1 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
4 multiword accesses are in range.
6 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
8 PR tree-optimization/29921
9 * tree-ssa-ccp.c (canonicalize_float_value): New function.
10 (set_lattice_value): Use canonicalize_float_value.
12 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
14 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
15 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
16 (spu_cpu_cpp_builtins): Remove.
17 (spu_override_options): Don't set warn_main.
18 (spu_force_reg): Move from spu-c.c.
19 (spu_check_builtin_parm): Likewise.
20 (expand_builtin_args): Likewise.
21 (spu_expand_builtin_1): Likewise.
22 (spu_expand_builtin): Likewise.
23 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
24 warn_main and targetm.resolve_overloaded_builtin.
25 * config/spu/spu-c.c (spu_builtin_range): Remove.
26 (spu_check_builtin_parm): Remove.
27 (expand_builtin_args): Remove.
28 (spu_expand_builtin_1): Remove.
29 (spu_expand_builtin): Remove.
30 (spu_cpu_cpp_builtins): Moved from spu.c
31 (spu_force_reg): Remove.
33 2006-12-01 Joseph Myers <joseph@codesourcery.com>
34 David Edelsohn <edelsohn@gnu.org>
37 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
38 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
39 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
40 HARD_REGNO_NREGS_WITH_PADDING): Define.
41 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
42 HARD_REGNO_NREGS_WITH_PADDING): Define.
43 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
44 Use new macros to detect modes with holes; do not look at integer
46 (subreg_offset_representable_p): Check for and disallow cases
47 where the modes use different numbers of bits from registers.
48 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
49 constant for soft-float.
50 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
52 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
54 * config/rs6000/rs6000.md (movtf): Allow soft-float.
55 (movtf_softfloat): New.
57 2006-11-30 Richard Sandiford <richard@codesourcery.com>
59 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
62 2006-11-30 Andrew Macleod <amacleod@redhat.com>
64 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
65 (COALESCE_HASH_FN): New. Define hash function.
66 (partition_pair_map_hash): New. Hash value for a partition pair.
67 (partition_pair_map_eq): New. Equality for hash pairs.
68 (create_coalesce_list): Create hash table.
69 (delete_coalesce_list): Free hash table.
70 (find_partition_pair): Find/create pairs in hash table.
71 (compare_pairs): Sort pairs in ascending order now.
72 (num_coalesce_pairs): New. Number of pairs in hash table.
73 (struct partition_pair_iterator): Iterator struct for pair table.
74 (first_partition_pair): Iterator function for first pair.
75 (end_partition_pair_p): Iterator function for end of iteration.
76 (next_partition_pair): Iterator function for next pair.
77 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
78 (sort_coalesce_list): Sort pairs from hash table into an array.
79 (pop_best_coalesce): Take pairs from the array.
80 (dump_coalesce_list): Update to use hash table or sorted array.
81 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
82 (struct coalesce_list_d): Add hash table related fields.
84 2006-11-30 Jan Hubicka <jh@suse.cz>
87 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
88 memmove/bcopy->memcpy conversion.
90 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
92 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
93 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
94 Default is the largest alignment supported for 32-bit ELF and
95 representable on a 32-bit host.
97 2006-11-30 Janis Johnson <janis187@us.ibm.com>
99 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
101 2006-11-30 Jan Hubicka <jh@suse.cz>
103 * tree-ssa-operands.h (struct ssa_operands): New.
104 * tree-flow-inline.h (gimple_ssa_operands): New function.
105 * tree-flow.h: (struct gimple_df): Add ssa_operands.
106 * Makefile.in: Remove gt-tree-ssa-operands.h
107 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
108 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
109 operand_memory, operand_memory_index, ops_active): Remove statics.
110 (ALLOC_OPTYPE): Update.
111 (operand_build_sort_virtual): Update.
112 (ssa_operands_active): Update.
113 (init_ssa_operands): Update.
114 (fini_ssa_operands): Update.
115 (ssa_operand_alloc): Update.
116 (INITIALIZE_USE): Update.
117 (finalize_ssa_use_ops): Update.
118 (finalize_ssa_v_may_def_ops): Update.
119 (finalize_ssa_vuse_ops): Update.
120 (finalize_ssa_v_must_def_ops): Update.
122 2006-11-30 Richard Guenther <rguenther@suse.de>
124 * tree-vectorizer.h (vectorizable_function): Export.
125 * tree-vect-transform.c (vectorizable_function): Likewise.
126 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
127 type_in to scalar type in recognition of squaring.
128 Make sure the target can vectorize sqrt in recognition
129 of sqrt, set type_in to vector type in this case.
131 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
133 * config/i386/i386.md (R10_REG): New constant.
134 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
135 (ix86_emit_restore_regs_using_mov): Ditto.
136 (ix86_expand_call): Ditto.
137 (x86_output_mi_thunk): Ditto. Also use R10_REG.
139 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
141 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
142 * alias.c (canon_true_dependence): Update comment.
144 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
146 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
147 at the end of a diagnostics message.
149 * alloc-pool.c (pool_free): Postpone clearing the pool entry
150 until after asserting that it was allocated in the right pool.
152 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
153 successor edge information as well. Make output of live regs
154 on exit consistent with live regs on entry.
156 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
159 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
160 insn patterns for TARGET_80387.
161 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
162 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
163 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
164 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
165 Generate truncxf<mode>2 insn patterns for strict SSE math.
167 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
169 * config/i386/i386.md (movsf_1): Enable pattern for standard
170 80387 constants before reload when optimizing for size.
171 (*movdf_nointeger, *movdf_integer): Ditto.
172 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
173 80387 constants before reload when not optimizing for size.
175 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
176 extension of XFmode input operands.
178 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
180 * config/spu/crt0.c (__dso_handle): Define.
182 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
184 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
185 when clearing the used flags.
187 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
189 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
191 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
194 * config/spu/spu.md (extend_compare<mode>): New pattern.
195 (extend_compare): Change to expand and use the above pattern.
197 2006-11-29 Janis Johnson <janis187@us.ibm.com>
199 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
201 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
202 (DFP_INIT_ROUNDMODE): Define.
203 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
204 * mklibgcc.in: Fix dependencies for dfp-bit.c.
206 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
208 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
209 Update documentation.
210 (associate_line_notes_with_blocks): Kill.
211 (extend_bb): Remove basic block argument, put void instead.
212 Remove line number handling for each bb.
213 (save_line_notes): Kill.
214 (restore_line_notes): Kill.
215 (sched_init): Remove line_note_head initialization.
216 Change extend_bb call.
217 (sched_finish): Remove free of line_note_head.
218 (add_block): Change extend_bb call.
219 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
220 rm_line_notes and restore_line_notes calls.
221 (schedule_ebbs): Remove rm_redundant_line_notes.
222 * sched-int.h (struct haifa_insn_data): Remove line_note.
223 (save_line_notes): Remove declaration.
224 (restore_line_notes): Remove declaration.
225 * modulo-sched.c (loop_canon_p): Update debug info printing
226 by using insn locators instead of line note.
227 (sms_schedule): Update debug info printing, by using insn
228 locators instead of line note.
229 * sched-rgn.c (debug_dependencies): Remove handling of case
230 n>0 (line number), since it's a dead code.
231 (schedule_region): Remove save_line_notes and
232 restore_line_notes calls.
234 2006-11-29 Joseph Myers <joseph@codesourcery.com>
236 * config/rs6000/predicates.md (gpc_reg_operand): Check
238 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
239 SImode subregs of SPE vectors.
240 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
241 * jump.c (true_regnum): Require subregs to satisfy
242 subreg_offset_representable_p.
244 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
245 Steven Bosscher <stevenb.gcc@gmail.com>
247 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
248 since it no longer exists.
250 2006-11-29 Duncan Sands <baldrick@free.fr>
252 PR tree-optimization/23744
253 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
255 2006-11-29 Duncan Sands <baldrick@free.fr>
257 PR tree-optimization/23744
258 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
260 2006-11-29 Duncan Sands <baldrick@free.fr>
262 PR tree-optimization/23744
263 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
265 2006-11-29 Jie Zhang <jie.zhang@analog.com>
267 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
269 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
271 * sh.opt (minline-ic_invalidate): New option.
272 (musermode): Adjust comment.
273 * sh.c (sh_initialize_trampoline): Emit library call unless
274 is set; if it is set, don't emit library call if we can use icbi
276 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
277 icbi for TARGET_SH4_300.
278 * t-sh (LIB1ASMFUNCS_CACHE): Set.
279 * doc/invoke.texi: Document -minline-ic_invalidate; Update
280 -musermode documentation.
282 2006-11-29 Jim Tison <jtison@us.ibm.com>
284 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
285 __gthread_recursive_mutex_init): Define.
287 2006-11-29 Joseph Myers <joseph@codesourcery.com>
289 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
290 STRICT_ALIGNMENT and the type is more aligned than the saved
291 registers, copy via a temporary.
293 2006-11-28 Andrew Pinski <pinskia@gmail.com>
296 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
299 2006-11-28 Bob Wilson <bob.wilson@acm.org>
301 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
303 2006-11-28 Jan Hubicka <jh@suse.cz>
305 Privatize SSA variables into gimple_df.
307 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
308 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
309 gimple_nonlocal_all): New accessors.
310 (first_referenced_var): Update.
311 (mark_stmt_modified): Update.
312 (is_call_clobbered): Update.
313 (mark_call_clobbered): Update.
314 (clear_call_clobbered): Update.
315 (mark_non_addressable): Update.
316 * tree-vrp.c (get_value_range): Update.
317 * tree-into-ssa.c (in_ssa_p): Kill.
318 (get_default_def_for): Update.
319 (rewrite_into_ssa): Update.
320 * tree-complex.c (init_parameter_lattice_values): Update.
321 (update_complex_assignment): Update.
322 (update_parameter_components): Update.
323 (expand_complex_libcall): Update.
324 (expand_complex_operations_1): Update.
325 * tree-tailcall.c (arg_needs_copy_p): Update.
326 (add_virtual_phis): Update.
327 (tree_optimize_tail_calls_1): Update.
328 * tree-ssa-dse.c (memory_ssa_name_same): Update.
329 * tree-ssa-copyrename.c
330 (copy_rename_partition_coalesce): Update.
331 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
332 * tree-ssa-propagate.c (set_rhs): Update.
333 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
334 addressable_vars, global_var):Kill.
335 (set_initial_properties): Update.
336 (init_alias_info): Update.
337 (finalize_ref_all_pointers): Update.
338 (setup_pointers_and_addressables): Update.
339 (maybe_create_global_var): Update.
340 (create_global_var): Update.
341 (dump_points_to_info): Update.
342 * function.h (struct gimple_df): Forward declare.
343 (struct function): Add GIMPLE_DF field.
344 * gimplify.c (force_gimple_operand): Update.
345 * tree-dfa.c (referenced_vars, default_defs): KIll.
346 (make_rename_temp): Update.
347 (dump_variable): Update.
348 (referenced_var_lookup): Update.
349 (referenced_var_check_and_insert): Update.
350 (default_def): Rename to ...
351 (gimple_default_def): ... this one; accept cfun argument.
352 (set_default_def): Update.
353 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
354 (cleanup_control_flow): Update.
355 * tree-ssa-pre.c (compute_avail): Update
356 * tree-ssa-live.c (calculate_live_on_entry): Update.
357 * tree-ssa.c (verify_use): Update.
358 (verify_call_clobbering): Update.
359 (verify_call_clobbering): Update.
360 (init_tree_ssa): Update.
361 (delete_tree_ssa): Update.
362 * tree-outof-ssa.c (coalesce_ssa_name): Update.
363 (rewrite_out_of_ssa): Update.
364 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
365 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
367 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
368 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
369 addressable_vars, aliases_computed_p): Kill.
370 (default_def): Rename to...
371 (gimple_default_def): ... this one.
372 (defaule_def_fn): Kill.
373 (num_referenced_vars, ssa_names, num_ssa_names): Update.
374 * tree-ssa-structalias.c (nonlocal_all): Kill.
375 (get_constraint_exp_from_ssa_var): Update.
376 (create_nonlocal_var): Update.
377 (get_constraint_for): Update.
378 (update_alias_info): Update.
379 (find_global_initializers): Update.
380 (intra_create_variable_infos): Update.
381 (intra_create_variable_infos):
382 (find_what_p_points_to): Update.
383 (init_alias_heapvars): Update.
384 * tree-cfg.c (remove_bb): Update.
385 (gimplify_val): Update.
386 * tree-ssa-reassoc.c (get_rank): Update.
387 (init_reassoc): Update.
388 * tree-ssanames.c: Do not include gt-tree-ssanames.h
389 (ssa_names, free_ssanames): Kill.
390 (init_ssanames): Update.
391 (make_ssa_name): Update.
392 (release_ssa_name): Update.
393 (release_defs): Update.
394 (replace_ssa_name_symbol): Update.
395 * tree-ssa-operands.c (access_can_touch_variable): Update.
396 (add_virtual_operand): Update.
397 (add_call_clobber_ops): Update.
398 (add_call_read_ops): Update.
399 (get_call_expr_operands): Update.
400 (get_asm_expr_operands): Update.
402 2006-11-28 Jan Hubicka <jh@suse.cz>
404 * builtins.c: Include tree-flow.h.
405 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
406 assignment; convert memmove to memcpy for sizes greater than 1 where
407 alignment of operands prohibit the partial overlap.
409 2006-11-28 Jan Hubicka <jh@suse.cz>
411 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
412 * cgraph.c (dump_cgraph_node): Dump stack usage.
413 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
414 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
415 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
416 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
417 (cgraph_check_inline_limits): Limit stack growth.
418 * cfgexpand.c: Include tree-inline.h.
419 (account_stack_vars): New function.
420 (expand_one_var): New param to just account the stack; return estimated
422 (expand_used_vars_for_block): Update call of expand_one_var.
423 (account_used_vars_for_block): New function.
424 (estimated_stack_frame_size): Likewise.
425 (init_vars_expansion, fini_vars_expansion): Break out from..
426 (expand_used_vars): ... here.
427 * tree-inline.h (estimated_stack_frame_size): Declare.
428 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
430 2006-11-28 Richard Guenther <rguenther@suse.de>
432 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
433 unsigned long for printing OBJECT_SIZE.
435 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
437 * alias.c (init_alias_analysis): Remove simplification loop
438 after propagating pointers.
440 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
442 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
445 2006-11-27 Bob Wilson <bob.wilson@acm.org>
447 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
449 2006-11-27 Roger Sayle <roger@eyesopen.com>
450 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
452 * c-common.c (constant_fits_type_p): Delete.
453 (unsigned_conversion_warning): Delete.
454 (conversion_warning): Integrate Wconversion warning from
455 unsigned_conversion_warning.
456 (convert_and_check): Integrate Woverflow warning from
457 unsigned_conversion_warning. Reorganize and simplify to avoid
458 dependence upon the middle-end setting TREE_OVERFLOW on integral
459 conversions, by using int_fits_type_p directly.
461 2006-11-27 Tobias Burnus <burnus@net-b.de>
463 * doc/invoke.texi: Fixed typo.
465 2006-11-27 Michael Matz <matz@suse.de>
466 Andreas Krebbel <krebbel1@de.ibm.com>
469 * config/s390/predicates.md (larl_operand): Check addend of larl
470 operand to be in range of -/+2GB.
471 * config/s390/s390.c (legitimize_pic_address): Likewise.
472 Changed type of variable even to HOST_WIDE_INT.
474 2006-11-27 Jan Hubicka <jh@suse.cz>
476 * expr.c (emit_block_move_via_libcall): Export.
477 (clear_storage_via_libcall): Rename to ...
478 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
479 (clear_storage): Update to set_storage_via_libcall.
480 * expr.h (emit_block_move_via_libcall): Declare
481 * config/i386/i386.h (stringop_alg): New enum.
482 (MAX_STRINGOP_ALGS): New constant.
483 (stringop_algs): New struct.
484 (processor_costs): Add memcpy/memset descriptors.
485 (TARGET_REP_MOVEL_OPTIMAL): Remove.
486 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
487 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
489 * config/i386/i386.opt (minline-stringops-dynamically,
490 mstringop-strategy): New
492 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
493 (ix86_expand-clrmem): Rename to ...
494 (ix86_expand_setmem): ... this one; update prototype.
495 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
496 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
497 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
498 nocona_cost, core2_cost, generic_cost, generic64_cost,
499 generic32_cost): Add memcpy/memset descriptors.
500 (x86_rep_movl_optimal): Remove.
501 (stringop_alg): New static variable.
502 (ix86_expand_aligntest): Handle predictions.
503 (override_options): Add strgop_alg handling.
504 (predict_jump): New function.
505 (scale_counter): New function.
506 (expand_set_or_movmem_via_loop): New function.
507 (expand_movmem_via_rep_mov): New function.
508 (expand_setmem_via_rep_stots): New function.
509 (emit_strmov): New function.
510 (expand_movmem_epilogue): New function.
511 (expand_setmem_epilogue_via_loop): New function.
512 (expand_setmem_epilogue): New function.
513 (expand_movmem_prologue): New function.
514 (expand_setmem_prologue): New function.
515 (decide_alg): New function.
516 (decide_alignment): New function.
517 (ix86_exand_movmem): Rewrite.
518 (promote_duplicated_reg): New function.
519 (ix86_expand_clrmem): Rename to ...
520 (ix86_expand_setmem): ... this one. Rewrite.
522 * invoke.texi (minline-stringops-dynamically): New command line option.
523 (mstringop-strategy): Likewise.
525 2006-11-27 Jan Hubicka <jh@suse.cz>
527 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
528 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
529 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
530 * insn-notes.def (FUNCTION_END): Remove.
531 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
532 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
534 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
535 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
536 * cfglayout.c (duplicate_insn_chain): Don't worry about
539 2006-11-27 Richard Guenther <rguenther@suse.de>
540 Zdenek Dvorak <dvorakz@suse.cz>
542 * target.h (struct gcc_target): Add builtin_vectorized_function
544 * target-def.h (TARGET_VECTORIZE): Likewise.
545 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
546 Document new target hook.
547 * targhooks.h (default_builtin_vectorized_function): Declare.
548 * targhooks.c (default_builtin_vectorized_function): Define.
549 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
550 (vectorizable_call): Declare.
551 * tree-vect-analyze.c (vect_analyze_operations): Call
553 * tree-vect-transform.c (vectorizable_function): New static function.
554 (build_vectorized_function_call): Likewise.
555 (vectorizable_call): New function.
556 (vect_transform_stmt): Handle vectorizable calls.
558 2006-11-27 Richard Guenther <rguenther@suse.de>
561 * builtins.c (expand_builtin_pow): Optimize non integer valued
562 constant exponents using sqrt or cbrt if possible. Always fall back
563 to expanding via optabs.
565 2006-11-27 Ira Rosen <irar@il.ibm.com>
567 PR tree-optimization/22372
568 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
569 the type of the base address.
570 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
571 it in the data-ref pointer creation.
572 (vect_init_vector): Add an argument, type of the init vector. Use it in
574 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
575 (get_initial_def_for_reduction): Likewise.
576 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
578 (vectorizable_assignment, vect_permute_store_chain): Likewise.
579 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
580 correct type in stmt creation.
581 (vect_setup_realignment): Use the correct type in stmt creation.
582 (vect_permute_load_chain): Change type of MODIFY_EXPR to
584 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
585 of MODIFY_EXPR to void_type_node.
586 (vectorizable_condition): Change type of MODIFY_EXPR to
588 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
591 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
594 2006-05-08 Uros Bizjak <uros@kss-loka.si>
595 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
596 standard 80387 constants, raise the cost to prevent
597 compress_float_constant() to generate load from memory.
599 * config/i386/i386.md: Add new splitter pattern to split
600 float_extended load of constant from constant pool into
603 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
605 * doc/install.texi: Move GMP/MPFR configure options from Fortran
606 section to general section. Remove documentation for
607 --with-mpfr-dir and --with-gmp-dir, add documentation for
608 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
611 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
613 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
615 * testsuite/gcc.dg/ipa/ipa-6.c: New.
617 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
619 PR tree-optimization/29122
620 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
621 for the new version. Assign NULL to DECL_RTL of the new version.
623 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
625 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
627 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
629 * cse.c (cse_altered): Remove.
630 (record_jump_equiv): Make true/false argument a bool instead
632 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
633 where appropriate. Emit a new jump before the existing one
634 instead of after so that delete_insn_and_edges removes the
635 dead edges properly. Check any_condjump_p before calling
637 (cse_basic_block): Check any_condjump_p before calling
639 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
641 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
643 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
644 -ffixed-line-length-* options.
646 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
648 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
649 (fprem1xf4): Rename to fprem1xf4_i387.
651 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
652 Rename patterns to fmod<mode>3. Use general_operand operand
653 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
654 patterns for SSE math.
655 (remaindersf3, remainderdf3): Ditto.
657 2006-11-25 Joseph Myers <joseph@codesourcery.com>
659 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
660 inside start_sequence / end_sequence pair.
662 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
664 * jump.c (mark_all_labels): Work in cfglayout mode.
665 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
666 when in cfglayout mode, because there are no dead jumptables
668 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
670 (commit_edge_insertions): Do not allow insertion of instructions
671 with control flow insns when in cfglayout mode.
673 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
675 * tree-vrp.c (execute_vrp): Do not pass loops structure through
677 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
678 unswitch_loop): Ditto.
679 * tree-loop-linear.c (linear_transform_loops): Ditto.
680 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
681 tree_ssa_lim): Ditto.
682 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
683 free_numbers_of_iterations_estimates): Ditto.
684 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
685 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
686 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
687 remove_path, add_loop, loopify, unloop, fix_loop_placements,
688 place_new_loop, duplicate_loop, duplicate_subloops,
689 update_single_exit_for_duplicated_loops, copy_loops_to,
690 duplicate_loop_to_header_edge, create_preheaders,
691 force_single_succ_latches, loop_version, fix_loop_structure):
693 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
694 tree_unroll_loop): Ditto.
695 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
696 * tree-scalar-evolution.c (select_loops_exit_conditions,
697 scev_initialize, scev_analysis): Ditto.
698 * tree-scalar-evolution.h (scev_initialize): Ditto.
699 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
700 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
701 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
702 * modulo-sched.c (sms_schedule): Ditto.
703 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
704 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
705 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
706 * ifcvt.c (if_convert): Ditto.
707 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
708 canonicalize_loop_induction_variables,
709 canonicalize_induction_variables,
710 tree_unroll_loops_completely, remove_empty_loops): Ditto.
711 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
712 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
713 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
714 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
715 tree_ssa_loop_done): Ditto.
716 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
717 estimate_bb_frequencies): Ditto.
718 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
719 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
720 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
721 decide_unrolling_and_peeling, peel_loop_completely,
722 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
723 peel_loop_simple, unroll_loop_stupid): Ditto.
724 * loop-doloop.c (doloop_optimize_loops): Ditto.
725 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
726 * loop-invariant.c (move_loop_invariants): Ditto.
727 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
728 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
729 tree_ssa_prefetch_arrays): Ditto.
730 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
732 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
733 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
734 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
735 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
736 verify_loop_structure): Ditto.
737 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
738 canonicalize_induction_variables, tree_unroll_loops_completely,
739 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
740 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
741 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
742 tree_unroll_loop, linear_transform_loops): Declaration changed.
743 * basic-block.h: Remove declaration of struct loops.
744 * cfghooks.h (struct cfg_hooks): Change type of
745 cfg_hook_duplicate_loop_to_header_edge.
746 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
747 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
748 vect_transform_loop): Declaration changed.
749 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
750 * cfgloop.h (flow_loops_dump, fix_loop_structure,
751 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
752 cancel_loop_tree, create_preheaders, force_single_succ_latches,
753 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
754 loopify, loop_version, remove_path, unswitch_loops,
755 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
758 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
760 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
761 (X87MODEF): New mode macro.
762 (ssemodefsuffix): New mode attribute.
763 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
764 (sqrt_extend<mode>xf2_i387): New insn pattern.
765 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
766 insn and truncate result back to original mode using
767 UNSPEC_TRUNC_NOOP truncation.
768 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
769 ssemodefsuffix mode attribute.
770 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
771 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
772 (*sqrtextenddfxf2_i387): Remove insn patterns.
774 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
777 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
779 2006-11-24 Jakub Jelinek <jakub@redhat.com>
782 * c-tree.h (c_maybe_initialize_eh): New prototype.
783 * c-decl.c (finish_decl): Move EH initialization...
784 (c_maybe_initialize_eh): ... here. New function.
785 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
786 if not #pragma omp atomic.
789 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
790 or UNION_TYPE inner types.
792 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
795 * ipa-pure-const.c (check_tree): If the original tree
796 is volatile return early and say the function is not pure
797 nor const. Remove the volatile check for writes.
798 (analyze_function): Print out the result of the local
801 2006-11-24 Joseph Myers <joseph@codesourcery.com>
803 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
805 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
806 * config/rs6000/rs6000.c (rs6000_override_options): Use
807 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
810 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
812 * config/s390.c (s390_emit_compare_and_swap): New function.
813 (s390_expand_cs_hqi, s390_expand_atomic): Call
814 s390_emit_compare_and_swap.
816 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
818 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
820 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
824 * c-common.c (conversion_warning): New.
825 (convert_and_check): Call conversion_warning unless there is an
827 * doc/invoke.texi (-Wconversion): Update description.
829 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
831 * tree-ssa-alias.c (tree_pointer_compare): New function.
832 (compact_name_tags): New function.
833 (group_aliases): Call compact_name_tags.
835 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
837 * real.h (real_isinteger): Declare.
838 * real.c (real_isinteger): Define.
839 * builtins.c (integer_valued_real_p): Use it.
841 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
844 * c.opt (Wtraditional-conversion): New.
845 (Wconversion): Update description.
846 * c-typeck.c (convert_arguments): Warnings for prototypes causing
847 type conversions different from what would happen in the absence
848 of prototype are now handled by Wtraditional-conversion.
849 * doc/invoke.texi (Wtraditional-conversion): New.
850 (Wconversion): Update description.
851 * doc/trouble.texi (Wconversion): Replace Wconversion by
852 Wtraditional-conversion.
854 2006-11-23 Andrew Pinski <pinskia@gmail.com>
856 * predict.c (tree_estimate_probability): Check to make
857 sure current_loops is non null before calling flow_loops_dump.
859 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
861 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
863 2006-11-23 David Ung <davidu@mips.com>
865 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
867 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
868 (ASM_SPEC): Pass along -mfp32 and -mfp64.
869 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
870 high part of FP register when in 64-bit FP register mode. Similarly
871 use gen_mfhc1 to load high part of FP register.
872 (override_options): Allow -mgp32 and -mfp64 combination if
873 ISA_HAS_MXHC1 (currently for O32 only).
874 (mips_cannot_change_mode_class): If floating-point registers are
875 bigger than word size. disallow conversion of float register from a
876 large integer mode to a float mode smaller than the float register
878 (mips_class_max_nregs): Handle float registers case seperately.
879 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
881 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
882 (movdf_hardfloat_32bit): Similarly.
883 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
884 support a full 64-bit fpu.
885 (mthc1): New pattern to generate MTHC1 instruction.
886 (mfhc1): New pattern to generate MFHC1 instruction.
887 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
888 option for the MIPS32R2 and mention its use under O32 ABI.
890 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
892 * var-tracking.c (emit_note_insn_var_location): Take care not to
893 cause verify_flow_info failures.
895 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
897 * tree-ssa-structalias.c: Remove edge weights in favor of just
898 processing them as complex constraints.
899 (struct constraint_graph): Remove weighted succs and preds. Rename
900 nonweighted succs and preds.
901 (constraint_edge): Removed.
902 (constraint_edge_t): Ditto.
903 (constraint_edge_pool): Ditto.
904 (new_constraint_edge): Ditto.
905 (constraint_edge_equal): Ditto.
906 (constraint_edge_less): Ditto.
907 (constraint_edge_vec_find): Ditto.
908 (erase_self_graph_edge): Ditto.
909 (add_graph_edge): Removed.
910 (get_graph_weights): Ditto.
911 (allocate_graph_weights): Ditto.
912 (valid_weighted_graph_edge): Ditto
913 (bitmap_other_than_zero_bit_set): Ditto.
914 (int_add_graph_edge): Renamed to add_graph_edge.
915 (clear_edges_for_node): Remove support for weighted edges.
916 (merge_graph_nodes): Ditto.
917 (valid_graph_edge): Ditto.
918 (build_constraint_graph): Ditto.
920 (collapse_nodes): Ditto.
921 (process_unification_queue): Ditto.
923 (do_ds_constraint): Ditto.
924 (perform_var_subsitution): Ditto.
925 (solve_graph): Ditto.
926 (init_alias_vars): Ditto.
927 (delete_points_to_sets): Ditto.
928 (do_complex_constraint): Support offsetted copies here.
930 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
932 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
934 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
936 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
939 2006-11-23 Ben Elliston <bje@au.ibm.com>
941 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
943 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
945 PR tree-optimization/29921
946 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
947 signed and unsigned zero equal.
949 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
951 * config/rs6000/rs6000.c (get_store_dest): New.
952 (adjacent_mem_locations): Use get_store_dest() to get
953 the rtl of the store destination.
955 2006-11-22 Joseph Myers <joseph@codesourcery.com>
957 * config/rs6000/spe.md (SPE64): New mode macro.
958 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
960 (mov_si<mode>_e500_subreg0_2): New.
961 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
963 (mov_si<mode>_e500_subreg4_2): New.
964 * config/rs6000/predicates.md (input_operand): Do not allow
965 invalid E500 subregs.
966 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
968 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
969 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
970 involving vector modes if TARGET_SPE.
972 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
975 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
976 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
978 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
980 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
981 mem_i_address_operand): New predicates.
982 * config/bfin/bfin.c (bfin_issue_rate): New function.
983 (TARGET_SCHED_ISSUE_RATE): New macro.
984 * config/bfin/bfin.md (addrtype): New attribute.
985 (slot0, slot1, slot2, store, pregs): New cpu_units.
986 (core): Now a define_reservation.
987 (alu): Remove some insn types from this reservation.
988 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
990 (dummy reservation): Don't trigger for mcld insns.
991 (absence_sets): Two new absence sets to enforce slot ordering.
992 (popsi_insn): Set addrtype.
994 2006-11-22 Ira Rosen <irar@il.ibm.com>
996 * doc/c-tree.texi: Document new tree codes.
997 * doc/md.texi: Document new optabs.
998 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
1000 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
1001 * optabs.h (optab_index): Add new.
1002 (vec_extract_even_optab, vec_extract_odd_optab,
1003 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
1004 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1005 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1007 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1008 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1009 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1010 along with macros for their access.
1011 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1013 * tree-vect-analyze.c (toplev.h): Include.
1014 (vect_determine_vectorization_factor): Fix indentation.
1015 (vect_insert_into_interleaving_chain,
1016 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1017 (vect_analyze_data_ref_dependence): Add argument for interleaving
1018 check. Check for interleaving if it's true.
1019 (vect_check_dependences): New function.
1020 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1021 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1022 (vect_update_misalignment_for_peel): Update for interleaving.
1023 (vect_verify_datarefs_alignment): Check only first data-ref for
1025 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1026 only first data-ref for interleaving.
1027 (vect_analyze_data_ref_access): Check interleaving, update
1029 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1030 with different parameters.
1031 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1032 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1033 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1034 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1035 Update step in case of interleaving.
1036 (vect_strided_store_supported, vect_permute_store_chain): New
1038 (vectorizable_store): Handle strided stores.
1039 (vect_strided_load_supported, vect_permute_load_chain,
1040 vect_transform_strided_load): New functions.
1041 (vectorizable_load): Handle strided loads.
1042 (vect_transform_stmt): Add argument. Handle strided stores. Check
1043 that vectorized stmt exists for patterns.
1044 (vect_gen_niters_for_prolog_loop): Update calculation for
1046 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1047 whole chain vectorization.
1048 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1049 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1050 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1051 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1052 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1054 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1056 * cse.c (enum taken): Remove PATH_AROUND.
1057 (addr_affects_sp_p, invalidate_skipped_set,
1058 invalidate_skipped_block): Remove.
1059 (cse_end_of_basic_block): Remove skip_blocks and related code.
1060 (cse_main): Don't test for flag_cse_skip_blocks.
1061 Update cse_end_of_basic_block call.
1062 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1063 code to lengthen the path if a jump was simplified.
1065 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1067 PR rtl-optimization/29924
1068 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1069 (unroll_loop_runtime_iterations): Assert that the argument passed to
1070 split_edge_and_insert is not NULL.
1071 * loop-doloop.c (add_test): Ditto.
1073 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1075 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1077 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1078 * cfgloopmanip.c (update_single_exits_after_duplication,
1079 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1080 * tree-scalar-evolution.c (get_loop_exit_condition,
1081 get_exit_conditions_rec, loop_closed_phi_def,
1082 number_of_iterations_in_loop, scev_const_prop): Ditto.
1083 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1084 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1086 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1088 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1089 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1090 slpeel_make_loop_iterate_ntimes,
1091 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1092 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1094 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1095 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1096 vect_analyze_loop_form): Ditto.
1097 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1098 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1099 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1100 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1101 vect_transform_loop): Ditto.
1102 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1103 (single_exit, set_single_exit): New functions.
1104 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1105 (single_exit, set_single_exit): Declare.
1106 * doc/loop.texi: Undocument single_exit field. Document single_exit
1109 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1111 PR tree-optimization/29902
1112 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1113 any involved ssa name appears in abnormal phi node.
1115 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1117 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1118 (xtensa_const_ok_for_letter_p): Delete.
1119 (xtensa_extra_constraint): Delete.
1120 (override_options): Delete xtensa_char_to_class initialization.
1121 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1122 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1123 (EXTRA_CONSTRAINT): Delete.
1124 * config/xtensa/xtensa.md: Include constraints.md.
1125 (call_internal): Combine alternatives.
1126 (call_value_internal): Likewise, and remove invalid constraints.
1127 * config/xtensa/constraints.md: New file.
1128 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1129 (xtensa_extra_constraint): Delete.
1130 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1133 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1135 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1136 of conversion that doesn't fit.
1138 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1139 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1140 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1142 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1144 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1146 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1148 2006-11-21 Richard Guenther <rguenther@suse.de>
1150 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1151 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1152 vect_recog_pow_pattern.
1153 (vect_recog_pow_pattern): New function.
1155 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1157 * config/bfin/bfin.opt (mstack-check-l1): New.
1158 * doc/invoke.texi (Blackfin Options): Document it.
1159 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1160 stack bounds in L1 memory if the new option is enabled.
1161 (override_options): Don't allow combinations of -fstack-limit and
1163 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1166 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1168 (bfin_register_move_cost): Bump costs if trying to move plain
1169 integer values through accumulators.
1171 2006-11-21 Ben Elliston <bje@au.ibm.com>
1173 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1175 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1176 Russell Olsen <Russell_Olsen@playstation.sony.com>
1177 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1178 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1179 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1180 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1181 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1183 * config.gcc: Add target for SPU.
1184 * config/spu/constraints.md: New file.
1185 * config/spu/crt0.c: New file.
1186 * config/spu/crtend.c: New file.
1187 * config/spu/crti.asm: New file.
1188 * config/spu/crtn.asm: New file.
1189 * config/spu/float_unsdidf.c: New file.
1190 * config/spu/float_unssidf.c: New file.
1191 * config/spu/predicates.md: New file.
1192 * config/spu/spu-builtins.def: New file.
1193 * config/spu/spu-builtins.h: New file.
1194 * config/spu/spu-builtins.md: New file.
1195 * config/spu/spu-c.c: New file.
1196 * config/spu/spu-elf.h: New file.
1197 * config/spu/spu-modes.def: New file.
1198 * config/spu/spu-protos.h: New file.
1199 * config/spu/spu.c: New file.
1200 * config/spu/spu.h: New file.
1201 * config/spu/spu.md: New file.
1202 * config/spu/spu.opt: New file.
1203 * config/spu/spu_internals.h: New file.
1204 * config/spu/spu_intrinsics.h: New file.
1205 * config/spu/spu_mfcio.h: New file.
1206 * config/spu/t-spu-elf: New file.
1207 * config/spu/vec_types.h: New file.
1208 * config/spu/vmx2spu.h: New file.
1209 * doc/contrib.texi: Document SPU contributor.
1210 * doc/extend.texi: Document SPU extensions.
1211 * doc/invoke.texi: Document SPU options.
1212 * doc/md.texi: Document SPU constraints.
1214 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1216 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1218 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1220 (flow_loop_dump): Do not dump loop level.
1221 (flow_loops_find): Do not call flow_loops_level_compute.
1222 * cfgloop.h (struct loop): Remove level field.
1224 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1226 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1227 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1228 Use vector of edges instead of array.
1229 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1230 estimate_numbers_of_iterations_loop): Ditto.
1231 * predict.c (predict_loops): Ditto.
1232 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1233 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1235 * basic-block.h: Declare heap allocation for edge vectors.
1236 * tree-outof-ssa.c: Ditto.
1237 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1238 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1240 2006-11-20 Zack Weinberg <zackw@panix.com>
1242 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1243 Add another out parameter, "skip".
1244 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1245 is tagged "skip", do not mark its type used.
1247 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1250 * tree-sra.c (single_scalar_field_in_record_p): New function.
1251 (decide_block_copy): Use it.
1253 2006-11-20 David Daney <ddaney@avtrex.com>
1255 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1256 PC to point to following instruction.
1258 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1262 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1264 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1266 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1268 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1269 Add sh/superh.h to tm_file.
1271 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1272 Mark Mitchell <mark@codesourcery.com>
1274 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1276 (cpp_relocated): New function.
1277 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1279 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1280 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1281 replace configured prefix with gcc_exec_prefix.
1283 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1285 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1286 bfin_legitimate_constant_p.
1287 * config/bfin/bfin.md (movsi expander): Check return value of
1289 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1290 (expand_move): Adjust prototype.
1291 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1292 invalid constants specially.
1293 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1295 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1297 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1298 sibcall_value_symbol): Allow these patterns if
1299 TARGET_LEAF_ID_SHARED_LIBRARY.
1300 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1301 (override_options): Turn on id shared library flags if -msep-data,
1302 but disallow the combination of these options on the command line.
1303 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1304 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1305 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1306 -mid-shared-library.
1307 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1308 * doc/invoke.texi (Blackfin Options): Document new switches.
1310 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1311 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1313 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1314 inflate costs for addresses with an out-of-bounds address.
1316 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1319 * fwprop.c (loops): Remove.
1320 (forward_propagate_into): Use current_loops instead of
1322 (fwprop_init): Call loop_optimizer_init instead of
1324 (fwprop_done): Call loop_optimizer_finalize instead of
1326 (fwprop): Use current_loops instead of loops.
1328 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1331 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1333 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1336 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1337 larger than BITS_PER_WORD.
1339 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1343 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1344 to MAX_FIXED_MODE_SIZE.
1346 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1348 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1349 (fold_builtin_fmin_fmax): New.
1350 (fold_builtin_1): Use it.
1352 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1354 2006-11-18 Richard Guenther <rguenther@suse.de>
1356 * config/i386/i386.c (ix86_builtins): New array for ix86
1357 builtin function decls.
1358 (def_builtin): New function.
1359 (def_builtin_const): Likewise.
1360 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1362 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1364 * doc/invoke.texi (core2): Add item.
1366 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1368 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1369 (TARGET_CPU_DEFAULT_generic): Change value.
1370 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1371 (processor_type): Add new constant PROCESSOR_CORE2.
1373 * config/i386/i386.md (cpu): Add core2.
1375 * config/i386/i386.c (core2_cost): New initialized variable.
1376 (m_CORE2): New macro.
1377 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1378 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1379 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1380 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1381 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1382 x86_accumulate_outgoing_args, x86_prologue_using_move,
1383 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1384 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1385 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1386 x86_pad_returns): Add m_CORE2.
1387 (override_options): Add entries for Core2.
1388 (ix86_issue_rate): Add case for Core2.
1390 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1392 * doc/invoke.texi: Fix mno-isel typo.
1394 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1396 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1397 easy vector constant loads.
1399 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1401 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1402 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1403 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1404 * config/rs6000/sync.md (lwsync): Emit plain sync if
1407 2006-11-17 DJ Delorie <dj@redhat.com>
1409 * reload1.c (reloads_unique_chain): New.
1410 (reloads_conflict): Call it.
1412 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1414 * config/xtensa/predicates.md (addsubx_operand): New.
1415 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1416 (xtensa_emit_bit_branch): New.
1417 (xtensa_emit_movcc): New.
1418 * config/xtensa/xtensa.md (any_minmax): New code macro.
1419 (minmax): New code attribute.
1420 (any_cond, any_scc, any_scc_sf): New code macros.
1421 (*addx2, *addx4, *addx8): Delete.
1423 (*subx2, *subx4, *subx8): Delete.
1425 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1426 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1427 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1428 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1429 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1430 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1431 (movsfcc_internal0, movsfcc_internal1): Likewise.
1432 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1433 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1434 (xtensa_emit_bit_branch): New.
1435 (xtensa_emit_movcc): New.
1436 (function_arg_boundary): Add missing prototype.
1438 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1440 * config/xtensa/xtensa.md (tstsi): Delete
1442 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1444 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1446 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1448 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1450 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1452 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1454 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1456 * tree-vrp.c (execute_vrp): Do not update current_loops.
1457 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1458 * doc/loop.texi: Remove documentation for cancelled functions.
1459 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1460 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1462 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1463 (remove_path): Ensure that in delete_basic_blocks, the loops
1464 are still allocated.
1465 (add_loop): Work on valid loop structures.
1466 (loopify): Modify call of add_loop.
1467 (mfb_update_loops): Removed.
1468 (create_preheader): Do not update loops explicitly.
1469 (force_single_succ_latches, loop_version): Do not use
1470 loop_split_edge_with.
1471 (loop_split_edge_with): Removed.
1472 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1473 Do not use bsi_insert_on_edge_immediate_loop.
1474 (split_loop_exit_edge, tree_unroll_loop): Do not use
1475 loop_split_edge_with.
1476 (bsi_insert_on_edge_immediate_loop): Removed.
1477 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1478 use loop_split_edge_with.
1479 * cfghooks.c: Include cfgloop.h.
1480 (verify_flow_info): Verify that loop_father is filled iff current_loops
1482 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1483 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1485 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1487 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1488 loop_split_edge_with.
1489 (sms_schedule): Use current_loops.
1490 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1491 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1493 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1494 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1495 * ifcvt.c (if_convert): Ditto.
1496 * predict.c (predict_loops): Do not clear current_loops.
1497 (tree_estimate_probability): Use current_loops.
1498 (propagate_freq): Receive head of the region to propagate instead of
1500 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1501 (estimate_loops): New function. Handle case current_loops == NULL.
1502 (estimate_bb_frequencies): Do not allocate tovisit. Use
1504 * tree-ssa-loop.c (current_loops): Removed.
1505 (tree_loop_optimizer_init): Do not return loops.
1506 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1507 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1508 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1509 Do not update loops explicitly.
1510 * function.h (struct function): Add x_current_loops field.
1511 (current_loops): New macro.
1512 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1513 * loop-unroll.c (split_edge_and_insert): New function.
1514 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1515 use loop_split_edge_with.
1516 * loop-doloop.c (add_test, doloop_modify): Ditto.
1517 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1518 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1519 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1520 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1522 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1523 (flow_loops_free): Do not free dfs_order and rc_order.
1524 (flow_loops_find): Do not set dfs_order and rc_order in loops
1525 structure. Do not call loops and flow info verification.
1526 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1527 already belongs to some loop.
1528 * cfgloop.h (struct loops): Remove struct cfg.
1529 (current_loops, loop_split_edge_with): Declaration removed.
1530 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1531 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1532 Declaration removed.
1533 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1534 * basic-block.h (split_edge_and_insert): Declare.
1535 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1537 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1539 PR tree-optimization/29801
1540 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1541 (get_default_value): Use get_symbol_constant_value.
1542 (set_lattice_value): ICE when the value of the constant is
1544 (visit_assignment): Ignore VDEFs of read-only variables.
1546 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1548 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1550 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1551 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1553 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1555 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1556 select subvars of var.
1558 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1561 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1562 optimize if DEF doesn't have integral type.
1564 2006-11-16 Mike Stump <mrs@apple.com>
1566 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1567 pre-darwin9 system, unless the user asks for it directly.
1568 (PREFERRED_DEBUGGING_TYPE): Likewise.
1569 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1570 * config.gcc: Add suppport for darwin9.h.
1571 * config/darwin9.h: Add.
1572 * doc/install.texi (Specific): Clarify darwin documentation.
1574 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1576 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1577 optimizing for size.
1579 2006-11-16 Mike Stump <mrs@apple.com>
1581 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1583 2006-11-16 Dirk Mueller <dmueller@suse.de>
1585 * tree-vrp.c (get_value_range): Use XCNEW instead
1587 (insert_range_assertions): Use XCNEWVEC instead
1588 of XNEWVEC and memset.
1589 (vrp_initialize): Same.
1590 (vrp_finalize): Same.
1591 * tree-ssa-ccp.c (ccp_initialize): Same.
1592 * predict.c (tree_bb_level_predictions): Same.
1593 * calls.c (expand_call): Same.
1594 * tree-ssa-copy.c (init_copy_prop): Same.
1595 (fini_copy_prop): Same.
1596 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1597 of GGC_NEW and memset.
1599 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1602 * gimplify.c (gimplify_expr): Only force a load for references to
1603 non-BLKmode volatile values.
1604 * doc/implement-c.texi (Qualifiers implementation): Document the
1605 interpretation of what a volatile access is.
1606 * doc/extend.texi (C++ Extensions): Rework same documentation.
1608 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1610 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1613 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1615 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1617 (arm_neg_abssi2): Renamed from neg_abssi2.
1618 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1620 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1622 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1623 number of arguments passed to local functions in SSE registers is 3.
1625 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1626 number of arguments passed in SSE registers to 3.
1628 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1631 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1633 (get_last_bb_insn): ... new global function.
1634 (basic_block.h): Declare it.
1635 * haifa-sched.c (create_recovery_block): Use it.
1637 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1640 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1642 2006-11-15 Paul Brook <paul@codesourcery.com>
1644 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1645 _Unwind_GetTextRelBase): Move from here ...
1646 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1647 _Unwind_GetTextRelBase): ... To here.
1649 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1651 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1652 addresses we generate for testing are aligned.
1654 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1657 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1658 to what is the const decl is a place holder for.
1660 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1662 * config/i386/i386.opt: New target option -mx87regparm.
1664 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1665 and float_in_x87 variables. mmx_words, sse_words: Remove.
1666 (X87_REGPARM_MAX): Define.
1668 * config/i386/i386.c (override_options): Error out for
1669 -mx87regparm but no 80387 support.
1670 (ix86_attribute_table): Add x87regparm.
1671 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1672 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1673 (ix86_function_x87regparm): New function.
1674 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1676 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1678 (function_arg_advance): Process x87_nregs and x87_regno when
1679 floating point argument is to be passed in 80387 register.
1680 (function_arg): Pass XFmode arguments in 80387 registers for local
1681 functions. Pass SFmode and DFmode arguments to local functions
1682 in 80387 registers when flag_unsafe_math_optimizations is set.
1684 * reg-stack.c (convert_regs_entry): Disable NaN load for
1685 stack registers that are used for argument passing.
1687 * doc/extend.texi: Document x87regparm function attribute.
1688 * doc/invoke.texi: Document -mx87regparm.
1690 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1692 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1693 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1694 arg MODE; all callers changed. Use it to determine validity per
1695 machine mode instead of using Pmode for all memory references.
1696 (get_address_cost): Likewise add and use new arg MEM_MODE.
1698 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1699 J"orn Rennecke <joern.rennecke@st.com>
1701 * combine.c (likely_spilled_retval_1): Fix masking operation.
1702 (likely_spilled_retval_p): Use proper pattern for call to
1703 likely_spilled_retval_1.
1705 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1707 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1709 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1710 that tests for CONSTANT_POOL_ADDRESS_P.
1712 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1714 PR tree-optimization/29581
1715 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1716 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1717 type is different between Y and USE, create a temporary
1718 variable, initialize it at the beginning of the body bb
1719 and use it as replacement instead of Y.
1721 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1724 * gimplify.c (fold_indirect_ref_rhs): Use
1725 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1727 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1729 * expmed.c (emit_store_flag_1): New function.
1730 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1732 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1733 Use do_compare_rtx_and_jump.
1734 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1735 * arm.md (cstoresi4): New define_expand.
1736 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1737 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1738 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1740 2006-11-14 Caroline Tice <ctice@apple.com>
1742 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1743 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1745 (pubname_table): Redefine as a vector.
1746 (pubtype_table): New static global variable, defined as a vector.
1747 (pubname_table_allocated): Remove static global variable.
1748 (pubname_table_in_use): Remove static global variable.
1749 (PUBNAME_TABLE_INCREMENT): Remove constant.
1750 (size_of_pubnames): Add parameter to deal with either pubnames or
1751 pubtypes, and change code to deal with table being a vector.
1752 (add_pubname): Change to deal with table being a vector.
1753 (add_pubtype): New function.
1754 (output_pubnames): Add parameter to deal with either pubnames or
1755 pubtypes, and change code to deal with table being a vector.
1756 (gen_array_type_die): Add call to add_pubtype.
1757 (gen_enumeration_type_die): Add call to add_pubtype.
1758 (gen_struct_or_union_type_die): Add call to add_pubtype.
1759 (gen_subroutine_type_die): Add call to add_pubtype.
1760 (gen_typedef_die): Add call to add_pubtype.
1761 (dwarf2out_init): Add code to initialize pubname_table and
1762 pubtype_table vectors; also initialize debug_pubtypes_section.
1763 (prune_unused_types): Change to deal with pubnames being a vector.
1764 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1765 pubnames table to call to output_pubnames; Add code to output pubtypes
1766 table if DEBUG_PUBTYPES_SECTION is defined.
1767 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1769 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1771 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1773 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1774 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1775 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1776 movv2si_internal): Support moves between core registers.
1778 2006-11-14 Eric Christopher <echristo@apple.com>
1780 * configure: Regenerate with autoconf 2.59.
1782 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1784 Fix PR tree-optimization/27755
1786 * tree-ssa-pre.c: Update comments.
1787 (bb_bitmap_sets): Add pa_in and deferred member.
1788 (BB_DEFERRED): New macro.
1789 (maximal_set): New variable.
1790 (pre_stats): Add pa_insert member.
1791 (bitmap_set_and): Short circuit orig == dest.
1792 (bitmap_set_subtract_values): New function.
1793 (bitmap_set_contains_expr): Ditto.
1794 (translate_vuses_through_block): Add phiblock argument.
1795 (dependent_clean): New function.
1796 (compute_antic_aux): Update for maximal_set changes.
1797 (compute_partial_antic_aux): New function.
1798 (compute_antic): Handle partial anticipation.
1799 (do_partial_partial_insertion): New function.
1800 (insert_aux): Handle partial anticipation.
1801 (add_to_sets): Add to maximal set.
1802 (compute_avail): Ditto.
1803 (init_pre): Initialize maximal_set.
1804 (execute_pre): Do partial anticipation if -O3+.
1806 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1808 PR rtl-optimization/29798
1810 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1811 TARGET_INSN before any other check.
1812 (fwprop_init): Always calculate dominators.
1813 (fwprop_done): Always free them.
1815 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1817 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1820 2006-11-13 DJ Delorie <dj@redhat.com>
1822 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1823 temporary for intermediates.
1825 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1827 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1828 (sh_optimize_target_register_callee_saved): #if 0 the code
1829 using NOTE_INSN_LOOP_{BEG,END}.
1831 2006-11-13 Roger Sayle <roger@eyesopen.com>
1833 * fold-const.c (optimize_bit_field_compare): Recursively call
1834 fold when simplifying non-constant comparisons between bit-fields.
1836 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1838 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1840 * configure: Rebuilt.
1842 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1844 * config/rs6000/cell.md: New file.
1845 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1847 (ppccell_cost): New cost matrix.
1848 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1849 (rs6000_override_options): Set rs6000_always_hint to false
1850 for cell. Also align functions/lables/loops to 8byte
1851 for the Cell. Use PROCESSOR_CELL.
1852 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1853 using_mtcr_multiple.
1854 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1855 on the Cell, return 0.
1856 (rs6000_adjust_cost): Add Cell cost adjustments.
1857 (is_microcoded_insn): Return true for Cell microcoded
1859 (is_nonpipeline_insn): New function.
1860 (rs6000_issue_rate): Add PROCESSOR_CELL.
1861 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1863 (rs6000_use_sched_lookahead_guard): New function.
1864 (rs6000_sched_reorder): Reorder the ready list, if the second
1865 to last ready insn is a nonepipeline insn on the Cell.
1866 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1867 (ASM_CPU_SPEC): Add Cell.
1868 * config/rs6000/rs6000.md (cpu): Add Cell.
1869 (cell_micro): New Attr.
1872 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1874 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1876 * configure: Rebuilt.
1878 2006-11-13 Richard Guenther <rguenther@suse.de>
1880 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1882 (ix86_expand_lfloorceil): Likewise.
1883 (ix86_expand_rint): Likewise.
1884 (ix86_expand_floorceildf_32): Likewise.
1885 (ix86_expand_floorceil): Likewise.
1886 (ix86_expand_rounddf_32): Likewise.
1887 (ix86_expand_truncdf_32): Likewise.
1888 (ix86_expand_round): Likewise.
1890 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1891 Mark Mitchell <mark@codesourcery.com>
1893 * gcc.c: Organize search path variables into $prefix relative,
1894 and well-known native. Add comments.
1895 (add_sysrooted_prefix): Add comment.
1896 (process_command): If !gcc_exec_prefix add $prefix based paths.
1897 If *cross_compile == '0', add native well-known paths.
1898 Assert tooldir_base_prefix is always relative.
1899 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1900 use this value for 'install:' path.
1901 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1903 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1905 * config/i386/i386.c: Fix a typo in comment.
1907 2006-11-13 Michael Matz <matz@suse.de>
1909 * genemit.c (gen_expand): Allocate enough memory.
1911 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1913 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1914 __GXX_TYPEINFO_EQUALITY_INLINE but not
1915 __GXX_MERGED_TYPEINFO_NAMES.
1916 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1917 __GXX_MERGED_TYPEINFO_NAMES.
1918 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1919 __GXX_TYPEINFO_EQUALITY_INLINE.
1921 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1922 Zdenek Dvorak <dvorakz@suse.cz>
1924 PR tree-optimization/29680
1925 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1928 2006-11-12 Jason Merrill <jason@redhat.com>
1929 Andrew Pinski <pinskia@physics.uc.edu>
1932 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1934 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1936 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1937 * tree.c (build_vector): Handle non-_CST elements.
1939 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1941 * genemit.c (gen_insn): Call gen_exp with a non-null used
1942 when handling multiple insns.
1943 (gen_expand): Likewise.
1944 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1945 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1946 (movsi_const_16bit+1): Copy operands[1].
1947 (call_pcrel): Copy the call_site pattern.
1948 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1950 2006-11-12 Roger Sayle <roger@eyesopen.com>
1952 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1953 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1954 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1955 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1957 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1959 Fix PR tree-optimization/29587
1960 * tree-ssa-structalias.c (process_constraint): Don't
1961 mark address taken due only to escaped vars constraint.
1963 2006-11-12 Michael Matz <matz@suse.de>
1964 Roger Sayle <roger@eyesopen.com>
1966 PR rtl-optimization/29797
1967 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1968 BITS_BIG_ENDIAN targets.
1970 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1972 * builtins.c (fold_builtin_cosh): New.
1973 (fold_builtin_1): Use it.
1974 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1975 trunc to the list of "odd" functions. Also add llrint, lrint,
1976 rint and nearbyint when flag_rounding_math is false.
1978 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1980 * tree-flow.h (name_mappings_registered_p): Declare.
1981 * tree-into-ssa.c (name_mappings_registered_p): New function.
1982 * tree-cfg.c (tree_can_merge_blocks_p): Check
1983 name_mappings_registered_p instead of need_ssa_update_p.
1985 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1987 * tree-ssa-loop.c (tree_vectorize): Return the result of
1989 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1990 if anything changed.
1991 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1992 * tree-flow.h (vectorize_loops): Declaration changed.
1994 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1996 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1998 (issue_prefetch_ref): Move assignment to write_p out of loop.
1999 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
2000 SIMULTANEOUS_PREFETCHES into account.
2001 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
2002 * lambda-code.c (lcm): Renamed to ...
2003 (least_common_multiple): ... and exported.
2004 * tree-flow.h (least_common_multiple): Declare.
2006 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2008 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2009 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2010 ud-chains. Handle AND_EXPR.
2011 (record_estimate): Record whether the estimate is realistic
2012 and whether it is derived from a loop exit.
2013 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2014 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2016 (compute_estimated_nb_iterations): Take only realistic bounds into
2017 account. Set estimate_state. Use double_ints.
2018 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2019 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2020 that do not have to be always executed.
2021 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2022 to determine whether to call infer_loop_bounds_from_undefined
2023 and compute_estimated_nb_iterations.
2024 (n_of_executions_at_most): Use double_ints.
2025 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2026 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2027 * double-int.c (double_int_to_tree): Improve comment.
2028 (double_int_fits_to_tree_p): New function.
2029 * double-int.h (double_int_fits_to_tree_p): Declare.
2030 * tree-data-ref.c: Include langhooks.h.
2031 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2032 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2033 (analyze_array): Do not pass estimate_only argument to
2034 analyze_array_indexes.
2035 (get_number_of_iters_for_loop): Build tree from the stored double_int
2037 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2038 (find_data_references_in_loop): Use find_data_references_in_stmt.
2039 * tree-data-ref.h (struct data_ref_loc_d): New.
2040 (get_references_in_stmt): Declare.
2041 (estimate_iters_using_array): Declaration removed.
2042 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2043 double_int. Improve comments. Add is_exit and realistic
2045 (struct loop): Changed type of estimated_nb_iterations to double_int.
2046 Added estimate_state field.
2047 (record_estimate): Declaration removed.
2049 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2051 * params.c (set_param_value): Initialize the "set" field.
2052 * params.h (struct param_info): Add "set" field.
2053 (PARAM_SET_P): New macro.
2054 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2055 L1_CACHE_LINE_SIZE): New macros.
2056 * toplev.c (DEFPARAM): Initialize the "set" field.
2057 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2058 SIMULTANEOUS_PREFETCHES): Removed.
2059 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2060 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2061 * config/sparc/sparc.c: Include params.h.
2062 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2063 L1_CACHE_LINE_SIZE parameters.
2064 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2066 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2068 * config/i386/i386.c: Include params.h.
2069 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2070 (override_options): Set SIMULTANEOUS_PREFETCHES and
2071 L1_CACHE_LINE_SIZE parameters.
2072 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2073 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2074 L1_CACHE_LINE_SIZE parameters.
2075 * config/ia64/ia64.c (ia64_optimization_options): Set
2076 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2077 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2079 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2080 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2081 * doc/invoke.texi: Document new params.
2083 2006-11-12 Roger Sayle <roger@eyesopen.com>
2085 PR tree-optimization/13827
2086 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2089 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2091 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2092 update_single_exit_for_duplicated_loops): New functions.
2093 (duplicate_loop_to_header_edge): Use
2094 update_single_exit_for_duplicated_loops.
2095 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2096 functions only with ENABLE_CHECKING.
2098 2006-11-12 Andreas Schwab <schwab@suse.de>
2100 * except.c (sjlj_emit_function_enter): Remove unused variable.
2102 2006-11-11 Roger Sayle <roger@eyesopen.com>
2104 * fold-const.c (int_binop_types_match_p): New function.
2105 (size_binop): Relax constraint that both arguments must both have
2106 exactly the same sizetype type. Instead use int_binop_types_match_p.
2107 (size_diffop): Likewise.
2109 (make_range): Use build_int_cst instead of fold_convert.
2110 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2111 integer constants of the correct type.
2112 (fold_div_compare): Likewise.
2113 (fold_single_bit_test): Likewise.
2114 (fold_binary): Likewise.
2115 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2116 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2118 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2121 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2122 non null value if the struct memory access is in the 0th
2125 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2128 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2129 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2132 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2133 instead of builtin_define for bfin and BFIN.
2135 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2137 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2140 2006-11-11 Jan Hubicka <jh@suse.cz>
2142 * extend.texi (__builtin_expect): We no longer require second argument
2144 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2145 * builtins.c (expand_builtin_expect): Simplify.
2146 (expand_builtin_expect_jump): Kill.
2147 * final.c (final_scan_insn): Do not skip the removed notes.
2148 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2149 EXPECTED_VALUE): Remove.
2150 * dojump.c (do_jump): Do not care about __builtin_expect.
2151 * predict.c (expected_value_to_br_prob): Kill.
2152 * function.c (expand_function_end): Do not expand
2153 NOTE_INSN_REPEATED_LINE_NUMBER.
2154 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2155 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2156 * cfgexpand.c (add_reg_br_prob_note): Export.
2157 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2158 expected_value_to_br_prob.
2159 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2160 * rtl.h (add_reg_br_prob_note): Declare.
2162 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2164 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2166 2006-11-11 Jan Hubicka <jh@suse.cz>
2168 * predict.c (predict_loops): Kill RTL variant.
2170 2006-11-11 Jan Hubicka <jh@suse.cz>
2172 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2173 * modulo-sched.c (find_line_note): Remove.
2174 (loop_canon_p): Do not worry about line number notes.
2175 (sms_schedule): Likewise.
2176 * cse.c (cse_main): Likewise.
2177 * regmove.c (fixup_match_1): Likewise
2178 * function.c (emit_return_info_block): Likewise.
2179 (expand_function_end): Likewise.
2180 (thread_prologue_an_epilogue_insns): Likewise.
2181 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2183 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2184 emit_note_copy_after): Kill.
2185 (emit_note_copy): Do not worry about line numbers.
2186 * jump.c (purge_line_number_notes): Kill.
2187 (pass_purge_lineno_notes): Kill.
2188 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2190 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2191 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2192 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2193 * tree-pass.h (pass_purge_lineno_notes): Kill.
2194 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2195 rm_redundant_line_notes.
2196 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2197 rm_redundant_line_notes.
2198 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2199 * haifa-sched.c: Update comment about handling notes.
2200 (unlink_line_notes): Kill.
2201 (rm_line_notes): Kill.
2202 (save_line_notes): Simplify.
2203 (rm_redundant_line_notes): Kill.
2205 2006-11-11 Richard Guenther <rguenther@suse.de>
2207 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2208 Remove unused tree codes.
2209 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2210 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2211 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2212 * tree.c (stabilize_reference): Likewise.
2213 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2214 fold_unary): Likewise.
2215 * tree-gimple.c (is_gimple_cast): Likewise.
2216 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2217 * expr.c (expand_expr_real_1): Likewise.
2218 * tree-eh.c (tree_could_trap_p): Likewise.
2219 * gimplify.c (gimplify_expr): Likewise.
2220 * tree-inline.c (estimate_num_insns_1): Likewise.
2221 * tree-cfg.c (verify_expr): Likewise.
2223 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2225 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2226 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2227 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2229 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2232 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2233 constraints accept neither registers or memories.
2235 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2237 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2238 (NO_PROFILE_COUNTERS): Define as 1.
2240 2006-11-10 Roger Sayle <roger@eyesopen.com>
2242 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2243 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2245 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2247 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2249 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2251 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2252 (fold_builtin_hypot): Likewise.
2253 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2255 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2257 2006-11-10 Roger Sayle <roger@eyesopen.com>
2259 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2260 when attempting to build INTEGER_CSTs of non-integral types.
2261 * expmed.c (make_tree): Use the correct type, i.e. the inner
2262 type, when constructing the individual elements of a CONST_VECTOR.
2264 2006-11-10 Jan Hubicka <jh@suse.cz>
2266 * cse.c (cse_process_notes): Copy the propagated value.
2267 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2269 * gcse.c (try_replace_reg): Copy the replacement.
2270 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2271 (assign_386_stack_local): Always return copied memory expression
2272 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2275 2006-11-10 Jan Hubicka <jh@suse.cz>
2277 * final.c (final): Walk from first instruction.
2278 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2280 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2283 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2285 (umulv8hi3_highpart): Ditto.
2286 (vec_widen_smult_hi_v8hi): New expander.
2287 (vec_widen_smult_lo_v8hi): Ditto.
2289 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2292 * builtins.c (do_mpfr_arg3): New.
2293 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2295 2006-11-09 Eric Christopher <echristo@apple.com>
2300 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2301 * config.gcc (powerpc64-*-darwin*): New target.
2302 * config.host: Ditto.
2303 * config/rs6000/darwin64.h: New file.
2304 * config/rs6000/x-darwin64: Ditto.
2305 * config/rs6000/host-ppc64-darwin.c: Ditto.
2307 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2309 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2310 routines for integer division.
2312 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2314 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2316 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2319 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2321 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2323 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2324 simplify_subreg with BLKmode outer mode.
2326 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2328 * doc/invoke.texi: Minor formatting fixes in option lists.
2330 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2332 PR tree-optimization/29738
2333 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2334 (ccp_lattice_t): Remove UNKNOWN_VAL.
2335 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2336 Do not handle UNKNOWN_VAL.
2337 (get_default_value): Set initial value of virtual operands to
2339 (get_value): Always use get_default_value on uninitialized
2341 (set_value_varying, surely_varying_stmt_p): New functions.
2342 (set_lattice_value): Do not pass argument to get_value.
2343 Do not handle UNKNOWN_VAL.
2344 (likely_value): Follow the semantics described in the comment.
2345 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2346 phi nodes DONT_SIMULATE_AGAIN.
2347 (ccp_fold): Do not pass argument to get_value.
2348 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2351 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2353 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2354 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2356 2006-11-08 Roger Sayle <roger@eyesopen.com>
2358 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2359 test for inclusion rather than as a test for exclusion.
2360 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2361 the condition after calling fold_binary.
2362 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2363 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2364 * builtins.c (fold_builtin_isascii): Likewise.
2365 (fold_builtin_isdigit): Likewise.
2367 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2369 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2370 * configure: Regenerate.
2372 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2374 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2375 enum argument instead of bool.
2376 (vect_analyze_operations): Call vectorizable_type_promotion.
2377 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2378 stmt_vec_info_type value.
2379 (supportable_widening_operation, vectorizable_type_promotion): New
2380 function declarations.
2381 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2382 (vectorizable_type_promotion): New function.
2383 (vect_transform_stmt): Call vectorizable_type_promotion.
2384 * tree-vect-analyze.c (supportable_widening_operation): New function.
2385 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2387 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2390 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2391 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2392 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2394 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2395 * expr.c (expand_expr_real_1): Likewise.
2396 * optabs.c (optab_for_tree_code): Likewise.
2397 (init_optabs): Initialize new optabs.
2398 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2399 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2400 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2401 vec_unpacku_lo_optab): Initialize new optabs.
2402 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2403 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2404 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2406 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2407 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2408 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2409 (vec_unpacku_lo_optab): New optabs.
2410 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2411 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2412 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2413 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2414 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2415 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2417 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2418 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2419 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2420 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2421 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2422 implement the unsigned unpacking patterns.
2423 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2424 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2425 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2426 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2427 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2428 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2429 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2430 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2431 multiplication patterns.
2433 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2434 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2435 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2436 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2437 (rs6000_builtin_mul_widen_odd): New.
2438 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2439 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2440 * tree-vectorizer.h (enum vect_relevant): New enum type.
2441 (_stmt_vec_info): Field relevant chaned from bool to enum
2443 (STMT_VINFO_RELEVANT_P): Updated.
2444 (STMT_VINFO_RELEVANT): New.
2445 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2446 instead of STMT_VINFO_RELEVANT_P.
2447 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2448 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2449 and boolean variable with enum vect_relevant.
2450 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2451 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2452 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2454 2006-11-08 Richard Henderson <rth@redhat.com>
2456 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2457 vec_widen_umult_lo_v8hi): New.
2458 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2459 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2461 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2462 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2463 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2464 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2465 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2466 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2467 vec_unpacks_lo_v4si): New.
2469 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2471 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2472 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2473 (vect_analyze_operations): Call vectorizable_type_demotion.
2474 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2475 stmt_vec_info_type value.
2476 (vectorizable_type_demotion): New function declaration.
2477 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2480 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2481 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2483 * tree-iniline.c (estimate_num_insns_1): Likewise.
2484 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2485 * optabs.c (optab_for_tree_code): Likewise.
2487 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2488 compared against the predicate of the result is not 'mode' (the input
2489 to the function) but a mode with half the size of 'mode'.
2490 (init_optab): Initialize new optabs.
2491 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2493 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2495 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2496 (vec_pack_usat_optab): Initialize new optabs.
2497 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2498 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2500 2006-11-08 Richard Henderson <rth@redehat.com>
2502 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2503 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2504 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2505 (vec_interleave_highv4si, vec_interleave_lowv4si):
2506 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2508 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2510 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2512 (vect_transform_stmt): Removed redundant code.
2514 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2516 * tree-vect-transform.c (vectorizable_operation): Support multiple
2519 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2521 * tree-vect-transform.c (vect_align_data_ref): Removed.
2522 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2523 Updated function documentation. Return the increment stmt in ptr_incr.
2524 (bump_vector_ptr): New function.
2525 (vect_get_vec_def_for_stmt_copy): New function.
2526 (vect_finish_stmt_generation): Create a stmt_info to newly created
2528 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2530 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2531 VF is greater than the number of elements that can fit in one vector
2533 (vectorizable_operation, vectorizable_condition): Likewise.
2534 (vectorizable_store, vectorizable_load): Support the case that the VF
2535 is greater than the number of elements that can fit in one vector word.
2536 (vect_transform_loop): Don't fail in case of multiple data-types.
2537 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2538 in case of multiple data-types; the smallest type determines the VF.
2539 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2540 if they are of different sizes.
2541 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2542 number of elements rather than number of bytes.
2543 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2544 (vect_can_advance_ivs_p): Fix a dump printout
2546 2006-11-07 Eric Christopher <echristo@apple.com>
2548 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2549 (__bswapsi2): Ditto.
2550 * libgcc2.h: Remove transformation of bswap routines.
2551 * config/i386/i386.md (bswapsi2): New.
2554 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2556 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2557 (handle_gnu_inline_attribute): New function.
2558 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2559 (merge_decls, start_decl, start_function): Likewise.
2560 * doc/extend.texi: Document gnu_inline attribute.
2562 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2565 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2566 _fixunstfdi, and _floatditf
2568 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2570 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2572 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2573 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2574 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2575 which start in an odd register.
2577 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2579 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2581 2006-11-07 Josh Conner <jconner@apple.com>
2583 * doc/invoke.texi (fstrict-aliasing): Move implementation
2585 * doc/tree-ssa.texi (Alias analysis): ...here.
2587 2006-11-07 Richard Guenther <rguenther@suse.de>
2589 PR tree-optimization/29610
2590 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2591 of tree_purge_dead_eh_edges as it may free dominators.
2593 * g++.dg/other/pr29610.C: New testcase.
2595 2006-11-07 David Ung <davidu@mips.com>
2597 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2598 costs when optimizing for size.
2599 (override_options): Use mips_rtx_cost_optimize_size table for cost
2602 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2604 * gcc.c (process_command): Treat -b as normal switch if its argument
2607 2006-11-07 David Ung <davidu@mips.com>
2609 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2612 2006-11-06 Eric Christopher <echristo@apple.com>
2614 * config.gcc: Add x86_64-darwin host support.
2615 * config.host: Ditto.
2616 * config/i386/darwin64.h: New file.
2617 * config/i386/t-darwin64: Ditto.
2619 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2621 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2622 and output-exists-not.
2624 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2627 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2628 checking for overflow.
2630 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2632 * configure.ac: Fixed typo in case statement: :: changed to ;;
2634 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2636 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2637 count_leading_zeros, and count_trailing_zeros.
2638 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2639 (TARGET_FOLD_BUILTIN): Define.
2640 (TARGET_EXPAND_BUILTIN): Define.
2641 (xtensa_init_builtins): New.
2642 (xtensa_fold_builtin): New.
2643 (xtensa_expand_builtin): New.
2644 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2645 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2646 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2647 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2648 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2649 (any_extend): New code macro.
2650 (u, su): New code attributes.
2651 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2652 (nsau): Remove; replaced by clzsi2.
2653 (ffssi2): Use clzsi2.
2654 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2655 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2656 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2657 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2658 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2660 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2662 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2664 * config/arm/t-strongarm-elf: Likewise.
2665 * config/arm/t-pe: Likewise.
2666 * config/arm/t-arm-elf: Likewise.
2667 * config/arm/t-xscale-elf: Likewise.
2668 * config/arm/t-arm-coff: Likewise.
2669 * config/arm/t-xscale-coff: Likewise.
2670 * config/arm/t-wince-pe: Likewise.
2672 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2674 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2677 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2680 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2683 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2686 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2687 as a valid 80387 constant.
2688 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2689 * config/i386/i386.md (unnamed splitter): Split the load of
2690 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2693 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2695 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2696 from the soft-frame, argument and virtual registers.
2698 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2700 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2701 patterns for standard 80387 constants.
2703 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2704 Steven Bosscher <steven@gcc.gnu.org>
2706 * fwprop.c: New file.
2707 * Makefile.in: Add fwprop.o.
2708 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2709 * passes.c (init_optimization_passes): Schedule forward propagation.
2710 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2712 * timevar.def (TV_FWPROP): New.
2713 * common.opt (-fforward-propagate): New.
2714 * opts.c (decode_options): Enable forward propagation at -O2.
2715 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2716 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2717 canon_for_address, table_size): Remove.
2718 (new_basic_block, insert, remove_from_table): Remove references to
2720 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2721 simplification loop more straightforward by not calling fold_rtx
2723 (equiv_constant): Move here a small part of fold_rtx_subreg,
2724 do not call fold_rtx. Call avoid_constant_pool_reference
2726 * recog.h (canonicalize_change_group): New.
2728 * doc/invoke.texi (Optimization Options): Document fwprop.
2729 * doc/passes.texi (RTL passes): Document fwprop.
2731 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2733 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2734 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2735 (grokdeclarator): Likewise.
2737 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2739 * tree-dump.c (dump_enable_all): Rename local variable
2740 ir_type to avoid name conflicts.
2741 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2742 instead of using ir_type().
2743 * profile.c (tree_register_profile_hooks): Likewise.
2744 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2745 * basic-block.h (struct edge_def): Likewise.
2746 * config/arm/arm.c (legitimize_pic_address): Likewise.
2747 * coretypes.h (ir_type): New enum of all intermediate languages
2749 * cfghooks.c (ir_type): Rename to...
2750 (current_ir_type): ...this. Distinguish between cfgrtl and
2751 cfglayout mode when the current IR is RTL. Return enum ir_type.
2752 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2754 2006-11-03 Paul Brook <paul@codesourcery.com>
2756 * config/arm/arm.c (arm_file_start): New function.
2757 (TARGET_ASM_FILE_START): Define.
2758 (arm_default_cpu): New variable.
2759 (arm_override_options): Set arm_default_cpu.
2761 2006-11-03 David Ung <davidu@mips.com>
2763 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2764 PROCESSOR_24KC and PROCESSOR_24KF.
2765 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2766 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2767 (mips_rtx_cost_data): Add costs for the 24kc.
2768 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2769 * config/mips/24k.md: Remove references to 24k and replace with
2770 uses of 24kc/24kf in the appropriate reservations.
2771 * doc/invoke.texi (MIPS Options): Updated.
2773 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2775 * config/sh/crt1.asm: Fix #ifdef indent.
2777 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2778 Merged from STMicroelectronics sources:
2779 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2780 * config/sh/crt1.asm (vbr_600): Add missing #if.
2781 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2782 * sh.opt (mfused-madd): New option.
2783 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2784 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2785 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2786 Remove pointless handler at VBR+0.
2787 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2788 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2789 fr7. Make sure the timer handler is called with the correct FPU
2790 precision setting, according to the ABI.
2791 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2792 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2793 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2794 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2795 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2796 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2797 zero as second operand.
2798 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2799 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2800 Fixed some bugs related to negative values, in particular -0
2801 and overflow at -0x80000000.
2802 * config/sh/divcost-analysis: Added sh4-300 figures.
2803 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2804 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2805 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2806 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2807 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2808 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2810 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2812 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2813 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2814 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2815 mac_mem, mem_mac, dfp_mul, fp_cmp.
2816 (insn_class, dfp_comp, any_fp_comp): Update.
2817 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2818 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2819 (muldf3_i): Likewise.
2820 (movsi_i): Split rI08 alternative into two separate alternatives.
2822 (movsi_ie, movsi_i_lowpart): Likewise.
2823 (movqi_i): Split ri alternative into two separate alternatives.
2825 * sh1.md (sh1_load_store, sh1_fp): Update.
2826 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2827 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2828 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2829 (sh4a_fp_double_arith): Likewise.
2830 * sh4-300.md: New file.
2831 * sh.c (sh_handle_option): Handle m4-300* options.
2832 (sh_adjust_cost): Fix latency of auto-increments.
2833 Handle SH4-300 differently than other SH4s. Check for new insn types.
2834 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2835 been set by an option.
2836 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2837 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2838 (mbranch-cost=): Likewise.
2839 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2841 * sh.md (mulsf3): Remove special expansion code.
2842 (mulsf3_ie): Now a define_insn_and_split.
2843 (macsf3): Allow for TARGET_SH4.
2845 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2846 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2847 (expand_cbranchdi4): Likewise.
2848 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2849 CONST_DOUBLE if the outer code is COMPARE.
2850 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2851 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2852 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2853 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2854 Remove redundant fp_{zero,one}_operand checks.
2855 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2856 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2857 (expand_cbranchdi4): Likewise.
2858 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2859 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2861 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2863 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2866 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2868 * doc/invoke.texi: Fix mfp-trap-mode typo.
2870 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2872 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2873 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2874 file_end_indicate_exec_stack.
2875 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2877 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2878 for a non-executable stack.
2879 * crti.asm: Likewise.
2880 * crtn.asm: Likewise.
2881 * libunwind.S: Likewise.
2883 2006-11-02 Ben Elliston <bje@au.ibm.com>
2885 * tree-ssa.c (warn_uninit): Use expand_location variables for
2886 locus and declaration locus.
2888 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2891 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2892 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2893 cmp{eq,gt,gtu}{si,di}_media.
2894 (*cmpne0si_media): Remove.
2895 (*movsicc_umin): Adjust gen_cmp*_media call.
2896 (unordered): Change the mode of unordered and operands[1] to
2898 (seq): Adjust gen_cmp*_media calls. Make the mode of
2899 a temporary result of compare SImode if needed. If the mode
2900 of operands[0] is DImode, extend the temporary result to DImode.
2901 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2902 (sunorderd): Change the mode of match_operand and unorderd to
2904 (cmpeq{sf,df}_media): Remove.
2905 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2906 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2907 and compare operation to SImode.
2909 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2911 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2913 (sparc64-sun-solaris2*): Likewise.
2915 2006-11-02 Paul Brook <paul@codesourcery.com>
2917 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2918 from priority argument. Use different section for non-default
2920 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2922 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2925 * except.c (switch_to_exception_section): Do not cache the section
2926 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2927 and flag_function_sections is set.
2929 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2932 * builtins.c (do_mpfr_sincos): New.
2933 (fold_builtin_1): Use it to fold builtin sincos.
2935 2006-11-01 Roger Sayle <roger@eyesopen.com>
2937 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2938 it into -D_REENTRANT.
2940 2006-11-01 Roger Sayle <roger@eyesopen.com>
2942 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2943 whether the assembler supports taking the difference of symbols in
2944 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2945 * configure: Regenerate.
2946 * config.in: Regenerate.
2947 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2948 the assembler doesn't support taking the difference of symbols in
2949 different sections, i.e. we're using the native solaris assembler.
2951 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2952 Peter Bergner <bergner@vnet.ibm.com>
2954 * doc/invoke.texi: Add cpu_type power6x
2955 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2956 * config.gcc: Add cpu_type power6x.
2957 * configure.ac: Add test for mf{t,f}gpr instructions.
2958 (HAVE_AS_MFPGPR): New.
2959 * config.in: Regenerate.
2960 * configure: Regenerate.
2961 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2962 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2963 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2964 and mftgpr attributes.
2965 (define_attr "cpu"): Add power6.
2966 Change instruction sequences to use new attributes.
2967 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2968 (fix_truncdfsi2_mfpgpr): New.
2969 (floatsidf_ppc64_mfpgpr): New.
2970 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2971 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2972 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2973 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2974 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2975 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2976 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2977 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2978 cntlz,exts and var_delayed_compare.
2979 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2980 _ARCH_PWR6X, if features enabled.
2981 * config/rs6000/rs6000.opt (mmfpgpr): New.
2982 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2983 (cached_can_issue_more): New variable.
2984 (processor_costs): Add power6_cost.
2985 (rs6000_sched_init): New function.
2986 (is_dispatch_slot_restricted): Deleted.
2987 (set_to_load_agen): New function.
2988 (is_load_insn,is_store_insn): New functions.
2989 (adjacent_mem_locations): New function.
2990 (insn_must_be_first_in_group): New function.
2991 (insn_must_be_last_in_group): New function.
2992 (rs6000_sched_reorder): New function.
2993 (rs6000_sched_reorder2): New function.
2994 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2995 TARGET_SCHED_REORDER2): Define.
2996 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2997 Add power6x. Add MASK_MFPGPR for power6x.
2998 (POWERPC_MASKS): Add MASK_MFPGPR.
2999 (rs6000_override_options): Set rs6000_always_hint to false
3000 for power6. Set rs6000_align_branch_targets. Replace
3001 rs6000_sched_groups check with rs6000_align_branch_targets.
3002 Use PROCESSOR_POWER6.
3003 (last_scheduled_insn): New variable.
3004 (load_store_pendulum): New variable.
3005 (rs6000_variable_issue): Set last_scheduled_insn and
3006 cached_can_issue_more.
3007 (rs6000_adjust_cost): Add power6 cost adjustments.
3008 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3009 with insn_must_be_first_in_group. Add power6 priority adjustments.
3010 (rs6000_issue_rate): Add CPU_POWER6.
3011 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3012 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3013 (TARGET_MFPGPR): New.
3014 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3015 (ASM_CPU_SPEC): Add power6x.
3016 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3018 * config/rs6000/power6.md: New file.
3020 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3022 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3023 HOST_WIDE_INT_PRINT to print high and low parts. Use
3024 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3025 printing a hexadecimal number prefix it with 0x.
3027 2006-11-01 Chris Johns <chris@contemporary.net.au>
3030 * Makefile.in (install-driver): Use exeext when installing
3031 $target-gcc-$version.
3033 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3035 * c-common.c (flag_cpp0x): New.
3036 * c-common.h (flag_cpp0x): New.
3037 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3038 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3039 * c-opts.c (set_std_cxx0x): New.
3040 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3041 * c.opt (std=c++0x): Document.
3042 (std=gnu++0x): Ditto.
3043 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3044 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3046 2006-11-01 Richard Guenther <rguenther@suse.de>
3048 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3050 (ix86_expand_floorceildf_32): Likewise.
3051 (ix86_expand_floorceil): Likewise.
3052 (ix86_expand_trunc): Likewise.
3054 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3056 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3059 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3061 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3063 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3065 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3067 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3068 * configure.ac (use_cxa_atexit): As a special case, don't test
3069 for libc definition of __cxa_atexit on mingw32
3070 * configure: Regenerate.
3071 * config.gcc (i[34567]86-pc-mingw32): Default to
3072 enable__cxa_atexit=yes.
3074 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3076 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3078 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3081 * c-decl.c (start_struct): Don't create self-containing
3083 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3085 * config/rs6000/rs6000-protos.h
3086 (darwin_rs6000_special_round_type_align): New.
3087 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3088 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3090 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3092 * toplev.c (compile_file): Call final_write_globals
3093 even if there have been errors.
3095 2006-10-31 Eric Christopher <echristo@apple.com>
3096 Falk Hueffner <falk@debian.org>
3098 * doc/extend.texi (__builtin_bswap32): Document.
3099 (__builtin_bswap64): Ditto.
3100 * doc/libgcc.texi (bswapsi2): Document.
3102 * doc/rtl.texi (bswap): Document.
3103 * optabs.c (expand_unop): Don't widen a bswap.
3104 (init_optabs): Init bswap. Set libfuncs explicitly
3105 for bswapsi2 and bswapdi2.
3106 * optabs.h (OTI_bswap): New.
3107 (bswap_optab): Ditto.
3108 * genopinit.c (optabs): Handle bswap_optab.
3109 * tree.h (tree_index): Add TI_UINT32_TYPE and
3111 (uint32_type_node): New.
3112 (uint64_type_node): Ditto.
3113 * tree.c (build_common_tree_nodes_2): Initialize
3114 uint32_type_node and uint64_type_node.
3115 * builtins.c (expand_builtin_bswap): New.
3116 (expand_builtin): Call.
3117 (fold_builtin_bswap): New.
3118 (fold_builtin_1): Call.
3119 * fold-const.c (tree_expr_nonnegative_p): Return true
3121 * builtin-types.def (BT_UINT32): New.
3123 (BT_FN_UINT32_UINT32): Ditto.
3124 (BT_FN_UINT64_UINT64): Ditto.
3125 * builtins.def (BUILT_IN_BSWAP32): New.
3126 (BUILT_IN_BSWAP64): Ditto.
3127 * rtl.def (BSWAP): New.
3128 * genattrtab.c (check_attr_value): New.
3129 * libgcc2.c (__bswapSI2): New.
3130 (__bswapDI2): Ditto.
3131 * libgcc2.h (__bswapSI2): Declare.
3132 (__bswapDI2): Ditto.
3133 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3134 * simplify-rtx.c (simplify_const_unary_operation): Return
3136 * libgcc-std.ver (__bwapsi2): Add.
3137 (__bswapdi2): Ditto.
3138 * reload1.c (eliminate_regs_1): Add bswap.
3139 (elimination_effects): Ditto.
3140 * config/i386/i386.h (x86_bswap): New.
3141 (TARGET_BSWAP): Use.
3142 * config/i386/i386.c (x86_bswap): Set.
3144 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3146 * coverage.c (coverage_checksum_string): Update comment.
3147 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3148 of get_file_function_name.
3149 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3150 of get_file_function_name_long.
3151 * tree.c (get_file_function_name): Rename from
3152 get_file_function_name_long; improve comment; handle 'I' and 'D'
3153 specially when the target has ctor/dtor support; remove special
3155 (get_file_function_name): Remove.
3156 * tree.h (get_file_function_name): Rename from
3157 get_file_function_name_long.
3158 (get_file_function_name): Remove prototype.
3160 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3162 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3163 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3165 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3166 Call dsymutil when compiling and linking one or more source files
3169 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3172 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3174 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3176 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3177 inline static functions in c99 mode.
3180 * doc/extend.texi (Inline): Update.
3181 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3182 * c-decl.c (current_extern_inline): Delete.
3183 (pop_scope): Adjust test for an undefined nested function.
3184 Add warning about undeclared inline function.
3185 (diagnose_mismatched_decls): Update comments. Disallow overriding
3186 of inline functions in a translation unit in C99. Allow inline
3187 declarations in C99 at any time.
3188 (merge_decls): Boolize variables. Handle C99 'extern inline'
3190 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3191 C99 inline semantics.
3192 (start_function): Don't clear current_extern_inline. Don't set
3194 (c_push_function_context): Don't push current_extern_inline.
3195 (c_pop_function_context): Don't restore current_extern_inline.
3198 * c-typeck.c (build_external_ref): Warn about static variables
3199 used in extern inline functions.
3200 * c-decl.c (start_decl): Warn about static variables declared
3201 in extern inline functions.
3203 2006-10-31 Roger Sayle <roger@eyesopen.com>
3206 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3207 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3208 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3209 or y is an even integer.
3211 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3214 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3215 * gthr-posix95.h (__gthread_active_p): Likewise.
3217 2006-10-31 Richard Guenther <rguenther@suse.de>
3219 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3220 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3221 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3222 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3223 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3224 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3225 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3226 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3229 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3231 * opts.c (decode_options): Disable CSE skip blocks.
3233 2006-10-30 Dirk Mueller <dmueller@suse.de>
3235 * c-common.h (strict_aliasing_warning): Fix whitespace.
3236 * c-decl (start_function): Move code for main decl warning ..
3237 * c-common.c (check_main_parameter_types): .. here.
3238 * c-common.h (check_main_parameter_types): Declare.
3240 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3243 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3245 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3247 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3248 be a PARALLEL containing sets. Return false when out_pat is not
3251 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3253 * config/mips/mips.md (mul<mode>3): Split into...
3254 (mulsi3, muldi3): ...these separate patterns.
3256 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3258 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3259 but with each set of options separated by spaces.
3261 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3263 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3264 dwarf_reg_size_table has been initialized.
3266 2006-10-30 Roger Sayle <roger@eyesopen.com>
3268 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3269 * ddg.c (print_ddg_edge): Likewise.
3270 * dwarf2out.c (prune_unused_types_walk): Likewise.
3271 * ifcvt.c (noce_try_cmove_arith): Likewise.
3272 * langhooks.c (add_builtin_function): Likewise.
3273 * reg-stack.c (subst_stack_regs_pat): Likewise.
3274 * tree.c (expanded_location): Likewise.
3275 * tree-dump.c (dequeue_and_dump): Likewise.
3277 2006-10-30 David Daney <ddaney@avtrex.com>
3279 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3281 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3283 PR tree-optimization/29637
3284 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3285 of the innertype is the innertype itself.
3287 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3289 * dwarf2out.c (file_name_acquire): Correct typo.
3291 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3293 * tree.h (tree_value_handle): Remove struct value_set declaration.
3294 Change value_set to bitmap_set.
3295 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3296 * tree-vn.c (get_value_handle): Made inline and moved to
3298 * tree-flow-inline.h: (has_stmt_ann): New function.
3299 * tree-ssa-pre.c (expressions): New variable.
3300 (next_expression_id): Ditto.
3301 (alloc_expression_id): New function.
3302 (struct value_set): Remove.
3303 (get_expression_id): New function.
3304 (get_or_alloc_expression_id): Ditto.
3305 (expression_for_id): Ditto.
3306 (clear_expression_ids): Ditto.
3307 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3308 (bb_value_sets): Renamed to bb_bitmap_sets.
3309 All value sets replaced with bitmap_sets.
3311 (BB_VISITED): New macro.
3312 (postorder): New variable.
3313 (add_to_value): Removed.
3314 (value_exists_in_set_bitmap): Ditto.
3315 (value_insert_into_set_bitmap): Ditto.
3318 (set_remove): Ditto.
3319 (set_contains_value): Ditto.
3320 (insert_into_set): Ditto.
3322 (find_leader): Ditto.
3323 (bitmap_set_subtract_from_value_set): Ditto.
3324 (value_insert_into_set): Ditto.
3325 (print_value_set): Ditto.
3326 (debug_value_set): Ditto.
3327 (constant_expr_p): New function.
3328 (bitmap_remove_from_set): Ditto.
3329 (bitmap_insert_into_set): Ditto.
3330 (bitmap_set_free): Ditto.
3331 (vh_compare): Ditto.
3332 (sorted_array_from_bitmap_set): Ditto.
3333 (bitmap_set_subtract): Ditto.
3334 (bitmap_set_equal): Ditto.
3335 (debug_bitmap_set): Ditto.
3336 (find_leader_in_sets): Ditto.
3337 (bitmap_set_replace_value): Modify for bitmapped sets.
3338 (phi_translate): Ditto.
3339 (phi_translate_set): Ditto.
3340 (bitmap_find_leader): Ditto.
3341 (valid_in_sets): Ditto.
3342 (union_contains_value): Ditto.
3344 (compute_antic_aux): Ditto. Mark changed blocks.
3345 (compute_antic): Ditto. Iterate in postorder and only over
3347 (compute_rvuse_and_antic_safe): Reuse postorder.
3348 (create_component_ref_by_pieces): Modify for bitmapped sets.
3349 (find_or_generate_expression): Ditto.
3350 (create_expression_by_pieces): Ditto.
3351 (insert_into_preds_of_block): Ditto.
3352 (changed_blocks): New variable.
3353 (do_regular_insertion): Broken out from insert_aux.
3354 (insert_aux): Modified for bitmapped sets.
3355 (find_existing_value_expr): New function.
3356 (create_value_expr_from): Use it.
3357 (insert_extra_phis): Removed.
3358 (print_bitmap_set): Renamed from bitmap_print_value_set.
3359 (compute_avail): Handle RETURN_EXPR.
3360 (init_pre): Modify for bitmapped sets.
3361 * tree-flow.h (has_stmt_ann): New function.
3363 2006-10-29 Roger Sayle <roger@eyesopen.com>
3365 * builtins.c (fold_builtin_floor): Check for the availability of
3366 the C99 trunc function before transforming floor into trunc.
3368 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3370 * builtins.c (fold_builtin_hypot): Rearrange recursive
3371 transformation before others, and also do ABS_EXPR. When
3372 necessary, check flag_unsafe_math_optimizations. When necessary,
3375 2006-10-29 Roger Sayle <roger@eyesopen.com>
3377 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3378 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3379 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3380 Fold -X eq/ne -Y as X eq/ne Y.
3382 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3384 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3385 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3386 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3387 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3388 Use an inclusive test for "mult" rather than "mul".
3389 (rotr<mode>3): Depend on ISA_HAS_ROR.
3390 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3392 (GENERATE_MULT3_DI): Delete.
3393 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3394 (ISA_HAS_MUL3): New macro.
3395 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3396 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3397 (ISA_HAS_CLZ_CLO): Likewise.
3398 (ISA_HAS_DCLZ_DCLO): Delete.
3399 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3400 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3401 the VR4120 and VR4130.
3402 (ISA_HAS_MACCHI): Use consistent formatting.
3403 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3404 (ISA_HAS_ROR): ...this new macro.
3405 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3406 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3407 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3409 2006-10-29 Roger Sayle <roger@eyesopen.com>
3411 PR tree-optimization/15458
3412 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3415 2006-10-29 Richard Guenther <rguenther@suse.de>
3417 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3418 (ix86_expand_truncdf_32): Likewise.
3419 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3420 trunc inline for SSE math and -fno-trapping-math and if not
3421 optimizing for size.
3422 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3423 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3424 for expanding btrunc inline for SSE math.
3426 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3428 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3429 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3430 i[34567]86-*-solaris2.1[0-9]*.
3431 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3432 Define conditionally depending on TARGET_64BIT_DEFAULT.
3433 (SPEC_32, SPEC_64): Define.
3434 (LINK_SPEC): Use them.
3435 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3437 2006-10-29 Richard Guenther <rguenther@suse.de>
3439 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3440 (ix86_expand_rounddf_32): Likewise.
3441 * config/i386/i386.c (ix86_expand_round): New function expanding
3442 round inline for SSE math and -fno-trapping-math and if not
3443 optimizing for size.
3444 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3445 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3446 round via ix86_expand_round.
3448 2006-10-29 Richard Guenther <rguenther@suse.de>
3450 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3451 (ix86_expand_floorceildf_32): Likewise.
3452 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3453 static helper function.
3454 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3456 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3457 * config/i386/i386.md (floordf2): Adjust to enable floor
3458 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3459 -fno-trapping-math is enabled and if not optimizing for size.
3460 (floorsf2, ceildf2, ceilsf2): Likewise.
3461 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3462 (sse2_maskcmpdf3): Likewise.
3464 2006-10-29 Richard Guenther <rguenther@suse.de>
3466 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3467 rint in case -fno-trapping-math is enabled.
3468 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3469 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3470 (ix86_expand_sse_fabs): Likewise.
3471 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3472 * config/i386/i386.md (rintdf2): Enable for SSE math if
3473 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3474 (rintsf2): Likewise.
3476 2006-10-29 Richard Guenther <rguenther@suse.de>
3478 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3479 to conversion optabs.
3480 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3481 as conversion optab.
3482 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3483 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3484 (lfloor_optab, lceil_optab): Adjust defines.
3485 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3486 lfloor and lceil optabs now being conversion optabs.
3487 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3488 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3489 New static helper function.
3490 (ix86_expand_lfloorceil): New function to expand lfloor and
3492 * config/i386/i386.md (lfloor<mode>2): Split into ...
3493 (lfloorxf<mode>2): ... x87 variant
3494 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3495 using ix86_expand_lfloorceil.
3496 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3498 * doc/md.texi (lfloorMN, lceilMN): Document.
3500 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3502 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3503 -mno-shared assembler option on mips targets.
3504 * configure, config.in: Regenerate.
3505 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3506 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3507 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3509 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3511 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3512 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3514 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3516 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3517 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3520 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3523 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3524 (fold_builtin_pow): Evaluate constant arguments at compile-time
3526 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3527 (do_mpfr_ckconv): New helper function.
3528 (do_mpfr_arg1): Use do_mpfr_ckconv.
3529 (do_mpfr_arg2): New.
3531 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3534 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3535 (-fdump-rtl-sched): Rename to ..
3536 (-fdump-rtl-sched1): here. Also fix file extension number.
3538 2006-10-28 Richard Guenther <rguenther@suse.de>
3540 * fold-const.c (maybe_canonicalize_comparison): Fix code
3543 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3545 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3546 (NON_QI_REG_P): Use IN_RANGE.
3547 (REX_INT_REGNO_P): Use IN_RANGE.
3548 (FP_REGNO_P): Use IN_RANGE.
3549 (SSE_REGNO_P): Use IN_RANGE.
3550 (REX_SSE_REGNO_P): Use IN_RANGE.
3551 (MMX_REGNO_P): Use IN_RANGE.
3552 (STACK_REGNO_P): New macro.
3553 (STACK_REG_P): Use STACK_REGNO_P.
3554 (NON_STACK_REG_P): Use STACK_REGNO_P.
3555 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3556 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3557 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3558 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3559 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3561 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3563 * except.h (output_function_exception_table): Add 'const char*' param.
3564 * except.c (switch_to_exception_section): Add 'const char*' param.
3565 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3566 and flag_function_sections is set, use a function-specific section.
3567 (output_function_exception_table): Add 'const char*' param.
3568 Adjust call to switch_to_exception_section.
3569 * final.c (rest_of_handle_final): Adjust calls to
3570 output_function_exception_table.
3571 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3572 * config.in: Regenerate.
3573 * configure: Likewise.
3575 2006-10-28 Richard Guenther <rguenther@suse.de>
3578 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3579 for maybe_canonicalize_comparison.
3580 (maybe_canonicalize_comparison): New function for canonicalizing
3582 (fold_comparison): Call it to canonicalize comparisons with
3585 2006-10-28 Richard Guenther <rguenther@suse.de>
3588 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3589 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3590 (expand_builtin): Adjust likewise.
3591 * genopinit.c (optabs[]): Add lround optab.
3592 * optabs.c (init_optabs): Initialize lround_optab.
3593 * optabs.h (enum convert_optab_index): Add COI_lround.
3594 (lround_optab): Define.
3595 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3596 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3598 (ix86_expand_lround): New function.
3599 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3601 * doc/md.texi (lroundMN2): Document.
3603 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3606 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3607 argument to HOST_WIDE_INT. Update function prototype.
3608 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3609 "size" argument to HOST_WIDE_INT. Update function prototype.
3611 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3613 * config/i386/i386.c (output_387_ffreep): Create output from a
3614 template string for !HAVE_AS_IX86_FFREEP.
3616 2006-10-27 Eric Christopher <echristo@apple.com>
3618 * config/darwin.c: Fix formatting and grammar.
3620 2006-10-27 Jan Hubicka <jh@suse.cz>
3622 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3623 to be thrown away soon when IGNORE is set.
3624 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3625 indicating when return value shall not be computed.
3626 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3628 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3630 * config/i386/i386.h (TARGET_GEODE):
3631 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3632 (TARGET_CPU_DEFAULT_geode): New macro.
3633 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3634 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3635 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3636 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3637 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3639 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3640 (processor_type): Add PROCESSOR_GEODE.
3642 * config/i386/i386.md: Include geode.md.
3645 * config/i386/i386.c (geode_cost): New initialized global
3647 (m_GEODE, m_K6_GEODE): New macros.
3648 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3649 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3650 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3651 x86_schedule): Use m_K6_GEODE instead of m_K6.
3652 (x86_movx, x86_cmove): Set up m_GEODE.
3653 (x86_integer_DFmode_moves): Clear m_GEODE.
3654 (processor_target_table): Add entry for geode.
3655 (processor_alias_table): Ditto.
3657 * config/i386/geode.md: New file.
3659 * doc/invoke.texi: Add entry about geode processor.
3661 2006-10-27 Mike Stump <mrs@apple.com>
3663 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3664 __DYNAMIC__ from here back to ...
3665 * config/darwin.h (CPP_SPEC): ... here.
3667 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3668 Nathan Sidwell <nathan@codesourcery.com>
3670 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3671 when choosing the minimum heapsize.
3673 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3675 * gcc/unwind-dw2.h: Move cfa-related variables into
3676 struct frame_state_reg_info to ensure that the CFA is properly
3677 handled when executing DW_CFA_{remember,restore}_state.
3678 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3679 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3680 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3681 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3682 gcc/config/rs6000/linux-unwind.h,
3683 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3684 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3685 Modify to use new cfa_* fields.
3687 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3689 * config/s390/s390.c (s390_init_frame_layout): Check positive
3692 2006-10-26 Ben Elliston <bje@au.ibm.com>
3694 * gimplify.c (get_name): Remove extraneous break.
3695 (gimplify_omp_for): Initialise ret with GS_OK.
3697 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3699 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3700 Add unix98.o to link line.
3702 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3705 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3706 Calculate compile-time constants using MPFR.
3707 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3708 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3710 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3712 * config/xtensa/lib2funcs.S: Use C-style comments.
3714 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3716 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3717 (file_table_relative_p): Likewise.
3718 (dwarf2out_finish): Likewise.
3719 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3721 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3723 * tree-ssa-structalias.c (intra_create_variable_infos):
3724 Don't recreate nonlocal_all if it already exists.
3726 2006-10-25 Richard Guenther <rguenther@suse.de>
3729 * optabs.h (enum optab_index): Remove OTI_lrint.
3730 (enum convert_optab_index): Add COI_lrint.
3731 (lrint_optab): Adjust.
3732 (expand_sfix_optab): Declare.
3733 * optabs.c (expand_sfix_optab): New function.
3734 (init_optabs): Init lrint_optab as conversion optab.
3735 * genopinit.c (lrint_optab): Change to a conversion optab.
3736 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3737 expansion via conversion optab.
3738 * config/i386/i386.md (*fistdi2_1): Remove
3739 flag_unsafe_math_optimizations guard.
3740 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3741 fist<mode>2_with_temp): Likewise.
3742 (lrint<mode>2): Split into...
3743 (lrintxf<mode>2): ... x87 part
3744 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3745 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3746 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3747 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3748 * doc/md.texi (lrintMN2): Document.
3750 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3753 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3754 Use inc and dec instructions for TARGET_USE_INCDEC.
3755 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3756 ("sync_double_compare_and_swap<mode>"): Likewise.
3757 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3758 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3759 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3760 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3761 ("sync_old_add<mode>"): Likewise.
3762 ("sync_lock_test_and_set<mode>"): Likewise.
3763 ("sync_lock_test_and_set<mode>"): Likewise.
3764 ("sync_add<mode>"): Likewise.
3765 ("sync_sub<mode>"): Likewise.
3766 ("sync_ior<mode>"): Likewise.
3767 ("sync_and<mode>"): Likewise.
3768 ("sync_xor<mode>"): Likewise.
3770 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3772 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3773 (remainder_optab): Define corresponding macro.
3774 (drem_optab): Remove.
3775 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3776 drem_optab initialization.
3777 * genopinit.c (optabs): Implement remainder_optab using
3778 remainder?f3 patterns. Remove drem_optab.
3779 * builtins.c (expand_builtin_mathfn_2): Handle
3780 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3781 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3782 expand_builtin_mathfn_2.
3784 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3785 depend on flag_unsafe_math_optimizations.
3787 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3788 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3789 Do not depend on flag_unsafe_math_optimizations. Use
3790 truncxf?f expander instead of truncxf?f_i387_noop.
3792 ("fpremxf4", "fprem1xf4"): Do not depend on
3793 flag_unsafe_math_optimizations.
3794 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3795 flag_unsafe_math_optimizations. Use truncxf?f expander
3796 instead of truncxf?f_i387_noop.
3798 * doc/md.texi (fmod, remainder): Document standard named pattern.
3800 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3801 David Daney <ddaney@avtrex.com>
3804 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3806 2006-10-25 Ben Elliston <bje@au.ibm.com>
3808 * doc/extend.texi (Variable Attributes): Typo fix.
3810 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3812 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3813 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3814 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3815 (FRAME_POINTER_REGNUM): Update register number to 21.
3816 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3817 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3819 * config/i386/i386.c (regclass_map): Add fpcr entry.
3820 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3822 (print_reg): Assert REGNO (x) != FPCR_REG.
3824 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3825 (DIRFLAG_REG): Renumber.
3826 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3827 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3828 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3829 hardcoded SSE register numbers.
3831 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3832 hardcoded MMX register numbers.
3834 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3837 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3838 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3840 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3841 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3842 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3843 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3845 2006-10-24 Richard Guenther <rguenther@suse.de>
3848 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3849 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3850 for deciding optimizations in consistency with fold-const.c
3851 (fold_builtin_unordered_cmp): Likewise.
3853 2006-10-24 Richard Guenther <rguenther@suse.de>
3855 * builtins.c (fold_builtin_floor): Fold floor (x) where
3856 x is nonnegative to trunc (x).
3857 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3858 nonnegative to FIX_TRUNC_EXPR.
3860 2006-10-24 Richard Guenther <rguenther@suse.de>
3862 PR tree-optimization/29567
3863 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3864 for TRUTH_NOT_EXPR. Clarify comments.
3866 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3869 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3870 at compile-time using MPFR. Change parameter VALUE to FUNC,
3872 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3873 for overflow and underflow at all times and avoid folding in
3876 2006-10-24 Ben Elliston <bje@au.ibm.com>
3878 * reload1.c: Formatting fixes.
3880 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3882 PR tree-optimization/14784
3883 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3884 * tree-ssa-structalias.c (get_constraint_for,
3885 intra_create_variable_infos): Set is_heapvar.
3886 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3887 non-heapvar pointer variables specially.
3889 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3892 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3893 fold_builtin_tan): Fold all constant arguments. Take a "type"
3894 argument as necessary.
3895 (do_mpfr_arg1): New.
3896 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3898 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3900 * config/xtensa/lib1funcs.asm: Use C-style comments.
3902 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3904 * tree.c (local_define_builtin): Replace calls to
3905 lang_hooks.builtin_function with add_builtin_function.
3906 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3908 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3910 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3911 common code to add_builtin_function.
3912 * langhooks.c (add_builtin_function): New function.
3913 (lhd_builtin_function): New function.
3914 * langhooks.h (struct lang_hooks): Change the signature of
3916 (add_builtin_function): New function.
3917 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3918 calls to lang_hooks.builtin_function with add_builtin_function.
3919 * c-common.c (decl_builtin_1): Replace calls to
3920 lang_hooks.builtin_function with add_builtin_function.
3921 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3922 lang_hooks.builtin_function with add_builtin_function.
3923 * config/frv/frv.c (def_builtin): Replace calls to
3924 lang_hooks.builtin_function with add_builtin_function.
3925 * config/s390/s390.c (s390_init_builtins): Replace calls to
3926 lang_hooks.builtin_function with add_builtin_function.
3927 * config/sparc/sparc.c (def_builtin): Replace calls to
3928 lang_hooks.builtin_function with add_builtin_function.
3929 * config/i386/i386.c (def_builtin): Replace calls to
3930 lang_hooks.builtin_function with add_builtin_function.
3931 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3932 lang_hooks.builtin_function with add_builtin_function.
3933 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3934 lang_hooks.builtin_function with add_builtin_function.
3935 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3936 Replace calls to lang_hooks.builtin_function with
3937 add_builtin_function.
3938 * config/iq2000/iq2000.c (def_builtin):
3939 Replace calls to lang_hooks.builtin_function with
3940 add_builtin_function.
3941 * config/ia64/ia64.c (def_builtin): Replace calls to
3942 lang_hooks.builtin_function with add_builtin_function.
3943 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3944 lang_hooks.builtin_function with add_builtin_function.
3945 (altivec_init_builtins): Replace calls to
3946 lang_hooks.builtin_function with add_builtin_function.
3947 * config/arm/arm.c (def_mbuiltin): Replace calls to
3948 lang_hooks.builtin_function with add_builtin_function.
3949 (arm_init_tls_builtins): Replace calls to
3950 lang_hooks.builtin_function with add_builtin_function.
3951 * config/mips/mips.c (mips_init_builtins): Replace calls to
3952 lang_hooks.builtin_function with add_builtin_function.
3953 * config/bfin/bfin.c (def_builtin): Replace calls to
3954 lang_hooks.builtin_function with add_builtin_function.
3955 * langhooks-def.h (lhd_builtin_function): New function.
3956 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3958 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3960 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3961 BUILT_IN_STRNCAT_CHK.
3963 2006-10-23 Jan Hubicka <jh@suse.cz>
3965 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3966 don't do conversion from memmove to memcpy here.
3967 (expand_builtin_bcopy, expand_builtin): Update call of
3968 expand_builtin_memmove.
3969 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3971 2006-10-23 Paul Brook <paul@codesourcery.com>
3973 * stor-layout.c (start_record_layout): maximum_field_alignment
3974 overrides STRUCTURE_SIZE_BOUNDARY.
3976 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3978 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3979 nonlocal function symbols if flag_pic.
3981 2006-10-23 Richard Guenther <rguenther@suse.de>
3985 * builtins.c (fold_binary): Remove checks for flag_wrapv
3986 and flag_trapv where negate_expr_p covers these cases.
3988 2006-10-23 Richard Guenther <rguenther@suse.de>
3991 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3992 of two on the absolute value.
3993 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3994 and negating -C does not overflow.
3996 2006-10-23 Richard Guenther <rguenther@suse.de>
3999 * convert.c (convert_to_real): Fold (float)-x to -(float)x
4000 only if not flag_rounding_math.
4002 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4003 Kaz Kojima <kkojima@gcc.gnu.org>
4006 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4007 SImode memory reference for the source of a movua.
4008 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4009 (movua): Use an unspec instead of sign_extract. Expect the source
4010 to have mode BLKmode.
4011 (extv, insv): Use a BLKmode rather than SImode memory reference
4012 for the source of a movua.
4014 2006-10-22 Jeff Law <law@redhat.com>
4015 Richard Guenther <rguenther@suse.de>
4017 PR tree-optimization/15911
4018 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4019 (register_edge_assert_for_1): Likewise.
4020 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4021 (find_conditional_asserts): Adjust for new function signature.
4022 (find_assert_locations): Likewise.
4024 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4026 * config/i386/tmmintrin.h: Remove the duplicated content.
4028 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4030 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4031 (x86_64-*-*): Likewise.
4033 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4034 (override_options): Check SSSE3.
4035 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4036 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4037 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4038 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4039 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4040 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4041 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4042 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4043 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4044 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4045 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4046 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4047 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4048 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4049 IX86_BUILTIN_PABSD128.
4050 (bdesc_2arg): Add SSSE3.
4051 (bdesc_1arg): Likewise.
4052 (ix86_init_mmx_sse_builtins): Support SSSE3.
4053 (ix86_expand_builtin): Likewise.
4054 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4056 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4057 (UNSPEC_PSIGN): Likewise.
4058 (UNSPEC_PALIGNR): Likewise.
4059 Include mmx.md before sse.md.
4061 * config/i386/i386.opt: Add -mssse3.
4063 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4064 (ssse3_phaddwv4hi3): Likewise.
4065 (ssse3_phadddv4si3): Likewise.
4066 (ssse3_phadddv2si3): Likewise.
4067 (ssse3_phaddswv8hi3): Likewise.
4068 (ssse3_phaddswv4hi3): Likewise.
4069 (ssse3_phsubwv8hi3): Likewise.
4070 (ssse3_phsubwv4hi3): Likewise.
4071 (ssse3_phsubdv4si3): Likewise.
4072 (ssse3_phsubdv2si3): Likewise.
4073 (ssse3_phsubswv8hi3): Likewise.
4074 (ssse3_phsubswv4hi3): Likewise.
4075 (ssse3_pmaddubswv8hi3): Likewise.
4076 (ssse3_pmaddubswv4hi3): Likewise.
4077 (ssse3_pmulhrswv8hi3): Likewise.
4078 (ssse3_pmulhrswv4hi3): Likewise.
4079 (ssse3_pshufbv16qi3): Likewise.
4080 (ssse3_pshufbv8qi3): Likewise.
4081 (ssse3_psign<mode>3): Likewise.
4082 (ssse3_psign<mode>3): Likewise.
4083 (ssse3_palignrti): Likewise.
4084 (ssse3_palignrdi): Likewise.
4085 (abs<mode>2): Likewise.
4086 (abs<mode>2): Likewise.
4088 * config/i386/tmmintrin.h: New file.
4090 * doc/extend.texi: Document SSSE3 built-in functions.
4092 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4094 2006-10-22 Ira Rosen <irar@il.ibm.com>
4096 * tree-vect-transform.c (vectorizable_load): Use the type of the
4097 return value of the mask_for_load builtin to create realign_load
4100 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4102 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4105 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4107 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4108 (UNSPEC_LDDQU): This.
4109 * config/i386/sse.md (sse3_lddqu): Updated.
4111 2006-10-21 Richard Guenther <rguenther@suse.de>
4113 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4114 (expand_builtin): Use it to expand lrint instead of
4115 expand_builtin_mathfn.
4117 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4120 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4121 flag_unsafe_math_optimizations is set.
4123 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4126 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4127 patterns to use memory input operand in x87->mem->XMM
4128 reload sequences. Skip transformation for TARGET_K8.
4130 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4132 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4133 force operand1 to register if both operands are memory operands.
4134 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4135 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4136 if both operands are memory operands.
4137 (truncdfsf2): Do not force operand1 to register if both operands
4138 are memory operands.
4140 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4142 * Makefile.in (LIBS): Add $(GMPLIBS).
4143 * doc/install.texi: Update GMP and MPFR requirements.
4144 * doc/sourcebuild.texi (need_gmp): Delete.
4146 2006-10-21 Richard Guenther <rguenther@suse.de>
4148 PR tree-optimization/3511
4149 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4150 got new invariant arguments during PHI translation.
4152 2006-10-21 Richard Guenther <rguenther@suse.de>
4155 * fold-const.c (fold_comparison): Fold signed comparisons
4156 of the form X +- C1 CMP Y +- C2.
4158 2006-10-21 Richard Guenther <rguenther@suse.de>
4161 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4162 if flag_unsafe_math_optimizations is specified. We have
4163 flag_finite_math_only for that.
4164 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4165 or flag_unsafe_math_optimizations.
4167 2006-10-21 Richard Guenther <rguenther@suse.de>
4169 * builtins.c (fold_builtin_classify): Fix typo.
4171 2006-10-21 Richard Guenther <rguenther@suse.de>
4174 * simplify-rtx.c (simplify_const_relational_operation):
4175 Do not constant-fold ORDERED and UNORDERED for
4176 flag_unsafe_math_optimizations but only we do not need to
4177 honor NaNs for the given mode.
4179 2006-10-21 Richard Guenther <rguenther@suse.de>
4182 * config/i386/i386.c (classify_argument): Remove redundant
4183 walking of the BINFOs.
4184 (contains_128bit_aligned_vector_p): Likewise.
4186 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4188 * BASE-VER: Set to 4.3.0.
4190 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4192 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4193 (tree_decl_with_vis): Remove artificial_pta_var flag.
4194 * tree-flow.h (referenced_var_check_and_insert): Expose.
4195 (nonlocal_all): New prototype.
4196 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4197 (nonlocal_all): Make global.
4198 (nonlocal_lookup): Remove.
4199 (nonlocal_insert): Ditto.
4200 (create_nonlocal_var): Do not call nonlocal_insert.
4201 (get_nonlocal_id_for_type): Remove.
4202 (find_global_initializers): Mark new vars we find for renaming.
4203 (intra_create_variable_infos): Only create one nonlocal.
4204 (expand_nonlocal_solutions): Remove.
4205 (compute_points_to_sets): Don't call it.
4206 (ipa_pta_execute): Ditto.
4207 (init_alias_heapvars): Don't create nonlocal_for_type.
4208 (delete_alias_heapvars): Don't remove it.
4209 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4212 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4214 * doc/install.texi (Downloading GCC): Clarify mention of
4215 Fortran in the "full distribution" description.
4217 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4219 Fix PR tree-optimization/28778
4220 Fix PR tree-optimization/29156
4221 Fix PR tree-optimization/29415
4222 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4223 (tree_decl_with_vis): Add artificial_pta_var flag.
4224 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4225 pushed into callers.
4226 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4227 (nonlocal_all): Ditto.
4228 (struct variable_info): Add directly_dereferenced member.
4229 (var_escaped_vars): New variable.
4230 (escaped_vars_tree): Ditto.
4231 (escaped_vars_id): Ditto.
4232 (nonlocal_vars_id): Ditto.
4233 (new_var_info): Set directly_dereferenced.
4234 (graph_size): New variable
4235 (build_constraint_graph): Use graph_size.
4236 (solve_graph): Don't process constraints that cannot change the
4237 solution, don't try to propagate an empty solution to our
4239 (process_constraint): Set directly_dereferenced.
4240 (could_have_pointers): New function.
4241 (get_constraint_for_component_ref): Don't process STRING_CST.
4242 (nonlocal_lookup): New function.
4243 (nonlocal_insert): Ditto.
4244 (create_nonlocal_var): Ditto.
4245 (get_nonlocal_id_for_type): Ditto.
4246 (get_constraint_for): Allow results vector to be empty in the case
4247 of string constants.
4248 Handle results of calls properly.
4249 (update_alias_info): Update alias info stats on number and type of
4251 (find_func_aliases): Use could_have_pointers.
4252 (make_constraint_from_escaped): Renamed from
4253 make_constraint_to_anything, and changed to make constraints from
4255 (make_constraint_to_escaped): New function.
4256 (find_global_initializers): Ditto.
4257 (create_variable_info_for): Make constraint from escaped to any
4258 global variable, and from any global variable to the set of
4260 (intra_create_variable_infos): Deal with escaped instead of
4261 pointing to anything.
4262 (set_uids_in_ptset): Do type pruning on directly dereferenced
4264 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4265 (init_base_vars): Fix comment, and initialize escaped_vars.
4266 (need_to_solve): Removed.
4267 (find_escape_constraints): New function.
4268 (expand_nonlocal_solutions): Ditto.
4269 (compute_points_to_sets): Call find_escape_constraints and
4270 expand_nonlocal_solutions.
4271 (delete_points_to_sets): Don't fall off the end of the graph.
4272 (init_alias_heapvars): Initialize nonlocal_for_type and
4274 (delete_alias_heapvars): Free nonlocal_for_type and null out
4277 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4279 * fold-const.c (add_double): Rename to add_double_with_sign.
4280 Add 'unsigned_p' parameter and take it into account for the overflow.
4281 (mul_double): Rename to mul_double_with_sign.
4282 Add 'unsigned_p' parameter and take it into account for the overflow.
4283 (fold_div_compare): Call add_double_with_sign instead of add_double
4284 and mul_double_with_sign instead of mul_double, passing them the
4285 unsignedness of the type.
4286 * tree.h (add_double): Macroize.
4287 (add_double_with_sign): New prototype.
4288 (mul_double): Macroize.
4289 (mul_double_with_sign): New prototype.
4291 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4293 * config/score/crti.asm: New file.
4294 * config/score/crtn.asm: New file.
4295 * config/score/elf.h: New file.
4296 * config/score/mac.md: New file.
4297 * config/score/misc.md: New file.
4298 * config/score/mul-div.S: New file.
4299 * config/score/predicates.md: New file.
4300 * config/score/score7.md: New file.
4301 * config/score/score.c: New file.
4302 * config/score/score-conv.h: New file.
4303 * config/score/score.h: New file.
4304 * config/score/score.md: New file.
4305 * config/score/score-mdaux.c: New file.
4306 * config/score/score-mdaux.h: New file.
4307 * config/score/score-modes.def: New file.
4308 * config/score/score.opt: New file.
4309 * config/score/score-protos.h: New file.
4310 * config/score/score-version.h: New file.
4311 * config/score/t-score-elf: New file.
4312 * config.gcc: Add score*-*-* configurations(Update before).
4313 * doc/invoke.texi (Score Options): New section.
4314 * doc/md.texi (Score family): New section to document constraints.
4316 2006-10-19 Nick Clifton <nickc@redhat.com>
4318 * config/arm/arm.c: Fix spelling typo.
4320 2006-10-18 Tom Tromey <tromey@redhat.com>
4322 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4324 2006-10-18 Jan Hubicka <jh@suse.cz>
4327 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4330 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4332 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4333 TSI_SAME_STMT, since that's the desired entity.
4335 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4337 * config/s390/contraints.md: New file.
4338 * config/s390/s390-protos.h (s390_mem_constraint,
4339 s390_O_constraint_str, s390_N_constraint_str,
4340 s390_float_const_zero_p): Function prototypes added.
4341 * config/s390/s390.c (s390_extra_constraint_str,
4342 s390_const_double_ok_for_constraint_p,
4343 s390_const_ok_for_constraint_p): Functions removed.
4344 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4345 s390_float_const_zero_p): New functions.
4346 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4347 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4348 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4349 Macro definitions removed.
4350 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4351 s390_extra_constraint_str): Functions removed.
4353 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4354 Richard Sandiford <richard@codesourcery.com>
4357 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4358 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4360 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4362 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4363 (DWARF2_FRAME_REG_OUT): Likewise.
4364 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4365 (DWARF2_FRAME_REG_OUT): Likewise.
4367 2006-10-17 Paul Brook <paul@codesourcery.com>
4369 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4371 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4373 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4374 Standardize on "GNU Fortran" as the official name of the Fortran
4377 2006-10-16 Mike Stump <mrs@apple.com>
4379 * doc/invoke.texi (Darwin Options): Document -mkernel.
4380 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4382 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4383 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4384 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4385 (OS_MISSING_ALTIVEC): Add.
4386 * config/i386/i386.c (override_options): Add
4387 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4388 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4389 -mkernel, -static or -mdynamic-no-pic is given.
4390 (C_COMMON_OVERRIDE_OPTIONS): Add.
4391 * config/darwin.opt (fapple-kext): Add.
4393 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4394 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4396 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4397 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4398 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4399 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4400 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4401 (flag_mkernel): Add.
4402 (flag_apple_kext): Add.
4403 (TARGET_KEXTABI): Add.
4404 * config/darwin.c (darwin_handle_kext_attribute): Add.
4405 (DARWIN_VTABLE_P): Add.
4406 (darwin_binds_local_p): Add partial support for rebinding vtables
4408 (darwin_kextabi_p): Add.
4409 (darwin_override_options): Add.
4410 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4411 (darwin_kextabi_p): Add.
4412 (darwin_override_options): Add.
4413 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4414 __DYNAMIC__ and __STATIC__ here.
4416 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4418 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4419 Added mention of "make pdf" target, and Texinfo requirements for
4422 2006-10-16 DJ Delorie <dj@redhat.com>
4424 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4425 into the GOT in case we need a subreg of the address.
4427 2006-10-16 Richard Guenther <rguenther@suse.de>
4430 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4431 SSE builtin documentation. Document SSE2 builtins.
4433 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4435 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4436 symbol in the output file for non-shared links when -nostdlib or
4437 -nodefaultlibs isn't specified.
4439 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4440 posix thread support.
4442 2006-10-15 Jan Hubicka <jh@suse.cz>
4445 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4446 declared always_inline even when not inlining.
4448 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4449 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4450 Andrew Pinski <pinskia@gmail.com>
4453 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4455 2006-10-15 Jan Hubicka <jh@suse.cz>
4456 Richard Guenther <rguenther@suse.de>
4459 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4460 process_function_and_variable_attributes on all variables, including
4461 those discovered during cgraph construction phase.
4463 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4465 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4467 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4469 * config/i386/athlon.md (athlon_fist): Add fisttp.
4471 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4472 Ian Lance Taylor <ian@airs.com>
4475 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4476 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4479 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4481 * config/score/score.c, config/score/score.h: Fix comment
4484 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4487 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4490 2006-10-13 Eric Christopher <echristo@apple.com>
4492 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4494 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4497 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4498 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4499 alignment supported by 32-bit ELF.
4501 2006-10-13 Eric Christopher <echristo@apple.com>
4503 * config/darwin.c (darwin_emit_unwind_label): Strip
4504 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4506 2006-10-13 Richard Guenther <rguenther@suse.de>
4508 PR tree-optimization/29446
4509 * tree-vrp.c (fix_equivalence_set): Remove.
4510 (extract_range_from_assert): Do not call fix_equivalence_set.
4511 (debug_value_range): Print a newline.
4512 (compare_name_with_value): For equivalence sets with
4513 inconsistent value ranges conservatively bail out.
4514 (compare_names): Likewise.
4516 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4518 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4519 and MPFR for gfortran.
4521 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4523 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4524 alignment supported by 32-bit ELF.
4526 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4530 * c-typeck.c (digest_init): Always allow initializing vectors
4531 that have static storage duration with compound literals.
4532 * tree.c (build_type_attribute_qual_variant): New, based on
4533 build_type_attribute_variant.
4534 (build_type_attribute_variant): Rewrite using the former.
4535 (make_vector_type): Use build_type_attribute_qual_variant to build
4536 type variants. Use type_hash_canon on the others.
4538 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4539 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4541 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4543 2006-10-12 Jan Hubicka <jh@suse.cz>
4546 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4547 current_function_decl is set but current_function_scope is not.
4549 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4551 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4552 emit_insn to emit eh_return_internal instruction.
4553 (eh_return_internal): Explicitly set pc.
4555 2006-10-11 Richard Guenther <rguenther@suse.de>
4557 PR tree-optimization/28230
4558 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4559 to the correct place.
4561 2006-10-11 Richard Guenther <rguenther@suse.de>
4564 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4567 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4569 * configure.ac: Added pdf to "Make-hooks"
4570 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4571 targets and *.pdf file patterns in cleanup targets.
4572 * configure: Regenerated.
4574 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4576 * config/avr/predicates.md: New file.
4577 * config/avr/avr.md: Include it.
4578 (REG_SP): New constant.
4579 (peepholes): Use predicates.
4580 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4581 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4582 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4584 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4586 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4589 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4592 * builtins.c (var_decl_component_p): New function.
4593 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4594 single entry optimization to variables and components thereof.
4596 2006-10-10 Richard Guenther <rguenther@suse.de>
4598 PR rtl-optimization/29323
4599 * except.c (set_nothrow_function_flags): For functions
4600 that do not bind local bail out early.
4602 2006-10-10 Ben Elliston <bje@au.ibm.com>
4604 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4607 2006-10-09 Richard Henderson <rth@redhat.com>
4609 Revert emutls patch.
4611 2006-10-09 Richard Guenther <rguenther@suse.de>
4614 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4617 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4620 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4621 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4622 * configure: Regenerate.
4623 * config.in: Regenerate.
4625 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4627 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4629 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4631 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4632 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4633 Remove stray newline.
4635 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4637 * config/mips/mips.c (mips_classify_symbol): Do not return
4638 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4639 (mips_in_small_data_p): Tweak comments.
4641 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4643 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4645 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4647 * gimplify.c, sched-int.h: Fix comment typos.
4649 * sched-int.h: Fix comment typos.
4651 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4653 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4655 * sched-ebb.c (begin_schedule_ready): Use them.
4656 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4657 add_to_speculative_block, create_check_block_twin, speculate_insn,
4658 fix_jump_move, move_block_after_check): Ditto.
4659 * sched-rgn.c (new_ready): Ditto.
4661 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4663 PR rtl-optimization/29128
4664 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4665 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4666 allow interblock movement of speculation checks.
4668 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4671 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4672 casted to integer type.
4673 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4674 if they are significantly more expensive than [reg + index] ones.
4676 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4678 PR tree-optimization/29330
4679 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4680 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4681 on newly allocated ddrs.
4682 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4683 to VEC (loop_p, heap) pointer.
4684 (compute_data_dependences_for_loop): Adjust caller.
4685 (free_dependence_relations): Free DDR_LOOP_NEST.
4687 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4688 free DEPENDENCE_RELATIONS and DATAREFS.
4691 * builtins.c (expand_builtin_sync_operation,
4692 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4693 Use convert_to_mode to handle promoted arguments.
4695 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4697 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4699 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4701 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4703 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4705 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4706 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4707 Use <modeconstraint> instead of "r" as operand 1 constraint.
4709 2006-10-06 Olivier Hainque <hainque@adacore.com>
4711 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4712 Don't recurse on the pointed-to type.
4713 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4714 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4715 types with components of variable size.
4717 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4719 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4721 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4723 PR tree-optimization/29290
4724 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4728 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4729 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4732 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4733 the number of vector elements fill the rest with zeros.
4735 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4737 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4738 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4741 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4743 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4744 unnamed pattern into subsi3. Use correct constraints/predicates.
4745 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4746 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4748 2006-10-05 Ira Rosen <irar@il.ibm.com>
4750 * doc/loop.texi: Add data references analysis description.
4752 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4754 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4756 2006-10-04 Richard Henderson <rth@redhat.com>
4757 Jakub Jelinek <jakub@redhat.com>
4759 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4760 * builtin-types.def (BT_WORD): Make unsigned.
4761 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4762 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4763 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4764 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4765 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4766 * cgraph.c (decide_is_variable_needed): Look at force_output.
4767 Recurse for emulated tls.
4768 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4769 checks redundant with decide_is_variable_needed.
4770 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4771 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4773 * expr.c (emutls_var_address): New.
4774 (expand_expr_real_1): Expand emulated tls.
4775 (expand_expr_addr_expr_1): Likewise.
4776 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4777 * output.h (emutls_finish): Declare.
4778 * toplev.c (compile_file): Call it.
4779 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4780 address before wrapping in CONST.
4781 * varasm.c (emutls_htab, emutls_object_type): New.
4782 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4783 (get_emutls_object_name, get_emutls_object_type): New.
4784 (get_emutls_init_templ_addr, emutls_decl): New.
4785 (emutls_common_1, emutls_finish): New.
4786 (assemble_variable): When emulating tls, swap decls; generate
4787 constructor for the emutls objects.
4788 (do_assemble_alias): When emulating tls, swap decl and target name.
4789 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4791 * emutls.c: New file.
4792 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4793 tls_object for real tls.
4795 2006-10-04 Zack Weinberg <zackw@panix.com>
4797 Fix bug in constraint-check generator, reported by Rask Ingemann
4799 * genpreds.c (add_constraint): Don't remove anything from the
4801 (write_tm_constrs_h): Detect whether "op" argument is used, and
4802 mark it ARG_UNUSED if it isn't.
4803 (write_insn_const_int_ok_for_constraint): Skip the part of the
4804 expression that would test whether "op" (which is not available
4805 here) is a CONST_INT.
4807 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4810 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4812 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4814 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4815 current Leopard versions.
4816 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4818 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4820 * doc/install.texi: Fix typos.
4822 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4824 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4825 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4826 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4828 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4830 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4831 arg to be struct mach_header_64* instead.
4833 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4836 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4837 side effects after the outer expression's post side effects.
4839 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4841 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4842 comments to reflect actual behavior and relationship between
4843 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4845 * doc/c-tree.texi (Working with declarations): Fix documentation
4846 of FIELD_DECL likewise.
4848 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4851 * doc/extend.texi: Add used variable attribute description.
4853 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4856 * c.opt (Woverride-init): New.
4857 * c-opts.c (c_common_post_options): Default warn_override_init to
4859 * c-typeck.c (add_pending_init, output_init_element): Warn for
4860 overriding initializers without side effects.
4861 * doc/invoke.texi (-Woverride-init): Document.
4864 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4866 PR rtl-optimization/28096
4867 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4868 assignment has already been used as a destination earlier in the block.
4870 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4872 * builtins.c (expand_builtin_setjmp): Delete.
4873 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4874 <BUILT_IN_SETJMP_SETUP>: New case.
4875 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4876 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4877 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4878 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4879 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4880 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4881 (lower_function_body): Initialize it to false. If it is set to true
4882 at the end of the processing, emit the setjmp dispatcher.
4883 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4884 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4885 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4886 on the rhs of the assignment.
4887 (lower_builtin_setjmp): New function.
4888 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4889 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4890 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4891 to detect calls that can go to non-local labels. Use specific
4892 helper to create the abnormal edges associated with them.
4893 <MODIFY_EXPR>: Likewise.
4894 (make_abnormal_goto_edges): New function extracted from...
4895 (make_goto_expr_edges): ...here. Call it for computed gotos.
4896 (simple_goto_p): Minor tweak.
4897 (tree_can_make_abnormal_goto): New predicate.
4898 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4899 (tree_purge_dead_abnormal_call_edges): New function.
4900 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4901 (tree_purge_dead_abnormal_call_edges): Likewise.
4902 (make_abnormal_goto_edges): Likewise.
4903 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4904 Purge all dead abnormal edges if the call was in the last statement.
4905 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4906 (execute_fixup_cfg): If there are non-local labels in the function,
4907 scan the basic blocks and split them at calls that can go to non-local
4908 labels or add missing abnormal call edges. Write down the CFG in the
4910 (pass_fixup_cfg): Remove TODO_dump_func flag.
4911 * unwind-sjlj.c: Poison setjmp.
4912 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4913 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4914 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4915 (DONT_USE_BUILTIN_SETJMP): Document it.
4917 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4920 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4921 to 1 when __ppc64__ is defined.
4922 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4924 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4926 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4928 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4929 * config/ia64/unwind-hpux.c: Delete.
4931 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4933 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4934 on the element before gimplifying it, instead of punting if it is of
4937 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4939 * doc/loop.texi: New file.
4940 * doc/gccint.texi: Reference loop.texi.
4941 * Makefile.in (loop.texi): Add.
4943 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4945 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4947 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4948 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4950 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4952 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4954 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4956 * doc/install.texi: Document required versions of GMP and MPFR.
4958 2006-09-27 Paul Brook <paul@codesourcery.com>
4961 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4963 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4965 * reload1.c (alter_reg): Require the alignment of the stack slot to
4966 be at least reg_max_ref_width bytes.
4967 (scan_paradoxical_subregs): Record the largest width in
4970 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4974 * tree-nested.c (struct nesting_info): Added static_chain_added.
4975 (convert_call_expr): Set static_chain_added when adding static
4976 chain. Handle OMP_PARALLEL and OMP_SECTION.
4978 2006-09-25 Matthias Klose <doko@debian.org>
4980 * doc/invoke.texi: Add missing full stop.
4982 2006-09-25 Richard Henderson <rth@redhat.com>
4984 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4985 before cgraph_function_flags_ready.
4987 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4988 Adam Nemet <anemet@caviumnetworks.com>
4990 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4991 determine_common_wider_type): New functions.
4992 (get_computation_aff): Use them to simplify arithmetic between
4993 UBASE and CBASE if they are shortened from the same type.
4995 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4998 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4999 -2147483647 - 1 instead of 0x80000000.
5001 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
5003 * flags.h (HONOR_NANS): Fix typo in comment.
5005 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5007 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5009 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5013 * tree.c (merge_attributes, attribute_list_contained): If both
5014 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5016 * c-typeck.c (comptypes_internal): Don't consider aggregates
5017 in different TUs as compatible if there one set of attributes is
5018 not a subset of the other type's attributes.
5019 (composite_type): Try harder not to create a new aggregate type.
5021 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5023 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5024 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5025 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5026 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5027 than replicating condition above.
5028 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5030 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5031 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5032 the linker by default.
5034 2006-09-22 Mike Stump <mrs@apple.com>
5036 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5039 2006-09-22 Richard Guenther <rguenther@suse.de>
5042 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5043 sort of stack variables stable.
5045 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5048 * explow.c (force_reg): Set REG_POINTER flag according to
5051 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5053 PR tree-optimization/28888
5054 * tree-if-conv.c (combine_blocks): Rewritten.
5055 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5056 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5058 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5060 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5063 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5065 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5067 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5069 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5071 2006-09-21 Roger Sayle <roger@eyesopen.com>
5074 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5075 dw_fde_current_label, to be the start of the function, i.e. the same
5076 value as dw_fde_begin.
5078 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5080 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5081 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5082 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5083 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5084 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5085 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5086 (abs<mode>2, neg<mode>2): Likewise.
5087 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5088 (*mips_abs_ps): New define_insn.
5090 2006-09-20 Josh Conner <jconner@apple.com>
5093 * calls.c (expand_call): Allow reuse of structure return stack
5096 2006-09-20 Paul Brook <paul@codesourcery.com>
5098 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5101 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5103 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5104 clean up terminology.
5106 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5109 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5110 with tablejumps in them.
5112 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5115 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5116 wrap it into TARGET_EXPR.
5118 2006-09-20 Eric Christopher <echristo@apple.com>
5120 * config/i386/i386.c (x86_fisttp): Remove.
5121 * config/i386/i386.h (x86_fisttp): Ditto.
5122 (TARGET_FISTTP): Ditto.
5124 2006-09-19 Eric Christopher <echristo@apple.com>
5126 * doc/tm.texi (OBJC_JBLEN): Describe.
5127 * config/i386/darwin.h (OBJC_JBLEN): Define.
5128 * config/rs6000/darwin.h: Ditto.
5130 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5132 PR rtl-optimization/21299
5133 * reload1.c (reload): Purge invalid ASMs in the final pass.
5135 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5138 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5139 pointers as legitimate constants.
5141 2006-09-19 Paul Brook <paul@codesourcery.com>
5144 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5146 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5148 PR tree-optimization/28887
5149 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5150 component parts from the reference.
5151 (gather_memory_references_ref): Record the reference without the
5152 nonaddressable component parts.
5154 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5157 * c-opts.c (c_common_handle_option): Ignore the -std options
5158 if the input language is assembly.
5160 2006-09-17 Ira Rosen <irar@il.ibm.com>
5163 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5165 (ptr_ptr_may_alias_p): Likewise.
5166 (record_record_differ_p): New function.
5167 (base_object_differ_p): Call record_record_differ_p.
5169 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5172 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5173 away for the expr argument.
5175 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5178 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5179 before using it for dumping after vectorizing loops.
5181 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5182 Jack Howarth <howarth@bromo.med.uc.edu>
5185 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5186 skip on error_mark_node.
5187 (rs6000_darwin64_record_arg_recurse): Likewise.
5189 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5191 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5192 * doc/rtl.texi: Remove related documentation.
5194 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5196 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5199 2006-09-15 Jim Wilson <wilson@specifix.com>
5201 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5202 Handle symbol offsets same as they are handled in ia64_expand_move
5205 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5207 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5208 Add forgotten parameter to the fprintf call.
5210 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5212 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5214 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5216 * doc/contrib.texi: Add my entry.
5218 2006-09-15 Nick Clifton <nickc@redhat.com>
5220 * doc/md.texi (Processor pipeline description): Fix typo in
5221 example of how to use the absence_set directive and reword the
5222 description to make it slightly easier to read.
5224 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5226 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5227 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5228 expanding the number of iterations.
5229 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5231 * cfgrtl.c (emit_insn_at_entry): New function.
5232 * rtl.h (emit_insn_at_entry): Declare it.
5233 * integrate.c (emit_initial_value_sets): Use it.
5235 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5237 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5239 (struct loop_work and related VEC declarations): Delete.
5240 (bfin_dump_loops): Print out new member bad.
5241 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5242 (bfin_scan_loop): Don't recurse.
5243 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5244 loops. No longer need to update outer loops if the current one is
5245 found bad. Move some validitiy checks to bfin_discover_loop.
5246 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5247 but changed not to check for nesting. Also changed to use the new bad
5249 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5250 time. Use bitmap based test to discover loop nesting.
5252 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5254 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5257 2006-09-14 Richard Guenther <rguenther@suse.de>
5258 Kazu Hirata <kazu@codesourcery.com>
5260 PR middle-end/28884.
5261 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5262 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5263 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5264 with TARGET_FUNCTION_VALUE.
5266 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5269 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5271 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5273 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5276 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5279 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5282 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5284 * basic_block.h (bb_has_eh_pred): Fix comment.
5286 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5288 * flow.c (calculate_global_regs_live): Invalidate eh registers
5289 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5290 (propagate_block): Handle eh registers as if they were set at basic
5292 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5294 * global.c (global_conflicts): Make eh registers to conflict with
5295 pseudos live at basic block begin.
5296 * basic_block.h (bb_has_eh_pred): New function.
5298 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5300 PR rtl-optimization/28982
5301 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5302 index of a PRE_MODIFY or POST_MODIFY address.
5303 * reload1.c (inc_for_reload): Use find_replacement on the original
5304 base and index registers.
5306 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5308 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5309 for -Os. Update __m128 alignment requirement.
5311 2006-09-13 Jan Hubicka <jh@suse.cz>
5313 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5315 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5317 PR rtl-optimization/28243
5318 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5319 the insn to which the note was originally attached.
5321 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5322 Roger Sayle <roger@eyesopen.com>
5324 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5325 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5326 on platforms that don't use dwarf for debug info.
5328 2006-09-12 Jason Merrill <jason@redhat.com>
5331 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5332 hard_frame_pointer_rtx after using it to update the frame pointer.
5334 2006-09-12 Roger Sayle <roger@eyesopen.com>
5336 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5337 (TARGET_ASM_CLOSE_PAREN): Likewise.
5338 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5339 (TARGET_ASM_CLOSE_PAREN): Likewise.
5341 2006-09-12 Roger Sayle <roger@eyesopen.com>
5344 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5345 frame information for frames larger than 512 Kbytes on Tru64 when
5346 using the native assembler.
5348 2006-09-12 Roger Sayle <roger@eyesopen.com>
5352 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5353 and symbols. Instead use the implementation from cse.c's hash_rtx.
5355 2006-09-12 Jan Hubicka <jh@suse.cz>
5357 PR rtl-optimization/28071
5358 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5359 (vect_transform_loop): Likewise.
5360 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5361 (new_loop_vec_info): Likewise.
5362 (destroy_loop_vec_info): Likewise.
5363 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5364 (create_stmt_ann): Likewise.
5365 (create_tree_ann): Rename to ...
5366 (create_tree_common_ann): ... this one; allocate only the common part
5368 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5369 (get_value_handle): Likewise.
5370 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5371 get_tree_common_ann.
5372 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5373 (vinfo_for_stmt): Use stmt annotations.
5374 * tree-flow.h (tree_ann_common_t): New type.
5375 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5376 (tree_ann, get_tree_ann, create_tree_ann): New.
5377 * tree-flow-inline.h (get_function_ann): Do more type checking.
5378 (stmt_ann): Likewise.
5379 (tree_ann): Rename to ...
5380 (tree_common_ann): ... this one; return ony common_ann
5381 (get_tree_ann): Rename to ...
5382 (tree_common_ann): This one; return only common_ann.
5383 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5386 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5388 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5389 with_cpu by default.
5391 * dwarf2out.c (dwarf_file_data): New.
5392 (enum dw_val_class): Add dw_val_class_file.
5393 (struct dw_val_struct): Add val_file.
5394 (file_table): Change to a hash table.
5395 (file_table_emitted): Delete.
5396 (file_table_last_lookup_index): Delete.
5397 (emitcount): Delete.
5398 (last_emitted_file): New.
5399 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5400 (init_file_table): Delete.
5401 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5402 (AT_addr): Add comment.
5406 (print_die): Handle dw_val_class_file.
5407 (print_dwarf_line_table): Update for new file table structure.
5408 (attr_checksum): Do checksum a filename.
5409 (same_dw_val_p, same_attr_p): Do compare a filename.
5410 (size_of_die): Handle dw_val_class_file.
5411 (value_format): Likewise.
5412 (output_die): Likewise. Also, call maybe_emit_file here.
5413 (struct file_info): Constify filenames. Make file_idx a pointer
5414 to a struct dwarf_file_data.
5415 (struct dir_info): Constify directory names. Remove 'used' field.
5416 (struct file_name_acquire_data): New.
5417 (file_name_acquire): New.
5418 (output_file_names): Modify to handle new file data structures.
5419 (add_src_coords_attributes): Use add_AT_file.
5420 (add_call_src_coords_attributes): Likewise.
5421 (dwarf2out_imported_module_or_decl): Likewise.
5422 (gen_subprogram_die): Modify for new file data structures.
5423 (gen_variable_die): Likewise.
5424 (file_table_eq): New.
5425 (file_table_hash): New.
5426 (file_table_last_lookup): New.
5427 (lookup_filename): Rewrite to handle new file data structures.
5428 (maybe_emit_file): Rewrite to handle new file data structures.
5429 (dwarf2out_source_line): Always call lookup_filename and
5431 (dwarf2out_init): Create file_table here.
5432 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5433 (file_table_relative_p): New.
5434 (dwarf2out_finish): Change detection of relative filenames
5435 to work with new file data structures. Move output_line_info call
5436 after debug_info output.
5438 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5443 * config/i386/i386.c (override_options): Always default to 16
5444 byte stack boundary.
5446 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5449 * var-tracking.c (dump_dataflow_set): Start dumping at
5451 (clobber_variable_part): Kill only the variable part in
5452 registers holding it, leaving other variables alone.
5454 2006-09-11 Josh Triplett <josh@freedesktop.org>
5456 * doc/extend.texi (Other Builtins): Actually use the macro
5457 argument in the documentation example for
5458 __builtin_types_compatible_p.
5460 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5462 PR rtl-optimization/28726
5463 * sched-deps.c (sched_analyze_reg): New function extracted from...
5464 (sched_analyze_1): ...here. Call it to analyze references to
5465 registers. Treat again writes to a stack register as writing to the
5467 (sched_analyze_2): ...and here. Call it to analyze references to
5468 registers. Treat again reads of a stack register as reading the
5471 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5472 David Edelsohn <edelsohn@gnu.org>
5475 * config/rs6000/spe.md (frob_df_di): Remove %H.
5476 (frob_di_df): Remove %H. Change evmergelo to mr.
5477 (frob_di_df_2): Remove %H. Change evldd to two loads.
5479 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5481 * doc/cpp.texi: Fix names of charset options.
5483 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5486 * config/i386/i386.c (override_options): Use 128-bit
5487 stack boundary always for 64bits.
5489 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5491 PR rtl-optimization/28636
5492 * combine.c (force_to_mode): Test for side-effects before
5493 substituting by zero.
5494 (simplify_shift_const): Likewise for zero or other constants.
5496 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5499 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5502 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5505 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5506 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5507 returned by mode_for_size, rather than the mode of src itself,
5508 to choose between 32-bit and 64-bit patterns.
5509 (mips_mem_fits_mode_p): New function.
5510 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5511 that the size of the source matches the size of the destination.
5512 (mov_<store>l, mov_<store>r): Likewise.
5514 2006-09-10 Eric Christopher <echristo@apple.com>
5516 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5519 2006-09-09 Eric Christopher <echristo@apple.com>
5522 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5525 2006-09-09 Roger Sayle <roger@eyesopen.com>
5526 Nicolas Setton <setton@adacore.com>
5528 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5530 2006-09-10 Andreas Schwab <schwab@suse.de>
5532 * config/m68k/m68k.md (bungt_rev): New pattern.
5534 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5535 Dale Johannesen <dalej@apple.com>
5538 * regclass.c (struct reg_pref): Update documentation.
5539 (regclass): Set prefclass to NO_REGS if memory is the best option.
5540 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5542 2006-09-08 Eric Christopher <echristo@apple.com>
5544 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5545 * config/t-slibgcc-darwin: Support x86_64 multilib.
5546 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5547 Return 1 for x86_64-darwin.
5548 * config/i386/t-darwin: Add m64 multilib.
5549 (LIB2_SIDITI_CONV_FUNCS): Use.
5550 (LIB2FUNCS_EXTRA): Ditto.
5551 * config/i386/darwin.h: Support x86_64.
5552 * config/i386/i386.c (override_options): Turn on flag_pic
5553 for x86_64-darwin. Disable flag_omit_pointer.
5554 (get_pc_thunk_name): Assert !TARGET_64BIT.
5555 (legitimate_address_p): Disable machopic addressing for
5557 (legitimize_pic_address): Ditto.
5558 (ix86_expand_move): Ditto.
5559 (ix86_expand_call): Ditto.
5560 (machopic_output_stub): Ditto.
5561 * config/darwin.c (machopic_select_section): Support literal16.
5562 (machopic_select_rtx_section): Ditto.
5563 * config/darwin-sections.def: Ditto.
5564 * config/darwin-64.c: New.
5566 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5569 * c-tree.h (struct c_arg_info): Add pending_sizes.
5570 * c-parser.c (c_parser_parms_declarator,
5571 c_parser_parms_list_declarator): Initialize pending_sizes.
5572 * c-decl.c (get_parm_info): Initialize pending_sizes.
5573 (get_parm_info): Set pending_sizes.
5574 (grokdeclarator): Call put_pending_sizes for parameters for
5575 function definition only.
5577 2006-09-07 Jason Merrill <jason@redhat.com>
5580 * varasm.c (output_constant): Only strip actual no-op conversions.
5583 * config/i386/i386.c (override_options): Use 128-bit
5584 stack boundary if -msse.
5586 2006-09-07 Eric Christopher <echristo@apple.com>
5588 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5590 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5593 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5595 * dwarf2out.c: Remove strange characters from comment above
5596 dwarf2out_frame_debug_expr.
5598 2006-09-07 Eric Christopher <echristo@apple.com>
5600 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5601 * config/darwin.h: ... to here.
5603 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5605 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5607 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5608 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5610 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5611 TARGET_PARTIAL_FLAG_REG_STALL.
5612 (*ashldi3_cconly_rex64): Likewise.
5613 (*ashlsi3_cmp): Likewise.
5614 (*ashlsi3_cconly): Likewise.
5615 (*ashlsi3_cmp_zext): Likewise.
5616 (*ashlhi3_cmp): Likewise.
5617 (*ashlhi3_cconly): Likewise.
5618 (*ashlqi3_cmp): Likewise.
5619 (*ashlqi3_cconly): Likewise.
5620 (*ashrdi3_cmp_rex64): Likewise.
5621 (*ashrdi3_cconly_rex64): Likewise.
5622 (*ashrsi3_cmp): Likewise.
5623 (*ashrsi3_cconly): Likewise.
5624 (*ashrsi3_cmp_zext): Likewise.
5625 (*ashrhi3_cmp): Likewise.
5626 (*ashrhi3_cconly): Likewise.
5627 (*ashrqi3_cmp): Likewise.
5628 (*ashrqi3_cconly): Likewise.
5629 (*lshrdi3_cmp_rex64): Likewise.
5630 (*lshrdi3_cconly_rex64): Likewise.
5631 (*lshrsi3_cmp): Likewise.
5632 (*lshrsi3_cconly): Likewise.
5633 (*lshrsi3_cmp_zext): Likewise.
5634 (*lshrhi3_cmp): Likewise.
5635 (*lshrhi3_cconly): Likewise.
5636 (*lshrqi2_cmp): Likewise.
5637 (*lshrqi2_cconly): Likewise.
5639 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5642 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5643 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5644 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5645 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5646 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5647 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5648 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5649 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5650 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5651 implement only CC setting effects of shift instructions.
5653 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5655 * doc/contrib.texi: Add myself.
5657 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5660 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5661 was set by the user.
5663 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5666 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5667 (divsi_inv_m1): Use them.
5668 (UNSPEC_DIV_INV_TABLE): New constant.
5670 2006-09-06 James E Wilson <wilson@specifix.com>
5673 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5674 then call count_or_remove_death_notes.
5676 2006-09-06 Jason Merrill <jason@redhat.com>
5679 * tree-inline.c (copy_result_decl_to_var): New fn.
5680 (declare_return_variable): Use it. Call declare_inline_vars here.
5681 (expand_call_inline): Not here.
5683 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5685 * doc/contrib.texi: Update my entry.
5687 2006-09-06 Nick Clifton <nickc@redhat.com>
5689 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5691 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5694 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5695 (canonicalize_induction_variables): Likewise.
5696 (tree_unroll_loops_completely): Likewise.
5697 (tree_ssa_prefetch_arrays): Likewise.
5698 (remove_empty_loops): Likewise.
5699 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5700 TODO_cleanup_cfg instead of directly calling
5701 cleanup_tree_cfg_loop.
5702 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5704 (tree_unroll_loops_completely): Likewise.
5705 (remove_empty_loops): Likewise.
5706 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5707 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5708 of tree_ssa_unswitch_loops.
5709 (tree_ssa_loop_ivcanon): Use the return value of
5710 canonicalize_induction_variables.
5711 (tree_ssa_empty_loop): Use the return value of
5713 (tree_complete_unroll): Use the return value of
5714 tree_unroll_loops_completely.
5715 (tree_ssa_loop_prefetch): Use the return value of
5716 tree_ssa_prefetch_arrays.
5717 * passes.c (execute_todo): Before Cleanup CFG, set
5718 updating_used_alone and after cleanup CFG, call
5719 recalculate_used_alone.
5721 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5724 * tree-vect-transform.c (vectorizable_condition): Move the check
5725 for the type after the check for simple condition.
5727 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5728 Kaz Kojima <kkojima@gcc.gnu.org>
5731 * mode-switching.c (optimize_mode_switching): Make the destination
5732 block of an abnormal edge have no anticipatable mode. Don't
5733 insert mode switching code at the end of the source block of
5736 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5738 PR rtl-optimization/26847
5739 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5740 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5741 (simplify_plus_minus): Count n_constants while filling ops. Replace
5742 qsort with insertion sort. Before going through the array to simplify
5743 pairs, sort it. Delay early exit until after the first sort, exiting
5744 only if no swaps occurred. Simplify pairs in reversed order, without
5745 special-casing the first iteration. Pack ops after simplifying pairs.
5747 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5749 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5750 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5751 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5752 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5754 2006-09-05 Richard Guenther <rguenther@suse.de>
5756 PR tree-optimization/28900
5757 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5758 compound conditional before creating COND_EXPR condition.
5760 2006-09-05 Richard Guenther <rguenther@suse.de>
5762 PR tree-optimization/28905
5763 * tree-vrp.c (fix_equivalence_set): Manually implement
5764 !value_ranges_intersect_p to also handle symbolic ranges.
5766 2006-09-05 Richard Guenther <rguenther@suse.de>
5769 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5772 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5774 PR rtl-optimization/27616
5775 * cse.c (table_size): New static variable.
5776 (new_basic_block): Initialize it to 0.
5777 (remove_from_table): Decrement it.
5778 (insert): Increment it.
5779 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5780 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5781 fold_rtx_mem_1 if under the cap.
5782 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5783 the lookup of the equivalent expression and test for equality of the
5784 first operand of the equivalent expression before in turn looking up
5785 an equivalent constant for the second operand.
5787 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5790 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5791 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5792 pointer, instead of assuming it is possible to derive the
5793 correct args size from a call insn.
5795 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5798 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5799 (fold_builtin_mempcpy): Rename to...
5800 (fold_builtin_memory_op): ... this. Optimize one element copy
5802 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5804 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5805 (expand_builtin_memcpy, expand_builtin_mempcpy,
5806 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5807 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5808 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5809 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5811 2006-09-01 DJ Delorie <dj@redhat.com>
5813 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5814 (stzx_16): Likewise.
5815 ("stzx_24_<mode>"): Likewise.
5816 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5817 ("cmp<mode>_op"): New.
5818 (cmp<mode>): Change to expander; just save operands.
5820 (b<code>): Change to expander, emit compare here.
5821 (s<code>_op): Change to use split and expander.
5822 (s<code>_24_op): Likewise.
5823 (s<code>_<mode>): New.
5824 (s<code>_<mode>_24): New.
5825 (movqicc_<code>_<mode): New.
5826 (movhicc_<code>_<mode>): New.
5829 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5830 (m32c_pend_compare): New.
5831 (m32c_unpend_compare): New.
5832 (m32c_expand_scc): New.
5833 (m32c_expand_movcc): Emit the compare also.
5834 * config/m32c/predicates.md (mra_nopp_operand): New.
5836 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5837 Richard Guenther <rguenther@suse.de>
5838 Adam Nemet <anemet@caviumnetworks.com>
5841 * builtins.c (get_pointer_alignment): Handle more forms
5842 of base addresses that can be used to derive more precise
5843 information about alignment.
5845 2006-09-01 Jason Merrill <jason@redhat.com>
5848 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5851 * gimplify.c (voidify_wrapper_expr): Handle null type.
5853 2006-09-01 Josh Conner <jconner@apple.com>
5856 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5857 (execute_return_slot_opt): Use it.
5859 2006-08-31 Josh Conner <jconner@apple.com>
5862 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5863 returning aggregates.
5865 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5867 PR tree-optimization/28839
5868 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5869 blocks in that phi arguments appear.
5871 2006-08-31 Roger Sayle <roger@eyesopen.com>
5874 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5875 NULL, otherwise use an advance_loc4 to adjust relative to the
5877 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5878 (dwarf2out_switch_text_section): Reset the current label to avoid
5879 using advance_loc4 over section boundaries.
5881 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5884 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5885 r12 + SYMBOLIC_CONST.
5887 2006-08-30 Richard Guenther <rguenther@suse.de>
5889 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5891 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5893 PR rtl-optimization/27735
5894 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5895 Add new argument to keep track of whether an irreducible region
5896 was affected. All callers changed.
5897 (fix_irreducible_loops): Removed.
5898 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5899 flags were invalidated.
5901 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5903 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5904 instead of SF operands.
5905 (*fop_df_comm_sse): Likewise.
5906 (*fop_df_comm_i387): Likewise.
5907 (*fop_df_1_mixed): Likewise.
5908 (*fop_df_1_sse): Likewise.
5910 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5911 J"orn Rennecke <joern.rennecke@st.com>
5913 PR tree-optimization/17506
5914 * tree-ssa.c (warn_uninit): If warning about a location outside of
5915 the current function, note where the variable was declared.
5917 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5919 PR tree-optimization/28411
5920 * double-int.c (double_int_div): Use double_int_divmod.
5921 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5922 double_int_mod, double_int_smod, double_int_umod): New functions.
5923 * double-int.h (double_int_divmod, double_int_sdivmod,
5924 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5926 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5928 (get_computation_aff, get_computation_cost_at): Handle double_int
5929 return type of constant_multiple_of.
5931 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5934 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5935 an implicit conversion.
5937 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5939 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5941 2006-08-27 Roger Sayle <roger@eyesopen.com>
5943 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5946 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5948 * config/i386/crtfastmath.c: Fix a comment typo.
5950 2006-08-26 Roger Sayle <roger@eyesopen.com>
5952 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5953 temporary visit flags on CASE_LABEL_EXPRs.
5954 * c-common.c (match_case_to_enum): Add function comment. Avoid
5955 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5956 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5957 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5958 a constant, only warn if that constant value isn't handled.
5960 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5963 * input.h (restore_input_file_stack): Declare.
5964 (INPUT_FILE_STACK_BITS): Define.
5965 * toplev.c (fs_p, input_file_stack_history,
5966 input_file_stack_restored, restore_input_file_stack): New.
5967 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5968 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5969 (pop_srcloc): Don't free old state of stack.
5971 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5974 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5975 (PowerPC Type Attributes): New.
5977 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5979 * config/xtensa/xtensa.c (function_arg_boundary): New.
5980 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5982 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5983 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5985 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5988 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5991 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5993 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5994 (verify_local_live_at_start): Likewise.
5996 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5999 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
6000 omp_add_variable): Treat sizes as variable whenever not
6003 2006-08-26 Richard Guenther <rguenther@suse.de>
6006 * fold-const.c (fold_binary): Fold temporary to correct
6007 type before constructing new comparison.
6009 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6012 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6013 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6015 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6018 * c-decl.c (start_function): Don't try to process prototype
6019 information from old declaration that isn't a function.
6021 2006-08-25 Jan Hubicka <jh@suse.cz>
6024 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6026 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6029 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6032 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6034 PR tree-optimization/16876
6035 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6036 exit if PARM doesn't match VALUE.
6038 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6040 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6041 literal_prefix directive.
6042 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6043 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6044 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6046 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6049 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6050 predicate to general_operand. Add 0->y and I->r alternatives.
6052 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6054 * doc/tm.texi: Fix a typo.
6055 * predict.c: Fix comment typos.
6057 2006-08-25 Nick Clifton <nickc@redhat.com>
6059 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6060 assertions of "cpu" and "machine".
6062 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6065 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6066 the access through a base which has an alias set of 0 cannot
6069 2006-08-24 Bill Wendling <wendling@apple.com>
6071 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6073 2006-08-24 Jan Hubicka <jh@suse.cz>
6075 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6077 2006-08-24 Jan Hubicka <jh@suse.cz>
6080 * cgraph.c: Fix comments.
6081 (cgraph_varpool_mark_needed_node): Mark only variables not already
6083 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6084 (cgraph_varpool_assembled_nodes_queue): New static variable.
6085 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6086 (cgraph_varpool_output_debug_info): New function.
6087 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6088 * Makefile.in: Add gt-cgraphunit.h
6090 2006-08-24 Jan Hubicka <jh@suse.cz>
6092 * predict.c (probability_reliable_p): New predicate.
6093 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6094 (predict_loops): Do not predict loop exit with less than 2%
6096 * basic-block.h (edge_probability_reliable_p,
6097 br_prob_note_reliable_p): Declare.
6098 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6099 prediction when static predictor is not reliable.
6100 * rs6000.c (output_cbranch): Likewise.
6102 2006-08-23 Stuart Hastings <stuart@apple.com>
6105 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6106 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6108 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6111 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6112 complex values, nor for generic vector values.
6114 2006-08-22 Richard Guenther <rguenther@suse.de>
6117 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6118 parameter. Convert arguments to arithmetic expression to the
6120 (analyze_scalar_evolution_1): Adjust caller.
6122 2006-08-22 Jan Hubicka <jh@suse.cz>
6124 Patch by Paolo Bonzini
6125 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6128 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6130 PR tree-optimization/28003
6131 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6132 before grouping aliases.
6134 2006-08-22 Roger Sayle <roger@eyesopen.com>
6136 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6137 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6139 2006-08-21 Jason Merrill <jason@redhat.com>
6142 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6143 wrapper. Loop to handle nested wrappers.
6144 (gimplify_bind_expr): Remove temp parameter.
6145 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6146 and STATEMENT_LIST on the rhs.
6147 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6148 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6149 (gimplify_target_expr): Remove special BIND_EXPR handling.
6151 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6153 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6156 2006-08-21 Olivier Hainque <hainque@adacore.com>
6158 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6159 Arrange for the temporary captures of components overlapping the lhs
6160 to happen before the lhs is possibly cleared.
6162 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6164 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6165 necessary places to pass the correct "number of registers" values
6168 2006-08-20 Jan Hubicka <jh@suse.cz>
6170 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6171 (create_name_tags): Instead of quadratic checking use hashtable.
6172 * bitmap.h: Include hashtab.h.
6173 (bitmap_hash): Declare.
6174 * bitmap.c (bitmap_hash): New function.
6176 2006-08-20 Jan Hubicka <jh@suse.cz>
6178 PR rtl-optimization/28071
6179 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6181 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6182 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6183 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6184 cgraph_decide_inlining_incrementally): Update use of
6185 cgraph_check_inline_limits.
6186 * cgraph.c (edge_hash, edge_eq): New function.
6187 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6188 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6189 cgraph_remove_node): Maintain call site hash.
6190 * cgraph.h (struct cgraph_node): Add call_site_hash.
6191 (cgraph_set_call_stmt): New function.
6193 2006-08-20 Jan Hubicka <jh@suse.cz>
6195 PR rtl-optimization/28071
6196 * reload1.c (reg_has_output_reload): Turn into regset.
6197 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6198 choose_reload_regs, emit_reload_insns): Update to new
6199 reg_has_output_reload.
6201 2006-08-20 Jan Hubicka <jh@suse.cz>
6204 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6205 function body sizes.
6206 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6208 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6211 * tree.c (handle_dll_attribute): Return early if not a
6212 var or function decl.
6214 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6217 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6218 alignment of SPE vector types.
6220 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6222 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6224 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6227 * cgraph.h (struct cgraph_node): Remove externally_visible
6229 * cgraphunit.c (process_function_and_variable_attributes): Set
6230 local.externally_visible rather than externally_visible.
6233 * c-common.c (handle_externally_visible_attribute): First look
6234 at TREE_CODE and only if it is function or var decl, check for
6235 non-public objects. Don't warn for DECL_EXTERNAL.
6236 * cgraphunit.c (process_function_and_variable_attributes): Warn
6237 if externally_visible attribute is used on non-public object.
6239 2006-08-17 Jan Hubicka <jh@suse.cz>
6241 PR tree-optimization/27865
6242 * reload1.c (forget_marked_reloads): New function.
6243 (forget_old_reloads_1): When data are passed, just mark the registers
6245 (reload_as_needed): Use the new mechanizm.
6247 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6250 * reload.h (reg_equiv_alt_mem_list): New declaration.
6251 * reload1.c (reg_equiv_alt_mem_list): New definition.
6252 (reload): Initialize it and release it.
6253 (delete_output_reload): Use it.
6254 * reload.c (push_reg_equiv_alt_mem): New function.
6255 (find_reloads_toplev): Call it.
6256 (find_reloads_address, find_reloads_address_1): Likewise.
6257 (find_reloads_subreg_address): Likewise.
6259 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6261 PR rtl-optimization/28489
6262 * sched-ebb.c (begin_schedule_ready): Create basic block
6264 (advance_target_bb): Skip empty blocks.
6265 * haifa-sched.c (bb_note): Make global.
6266 * sched-int.h (bb_note): Add prototype.
6268 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6270 PR tree-optimization/27865
6271 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6273 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6274 fold_used_pointer, pointer_used_p): New functions.
6275 (analyze_scalar_evolution_1): Use fold_used_pointer.
6276 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6277 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6280 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6283 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6284 or the INTEGER_CST. Fail on a CALL_EXPR.
6285 (fold_offsetof): Pass new argument to fold_offsetof_1.
6286 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6287 operand into an INDIRECT_REF.
6288 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6290 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6292 PR gcov/profile/26570
6293 * value-prof.c (static_values): Removed.
6294 (tree_find_values_to_profile): Do not set static_values.
6295 (find_values_to_profile): Do not free static_values.
6296 * profile.c (instrument_values): Do not free the values.
6297 (branch_prob): Free the values.
6299 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6301 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6303 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6306 * c-typeck.c (build_component_ref): Combine qualifiers of
6307 structure or union and field.
6309 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6311 PR rtl-optimization/28071
6312 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6313 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6314 * tree-into-ssa.c (struct dom_dfsnum): New.
6315 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6317 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6318 compute_global_livein.
6319 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6320 in phi nodes in the correct blocks.
6322 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6324 PR tree-optimization/28364
6325 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6327 (fold_affine_expr): New function.
6328 (may_eliminate_iv): Use fold_affine_expr.
6330 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6333 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6336 2006-08-16 Mike Stump <mrs@apple.com>
6338 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6339 * doc/cppopts.texi (-MD): Likewise.
6341 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6344 * c-common.c (handle_weak_attribute): Ignore and warn if
6345 not a FUNCTION_ or VAR_DECL.
6347 2006-07-15 Mike Stump <mrs@apple.com>
6350 * c-parser.c (c_parser_typeof_specifier): Don't use
6351 c_finish_expr_stmt, open code desired semantics instead.
6353 2006-08-15 Nick Clifton <nickc@redhat.com>
6355 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6356 fragment to tmake_file only if threads are enabled.
6357 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6358 * config/i386/t-gthr-win32: New file. ... here.
6360 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6363 * c-parser.c (c_parser_compound_statement_nostart): Reset
6364 parser->error after each statement.
6366 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6369 * omp-low.c (lower_omp_parallel): Convert t to
6370 receiver_decl's type.
6371 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6372 source before comparison.
6375 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6376 to itype in assignment to oldival2.
6378 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6382 * c-typeck.c (build_compound_expr): If the second expression
6383 is an error mark, then just return an error mark instead of
6384 creating a COMPOUND_EXPR.
6386 2006-07-14 Mike Stump <mrs@apple.com>
6388 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6390 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6392 * c-decl.c, var-tracking.c: Fix comment typos.
6394 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6396 PR rtl-optimization/28634
6397 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6398 for floating-point modes unless flag_unsafe_math_optimizations.
6400 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6401 Andrew Pinski <pinskia@physics.uc.edu>
6404 * tree.c (build_array_type): Unify array types with
6405 unspecified index_type.
6406 * c-decl.c (grokdeclarator): Make sure we do not modify a
6407 unified incomplete array type.
6408 * c-typeck.c (store_init_value): Create distinct type before
6409 filling in the index type in an initializer from a compound
6412 * c-decl.c (grokdeclarator): Remove code where we copy the
6415 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6417 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6418 into account for TODO_dump_cgraph.
6419 (TODO_update_ssa_no_phi): Likewise.
6420 (TODO_update_ssa_full_phi): Likewise.
6421 (TODO_update_ssa_only_virtuals): Likewise.
6422 (TODO_remove_unused_locals): Likewise.
6423 (TODO_set_props): Likewise.
6424 (TODO_update_stmt_usage): Likewise.
6426 2006-08-13 Dirk Mueller <dmueller@suse.de>
6428 * c-common.c (strict_aliasing_warning): Fix formatting.
6430 2006-08-13 Matthias Klose <doko@debian.org>
6432 * doc/invoke.texi: Fix spelling errors.
6434 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6436 PR rtl-optimization/23454
6437 * reorg.c (relax_delay_slots): Update comment.
6439 2006-08-11 Richard Guenther <rguenther@suse.de>
6442 * simplify-rtx.c (simplify_const_relational_operation):
6443 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6446 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6448 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6449 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6451 2006-08-10 Paul Brook <paul@codesourcery.com>
6453 * final.c (final_scan_insn): Clear current_insn_predicate before
6454 outputting inline asm.
6456 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6458 PR tree-optimization/26197
6459 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6460 get_ref_base_and_extent and overlap_subvar to add only relevant
6461 subvars as may-aliases.
6462 (add_may_alias_for_new_tag): New function, factored out of
6464 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6465 with additional argument.
6466 * tree-flow.h (new_type_alias): Takes additional argument.
6468 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6470 * gcov.c (no_data_file): New flag.
6471 (read_count_file): Set it if data file not present. Assume counts
6473 (output_lines): Don't name the data file, if there wasn't one.
6475 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6477 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6478 (rs6000_generate_compare): Tweak comments.
6479 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6481 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6483 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6484 (var_debug_decl): New function.
6485 (var_reg_set): Follow debug decl link. Add location even if
6486 reg is already known to hold some other variable.
6487 (var_mem_set): Follow debug decl link.
6488 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6489 decl link. Delete other known locations of the variable part
6491 (var_reg_delete, var_mem_delete): Delete other known locations
6492 of the variable part if requested.
6493 (same_variable_part_p): New function.
6494 (add_stores): Select MO_COPY when appropriate.
6495 (vt_initialize): Handle it.
6496 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6497 known locations for MO_SET and MO_CLOBBER.
6498 (find_variable_location_part): New function.
6499 (set_variable_part, delete_variable_part): Use it.
6500 (clobber_variable_part): New function.
6501 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6504 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6506 PR tree-optimization/26969
6507 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6508 with an empty list of PHIs.
6510 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6514 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6517 2006-08-06 Andreas Schwab <schwab@suse.de>
6519 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6520 string. Whitespace and comment fixup.
6522 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6525 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6529 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6532 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6534 2006-08-04 Jan Hubicka <jh@suse.cz>
6538 * reload.c (push_reload): Patch out the mismatching instruction;
6540 (find_reload): Bail out if the instruction was patched out.
6542 2006-08-04 Jan Hubicka <jh@suse.cz>
6544 PR tree-optimization/24888
6545 * tree-inline.c (expand_call_inline): Do not re-record variables.
6546 (declare_inline_vars): Add variable to unexpanded_var_list.
6548 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6549 Roger Sayle <roger@eyesopen.com>
6551 PR rtl-optimization/26244
6552 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6553 inner_const are negative or greater than or equal to the bitsize of
6554 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6555 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6556 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6557 CONST0_RTX (mode) when the new shift count is greater than or equal to
6558 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6561 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6563 * tree-cfg.c: Fix a comment typo.
6565 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6568 * varasm.c (output_constant): Give the front end another chance to
6569 expand constants, after stripping NOPs.
6571 2006-08-03 Jan Hubicka <jh@suse.cz>
6573 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6576 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6578 PR tree-optimization/27770
6579 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6580 declaration removed (moved to tree-flow.h).
6581 (vect_can_force_dr_alignment_p): Likewise.
6582 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6583 (moved from tree-vectorizer.h).
6584 (vect_can_force_dr_alignment_p): Likewise.
6585 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6586 from outside the vectorizer - in particular from cgraph stage.
6587 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6588 the alignment of global arrays when -fsection-anchors is enabled.
6589 * cgraphunit.c (cgraph_increase_alignment): New function.
6590 (cgraph_optimize): Call cgraph_increase_alignment.
6592 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6595 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6596 not reload a SPE symbol_ref into a lo_sum address.
6598 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6601 * dwarf2out.c (prune_unused_types_prune): Move call to
6602 prune_unused_types_update_strings to cover the parent DIE also.
6604 2006-08-02 Jan Hubicka <jh@suse.cz>
6606 PR gcov/profile/28480
6607 * tree-cfg.c (change_bb_for_stmt): New function.
6608 (tree_merge_blocks, tree_split_blocks): Use it.
6610 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6616 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6617 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6618 (cgraph_optimize): Likewise.
6620 2006-08-01 Stuart Hastings <stuart@apple.com>
6622 * rtl.h (UINTVAL) New.
6623 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6624 * testsuite/gcc.dg/20060801-1.c: New.
6626 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6629 * c-typeck.c (build_external_type): Mark used enum types.
6630 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6632 (gen_subprogram_die): Whitespace fix.
6634 2006-08-01 Jan Hubicka <jh@suse.cz>
6636 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6637 bitmap when not needed.
6638 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6641 2006-08-01 Dirk Mueller <dmueller@suse.de>
6643 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6645 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6647 * Makefile.in: Revert part of previous patch:
6648 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6651 2006-07-30 Eric Christopher <echristo@apple.com>
6654 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6655 (PowerPC Variable Attributes): New section.
6657 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6659 PR target/28126 (partial fix)
6660 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6662 2006-07-28 Jan Hubicka <jh@suse.cz>
6664 PR rtl-optimization/28071
6665 * cfgrtl.c (rtl_delete_block): Free regsets.
6666 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6668 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6670 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6671 and variables used in dependencies.
6673 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6675 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6676 %fs for -mcmodel=kernel.
6677 (stack_tls_protect_test_di): Likewise.
6679 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6681 * Makefile.in: Use mkinstalldirs.
6683 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6686 * opts-common.c (prune_options): Skip joined switches.
6688 2006-07-27 Jan Hubicka <jh@suse.cz>
6690 PR rtl-optimization/28071
6691 * cselib.c (cselib_process_insn): Don't remove useless values too
6692 often for very large hashtables.
6694 2006-07-27 Jan Hubicka <jh@suse.cz>
6696 PR rtl-optimization/28071
6697 * global.c (greg_obstack): New obstack.
6698 (allocate_bb_info): Use it.
6699 (free_bb_info): Likewise.
6700 (modify_reg_pav): Likewise.
6702 2006-07-27 Roger Sayle <roger@eyesopen.com>
6704 * builtins.c (fold_fixed_mathfn): When long and long long are the
6705 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6706 functions to their lceil*, lfloor*, lround* and lrint* forms.
6708 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6711 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6713 (rev_branch_insn): Likewise.
6715 2006-07-27 Jan Hubicka <jh@suse.cz>
6717 PR rtl-optimization/28071
6718 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6719 (reg_set_in_bb, max_reg_computed): New static variables.
6720 (regmove_optimize): Free the new array.
6721 (fixup_match_1): Update call of reg_is_remote_constant_p.
6723 2006-07-26 Jan Hubicka <jh@suse.cz>
6725 PR tree-optimization/27882
6726 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6728 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6730 (cgraph_analyze_compilation_unit): Likewise.
6731 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6732 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6733 (cgraph_early_inlinine): Make order garbage collected.
6734 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6736 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6738 * dbxout.c (output_types_sort): Add a comment.
6739 (output_used_types): Free the VEC.
6741 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6743 * function.c (reorder_fix_fragments): Delete.
6744 (reorder_blocks): Don't call it.
6745 (reorder_blocks_1): Put all subblocks under the origin block.
6747 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6749 PR rtl-optimization/27907
6750 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6753 2006-07-25 Roger Sayle <roger@eyesopen.com>
6756 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6757 bar(x) check that bar's result type can represent all the values of T.
6759 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6761 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6763 2006-07-25 Nick Clifton <nickc@redhat.com>
6765 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6766 size_lookup[] array.
6767 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6768 (ggc_pch_count_object): Likewise.
6769 (ggc_pch_alloc_object): Likewise.
6770 (ggc_pch_write_object): Likewise.
6771 (init_ggc): Do not attempt to initialize entries in the
6772 size_lookup[] array for objects whose size is greater than than
6773 the length of the array.
6775 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6777 * dbxout.c (output_used_types_helper): Push queued types
6779 (output_types_sort): New.
6780 (output_used_types): Collect used types on a VEC and sort them
6783 2006-07-24 Richard Guenther <rguenther@suse.de>
6786 * cgraph.c (cgraph_remove_node): Do not check if dumps
6788 * cgraphunit.c (cgraph_optimize): Likewise.
6790 2006-07-24 Jan Hubicka <jh@suse.cz>
6792 PR rtl-optimization/28071
6793 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6794 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6795 splitting before first stmt.
6797 2006-07-24 Jan Hubicka <jh@suse.cz>
6799 PR rtl-optimization/28071
6800 * ipa-inline.c (update_caller_keys): Remove edges that
6801 are no longer inline candidates.
6803 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6806 * dbxout.c (output_used_types_helper, output_used_types): New.
6807 (dbxout_symbol): Call output_used_types.
6809 2006-07-23 Jan Hubicka <jh@suse.cz>
6813 * cgraph.c (cgraph_varpool_nodes): Export.
6814 (decide_is_variable_needed): Ignored "used" attribute in
6815 unit-at-a-time mode.
6816 * cgraph.h (cgraph_varpool_nodes): Declare.
6817 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6818 unit-at-a-time mode.
6820 2006-07-23 Roger Sayle <roger@eyesopen.com>
6823 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6824 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6825 the __gthrw form of thr_keycreate.
6826 (__gthread_key_delete): Silence the unused argument warning.
6828 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6831 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6832 Cache the last found '\0' marker to avoid quadratic behavior.
6834 2006-07-23 Jan Hubicka <jh@suse.cz>
6836 * i386.md (subsi_3_zext): Fix output template.
6838 2006-07-21 Mike Stump <mrs@apple.com>
6840 * doc/invoke.texi (C++ Dialect Options): Note that
6841 -fvisibility-inlines-hidden doesn't affect explicitly
6842 instantiationed inline methods.
6844 2006-07-20 Roger Sayle <roger@eyesopen.com>
6846 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6847 if the target assembler is GNU binutils' gas.
6848 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6849 whether to pass GNU gas or native as command line options.
6851 2006-07-20 Jason Merrill <jason@redhat.com>
6853 * tree.c (remove_attribute): New fn.
6854 * tree.h: Declare it.
6856 2006-07-20 Paul Brook <paul@codesourcery.com>
6859 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6860 they are invalidated by this instruction.
6862 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6865 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6867 2006-07-20 Eric Christopher <echristo@apple.com>
6870 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6872 2006-07-19 Eric Christopher <echristo@apple.com>
6874 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6875 Rewrite dependencies for libgcc_s.1.dylib.
6877 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6879 * except.c (duplicate_eh_regions_1): Clear next_peer.
6881 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6883 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6884 -mlongcall does not guarantee all calls will be long.
6885 * doc/extend.texi (long_call/short_call): Document that longcall
6886 does not guarantee a long call will be used.
6887 (longcall/shortcall): Likewise.
6889 2006-07-18 Roger Sayle <roger@eyesopen.com>
6892 * expmed.c (expand_shift): Additionally check that the shift_cost
6893 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6894 before implementing a LSHIFT_EXPR as a sequence of additions.
6895 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6896 middle-end that DImode shifts need to be synthesized by expand.
6898 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6901 * tree-ssa-operands.c (access_can_touch_variable): Update
6903 Return true if ALIAS is .GLOBAL_VAR.
6905 2006-07-18 David Daney <ddaney@avtrex.com>
6907 * gcc.c (display_help): Fix typo in help text.
6909 2006-07-18 Olivier Hainque <hainque@adacore.com>
6911 * tree.h (categorize_ctor_elements): Adjust prototype and add
6912 descriptive comment, both in accordance with the interface change
6914 * varasm.c (constructor_static_from_elts_p): New function.
6915 Whether a constructor node is a valid static constant initializer
6916 if all its elements are.
6917 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6918 * output.h: Declare it.
6919 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6920 is a valid constant initializer instead of computing the number of
6921 non-constant elements. Use constructor_static_from_elts_p for this
6922 purpose. Replace the head comment with an indication that this is a
6923 helper for categorize_ctor_elements.
6924 (categorize_ctor_elements): Same interface change as for the _1
6925 helper. Former head comment from this helper moved here, adjusted to
6926 account for the interface changes.
6927 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6928 (all_zeros_p): Likewise.
6929 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6930 static versions of the constructor from the categorize_ctor_elements
6931 return value instead of the formerly computed number of non-constant
6934 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6936 * configure: Regenerate.
6937 * Makefile.in (build_libsubdir): New configure substitution
6938 (build_libobjdir): New variable.
6939 (BUILD_LIBIBERTY): Use it.
6941 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6944 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6946 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6949 * c-common.c (handle_weakref_attribute): Ignore attribute in
6950 the same conditions the alias attribute is ignored.
6952 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6954 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6955 (dbxout_begin_prologue): Increment scope_labelno.
6957 2006-07-17 Richard Henderson <rth@redhat.com>
6960 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6963 2006-07-17 Roger Sayle <roger@eyesopen.com>
6964 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6966 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6967 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6968 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6969 functions such as sbrk, write, etc.. Add function prototypes.
6970 Convert function declarations from K&R to ISO C. Cast pointers
6971 to "long" and "unsigned long" instead of "int" and "unsigned int".
6972 Convert tokens following #endif into comments.
6974 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6976 * invoke.texi: Remove mention of f77; Reformat table for
6977 inline parameter options correctly; mention that -malign-double
6978 is default on x86-64 targets.
6980 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6982 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6983 (convert_affine_scev, chrec_convert_aggressive): Use
6984 avoid_arithmetics_in_type_p. Do not check for the subtypes
6987 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6990 * optabs.c (expand_doubleword_shift): Wrap the call to
6991 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6993 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6996 * optabs.c (expand_binop): Pass next_methods rather than methods
6997 to expand_doubleword_shift.
6999 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
7002 * tree.h (dump_addr): Declare.
7003 * print-tree.c (dump_addr): New function.
7004 (print_node_brief, print_node): Use it.
7005 * print-rtl.c (print_rtx): Likewise.
7006 * common.opt (-fdump-noaddr): New option.
7007 * doc/invoke.texi (-fdump-noaddr): Document.
7008 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7009 (ve_info_hash): Likewise.
7011 2006-07-13 Andrew Haley <aph@redhat.com>
7013 PR tree-optimization/19505
7014 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7015 edge leaving this block, make sure that the destination of this
7016 block has only one predecessor.
7018 2006-07-17 Richard Guenther <rguenther@suse.de>
7020 PR tree-optimization/28238
7021 * tree-inline.c (copy_bb): Check if we produced valid
7022 gimple copying and substituting a stmt. If not, gimplify
7025 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7027 * optabs.c (maybe_encapsulate_block): New function extracted from...
7028 (emit_libcall_block): ...here. Invoke it on the block of insns to
7029 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7030 (emit_no_conflict_block): Likewise.
7032 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7034 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7036 2006-07-15 Roger Sayle <roger@eyesopen.com>
7038 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7039 a new NOP_EXPR case of the switch statement.
7041 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7044 * stor-layout.c (place_field): Take the bit field with
7045 an excessive size into account in the ms-bitfiled case.
7048 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7049 the previous bit field.
7051 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7054 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7056 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7058 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7059 signal frames correctly even when the signal was installed with
7062 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7064 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7065 (dbxout_function_end): Use local label LFBB. Remove hook
7067 (dbxout_source_line): Use local label LFBB.
7068 (dbxout_block): Likewise.
7069 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7070 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7071 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7072 and DBX_OUTPUT_NFUN.
7074 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7076 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7078 2006-07-13 Jan Hubicka <jh@suse.cz>
7080 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7082 * output.h (align_variable): Declare.
7083 * varasm.c (align_variable): Export.
7084 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7085 when basic block changed.
7087 2006-07-13 Nick Clifton <nickc@redhat.com>
7089 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7090 walking the LOG_LINKS chain.
7092 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7094 * doc/invoke.texi (C++ Dialect Options): Explain difference
7095 between -fvisibility-inlines-hidden and setting hidden
7096 visibility explicitly.
7098 2006-07-12 Eric Christopher <echristo@apple.com>
7100 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7101 (stmp-lipo): Depend on libgcc.a.
7103 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7105 * tree.c: Fix a comment typo.
7107 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7109 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7111 (umulhisi3_r): Likewise.
7113 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7116 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7117 x < 19, vs wchar_t support.
7119 2006-07-12 Nick Clifton <nickc@redhat.com>
7121 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7122 instead of -isa=sh4.
7124 2006-07-12 Mike Stump <mrs@apple.com>
7126 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7128 2006-07-10 Eric Christopher <echristo@apple.com>
7130 * config/t-slibgcc-darwin: Rewrite.
7132 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7135 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7138 2006-07-08 Matthias Klose <doko@debian.org>
7140 * doc/sourcebuild.texi: Fix typo.
7142 2006-07-07 Mike Stump <mrs@apple.com>
7144 * toplev.c (process_options): Don't give -ffunction-sections may
7145 affect debugging warning for Mach-O.
7147 2006-07-07 James E Wilson <wilson@specifix.com>
7149 * config/mips/mips.md (cpu): Add sb1a.
7150 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7151 addition to sb1. Adjust comments to clarify SB-1A differences from
7153 (ir_sb1a_load): New. Modify bypasses to use it.
7154 (ir_sb1a_simple_alu): Likewise.
7155 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7156 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7157 (mips_issue_rate): Add PROCESSOR_SB1A.
7158 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7159 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7160 (TARGET_SB1): Add PROCESSOR_SB1A check.
7161 (TUNE_SB1): Likewise.
7163 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7164 * config/mips/mips.c (mips_store_data_bypass_p): New.
7165 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7166 store_data_bypass_p.
7168 2006-07-08 Paul Brook <paul@codesourcery.com>
7171 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7173 2006-07-07 Richard Guenther <rguenther@suse.de>
7176 * tree.h (build_one_cst): Declare.
7177 * tree.c (build_one_cst): New function.
7178 * tree-ssa-math-opts.c (get_constant_one): Remove.
7179 (insert_reciprocals): Use build_one_cst.
7180 * fold-const.c (fold_plusminus_mult): Likewise.
7182 2006-07-07 Roger Sayle <roger@eyesopen.com>
7184 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7185 * cfgloopanal.c (dump_graph): Likewise.
7186 * dojump.c (discard_pending_stack_adjust): Likewise.
7187 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7189 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7190 * function.c (finalize_block_changes): Likewise.
7191 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7192 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7193 * rtl.c (dump_rtx_statistics): Likewise.
7194 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7196 * varray.c (dump_varray_statistics): Likewise.
7197 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7198 decode_decimal64, encode_decimal128, decode_decimal128,
7199 decimal_real_to_decimal): Likewise.
7201 2006-07-07 Richard Guenther <rguenther@suse.de>
7203 PR tree-optimization/28187
7204 * tree-vrp.c (vrp_operand_equal_p): New function.
7205 (vrp_bitmap_equal_p): Likewise.
7206 (update_value_range): Use them to compare old and new
7209 2006-07-06 Roger Sayle <roger@eyesopen.com>
7211 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7212 a default case to switch statement to silence compiler warnings.
7214 2006-07-06 Roger Sayle <roger@eyesopen.com>
7217 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7218 the configured assembler supports the x87's ffreep mnemonic.
7219 * configure: Regenerate.
7220 * config.in: Regenerate.
7222 * config/i386/i386.c (output_387_ffreep): New function.
7223 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7224 (output_387_reg_move): Likewise.
7226 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7228 Port to hosts whose 'sort' and 'tail' implementations
7229 treat operands with leading '+' as file names, as POSIX
7230 has required since 2001. However, make sure the code still
7231 works on pre-POSIX hosts.
7232 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7233 which says you should use "tail -c +N" rather than "tail +Nc".
7234 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7236 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7238 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7241 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7244 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7245 PRE_{INC,DEC} of TFmode.
7247 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7248 Alan Modra <amodra@bigpond.net.au>
7251 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7254 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7257 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7258 Remove duplicate gtu.
7260 2006-07-05 Jason Merrill <jason@redhat.com>
7264 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7265 * c-common.c (handle_packed_attribute): So don't copy it here.
7266 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7268 2006-07-05 Mike Stump <mrs@apple.com>
7270 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7272 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7275 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7277 2006-07-05 Richard Guenther <rguenther@suse.de>
7280 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7281 TARGET_SSE2 targets if using SSE math.
7282 (*absdf2_1): Likewise.
7284 2006-07-05 Richard Guenther <rguenther@suse.de>
7286 PR tree-optimization/28162
7287 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7288 make sure to convert the operands to the correct type.
7290 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7292 PR tree-optimization/28218
7294 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7295 to calculate and free the dominator information.
7297 2006-07-04 Peter O'Gorman <peter@pogma.com>
7299 * mklibgcc.in: chmod 644 before ranlib during install.
7301 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7302 J"orn Rennecke <joern.rennecke@st.com>
7304 * configure.ac (.eh_frame data check): Use diff -b.
7306 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7309 * Makefile.in (BUILD_RTL): Add build/vec.o.
7310 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7311 (build/genextract): Delete.
7312 (build/genautomata): Likewise.
7314 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7317 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7318 128-bit IBM long doubles for ABI_V4.
7320 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7322 * tree.c (range_in_array_bounds_p): New predicate.
7323 * tree.h (range_in_array_bounds_p): Declare it.
7324 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7325 return a less conservative answer.
7326 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7327 and flag 'is_group'.
7328 (IS_ELEMENT_FOR_GROUP): New macro.
7329 (FOR_EACH_ACTUAL_CHILD): Likewise.
7330 (next_child_for_group): New helper function.
7331 (can_completely_scalarize_p): Take into account groups.
7332 (sra_hash_tree): Handle RANGE_EXPR.
7333 (sra_elt_eq): Likewise.
7334 (lookup_element): Be prepared for handling groups.
7335 (is_valid_const_index): Delete.
7336 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7337 instead of is_valid_const_index.
7338 <ARRAY_RANGE_REF>: New case.
7339 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7340 is_valid_const_index.
7341 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7342 (scan_dump): Dump info for groups too.
7343 (decide_instantiation_1): Likewise.
7344 (decide_block_copy): Assert that the element is not a group.
7345 Propagate decision to groups.
7346 (generate_one_element_ref): Handle RANGE_EXPR.
7347 (mark_no_warning): Iterate over actual childs.
7348 (generate_copy_inout): Likewise.
7349 (generate_element_copy): Likewise.
7350 (generate_element_zero): Likewise.
7351 (generate_element_init_1): Likewise.
7352 (dump_sra_elt_name): Handle RANGE_EXPR.
7354 2006-07-03 Roger Sayle <roger@eyesopen.com>
7356 PR tree-optimization/26251
7357 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7358 (thread_block): When optimizing for size refuse to thread jumps
7359 that would require duplication of blocks other than redirection
7362 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7364 * configure.ac: Fix thinko in previous check-in.
7365 * configure: Regenerate.
7367 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7370 * configure.ac (for lang...): Simplify nesting of conditionals.
7371 Test subdir_requires for non-enabled languages. Move processing
7372 of lang_opt_files and lang_tree_fiels below that test.
7373 * configure: Regenerate.
7374 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7376 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7378 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7380 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7382 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7385 2006-06-29 Jason Merrill <jason@redhat.com>
7392 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7393 * c-common.c (c_determine_visibility): Handle it here.
7394 * c-decl.c (finish_decl): Call c_determine_visibility for
7396 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7398 * varasm.c (default_assemble_visibility): Likewise.
7399 * c-common.c (handle_visibility_attribute): Complain about trying
7400 to give visibility to an already defined class, or trying to change
7401 declared visibility. Always attach the attribute.
7406 * attribs.c (decl_attributes): Ignore type-in-place attributes
7407 once the type has been defined.
7409 2006-06-29 Roger Sayle <roger@eyesopen.com>
7412 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7413 to indicate the cpplib has issued an error message for us.
7415 2006-06-29 Asher Langton <langton2@llnl.gov>
7418 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7419 insert a label at the end of an function under Mach-O.
7421 2006-06-29 Eric Christopher <echristo@apple.com>
7422 Evan Cheng <evan.cheng@apple.com>
7424 * predicates.md (vector_all_ones_operand): New.
7425 (nonimmediate_or_sse_const_operand): Ditto.
7426 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7427 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7428 (standard_sse_mode_p): Ditto.
7429 (standard_sse_constant_p): Add case for -1 vector.
7430 (ix86_expand_vector_move): Try to use.
7431 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7432 Call standard_sse_constant_opcode.
7433 (*movv4sf_internal): Ditto.
7434 (*movv2df_internal): Ditto.
7436 2006-06-29 Roger Sayle <roger@eyesopen.com>
7438 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7439 of XEXP to extract the operands of a MATCH_CODE rtx.
7441 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7443 * tree.c (tree_size): Do not waste tail padding in
7444 struct tree_string and make the size be the same as
7445 build_string will generate.
7447 2006-06-28 Jason Merrill <jason@redhat.com>
7450 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7451 may_aliases already in the tag's annotations to the bitmap.
7453 2006-06-28 Roger Sayle <roger@eyesopen.com>
7455 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7457 2006-06-28 Roger Sayle <roger@eyesopen.com>
7459 * genpreds.c (generate_switch_p): New function.
7460 (add_mode_tests): Push the new mode test down inside an AND expr
7461 if this allows the switch-suitable MATCH_CODE to be near the root.
7462 (write_match_code_switch): New function to write a MATCH_CODE as
7464 (write_predicate_stmts): New function to write a predicate RTX
7465 expression as a sequence of statements.
7466 (write_one_predicate_function): Use write_predicate_stmts.
7467 (write_tm_constrs_h): Likewise.
7469 2006-06-26 Fred Fish <fnf@specifix.com>
7471 * config/mips/t-sb1: New file.
7472 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7475 2006-06-26 DJ Delorie <dj@redhat.com>
7477 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7479 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7480 Jayant Sonar <jayants@kpitcummins.com>
7481 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7483 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7484 (subsi3, subsi3_1, subsi3_2): New.
7485 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7486 * config/m32c/mov.md (SI mov peephole): New.
7487 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7488 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7490 2006-06-26 Olivier Hainque <hainque@adacore.com>
7492 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7493 a CALL_EXPR target function declaration.
7495 2006-06-26 Richard Guenther <rguenther@suse.de>
7497 * tree.c (build_string): Do not waste tail padding in
7500 2006-06-26 Richard Guenther <rguenther@suse.de>
7502 * ggc-page.c (init_ggc): Add missing element to size_lookup
7506 2006-06-23 Richard Guenther <rguenther@suse.de>
7508 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7509 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7510 alignment requests instead. Add verification code.
7511 Add struct tree_function_decl and struct tree_binfo size to
7512 extra_order_size_table. Add missing element to size_lookup
7515 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7518 * fold-const.c (const_binop): Be prepared for self returning zero.
7519 Simplify code handling complex values.
7521 2006-06-24 Olivier Hainque <hainque@adacore.com>
7523 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7524 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7527 2006-06-24 Olivier Hainque <hainque@adacore.com>
7529 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7530 ARRAY_REF, so have the callback called for the low bound expression.
7532 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7534 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7535 * c-typeck.c (c_common_type): Disallow operations on decimal float
7536 types and other float types.
7537 * convert.c (convert_to_real): Don't ignore conversions involving
7538 decimal float types.
7540 2006-06-23 Olivier Hainque <hainque@adacore.com>
7542 * tree.c (max_int_size_in_bytes): New function, inspired from
7543 code in function.c:assign_temp.
7544 * tree.h (max_int_size_in_bytes): Declare.
7545 * function.c (assign_temp): Use it.
7546 * gimplify.c (create_tmp_var): Relax the assertions on the type
7547 properties, not mandating constant size any more.
7548 (force_constant_size): New static function.
7549 (gimple_add_tmp_var): Use it, forcing variable size to a
7550 constant upper bound if it is not constant on entry.
7552 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7555 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7556 for initialization and setting of one_only flag to ...
7557 (i386_pe_encode_section_info): ...here.
7558 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7559 Recheck that the symbol has not been defined.
7561 2006-06-23 Richard Guenther <rguenther@suse.de>
7563 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7564 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7565 alignment requests instead. Add verification code.
7566 Add struct tree_function_decl and struct tree_binfo size to
7567 extra_order_size_table. Add missing element to size_lookup
7570 2006-06-22 Roger Sayle <roger@eyesopen.com>
7571 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7574 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7575 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7577 2006-06-23 Ben Elliston <bje@au.ibm.com>
7579 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7580 negate dn -- manipulate it directly.
7582 2006-06-22 Roger Sayle <roger@eyesopen.com>
7583 Steven Bosscher <stevenb.gcc@gmail.com>
7586 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7587 generated by gen_move_insn to add REG_LABEL notes if necessary.
7589 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7591 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7592 (leaf_entry): Remove use of MIN_ESA.
7594 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7596 PR rtl-optimization/28121
7597 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7600 2006-06-21 DJ Delorie <dj@redhat.com>
7602 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7604 (mulhisi3_r): Likewise.
7606 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7609 * coverage.c (coverage_counter_alloc): Leave the index type
7611 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7614 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7616 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7617 section from the "Options for Code Generation Conventions".
7619 2006-06-21 Richard Henderson <rth@redhat.com>
7623 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7625 (global_symbolic_operand): Allow weak symbols, even if local_p.
7627 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7629 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7630 (find_interesting_uses_address): Punt if above function returns true.
7632 2006-06-21 Richard Guenther <rguenther@suse.de>
7634 * configure: Regenerated.
7636 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7638 * config/mips/mips.c (function_arg): Where one part of a
7639 complex argument is in registers and the other part in the stack,
7640 return a REG not a PARALLEL.
7642 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7644 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7645 when cross-compiling. Do not substitute libstdcxx_incdir.
7646 * configure: Regenerated.
7648 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7650 * varasm.c (mergeable_string_section): Check for embedded NULs and
7651 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7652 rather than TREE_STRING_LENGTH bytes.
7654 2006-06-21 Richard Guenther <rguenther@suse.de>
7656 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7657 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7660 2006-06-21 Richrad Guenther <rguenther@suse.de>
7662 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7663 Limit iteration over the dominators.
7665 2006-06-20 Roger Sayle <roger@eyesopen.com>
7667 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7668 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7670 2006-06-20 Richard Guenther <rguenther@suse.de>
7671 Michael Matz <matz@suse.de>
7673 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7675 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7676 * et-forest.h (et_free_pools): Prototype new function.
7677 * et-forest.c (et_free_tree_force): Free parent occurrence.
7678 (et_free_pools): New function.
7679 * dominance.c (free_dominance_info): Free et-forest alloc
7682 2006-06-20 Roger Sayle <roger@eyesopen.com>
7684 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7685 integer modes, attempt to directly construct an integer constant.
7687 * fold-const.c (native_encode_vector): Determine the size of each
7688 element from the vector type instead of the first vector element.
7690 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7691 if all of its elements/components are constant.
7692 (build_constructor_from_list): Likewise.
7694 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7696 PR tree-optimization/27331
7697 * tree-data-ref.c (free_data_ref): New function.
7698 (create_data_ref): Fail if the data reference has unknown access
7700 (free_data_refs): Use free_data_ref.
7702 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7705 * tree-inline.c (setup_one_parameter): Strip useless
7706 type conversion before adding it to the IR.
7707 (declare_return_variable): Likewise.
7709 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7712 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7714 2006-06-19 Mike Stump <mrs@apple.com>
7716 * tree.c (variably_modified_type_p): VM arguments don't make the
7719 2006-06-19 Richard Guenther <rguenther@suse.de>
7721 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7722 type conversions after folding.
7724 2006-06-19 Richard Guenther <rguenther@suse.de>
7726 * ggc-page.c (extra_order_size_tab): Add entries with
7727 size of struct function and basic_block.
7728 (size_lookup): Extend to cover sizes up to 511.
7729 (ggc_alloc_stat): Adjust user.
7730 (ggc_pch_count_object): Likewise.
7731 (ggc_pch_alloc_object): Likewise.
7732 (ggc_pch_write_object): Likewise.
7734 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7736 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7737 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7740 2006-06-19 Denis Chertykov <denisc@overta.ru>
7742 * config/avr/libgcc.S : Correct my wrong previous commit.
7744 2006-06-19 Roger Sayle <roger@eyesopen.com>
7747 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7748 have stripped a SUBREG from the shift count, so we may need to
7749 convert_to_mode back to the type's mode before calling make_tree.
7750 Use new_amount instead of amount to avoid expanding a tree twice.
7752 2006-06-19 Richard Guenther <rguenther@suse.de>
7755 * fold-const.c (operand_equal_p): Check if the argument types
7756 have the same precision before stripping NOPs.
7758 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7760 Fix PR tree-optimization/27341
7761 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7763 * tree-complex.c (pass_lower_complex): Update SMT usage.
7765 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7767 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7768 Add a new alternative to the constraint strings. Add move of
7769 operand 1 to 3 to the splitter definition.
7770 ("doloop_si_long"): Second contraint alternative removed.
7772 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7774 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7775 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7777 (AVR_HAVE_MOVW) Define.
7778 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7779 (ASM_SPEC): Add avr25.
7780 (LINK_SPEC): Add avr25.
7781 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7782 (base_arch_s): Add new member 'have_movw_lpmx'.
7783 (avr_arch_types): Init 'have_movw_lpmx'.
7784 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7785 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7786 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7787 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7788 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7790 (avr_file_start): Do not output '.arh' derective.
7791 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7792 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7793 * config/avr/avr.md (mcu_enhanced): Delete.
7794 (mcu_have_movw): Define.
7795 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7796 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7797 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7798 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7799 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7800 attiny861 and at86rf401 devices.
7802 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7804 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7807 2006-06-17 Karl Berry <karl@gnu.org>
7809 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7810 doc/gccint.texi, doc/install.texi (@dircategory): Use
7811 "Software development" instead of "Programming", following
7812 the Free Software Directory.
7814 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7816 * config/i386/i386.c (legitimate_tls_address)
7817 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7818 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7819 (*tls_dynamic_gnu2_combine_64): Likewise.
7821 2006-06-16 Richard Guenther <rguenther@suse.de>
7824 * fold-const.c (negate_expr_p): Do not introduce undefined
7825 overflow in negating INTEGER_CSTs.
7826 (fold_negate_expr): Rename from negate_expr. Revert last
7827 change for folding BIT_NOT_EXPR. Change semantics to
7828 return NULL_TREE for non-simplified negations. Do not
7829 strip type conversions and unify type handling.
7830 (negate_expr): New function, wrap around fold_negate_expr
7831 but ensure building a tree always. Strip type conversions
7832 here, fold to result type.
7833 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7835 2006-06-16 Roger Sayle <roger@eyesopen.com>
7838 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7839 that (would) return their results in stack registers.
7841 2006-06-16 Michael Matz <matz@suse.de>
7842 Richard Guenther <rguenther@suse.de>
7844 * fold-const.c (fold_truthop): Only return new tree node if
7845 we canonicalized something.
7847 2006-06-16 Richard Guenther <rguenther@suse.de>
7849 * function.h (enum function_frequency): Move declaration
7850 out of struct function.
7851 (struct function): Move bool fields and the enum to the bitfield
7852 section. Reorder elements to avoid padding. Remove unused
7853 fields left over from the RTL inliner removal.
7854 * function.c (free_after_compilation): Do not zero removed fields.
7855 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7856 (ipa-type-escape.o): Likewise.
7858 2006-06-16 Richard Guenther <rguenther@suse.de>
7860 * cgraph.h (struct cgraph_local_info): Turn bool elements
7862 (struct cgraph_node): Likewise.
7863 (struct cgraph_varpool_node): Likewise.
7865 2006-06-15 Richard Guenther <rguenther@suse.de>
7867 * fold-const.c (fold_truth_not_expr): Rename from
7868 invert_truthvalue. Give it fold_* semantics to avoid
7870 (invert_truthvalue): New function. Wrapper around
7871 fold_truth_not_expr.
7872 (optimize_minmax_comparison): Avoid creating garbage.
7873 (fold_unary): Use fold_truth_not_expr for folding
7875 (fold_ternary): Replace uses of invert_truthvalue with
7876 fold_truth_not_expr where applicable.
7877 * tree.h (fold_truth_not_expr): Prototype.
7879 2006-06-16 Richard Guenther <rguenther@suse.de>
7881 PR tree-optimization/27781
7882 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7883 * ipa-pure-const.c (target.h): Include.
7884 (analyze_function): Do not analyze functions that do not
7887 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7890 * tree-dfa.c (referenced_vars_dup_list): Remove.
7891 (find_referenced_vars): Remove assert.
7892 (referenced_var_check_and_insert): Replace dup list with assert.
7893 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7894 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7896 2006-06-15 Richard Guenther <rguenther@suse.de>
7898 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7899 extra unused identifiers if not dumping.
7900 (create_variable_info_for): Likewise.
7902 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7904 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7905 (derive_constant_upper_bound): Derive more precise upper bound in
7906 common cases. Return type changed to double_int.
7907 (record_estimate): Reflect the changed return type of
7908 derive_constant_upper_bound.
7909 * double-int.c (double_int_zext, double_int_sext): Fix.
7911 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7913 * configure.ac (CFLAGS): Get them from the toplevel or from the
7914 configure invocation.
7915 * configure: Regenerate.
7916 * Makefile.in (CFLAGS): Substitute value provided by configure.
7918 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7921 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7922 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7923 rather than calling add_stmt on it.
7924 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7926 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7929 * reload1.c (reload): Remove registers returned by update_eliminables
7930 from used_spill_regs.
7932 2006-06-13 DJ Delorie <dj@redhat.com>
7934 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7936 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7938 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7939 html__strip_dir, html__mkdir_p. Enhance install-html target.
7940 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7941 * configure: Regenerate.
7943 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7945 * fold-const.c (fold_cond_expr_with_comparison): Check for
7946 Objective-C++ as language in deciding COND_EXPR transformation.
7948 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7951 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7952 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7953 * config/sh/lib1funcs.h (SL, SL1): Define.
7954 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7955 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7956 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7957 (OBJS_Os_4_200): New variable.
7958 ($(T)libgcc-Os-4-200.a): Use it.
7959 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7960 when dividing 1 and/or by 0.
7962 2006-06-13 Roger Sayle <roger@eyesopen.com>
7964 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7965 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7966 * configure: Regenerate.
7968 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7970 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7971 for real instruction.
7973 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7976 * haifa-sched.c (check_cfg): Handle special case.
7978 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7981 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7982 Add debug_info parameter. Chain the vars to the BLOCK instead
7983 of the BIND_EXPR if debug info are requested for them.
7984 (pop_gimplify_context): Adjust for above change.
7985 (gimple_add_tmp_var): Likewise.
7986 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7988 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7989 (convert_local_reference): Likewise.
7990 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7991 (finalize_nesting_tree_1): Request that debug info be emitted
7992 for debug_var_chain.
7994 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7996 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7997 for PR target/27863.
7999 2006-06-13 Richard Guenther <rguenther@suse.de>
8002 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
8004 2006-06-13 Richard Guenther <rguenther@suse.de>
8006 PR tree-optimization/27830
8007 * tree-inline.c (copy_body_r): For copying the operand
8008 of an ADDR_EXPR make sure to fold &* afterwards.
8010 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8012 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8013 lvalues in the fb_none case with side-effects.
8015 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8017 * tree-flow.h: Remove the prototype for
8018 compute_phi_arg_on_exit.
8019 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8020 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8023 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8025 * builtins.c (expand_builtin_return_addr): Only use
8026 frame_pointer_rtx when count == 0 and we are expanding
8027 __builtin_return_address.
8029 2006-06-12 Fred Fish <fnf@specifix.com>
8031 * config/mips/mips.c (mips_file_start): Create special section
8032 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8034 2006-06-11 Eric Christopher <echristo@apple.com>
8037 * stor-layout.c (place_field): Remove check for
8038 remaining_in_alignment when aligning at the end of a run.
8040 2006-06-11 Eric Christopher <echristo@apple.com>
8043 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8046 2006-06-11 Roger Sayle <roger@eyesopen.com>
8049 Revert incorrect fix for PR target/27158
8050 2006-05-08 Roger Sayle <roger@eyesopen.com>
8051 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8052 of a reg_equiv_constant if the result is a legitimate constant.
8054 2006-06-11 Roger Sayle <roger@eyesopen.com>
8057 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8058 extract a CONST_VECTOR element and interpret it as an integer.
8059 (vspltis_constant): Use const_vector_elt_as_int instead of the
8060 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8061 * config/rs6000/predicates.md (easy_vector_const): Consider
8062 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8064 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8067 * stor-layout.c (update_alignment_for_field): Don't add extra
8068 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8071 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8073 * config/mips/t-rtems: Add EL/EB multilib variants.
8075 2006-06-09 Mike Stump <mrs@apple.com>
8077 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8079 2006-06-09 David Daney <ddaney@avtrex.com>
8081 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8083 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8085 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8087 2006-06-09 Richard Guenther <rguenther@suse.de>
8089 PR tree-optimization/26998
8090 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8091 of signed types, only TYPE_MIN_VALUE is special, but for both,
8092 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8093 in this case, as is -fwrapv.
8095 2006-06-08 Mike Stump <mrs@apple.com>
8098 * config/darwin.c (darwin_asm_output_anchor): Disable
8099 -fsection-anchors on darwin for now.
8100 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8101 * rs6000/rs6000.c (optimization_options): Likewise.
8103 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8106 * config/i386/i386.c (classify_argument): Skip fields with invalid
8109 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8111 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8112 (cse_insn): Likewise for the stack_pointer_rtx.
8114 2006-06-08 Roger Sayle <roger@eyesopen.com>
8116 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8117 conditions from floating point comparisons.
8119 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8122 * expmed.c (struct alg_hash_entry): Fix type of field T
8123 to match synth_mult argument.
8124 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8126 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8129 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8132 2006-06-08 Richard Guenther <rguenther@suse.de>
8135 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8136 only, if overflow is defined and not trapping.
8137 (negate_expr): Likewise.
8139 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8141 PR tree-optimization/27872
8142 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8143 flag on the new exit edge of the unrolled loop.
8145 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8147 PR rtl-optimization/26449
8148 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8150 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8153 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8154 referenced_variables with matching DECL_UID's.
8155 (find_referenced_vars): Make sure duplicate list is empty to start.
8156 (referenced_var_p): Remove.
8157 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8158 Check if var is in the list, and add if needed. Update the duplicate
8159 list if a different var is in the list with the same DECL_UID.
8160 (add_referenced_var): Call routine to check and insert.
8161 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8162 * tree-flow.h (referenced_vars_dup_list): External declaration.
8164 2006-06-07 Fred Fish <fnf@specifix.com>
8166 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8169 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8172 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8173 the imaginary and real parts of a clobbered register.
8174 Emit insn to set the imaginary part.
8176 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8178 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8179 in lieu of unwind-dw2-fde.c.
8181 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8183 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8185 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8188 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8189 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8190 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8191 V4SImode temporaries and operations instead.
8193 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8195 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8198 2006-06-06 Mike Stump <mrs@apple.com>
8200 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8201 installing during build.
8203 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8205 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8207 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8208 * config/ia64/ia64.c (params.h): New header.
8209 (ia64_optimization_options): New function to adjust parameters.
8210 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8211 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8212 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8214 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8216 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8218 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8221 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8223 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8224 Victor Kaplansky <victork@il.ibm.com>
8226 PR tree-optimization/26360
8227 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8230 2006-06-04 Roger Sayle <roger@eyesopen.com>
8231 Andrew Pinski <pinskia@physics.uc.edu>
8234 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8235 for LABEL_DECL before calling DECL_WEAK.
8238 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8239 LABEL_DECL and PARM_DECL.
8241 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8245 * c-decl.c (grokdeclarator): Disallow variably modified types at
8246 file scope. Avoid marking shared array type of constant size as
8249 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8252 * c-common.c (fold_offsetof_1): Handle static members.
8254 2006-06-04 Eric Christopher <echristo@apple.com>
8256 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8257 (debug_rli): Output value for remaining_in_alignment.
8258 (update_alignment_for_field): Unconditionalize
8259 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8260 extra alignment code.
8261 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8262 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8263 * tree.h (record_layout_info_s): Remove prev_packed.
8264 * doc/extend.texi (ms_struct): Add documentation of format.
8266 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8268 * tree.h: Declare folding_initializer.
8269 * builtins.c (fold_builtin_constant_p): Give definite answer
8270 if folding inside an initializer.
8271 * fold-const.c: Define folding_initializer.
8272 (START_FOLD_INIT): Save and then set folding_initializer.
8273 (END_FOLD_INIT): Restore folding_initializer.
8275 2006-06-04 Richard Guenther <rguenther@suse.de>
8277 PR tree-optimization/27039
8278 * fold-const.c (fold_comparison): Handle pointer comparison
8279 again for all comparison codes. Compare offsets in signed
8281 (fold_binary): Move code from here.
8283 2006-06-03 Roger Sayle <roger@eyesopen.com>
8286 * config/i386/i386.c (construct_container): Split static issued_error
8287 flag into issued_sse_arg_error, issued_sse_ret_error and
8288 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8289 requires the use of x87 registers and the user explicitly
8290 specified the -mno-80387 command line option.
8292 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8294 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8295 HAVE_DECL_SIGALTSTACK.
8297 (segv_handler): Use MC_FLD.
8298 * configure.ac: Check for a sigaltstack declaration.
8299 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8300 * configure: Regenerate.
8301 * config.in: Regenerate.
8303 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8306 * Makefile.in (stmp-fixinc): Fix typo.
8308 2006-06-02 Roger Sayle <roger@eyesopen.com>
8310 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8311 are type correct. Clean-up.
8312 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8313 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8315 2006-06-01 DJ Delorie <dj@redhat.com>
8317 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8318 shift, as we've disabled the "switch" insn that needs it.
8320 2006-06-01 Per Bothner <bothner@bothner.com>
8322 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8323 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8324 * c-ppoutput.c (cb_define): Don't increment line 0.
8326 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8328 * doc/invoke.texi: Add cpu_type power6.
8329 * config.gcc: Add cpu_type power6.
8330 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8331 to power5+ with Altivec.
8332 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8333 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8335 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8337 * config/avr/avr.h (SET_ASM_OP): Define.
8339 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8341 * config/bfin/bfin.c: Fix comment typos.
8343 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8346 * doc/install.texi: Document --enable-bootstrap and
8347 --disable-bootstrap.
8349 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8351 * doc/install.texi: Document that InfoZIP can replace jar.
8353 2006-05-31 Roger Sayle <roger@eyesopen.com>
8355 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8356 isn't available, directly generate the simpler x87 patterns without
8357 the (use (const_int 0)).
8358 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8359 implementation isn't available.
8360 (*negdf2_1): Likewise.
8361 (*negxf2_1): XF mode negation is always done using the x87.
8362 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8364 2006-05-31 Roger Sayle <roger@eyesopen.com>
8366 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8367 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8369 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8371 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8373 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8374 * config/bfin/bfin.c (basic-block.h): Include.
8375 (struct machine_function): New.
8376 (bfin_init_machine_status): New.
8377 (override_options): Initialize init_machine_status.
8378 (bfin_hardware_loop): New.
8379 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8380 (DEF_VEC_P (loop_info)): New.
8381 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8382 (struct loop_info): New.
8383 (loop_info): New typedef.
8384 (struct loop_work): New.
8385 (loop_work): New typedef.
8386 (DEF_VEC_O (loop_work)): New.
8387 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8388 (bfin_dump_loops): New.
8389 (bfin_bb_in_loop): New.
8390 (bfin_scan_loop): New.
8391 (bfin_optimize_loop): New.
8392 (bfin_reorg_loops): New.
8393 (bfin_reorg): Use bfin_reorg_loops.
8394 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8396 (I_REGNO_P): Simplify.
8397 (DP_REGNO_P, DPREG_P): New macros.
8398 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8399 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8400 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8401 Add LT_REGS, LC_REGS, LB_REGS.
8402 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8404 (REGNO_REG_CLASS): Deal with loop registers.
8405 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8407 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8408 New constants for loop registers.
8409 (UNSPEC_LSETUP_END): New.
8410 (seq_insns): New define_attr. Set it for appropriate insns.
8411 (movsi_insn): Add alternatives for move from/to
8412 loop count registers.
8413 (doloop_end): New define_expand.
8414 (loop_end): New define_insn.
8415 (define_split for bad doloop_end): New.
8416 (lsetup_with_autoinit): New define_insn.
8417 (lsetup_without_autoinit): New define_insn.
8418 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8419 * config/bfin/predicates.md (lc_register_operand): New.
8420 (lt_register_operand): New.
8421 (lb_register_operand): New.
8422 (nondp_register_operand): New.
8423 (nondp_reg_or_memory_operand): New.
8424 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8426 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8428 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8429 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8431 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8433 * Makefile.in (CATALOGS): Add po/ prefix.
8434 * configure: Regenerated.
8436 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8439 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8440 a shift operand before calling shift_op. Avoid redundant call of
8443 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8444 DJ Delorie <dj@redhat.com>
8446 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8447 we're inserting is a singlt-bit constant.
8449 2006-05-30 Roger Sayle <roger@eyesopen.com>
8451 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8452 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8454 2006-05-30 Roger Sayle <roger@eyesopen.com>
8456 PR tree-optimization/23452
8457 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8458 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8459 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8460 complex values and with -ffast-math for FP complex values.
8462 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8464 * c-common.h: Remove the prototype for yyparse.
8465 * rtl.h: Remove the prototype for init_loop.
8467 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8469 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8472 2006-05-30 Roger Sayle <roger@eyesopen.com>
8474 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8476 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8477 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8479 2006-05-30 Dirk Mueller <dmueller@suse.de>
8482 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8483 for CONSTANT_CLASS_P expresisons.
8485 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8488 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8490 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8492 PR tree-optimization/27779
8493 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8494 initial_condition instead of CHREC_LEFT.
8496 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8498 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8499 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8500 Make prototypes ISO C90.
8502 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8503 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8505 * see.c (see_analyze_one_def): Correct check.
8506 (see_get_extension_data): Check if extension is parallel.
8507 (see_get_extension_reg): Likewise.
8509 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8512 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8513 into register for (code == GTU).
8515 2006-05-29 Roger Sayle <roger@eyesopen.com>
8517 PR tree-optimization/24964
8518 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8519 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8520 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8521 abs(x)*abs(x) as x*x for scalar floating point modes.
8523 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8526 * lambda-code.c (perfect_nestify): Don't copy statements
8527 in the inner loop: move them to the inner loop header.
8529 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8532 * c-tree.texi: Document OpenMP directives and clauses.
8534 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8536 * varasm.c (globalize_decl): Fix indentation.
8538 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8541 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8542 pass_fre, pass_store_ccp, pass_copy_prop,
8543 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8544 pass_return_slot, pass_object_size, pass_lim,
8545 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8546 pass_loop_prefetch and pass_stdarg.
8548 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8550 * config/bfin/bfin.opt (mfdpic): New option.
8551 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8552 (EXTRA_MULTILIB_PARTS): Likewise.
8553 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8554 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8556 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8557 (CRT_CALL_STATIC_FUNCTION): New.
8558 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8560 (CRT_CALL_STATIC_FUNCTION): New.
8561 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8563 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8564 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8565 (initialize_trampoline): Changed to handle FD-PIC code generation.
8566 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8567 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8568 (override_options): Disallow -mid-shared-library -mfdpic combination.
8569 Can't do unaligned ops if FD-PIC.
8570 Turn off flag_pic if trying to generate non-id-shared-library
8571 non-fdpic code, since it's not supported.
8572 (bfin_assemble_integer): New function.
8573 (TARGET_ASM_INTEGER): Define.
8574 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8576 * config/bfin/crtn.s: Restore them.
8577 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8579 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8580 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8581 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8582 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8583 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8585 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8586 FDPIC_REGS and FDPIC_FPTR_REGS.
8587 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8588 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8589 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8590 (load_funcdescsi): New pattern.
8591 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8592 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8593 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8595 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8597 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8600 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8602 * tree-flow.h: Remove the prototype for add_type_alias.
8603 * tree-ssa-alias.c (add_type_alias): Remove.
8605 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8607 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8608 config/fr30/fr30.md, config/i386/i386-interix.h,
8609 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8610 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8611 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8612 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8613 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8614 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8615 Follow spelling conventions.
8616 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8617 Follow spelling conventions.
8619 2006-05-27 Richard Guenther <rguenther@suse.de>
8622 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8623 to produce a constant of value 1 of generic type.
8625 2006-05-27 Dirk Mueller <dmueller@suse.de>
8627 * cgraphunit.c (decide_is_function_needed): Fix wrong
8630 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8632 PR rtl-optimization/27661
8633 * reload.c (find_reloads): When reloading a VOIDmode constant
8634 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8635 use Pmode as mode of the reload register.
8637 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8639 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8640 is enabled at -O and above.
8642 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8645 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8648 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8651 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8652 for anonymous variables explicitly declared by front ends.
8654 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8656 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8657 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8658 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8659 ref-all pointers, run a finalization pass for them.
8660 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8661 (finalize_ref_all_pointers): New function.
8662 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8663 regular pointer type to a ref-all pointer type.
8664 (get_tmt_for): Return the special memory tag for ref-all pointers.
8666 2006-05-25 Richard Guenther <rguenther@suse.de>
8669 * fold-const.c (fold_binary): Do not look at the stripped
8670 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8672 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8674 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8675 for LT and GT if the computed range is effectively empty.
8677 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8680 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8681 mips_quad_format formats instead of ieee_single_format,
8682 ieee_double_format and ieee_quad_format formats, respectively.
8684 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8686 PR tree-optimization/27639
8687 PR tree-optimization/26719
8688 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8689 call to scev_probably_wraps_p.
8690 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8691 used_in_pointer_arithmetic_p, convert_step): Removed.
8692 (nowrap_type_p): New function.
8693 (scev_probably_wraps_p): Rewritten.
8694 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8695 chrec_convert if chrec_convert_aggressive might have been used.
8696 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8697 scev_direction): New functions.
8698 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8699 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8700 instead of convert_step.
8701 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8702 (convert_step): Declaration removed.
8703 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8705 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8707 * df-core.c: Added to header comments.
8708 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8709 df_ur_bb_info, df_urec_bb_info): Added comments.
8710 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8711 urec, ri problems): Fixed header comments.
8712 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8713 code from df_rd_transfer_function.
8715 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8717 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8718 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8719 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8721 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8723 * expr.c (undefined_operand_subword_p): New.
8724 (emit_move_multi_word): Do not generate move from undefined bits
8725 of a paradoxical subreg.
8727 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8729 PR rtl-optimization/27736
8730 * combine.c (replaced_rhs_value): New variable.
8731 (combine_instructions): Set it.
8732 (distribute_notes): When distributing a note in replaced_rhs_insn,
8733 check whether the value was used in replaced_rhs_value.
8735 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8738 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8739 add_referenced_var instead of add_referenced_tmp_var.
8740 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8741 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8743 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8744 tree_optimize_tail_calls_1): Use add_referenced_var.
8745 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8746 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8747 Use add_referenced_var.
8748 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8749 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8750 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8751 Use add_referenced_var.
8752 * tree-dfa.c (struct walk_state): Remove.
8753 (find_referenced_vars): Remove walk state and vars_found hash table.
8754 (make_rename_temp): Use add_referenced_var.
8755 (find_vars_r): Pass less parameters to add_referenced_var.
8756 (referenced_var_p): New. Is var in referenced_var hash table.
8757 (referenced_var_insert): Assert var isn't already in hash table.
8758 (add_referenced_var): Don't need walk_state parameter. Add var if it
8759 isn't already in the hash table.
8760 (add_referenced_tmp_var): Remove.
8761 (find_new_referenced_vars_1): Use add_referenced_var.
8762 * tree-ssa-pre.c (create_expression_by_pieces,
8763 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8764 Use add_referenced_var.
8765 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8766 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8767 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8769 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8770 vect_create_data_ref_ptr, vect_create_destination_var,
8771 vect_init_vector, vect_build_loop_niters,
8772 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8773 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8774 Use add_referenced_var.
8775 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8776 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8777 (add_referenced_var): Add prototype.
8778 * tree-ssa-structalias.c (get_constraint_for,
8779 intra_create_variable_infos): Use add_referenced_var.
8781 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8783 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8784 big-endian paradoxical subregs.
8785 * var-tracking.c (struct micro_operation_def): Document that,
8786 for modify micro operations, insn is the subsequent instruction.
8787 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8788 (var_reg_set, var_mem_set): ... new functions.
8789 (add_stores): Record subsequent insn.
8790 (compute_bb_dataflow): Use new functions for MO_USE.
8791 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8792 notes after the insn, and modify notes before the insn known
8793 to be the subsequent one.
8794 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8796 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8799 * config/i386/i386.c (ix86_expand_builtin): Use
8800 gen_sse3_monitor64 for TARGET_64BIT.
8802 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8804 PR rtl-optimization/26375
8805 PR rtl-optimization/26855
8806 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8808 (df_ru_bb_local_compute): Reversed statements and removed bogus
8809 comment explaining why they should be in wrong order.
8810 (df_ru_dump, df_rd_dump): Enhanced debug info.
8811 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8813 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8814 reaching uses and fixed space problem.
8816 2006-05-23 Jan Hubicka <jh@suse.cz>
8818 * cgraphunit.c (decide_is_function_needed): Also nested functions
8819 and functions declared inline can be optimized out at -O0.
8821 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8823 * doc/install.texi (Configuration): Remove reference to CrossGCC
8827 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8830 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8831 ix86_compare_emitted is non-NULL.
8833 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8836 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8839 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8841 PR rtl-optimization/25514
8842 * combine.c (replaced_rhs_insn): New variable.
8843 (combine_instructions): Set replaced_rhs_insn when trying to replace
8844 a SET_SRC with a REG_EQUAL note.
8845 (distribute_notes): Use replaced_rhs_insn when determining the live
8846 range of a REG_DEAD register.
8848 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8849 Anatoly Sokolov <aesok@post.ru>
8851 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8852 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8853 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8854 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8855 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8856 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8857 at90usb647, at90usb1286 and at90usb1287 devices.
8858 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8859 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8861 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8863 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8865 2006-05-22 Richard Guenther <rguenther@suse.de>
8868 2006-01-31 Richard Guenther <rguenther@suse.de>
8869 Paolo Bonzini <bonzini@gnu.org>
8871 * doc/install.texi (--disable-libgcc-math): Document.
8873 2006-05-22 Richard Guenther <rguenther@suse.de>
8876 2006-01-31 Richard Guenther <rguenther@suse.de>
8878 * doc/invoke.texi (-msselibm): Document.
8879 * target.h (expand_library_builtin): New target hook.
8880 * builtins.c (expand_builtin): Use expand_library_builtin.
8881 (default_expand_library_builtin): New function.
8882 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8883 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8884 (link_gcc_math_spec): Declare.
8885 (static_specs): Add link_gcc_math_spec.
8886 * expr.h (default_expand_library_builtin): Declare.
8887 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8888 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8889 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8890 * config/i386/i386.opt (msselibm): New target option.
8891 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8892 (ix86_init_sse_abi_builtins): New function.
8893 (ix86_expand_library_builtin): Likewise.
8894 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8895 (override_options): Handle error conditions wrt -msselibm.
8896 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8897 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8898 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8901 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8904 * c-common.c (self_promoting_args_p): Skip erroneous args.
8907 * c-decl.c (finish_struct): Skip erroneous fields.
8909 2006-05-22 Nick Clifton <nickc@redhat.com>
8911 * config/cris/cris.opt (march): Remove VarExists attribute.
8912 (max-stackframe=): Likewise.
8914 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8916 * doc/rtl.texi: Fix a typo.
8917 * see.c: Fix comment typos.
8919 * tree-ssa-structalias.h (alias_info): Remove num_references.
8921 2006-05-21 Mike Stump <mrs@apple.com>
8923 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8925 (darwin_pragma_options): Use BAD instead.
8926 (darwin_pragma_unused): Likewise.
8927 (darwin_pragma_ms_struct): Likewise.
8929 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8931 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8933 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8935 PR rtl-optimization/27671
8936 * simplify-rtx.c (simplify_relational_operation_1): Fix
8937 simplifications of (eq/ne (xor x y) y) and
8938 (eq/ne (xor x y) x).
8940 PR tree-optimization/26622.
8941 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8944 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8946 * tree-cfg.c: Prune whitespace.
8947 (debug_tree_cfg): Point to correct header containing the
8950 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8953 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8955 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8958 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8959 or sorry count is non zero.
8961 2006-05-20 Andreas Schwab <schwab@suse.de>
8963 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8965 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8966 Kenneth Zadeck <zadeck@naturalbridge.com>
8968 PR rtl-optimization/26855
8970 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8972 (df_scan_alloc): Added code to properly handle multiword hard
8973 registers and add all_blocks parameter.
8974 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8975 code to properly handle multiword hard registers.
8976 (df_rescan_blocks): Added code to remove deleted blocks from
8978 (df_ref_create_structure, df_ref_record): Added code to properly
8980 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8981 and set DF_REF_PARTIAL.
8982 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8983 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8984 (df_scan_add_problem): Added flags parameter.
8985 (df_ref_create_structure): Changed switching structure.
8986 (df_bb_refs_record): Fixed case where duplicate artificial refs
8987 were created. Changed location of flags.
8988 (df_record_entry_block_defs): Added code to make stack pointer
8989 live in entry block. Refined cases where frame pointer is needed.
8990 Changed location of flags.
8991 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8992 (df_set_state): Removed function.
8993 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8994 df_insn_create_insn_record, df_insn_refs_delete,
8995 df_ref_create_structure): Formatting changes.
8996 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8997 df_delete_basic_block): New function.
8998 (df_init): Changed location of flags.
8999 (df_add_problem): Added flags parameter and the way flags are
9001 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
9002 debug_df_chain): Improved debugging output.
9003 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
9004 (df_refs_chain_dump): Removed df parameter.
9005 (df_iterative_dataflow): Added consistency check.
9006 (df_prune_to_subcfg): Made public.
9007 (df_analyze_problem): Added blocks_to_init parameter and made
9009 (df_ref_record, df_bb_refs_record, df_mark_reg,
9010 df_record_exit_block_uses): Whitespace changes.
9011 (df_dump): Whitespace changes.
9012 * df.h: Some reordering to remove forward references.
9013 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9014 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9015 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9016 (dataflow.flags): New field.
9017 (df.flag): Deleted field.
9018 (df_alloc_function): Added additional bitmap parameter.
9019 (df_dependent_problem_function): New type.
9020 (df_problem.changeable_flags): New field.
9021 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9022 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9023 (df_mw_hardreg): New struct.
9024 (DF_INSN_UID_MWS): New macro.
9025 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9027 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9028 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9029 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9030 (df_set_state): Removed function.
9031 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9032 * df-problems.c (df_chain_dump): Removed df parameter.
9033 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9034 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9036 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9037 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9038 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9039 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9040 DF_REF_MUST_CLOBBER cases.
9041 (df_ru_bb_local_compute_process_def,
9042 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9043 df_lr_bb_local_compute, df_ur_bb_local_compute,
9044 df_chain_create_bb): Made subreg aware.
9045 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9046 df_lr_bb_local_compute, df_lr_bb_local_compute,
9047 df_chain_create_bb): Cleanup to use proper macros.
9048 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9049 code to fixup bitvectors.
9050 (df_ri_alloc): Cleared lifetime.
9051 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9052 df_create_unused_note): New function.
9053 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9054 REG_DEAD and REG_UNUSED notes as well as register information.
9055 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9056 df_chains_dump): Fixed crash if problem was never run.
9057 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9058 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9059 df_ri_add_problem): Processes flags in uniform manner.
9060 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9061 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9062 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9063 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9064 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9065 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9066 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9067 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9068 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9069 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9070 * see.c (see_initialize_data): Ditto.
9071 * final.c (rest_of_clean_state) Added regstack_completed.
9072 * rtl.h (regstack_completed): Ditto.
9073 * reg-stack.c (regstack_completed): Ditto.
9075 2006-05-19 Mike Stump <mrs@apple.com>
9077 * c-tree.h (default_conversion): Remove.
9078 * c-common.h (default_conversion): Add.
9080 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9082 * tree-vrp.c (valid_value_p): New function.
9083 (adjust_range_with_scev): Fail if the value of bound is not
9086 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9088 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9089 (mips_fallback_frame_state): Use syscall numbers to determine
9090 the appropriate li instruction for the current ABI. Only use
9091 __NR_sigreturn for o32.
9093 2006-05-19 Nicolas Setton <setton@adacore.com>
9095 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9096 * langhooks.c (lhd_dwarf_name): New function.
9097 * langhooks-def.h (lhd_dwarf_name): Declare.
9098 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9099 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9101 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9103 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9105 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9106 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9107 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9108 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9109 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9110 determine the size of Wtype, etc.
9111 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9112 (swfloatfuncs): New variable.
9113 (dwfloatfuncs): Likewise.
9114 (lib2funcs): Remove floating-point conversion functions from
9115 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9116 the set of conversion routines needed. Allow entries to specify
9117 an object name, filename and word size. Update users accordingly.
9118 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9119 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9123 2006-02-08 Roger Sayle <roger@eyesopen.com>
9126 * config/fixtfdi.c: New libgcc source file.
9127 * config/fixunstfdi.c: New source file.
9128 * config/floatditf.c: New source file.
9129 * config/floatunditf.c: New souce file.
9130 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9131 files above instead of config/mips/_tilib.c.
9132 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9134 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9136 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9137 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9139 2006-05-18 Mike Stump <mrs@apple.com>
9141 Fix up vla, vm and [*] sematics.
9147 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9148 (c_vla_unspec_p): Add.
9149 (c_vla_type_p): Add.
9150 * c-decl.c (struct c_scope): Add had_vla_unspec.
9151 (build_array_declarator): Add support for [*].
9152 (grokdeclarator): Likewise.
9153 (grokparms): Likewise.
9154 (get_parm_info): Likewise.
9155 * c-objc-common.c (c_vla_unspec_p): Likewise.
9156 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9157 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9158 typeof when argument is a variably modified type not inside sizeof or alignof.
9159 (c_parser_direct_declarator_inner): Propagate errors.
9160 (c_parser_sizeof_expression): Add support for [*].
9161 (c_parser_parms_declarator): Initialize had_vla_unspec.
9162 (c_parser_parms_list_declarator): Likewise.
9163 * c-typeck.c (c_vla_type_p): Add.
9164 (composite_type): Add support for vla compositing.
9165 (comptypes_internal): Add support for vla compatibility.
9166 (c_expr_sizeof_expr): Evaluate vla arguments.
9167 * tree.c (variably_modified_type_p): Update comment for [*].
9169 2006-05-18 Michael Matz <matz@suse.de>
9172 * config.host: Make assignments to host_xmake_file cumulative.
9173 * config.host (*-darwin*): Test $host, not $target.
9175 2006-05-12 Stuart Hastings <stuart@apple.com>
9177 * config/i386/i386.opt (-mstackrealign): New flag.
9178 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9179 (ix86_handle_cconv_attribute): Emit error when
9180 force_align_arg_pointer attribute collides with too many regparms.
9181 (ix86_function_regparm): Limit regparms when used with
9182 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9183 Support stack-realigning prologue in non-main functions. Emit
9184 warning for nested functions under -mstackrealign, emit error for
9185 nested functions with force_align_arg_pointer attribute.
9186 * doc/extend.texi (force_align_arg_pointer): Document it.
9187 * doc/invoke.texi (-mstackrealign): Document it.
9189 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9191 PR rtl-optimization/27477
9192 * combine.c (try_combine): Don't split a parallel consisting
9193 of two sets into two individual sets if both sets reference
9196 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9198 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9199 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9201 * doc/options.texi (VarExists): Updated.
9203 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9205 * unwind-dw2.c: Add declarations for uw_update_context and
9207 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9208 detected, advance frame state and context once to skip over stub.
9210 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9214 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9215 Call rewrite_into_loop_closed_ssa only when something changed.
9216 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9217 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9218 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9219 Test for perfect_nest_p here. Fix formating.
9220 (replace_uses_equiv_to_x_with_y): Fix formating.
9221 (stmt_uses_op): Removed.
9222 (can_convert_to_perfect_nest): Removed loopivs parameter.
9223 Complete the test by checking the scalar dependences.
9224 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9227 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9230 From Dan Kegel <dank@kegel.com>:
9231 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9233 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9235 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9236 if the element type is variably modified without recursing.
9238 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9241 * tree-loop-linear.c (try_interchange_loops): Test for
9242 no data dependences.
9244 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9246 PR tree-optimization/27548
9247 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9248 range of ssa names that appear on abnormal edges.
9249 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9250 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9252 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9255 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9257 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9260 * tree.h (OMP_PARALLEL_COMBINED): Define.
9261 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9262 (new_omp_context): Add is_combined_parallel argument.
9263 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9264 new_omp_context caller.
9265 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9266 Adjust gimplify_scan_omp_clauses callers.
9267 (omp_is_private): Issue errors if iteration variable is firstprivate
9268 or reduction in the current context.
9269 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9270 on combined parallel workshare constructs.
9272 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9274 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9275 (gcc-options.o): New rule.
9277 * optc-gen.awk: Protect variables for gcc-options.o with
9278 #ifdef GCC_DRIVER/#endif.
9280 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9282 Fix PR tree-optimization/27373
9283 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9284 (forward_propagate_addr_expr): Update call.
9286 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9288 * doc/options.texi: Move the Negative option.
9290 2006-05-16 Richard Guenther <rguenther@suse.de>
9292 PR tree-optimization/22303
9293 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9295 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9296 ccp_fold did not simplify the statement.
9298 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9301 * Makefile.in (GCC_OBJS): New.
9302 (OBJS-common): Add opts-common.o.
9303 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9304 (cpp$(exeext)): Likewise.
9305 (gcc.o): Also depend on opts.h.
9306 (opts-common.o): New.
9308 * common.opt (gcoff): Add Negative(gdwarf-2).
9309 (gdwarf-2): Add Negative(gstabs).
9310 (gstabs): Add Negative(gstabs+).
9311 (gstabs+): Add Negative(gvms).
9312 (gvms): Add Negative(gxcoff).
9313 (gxcoff): Add Negative(gxcoff+).
9314 (gxcoff+): Add Negative(gcoff).
9315 * config/i386/i386.opt (m32): Add Negative(m64).
9316 (m64): Add Negative(m32).
9318 * doc/options.texi: Document the Negative option.
9320 * gcc.c: Include "opts.h".
9321 (main): Call prune_options after expandargv.
9323 * optc-gen.awk: Generate common declarations for all flag
9324 variables in options.c. Output the neg_index field.
9326 * opts.c (find_opt): Moved to ...
9327 * opts-common.c: Here. New file.
9329 * opts.h (cl_option): Add a neg_index field.
9331 (prune_options): Likewise.
9333 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9336 * omp-low.c (expand_omp_parallel): Don't assert
9337 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9338 instead search for it.
9341 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9344 2006-05-16 Andreas Schwab <schwab@suse.de>
9346 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9349 2006-05-15 Roger Sayle <roger@eyesopen.com>
9352 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9353 integer constants other than zero are only legitimate on TARGET_64BIT.
9354 <CONST_VECTOR> Only zero vectors are legitimate.
9355 (ix86_cannot_force_const_mem): Integral and vector constants can
9356 always be put in the constant pool.
9358 2006-05-16 DJ Delorie <dj@redhat.com>
9360 * crtstuff.c (__dso_handle): Set section from
9361 TARGET_LBIGCC_SDATA_SECTION if defined.
9362 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9363 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9365 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9368 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9371 2006-05-16 Ben Elliston <bje@au.ibm.com>
9373 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9375 2006-05-15 Per Bothner <per@bothner.com>
9377 * tree.c: (last_annotated_node): Use source_locus typedef.
9378 This permits bootstrapping with --enable-mapped-location.
9380 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9382 PR tree-optimization/26830
9383 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9384 (info_for_ssa_name, current_info_for_ssa_name_age,
9385 blocks_to_update): New variables.
9386 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9387 (clear_ssa_name_info, initialize_flags_in_bb,
9388 mark_block_for_update): New functions.
9389 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9390 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9391 prepare_def_site_for): Use mark_block_for_update.
9392 (mark_def_interesting): Assert that the processed block is marked in
9393 blocks_to_update. Do not take blocks argument.
9394 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9396 (rewrite_update_init_block, rewrite_update_stmt): Only process
9397 blocks with statements to rewrite.
9398 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9399 (update_ssa): Initialize and free blocks_to_update. Do not
9400 clear flags on statements. Do not use blocks bitmap.
9401 * tree.h (SSA_NAME_AUX): Removed.
9402 (struct tree_ssa_name): Removed aux field.
9403 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9405 2006-05-15 Richard Guenther <rguenther@suse.de>
9407 PR tree-optimization/27603
9408 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9409 Do computations in original type.
9411 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9413 * see.c: Code style changes such as redundant paranthesis,
9414 redundant intialization of local variables etc.
9415 (see_main): Declared now as static.
9416 * doc/invoke.texi: Update that -fsee is not enabled by
9419 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9421 * omp-low.c (check_omp_nesting_restrictions): New function.
9422 (scan_omp_1): Call it.
9425 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9426 construct, return *VAR.
9428 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9430 PR rtl-optimization/27406
9431 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9434 2006-05-14 Roger Sayle <roger@eyesopen.com>
9436 PR rtl-optimization/27538
9437 * combine.c (expand_compound_operation): Call gen_lowpart
9438 before calling simplify_shift_const.
9440 2006-05-14 Roger Sayle <roger@eyesopen.com>
9442 PR rtl-optimization/22563
9443 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9444 a fixed width bitfield, always force the intermediates into psuedos.
9446 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9449 * mkconfig.sh: Use operator = instead of == for test.
9451 2006-05-13 Nick Clifton <nickc@redhat.com>
9453 * dwarf2out.c (dbx_reg_number): Check return value from
9454 LEAF_REG_REMAP and only use it if it is valid.
9455 (multiple_reg_loc_descriptor): Likewise.
9457 2006-05-13 Richard Guenther <rguenther@suse.de>
9459 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9462 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9464 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9465 information attached to non-INSNs such as NOTEs.
9466 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9468 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9470 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9472 * config/s390/s390.md: Adjust comment describing On constraint.
9474 2006-05-11 Jan Hubicka <jh@suse.cz>
9476 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9477 to be output at -O0.
9479 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9482 * fold-const.c (size_binop): Move sanity check for arguments to
9483 the beginning of the function.
9486 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9489 2006-05-11 Richard Guenther <rguenther@suse.de>
9492 * fold-const.c (fold_unary): Handle intermediate conversion
9493 to a pointer type like intermediate conversion to an integer
9494 type in folding of (T1)(T2)var to var.
9495 Match the code to the comment in the final conversion for
9496 (T1)(T2)var to (T1)var regarding to type precision. Rather
9497 than disallow T1 being of pointer type, assert that both T1
9498 and var are of pointer type or not. Make sure not to fall
9499 over the frontends lazyness wrt array to pointer decay though.
9501 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9503 * arm.c (arm_struct_value_rtx): Delete.
9504 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9505 (arm_init_cumulative_args): Always initialize nregs to zero.
9507 2006-05-10 Richard Guenther <rguenther@suse.de>
9509 PR tree-optimization/27532
9510 * tree-object-size.c (plus_expr_object_size): Fix typo.
9512 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9515 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9516 ashrdi_const, ashrdi3): Use a scratch register.
9518 2006-05-10 Richard Guenther <rguenther@suse.de>
9520 PR tree-optimization/27302
9521 * fold-const.c (operand_equal_p): For two comparisons,
9522 try comparison of one comparison code swapped if that yields
9525 2006-05-10 Ben Elliston <bje@au.ibm.com>
9527 * tree-pretty-print.c (pretty_print_string): No need to handle
9528 '\0' as a special character.
9530 * tree.h: Include "hashtab.h".
9531 (iterative_hash_expr): Use hashval_t in its prototype.
9532 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9534 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9537 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9538 (hppa*64*-*-hpux11*): Ditto.
9539 (hppa[12]*-*-hpux11*): Ditto.
9541 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9544 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9546 2006-05-09 Michael Matz <matz@suse.de>
9548 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9549 host_extra_gcc_objs and host_xmake_file.
9550 (<*-*-linux*>): Don't overwrite host_xmake_file.
9551 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9552 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9553 (host_detect_local_cpu): Declare.
9554 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9555 * config/i386/i386.c (override_options): Handle -mtune=native
9557 * config/i386/x-i386: New file.
9558 * config/i386/driver-i386.c: New file.
9559 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9562 2006-05-09 Dirk Mueller <dmueller@suse.de>
9563 Richard Guenther <rguenther@suse.de>
9566 * fold-const.c (fold_read_from_constant_string): Relax check
9567 for matching types to matching modes.
9569 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9571 PR rtl-optimization/27335
9572 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9575 2006-05-08 Chao-ying Fu <fu@mips.com>
9576 Richard Sandiford <richard@codesourcery.com>
9578 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9579 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9580 * config/mips/mips.md (UNSPEC_SCC): New constant.
9581 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9582 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9583 (mips_emit_compare): Use it.
9584 (mips_expand_vcondv2sf): New function.
9586 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9588 Fix PR tree-optimization/27093
9589 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9590 renaming when they become not-used_alone.
9592 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9594 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9595 relocation and relocation stubs.
9597 2006-05-08 Eric Christopher <echristo@apple.com>
9599 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9602 2006-05-08 Jan Hubicka <jh@suse.cz>
9605 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9606 unused static functions are needed.
9608 2006-05-08 Roger Sayle <roger@eyesopen.com>
9611 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9612 of a reg_equiv_constant if the result is a legitimate constant.
9614 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9617 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9618 standard 80387 constants, raise the cost to prevent
9619 compress_float_constant() to generate load from memory.
9621 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9623 * config/arm/constraints.md (c): Fix a typo.
9625 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9628 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9631 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9633 (_mm_mwait): Likewise.
9635 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9637 (sse3_monitor): Make it 32bit only.
9638 (sse3_monitor64): New. 64bit monitor.
9640 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9643 * config/i386/i386.c (classify_argument): Skip fields with invalid
9646 2006-05-07 Richard Guenther <rguenther@suse.de>
9648 PR tree-optimization/27409
9649 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9650 Do not try to find zero-sized subvars.
9652 2006-05-07 Richard Guenther <rguenther@suse.de>
9654 PR tree-optimization/27136
9655 * tree-ssa-loop-niter.c (get_val_for): Correct function
9656 comment, assert requirements.
9657 (loop_niter_by_eval): Stop processing if the iterated
9658 value did not simplify.
9660 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9662 * opts.c (flag_see): remove its setting at -O3.
9664 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9666 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9667 * arm/constraints.md: New file.
9668 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9669 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9670 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9671 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9672 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9673 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9674 * arm.md: Include constraints.md.
9675 (thumb_movsi_insn): Use satisfies_constraint_J.
9676 (movhi, movqi): Use satisfies_constraint_I.
9678 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9680 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9681 for atmeg a645 device.
9683 2006-05-06 Richard Guenther <rguenther@suse.de>
9685 PR tree-optimization/27151
9686 * tree-vect-transform.c (vectorizable_condition): Punt on
9687 values that have a different type than the condition.
9689 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9692 * c-parser.c (c_parser_cast_expression): Only insert casts into
9693 hash table if pointer.
9694 * function.c (used_types_insert_helper): Rename from
9696 (used_types_insert): Call used_types_insert_helper.
9697 * function.h (used_types_insert): Accept only one argument.
9699 2006-05-05 David Edelsohn <edesohn@gnu.org>
9701 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9702 scratch with output modifier.
9704 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9707 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9708 with output modifier.
9710 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9713 * config/mips/mips.c (mips_symbolic_address_p): Return true
9714 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9715 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9717 2006-05-04 Richard Guenther <rguenther@suse.de>
9719 PR tree-optimization/14287
9720 PR tree-optimization/14844
9721 PR tree-optimization/19792
9722 PR tree-optimization/21608
9723 PR tree-optimization/27090
9724 * tree-ssa-pre.c (try_combine_conversion): New function.
9725 (compute_avail): After constructing the value-handle
9726 expression, use try_combine_conversion to combine NOP_EXPRs
9727 with previous value-handle expressions and use the result if it
9730 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9732 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9734 2006-05-04 Jan Hubicka <jh@suse.cz>
9737 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9739 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9741 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9742 that this only matches CONST_INTs. All users changed to VOIDmode
9745 * config/bfin/bfin.c: Include "optabs.h".
9746 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9748 (enum bfin_builtins): Add a number of fractional and vector builtins.
9749 (bfin_init_builtins): Likewise.
9750 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9751 (safe_vector_operand, bfin_expand_binop_builtin,
9752 bfin_expand_unop_builtin): New functions.
9753 (bfin_expand_builtin): Handle the new builtins.
9754 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9757 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9760 * Makefile.in (OBJS-common): Add see.o.
9761 (see.o): Add dependencies.
9762 * common.opt (fsee): New flag for the see optimization was added.
9763 * opts.c (flag_see): Initialized.
9764 * passes.c (init_optimization_passes, pass_see): New pass.
9765 * rtl.h (see_main): Declaration as extern.
9766 * timevar.def (TV_SEE): New.
9767 * tree-pass.h (pass_see): Declaration as extern.
9768 * invoke.texi (-fsee): Document.
9769 * recog.c (validate_simplify_insn): New function.
9770 * recog.h (validate_simplify_insn): Declaration as extern.
9771 * df-problems.c (df_chain_dump): Check for NULL.
9773 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9774 Daniel Berlin <dberlin@dberlin.org>
9776 * cfgrtl.c (insert_insn_bb_end_new): New function.
9777 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9779 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9781 * df.h (struct web_entry): Moved from web.c.
9782 (union_defs): Declaration as extern.
9783 (unionfind_root): Likewise.
9784 (unionfind_union): Likewise.
9785 * web.c (struct web_entry): Moved to df.h.
9786 (unionfind_root): Remove static declaration.
9787 (unionfind_union): Likewise.
9788 (union_defs): Likewise and generalize to use callback function.
9789 (web_main): Update arguments for union_defs function call.
9791 2006-05-04 Richard Guenther <rguenther@suse.de>
9793 PR tree-optimization/26447
9794 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9795 produce SSA_NAME copies before the store stmt to avoid
9796 breaking exception handling.
9798 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9801 * gimplify.c (omp_is_private): If var is shared in some outer context,
9802 return false instead of true. Stop searching on parallel context
9805 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9808 * coverage.c: Use get_gcov_unsigned_t() instead of
9809 unsigned_type_node all over.
9811 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9813 PR tree-optimization/27381
9814 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9815 maintain the same immediate_use links.
9816 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9817 node rather than segfaulting.
9819 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9822 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9823 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9824 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9826 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9828 Fix PR tree-optimization/26626
9829 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9831 * tree-ssa-operands.c (access_can_touch_variable): Allow
9832 typecasting through union pointers.
9834 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9837 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9838 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9839 to find if var will be a global variable even in the nested context.
9840 (omp_copy_decl): Only check for global variable at the end, it might
9841 be overridden in outer contexts.
9842 (scan_sharing_clauses): For global variables don't create a field.
9843 (lower_rec_input_clauses): Do nothing for global shared variables.
9844 Emit a barrier at the end of ILIST if there were any decls in both
9845 firstprivate and lastprivate clauses.
9846 (lower_send_clauses): Do nothing for global variables except for
9849 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9851 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9852 of the correct signedness is returned.
9854 2006-05-02 Jeff Law <law@redhat.com>
9856 PR tree-optimization/27364
9857 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9858 multiply expressions.
9860 2006-05-02 Tom Tromey <tromey@redhat.com>
9862 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9864 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9867 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9868 -mthumb -fPIC are used.
9870 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9871 Joshua Kinard <kumba@gentoo.org>
9874 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9875 with 64-bit pointers.
9877 2006-05-02 Paul Brook <paul@codesourcery.com>
9879 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9881 (create_fix_barrier): Check that a suitable barrier location is
9883 (arm_reorg): Include ftmp->address in allowable range of addresses.
9885 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9888 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9891 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9894 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9895 around RESULT_DECL for result passed by reference.
9896 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9897 * omp-low.c (use_pointer_for_field): Don't look at
9898 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9899 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9900 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9901 time or var for passing by reference for
9902 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9903 TREE_ADDRESSABLE variables when passing by reference.
9905 * omp-low.c (dump_omp_region): Fix output formatting.
9908 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9909 (expand_omp_parallel): Likewise.
9910 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9913 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9914 on statement list containing also constructors and destructors.
9915 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9918 * except.c (duplicate_eh_regions): Fix clearing of
9919 cfun->eh->region_array entries.
9921 2006-05-01 DJ Delorie <dj@redhat.com>
9923 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9925 (gcc_cv_objdump): Likewise.
9926 * configure: Regenerated.
9928 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9931 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9932 templates for case 3 and 4.
9934 2006-05-01 DJ Delorie <dj@redhat.com>
9936 * vec.c: Include bconfig.h when appropriate.
9937 * Makefile.in (build/vec.o): Adjust dependencies.
9938 * mkconfig.sh: Make sure config.h isn't used for build machine
9941 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9943 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9945 (mark_phi_for_rewrite): New function.
9946 (insert_phi_nodes_for, mark_use_interesting): Call
9947 mark_phi_for_rewrite.
9948 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9949 (update_ssa): Initialize and free phis_to_rewrite.
9951 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9953 PR rtl-optimization/27291
9954 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9955 folded to a constant.
9957 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9959 PR tree-optimization/27283
9960 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9961 not whole # of iteration descriptions.
9962 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9963 uses abnormal ssa name.
9964 (niter_for_single_dom_exit): Ditto.
9965 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9966 return just the number of iterations.
9968 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9970 PR tree-optimization/27144
9971 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9972 (record_estimate): Only record constant upper bound.
9973 (infer_loop_bounds_from_undefined): Call
9974 compute_estimated_nb_iterations just once.
9975 (proved_non_wrapping_p): Renamed to ...
9976 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9977 (convert_step_widening, scev_probably_wraps_p): Call
9978 n_of_executions_at_most instead of proved_non_wrapping_p.
9979 (substitute_in_loop_info): Do not replace values in bounds.
9980 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9983 2006-05-01 Richard Henderson <rth@redhat.com>
9986 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9987 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9990 2006-05-01 Roger Sayle <roger@eyesopen.com>
9992 * c-typeck.c (parser_build_binary_op): Don't call the function
9993 unsigned_conversion_warning to spot operand/result type overflow.
9994 (build_binary_op): Instead, call convert_and_check instead of
9995 convert to report the problem when the operands are promoted.
9996 * c-common.c (unsigned_conversion_warning): Make static.
9997 * c-common.h (unsigned_conversion_warning): Delete prototype.
9999 2006-05-01 Richard Guenther <rguenther@suse.de>
10001 PR tree-optimization/26726
10002 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
10004 (find_interesting_uses_address): ... we work around here
10005 by folding INDIRECT_REFs in the substituted base.
10007 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10009 * omp-low.c (dump_omp_region): Add newlines.
10011 2006-04-30 Roger Sayle <roger@eyesopen.com>
10013 * common.opt (Woverflow): New command line option.
10014 * c-common.c (constant_expression_warning): Check warn_overflow.
10015 (overflow_waring): Pass OPT_Woverflow to warning.
10016 (unsigned_conversion_warning): Likewise.
10017 (convert_and_check): Likewise.
10018 * doc/invoke.texi: Document new command line option.
10020 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10022 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10023 TARGET_NO_FP_IN_TOC for section anchors.
10024 (optimization_options): Enable section anchors for all
10025 non-"Objective" languages.
10027 2006-04-28 Eric Christopher <echristo@apple.com>
10029 * config/darwin-c.c (darwin_ms_struct): Move this
10030 (darwin_set_default_type_attributes): and this...
10031 * config/darwin.c: ... here.
10032 * config/darwin.h (darwin_ms_struct): Declare.
10034 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10036 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10038 2006-04-28 Roger Sayle <roger@eyesopen.com>
10041 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10042 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10043 an unsigned HOST_WIDE_INT.
10044 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10046 (really_start_incremental_init): No need to call convert because
10047 bitsize_zero_node is already of type bitsizetype.
10048 (push_init_level): Extract the value of constructor_index as an
10049 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10050 (process_init_element): Likewise.
10052 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10054 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10055 value before passing to make_relative_prefix.
10057 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10059 PR middle-end/27260
10060 * builtins.c (expand_builtin_memset): Expand val in original mode.
10062 2006-04-27 Eric Christopher <echristo@apple.com>
10064 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10065 with #ifndef/#endif.
10066 * config/darwin-c.c (darwin_ms_struct): New.
10067 (darwin_pragma_ms_struct): Ditto.
10068 (darwin_set_default_type_attributes): Ditto.
10069 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10070 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10071 Register ms_struct pragma.
10072 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10073 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10074 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10075 darwin_set_default_type_attributes if TARGET_MACHO.
10077 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10079 PR tree-optimization/26854
10080 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10081 * doc/tree-ssa.texi: Update immuse iterator documentation.
10082 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10083 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10084 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10085 first_safe_imm_use, next_safe_imm_use): Remove.
10086 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10087 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10088 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10089 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10090 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10091 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10092 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10093 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10094 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10095 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10096 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10097 (perfect_nestify): Use new iterator.
10098 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10100 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10101 (next_imm_name): New field in struct immediate_use_iterator_d.
10102 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10103 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10104 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10105 * tree-cfg.c (replace_uses_by): Use new iterator.
10106 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10107 * tree-ssa-operands.c (correct_use_link): Remove.
10108 (finalize_ssa_use_ops): No longer call correct_use_link.
10110 2006-04-27 Stuart Hastings <stuart@apple.com>
10112 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10113 * config/t-darwin (crt3.o): Use it.
10114 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10115 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10116 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10117 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10118 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10121 2006-04-27 Roger Sayle <roger@eyesopen.com>
10123 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10124 size, force the intermediate into a new pseudo rather instead of
10125 performing both a bitwise AND and a bitwise IOR in memory.
10127 2006-04-27 Richard Guenther <rguenther@suse.de>
10129 PR rtl-optimization/26685
10130 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10131 this one "max-flow-memory-locations".
10133 2006-04-27 Richard Guenther <rguenther@suse.de>
10135 PR tree-optimization/25148
10136 * tree-vrp.c (compare_values): Remove code dealing with
10137 comparisons against type min/max value. Honour overflow
10138 and negative constants in code dealing with comparisons
10139 of plus and minus expressions.
10140 (value_inside_range): Use fold_binary with LE_EXPR and
10141 GE_EXPR rather than compare_values.
10143 2006-04-27 Dirk Mueller <dmueller@suse.de>
10145 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10148 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10150 * basic-block.h (safe_insert_insn_on_edge): Removed.
10151 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10153 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10154 Paolo Bonzini <bonzini@gnu.org>
10156 PR middle-end/27282
10157 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10158 (simplify_and_const_int): Same.
10160 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10162 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10164 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10167 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10168 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10169 cgraph_global_info_ready.
10171 PR middle-end/26913
10172 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10175 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10176 either decl or init is error_mark_node.
10178 PR middle-end/25989
10179 * tree-flow.h (struct omp_region): Add sched_kind.
10180 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10181 instead of extracting omp for data.
10182 (expand_omp_for): Save extracted sched_kind.
10184 2006-04-25 Roger Sayle <roger@eyesopen.com>
10186 * expmed.c (store_bit_field): Also check whether the bitsize is
10187 valid for the machine's "insv" instruction before moving the
10188 target into a pseudo for use with the insv.
10189 * config/i386/predicates.md (const8_operand): New predicate.
10190 * config/i386/i386.md (extv, extzv, insv): Use the new
10191 const8_operand predicate where appropriate.
10193 2006-04-25 DJ Delorie <dj@redhat.com>
10195 * doc/install.texi (Specific): Clarify that this is not a list of
10196 supported hosts or targets.
10198 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10200 PR rtl-optimization/26725
10201 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10202 block's BB_DIRTY flag.
10204 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10206 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10209 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10210 to print an integer.
10212 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10214 * varasm.c (align_variable): New function.
10215 (get_block_for_decl): Apply align_variable to DECL before
10216 calculating section information.
10217 (assemble_variable): Split out alignment computation.
10219 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10221 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10224 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10226 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10227 MODE_PARTIAL_INT mode.
10228 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10229 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10231 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10232 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10234 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10236 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10238 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10239 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10240 MACFLAG_IH): Likewise.
10241 (movstricthi_1): Renamed from "*movstricthi".
10242 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10243 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10244 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10245 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10246 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10247 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10248 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10249 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10250 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10251 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10252 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10253 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10254 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10255 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10256 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10258 * doc/rtl.texi (ss_ashift): Improve wording.
10260 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10262 * dwarf2out.c (verify_marks_clear): New.
10263 (prune_unused_types): Call verify_marks_clear initially, not
10266 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10268 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10269 * doc/rtl.texi: Document them.
10270 * simplify-rtx.c (simplify_unary_operation,
10271 simplify_binary_operation_1): Don't abort when we see them.
10273 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10276 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10277 * configure.ac: Completely disregard languages that are not
10279 * configure: Regenerated.
10281 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10282 Richard Guenther <rguenther@suse.de>
10284 PR tree-optimization/27236
10285 * tree-inline.c (copy_body_r): Make sure to copy
10286 TREE_THIS_VOLATILE flag.
10288 2006-04-24 Richard Guenther <rguenther@suse.de>
10290 PR middle-end/26869
10291 * tree-complex.c (update_parameter_components): Don't handle
10292 unused parameters which have no default def.
10294 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10295 Richard Guenther <rguenther@suse.de>
10297 PR tree-optimization/27218
10298 * tree-inline.c (expand_call_inline): Strip useless type
10299 conversions for the return slot address.
10301 2006-04-24 Richard Guenther <rguenther@suse.de>
10303 * cfgloop.h (struct loops): Remove unused field array. Reorder
10305 (LOOP_PREFETCH): Remove.
10307 2006-04-24 Richard Guenther <rguenther@suse.de>
10309 PR tree-optimization/22525
10310 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10311 variable, adjust types of generated expressions.
10313 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10315 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10316 (tree-vect-patterns.o): Likewise.
10317 (jump.o): Likewise.
10318 (cselib.o): Likewise.
10319 (loop-doloop.o): Likewise.
10320 (regclass.o): Likewise.
10321 (reload1.o): Likewise.
10322 (explow.o): Replace target.h with $(TARGET_H).
10323 (ipa-prop.o): Likewise.
10324 (ipa-cp.o): Likewise.
10325 (ipa-inline.o): Likewise.
10326 (reorg.o): Likewise.
10327 (reg-stack.o): Likewise.
10329 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10331 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10333 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10335 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10337 * configure.ac: Completely disregard languages that are not
10339 * configure: Regenerated.
10342 * c-common.h (c_build_bitfield_integer_type): Declare.
10343 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10344 * c-common.c (c_build_bitfield_integer_type): ... here.
10346 2006-04-23 Roger Sayle <roger@eyesopen.com>
10349 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10350 a SImode SUBREG of a floating point register after no_new_pseudos.
10352 2006-04-23 Roger Sayle <roger@eyesopen.com>
10354 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10355 identify potentially eliminable registers to additionally catch
10356 VIRTUAL_INCOMING_ARGS_REGNUM.
10357 (addsi3): Update the conditions on when to use addsi_small_int.
10359 2006-04-23 Roger Sayle <roger@eyesopen.com>
10362 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10363 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10364 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10366 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10368 * fold-const.c (range_predecessor): Use operand_equal_p
10369 as the predicate for equality.
10370 (range_successor): Likewise.
10372 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10375 * config/soft-fp/op-common.h: Fix a typo.
10377 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10379 PR libmudflap/26864
10380 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10381 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10383 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10385 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10387 * doc/tm.texi: Fix a typo.
10389 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10391 * dwarf2out.c (struct die_struct): Document that die_sib makes
10392 a circular linked list.
10393 (FOR_EACH_CHILD): New.
10394 (reverse_die_lists): Delete.
10395 (reverse_all_dies): Delete.
10396 (add_dwarf_attr): Correct documentation.
10397 (remove_child_with_prev): New.
10398 (remove_child_TAG): Update for change to die_struct, use
10399 remove_child_with_prev.
10400 (add_child_die): Update for change to die_struct.
10401 (splice_child_die): Use remove_child_with_prev and add_child_die.
10402 (print_die): Use FOR_EACH_CHILD.
10403 (die_checksum): Likewise.
10404 (assign_symbol_names): Likewise.
10405 (output_location_lists): Likewise.
10406 (build_abbrev_table): Likewise.
10407 (calc_die_sizes): Likewise.
10408 (mark_dies): Likewise.
10409 (unmark_dies): Likewise.
10410 (unmark_all_dies): Likewise.
10411 (output_die): Likewise.
10412 (prune_unused_types_mark): Likewise.
10413 (prune_unused_types_walk): Likewise.
10414 (same_die_p): Update for change to die_struct.
10415 (break_out_includes): Likewise.
10416 (prune_unused_types_prune): Likewise.
10417 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10418 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10419 it's already clear.
10420 (dwarf2out_finish): Don't call reverse_all_dies.
10422 2006-04-21 Eric Christopher <echristo@apple.com>
10424 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10425 in comments and function names.
10427 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10430 * c-typeck.c (digest_init): Robustify.
10432 * c-typeck.c (pop_init_level): Simplify.
10434 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10436 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10438 2006-04-21 Paul Brook <paul@codesourcery.com>
10440 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10441 hardware floating point.
10443 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10445 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10448 2006-04-21 Nick Clifton <nickc@redhat.com>
10450 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10453 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10456 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10457 C++ lang type in traceback table for Objective-C++.
10459 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10461 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10463 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10465 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10468 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10469 were errors. Remove check for erroneous objects.
10471 2006-04-20 Jeff Law <law@redhat.com>
10473 PR tree-optimization/26854
10474 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10475 checking for zero or one use.
10476 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10477 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10478 * tree-ssa-reassoc.c (negate_value): Similarly.
10479 (reassociate_bb): Similarly.
10481 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10483 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10484 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10485 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10487 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10489 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10490 fp regs if the last fp arg doesn't fit in regs.
10492 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10495 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10496 that the last insn has the REG_INC note.
10498 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10499 Nathan Sidwell <nathan@codesourcery.com>
10502 * stor-layout.c (update_alignment_for_field): Do not align
10504 (place_union_field): Place union field at the start of the union.
10505 (place_field): Move ERROR_MARK check later, and use the current
10506 allocation position to maintain monotonicity.
10508 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10510 * dominance.c: Include timevar.h.
10511 (calculate_dominance_info): Use TV_DOMINANCE.
10512 * timevar.def (TV_DOMINANCE): New timevar.
10513 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10515 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10517 PR rtl-optimization/14261
10518 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10519 move would be an INSV insn.
10520 (noce_process_if_block): Don't optimize if the destination is a
10521 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10523 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10525 * config/s390/s390.md: Add comments with the instructions emitted
10526 by an insn pattern if macros are used.
10528 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10530 PR rtl-optimization/26026
10531 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10532 is a known power of two shifted left a variable amount.
10534 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10536 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10537 to hash table twice when the debug_str section has SECTION_MERGE.
10539 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10541 * config/soft-fp: New directory. From glibc.
10542 * config/soft-fp/t-softfp: New.
10543 * config/soft-fp/README: New.
10544 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10545 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10546 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10547 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10548 * config.gcc: Use rs6000/t-fprules-fpbit or
10549 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10551 * config/rs6000/sfp-machine.h: New. Based on glibc.
10552 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10554 * config/rs6000/t-fprules: Remove fp-bit rules.
10555 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10556 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10557 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10558 (softfp_wrap_start, softfp_wrap_end): New.
10560 2006-04-18 DJ Delorie <dj@redhat.com>
10562 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10564 2006-04-18 Devang Patel <dpatel@apple.com>
10566 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10568 2006-04-18 Nick Clifton <nickc@redhat.com>
10570 * config/sh/t-symbian: Add rule to build sh-c.o
10571 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10572 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10573 (sh_symbian_encode_section_info): Likewise.
10575 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10577 * builtins.c (expand_builtin_strcmp): Cover label definition of
10578 do_libcall with HAVE_cmpstrnsi.
10580 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10582 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10584 * function.h (temp_slot_p): New.
10585 (function): Change the type of x_used_temp_slots to
10586 VEC(temp_slot_p,gc) *.
10588 2006-04-18 Nick Clifton <nickc@redhat.com>
10590 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10591 flag_strength_reduce.
10593 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10595 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10599 Partial revert of revision 112637
10600 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10601 Dale Johannesen <dalej@apple.com>
10604 * regclass.c (struct reg_pref): Update documentation.
10605 (regclass): Set prefclass to NO_REGS if memory is the best option.
10606 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10608 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10610 PR tree-optimization/26821
10611 * tree-ssa-math-opts.c (get_constant_one): New.
10612 (insert_reciprocals): Use it.
10614 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10616 * dwarf2out.c (free_AT): Delete.
10617 (remove_AT): Update string ref counts.
10618 (remove_child_TAG): Don't call free_die.
10619 (free_die): Delete.
10620 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10621 or DW_TAG_GNU_EINCL.
10622 (prune_unused_types_walk_attribs): Reset string refcounts.
10623 (prune_unused_types_update_strings): New.
10624 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10625 call free_die. Do call prune_unused_types_update_strings.
10626 (prune_unused_types): Empty debug_str_hash.
10628 2006-04-17 Roger Sayle <roger@eyesopen.com>
10630 * expr.c (expand_assignment): Optimize away no-op moves where the
10631 source and destination are equal and have no side-effects.
10633 2006-04-17 Richard Guenther <rguenther@suse.de>
10636 * reload.c (push_reload): Guard calls to get_secondary_mem
10637 for memory subregs.
10639 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10641 * alias.c (reg_base_value, old_reg_base_value): Change the
10642 type to VEC(rtx,gc) *.
10643 (REG_BASE_VALUE, find_base_value, record_set,
10644 init_alias_analysis): Use VEC instead of VARRAY.
10646 * alias.c (alias_sets): Change the type to
10647 VEC(alias_set_entry,gc) *.
10648 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10649 VEC instead of VARRAY.
10650 (last_alias_set): Remove.
10652 * cgraph.h (cgraph_edge_p): New.
10653 Update the prototype of cgraph_function_versioning.
10654 * cgraphunit.c (cgraph_copy_node_for_versioning,
10655 cgraph_function_versioning): Use VEC instead of VARRAY.
10656 * ipa-cp.c (ipcp_insert_stage): Likewise.
10658 2006-04-16 Roger Sayle <roger@eyesopen.com>
10661 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10662 "A op B" or "A op C", we may need to convert A to the type of B and C.
10664 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10666 * target.h (struct gcc_target): Add mode_rep_extended.
10667 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10668 (init_num_sign_bit_copies_in_rep): Initialize it using
10670 (truncate_to_mode): Use it.
10671 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10672 * targhooks.h (default_mode_rep_extended): Declare it.
10673 * targhooks.c (default_mode_rep_extended): Define it.
10674 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10675 default_mode_rep_extended.
10676 (TARGET_INITIALIZER): Include it.
10677 * doc/tm.texi (Misc): Document it.
10678 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10679 (mips_truncated_to_mode): New function.
10681 2006-04-16 Roger Sayle <roger@eyesopen.com>
10683 PR middle-end/25474
10684 * expr.c (compress_float_constant): Copy the narrow constant into
10685 a new pseudo before extending it to its final width.
10687 2006-04-16 Roger Sayle <roger@eyesopen.com>
10688 Andrew Pinski <pinskia@gcc.gnu.org>
10689 Dale Johannesen <dalej@apple.com>
10692 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10693 special case code to implement V8HImode and V16QImode with SSE2.
10695 2006-04-15 Roger Sayle <roger@eyesopen.com>
10697 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10698 trees are constructed with a suitable tree type.
10700 2006-04-15 Roger Sayle <roger@eyesopen.com>
10702 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10703 (integer_onep): Likewise.
10704 (integer_all_onesp): Likewise.
10705 (integer_pow2p): Likewise.
10706 (integer_nonzerop): Likewise.
10707 (real_zerop): Likewise.
10708 (real_onep): Likewise.
10709 (real_twop): Likewise.
10710 (real_minus_onep): Likewise.
10711 (int_size_in_bytes): Likewise.
10712 (host_integerp): Likewise.
10714 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10716 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10717 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10718 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10720 * tree-ssa-structalias.h (alias_info): Remove num_references.
10722 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10724 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10725 (output_bvb patterns): Likewise.
10726 * pa.c (output_bb): Use 'bb' insn for long branch case.
10727 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10728 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10729 1. Correct length operand for alternatives 1 and 2.
10730 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10731 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10733 2006-04-14 Roger Sayle <roger@eyesopen.com>
10735 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10736 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10737 were accidentally reverted by r112959.
10739 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10741 PR middle-end/26823
10742 * except.h (eh_region_outermost): New prototype.
10743 * except.c (eh_region_outermost): New function.
10744 * tree-cfg.c (find_outermost_region_in_block): Use it.
10746 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10748 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10750 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10751 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10752 (init_reload, reload): Use VEC instead of VARRAY.
10753 * reload.h: Update the prototype for
10754 reg_equiv_memory_loc_varray.
10756 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10757 Eric Botcazou <ebotcazou@libertysurf.fr>
10759 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10760 register save area.
10762 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10764 PR middle-end/27134
10765 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10766 to expand fallback builtin function call.
10768 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10770 PR middle-end/27095
10771 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10772 and emit libcall here in case the builtin fails.
10773 (expand_builtin_strcmp): Always emit the libcall here on failure.
10775 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10777 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10778 * flow.c (reg_n_info): Change the type to
10779 VEC(reg_info_p,heap) *.
10780 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10782 * regs.h (reg_info_p): New.
10783 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10784 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10785 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10788 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10790 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10792 * params.h (MAX_SCHED_READY_INSNS): New macro.
10793 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10794 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10795 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10796 the ready list for 1 cycle during the first scheduling pass.
10797 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10799 2006-04-13 Richard Henderson <rth@redhat.com>
10802 * gimple-low.c (lower_omp_directive): Remove dead code.
10803 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10804 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10805 * omp-low.c (struct omp_region): Move to tree-flow.h.
10806 (root_omp_region): Export.
10807 (omp_regions, lookup_omp_region): Remove.
10808 (determine_parallel_type): Update for struct omp_region changes.
10809 (dump_omp_region): Dump regions with block numbers.
10810 (new_omp_region): Take type and block instead of stmt; malloc
10812 (free_omp_region_1, free_omp_regions): New.
10813 (expand_parallel_call): Take entry_stmt as argument; update for
10814 changes to omp_region.
10815 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10816 (remove_exit_barriers): New.
10817 (expand_omp_parallel): Update for struct omp_region changes.
10818 (expand_omp_synch): Likewise.
10819 (expand_omp): Likewise.
10820 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10821 (expand_omp_for_static_chunk): Likewise.
10822 (expand_omp_for): Likewise.
10823 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10824 (expand_omp_sections): Similarly, with GOMP_sections_end.
10825 (expand_omp_single): New.
10826 (build_omp_regions_1): Update for OMP_CONTINUE.
10827 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10828 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10829 OMP_SECTIONS_SECTIONS.
10830 (lower_omp_single_simple): Don't emit barrier here.
10831 (lower_omp_single_copy): Likewise.
10832 (lower_omp_single): Fix bindings, and lower to straightline now.
10833 (lower_omp_master, lower_omp_ordered): Likewise.
10834 (lower_omp_critical): Likewise.
10835 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10836 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10837 omp edges, free it afterward.
10838 (make_omp_sections_edges): Remove.
10839 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10840 (move_stmt_r): Handle OMP_CONTINUE.
10841 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10842 statement pointers to basic blocks. Add type member.
10843 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10844 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10845 * tree-inline.c (estimate_num_insns_1): Likewise.
10846 * tree-pretty-print.c (dump_generic_node): Likewise.
10847 * tree-ssa-operands.c (get_expr_operands): Likewise.
10848 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10849 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10850 (OMP_CONTINUE): New.
10851 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10852 (OMP_SECTIONS_SECTIONS): Remove.
10853 (OMP_SECTION_LAST): New.
10854 (OMP_RETURN_NOWAIT): New.
10856 2006-04-13 Roger Sayle <roger@eyesopen.com>
10858 * fold-const.c (native_encode_vector, native_interpret_real):
10859 Correct obvious mistakes in the previous check-in.
10861 2006-04-13 Roger Sayle <roger@eyesopen.com>
10863 * fold-const.c (native_encode_expr): New function to encode
10864 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10865 or VECTOR_CST into a specified buffer.
10866 (native_encode_int): New function.
10867 (native_encode_real): New function.
10868 (native_encode_complex): New function.
10869 (native_encode_vector): New function.
10870 (native_interpret_expr): Inverse of native_encode_expr to convert
10871 a target representation into an INTEGER_CST, REAL_CST etc...
10872 (native_interpret_int): New function.
10873 (native_interpret_real): New function.
10874 (native_interpret_complex): New function.
10875 (native_interpret_vector): New function.
10876 (fold_view_convert_expr): New function to constant fold/evaluate
10877 a VIEW_CONVERT_EXPR of a suitable constant expression.
10878 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10879 Change call of build1 to fold_build1 when constructing a
10882 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10883 Ulrich Weigand <uweigand@de.ibm.com>
10886 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10889 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10892 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10893 optimize to lo_sum for DFmode if !TARGET_FPRS.
10895 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10897 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10898 delete_alias_info, compute_flow_sensitive_aliasing,
10899 group_aliases): Use VEC instead of VARRAY.
10900 * tree-ssa-structalias.c (update_alias_info): Likewise.
10901 * tree-ssa-structalias.h (alias_info): Change the type of
10902 processed_ptrs to VEC(tree,heap) *.
10904 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10907 * config/sh/lib1funcs.h: New file, broken out of:
10908 * config/sh/lib1funcs.asm.
10909 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10911 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10912 * config/sh/lib1funcs-Os-4-200.asm: New file.
10913 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10914 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10915 (EXTRA_MULTILIB_PARTS): Include it.
10916 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10917 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10918 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10919 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10922 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10924 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10925 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10926 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10928 * tree-ssa-live.h: Include vecprim.h.
10929 (tree_partition_associator_d): Change the type of
10930 first_partition to VEC(int,heap) *.
10931 (tpa_first_partition): Use VEC instead of VARRAY.
10933 * Makefile.in (GTFILES): Move functions.h after tree.h.
10934 * function.c (reset_block_changes, record_block_change,
10935 check_block_change, free_block_changes): Use VEC instead of
10937 * function.h (function): Change the type of
10938 ib_boundaries_block to VEC(tree,gc) *.
10939 * tree-inline.c (copy_cfg_body): Initialize
10940 ib_boundaries_block to NULL instead of (varray_type) 0.
10942 2006-04-12 Roger Sayle <roger@eyesopen.com>
10944 * expr.c (emit_group_store): Correct operand order in call to
10945 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10946 a SUBREG_BYTE of zero.
10948 2006-04-12 Richard Guenther <rguenther@suse.de>
10950 * profile.c (compute_branch_probabilities): Remove code
10951 encapsulated in !ir_type (), which are remanents of the
10952 removed RTL profiling code.
10953 * rtl-profile.c: Remove.
10955 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10957 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10958 magic NULL_RTX comment.
10959 (function_arg): Store entire fp arg to mem if any part should go
10961 (rs6000_arg_partial_bytes): Adjust for above change.
10963 2006-04-11 Roger Sayle <roger@eyesopen.com>
10965 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10966 if it hasn't been initialized by dwarf2out_init.
10968 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10970 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10971 symbolic constants in branch patterns.
10973 2006-04-11 Roger Sayle <roger@eyesopen.com>
10975 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10977 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10979 PR rtl-optimization/27073
10980 * gcse.c (try_replace_reg): Revert last change. Continue to search
10981 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10984 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10986 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10987 aggregate types other than record and union types.
10988 (function_arg): Likewise.
10989 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10991 (function_value): In 64-bit mode, return objects that require it
10994 2006-04-11 Roger Sayle <roger@eyesopen.com>
10996 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10998 2006-04-11 Jakub Jelinek <jakub@redhat.com>
11000 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
11002 2006-04-03 Jeff Law <law@redhat.com>
11005 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11006 alias information too.
11008 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11010 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11012 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11015 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11016 (premark_used_types_helper): New.
11017 (premark_used_types): New.
11018 (gen_subprogram_die): Call premark_used_types.
11019 (prune_unused_types_walk): Do not prune perennial dies.
11020 * function.c (used_types_insert): New.
11021 * function.h (struct function): Add used_types_hash field.
11022 (used_types_insert): Add prototype.
11023 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11024 * c-parser.c (c_parser_cast_expression): Save casted types in used
11027 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11030 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11031 rs6000_explicit_options.float_gprs.
11033 2006-04-10 Roger Sayle <roger@eyesopen.com>
11035 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11036 from ix86_expand_vector_init_low_nonzero. Take an additional
11037 one_var argument indicating which element is non-zero. Support
11038 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11039 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11040 with one_var instead of ix86_expand_vector_init_low_nonzero.
11042 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11044 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11045 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11046 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11047 build/genextract.o): Depend on vecprim.h.
11048 * cfglayout.c, df-problems.c, function.c, genextract.c,
11049 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11050 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11054 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11056 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11057 Declare VECs of this type.
11058 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11059 (remove_children): Delete.
11060 (add_dwarf_attr): Use VEC routines.
11061 (add_AT_flag): Update for changes to add_dwarf_attr.
11062 (add_AT_int): Likewise.
11063 (add_AT_unsigned): Likewise.
11064 (add_AT_long_long): Likewise.
11065 (add_AT_vec): Likewise.
11066 (add_AT_string): Likewise.
11067 (add_AT_die_ref): Likewise.
11068 (add_AT_fde_ref): Likewise.
11069 (add_AT_loc): Likewise.
11070 (add_AT_loc_list): Likewise.
11071 (add_AT_addr): Likewise.
11072 (add_AT_lbl_id): Likewise.
11073 (add_AT_lineptr): Likewise.
11074 (add_AT_macptr): Likewise.
11075 (add_AT_offset): Likewise.
11076 (add_AT_range_list): Likewise.
11077 (get_AT): Use VEC_iterate.
11078 (remove_AT): Use VEC_ordered_remove.
11079 (free_die): Fold remove_children into here; have it use VEC_iterate.
11080 (print_die): Use VEC_iterate on attrs.
11081 (reverse_die_lists): Don't reverse attr lists.
11082 (die_checksum): Use VEC_iterate on attrs.
11083 (same_die_p): Likewise.
11084 (output_location_lists): Likewise.
11085 (build_abbrev_table): Likewise.
11086 (size_of_die): Likewise.
11087 (unmark_all_dies): Likewise.
11088 (output_abbrev_section): Likewise.
11089 (output_die): Likewise.
11090 (prune_unused_types_walk_attribs): Likewise.
11092 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11094 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11096 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11099 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11101 2006-04-09 Roger Sayle <roger@eyesopen.com>
11103 * expr.c (store_constructor): Don't bother clearing target if
11104 we're about to assign a vector to it using vec_init_optab.
11106 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11108 * tree-ssa-alias.c (lhs_may_store_to): New function.
11109 (recalculate_used_alone): Handle LHS of calls.
11111 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11115 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11116 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11117 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11118 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11119 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11120 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11121 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11122 stubs. Add ".align 8" directives before all ".dword" directives.
11123 (GTHREAD_USE_WEAK): Revise comment.
11124 (TARGET_ATTRIBUTE_WEAK): Define.
11125 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11126 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11127 * stublib.c: New file.
11132 * pa.md (cbranch patterns): Revise arguments used in calls to
11133 output_cbranch, output_bb and output_bvd. Add long branch length
11135 (fbranch patterns): Handle long branches.
11136 (jump): Revise length check. Revise arguments for output_lbranch call.
11137 Add long branch length attributes.
11138 (decrement_and_branch_until_zero): Add long branch length attributes.
11139 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11140 Likewise. Revise arguments for output_parallel_addb and
11141 output_parallel_movb calls.
11142 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11143 output_parallel_movb and output_parallel_addb): Update prototypes.
11144 * pa.c (output_cbranch): Revise arguments. Correct handling of
11145 nullification in long branches.
11146 (output_lbranch): Add new argument to control extraction of delay
11148 (output_bb): Handle long branches.
11149 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11150 output_parallel_addb): Likewise.
11152 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11154 PR rtl-optimization/27073
11155 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11158 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11160 * tree.h (tree_memory_tag): Add old_used_alone.
11161 (SMT_OLD_USED_ALONE): New macro.
11162 * tree-ssa-alias.c (recalculate_used_alone): Stop
11163 marking things for renaming unnecessarily.
11165 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11167 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11168 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11169 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11170 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11171 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11172 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11173 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11174 spelling convensions.
11175 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11176 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11177 typos. Follow spelling conventions.
11179 2006-04-07 DJ Delorie <dj@redhat.com>
11181 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11182 passed on the stack.
11183 (m32c_init_cumulative_args): When a function returns a structure,
11184 always pass the pointer to that return area on the stack.
11185 (m32c_function_arg_advance): Don't increment the parameter number
11186 if we're processing the returned structure pointer.
11187 (pushm_info): Reverse order of registers.
11189 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11191 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11192 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11193 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11194 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11195 build_int_cst_type.
11196 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11197 chrec_fold_multiply): Same.
11198 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11199 force_expr_to_var_cost): Same.
11200 * tree-mudflap.c (mf_xform_derefs_1): Same.
11201 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11203 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11205 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11206 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11209 2006-04-07 Jan Hubicka <jh@suse.cz>
11211 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11213 2006-04-07 Richard Guenther <rguenther@suse.de>
11215 PR tree-optimization/26135
11216 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11217 loads for store copy-prop.
11218 (copy_prop_visit_stmt): Likewise.
11220 2006-04-05 Robert Millan <robertmh@gnu.org>
11222 * config/i386/linux.h: Add a comment to mark macros that are
11223 being overriden in config/k*bsd-gnu.h.
11224 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11226 * config/knetbsd-gnu.h: Ditto.
11228 2006-04-06 Jan Hubicka <jh@suse.cz>
11232 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11235 2006-04-06 Mike Stump <mrs@apple.com>
11237 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11238 for HAVE_nonlocal_goto to be consistent.
11239 (expand_builtin_nonlocal_goto): Likewise.
11240 (expand_builtin_strcmp): Use #ifdef instead of #if
11241 for HAVE_cmpstrnsi to be consistent.
11243 2006-04-05 DJ Delorie <dj@redhat.com>
11245 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11248 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11250 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11251 got-relative addressing for anything but SImode.
11253 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11254 even if the calling function doesn't modify them.
11256 2006-04-05 Richard Guenther <rguenther@suse.de>
11258 PR tree-optimization/26919
11259 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11260 to cgraph_estimate_size_after_inlining.
11262 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11264 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11266 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11268 PR tree-optimization/26996
11269 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11270 VECTOR_TYPE variables.
11272 2006-04-05 Richard Guenther <rguenther@suse.de>
11274 PR tree-optimization/26763
11275 * fold-const.c (fold_comparison): Move folding of
11276 PTR + CST CMP PTR + CST ...
11277 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11279 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11281 * doc/install.texi (Prerequisites): Refine some wording on
11282 bootstrapping and ksh.
11283 Move the version numbers of DejaGnu here from the testing section
11284 and fix casing of names.
11285 Fix markup and clarify wording for autogen requirements.
11286 Refer to GCJ instead of just java.
11287 Refer to SVN instead of CVS.
11288 Describe diffutils as useful instead of necessary.
11289 (Downloading the source): Refer to SVN instead of CVS.
11290 Adjust a link to our web site accordingly.
11291 (Configuration): Fix casing of Bison.
11292 (Building): Refer to SVN instead of CVS.
11293 Fix a sentence on the use of Bison and remove duplicate (and
11294 incorrect) version number of Bison requirement.
11295 Remove one redundant list of packages needed for building.
11296 (Specific): Avoid reference to CVS.
11298 2006-04-04 Eric Christopher <echristo@apple.com>
11300 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11301 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11302 (rs6000_handle_struct_attribute): New.
11303 (rs6000_ms_bitfield_layout_p): Ditto.
11305 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11307 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11308 NULL for dso parameter to atexit_common.
11310 2006-04-04 Eric Christopher <echristo@apple.com>
11312 * config/i386/i386.c (machopic_output_stub): Output \t
11313 between instructions and operands.
11315 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11317 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11318 satisfies_constraint_[IL] to explicit tests on value.
11320 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11322 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11323 set_nb_iterations_in_loop): Use build_int_cst instead of
11324 build_int_cst_type.
11325 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11326 build_int_cst instead of convert.
11328 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11330 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11331 new value 2 for incoming.
11332 * function.c (expand_function_start): Call struct_value_rtx
11333 with incoming as 2.
11334 * config/sparc/sparc.md: Comment updated_return.
11335 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11336 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11337 struct return if sparc_std_struct_return and incoming is 2.
11338 (print_operand): Do not adjust return if
11339 sparc_std_struct_return.
11341 2006-04-04 Roger Sayle <roger@eyesopen.com>
11343 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11344 convert in the middle-end.
11345 * expr.c (store_expr, store_constructor, get_inner_reference,
11346 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11348 * tree.c (build_range_type): Likewise.
11350 2006-04-04 Tom Tromey <tromey@redhat.com>
11352 * doc/install.texi (Prerequisites): Mention jar.
11354 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11356 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11359 2006-04-04 Matthias Klose <doko@debian.org>
11361 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11365 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11368 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11370 * doc/extend.texi (Function Attributes): Rewrite visibility
11371 attribute documentation.
11372 * doc/invoke.texi (C++ Dialect Options): Rewrite
11373 -fvisibility-inlines-hidden documentation to describe something
11374 entirely different, although in practise compatible.
11375 (Code Gen Options): Warn about system headers in -fvisibility=
11378 * doc/extend.texi (Other Builtins): Document that
11379 __builtin_nan is a compile-time constant only when its argument
11382 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11384 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11385 trying to remove TRUNCATE check if all bits outside the new mode
11386 are identical to the sign bit.
11388 2006-04-03 Jeff Law <law@redhat.com>
11390 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11391 and operand scanning in some common cases.
11393 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11394 Dale Johannesen <dalej@apple.com>
11397 * regclass.c (struct reg_pref): Update documentation.
11398 (regclass): Set prefclass to NO_REGS if memory is the best option.
11399 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11400 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11401 into account. For non-registers, equate an empty preferred
11402 reload class to a `!' in the constraint; move the if clause to
11403 do so after those that reject the insn.
11404 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11406 (find_dummy_reload): Likewise.
11407 * doc/tm.texi (Register Classes): Document what it means
11408 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11409 * config/i386/i386.c (ix86_preferred_reload_class): Force
11410 using SSE registers (and return NO_REGS for floating-point
11411 constants) if math is done with SSE.
11412 (ix86_preferred_output_reload_class): New.
11413 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11414 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11415 * config/i386/i386.md: Remove # register preferences.
11417 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11420 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11421 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11422 the type of nb_iter.
11423 (instantiate_parameters_1): Convert the operands before calling
11424 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11425 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11427 2006-04-02 Roger Sayle <roger@eyesopen.com>
11429 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11430 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11431 instead of convert.
11432 * dojump.c (do_jump): Likewise.
11433 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11434 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11435 gimplify_boolean_expr): Likewise.
11436 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11437 * varasm.c (array_size_for_constructor): Likewise.
11438 * tree-object-size.c (compute_object_offset): Likewise.
11440 2006-04-02 Roger Sayle <roger@eyesopen.com>
11442 PR middle-end/26977
11443 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11444 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11446 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11448 PR tree-optimization/26939
11449 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11451 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11453 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11454 at_stmt. Convert the type of operands before calling
11455 build_polynomial_chrec.
11456 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11457 add_to_evolution_1.
11458 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11459 (instantiate_parameters_1): Convert the type of operands before calling
11460 build_polynomial_chrec.
11461 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11462 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11463 reset_evolution_in_loop): Insert asserts to check the types of the
11465 (chrec_type): Moved...
11466 (eq_evolutions_p): Use operand_equal_p.
11467 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11468 the types of the operands.
11469 (chrec_type): ...here.
11470 * tree-data-ref.c (create_data_ref): Convert the operands before
11471 calling chrec_replace_initial_condition.
11472 (same_access_functions, analyze_subscript_affine_affine,
11473 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11474 (compute_subscript_distance, analyze_ziv_subscript,
11475 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11476 analyze_miv_subscript): Convert the operands before calling
11477 chrec_fold_minus or chrec_fold_plus.
11479 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11481 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11482 the dependence_relations vector.
11483 (compute_data_dependences_for_loop): Adjust call to
11484 compute_all_dependences.
11486 2006-04-01 Roger Sayle <roger@eyesopen.com>
11487 Richard Henderson <rth@redhat.com>
11489 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11490 gimple_boolify on the condition before calling gimplify_expr.
11492 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11494 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11495 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11496 the frame size. Update to use the new macros.
11497 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11498 * config/xtensa/ieee754-df.S: Likewise.
11500 2006-03-31 Richard Henderson <rth@redhat.com>
11502 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11503 (make_edges): ... here. Control fallthru creation with a local
11504 variable. Do not play with fake edges.
11505 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11506 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11509 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11511 * dwarf2.h (DW64_CIE_ID): Define.
11512 * dwarf2out.c (DWARF_CIE_ID): Define.
11513 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11514 length header. Use DWARF_CIE_ID.
11515 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11516 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11518 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11520 * config/sh/linux-atomic.asm: New file.
11521 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11523 2006-03-31 DJ Delorie <dj@redhat.com>
11525 * config/m32c/cond.md: Set condition flags properly throughout.
11526 * config/m32c/minmax.md: Likewise.
11527 * config/m32c/prologue.md: Likewise.
11528 * config/m32c/bitops.md: Likewise.
11529 * config/m32c/muldiv.md: Likewise.
11530 * config/m32c/mov.md: Likewise.
11531 * config/m32c/addsub.md: Likewise.
11532 * config/m32c/m32c.md: Likewise.
11533 * config/m32c/jump.md: Likewise.
11534 * config/m32c/shift.md: Likewise.
11536 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11537 conditionally output the pattern for this.
11538 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11539 (m32c_compare_redundant): New.
11540 (m32c_output_compare): New.
11541 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11543 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11544 dest, not src. Allow other 4-byte modes.
11546 2006-03-30 Denis Chertykov <denisc@overta.ru>
11548 * doc/md.texi: Refer to avr/constraints.md instead of
11551 2006-03-30 Roger Sayle <roger@eyesopen.com>
11553 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11554 signed vs. unsigned comparison failures on some hosts.
11556 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11559 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11560 change to FLOAT_REGS.
11562 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11563 (rs6000_override_options): Use it.
11564 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11565 only for -mabi=spe/no-spe and -mabi=altivec.
11567 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11569 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11572 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11574 * Makefile.in: Rename docdir to gcc_docdir.
11576 2006-03-30 Roger Sayle <roger@eyesopen.com>
11579 * expr.c (emit_group_store): Optimize group stores into a pseudo
11580 register by using a paradoxical subreg to initialize the destination
11581 if the first or last member of the group specifies a "low part".
11583 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11586 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11587 * target.h (struct gcc_target.speculate_insn): Change type of the
11588 second parameter to 'int'.
11589 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11590 the second operand of the DEPS_LIST.
11591 (copy_DEPS_LIST_list): Update reference to the second operand of the
11593 * rtl.h (alloc_DEPS_LIST): Update signature.
11594 * sched-int.h (ds_t): Change typedef to 'int'.
11595 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11597 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11599 * haifa-sched.c (try_ready): Change condition to restore
11600 non-speculative pattern of the instruction.
11601 (process_insn_depend_be_in_spec): Code to keep probability of the
11602 speculative dependence non-decreasing.
11604 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11606 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11607 (single_move_for_movmem): ... this. Also change all uses.
11608 (bfin_expand_strmov): Renamed to...
11609 (bfin_expand_movmem): ... this. Also change all uses.
11610 * config/bfin/bfin.md (movstrsi): Renamed to...
11611 (movstrsi): ...this.
11613 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11615 PR tree-optimization/26830
11617 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11618 (copy_prop_visit_stmt): Remove write-only variable ann.
11619 (init_copy_prop): Check variable loop depth here. Do not simulate
11620 memory-tag and virtual operand PHIs except for store copy prop.
11622 2006-03-30 Richard Guenther <rguenther@suse.de>
11624 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11625 variants with double arguments.
11627 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11629 * genpreds.c (write_tm_constrs_h): Delete variable p.
11630 * genconditions.c (write_header): Add tm-constrs.h to included
11632 * genpeep.c (main): Add toplev.h to included headers.
11633 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11634 (build/genpeep.o): Add toplev.h dependency.
11635 * config/rs6000/constraints.md: Add "W" constraint.
11637 2006-03-29 Roger Sayle <roger@eyesopen.com>
11639 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11640 sizes by correctly testing whether the size fits a host integer.
11641 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11642 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11643 SImode range for the default sizetype and bitsizetype.
11645 2006-03-29 Roger Sayle <roger@eyesopen.com>
11647 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11648 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11649 quickly if the argument is already of the correct type.
11650 Call fold_build1 instead of build1. Tidy up blank lines.
11652 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11654 * genemit.c (main): Add tm-constrs.h to included headers.
11655 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11656 * genpeep.c (main): Add tm-constrs.h to included headers.
11657 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11658 (write_tm_constrs_h): this and write complete file.
11659 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11660 (write_insn_preds_c): Add tm-constrs.h to included headers.
11661 (gen_constrs): New variable.
11662 (parse_option): Parse "-c".
11663 (main): Invoke write_tm_constrs_h.
11664 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11665 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11666 (object_out_file): Add tm-constrs.h dependency.
11667 (insn-emit.o): Same.
11668 (insn-output.o): Same.
11669 (insn-peep.o): Same.
11670 (insn-preds.o): Same.
11671 (insn-recog.o): Same.
11672 (tm-constsr.h): New target.
11673 (s-constrs-h): New target.
11675 * config/rs6000/constraints.md: New file.
11676 * config/rs6000/rs6000.c: Include tm-constrs.h.
11677 (num_insn_constant_wide): Convert to satisfies_constraint.
11678 (rs6000_rtx_costs): Convert to satisfies_constraint.
11679 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11680 (CONST_OK_FOR_LETTER_P): Delete.
11681 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11682 (EXTRA_CONSTRAINT): Delete.
11683 (EXTRA_MEMORY_CONSTRAINT): Delete.
11684 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11685 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11686 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11687 satisfies_constraint.
11689 * config/i386/i386.c: Include tm-constrs.h.
11691 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11693 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11694 * tree-data-ref.c (find_data_references_in_loop,
11695 compute_data_dependences_for_loop): Use pointers to VEC.
11696 (analyze_all_data_dependences): Adjust calls.
11697 * tree-data-ref.h (find_data_references_in_loop,
11698 compute_data_dependences_for_loop): Adjust declarations.
11699 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11700 compute_data_dependences_for_loop.
11702 2006-03-29 Paul Brook <paul@codesourcery.com>
11704 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11705 (movdf_vfp): Ditto.
11707 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11709 PR tree-optimization/26859
11710 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11712 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11713 for the step after fold_convert.
11715 2006-03-29 Paul Brook <paul@codesourcery.com>
11717 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11718 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11720 2006-03-29 Paul Brook <paul@codesourcery.com>
11722 PR middle-end/23623
11723 * targhooks.c (default_narrow_bitfield): New fuction.
11724 * targhooks.h (default_narrow_bitfield): add prototype.
11725 * target.h (gcc_target): Add narrow_volatile_bitfield.
11726 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11727 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11728 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11729 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11731 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11733 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11735 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11736 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11737 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11738 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11739 (s390_function_arg_float): Allow SDmode and DDmode values to be
11740 passed in floating point registers.
11741 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11742 check with SCALAR_FLOAT_MODE_P.
11743 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11745 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11747 PR tree-optimization/25985
11748 * tree-ssa-loop-niter.c (number_of_iterations_le,
11749 number_of_iterations_ne): Make comments more precise.
11750 (number_of_iterations_cond): Add only_exit argument. Use the
11751 fact that signed variables do not overflow only when only_exit
11753 (loop_only_exit_p): New.
11754 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11755 number_of_iterations_cond.
11757 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11759 PR tree-optimization/26643
11760 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11763 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11765 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11766 (divsi3_i4_int): Likewise.
11768 2006-03-28 Roger Sayle <roger@eyesopen.com>
11770 * expr.c (emit_group_store): Only create a new pseudo reg if the
11771 quantity it needs to hold isn't already a suitable pseudo.
11773 2006-03-28 Jeff Law <law@redhat.com>
11775 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11776 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11778 2006-03-28 Roger Sayle <roger@eyesopen.com>
11780 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11781 the equivalent ~X & Y, and the symmetry related transformations.
11782 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11783 ~X & Y, and symmetry related transforms.
11785 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11787 Revert my 2006-03-27 patches.
11789 2006-03-28 Roger Sayle <roger@eyesopen.com>
11791 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11792 ~(T1)X, when T1 and T2 are integer types of the same precision
11793 and (T2)X isn't an extension.
11795 2006-03-28 Jeff Law <law@redhat.com>
11797 PR tree-optimization/26796
11798 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11799 need EH edge cleanups rather than purging them immediately.
11800 (eliminate_degenerate_phis): Handle queued EH cleanups.
11802 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11804 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11807 2006-03-27 Roger Sayle <roger@eyesopen.com>
11809 PR middle-end/22524
11810 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11811 cast BIT_NOT_EXPR operand to the correct type.
11813 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11815 * tree-loop-linear.c: Don't include varray.h.
11816 (gather_interchange_stats, try_interchange_loops,
11817 linear_transform_loops): Use VEC instead of VARRAY.
11818 * lambda-mat.c: Don't include varray.h.
11819 * tree-chrec.c: Same.
11820 * lambda-trans.c: Same.
11821 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11822 VEC instead of VARRAY.
11823 * tree-vectorizer.h: Idem.
11824 * tree-data-ref.c (dump_data_references,
11825 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11826 initialize_data_dependence_relation, finalize_ddr_dependent,
11827 compute_all_dependences, find_data_references_in_loop,
11828 compute_data_dependences_for_loop, analyze_all_data_dependences,
11829 free_dependence_relation, free_dependence_relations,
11830 free_data_refs): Idem.
11831 * tree-data-ref.h (data_reference_p, subscript_p): New.
11832 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11833 VEC instead of VARRAY.
11834 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11835 (find_data_references_in_loop, compute_data_dependences_for_loop,
11836 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11837 dump_data_dependence_relations, free_dependence_relations,
11838 free_data_refs): Adjust declaration.
11839 (lambda_transform_legal_p): Move declaration here...
11840 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11841 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11842 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11843 vect_analyze_data_refs): Use VEC instead of VARRAY.
11844 * lambda.h (lambda_transform_legal_p): ...from here.
11845 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11846 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11847 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11848 tree-chrec.o): Don't depend on VARRAY_H.
11850 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11852 * rtl.def (Copyright): Update date.
11853 (DEPS_LIST): Change type of the second operand to 'int'.
11854 * target.h (Copyright): Update date.
11855 (struct gcc_target.speculate_insn): Change type of the second parameter
11857 * lists.c (Copyright): Update date.
11858 (alloc_DEPS_LIST): Change signature. Update reference to the second
11859 operand of the DEPS_LIST.
11860 (copy_DEPS_LIST_list): Update reference to the second operand of the
11862 * rtl.h (Copyright): Update date.
11863 (alloc_DEPS_LIST): Update signature.
11864 * sched-int.h (Copyright): Update date.
11865 (ds_t): Change typedef to 'int'.
11866 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11868 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11870 * haifa-sched.c (Copyright): Update date.
11871 (try_ready): Change condition to restore non-speculative pattern
11872 of the instruction.
11873 (process_insn_depend_be_in_spec): Code to keep probability of the
11874 speculative dependence non-decreasing.
11876 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11878 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11879 shut up the compiler.
11881 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11883 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11884 to use lib prefix for target.
11885 ($(T)libic_invalidate_array_4-200.a): Likewise.
11886 ($(T)libic_invalidate_array_4a.a): Likewise.
11888 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11889 J"orn Rennecke <joern.rennecke@st.com>
11891 * superh.opt: New file.
11892 * sh.c (boardtype, osruntime): Remove.
11893 * superh.h (SUBTARGET_OPTIONS): Remove.
11894 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11896 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11897 arguments with ^ and/or [].
11899 * config.gcc (sh-*-*): Add quoting to account for quirk of
11901 Replace == with = in enable_incomplete_targets test.
11903 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11904 with MASK_LITTLE_ENDIAN.
11906 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11907 * config/sh/sh.opt: Added to some comments.
11908 * config/sh/superh.h: Removed some chaff.
11910 * config/sh/sh.opt: Add m4-[1234]00* options.
11911 * config/sh/sh.c (sh_handle_option): Likewise.
11912 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11913 (ic_invalidate_array_4-100.o): New rule.
11914 ($(T)libic_invalidate_array_4-100.a): Likewise.
11915 (ic_invalidate_array_4-200.o): Likewise.
11916 ($(T)libic_invalidate_array_4-200.a): Likewise.
11917 (ic_invalidate_array_4a.o): Likewise.
11918 ($(T)libic_invalidate_array_4a.a): Likewise.
11919 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11920 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11922 * config/sh/crt1.asm: Merged in profiling code.
11923 * config/sh/superh.h (STARTFILE_SPEC): Override.
11924 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11925 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11926 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11928 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11929 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11930 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11932 * sh.opt (mpretend-cmove): New option.
11933 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11934 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11935 (movsicc): Add TARGET_PRETEND_CMOVE code.
11937 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11939 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11940 s390_class_max_nregs): New function prototypes.
11941 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11942 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11943 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11944 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11946 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11948 * dwarf2out.c (add_location_or_const_value_attribute): Call
11949 tree_add_const_value_attribute if nothing else works.
11950 (reference_to_unused): New.
11951 (rtl_for_decl_init): Use reference_to_unused to decide whether
11952 to output an initializer.
11954 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11957 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11958 peephole removing spe frob_di_df_2.
11960 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11962 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11963 (subscript_dependence_tester_1): Declared.
11964 (print_dir_vectors, print_dist_vectors): New.
11965 (debug_data_dependence_relation): New.
11966 (dump_data_dependence_relation): Print more details.
11967 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11968 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11969 (save_dist_v, save_dir_v, add_outer_distances,
11970 build_classic_dist_vector_1): New.
11971 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11972 Don't test for lambda_vector_lexico_pos.
11973 (same_access_functions, add_multivariate_self_dist,
11974 add_other_self_distances, dir_from_dist): New.
11975 (build_classic_dir_vector): Replace implementation almost identical to
11976 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11978 (subscript_dependence_tester_1): New.
11979 (subscript_dependence_tester): Handle the lexicographically negative
11980 distance vectors by recomputing the dependence relation.
11981 (compute_affine_dependence): Remove parameter loop_nest_depth.
11982 (compute_self_dependence): Don't call compute_subscript_distance.
11983 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11984 Add a parameter for the loop_nest.
11985 (find_loop_nest_1, find_loop_nest): New.
11986 (compute_data_dependences_for_loop): Compute the loop nest, and give
11987 up if the nest is not well formed.
11988 * tree-data-ref.h (loop_p): New.
11989 (struct data_dependence_relation): Replace size_vect field with
11990 loop_nest, a vec of loops.
11991 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11992 (DDR_LOOP_NEST): New.
11993 (print_dir_vectors, print_dist_vectors,
11994 debug_data_dependence_relation): Declared.
11995 (index_in_loop_nest): New.
11996 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11997 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
12000 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
12002 * simplify-rtx.c (simplify_relational_operation): Call
12003 simplify_relational_operation_1 even if mode is VOIDmode.
12005 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12007 PR tree-optimization/26804
12008 * tree.h (DECL_CALL_CLOBBERED): New macro.
12009 (tree_decl_common): Add call_clobbered_flag.
12010 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12011 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12012 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12013 (mark_non_addressable): Ditto.
12014 * tree-ssa.c (verify_call_clobbered): New function.
12015 (verify_alias_info): Use it.
12016 * tree-pass.h (pass_reset_cc_flags): New prototype.
12017 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12018 (reset_cc_flags): New function.
12019 * passes.c (init_optimization_passes): Call reset_cc_flags after
12020 initializing referenced_vars.
12022 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12023 Roger Sayle <roger@eyesopen.com>
12025 PR middle-end/26717
12026 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12027 to 1.0 for non-real operands. Implement A / A optimization for
12030 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12032 * config/i386/i386.c (size_cost): Correct the comment for
12033 cost of storing fp registers.
12034 (i386_cost): Likewise.
12035 (i486_cost): Likewise.
12036 (pentium_cost): Likewise.
12037 (pentiumpro_cost): Likewise.
12038 (k6_cost): Likewise.
12039 (athlon_cost): Likewise.
12040 (k8_cost): Likewise.
12041 (pentium4_cost): Likewise.
12042 (nocona_cost): Likewise.
12043 (generic64_cost): Likewise.
12044 (generic32_cost): Likewise.
12046 2006-03-24 Denis Chertykov <denisc@overta.ru>
12048 * config/avr/avr-protos.h (extra_constraint): Delete.
12049 (extra_constraint_Q): New declaration.
12050 * config/avr/constraints.md: New file.
12051 * config/avr/avr.md: Include it.
12052 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12053 (TMP_REGNO, ZERO_REGNO): Likewise.
12054 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12055 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12056 (extra_constraint): Delete.
12057 (extra_constraint_Q): Test for memory constraint 'Q'.
12058 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12059 (REG_CLASS_FROM_LETTER): Delete.
12060 (CONST_OK_FOR_LETTER_P): Delete.
12061 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12062 (EXTRA_CONSTRAINT): Delete.
12063 (TMP_REGNO): Delete.
12064 (ZERO_REGNO): Delete.
12066 2006-03-24 Jeff Law <law@redhat.com>
12068 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12069 directly. Call mark_new_vars_to_rename slightly earlier.
12071 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12073 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12074 (is_cxx): Likewise.
12075 (gen_compile_unit_die): Use new language types for Objective-C and
12077 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12078 DW_LANG_C_plus_plus.
12081 * config/t-darwin (crt3.o): Work around bug 26840.
12082 * config/darwin-crt3.c: Rewrite.
12083 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12085 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12087 * doc/invoke.texi: Document -femit-class-debug-always
12088 * common.opt: Add -femit-class-debug-always.
12090 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12092 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12093 index and base register.
12094 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12095 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12096 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12097 REGNO_OK_FOR_INDEX_P.
12098 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12100 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12101 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12102 REG_OK_FOR_BASE_P): Definitions removed.
12104 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12106 PR middle-end/26611
12107 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12108 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12109 set yet or weren't marked as local yet.
12111 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12113 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12116 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12118 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12119 (rs6000_legitimate_small_data_p): Delete.
12120 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12121 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12122 and make static. Add forward declaration. Update uses.
12123 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12124 of offsettable_memref_p.
12125 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12126 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12128 2006-03-24 Jeff Law <law@redhat.com>
12130 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12131 around bug in immediate-use iterator.
12133 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12136 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12137 or __LITTLE_ENDIAN__.
12139 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12141 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12142 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12143 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12144 * config/sh/sh.opt (mdiv=): Amend description.
12145 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12146 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12147 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12148 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12149 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12150 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12151 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12152 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12153 TARGET_DIVIDE_CALL_FP.
12155 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12157 * haifa-sched.c (choose_ready): Fix type of the local variable.
12158 Move local variables. Add comment.
12159 (check_reg_live): Change signature. Make callable from debugger.
12160 * sched-int.h (check_reg_live): Update signature.
12161 * sched-ebb.c (check_reg_live): Update parameters.
12162 * sched-rgn.c (check_reg_live): Ditto.
12163 (region_head_or_leaf_p): Check pointer before dereferencing.
12164 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12165 before reload on optimization levels below 1.
12167 2006-03-23 Richard Henderson <rth@redhat.com>
12169 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12173 * config/alpha/predicates.md (local_symbolic_operand): Reject
12176 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12179 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12180 expressions which have overflowed constants.
12182 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12184 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12186 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12188 * cfgloopmanip.c (create_loop_notes): Removed.
12189 * final.c (final_scan_insn): Do not handle loop notes.
12190 * jump.c (squeeze_notes): Ditto.
12191 * cfglayout.c (skip_insns_after_block,
12192 duplicate_insn_chain): Ditto.
12193 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12195 * cfgloop.h (create_loop_notes): Declaration removed.
12197 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12199 * varasm.c (output_constant_pool): Restore fnname and fndecl
12201 (assemble_start_function): Adjust call accordingly.
12202 (assemble_end_function): Likewise.
12204 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12207 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12210 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12212 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12215 * system.h (ICE_EXIT_CODE): New macro.
12216 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12217 (diagnostic_action_after_output): Likewise.
12218 * gcc.c (fatal_ice): New function.
12219 (execute): Use it instead of fatal.
12220 (fancy_abort): Likewise.
12221 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12223 2006-03-22 Jeff Law <law@redhat.com>
12225 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12226 iv_analyze_result returning false.
12228 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12230 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12232 2006-03-22 Richard Henderson <rth@redhat.com>
12234 PR middle-end/26084
12235 * except.c (duplicate_eh_regions_0): New.
12236 (duplicate_eh_region_1): Duplicate the children of the node as
12237 well as the node itself. Link them up properly.
12238 (duplicate_eh_region_2): Merge into ...
12239 (duplicate_eh_regions): ... here. Take copy_region argument, and
12240 copy only a sub-tree if asked. Simplify copying and fixup.
12241 (eh_region_outer_p): New.
12242 * except.h (duplicate_eh_regions): Update decl.
12243 (eh_region_outer_p): Declare.
12244 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12245 (lower_omp_master): Likewise.
12246 (lower_omp_ordered): Likewise.
12247 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12248 (move_stmt_r): Use it to remap labels. Handle recursion vs
12249 remap_decls_p properly.
12250 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12251 (find_outermost_region_in_block): New.
12252 (new_label_mapper): New.
12253 (move_sese_region_to_fn): Copy eh information to the new function
12255 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12257 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12260 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12262 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12263 into shared libraries.
12265 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12267 * doc/md.texi: Refer to i386/constraints.md instead of
12268 i386/predicates.md.
12269 * config/i386/constraints.md: New file, extracted from...
12270 * config/i386/predicates.md: ...here.
12271 * config/i386/i386.md: Include constraints.md.
12273 2006-03-21 Jason Merrill <jason@redhat.com>
12275 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12277 PR middle-end/20297
12278 * expr.c (init_block_move_fn): Force default visibility.
12279 (init_block_clear_fn): Likewise.
12280 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12281 * targhooks.c (default_external_stack_protect_fail): Likewise.
12283 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12285 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12286 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12287 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12288 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12289 (loadgp): Use mips_current_loadgp_style.
12290 (loadgp_noshared): New pattern.
12291 (sibcall_internal): Use MIPS_CALL.
12292 (sibcall_value_internal): Likewise.
12293 (sibcall_value_multiple_internal): Likewise.
12294 (call_internal): Likewise.
12295 (call_value_internal): Likewise.
12296 (call_value_multiple_internal): Likewise.
12297 (call_split): Use MIPS_CALL and add an 'S' constraint.
12298 (call_value_split): Likewise.
12299 (call_value_multiple_split): Likewise.
12300 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12301 (-mshared): New option.
12302 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12303 (mips_current_loadgp_style): Declare.
12304 * config/mips/mips.c (mips_classify_symbol): Avoid using
12305 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12306 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12307 TARGET_ABSOLUTE_ABICALLS.
12308 (override_options): Adjust comments. Improve the warning that is
12309 issued when -mabicalls and -G are used together.
12310 (mips_file_start): Remove comment.
12311 (mips_current_loadgp_style): New function.
12312 (mips_gnu_local_gp): New variable.
12313 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12315 (mips_output_function_prologue): Use mips_current_laodgp_style.
12316 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12317 the cprestore instruction.
12318 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12319 live for TARGET_ABSOLUTE_ABICALLS.
12320 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12321 (ASM_SPEC): Pass down -mshared and -mno-shared.
12322 (MIPS_CALL): New macro.
12323 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12325 * doc/invoke.texi (-mabicalls): Update documentation.
12326 (-mshared): Document.
12328 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12330 * config/ia64/unwind-hpux.c: New file.
12331 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12333 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12336 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12338 2006-03-21 Jeff Law <law@redhat.com>
12340 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12341 type conversions of a VR_VARYING source to a wider type.
12343 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12345 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12346 tm_file on Solaris 10 and later.
12347 (sparc64-*-solaris2*): Likewise.
12348 (sparc-*-solaris2*): Likewise.
12349 * config/sol26.h: Rename to config/sol2-6.h.
12350 * config/sol2-10.h: New file.
12352 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12355 * tree-ssa-pre.c (create_component_ref_by_pieces):
12358 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12361 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12362 return it immediately.
12364 2006-03-21 Michael Matz <matz@suse.de>
12366 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12368 (remove_arc, add_arc): Update num_out_arcs member.
12369 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12371 (cache_presence): New function.
12372 (compare_states_for_equiv): New function.
12373 (state_is_differed): Don't take number of outargs, adjust callers.
12374 Use new invariant for speeding up.
12375 (init_equiv_class): Create initial classes based on sorted
12377 (partition_equiv_class): Don't track out_arcs_num.
12378 (evaluate_equiv_classes): Call cache_presence on all states and
12381 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12383 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12384 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12385 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12386 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12388 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12389 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12390 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12391 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12392 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12394 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12395 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12396 (REGNO_REG_CLASS): ARGP is in PREGS.
12397 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12399 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12400 to deal with those addresses.
12401 * addresses.h: New file.
12402 * caller-save.c: Include "addresses.h".
12403 (init_caller_save): Use new base_reg_class function.
12404 * rtl-factoring.c: Include "addresses.h".
12405 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12406 * recog.c: Include "addresses.h".
12407 (preprocess_constraints): Use new base_reg_class function.
12408 * regrename.c: Include "addresses.h".
12409 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12410 functions. Keep track of a new var INDEX_CODE to compute valid
12412 (replace_oldest_value_addr): Likewise.
12413 (replace_oldest_value_mem): Use base_reg_class.
12414 * reload.c: Include "addresses.h".
12415 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12416 (find_reloads): Use new base_reg_class function.
12417 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12418 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12419 all callers and prototype changed.
12420 * reload1.c: Include "addresses.h".
12421 (maybe_fix_stack_asms): Use base_reg_class.
12422 * regclass.c: Include "addresses.h".
12423 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12424 (init_reg_autoinc): Use new base_reg_class function.
12425 (record_reg_classes): Likewise.
12426 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12427 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12428 Use new args to compute necessary class.
12430 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12431 regrename.o, rtl-factoring.o): Update dependencies.
12432 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12433 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12434 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12435 REG_OK_FOR_INDEX_P): Delete documentation.
12437 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12439 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12440 from V7 to V9 for Solaris 7 and above.
12442 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12444 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12445 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12446 argument pointers may not alias any other storage.
12447 * common.opt: Define option -fargument-noalias-anything.
12448 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12449 alias semantics is specified by flag_argument_noalias > 2.
12451 2006-03-20 Jeff Law <law@redhat.com>
12453 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12454 (pass_phi_only_cprop): Declare.
12455 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12456 with phi_only_cprop
12457 * tree-ssa-dom.c (degenerate_phi_result): New function.
12458 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12459 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12460 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12461 (eliminate_degenerate_phis): Likewise.
12462 (pass_phi_only_cprop): New pass descriptor.
12463 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12464 support code. Callers updated.
12465 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12466 (store_copy_prop): Likewise.
12467 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12469 2006-03-20 Jason Merrill <jason@redhat.com>
12472 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12473 (push_visibility, pop_visibility): Likewise.
12474 * c-pragma.h: Declare them.
12476 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12478 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12480 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12481 parameter and use get_ebb_head_tail.
12482 (sh_md_init_global): Adjust uses of find_regmode_weight.
12484 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12486 * function.h (struct function) <x_tail_recursion_reentry>:
12487 Rename to x_stack_check_probe_note.
12488 (tail_recursion_reentry): Rename to stack_check_probe_note.
12489 * function.c: Replace tail_recursion_reentry with
12490 stack_check_probe_note everywhere.
12491 (expand_function_start): Only emit a note for
12492 stack_check_probe_note with -fstack-protect.
12493 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12495 * emit-rtl.c (remove_unnecessary_notes): Remove.
12496 (pass_remove_unnecessary_notes): Remove.
12497 * rtl.h (remove_unnecessary_notes): Remove prototype.
12498 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12499 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12500 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12502 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12505 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12506 (valid_in_set): Handle ARRAY_REF.
12507 Change "if min_variant or VH" to asserts.
12508 (create_component_ref_by_pieces): Handle ARRAY_REF.
12509 (create_expression_by_pieces): Likewise.
12510 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12512 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12514 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12515 is operand of switch, not str[0].
12517 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12519 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12520 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12522 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12524 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12525 end of insn_extra_address_constraint declaration.
12527 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12529 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12530 (no-sum-in-toc): Same.
12531 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12533 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12534 NO_FP_IN_TOC for -fPIC instead of mask.
12536 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12537 (BOOT_LDFLAGS): Delete.
12539 * config/rs6000/t-aix52: Same.
12541 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12542 (stmsi[345678]_power): New.
12544 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12546 * config/ia64/ia64.opt: Add empty line to end of file.
12548 2006-03-17 Richard Guenther <rguenther@suse.de>
12550 PR middle-end/26721
12551 * builtins.c (get_pointer_alignment): For component style references
12552 adjust alignment to the component type alignment. Make sure
12553 to adjust alignment for component access of constants.
12555 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12557 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12558 unconditional jump.
12560 2006-03-17 Paul Brook <paul@codesourcery.com>
12562 * doc/install.texi: Docuemnt --with-mode.
12563 * config.gcc: Add --with-mode for arm*-*-*.
12564 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12566 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12568 * sh.c (max_labelno_before_reorg): New variable.
12569 (sh_reorg): Initialize it.
12570 (find_barrier): Check max_labelno_before_reorg before using
12571 label_to_alignment. Take length of explicit alignment insns
12572 into account. When seeing a UNSPECV_CONST_END, return it.
12574 * sh.c (fixup_mova): Set mode of affected label to QImode.
12575 (untangle_mova): New function.
12576 (find_barrier): Use it. Check mode of label before decrementing
12578 (sh_reorg): Likewise.
12579 Set mode of all insns back to VOIDmode.
12581 * sh.c (MOVA_LABELREF): New macro.
12582 (mova_p, fixup_mova, sh_reorg): Use it.
12583 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12584 ADDR_DIFF_VEC matches mova.
12586 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12588 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12589 with ATTRIBUTE_UNUSED.
12591 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12593 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12594 pointer, instead of assuming it is possible to derive the
12595 correct args size from a call insn.
12597 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12599 * rtl.h (CONST_INT_P): Define.
12600 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12601 instead of GET_CODE(x) == CONST_INT.
12602 (vax_rtx_costs): Likewise.
12603 (vax_output_int_move): Likewise.
12604 (vax_output_int_add): Likewise.
12605 (legitimate_constant_address_p): Likewise.
12606 (index_term_p): Likewise.
12607 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12608 * config/vax/vax.md (and<mode>3): Likewise.
12609 (ashrsi3): Likewise.
12611 (movstricthi): Likewise.
12612 (movstrictqi): Likewise.
12613 (rotrsi3): Likewise.
12614 (five unnamed insns): Likewise.
12616 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12618 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12619 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12620 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12621 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12622 Pass to ASM_OUTPUT_DWARF_OFFSET.
12623 * dwarf2out.c (debug_frame_section): New.
12624 (output_call_frame_info): Use debug_frame_section. Pass it to
12625 dw2_asm_output_offset.
12626 (output_die): Pass appropriate section to dw2_asm_output_offset.
12627 (output_compilation_unit_header): Likewise.
12628 (output_pubnames): Likewise.
12629 (output_aranges): Likewise.
12630 (enum dw_val_class): Break dw_val_class_lbl_offset into
12631 dw_val_class_lineptr and dw_val_class_macptr.
12632 (add_AT_lbl_offset): Delete.
12633 (add_AT_lineptr): New.
12634 (add_AT_macptr): New.
12635 (AT_lbl): Expect a lineptr or macptr.
12636 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12637 (attr_checksum): Likewise.
12638 (same_dw_val_p): Likewise.
12639 (size_of_die): Likewise.
12640 (value_format): Likewise.
12641 (output_die): Likewise.
12642 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12644 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12645 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12646 * config/darwin-protos.h (darwin_file_start): New.
12647 (darwin_asm_output_dwarf_offset): New.
12648 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12649 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12651 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12652 if not EH section; simplify.
12653 (darwin_file_start): New.
12654 (darwin_asm_output_dwarf_offset): New.
12655 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12657 (DEBUG_INFO_SECTION): Likewise.
12658 (DEBUG_ABBREV_SECTION): Likewise.
12659 (DEBUG_ARANGES_SECTION): Likewise.
12660 (DEBUG_MACINFO_SECTION): Likewise.
12661 (DEBUG_LINE_SECTION): Likewise.
12662 (DEBUG_LOC_SECTION): Likewise.
12663 (DEBUG_PUBNAMES_SECTION): Likewise.
12664 (DEBUG_STR_SECTION): Likewise.
12665 (DEBUG_RANGES_SECTION): Likewise.
12666 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12667 (ASM_OUTPUT_DWARF_OFFSET): New.
12669 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12671 * config.gcc (tm_defines): Always add to previous value rather
12674 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12676 * config/mips/predicates.md (splittable_const_int_operand): New,
12677 split from move_operand.
12678 (splittable_symbolic_operand): New.
12679 (move_operand): Add commentary. Use splittable_const_int_operand.
12680 Inline mips_atomic_symbolic_constant_p.
12681 * config/mips/mips.md: Add combine splitters for handling moves
12682 of splittable_const_int_operands and splittable_symbolic_operands.
12683 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12684 (mips_split_symbol): Declare.
12685 (mips_move_integer): Declare.
12686 * config/mips/mips.c (mips_split_p): Make global.
12687 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12688 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12689 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12690 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12691 (mips_offset_within_object_p): Handle block symbols.
12692 (mips_atomic_symbolic_constant_p): Delete.
12693 (mips_cannot_force_const_mem): Return false for constants that
12694 mips_legitimize_move can handle.
12695 (mips_use_blocks_for_constant_p): New function.
12696 (mips_split_symbol): Make global.
12697 (mips_move_integer): Likewise. Add a temporary register argument.
12698 (mips_legitimize_const_move): Use splittable_const_int_operand and
12699 splittable_symbolic_operand.
12700 (mips_use_anchors_for_symbol_p): New function.
12701 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12702 (mips_split_p): Declare.
12704 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12706 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12707 (mips*-*-linux*): Likewise.
12709 2006-03-16 Roger Sayle <roger@eyesopen.com>
12710 Daniel Speyer <dspeyer@wam.umd.edu>
12712 PR middle-end/18259
12713 * tree-dump.c (dump_real): New function.
12714 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12715 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12716 (tree-dump.o): Add $(REAL_H) to the dependencies.
12718 2006-03-16 Roger Sayle <roger@eyesopen.com>
12720 PR middle-end/21781
12721 * real.c (real_from_string): If the mantissa is zero, don't bother
12722 parsing the exponent as the result should always be zero.
12724 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12726 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12728 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12730 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12731 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12732 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12733 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12734 ia64_sched_finish_global): New static functions to implement
12735 hooks from gcc_target.sched.
12736 (spec_check_no, max_uid, pending_data_specs): New static variables.
12737 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12738 ia64_spec_check_src_p): New static functions.
12739 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12740 (TARGET_SCHED_ADJUST_COST): Removed.
12741 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12742 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12743 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12744 TARGET_SCHED_GEN_CHECK,
12745 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12746 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12747 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12748 Fixed to handle speculation checks.
12749 (rtx_needs_barrier): Fixed to handle speculative loads and
12751 (ia64_variable_issue): Added code to count speculative loads and their
12753 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12755 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12757 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12759 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12760 (ia64_reorg): Reset stops_p to NULL after it is freed.
12761 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12762 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12763 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12765 (data_speculative, control_speculative, check_load): New attributes.
12766 (mov<mode>_advanced, mov<mode>_speculative,
12767 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12768 zero_extend<mode>di2_speculative,
12769 zero_extend<mode>di2_speculative_advanced): New patterns for
12770 data and control speculative loads.
12771 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12773 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12774 New pattern for data and control speculation checks.
12775 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12776 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12777 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12778 Auxiliary definitions for the patterns.
12779 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12780 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12782 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12784 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12785 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12786 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12787 New resource constraints.
12788 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12790 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12791 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12792 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12793 msched-in-control-spec, msched-ldc, msched-control-ldc,
12794 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12795 msched-prefer-non-control-spec-insns,
12796 msched-count-spec-in-critical-path): New flags to tune speculative
12798 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12799 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12800 msched-in-control-spec, msched-ldc, msched-control-ldc,
12801 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12802 msched-prefer-non-control-spec-insns,
12803 msched-count-spec-in-critical-path): Document new flags.
12805 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12807 * target.h (struct spec_info_def): New opaque declaration.
12808 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12809 speculate_insn, needs_block_p, gen_check,
12810 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12811 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12812 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12813 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12814 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12815 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12817 (TARGET_SCHED): Use new macros.
12818 * rtl.h (copy_DEPS_LIST_list): New prototype.
12819 * sched-int.h (struct sched_info): Change signature of new_ready field,
12820 adjust all initializations. New fields: add_remove_insn,
12821 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12822 region_head_or_leaf_p.
12823 (struct spec_info_def): New structure declaration.
12824 (spec_info_t): New typedef.
12825 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12826 recovery_block, orig_pat.
12827 (glat_start, glat_end): New variables declaraions.
12828 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12830 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12831 DETACH_LIFE_INFO, USE_GLAT.
12832 (enum SPEC_SCHED_FLAGS): New enumeration.
12833 (NOTE_NOTE_BB_P): New macro.
12834 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12835 attach_life_info, debug_spec_status, check_reg_live): New functions.
12836 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12837 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12839 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12840 * ddg.c (get_block_head_tail): Adjust all uses.
12841 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12842 (sms_sched_info): Initialize new fields.
12843 (contributes_to_priority): Removed.
12844 * haifa-sched.c (params.h): New include.
12845 (get_block_head_tail): Adjust all uses.
12846 (ISSUE_POINTS): New macro.
12847 (glat_start, glat_end): New global variables.
12848 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12849 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12850 old_last_basic_block, before_recovery, current_sched_info_var,
12851 rgn_n_insns, luid): New static variables.
12852 (insn_cost1): New function. Move logic from insn_cost to here.
12853 (find_insn_reg_weight1): New function. Move logic from
12854 find_insn_reg_weight to here.
12855 (reemit_notes, move_insn, max_issue): Change signature.
12856 (move_insn1): Removed.
12857 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12858 extend_bb): New static functions to support extension of scheduler's
12860 (generate_recovery_code, process_insn_depend_be_in_spec,
12861 begin_speculative_block, add_to_speculative_block,
12862 init_before_recovery, create_recovery_block, create_check_block_twin,
12863 fix_recovery_deps): New static functions to support
12864 generation of recovery code.
12865 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12866 restore_bb_notes, move_block_after_check, move_succs): New static
12867 functions to support ebb scheduling.
12868 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12869 functions to support handling of register live information.
12870 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12871 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12872 add_jump_dependencies): New static functions.
12873 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12874 consistancy checking.
12875 (debug_spec_status): New function to call from debugger.
12876 (priority): Added code to handle speculation checks.
12877 (rank_for_schedule): Added code to distinguish speculative instructions.
12878 (schedule_insn): Added code to handle speculation checks.
12879 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12880 Fixed to handle ebbs.
12881 (move_insn): Added code to handle ebb scheduling.
12882 (max_issue): Added code to use ISSUE_POINTS of instructions.
12883 (choose_ready): Added code to choose between speculative and
12884 non-speculative instructions.
12885 (schedule_block): Added code to handle ebb scheduling and scheduling of
12886 speculative instructions.
12887 (sched_init): Initialize new variables.
12888 (sched_finish): Free new variables. Print statistics.
12889 (try_ready): Added code to handle speculative instructions.
12890 * lists.c (copy_DEPS_LIST_list): New function.
12891 * sched-deps.c (extend_dependency_caches): New function. Move logic
12892 from create_dependency_caches to here.
12893 (get_dep_weak, ds_merge): Make global.
12894 * genattr.c (main): Code to output prototype for
12895 dfa_clear_single_insn_cache.
12896 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12897 (output_dfa_clean_insn_cache_func): Code to output
12898 dfa_clear_single_insn_cache function.
12899 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12901 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12903 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12904 New static variables.
12905 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12906 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12908 (ebb_sched_info): Initialize new fields.
12909 (get_block_head_tail): Adjust all uses.
12910 (compute_jump_reg_dependencies): Fixed to use glat_start.
12911 (schedule_ebb): Code to remove unreachable last block.
12912 (schedule_ebbs): Added code to update register live information.
12913 * sched-rgn.c (region_sched_info): Initialize new fields.
12914 (get_block_head_tail): Adjust all uses.
12915 (last_was_jump): Removed. Adjust users.
12916 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12917 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12918 Implement new hooks.
12919 (check_dead_notes1): New static function.
12920 (struct region): New fields: dont_calc_deps, has_real_ebb.
12921 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12922 (BB_TO_BLOCK): Fixed to handle EBBs.
12923 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12924 (ebb_head): New static variable.
12925 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12926 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12928 (compute_dom_prob_ps): New assertion.
12929 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12930 global_live_at_start.
12931 (init_ready_list): New assertions.
12932 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12933 (new_ready): Add support for BEGIN_CONTROL speculation.
12934 (schedule_insns): Fixed code that updates register live information
12936 (schedule_region): Fixed to handle EBBs.
12937 (init_regions): Use extend_regions and check_dead_notes1.
12938 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12939 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12940 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12941 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12942 TARGET_SCHED_GEN_CHECK,
12943 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12944 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12945 * doc/invoke.texi (max-sched-insn-conflict-delay,
12946 sched-spec-prob-cutoff): Document.
12948 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12950 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12951 inter_tick, queue_index.
12952 (struct sched_info): Change signature of init_ready_list field.
12953 Adjust all initializations.
12954 (RESOLVED_DEPS): New access macro.
12955 (ready_add): Remove prototype.
12956 (try_ready): Add prototype.
12957 * sched-rgn.c (init_ready_list): Use try_ready.
12958 (schedule_region): Initialize
12959 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12960 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12961 (init_ready_list): Use try_ready.
12962 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12963 * lists.c (remove_list_elem): Remove `static'.
12964 (remove_free_INSN_LIST_elem): New function.
12965 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12966 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12967 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12969 (readyp): New variable.
12970 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12971 change_queue_index, resolve_dep): New static functions.
12972 (try_ready): New function. Adjust callers in sched-rgn.c and
12973 sched-ebb.c to use it instead of ready_add.
12974 (clock_var): Move at the begining of file.
12975 (rank_for_schedule): Fix typo.
12976 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12977 (ready_lastpos): Enforce assertion.
12978 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12979 update all callers.
12980 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12981 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12982 (queue_to_ready): Use free_INSN_LIST_list.
12983 (early_queue_to_ready): Fix typo.
12984 (schedule_block): Init readyp. Move init_ready_list call after the
12985 initialization of clock_var. Fix error in rejecting insn by
12986 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12987 that previously corrected INSN_TICKs. Add code for handling
12989 (set_priorities): Fix typo.
12990 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12991 Clarify comment and code that keeps current_sched_info->next_tail
12994 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12996 * sched-rgn.c (extend_rgns): New static function.
12997 (find_rgns): Use it.
12998 (gather_region_statistics, print_region_statistics): New static
13000 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
13001 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
13003 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13004 Andrey Belevantsev <abel@ispras.ru>
13006 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13007 * lists.c (unused_deps_list): New variable.
13008 (free_list): Add assertions to verify the proper distinguishing
13009 between INSN_LISTs and DEPS_LISTs.
13010 (find_list_elem, remove_list_elem, remove_list_node): New static
13012 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13013 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13014 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13015 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13017 (free_INSN_LIST_node): Likewise.
13018 * modulo-sched.c (current_sched_info): Initialize flags field.
13019 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13020 * rtl.def (DEPS_LIST): Define.
13021 * rtl.h: Declare new functions from lists.c.
13022 * sched-deps.c (spec_dependency_cache): New static variable.
13023 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13024 (add_dependence): Change return type to void. Move the logic to ...
13025 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13026 (delete_all_dependences): Add comment about forward_dependency_cache.
13027 Handle spec_dependency_cache. Handle DEPS_LISTs.
13028 (fixup_sched_groups): Clarify the change of priority of output
13029 and anti dependencies.
13030 (sched_analyze_2): Adjust add_dependence calls to create data
13031 speculative dependence.
13032 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13033 Adjust all callers. Handle DEPS_LISTS.
13034 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13035 presence of speculation.
13036 (init_dependency_caches, free_dependency_caches):
13037 Handle spec_dependency_cache.
13038 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13039 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13040 New static functions.
13041 (add_or_update_back_dep, add_or_update_back_forw_dep,
13042 add_back_forw_dep, delete_back_forw_dep): New functions.
13043 * sched-int.h (ds_t, dw_t): New typedefs.
13044 (struct sched_info): Add new field flags.
13045 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13046 Prototype new sched-deps.c functions.
13047 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13048 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13049 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13050 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13051 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13052 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13054 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13056 * sched-rgn.c (current_sched_info): Initialize flags field.
13057 (schedule_insns): Initialize current_sched_info before the sched_init
13059 * sched-ebb.c (current_sched_info): Initialize flags field.
13060 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13061 Call add_or_update_back_dep instead of add_dependence.
13062 Create control speculative dependencies.
13063 (schedule_insns): Initialize current_sched_info before the sched_init
13066 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13068 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13070 (sh_fallback_frame_state): Likewise.
13072 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13074 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13075 Do switch on default_use_cxa_atexit.
13076 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13077 * config/darwin-crt3.o: New.
13078 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13079 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13080 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13082 * config/rs6000/t-darwin: Move crt2.o building to here.
13083 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13084 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13087 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13089 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13090 from '! xxx' to '!xxx' for coding-style conformance.
13091 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13092 (EXTRA_CONSTRAINT): Likewise.
13093 * config/vax/vax.md (four unnamed insns): Likewise.
13095 2006-03-15 Paul Brook <paul@codesourcery.com>
13097 * config/arm/arm.c (minipool_pad): New.
13098 (add_minipool_forward_ref): Include pool alignment padding in address
13100 (push_minipool_fix): Set minipool_pad.
13101 (minipool_pad): Ditto.
13103 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13105 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13106 instead of GET_CODE() == MEM and REG_P() instead of
13108 (print_operand_address): Likewise.
13109 (vax_address_cost): Likewise.
13110 (vax_rtx_costs): Likewise.
13111 (vax_notice_update_cc): Likewise.
13112 (vax_output_int_add): Likewise.
13113 (INDEX_REGISTER_P): Likewise.
13114 (BASE_REGISTER_P): Likewise.
13115 (nonindexed_address_p): Likewise.
13116 (vax_mode_dependent_address_p): Likewise.
13117 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13118 (PRINT_OPERAND): Likewise.
13119 * config/vax/vax.md (ashlsi3): Likewise.
13120 (ashlsi3): Likewise.
13121 (some more unnamed insns): Likewise.
13123 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13125 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13126 iterator-style macro.
13127 (mark_control_dependent_edges_necessary): Update the use of
13128 EXECUTE_IF_CONTROL_DEPENDENT.
13130 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13132 * config/sh/predicates.md (cache_address_operand): Special.
13133 (ua_address_operand): Likewise.
13135 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13137 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13139 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13141 2006-03-15 Andreas Schwab <schwab@suse.de>
13143 * gensupport.c (identify_predicable_attribute): Don't free p_false
13144 when it is still in use.
13146 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13148 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13149 the default setting here.
13151 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13153 * tree-pass.h (pass_cfg): Remove.
13154 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13155 * passes.c (pass_cfg): Don't run it.
13157 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13159 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13160 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13162 (stack_regs_mentioned): Update the uses of
13163 stack_regs_mentioned_data. Don't access the array beyond its
13165 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13166 Don't include gt-reg-stack.h.
13168 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13169 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13171 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13173 PR middle-end/26684
13174 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13177 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13179 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13181 2006-03-14 Richard Guenther <rguenther@suse.de>
13183 PR tree-optimization/26672
13184 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13187 2006-03-14 Richard Guenther <rguenther@suse.de>
13189 PR tree-optimization/26667
13190 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13191 node for the callees. Always allow inlining if it will shrink
13194 2006-03-14 Richard Guenther <rguenther@suse.de>
13196 PR middle-end/26659
13197 * builtins.c (get_pointer_alignment): Prefer alignment
13198 information from decls over that from types.
13200 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13203 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13205 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13207 * config/rs6000/rs6000.opt (mdlmzb): New option.
13208 (msched-prolog, msched-epilog): Use Var not Mask.
13209 * doc/invoke.texi (-mdlmzb): Document.
13210 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13212 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13213 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13215 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13217 PR rtl-optimization/25739
13218 * bt-load.c (augment_live_range): Free tos pointer.
13220 * gensupport.c (identify_predicable_attribute): Free
13222 * gcov.c (create_file_names): Free name pointer.
13224 2006-03-13 Roger Sayle <roger@eyesopen.com>
13226 PR middle-end/26557
13227 * stmt.c (emit_case_nodes): Handle the case where the index is a
13228 CONST_INT, where the comparison mode is specified by the index type.
13230 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13232 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13235 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13237 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13238 (*branch_fp_inverted): Likewise.
13240 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13242 PR middle-end/25989
13243 * omp-low.c (expand_omp_for_generic): Mark istart0
13244 and iend0 as addressable.
13246 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13248 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13250 2006-03-13 Jeff Law <law@redhat.com>
13252 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13253 virtual operands are interesting.
13254 (vrp_visit_stmt): Corresponding changes.
13256 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13258 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13260 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13261 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13262 * config/bfin/crti.S: Use it instead of __PIC__.
13263 * config/bfin/crtn.S: Likewise.
13265 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13266 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13268 Lose 'G' modifier for call operand.
13269 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13270 recognize 'G' modifier.
13272 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13274 PR middle-end/18859
13275 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13276 * stmt.c (expand_case): Likewise.
13278 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13280 PR rtl-optimization/26254
13281 * loop-invariant.c (seq_insns_valid_p): New function.
13282 (move_invariant_reg): Only emit new code if it is valid.
13284 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13286 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13288 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13289 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13290 (commit_one_edge_insertion): Do not look for loop notes.
13292 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13294 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13295 flag_test_coverage out of loop.
13297 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13299 * final.c (shorten_branches): Remove outdated comment, and turn
13300 the if branch that guards it to continue.
13302 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13304 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13305 * cfgloop.h (struct loop): Remove unused fields.
13307 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13309 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13310 (-dL, -fdump-rtl-loop2): Update the dump file names
13312 * doc/invoke.texi: Update dump file names.
13314 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13316 * predict.c (estimate_probability): Remove.
13317 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13318 * basic-block.h (estimate_probability): Remove prototype.
13319 * passes.c (finish_optimization_passes): Dump branch prediction or
13320 profiling heuristics to the .profile tree dump.
13321 (init_optimization_passes): Unqueue pass_branch_prob.
13323 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13325 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13327 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13328 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13330 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13332 * function.h (frame_offset_overflow): Declare.
13333 * function.c (frame_offset_overflow): New function.
13334 (assign_stack_local_1): Call it to detect that the offset overflows.
13335 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13337 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13339 * config/sh/sh.c: Include alloc-pool.h.
13340 (label_ref_list_pool): New alloc pool.
13341 (label_ref_list_t): New type for lists of labels.
13342 (struct pool_node): Make wend a label_ref_list_t.
13343 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13345 (dump_table): Likewise.
13346 (sh_reorg): Set up the alloc pool before using add_constant and
13347 dump_table, and destroy it when finishing.
13349 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13351 * config/mips/mips.c: Remove redundant comment.
13353 2006-03-10 Jason Merrill <jason@redhat.com>
13356 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13357 the target was declared 'register'.
13359 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13361 * genpreds.c (write_insn_constraint_len): Change definition of
13362 insn_constraint_len to return size_t to match the declaration.
13364 2006-03-10 DJ Delorie <dj@redhat.com>
13366 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13368 (m32c_expand_insv): Fix test for an AND mask.
13370 2006-03-10 Richard Guenther <rguenther@suse.de>
13372 PR middle-end/26565
13373 * builtins.c (get_pointer_alignment): Handle component
13374 references for field alignment.
13376 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13378 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13379 when building with libgloss.
13380 (sh*elf): Implement --without-fp option.
13381 (sh64-superh-linux*): Don't multilib.
13383 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13385 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13387 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13389 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13390 Set it when one of the replacement functions returned true.
13391 Return TODO_cleanup_cfg if cfgchanged is true.
13392 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13394 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13396 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13397 instead of gen_lowpart.
13399 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13401 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13403 (mips_output_order_conditional_branch): Declare.
13404 * config/mips/mips.h (MIPS_BRANCH): New macro.
13405 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13406 for the comparison. Use gen_condjump.
13407 (mips_output_conditional_branch): Rework interface to take the
13408 asm templates for a direct branch and the inverse of a direct branch.
13409 (mips_output_order_conditional_branch): New function.
13410 (mips_builtin_branch_and_move): New function.
13411 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13412 branch condition. Use gen_single_cc as the condition for
13413 __builtin_mips_upper_* or __builtin_mips_lower_*.
13414 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13415 Use VOIDmode for the branch condition.
13416 * config/mips/predicates.md (order_operator): New predicate.
13417 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13418 (branch_fp): Rename to...
13419 (*branch_fp): ...this. Remove mode from comparison operator.
13420 Use new mips_output_conditional_branch interface.
13421 (branch_fp_inverted): Rename to...
13422 (*branch_fp_inverted): ...this and update as for *branch_fp.
13423 (*branch_zero<mode>): Rename to...
13424 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13425 Use mips_output_order_conditional_branch. Only accept ordered
13427 (*branch_zero<mode>_inverted): Rename to...
13428 (*branch_order<mode>_inverted): ...this and update as for
13429 *branch_order<mode>.
13430 (*branch_equality<mode>): Accept zero as the second operand to
13431 the equality operator. Use the new mips_output_conditional_branch
13433 (*branch_equality<mode>_inverted): Likewise.
13434 (condjump): New expander.
13435 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13437 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13438 (bc1any2t, bc1any2f): Likewise.
13439 (single_cc): New expander.
13440 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13442 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13444 * doc/md.texi: Update documentation of MIPS constraints.
13445 * config/mips/constraints.md: New file.
13446 * config/mips/mips.md: Include it.
13447 * config/mips/mips.c (mips_char_to_class): Delete.
13448 (override_options): Don't initialize mips_char_to_class.
13449 * config/mips/mips.h (mips_char_to_class): Delete.
13450 (REG_CLASS_FROM_LETTER): Delete.
13451 (CONST_OK_FOR_LETTER_P): Delete.
13452 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13453 (EXTRA_CONSTRAINT_Y): Delete.
13454 (EXTRA_CONSTRAINT_STR): Delete.
13455 (CONSTRAINT_LEN): Delete.
13456 (EXTRA_MEMORY_CONSTRAINT): Delete.
13458 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13460 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13461 original fn's eh regions.
13463 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13465 * fold-const.c (build_range_check): Make sure to use a valid type to
13466 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13469 (range_predecessor): New static function.
13470 (range_successor): Likewise.
13471 (merge_ranges): Use them to compute predecessors and successors of
13474 2006-03-09 Roger Sayle <roger@eyesopen.com>
13476 PR middle-end/26561
13477 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13478 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13480 2006-03-08 DJ Delorie <dj@redhat.com>
13482 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13483 (addpsi3): Expand to include memory operands. Remove
13484 reload-specific splits.
13485 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13486 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13487 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13488 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13489 (shift1_qi, shift1_hi, insv): New.
13490 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13491 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13492 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13494 * config/m32c/m32c-protos.h: Update as needed.
13495 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13496 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13497 Fail for unrecognized R* constraints.
13498 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13499 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13500 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13502 (m32c_init_libfuncs): New.
13503 (m32c_legitimate_address_p): Add debug wrapper.
13504 (m32c_rtx_costs): New.
13505 (m32c_address_cost): New.
13506 (conversions): Add 'B' prefix.
13507 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13508 operands, or word regnames for QI operands. 'B' prints bit
13510 (m32c_expand_setmemhi): New.
13511 (m32c_expand_movmemhi): New.
13512 (m32c_expand_movstr): New.
13513 (m32c_expand_cmpstr): New.
13514 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13515 (m32c_expand_neg_mulpsi3): Handle non-ints.
13516 (m32c_cmp_flg_0): New.
13517 (m32c_expand_movcc): New.
13518 (m32c_expand_insv): New.
13519 (m32c_scc_pattern): New.
13520 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13521 a0/a1 out of SIregs.
13522 (STORE_FLAG_VALUE): New.
13523 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13526 * config/m32c/mov.md: Make constraints more liberal.
13527 (zero_extendqihi2): Optimize r0/r1 case.
13528 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13529 * config/m32c/predicates.md (m32c_any_operand): New.
13530 (m32c_nonimmediate_operand): New.
13531 (m32c_hl_operand): New.
13532 (m32c_r3_operand): New.
13535 (memsym_operand): New.
13536 (memimmed_operand): New.
13537 (a_qi_operand): New.
13538 (m32c_eqne_operator): New.
13539 (m32c_1bit8_operand): New.
13540 (m32c_1bit16_operand): New.
13541 (m32c_1mask8_operand): New.
13542 (m32c_1mask16_operand): New.
13543 * config/m32c/blkmov.md: New file.
13544 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13546 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13548 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13549 unsigned to fix signed/unsigned comparison issue in
13550 DWARF2_FRAME_REG_OUT.
13551 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13552 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13554 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13555 of ptr into the ENABLE_CHECKING section.
13557 2006-03-08 Jeff Law <law@redhat.com>
13559 * tree-vrp.c (infer_value_range): Only count pointer uses
13560 and dereferences if -fdelete-null-pointer-checks is enabled.
13562 * tree-vrp.c (find_assert_locations): Infer value ranges for
13563 single use pointers, but do not create ASSERT_EXPRs for them.
13564 When a non-null range is inferred for a pointer, backwards
13565 propagate that range to other equivalent pointers through the
13568 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13571 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13572 language hook targets.
13573 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13574 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13575 if language hook targets were missing.
13577 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13579 * tree-ssa-opfinalize.h: Removed.
13580 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13582 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13583 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13584 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13585 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13586 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13587 finalize_ssa_v_must_def_ops): New.
13589 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13591 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13592 block as parameter.
13594 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13596 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13598 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13599 addresses with offsets; reorganize.
13601 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13602 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13603 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13605 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13608 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13610 2006-03-08 Ben Elliston <bje@au.ibm.com>
13612 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13614 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13617 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13620 2006-03-07 Richard Guenther <rguenther@suse.de>
13622 PR tree-optimization/26587
13623 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13625 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13627 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13629 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13631 * hooks.c (hook_bool_mode_rtx_true): New function.
13632 * hooks.h (hook_bool_mode_rtx_true): Declare.
13633 * toplev.c (compile_file): Call output_shared_constant_pool.
13634 * varasm.c (shared_constant_pool): New variable.
13635 (assemble_start_function, assemble_end_function): Remove arguments
13636 from call to output_constant_pool.
13637 (create_constant_pool): New function, split out from...
13638 (init_varasm_status): ...here.
13639 (force_const_mem): Choose between the shared and per-function constant
13640 pools. Set current_function_uses_const_pool when reusing old entries
13641 as well as when creating new ones.
13642 (mark_constant): Ignore data argument.
13643 (mark_constants): Remove pool argument.
13644 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13645 to decide whether the function uses a constant pool.
13646 (output_constant_pool_contents): New function, split out from...
13647 (output_constant_pool): ...here.
13648 (output_shared_constant_pool): New function.
13649 (init_varasm_once): Initialize shared_constant_pool.
13650 * output.h (output_constant_pool): Delete.
13651 (output_shared_constant_pool): Declare.
13652 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13653 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13655 2006-03-06 Nick Clifton <nickc@redhat.com>
13657 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13658 flag_strength_reduce.
13660 2006-03-06 Ben Elliston <bje@au.ibm.com>
13662 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13663 x86_64-*-linux* configurations.
13665 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13666 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13668 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13670 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13672 * basic-block.h: Remove the extern for
13673 rediscover_loops_after_threading.
13675 * cfgloop.c (cancel_loop): Make it static.
13676 * cfgloop.h: Remove the prototype for cancel_loop.
13678 * flow.c (recompute_reg_usage): Make it static.
13679 * rtl.h: Remove the prototype for recompute_reg_usage.
13681 * function.c (use_return_register): Make it static.
13682 * function.h: Remove the prototype.
13684 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13686 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13688 * recog.h: Remove the prototype for
13689 validate_change_maybe_volatile.
13691 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13693 * rtlanal.c (replace_reg): Remove.
13694 * rtl.h: Remove the prototype for replace_reg.
13696 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13698 * regclass.c (reg_scan_update): Remove.
13699 (reg_scan_mark_refs): Remove the last argument.
13700 * rtl.h: Remove the prototype for reg_scan_update.
13702 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13704 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13705 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13706 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13707 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13708 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13709 loop-invariant.c, omp-low.c, opts.c, passes.c,
13710 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13711 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13712 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13713 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13714 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13715 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13717 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13719 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13720 * dwarf2out.h: Remove the prototype for
13721 dwarf2out_add_library_unit_info.
13723 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13725 * tree.c (add_var_to_bind_expr): Remove.
13726 * tree.h: Remove the prototype for add_var_to_bind_expr.
13728 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13730 * regclass.c (n_non_fixed_regs): Remove.
13731 (init_reg_sets_1, globalize_reg): Remove all uses of
13733 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13735 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13737 * rtlanal.c (insns_safe_to_move_p): Remove.
13738 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13740 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13742 * expmed.c (expand_mult_add): Remove.
13743 * expr.h: Remove the prototype for expand_mult_add.
13745 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13747 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13748 and REG_SAVED_VAL_EXP constants.
13749 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13750 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13751 Handle regs stored by value.
13752 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13753 (execute_cfa_program): Handle DW_CFA_val_offset,
13754 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13755 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13756 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13757 (uw_install_context_1): Handle target regs stored by value.
13759 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13761 * tree-sra.c (tree_sra): Return todoflags;
13762 (generate_one_element): Set TODO_update_smt_usage if needed.
13763 (pass_sra): Remove TODO_update_smt_usage.
13764 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13766 (tree_ssa_forward_propagate_single_use_vars): Return
13767 TODO_update_smt_usage if we need to update SMT usage.
13768 (pass_forwprop): Remove TODO_update_smt_usage.
13770 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13772 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13773 (correct_use_link): Remove reference to get_stmt_operands.
13774 (update_stmt_operands): Likewise.
13775 (get_modify_expr_operands): New function factored out of
13776 parse_ssa_operands and get_expr_operands.
13777 Try to create V_MUST_DEFs for LHS by default.
13778 (get_expr_operands) <case MODIFY_EXPR>: Call
13779 get_modify_expr_operands.
13780 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13781 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13782 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13783 get_modify_expr_operands.
13785 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13787 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13788 * tree-flow.h: Remove the prototype for
13789 referenced_var_lookup_if_exists.
13791 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13793 PR rtl-optimization/26345
13795 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13797 2006-03-03 Roger Sayle <roger@eyesopen.com>
13799 PR tree-optimization/26524
13800 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13801 fold_convert to create a constant of the appropriate type.
13803 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13805 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13806 SYMBOL_REF_IN_BLOCK_P.
13807 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13808 of SYMBOL_FLAG_IN_BLOCK.
13809 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13810 instead of SYMBOL_REF_IN_BLOCK_P.
13811 * explow.c (use_anchored_address): Likewise.
13812 * rtl.c (rtx_size): Likewise.
13813 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13814 instead of SYMBOL_FLAG_IN_BLOCK.
13815 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13816 SYMBOL_REF_IN_BLOCK_P.
13817 (assemble_variable): Likewise.
13818 (output_constant_def_contents): Likewise.
13819 (output_constant_pool): Likewise.
13820 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13821 instead of SYMBOL_FLAG_IN_BLOCK.
13822 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13823 SYMBOL_REF_IN_BLOCK_P.
13824 (SYMBOL_REF_BLOCK): Likewise.
13825 (SYMBOL_REF_OFFSET): Likewise.
13826 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13827 SYMBOL_REF_IN_BLOCK_P.
13828 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13829 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13830 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13831 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13833 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13835 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13837 2006-03-02 Roger Sayle <roger@eyesopen.com>
13839 * simplify-rtx.c (simplify_unary_operation): When simplifying
13840 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13841 that we perform the right shift in the appropriate mode, and
13842 then extend or truncate the result to requested mode.
13844 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13846 * gengtype.c (main): Handle double_int type.
13847 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13848 * double-int.c: New file.
13849 * double-int.h: New file.
13850 * system.h: Include doubleint.h.
13851 * Makefile.in (SYSTEM_H): Include double-int.h.
13852 (double-int.o): Add.
13854 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13857 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13860 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13862 * tree-vrp.c (remove_range_assertions): Do not update statements
13865 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13867 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13869 * gcse.c (rest_of_handle_gcse): Ditto.
13870 * except.c (gate_handle_eh): Ditto.
13871 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13872 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13874 2006-03-02 Eric Christopher <echristo@apple.com>
13876 * config/i386/i386.c (machopic_output_stub): Add indirection to
13879 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13883 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13885 Sun Niagara specific optimizations.
13886 * config.gcc: Recognize niagara as target.
13887 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13888 (TARGET_CPU_niagara): Define.
13889 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13890 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13891 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13892 (ASM_CPU_SPEC): Likewise.
13893 (PROCESSOR_NIAGARA): New enum entry.
13894 (REGISTER_MOVE_COST): Handle Niagara.
13895 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13896 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13897 (sparc_override_options): Recognize "niagara", set appropriate
13898 default MASK_* values for it, and align functions to 32-bytes
13899 by default just like ULTRASPARC/ULTRASPARC3.
13900 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13901 (sparc64_initialize_trampoline): Likewise.
13902 (sparc_use_sched_lookahead): Use zero for niagara.
13903 (sparc_issue_rate): Use one for niagara.
13904 * config/sparc/niagara.md: New file.
13905 * config/sparc/sparc.md: Include it.
13906 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13907 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13908 when default cpu is niagara.
13909 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13910 (ASM_CPU_SPEC): Likewise.
13911 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13912 when default cpu is niagara.
13913 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13914 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13915 just like v9/ultrasparc/ultrasparc3.
13916 * doc/invoke.texi: Add documentation for "niagara" and improve
13917 existing documentation for ultrasparc variants.
13919 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13921 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13923 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13925 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13926 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13927 and say that only one is needed.
13928 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13929 * target.h (have_switchable_bss_sections): New hook.
13930 * explow.c (use_anchored_address): Check that the symbol is in a block.
13931 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13932 (bss_noswitch_section): New variables.
13933 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13934 (get_noswitch_section): New function.
13935 (get_block_for_section): Allow SECT to be null.
13936 (unlikely_text_section_p): Use SECTION_STYLE.
13937 (bss_initializer_p): New function.
13938 (get_variable_section): Move earlier in file. Take a new argument,
13939 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13940 Return one of the new *_sections in such cases.
13941 (get_block_for_decl): New function, extracting some logic from
13942 use_blocks_for_decl_p.
13943 (change_symbol_section): Remove in favor of...
13944 (change_symbol_block): ...this new function.
13945 (use_blocks_for_decl_p): Remove checks now performed by
13946 get_block_for_decl.
13947 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13948 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13949 (emit_local, emit_bss, emit_common): ...these new functions.
13950 Return true if the alignment was honored.
13951 (emit_tls_common): New function.
13952 (asm_emit_uninitialised): Delete.
13953 (assemble_variable_noswitch): New function, split out from...
13954 (assemble_variable): ...here. Don't make decisions about common
13955 variables here. Globalize all public decls that go into non-common
13956 sections. Check whether SYMBOL_REF_BLOCK is null.
13957 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13958 (output_constant_pool): Likewise.
13959 (init_varasm_once): Initialize the new section variables.
13960 (have_global_bss_p): New function.
13961 (categorize_decl_for_section): Use bss_initializer_p.
13962 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13963 (place_block_symbol): Assert that the symbol must be in a block.
13964 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13965 (TARGET_INITIALIZER): Include it.
13966 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13967 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13968 (SECTION_MACH_DEP): Bump by two.
13969 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13970 (unnamed_section): Mention SECTION_UNNAMED in comment.
13971 (named_section): Likewise SECTION_NAMED.
13972 (noswitch_section_callback): New type.
13973 (noswitch_section): New structure.
13974 (section): Add a noswitch_section alternative.
13975 (SECTION_STYLE): New macro.
13976 (tls_comm_section, comm_section, lcomm_section): Declare.
13977 (bss_noswitch_section, have_global_bss_p): Declare.
13978 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13979 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13981 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13982 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13985 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13987 * tree-vrp.c (execute_vrp): Return value.
13988 * regrename.c (rest_of_handle_regrename): Ditto.
13989 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13990 * tree-complex.c (tree_lower_complex): Ditto.
13991 (tree_lower_complex_O0): Ditto.
13992 * tracer.c (rest_of_handle_tracer): Ditto.
13993 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13994 * postreload.c (rest_of_handle_postreload): Ditto.
13995 * tree-tailcall.c (execute_tail_recursion): Ditto.
13996 (execute_tail_calls): Ditto.
13997 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13998 * tree.h (init_function_for_compilation): Ditto.
13999 * ipa-cp.c (ipcp_driver): Ditto.
14000 * tree-scalar-evolution.c (scev_const_prop): Ditto.
14001 * tree-scalar-evolution.h (scev_const_prop): Ditto.
14002 * final.c (compute_alignments): Ditto.
14003 (rest_of_handle_final): Ditto.
14004 (rest_of_handle_shorten_branches): Ditto.
14005 (rest_of_clean_state): Ditto.
14006 * omp-low.c (execute_expand_omp): Ditto.
14007 (execute_lower_omp): Ditto.
14008 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14009 * ipa-reference.c (static_execute): Ditto.
14010 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14011 * reorg.c (rest_of_handle_delay_slots): Ditto.
14012 (rest_of_handle_machine_reorg): Ditto.
14013 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14014 * flow.c (recompute_reg_usage): Ditto.
14015 (rest_of_handle_remove_death_notes): Ditto.
14016 (rest_of_handle_life): Ditto.
14017 (rest_of_handle_flow2): Ditto.
14018 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14019 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14020 (do_ssa_store_ccp): Ditto.
14021 (execute_fold_all_builtins): Ditto.
14022 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14023 * modulo-sched.c (rest_of_handle_sms): Ditto.
14024 * ipa-pure-const.c (static_execute): Ditto.
14025 * cse.c (rest_of_handle_cse): Ditto.
14026 (rest_of_handle_cse2): Ditto.
14027 * web.c (rest_of_handle_web): Ditto.
14028 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14029 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14030 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14031 * tree-nrv.c (tree_nrv): Ditto.
14032 (execute_return_slot_opt): Ditto.
14033 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14034 (create_structure_vars): Ditto.
14035 * loop-init.c (rtl_loop_init): Ditto.
14036 (rtl_loop_done): Ditto.
14037 (rtl_move_loop_invariants): Ditto.
14038 (rtl_unswitch): Ditto.
14039 (rtl_unroll_and_peel_loops): Ditto.
14040 (rtl_doloop): Ditto.
14041 * gimple-low.c (lower_function_body): Ditto.
14042 (mark_used_blocks): Ditto.
14043 * tree-ssa-sink.c (execute_sink_code): Ditto.
14044 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14045 (cgraph_early_inlining): Ditto.
14046 * global.c (rest_of_handle_global_alloc): Ditto.
14047 * jump.c (cleanup_barriers): Ditto.
14048 (purge_line_number_notes): Ditto.
14049 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14050 (rest_of_handle_if_after_reload): Ditto.
14051 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14052 (tree_ssa_loop_im): Ditto.
14053 (tree_ssa_loop_unswitch): Ditto.
14054 (tree_vectorize): Ditto.
14055 (tree_linear_transform): Ditto.
14056 (tree_ssa_loop_ivcanon): Ditto.
14057 (tree_ssa_empty_loop): Ditto.
14058 (tree_ssa_loop_bounds): Ditto.
14059 (tree_complete_unroll): Ditto.
14060 (tree_ssa_loop_prefetch): Ditto.
14061 (tree_ssa_loop_ivopts): Ditto.
14062 (tree_ssa_loop_done): Ditto.
14063 * predict.c (tree_estimate_probability): Ditto.
14064 * recog.c (split_all_insns_noflow): Ditto.
14065 (rest_of_handle_peephole2): Ditto.
14066 (rest_of_handle_split_all_insns): Ditto.
14067 * tree-eh.c (lower_eh_constructs): Ditto.
14068 * regmove.c (rest_of_handle_regmove): Ditto.
14069 (rest_of_handle_stack_adjustments): Ditto.
14070 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14071 * function.c (instantiate_virtual_regs): Ditto.
14072 (init_function_for_compilation): Ditto.
14073 (rest_of_handle_check_leaf_regs): Ditto.
14074 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14075 (rest_of_handle_gcse): Ditto.
14076 * ipa-type-escape.c (type_escape_execute): Ditto.
14077 * alias.c (rest_of_handle_cfg): Ditto.
14078 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14079 * profile.c (rest_of_handle_branch_prob): Ditto.
14080 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14081 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14082 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14083 * tree-dfa.c (find_referenced_vars): Ditto.
14084 * except.c (set_nothrow_function_flags): Ditto.
14085 (convert_to_eh_region_ranges): Ditto.
14086 (rest_of_handle_eh): Ditto.
14087 * emit-rtl.c (unshare_all_rtl): Ditto.
14088 (remove_unnecessary_notes): Ditto.
14089 * except.h (set_nothrow_function_flags): Ditto.
14090 (convert_to_eh_region_ranges): Ditto.
14091 * cfgexpand.c (tree_expand_cfg): Ditto.
14092 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14093 * tree-ssa-pre.c (do_pre): Ditto.
14094 (execute_fre): Ditto.
14095 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14096 (rest_of_handle_jump2): Ditto.
14097 * tree-sra.c (tree_sra): Ditto.
14098 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14099 (execute_mudflap_function_decls): Ditto.
14100 * tree-ssa-copy.c (do_copy_prop): Ditto.
14101 (do_store_copy_prop): Ditto.
14102 * ipa-prop.h (ipcp_driver): Ditto.
14103 * cfglayout.c (insn_locators_initialize): Ditto.
14104 * tree-ssa-forwprop.c
14105 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14106 * cfglayout.h (insn_locators_initialize): Ditto.
14107 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14108 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14109 (execute_late_warn_uninitialized): Ditto.
14110 * rtl.h (cleanup_barriers): Ditto.
14111 (split_all_insns_noflow): Ditto.
14112 (purge_line_number_notes): Ditto.
14113 (unshare_all_rtl): Ditto.
14114 (remove_unnecessary_notes): Ditto.
14115 (recompute_reg_usage): Ditto.
14116 (variable_tracking_main): Ditto.
14117 * integrate.c (emit_initial_value_sets): Ditto.
14118 * integrate.h (emit_initial_value_sets): Ditto.
14119 * tree-optimize.c (execute_free_datastructures): Ditto
14120 (execute_free_cfg_annotations): Ditto.
14121 (execute_fixup_cfg): Ditto.
14122 (execute_cleanup_cfg_pre_ipa): Ditto.
14123 (execute_cleanup_cfg_post_optimizing): Ditto.
14124 (execute_init_datastructures): Ditto.
14125 * tree-object-size.c (compute_object_sizes): Ditto.
14126 * combine.c (rest_of_handle_combine): Ditto.
14127 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14128 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14129 (rest_of_handle_reorder_blocks): Ditto.
14130 (rest_of_handle_partition_blocks): Ditto.
14131 * var-tracking.c (variable_tracking_main): Ditto.
14132 * tree-profile.c (tree_profiling): Ditto.
14133 * tree-vect-generic.c (expand_vector_operations): Ditto.
14134 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14135 * sched-rgn.c (rest_of_handle_sched): Ditto.
14136 (rest_of_handle_sched2): Ditto.
14137 * basic-block.h (free_bb_insn): Ditto.
14138 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14139 * tree-cfg.c (execute_build_cfg): Ditto.
14140 (remove_useless_stmts): Ditto.
14141 (split_critical_edges): Ditto.
14142 (execute_warn_function_return): Ditto.
14143 (execute_warn_function_noreturn): Ditto.
14144 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14145 * cfgrtl.c (free_bb_for_insn): Ditto.
14146 * passes.c (execute_one_pass): Run additional
14147 todos returned by execute function.
14148 * tree-pass.h (struct tree_opt_pass): Make execute
14151 2006-03-02 Richard Guenther <rguenther@suse.de>
14153 * tree-ssa-alias.c (find_used_portions): Consider taking
14154 the address as making the variable not write-only.
14156 2006-03-02 Nick Clifton <nickc@redhat.com>
14158 * config.gcc (default_use_cxa_atexit): Extend the description of
14159 this configure variable. Set its default value to "yes" for
14160 Linux, NetBSD and ELF targets on the assumption that they will
14161 use C libraries with the __cxa_atexit function.
14163 2006-03-02 Ben Elliston <bje@au.ibm.com>
14165 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14166 parameter as unused to suppress a build warning.
14168 2006-03-02 Ben Elliston <bje@au.ibm.com>
14170 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14173 2006-03-01 Roger Sayle <roger@eyesopen.com>
14176 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14177 declared name, the weak reference name, and the typeof name.
14178 (__gthrw): Avoid expanding the declared name suffix.
14179 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14181 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14183 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14185 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14186 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14187 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14188 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14189 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14190 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14191 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14192 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14193 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14194 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14195 (DW_END_default, DW_END_big, DW_END_little): New.
14196 (DW_END_lo_user, DW_END_hi_user): Define.
14197 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14198 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14199 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14202 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14204 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14206 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14208 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14210 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14212 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14213 to 'symbol_mem_tag'.
14215 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14218 2006-03-01 Roger Sayle <roger@eyesopen.com>
14220 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14222 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14225 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14226 MACHO_DYNAMIC_NO_PIC_P.
14227 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14229 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14232 * config/darwin-protos.h (darwin_asm_output_anchor):
14234 * config/darwin-sections.def (cstring_section):
14235 Add SECTION_MERGE to the flags.
14236 (literal4_section): Likewise.
14237 (literal8_section): Likewise.
14238 (objc_selector_refs_section): Likewise.
14239 (objc_cls_refs_section): Likewise.
14240 * config/darwin.c (darwin_asm_output_anchor): New
14242 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14244 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14246 Fix PR tree-optimization/26443
14247 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14248 to todo and PROP_tmt_usage to properties_destroyed.
14249 * tree-ssa-ccp.c (pass_ccp): Ditto.
14250 (pass_store_ccp): Ditto.
14251 * tree-ssa-dom.c (pass_dominator): Ditto.
14253 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14255 * tree-ssa-operands.c: Cleanup whitespace.
14256 (get_asm_expr_operands): Move before first invocation.
14257 (get_indirect_ref_operands): Likewise.
14258 (get_tmr_operands): Likewise.
14259 (get_call_expr_operands): Likewise.
14260 (append_def): Likewise.
14261 (append_use): Likewise.
14262 (append_v_may_def): Likewise.
14263 (append_v_must_def): Likewise.
14264 (add_call_clobber_ops): Likewise.
14265 (add_call_read_ops): Likewise.
14266 (add_stmt_operand): Likewise.
14267 (add_virtual_operand): Likewise.
14268 (build_ssa_operands): Likewise.
14270 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14272 PR middle-end/26022
14274 PR middle-end/24437
14275 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14276 with a call expr to ...
14277 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14279 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14281 * tree-vrp.c (extract_range_from_assert): Remove special
14282 handling for types with super-types.
14284 2006-03-01 Ben Elliston <bje@au.ibm.com>
14286 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14287 and powerpc64-*-linux* configurations.
14288 * config/t-dfprules: New file.
14290 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14291 Compile dfp-bit.c from the source directory using -DWIDTH and
14292 $DFP_CFLAGS to control the compilation of that file, rather than
14293 generating width-specific versions in the build directory.
14294 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14295 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14297 2006-02-28 Zack Weinberg <zackw@panix.com>
14299 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14302 2006-02-28 Eric Christopher <echristo@apple.com>
14304 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14305 Set up IN_LIBGCC definition of TARGET_64BIT.
14306 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14308 2006-02-28 Roger Sayle <roger@eyesopen.com>
14310 PR middle-end/14752
14311 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14312 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14313 cases via the construction of "expr != 0".
14315 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14317 * alias.c (alias_invariant, alias_invariant_size): Remove.
14318 (record_base_value): Remove.
14319 (memrefs_conflict_p): Don't look at alias_invariant.
14320 (end_alias_analysis): Don't free it.
14321 * alias.h (record_base_value): Remove prototype.
14323 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14324 Adam Nemet <anemet@caviumnetworks.com>
14326 * rtl.h (truncated_to_mode): Declare it.
14327 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14328 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14329 (RTL_HOOKS_INITIALIZER): Include it.
14330 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14331 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14332 reg_truncated_to_mode.
14333 * rtlanal.c (truncated_to_mode): Define it.
14334 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14336 2006-02-28 Jeff Law <law@redhat.com>
14338 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14339 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14340 the range allowed by TYPE_PRECISION.
14342 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14344 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14346 PR tree-optimization/26419
14347 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14350 2006-02-27 Zack Weinberg <zackw@panix.com>
14352 * doc/md.texi: Fix typo in previous change.
14354 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14358 2006-02-27 Zack Weinberg <zackw@panix.com>
14360 * rtl.def (define_constraint, define_register_constraint)
14361 (define_memory_constraint, define_address_constraint): New MD forms.
14362 * gensupport.c (process_rtx): Put define_constraint etc on the
14364 * genpreds.c (process_define_predicate): Adjust comment. Validate
14365 the name, and call validate_exp to validate the expression.
14366 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14367 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14368 all callers changed.
14369 (validate_exp, needs_variable, struct constraint_data)
14370 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14371 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14372 (const_dbl_constraints, constraint_max_namelen)
14373 (have_register_constraints, have_memory_constraints)
14374 (have_address_constraints, have_address_constraints)
14375 (have_extra_constraints, have_const_int_constraints)
14376 (have_const_dbl_constraints, mangle, add_constraint)
14377 (process_define_constraint, process_define_register_constraint)
14378 (write_enum_constraint_num, write_lookup_constraint)
14379 (write_insn_constraint_len, write_regclass_for_constraint)
14380 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14381 (write_insn_extra_memory_constraint)
14382 (write_insn_extra_address_constraint)
14383 (write_satisfies_constraint_fns): New.
14384 (write_tm_preds_h): If we have new-style constraint definitions,
14385 prototype the functions generated from them, and define the
14386 old constraint interface (still used by generic code) in terms of
14388 (write_insn_preds_c): If we have new-style constraint definitions,
14389 generate all relevant functions from those definitions.
14390 (main): Handle define_constraint etc.
14391 * genoutput.c (struct constraint_data, indep_constraints)
14392 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14393 (mdep_constraint_len): New data structures and functions, defined
14394 #ifdef USE_MD_CONSTRAINTS.
14395 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14396 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14397 use new logic to validate operand constraints against constraint
14399 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14401 * defaults.h: If none of the old-style constraint macros are
14402 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14403 old-style macros; and poison REG_CLASS_FROM_LETTER,
14404 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14406 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14407 * doc/md.texi: Document new constraint-definition mechanism and the
14408 C interface it provides. Remove references to old mechanism
14409 elsewhere in the document.
14410 (Machine Constraints): Use pathnames relative to gcc directory,
14411 i.e. config/ARCH/FILE. Change i386 section to refer to
14412 config/i386/predicates.md; update that section to match docstrings.
14413 * doc/tm.texi: Move all documentation of the old constraint-
14414 definition macros to their own section, clearly mark as obsolete.
14416 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14417 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14419 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14420 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14421 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14422 constraint strings.
14423 (splits and peepholes): Use satisfies_constraint_*.
14424 * config/i386/i386.c (memory_address_length)
14425 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14427 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14429 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14430 scalar operation to be put back into the loop.
14432 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14435 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14436 (extract_cie_info): Handle S flag in augmentation string.
14437 (execute_cfa_program): If context->signal_frame, execute also
14438 fs->pc == context->ra instructions.
14439 (uw_frame_state_for): If context->signal_frame, don't subtract one
14440 from context->ra to find FDE.
14441 (uw_update_context_1): Set context->signal_frame to
14443 (_Unwind_GetIPInfo): New function.
14444 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14445 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14447 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14448 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14449 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14450 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14451 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14452 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14453 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14454 x86_64_fallback_frame_state): Set fs->signal_frame.
14455 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14456 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14457 (frob_update_context): Likewise. Workaround missing S flag in
14458 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14459 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14460 Remove the psw_addr + 1 hack.
14462 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14464 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14465 with aggregates here.
14466 (find_func_aliases): Remove code for &<aggregate> from here.
14468 2006-02-26 Roger Sayle <roger@eyesopen.com>
14470 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14471 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14472 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14473 as (X & C) ne/eq 0.
14475 2006-02-26 Roger Sayle <roger@eyesopen.com>
14477 PR middle-end/19983
14478 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14480 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14482 * opts.c (decode_options): Do not handle flag_strength_reduce.
14483 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14484 and OPT_fstrength_reduce.
14485 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14486 flag_prefetch_loop_arrays for being nonzero.
14487 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14489 (fprefetch-loop-arrays-rtl): Removed.
14490 (flag_prefetch_loop_arrays): Do not specify the value.
14492 * doc/passes.texi: Update documentation of loop optimizer
14494 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14495 -frerun-loop-opt): Remove.
14497 2006-02-26 Richard Guenther <rguenther@suse.de>
14499 PR tree-optimization/26421
14500 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14501 in function calls that are ADDR_EXPRs as using the whole structure.
14503 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14505 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14506 * tree-pass.h (pass_loop_optimize): Remove.
14507 * passes.c (pass_loop_optimize): Never run it.
14508 * toplev.c (backend_init): Don't call init_loop.
14509 * opts.c (flag_loop_optimize_set): Remove.
14510 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14511 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14512 the old RTL loop optimizer when profiling enabled.
14513 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14514 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14515 pre-headers for the sake of the old RTL loop optimizer.
14516 * Makefile.in: Remove all references to loop.o.
14518 * doc/invoke.texi: Remove all references to -floop-optimize
14519 and -frerun-loop-opt.
14521 2006-02-26 Zack Weinberg <zackw@panix.com>
14523 * doc/md.texi (Machine Constraints): Refer to all files with paths
14524 relative to gcc directory (i.e. config/CPU/file). Add missing
14525 @table @code ... @end table to M32C subsection.
14527 2006-02-26 Roger Sayle <roger@eyesopen.com>
14529 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14531 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14533 2006-02-26 Roger Sayle <roger@eyesopen.com>
14534 James A. Morrison <phython@gcc.gnu.org>
14536 PR middle-end/21137
14537 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14538 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14539 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14540 signedness of the shift operation.
14542 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14544 PR tree-optimization/26359
14545 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14547 2006-02-25 Roger Sayle <roger@eyesopen.com>
14549 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14550 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14551 as X == 0, and some symmetry related transformations.
14552 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14554 2006-02-25 Roger Sayle <roger@eyesopen.com>
14556 PR middle-end/23673
14557 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14558 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14559 symmetry related transformations. Fold (X^C1) == C2 as
14562 2006-02-25 Juergen Weigert <jw@suse.de>
14563 Richard Guenther <rguenther@suse.de>
14565 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14567 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14569 * combine.c (gen_lowpart_or_truncate): Call
14570 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14572 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14574 * doc/invoke.texi: Move -fopenmp description to "Options for
14576 Remove reference to -lgomp.
14578 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14580 * doc/install.texi: Require GNU tar version 1.14.
14582 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14584 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14585 * doc/invoke.texi (C++ Dialect Options): Document
14586 -fno-use-cxa-get-exception-ptr.
14587 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14588 * configure: Regenerate.
14589 * c.opt (fuse-cxa-get-exception-ptr): New.
14590 * c-opts.c (c_common_handle_option): Handle
14591 OPT_fuse_cxa_get_exception_ptr.
14592 * c-common.c (flag_use_cxa_atexit): Update documentation.
14593 (flag_use_cxa_get_exception_ptr): New.
14594 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14595 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14597 (C_COMMON_OVERRIDE_OPTIONS): New.
14599 2006-02-24 Roger Sayle <roger@eyesopen.com>
14601 PR middle-end/24952
14602 * combine.c (try_combine): Explicitly check whether GET_CODE is
14603 a SET or a CLOBBER, instead on checking that it isn't a USE.
14605 2006-02-24 Roger Sayle <roger@eyesopen.com>
14607 * fold-const.c (fold_comparison): New subroutine of fold_binary
14608 containing transformations common to both the equality and
14609 ordering relational operators, factored out of fold_binary.
14610 (fold_binary): Separate out the equality operators (EQ_EXPR
14611 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14612 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14613 transformations common to both.
14614 (fold_div_compare): Fix latent bugs in the previously unreachable
14615 LT_EXPR and GE_EXPR cases.
14617 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14619 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14620 decl libname for clog to __clog on AIX.
14622 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14624 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14627 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14628 output traceback table for thunks. Localise rs6000_stack_info call.
14630 2006-02-23 Roger Sayle <roger@eyesopen.com>
14631 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14633 * gthr-posix.h (__gthrw): Fix typo in comment.
14635 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14637 * doc/cpp.texi (Character sets): Document that we do support
14638 input files to be in any character set.
14640 2006-02-23 Jeff Law <law@redhat.com>
14642 * tree.h (PHI_ARG_NONZERO): Remove.
14643 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14644 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14645 node to the new node.
14647 PR tree-optimization/26425
14648 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14649 min/max, then assume its varying.
14651 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14653 PR rtl-optimization/26316
14654 * rtlanal.c (enum may_trap_p_flags): New.
14655 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14656 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14657 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14658 (may_trap_after_code_motion_p): New function.
14659 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14660 (find_invariant_insn): Use may_trap_after_code_motion_p.
14661 * rtl.h (may_trap_after_code_motion_p): Declare.
14663 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14665 * emit-rtl.c (immed_double_const): Cleanup.
14667 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14669 Fix PR tree-optimization/26376
14670 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14673 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14675 PR middle-end/26412
14676 * gimplify.c (omp_add_variable): Guard variable size decl test with
14677 DECL_SIZE (decl) check.
14679 2006-02-23 Richard Guenther <rguenther@suse.de>
14681 PR middle-end/26439
14682 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14683 like aggregate types.
14685 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14687 * configure.ac: Add --with{,out}-long-double-128 configure option.
14688 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14689 * configure: Rebuilt.
14690 * config.in: Rebuilt.
14691 * doc/install.texi (Options specification): Document
14692 --with-long-double-128.
14694 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14695 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14696 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14697 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14699 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14701 * config/s390/s390.c (override_options): Handle
14702 TARGET_DEFAULT_LONG_DOUBLE_128.
14704 * config/alpha/alpha.c (override_options): Handle
14705 TARGET_DEFAULT_LONG_DOUBLE_128.
14707 * config/sparc/sparc.c (sparc_override_options): Handle
14708 TARGET_DEFAULT_LONG_DOUBLE_128.
14710 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14712 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14713 (real-install-headers-tar, real-install-headers-cpio)
14714 (real-install-headers-cp): New targets.
14716 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14718 * tree.h (variable_section): Delete.
14719 * varasm.c (variable_section): Delete.
14721 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14723 * install.texi: Add notes on install.texi2html.
14724 (Building in parallel): Do not use footnotes.
14726 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14729 * doc/install.texi (Configuration): Document --disable-libgomp.
14731 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14733 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14735 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14737 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14738 (vec_extractv2df_0_sse): New.
14740 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14742 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14743 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14744 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14745 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14746 to the result of the expression.
14747 (def_cfa_1): Adjust.
14748 (frame_pointer_cfa_offset): Rename to...
14749 (frame_pointer_fb_offset): ... this. Adjust all uses.
14750 (convert_cfa_to_loc_list): Rename to...
14751 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14752 Pass it on to build_cfa_loc.
14753 (compute_frame_pointer_to_cfa_displacement): Rename to...
14754 (compute_frame_pointer_to_fb_displacement): ... this. New
14755 offset parameter. Use it in computation.
14756 (gen_subprogram_die): Compute cfa_fb_offset with the new
14757 macro, and use it to compute the fb loc list and the
14760 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14762 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14763 replaced with register_operand.
14764 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14765 non-DREG is expensive.
14766 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14767 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14770 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14772 * doc/install.texi2html: Use set -e.
14774 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14776 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14777 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14778 * doc/invoke.texi (-fshared-data): Delete.
14779 * common.opt (fshared-data): Delete.
14780 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14781 (assemble_static_space): Remove #if 0 code.
14782 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14783 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14784 * config/cris/cris.h: Remove FIXME.
14786 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14788 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14791 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14793 PR middle-end/26379
14794 * combine.c (simplify_shift_const_1): Disable nested shifts
14795 optimization for vector shifts.
14797 2006-02-20 Roger Sayle <roger@eyesopen.com>
14799 PR tree-optimization/26361
14800 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14801 of unsigned integer types.
14803 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14805 * tree-chrec.c (eq_evolutions_p): New.
14806 * tree-chrec.h (eq_evolutions_p): Declared.
14807 * tree-data-ref.c: Fix formatting.
14808 (datadep_stats, dependence_stats): New.
14810 (print_direction_vector): New.
14811 (dump_data_dependence_relation): Use print_direction_vector.
14812 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14813 (compute_subscript_distance): Static.
14814 (initialize_data_dependence_relation): Static. Get the number
14815 of loops surrounding the references from the callers, and initialize
14816 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14817 base_object_differ_p analyzers.
14818 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14819 compute_overlap_steps_for_affine_1_2,
14820 analyze_subscript_affine_affine): Count the classified dependences.
14821 Print a message when a test failed.
14822 (can_use_analyze_subscript_affine_affine): New.
14823 (analyze_siv_subscript): Compute the data dependences on symbolic
14824 scevs that verify can_use_analyze_subscript_affine_affine.
14825 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14826 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14827 Handle symbolic scevs.
14828 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14830 (subscript_dependence_tester): Moved...
14831 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14832 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14833 DDR_SIZE_VECT instead of getting it in parameter.
14834 (subscript_dependence_tester): ... here. Take as a parameter
14835 loop_nest_depth. Call build_classic_dist_vector and
14836 build_classic_dir_vector.
14837 (compute_affine_dependence): Update subscript_dependence_tester
14838 parameters. Update datadep_stats counters. Call
14839 compute_subscript_distance.
14840 (compute_self_dependence): Save the dist and dir vectors. Call
14841 compute_subscript_distance.
14842 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14843 (compute_all_dependences): Reorder parameters as they were before
14844 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14845 compute_subscript_distance. Update the use of
14846 compute_affine_dependence and initialize_data_dependence_relation.
14847 (find_data_references_in_loop): Handle COMPONENT_REF.
14848 (compute_data_dependences_for_loop): Initialize dependence_stats.
14849 Don't call build_classic_dist_vector and build_classic_dir_vector.
14850 Update the parameters of initialize_data_dependence_relation and
14851 compute_all_dependences. Print the statistics from datadep_stats.
14852 (analyze_all_data_dependences): Static. Not used until the pass for
14853 checking the data dependences is contributed.
14854 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14855 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14856 (initialize_data_dependence_relation, compute_affine_dependence,
14857 analyze_all_data_dependences, compute_subscript_distance): Removed.
14858 (print_direction_vector): New.
14859 * lambda.h (gcd): ... here.
14860 (lambda_vector_gcd): Moved here from gcd_vector.
14861 * lambda-code.c (gcd, gcd_vector): Removed.
14862 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14863 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14865 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14867 * ipa-type-escape.c: Tidy some comments and white space.
14868 * tree-ssa-operands.c: Likewise.
14870 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14873 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14874 (dump_decl_name): Do not walk the decl tree chains.
14875 * tree-pass.h (TDF_CHAIN): Remove.
14877 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14879 * Makefile.in (C): Remove
14881 (.PHONY): Remove C and PROTO
14883 2006-02-20 Roger Sayle <roger@eyesopen.com>
14885 PR middle-end/26236
14886 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14887 deprecated CHAR_TYPE tree code.
14889 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14891 * configure.ac (target_list): Add install-info, dvi, html.
14892 * configure: Regenerate.
14894 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14895 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14896 treelang/Make-lang.in: Do not use double-colon rules.
14898 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14900 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14901 (TMT_USED_ALONE): New macro.
14902 * tree-pass.h (PROP_tmt_usage): New property.
14903 (TODO_update_tmt_usage): New todo.
14904 * tree-ssa-alias.c (updating_used_alone): New variable.
14905 (recalculate_used_alone): New function.
14906 (compute_may_aliases): Set updating_used_alone, call
14907 recalculate_used_alone.
14908 * tree-sra.c (pass_sra): Note that this pass destroys
14909 PROP_tmt_usage, and add TODO_update_tmt_usage.
14910 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14911 * tree-flow.h (updating_used_alone): Prototype.
14912 (recalculate_used_alone): Ditto.
14913 * passes.c (execute_todo): Add code to set updating_used_alone,
14914 and call recalculate.
14915 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14916 for clobber if used alone, and add assert to verify used_alone
14919 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14921 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14922 for non tls symbols added.
14923 (legitimize_address): Do nothing for PLUS expressions if one of the
14924 addends is a tls symbol reference.
14926 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14930 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14932 * Makefile.in (BOOTSTRAPPING): New.
14933 (quickstrap): New definition if BOOTSTRAPPING=yes.
14935 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14936 * configure.ac: Substitute all_selected_languages with the languages
14937 that were configured. For all the other variables except
14938 lang_specs_files, include all the languages in the tree.
14939 * configure: Regenerate.
14941 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14942 if there is one. Run the commands to run fixincludes in the same
14945 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14946 * doc/install.texi: Document exact conventions for searching target tools.
14947 Document --with-build-time-tools. Document toplevel bootstrap. Document
14948 something more about building an Ada cross-compiler. Don't list GNU Make
14949 requirements which affect all platforms.
14951 2006-02-19 Roger Sayle <roger@eyesopen.com>
14953 PR middle-end/19543
14954 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14955 only equivalent if the have both the same mode and precision.
14957 2006-02-20 Ben Elliston <bje@au.ibm.com>
14959 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14961 2006-02-19 Roger Sayle <roger@eyesopen.com>
14962 Steven Bosscher <stevenb.gcc@gmail.com>
14964 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14965 constant pool references to identify stack mode constants.
14966 * rtlanal.c (constant_pool_constant_p): New predicate to check
14967 whether operand is a floating point constant in the pool.
14968 * rtl.h (constant_pool_constant_p): Prototype here.
14969 * loop.c (scan_loop): Avoid hoisting constants from the constant
14970 pool on STACK_REGS targets.
14971 (load_mems): Likewise.
14972 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14973 loads into x87 registers expensive in terms of register pressure.
14975 2006-02-19 Roger Sayle <roger@eyesopen.com>
14977 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14978 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14980 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14982 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14983 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14985 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14987 * doc/invoke.texi: Document -fipa-pta.
14988 * common.opt: Add ipa-pta option.
14989 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14990 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14991 (do_ds_constraint): Ditto.
14992 (get_constraint_for): Only add to referenced_vars if
14993 referenced_vars exists.
14994 (insert_into_field_list): Rewrite to do this unsorted.
14995 (insert_into_field_list_sorted): Rename old insert_into_field_list
14997 (create_function_info_for): Use insert_into_field_list_sorted.
14998 (create_variable_info_for): Rewrite so it uses unsorted version,
14999 since the field list is sorted.
15000 (intra_create_variable_infos): Only add to referenced_vars if
15001 referenced_vars exists.
15002 (ipa_pta_execute): Init heapvars, and delete when done.
15003 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15005 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15007 * doc/install.texi: Add missing `@samp'.
15009 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15011 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15014 2006-02-18 Mark Wielaard <mark@klomp.org>
15016 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15017 who added new 4.1 features, bug fixes and integration support.
15019 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15022 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15023 MEM for ABI_V4 pic.
15025 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15027 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15028 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15029 (copy_insn_1): Likewise. Don't copy each field individually.
15031 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15033 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15034 * rtl.c (rtx_size): Rename variable to...
15035 (rtx_code_size): ...this.
15036 (rtx_size): New function.
15037 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15038 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15040 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15041 * rtl.h (rtx_code_size): New variable.
15042 (rtx_size): Change from a variable to a function.
15043 (RTX_SIZE): Rename to...
15044 (RTX_CODE_SIZE): ...this.
15047 PR tree-optimization/17106
15048 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15049 (Anchored Addresses): New section.
15050 * doc/invoke.texi (-fsection-anchors): Document.
15051 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15052 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15053 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15054 * hooks.c (hook_bool_mode_rtx_false): New function.
15055 * hooks.h (hook_bool_mode_rtx_false): Declare.
15056 * gengtype.c (create_optional_field): New function.
15057 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15058 SYMBOL_REF_IN_BLOCK_P is true.
15059 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15060 (min_anchor_offset, max_anchor_offset): Likewise.
15061 (use_anchors_for_symbol_p): New hook.
15062 * toplev.c (compile_file): Call output_object_blocks.
15063 (target_supports_section_anchors_p): New function.
15064 (process_options): Check that -fsection-anchors is only used on
15065 targets that support it and when -funit-at-a-time is in effect.
15066 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15067 if the decl doesn't have one.
15068 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15069 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15070 of force_const_mem through use_anchored_address.
15071 (expand_expr_constant): New function.
15072 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15073 calling expand_expr for INDIRECT_REF.
15074 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15075 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15076 * expr.h (use_anchored_address): Declare.
15077 * loop-unroll.c: Don't declare rtx vectors here.
15078 * explow.c: Include output.h.
15079 (validize_mem): Call use_anchored_address.
15080 (use_anchored_address): New function.
15081 * common.opt (-fsection-anchors): New switch.
15082 * varasm.c (object_block_htab, anchor_labelno): New variables.
15083 (hash_section, object_block_entry_eq, object_block_entry_hash)
15084 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15085 (use_blocks_for_decl_p, change_symbol_section): New functions.
15086 (get_variable_section): New function, split out from assemble_variable.
15087 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15088 use_blocks_for_decl_p say so. Use change_symbol_section if the
15089 symbol has already been created.
15090 (assemble_variable_contents): New function, split out from...
15091 (assemble_variable): ...here. Don't output any code for
15092 block symbols; just pass them to place_block_symbol.
15093 Use get_variable_section and assemble_variable_contents.
15094 (get_constant_alignment, get_constant_section, get_constant_size): New
15095 functions, split from output_constant_def_contents.
15096 (build_constant_desc): Create a block symbol if use_object_blocks_p
15097 says so. Or into SYMBOL_REF_FLAGS.
15098 (assemble_constant_contents): New function, split from...
15099 (output_constant_def_contents): ...here. Don't output any code
15100 for block symbols; just pass them to place_section_symbol.
15101 Use get_constant_section and get_constant_alignment.
15102 (force_const_mem): Create a block symbol if use_object_blocks_p and
15103 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15104 (output_constant_pool_1): Add an explicit alignment argument.
15105 Don't switch sections here.
15106 (output_constant_pool): Adjust call to output_constant_pool_1.
15107 Switch sections here instead. Don't output anything for block symbols;
15108 just pass them to place_block_symbol.
15109 (init_varasm_once): Initialize object_block_htab.
15110 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15111 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15112 (place_block_symbol, get_section_anchor, output_object_block)
15113 (output_object_block_htab, output_object_blocks): New functions.
15114 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15115 (TARGET_ASM_OUT): Include it.
15116 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15117 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15118 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15119 (TARGET_INITIALIZER): Include them.
15120 * rtl.c (rtl_check_failed_block_symbol): New function.
15121 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15122 (block_symbol, object_block): New structures.
15123 (rtx_def): Add a block_symbol field to the union.
15124 (BLOCK_SYMBOL_CHECK): New macro.
15125 (rtl_check_failed_block_symbol): Declare.
15126 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15127 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15128 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15129 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15130 * output.h (output_section_symbols): Declare.
15131 (object_block): Name structure.
15132 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15133 (default_use_anchors_for_symbol_p): Declare.
15134 * Makefile.in (RTL_BASE_H): Add vec.h.
15135 (explow.o): Depend on output.h.
15136 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15137 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15138 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15139 (rs6000_use_blocks_for_constant_p): New function.
15141 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15143 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15145 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15148 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15151 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15153 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15157 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15159 PR middle-end/26334
15160 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15161 instead of DECL_REGISTER.
15163 2006-02-18 Olivier Hainque <hainque@adacore.com>
15166 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15168 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15171 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15172 * opth-gen.awk: Handle Var and InverseMask together.
15173 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15174 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15175 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15176 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15178 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15179 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15180 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15181 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15182 LINUX_DYNAMIC_LINKER): Define.
15183 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15184 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15186 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15187 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15188 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15189 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15190 (TARGET_C99_FUNCTIONS): Don't define.
15191 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15192 GLIBC_DYNAMIC_LINKER.
15193 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15194 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15195 GLIBC_DYNAMIC_LINKER64): Define.
15196 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15197 LINUX_DYNAMIC_LINKER64.
15198 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15199 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15200 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15201 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15202 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15203 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15204 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15205 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15206 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15207 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15208 and LINUX_DYNAMIC_LINKER32.
15209 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15210 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15211 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15212 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15213 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15215 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15216 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15217 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15218 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15219 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15220 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15221 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15222 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15223 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15224 LINUX_DYNAMIC_LINKER): Define.
15225 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15226 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15227 GLIBC_DYNAMIC_LINKER64): Define.
15228 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15229 LINUX_DYNAMIC_LINKER64.
15230 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15231 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15232 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15233 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15234 LINUX_DYNAMIC_LINKER): Define.
15235 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15236 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15237 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15238 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15239 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15240 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15241 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15242 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15243 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15244 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15245 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15246 * doc/invoke.texi (-muclibc): Remove caveat about supported
15249 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15251 * doc/cpp.texi (__TIMESTAMP__): Document.
15253 2006-02-17 Roger Sayle <roger@eyesopen.com>
15255 PR middle-end/25600
15256 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15257 C is one less than the width of X (and related transformations).
15258 * simplify-rtx.c (simplify_unary_operation_1): Transform
15259 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15260 depending on STORE_FLAG_VALUE, were C is one less then the
15263 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15265 Fix PR tree-optimization/26341
15266 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15267 about NAME_MEMORY_TAG's.
15269 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15272 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15273 with hardware float support, and software float support. Add fcpy
15274 alternative to hardware patterns. Add alternatives to copy between
15275 general and floating-point registers to the 32-bit pattern.
15276 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15277 secondary reload to load a QI or HI mode constant into a floating
15279 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15280 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15282 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15285 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15287 (load_macho_picbase_di): Likewise.
15289 2006-02-16 Jeff Law <law@redhat.com>
15291 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15292 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15293 (ssa_name_nonzero_p): Likewise.
15294 (get_value_range): Return NULL if VRP is not running.
15295 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15296 VRP routines do not discover a range.
15297 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15298 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15299 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15300 (tree_expr_nonnegative_p): Similarly.
15301 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15302 (restore_nonzero_vars_to_original_value): Remove.
15303 (unsafe_associative_fp_binop): Remove.
15304 (tree_ssa_dominator_optimize): Remove initialization and
15305 finalization of nonzero_vars and nonzero_vars_stack.
15306 (dom_opt_initialize_block): No longer push marker on
15307 nonzero_vars_stack.
15308 (dom_opt_finalize_block): No longer call
15309 restore_nonzero_vars_to_original_value.
15310 (record_equivalences_from_phis): No longer look for
15311 nonzero PHI arguments.
15312 (cprop_into_successor_phis): No longer propagate nonzero
15313 property into PHI arguments. Lose unused argument. Caller
15315 (record_equivalences_from_stmt): No longer record nonzero
15316 values for SSA_NAMEs.
15317 (lookup_avail_expr): No longer use nonzero_vars.
15319 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15320 for sizetype when sizetype is unsigned.
15322 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15324 PR rtl-optimization/25603
15325 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15326 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15327 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15328 with new meaning of SETS.
15330 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15335 * config/linux.opt: New file.
15336 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15337 LINUX_DYNAMIC_LINKER): Define.
15338 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15339 * config.gcc (*-*-linux*): Define extra_options.
15340 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15341 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15342 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15343 GLIBC_DYNAMIC_LINKER.
15344 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15345 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15346 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15347 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15348 * doc/invoke.texi (GNU/Linux Options): New section.
15350 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15352 * config/sparc/sparc.md (setjmp): Rewrite.
15353 (setjmp_32): Delete.
15354 (setjmp_64): Likewise.
15356 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15358 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15361 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15363 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15366 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15368 PR rtl-optimization/26296
15369 * Makefile.in (loop-invariant.c): Add except.h dependency.
15370 * loop-invariant.c: Include except.h.
15371 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15373 2005-02-16 Paul Brook <paul@codesourcery.com>
15375 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15378 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15380 PR rtl-optimization/25636
15381 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15382 when deciding whether an insn is an initializing insn.
15384 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15386 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15387 (tree_code_size): Ditto.
15388 * tree.h (struct tree_memory_tag): Remove parent_var.
15389 (struct tree_struct_field_tag): New.
15392 (union tree_node): Add sft member.
15393 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15395 (create_sft): Add size and offset argument, set SFT_OFFSET and
15397 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15398 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15399 * tree-flow-inline.h (get_subvar_at): Update for
15400 SFT_OFFSET/SFT_SIZE.
15401 (var_can_have_subvars): Ditto.
15402 (overlap_subvar): Ditto.
15403 * print-tree.c (print_node): Print out interesting things for
15405 * tree-flow.h (struct subvar): Remove offset and size members.
15406 * tree-ssa-operands.c (get_expr_operands): Update for
15407 get_indirect_ref_operands changes.
15408 (get_indirect_ref_operands): Call add_virtual_operand instead of
15409 add_stmt_operand. Only recurse on base var if requested.
15410 (access_can_touch_variable): New function.
15411 (add_stmt_operand): Split virtual operand handling into ...
15412 (add_virtual_operand): Here. Add offset, size, and for_clobber
15413 arguments. Prune alias sets.
15414 (add_call_clobber_ops): Call add_virtual_operand.
15416 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15418 PR middle-end/26300
15419 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15421 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15422 than TREE_CODE as index into omp_clause_num_ops array.
15424 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15426 PR rtl-optimization/26184
15427 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15429 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15430 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15431 must_precede, must_follow and tobe_scheduled.
15434 * opts.c (common_handle_option): Free new_option pointer.
15435 * df-core.c (df_analyze): Free postorder pointer.
15437 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15439 * Makefile.in: Fix the examples about the use of stamps
15441 2006-02-15 Michael Matz <matz@suse.de>
15443 PR middle-end/22275
15445 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15446 influenced by maximum_field_alignment or DECL_PACKED.
15447 (update_alignment_for_field): Ditto.
15448 (place_field): Ditto.
15449 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15452 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15454 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15455 (debug_flow_info): Pass it.
15456 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15457 * bb-reorder.c (reorder_basic_blocks): Likewise.
15458 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15459 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15460 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15461 * gcse.c (gcse_main, bypass_jumps): Likewise.
15462 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15463 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15464 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15465 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15466 * rtl.h (dump_flow_info): Adjust prototype.
15467 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15468 * var-tracking.c (variable_tracking_main): Likewise.
15469 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15470 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15473 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15475 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15478 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15480 PR tree-optimization/26209
15481 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15482 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15484 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15486 2006-02-14 Roger Sayle <roger@eyesopen.com>
15488 PR middle-end/23670
15489 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15490 (X,Y) and the corresponding symmetry related transformations.
15491 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15492 (X,Y) and its symmetry related transformations.
15494 2006-02-14 Roger Sayle <roger@eyesopen.com>
15496 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15499 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15501 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15503 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15506 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15507 support COMDAT group.
15508 * configure: Regenerate.
15510 2006-02-14 Roger Sayle <roger@eyesopen.com>
15512 PR middle-end/26279
15513 PR middle-end/26280
15514 PR middle-end/26283
15515 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15517 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15519 Fix PR tree-optimization/26260
15521 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15523 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15524 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15525 * tree-ssa-structalias.c (create_variable_info_for): Use
15526 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15528 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15530 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15532 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15533 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15534 of the ending condition.
15535 * tree-ssa-loop-manip.c: Include params.h.
15536 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15537 tree_unroll_loop): New functions.
15538 * tree-pass.h (pass_loop_prefetch): Declare.
15539 * loop.c (rest_of_handle_loop_optimize): Test for
15540 -fprefetch-loop-arrays-rtl.
15541 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15542 * timevar.def (TV_TREE_PREFETCH): New timevar.
15543 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15544 pass_loop_prefetch): New.
15545 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15546 (cleanup_tree_cfg_loop): Call scev_reset.
15547 * common.opt (fprefetch-loop-arrays-rtl): Add.
15548 * tree-ssa-loop-prefetch.c: New file.
15549 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15550 (new_temp_expr_table): Initialize expr_vars.
15551 (free_temp_expr_table): Cleanup expr_vars.
15552 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15553 expressions from being merged into one.
15554 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15555 (struct tree_niter_desc): Add control, bound and cmp fields.
15556 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15558 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15559 (tree-cfgcleanup.o): Add SCEV_H dependency.
15560 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15561 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15563 2006-02-14 Richard Guenther <rguenther@suse.de>
15565 PR tree-optimization/26258
15566 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15567 in PHI argument processing.
15569 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15571 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15572 new expression in the requested machine mode.
15574 2006-02-13 Roger Sayle <roger@eyesopen.com>
15576 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15577 directly, instead let do_compare_rtx_and_jump handle this for us.
15578 * expr.c (expand_expr_real_1): Likewise.
15579 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15580 before do_jump_by_parts_greater.
15581 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15582 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15584 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15586 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15588 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15590 PR rtl-optimization/26235
15591 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15592 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15595 2006-02-13 Jeff Law <law@redhat.com>
15597 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15600 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15602 PR middle-end/26092
15603 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15604 twice if decl is a builtin. When trying again, call get_callee_fndecl
15605 first to verify it is still a builtin.
15607 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15609 * dwarf2out.c (base_type_die): Don't add AT_name here.
15610 (subrange_type_die): Don't add AT_name here.
15611 (modified_type_die): Rearrange code flow. Do add AT_name here.
15613 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15615 PR rtl-optimization/26247
15616 PR rtl-optimization/26248
15617 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15619 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15621 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15622 * config/fixtfdi.c: Likewise.
15623 * config/fixunstfdi.c: Likewise.
15624 * config/floatditf.c: Likewise.
15626 2006-02-13 Roger Sayle <roger@eyesopen.com>
15628 PR middle-end/24427
15629 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15630 into (X,C2) if C1 is a subset of the bits of C2. Transform
15631 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15633 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15635 2006-02-13 Josh Conner <jconner@apple.com>
15638 * varasm.c (function_section): Check for section name before
15639 calling select_section on targets that define
15640 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15641 unlikely_text_section instead of hot_function_section if
15642 first_function_block_is_cold.
15644 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15646 PR middle-end/25335
15647 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15649 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15651 PR rtl-optimization/26222
15652 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15653 after tree->rtl expansion.
15654 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15655 before passing it to emit_move_insn.
15657 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15659 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15661 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15662 Clarify documentation.
15663 * c-common.h (warn_write_strings): Remove.
15664 * c-common.c (warn_write_strings): Likewise.
15665 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15668 2006-02-12 Roger Sayle <roger@eyesopen.com>
15670 PR middle-end/25724
15671 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15672 (do_jump_parts_zero_rtx): New function renamed from
15673 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15674 (do_jump_parts_equality_rtx): New function split out from
15675 do_jump_parts_equality. Old implementation renamed as above.
15676 Call do_jump_parts_zero_rtx if either operand is zero.
15677 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15678 do all of the heavy lifting.
15679 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15680 calling either do_jump_by_parts_greater_rtx or
15681 do_jump_by_parts_equality_rtx.
15682 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15683 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15684 moved to do_compare_rtx_and_jump, call it directly.
15685 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15686 mode argument. Call do_compare_rtx_and_jump.
15687 (emit_case_nodes): Update calls to do_jump_if_equal.
15689 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15691 PR rtl-optimization/26225
15692 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15694 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15696 PR rtl-optimization/26232
15697 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15699 2006-02-11 Jason Merrill <jason@redhat.com>
15702 * tree-inline.c (declare_return_variable): Just don't use the
15703 modify target if it's a gimple complex reg and the return slot
15706 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15708 * doc/contrib.texi: Update my entry.
15710 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15712 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15714 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15716 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15719 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15721 * doc/invoke.texi (-floop-optimize2): Removed.
15722 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15723 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15724 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15725 * common.opt (floop-optimize2): Removed.
15726 (fmove-loop-invariants): Enabled by default.
15728 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15730 * tree-if-conv.c (combine_blocks): Free the result of
15731 get_loop_exit_edges.
15733 2006-02-10 Jeff Law <law@redhat.com>
15735 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15737 PR tree-optimization/26213
15738 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15739 loop trying to follow SSA_NAME_VALUE chains.
15741 2006-02-10 Richard Guenther <rguenther@suse.de>
15743 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15744 deal with structures that end in implicitly variable sized arrays.
15746 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15748 PR rtl-optimization/24762
15749 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15752 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15754 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15755 (struct ivopts_data): Add regs_used field.
15756 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15757 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15758 instead of loop_data->regs_used;
15759 (free_loop_data): Do not free aux fields for loops.
15760 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15761 and tree_ssa_iv_optimize_finalize.
15763 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15765 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15767 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15770 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15771 computing the effective result type.
15773 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15775 PR inline-asm/16194
15776 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15777 (tree_overlaps_hard_reg_set): Declare.
15778 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15779 type and signature to match function type expected by walk_tree.
15780 (tree_overlaps_hard_reg_set): New function.
15781 (decl_conflicts_with_clobbers_p): Rename to:
15782 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15783 Use tree_overlaps_hard_reg_set. Changed caller.
15784 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15785 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15786 * cris.c (cris_md_asm_clobbers): Likewise.
15788 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15790 * reload1.c (emit_input_reload_insns): Delete code that tries to
15791 inherit using find_equiv_reg.
15793 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15795 * c-common.h (flag_const_strings): Don't declare.
15796 * c-common.c (flag_const_strings): Remove.
15797 * c.opt (fconst_strings): Remove.
15798 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15799 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15800 (c_common_init_options): Don't set flag_const_strings.
15801 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15803 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15805 * arm.md (tlobits_cbranch): New pattern.
15806 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15807 testing a single bit.
15809 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15812 * tree-ssa-pre.c (create_component_ref_by_pieces):
15813 Handle RETURN_DECL like VAR_DECL.
15815 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15817 PR middle-end/26134
15818 * fold-const.c (fold_indirect_ref_1): Fold
15819 "*(foo *)&complexfoo" to "__real__ complexfoo"
15820 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15822 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15824 * tree-flow-inline.h (var_can_have_subvars):
15825 Volatile variables should not have subvariables.
15827 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15830 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15831 multiplying unsigned values.
15834 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15836 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15838 2006-02-08 Jason Merrill <jason@redhat.com>
15841 * tree.def: Elaborate on difference from MODIFY_EXPR.
15842 * doc/c-tree.texi (INIT_EXPR): Likewise.
15843 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15844 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15845 (gimplify_target_expr): Likewise.
15846 (gimplify_cond_expr): Remove target handling.
15847 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15848 (gimplify_expr): Clobber it here.
15849 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15850 Do return slot optimization if we have an INIT_EXPR.
15853 * tree-inline.c (declare_return_variable): Also clear
15854 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15857 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15859 PR middle-end/22439
15860 * gimplify.c (gimplify_one_sizepos): Fix typo.
15862 2006-02-08 Jeff Law <law@redhat.com>
15864 PR tree-optimization/21417
15865 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15866 across a backedge if the control statement at the end of the
15867 block is data dependent on other statements in the same block.
15868 (record_temporary_equivalences_from_stmts): Remove over-conservative
15869 test for threading across backedges.
15871 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15872 control statement, handle all three special cases in the same
15873 manner as they all have the same desired solution. No longer
15874 special case edge flag updating when the post dominator is
15877 2006-02-08 Roger Sayle <roger@eyesopen.com>
15879 * tree.def (CHAR_TYPE): Remove.
15880 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15881 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15882 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15883 (gen_string_type_die): Delete unreachable function.
15885 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15886 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15887 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15888 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15889 * builtins.c (type_to_class): Likewise.
15890 * fold-const.c (fold_convert, build_range_check,
15891 merge_ranges): Likewise.
15892 * expr.c (count_type_elements): Likewise.
15893 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15894 * stor-layout.c (layout_type): Likewise.
15895 * ipa-type-escape.c (type_to_consider): Likewise.
15896 * gimplify.c (omp_firstprivatize_type_sizes,
15897 gimplify_type_sizes): Likewise.
15898 * explow.c (promote_mode): Likewise.
15899 * tree-sra.c (is_sra_scalar_type): Likewise.
15900 * varasm.c (output_constant): Likewise.
15901 * tree-inline.c (remap_type_1): Likewise.
15902 * convert.c (convert_to_pointer, convert_to_real,
15903 convert_to_integer, convert_to_complex): Likewise.
15905 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15907 * df-scan.c (df_def_record_1): A set destination may
15908 be a parallel regardless of mode.
15910 2006-02-08 Roger Sayle <roger@eyesopen.com>
15913 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15914 * config/mips/_tilib.c: Remove.
15915 * config/fixtfdi.c: New libgcc source file.
15916 * config/fixunstfdi.c: New source file.
15917 * config/floatditf.c: New source file.
15918 * config/floatunditf.c: New souce file.
15919 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15920 files above instead of config/mips/_tilib.c.
15921 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15923 2006-02-08 Jeff Law <law@redhat.com>
15925 PR tree-optimization/26169
15926 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15929 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15931 * df.h (DF_REG_SIZE): Return the length of the initialized
15934 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15936 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15937 __muldf3): Return a correctly signed zero.
15939 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15941 * passes.c (register_one_dump_file): Accept the current properties
15942 instead of pass number. Adjust call to dump_register. Remove
15944 (register_dump_files): Now a wrapper around...
15945 (register_dump_files_1): ... this one. Do not modify the pass
15947 (next_pass_1): Cosmetic fix.
15948 (execute_todo): Keep second parameter only. Use curr_properties
15949 instead of fetching it from the pass structure. Check and set
15951 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15952 instead of fetching it from the pass structure. Fix calls to
15953 execute_todo. Update curr_properties and initialize .vcg RTL dump
15954 after running the pass. Reset last_verified.
15955 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15957 (FIRST_AUTO_NUMBERED_DUMP): New.
15958 (dump_register): Remove "num" parameter, assign it within the
15960 (get_dump_file_name): Modify template for dumps.
15961 * tree-dump.h (dump_register): Adjust prototype.
15962 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15963 (PROP_trees): Add PROP_gimple_lomp.
15964 (TODO_set_props): New.
15965 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15966 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15967 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15969 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15971 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15972 (sparc64-*-linux*): Likewise.
15973 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15974 * config/sparc/t-linux: New file.
15975 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15976 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15977 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15978 -m32 -mlong-double-128.
15980 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15981 * config/alpha/t-linux: New file.
15982 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15984 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15985 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15986 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15987 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15988 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15989 (CPP_ARCH32_SPEC): Remove.
15991 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15993 PR tree-optimization/26145
15994 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15997 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16000 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
16001 >= 240000 when generating code for SOM runtime.
16002 (output_indirect_call): Don't use "b,l" instruction for indirect calls
16003 to $$dyncall when generating code for SOM runtime..
16005 2006-02-07 Dirk Mueller <dmueller@suse.com>
16008 * doc/invoke.texi (-Wsequence-point): Update documentation
16009 that -Wsequence-point is implemented for C++ as well.
16011 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16013 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16014 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16015 (LIB_SPEC): Likewise.
16016 * doc/invoke.texi (SPARC options): Document -pthread.
16018 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16020 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16023 2006-02-07 Roger Sayle <roger@eyesopen.com>
16025 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16026 Correct comment describing BOOLEAN_TYPE.
16028 2006-02-07 Dirk Mueller <dmueller@suse.com>
16030 * c.opt: C++ frontend supports -Wdiv-by-zero.
16031 * c-opts.c (c_common_handle_option): Remove dead case.
16033 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16035 * configure.ac (TLS assembler check): Do not enable TLS by
16036 default on SPARC/Solaris before version 10.
16037 * configure: Regenerate.
16039 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16041 * doc/invoke.texi (xl-compat): Document conversion and support
16044 2006-02-07 Jeff Law <law@redhat.com>
16046 * tree-vrp.c (find_conditional_asserts): Update comments.
16047 (simplify_stmt_for_jump_threading): New.
16048 (identify_jump_threads, finalize_jump_threads): New.
16049 (vrp_finalize): Call identify_jump_threads.
16050 (execute_vrp): Call finalize_jump_threads.
16051 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16052 (vrp_element, vrp_data, vrp_element_p): Remove.
16053 (vrp_hash_elt, vrp_variables_stack): Remove.
16054 (vrp_hash, vrp_eq, record_range): Remove.
16055 (simplify_cond_and_lookup_avail_expr): Remove.
16056 (extract_range_from_cond): Remove.
16057 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16058 (simplify_stmt_for_jump_threading): New.
16059 (dom_thread_across_edge): New wrapper.
16060 (tree_ssa_dominator_optimize): No longer initialize or
16061 finalize any of the VRP datastructures. Remove iteration
16062 step and simplify as a result of removal of iteration step.
16063 (pass_dominator): Perform a cfg cleanup after DOM.
16064 (dom_opt_finalize_block): Use the new common routines
16065 for threading jumps. Simplify stack management slightly.
16066 No longer need to unwind VRP state.
16067 (record_equivalences_from_incoming_edge): No longer record
16069 (eliminate_redundant_computations): No longer call
16070 simplify_cond_and_lookup_avail_expr.
16071 * tree-flow.h (potentially_threadable_block): Prototype.
16072 (thread_across_edge): Likewise.
16073 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16074 (tree-ssa-threadedge.o): Add dependencies.
16075 * tree-ssa-threadedge.c: New file.
16076 * passes.c (init_optimization_passes): Merge PHIs before
16077 calling VRP. Run VRP again late in the SSA optimization pipeline.
16079 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16081 * df-core.c (df_set_blocks): Do not dereference function pointers.
16082 (df_finish1): Likewise.
16083 (df_hybrid_search_forward): Likewise.
16084 (df_hybrid_search_backward): Likewise.
16085 (df_iterative_dataflow): Likewise.
16086 (df_analyze_problem): Likewise.
16087 (df_compact_blocks): Likewise.
16088 (df_dump): Likewise.
16089 * df-scan.c (df_rescan_blocks): Likewise.
16090 (df_record_entry_block_defs): Likewise.
16092 * genconditions.c (write_conditions): Guard the definition of
16093 'insn_conditions' with the check on GCC version.
16094 (write_writer): Guard the traversal 'insn_conditions' with
16095 the check on GCC version.
16097 2006-02-07 Richard Guenther <rguenther@suse.de>
16101 2006-01-30 Richard Guenther <rguenther@suse.de>
16103 * gimplify.c (gimplify_target_expr): Handle easy cases
16104 without creating a temporary.
16106 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16108 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16109 use of float in probability computations. Use edge probabilities
16110 in place of statically computed probabilities.
16111 (min_spec_prob): New static variable.
16112 (schedule_insns): Initialize it.
16113 (GET_SRC_PROB): Removed.
16114 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16116 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16119 * config/ia64/unwind-ia64.c: Revert last change.
16120 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16121 (INCOMING_FRAME_SP_OFFSET): Define.
16123 2006-02-06 Roger Sayle <roger@eyesopen.com>
16125 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16127 2006-02-07 Ben Elliston <bje@au.ibm.com>
16129 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16130 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16131 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16132 (ix86_return_in_memory): Handle TDmode.
16133 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16134 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16136 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16138 * reorg.c (dbr_schedule): Use dump_file instead of file.
16140 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16143 * config/ia64/predicates.md (extr_len_operand): New predicate.
16144 * config/ia64/ia64.md (extv): Tighten constraints.
16146 (*tbit_and_2): Ditto.
16147 (*tbit_and_3): Ditto.
16148 (*tbit_or_2): Ditto.
16149 (*tbit_or_3): Ditto.
16150 (*bit_zero): Ditto.
16153 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16156 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16158 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16160 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16161 loop_optimizer_init and loop_optimizer_finalize
16162 * tree-ssa-sink.c (execute_sink_code): Ditto.
16163 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16164 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16165 tree_ssa_loop_done): Ditto.
16166 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16167 * sched-ebb.c: Include output.h.
16168 (schedule_ebbs): Do not use dump argument.
16169 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16170 * loop.c (loop_dump_stream): Removed.
16171 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16173 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16174 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16175 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16176 loop_iterations, strength_reduce, record_biv, record_giv,
16177 final_giv_value, check_final_value, check_ext_dependent_givs,
16178 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16179 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16180 dump_file instead of loop_dump_stream.
16181 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16182 argument dump_file.
16183 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16185 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16186 * haifa-sched.c: Include output.h
16187 (schedule_insns, sched_init): Do not use dump argument.
16188 * mode-switching.c (optimize_mode_switching): Ditto.
16189 * modulo-sched.c (stats_file): Removed.
16190 (print_node_sched_params): Do not call argument dump_file.
16191 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16192 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16194 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16196 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16197 rtl_loop_init, rtl_loop_done): Ditto.
16198 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16199 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16201 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16202 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16203 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16204 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16205 * emit-rtl.c (renumber_insns): Ditto.
16206 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16207 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16208 * regclass.c (regclass): Ditto.
16209 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16210 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16211 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16212 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16214 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16215 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16217 * gcse.c (gcse_file, debug_stderr): Removed.
16218 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16219 rest_of_handle_gcse): Do not use dump argument.
16220 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16221 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16222 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16223 compute_code_hoist_vbeinout, compute_code_hoist_data,
16224 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16225 compute_store_table, build_store_vectors, insert_insn_start_bb,
16226 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16227 store_motion): Use dump_file instead of gcse_file.
16228 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16229 * profile.c (profile_dump_file): Removed.
16230 (branch_prob): Use dump_file instead of profile_dump_file.
16231 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16233 * tree-ssa-copy.c (dump_copy_of): Ditto.
16234 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16235 dump file to life_analysis.
16236 * bt-load.c (branch_target_load_optimize): Ditto.
16237 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16239 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16240 regclass, dbr_schedule): Declaration changed.
16241 * sched-int.h (sched_init): Declaration changed.
16242 * tree-profile.c (tree_profile_dump_file): Removed.
16243 (tree_profile_hooks): Removed profile_dump_file hook.
16244 * rtl-profile (rtl_profile_dump_file): Removed.
16245 (rtl_profile_hooks): emoved profile_dump_file hook.
16246 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16248 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16249 * tree-cfg.c (build_tree_cfg): Ditto.
16250 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16251 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16252 Declaration changed.
16253 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16254 life_analysis and schedule_insns.
16255 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16257 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16259 * config/mips/mips.c (mips_reorg): Ditto.
16260 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16263 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16265 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16266 (s390_mangle_fundamental_type): New.
16267 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16270 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16271 (alpha_mangle_fundamental_type): New.
16272 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16275 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16277 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16279 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16280 (sparc_mangle_fundamental_type): New.
16282 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16284 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16285 (s390x-*-linux*): Likewise.
16286 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16287 * config/s390/t-linux: New file.
16289 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16291 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16292 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16294 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16296 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16297 (ANTIC_SAFE_LOADS): New macro.
16298 (find_or_generate_expression): Add prototype.
16299 (set_contains_value): Allow null set for sake of not always having
16300 to allocate ANTIC_SAFE_LOADS.
16301 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16302 Allow COMPONENT_REF too.
16303 (valid_in_set): Allow COMPONENT_REF.
16304 Check ANTIC_SAFE_LOADS too.
16305 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16306 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16308 (can_PRE_operation): Add COMPONENT_REF.
16309 (create_component_ref_by_pieces): New function.
16310 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16311 (insert_aux): Move AGGREGATE_TYPE_P check here.
16312 (compute_avail): Set bb local stmt uids.
16313 (pass_pre): Use TODO_update_ssa_only_virtuals.
16315 2006-02-06 Ben Elliston <bje@au.ibm.com>
16317 * configure.ac: Unconditionally disable decimal float by default.
16318 * configure: Regenerate.
16320 2006-02-06 Ben Elliston <bje@au.ibm.com>
16322 * read-rtl.c (read_name): Terminate reading on EOF.
16324 2006-02-06 Ben Elliston <bje@au.ibm.com>
16326 * dfp.c (decimal_real_arithmetic): Change second argument type
16327 from int to enum tree_code. Do not always return true, but now
16328 return result of any call to decimal_do helper functions.
16329 * dfp.h (decimal_real_arithmetic): Update prototype.
16331 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16333 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16335 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16338 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16341 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16343 * tree-vrp.c (cfg_loops): Removed.
16344 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16345 Use current_loops instead of cfg_loops. Pass flags to
16346 loop_optimizer_init.
16347 * cfgloopmanip.c (fix_loop_structure): Update only available
16349 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16350 loop_optimizer_init.
16351 * modulo-sched.c (build_loops_structure): Removed.
16352 (sms_schedule): Use loop_optimizer_init.
16353 * loop-init.c (loop_optimizer_init): Use flags to determine
16354 which properties of loops to prepare.
16355 (rtl_loop_init): Pass flags to loop_optimizer_init.
16356 * tree-ssa-sink.c (execute_sink_code): Ditto.
16357 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16358 * tree-ssa-pre.c (init_pre): Ditto.
16359 * cfgloop.h (LOOPS_NORMAL): New.
16360 (loop_optimizer_init): Declaration changed.
16362 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16364 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16365 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16367 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16369 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16371 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16372 * pa/t-pa64: Delete quadlib.c rule.
16373 * pa/x-ada: Revert last change.
16374 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16376 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16378 PR rtl-optimization/26087
16379 * rtlanal.c (canonicalize_condition): Do not cross basic block
16382 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16385 * config/ia64/ia64.c: Include debug.h.
16386 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16387 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16388 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16389 (process_epilogue, process_set, process_for_unwind_directive):
16390 Output unwind info only if requested. Add CFA info if requested.
16391 Add new arguments as needed. Adjust callers.
16392 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16394 (DWARF2_FRAME_INFO): Define to zero.
16395 * config/ia64/unwind-ia64.c: Remove code that compensated for
16396 the CFA offset error fixed above.
16397 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16398 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16399 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16400 -funwind-tables and -fexceptions to enable frame info.
16401 (dwarf2out_frame_init): Define initial CFA even if
16402 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16403 DWARF2_UNWIND_INFO is nonzero, not just defined.
16404 (dwarf2out_frame_finish): Output non-EH call frame info only
16405 if DWARF2_FRAME_INFO is nonzero.
16406 (convert_cfa_to_loc_list,
16407 compute_frame_pointer_to_cfa_displacement): Define even if
16408 unwind info is not supported.
16409 (gen_subprogram_die): Use the above unconditionally. Remove
16410 legacy alternate code.
16411 * toplev.c (compile_file): Compile in call to
16412 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16413 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16415 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16416 Jakub Jelinek <jakub@redhat.com>
16418 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16419 IBM extended float format long double as "g" on powerpc*-linux.
16421 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16424 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16425 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16427 2006-02-03 Jason Merrill <jason@redhat.com>
16430 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16432 PR middle-end/25977
16433 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16434 on the return slot if it's an NRV.
16436 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16438 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16439 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16440 rewrite_use): Do not handle USE_OUTER.
16441 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16442 add_iv_outer_candidates, may_replace_final_value,
16443 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16444 (find_interesting_uses_op): Functionality of
16445 find_interesting_uses_outer_or_nonlin moved here.
16446 (find_interesting_uses_outside): Use find_interesting_uses_op.
16448 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16451 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16453 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16454 Ulrich Weigand <uweigand@de.ibm.com>
16457 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16458 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16459 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16460 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16462 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16463 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16464 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16465 Define secondary reloads for TFmode moves.
16466 (constant_modes): Add TFmode.
16467 (NR_C_MODES): Set to 8.
16468 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16470 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16471 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16472 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16473 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16474 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16475 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16476 (FPR mode macro): Add TFmode.
16477 (DSF mode macro): New.
16478 (<de>, <dee> mode attributes): Removed.
16479 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16480 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16481 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16482 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16483 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16484 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16485 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16486 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16487 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16488 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16489 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16490 "*negabs<mode>2", "sqrt<mode>2"):
16491 Changed <de> to <xde>. R constraint replaced by <Rf>.
16492 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16494 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16495 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16496 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16498 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16499 "extenddftf2", "extendsftf2"): New expanders.
16500 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16501 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16502 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16503 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16505 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16506 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16507 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16508 __floatditf): Add a GCC_4.1.0 symbol version tag.
16509 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16512 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16515 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16516 Use targetm.binds_local_p instead of TREE_PUBLIC.
16518 2006-02-02 Roger Sayle <roger@eyesopen.com>
16520 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16521 on INTEGER_TYPEs to indicate that it denotes a character type.
16522 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16523 signed_char_type_node, unsigned_char_type_node and char_type_node.
16524 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16525 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16526 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16528 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16529 Daniel Berlin <dberlin@dberlin.org>
16531 * tree-tailcall.c (arg_needs_copy_p): New function.
16532 (eliminate_tail_call): Use arg_needs_copy_p.
16533 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16534 (add_virtual_phis): New function.
16536 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16538 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16539 #ignore instead of #scratch for %g7 .register directive.
16541 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16543 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16546 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16548 * flow.c (calculate_global_regs_live): Assert that there aren't any
16551 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16553 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16554 what its name says.
16555 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16556 bsi_after_labels iterator.
16557 * tree-if-conv.c (find_phi_replacement_condition,
16558 replace_phi_with_cond_modify_expr): Likewise.
16559 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16560 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16562 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16564 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16566 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16569 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16570 array after growing it.
16572 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16574 PR middle-end/24901
16575 * fold-const.c (fold_checksum_tree): Change type of buf.
16577 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16579 * reload.c (push_secondary_reload): Initialize t_icode.
16581 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16583 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16584 -msoft-float -mlong-double-128 only issue a warning, but don't
16585 swich to DFmode long double.
16587 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16589 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16590 has a constant equivalent, iterate over equivalents for arg0,
16591 calling simplify_relational_operation and if there's a result
16592 cheaper than X, apply fold_rtx and return the result.
16594 2006-02-01 Jan Hubicka <jh@suse.cz>
16596 * opts.c (no_unit_at_a_time_default): New global variable.
16597 (decode_options): Use it.
16598 * opts.h (no_unit_at_a_time_default): Declare.
16600 2006-02-01 Paul Brook <paul@codesourcery.com>
16602 * function.c (assign_parm_setup_reg): Use function argument promotion
16604 * expr.c (expand_expr_real_1): Use function argument promotion rules
16607 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16609 * gcc.c (process_command): Change j to 'unsigned int'.
16611 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16613 PR middle-end/26001
16614 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16615 Use the corrected index for the character
16616 out of the string constant.
16618 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16620 * mode-switching.c (optimize_mode_switching): Fix size
16621 allocated for bb_info[n_entities].
16623 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16625 * gcc.c (main): Correct type that is allocated for
16626 explicit_link_files.
16628 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16630 * config/s390/s390.c (init_alignment_context): Set
16631 ALIAS_SET_MEMORY_BARRIER on the MEM.
16632 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16634 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16636 PR middle-end/25933
16637 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16639 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16642 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16644 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16645 * regrename.c: Ditto.
16646 * tree-ssa-loop-im.c: Ditto.
16647 * tree-dump.c: Ditto.
16648 * tree-complex.c: Ditto.
16649 * genrecog.c: Ditto.
16650 * tree-ssa-threadupdate.c: Ditto.
16652 * java/class.c: Ditto.
16653 * java/jcf-parse.c: Ditto.
16654 * java/resource.c: Ditto.
16655 * java/except.c: Ditto.
16656 * java/jvspec.c: Ditto.
16657 * java/jcf-write.c: Ditto.
16658 * java/jcf-path.c: Ditto.
16659 * java/gjavah.c: Ditto.
16660 * java/zextract.c: Ditto.
16661 * java/jcf-io.c: Ditto.
16662 * java/jcf.h: Ditto.
16663 * java/buffer.c: Ditto.
16664 * java/lang.c: Ditto.
16665 * java/parse-scan.y: Ditto.
16666 * java/lex.c: Ditto.
16667 * java/lex.h: Ditto.
16668 * cfgloopmanip.c: Ditto.
16669 * postreload-gcse.c: Ditto.
16670 * tree-ssa-loop-manip.c: Ditto.
16671 * postreload.c: Ditto.
16672 * tree-ssa-loop-ch.c: Ditto.
16675 * cppspec.c: Ditto.
16676 * diagnostic.c: Ditto.
16678 * genoutput.c: Ditto.
16680 * cfghooks.c: Ditto.
16681 * cfgloopanal.c: Ditto.
16682 * objc/objc-act.c: Ditto.
16684 * genextract.c: Ditto.
16685 * genautomata.c: Ditto.
16686 * pretty-print.c: Ditto.
16687 * genemit.c: Ditto.
16688 * cgraphunit.c: Ditto.
16690 * df-scan.c: Ditto.
16691 * haifa-sched.c: Ditto.
16692 * dominance.c: Ditto.
16694 * tree-ssa-loop-ivopts.c: Ditto.
16695 * df-core.c: Ditto.
16696 * mode-switching.c: Ditto.
16697 * modulo-sched.c: Ditto.
16699 * ipa-pure-const.c: Ditto.
16701 * fix-header.c: Ditto.
16703 * tree-stdarg.c: Ditto.
16704 * ipa-utils.c: Ditto.
16705 * loop-init.c: Ditto.
16706 * ipa-inline.c: Ditto.
16707 * cfganal.c: Ditto.
16709 * alloc-pool.c: Ditto.
16710 * dwarf2out.c: Ditto.
16712 * genattrtab.c: Ditto.
16713 * tree-ssa-loop-ivcanon.c: Ditto.
16714 * predict.c: Ditto.
16715 * timevar.c: Ditto.
16717 * fortran/gfortranspec.c: Ditto.
16718 * regmove.c: Ditto.
16719 * local-alloc.c: Ditto.
16720 * langhooks.c: Ditto.
16721 * function.c: Ditto.
16722 * tree-vectorizer.c: Ditto.
16724 * ipa-type-escape.c: Ditto.
16726 * tree-if-conv.c: Ditto.
16727 * profile.c: Ditto.
16729 * tree-data-ref.c: Ditto.
16730 * loop-unroll.c: Ditto.
16731 * treelang/treetree.c: Ditto.
16733 * bt-load.c: Ditto.
16734 * ggc-common.c: Ditto.
16736 * coverage.c: Ditto.
16738 * tree-cfgcleanup.c: Ditto.
16739 * tree-ssa-pre.c: Ditto.
16740 * cfgcleanup.c: Ditto.
16741 * loop-invariant.c: Ditto.
16742 * loop-iv.c: Ditto.
16743 * ipa-prop.c: Ditto.
16744 * print-tree.c: Ditto.
16745 * conflict.c: Ditto.
16746 * ggc-page.c: Ditto.
16747 * sched-deps.c: Ditto.
16748 * regclass.c: Ditto.
16749 * tree-object-size.c: Ditto.
16750 * combine.c: Ditto.
16751 * bb-reorder.c: Ditto.
16752 * resource.c: Ditto.
16753 * var-tracking.c: Ditto.
16754 * cfgloop.c: Ditto.
16755 * df-problems.c: Ditto.
16756 * reg-stack.c: Ditto.
16758 * gccspec.c: Ditto.
16759 * sched-rgn.c: Ditto.
16760 * tree-ssa-structalias.c: Ditto.
16761 * tree-ssa-reassoc.c: Ditto.
16762 * config/darwin-c.c: Ditto.
16763 * config/darwin.c: Ditto.
16764 * config/arm/arm.c: Ditto.
16766 * collect2.c: Ditto.
16767 * reload1.c: Ditto.
16769 2006-01-31 Nicolas Pitre <nico@cam.org>
16771 * arm.md (smaxsi3): Make aware of smax_m1.
16774 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16776 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16778 2006-01-31 Richard Guenther <rguenther@suse.de>
16780 * doc/invoke.texi (-msselibm): Document.
16781 * target.h (expand_library_builtin): New target hook.
16782 * builtins.c (expand_builtin): Use expand_library_builtin.
16783 (default_expand_library_builtin): New function.
16784 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16785 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16786 (link_gcc_math_spec): Declare.
16787 (static_specs): Add link_gcc_math_spec.
16788 * expr.h (default_expand_library_builtin): Declare.
16789 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16790 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16791 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16792 * config/i386/i386.opt (msselibm): New target option.
16793 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16794 (ix86_init_sse_abi_builtins): New function.
16795 (ix86_expand_library_builtin): Likewise.
16796 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16797 (override_options): Handle error conditions wrt -msselibm.
16798 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16799 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16800 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16803 2006-01-31 Richard Guenther <rguenther@suse.de>
16804 Paolo Bonzini <bonzini@gnu.org>
16806 * doc/install.texi (--disable-libgcc-math): Document.
16808 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16810 * expr.h (expand_normal): new inline function.
16811 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16812 * dojump.c: use it.
16813 * dwarf2out.c: use it.
16816 * expmed.c: use it.
16817 * except.c: use it.
16818 * config/sparc/sparc.c: use it.
16819 * config/i386/i386.c: use it.
16820 * config/rs6000/rs6000.c: use it.
16821 * config/arm/arm.c: use it.
16822 * config/mips/mips.c: use it.
16823 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16825 2006-01-30 Roger Sayle <roger@eyesopen.com>
16827 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16828 argv to the appropriate type.
16830 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16832 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16835 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16838 * config/s390/s390.c (struct machine_function): New flag
16839 decomposed_literal_pool_addresses_ok_p.
16840 (s390_reorg): Set it before final stage of literal pool transforms.
16841 (s390_decompose_address): Only accept displacements of the form
16842 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16844 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16846 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16847 the comparison routine return.
16849 2006-01-30 Michael Matz <matz@suse.de>
16851 * global.c (find_reg): Only evict for global regs.
16852 Take n_refs into account and dump more info.
16854 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16857 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16858 (pragma_trap, pragma_nosave_low_regs): Likewise.
16859 (current_function_anonymous_args): Likewise.
16860 (sh_deferred_function_attributes): New variable.
16861 (sh_deferred_function_attributes_tail): Likewise.
16862 (print_operand): For '@', look up trap_exit attribute.
16863 (calc_live_regs): Look up trapa_handler attribute. For trapa
16864 handlers, save/restore fpscr, but don't do any other
16865 interrupt-specific saves.
16866 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16867 Fix check for partially saved registers to check for SHmedia.
16868 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16869 (sh_output_function_epilogue): Don't clear any of the removed
16871 (sh_insert_attributes): Don't check pragma_interrupt.
16872 Insert deferred attributes. Check that interrupt attribute is
16873 present for other attributes that require its presence.
16874 (sh_attribute_table): Add new attributes trapa_handler and
16876 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16877 Don't check for pragma_interrupt. Don't store argument.
16878 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16879 (sh_deferred_function_attributes): Declare.
16880 (sh_deferred_function_attributes_tail): Likewise.
16881 * sh.md (sp_switch_1): Add operand. Change generator caller.
16882 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16883 (*return_i): Don't use when trap_exit attribute is in effect.
16884 (*return_trapa): New insn pattern.
16885 * sh-c.c: New file.
16886 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16887 setting c_target_objs and cxx_target_objs.
16888 * t-sh: Add rule for sh-c.o.
16890 2006-01-30 Richard Guenther <rguenther@suse.de>
16893 * gimplify.c (gimplify_target_expr): Handle easy cases
16894 without creating a temporary.
16896 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16898 * vec.h (safe_grow): Remove duplicated line.
16900 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16903 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16904 (expand_omp): ... here.
16905 (expand_omp_parallel): Only remove barriers for combined
16906 parallel+workshare constructs.
16908 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16912 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16913 * tree.c (build_qualified_type): Chain the new type to the original
16914 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16915 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16916 (build_pointer_type_for_mode): Only return unqualified types.
16917 (build_reference_type_for_mode): Likewise.
16919 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16921 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16922 * Makefile.in (CXX_COMPAT_WARN): Define.
16923 * configure: Regenerate.
16925 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16928 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16931 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16933 * toplev.c: Fix thinko.
16935 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16936 Marcin Dalecki <martin@dalecki.de>
16938 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16939 (push_srcloc): Use XNEW.
16940 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16942 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16944 * df-core.c (df_set_blocks): Deleted all variable.
16946 2006-01-28 Ian Lance Taylor <ian@airs.com>
16948 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16949 cgraph_output_pending_asms.
16951 2006-01-28 Zack Weinberg <zackw@panix.com>
16953 * c.opt: Add -W(no-)overlength-strings.
16954 * doc/invoke.texi: Document it.
16955 * c-opts.c (c_common_handle_option): -pedantic implies
16956 -Woverlength-strings, if not explicitly disabled already.
16957 (c_common_post_options): -Woverlength-strings defaults to off, and
16958 is always off for C++.
16959 * c-common.c (fix_string_type): Issue warning about strings longer
16960 than is portable only if warn_overlength_strings. Rearrange code
16961 a little for clarity.
16962 * configure.in: Check for -Wno-overlength-strings as well before
16963 enabling -pedantic in stage 1.
16964 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16965 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16967 * genconditions.c (write_header, write_one_condition)
16968 (write_conditions, write_writer): Consolidate very long strings
16969 that were broken up to fit in C89 portable limit. Don't use
16970 printf when fputs will do.
16972 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16974 * combine.c (simplify_comparison <AND>): Check
16975 TRULY_NOOP_TRUNCATION before start using a subreg.
16977 * config/mips/mips.md (*branch_zero<mode>,
16978 *branch_zero<mode>_inverted, *branch_equality<mode>,
16979 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16980 Remove mode check from comparisons.
16982 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16984 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16986 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16988 * expmed.c (const_mult_add_overflow_p): Remove.
16989 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16991 * recog.c (validate_replace_rtx_subexp): Remove.
16992 * recog.h: Remove the prototype for
16993 validate_replace_rtx_subexp.
16995 * integrate.h: Remove the prototype for
16996 copy_decl_for_inlining.
16997 * rtl.h: Remove the prototype for mark_constant_function.
16998 * tree-vectorizer.h: Remove the prototype for
16999 vect_strip_conversion.
17001 * modulo-sched.c (create_partial_schedule,
17002 free_partial_schedule, reset_partial_schedule): Make them
17005 * hooks.c (hook_bool_rtx_int_false): Remove.
17006 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17008 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17010 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17011 and -mlong-double-128 are incompatible.
17012 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17013 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17014 (TARGET_LIBGCC2_CFLAGS): Define.
17015 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17016 (TARGET_LIBGCC2_CFLAGS): Same.
17017 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17019 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17022 * c-typeck.c (build_binary_op): Perform implicit casts of
17023 operands before shortening them.
17025 * cfgloopmanip.c (split_loop_bb): Remove.
17026 * cfgloop.h: Remove the prototype for split_loop_bb.
17028 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17029 * cfgloop.h: Remove the prototype for
17030 flow_loop_outside_edge_p.
17032 * emit-rtl.c (init_virtual_regs): Make it static.
17033 * function.h: Remove the prototype for init_virtual_regs.
17035 * recog.c (peephole2_optimize): Make it static.
17036 * recog.h: Remove the prototype for peephole2_optimize.
17038 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17040 * df-scan.c (df_record_entry_block_defs): Check if
17041 INCOMING_RETURN_ADDR_RTX is defined.
17043 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17044 Kenneth Zadeck <zadeck@naturalbridge.com>
17046 PR rtl-optimization/24762
17047 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17048 * targhooks.c (hook_void_bitmap): New hook prototype.
17049 * targhoohs.h (hook_void_bitmap): Ditto.
17050 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17051 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17052 * target.h (live_on_entry): New function pointer.
17053 * df-scan.c (df_all_hard_regs): Removed.
17054 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17055 (df_scan_free_internal): Added df->entry_block_defs.
17056 (df_scan_alloc): Ditto.
17057 (df_scan_dump): Ditto.
17058 (df_uses_record): Plumbed flag field properly thru calls.
17059 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17060 This part fixes PR24762.
17061 (df_bb_refs_record): Added code to make the frame and arg
17062 pointers live in EH blocks.
17063 (df_refs_record): Added call to df_record_entry_block_defs.
17064 (df_record_entry_block_defs): New function.
17065 * df-core.c: Added comments to describe new artifical defs.
17066 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17067 (entry_block_defs): New field in struct df.
17068 (df_all_hard_regs): Deleted.
17069 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17070 * df-problems.c (df_ru_bb_local_compute_process_def):
17071 Added code to handle artifical defs in the entry to a function.
17072 (df_ru_bb_local_compute): Ditto.
17073 (df_rd_bb_local_compute_process_def): Ditto.
17074 (df_rd_bb_local_compute): Ditto.
17075 (df_lr_bb_local_compute): Ditto.
17076 (df_ur_bb_local_compute): Ditto.
17077 (df_urec_bb_local_compute): Ditto.
17078 (df_chain_create_bb): Ditto.
17079 (df_ur_local_finalize): Removed entry.
17080 (df_urec_init): Ditto.
17081 (df_urec_local_finalize): Ditto.
17082 (df_ri_bb_compute): Added detection of last use of pseudos.
17083 * Makefile.in (df-scan.o): Updated dependencies.
17084 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17085 * config/mips/mips.c (mips_set_live_on_entry): Added.
17086 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17088 * dce.c (marked_insn_p): Added code to handle artifical defs.
17090 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17092 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17094 (_mm_cvtsi128_si64): Likewise.
17095 (_mm_cvtsd_si64): Likewise.
17096 (_mm_cvttsd_si64): Likewise.
17097 (_mm_cvtsi64_sd): Likewise.
17098 (_mm_cvtsi64_si128): Likewise.
17099 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17100 (_mm_cvtsi64_m64): Likewise.
17101 (_m_to_int64): Likewise.
17102 (_mm_cvtm64_si64): Likewise.
17103 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17104 (_mm_cvttss_si64): Likewise.
17105 (_mm_cvtsi64_ss): Likewise.
17106 (_mm_cvtss_f32): Likewise.
17108 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17110 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17111 for pragma redefine_extname.
17113 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17116 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17117 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17118 -mno-minimal-toc to previous content.
17119 (bispecs): Remove goal.
17120 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17121 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17122 compatibility aliases on powerpc-*-*gnu*.
17123 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17124 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17125 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17126 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17127 (ldblspecs): New goal.
17128 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17129 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17131 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17132 L_sf_to_tf or L_df_to_tf is defined.
17134 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17135 Alan Modra <amodra@bigpond.net.au>
17138 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17139 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17140 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17141 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17142 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17143 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17144 (rs6000_override_options): Initialize rs6000_ieeequad.
17145 Initialize TFmode format to ibm_extended_format if not
17147 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17149 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17150 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17151 (function_arg_advance): IBM long double passed in two FPRs, not
17153 (function_arg): IBM long double passed in FPRs.
17154 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17155 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17156 Only multireg GPR aligned.
17157 (rs6000_init_libfuncs): Enable IBM long double functions if not
17159 (rs6000_generate_compare): Use IBM long double compare if not
17161 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17162 (TARGET_IEEEQUAD): Define.
17163 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17164 not TARGET_IEEEQUAD.
17165 * config/rs6000/rs6000.md: Enable TFmode patterns if
17167 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17168 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17169 and -mlong-double-128 are incompatible.
17170 * doc/invoke.texi (-mabi): Collect options together. Add
17171 ibmlongdouble and ieeelongdouble.
17173 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17175 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17177 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17178 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17179 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17180 * rtl.h (rtunion_def): Remove rt_ptr.
17182 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17183 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17184 * config/i386/winnt.c (i386_pe_mark_dllexport)
17185 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17187 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17189 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17191 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17195 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17196 pthread_key_delete. From John David Anglin. gthrw-ify
17197 pthread_getunique_np only if it it's not a macro. Delete
17199 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17200 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17201 __gthread_objc_condition_signal, __gthread_key_delete): Add
17202 "__attribute__ ((__unused__))" to unused arguments.
17203 (__gthread_recursive_mutex_init_function): Add missing return.
17204 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17205 gthr-posix95.h: Use macro-based approach for name redirection
17206 on targets missing weakref.
17208 2006-01-26 Zack Weinberg <zackw@panix.com>
17210 * genconditions.c (write_header): In generated code, #ifdef out
17211 all includes and fake declarations, except includes of bconfig.h
17212 and system.h, unless GCC_VERSION >= 3001. Do not include
17213 gensupport.h in any case.
17214 (write_conditions): Generate a definition of struct c_test. Add
17215 a comment to the generated #endif.
17216 (write_one_condition): Escape backslashes in string too.
17217 (write_writer): Generated code must escape backslashes and quote
17218 marks (but not newlines) in the strings it writes.
17219 * Makefile.in (build/gencondmd.o): Update dependencies.
17221 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17224 * Makefile.in (insn-automata.o): Add header file dependencies.
17225 * genautomata.c: Add includes.
17227 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17230 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17232 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17234 * configure.ac: Expect target tools paths to be passed from the toplevel
17235 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17237 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17239 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17242 * c.opt (Wpointer-sign): Init to -1.
17243 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17244 OPT_pedantic, to 0 otherwise.
17245 * doc/invoke.texi: Update.
17247 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17249 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17250 constants provided by 80387 instructions in the destination mode.
17252 2006-01-26 Richard Guenther <rguenther@suse.de>
17253 Andrew Pinski <pinskia@physics.uc.edu>
17256 partial PR tree-opt/17064
17257 * tree-ssa-structalias.c (intra_create_variable_infos):
17258 Create heap variables for incoming parameters if
17259 flag_argument_noalias > 1.
17260 (find_what_p_points_to): Look through default defs of
17263 2006-01-26 Jeff Law <law@redhat.com>
17266 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17267 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17268 within the VR_RANGE, use the VR_RANGE as the result, not the
17270 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17271 bounds for the type.
17273 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17275 * tree-ssa-alias.c (maybe_create_global_var): Change
17276 subvar walking to an assertion that we don't have subvar'd variables.
17278 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17281 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17282 Use a new variable, inner. PARM_DECLs are always non-weak.
17284 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17286 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17287 --disable-checking.
17289 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17291 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17293 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17295 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17296 (smax_insn, smin_insn, smax_0, smin_0): New.
17298 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17301 * config/cris/cris.c (cris_order_for_addsi3): New function.
17302 * config/cris/cris-protos.h: Prototype it.
17303 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17304 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17305 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17306 (split for "op.S1 [rx=rx+i],ry (swapped)")
17307 (split for "op(s|u).S1 [rx=rx+i],ry")
17308 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17309 Apply cris_order_for_addsi3 when generating addsi3 insns.
17311 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17313 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17314 (TREE_BLOCK): Add call to EXPR_CHECK.
17316 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17319 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17320 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17321 (dump_omp_clauses): ... here.
17322 (dump_generic_node): Handle OMP_CLAUSE.
17323 * tree.c (omp_clause_num_ops): New.
17324 (omp_clause_code_name): New.
17325 (tree_code_size): Handle OMP_CLAUSE.
17326 (tree_size): Likewise.
17327 (make_node): Document handling of OMP_CLAUSE.
17328 (tree_node_structure): Handle OMP_CLAUSE.
17329 (omp_clause_check_failed): New.
17330 (omp_clause_range_check_failed): New.
17331 (omp_clause_operand_check_failed): New.
17332 (build_omp_clause): New.
17333 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17334 * tree.h (enum omp_clause_code): Declare.
17335 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17336 (OMP_CLAUSE_RANGE_CHECK): Define.
17337 (OMP_CLAUSE_ELT_CHECK): Define.
17338 (omp_clause_check_failed): Declare.
17339 (omp_clause_operand_check_failed): Declare.
17340 (omp_clause_range_check_failed): Declare.
17341 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17342 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17343 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17344 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17345 (OMP_CLAUSE_IF_EXPR): Likewise.
17346 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17347 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17348 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17349 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17350 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17351 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17352 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17353 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17354 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17355 (OMP_CLAUSE_CODE): Define.
17356 (OMP_CLAUSE_SET_CODE): Define.
17357 (OMP_CLAUSE_CODE): Define.
17358 (OMP_CLAUSE_OPERAND): Define.
17359 (struct tree_omp_clause): Declare.
17360 (union tree_node): Add field 'omp_clause'.
17361 * treestruct.def (TS_OMP_CLAUSE): Define.
17362 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17363 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17364 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17365 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17366 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17367 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17368 (OMP_CLAUSE): Define.
17369 * print-tree.c (print_node): Handle OMP_CLAUSE.
17370 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17371 * c-typeck.c: Likewise.
17372 * gimplify.c: Likewise.
17373 * c-omp.c: Likewise.
17374 * tree-nested.c: Likewise.
17375 * tree-inline.c: Likewise.
17376 * c-parser.c: Likewise.
17377 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17380 2006-01-25 Roger Sayle <roger@eyesopen.com>
17382 PR rtl-optimization/25703
17383 * combine.c (try_combine): Handle zero_extract and strict_low_part
17384 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17386 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17388 * global.c: Fix comment typos.
17390 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17393 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17394 Use output_addr_const instead of assemble_name.
17396 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17398 * Makefile.in (sched-vis.o): Update dependencies.
17399 * haifa-sched.c (sched_finish): Clear current_sched_info.
17400 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17401 (dump_flow_info): Call it.
17402 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17404 * basic-block.h (dump_bb_info): Declare.
17405 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17406 option, and apply options only for dump files whose TDF_RTL,
17407 TDF_TREE, or TDF_IPA bits match.
17408 * rtl.h: Declare new functions exported from sched-vis.c.
17409 * sched-vis.c: Enable also if scheduling is not used.
17410 (print_value): Print the mode of registers if not inside scheduling.
17411 (print_insn): Make it work outside the scheduler. Beautify the output
17413 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17415 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17417 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17418 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17419 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17420 depending on the value of CONSTANT_POOL_ADDRESS_P.
17421 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17423 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17424 rather than SYMBOL_REF_DECL.
17425 (rtx_constant_pool): Remove const_rtx_sym_htab.
17426 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17427 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17428 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17429 Remove handling of const_rtx_sym_htab.
17430 (find_pool_constant): Delete.
17431 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17432 rather than find_pool_constant.
17433 (get_pool_constant_for_function): Delete.
17434 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17435 find_pool_constant.
17436 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17437 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17438 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17439 (SYMBOL_REF_CONSTANT): New macro.
17440 (get_pool_constant_for_function): Delete.
17441 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17442 rather than SYMBOL_REF_DECL.
17443 (i386_pe_mark_dllimport): Likewise.
17444 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17445 rather than SYMBOL_REF_DECL.
17446 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17447 (machopic_indirect_call_target): Likewise.
17449 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17451 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17453 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17455 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17457 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17459 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17461 2006-01-24 David Daney <ddaney@avtrex.com>
17464 * configure.ac (enable_tls): New enable option.
17465 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17466 * configure: Regenerate.
17467 * doc/install.texi (--enable-tls): Document new option.
17468 (--disable-tls): Ditto.
17470 2006-01-24 Richard Henderson <rth@redehat.com>
17472 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17473 * alias.c (true_dependence): Respect it.
17474 (canon_true_dependence, write_dependence_p): Likewise.
17475 * builtins.c (get_builtin_sync_mem): Set it.
17477 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17479 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17482 2006-01-24 DJ Delorie <dj@redhat.com>
17484 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17485 for storing constants in single-bit bitfields.
17487 2006-01-25 Ben Elliston <bje@au.ibm.com>
17489 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17491 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17494 * tree-ssa-pre.c (phi_translate): Return NULL
17495 for AGGREGATE_TYPE's.
17497 2006-01-24 Zack Weinberg <zackw@panix.com>
17499 * genautomata.c (process_state_for_insn_equiv_partition):
17500 Use xcalloc for insn_arcs_array.
17501 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17502 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17504 2006-01-24 Richard Henderson <rth@redhat.com>
17506 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17507 update all callers.
17509 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17511 PR rtl-optimization/25890
17512 PR rtl-optimization/25905
17513 * combine.c (expand_compound_operation, expand_field_assignment):
17514 Fail if the bitfield's final position is out of bounds.
17516 2006-01-24 Ian Lance Taylor <ian@airs.com>
17518 PR middle-end/25930
17519 * cgraphunit.c (cgraph_output_in_order): Don't clear
17520 cgraph_asm_nodes until after asm strings have been output.
17522 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17524 * fix-header.c (read_scan_file): Add new parameter imultilib when
17525 calling register_include_chains.
17527 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17529 * omp-low.c: Update documentation.
17531 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17532 Daniel Berlin <dberlin@dberlin.org>
17536 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17537 return from the function.
17539 2006-01-22 Zack Weinberg <zackw@panix.com>
17541 * rtl.def (match_code): Add second argument.
17542 * genpreds.c (write_extract_subexp): New function.
17543 (write_match_code): Add path argument. Use write_extract_subexp.
17544 (write_predicate_expr): Pass path to write_match_code.
17545 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17546 not perform a mode test.
17547 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17548 a subexpression does not constrain the top-level code set.
17549 * read-rtl.c (read_rtx_variadic): New function.
17550 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17551 * doc/md.texi: Document new notation.
17552 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17553 (cmpsi_operand): ... here, using new notation.
17555 2006-01-22 Zack Weinberg <zackw@panix.com>
17557 * varray.c: Remove GENERATOR_FILE #ifdefs.
17559 2006-01-22 Zack Weinberg <zackw@panix.com>
17561 * genautomata.c (output_reserved_units_table): Emit nothing if
17562 description->query_units_num is zero. Remove extra blank line.
17563 (output_cpu_unit_reservation_p): Short circuit
17564 if description->query_units_num is zero.
17566 2006-01-22 Zack Weinberg <zackw@panix.com>
17568 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17569 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17570 nor any of the random handful of variables that used to be necessary
17571 when this program was linked with rtlanal.o. Prune set of forward
17572 function declarations.
17573 (struct attr_desc): Remove static_p field.
17574 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17575 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17576 (attr_string): Do not read the character one past the length of
17578 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17579 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17580 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17581 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17582 (make_automaton_attrs): New.
17583 (main): Do not call into genautomata. Call local gen_bypass
17584 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17585 Remove special case for insn_alts.
17586 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17587 varray.h (leftover from previous change). Prune set of forward
17588 function declarations. Remove state_alts fields from all
17589 structures. Remove state_alts_table from struct automaton.
17590 Make everything except main static. Do not maintain num_dfa_decls.
17591 Do not maintain state_alts fields of various structures.
17592 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17593 (add_arc): Remove state_alts argument. All callers updated.
17594 (output_reserved_units_table): Emit #ifdef here...
17595 (output_tables): ...not here. Don't generate state_alts tables.
17596 (expand_automata): Don't generate attributes.
17597 (write_automata): Don't generate state_alts functions.
17598 (main): New function.
17599 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17600 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17601 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17602 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17603 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17604 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17605 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17606 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17608 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17609 * genattrtab.h: Delete file.
17610 * Makefile.in (OBJS-common): Add insn-automata.o.
17611 (insn-automata.o): New rule.
17612 (simple_generated_c): Add insn-automata.c.
17613 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17614 (genprogmd): Add automata.
17615 (build/genattrtab): Needs no extra objects nor libraries.
17616 (build/genautomata): Needs build/vec.o and -lm.
17618 2006-01-22 Zack Weinberg <zackw@panix.com>
17620 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17621 (output_dfa_max_issue_rate, locked_states_num): Delete.
17622 (struct automaton): Add locked_states field.
17623 (output_dead_lock_vect): Save number of locked states in
17624 automaton->locked_states. If it is zero, don't print anything.
17625 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17626 (output_internal_dead_lock_func): Only test the dead_lock_vect
17627 for automata that have locked states.
17628 (output_statistics): Always print the number of locked states for
17629 each automaton. Calculate total number of locked states here.
17630 (write_automata): Don't call output_dfa_max_issue_rate.
17631 * genattrtab.c: Define length_unit_log as a const variable.
17632 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17633 max_insn_queue_index const.
17634 * final.c (length_unit_log): Declare const.
17635 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17637 2006-01-22 Zack Weinberg <zackw@panix.com>
17639 * genautomata.c: Include vec.h, not varray.h.
17640 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17641 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17642 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17643 VEC_* macros operating on appropriately typed vectors, or to
17644 malloced arrays when the size is known in advance. Const-ify
17645 many char* variables and function arguments. No functional changes.
17646 * Makefile.in (build/varray.o): Delete rule.
17647 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17648 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17650 2006-01-22 Zack Weinberg <zackw@panix.com>
17652 * gensupport.c: Define get_insn_name and record_insn_name here.
17653 (read_md_rtx): Call record_insn_name as appropriate.
17654 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17655 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17656 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17658 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17659 (BUILD_VARRAY): Delete.
17660 (genprognormal): Rename genprogmd. Fold in all programs from
17661 genprognoprint; also attrtab.
17662 (build/genattrtab): Just mention genautomata.o and varray.o.
17663 Reorganize a bit, add comments to make the categories clearer.
17665 2006-01-22 Zack Weinberg <zackw@panix.com>
17667 * genconditions.c (condition_table, add_condition): Delete.
17668 (write_conditions): Don't emit n_insn_conditions nor
17669 insn_elision_unavailable. Issue the gcc version #ifdef here,
17670 inside the table, with no #else clause ...
17671 (write_header): ...not here.
17672 (write_writer): New function.
17673 (main): Don't initialize condition_table. Use add_c_test.
17675 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17676 files on the command line.
17677 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17678 Return -1 if there is no entry in the table, don't abort.
17679 (add_c_test, traverse_c_tests): New functions.
17680 * gensupport.h (insn_elision_unavailable, insn_conditions)
17681 (n_insn_conditions): Delete declarations.
17682 (add_c_test, traverse_c_tests): Declare.
17683 * read-rtl.c: Include gensupport.h.
17684 (read_conditions): New function.
17685 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17686 (read_rtx_1): If we get EOF when we were looking for an initial
17687 open paren, return 0. Call read_conditions when appropriate.
17688 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17689 dummy-conditions.o. Eliminate references to insn-conditions.o,
17690 or change them to build/gencondmd.o, as appropriate. Remove
17691 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17692 from $(simple_generated_c). For all files remaining in those
17693 two lists, add insn-conditions.md to the generator command line.
17694 Give insn-constants.h/s-constants their own rules. Add rules
17695 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17696 (build/read-rtl.o): Depend on gensupport.h.
17697 (genprognormal): Include preds.
17698 (genprogearly): Rename genprognoprint; only difference is now that
17699 they don't link with $(BUILD_PRINT).
17700 * dummy-conditions.c: Delete.
17702 2006-01-22 Zack Weinberg <zackw@panix.com>
17704 * genextract.c: Don't include insn-config.h. Do include vec.h.
17705 Declare vectors of int, char, and locstr.
17706 (locstr): New typedef.
17707 (struct extraction): Make all array fields into bare pointers.
17708 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17709 (insn_code_number): Delete.
17710 (accum_extract): New struct.
17711 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17712 (gen_insn): Take insn_code_number as an argument. Use an
17713 accum_extract structure instead of loading data directly into
17714 a struct extraction, and having to know how big it might get.
17715 (walk_rtx): Operate entirely on an accum_extract structure.
17716 (print_path): Avoid unnecessary use of printf.
17717 (print_header): New function, split out of main. Distinguish
17718 more carefully between an unrecognizable insn and an insn that
17719 has the code number of a define_expand.
17720 (main): Pass insn_code_number to gen_insn. Call print_header
17721 only after parsing. Avoid unnecessary use of printf.
17722 * Makefile.in (build/vec.o): New rule.
17723 (build/genextract): Depend on build/vec.o.
17724 (build/genextract.o): Don't depend on insn-config.h.
17726 2006-01-22 Zack Weinberg <zackw@panix.com>
17728 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17729 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17730 practical. Eliminate per-generator-program link rules.
17732 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17734 PR middle-end/24437
17735 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17736 with a call expr to ...
17737 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17739 2006-01-23 Richard Guenther <rguenther@suse.de>
17741 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17742 before make_edge with conditional EDGE_TRUE_VALUE.
17744 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17745 Jan Hubicka <jh@suse.cz>
17746 Richard Guenther <rguenther@suse.de>
17748 PR rtl-optimization/25654
17749 * cfgexpand.c (aggregate_contains_union_type): New function.
17750 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17751 for structure variables that contain a union type.
17753 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17755 * gengtype.c (new_structure): Return the structure.
17756 (create_option): Add an extra "next" argument.
17757 (create_field): New function.
17758 (adjust_field_rtx_def): Use create_option and create_field.
17759 Remove a now-unnecessary call to find_structure.
17760 (adjust_field_tree_def): Likewise.
17761 (note_yacc_type): Remove an unnecessary call to find_structure.
17762 * gengtype.h (new_structure): Return the structure.
17763 (create_option): Add an extra argument.
17764 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17765 (option): Adjust calls to create_option.
17767 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17769 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17771 2006-01-22 Paul Brook <paul@codesourcery.com>
17772 Peter Barada <peter@the-baradas.com>
17774 * config/m68k/m68k.md: Add Coldfire FPU support.
17775 Define FP mode macro and associated attributes.
17776 Use it for float mode patterns.
17777 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17778 (LIBCALL_VALUE): Use m68k_libcall_value.
17779 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17780 (m68k_function_value): Ditto.
17781 (emit_move_sequence): Ditto.
17782 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17783 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17784 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17785 (MULTILIB_EXCEPTIONS): Ditto.
17786 * config/m68k/m68k.opt: Add mcfv4e.
17787 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17788 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17789 (m68k_output_function_prologue): Save ColdFire FPU registers.
17790 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17791 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17792 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17793 ColdFire FPU registers.
17794 (m68k_libcall_value, m68k_function_value): New functions.
17795 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17796 (LIBCALL_VALUE): Use m68k_libcall_value.
17797 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17798 (MASK_COLDFIRE): Add MASK_CFV4E.
17799 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17800 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17801 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17802 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17803 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17804 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17805 * doc/invoke.tex: Document -mcfv4e on m68k.
17807 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17809 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17812 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17815 * c-opts.c (c_common_handle_option): Don't include
17816 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17817 * doc/invoke.texi (C++ Dialect Options): Document that
17818 -Wnon-virtual-dtor is no longer included in -Wall.
17820 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17822 * gcov.c (print_version), gcov-dump.c (print_version),
17823 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17826 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17828 * df-scan.c (problem_SCAN): Added NULL reset function.
17829 (df_scan_reset_blocks): Added code to call reset block function
17830 (df_bb_refs_delete) Fixed comment.
17831 (df_insn_refs_delete): Made tolerant of deleting non existent info
17832 for dataflow problems that need to be reset.
17833 * df-core.c (df_set_blocks): Ditto.
17834 * df.h (struct df_problem): Added reset_fun.
17835 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17836 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17837 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17838 functions to clear out all references to def-use or use-def chains.
17840 2006-01-21 Ben Elliston <bje@au.ibm.com>
17842 * varasm.c (assemble_real): Initialise data array.
17844 2006-01-20 Paul Brook <paul@codesourcery.com>
17846 Merge from csl-arm-branch.
17847 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17848 * config/arm/arm.md (movdi): Force operands[1] to a register
17849 if we have a non-register source.
17850 (*arm_movdi, *movdf_soft_insn): Require that one of the
17851 operands be a register.
17852 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17853 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17855 2006-01-20 DJ Delorie <dj@redhat.com>
17857 * varasm.c (initializer_constant_valid_p): Allow pointers
17858 initialized from integer constants of lesser precision.
17859 (output_constant): Allow non-int-sized pointer modes to be
17860 initialized from integer constants.
17862 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17865 * cppdefault.h (struct default_include): Add multilib flag.
17866 * cppdefault.c (cpp_include_defaults): Set it.
17867 * c.opt (-imultilib): New option.
17868 * c-opts.c (imultilib): New.
17869 (c_common_handle_option): Handle -imultilib.
17870 (c_common_post_options): Likewise.
17871 * c-incpath.c (add_standard_paths, register_include_chains):
17873 * c-incpath.h (register_include_chains): Add extra parameter.
17874 * gcc.c (do_spec_1): Generate -imultilib option.
17875 (The Specs Language): Update %I description.
17876 (process_command): Update copyright notice.
17877 * doc/cppopts.texi (-imultilib): Document.
17878 * doc/invoke.texi (-imultilib): Include in option summary.
17879 (%I): Update specs documentation.
17881 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17883 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17885 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17887 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17890 2006-01-20 Richard Guenther <rguenther@suse.de>
17891 Steven Bosscher <stevenb.gcc@gmail.com>
17893 PR rtl-optimization/24626
17894 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17895 EDGE_TRUE_VALUE if in RTL mode.
17898 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17899 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17901 2006-01-20 Dirk Mueller <dmueller@suse.com>
17904 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17905 instead of a special NOP marker.
17906 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17907 NOP marker handling.
17908 * c-common.h (empty_body_warning): Add forward declaration.
17909 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17910 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17912 2006-01-20 Paul Brook <paul@codesourcery.com>
17914 * Makefile.in (lang_checks): Keep going if mkdir fails.
17916 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17918 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17919 be able to clean out basic block when not necessary.
17920 (df_scan_free): Fixed to properly delete information if df is
17921 unused before calling df_finish.
17922 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17923 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17925 (df_bb_refs_delete): New function.
17926 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17927 * df-core.c (df_set_blocks): Added code to properly clean out
17928 unused blocks if they are not part of the blocks to consider.
17929 Added additional null check.
17930 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17931 be able to clean out basic block when not necessary
17932 * df.h (df_free_bb_function): Ditto.
17933 (df_bb_refs_delete): New function.
17934 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17935 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17936 basic block parameter to be able to clean out basic block when not
17938 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17939 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17940 Fixed to properly delete information if df is unused before
17943 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17945 PR rtl-optimization/25799
17946 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17947 Corrected confluence operator to remove bits from op2 before oring
17948 with op1 rather than removing bits from op1.
17949 (df_ru_transfer_function): Corrected test on wrong bitmap which
17950 caused infinite loop. Both of these problems were introduced in
17951 the dataflow rewrite.
17953 2006-01-19 DJ Delorie <dj@redhat.com>
17955 * reload1.c (find_reload_regs): Note the details of reload
17956 failures in the dump file.
17957 (spill_failure): Likewise.
17959 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17961 * loop-iv.c: Include df.h and hashtab.h.
17962 (enum iv_grd_result): New enum.
17963 (DF_REF_IV, DF_REF_IV_SET): New macros.
17964 (struct biv_entry): New.
17965 (df, bivs): New global variables.
17966 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17967 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17969 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17970 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17971 analyzed_for_bivness_p, record_biv): New functions.
17972 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17973 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17974 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17976 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17978 (iv_number_of_iterations): Use new interface to iv analysis.
17979 * loop-unroll.c: Do not include varray.h.
17980 (analyze_iv_to_split_insn): Use new interface to iv
17982 * loop-unswitch.c (may_unswitch_on): Ditto.
17983 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17985 (df_bb_modify): Realloc tables to the new index.
17986 (df_find_use): New function.
17987 * df.h (df_find_use): Declare.
17988 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17990 * cfgloop.h (struct rtx_iv): Remove analysed field.
17991 (iv_get_reaching_def): Removed.
17992 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17993 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17994 (loop-iv.o): Add df.h and hashtab.h dependency.
17995 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17997 2006-01-20 Alan Modra <amodra@bigpond.net.au>
18000 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
18002 (__floatundisf, __floatundidf): Likewise.
18003 * libgcc2.h (IS_IBM_EXTENDED): Define.
18005 2006-01-19 DJ Delorie <dj@redhat.com>
18007 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18009 2006-01-19 Paul Brook <paul@codesourcery.com>
18011 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18012 as nothrow when unwinding tables are disabled.
18014 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18017 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18018 of bit-field" when in system header.
18020 2006-01-19 DJ Delorie <dj@redhat.com>
18022 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18023 the 16 bit shift limit of the m16c.
18025 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18028 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18029 * config/i386/i386.c (output_set_got): Output the label if we have one
18030 for the TARGET_DEEP_BRANCH_PREDICTION case.
18032 2006-01-19 Jan Hubicka <jh@suse.cz>
18033 H.J. Lu <hongjiu.lu@intel.com>
18034 Evandro Menezes <evandro.menezes@amd.com>
18036 * invoke.texi (generic): Document
18038 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18039 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18040 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18041 (x86_use_incdec, x86_pad_returns): New variables
18042 (TARGET_CPU_DEFAULT_generic): New constant
18043 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18044 (enum processor_type): Add generic32 and generic64.
18045 * i386.md (cpu attribute): Add generic32/generic64
18046 (movhi splitter): Behave sanely when both partial_reg_dependency and
18047 partial_reg_stall are set.
18048 (K8 splitters): Enable for generic as well.
18049 * predicates.md (incdec_operand): Use TARGET_INCDEC
18050 (aligned_operand): Avoid memory mismatch stalls.
18051 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18052 * ppro.md: Enable for generic32
18053 * i386.c (generic64_cost, generic32_cost): New.
18054 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18055 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18056 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18057 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18058 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18059 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18060 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18061 x86_accumulate_outgoing_args, x86_prologue_using_move,
18062 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18063 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18064 Enable for generic.
18065 (x86_use_incdec, x86_pad_returns): New.
18066 (override_options): Add generic32 and generic64, translate "generic"
18067 to generic32/generic64 and "i686" to "generic32", refuse
18068 "generic32"/"generic64" as arch target.
18069 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18070 (ix86_reorg): Honor PAD_RETURNS.
18072 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18074 * tree-pretty-print.c (dump_generic_node): Handle
18075 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18076 * cgraph.c (cgraph_expand_queue): Rename from
18077 cgraph_analyze_queue. Update all users.
18078 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18079 cgraph_expand_queue.
18080 (cgraph_expand_all_functions): Likewise.
18081 (cgraph_finalize_pending_functions): Remove. Update callers.
18083 * tree.h (OMP_DIRECTIVE_P): Define.
18084 (OMP_PARALLEL_FN): Define.
18085 (OMP_PARALLEL_DATA_ARG): Define.
18086 (OMP_SECTIONS_SECTIONS): Define.
18087 * tree-pass.h (pass_expand_omp): Declare.
18088 * omp-low.c (struct omp_region): Declare.
18089 (struct omp_context): Remove fields 'parallel_type',
18090 'parallel_start_ix' and 'parallel_start_additional_args'.
18092 (struct omp_for_data): Rename from struct expand_omp_for_data.
18093 (omp_regions): New static variable.
18094 (root_omp_region): New static variable.
18095 (find_omp_clause): Make static.
18096 (is_in_combined_parallel_ctx): Remove.
18097 (is_combined_parallel): New.
18098 (extract_omp_for_data): Move earlier in the file.
18099 (workshare_safe_to_combine_p): New.
18100 (get_ws_args_for): New.
18101 (determine_parallel_type): Move earlier in the file.
18102 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18104 (omp_copy_decl): Likewise.
18105 (create_omp_child_function): Likewise.
18106 (lookup_omp_region): New.
18107 (dump_omp_region): New.
18108 (debug_omp_region): New.
18109 (debug_all_omp_regions): New.
18110 (new_omp_region): New.
18111 (scan_omp_parallel): If parallel_nesting_level > 1, the
18112 directive is nested within another parallel directive.
18113 Set OMP_PARALLEL_FN.
18114 (scan_omp_for): Do not try to handle combined parallel+for
18116 Remove FIXME comment.
18117 (scan_omp_nested): Remove.
18118 (scan_omp_1): Do not call scan_omp_nested when
18119 parallel_nesting_level is > 1.
18120 Do not change the DECL_CONTEXT of local variables found.
18121 (lookup_decl_in_outer_ctx): New.
18122 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18123 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18124 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18125 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18126 If CTX is nested, lookup VAR in the outer context when
18127 building copy assignment.
18128 (lower_send_clauses): Rename from expand_send_clauses.
18129 If CTX is nested, lookup VAR in the outer context when
18130 building copy assignments.
18131 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18132 If CTX is nested, lookup VAR in the outer context when
18133 building copy assignments.
18134 (expand_parallel_call): Rename from build_parallel_call.
18135 Handle combined parallel+workshare cases.
18136 Re-implement to emit code into the CFG.
18138 (expand_omp_parallel): Re-implement to emit code into the CFG.
18139 Call move_sese_region_to_fn to outline the sub-graph
18140 containing the parallel region.
18141 (expand_omp_for_1): Remove.
18142 (expand_omp_for_generic): Re-implement to emit code into the
18144 (expand_omp_for_static_nochunk): Likewise.
18145 (expand_omp_for_static_chunk): Likewise.
18146 (expand_omp_for): Likewise.
18147 (expand_omp_sections): Likewise.
18148 (remove_exit_barriers): New.
18149 (expand_omp_synch): New.
18151 (build_omp_regions_1): New.
18152 (build_omp_regions): New.
18153 (execute_expand_omp): New.
18154 (gate_expand_omp): New.
18155 (pass_expand_omp): Define.
18156 (lower_omp_sections): Rename from expand_omp_sections.
18157 Set OMP_SECTIONS_SECTIONS.
18158 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18159 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18160 (lower_omp_single): Rename from expand_omp_simple.
18161 (lower_omp_master): Rename from expand_omp_master.
18162 (lower_omp_ordered): Rename from expand_omp_ordered.
18163 (lower_omp_critical): Rename from expand_omp_critical.
18164 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18165 (lower_omp_for): Re-implement.
18166 (lower_omp_parallel): Re-implement.
18167 (lower_regimplify): Rename from expand_regimplify.
18168 (lower_omp_1): Rename from expand_omp_1.
18169 If there are syntax errors in the program, replace every
18170 OpenMP directive with NOP.
18171 Call lower_omp_* instead of expand_omp_*.
18172 (lower_omp): Rename from expand_omp.
18174 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18175 * tree-gimple.h (enum omp_parallel_type): Remove.
18176 (gimple_boolify): Declare extern.
18177 (find_omp_clause, determine_parallel_type): Remove.
18179 * gimple-low.c (lower_omp_directive): New.
18180 (lower_stmt): Call it.
18181 (record_vars_into): Move from ...
18182 (record_vars): ... here.
18183 Call record_vars_into with current_function_decl.
18185 * gimplify.c (struct gimplify_ctx): Remove fields
18186 combined_pre_p and combined_ctxp. Update users.
18187 (get_formal_tmp_var): Add documentation.
18188 (gimple_boolify): Make extern.
18189 (gimplify_expr_in_ctx): Remove. Update callers.
18190 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18191 will always be a BIND_EXPR.
18192 (gimplify_expr): Handle OMP_RETURN_EXPR.
18193 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18194 (OMP_PARALLEL): Add 3 operands.
18195 (OMP_SECTIONS): Add 1 operand.
18196 (OMP_RETURN_EXPR): Define.
18198 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18199 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18200 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18201 creating a circular free list.
18202 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18204 * tree-flow.h (move_sese_region_to_fn): Declare.
18205 (record_vars_into): Declare.
18206 * tree-cfg.c (make_omp_sections_edges): New.
18207 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18208 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18209 OMP_SECTIONS and OMP_SECTION.
18210 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18211 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18212 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18213 (gather_blocks_in_sese_region): New.
18214 (struct move_stmt_d): Declare.
18215 (move_stmt_r): New.
18216 (move_block_to_fn): New.
18217 (move_sese_region_to_fn): New.
18219 * passes.c (init_optimization_passes): Schedule
18220 pass_expand_omp after pass_init_datastructures.
18222 * tree-ssa-operands.c (get_expr_operands): Handle
18223 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18224 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18226 2006-01-19 Jeff Law <law@redhat.com>
18228 * tree-vrp.c (extract_range_from_assert): Refine the result range
18229 if the variable referenced by the ASSERT_EXPR has a range and
18230 either the tentative result range or the previous range is a
18233 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18235 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18237 2006-01-19 Jan Hubicka <jh@suse.cz>
18239 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18241 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18243 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18244 (expand_compound_operation, expand_field_assignment): Fail if the
18245 bit lengths of an extract operation are out of range.
18246 (make_extraction): Compute wanted_inner_mode based on the position
18247 and length of the extraction. Make it extraction_mode for non-constant
18248 positions, and do not modify offset in that case. When generating a
18249 new MEM, use a mode that can hold the extraction while keeping correct
18250 alignment. Remove code that supported MEMs wrapped by USEs.
18251 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18253 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18255 * config/s390/s390.md ("Y", "y"): New mode attribute.
18256 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18257 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18258 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18259 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18260 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18261 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18262 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18263 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18264 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18265 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18266 "addsi3", "subsi3"): Insn patterns removed.
18267 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18268 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18269 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18270 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18271 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18272 "*sub<mode>3_cconly2"): New insn patterns.
18273 ("addsi3", "subsi3"): New expanders.
18275 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18277 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18278 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18279 existing STMT_VINFO_VECTYPE if available.
18280 (vect_mark_relevant): Add special handling for stmts that are
18281 marked as STMT_VINFO_IN_PATTERN_P.
18282 (vect_analyze_loop): Call vect_pattern_recog.
18283 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18284 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18286 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18287 (vect_recog_func_ptr): New function-pointer type.
18288 * tree-vect-patterns.c: New file.
18289 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18290 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18291 (vect_pattern_recog_1): New functions.
18292 (vect_pattern_recog_funcs): New array of function pointers.
18294 * tree-vectorizer.h (ternary_op): New enum value.
18295 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18296 declaration. Revised documentation. Removed redundant dump prints.
18297 Removed redundant argument. Added support for reduction patterns.
18298 (vectorizable_reduction): Added support for reduction patterns.
18299 (vect_transform_stmt): Added support for patterns.
18301 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18302 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18303 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18304 (expand_widen_pattern_expr): New function.
18305 (init_optabs): Initialize new optabs udot_prod_optab,
18307 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18308 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18309 (expand_widen_pattern_expr): New function declaration.
18310 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18312 * tree-inline.c (estimate_num_insns_1): Added cases for new
18313 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18314 * tree-pretty-print.c (dump_generic_node): Likewise.
18315 (op_prio): Likewise.
18316 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18317 * tree-ssa-operands.c (get_expr_operands): Added case for
18319 * tree-vect-patterns.c (widened_name_p): New function.
18320 (vect_recog_dot_prod_pattern): Added function implementation.
18321 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18322 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18323 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18324 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18326 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18327 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18328 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18329 (init_optabs): Initialize new optabs widen_ssum_optab,
18331 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18332 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18333 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18334 use instead of type of def.
18335 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18336 function implementation.
18337 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18338 widen_ssumv8hi): New.
18340 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18343 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18346 * c-decl.c (add_flexible_array_elts_to_size): New function.
18347 (finish_decl): Use it.
18349 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18351 * diagnostic.h: Include options.h.
18352 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18353 dependancies for diagnostic.h.
18354 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18356 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18358 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18359 (ssa_ro_call_cache_valid): Ditto.
18360 * tree-ssa-alias.c (sort_tags_by_id): New function.
18361 (init_transitive_clobber_worklist): Ditto.
18362 (add_to_worklist): Ditto.
18363 (mark_aliases_call_clobbered): Ditto.
18364 (compute_tag_properties): Ditto.
18365 (set_initial_properties): Ditto.
18366 (compute_call_clobbered): Ditto.
18367 (compute_may_aliases): Call compute_call_clobbered and grouping.
18368 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18369 (compute_flow_insensitive_aliasing): Grouping now happens in our
18371 (setup_pointers_and_addressables): Remove clobbering related code.
18372 (add_may_alias): Ditto.
18373 (replace_may_alias): Ditto.
18374 (get_nmt_for): Ditto.
18375 (create_global_var):
18376 (is_escape_site): Return an escape_type enumeration.
18377 * tree-flow-inline.h (is_call_clobbered): Global var does not
18378 imply call clobbered.
18379 (mark_call_clobbered): Take a reason for marking this. Remove
18380 marking of globalness, and cache invalidation.
18381 (clear_call_clobbered): Remove cache invalidation code.
18382 * tree-dfa.c (dump_variable): If details is on, dump the reason
18384 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18386 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18387 (struct var_ann_d): Ditto.
18388 (enum escape_type): New.
18389 (mark_call_clobbered): Adjust prototype.
18390 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18391 are never call clobbered.
18392 Record reasons for escaping.
18393 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18394 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18395 (ssa_ro_call_cache_valid): Ditto.
18396 (clobbered_v_may_defs): Ditto.
18397 (clobbered_vuses): Ditto.
18398 (ro_call_vuses): Ditto.
18399 (clobber_stats): New.
18400 (init_ssa_operands): Zero out clobber stats.
18401 (fini_ssa_operands): Print out clobber stats.
18402 (get_call_expr_operands): Pass callee fndecl to
18403 add_call_read_ops).
18404 (add_call_clobber_ops): Remove use of cache.
18405 Add use of PURE_CONST information.
18406 (add_call_read_ops): Remove use of cache.
18407 Add use of static not_read information.
18409 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18411 Introduce TLS descriptors for i386 and x86_64.
18412 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18413 (TARGET_ANY_GNU_TLS): New macro.
18414 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18415 (struct machine_function): Add tls_descriptor_call_expanded_p.
18416 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18417 (ix86_current_function_calls_tls_descriptor): Likewise.
18418 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18419 (override_options): Introduce gnu2 tls dialect.
18420 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18422 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18424 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18425 (ix86_init_machine_status): Initialize new field.
18426 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18427 (ix86_tls_module_base): New.
18428 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18429 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18430 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18431 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18432 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18433 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18434 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18435 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18436 * config/i386/predicates.md (tls_modbase_operand): New.
18437 (tp_or_register_operand): New.
18439 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18441 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18442 (look_for_address_of): Ditto.
18443 (ipa_init): Walk the function decls.
18444 (static_execute): Don't set readonly on FUNCTION_DECL's.
18446 2006-01-18 Roger Sayle <roger@eyesopen.com>
18448 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18449 for shifts where the source and destination registers are different.
18451 2006-01-18 Paul Brook <paul@codesourcery.com>
18453 Merge from csl-arm-branch.
18454 2005-03-14 Julian Brown <julian@codesourcery.com>
18455 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18456 (aeabi_llsl): Likewise.
18457 (ashrdi3): Likewise.
18458 (aeabi_lasr): Likewise.
18459 (lshrdi3): Likewise.
18460 (aeabi_llsr): Likewise.
18461 2005-03-10 Julian Brown <julian@codesourcery.com>
18462 * config.gcc: Disable shared libgcc for SymbianOS.
18463 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18465 2006-01-18 DJ Delorie <dj@redhat.com>
18467 * c-pragma.c (handle_pragma_diagnostic): New.
18468 (init_pragma): Register it.
18469 * doc/extend.texi: Document it.
18471 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18472 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18473 (diagnostic_context): Add classify_diagnostic[].
18474 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18475 as errors if they're overridden to DK_WARNING.
18476 (diagnostic_initialize): Initialize classify_diagnostic[].
18477 (diagnostic_set_kind_override): New.
18478 (diagnostic_report_diagnostic): Check for kind changes.
18479 * opts.c (common_handle_option): Take lang_mask. Update callers.
18480 Handle OPT_Werror_.
18481 * common.opt (Werror=): New.
18482 * doc/invoke.texi: Document -Werror=*
18484 2006-01-18 Jeff Law <law@redhat.com>
18486 * tree-vrp.c (test_for_singularity): Correct test for new
18487 min limit. Use operand_equal_p rather than pointer equality
18488 for testing if new min/max values are equal.
18490 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18491 using range information until after propagation and folding.
18493 2006-01-18 Richard Henderson <rth@redhat.com>
18494 Aldy Hernandez <aldyh@redhat.com>
18495 Jakub Jelinek <jakub@redhat.com>
18496 Diego Novillo <dnovillo@redhat.com>
18498 * omp-low.c: New file.
18499 * c-omp.c: New file.
18501 2006-01-18 Richard Henderson <rth@redhat.com>
18502 Jakub Jelinek <jakub@redhat.com>
18503 Diego Novillo <dnovillo@redhat.com>
18505 * doc/invoke.texi: Document -fopenmp.
18506 * tree-dump.h (debug_function): Declare.
18507 * hooks.c (hook_bool_tree_bool_false): New function.
18508 (hook_tree_tree_null): Remove.
18509 (hook_tree_tree_tree_null): New.
18510 * hooks.h: Update to match.
18511 * tree-pretty-print.c (debug_tree_chain): New.
18512 (print_generic_expr): Handle TDF_CHAIN.
18513 (dump_generic_node): Handle BLOCK.
18514 Do not abort with incomplete SWITCH_EXPRs.
18515 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18516 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18517 print space after directive name.
18518 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18519 Handle OMP_MASTER and OMP_ORDERED.
18520 Handle printing of OMP_BODY just in one place, goto
18521 dump_omp_body in the rest of OMP_* nodes that have
18523 Don't handle clause nodes here. Update omp statements to
18524 use dump_omp_clauses.
18525 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18526 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18527 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18528 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18529 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18530 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18531 Adjust output for GOMP_PARALLEL.
18532 (dump_omp_clauses): New.
18533 (print_declaration): Dump DECL_VALUE_EXPR.
18534 (op_symbol_1): Split out of op_symbol.
18535 (dumping_stmts): Remove. Update all users.
18536 * cgraph.c (cgraph_analyze_queue): New.
18537 (cgraph_add_new_function): New.
18538 * cgraph.h (cgraph_analyze_queue): Declare.
18539 (cgraph_add_new_function): Declare.
18540 (cgraph_lower_function): Remove.
18541 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18542 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18543 and TYPE_P nodes in its default clause.
18544 (empty_body_p): New.
18545 (tree_range_check_failed): New.
18546 (build5_stat): New.
18547 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18548 OMP_CLAUSE_REDUCTION_MERGE,
18549 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18550 OMP_CLAUSE_PRIVATE_DEBUG,
18551 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18552 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18553 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18554 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18555 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18556 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18557 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18558 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18559 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18560 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18561 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18562 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18563 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18564 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18565 (TREE_RANGE_CHECK): New.
18566 (empty_body_p): Declare.
18567 (enum omp_clause_default_kind): New.
18568 (build_string_literal): Declare.
18569 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18570 (build5_stat, build5): Declare.
18571 * tree-pass.h (TDF_CHAIN): Define.
18572 * tree-pass.h (PROP_gimple_lomp): Define.
18573 (pass_lower_omp): Declare.
18574 * diagnostic.h (debug_tree_chain): Declare.
18575 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18577 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18578 * builtins.c (build_string_literal): Make extern.
18579 * gcc.c (include_spec_function): New.
18580 (static_spec_functions): Add it.
18581 (main): Move load of libgomp.spec ...
18582 (LINK_COMMAND_SPEC): ... here.
18583 (link_gomp_spec): New.
18584 (static_specs): Include it.
18585 (LINK_COMMAND_SPEC): Add link_gomp.
18586 (GOMP_SELF_SPECS): New.
18587 (driver_self_specs): Include it.
18588 (switch_matches): Don't mark inline.
18589 (main): Load libgomp.spec.
18590 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18591 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18592 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18593 * tree-gimple.h (enum omp_parallel): Declare.
18594 (determine_parallel_type): Declare.
18595 (omp_firstprivatize_variable): Declare.
18596 (omp_reduction_init): Declare.
18597 (diagnose_omp_structured_block_errors): Declare.
18598 (struct walk_stmt_info): Add want_return_expr.
18599 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18600 (find_omp_clause): Declare.
18601 (insert_field_into_struct): Declare.
18602 (struct walk_stmt_info): Move from tree-nested.c
18603 (walk_stmts): Declare.
18604 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18606 * cgraphunit.c (cgraph_lower_function): Make static.
18607 (cgraph_finalize_pending_functions): New.
18608 (cgraph_finalize_function): Call it.
18609 (cgraph_finalize_compilation_unit): Likewise.
18610 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18611 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18612 (BT_FN_UINT_UINT): New.
18613 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18614 DEF_FUNCTION_TYPE_VAR_4): Document.
18615 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18616 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18617 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18618 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18619 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18620 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18621 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18622 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18623 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18624 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18625 into separate files.
18626 (DEF_GOMP_BUILTIN): New.
18627 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18628 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18629 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18630 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18631 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18632 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18633 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18634 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18635 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18636 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18637 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18638 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18639 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18640 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18641 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18642 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18643 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18644 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18645 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18646 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18647 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18648 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18649 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18650 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18651 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18652 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18653 * sync-builtins.def: New file, moved from builtins.def.
18654 * omp-builtins.def: New file, moved from builtins.def.
18655 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18656 * gimple-low.c (lower_function_body): Clear data.
18657 (lower_stmt): Do not handle COMPOUND_EXPR.
18658 Remove call to print_node_brief.
18659 * c-tree.h (c_finish_omp_clauses): New prototype.
18660 (C_DECL_THREADPRIVATE_P): Define.
18661 (lookup_name_no_remap, c_omp_remap_private): Remove
18662 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18663 (check_for_loop_decls): Update decl.
18664 (lookup_name_no_remap, c_omp_remap_private): Declare.
18665 (build_indirect_ref, build_modify_expr, pushdecl,
18666 pushdecl_top_level): Move to c-common.h.
18667 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18668 before the switch, but just in the 2 places that need it.
18669 * c-decl.c (diagnose_mismatched_decls): Do not check for
18670 mismatched thread-local attributes when OLDDECL is marked
18671 threadprivate and NEWDECL has no thread-local attributes.
18672 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18673 (c_gimple_diagnostics_recursively): Rename from
18674 c_warn_unused_result_recursively. Invoke
18675 diagnose_omp_structured_block_errors.
18676 (check_for_loop_decls): Return a singular decl found.
18677 * langhooks.c (lhd_omp_predetermined_sharing): Return
18678 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18679 (lhd_omp_firstprivatize_type_sizes): New.
18680 (lhd_omp_assignment): New.
18681 (lhd_omp_predetermined_sharing): New.
18682 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18683 (struct lang_hooks_for_types): Add
18684 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18685 omp_predetermined_sharing, omp_disregard_value_expr,
18686 omp_private_debug_clause, omp_clause_default_ctor,
18687 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18688 (c_finish_omp_clauses): New.
18689 (c_finish_bc_stmt): Diagnose break within omp for.
18690 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18691 (build_unary_op): Return error_mark after reporting
18693 (build_modify_expr): Likewise.
18694 * gimplify.c: Include optabs.h and pointer-set.h.
18695 (enum gimplify_omp_var_data): Declare.
18696 (struct gimplify_omp_ctx): Declare.
18697 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18699 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18700 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18701 (splay_tree_compare_decl_uid): New.
18702 (new_omp_context): New.
18703 (delete_omp_context): New.
18704 (gimple_add_tmp_var): Call omp_add_variable.
18705 (gimplify_bind_expr): Likewise.
18706 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18707 true, disregard DECL_VALUE_EXPR on the decl if any.
18708 (gimplify_expr_in_ctx): New.
18709 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18710 omp_add_variable, omp_notice_variable, omp_is_private
18711 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18712 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18713 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18714 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18715 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18716 gimplify_omp_atomic): New.
18717 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18718 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18719 OMP_CRITICAL and OMP_ATOMIC.
18720 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18721 * c-pragma.h (enum pragma_kind): Add
18722 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18723 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18724 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18725 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18726 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18727 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18728 PRAGMA_OMP_THREADPRIVATE.
18729 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18730 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18731 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18732 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18733 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18734 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18735 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18736 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18737 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18738 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18739 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18740 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18741 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18743 (struct nesting_info): Add field_map,
18744 suppress_expansion, debug_var_chain.
18745 (create_nesting_tree): Initialize them.
18746 (lookup_field_for_decl): Use field_map.
18747 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18748 (convert_local_omp_clauses): New.
18749 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18750 (walk_body): Split out of walk_function.
18751 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18752 (convert_nonlocal_reference): Handle omp statements.
18753 (convert_local_reference): Likewise.
18754 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18755 (unnest_nesting_tree): New.
18756 (lower_nested_functions): Call it.
18757 (insert_field_into_struct): Make extern.
18758 (struct walk_stmt_info): Move to tree-gimple.h.
18759 (walk_stmts): Make extern.
18760 * omp-builtins.def: New file.
18761 * tree-iterator.c (expr_only): Clarify comment.
18762 * c-common.h (pushdecl_top_level, pushdecl,
18763 build_modify_expr, build_indirect_ref,
18764 c_finish_omp_master, c_finish_omp_critical,
18765 c_finish_omp_ordered, c_finish_omp_barrier,
18766 c_finish_omp_atomic, c_finish_omp_flush,
18767 c_finish_omp_for, c_split_parallel_clauses,
18768 omp_clause_default_kind, c_omp_sharing_predetermined,
18769 c_omp_remap_decl): Declare.
18770 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18771 (OBJS-common): Add omp-low.o.
18772 (c-omp.o, omp-low.o): Add.
18773 (gimplify.o): Add dependency on $(OPTABS_H).
18774 (GTFILES): Add omp-low.c.
18775 (gt-stringpool.h): Add.
18776 * tree-cfg.c (set_bb_for_stmt): Do not update the
18777 block-to-labels map if we are currently expanding to RTL.
18778 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18780 Handle IDENTIFIER_NODE.
18781 (tree_verify_flow_info): Do not ICE when emitting error
18782 messages about invalid labels.
18783 (dump_function_to_file): Reset CFUN before emitting the body
18785 (debug_function): New.
18786 * passes.c (init_optimization_passes): Schedule
18788 * langhooks-def.h (lhd_omp_predetermined_sharing,
18789 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18791 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18792 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18793 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18794 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18795 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18796 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18797 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18798 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18799 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18800 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18801 (LANG_HOOK_DECLS): Use them.
18803 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18804 Richard Henderson <rth@redhat.com>
18805 Jakub Jelinek <jakub@redhat.com>
18806 Diego Novillo <dnovillo@redhat.com>
18808 * c-parser.c (pragma_omp_clause): Define.
18809 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18810 (c_parser_compound_statement): Likewise.
18811 (c_parser_statement): Likewise.
18812 (c_parser_pragma): Handle omp pragmas.
18813 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18814 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18815 (c_parser_omp_clause_name, check_no_duplicate_clause,
18816 c_parser_omp_variable_list,
18817 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18818 c_parser_omp_clause_copyprivate,
18819 c_parser_omp_clause_default,
18820 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18821 c_parser_omp_clause_lastprivate,
18822 c_parser_omp_clause_nowait,
18823 c_parser_omp_clause_num_threads,
18824 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18825 c_parser_omp_clause_reduction,
18826 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18827 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18828 c_parser_omp_atomic, c_parser_omp_barrier,
18829 c_parser_omp_critical, c_parser_omp_flush,
18830 c_parser_omp_for_loop, c_parser_omp_for,
18831 c_parser_omp_master, c_parser_omp_ordered,
18832 c_parser_omp_sections_scope, c_parser_omp_sections,
18833 c_parser_omp_parallel, c_parser_omp_single,
18834 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18835 * c-pragma.c (init_pragma): Do omp pragma registration here.
18836 * c.opt (fopenmp): New flag.
18838 2006-01-18 Eric Christopher <echristo@apple.com>
18840 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18841 * config/darwin.h (GOMP_SELF_SPECS): Define.
18843 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18845 * rtl.h: Remove the prototype for reg_alloc.
18847 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18850 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18851 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18852 sjlj and dwarf2 exception handling.
18853 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18854 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18855 * pa/pa.c (function_value): Treat complex and vector types as
18857 (function_arg): Likewise. Only pass scalar floats in the floating
18858 point argument registers.
18859 * pa/t-slibgcc-dwarf-ver: New file.
18860 * pa/t-slibgcc-sjlj-ver: New file.
18861 * pa/t-slibgcc-elf-ver: Delete file.
18863 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18865 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18866 unlikely_test_section_p test.
18868 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18870 * mode-switching.c (optimize_mode_switching): Make it static.
18871 * basic-block.h: Remove the prototype for
18872 optimize_mode_switching.
18874 * modulo-sched.c (sms_schedule): Make it static.
18875 * rtl.h: Remove the prototype for sms_schedule.
18877 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18878 * rtl.h: Remove the prototype for gcse_after_reload_main.
18880 * reg-stack.c (reg_to_stack): Make it static.
18881 * rtl.h: Remove the prototype for reg_to_stack.
18883 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18885 * rtl.h: Remove the prototypes for regrename_optimize and
18886 copyprop_hardreg_forward.
18888 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18890 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18891 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18892 Test against the appropriate null constant for the mode.
18893 If 'fixup_overlap' is true, swap the operands if they overlap.
18894 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18895 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18896 alpha_split_tmode_pair and adjust for above change.
18897 * config/alpha/alpha.md (movtf_internal): Adjust call to
18898 alpha_split_tfmode_pair and rely on it to swap the operands.
18899 (movti_internal): New insn and post-reload splitter.
18900 (movti): New expander.
18902 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18904 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18907 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18909 * rtlanal.c (global_reg_mentioned_p_1,
18910 global_reg_mentioned_p): Remove.
18911 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18913 * flow.c (initialize_uninitialized_subregs): Make it static.
18914 * rtl.h: Remove the prototype for
18915 initialize_uninitialized_subregs.
18917 * function.c (instantiate_virtual_regs): Make it static.
18918 * function.h: Remove the prototype for
18919 instantiate_virtual_regs.
18921 * regmove.c (regmove_optimize, combine_stack_adjustments):
18923 * rtl.h: Remove the prototypes for regmove_optimize and
18924 combine_stack_adjustments.
18926 2006-01-17 Roger Sayle <roger@eyesopen.com>
18928 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18929 (size_cost): Encode costs in bytes so that a reg-reg addition is
18930 equivalent to COSTS_N_INSNS(1).
18931 (override_options): Use the size_cost.branch_cost as the default
18932 ix86_branch_cost when optimizing for size.
18934 2006-01-18 Ben Elliston <bje@au.ibm.com>
18936 * Makefile.in (D32PBIT_FUNCS): New.
18937 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18938 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18939 D64PBIT_FUNCS and D128PBIT_FUNCS.
18940 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18941 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18943 (decnumber_dep): Define.
18944 * doc/libgcc.texi (Decimal float library routines): New node.
18945 * config/dfp-bit.h, config/dfp-bit.c: New files.
18947 2006-01-18 Ben Elliston <bje@au.ibm.com>
18949 * expr.c (emit_move_change_mode): Always adjust addresses, not
18950 just during reload. Copy replacements only during reload.
18951 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18952 emit_move_via_integer.
18954 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18956 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18957 instead of $(srcdir) and ${srcdir}.
18959 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18962 PR middle-end/11135
18963 * arm.h (struct machine_function): Add pic_reg.
18964 * arm.c (arm_pic_register): Make unsigned.
18965 (arm_override_options): Only set arm_pic_register if
18966 TARGET_SINGLE_PIC_BASE.
18967 (use_return_insn): Only test for a pic register if it is fixed.
18968 (arm_compute_save_reg0_reg12_mask): Likewise.
18969 (thumb_compute_save_reg_mask): Likewise.
18970 (legitimate_pic_operand): Factor out some known invariants.
18971 (legitimize_pic_address): If we don't have a fixed pic register,
18972 then set up a pseudo in the function entry sequence. Handle the
18973 pic base being in a pseudo.
18974 (arm_load_pic_register): Handle the pic register being in a pseudo.
18975 (arm_expand_prologue): Only set up the pic register if it is fixed.
18976 (thumb_expand_prologue): Likewise.
18977 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18978 (pic_load_addr_based_insn): Likewise.
18979 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18982 2006-01-18 Ben Elliston <bje@au.ibm.com>
18984 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18985 decimal float modes for all floating point registers.
18987 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18988 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18990 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18993 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18994 even when the pointer is not NULL.
18996 2006-01-16 Ian Lance Taylor <ian@airs.com>
18998 * common.opt (ftoplevel-reorder): New option.
18999 * cgraph.c (cgraph_asm_nodes): New global variable.
19000 (cgraph_asm_last_node): New static variable.
19001 (cgraph_order): New global variable.
19002 (cgraph_create_node): Set new order field.
19003 (cgraph_varpool_node): Likewise.
19004 (decide_is_variable_needed): Return true if not
19005 flag_toplevel_reorder.
19006 (cgraph_add_asm_node): New function.
19007 * cgraph.h (struct cgraph_node): Add order field.
19008 (struct cgraph_varpool_node): Add order field.
19009 (struct cgraph_asm_node): Define.
19010 (cgraph_asm_nodes, cgraph_order): Declare.
19011 (cgraph_add_asm_node): Declare.
19012 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19014 (cgraph_varpool_assemble_pending_decls): Call it.
19015 (cgraph_output_pending_asms): New static function.
19016 (cgraph_finalize_compilation_unit): Call it.
19017 (struct cgraph_order_sort): Define.
19018 (cgraph_output_in_order): New static function.
19019 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19020 !flag_toplevel_reorder case.
19021 * c-parser.c: Include "cgraph.h".
19022 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19024 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19025 than -fno-unit-at-a-time.
19026 * doc/invoke.texi (Option Summary): Mention
19027 -fno-toplevel-reorder.
19028 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19029 -funit-at-a-time documentation.
19031 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19032 Kazu Hirata <kazu@codesourcery.com>
19034 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19036 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19038 * Makefile.in (FUNCTION_H): New. Use it instead of
19039 function.h throughout the file.
19040 * function.h: Include tree.h.
19042 2006-01-17 Ben Elliston <bje@au.ibm.com>
19044 * recog.c: Separate some functions with whitespace.
19046 2006-01-16 Richard Henderson <rth@redhat.com>
19048 Merge from gomp branch:
19049 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19050 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19051 and rename from struct inline_data. Rename callee* to dst*;
19052 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19053 transform_new_cfg, transform_return_to_modify, and
19054 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19056 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19057 (copy_decl_for_dup): Remove.
19058 * tree-inline.c (struct inline_data): Move to header.
19059 (insert_decl_map): Export.
19060 (remap_decl): Update for member name changes. Use copy_decl hook.
19061 Allow for replacement to be a non-decl. Remove dead code.
19062 (remap_type_1): Check for existing mapping.
19063 (remap_type): Export.
19064 (remap_decls): Update for member name changes.
19065 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19066 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19067 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19068 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19069 (tree_function_versioning, build_duplicate_type): Likewise.
19070 (copy_body_r): Likewise. Export.
19071 (copy_decl_for_dup): Split into ...
19072 (copy_decl_for_dup_finish, copy_decl_to_var,
19073 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19074 (replace_ref_tree, inlining_p): Remove.
19076 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19078 * ifcvt.c (if_convert): Make it static.
19079 * rtl.h: Remove the prototype for if_convert.
19081 * local-alloc.c (local_alloc): Make it static.
19082 * rtl.h: Remove the prototype for local_alloc.
19084 * loop.c (loop_optimize): Make it static.
19085 * cfgloop.h: Remove the prototype for loop_optimize.
19088 2006-01-16 DJ Delorie <dj@redhat.com>
19090 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19093 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19095 * pa.md: Disparage copies between general and floating-point registers
19096 in 32-bit move patterns.
19098 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19101 * Makefile.in (check-%): Depend on site.exp instead of
19102 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19105 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19107 * global.c (global_alloc): Make it static.
19108 * rtl.h: Remove the prototype for global_alloc.
19110 2006-01-16 Richard Guenther <rguenther@suse.de>
19112 * tree-ssa-alias.c (struct used_part): Add write_only field.
19113 (get_or_create_used_part_for): Initialize it to true.
19114 (create_overlap_variables_for): Don't create structure variables
19115 for structures that only are written to.
19116 (find_used_portions): Handle MODIFY_EXPR to track whether a
19117 structure is only written to.
19119 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19121 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19123 * basic-block.h: Remove the prototype for
19124 partition_hot_cold_basic_blocks.
19126 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19128 * cppspec.c (lang_specific_spec_functions): Remove.
19129 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19130 * gcc.h (lang_specific_spec_functions): Remove.
19131 * gccspec.c (lang_specific_spec_functions): Remove.
19133 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19135 * combine.c (record_value_for_reg): Invalidate registers
19137 (record_dead_and_set_regs_1): Likewise, by passing them to
19138 record_value_for_reg.
19139 (record_dead_and_set_regs): Invalidate stores made by a
19140 call. We do not combine across a call, but we still
19141 relied on equivalences.
19143 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19145 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19146 vrp_int_const_binop returning non-constant nodes.
19148 2006-01-16 Paul Brook <paul@codesourcery.com>
19150 * config/m68k/m68k.c (output_move_const_into_data_reg):
19151 Output correct mnemonic for mvz and mvs.
19153 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19155 * rtl-factoring.c: Add sequence abstraction algorithm.
19156 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19157 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19159 (block_has_preserve_label): New function.
19160 * common.opt: Register new pass.
19161 * Makefile.in: Ditto.
19163 * timevar.def: Ditto.
19164 * tree-pass.h: Ditto.
19165 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19166 * rtl.h (make_jump_insn_raw): Add forward decl.
19167 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19169 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19170 Roger Sayle <roger@eyesopen.com>
19172 * fold-const.c (fold_minmax): New static function.
19173 (fold_binary) <MIN_EXPR>: Call it.
19174 <MAX_EXPR>: Likewise.
19175 * stor-layout.c (place_field): Use DECL_SIZE consistently
19176 in the computation of the new record size.
19178 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19180 * cse.c (cse_condition_code_reg): Make it static.
19181 * rtl.h: Remove the prototype for cse_condition_code_reg.
19183 * combine.c (combine_instructions): Make it static.
19184 * rtl.h: Remove the prototype for combine_instructions.
19186 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19189 * tree.c (get_file_function_name_long): Concatenate the first global
19190 object name with a string derived from the input filename of the object
19193 2006-01-16 Ben Elliston <bje@au.ibm.com>
19195 * config/i386/winnt-stubs.c: Update FSF address.
19196 * config/xtensa/ieee754-df.S: Ditto.
19197 * config/xtensa/ieee754-sf.S: Ditto.
19199 2006-01-14 Ian Lance Taylor <ian@airs.com>
19201 * ifcvt.c (noce_init_if_info): New static function, broken out of
19202 noce_process_if_block.
19203 (noce_process_if_block): Call noce_init_if_info.
19204 (check_cond_move_block): New static function.
19205 (cond_move_process_if_block): New static function.
19206 (process_if_block): Call cond_move_process_if_block.
19208 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19210 * cselib.c (hash_table): Rename to cselib_hash_table.
19211 (cselib_clear_table, discard_useless_values,
19212 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19213 cselib_init, cselib_finish): Adjust uses of hash_table.
19215 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19217 PR tree-optimization/25485
19218 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19219 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19220 is known to be false and true, respectively.
19222 2006-01-14 Richard Guenther <rguenther@suse.de>
19224 PR tree-optimization/22548
19225 PR tree-optimization/22555
19226 PR tree-optimization/22501
19227 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19228 * params.def (salias-max-array-elements): New parameter.
19229 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19230 * doc/invoke.texi (salias-max-array-elements): Document.
19231 * tree-flow-inline.h (var_can_have_subvars): We also handle
19233 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19235 * tree-ssa-structalias.c (params.h): Include.
19236 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19237 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19238 (get_constraint_for): For ADDR_EXPR operating on something
19239 containing an ARRAY_REF, add all subvars to the solution.
19240 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19241 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19242 for creating MUST_DEFs.
19243 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19245 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19247 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19249 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19250 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19251 number_of_iterations_le): New functions.
19252 (number_of_iterations_special): Removed.
19253 (number_of_iterations_exit): Do not use number_of_iterations_special.
19254 * tree.c (unsigned_type_for): Always return integer type.
19256 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19257 Richard Guenther <rguenther@suse.de>
19259 PR rtl-optimization/24257
19260 * gcse.c (find_moveable_store): Only consider a store movable
19261 when the SET_SRC of the insn can be assigned to a register.
19263 2006-01-14 Ian Lance Taylor <ian@airs.com>
19265 * tree.c (tree_not_class_check_failed): New function.
19266 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19267 (tree_not_class_check_failed): Declare.
19269 2006-01-13 Ian Lance Taylor <ian@airs.com>
19271 * reload1.c (do_output_reload): Add assertion rejecting a
19274 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19276 * combine.c (struct reg_stat): Add new fields truncation_label and
19278 (record_value_for_reg): Reset truncated_to_mode.
19279 (record_truncated_value): New function.
19280 (check_promoted_subreg): Call it. Rename to check_conversions.
19281 (combine_instructions): Rename check_promoted_subreg to
19283 (reg_truncated_to_mode): New function.
19284 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19285 (gen_lowpart_or_truncate): New function.
19286 (force_to_mode): Use it instead of gen_lowpart.
19288 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19290 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19291 VAR is a tag, not its type tag.
19293 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19295 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19296 alternatives to match style of other entries.
19297 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19299 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19301 PR tree-optimization/25771
19302 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19305 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19308 * tree-inline.c (declare_return_variable): If the return variable
19309 was marked as a non gimple complex, set the return slot variable
19310 to be a non gimple comple variable.
19312 2006-01-13 Richard Guenther <rguenther@suse.de>
19314 * builtins.c (expand_builtin_sincos): New function.
19315 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19317 (expand_builtin): Expand sincos using expand_builtin_sincos.
19319 2006-01-12 DJ Delorie <dj@redhat.com>
19321 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19322 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19323 so that constant shifts can be split.
19324 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19325 (m32c_valid_pointer_mode): Make static.
19326 (shift_gen_func_for): New.
19327 (m32c_prepare_shift): Use it. Split large const shifts into
19329 * config/m32c/predicates.md (shiftcount_operand): Allow more
19331 (longshiftcount_operand): New.
19332 * doc/md.texi (Machine Constraints): Document In6.
19334 2006-01-13 Ben Elliston <bje@au.ibm.com>
19336 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19337 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19340 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19342 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19343 to try to avoid clobbering pieces of structures when we know
19344 something about the whole structure.
19345 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19347 2006-01-13 Ben Elliston <bje@au.ibm.com>
19349 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19350 return in memory, as this is no limitation is no longer present.
19352 2006-01-12 DJ Delorie <dj@redhat.com>
19354 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19355 mova with fb, and for fb+0 -> An.
19357 * config/m32c/mov.md (peephole2): Fix enabling logic.
19359 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19360 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19361 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19362 FINI_ARRAY_SECTION_ASM_OP): Define.
19364 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19366 (m32c_legitimize_reload_address): New logic to reload FB to An.
19367 (m32c_output_reg_push): Add newline.
19368 (m32c_output_reg_pop): Likewise.
19370 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19372 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19374 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19376 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19378 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19380 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19383 2006-01-11 Ben Elliston <bje@au.ibm.com>
19385 * rtlanal.c (find_reg_note): Assert insn is not null.
19387 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19389 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19392 2006-01-11 Jeff Law <law@redhat.com>
19394 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19396 (mark_threaded_blocks, register_jump_thread): New functions.
19397 (thread_through_all_blocks): Remove unwanted argument. No
19398 longer rely on e->aux to communicate thread target info.
19399 Call mark_threaded_blocks. Release the threaded_blocks
19400 bitmap and threaded_edges vector when complete.
19401 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19402 (threaded_blocks): Remove.
19403 (tree_ssa_dominator_optimize): Remove initialization and
19404 finalization of threaded_blocks. Simplify call to
19405 thread_through_all_blocks.
19406 (thread_across_edge): Call register_jump_thread rather than
19407 storing thread information into e->aux.
19408 (free_all_edge_infos): Simplify now that e->aux is no longer
19409 used to communicate with thread_through_all_blocks.
19410 * tree-flow.h (thread_through_all_blocks): Update prototype.
19411 (register_jump_thread): Prototype.
19413 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19415 * df-core.c (df_compact_blocks, df_bb_replace): Use
19416 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19418 2006-01-11 Richard Guenther <rguenther@suse.de>
19420 PR tree-optimization/25734
19421 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19422 stop propagation after successful propagation to the LHS.
19424 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19426 * basic-block.h (control_flow_graph): Change the type of
19427 x_basic_block_info to VEC(basic_block,gc) *.
19428 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19430 (SET_BASIC_BLOCK): New.
19431 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19432 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19433 * cfgbuild.c (find_basic_blocks): Likewise.
19434 * cfglayout.c (fixup_reorder_chain): Likewise.
19435 * cfgrtl.c (create_basic_block_structure,
19436 rtl_create_basic_block): Likewise.
19437 * ifcvt.c (find_if_case_1): Likewise.
19438 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19441 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19443 * Makefile.in: Removed rotted odf.c entry.
19445 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19448 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19449 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19450 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19451 output pattern modifier, not %e.
19452 * config/cris/cris.c (cris_op_str): Update comment about pattern
19454 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19455 before falling through into...
19456 <case 'E'>: Redefined from old 'e' case.
19458 2006-01-11 Jan Hubicka <jh@suse.cz>
19461 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19463 2006-01-11 Jan Hubicka <jh@suse.cz>
19465 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19466 * i386.c (x86_decompose_lea): Kill.
19467 (ix86_rtx_costs): Kill.
19469 2006-01-11 Jan Hubicka <jh@suse.cz>
19471 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19472 * cgraph.h (cgraph_node): Add inline_decl.
19473 (cgraph_insert_node_to_hashtable): Declare.
19474 (save_inline_function_body): Declare.
19475 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19477 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19478 (cgraph_function_versioning): Update call of tree_function_versioning.
19479 (save_inline_function_body): New function.
19480 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19481 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19482 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19483 (cgraph_default_inline_p): Likewise.
19484 (cgraph_decide_inlining_incrementally): Likewise.
19485 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19486 (copy_bb): Kill saving; do updating of clones.
19487 (copy_cfg_body): Kill saving.
19488 (initialize_inlined-parameters): Likewise.
19489 (expand_call_inline): Likewise.
19491 (tree_function_versioning): New parameter "update_clones".
19492 (inlining_p): Kill saving.
19493 * tree-inline.h (tree_function_versioning): Update prototype.
19494 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19497 2006-01-11 Ian Lance Taylor <ian@airs.com>
19499 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19500 Allow undoing set of machine mode.
19501 (do_SUBST): Use enums instead of is_int.
19502 (do_SUBST_MODE): New function.
19503 (SUBST_MODE): New macro.
19504 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19505 reg and trying to replace reg_regno_rtx with a new register.
19506 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19507 (simplify_set): Use SUBST_MODE.
19508 (distribute_notes): Remove code that tried to update reg notes
19509 for regno_reg_rtx changes.
19511 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19513 PR tree-optimization/23109
19514 PR tree-optimization/23948
19515 PR tree-optimization/24123
19517 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19518 * tree-cfg.c (single_noncomplex_succ): New.
19519 * tree-flow.h (single_noncomplex_succ): Declare it.
19520 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19521 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19522 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19523 insert_bb, register_division_in, insert_reciprocals,
19524 replace_reciprocal, free_bb): New.
19525 (execute_cse_reciprocals_1): Rewritten.
19526 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19527 Do not commit any edge insertion. Always compute dominators and
19528 create the allocation pool.
19529 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19530 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19531 * targhooks.c (default_min_divistions_for_recip_mul): New.
19532 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19533 * passes.c (init_optimization_passes): Run recip after tree loop
19535 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19537 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19538 Kenneth Zadeck <zadeck@naturalbridge.com>
19540 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19541 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19542 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19543 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19544 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19545 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19546 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19547 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19548 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19549 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19550 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19551 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19552 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19553 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19554 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19555 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19556 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19557 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19558 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19559 DF_SCAN_POST_ALLOC): New macros.
19560 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19561 df_free_bb_function, df_local_compute_function, df_init_function,
19562 df_dataflow_function, df_confluence_function_0,
19563 df_confluence_function_n, df_transfer_function,
19564 df_finalizer_function, df_free_function, df_dump_problem_function,
19565 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19566 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19567 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19568 df_urec_bb_info, ) New types.
19569 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19571 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19572 df_analyze_simple_change_some_blocks,
19573 df_analyze_simple_change_one_block, df_compact_blocks,
19574 df_bb_replace, df_bb_regno_last_use_find,
19575 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19576 df_insn_regno_def_p, df_find_def, df_find_use,
19577 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19578 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19579 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19580 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19581 debug_df_chain, df_get_dependent_problem, df_chain_create,
19582 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19583 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19584 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19585 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19586 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19587 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19588 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19589 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19590 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19591 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19592 df_reorganize_refs, df_set_state, df_hard_reg_init,
19593 df_read_modify_subreg_p) New public functions.
19594 * df-core.c: The core dataflow solver and glue routines for rtl
19596 (df_init, df_add_problem, df_set_blocks, df_finish,
19597 df_hybrid_search_forward, df_hybrid_search_backward,
19598 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19599 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19600 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19601 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19602 df_reg_defined, df_find_use, df_reg_used, df_dump,
19603 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19604 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19605 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19606 debug_df_useno, reset_df_after_reload): New functions.
19607 * df-scan.c: The scanning fuctions, once in df.c, completely
19608 rewritten so that they now fully model the functionality of
19609 register usage at the backend.
19610 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19611 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19612 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19613 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19614 df_get_artificial_defs, df_get_artificial_uses,
19615 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19616 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19617 df_refs_delete, df_reorganize_refs, df_set_state,
19618 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19619 df_def_record_1, df_defs_record, df_uses_record,
19620 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19621 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19622 df_record_exit_block_uses, df_hard_reg_init): New functions.
19624 * df-problems.c: Seven concrete dataflow problems that use the
19625 scanning in df-scan.c and are solved by the engine in df-core.c.
19626 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19627 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19628 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19629 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19630 df_ru_free_bb_info, df_ru_alloc,
19631 df_ru_bb_local_compute_process_def,
19632 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19633 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19634 df_ru_transfer_function, df_ru_free, df_ru_dump,
19635 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19636 df_rd_free_bb_info, df_rd_alloc,
19637 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19638 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19639 df_rd_transfer_function, df_rd_free, df_rd_dump,
19640 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19641 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19642 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19643 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19644 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19645 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19646 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19647 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19648 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19649 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19650 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19651 df_urec_mark_reg_use_for_earlyclobber,
19652 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19653 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19654 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19655 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19656 df_chain_create_bb_process_use, df_chain_create_bb,
19657 df_chain_finalize, df_chain_free, df_chains_dump,
19658 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19659 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19660 df_reg_lifetime): New functions.
19661 * df.c: Deleted file.
19662 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19663 consistent with new df api.
19664 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19665 rest_of_handle_sms): Ditto.
19666 * web.c (unionfind_union, union_defs, entry_register, web_main):
19668 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19669 invariant_expr_equal_p, find_defs, check_dependencies,
19670 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19671 free_inv_motion_data, move_loop_invariants): Ditto.
19672 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19673 Update dependencies.
19674 (odf.c): Added defective entry that was deleted later in day.
19675 * sched-deps.c (sched_analyze_1): Ditto.
19677 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19679 * tree-ssa-operands.c (get_expr_operands): Record addressable
19680 variables directly. Do not call add_stmt_operands for CONST_DECLs
19682 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19683 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19685 2006-01-11 Ben Elliston <bje@au.ibm.com>
19687 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19688 function returns true in the positive case.
19690 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19693 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19694 for SI, DI, SF and DF modes. Add alternatives to copy between
19695 general and floating point registers to the 32-bit patterns.
19696 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19697 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19698 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19699 generating 64-bit code.
19700 * config/pa/pa.c (output_move_double): Handle copies between general
19701 and floating registers.
19703 2006-01-10 Stuart Hastings <stuart@apple.com>
19705 * config/i386/i386.md (set_got): Update.
19706 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19707 (builtin_setjmp_receiver): Mach-O support.
19708 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19709 (GOT_SYMBOL_NAME): Define.
19710 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19711 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19712 * config/i386/i386.c (override_options): Revise for Darwin.
19713 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19714 support. (darwin_x86_file_end): New. (output_set_got): Add label
19715 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19716 * config/i386/i386-protos.h (output_set_got): Likewise.
19717 * config/darwin.c (machopic_legitimize_pic_address): Update
19720 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19722 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19723 when MODE isn't BLKmode.
19725 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19727 PR rtl-optimization/25367
19728 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19730 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19733 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19734 for a negative bound.
19736 2006-01-10 Richard Guenther <rguenther@suse.de>
19738 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19739 Never override with anything constraint.
19741 2006-01-10 Jan Beulich <jbeulich@novell.com>
19743 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19744 256 bits when optimize_size.
19746 2006-01-10 Jan Beulich <jbeulich@novell.com>
19748 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19750 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19751 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19754 2006-01-10 Ben Elliston <bje@au.ibm.com>
19756 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19758 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19759 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19760 (USE_FP_FOR_ARG): Reject decimal float modes.
19761 (function_arg_advance): Likewise.
19762 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19763 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19764 point types in AltiVec vectors.
19765 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19766 (rs6000_libcall_value): Likewise.
19768 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19770 * config/xtensa/ieee754-df.S: New file.
19771 * config/xtensa/ieee754-sf.S: New file.
19772 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19773 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19774 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19776 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19778 * config/sh/predicates.md (binary_float_operator,
19779 binary_logical_operator, commutative_float_operator,
19780 equality_comparison_operator, greater_comparison_operator,
19781 less_comparison_operator, logical_operator,
19782 noncommutative_float_operator, shift_operator,
19783 symbol_ref_operand, unary_float_operator): Remove redundant
19786 2006-01-09 Jeff Law <law@redhat.com>
19788 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19789 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19790 now unused arguments. Callers updated.
19791 (eliminate_redundant_computations): Remove now unused arguments,
19793 (local_fold): Remove, no longer used.
19794 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19796 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19797 (simplify_cond): New function.
19798 (forward_propagate_into_cond): Call simplify_cond.
19800 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19802 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19803 (*vec_extractv2di_1_sse): New.
19805 2006-01-09 Ben Elliston <bje@au.ibm.com>
19807 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19809 2006-01-08 Richard Guenther <rguenther@suse.de>
19811 * tree-ssa-structalias.c (get_constraint_for): Remove
19812 anyoffset argument.
19813 (get_constraint_for_component_ref): Likewise.
19814 (do_deref): Likewise.
19815 (get_constraint_for): Likewise.
19816 (do_structure_copy): Likewise.
19817 (handle_ptr_arith): Likewise.
19818 (find_func_aliases): Likewise. Remove unused need_anyoffset
19821 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19822 Kaz Kojima <kkojima@gcc.gnu.org>
19824 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19825 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19826 (EXTRA_CONSTRAINT_C16): Remove.
19827 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19828 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19829 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19830 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19831 constants of SHmedia. Handle nested constant expressions of
19833 (andcosts): Fix the costs for SHmedia constants.
19834 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19835 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19836 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19837 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19838 (movv4hi_i, movv2si_i): Likewise.
19839 (movsi_const): Adjust the second operand of ior so to match with
19840 the Csu constraint.
19841 (movdi_const, movdi_const_32bit): Likewise.
19842 (movdi_const_16bit+1): Don't sign-extend LOW.
19843 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19845 (*double_shori): Fix the split condition. Use GEN_INT instead
19846 of get_int_mode calls. Mask lower 16-bit of the argument of
19848 (sym2GOTPLT): Remove.
19849 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19851 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19852 instead of EXTRA_CONSTRAINT_C16.
19854 2006-01-07 Ian Lance Taylor <ian@airs.com>
19855 David Edelsohn <edelsohn@gnu.org>
19857 PR rtl-optimization/25662
19858 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19859 for constant operands instead of simplify_gen_binary.
19860 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19861 after trying simplify_binary_operation
19863 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19865 * tree.c (iterative_hash_expr): Hash decls based on UID.
19867 2006-01-06 Eric Christopher <echristo@apple.com>
19869 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19870 (TARGET_UNWIND_EMIT): Fix spelling.
19871 * target.h (gcc_target): Add except_table_label.
19872 * except.c (output_function_exception_table): Use.
19873 * varasm.c (default_emit_except_table_label): New.
19874 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19876 (asm_out): Add here.
19877 * output.h (default_emit_except_table_label): Prototype.
19878 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19879 * config/darwin.c (darwin_emit_except_table_label): Define.
19880 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19882 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19884 PR tree-optimization/18527
19885 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19886 number_of_iterations_special, number_of_iterations_exit):
19887 Move base and step of an iv to a single structure. Add
19888 no_overflow flag, and use it in # of iterations analysis.
19889 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19890 folded_casts argument.
19891 (simple_iv): Pass base and step in a structure. Set no_overflow
19893 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19894 Evaluate expensiveness of computing # of iterations instead of
19895 the final expression.
19896 * tree-scalar-evolution.h (affine_iv): New structure.
19897 (simple_iv): Declaration changed.
19898 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19899 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19900 find_givs_in_stmt): Changed due to simple_iv change.
19902 2006-01-06 Jeff Law <law@redhat.com>
19905 * tree-cfg.c (bsi_replace): Rename final argument from
19906 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19907 change (stmt -> orig_stmt).
19908 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19909 (bsi_remove): Add new argument. Remove EH information
19911 (verify_eh_throw_table_statements): New function.
19912 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19914 * tree-optimize.c (execute_free_cfg_annotations): Verify
19915 the EH throw statement table after removing annotations.
19916 * except.h (verify_eh_throw_table_statements): Prototype.
19917 * tree-flow.h (bsi_remove): Update prototype.
19918 * tree-vrp.c (remove_range_assertions): Add new argument to
19920 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19921 * tree-complex.c (expand_complex_div_wide): Likewise.
19922 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19923 * tree-tailcall.c (eliminate_tailcall): Likewise.
19924 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19925 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19926 * tree-nrv.c (tree_nrv): Likewise.
19927 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19928 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19929 (combine_blocks): Likewise.
19930 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19931 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19932 (cleanup_control_flow): Likewise.
19933 (remove_forwarder_block): Likewise.
19934 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19935 * tree-sra.c (sra_replace): Likewise.
19936 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19937 (forward_propagate_single_use_vars): Likewise.
19938 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19939 * tree-inline.c (expand_call_inline): Likewise.
19940 * tree-vect-transform.c (vect_transform_loop): Likewise.
19941 * tree-outof-ssa.c (rewrite_trees): Likewise.
19942 * tree-cfg.c (make_goto_expr_edges): Likewise.
19943 (cleanup_dead_labels): Likewise.
19944 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19945 (bsi_move_before, bsi_move_after): Likewise.
19946 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19947 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19949 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19952 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19954 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19955 on non gimple variables. Also add checks at the top for decls and
19957 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19959 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19960 and IMAGPART_EXPR for creating MUST_DEFs.
19961 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19962 and NAME_MEMORY_TAG separately from the DECLs.
19964 2006-01-06 Richard Guenther <rguenther@suse.de>
19966 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19967 annotation, if necessary.
19968 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19969 redundant calls to update_stmt.
19970 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19973 2006-01-05 Richard Henderson <rth@redhat.com>
19975 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19977 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19979 * c-typeck.c: Update copyright date.
19981 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19983 * c-typeck.c (build_c_cast): Always warn when casting
19984 from a pointer to an integer of different size, even if
19985 the node was constant.
19987 2006-01-05 Richard Guenther <rguenther@suse.de>
19989 PR tree-optimization/22555
19990 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19991 if one structure field is an array.
19992 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19993 operands even if we found a subvar, but ignore VOPs in this
19995 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19997 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19999 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
20001 PR middle-end/24998
20002 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
20004 2006-01-05 Richard Guenther <rguenther@suse.de>
20005 Diego Novillo <dnovillo@redhat.com>
20007 * tree-pass.h (TODO_remove_unused_locals): Define.
20008 * gimple-low.c (expand_var_p, remove_useless_vars,
20009 pass_remove_useless_vars): Remove. Update all users.
20010 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20011 (remove_unused_locals): New function.
20012 * tree-flow.h (remove_unused_locals): Declare.
20013 * passes.c (execute_todo): Call remove_unused_locals if
20014 TODO_remove_unused_locals is set.
20015 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20016 * tree-ssa-dce.c (pass_dce): Likewise.
20017 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20019 2006-01-05 Richard Guenther <rguenther@suse.de>
20021 * tree-flow.h (struct fieldoff): Decompose field to
20022 type, size and decl.
20023 * tree-ssa-alias.c (create_sft): Take type as parameter.
20024 (create_overlap_variables_for): Store type, size and decl
20025 in the fieldoff structure.
20026 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20027 of struct fieldoff.
20028 (push_fields_onto_fieldstack): Likewise.
20029 (create_variable_info_for): Likewise. Use offset for the
20030 SFT name if the decl is not available.
20032 2006-01-04 Paul Brook <paul@codesourcery.com>
20034 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20036 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20038 * lambda-code.c (can_put_in_inner_loop): Relax
20040 (can_put_after_inner_loop): New function.
20041 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20042 (perfect_nestify): Change to make copies and modify uses.
20044 2006-01-04 Richard Henderson <rth@redhat.com>
20046 Merge from gomp branch:
20047 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20048 via integer constant.
20049 (pragma_lex): Remove.
20050 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20051 rather than parsing it.
20052 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20053 handle_pragma_extern_prefix): Add %< %> quotes.
20054 (registered_pragmas): New.
20055 (c_register_pragma_1): New.
20056 (c_register_pragma): Use it.
20057 (c_register_pragma_with_expansion): Likewise.
20058 (c_invoke_pragma_handler): New.
20059 (init_pragma): Use cpp_register_deferred_pragma directly for
20061 * c-pragma.h (enum pragma_kind): New.
20062 (pragma_handler): New.
20063 (c_invoke_pragma_handler): Declare.
20064 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20066 * c-common.h (c_common_pch_pragma): Update decl.
20067 * Makefile.in (c-parser.o): Update dependencies.
20068 (GTFILES): Add c-pragma.h.
20069 * c-parser.c (struct c_token): Add pragma_kind.
20070 (struct c_parser): Add in_pragma.
20071 (c_lex_one_token): Always initialize keyword and pragma_kind.
20072 Extract data for CPP_PRAGMA.
20073 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20074 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20075 Don't allow CPP_PRAGMA_EOL if in_pragma.
20076 (c_parser_consume_pragma): New.
20077 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20078 (c_parser_skip_to_end_of_parameter): Likewise.
20079 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20080 (c_parser_skip_to_pragma_eol): New.
20081 (c_parser_external_declaration): Handle CPP_PRAGMA.
20082 (c_parser_compound_statement_nostart): Likewise.
20083 (c_parser_statement_after_labels): Likewise.
20084 (c_parser_pragma): New.
20085 (pragma_lex): Likewise.
20086 (c_parser_pragma_pch_preprocess): New.
20087 (c_parser_new): Merge into ...
20088 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20090 2006-01-04 Jeff Law <law@redhat.com>
20093 * tree-cfg.c (bsi_replace): Remove the original statement
20094 from the EH throw statement table.
20096 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20098 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20099 make the prototype extern "C" and add throw ().
20102 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20103 and pos non-negative and pos + len <= 32.
20104 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20105 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20106 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20109 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20110 as well as sizes not multiple of component size.
20113 * function.c (instantiate_expr): New function.
20114 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20115 walk its DECL_VALUE_EXPR with instantiate_expr.
20117 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20118 DW_OP_deref{,_size} if address isn't going to be added.
20120 2006-01-04 Ben Elliston <bje@au.ibm.com>
20122 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20123 * config/fp-bit.c: Likewise.
20125 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20127 * dominance.c: Add comment about why we use DFS numbering
20130 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20131 Richard Henderson <rth@redhat.com>
20133 Merge from gomp-branch:
20134 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20135 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20137 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20139 PR rtl-optimization/25578
20140 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20141 pass a parameter to simplify_shift_const if changing ASHIFTRT
20144 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20146 * builtins.c (get_builtin_sync_mem): New function.
20147 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20148 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20149 Call get_builtin_sync_mem to generate mem rtx.
20151 2006-01-03 Richard Guenther <rguenther@suse.de>
20154 * stmt.c (add_case_node): Make sure to clear overflow flags
20157 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20159 Merge from gomp-branch.
20160 * config/sparc/sync.md: New file.
20161 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20162 UNSPECV_LDSTUB): New constants.
20163 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20164 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20165 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20168 2006-01-03 Roger Sayle <roger@eyesopen.com>
20170 * combine.c (reg_subword_p): New predicate to test whether the
20171 destination of a set refers to a subword/piece of a register.
20172 (try_combine): Generalize the code to merge the setting of a
20173 pseudo to a constant followed by a set of a subword of that
20174 register to a constant.
20176 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20178 * basic-block.h (control_flow_graph): Change the type of
20179 x_label_to_block_map to VEC(basic_block,gc) *.
20180 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20181 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20183 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20184 VEC(basic_block,heap) *.
20185 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20186 ssa_prop_fini): Adjust the uses of cfg_blocks.
20188 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20190 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20192 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20193 hashing trees instead of a pointer hash.
20194 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20195 compare for MEM_EXPR.
20197 PR rtl-optimization/25130
20198 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20199 when comparing MEMs for GCSE
20201 2006-01-03 Ben Elliston <bje@au.ibm.com>
20203 * targhooks.h (default_decimal_float_supported_p): Declare.
20204 * targhooks.c (default_decimal_float_supported_p): Define.
20205 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20206 `default_decimal_float_supported_p'.
20207 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20209 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20211 * combine.c (apply_distributive_law <SUBREG>): Check
20212 TRULY_NOOP_TRUNCATION.
20214 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20216 * dwarf2out.c (have_switched_text_section): Delete.
20217 (have_multiple_function_sections): New.
20218 (have_location_lists): Make 'bool'.
20219 (add_AT_loc_list): Use 'true' not '1'.
20220 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20221 (output_loc_list): Use have_multiple_function_sections.
20222 (output_ranges): Likewise.
20223 (dwarf2out_begin_function): Set have_multiple_function_sections if
20225 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20226 Check function_section rather than DECL_SECTION_NAME.
20227 (dwarf2out_finish): Use have_multiple_function_sections.
20228 Don't clear have_location_lists.
20230 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20231 Jan Hubicka <jh@suse.cz>
20233 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20234 case of conditional jump jumping to the next instruction.
20235 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20236 cases of conditional jump jumping to the next instruction.
20238 2006-01-02 Jan Hubicka <jh@suse.cz>
20240 * i386.c (*_cost): Add COSTS_N_INSNS.
20241 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20243 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20246 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20248 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20250 * config/arm/arm.c (all_fpus): Fix comment typo.
20251 * config/darwin.c: Likewise.
20252 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20253 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20254 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20256 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20258 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20259 (rs6000_split_compare_and_swapqhi): New.
20260 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20261 (sync_compare_and_swapqhi_internal): New.
20262 * config/rs6000/rs6000-protos.h: Declare.