_ptr): New.
14692 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14693 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14695 (C_COMMON_OVERRIDE_OPTIONS): New.
14697 2006-02-24 Roger Sayle <roger@eyesopen.com>
14699 PR middle-end/24952
14700 * combine.c (try_combine): Explicitly check whether GET_CODE is
14701 a SET or a CLOBBER, instead on checking that it isn't a USE.
14703 2006-02-24 Roger Sayle <roger@eyesopen.com>
14705 * fold-const.c (fold_comparison): New subroutine of fold_binary
14706 containing transformations common to both the equality and
14707 ordering relational operators, factored out of fold_binary.
14708 (fold_binary): Separate out the equality operators (EQ_EXPR
14709 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14710 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14711 transformations common to both.
14712 (fold_div_compare): Fix latent bugs in the previously unreachable
14713 LT_EXPR and GE_EXPR cases.
14715 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14717 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14718 decl libname for clog to __clog on AIX.
14720 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14722 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14725 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14726 output traceback table for thunks. Localise rs6000_stack_info call.
14728 2006-02-23 Roger Sayle <roger@eyesopen.com>
14729 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14731 * gthr-posix.h (__gthrw): Fix typo in comment.
14733 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14735 * doc/cpp.texi (Character sets): Document that we do support
14736 input files to be in any character set.
14738 2006-02-23 Jeff Law <law@redhat.com>
14740 * tree.h (PHI_ARG_NONZERO): Remove.
14741 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14742 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14743 node to the new node.
14745 PR tree-optimization/26425
14746 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14747 min/max, then assume its varying.
14749 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14751 PR rtl-optimization/26316
14752 * rtlanal.c (enum may_trap_p_flags): New.
14753 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14754 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14755 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14756 (may_trap_after_code_motion_p): New function.
14757 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14758 (find_invariant_insn): Use may_trap_after_code_motion_p.
14759 * rtl.h (may_trap_after_code_motion_p): Declare.
14761 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14763 * emit-rtl.c (immed_double_const): Cleanup.
14765 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14767 Fix PR tree-optimization/26376
14768 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14771 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14773 PR middle-end/26412
14774 * gimplify.c (omp_add_variable): Guard variable size decl test with
14775 DECL_SIZE (decl) check.
14777 2006-02-23 Richard Guenther <rguenther@suse.de>
14779 PR middle-end/26439
14780 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14781 like aggregate types.
14783 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14785 * configure.ac: Add --with{,out}-long-double-128 configure option.
14786 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14787 * configure: Rebuilt.
14788 * config.in: Rebuilt.
14789 * doc/install.texi (Options specification): Document
14790 --with-long-double-128.
14792 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14793 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14794 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14795 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14797 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14799 * config/s390/s390.c (override_options): Handle
14800 TARGET_DEFAULT_LONG_DOUBLE_128.
14802 * config/alpha/alpha.c (override_options): Handle
14803 TARGET_DEFAULT_LONG_DOUBLE_128.
14805 * config/sparc/sparc.c (sparc_override_options): Handle
14806 TARGET_DEFAULT_LONG_DOUBLE_128.
14808 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14810 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14811 (real-install-headers-tar, real-install-headers-cpio)
14812 (real-install-headers-cp): New targets.
14814 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14816 * tree.h (variable_section): Delete.
14817 * varasm.c (variable_section): Delete.
14819 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14821 * install.texi: Add notes on install.texi2html.
14822 (Building in parallel): Do not use footnotes.
14824 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14827 * doc/install.texi (Configuration): Document --disable-libgomp.
14829 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14831 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14833 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14835 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14836 (vec_extractv2df_0_sse): New.
14838 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14840 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14841 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14842 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14843 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14844 to the result of the expression.
14845 (def_cfa_1): Adjust.
14846 (frame_pointer_cfa_offset): Rename to...
14847 (frame_pointer_fb_offset): ... this. Adjust all uses.
14848 (convert_cfa_to_loc_list): Rename to...
14849 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14850 Pass it on to build_cfa_loc.
14851 (compute_frame_pointer_to_cfa_displacement): Rename to...
14852 (compute_frame_pointer_to_fb_displacement): ... this. New
14853 offset parameter. Use it in computation.
14854 (gen_subprogram_die): Compute cfa_fb_offset with the new
14855 macro, and use it to compute the fb loc list and the
14858 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14860 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14861 replaced with register_operand.
14862 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14863 non-DREG is expensive.
14864 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14865 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14868 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14870 * doc/install.texi2html: Use set -e.
14872 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14874 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14875 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14876 * doc/invoke.texi (-fshared-data): Delete.
14877 * common.opt (fshared-data): Delete.
14878 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14879 (assemble_static_space): Remove #if 0 code.
14880 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14881 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14882 * config/cris/cris.h: Remove FIXME.
14884 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14886 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14889 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14891 PR middle-end/26379
14892 * combine.c (simplify_shift_const_1): Disable nested shifts
14893 optimization for vector shifts.
14895 2006-02-20 Roger Sayle <roger@eyesopen.com>
14897 PR tree-optimization/26361
14898 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14899 of unsigned integer types.
14901 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14903 * tree-chrec.c (eq_evolutions_p): New.
14904 * tree-chrec.h (eq_evolutions_p): Declared.
14905 * tree-data-ref.c: Fix formatting.
14906 (datadep_stats, dependence_stats): New.
14908 (print_direction_vector): New.
14909 (dump_data_dependence_relation): Use print_direction_vector.
14910 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14911 (compute_subscript_distance): Static.
14912 (initialize_data_dependence_relation): Static. Get the number
14913 of loops surrounding the references from the callers, and initialize
14914 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14915 base_object_differ_p analyzers.
14916 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14917 compute_overlap_steps_for_affine_1_2,
14918 analyze_subscript_affine_affine): Count the classified dependences.
14919 Print a message when a test failed.
14920 (can_use_analyze_subscript_affine_affine): New.
14921 (analyze_siv_subscript): Compute the data dependences on symbolic
14922 scevs that verify can_use_analyze_subscript_affine_affine.
14923 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14924 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14925 Handle symbolic scevs.
14926 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14928 (subscript_dependence_tester): Moved...
14929 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14930 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14931 DDR_SIZE_VECT instead of getting it in parameter.
14932 (subscript_dependence_tester): ... here. Take as a parameter
14933 loop_nest_depth. Call build_classic_dist_vector and
14934 build_classic_dir_vector.
14935 (compute_affine_dependence): Update subscript_dependence_tester
14936 parameters. Update datadep_stats counters. Call
14937 compute_subscript_distance.
14938 (compute_self_dependence): Save the dist and dir vectors. Call
14939 compute_subscript_distance.
14940 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14941 (compute_all_dependences): Reorder parameters as they were before
14942 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14943 compute_subscript_distance. Update the use of
14944 compute_affine_dependence and initialize_data_dependence_relation.
14945 (find_data_references_in_loop): Handle COMPONENT_REF.
14946 (compute_data_dependences_for_loop): Initialize dependence_stats.
14947 Don't call build_classic_dist_vector and build_classic_dir_vector.
14948 Update the parameters of initialize_data_dependence_relation and
14949 compute_all_dependences. Print the statistics from datadep_stats.
14950 (analyze_all_data_dependences): Static. Not used until the pass for
14951 checking the data dependences is contributed.
14952 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14953 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14954 (initialize_data_dependence_relation, compute_affine_dependence,
14955 analyze_all_data_dependences, compute_subscript_distance): Removed.
14956 (print_direction_vector): New.
14957 * lambda.h (gcd): ... here.
14958 (lambda_vector_gcd): Moved here from gcd_vector.
14959 * lambda-code.c (gcd, gcd_vector): Removed.
14960 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14961 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14963 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14965 * ipa-type-escape.c: Tidy some comments and white space.
14966 * tree-ssa-operands.c: Likewise.
14968 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14971 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14972 (dump_decl_name): Do not walk the decl tree chains.
14973 * tree-pass.h (TDF_CHAIN): Remove.
14975 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14977 * Makefile.in (C): Remove
14979 (.PHONY): Remove C and PROTO
14981 2006-02-20 Roger Sayle <roger@eyesopen.com>
14983 PR middle-end/26236
14984 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14985 deprecated CHAR_TYPE tree code.
14987 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14989 * configure.ac (target_list): Add install-info, dvi, html.
14990 * configure: Regenerate.
14992 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14993 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14994 treelang/Make-lang.in: Do not use double-colon rules.
14996 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14998 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14999 (TMT_USED_ALONE): New macro.
15000 * tree-pass.h (PROP_tmt_usage): New property.
15001 (TODO_update_tmt_usage): New todo.
15002 * tree-ssa-alias.c (updating_used_alone): New variable.
15003 (recalculate_used_alone): New function.
15004 (compute_may_aliases): Set updating_used_alone, call
15005 recalculate_used_alone.
15006 * tree-sra.c (pass_sra): Note that this pass destroys
15007 PROP_tmt_usage, and add TODO_update_tmt_usage.
15008 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
15009 * tree-flow.h (updating_used_alone): Prototype.
15010 (recalculate_used_alone): Ditto.
15011 * passes.c (execute_todo): Add code to set updating_used_alone,
15012 and call recalculate.
15013 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
15014 for clobber if used alone, and add assert to verify used_alone
15017 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
15019 * config/s390/s390.c (legitimize_pic_address): Assertions checking
15020 for non tls symbols added.
15021 (legitimize_address): Do nothing for PLUS expressions if one of the
15022 addends is a tls symbol reference.
15024 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15028 * Makefile.in (LDFLAGS): Define from autoconf substitution.
15030 * Makefile.in (BOOTSTRAPPING): New.
15031 (quickstrap): New definition if BOOTSTRAPPING=yes.
15033 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
15034 * configure.ac: Substitute all_selected_languages with the languages
15035 that were configured. For all the other variables except
15036 lang_specs_files, include all the languages in the tree.
15037 * configure: Regenerate.
15039 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
15040 if there is one. Run the commands to run fixincludes in the same
15043 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
15044 * doc/install.texi: Document exact conventions for searching target tools.
15045 Document --with-build-time-tools. Document toplevel bootstrap. Document
15046 something more about building an Ada cross-compiler. Don't list GNU Make
15047 requirements which affect all platforms.
15049 2006-02-19 Roger Sayle <roger@eyesopen.com>
15051 PR middle-end/19543
15052 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
15053 only equivalent if the have both the same mode and precision.
15055 2006-02-20 Ben Elliston <bje@au.ibm.com>
15057 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
15059 2006-02-19 Roger Sayle <roger@eyesopen.com>
15060 Steven Bosscher <stevenb.gcc@gmail.com>
15062 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
15063 constant pool references to identify stack mode constants.
15064 * rtlanal.c (constant_pool_constant_p): New predicate to check
15065 whether operand is a floating point constant in the pool.
15066 * rtl.h (constant_pool_constant_p): Prototype here.
15067 * loop.c (scan_loop): Avoid hoisting constants from the constant
15068 pool on STACK_REGS targets.
15069 (load_mems): Likewise.
15070 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
15071 loads into x87 registers expensive in terms of register pressure.
15073 2006-02-19 Roger Sayle <roger@eyesopen.com>
15075 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
15076 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
15078 2006-02-19 David Edelsohn <edelsohn@gnu.org>
15080 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15081 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
15083 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
15085 * doc/invoke.texi: Document -fipa-pta.
15086 * common.opt: Add ipa-pta option.
15087 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
15088 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
15089 (do_ds_constraint): Ditto.
15090 (get_constraint_for): Only add to referenced_vars if
15091 referenced_vars exists.
15092 (insert_into_field_list): Rewrite to do this unsorted.
15093 (insert_into_field_list_sorted): Rename old insert_into_field_list
15095 (create_function_info_for): Use insert_into_field_list_sorted.
15096 (create_variable_info_for): Rewrite so it uses unsorted version,
15097 since the field list is sorted.
15098 (intra_create_variable_infos): Only add to referenced_vars if
15099 referenced_vars exists.
15100 (ipa_pta_execute): Init heapvars, and delete when done.
15101 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15103 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15105 * doc/install.texi: Add missing `@samp'.
15107 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15109 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15112 2006-02-18 Mark Wielaard <mark@klomp.org>
15114 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15115 who added new 4.1 features, bug fixes and integration support.
15117 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15120 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15121 MEM for ABI_V4 pic.
15123 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15125 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15126 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15127 (copy_insn_1): Likewise. Don't copy each field individually.
15129 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15131 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15132 * rtl.c (rtx_size): Rename variable to...
15133 (rtx_code_size): ...this.
15134 (rtx_size): New function.
15135 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15136 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15138 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15139 * rtl.h (rtx_code_size): New variable.
15140 (rtx_size): Change from a variable to a function.
15141 (RTX_SIZE): Rename to...
15142 (RTX_CODE_SIZE): ...this.
15145 PR tree-optimization/17106
15146 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15147 (Anchored Addresses): New section.
15148 * doc/invoke.texi (-fsection-anchors): Document.
15149 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15150 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15151 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15152 * hooks.c (hook_bool_mode_rtx_false): New function.
15153 * hooks.h (hook_bool_mode_rtx_false): Declare.
15154 * gengtype.c (create_optional_field): New function.
15155 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15156 SYMBOL_REF_IN_BLOCK_P is true.
15157 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15158 (min_anchor_offset, max_anchor_offset): Likewise.
15159 (use_anchors_for_symbol_p): New hook.
15160 * toplev.c (compile_file): Call output_object_blocks.
15161 (target_supports_section_anchors_p): New function.
15162 (process_options): Check that -fsection-anchors is only used on
15163 targets that support it and when -funit-at-a-time is in effect.
15164 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15165 if the decl doesn't have one.
15166 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15167 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15168 of force_const_mem through use_anchored_address.
15169 (expand_expr_constant): New function.
15170 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15171 calling expand_expr for INDIRECT_REF.
15172 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15173 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15174 * expr.h (use_anchored_address): Declare.
15175 * loop-unroll.c: Don't declare rtx vectors here.
15176 * explow.c: Include output.h.
15177 (validize_mem): Call use_anchored_address.
15178 (use_anchored_address): New function.
15179 * common.opt (-fsection-anchors): New switch.
15180 * varasm.c (object_block_htab, anchor_labelno): New variables.
15181 (hash_section, object_block_entry_eq, object_block_entry_hash)
15182 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15183 (use_blocks_for_decl_p, change_symbol_section): New functions.
15184 (get_variable_section): New function, split out from assemble_variable.
15185 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15186 use_blocks_for_decl_p say so. Use change_symbol_section if the
15187 symbol has already been created.
15188 (assemble_variable_contents): New function, split out from...
15189 (assemble_variable): ...here. Don't output any code for
15190 block symbols; just pass them to place_block_symbol.
15191 Use get_variable_section and assemble_variable_contents.
15192 (get_constant_alignment, get_constant_section, get_constant_size): New
15193 functions, split from output_constant_def_contents.
15194 (build_constant_desc): Create a block symbol if use_object_blocks_p
15195 says so. Or into SYMBOL_REF_FLAGS.
15196 (assemble_constant_contents): New function, split from...
15197 (output_constant_def_contents): ...here. Don't output any code
15198 for block symbols; just pass them to place_section_symbol.
15199 Use get_constant_section and get_constant_alignment.
15200 (force_const_mem): Create a block symbol if use_object_blocks_p and
15201 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15202 (output_constant_pool_1): Add an explicit alignment argument.
15203 Don't switch sections here.
15204 (output_constant_pool): Adjust call to output_constant_pool_1.
15205 Switch sections here instead. Don't output anything for block symbols;
15206 just pass them to place_block_symbol.
15207 (init_varasm_once): Initialize object_block_htab.
15208 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15209 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15210 (place_block_symbol, get_section_anchor, output_object_block)
15211 (output_object_block_htab, output_object_blocks): New functions.
15212 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15213 (TARGET_ASM_OUT): Include it.
15214 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15215 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15216 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15217 (TARGET_INITIALIZER): Include them.
15218 * rtl.c (rtl_check_failed_block_symbol): New function.
15219 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15220 (block_symbol, object_block): New structures.
15221 (rtx_def): Add a block_symbol field to the union.
15222 (BLOCK_SYMBOL_CHECK): New macro.
15223 (rtl_check_failed_block_symbol): Declare.
15224 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15225 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15226 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15227 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15228 * output.h (output_section_symbols): Declare.
15229 (object_block): Name structure.
15230 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15231 (default_use_anchors_for_symbol_p): Declare.
15232 * Makefile.in (RTL_BASE_H): Add vec.h.
15233 (explow.o): Depend on output.h.
15234 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15235 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15236 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15237 (rs6000_use_blocks_for_constant_p): New function.
15239 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15241 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15243 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15246 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15249 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15251 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15255 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15257 PR middle-end/26334
15258 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15259 instead of DECL_REGISTER.
15261 2006-02-18 Olivier Hainque <hainque@adacore.com>
15264 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15266 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15269 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15270 * opth-gen.awk: Handle Var and InverseMask together.
15271 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15272 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15273 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15274 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15276 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15277 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15278 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15279 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15280 LINUX_DYNAMIC_LINKER): Define.
15281 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15282 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15284 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15285 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15286 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15287 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15288 (TARGET_C99_FUNCTIONS): Don't define.
15289 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15290 GLIBC_DYNAMIC_LINKER.
15291 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15292 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15293 GLIBC_DYNAMIC_LINKER64): Define.
15294 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15295 LINUX_DYNAMIC_LINKER64.
15296 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15297 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15298 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15299 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15300 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15301 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15302 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15303 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15304 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15305 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15306 and LINUX_DYNAMIC_LINKER32.
15307 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15308 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15309 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15310 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15311 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15313 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15314 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15315 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15316 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15317 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15318 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15319 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15320 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15321 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15322 LINUX_DYNAMIC_LINKER): Define.
15323 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15324 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15325 GLIBC_DYNAMIC_LINKER64): Define.
15326 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15327 LINUX_DYNAMIC_LINKER64.
15328 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15329 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15330 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15331 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15332 LINUX_DYNAMIC_LINKER): Define.
15333 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15334 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15335 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15336 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15337 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15338 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15339 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15340 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15341 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15342 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15343 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15344 * doc/invoke.texi (-muclibc): Remove caveat about supported
15347 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15349 * doc/cpp.texi (__TIMESTAMP__): Document.
15351 2006-02-17 Roger Sayle <roger@eyesopen.com>
15353 PR middle-end/25600
15354 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15355 C is one less than the width of X (and related transformations).
15356 * simplify-rtx.c (simplify_unary_operation_1): Transform
15357 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15358 depending on STORE_FLAG_VALUE, were C is one less then the
15361 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15363 Fix PR tree-optimization/26341
15364 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15365 about NAME_MEMORY_TAG's.
15367 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15370 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15371 with hardware float support, and software float support. Add fcpy
15372 alternative to hardware patterns. Add alternatives to copy between
15373 general and floating-point registers to the 32-bit pattern.
15374 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15375 secondary reload to load a QI or HI mode constant into a floating
15377 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15378 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15380 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15383 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15385 (load_macho_picbase_di): Likewise.
15387 2006-02-16 Jeff Law <law@redhat.com>
15389 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15390 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15391 (ssa_name_nonzero_p): Likewise.
15392 (get_value_range): Return NULL if VRP is not running.
15393 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15394 VRP routines do not discover a range.
15395 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15396 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15397 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15398 (tree_expr_nonnegative_p): Similarly.
15399 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15400 (restore_nonzero_vars_to_original_value): Remove.
15401 (unsafe_associative_fp_binop): Remove.
15402 (tree_ssa_dominator_optimize): Remove initialization and
15403 finalization of nonzero_vars and nonzero_vars_stack.
15404 (dom_opt_initialize_block): No longer push marker on
15405 nonzero_vars_stack.
15406 (dom_opt_finalize_block): No longer call
15407 restore_nonzero_vars_to_original_value.
15408 (record_equivalences_from_phis): No longer look for
15409 nonzero PHI arguments.
15410 (cprop_into_successor_phis): No longer propagate nonzero
15411 property into PHI arguments. Lose unused argument. Caller
15413 (record_equivalences_from_stmt): No longer record nonzero
15414 values for SSA_NAMEs.
15415 (lookup_avail_expr): No longer use nonzero_vars.
15417 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15418 for sizetype when sizetype is unsigned.
15420 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15422 PR rtl-optimization/25603
15423 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15424 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15425 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15426 with new meaning of SETS.
15428 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15433 * config/linux.opt: New file.
15434 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15435 LINUX_DYNAMIC_LINKER): Define.
15436 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15437 * config.gcc (*-*-linux*): Define extra_options.
15438 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15439 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15440 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15441 GLIBC_DYNAMIC_LINKER.
15442 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15443 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15444 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15445 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15446 * doc/invoke.texi (GNU/Linux Options): New section.
15448 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15450 * config/sparc/sparc.md (setjmp): Rewrite.
15451 (setjmp_32): Delete.
15452 (setjmp_64): Likewise.
15454 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15456 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15459 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15461 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15464 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15466 PR rtl-optimization/26296
15467 * Makefile.in (loop-invariant.c): Add except.h dependency.
15468 * loop-invariant.c: Include except.h.
15469 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15471 2005-02-16 Paul Brook <paul@codesourcery.com>
15473 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15476 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15478 PR rtl-optimization/25636
15479 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15480 when deciding whether an insn is an initializing insn.
15482 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15484 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15485 (tree_code_size): Ditto.
15486 * tree.h (struct tree_memory_tag): Remove parent_var.
15487 (struct tree_struct_field_tag): New.
15490 (union tree_node): Add sft member.
15491 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15493 (create_sft): Add size and offset argument, set SFT_OFFSET and
15495 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15496 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15497 * tree-flow-inline.h (get_subvar_at): Update for
15498 SFT_OFFSET/SFT_SIZE.
15499 (var_can_have_subvars): Ditto.
15500 (overlap_subvar): Ditto.
15501 * print-tree.c (print_node): Print out interesting things for
15503 * tree-flow.h (struct subvar): Remove offset and size members.
15504 * tree-ssa-operands.c (get_expr_operands): Update for
15505 get_indirect_ref_operands changes.
15506 (get_indirect_ref_operands): Call add_virtual_operand instead of
15507 add_stmt_operand. Only recurse on base var if requested.
15508 (access_can_touch_variable): New function.
15509 (add_stmt_operand): Split virtual operand handling into ...
15510 (add_virtual_operand): Here. Add offset, size, and for_clobber
15511 arguments. Prune alias sets.
15512 (add_call_clobber_ops): Call add_virtual_operand.
15514 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15516 PR middle-end/26300
15517 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15519 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15520 than TREE_CODE as index into omp_clause_num_ops array.
15522 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15524 PR rtl-optimization/26184
15525 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15527 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15528 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15529 must_precede, must_follow and tobe_scheduled.
15532 * opts.c (common_handle_option): Free new_option pointer.
15533 * df-core.c (df_analyze): Free postorder pointer.
15535 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15537 * Makefile.in: Fix the examples about the use of stamps
15539 2006-02-15 Michael Matz <matz@suse.de>
15541 PR middle-end/22275
15543 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15544 influenced by maximum_field_alignment or DECL_PACKED.
15545 (update_alignment_for_field): Ditto.
15546 (place_field): Ditto.
15547 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15550 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15552 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15553 (debug_flow_info): Pass it.
15554 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15555 * bb-reorder.c (reorder_basic_blocks): Likewise.
15556 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15557 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15558 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15559 * gcse.c (gcse_main, bypass_jumps): Likewise.
15560 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15561 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15562 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15563 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15564 * rtl.h (dump_flow_info): Adjust prototype.
15565 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15566 * var-tracking.c (variable_tracking_main): Likewise.
15567 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15568 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15571 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15573 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15576 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15578 PR tree-optimization/26209
15579 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15580 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15582 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15584 2006-02-14 Roger Sayle <roger@eyesopen.com>
15586 PR middle-end/23670
15587 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15588 (X,Y) and the corresponding symmetry related transformations.
15589 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15590 (X,Y) and its symmetry related transformations.
15592 2006-02-14 Roger Sayle <roger@eyesopen.com>
15594 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15597 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15599 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15601 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15604 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15605 support COMDAT group.
15606 * configure: Regenerate.
15608 2006-02-14 Roger Sayle <roger@eyesopen.com>
15610 PR middle-end/26279
15611 PR middle-end/26280
15612 PR middle-end/26283
15613 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15615 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15617 Fix PR tree-optimization/26260
15619 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15621 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15622 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15623 * tree-ssa-structalias.c (create_variable_info_for): Use
15624 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15626 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15628 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15630 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15631 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15632 of the ending condition.
15633 * tree-ssa-loop-manip.c: Include params.h.
15634 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15635 tree_unroll_loop): New functions.
15636 * tree-pass.h (pass_loop_prefetch): Declare.
15637 * loop.c (rest_of_handle_loop_optimize): Test for
15638 -fprefetch-loop-arrays-rtl.
15639 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15640 * timevar.def (TV_TREE_PREFETCH): New timevar.
15641 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15642 pass_loop_prefetch): New.
15643 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15644 (cleanup_tree_cfg_loop): Call scev_reset.
15645 * common.opt (fprefetch-loop-arrays-rtl): Add.
15646 * tree-ssa-loop-prefetch.c: New file.
15647 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15648 (new_temp_expr_table): Initialize expr_vars.
15649 (free_temp_expr_table): Cleanup expr_vars.
15650 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15651 expressions from being merged into one.
15652 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15653 (struct tree_niter_desc): Add control, bound and cmp fields.
15654 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15656 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15657 (tree-cfgcleanup.o): Add SCEV_H dependency.
15658 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15659 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15661 2006-02-14 Richard Guenther <rguenther@suse.de>
15663 PR tree-optimization/26258
15664 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15665 in PHI argument processing.
15667 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15669 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15670 new expression in the requested machine mode.
15672 2006-02-13 Roger Sayle <roger@eyesopen.com>
15674 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15675 directly, instead let do_compare_rtx_and_jump handle this for us.
15676 * expr.c (expand_expr_real_1): Likewise.
15677 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15678 before do_jump_by_parts_greater.
15679 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15680 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15682 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15684 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15686 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15688 PR rtl-optimization/26235
15689 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15690 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15693 2006-02-13 Jeff Law <law@redhat.com>
15695 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15698 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15700 PR middle-end/26092
15701 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15702 twice if decl is a builtin. When trying again, call get_callee_fndecl
15703 first to verify it is still a builtin.
15705 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15707 * dwarf2out.c (base_type_die): Don't add AT_name here.
15708 (subrange_type_die): Don't add AT_name here.
15709 (modified_type_die): Rearrange code flow. Do add AT_name here.
15711 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15713 PR rtl-optimization/26247
15714 PR rtl-optimization/26248
15715 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15717 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15719 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15720 * config/fixtfdi.c: Likewise.
15721 * config/fixunstfdi.c: Likewise.
15722 * config/floatditf.c: Likewise.
15724 2006-02-13 Roger Sayle <roger@eyesopen.com>
15726 PR middle-end/24427
15727 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15728 into (X,C2) if C1 is a subset of the bits of C2. Transform
15729 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15731 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15733 2006-02-13 Josh Conner <jconner@apple.com>
15736 * varasm.c (function_section): Check for section name before
15737 calling select_section on targets that define
15738 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15739 unlikely_text_section instead of hot_function_section if
15740 first_function_block_is_cold.
15742 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15744 PR middle-end/25335
15745 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15747 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15749 PR rtl-optimization/26222
15750 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15751 after tree->rtl expansion.
15752 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15753 before passing it to emit_move_insn.
15755 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15757 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15759 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15760 Clarify documentation.
15761 * c-common.h (warn_write_strings): Remove.
15762 * c-common.c (warn_write_strings): Likewise.
15763 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15766 2006-02-12 Roger Sayle <roger@eyesopen.com>
15768 PR middle-end/25724
15769 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15770 (do_jump_parts_zero_rtx): New function renamed from
15771 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15772 (do_jump_parts_equality_rtx): New function split out from
15773 do_jump_parts_equality. Old implementation renamed as above.
15774 Call do_jump_parts_zero_rtx if either operand is zero.
15775 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15776 do all of the heavy lifting.
15777 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15778 calling either do_jump_by_parts_greater_rtx or
15779 do_jump_by_parts_equality_rtx.
15780 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15781 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15782 moved to do_compare_rtx_and_jump, call it directly.
15783 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15784 mode argument. Call do_compare_rtx_and_jump.
15785 (emit_case_nodes): Update calls to do_jump_if_equal.
15787 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15789 PR rtl-optimization/26225
15790 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15792 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15794 PR rtl-optimization/26232
15795 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15797 2006-02-11 Jason Merrill <jason@redhat.com>
15800 * tree-inline.c (declare_return_variable): Just don't use the
15801 modify target if it's a gimple complex reg and the return slot
15804 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15806 * doc/contrib.texi: Update my entry.
15808 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15810 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15812 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15814 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15817 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15819 * doc/invoke.texi (-floop-optimize2): Removed.
15820 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15821 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15822 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15823 * common.opt (floop-optimize2): Removed.
15824 (fmove-loop-invariants): Enabled by default.
15826 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15828 * tree-if-conv.c (combine_blocks): Free the result of
15829 get_loop_exit_edges.
15831 2006-02-10 Jeff Law <law@redhat.com>
15833 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15835 PR tree-optimization/26213
15836 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15837 loop trying to follow SSA_NAME_VALUE chains.
15839 2006-02-10 Richard Guenther <rguenther@suse.de>
15841 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15842 deal with structures that end in implicitly variable sized arrays.
15844 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15846 PR rtl-optimization/24762
15847 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15850 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15852 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15853 (struct ivopts_data): Add regs_used field.
15854 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15855 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15856 instead of loop_data->regs_used;
15857 (free_loop_data): Do not free aux fields for loops.
15858 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15859 and tree_ssa_iv_optimize_finalize.
15861 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15863 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15865 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15868 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15869 computing the effective result type.
15871 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15873 PR inline-asm/16194
15874 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15875 (tree_overlaps_hard_reg_set): Declare.
15876 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15877 type and signature to match function type expected by walk_tree.
15878 (tree_overlaps_hard_reg_set): New function.
15879 (decl_conflicts_with_clobbers_p): Rename to:
15880 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15881 Use tree_overlaps_hard_reg_set. Changed caller.
15882 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15883 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15884 * cris.c (cris_md_asm_clobbers): Likewise.
15886 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15888 * reload1.c (emit_input_reload_insns): Delete code that tries to
15889 inherit using find_equiv_reg.
15891 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15893 * c-common.h (flag_const_strings): Don't declare.
15894 * c-common.c (flag_const_strings): Remove.
15895 * c.opt (fconst_strings): Remove.
15896 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15897 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15898 (c_common_init_options): Don't set flag_const_strings.
15899 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15901 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15903 * arm.md (tlobits_cbranch): New pattern.
15904 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15905 testing a single bit.
15907 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15910 * tree-ssa-pre.c (create_component_ref_by_pieces):
15911 Handle RETURN_DECL like VAR_DECL.
15913 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15915 PR middle-end/26134
15916 * fold-const.c (fold_indirect_ref_1): Fold
15917 "*(foo *)&complexfoo" to "__real__ complexfoo"
15918 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15920 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15922 * tree-flow-inline.h (var_can_have_subvars):
15923 Volatile variables should not have subvariables.
15925 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15928 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15929 multiplying unsigned values.
15932 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15934 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15936 2006-02-08 Jason Merrill <jason@redhat.com>
15939 * tree.def: Elaborate on difference from MODIFY_EXPR.
15940 * doc/c-tree.texi (INIT_EXPR): Likewise.
15941 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15942 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15943 (gimplify_target_expr): Likewise.
15944 (gimplify_cond_expr): Remove target handling.
15945 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15946 (gimplify_expr): Clobber it here.
15947 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15948 Do return slot optimization if we have an INIT_EXPR.
15951 * tree-inline.c (declare_return_variable): Also clear
15952 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15955 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15957 PR middle-end/22439
15958 * gimplify.c (gimplify_one_sizepos): Fix typo.
15960 2006-02-08 Jeff Law <law@redhat.com>
15962 PR tree-optimization/21417
15963 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15964 across a backedge if the control statement at the end of the
15965 block is data dependent on other statements in the same block.
15966 (record_temporary_equivalences_from_stmts): Remove over-conservative
15967 test for threading across backedges.
15969 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15970 control statement, handle all three special cases in the same
15971 manner as they all have the same desired solution. No longer
15972 special case edge flag updating when the post dominator is
15975 2006-02-08 Roger Sayle <roger@eyesopen.com>
15977 * tree.def (CHAR_TYPE): Remove.
15978 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15979 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15980 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15981 (gen_string_type_die): Delete unreachable function.
15983 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15984 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15985 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15986 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15987 * builtins.c (type_to_class): Likewise.
15988 * fold-const.c (fold_convert, build_range_check,
15989 merge_ranges): Likewise.
15990 * expr.c (count_type_elements): Likewise.
15991 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15992 * stor-layout.c (layout_type): Likewise.
15993 * ipa-type-escape.c (type_to_consider): Likewise.
15994 * gimplify.c (omp_firstprivatize_type_sizes,
15995 gimplify_type_sizes): Likewise.
15996 * explow.c (promote_mode): Likewise.
15997 * tree-sra.c (is_sra_scalar_type): Likewise.
15998 * varasm.c (output_constant): Likewise.
15999 * tree-inline.c (remap_type_1): Likewise.
16000 * convert.c (convert_to_pointer, convert_to_real,
16001 convert_to_integer, convert_to_complex): Likewise.
16003 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
16005 * df-scan.c (df_def_record_1): A set destination may
16006 be a parallel regardless of mode.
16008 2006-02-08 Roger Sayle <roger@eyesopen.com>
16011 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
16012 * config/mips/_tilib.c: Remove.
16013 * config/fixtfdi.c: New libgcc source file.
16014 * config/fixunstfdi.c: New source file.
16015 * config/floatditf.c: New source file.
16016 * config/floatunditf.c: New souce file.
16017 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
16018 files above instead of config/mips/_tilib.c.
16019 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
16021 2006-02-08 Jeff Law <law@redhat.com>
16023 PR tree-optimization/26169
16024 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
16027 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
16029 * df.h (DF_REG_SIZE): Return the length of the initialized
16032 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
16034 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
16035 __muldf3): Return a correctly signed zero.
16037 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
16039 * passes.c (register_one_dump_file): Accept the current properties
16040 instead of pass number. Adjust call to dump_register. Remove
16042 (register_dump_files): Now a wrapper around...
16043 (register_dump_files_1): ... this one. Do not modify the pass
16045 (next_pass_1): Cosmetic fix.
16046 (execute_todo): Keep second parameter only. Use curr_properties
16047 instead of fetching it from the pass structure. Check and set
16049 (execute_one_pass): Handle TODO_set_props. Use curr_properties
16050 instead of fetching it from the pass structure. Fix calls to
16051 execute_todo. Update curr_properties and initialize .vcg RTL dump
16052 after running the pass. Reset last_verified.
16053 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
16055 (FIRST_AUTO_NUMBERED_DUMP): New.
16056 (dump_register): Remove "num" parameter, assign it within the
16058 (get_dump_file_name): Modify template for dumps.
16059 * tree-dump.h (dump_register): Adjust prototype.
16060 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
16061 (PROP_trees): Add PROP_gimple_lomp.
16062 (TODO_set_props): New.
16063 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
16064 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
16065 * cfgexpand.c (pass_expand): Destroy PROP_trees.
16067 2006-02-08 Jakub Jelinek <jakub@redhat.com>
16069 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
16070 (sparc64-*-linux*): Likewise.
16071 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
16072 * config/sparc/t-linux: New file.
16073 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
16074 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
16075 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
16076 -m32 -mlong-double-128.
16078 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
16079 * config/alpha/t-linux: New file.
16080 * config/alpha/libgcc-alpha-ldbl.ver: New file.
16082 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
16083 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
16084 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
16085 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
16086 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
16087 (CPP_ARCH32_SPEC): Remove.
16089 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
16091 PR tree-optimization/26145
16092 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
16095 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16098 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
16099 >= 240000 when generating code for SOM runtime.
16100 (output_indirect_call): Don't use "b,l" instruction for indirect calls
16101 to $$dyncall when generating code for SOM runtime..
16103 2006-02-07 Dirk Mueller <dmueller@suse.com>
16106 * doc/invoke.texi (-Wsequence-point): Update documentation
16107 that -Wsequence-point is implemented for C++ as well.
16109 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16111 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16112 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16113 (LIB_SPEC): Likewise.
16114 * doc/invoke.texi (SPARC options): Document -pthread.
16116 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16118 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16121 2006-02-07 Roger Sayle <roger@eyesopen.com>
16123 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16124 Correct comment describing BOOLEAN_TYPE.
16126 2006-02-07 Dirk Mueller <dmueller@suse.com>
16128 * c.opt: C++ frontend supports -Wdiv-by-zero.
16129 * c-opts.c (c_common_handle_option): Remove dead case.
16131 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16133 * configure.ac (TLS assembler check): Do not enable TLS by
16134 default on SPARC/Solaris before version 10.
16135 * configure: Regenerate.
16137 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16139 * doc/invoke.texi (xl-compat): Document conversion and support
16142 2006-02-07 Jeff Law <law@redhat.com>
16144 * tree-vrp.c (find_conditional_asserts): Update comments.
16145 (simplify_stmt_for_jump_threading): New.
16146 (identify_jump_threads, finalize_jump_threads): New.
16147 (vrp_finalize): Call identify_jump_threads.
16148 (execute_vrp): Call finalize_jump_threads.
16149 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16150 (vrp_element, vrp_data, vrp_element_p): Remove.
16151 (vrp_hash_elt, vrp_variables_stack): Remove.
16152 (vrp_hash, vrp_eq, record_range): Remove.
16153 (simplify_cond_and_lookup_avail_expr): Remove.
16154 (extract_range_from_cond): Remove.
16155 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16156 (simplify_stmt_for_jump_threading): New.
16157 (dom_thread_across_edge): New wrapper.
16158 (tree_ssa_dominator_optimize): No longer initialize or
16159 finalize any of the VRP datastructures. Remove iteration
16160 step and simplify as a result of removal of iteration step.
16161 (pass_dominator): Perform a cfg cleanup after DOM.
16162 (dom_opt_finalize_block): Use the new common routines
16163 for threading jumps. Simplify stack management slightly.
16164 No longer need to unwind VRP state.
16165 (record_equivalences_from_incoming_edge): No longer record
16167 (eliminate_redundant_computations): No longer call
16168 simplify_cond_and_lookup_avail_expr.
16169 * tree-flow.h (potentially_threadable_block): Prototype.
16170 (thread_across_edge): Likewise.
16171 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16172 (tree-ssa-threadedge.o): Add dependencies.
16173 * tree-ssa-threadedge.c: New file.
16174 * passes.c (init_optimization_passes): Merge PHIs before
16175 calling VRP. Run VRP again late in the SSA optimization pipeline.
16177 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16179 * df-core.c (df_set_blocks): Do not dereference function pointers.
16180 (df_finish1): Likewise.
16181 (df_hybrid_search_forward): Likewise.
16182 (df_hybrid_search_backward): Likewise.
16183 (df_iterative_dataflow): Likewise.
16184 (df_analyze_problem): Likewise.
16185 (df_compact_blocks): Likewise.
16186 (df_dump): Likewise.
16187 * df-scan.c (df_rescan_blocks): Likewise.
16188 (df_record_entry_block_defs): Likewise.
16190 * genconditions.c (write_conditions): Guard the definition of
16191 'insn_conditions' with the check on GCC version.
16192 (write_writer): Guard the traversal 'insn_conditions' with
16193 the check on GCC version.
16195 2006-02-07 Richard Guenther <rguenther@suse.de>
16199 2006-01-30 Richard Guenther <rguenther@suse.de>
16201 * gimplify.c (gimplify_target_expr): Handle easy cases
16202 without creating a temporary.
16204 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16206 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16207 use of float in probability computations. Use edge probabilities
16208 in place of statically computed probabilities.
16209 (min_spec_prob): New static variable.
16210 (schedule_insns): Initialize it.
16211 (GET_SRC_PROB): Removed.
16212 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16214 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16217 * config/ia64/unwind-ia64.c: Revert last change.
16218 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16219 (INCOMING_FRAME_SP_OFFSET): Define.
16221 2006-02-06 Roger Sayle <roger@eyesopen.com>
16223 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16225 2006-02-07 Ben Elliston <bje@au.ibm.com>
16227 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16228 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16229 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16230 (ix86_return_in_memory): Handle TDmode.
16231 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16232 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16234 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16236 * reorg.c (dbr_schedule): Use dump_file instead of file.
16238 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16241 * config/ia64/predicates.md (extr_len_operand): New predicate.
16242 * config/ia64/ia64.md (extv): Tighten constraints.
16244 (*tbit_and_2): Ditto.
16245 (*tbit_and_3): Ditto.
16246 (*tbit_or_2): Ditto.
16247 (*tbit_or_3): Ditto.
16248 (*bit_zero): Ditto.
16251 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16254 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16256 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16258 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16259 loop_optimizer_init and loop_optimizer_finalize
16260 * tree-ssa-sink.c (execute_sink_code): Ditto.
16261 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16262 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16263 tree_ssa_loop_done): Ditto.
16264 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16265 * sched-ebb.c: Include output.h.
16266 (schedule_ebbs): Do not use dump argument.
16267 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16268 * loop.c (loop_dump_stream): Removed.
16269 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16271 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16272 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16273 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16274 loop_iterations, strength_reduce, record_biv, record_giv,
16275 final_giv_value, check_final_value, check_ext_dependent_givs,
16276 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16277 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16278 dump_file instead of loop_dump_stream.
16279 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16280 argument dump_file.
16281 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16283 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16284 * haifa-sched.c: Include output.h
16285 (schedule_insns, sched_init): Do not use dump argument.
16286 * mode-switching.c (optimize_mode_switching): Ditto.
16287 * modulo-sched.c (stats_file): Removed.
16288 (print_node_sched_params): Do not call argument dump_file.
16289 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16290 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16292 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16294 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16295 rtl_loop_init, rtl_loop_done): Ditto.
16296 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16297 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16299 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16300 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16301 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16302 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16303 * emit-rtl.c (renumber_insns): Ditto.
16304 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16305 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16306 * regclass.c (regclass): Ditto.
16307 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16308 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16309 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16310 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16312 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16313 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16315 * gcse.c (gcse_file, debug_stderr): Removed.
16316 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16317 rest_of_handle_gcse): Do not use dump argument.
16318 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16319 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16320 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16321 compute_code_hoist_vbeinout, compute_code_hoist_data,
16322 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16323 compute_store_table, build_store_vectors, insert_insn_start_bb,
16324 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16325 store_motion): Use dump_file instead of gcse_file.
16326 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16327 * profile.c (profile_dump_file): Removed.
16328 (branch_prob): Use dump_file instead of profile_dump_file.
16329 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16331 * tree-ssa-copy.c (dump_copy_of): Ditto.
16332 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16333 dump file to life_analysis.
16334 * bt-load.c (branch_target_load_optimize): Ditto.
16335 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16337 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16338 regclass, dbr_schedule): Declaration changed.
16339 * sched-int.h (sched_init): Declaration changed.
16340 * tree-profile.c (tree_profile_dump_file): Removed.
16341 (tree_profile_hooks): Removed profile_dump_file hook.
16342 * rtl-profile (rtl_profile_dump_file): Removed.
16343 (rtl_profile_hooks): emoved profile_dump_file hook.
16344 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16346 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16347 * tree-cfg.c (build_tree_cfg): Ditto.
16348 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16349 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16350 Declaration changed.
16351 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16352 life_analysis and schedule_insns.
16353 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16355 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16357 * config/mips/mips.c (mips_reorg): Ditto.
16358 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16361 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16363 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16364 (s390_mangle_fundamental_type): New.
16365 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16368 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16369 (alpha_mangle_fundamental_type): New.
16370 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16373 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16375 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16377 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16378 (sparc_mangle_fundamental_type): New.
16380 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16382 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16383 (s390x-*-linux*): Likewise.
16384 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16385 * config/s390/t-linux: New file.
16387 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16389 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16390 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16392 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16394 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16395 (ANTIC_SAFE_LOADS): New macro.
16396 (find_or_generate_expression): Add prototype.
16397 (set_contains_value): Allow null set for sake of not always having
16398 to allocate ANTIC_SAFE_LOADS.
16399 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16400 Allow COMPONENT_REF too.
16401 (valid_in_set): Allow COMPONENT_REF.
16402 Check ANTIC_SAFE_LOADS too.
16403 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16404 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16406 (can_PRE_operation): Add COMPONENT_REF.
16407 (create_component_ref_by_pieces): New function.
16408 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16409 (insert_aux): Move AGGREGATE_TYPE_P check here.
16410 (compute_avail): Set bb local stmt uids.
16411 (pass_pre): Use TODO_update_ssa_only_virtuals.
16413 2006-02-06 Ben Elliston <bje@au.ibm.com>
16415 * configure.ac: Unconditionally disable decimal float by default.
16416 * configure: Regenerate.
16418 2006-02-06 Ben Elliston <bje@au.ibm.com>
16420 * read-rtl.c (read_name): Terminate reading on EOF.
16422 2006-02-06 Ben Elliston <bje@au.ibm.com>
16424 * dfp.c (decimal_real_arithmetic): Change second argument type
16425 from int to enum tree_code. Do not always return true, but now
16426 return result of any call to decimal_do helper functions.
16427 * dfp.h (decimal_real_arithmetic): Update prototype.
16429 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16431 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16433 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16436 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16439 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16441 * tree-vrp.c (cfg_loops): Removed.
16442 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16443 Use current_loops instead of cfg_loops. Pass flags to
16444 loop_optimizer_init.
16445 * cfgloopmanip.c (fix_loop_structure): Update only available
16447 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16448 loop_optimizer_init.
16449 * modulo-sched.c (build_loops_structure): Removed.
16450 (sms_schedule): Use loop_optimizer_init.
16451 * loop-init.c (loop_optimizer_init): Use flags to determine
16452 which properties of loops to prepare.
16453 (rtl_loop_init): Pass flags to loop_optimizer_init.
16454 * tree-ssa-sink.c (execute_sink_code): Ditto.
16455 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16456 * tree-ssa-pre.c (init_pre): Ditto.
16457 * cfgloop.h (LOOPS_NORMAL): New.
16458 (loop_optimizer_init): Declaration changed.
16460 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16462 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16463 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16465 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16467 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16469 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16470 * pa/t-pa64: Delete quadlib.c rule.
16471 * pa/x-ada: Revert last change.
16472 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16474 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16476 PR rtl-optimization/26087
16477 * rtlanal.c (canonicalize_condition): Do not cross basic block
16480 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16483 * config/ia64/ia64.c: Include debug.h.
16484 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16485 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16486 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16487 (process_epilogue, process_set, process_for_unwind_directive):
16488 Output unwind info only if requested. Add CFA info if requested.
16489 Add new arguments as needed. Adjust callers.
16490 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16492 (DWARF2_FRAME_INFO): Define to zero.
16493 * config/ia64/unwind-ia64.c: Remove code that compensated for
16494 the CFA offset error fixed above.
16495 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16496 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16497 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16498 -funwind-tables and -fexceptions to enable frame info.
16499 (dwarf2out_frame_init): Define initial CFA even if
16500 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16501 DWARF2_UNWIND_INFO is nonzero, not just defined.
16502 (dwarf2out_frame_finish): Output non-EH call frame info only
16503 if DWARF2_FRAME_INFO is nonzero.
16504 (convert_cfa_to_loc_list,
16505 compute_frame_pointer_to_cfa_displacement): Define even if
16506 unwind info is not supported.
16507 (gen_subprogram_die): Use the above unconditionally. Remove
16508 legacy alternate code.
16509 * toplev.c (compile_file): Compile in call to
16510 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16511 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16513 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16514 Jakub Jelinek <jakub@redhat.com>
16516 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16517 IBM extended float format long double as "g" on powerpc*-linux.
16519 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16522 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16523 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16525 2006-02-03 Jason Merrill <jason@redhat.com>
16528 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16530 PR middle-end/25977
16531 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16532 on the return slot if it's an NRV.
16534 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16536 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16537 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16538 rewrite_use): Do not handle USE_OUTER.
16539 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16540 add_iv_outer_candidates, may_replace_final_value,
16541 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16542 (find_interesting_uses_op): Functionality of
16543 find_interesting_uses_outer_or_nonlin moved here.
16544 (find_interesting_uses_outside): Use find_interesting_uses_op.
16546 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16549 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16551 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16552 Ulrich Weigand <uweigand@de.ibm.com>
16555 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16556 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16557 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16558 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16560 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16561 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16562 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16563 Define secondary reloads for TFmode moves.
16564 (constant_modes): Add TFmode.
16565 (NR_C_MODES): Set to 8.
16566 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16568 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16569 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16570 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16571 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16572 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16573 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16574 (FPR mode macro): Add TFmode.
16575 (DSF mode macro): New.
16576 (<de>, <dee> mode attributes): Removed.
16577 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16578 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16579 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16580 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16581 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16582 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16583 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16584 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16585 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16586 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16587 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16588 "*negabs<mode>2", "sqrt<mode>2"):
16589 Changed <de> to <xde>. R constraint replaced by <Rf>.
16590 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16592 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16593 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16594 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16596 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16597 "extenddftf2", "extendsftf2"): New expanders.
16598 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16599 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16600 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16601 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16603 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16604 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16605 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16606 __floatditf): Add a GCC_4.1.0 symbol version tag.
16607 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16610 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16613 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16614 Use targetm.binds_local_p instead of TREE_PUBLIC.
16616 2006-02-02 Roger Sayle <roger@eyesopen.com>
16618 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16619 on INTEGER_TYPEs to indicate that it denotes a character type.
16620 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16621 signed_char_type_node, unsigned_char_type_node and char_type_node.
16622 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16623 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16624 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16626 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16627 Daniel Berlin <dberlin@dberlin.org>
16629 * tree-tailcall.c (arg_needs_copy_p): New function.
16630 (eliminate_tail_call): Use arg_needs_copy_p.
16631 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16632 (add_virtual_phis): New function.
16634 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16636 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16637 #ignore instead of #scratch for %g7 .register directive.
16639 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16641 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16644 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16646 * flow.c (calculate_global_regs_live): Assert that there aren't any
16649 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16651 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16652 what its name says.
16653 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16654 bsi_after_labels iterator.
16655 * tree-if-conv.c (find_phi_replacement_condition,
16656 replace_phi_with_cond_modify_expr): Likewise.
16657 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16658 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16660 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16662 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16664 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16667 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16668 array after growing it.
16670 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16672 PR middle-end/24901
16673 * fold-const.c (fold_checksum_tree): Change type of buf.
16675 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16677 * reload.c (push_secondary_reload): Initialize t_icode.
16679 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16681 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16682 -msoft-float -mlong-double-128 only issue a warning, but don't
16683 swich to DFmode long double.
16685 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16687 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16688 has a constant equivalent, iterate over equivalents for arg0,
16689 calling simplify_relational_operation and if there's a result
16690 cheaper than X, apply fold_rtx and return the result.
16692 2006-02-01 Jan Hubicka <jh@suse.cz>
16694 * opts.c (no_unit_at_a_time_default): New global variable.
16695 (decode_options): Use it.
16696 * opts.h (no_unit_at_a_time_default): Declare.
16698 2006-02-01 Paul Brook <paul@codesourcery.com>
16700 * function.c (assign_parm_setup_reg): Use function argument promotion
16702 * expr.c (expand_expr_real_1): Use function argument promotion rules
16705 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16707 * gcc.c (process_command): Change j to 'unsigned int'.
16709 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16711 PR middle-end/26001
16712 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16713 Use the corrected index for the character
16714 out of the string constant.
16716 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16718 * mode-switching.c (optimize_mode_switching): Fix size
16719 allocated for bb_info[n_entities].
16721 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16723 * gcc.c (main): Correct type that is allocated for
16724 explicit_link_files.
16726 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16728 * config/s390/s390.c (init_alignment_context): Set
16729 ALIAS_SET_MEMORY_BARRIER on the MEM.
16730 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16732 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16734 PR middle-end/25933
16735 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16737 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16740 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16742 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16743 * regrename.c: Ditto.
16744 * tree-ssa-loop-im.c: Ditto.
16745 * tree-dump.c: Ditto.
16746 * tree-complex.c: Ditto.
16747 * genrecog.c: Ditto.
16748 * tree-ssa-threadupdate.c: Ditto.
16750 * java/class.c: Ditto.
16751 * java/jcf-parse.c: Ditto.
16752 * java/resource.c: Ditto.
16753 * java/except.c: Ditto.
16754 * java/jvspec.c: Ditto.
16755 * java/jcf-write.c: Ditto.
16756 * java/jcf-path.c: Ditto.
16757 * java/gjavah.c: Ditto.
16758 * java/zextract.c: Ditto.
16759 * java/jcf-io.c: Ditto.
16760 * java/jcf.h: Ditto.
16761 * java/buffer.c: Ditto.
16762 * java/lang.c: Ditto.
16763 * java/parse-scan.y: Ditto.
16764 * java/lex.c: Ditto.
16765 * java/lex.h: Ditto.
16766 * cfgloopmanip.c: Ditto.
16767 * postreload-gcse.c: Ditto.
16768 * tree-ssa-loop-manip.c: Ditto.
16769 * postreload.c: Ditto.
16770 * tree-ssa-loop-ch.c: Ditto.
16773 * cppspec.c: Ditto.
16774 * diagnostic.c: Ditto.
16776 * genoutput.c: Ditto.
16778 * cfghooks.c: Ditto.
16779 * cfgloopanal.c: Ditto.
16780 * objc/objc-act.c: Ditto.
16782 * genextract.c: Ditto.
16783 * genautomata.c: Ditto.
16784 * pretty-print.c: Ditto.
16785 * genemit.c: Ditto.
16786 * cgraphunit.c: Ditto.
16788 * df-scan.c: Ditto.
16789 * haifa-sched.c: Ditto.
16790 * dominance.c: Ditto.
16792 * tree-ssa-loop-ivopts.c: Ditto.
16793 * df-core.c: Ditto.
16794 * mode-switching.c: Ditto.
16795 * modulo-sched.c: Ditto.
16797 * ipa-pure-const.c: Ditto.
16799 * fix-header.c: Ditto.
16801 * tree-stdarg.c: Ditto.
16802 * ipa-utils.c: Ditto.
16803 * loop-init.c: Ditto.
16804 * ipa-inline.c: Ditto.
16805 * cfganal.c: Ditto.
16807 * alloc-pool.c: Ditto.
16808 * dwarf2out.c: Ditto.
16810 * genattrtab.c: Ditto.
16811 * tree-ssa-loop-ivcanon.c: Ditto.
16812 * predict.c: Ditto.
16813 * timevar.c: Ditto.
16815 * fortran/gfortranspec.c: Ditto.
16816 * regmove.c: Ditto.
16817 * local-alloc.c: Ditto.
16818 * langhooks.c: Ditto.
16819 * function.c: Ditto.
16820 * tree-vectorizer.c: Ditto.
16822 * ipa-type-escape.c: Ditto.
16824 * tree-if-conv.c: Ditto.
16825 * profile.c: Ditto.
16827 * tree-data-ref.c: Ditto.
16828 * loop-unroll.c: Ditto.
16829 * treelang/treetree.c: Ditto.
16831 * bt-load.c: Ditto.
16832 * ggc-common.c: Ditto.
16834 * coverage.c: Ditto.
16836 * tree-cfgcleanup.c: Ditto.
16837 * tree-ssa-pre.c: Ditto.
16838 * cfgcleanup.c: Ditto.
16839 * loop-invariant.c: Ditto.
16840 * loop-iv.c: Ditto.
16841 * ipa-prop.c: Ditto.
16842 * print-tree.c: Ditto.
16843 * conflict.c: Ditto.
16844 * ggc-page.c: Ditto.
16845 * sched-deps.c: Ditto.
16846 * regclass.c: Ditto.
16847 * tree-object-size.c: Ditto.
16848 * combine.c: Ditto.
16849 * bb-reorder.c: Ditto.
16850 * resource.c: Ditto.
16851 * var-tracking.c: Ditto.
16852 * cfgloop.c: Ditto.
16853 * df-problems.c: Ditto.
16854 * reg-stack.c: Ditto.
16856 * gccspec.c: Ditto.
16857 * sched-rgn.c: Ditto.
16858 * tree-ssa-structalias.c: Ditto.
16859 * tree-ssa-reassoc.c: Ditto.
16860 * config/darwin-c.c: Ditto.
16861 * config/darwin.c: Ditto.
16862 * config/arm/arm.c: Ditto.
16864 * collect2.c: Ditto.
16865 * reload1.c: Ditto.
16867 2006-01-31 Nicolas Pitre <nico@cam.org>
16869 * arm.md (smaxsi3): Make aware of smax_m1.
16872 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16874 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16876 2006-01-31 Richard Guenther <rguenther@suse.de>
16878 * doc/invoke.texi (-msselibm): Document.
16879 * target.h (expand_library_builtin): New target hook.
16880 * builtins.c (expand_builtin): Use expand_library_builtin.
16881 (default_expand_library_builtin): New function.
16882 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16883 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16884 (link_gcc_math_spec): Declare.
16885 (static_specs): Add link_gcc_math_spec.
16886 * expr.h (default_expand_library_builtin): Declare.
16887 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16888 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16889 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16890 * config/i386/i386.opt (msselibm): New target option.
16891 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16892 (ix86_init_sse_abi_builtins): New function.
16893 (ix86_expand_library_builtin): Likewise.
16894 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16895 (override_options): Handle error conditions wrt -msselibm.
16896 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16897 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16898 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16901 2006-01-31 Richard Guenther <rguenther@suse.de>
16902 Paolo Bonzini <bonzini@gnu.org>
16904 * doc/install.texi (--disable-libgcc-math): Document.
16906 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16908 * expr.h (expand_normal): new inline function.
16909 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16910 * dojump.c: use it.
16911 * dwarf2out.c: use it.
16914 * expmed.c: use it.
16915 * except.c: use it.
16916 * config/sparc/sparc.c: use it.
16917 * config/i386/i386.c: use it.
16918 * config/rs6000/rs6000.c: use it.
16919 * config/arm/arm.c: use it.
16920 * config/mips/mips.c: use it.
16921 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16923 2006-01-30 Roger Sayle <roger@eyesopen.com>
16925 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16926 argv to the appropriate type.
16928 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16930 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16933 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16936 * config/s390/s390.c (struct machine_function): New flag
16937 decomposed_literal_pool_addresses_ok_p.
16938 (s390_reorg): Set it before final stage of literal pool transforms.
16939 (s390_decompose_address): Only accept displacements of the form
16940 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16942 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16944 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16945 the comparison routine return.
16947 2006-01-30 Michael Matz <matz@suse.de>
16949 * global.c (find_reg): Only evict for global regs.
16950 Take n_refs into account and dump more info.
16952 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16955 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16956 (pragma_trap, pragma_nosave_low_regs): Likewise.
16957 (current_function_anonymous_args): Likewise.
16958 (sh_deferred_function_attributes): New variable.
16959 (sh_deferred_function_attributes_tail): Likewise.
16960 (print_operand): For '@', look up trap_exit attribute.
16961 (calc_live_regs): Look up trapa_handler attribute. For trapa
16962 handlers, save/restore fpscr, but don't do any other
16963 interrupt-specific saves.
16964 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16965 Fix check for partially saved registers to check for SHmedia.
16966 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16967 (sh_output_function_epilogue): Don't clear any of the removed
16969 (sh_insert_attributes): Don't check pragma_interrupt.
16970 Insert deferred attributes. Check that interrupt attribute is
16971 present for other attributes that require its presence.
16972 (sh_attribute_table): Add new attributes trapa_handler and
16974 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16975 Don't check for pragma_interrupt. Don't store argument.
16976 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16977 (sh_deferred_function_attributes): Declare.
16978 (sh_deferred_function_attributes_tail): Likewise.
16979 * sh.md (sp_switch_1): Add operand. Change generator caller.
16980 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16981 (*return_i): Don't use when trap_exit attribute is in effect.
16982 (*return_trapa): New insn pattern.
16983 * sh-c.c: New file.
16984 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16985 setting c_target_objs and cxx_target_objs.
16986 * t-sh: Add rule for sh-c.o.
16988 2006-01-30 Richard Guenther <rguenther@suse.de>
16991 * gimplify.c (gimplify_target_expr): Handle easy cases
16992 without creating a temporary.
16994 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16996 * vec.h (safe_grow): Remove duplicated line.
16998 2006-01-29 Diego Novillo <dnovillo@redhat.com>
17001 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
17002 (expand_omp): ... here.
17003 (expand_omp_parallel): Only remove barriers for combined
17004 parallel+workshare constructs.
17006 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
17010 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
17011 * tree.c (build_qualified_type): Chain the new type to the original
17012 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
17013 a POINTER_TYPE or a REFERENCE_TYPE respectively.
17014 (build_pointer_type_for_mode): Only return unqualified types.
17015 (build_reference_type_for_mode): Likewise.
17017 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
17019 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
17020 * Makefile.in (CXX_COMPAT_WARN): Define.
17021 * configure: Regenerate.
17023 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
17026 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
17029 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17031 * toplev.c: Fix thinko.
17033 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17034 Marcin Dalecki <martin@dalecki.de>
17036 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
17037 (push_srcloc): Use XNEW.
17038 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
17040 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
17042 * df-core.c (df_set_blocks): Deleted all variable.
17044 2006-01-28 Ian Lance Taylor <ian@airs.com>
17046 * cgraphunit.c (cgraph_assemble_pending_functions): Call
17047 cgraph_output_pending_asms.
17049 2006-01-28 Zack Weinberg <zackw@panix.com>
17051 * c.opt: Add -W(no-)overlength-strings.
17052 * doc/invoke.texi: Document it.
17053 * c-opts.c (c_common_handle_option): -pedantic implies
17054 -Woverlength-strings, if not explicitly disabled already.
17055 (c_common_post_options): -Woverlength-strings defaults to off, and
17056 is always off for C++.
17057 * c-common.c (fix_string_type): Issue warning about strings longer
17058 than is portable only if warn_overlength_strings. Rearrange code
17059 a little for clarity.
17060 * configure.in: Check for -Wno-overlength-strings as well before
17061 enabling -pedantic in stage 1.
17062 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
17063 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
17065 * genconditions.c (write_header, write_one_condition)
17066 (write_conditions, write_writer): Consolidate very long strings
17067 that were broken up to fit in C89 portable limit. Don't use
17068 printf when fputs will do.
17070 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
17072 * combine.c (simplify_comparison <AND>): Check
17073 TRULY_NOOP_TRUNCATION before start using a subreg.
17075 * config/mips/mips.md (*branch_zero<mode>,
17076 *branch_zero<mode>_inverted, *branch_equality<mode>,
17077 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
17078 Remove mode check from comparisons.
17080 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
17082 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
17084 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17086 * expmed.c (const_mult_add_overflow_p): Remove.
17087 * expr.h: Remove the prototype for const_mult_add_overflow_p.
17089 * recog.c (validate_replace_rtx_subexp): Remove.
17090 * recog.h: Remove the prototype for
17091 validate_replace_rtx_subexp.
17093 * integrate.h: Remove the prototype for
17094 copy_decl_for_inlining.
17095 * rtl.h: Remove the prototype for mark_constant_function.
17096 * tree-vectorizer.h: Remove the prototype for
17097 vect_strip_conversion.
17099 * modulo-sched.c (create_partial_schedule,
17100 free_partial_schedule, reset_partial_schedule): Make them
17103 * hooks.c (hook_bool_rtx_int_false): Remove.
17104 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17106 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17108 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17109 and -mlong-double-128 are incompatible.
17110 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17111 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17112 (TARGET_LIBGCC2_CFLAGS): Define.
17113 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17114 (TARGET_LIBGCC2_CFLAGS): Same.
17115 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17117 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17120 * c-typeck.c (build_binary_op): Perform implicit casts of
17121 operands before shortening them.
17123 * cfgloopmanip.c (split_loop_bb): Remove.
17124 * cfgloop.h: Remove the prototype for split_loop_bb.
17126 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17127 * cfgloop.h: Remove the prototype for
17128 flow_loop_outside_edge_p.
17130 * emit-rtl.c (init_virtual_regs): Make it static.
17131 * function.h: Remove the prototype for init_virtual_regs.
17133 * recog.c (peephole2_optimize): Make it static.
17134 * recog.h: Remove the prototype for peephole2_optimize.
17136 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17138 * df-scan.c (df_record_entry_block_defs): Check if
17139 INCOMING_RETURN_ADDR_RTX is defined.
17141 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17142 Kenneth Zadeck <zadeck@naturalbridge.com>
17144 PR rtl-optimization/24762
17145 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17146 * targhooks.c (hook_void_bitmap): New hook prototype.
17147 * targhoohs.h (hook_void_bitmap): Ditto.
17148 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17149 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17150 * target.h (live_on_entry): New function pointer.
17151 * df-scan.c (df_all_hard_regs): Removed.
17152 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17153 (df_scan_free_internal): Added df->entry_block_defs.
17154 (df_scan_alloc): Ditto.
17155 (df_scan_dump): Ditto.
17156 (df_uses_record): Plumbed flag field properly thru calls.
17157 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17158 This part fixes PR24762.
17159 (df_bb_refs_record): Added code to make the frame and arg
17160 pointers live in EH blocks.
17161 (df_refs_record): Added call to df_record_entry_block_defs.
17162 (df_record_entry_block_defs): New function.
17163 * df-core.c: Added comments to describe new artifical defs.
17164 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17165 (entry_block_defs): New field in struct df.
17166 (df_all_hard_regs): Deleted.
17167 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17168 * df-problems.c (df_ru_bb_local_compute_process_def):
17169 Added code to handle artifical defs in the entry to a function.
17170 (df_ru_bb_local_compute): Ditto.
17171 (df_rd_bb_local_compute_process_def): Ditto.
17172 (df_rd_bb_local_compute): Ditto.
17173 (df_lr_bb_local_compute): Ditto.
17174 (df_ur_bb_local_compute): Ditto.
17175 (df_urec_bb_local_compute): Ditto.
17176 (df_chain_create_bb): Ditto.
17177 (df_ur_local_finalize): Removed entry.
17178 (df_urec_init): Ditto.
17179 (df_urec_local_finalize): Ditto.
17180 (df_ri_bb_compute): Added detection of last use of pseudos.
17181 * Makefile.in (df-scan.o): Updated dependencies.
17182 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17183 * config/mips/mips.c (mips_set_live_on_entry): Added.
17184 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17186 * dce.c (marked_insn_p): Added code to handle artifical defs.
17188 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17190 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17192 (_mm_cvtsi128_si64): Likewise.
17193 (_mm_cvtsd_si64): Likewise.
17194 (_mm_cvttsd_si64): Likewise.
17195 (_mm_cvtsi64_sd): Likewise.
17196 (_mm_cvtsi64_si128): Likewise.
17197 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17198 (_mm_cvtsi64_m64): Likewise.
17199 (_m_to_int64): Likewise.
17200 (_mm_cvtm64_si64): Likewise.
17201 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17202 (_mm_cvttss_si64): Likewise.
17203 (_mm_cvtsi64_ss): Likewise.
17204 (_mm_cvtss_f32): Likewise.
17206 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17208 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17209 for pragma redefine_extname.
17211 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17214 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17215 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17216 -mno-minimal-toc to previous content.
17217 (bispecs): Remove goal.
17218 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17219 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17220 compatibility aliases on powerpc-*-*gnu*.
17221 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17222 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17223 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17224 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17225 (ldblspecs): New goal.
17226 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17227 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17229 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17230 L_sf_to_tf or L_df_to_tf is defined.
17232 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17233 Alan Modra <amodra@bigpond.net.au>
17236 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17237 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17238 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17239 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17240 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17241 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17242 (rs6000_override_options): Initialize rs6000_ieeequad.
17243 Initialize TFmode format to ibm_extended_format if not
17245 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17247 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17248 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17249 (function_arg_advance): IBM long double passed in two FPRs, not
17251 (function_arg): IBM long double passed in FPRs.
17252 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17253 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17254 Only multireg GPR aligned.
17255 (rs6000_init_libfuncs): Enable IBM long double functions if not
17257 (rs6000_generate_compare): Use IBM long double compare if not
17259 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17260 (TARGET_IEEEQUAD): Define.
17261 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17262 not TARGET_IEEEQUAD.
17263 * config/rs6000/rs6000.md: Enable TFmode patterns if
17265 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17266 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17267 and -mlong-double-128 are incompatible.
17268 * doc/invoke.texi (-mabi): Collect options together. Add
17269 ibmlongdouble and ieeelongdouble.
17271 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17273 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17275 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17276 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17277 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17278 * rtl.h (rtunion_def): Remove rt_ptr.
17280 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17281 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17282 * config/i386/winnt.c (i386_pe_mark_dllexport)
17283 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17285 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17287 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17289 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17293 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17294 pthread_key_delete. From John David Anglin. gthrw-ify
17295 pthread_getunique_np only if it it's not a macro. Delete
17297 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17298 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17299 __gthread_objc_condition_signal, __gthread_key_delete): Add
17300 "__attribute__ ((__unused__))" to unused arguments.
17301 (__gthread_recursive_mutex_init_function): Add missing return.
17302 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17303 gthr-posix95.h: Use macro-based approach for name redirection
17304 on targets missing weakref.
17306 2006-01-26 Zack Weinberg <zackw@panix.com>
17308 * genconditions.c (write_header): In generated code, #ifdef out
17309 all includes and fake declarations, except includes of bconfig.h
17310 and system.h, unless GCC_VERSION >= 3001. Do not include
17311 gensupport.h in any case.
17312 (write_conditions): Generate a definition of struct c_test. Add
17313 a comment to the generated #endif.
17314 (write_one_condition): Escape backslashes in string too.
17315 (write_writer): Generated code must escape backslashes and quote
17316 marks (but not newlines) in the strings it writes.
17317 * Makefile.in (build/gencondmd.o): Update dependencies.
17319 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17322 * Makefile.in (insn-automata.o): Add header file dependencies.
17323 * genautomata.c: Add includes.
17325 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17328 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17330 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17332 * configure.ac: Expect target tools paths to be passed from the toplevel
17333 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17335 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17337 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17340 * c.opt (Wpointer-sign): Init to -1.
17341 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17342 OPT_pedantic, to 0 otherwise.
17343 * doc/invoke.texi: Update.
17345 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17347 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17348 constants provided by 80387 instructions in the destination mode.
17350 2006-01-26 Richard Guenther <rguenther@suse.de>
17351 Andrew Pinski <pinskia@physics.uc.edu>
17354 partial PR tree-opt/17064
17355 * tree-ssa-structalias.c (intra_create_variable_infos):
17356 Create heap variables for incoming parameters if
17357 flag_argument_noalias > 1.
17358 (find_what_p_points_to): Look through default defs of
17361 2006-01-26 Jeff Law <law@redhat.com>
17364 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17365 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17366 within the VR_RANGE, use the VR_RANGE as the result, not the
17368 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17369 bounds for the type.
17371 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17373 * tree-ssa-alias.c (maybe_create_global_var): Change
17374 subvar walking to an assertion that we don't have subvar'd variables.
17376 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17379 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17380 Use a new variable, inner. PARM_DECLs are always non-weak.
17382 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17384 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17385 --disable-checking.
17387 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17389 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17391 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17393 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17394 (smax_insn, smin_insn, smax_0, smin_0): New.
17396 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17399 * config/cris/cris.c (cris_order_for_addsi3): New function.
17400 * config/cris/cris-protos.h: Prototype it.
17401 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17402 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17403 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17404 (split for "op.S1 [rx=rx+i],ry (swapped)")
17405 (split for "op(s|u).S1 [rx=rx+i],ry")
17406 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17407 Apply cris_order_for_addsi3 when generating addsi3 insns.
17409 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17411 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17412 (TREE_BLOCK): Add call to EXPR_CHECK.
17414 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17417 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17418 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17419 (dump_omp_clauses): ... here.
17420 (dump_generic_node): Handle OMP_CLAUSE.
17421 * tree.c (omp_clause_num_ops): New.
17422 (omp_clause_code_name): New.
17423 (tree_code_size): Handle OMP_CLAUSE.
17424 (tree_size): Likewise.
17425 (make_node): Document handling of OMP_CLAUSE.
17426 (tree_node_structure): Handle OMP_CLAUSE.
17427 (omp_clause_check_failed): New.
17428 (omp_clause_range_check_failed): New.
17429 (omp_clause_operand_check_failed): New.
17430 (build_omp_clause): New.
17431 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17432 * tree.h (enum omp_clause_code): Declare.
17433 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17434 (OMP_CLAUSE_RANGE_CHECK): Define.
17435 (OMP_CLAUSE_ELT_CHECK): Define.
17436 (omp_clause_check_failed): Declare.
17437 (omp_clause_operand_check_failed): Declare.
17438 (omp_clause_range_check_failed): Declare.
17439 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17440 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17441 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17442 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17443 (OMP_CLAUSE_IF_EXPR): Likewise.
17444 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17445 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17446 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17447 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17448 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17449 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17450 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17451 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17452 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17453 (OMP_CLAUSE_CODE): Define.
17454 (OMP_CLAUSE_SET_CODE): Define.
17455 (OMP_CLAUSE_CODE): Define.
17456 (OMP_CLAUSE_OPERAND): Define.
17457 (struct tree_omp_clause): Declare.
17458 (union tree_node): Add field 'omp_clause'.
17459 * treestruct.def (TS_OMP_CLAUSE): Define.
17460 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17461 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17462 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17463 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17464 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17465 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17466 (OMP_CLAUSE): Define.
17467 * print-tree.c (print_node): Handle OMP_CLAUSE.
17468 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17469 * c-typeck.c: Likewise.
17470 * gimplify.c: Likewise.
17471 * c-omp.c: Likewise.
17472 * tree-nested.c: Likewise.
17473 * tree-inline.c: Likewise.
17474 * c-parser.c: Likewise.
17475 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17478 2006-01-25 Roger Sayle <roger@eyesopen.com>
17480 PR rtl-optimization/25703
17481 * combine.c (try_combine): Handle zero_extract and strict_low_part
17482 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17484 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17486 * global.c: Fix comment typos.
17488 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17491 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17492 Use output_addr_const instead of assemble_name.
17494 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17496 * Makefile.in (sched-vis.o): Update dependencies.
17497 * haifa-sched.c (sched_finish): Clear current_sched_info.
17498 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17499 (dump_flow_info): Call it.
17500 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17502 * basic-block.h (dump_bb_info): Declare.
17503 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17504 option, and apply options only for dump files whose TDF_RTL,
17505 TDF_TREE, or TDF_IPA bits match.
17506 * rtl.h: Declare new functions exported from sched-vis.c.
17507 * sched-vis.c: Enable also if scheduling is not used.
17508 (print_value): Print the mode of registers if not inside scheduling.
17509 (print_insn): Make it work outside the scheduler. Beautify the output
17511 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17513 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17515 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17516 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17517 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17518 depending on the value of CONSTANT_POOL_ADDRESS_P.
17519 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17521 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17522 rather than SYMBOL_REF_DECL.
17523 (rtx_constant_pool): Remove const_rtx_sym_htab.
17524 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17525 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17526 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17527 Remove handling of const_rtx_sym_htab.
17528 (find_pool_constant): Delete.
17529 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17530 rather than find_pool_constant.
17531 (get_pool_constant_for_function): Delete.
17532 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17533 find_pool_constant.
17534 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17535 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17536 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17537 (SYMBOL_REF_CONSTANT): New macro.
17538 (get_pool_constant_for_function): Delete.
17539 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17540 rather than SYMBOL_REF_DECL.
17541 (i386_pe_mark_dllimport): Likewise.
17542 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17543 rather than SYMBOL_REF_DECL.
17544 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17545 (machopic_indirect_call_target): Likewise.
17547 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17549 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17551 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17553 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17555 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17557 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17559 2006-01-24 David Daney <ddaney@avtrex.com>
17562 * configure.ac (enable_tls): New enable option.
17563 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17564 * configure: Regenerate.
17565 * doc/install.texi (--enable-tls): Document new option.
17566 (--disable-tls): Ditto.
17568 2006-01-24 Richard Henderson <rth@redehat.com>
17570 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17571 * alias.c (true_dependence): Respect it.
17572 (canon_true_dependence, write_dependence_p): Likewise.
17573 * builtins.c (get_builtin_sync_mem): Set it.
17575 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17577 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17580 2006-01-24 DJ Delorie <dj@redhat.com>
17582 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17583 for storing constants in single-bit bitfields.
17585 2006-01-25 Ben Elliston <bje@au.ibm.com>
17587 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17589 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17592 * tree-ssa-pre.c (phi_translate): Return NULL
17593 for AGGREGATE_TYPE's.
17595 2006-01-24 Zack Weinberg <zackw@panix.com>
17597 * genautomata.c (process_state_for_insn_equiv_partition):
17598 Use xcalloc for insn_arcs_array.
17599 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17600 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17602 2006-01-24 Richard Henderson <rth@redhat.com>
17604 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17605 update all callers.
17607 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17609 PR rtl-optimization/25890
17610 PR rtl-optimization/25905
17611 * combine.c (expand_compound_operation, expand_field_assignment):
17612 Fail if the bitfield's final position is out of bounds.
17614 2006-01-24 Ian Lance Taylor <ian@airs.com>
17616 PR middle-end/25930
17617 * cgraphunit.c (cgraph_output_in_order): Don't clear
17618 cgraph_asm_nodes until after asm strings have been output.
17620 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17622 * fix-header.c (read_scan_file): Add new parameter imultilib when
17623 calling register_include_chains.
17625 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17627 * omp-low.c: Update documentation.
17629 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17630 Daniel Berlin <dberlin@dberlin.org>
17634 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17635 return from the function.
17637 2006-01-22 Zack Weinberg <zackw@panix.com>
17639 * rtl.def (match_code): Add second argument.
17640 * genpreds.c (write_extract_subexp): New function.
17641 (write_match_code): Add path argument. Use write_extract_subexp.
17642 (write_predicate_expr): Pass path to write_match_code.
17643 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17644 not perform a mode test.
17645 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17646 a subexpression does not constrain the top-level code set.
17647 * read-rtl.c (read_rtx_variadic): New function.
17648 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17649 * doc/md.texi: Document new notation.
17650 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17651 (cmpsi_operand): ... here, using new notation.
17653 2006-01-22 Zack Weinberg <zackw@panix.com>
17655 * varray.c: Remove GENERATOR_FILE #ifdefs.
17657 2006-01-22 Zack Weinberg <zackw@panix.com>
17659 * genautomata.c (output_reserved_units_table): Emit nothing if
17660 description->query_units_num is zero. Remove extra blank line.
17661 (output_cpu_unit_reservation_p): Short circuit
17662 if description->query_units_num is zero.
17664 2006-01-22 Zack Weinberg <zackw@panix.com>
17666 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17667 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17668 nor any of the random handful of variables that used to be necessary
17669 when this program was linked with rtlanal.o. Prune set of forward
17670 function declarations.
17671 (struct attr_desc): Remove static_p field.
17672 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17673 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17674 (attr_string): Do not read the character one past the length of
17676 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17677 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17678 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17679 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17680 (make_automaton_attrs): New.
17681 (main): Do not call into genautomata. Call local gen_bypass
17682 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17683 Remove special case for insn_alts.
17684 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17685 varray.h (leftover from previous change). Prune set of forward
17686 function declarations. Remove state_alts fields from all
17687 structures. Remove state_alts_table from struct automaton.
17688 Make everything except main static. Do not maintain num_dfa_decls.
17689 Do not maintain state_alts fields of various structures.
17690 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17691 (add_arc): Remove state_alts argument. All callers updated.
17692 (output_reserved_units_table): Emit #ifdef here...
17693 (output_tables): ...not here. Don't generate state_alts tables.
17694 (expand_automata): Don't generate attributes.
17695 (write_automata): Don't generate state_alts functions.
17696 (main): New function.
17697 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17698 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17699 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17700 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17701 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17702 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17703 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17704 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17706 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17707 * genattrtab.h: Delete file.
17708 * Makefile.in (OBJS-common): Add insn-automata.o.
17709 (insn-automata.o): New rule.
17710 (simple_generated_c): Add insn-automata.c.
17711 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17712 (genprogmd): Add automata.
17713 (build/genattrtab): Needs no extra objects nor libraries.
17714 (build/genautomata): Needs build/vec.o and -lm.
17716 2006-01-22 Zack Weinberg <zackw@panix.com>
17718 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17719 (output_dfa_max_issue_rate, locked_states_num): Delete.
17720 (struct automaton): Add locked_states field.
17721 (output_dead_lock_vect): Save number of locked states in
17722 automaton->locked_states. If it is zero, don't print anything.
17723 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17724 (output_internal_dead_lock_func): Only test the dead_lock_vect
17725 for automata that have locked states.
17726 (output_statistics): Always print the number of locked states for
17727 each automaton. Calculate total number of locked states here.
17728 (write_automata): Don't call output_dfa_max_issue_rate.
17729 * genattrtab.c: Define length_unit_log as a const variable.
17730 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17731 max_insn_queue_index const.
17732 * final.c (length_unit_log): Declare const.
17733 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17735 2006-01-22 Zack Weinberg <zackw@panix.com>
17737 * genautomata.c: Include vec.h, not varray.h.
17738 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17739 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17740 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17741 VEC_* macros operating on appropriately typed vectors, or to
17742 malloced arrays when the size is known in advance. Const-ify
17743 many char* variables and function arguments. No functional changes.
17744 * Makefile.in (build/varray.o): Delete rule.
17745 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17746 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17748 2006-01-22 Zack Weinberg <zackw@panix.com>
17750 * gensupport.c: Define get_insn_name and record_insn_name here.
17751 (read_md_rtx): Call record_insn_name as appropriate.
17752 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17753 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17754 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17756 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17757 (BUILD_VARRAY): Delete.
17758 (genprognormal): Rename genprogmd. Fold in all programs from
17759 genprognoprint; also attrtab.
17760 (build/genattrtab): Just mention genautomata.o and varray.o.
17761 Reorganize a bit, add comments to make the categories clearer.
17763 2006-01-22 Zack Weinberg <zackw@panix.com>
17765 * genconditions.c (condition_table, add_condition): Delete.
17766 (write_conditions): Don't emit n_insn_conditions nor
17767 insn_elision_unavailable. Issue the gcc version #ifdef here,
17768 inside the table, with no #else clause ...
17769 (write_header): ...not here.
17770 (write_writer): New function.
17771 (main): Don't initialize condition_table. Use add_c_test.
17773 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17774 files on the command line.
17775 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17776 Return -1 if there is no entry in the table, don't abort.
17777 (add_c_test, traverse_c_tests): New functions.
17778 * gensupport.h (insn_elision_unavailable, insn_conditions)
17779 (n_insn_conditions): Delete declarations.
17780 (add_c_test, traverse_c_tests): Declare.
17781 * read-rtl.c: Include gensupport.h.
17782 (read_conditions): New function.
17783 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17784 (read_rtx_1): If we get EOF when we were looking for an initial
17785 open paren, return 0. Call read_conditions when appropriate.
17786 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17787 dummy-conditions.o. Eliminate references to insn-conditions.o,
17788 or change them to build/gencondmd.o, as appropriate. Remove
17789 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17790 from $(simple_generated_c). For all files remaining in those
17791 two lists, add insn-conditions.md to the generator command line.
17792 Give insn-constants.h/s-constants their own rules. Add rules
17793 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17794 (build/read-rtl.o): Depend on gensupport.h.
17795 (genprognormal): Include preds.
17796 (genprogearly): Rename genprognoprint; only difference is now that
17797 they don't link with $(BUILD_PRINT).
17798 * dummy-conditions.c: Delete.
17800 2006-01-22 Zack Weinberg <zackw@panix.com>
17802 * genextract.c: Don't include insn-config.h. Do include vec.h.
17803 Declare vectors of int, char, and locstr.
17804 (locstr): New typedef.
17805 (struct extraction): Make all array fields into bare pointers.
17806 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17807 (insn_code_number): Delete.
17808 (accum_extract): New struct.
17809 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17810 (gen_insn): Take insn_code_number as an argument. Use an
17811 accum_extract structure instead of loading data directly into
17812 a struct extraction, and having to know how big it might get.
17813 (walk_rtx): Operate entirely on an accum_extract structure.
17814 (print_path): Avoid unnecessary use of printf.
17815 (print_header): New function, split out of main. Distinguish
17816 more carefully between an unrecognizable insn and an insn that
17817 has the code number of a define_expand.
17818 (main): Pass insn_code_number to gen_insn. Call print_header
17819 only after parsing. Avoid unnecessary use of printf.
17820 * Makefile.in (build/vec.o): New rule.
17821 (build/genextract): Depend on build/vec.o.
17822 (build/genextract.o): Don't depend on insn-config.h.
17824 2006-01-22 Zack Weinberg <zackw@panix.com>
17826 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17827 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17828 practical. Eliminate per-generator-program link rules.
17830 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17832 PR middle-end/24437
17833 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17834 with a call expr to ...
17835 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17837 2006-01-23 Richard Guenther <rguenther@suse.de>
17839 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17840 before make_edge with conditional EDGE_TRUE_VALUE.
17842 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17843 Jan Hubicka <jh@suse.cz>
17844 Richard Guenther <rguenther@suse.de>
17846 PR rtl-optimization/25654
17847 * cfgexpand.c (aggregate_contains_union_type): New function.
17848 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17849 for structure variables that contain a union type.
17851 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17853 * gengtype.c (new_structure): Return the structure.
17854 (create_option): Add an extra "next" argument.
17855 (create_field): New function.
17856 (adjust_field_rtx_def): Use create_option and create_field.
17857 Remove a now-unnecessary call to find_structure.
17858 (adjust_field_tree_def): Likewise.
17859 (note_yacc_type): Remove an unnecessary call to find_structure.
17860 * gengtype.h (new_structure): Return the structure.
17861 (create_option): Add an extra argument.
17862 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17863 (option): Adjust calls to create_option.
17865 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17867 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17869 2006-01-22 Paul Brook <paul@codesourcery.com>
17870 Peter Barada <peter@the-baradas.com>
17872 * config/m68k/m68k.md: Add Coldfire FPU support.
17873 Define FP mode macro and associated attributes.
17874 Use it for float mode patterns.
17875 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17876 (LIBCALL_VALUE): Use m68k_libcall_value.
17877 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17878 (m68k_function_value): Ditto.
17879 (emit_move_sequence): Ditto.
17880 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17881 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17882 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17883 (MULTILIB_EXCEPTIONS): Ditto.
17884 * config/m68k/m68k.opt: Add mcfv4e.
17885 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17886 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17887 (m68k_output_function_prologue): Save ColdFire FPU registers.
17888 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17889 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17890 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17891 ColdFire FPU registers.
17892 (m68k_libcall_value, m68k_function_value): New functions.
17893 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17894 (LIBCALL_VALUE): Use m68k_libcall_value.
17895 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17896 (MASK_COLDFIRE): Add MASK_CFV4E.
17897 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17898 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17899 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17900 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17901 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17902 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17903 * doc/invoke.tex: Document -mcfv4e on m68k.
17905 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17907 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17910 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17913 * c-opts.c (c_common_handle_option): Don't include
17914 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17915 * doc/invoke.texi (C++ Dialect Options): Document that
17916 -Wnon-virtual-dtor is no longer included in -Wall.
17918 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17920 * gcov.c (print_version), gcov-dump.c (print_version),
17921 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17924 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17926 * df-scan.c (problem_SCAN): Added NULL reset function.
17927 (df_scan_reset_blocks): Added code to call reset block function
17928 (df_bb_refs_delete) Fixed comment.
17929 (df_insn_refs_delete): Made tolerant of deleting non existent info
17930 for dataflow problems that need to be reset.
17931 * df-core.c (df_set_blocks): Ditto.
17932 * df.h (struct df_problem): Added reset_fun.
17933 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17934 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17935 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17936 functions to clear out all references to def-use or use-def chains.
17938 2006-01-21 Ben Elliston <bje@au.ibm.com>
17940 * varasm.c (assemble_real): Initialise data array.
17942 2006-01-20 Paul Brook <paul@codesourcery.com>
17944 Merge from csl-arm-branch.
17945 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17946 * config/arm/arm.md (movdi): Force operands[1] to a register
17947 if we have a non-register source.
17948 (*arm_movdi, *movdf_soft_insn): Require that one of the
17949 operands be a register.
17950 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17951 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17953 2006-01-20 DJ Delorie <dj@redhat.com>
17955 * varasm.c (initializer_constant_valid_p): Allow pointers
17956 initialized from integer constants of lesser precision.
17957 (output_constant): Allow non-int-sized pointer modes to be
17958 initialized from integer constants.
17960 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17963 * cppdefault.h (struct default_include): Add multilib flag.
17964 * cppdefault.c (cpp_include_defaults): Set it.
17965 * c.opt (-imultilib): New option.
17966 * c-opts.c (imultilib): New.
17967 (c_common_handle_option): Handle -imultilib.
17968 (c_common_post_options): Likewise.
17969 * c-incpath.c (add_standard_paths, register_include_chains):
17971 * c-incpath.h (register_include_chains): Add extra parameter.
17972 * gcc.c (do_spec_1): Generate -imultilib option.
17973 (The Specs Language): Update %I description.
17974 (process_command): Update copyright notice.
17975 * doc/cppopts.texi (-imultilib): Document.
17976 * doc/invoke.texi (-imultilib): Include in option summary.
17977 (%I): Update specs documentation.
17979 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17981 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17983 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17985 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17988 2006-01-20 Richard Guenther <rguenther@suse.de>
17989 Steven Bosscher <stevenb.gcc@gmail.com>
17991 PR rtl-optimization/24626
17992 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17993 EDGE_TRUE_VALUE if in RTL mode.
17996 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17997 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17999 2006-01-20 Dirk Mueller <dmueller@suse.com>
18002 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
18003 instead of a special NOP marker.
18004 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
18005 NOP marker handling.
18006 * c-common.h (empty_body_warning): Add forward declaration.
18007 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
18008 Now uses IS_EMPTY_STMT() instead of special NOP markers.
18010 2006-01-20 Paul Brook <paul@codesourcery.com>
18012 * Makefile.in (lang_checks): Keep going if mkdir fails.
18014 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18016 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
18017 be able to clean out basic block when not necessary.
18018 (df_scan_free): Fixed to properly delete information if df is
18019 unused before calling df_finish.
18020 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
18021 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
18023 (df_bb_refs_delete): New function.
18024 (df_refs_delete): Moved per block code to df_bb_refs_delete.
18025 * df-core.c (df_set_blocks): Added code to properly clean out
18026 unused blocks if they are not part of the blocks to consider.
18027 Added additional null check.
18028 (df_compact_blocks): Added basic block parameter to free_bb_fun to
18029 be able to clean out basic block when not necessary
18030 * df.h (df_free_bb_function): Ditto.
18031 (df_bb_refs_delete): New function.
18032 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
18033 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
18034 basic block parameter to be able to clean out basic block when not
18036 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
18037 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
18038 Fixed to properly delete information if df is unused before
18041 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18043 PR rtl-optimization/25799
18044 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
18045 Corrected confluence operator to remove bits from op2 before oring
18046 with op1 rather than removing bits from op1.
18047 (df_ru_transfer_function): Corrected test on wrong bitmap which
18048 caused infinite loop. Both of these problems were introduced in
18049 the dataflow rewrite.
18051 2006-01-19 DJ Delorie <dj@redhat.com>
18053 * reload1.c (find_reload_regs): Note the details of reload
18054 failures in the dump file.
18055 (spill_failure): Likewise.
18057 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18059 * loop-iv.c: Include df.h and hashtab.h.
18060 (enum iv_grd_result): New enum.
18061 (DF_REF_IV, DF_REF_IV_SET): New macros.
18062 (struct biv_entry): New.
18063 (df, bivs): New global variables.
18064 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
18065 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
18067 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
18068 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
18069 analyzed_for_bivness_p, record_biv): New functions.
18070 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
18071 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
18072 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
18074 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
18076 (iv_number_of_iterations): Use new interface to iv analysis.
18077 * loop-unroll.c: Do not include varray.h.
18078 (analyze_iv_to_split_insn): Use new interface to iv
18080 * loop-unswitch.c (may_unswitch_on): Ditto.
18081 * df.c (df_bitmaps_free): Only work for bbs for that structures are
18083 (df_bb_modify): Realloc tables to the new index.
18084 (df_find_use): New function.
18085 * df.h (df_find_use): Declare.
18086 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
18088 * cfgloop.h (struct rtx_iv): Remove analysed field.
18089 (iv_get_reaching_def): Removed.
18090 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
18091 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
18092 (loop-iv.o): Add df.h and hashtab.h dependency.
18093 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
18095 2006-01-20 Alan Modra <amodra@bigpond.net.au>
18098 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
18100 (__floatundisf, __floatundidf): Likewise.
18101 * libgcc2.h (IS_IBM_EXTENDED): Define.
18103 2006-01-19 DJ Delorie <dj@redhat.com>
18105 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18107 2006-01-19 Paul Brook <paul@codesourcery.com>
18109 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18110 as nothrow when unwinding tables are disabled.
18112 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18115 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18116 of bit-field" when in system header.
18118 2006-01-19 DJ Delorie <dj@redhat.com>
18120 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18121 the 16 bit shift limit of the m16c.
18123 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18126 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18127 * config/i386/i386.c (output_set_got): Output the label if we have one
18128 for the TARGET_DEEP_BRANCH_PREDICTION case.
18130 2006-01-19 Jan Hubicka <jh@suse.cz>
18131 H.J. Lu <hongjiu.lu@intel.com>
18132 Evandro Menezes <evandro.menezes@amd.com>
18134 * invoke.texi (generic): Document
18136 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18137 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18138 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18139 (x86_use_incdec, x86_pad_returns): New variables
18140 (TARGET_CPU_DEFAULT_generic): New constant
18141 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18142 (enum processor_type): Add generic32 and generic64.
18143 * i386.md (cpu attribute): Add generic32/generic64
18144 (movhi splitter): Behave sanely when both partial_reg_dependency and
18145 partial_reg_stall are set.
18146 (K8 splitters): Enable for generic as well.
18147 * predicates.md (incdec_operand): Use TARGET_INCDEC
18148 (aligned_operand): Avoid memory mismatch stalls.
18149 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18150 * ppro.md: Enable for generic32
18151 * i386.c (generic64_cost, generic32_cost): New.
18152 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18153 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18154 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18155 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18156 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18157 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18158 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18159 x86_accumulate_outgoing_args, x86_prologue_using_move,
18160 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18161 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18162 Enable for generic.
18163 (x86_use_incdec, x86_pad_returns): New.
18164 (override_options): Add generic32 and generic64, translate "generic"
18165 to generic32/generic64 and "i686" to "generic32", refuse
18166 "generic32"/"generic64" as arch target.
18167 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18168 (ix86_reorg): Honor PAD_RETURNS.
18170 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18172 * tree-pretty-print.c (dump_generic_node): Handle
18173 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18174 * cgraph.c (cgraph_expand_queue): Rename from
18175 cgraph_analyze_queue. Update all users.
18176 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18177 cgraph_expand_queue.
18178 (cgraph_expand_all_functions): Likewise.
18179 (cgraph_finalize_pending_functions): Remove. Update callers.
18181 * tree.h (OMP_DIRECTIVE_P): Define.
18182 (OMP_PARALLEL_FN): Define.
18183 (OMP_PARALLEL_DATA_ARG): Define.
18184 (OMP_SECTIONS_SECTIONS): Define.
18185 * tree-pass.h (pass_expand_omp): Declare.
18186 * omp-low.c (struct omp_region): Declare.
18187 (struct omp_context): Remove fields 'parallel_type',
18188 'parallel_start_ix' and 'parallel_start_additional_args'.
18190 (struct omp_for_data): Rename from struct expand_omp_for_data.
18191 (omp_regions): New static variable.
18192 (root_omp_region): New static variable.
18193 (find_omp_clause): Make static.
18194 (is_in_combined_parallel_ctx): Remove.
18195 (is_combined_parallel): New.
18196 (extract_omp_for_data): Move earlier in the file.
18197 (workshare_safe_to_combine_p): New.
18198 (get_ws_args_for): New.
18199 (determine_parallel_type): Move earlier in the file.
18200 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18202 (omp_copy_decl): Likewise.
18203 (create_omp_child_function): Likewise.
18204 (lookup_omp_region): New.
18205 (dump_omp_region): New.
18206 (debug_omp_region): New.
18207 (debug_all_omp_regions): New.
18208 (new_omp_region): New.
18209 (scan_omp_parallel): If parallel_nesting_level > 1, the
18210 directive is nested within another parallel directive.
18211 Set OMP_PARALLEL_FN.
18212 (scan_omp_for): Do not try to handle combined parallel+for
18214 Remove FIXME comment.
18215 (scan_omp_nested): Remove.
18216 (scan_omp_1): Do not call scan_omp_nested when
18217 parallel_nesting_level is > 1.
18218 Do not change the DECL_CONTEXT of local variables found.
18219 (lookup_decl_in_outer_ctx): New.
18220 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18221 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18222 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18223 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18224 If CTX is nested, lookup VAR in the outer context when
18225 building copy assignment.
18226 (lower_send_clauses): Rename from expand_send_clauses.
18227 If CTX is nested, lookup VAR in the outer context when
18228 building copy assignments.
18229 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18230 If CTX is nested, lookup VAR in the outer context when
18231 building copy assignments.
18232 (expand_parallel_call): Rename from build_parallel_call.
18233 Handle combined parallel+workshare cases.
18234 Re-implement to emit code into the CFG.
18236 (expand_omp_parallel): Re-implement to emit code into the CFG.
18237 Call move_sese_region_to_fn to outline the sub-graph
18238 containing the parallel region.
18239 (expand_omp_for_1): Remove.
18240 (expand_omp_for_generic): Re-implement to emit code into the
18242 (expand_omp_for_static_nochunk): Likewise.
18243 (expand_omp_for_static_chunk): Likewise.
18244 (expand_omp_for): Likewise.
18245 (expand_omp_sections): Likewise.
18246 (remove_exit_barriers): New.
18247 (expand_omp_synch): New.
18249 (build_omp_regions_1): New.
18250 (build_omp_regions): New.
18251 (execute_expand_omp): New.
18252 (gate_expand_omp): New.
18253 (pass_expand_omp): Define.
18254 (lower_omp_sections): Rename from expand_omp_sections.
18255 Set OMP_SECTIONS_SECTIONS.
18256 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18257 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18258 (lower_omp_single): Rename from expand_omp_simple.
18259 (lower_omp_master): Rename from expand_omp_master.
18260 (lower_omp_ordered): Rename from expand_omp_ordered.
18261 (lower_omp_critical): Rename from expand_omp_critical.
18262 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18263 (lower_omp_for): Re-implement.
18264 (lower_omp_parallel): Re-implement.
18265 (lower_regimplify): Rename from expand_regimplify.
18266 (lower_omp_1): Rename from expand_omp_1.
18267 If there are syntax errors in the program, replace every
18268 OpenMP directive with NOP.
18269 Call lower_omp_* instead of expand_omp_*.
18270 (lower_omp): Rename from expand_omp.
18272 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18273 * tree-gimple.h (enum omp_parallel_type): Remove.
18274 (gimple_boolify): Declare extern.
18275 (find_omp_clause, determine_parallel_type): Remove.
18277 * gimple-low.c (lower_omp_directive): New.
18278 (lower_stmt): Call it.
18279 (record_vars_into): Move from ...
18280 (record_vars): ... here.
18281 Call record_vars_into with current_function_decl.
18283 * gimplify.c (struct gimplify_ctx): Remove fields
18284 combined_pre_p and combined_ctxp. Update users.
18285 (get_formal_tmp_var): Add documentation.
18286 (gimple_boolify): Make extern.
18287 (gimplify_expr_in_ctx): Remove. Update callers.
18288 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18289 will always be a BIND_EXPR.
18290 (gimplify_expr): Handle OMP_RETURN_EXPR.
18291 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18292 (OMP_PARALLEL): Add 3 operands.
18293 (OMP_SECTIONS): Add 1 operand.
18294 (OMP_RETURN_EXPR): Define.
18296 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18297 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18298 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18299 creating a circular free list.
18300 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18302 * tree-flow.h (move_sese_region_to_fn): Declare.
18303 (record_vars_into): Declare.
18304 * tree-cfg.c (make_omp_sections_edges): New.
18305 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18306 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18307 OMP_SECTIONS and OMP_SECTION.
18308 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18309 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18310 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18311 (gather_blocks_in_sese_region): New.
18312 (struct move_stmt_d): Declare.
18313 (move_stmt_r): New.
18314 (move_block_to_fn): New.
18315 (move_sese_region_to_fn): New.
18317 * passes.c (init_optimization_passes): Schedule
18318 pass_expand_omp after pass_init_datastructures.
18320 * tree-ssa-operands.c (get_expr_operands): Handle
18321 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18322 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18324 2006-01-19 Jeff Law <law@redhat.com>
18326 * tree-vrp.c (extract_range_from_assert): Refine the result range
18327 if the variable referenced by the ASSERT_EXPR has a range and
18328 either the tentative result range or the previous range is a
18331 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18333 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18335 2006-01-19 Jan Hubicka <jh@suse.cz>
18337 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18339 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18341 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18342 (expand_compound_operation, expand_field_assignment): Fail if the
18343 bit lengths of an extract operation are out of range.
18344 (make_extraction): Compute wanted_inner_mode based on the position
18345 and length of the extraction. Make it extraction_mode for non-constant
18346 positions, and do not modify offset in that case. When generating a
18347 new MEM, use a mode that can hold the extraction while keeping correct
18348 alignment. Remove code that supported MEMs wrapped by USEs.
18349 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18351 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18353 * config/s390/s390.md ("Y", "y"): New mode attribute.
18354 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18355 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18356 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18357 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18358 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18359 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18360 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18361 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18362 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18363 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18364 "addsi3", "subsi3"): Insn patterns removed.
18365 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18366 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18367 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18368 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18369 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18370 "*sub<mode>3_cconly2"): New insn patterns.
18371 ("addsi3", "subsi3"): New expanders.
18373 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18375 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18376 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18377 existing STMT_VINFO_VECTYPE if available.
18378 (vect_mark_relevant): Add special handling for stmts that are
18379 marked as STMT_VINFO_IN_PATTERN_P.
18380 (vect_analyze_loop): Call vect_pattern_recog.
18381 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18382 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18384 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18385 (vect_recog_func_ptr): New function-pointer type.
18386 * tree-vect-patterns.c: New file.
18387 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18388 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18389 (vect_pattern_recog_1): New functions.
18390 (vect_pattern_recog_funcs): New array of function pointers.
18392 * tree-vectorizer.h (ternary_op): New enum value.
18393 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18394 declaration. Revised documentation. Removed redundant dump prints.
18395 Removed redundant argument. Added support for reduction patterns.
18396 (vectorizable_reduction): Added support for reduction patterns.
18397 (vect_transform_stmt): Added support for patterns.
18399 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18400 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18401 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18402 (expand_widen_pattern_expr): New function.
18403 (init_optabs): Initialize new optabs udot_prod_optab,
18405 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18406 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18407 (expand_widen_pattern_expr): New function declaration.
18408 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18410 * tree-inline.c (estimate_num_insns_1): Added cases for new
18411 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18412 * tree-pretty-print.c (dump_generic_node): Likewise.
18413 (op_prio): Likewise.
18414 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18415 * tree-ssa-operands.c (get_expr_operands): Added case for
18417 * tree-vect-patterns.c (widened_name_p): New function.
18418 (vect_recog_dot_prod_pattern): Added function implementation.
18419 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18420 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18421 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18422 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18424 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18425 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18426 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18427 (init_optabs): Initialize new optabs widen_ssum_optab,
18429 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18430 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18431 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18432 use instead of type of def.
18433 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18434 function implementation.
18435 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18436 widen_ssumv8hi): New.
18438 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18441 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18444 * c-decl.c (add_flexible_array_elts_to_size): New function.
18445 (finish_decl): Use it.
18447 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18449 * diagnostic.h: Include options.h.
18450 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18451 dependancies for diagnostic.h.
18452 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18454 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18456 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18457 (ssa_ro_call_cache_valid): Ditto.
18458 * tree-ssa-alias.c (sort_tags_by_id): New function.
18459 (init_transitive_clobber_worklist): Ditto.
18460 (add_to_worklist): Ditto.
18461 (mark_aliases_call_clobbered): Ditto.
18462 (compute_tag_properties): Ditto.
18463 (set_initial_properties): Ditto.
18464 (compute_call_clobbered): Ditto.
18465 (compute_may_aliases): Call compute_call_clobbered and grouping.
18466 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18467 (compute_flow_insensitive_aliasing): Grouping now happens in our
18469 (setup_pointers_and_addressables): Remove clobbering related code.
18470 (add_may_alias): Ditto.
18471 (replace_may_alias): Ditto.
18472 (get_nmt_for): Ditto.
18473 (create_global_var):
18474 (is_escape_site): Return an escape_type enumeration.
18475 * tree-flow-inline.h (is_call_clobbered): Global var does not
18476 imply call clobbered.
18477 (mark_call_clobbered): Take a reason for marking this. Remove
18478 marking of globalness, and cache invalidation.
18479 (clear_call_clobbered): Remove cache invalidation code.
18480 * tree-dfa.c (dump_variable): If details is on, dump the reason
18482 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18484 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18485 (struct var_ann_d): Ditto.
18486 (enum escape_type): New.
18487 (mark_call_clobbered): Adjust prototype.
18488 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18489 are never call clobbered.
18490 Record reasons for escaping.
18491 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18492 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18493 (ssa_ro_call_cache_valid): Ditto.
18494 (clobbered_v_may_defs): Ditto.
18495 (clobbered_vuses): Ditto.
18496 (ro_call_vuses): Ditto.
18497 (clobber_stats): New.
18498 (init_ssa_operands): Zero out clobber stats.
18499 (fini_ssa_operands): Print out clobber stats.
18500 (get_call_expr_operands): Pass callee fndecl to
18501 add_call_read_ops).
18502 (add_call_clobber_ops): Remove use of cache.
18503 Add use of PURE_CONST information.
18504 (add_call_read_ops): Remove use of cache.
18505 Add use of static not_read information.
18507 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18509 Introduce TLS descriptors for i386 and x86_64.
18510 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18511 (TARGET_ANY_GNU_TLS): New macro.
18512 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18513 (struct machine_function): Add tls_descriptor_call_expanded_p.
18514 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18515 (ix86_current_function_calls_tls_descriptor): Likewise.
18516 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18517 (override_options): Introduce gnu2 tls dialect.
18518 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18520 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18522 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18523 (ix86_init_machine_status): Initialize new field.
18524 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18525 (ix86_tls_module_base): New.
18526 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18527 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18528 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18529 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18530 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18531 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18532 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18533 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18534 * config/i386/predicates.md (tls_modbase_operand): New.
18535 (tp_or_register_operand): New.
18537 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18539 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18540 (look_for_address_of): Ditto.
18541 (ipa_init): Walk the function decls.
18542 (static_execute): Don't set readonly on FUNCTION_DECL's.
18544 2006-01-18 Roger Sayle <roger@eyesopen.com>
18546 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18547 for shifts where the source and destination registers are different.
18549 2006-01-18 Paul Brook <paul@codesourcery.com>
18551 Merge from csl-arm-branch.
18552 2005-03-14 Julian Brown <julian@codesourcery.com>
18553 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18554 (aeabi_llsl): Likewise.
18555 (ashrdi3): Likewise.
18556 (aeabi_lasr): Likewise.
18557 (lshrdi3): Likewise.
18558 (aeabi_llsr): Likewise.
18559 2005-03-10 Julian Brown <julian@codesourcery.com>
18560 * config.gcc: Disable shared libgcc for SymbianOS.
18561 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18563 2006-01-18 DJ Delorie <dj@redhat.com>
18565 * c-pragma.c (handle_pragma_diagnostic): New.
18566 (init_pragma): Register it.
18567 * doc/extend.texi: Document it.
18569 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18570 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18571 (diagnostic_context): Add classify_diagnostic[].
18572 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18573 as errors if they're overridden to DK_WARNING.
18574 (diagnostic_initialize): Initialize classify_diagnostic[].
18575 (diagnostic_set_kind_override): New.
18576 (diagnostic_report_diagnostic): Check for kind changes.
18577 * opts.c (common_handle_option): Take lang_mask. Update callers.
18578 Handle OPT_Werror_.
18579 * common.opt (Werror=): New.
18580 * doc/invoke.texi: Document -Werror=*
18582 2006-01-18 Jeff Law <law@redhat.com>
18584 * tree-vrp.c (test_for_singularity): Correct test for new
18585 min limit. Use operand_equal_p rather than pointer equality
18586 for testing if new min/max values are equal.
18588 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18589 using range information until after propagation and folding.
18591 2006-01-18 Richard Henderson <rth@redhat.com>
18592 Aldy Hernandez <aldyh@redhat.com>
18593 Jakub Jelinek <jakub@redhat.com>
18594 Diego Novillo <dnovillo@redhat.com>
18596 * omp-low.c: New file.
18597 * c-omp.c: New file.
18599 2006-01-18 Richard Henderson <rth@redhat.com>
18600 Jakub Jelinek <jakub@redhat.com>
18601 Diego Novillo <dnovillo@redhat.com>
18603 * doc/invoke.texi: Document -fopenmp.
18604 * tree-dump.h (debug_function): Declare.
18605 * hooks.c (hook_bool_tree_bool_false): New function.
18606 (hook_tree_tree_null): Remove.
18607 (hook_tree_tree_tree_null): New.
18608 * hooks.h: Update to match.
18609 * tree-pretty-print.c (debug_tree_chain): New.
18610 (print_generic_expr): Handle TDF_CHAIN.
18611 (dump_generic_node): Handle BLOCK.
18612 Do not abort with incomplete SWITCH_EXPRs.
18613 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18614 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18615 print space after directive name.
18616 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18617 Handle OMP_MASTER and OMP_ORDERED.
18618 Handle printing of OMP_BODY just in one place, goto
18619 dump_omp_body in the rest of OMP_* nodes that have
18621 Don't handle clause nodes here. Update omp statements to
18622 use dump_omp_clauses.
18623 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18624 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18625 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18626 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18627 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18628 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18629 Adjust output for GOMP_PARALLEL.
18630 (dump_omp_clauses): New.
18631 (print_declaration): Dump DECL_VALUE_EXPR.
18632 (op_symbol_1): Split out of op_symbol.
18633 (dumping_stmts): Remove. Update all users.
18634 * cgraph.c (cgraph_analyze_queue): New.
18635 (cgraph_add_new_function): New.
18636 * cgraph.h (cgraph_analyze_queue): Declare.
18637 (cgraph_add_new_function): Declare.
18638 (cgraph_lower_function): Remove.
18639 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18640 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18641 and TYPE_P nodes in its default clause.
18642 (empty_body_p): New.
18643 (tree_range_check_failed): New.
18644 (build5_stat): New.
18645 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18646 OMP_CLAUSE_REDUCTION_MERGE,
18647 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18648 OMP_CLAUSE_PRIVATE_DEBUG,
18649 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18650 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18651 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18652 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18653 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18654 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18655 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18656 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18657 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18658 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18659 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18660 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18661 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18662 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18663 (TREE_RANGE_CHECK): New.
18664 (empty_body_p): Declare.
18665 (enum omp_clause_default_kind): New.
18666 (build_string_literal): Declare.
18667 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18668 (build5_stat, build5): Declare.
18669 * tree-pass.h (TDF_CHAIN): Define.
18670 * tree-pass.h (PROP_gimple_lomp): Define.
18671 (pass_lower_omp): Declare.
18672 * diagnostic.h (debug_tree_chain): Declare.
18673 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18675 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18676 * builtins.c (build_string_literal): Make extern.
18677 * gcc.c (include_spec_function): New.
18678 (static_spec_functions): Add it.
18679 (main): Move load of libgomp.spec ...
18680 (LINK_COMMAND_SPEC): ... here.
18681 (link_gomp_spec): New.
18682 (static_specs): Include it.
18683 (LINK_COMMAND_SPEC): Add link_gomp.
18684 (GOMP_SELF_SPECS): New.
18685 (driver_self_specs): Include it.
18686 (switch_matches): Don't mark inline.
18687 (main): Load libgomp.spec.
18688 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18689 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18690 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18691 * tree-gimple.h (enum omp_parallel): Declare.
18692 (determine_parallel_type): Declare.
18693 (omp_firstprivatize_variable): Declare.
18694 (omp_reduction_init): Declare.
18695 (diagnose_omp_structured_block_errors): Declare.
18696 (struct walk_stmt_info): Add want_return_expr.
18697 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18698 (find_omp_clause): Declare.
18699 (insert_field_into_struct): Declare.
18700 (struct walk_stmt_info): Move from tree-nested.c
18701 (walk_stmts): Declare.
18702 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18704 * cgraphunit.c (cgraph_lower_function): Make static.
18705 (cgraph_finalize_pending_functions): New.
18706 (cgraph_finalize_function): Call it.
18707 (cgraph_finalize_compilation_unit): Likewise.
18708 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18709 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18710 (BT_FN_UINT_UINT): New.
18711 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18712 DEF_FUNCTION_TYPE_VAR_4): Document.
18713 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18714 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18715 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18716 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18717 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18718 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18719 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18720 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18721 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18722 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18723 into separate files.
18724 (DEF_GOMP_BUILTIN): New.
18725 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18726 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18727 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18728 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18729 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18730 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18731 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18732 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18733 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18734 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18735 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18736 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18737 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18738 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18739 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18740 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18741 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18742 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18743 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18744 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18745 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18746 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18747 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18748 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18749 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18750 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18751 * sync-builtins.def: New file, moved from builtins.def.
18752 * omp-builtins.def: New file, moved from builtins.def.
18753 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18754 * gimple-low.c (lower_function_body): Clear data.
18755 (lower_stmt): Do not handle COMPOUND_EXPR.
18756 Remove call to print_node_brief.
18757 * c-tree.h (c_finish_omp_clauses): New prototype.
18758 (C_DECL_THREADPRIVATE_P): Define.
18759 (lookup_name_no_remap, c_omp_remap_private): Remove
18760 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18761 (check_for_loop_decls): Update decl.
18762 (lookup_name_no_remap, c_omp_remap_private): Declare.
18763 (build_indirect_ref, build_modify_expr, pushdecl,
18764 pushdecl_top_level): Move to c-common.h.
18765 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18766 before the switch, but just in the 2 places that need it.
18767 * c-decl.c (diagnose_mismatched_decls): Do not check for
18768 mismatched thread-local attributes when OLDDECL is marked
18769 threadprivate and NEWDECL has no thread-local attributes.
18770 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18771 (c_gimple_diagnostics_recursively): Rename from
18772 c_warn_unused_result_recursively. Invoke
18773 diagnose_omp_structured_block_errors.
18774 (check_for_loop_decls): Return a singular decl found.
18775 * langhooks.c (lhd_omp_predetermined_sharing): Return
18776 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18777 (lhd_omp_firstprivatize_type_sizes): New.
18778 (lhd_omp_assignment): New.
18779 (lhd_omp_predetermined_sharing): New.
18780 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18781 (struct lang_hooks_for_types): Add
18782 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18783 omp_predetermined_sharing, omp_disregard_value_expr,
18784 omp_private_debug_clause, omp_clause_default_ctor,
18785 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18786 (c_finish_omp_clauses): New.
18787 (c_finish_bc_stmt): Diagnose break within omp for.
18788 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18789 (build_unary_op): Return error_mark after reporting
18791 (build_modify_expr): Likewise.
18792 * gimplify.c: Include optabs.h and pointer-set.h.
18793 (enum gimplify_omp_var_data): Declare.
18794 (struct gimplify_omp_ctx): Declare.
18795 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18797 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18798 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18799 (splay_tree_compare_decl_uid): New.
18800 (new_omp_context): New.
18801 (delete_omp_context): New.
18802 (gimple_add_tmp_var): Call omp_add_variable.
18803 (gimplify_bind_expr): Likewise.
18804 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18805 true, disregard DECL_VALUE_EXPR on the decl if any.
18806 (gimplify_expr_in_ctx): New.
18807 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18808 omp_add_variable, omp_notice_variable, omp_is_private
18809 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18810 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18811 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18812 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18813 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18814 gimplify_omp_atomic): New.
18815 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18816 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18817 OMP_CRITICAL and OMP_ATOMIC.
18818 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18819 * c-pragma.h (enum pragma_kind): Add
18820 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18821 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18822 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18823 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18824 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18825 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18826 PRAGMA_OMP_THREADPRIVATE.
18827 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18828 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18829 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18830 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18831 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18832 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18833 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18834 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18835 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18836 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18837 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18838 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18839 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18841 (struct nesting_info): Add field_map,
18842 suppress_expansion, debug_var_chain.
18843 (create_nesting_tree): Initialize them.
18844 (lookup_field_for_decl): Use field_map.
18845 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18846 (convert_local_omp_clauses): New.
18847 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18848 (walk_body): Split out of walk_function.
18849 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18850 (convert_nonlocal_reference): Handle omp statements.
18851 (convert_local_reference): Likewise.
18852 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18853 (unnest_nesting_tree): New.
18854 (lower_nested_functions): Call it.
18855 (insert_field_into_struct): Make extern.
18856 (struct walk_stmt_info): Move to tree-gimple.h.
18857 (walk_stmts): Make extern.
18858 * omp-builtins.def: New file.
18859 * tree-iterator.c (expr_only): Clarify comment.
18860 * c-common.h (pushdecl_top_level, pushdecl,
18861 build_modify_expr, build_indirect_ref,
18862 c_finish_omp_master, c_finish_omp_critical,
18863 c_finish_omp_ordered, c_finish_omp_barrier,
18864 c_finish_omp_atomic, c_finish_omp_flush,
18865 c_finish_omp_for, c_split_parallel_clauses,
18866 omp_clause_default_kind, c_omp_sharing_predetermined,
18867 c_omp_remap_decl): Declare.
18868 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18869 (OBJS-common): Add omp-low.o.
18870 (c-omp.o, omp-low.o): Add.
18871 (gimplify.o): Add dependency on $(OPTABS_H).
18872 (GTFILES): Add omp-low.c.
18873 (gt-stringpool.h): Add.
18874 * tree-cfg.c (set_bb_for_stmt): Do not update the
18875 block-to-labels map if we are currently expanding to RTL.
18876 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18878 Handle IDENTIFIER_NODE.
18879 (tree_verify_flow_info): Do not ICE when emitting error
18880 messages about invalid labels.
18881 (dump_function_to_file): Reset CFUN before emitting the body
18883 (debug_function): New.
18884 * passes.c (init_optimization_passes): Schedule
18886 * langhooks-def.h (lhd_omp_predetermined_sharing,
18887 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18889 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18890 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18891 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18892 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18893 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18894 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18895 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18896 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18897 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18898 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18899 (LANG_HOOK_DECLS): Use them.
18901 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18902 Richard Henderson <rth@redhat.com>
18903 Jakub Jelinek <jakub@redhat.com>
18904 Diego Novillo <dnovillo@redhat.com>
18906 * c-parser.c (pragma_omp_clause): Define.
18907 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18908 (c_parser_compound_statement): Likewise.
18909 (c_parser_statement): Likewise.
18910 (c_parser_pragma): Handle omp pragmas.
18911 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18912 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18913 (c_parser_omp_clause_name, check_no_duplicate_clause,
18914 c_parser_omp_variable_list,
18915 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18916 c_parser_omp_clause_copyprivate,
18917 c_parser_omp_clause_default,
18918 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18919 c_parser_omp_clause_lastprivate,
18920 c_parser_omp_clause_nowait,
18921 c_parser_omp_clause_num_threads,
18922 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18923 c_parser_omp_clause_reduction,
18924 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18925 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18926 c_parser_omp_atomic, c_parser_omp_barrier,
18927 c_parser_omp_critical, c_parser_omp_flush,
18928 c_parser_omp_for_loop, c_parser_omp_for,
18929 c_parser_omp_master, c_parser_omp_ordered,
18930 c_parser_omp_sections_scope, c_parser_omp_sections,
18931 c_parser_omp_parallel, c_parser_omp_single,
18932 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18933 * c-pragma.c (init_pragma): Do omp pragma registration here.
18934 * c.opt (fopenmp): New flag.
18936 2006-01-18 Eric Christopher <echristo@apple.com>
18938 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18939 * config/darwin.h (GOMP_SELF_SPECS): Define.
18941 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18943 * rtl.h: Remove the prototype for reg_alloc.
18945 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18948 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18949 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18950 sjlj and dwarf2 exception handling.
18951 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18952 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18953 * pa/pa.c (function_value): Treat complex and vector types as
18955 (function_arg): Likewise. Only pass scalar floats in the floating
18956 point argument registers.
18957 * pa/t-slibgcc-dwarf-ver: New file.
18958 * pa/t-slibgcc-sjlj-ver: New file.
18959 * pa/t-slibgcc-elf-ver: Delete file.
18961 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18963 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18964 unlikely_test_section_p test.
18966 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18968 * mode-switching.c (optimize_mode_switching): Make it static.
18969 * basic-block.h: Remove the prototype for
18970 optimize_mode_switching.
18972 * modulo-sched.c (sms_schedule): Make it static.
18973 * rtl.h: Remove the prototype for sms_schedule.
18975 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18976 * rtl.h: Remove the prototype for gcse_after_reload_main.
18978 * reg-stack.c (reg_to_stack): Make it static.
18979 * rtl.h: Remove the prototype for reg_to_stack.
18981 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18983 * rtl.h: Remove the prototypes for regrename_optimize and
18984 copyprop_hardreg_forward.
18986 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18988 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18989 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18990 Test against the appropriate null constant for the mode.
18991 If 'fixup_overlap' is true, swap the operands if they overlap.
18992 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18993 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18994 alpha_split_tmode_pair and adjust for above change.
18995 * config/alpha/alpha.md (movtf_internal): Adjust call to
18996 alpha_split_tfmode_pair and rely on it to swap the operands.
18997 (movti_internal): New insn and post-reload splitter.
18998 (movti): New expander.
19000 2006-01-18 Philippe De Muyter <phdm@macqel.be>
19002 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
19005 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19007 * rtlanal.c (global_reg_mentioned_p_1,
19008 global_reg_mentioned_p): Remove.
19009 * rtl.h: Remove the prototype for global_reg_mentioned_p.
19011 * flow.c (initialize_uninitialized_subregs): Make it static.
19012 * rtl.h: Remove the prototype for
19013 initialize_uninitialized_subregs.
19015 * function.c (instantiate_virtual_regs): Make it static.
19016 * function.h: Remove the prototype for
19017 instantiate_virtual_regs.
19019 * regmove.c (regmove_optimize, combine_stack_adjustments):
19021 * rtl.h: Remove the prototypes for regmove_optimize and
19022 combine_stack_adjustments.
19024 2006-01-17 Roger Sayle <roger@eyesopen.com>
19026 * config/i386/i386.c (COSTS_N_BYTES): New macro.
19027 (size_cost): Encode costs in bytes so that a reg-reg addition is
19028 equivalent to COSTS_N_INSNS(1).
19029 (override_options): Use the size_cost.branch_cost as the default
19030 ix86_branch_cost when optimizing for size.
19032 2006-01-18 Ben Elliston <bje@au.ibm.com>
19034 * Makefile.in (D32PBIT_FUNCS): New.
19035 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
19036 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
19037 D64PBIT_FUNCS and D128PBIT_FUNCS.
19038 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
19039 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
19041 (decnumber_dep): Define.
19042 * doc/libgcc.texi (Decimal float library routines): New node.
19043 * config/dfp-bit.h, config/dfp-bit.c: New files.
19045 2006-01-18 Ben Elliston <bje@au.ibm.com>
19047 * expr.c (emit_move_change_mode): Always adjust addresses, not
19048 just during reload. Copy replacements only during reload.
19049 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
19050 emit_move_via_integer.
19052 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
19054 * Makefile.in (check-%, check-consistency): Use $${srcdir}
19055 instead of $(srcdir) and ${srcdir}.
19057 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
19060 PR middle-end/11135
19061 * arm.h (struct machine_function): Add pic_reg.
19062 * arm.c (arm_pic_register): Make unsigned.
19063 (arm_override_options): Only set arm_pic_register if
19064 TARGET_SINGLE_PIC_BASE.
19065 (use_return_insn): Only test for a pic register if it is fixed.
19066 (arm_compute_save_reg0_reg12_mask): Likewise.
19067 (thumb_compute_save_reg_mask): Likewise.
19068 (legitimate_pic_operand): Factor out some known invariants.
19069 (legitimize_pic_address): If we don't have a fixed pic register,
19070 then set up a pseudo in the function entry sequence. Handle the
19071 pic base being in a pseudo.
19072 (arm_load_pic_register): Handle the pic register being in a pseudo.
19073 (arm_expand_prologue): Only set up the pic register if it is fixed.
19074 (thumb_expand_prologue): Likewise.
19075 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
19076 (pic_load_addr_based_insn): Likewise.
19077 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
19080 2006-01-18 Ben Elliston <bje@au.ibm.com>
19082 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
19083 decimal float modes for all floating point registers.
19085 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
19086 match_code "mem" with match_test "macho_lo_sum_memory_operand".
19088 2006-01-17 Jakub Jelinek <jakub@redhat.com>
19091 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
19092 even when the pointer is not NULL.
19094 2006-01-16 Ian Lance Taylor <ian@airs.com>
19096 * common.opt (ftoplevel-reorder): New option.
19097 * cgraph.c (cgraph_asm_nodes): New global variable.
19098 (cgraph_asm_last_node): New static variable.
19099 (cgraph_order): New global variable.
19100 (cgraph_create_node): Set new order field.
19101 (cgraph_varpool_node): Likewise.
19102 (decide_is_variable_needed): Return true if not
19103 flag_toplevel_reorder.
19104 (cgraph_add_asm_node): New function.
19105 * cgraph.h (struct cgraph_node): Add order field.
19106 (struct cgraph_varpool_node): Add order field.
19107 (struct cgraph_asm_node): Define.
19108 (cgraph_asm_nodes, cgraph_order): Declare.
19109 (cgraph_add_asm_node): Declare.
19110 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19112 (cgraph_varpool_assemble_pending_decls): Call it.
19113 (cgraph_output_pending_asms): New static function.
19114 (cgraph_finalize_compilation_unit): Call it.
19115 (struct cgraph_order_sort): Define.
19116 (cgraph_output_in_order): New static function.
19117 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19118 !flag_toplevel_reorder case.
19119 * c-parser.c: Include "cgraph.h".
19120 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19122 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19123 than -fno-unit-at-a-time.
19124 * doc/invoke.texi (Option Summary): Mention
19125 -fno-toplevel-reorder.
19126 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19127 -funit-at-a-time documentation.
19129 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19130 Kazu Hirata <kazu@codesourcery.com>
19132 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19134 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19136 * Makefile.in (FUNCTION_H): New. Use it instead of
19137 function.h throughout the file.
19138 * function.h: Include tree.h.
19140 2006-01-17 Ben Elliston <bje@au.ibm.com>
19142 * recog.c: Separate some functions with whitespace.
19144 2006-01-16 Richard Henderson <rth@redhat.com>
19146 Merge from gomp branch:
19147 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19148 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19149 and rename from struct inline_data. Rename callee* to dst*;
19150 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19151 transform_new_cfg, transform_return_to_modify, and
19152 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19154 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19155 (copy_decl_for_dup): Remove.
19156 * tree-inline.c (struct inline_data): Move to header.
19157 (insert_decl_map): Export.
19158 (remap_decl): Update for member name changes. Use copy_decl hook.
19159 Allow for replacement to be a non-decl. Remove dead code.
19160 (remap_type_1): Check for existing mapping.
19161 (remap_type): Export.
19162 (remap_decls): Update for member name changes.
19163 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19164 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19165 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19166 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19167 (tree_function_versioning, build_duplicate_type): Likewise.
19168 (copy_body_r): Likewise. Export.
19169 (copy_decl_for_dup): Split into ...
19170 (copy_decl_for_dup_finish, copy_decl_to_var,
19171 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19172 (replace_ref_tree, inlining_p): Remove.
19174 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19176 * ifcvt.c (if_convert): Make it static.
19177 * rtl.h: Remove the prototype for if_convert.
19179 * local-alloc.c (local_alloc): Make it static.
19180 * rtl.h: Remove the prototype for local_alloc.
19182 * loop.c (loop_optimize): Make it static.
19183 * cfgloop.h: Remove the prototype for loop_optimize.
19186 2006-01-16 DJ Delorie <dj@redhat.com>
19188 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19191 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19193 * pa.md: Disparage copies between general and floating-point registers
19194 in 32-bit move patterns.
19196 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19199 * Makefile.in (check-%): Depend on site.exp instead of
19200 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19203 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19205 * global.c (global_alloc): Make it static.
19206 * rtl.h: Remove the prototype for global_alloc.
19208 2006-01-16 Richard Guenther <rguenther@suse.de>
19210 * tree-ssa-alias.c (struct used_part): Add write_only field.
19211 (get_or_create_used_part_for): Initialize it to true.
19212 (create_overlap_variables_for): Don't create structure variables
19213 for structures that only are written to.
19214 (find_used_portions): Handle MODIFY_EXPR to track whether a
19215 structure is only written to.
19217 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19219 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19221 * basic-block.h: Remove the prototype for
19222 partition_hot_cold_basic_blocks.
19224 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19226 * cppspec.c (lang_specific_spec_functions): Remove.
19227 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19228 * gcc.h (lang_specific_spec_functions): Remove.
19229 * gccspec.c (lang_specific_spec_functions): Remove.
19231 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19233 * combine.c (record_value_for_reg): Invalidate registers
19235 (record_dead_and_set_regs_1): Likewise, by passing them to
19236 record_value_for_reg.
19237 (record_dead_and_set_regs): Invalidate stores made by a
19238 call. We do not combine across a call, but we still
19239 relied on equivalences.
19241 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19243 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19244 vrp_int_const_binop returning non-constant nodes.
19246 2006-01-16 Paul Brook <paul@codesourcery.com>
19248 * config/m68k/m68k.c (output_move_const_into_data_reg):
19249 Output correct mnemonic for mvz and mvs.
19251 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19253 * rtl-factoring.c: Add sequence abstraction algorithm.
19254 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19255 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19257 (block_has_preserve_label): New function.
19258 * common.opt: Register new pass.
19259 * Makefile.in: Ditto.
19261 * timevar.def: Ditto.
19262 * tree-pass.h: Ditto.
19263 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19264 * rtl.h (make_jump_insn_raw): Add forward decl.
19265 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19267 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19268 Roger Sayle <roger@eyesopen.com>
19270 * fold-const.c (fold_minmax): New static function.
19271 (fold_binary) <MIN_EXPR>: Call it.
19272 <MAX_EXPR>: Likewise.
19273 * stor-layout.c (place_field): Use DECL_SIZE consistently
19274 in the computation of the new record size.
19276 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19278 * cse.c (cse_condition_code_reg): Make it static.
19279 * rtl.h: Remove the prototype for cse_condition_code_reg.
19281 * combine.c (combine_instructions): Make it static.
19282 * rtl.h: Remove the prototype for combine_instructions.
19284 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19287 * tree.c (get_file_function_name_long): Concatenate the first global
19288 object name with a string derived from the input filename of the object
19291 2006-01-16 Ben Elliston <bje@au.ibm.com>
19293 * config/i386/winnt-stubs.c: Update FSF address.
19294 * config/xtensa/ieee754-df.S: Ditto.
19295 * config/xtensa/ieee754-sf.S: Ditto.
19297 2006-01-14 Ian Lance Taylor <ian@airs.com>
19299 * ifcvt.c (noce_init_if_info): New static function, broken out of
19300 noce_process_if_block.
19301 (noce_process_if_block): Call noce_init_if_info.
19302 (check_cond_move_block): New static function.
19303 (cond_move_process_if_block): New static function.
19304 (process_if_block): Call cond_move_process_if_block.
19306 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19308 * cselib.c (hash_table): Rename to cselib_hash_table.
19309 (cselib_clear_table, discard_useless_values,
19310 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19311 cselib_init, cselib_finish): Adjust uses of hash_table.
19313 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19315 PR tree-optimization/25485
19316 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19317 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19318 is known to be false and true, respectively.
19320 2006-01-14 Richard Guenther <rguenther@suse.de>
19322 PR tree-optimization/22548
19323 PR tree-optimization/22555
19324 PR tree-optimization/22501
19325 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19326 * params.def (salias-max-array-elements): New parameter.
19327 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19328 * doc/invoke.texi (salias-max-array-elements): Document.
19329 * tree-flow-inline.h (var_can_have_subvars): We also handle
19331 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19333 * tree-ssa-structalias.c (params.h): Include.
19334 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19335 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19336 (get_constraint_for): For ADDR_EXPR operating on something
19337 containing an ARRAY_REF, add all subvars to the solution.
19338 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19339 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19340 for creating MUST_DEFs.
19341 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19343 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19345 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19347 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19348 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19349 number_of_iterations_le): New functions.
19350 (number_of_iterations_special): Removed.
19351 (number_of_iterations_exit): Do not use number_of_iterations_special.
19352 * tree.c (unsigned_type_for): Always return integer type.
19354 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19355 Richard Guenther <rguenther@suse.de>
19357 PR rtl-optimization/24257
19358 * gcse.c (find_moveable_store): Only consider a store movable
19359 when the SET_SRC of the insn can be assigned to a register.
19361 2006-01-14 Ian Lance Taylor <ian@airs.com>
19363 * tree.c (tree_not_class_check_failed): New function.
19364 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19365 (tree_not_class_check_failed): Declare.
19367 2006-01-13 Ian Lance Taylor <ian@airs.com>
19369 * reload1.c (do_output_reload): Add assertion rejecting a
19372 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19374 * combine.c (struct reg_stat): Add new fields truncation_label and
19376 (record_value_for_reg): Reset truncated_to_mode.
19377 (record_truncated_value): New function.
19378 (check_promoted_subreg): Call it. Rename to check_conversions.
19379 (combine_instructions): Rename check_promoted_subreg to
19381 (reg_truncated_to_mode): New function.
19382 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19383 (gen_lowpart_or_truncate): New function.
19384 (force_to_mode): Use it instead of gen_lowpart.
19386 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19388 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19389 VAR is a tag, not its type tag.
19391 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19393 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19394 alternatives to match style of other entries.
19395 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19397 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19399 PR tree-optimization/25771
19400 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19403 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19406 * tree-inline.c (declare_return_variable): If the return variable
19407 was marked as a non gimple complex, set the return slot variable
19408 to be a non gimple comple variable.
19410 2006-01-13 Richard Guenther <rguenther@suse.de>
19412 * builtins.c (expand_builtin_sincos): New function.
19413 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19415 (expand_builtin): Expand sincos using expand_builtin_sincos.
19417 2006-01-12 DJ Delorie <dj@redhat.com>
19419 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19420 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19421 so that constant shifts can be split.
19422 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19423 (m32c_valid_pointer_mode): Make static.
19424 (shift_gen_func_for): New.
19425 (m32c_prepare_shift): Use it. Split large const shifts into
19427 * config/m32c/predicates.md (shiftcount_operand): Allow more
19429 (longshiftcount_operand): New.
19430 * doc/md.texi (Machine Constraints): Document In6.
19432 2006-01-13 Ben Elliston <bje@au.ibm.com>
19434 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19435 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19438 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19440 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19441 to try to avoid clobbering pieces of structures when we know
19442 something about the whole structure.
19443 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19445 2006-01-13 Ben Elliston <bje@au.ibm.com>
19447 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19448 return in memory, as this is no limitation is no longer present.
19450 2006-01-12 DJ Delorie <dj@redhat.com>
19452 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19453 mova with fb, and for fb+0 -> An.
19455 * config/m32c/mov.md (peephole2): Fix enabling logic.
19457 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19458 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19459 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19460 FINI_ARRAY_SECTION_ASM_OP): Define.
19462 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19464 (m32c_legitimize_reload_address): New logic to reload FB to An.
19465 (m32c_output_reg_push): Add newline.
19466 (m32c_output_reg_pop): Likewise.
19468 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19470 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19472 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19474 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19476 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19478 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19481 2006-01-11 Ben Elliston <bje@au.ibm.com>
19483 * rtlanal.c (find_reg_note): Assert insn is not null.
19485 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19487 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19490 2006-01-11 Jeff Law <law@redhat.com>
19492 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19494 (mark_threaded_blocks, register_jump_thread): New functions.
19495 (thread_through_all_blocks): Remove unwanted argument. No
19496 longer rely on e->aux to communicate thread target info.
19497 Call mark_threaded_blocks. Release the threaded_blocks
19498 bitmap and threaded_edges vector when complete.
19499 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19500 (threaded_blocks): Remove.
19501 (tree_ssa_dominator_optimize): Remove initialization and
19502 finalization of threaded_blocks. Simplify call to
19503 thread_through_all_blocks.
19504 (thread_across_edge): Call register_jump_thread rather than
19505 storing thread information into e->aux.
19506 (free_all_edge_infos): Simplify now that e->aux is no longer
19507 used to communicate with thread_through_all_blocks.
19508 * tree-flow.h (thread_through_all_blocks): Update prototype.
19509 (register_jump_thread): Prototype.
19511 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19513 * df-core.c (df_compact_blocks, df_bb_replace): Use
19514 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19516 2006-01-11 Richard Guenther <rguenther@suse.de>
19518 PR tree-optimization/25734
19519 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19520 stop propagation after successful propagation to the LHS.
19522 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19524 * basic-block.h (control_flow_graph): Change the type of
19525 x_basic_block_info to VEC(basic_block,gc) *.
19526 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19528 (SET_BASIC_BLOCK): New.
19529 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19530 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19531 * cfgbuild.c (find_basic_blocks): Likewise.
19532 * cfglayout.c (fixup_reorder_chain): Likewise.
19533 * cfgrtl.c (create_basic_block_structure,
19534 rtl_create_basic_block): Likewise.
19535 * ifcvt.c (find_if_case_1): Likewise.
19536 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19539 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19541 * Makefile.in: Removed rotted odf.c entry.
19543 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19546 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19547 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19548 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19549 output pattern modifier, not %e.
19550 * config/cris/cris.c (cris_op_str): Update comment about pattern
19552 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19553 before falling through into...
19554 <case 'E'>: Redefined from old 'e' case.
19556 2006-01-11 Jan Hubicka <jh@suse.cz>
19559 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19561 2006-01-11 Jan Hubicka <jh@suse.cz>
19563 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19564 * i386.c (x86_decompose_lea): Kill.
19565 (ix86_rtx_costs): Kill.
19567 2006-01-11 Jan Hubicka <jh@suse.cz>
19569 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19570 * cgraph.h (cgraph_node): Add inline_decl.
19571 (cgraph_insert_node_to_hashtable): Declare.
19572 (save_inline_function_body): Declare.
19573 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19575 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19576 (cgraph_function_versioning): Update call of tree_function_versioning.
19577 (save_inline_function_body): New function.
19578 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19579 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19580 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19581 (cgraph_default_inline_p): Likewise.
19582 (cgraph_decide_inlining_incrementally): Likewise.
19583 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19584 (copy_bb): Kill saving; do updating of clones.
19585 (copy_cfg_body): Kill saving.
19586 (initialize_inlined-parameters): Likewise.
19587 (expand_call_inline): Likewise.
19589 (tree_function_versioning): New parameter "update_clones".
19590 (inlining_p): Kill saving.
19591 * tree-inline.h (tree_function_versioning): Update prototype.
19592 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19595 2006-01-11 Ian Lance Taylor <ian@airs.com>
19597 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19598 Allow undoing set of machine mode.
19599 (do_SUBST): Use enums instead of is_int.
19600 (do_SUBST_MODE): New function.
19601 (SUBST_MODE): New macro.
19602 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19603 reg and trying to replace reg_regno_rtx with a new register.
19604 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19605 (simplify_set): Use SUBST_MODE.
19606 (distribute_notes): Remove code that tried to update reg notes
19607 for regno_reg_rtx changes.
19609 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19611 PR tree-optimization/23109
19612 PR tree-optimization/23948
19613 PR tree-optimization/24123
19615 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19616 * tree-cfg.c (single_noncomplex_succ): New.
19617 * tree-flow.h (single_noncomplex_succ): Declare it.
19618 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19619 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19620 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19621 insert_bb, register_division_in, insert_reciprocals,
19622 replace_reciprocal, free_bb): New.
19623 (execute_cse_reciprocals_1): Rewritten.
19624 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19625 Do not commit any edge insertion. Always compute dominators and
19626 create the allocation pool.
19627 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19628 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19629 * targhooks.c (default_min_divistions_for_recip_mul): New.
19630 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19631 * passes.c (init_optimization_passes): Run recip after tree loop
19633 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19635 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19636 Kenneth Zadeck <zadeck@naturalbridge.com>
19638 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19639 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19640 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19641 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19642 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19643 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19644 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19645 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19646 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19647 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19648 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19649 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19650 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19651 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19652 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19653 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19654 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19655 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19656 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19657 DF_SCAN_POST_ALLOC): New macros.
19658 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19659 df_free_bb_function, df_local_compute_function, df_init_function,
19660 df_dataflow_function, df_confluence_function_0,
19661 df_confluence_function_n, df_transfer_function,
19662 df_finalizer_function, df_free_function, df_dump_problem_function,
19663 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19664 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19665 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19666 df_urec_bb_info, ) New types.
19667 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19669 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19670 df_analyze_simple_change_some_blocks,
19671 df_analyze_simple_change_one_block, df_compact_blocks,
19672 df_bb_replace, df_bb_regno_last_use_find,
19673 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19674 df_insn_regno_def_p, df_find_def, df_find_use,
19675 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19676 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19677 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19678 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19679 debug_df_chain, df_get_dependent_problem, df_chain_create,
19680 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19681 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19682 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19683 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19684 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19685 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19686 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19687 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19688 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19689 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19690 df_reorganize_refs, df_set_state, df_hard_reg_init,
19691 df_read_modify_subreg_p) New public functions.
19692 * df-core.c: The core dataflow solver and glue routines for rtl
19694 (df_init, df_add_problem, df_set_blocks, df_finish,
19695 df_hybrid_search_forward, df_hybrid_search_backward,
19696 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19697 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19698 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19699 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19700 df_reg_defined, df_find_use, df_reg_used, df_dump,
19701 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19702 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19703 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19704 debug_df_useno, reset_df_after_reload): New functions.
19705 * df-scan.c: The scanning fuctions, once in df.c, completely
19706 rewritten so that they now fully model the functionality of
19707 register usage at the backend.
19708 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19709 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19710 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19711 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19712 df_get_artificial_defs, df_get_artificial_uses,
19713 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19714 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19715 df_refs_delete, df_reorganize_refs, df_set_state,
19716 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19717 df_def_record_1, df_defs_record, df_uses_record,
19718 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19719 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19720 df_record_exit_block_uses, df_hard_reg_init): New functions.
19722 * df-problems.c: Seven concrete dataflow problems that use the
19723 scanning in df-scan.c and are solved by the engine in df-core.c.
19724 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19725 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19726 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19727 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19728 df_ru_free_bb_info, df_ru_alloc,
19729 df_ru_bb_local_compute_process_def,
19730 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19731 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19732 df_ru_transfer_function, df_ru_free, df_ru_dump,
19733 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19734 df_rd_free_bb_info, df_rd_alloc,
19735 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19736 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19737 df_rd_transfer_function, df_rd_free, df_rd_dump,
19738 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19739 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19740 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19741 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19742 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19743 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19744 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19745 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19746 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19747 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19748 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19749 df_urec_mark_reg_use_for_earlyclobber,
19750 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19751 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19752 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19753 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19754 df_chain_create_bb_process_use, df_chain_create_bb,
19755 df_chain_finalize, df_chain_free, df_chains_dump,
19756 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19757 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19758 df_reg_lifetime): New functions.
19759 * df.c: Deleted file.
19760 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19761 consistent with new df api.
19762 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19763 rest_of_handle_sms): Ditto.
19764 * web.c (unionfind_union, union_defs, entry_register, web_main):
19766 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19767 invariant_expr_equal_p, find_defs, check_dependencies,
19768 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19769 free_inv_motion_data, move_loop_invariants): Ditto.
19770 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19771 Update dependencies.
19772 (odf.c): Added defective entry that was deleted later in day.
19773 * sched-deps.c (sched_analyze_1): Ditto.
19775 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19777 * tree-ssa-operands.c (get_expr_operands): Record addressable
19778 variables directly. Do not call add_stmt_operands for CONST_DECLs
19780 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19781 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19783 2006-01-11 Ben Elliston <bje@au.ibm.com>
19785 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19786 function returns true in the positive case.
19788 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19791 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19792 for SI, DI, SF and DF modes. Add alternatives to copy between
19793 general and floating point registers to the 32-bit patterns.
19794 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19795 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19796 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19797 generating 64-bit code.
19798 * config/pa/pa.c (output_move_double): Handle copies between general
19799 and floating registers.
19801 2006-01-10 Stuart Hastings <stuart@apple.com>
19803 * config/i386/i386.md (set_got): Update.
19804 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19805 (builtin_setjmp_receiver): Mach-O support.
19806 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19807 (GOT_SYMBOL_NAME): Define.
19808 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19809 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19810 * config/i386/i386.c (override_options): Revise for Darwin.
19811 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19812 support. (darwin_x86_file_end): New. (output_set_got): Add label
19813 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19814 * config/i386/i386-protos.h (output_set_got): Likewise.
19815 * config/darwin.c (machopic_legitimize_pic_address): Update
19818 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19820 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19821 when MODE isn't BLKmode.
19823 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19825 PR rtl-optimization/25367
19826 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19828 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19831 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19832 for a negative bound.
19834 2006-01-10 Richard Guenther <rguenther@suse.de>
19836 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19837 Never override with anything constraint.
19839 2006-01-10 Jan Beulich <jbeulich@novell.com>
19841 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19842 256 bits when optimize_size.
19844 2006-01-10 Jan Beulich <jbeulich@novell.com>
19846 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19848 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19849 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19852 2006-01-10 Ben Elliston <bje@au.ibm.com>
19854 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19856 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19857 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19858 (USE_FP_FOR_ARG): Reject decimal float modes.
19859 (function_arg_advance): Likewise.
19860 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19861 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19862 point types in AltiVec vectors.
19863 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19864 (rs6000_libcall_value): Likewise.
19866 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19868 * config/xtensa/ieee754-df.S: New file.
19869 * config/xtensa/ieee754-sf.S: New file.
19870 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19871 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19872 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19874 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19876 * config/sh/predicates.md (binary_float_operator,
19877 binary_logical_operator, commutative_float_operator,
19878 equality_comparison_operator, greater_comparison_operator,
19879 less_comparison_operator, logical_operator,
19880 noncommutative_float_operator, shift_operator,
19881 symbol_ref_operand, unary_float_operator): Remove redundant
19884 2006-01-09 Jeff Law <law@redhat.com>
19886 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19887 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19888 now unused arguments. Callers updated.
19889 (eliminate_redundant_computations): Remove now unused arguments,
19891 (local_fold): Remove, no longer used.
19892 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19894 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19895 (simplify_cond): New function.
19896 (forward_propagate_into_cond): Call simplify_cond.
19898 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19900 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19901 (*vec_extractv2di_1_sse): New.
19903 2006-01-09 Ben Elliston <bje@au.ibm.com>
19905 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19907 2006-01-08 Richard Guenther <rguenther@suse.de>
19909 * tree-ssa-structalias.c (get_constraint_for): Remove
19910 anyoffset argument.
19911 (get_constraint_for_component_ref): Likewise.
19912 (do_deref): Likewise.
19913 (get_constraint_for): Likewise.
19914 (do_structure_copy): Likewise.
19915 (handle_ptr_arith): Likewise.
19916 (find_func_aliases): Likewise. Remove unused need_anyoffset
19919 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19920 Kaz Kojima <kkojima@gcc.gnu.org>
19922 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19923 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19924 (EXTRA_CONSTRAINT_C16): Remove.
19925 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19926 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19927 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19928 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19929 constants of SHmedia. Handle nested constant expressions of
19931 (andcosts): Fix the costs for SHmedia constants.
19932 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19933 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19934 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19935 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19936 (movv4hi_i, movv2si_i): Likewise.
19937 (movsi_const): Adjust the second operand of ior so to match with
19938 the Csu constraint.
19939 (movdi_const, movdi_const_32bit): Likewise.
19940 (movdi_const_16bit+1): Don't sign-extend LOW.
19941 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19943 (*double_shori): Fix the split condition. Use GEN_INT instead
19944 of get_int_mode calls. Mask lower 16-bit of the argument of
19946 (sym2GOTPLT): Remove.
19947 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19949 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19950 instead of EXTRA_CONSTRAINT_C16.
19952 2006-01-07 Ian Lance Taylor <ian@airs.com>
19953 David Edelsohn <edelsohn@gnu.org>
19955 PR rtl-optimization/25662
19956 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19957 for constant operands instead of simplify_gen_binary.
19958 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19959 after trying simplify_binary_operation
19961 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19963 * tree.c (iterative_hash_expr): Hash decls based on UID.
19965 2006-01-06 Eric Christopher <echristo@apple.com>
19967 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19968 (TARGET_UNWIND_EMIT): Fix spelling.
19969 * target.h (gcc_target): Add except_table_label.
19970 * except.c (output_function_exception_table): Use.
19971 * varasm.c (default_emit_except_table_label): New.
19972 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19974 (asm_out): Add here.
19975 * output.h (default_emit_except_table_label): Prototype.
19976 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19977 * config/darwin.c (darwin_emit_except_table_label): Define.
19978 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19980 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19982 PR tree-optimization/18527
19983 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19984 number_of_iterations_special, number_of_iterations_exit):
19985 Move base and step of an iv to a single structure. Add
19986 no_overflow flag, and use it in # of iterations analysis.
19987 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19988 folded_casts argument.
19989 (simple_iv): Pass base and step in a structure. Set no_overflow
19991 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19992 Evaluate expensiveness of computing # of iterations instead of
19993 the final expression.
19994 * tree-scalar-evolution.h (affine_iv): New structure.
19995 (simple_iv): Declaration changed.
19996 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19997 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19998 find_givs_in_stmt): Changed due to simple_iv change.
20000 2006-01-06 Jeff Law <law@redhat.com>
20003 * tree-cfg.c (bsi_replace): Rename final argument from
20004 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
20005 change (stmt -> orig_stmt).
20006 * tree-eh.c (verify_eh_throw_stmt_node): New function.
20007 (bsi_remove): Add new argument. Remove EH information
20009 (verify_eh_throw_table_statements): New function.
20010 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
20012 * tree-optimize.c (execute_free_cfg_annotations): Verify
20013 the EH throw statement table after removing annotations.
20014 * except.h (verify_eh_throw_table_statements): Prototype.
20015 * tree-flow.h (bsi_remove): Update prototype.
20016 * tree-vrp.c (remove_range_assertions): Add new argument to
20018 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
20019 * tree-complex.c (expand_complex_div_wide): Likewise.
20020 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
20021 * tree-tailcall.c (eliminate_tailcall): Likewise.
20022 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
20023 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
20024 * tree-nrv.c (tree_nrv): Likewise.
20025 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
20026 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
20027 (combine_blocks): Likewise.
20028 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
20029 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
20030 (cleanup_control_flow): Likewise.
20031 (remove_forwarder_block): Likewise.
20032 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
20033 * tree-sra.c (sra_replace): Likewise.
20034 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
20035 (forward_propagate_single_use_vars): Likewise.
20036 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
20037 * tree-inline.c (expand_call_inline): Likewise.
20038 * tree-vect-transform.c (vect_transform_loop): Likewise.
20039 * tree-outof-ssa.c (rewrite_trees): Likewise.
20040 * tree-cfg.c (make_goto_expr_edges): Likewise.
20041 (cleanup_dead_labels): Likewise.
20042 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
20043 (bsi_move_before, bsi_move_after): Likewise.
20044 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
20045 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
20047 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
20050 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
20052 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
20053 on non gimple variables. Also add checks at the top for decls and
20055 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
20057 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
20058 and IMAGPART_EXPR for creating MUST_DEFs.
20059 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
20060 and NAME_MEMORY_TAG separately from the DECLs.
20062 2006-01-06 Richard Guenther <rguenther@suse.de>
20064 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
20065 annotation, if necessary.
20066 * tree-ssa-pre.c (create_expression_by_pieces): Remove
20067 redundant calls to update_stmt.
20068 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
20071 2006-01-05 Richard Henderson <rth@redhat.com>
20073 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
20075 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20077 * c-typeck.c: Update copyright date.
20079 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20081 * c-typeck.c (build_c_cast): Always warn when casting
20082 from a pointer to an integer of different size, even if
20083 the node was constant.
20085 2006-01-05 Richard Guenther <rguenther@suse.de>
20087 PR tree-optimization/22555
20088 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
20089 if one structure field is an array.
20090 * tree-ssa-operands.c (get_expr_operands): Continue scanning
20091 operands even if we found a subvar, but ignore VOPs in this
20093 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
20095 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
20097 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
20099 PR middle-end/24998
20100 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
20102 2006-01-05 Richard Guenther <rguenther@suse.de>
20103 Diego Novillo <dnovillo@redhat.com>
20105 * tree-pass.h (TODO_remove_unused_locals): Define.
20106 * gimple-low.c (expand_var_p, remove_useless_vars,
20107 pass_remove_useless_vars): Remove. Update all users.
20108 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20109 (remove_unused_locals): New function.
20110 * tree-flow.h (remove_unused_locals): Declare.
20111 * passes.c (execute_todo): Call remove_unused_locals if
20112 TODO_remove_unused_locals is set.
20113 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20114 * tree-ssa-dce.c (pass_dce): Likewise.
20115 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20117 2006-01-05 Richard Guenther <rguenther@suse.de>
20119 * tree-flow.h (struct fieldoff): Decompose field to
20120 type, size and decl.
20121 * tree-ssa-alias.c (create_sft): Take type as parameter.
20122 (create_overlap_variables_for): Store type, size and decl
20123 in the fieldoff structure.
20124 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20125 of struct fieldoff.
20126 (push_fields_onto_fieldstack): Likewise.
20127 (create_variable_info_for): Likewise. Use offset for the
20128 SFT name if the decl is not available.
20130 2006-01-04 Paul Brook <paul@codesourcery.com>
20132 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20134 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20136 * lambda-code.c (can_put_in_inner_loop): Relax
20138 (can_put_after_inner_loop): New function.
20139 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20140 (perfect_nestify): Change to make copies and modify uses.
20142 2006-01-04 Richard Henderson <rth@redhat.com>
20144 Merge from gomp branch:
20145 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20146 via integer constant.
20147 (pragma_lex): Remove.
20148 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20149 rather than parsing it.
20150 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20151 handle_pragma_extern_prefix): Add %< %> quotes.
20152 (registered_pragmas): New.
20153 (c_register_pragma_1): New.
20154 (c_register_pragma): Use it.
20155 (c_register_pragma_with_expansion): Likewise.
20156 (c_invoke_pragma_handler): New.
20157 (init_pragma): Use cpp_register_deferred_pragma directly for
20159 * c-pragma.h (enum pragma_kind): New.
20160 (pragma_handler): New.
20161 (c_invoke_pragma_handler): Declare.
20162 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20164 * c-common.h (c_common_pch_pragma): Update decl.
20165 * Makefile.in (c-parser.o): Update dependencies.
20166 (GTFILES): Add c-pragma.h.
20167 * c-parser.c (struct c_token): Add pragma_kind.
20168 (struct c_parser): Add in_pragma.
20169 (c_lex_one_token): Always initialize keyword and pragma_kind.
20170 Extract data for CPP_PRAGMA.
20171 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20172 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20173 Don't allow CPP_PRAGMA_EOL if in_pragma.
20174 (c_parser_consume_pragma): New.
20175 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20176 (c_parser_skip_to_end_of_parameter): Likewise.
20177 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20178 (c_parser_skip_to_pragma_eol): New.
20179 (c_parser_external_declaration): Handle CPP_PRAGMA.
20180 (c_parser_compound_statement_nostart): Likewise.
20181 (c_parser_statement_after_labels): Likewise.
20182 (c_parser_pragma): New.
20183 (pragma_lex): Likewise.
20184 (c_parser_pragma_pch_preprocess): New.
20185 (c_parser_new): Merge into ...
20186 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20188 2006-01-04 Jeff Law <law@redhat.com>
20191 * tree-cfg.c (bsi_replace): Remove the original statement
20192 from the EH throw statement table.
20194 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20196 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20197 make the prototype extern "C" and add throw ().
20200 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20201 and pos non-negative and pos + len <= 32.
20202 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20203 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20204 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20207 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20208 as well as sizes not multiple of component size.
20211 * function.c (instantiate_expr): New function.
20212 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20213 walk its DECL_VALUE_EXPR with instantiate_expr.
20215 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20216 DW_OP_deref{,_size} if address isn't going to be added.
20218 2006-01-04 Ben Elliston <bje@au.ibm.com>
20220 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20221 * config/fp-bit.c: Likewise.
20223 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20225 * dominance.c: Add comment about why we use DFS numbering
20228 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20229 Richard Henderson <rth@redhat.com>
20231 Merge from gomp-branch:
20232 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20233 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20235 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20237 PR rtl-optimization/25578
20238 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20239 pass a parameter to simplify_shift_const if changing ASHIFTRT
20242 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20244 * builtins.c (get_builtin_sync_mem): New function.
20245 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20246 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20247 Call get_builtin_sync_mem to generate mem rtx.
20249 2006-01-03 Richard Guenther <rguenther@suse.de>
20252 * stmt.c (add_case_node): Make sure to clear overflow flags
20255 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20257 Merge from gomp-branch.
20258 * config/sparc/sync.md: New file.
20259 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20260 UNSPECV_LDSTUB): New constants.
20261 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20262 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20263 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20266 2006-01-03 Roger Sayle <roger@eyesopen.com>
20268 * combine.c (reg_subword_p): New predicate to test whether the
20269 destination of a set refers to a subword/piece of a register.
20270 (try_combine): Generalize the code to merge the setting of a
20271 pseudo to a constant followed by a set of a subword of that
20272 register to a constant.
20274 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20276 * basic-block.h (control_flow_graph): Change the type of
20277 x_label_to_block_map to VEC(basic_block,gc) *.
20278 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20279 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20281 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20282 VEC(basic_block,heap) *.
20283 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20284 ssa_prop_fini): Adjust the uses of cfg_blocks.
20286 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20288 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20290 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20291 hashing trees instead of a pointer hash.
20292 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20293 compare for MEM_EXPR.
20295 PR rtl-optimization/25130
20296 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20297 when comparing MEMs for GCSE
20299 2006-01-03 Ben Elliston <bje@au.ibm.com>
20301 * targhooks.h (default_decimal_float_supported_p): Declare.
20302 * targhooks.c (default_decimal_float_supported_p): Define.
20303 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20304 `default_decimal_float_supported_p'.
20305 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20307 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20309 * combine.c (apply_distributive_law <SUBREG>): Check
20310 TRULY_NOOP_TRUNCATION.
20312 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20314 * dwarf2out.c (have_switched_text_section): Delete.
20315 (have_multiple_function_sections): New.
20316 (have_location_lists): Make 'bool'.
20317 (add_AT_loc_list): Use 'true' not '1'.
20318 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20319 (output_loc_list): Use have_multiple_function_sections.
20320 (output_ranges): Likewise.
20321 (dwarf2out_begin_function): Set have_multiple_function_sections if
20323 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20324 Check function_section rather than DECL_SECTION_NAME.
20325 (dwarf2out_finish): Use have_multiple_function_sections.
20326 Don't clear have_location_lists.
20328 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20329 Jan Hubicka <jh@suse.cz>
20331 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20332 case of conditional jump jumping to the next instruction.
20333 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20334 cases of conditional jump jumping to the next instruction.
20336 2006-01-02 Jan Hubicka <jh@suse.cz>
20338 * i386.c (*_cost): Add COSTS_N_INSNS.
20339 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20341 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20344 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20346 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20348 * config/arm/arm.c (all_fpus): Fix comment typo.
20349 * config/darwin.c: Likewise.
20350 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20351 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20352 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20354 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20356 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20357 (rs6000_split_compare_and_swapqhi): New.
20358 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20359 (sync_compare_and_swapqhi_internal): New.
20360 * config/rs6000/rs6000-protos.h: Declare.