1 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
3 * stor-layout.c (set_sizetype): Use the full precision of their
4 machine mode for bitsize types.
6 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
8 * config/i386/i386.md: Revert 2 accidental checkins.
10 2009-04-06 Joey Ye <joey.ye@intel.com>
11 Xuepeng Guo <xuepeng.guo@intel.com>
12 H.J. Lu <hongjiu.lu@intel.com>
14 Atom pipeline model, tuning and insn selection.
15 * config.gcc (atom): Add atom config options and target.
17 * config/i386/atom.md: New.
19 * config/i386/i386.c (atom_cost): New cost.
20 (m_ATOM): New macro flag.
21 (initial_ix86_tune_features): Set m_ATOM.
22 (x86_accumulate_outgoing_args): Likewise.
23 (x86_arch_always_fancy_math_387): Likewise.
24 (processor_target): Add Atom cost.
25 (cpu_names): Add Atom cpu name.
26 (override_options): Set Atom ISA.
27 (ix86_issue_rate): New case PROCESSOR_ATOM.
28 (ix86_adjust_cost): Likewise.
30 * config/i386/i386.h (TARGET_ATOM): New target macro.
31 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
32 (TARGET_OPT_AGU): New target option.
33 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
34 (processor_type): Add PROCESSOR_ATOM.
36 * config/i386/i386.md (cpu): Add new value "atom".
37 (use_carry, movu): New attr.
38 (atom.md): Include atom.md.
39 (adddi3_carry_rex64): Set attr "use_carry".
40 (addqi3_carry): Likewise.
41 (addhi3_carry): Likewise.
42 (addsi3_carry): Likewise.
43 (*addsi3_carry_zext): Likewise.
44 (subdi3_carry_rex64): Likewise.
45 (subqi3_carry): Likewise.
46 (subhi3_carry): Likewise.
47 (subsi3_carry): Likewise.
48 (x86_movdicc_0_m1_rex64): Likewise.
49 (*x86_movdicc_0_m1_se): Likewise.
50 (x86_movsicc_0_m1): Likewise.
51 (*x86_movsicc_0_m1_se): Likewise.
52 (*adddi_1_rex64): Emit add insn as much as possible.
54 (return_internal): Set atom_unit.
55 (return_internal_long): Likewise.
56 (return_pop_internal): Likewise.
57 (*rcpsf2_sse): Set atom_sse_attr attr.
58 (*qrt<mode>2_sse): Likewise.
59 (*prefetch_sse): Likewise.
61 * config/i386/i386-c.c (ix86_target_macros_internal): New case
63 (ix86_target_macros_internal): Likewise.
65 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
66 (*prefetch_sse_rex): Likewise.
67 (sse_rcpv4sf2): Likewise.
68 (sse_vmrcpv4sf2): Likewise.
69 (sse_sqrtv4sf2): Likewise.
70 (<sse>_vmsqrt<mode>2): Likewise.
71 (sse_ldmxcsr): Likewise.
72 (sse_stmxcsr): Likewise.
73 (*sse_sfence): Likewise.
74 (sse2_clflush): Likewise.
75 (*sse2_mfence): Likewise.
76 (*sse2_lfence): Likewise.
77 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
78 (<sse>_movup<ssemodesuffixf2c>): Likewise.
79 (avx_movdqu<avxmodesuffix>): Likewise.
80 (avx_lddqu<avxmodesuffix>): Likewise.
81 (sse2_movntv2di): Change attr "type" to "ssemov".
82 (sse2_movntsi): Likewise.
83 (rsqrtv8sf2): Change attr "type" to "sseadd".
84 (sse3_addsubv2df3): Set attr "atom_unit".
85 (sse3_h<plusminus_insn>v4sf3): Likewise.
86 (*sse2_pmaddwd): Likewise.
87 (*vec_extractv2di_1_rex64): Likewise.
88 (*vec_extractv2di_1_avx): Likewise.
89 (sse2_psadbw): Likewise.
90 (ssse3_phaddwv8hi3): Likewise.
91 (ssse3_phaddwv4hi3): Likewise.
92 (ssse3_phadddv4si3): Likewise.
93 (ssse3_phadddv2si3): Likewise.
94 (ssse3_phaddswv8hi3): Likewise.
95 (ssse3_phaddswv4hi3): Likewise.
96 (ssse3_phsubwv8hi3): Likewise.
97 (ssse3_phsubwv4hi3): Likewise.
98 (ssse3_phsubdv4si3): Likewise.
99 (ssse3_phsubdv2si3): Likewise.
100 (ssse3_phsubswv8hi3): Likewise.
101 (ssse3_phsubswv4hi3): Likewise.
102 (ssse3_pmaddubsw128): Likewise.
103 (sse3_pmaddubsw: Likewise.
104 (ssse3_palignrti): Likewise.
105 (ssse3_palignrdi): Likewise.
107 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
109 * doc/install.texi (Specific): Fix two cross-references to MinGW.
111 2009-04-06 Richard Guenther <rguenther@suse.de>
113 PR tree-optimization/28868
114 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
115 of which PHI results we inserted.
116 (insert_into_preds_of_block): Record inserted PHIs.
117 (eliminate): Eliminate redundant PHI nodes.
118 (init_pre): Init inserted_phi_names.
120 2009-04-06 Richard Guenther <rguenther@suse.de>
122 PR tree-optimization/39643
123 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
124 IMAGPART_EXPRs of complex constants.
125 (execute_fold_all_builtins): If we folded a call queue
126 TODO_update_address_taken.
128 2009-04-06 Jan Hubicka <jh@suse.cz>
131 * except.c (remove_unreachable_regions): Propagate may_contain_throw
134 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
136 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
138 (ic_invalidate_array): Likewise.
140 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
142 * calls.c (emit_library_call_value_1): Fix a problem with parameter
143 alignment for library calls.
145 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
147 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
148 (mingw32 tm clause use_gcc_stdint): Set to wrap.
149 * config/i386/mingw-stdint.h: New file.
151 2009-04-05 Richard Guenther <rguenther@suse.de>
153 PR tree-optimization/39648
154 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
155 our &A vs. &A[0] IL deficiencies.
157 2009-04-04 Jan Hubicka <jh@suse.cz>
159 * except.c (sjlj_find_directly_reachable_regions): Be ready for
160 removed toplevel regions.
161 (sjlj_mark_call_sites): Likewise.
163 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
165 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
166 (cygwin tm clause use_gcc_stdint): Set to wrap.
167 * config/i386/cygwin-stdint.h: New file.
169 2009-04-04 Richard Guenther <rguenther@suse.de>
171 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
172 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
173 single-argument PHIs if we are in loop-closed SSA form.
174 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
175 for the pre-condition.
176 (slpeel_tree_peel_loop_to_edge): Likewise.
177 (vect_build_loop_niters): Take an optional sequence to append stmts.
178 (vect_generate_tmps_on_preheader): Likewise.
179 (vect_do_peeling_for_loop_bound): Take extra guards for the
181 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
182 the cost model check.
183 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
184 guards if we are going to peel. Do not apply versioning in that
186 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
187 (vect_do_peeling_for_loop_bound): Likewise.
188 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
189 loop bound only record extra pre-conditions, do not apply loop
192 2009-04-04 Richard Guenther <rguenther@suse.de>
194 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
197 2009-04-04 Jan Hubicka <jh@suse.cz>
199 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
200 last_basic_block for size of bb->index indexed array.
201 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
202 compute_out, link_btr_uses, build_btr_def_use_webs,
203 build_btr_def_use_webs, migrate_btr_defs): Likewise.
205 2009-04-04 Jan Hubicka <jh@suse.cz>
207 * except.c (remove_eh_handler_and_replace): Break out from ...
208 (remove_eh_handler): ... here.
209 (bring_to_root): New function.
210 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
211 handled ones, bring others to root of tree.
213 2009-04-04 Jan Hubicka <jh@suse.cz>
215 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
216 (all_phis_safe_to_merge): New function.
217 (update_info): New structure.
218 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
219 (cleanup_empty_eh): Update SSA if possible.
221 2009-04-04 Richard Guenther <rguenther@suse.de>
223 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
224 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
225 (append_vuse): Likewise.
227 2009-04-04 Jakub Jelinek <jakub@redhat.com>
229 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
230 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
231 instead of REG_UNSAVED for DW_CFA_undefined.
232 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
233 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
236 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
239 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
240 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
241 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
243 2009-04-04 Richard Guenther <rguenther@suse.de>
245 PR tree-optimization/8781
246 PR tree-optimization/37892
247 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
248 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
249 (valueize_refs): Call it for *& valueizations.
250 (shared_reference_ops_from_ref): Rename to ...
251 (valueize_shared_reference_ops_from_ref): ... this and valueize.
252 (shared_reference_ops_from_call): Rename to ...
253 (valueize_shared_reference_ops_from_call): ... this and valueize.
254 (vn_reference_lookup): Update.
255 (visit_reference_op_call): Likewise.
256 * tree-ssa-pre.c (phi_translate_1): Fold *&.
257 (eliminate): Value-replace the call address in call statements.
259 2009-04-04 Richard Guenther <rguenther@suse.de>
261 PR tree-optimization/39636
262 * tree-ssa-forwprop.c
263 (forward_propagate_addr_into_variable_array_index): Check for
264 GIMPLE_ASSIGN before accessing the rhs code.
266 2009-04-03 Jason Merrill <jason@redhat.com>
268 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
270 2009-04-03 Steve Ellcey <sje@cup.hp.com>
272 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
273 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
274 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
275 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
276 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
277 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
278 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
279 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
280 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
281 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
282 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
283 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
284 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
285 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
286 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
287 Use fr_reg_or_fp01_operand instead of fr_register_operand
289 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
290 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
291 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
293 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
295 PR rtl-optimization/39607
296 PR rtl-optimization/39631
298 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
299 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
300 instead of DF_LR_OUT.
301 * ira-lives.c (process_bb_node_lives): Ditto.
302 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
303 instead of DF_LR_{OUT,IN}.
304 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
305 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
307 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
309 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
310 (execute_lower_omp): Always run but take the short way out if -fopenmp
312 (gate_lower_omp): Remove, forcing the pass manager to always run the
313 pass and always set PROP_gimple_lomp.
314 (pass_lower_omp): Remove gate function.
315 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
316 PROP_trees. Instead, require it.
317 * ipa-cp.c (pass_ipa_cp): Likewise.
318 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
319 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
320 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
323 2009-04-03 Richard Guenther <rguenther@suse.de>
326 PR tree-optimization/23940
327 PR tree-optimization/33237
330 PR tree-optimization/36201
331 PR tree-optimization/36230
332 PR tree-optimization/38049
333 PR tree-optimization/38207
334 PR tree-optimization/38230
335 PR tree-optimization/38301
336 PR tree-optimization/38585
338 PR tree-optimization/38985
339 PR tree-optimization/39299
340 * tree-ssa-structalias.h: Remove.
341 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
342 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
343 (struct vuse_element_d): Remove.
344 (struct vuse_vec_d): Likewise.
345 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
346 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
347 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
348 VUSE_ELEMENT_VAR): Likewise.
349 (struct voptype_d): Likewise.
350 (NUM_VOP_FREE_BUCKETS): Likewise.
351 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
352 (struct stmt_operands_d): Remove.
353 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
354 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
355 VDEF_NUM, VDEF_VECT): Likewise.
356 (copy_virtual_operands): Remove.
357 (operand_build_cmp): Likewise.
358 (create_ssa_artificial_load_stmt): Likewise.
359 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
360 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
361 vuse_index and mayuse_index members. Pack and move done and iter_type
362 members to the front.
363 (SSA_OP_VMAYUSE): Remove.
364 (SSA_OP_VIRTUAL_USES): Adjust.
365 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
366 (unlink_stmt_vdef): Declare.
367 (add_to_addressable_set): Remove.
368 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
369 (vrp_visit_stmt): Likewise.
370 * doc/tree-ssa.texi (Alias analysis): Update.
371 * doc/invoke.texi (max-aliased-vops): Remove docs.
372 (avg-aliased-vops): Likewise.
373 * tree-into-ssa.c (syms_to_rename): Remove.
374 (need_to_update_vops_p): Likewise.
375 (need_to_initialize_update_ssa_p): Rename to ...
376 (update_ssa_initialized_fn): ... this. Track function we are
378 (symbol_marked_for_renaming): Simplify.
379 (add_new_name_mapping): Do not set need_to_update_vops_p.
380 (dump_currdefs): Use SYMS_TO_RENAME.
381 (rewrite_update_stmt): Always walk all uses/defs.
382 (dump_update_ssa): Adjust.
383 (init_update_ssa): Take function argument. Track what we are
385 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
386 (create_new_def_for): Initialize for cfun, assert we are initialized
388 (mark_sym_for_renaming): Simplify.
389 (mark_set_for_renaming): Do not initialize update-ssa.
390 (need_ssa_update_p): Simplify. Take function argument.
391 (name_mappings_registered_p): Assert we ask for the correct function.
392 (name_registered_for_update_p): Likewise.
393 (ssa_names_to_replace): Likewise.
394 (release_ssa_name_after_update_ssa): Likewise.
395 (update_ssa): Likewise. Use SYMS_TO_RENAME.
396 (dump_decl_set): Do not print a newline.
397 (debug_decl_set): Do it here.
398 (dump_update_ssa): And here.
399 * tree-ssa-loop-im.c (move_computations): Adjust.
400 (movement_possibility): Likewise.
401 (determine_max_movement): Likewise.
402 (gather_mem_refs_stmt): Likewise.
403 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
405 * tree-complex.c (update_all_vops): Remove.
406 (expand_complex_move): Adjust.
407 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
408 Simplify test for memory referencing statement. Exclude
409 non-invariant ADDR_EXPRs.
410 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
411 * tree-loop-distribution.c (generate_memset_zero): Adjust.
412 (rdg_flag_uses): Likewise.
413 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
415 (tree_optimize_tail_calls_1): Also split the
416 edge from the entry block if we have degenerate PHI nodes in
417 the first basic block.
418 * tree.c (init_ttree): Remove memory-tag related code.
419 (tree_code_size): Likewise.
420 (tree_node_structure): Likewise.
421 (build7_stat): Re-write to be build6_stat.
422 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
424 (struct tree_memory_tag): Remove.
425 (struct tree_memory_partition_tag): Likewise.
426 (union tree_node): Adjust.
427 (build7): Re-write to be build6.
428 * tree-pass.h (pass_reset_cc_flags): Remove.
429 (TODO_update_address_taken): New flag.
430 (pass_simple_dse): Remove.
431 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
432 * params.h (MAX_ALIASED_VOPS): Remove.
433 (AVG_ALIASED_VOPS): Likewise.
434 * omp-low.c (expand_omp_taskreg): Update SSA form.
435 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
436 aliases the lhs in a copy stmt.
437 * tree-ssa-dse.c (struct address_walk_data): Remove.
438 (memory_ssa_name_same): Likewise.
439 (memory_address_same): Likewise.
440 (get_kill_of_stmt_lhs): Likewise.
441 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
442 unused stores. Look through PHI nodes into post-dominated regions.
443 (dse_optimize_stmt): Simplify. Properly remove stores.
444 (tree_ssa_dse): Compute dominators.
445 (execute_simple_dse): Remove.
446 (pass_simple_dse): Likewise.
447 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
448 gimple_loaded_syms and gimple_stored_syms computation.
449 * toplev.c (dump_memory_report): Dump alias and pta stats.
450 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
451 (vn_reference_eq): Likewise.
452 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
453 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
454 valueize_vuses): Remove.
455 (get_def_ref_stmt_vuses): Simplify. Rename to ...
456 (get_def_ref_stmt_vuse): ... this.
457 (vn_reference_lookup_2): New function.
458 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
459 walking equivalent vuses. Simplify.
460 (vn_reference_lookup): Likewise.
461 (vn_reference_insert): Likewise.
462 (vn_reference_insert_pieces): Likewise.
463 (visit_reference_op_call): Simplify.
464 (visit_reference_op_load): Likewise.
465 (visit_reference_op_store): Likewise.
466 (init_scc_vn): Remove shared_lookup_vuses initialization.
467 (free_scc_vn): Remove shared_lookup_vuses freeing.
468 (sort_vuses, sort_vuses_heap): Remove.
469 (get_ref_from_reference_ops): Export.
470 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
471 vector with single vuse pointer.
472 (vn_reference_lookup_pieces, vn_reference_lookup,
473 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
474 (shared_vuses_from_stmt): Remove.
475 (get_ref_from_reference_ops): Declare.
476 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
477 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
478 memory-tag related code.
479 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
480 (likely_value): Add comment, skip static-chain of call statements.
481 (surely_varying_stmt_p): Adjust.
482 (gimplify_and_update_call_from_tree): Likewise.
483 (execute_fold_all_builtins): Do not rebuild alias info.
484 (gimplify_and_update_call_from_tree): Properly update VOPs.
485 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
486 (copy_ref_info): Remove memory-tag related code.
487 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
488 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
489 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
491 * tree-ssa-dom.c (gimple_p): Remove typedef.
492 (eliminate_redundant_computations): Adjust.
493 (record_equivalences_from_stmt): Likewise.
494 (avail_expr_hash): Likewise.
495 (avail_expr_eq): Likewise.
496 * tree-ssa-propagate.c (update_call_from_tree): Properly
498 (stmt_makes_single_load): Likewise.
499 (stmt_makes_single_store): Likewise.
500 * tree-ssa-alias.c: Rewrite completely.
501 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
502 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
503 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
504 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
505 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
506 Remove public functions.
507 (pass_reset_cc_flags): Remove.
508 (pass_build_alias): Move ...
509 * tree-ssa-structalias.c (pass_build_alias): ... here.
510 * tree-ssa-alias.c (may_be_aliased): Move ...
511 * tree-flow-inline.h (may_be_aliased): ... here.
512 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
513 count_uses_and_derefs): Move ...
514 * gimple.c: ... here.
515 * gimple.h (count_uses_and_derefs): Declare.
516 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
517 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
518 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
519 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
520 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
521 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
522 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
524 * tree-dfa.c (refs_may_alias_p): Move ...
525 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
526 * tree-ssa-alias.h: New file.
527 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
528 (statement_sink_location): Likewise.
529 * opts.c (decode_options): Do not adjust max-aliased-vops or
530 avg-aliased-vops values.
531 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
532 (TV_CALL_CLOBBER): Likewise.
533 (TV_FLOW_SENSITIVE): Likewise.
534 (TV_FLOW_INSENSITIVE): Likewise.
535 (TV_MEMORY_PARTITIONING): Likewise.
536 (TV_ALIAS_STMT_WALK): New timevar.
537 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
538 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
539 (get_address_description): Remove memory-tag related code.
540 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
541 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
542 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
543 and immediate uses in statements. Document.
544 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
545 (dump_symbols): Remove.
546 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
547 * alias.c (get_deref_alias_set): New function split out from ...
548 (get_alias_set): ... here.
549 * alias.h (get_deref_alias_set): Declare.
550 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
551 type parameter. Remove restrict pointer handling. Create a
552 ref-all pointer in case type-based alias sets do not conflict.
553 (vect_analyze_data_refs): Remove SMT related code.
554 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
555 (vectorizable_load): Likewise.
556 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
557 (DR_SYMBOL_TAG, DR_VOPS): Remove.
558 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
559 Ignore vops and SMTs.
560 (dr_analyze_alias): Likewise..
561 (free_data_ref): Likewise.
562 (create_data_ref): Likewise.
563 (analyze_all_data_dependences): Likewise.
564 (get_references_in_stmt): Adjust.
565 * tree-flow-inline.h (gimple_aliases_computed_p,
566 gimple_addressable_vars, gimple_call_clobbered_vars,
567 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
568 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
569 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
570 gimple_mem_ref_stats): Remove.
571 (gimple_vop): New function.
572 (op_iter_next_use): Remove vuses and mayuses cases.
573 (op_iter_next_def): Remove vdefs case.
574 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
575 (clear_and_done_ssa_iter): Do not set removed fields.
576 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
577 Assert we are not iterating over vuses or vdefs if not also
578 iterating over uses or defs.
579 (op_iter_init_use): Likewise.
580 (op_iter_init_def): Likewise.
581 (op_iter_next_vdef): Remove.
582 (op_iter_next_mustdef): Likewise.
583 (op_iter_init_vdef): Likewise.
584 (compare_ssa_operands_equal): Likewise.
585 (link_use_stmts_after): Handle vuse operand.
586 (is_call_used): Use is_call_clobbered.
587 (is_call_clobbered): Global variables are always call clobbered,
588 query the call-clobbers bitmap.
589 (mark_call_clobbered): Ignore global variables.
590 (clear_call_clobbered): Likewise.
591 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
592 virtual operands sanity check.
593 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
595 (TARGET_MEM_REF): Remove TMR_TAG operand.
596 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
597 Remove call-clobber related code.
598 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
599 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
600 partitions or escape reason.
601 (get_single_def_stmt, get_single_def_stmt_from_phi,
602 get_single_def_stmt_with_phi): Remove.
603 (dump_referenced_vars): Tidy.
604 (get_ref_base_and_extent): Allow bare decls.
605 (collect_dfa_stats): Adjust.
606 * graphite.c (rename_variables_in_stmt): Adjust.
607 (graphite_copy_stmts_from_block): Likewise.
608 (translate_clast): Likewise.
609 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
611 (translate_vuse_through_block): Use the oracle.
612 (phi_translate_1): Adjust.
613 (value_dies_in_block_x): Use the oracle. Cache the outcome
615 (valid_in_sets): Check if the VUSE for
616 a REFERENCE is available.
617 (eliminate): Do not remove stmts during elimination,
618 instead queue and remove them afterwards.
619 (do_pre): Do not rebuild alias info.
620 (pass_pre): Run TODO_rebuild_alias before PRE.
621 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
622 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
623 (mark_all_v_defs_stmt): Remove.
624 (mark_all_v_defs_seq): Adjust.
625 (sra_replace): Likewise.
626 (scalarize_use): Likewise.
627 (scalarize_copy): Likewise.
628 (scalarize_init): Likewise.
629 (scalarize_ldst): Likewise.
631 (tree_sra): Do not rebuild alias info.
632 (tree_sra_early): Adjust.
633 (pass_sra): Run TODO_update_address_taken before SRA.
634 * tree-predcom.c (set_alias_info): Remove.
635 (prepare_initializers_chain): Do not call it.
636 (mark_virtual_ops_for_renaming): Adjust.
637 (mark_virtual_ops_for_renaming_list): Remove.
638 (initialize_root_vars): Adjust.
639 (initialize_root_vars_lm): Likewise.
640 (prepare_initializers_chain): Likewise.
641 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
642 (may_propagate_copy_into_stmt): Likewise.
643 (merge_alias_info): Do nothing for now.
644 (propagate_tree_value_into_stmt): Adjust.
645 (stmt_may_generate_copy): Likewise.
646 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
647 not mark symbols for renaming.
648 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
649 with the same statement, make sure to update the new pointed-to one.
650 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
651 call statements, do not mark symbols for renaming.
652 (mark_operand_necessary): Dump something.
653 (ref_may_be_aliased): New function.
654 (mark_aliased_reaching_defs_necessary_1): New helper function.
655 (mark_aliased_reaching_defs_necessary): Likewise.
656 (mark_all_reaching_defs_necessary_1): Likewise.
657 (mark_all_reaching_defs_necessary): Likewise.
658 (propagate_necessity): Do not process virtual PHIs. For
659 non-aliased loads mark all reaching definitions as necessary.
660 For aliased loads and stores mark the immediate dominating
661 aliased clobbers as necessary.
662 (visited): New global static.
663 (perform_tree_ssa_dce): Free visited bitmap after propagating
665 (remove_dead_phis): Perform simple dead virtual PHI removal.
666 (remove_dead_stmt): Properly unlink virtual operands when
668 (eliminate_unnecessary_stmts): Schedule PHI removal after
670 * tree-ssa-ter.c (is_replaceable_p): Adjust.
671 (process_replaceable): Likewise.
672 (find_replaceable_in_bb): Likewise.
673 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
674 based on the single gimple vop.
675 (verify_flow_insensitive_alias_info): Remove.
676 (verify_flow_sensitive_alias_info): Likewise.
677 (verify_call_clobbering): Likewise.
678 (verify_memory_partitions): Likewise.
679 (verify_alias_info): Likewise.
680 (verify_ssa): Adjust..
681 (execute_update_addresses_taken): Export. Update SSA
682 manually. Optimize only when optimizing. Use a local bitmap.
683 (pass_update_address_taken): Remove TODO_update_ssa, add
685 (pass_update_address_taken): Just use TODO_update_address_taken.
686 (init_tree_ssa): Do not initialize addressable_vars.
687 (verify_ssa): Verify new VUSE / VDEF properties.
688 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
689 Do not call verify_alias_info.
690 (delete_tree_ssa): Clear the VUSE, VDEF operands.
691 Do not free the loaded and stored syms bitmaps. Reset the escaped
692 and callused solutions. Do not free addressable_vars.
693 Remove memory-tag related code.
694 (warn_uninitialized_var): Aliases are always available.
695 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
696 * lambda-code.c (can_put_in_inner_loop): Adjust.
697 (can_put_after_inner_loop): Likewise.
698 (perfect_nestify): Likewise.
699 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
700 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
701 (vectorizable_conversion): Do not mark symbols for renaming.
702 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
703 (expand_call_inline): Unlink the calls virtual operands before
705 (tree_function_versioning): Do not call update_ssa if we are not
706 updating clones. Simplify.
707 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
708 (propagate_with_phi): Likewise..
709 * tree-outof-ssa.c (create_temp): Remove memory tag and call
710 clobber code. Assert we are not aliased or global.
711 * tree-flow.h: Include tree-ssa-alias.h
712 (enum escape_type): Remove.
713 (struct mem_sym_stats_d): Likewise.
714 (struct mem_ref_stats_d): Likewise.
715 (struct gimple_df): Add vop member. Remove global_var,
716 call_clobbered_vars, call_used_vars, addressable_vars,
717 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
718 escaped and callused members.
719 (struct ptr_info_def): Remove all members, add points-to solution
721 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
722 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
723 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
724 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
725 (tree-ssa-alias.o): Likewise.
726 (toplev.o): Add tree-ssa-alias.h
727 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
728 * gimple.c (gimple_set_bb): Fix off-by-one error.
729 (is_gimple_reg): Do not handle memory tags.
730 (gimple_copy): Also copy virtual operands.
731 Delay updating the statement. Do not reset loaded and stored syms.
732 (gimple_set_stored_syms): Remove.
733 (gimple_set_loaded_syms): Likewise.
734 (gimple_call_copy_skip_args): Copy the virtual operands
735 and mark the new statement modified.
736 * tree-ssa-structalias.c (may_alias_p): Remove.
737 (set_uids_in_ptset): Take the alias set to prune with as
738 parameter. Fold in the alias test of may_alias_p.
739 (compute_points_to_sets): Compute whether a ptr is dereferenced
741 (process_constraint): Deal with &ANYTHING on the lhs, reject all
742 other ADDRESSOF constraints on the lhs.
743 (get_constraint_for_component_ref): Assert that we don't get
744 ADDRESSOF constraints from the base of the reference.
745 Properly generate UNKNOWN_OFFSET for DEREF if needed.
746 (struct variable_info): Remove collapsed_to member.
747 (get_varinfo_fc): Remove.
748 (new_var_info): Do not set collapsed_to.
749 (dump_constraint): Do not follow cycles.
750 (dump_constraint_graph): Likewise.
751 (build_pred_graph): Likewise.
752 (build_succ_graph): Likewise.
753 (rewrite_constraints): Likewise.
754 (do_simple_structure_copy): Remove.
755 (do_rhs_deref_structure_copy): Remove.
756 (do_lhs_deref_structure_copy): Remove.
757 (collapse_rest_of_var): Remove.
758 (do_structure_copy): Re-implement.
759 (pta_stats): New global variable.
760 (dump_pta_stats): New function.
761 (struct constraint_expr): Make offset signed.
762 (UNKNOWN_OFFSET): Define special value.
763 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
764 (solution_set_expand): New helper function split out from ...
765 (do_sd_constraint): ... here.
766 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
767 (do_ds_constraint): Likewise.
768 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
769 and CALLUSED = *CALLUSED.
770 (set_union_with_increment): Make inc argument signed.
772 (get_constraint_for_ptr_offset): Handle unknown and negative
774 (first_vi_for_offset): Handle offsets before start. Bail
775 out early for offsets beyond the variable extent.
776 (first_or_preceding_vi_for_offset): New function.
777 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
778 Together with ESCAPED = *ESCAPED this properly computes reachability.
779 (find_what_var_points_to): New function.
780 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
781 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
782 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
783 pt_solutions_intersect): New functions.
784 (compute_call_used_vars): Remove.
785 (compute_may_aliases): New main entry into PTA computation.
786 * gimple.h (gimple_p): New typedef.
787 (struct gimple_statement_base): Remove references_memory_p.
788 (struct gimple_statement_with_memory_ops_base): Remove
789 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
791 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
792 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
793 gimple_set_references_memory): Remove.
794 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
795 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
797 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
798 (verify_expr): Allow RESULT_DECL.
799 (gimple_duplicate_bb): Do not copy virtual operands.
800 (gimple_duplicate_sese_region): Adjust.
801 (gimple_duplicate_sese_tail): Likewise.
802 (mark_virtual_ops_in_region): Remove.
803 (move_sese_region_to_fn): Do not call it.
804 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
806 (execute_function_todo): Handle TODO_update_address_taken,
807 call execute_update_addresses_taken for TODO_rebuild_alias.
808 (execute_todo): Adjust.
809 (execute_one_pass): Init dump files early.
810 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
812 (create_general_new_stmt): Clear vops.
813 * tree-ssa-reassoc.c (get_rank): Adjust.
814 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
815 symbols for renaming.
816 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
817 (PARAM_AVG_ALIASED_VOPS): Likewise.
818 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
819 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
820 * tree-ssa-operands.c: Simplify for new virtual operand
822 (operand_build_cmp, copy_virtual_operands,
823 create_ssa_artificial_load_stmt, add_to_addressable_set,
824 gimple_add_to_addresses_taken): Remove public functions.
825 (unlink_stmt_vdef): New function.
827 2009-04-03 Alan Modra <amodra@bigpond.net.au>
829 * config.gcc (powerpc-*-linux*): Merge variants.
831 2009-04-02 Chao-ying Fu <fu@mips.com>
832 James Grosbach <james.grosbach@microchip.com>
834 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
835 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
837 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
838 keep_interrupts_masked_p, use_debug_exception_return_p.
839 (mips_attribute_table): Add interrupt, use_shadow_register_set,
840 keep_interrupts_masked, use_debug_exception_return.
841 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
842 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
844 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
845 (mips_print_operand): Process COP0 registers to print $0 .. $31
846 correctly for GAS to process.
847 (mips_interrupt_extra_call_saved_reg_p): New function.
848 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
850 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
851 (mips_compute_frame_info): Add supports for interrupt context that
852 includes doubleword accumulators and COP0 registers.
853 (mips_for_each_saved_acc): New function.
854 (mips_for_each_saved_gpr_and_fpr): Change the function name from
855 mips_for_each_saved_reg.
856 (mips_save_reg): Save accumulators.
857 (mips_kernel_reg_p): A new for_each_rtx callback.
858 (mips_expand_prologue): Support interrupt handlers.
859 (mips_restore_reg): Restore accumulators.
860 (mips_expand_epilogue): Support interrupt handlers.
861 (mips_can_use_return_insn): Return false for interrupt handlers.
862 (mips_epilogue_uses): New function.
863 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
864 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
865 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
866 cop0_move): New instructions.
867 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
868 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
870 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
872 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
873 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
874 interrupt handlers, we use K0 as the temporary register.
875 (EPILOGUE_USES): Change to a function call.
876 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
877 handlers, we use K0 as the temporary register.
879 * doc/extend.texi (Function Attributes): Document interrupt,
880 use_shadow_register_set, keep_interrupts_masked,
881 use_debug_exception_return for MIPS attributes.
883 2009-04-03 Alan Modra <amodra@bigpond.net.au>
885 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
886 Remove a number of t-files from tmake_file.
887 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
888 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
889 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
890 target_prototype, not TARGET_PROTOTYPE.
891 (LINK_OS_GNU_SPEC): Define.
892 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
893 and darwin-ldoubdle.c.
895 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
898 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
899 (cpp_options): Ditto.
900 (default_compilers): Ditto.
901 (display_help): Ditto.
902 (process_command): Ditto.
904 (set_input): Use lbasename instead of duplicate code.
905 (save_temps_prefix): New static for -save-temps=obj.
906 (save_temps_length): Ditto.
908 * doc/invoke.texi (-save-temps=obj): Document new variant to
911 2009-04-02 Jeff Law <law@redhat.com>
913 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
916 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
918 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
919 * configure: Regenerated.
921 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
923 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
924 share the argument list.
926 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
930 2009-02-12 Diego Novillo <dnovillo@google.com>
932 * varpool.c (debug_varpool): New.
933 * cgraph.h (debug_varpool): Declare.
935 2009-04-02 Jan Hubicka <jh@suse.cz>
937 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
940 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
942 * config/i386/i386.c (ix86_abi): Move initialization to ...
943 (override_options): Here.
945 2009-04-02 Christian Bruel <christian.bruel@st.com>
947 * config/sh/sh.c (sh_dwarf_register_span): New function.
948 (TARGET_DWARF_REGISTER_SPAN): Define.
949 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
951 2009-04-02 Ira Rosen <irar@il.ibm.com>
953 PR tree-optimization/39595
954 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
955 interleaved loads group is not greater than the SLP group size.
957 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
959 * builtins.c (is_builtin_name): New.
960 (called_as_built_in): Use is_builtin_name.
961 * tree.h (is_builtin_name): New.
962 * varasm.c (incorporeal_function_p): Use is_builtin_name
964 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
966 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
968 2009-04-02 Dodji Seketeli <dodji@redhat.com>
971 * c-decl.c: (clone_underlying_type): Move this ...
972 * c-common.c (set_underlying_type): ... here.
973 Also, make sure the function properly sets TYPE_STUB_DECL() on
974 the newly created typedef variant type.
975 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
976 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
978 2009-04-02 Richard Guenther <rguenther@suse.de>
980 PR tree-optimization/37221
981 * tree-flow.h (degenerate_phi_result): Declare.
982 * tree-ssa-dom.c (degenerate_phi_result): Export.
983 * tree-scalar-evolution.c (analyze_initial_condition): If
984 the initial condition is defined by a degenerate PHI node
985 use the degenerate value.
987 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
989 PR rtl-optimization/39588
990 * combine.c (merge_outer_ops): Do not set the constant when this
992 (simplify_shift_const_1): Do not modify it either in this case.
994 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
996 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
997 tuning is deprecated if -mtune value is set to an Itanium1 variant.
999 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1002 * c-lex.c (interpret_float): Default (no suffix) is double.
1004 2009-04-1 Xinliang David Li <davidxl@google.com>
1006 * config/i386/i386.c (legitimate_constant_p): Recognize
1007 all one vector constant.
1009 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1011 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1012 Change #include order to silence two warnings.
1014 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1016 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1017 (ASM_SPEC): Pass -k to the assembler for PIC code.
1019 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1021 * gcc/config.gcc: Add vax-*-linux* to the switch.
1022 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1023 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1025 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1027 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1028 Use predicate macros instead of GET_CODE() == foo.
1029 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1030 ashlsi3, rotrsi3, <unnamed>): Likewise.
1032 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1034 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1035 jbbccihi, jbbccisi): Remova trailing whitespace.
1036 * gcc/config/vax/constraints.md: Likewise.
1037 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1038 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1039 * gcc/config/vax/predicates.md: Likewise.
1040 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1041 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1042 * gcc/config/vax/vax.h: Likewise.
1043 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1045 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1047 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1048 (indirectable_address_p, adjacent_operands_p): Add spaces around
1050 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1052 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1054 * gcc/config/vax/vax.c (legitimate_constant_address_p,
1055 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1056 index_term_p, reg_plus_index_p, legitimate_address_p,
1057 vax_mode_dependent_address_p): Update comments to match functions
1058 modified by the recent int->bool conversion.
1060 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1062 * gcc/config/vax/builtins.md: Update copyright message.
1063 * gcc/config/vax/constraints.md: Likewise.
1064 * gcc/config/vax/netbsd-elf.h: Likewise.
1065 * gcc/config/vax/predicates.md: Likewise.
1066 * gcc/config/vax/vax-protos.h: Likewise.
1067 * gcc/config/vax/vax.c: Likewise.
1068 * gcc/config/vax/vax.h: Likewise.
1069 * gcc/config/vax/vax.md: Likewise.
1070 * gcc/config/vax/vax.opt: Likewise.
1072 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1074 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1075 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1076 * gcc/config/vax/constraints.md (B, R): Likewise.
1077 * gcc/config/vax/predicates.md (external_memory_operand,
1078 nonimmediate_addsub_di_operand): Likewise.
1079 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1080 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1081 untyped_call): Likewise.
1083 2009-04-01 Matt Thomas <matt@3am-software.com>
1085 * config/vax/predicates.md: New file. (symbolic_operand,
1086 local_symbolic_operand, external_symbolic_operand,
1087 external_const_operand, nonsymbolic_operand, external_memory_operand,
1088 indirect_memory_operand, indexed_memory_operand,
1089 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1090 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1092 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
1093 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
1094 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
1095 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
1096 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
1097 * config/vax/vax.opt (mqmath): Add option.
1098 * config/vax/vax.md (isfx): Extend with DI.
1099 (VAXintQH, VAXintQHSD): Define.
1100 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
1101 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
1102 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
1103 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
1104 (movdi): Update constraints and use vax_output_int_move().
1105 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1106 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1107 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1108 nonlocal_goto): New.
1109 (mov<mode>): Extend accepted operand types.
1110 (subdi3_old): Rename from subdi3, change update constraints and use
1111 a new implementation.
1112 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1113 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1114 MOVE_RATIO, CLEAR_RATIO): Define.
1115 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1116 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1117 (PRINT_OPERAND): Redefine using a function instead of inlined code.
1118 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1119 (split_quadword_operands): Make static and really allow variable
1121 (print_operand_address): Update for PIC generation.
1122 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1123 indexable_address_p, fixup_mathdi_operand,
1124 vax_expand_addsub_di_operands, adjacent_operands_p): New.
1125 (vax_float_literal, legitimate_constant_p,
1126 indirectable_constant_address_p, index_term_p,
1127 reg_plus_index_p): Return bool instead of int.
1128 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1130 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1132 (vax_output_conditional_branch): Indent.
1133 (legitimate_constant_address_p, indirectable_constant_address_p,
1134 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1135 vax_mode_dependent_address_p): Return bool instead of int, update for
1137 * config/vax/vax-protos.h (legitimate_constant_address_p,
1138 legitimate_constant_p, legitimate_address_p,
1139 vax_mode_dependent_address_p): Change declaration to bool.
1140 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1141 vax_expand_addsub_di_operands, vax_output_int_subtract,
1142 vax_output_movmemsi): Declare.
1143 (split_quadword_operands, vax_float_literal): Delete declaration.
1144 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1145 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1146 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1147 ASM_OUTPUT_DWARF_PCREL): Define.
1148 (ASM_SPEC): Change definition to allow PIC generation.
1150 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1153 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1154 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1155 (booldi3_internal3): Use boolean_or_operator instead of
1158 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1161 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1162 declarator whose size is not an integer constant expression but
1163 folds to an integer constant, then treat it as a constant
1166 2009-04-01 Richard Guenther <rguenther@suse.de>
1168 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1169 i * 4 + 2 to (i * 2 + 1) * 2.
1171 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1174 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1175 return if c_parser_asm_string_literal returned NULL.
1177 2009-04-01 Nick Clifton <nickc@redhat.com>
1179 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1181 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1182 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1183 other typedefs to avoid conflicts with libgcc2.c. Define labels
1184 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1186 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1187 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1190 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1192 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1194 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1195 Andrey Galkin <agalkin@hypercom.com>
1198 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1199 Make object_name unique for each process.
1201 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1204 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1205 addressable variables in the parallel that could go out of scope while
1206 running queued tasks.
1208 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1210 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1211 (CASE_VALUES_THRESHOLD): Redefine.
1212 * config/avr/avr.c (avr_override_options): Remove initialization of
1213 avr_case_values_threshold variable.
1214 (avr_case_values_threshold): Remove variable. Add new function.
1215 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1216 * config/avr/avr.opt (mno-tablejump): Remove option.
1217 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1219 2009-04-01 DJ Delorie <dj@redhat.com>
1221 * varasm.c (default_function_rodata_section): Don't assume
1222 anything about where the first '.' in the section name is.
1224 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1226 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1227 rs6000_emit_stack_tie.
1229 2009-03-31 Ian Lance Taylor <iant@google.com>
1231 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1232 gimple_code with GIMPLE_RESX, not RESX.
1234 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1236 * c-common.c (c_get_ident): New.
1237 (c_common_nodes_and_builtins): Call it for type names that may be
1240 2009-04-01 Ben Elliston <bje@au.ibm.com>
1242 * config/rs6000/sysv4.opt (msdata): Improve option description.
1244 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1246 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1247 (divdf3_internal_lat): Remove.
1248 (divxf3_internal_lat): Remove.
1249 (divxf3_internal_thr): Remove.
1250 (divxf): Use divxf3_internal.
1251 * config/ia64/div.md (divsf3_internal_lat): New.
1252 (divdf3_internal_lat): New.
1253 (divxf3_internal): New.
1255 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1258 * Makefile.in (USE_GCC_STDINT): Define.
1259 (stmp-int-hdrs): Install stdint.h if applicable.
1260 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1262 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1263 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1264 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1265 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1266 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1267 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1268 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1269 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1270 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1271 (c_common_nodes_and_builtins): Initialize
1272 underlying_wchar_type_node. Do not initialize
1273 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1274 nodes for new types.
1275 (c_stddef_cpp_builtins): Define macros for new types.
1276 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1278 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1279 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1280 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1281 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1282 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1283 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1284 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1285 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1286 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1287 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1288 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1289 int16_type_node, int32_type_node, int64_type_node,
1290 uint8_type_node, uint16_type_node, c_uint32_type_node,
1291 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1292 int_least32_type_node, int_least64_type_node,
1293 uint_least8_type_node, uint_least16_type_node,
1294 uint_least32_type_node, uint_least64_type_node,
1295 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1296 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1297 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1298 uintptr_type_node): Define.
1299 * c-cppbuiltin.c (builtin_define_constants,
1300 builtin_define_type_minmax): New.
1301 (builtin_define_stdint_macros): Define more macros.
1302 (c_cpp_builtins): Define more limit macros.
1304 (builtin_define_type_max): Define in terms of
1305 builtin_define_type_minmax. Remove is_long parameter. All
1307 * config.gcc (use_gcc_stdint): Define.
1308 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1309 Add newlib-stdint.h for generic targets.
1310 * config/glibc-stdint.h, config/newlib-stdint.h,
1311 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1312 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1313 * config/score/score.h (UINTPTR_TYPE): Define.
1314 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1315 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1316 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1317 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1318 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1319 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1320 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1321 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1322 * config/spu/spu.h (STDINT_LONG32): Define.
1323 * configure.ac (use_gcc_stdint): Substitute.
1324 * configure: Regenerate.
1325 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1326 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1327 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1328 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1329 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1330 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1331 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1332 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1333 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1334 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1335 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1336 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1337 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1338 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1339 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1340 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1341 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1342 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1343 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1344 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1345 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1346 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1347 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1348 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1349 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1350 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1351 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1352 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1353 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1355 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1357 * loop-iv.c (suitable_set_for_replacement): Renamed from
1358 simplify_using_assignment; changed to return bool and to accept new
1359 args DEST and SRC. Return true iff we find a source/destination pair
1360 that can be used to make a replacement, and fill SRC and DEST if so.
1361 Remove arg ALTERED. Don't deal with altered regs here. All callers
1363 (simplify_using_initial_values): Deal with altered regs here and track
1364 more precisely the effect they have on the validity of our expression.
1366 * loop-iv.c (simplify_using_condition): A condition of the form
1367 (EQ REG CONST) can be used to simply make a substitution.
1368 (simplify_using_initial_values): Keep track of conditions we have seen
1369 and keep using them to simplify new expressions, while applying the
1370 same substitutions to them as to the expression.
1372 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1373 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1376 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1377 changed. Use this when trying to improve the upper bound.
1378 Generate the comparison by using simplify_gen_relational.
1380 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1382 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1384 (simplify_using_assignment, simplify_using_initial_values): Call
1385 replace_in_expr to make replacements. Call replace_single_def_regs
1386 once on the initial version of the expression.
1388 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1391 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1393 2009-03-31 Richard Guenther <rguenther@suse.de>
1396 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1397 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1399 2009-03-31 Richard Guenther <rguenther@suse.de>
1401 * tree.h (div_if_zero_remainder): Declare.
1402 * fold-const.c (div_if_zero_remainder): Export.
1403 * tree-ssa-forwprop.c
1404 (forward_propagate_addr_into_variable_array_index): Handle
1405 constant array index addition outside of the variable index.
1407 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1410 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1411 define_splits, floatunssi<mode>2): Require x87 conversions from
1412 DImode to be permitted.
1414 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1416 PR preprocessor/15638
1417 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1419 2009-03-31 Richard Guenther <rguenther@suse.de>
1423 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1424 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1425 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1426 a separate statement.
1427 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1428 (lookup_tmp_var): Likewise.
1429 (is_gimple_formal_tmp_or_call_rhs): Remove.
1430 (is_gimple_reg_or_call_rhs): Rename to ...
1431 (is_gimple_reg_rhs_or_call): ... this.
1432 (is_gimple_mem_or_call_rhs): Rename to ...
1433 (is_gimple_mem_rhs_or_call): ... this.
1434 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1435 DECL_GIMPLE_REG_P only if is_formal is true.
1436 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1437 for non-proper post-modify expression gimplification.
1438 (gimplify_self_mod_expr): For post-modify expressions gimplify
1439 the lvalue to a minimal lvalue.
1440 (rhs_predicate_for): Remove formal temp case.
1441 (gimplify_modify_expr_rhs): Likewise.
1442 (gimplify_addr_expr): Use is_gimple_reg.
1443 (gimplify_expr): Remove formal temp cases.
1444 (gimple_regimplify_operands): Likewise.
1445 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1446 and FILTER_EXPR like constants.
1447 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1449 (is_gimple_formal_tmp_rhs): Remove.
1450 (is_gimple_reg_rhs): Remove special casing.
1451 (is_gimple_mem_rhs): Fix.
1452 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1453 (is_gimple_formal_tmp_var): Remove.
1454 (is_gimple_formal_tmp_reg): Likewise.
1455 (is_gimple_min_lval): Allow invariant component ref parts.
1456 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1457 is_gimple_formal_tmp_reg): Remove declarations.
1458 * tree-cfg.c (verify_expr): Verify that variables with address
1459 taken do not have DECL_GIMPLE_REG_P set.
1460 * tree-mudflap.c (mf_build_check_statement_for): Use
1461 force_gimple_operand instead of gimplify_expr.
1463 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1465 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1466 schedulable rows to compute_split_row.
1468 2009-03-31 Ben Elliston <bje@au.ibm.com>
1471 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1474 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1476 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1477 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1478 * configure: Regenerate.
1479 * config.in: Regenerate.
1480 * config/rs6000/rs6000.opt (mtls-markers): Add.
1481 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1482 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1483 (tls_ld_aix, tls_ld_sysv): Likewise.
1484 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1485 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1487 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1489 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1491 2009-03-30 Jan Hubicka <jh@suse.cz>
1493 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1495 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1496 detection and label handling.
1498 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1500 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1501 left_conflicts_size.
1502 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1503 ALLOCNO_LEFT_CONFLICTS_SIZE.
1505 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1506 remove_allocno_from_bucket_and_push,
1507 allocno_spill_priority_compare, push_allocnos_to_stack,
1508 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1509 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1510 (setup_allocno_left_conflicts_num): Ditto. Rename to
1511 setup_allocno_left_conflicts_size.
1512 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1513 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1514 setup_allocno_left_conflicts_size instead of
1515 setup_allocno_left_conflicts_num.
1517 * ira-build.c (ira_create_allocno): Use
1518 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1519 ALLOCNO_LEFT_CONFLICTS_NUM.
1521 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1523 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1524 instead of DF_LR_OUT.
1526 * ira-lives.c (process_bb_node_lives): Ditto.
1528 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1529 instead of DF_LR_{OUT,IN}.
1531 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1533 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1535 2009-03-30 Jan Hubicka <jh@suse.cz>
1537 * except.c (label_to_region_map): Fix thinko.
1539 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1542 * tree.h (tree_find_value): New declaration.
1543 * tree.c (tree_find_value): New function.
1544 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1546 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1549 * c-decl.c (struct c_binding): Add locus field.
1550 (bind): Add locus argument, set locus field from it.
1551 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1552 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1553 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1554 implicitly_declare, undeclared_variable, lookup_label,
1555 declare_label, c_make_fname_decl, c_builtin_function,
1556 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1559 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1562 * config/i386/i386.c (classify_argument): Check total size of
1565 2009-03-30 Martin Jambor <mjambor@suse.cz>
1567 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1568 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1569 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1572 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1573 seen_variable_array_ref while also traversing a union.
1575 * tree-inline.c (optimize_inline_calls): Do not call
1576 cgraph_node_remove_callees.
1577 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1578 (pass_remove_cgraph_callee_edges): New variable.
1579 * passes.c (init_optimization_passes): Add
1580 pass_remove_cgraph_callee_edges after early inlining and before all
1581 late intraprocedural passes.
1583 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1585 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1587 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1590 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1592 * combine.c (simplify_comparison): Use have_insn_for.
1593 * dojump.c (do_jump): Likewise.
1595 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1597 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1598 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1599 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1600 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1601 instead of sparc_compare_emitted.
1602 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1603 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1604 instead of sparc_compare_emitted.
1606 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1608 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1609 enter/exit cfglayout mode.
1610 (pass_partition_block): Require it.
1611 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1612 (combine_instructions): Track basic blocks instead of labels.
1613 (update_cfg_for_uncondjump): New.
1614 (try_combine): Use it. Update jumps after rescanning.
1615 (pass_combine): Require PROP_cfglayout.
1616 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1618 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1620 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1621 Provide/destroy PROP_cfglayout respectively.
1622 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1623 * tree-pass.h (PROP_cfglayout): New.
1625 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1627 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1628 fold_convert_const_fixed_from_fixed,
1629 fold_convert_const_fixed_from_int,
1630 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1631 set TREE_CONSTANT_OVERFLOW.
1632 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1633 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1635 2009-03-30 Ira Rosen <irar@il.ibm.com>
1637 * tree-vect-loop-manip.c: New file.
1638 * tree-vectorizer.c: Update documentation and included files.
1639 (vect_loop_location): Make extern.
1640 (rename_use_op): Move to tree-vect-loop-manip.c
1641 (rename_variables_in_bb, rename_variables_in_loop,
1642 slpeel_update_phis_for_duplicate_loop,
1643 slpeel_update_phi_nodes_for_guard1,
1644 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1645 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1646 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1647 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1648 find_loop_location): Likewise.
1649 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1650 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1651 get_vectype_for_scalar_type, vect_is_simple_use,
1652 supportable_widening_operation, supportable_narrowing_operation):
1654 (bb_in_loop_p): Move to tree-vect-loop.c.
1655 (new_loop_vec_info, destroy_loop_vec_info,
1656 reduction_code_for_scalar_code, report_vect_op,
1657 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1658 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1659 (vect_supportable_dr_alignment): Likewise.
1660 * tree-vectorizer.h (tree-data-ref.h): Include.
1661 (vect_loop_location): Declare.
1662 Reorganize function declarations according to the new file structure.
1663 * tree-vect-loop.c: New file.
1664 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1665 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1666 * tree-vect-data-refs.c: New file.
1667 * tree-vect-patterns.c (timevar.h): Don't include.
1668 * tree-vect-stmts.c: New file.
1669 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1670 tree-vect-slp.c, tree-vect-loop.c.
1671 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1672 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1673 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1674 (tree-vect-analyze.o): Remove.
1675 (tree-vect-transform.o): Likewise.
1676 (tree-vect-data-refs.o): Add rule.
1677 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1678 tree-vect-slp.o): Likewise.
1679 (tree-vect-patterns.o): Remove redundant dependencies.
1680 (tree-vectorizer.o): Likewise.
1681 * tree-vect-slp.c: New file.
1683 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1685 * optc-gen.awk: Warn if an option flag has multiple different
1688 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1690 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1691 -floop-block): Document dependences on PPL, CLooG and Graphite.
1693 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1695 PR rtl-optimization/323
1696 * c-common.c (c_fully_fold, convert_and_check,
1697 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1698 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1699 * c-common.def (EXCESS_PRECISION_EXPR): New.
1700 * c-cppbuiltin.c (builtin_define_float_constants): Define
1701 constants with enough digits for long double.
1702 * c-lex.c (interpret_float): Interpret constant with excess
1703 precision where appropriate.
1704 * c-opts.c (c_common_post_options): Set
1705 flag_excess_precision_cmdline. Give an error for
1706 -fexcess-precision=standard for C++ for processors where the
1707 option is significant.
1708 * c-parser.c (c_parser_conditional_expression): Handle excess
1709 precision in condition.
1710 * c-typeck.c (convert_arguments): Handle arguments with excess
1712 (build_unary_op): Move excess precision outside operation.
1713 (build_conditional_expr): Likewise.
1714 (build_compound_expr): Likewise.
1715 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1716 (build_modify_expr): Handle excess precision in RHS.
1717 (convert_for_assignment): Handle excess precision in converted
1719 (digest_init, output_init_element, process_init_element): Handle
1720 excess precision in initializer.
1721 (c_finish_return): Handle excess precision in return value.
1722 (build_binary_op): Handle excess precision in operands and add
1723 excess precision as needed for operation.
1724 * common.opt (-fexcess-precision=): New option.
1725 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1726 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1727 For standard excess precision, output explicit conversion to and
1728 truncation from XFmode.
1729 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1730 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1731 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1732 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1733 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1734 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1735 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1736 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1737 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1738 define_splits, sqrt<mode>2): Disable where appropriate for
1739 standard excess precision.
1740 * convert.c (convert_to_real): Do not shorten arithmetic to type
1741 for which excess precision would be used.
1742 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1743 * doc/invoke.texi (-fexcess-precision=): Document option.
1744 (-mfpmath=): Correct index entry.
1745 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1746 flag_excess_precision): New.
1747 * langhooks.c (lhd_post_options): Set
1748 flag_excess_precision_cmdline.
1749 * opts.c (common_handle_option): Handle -fexcess-precision=.
1750 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1751 init_excess_precision): New.
1752 (lang_dependent_init_target): Call init_excess_precision.
1753 * tree.c (excess_precision_type): New.
1754 * tree.h (excess_precision_type): Declare.
1756 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1759 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1760 non-lvalue to component.
1762 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1764 PR preprocessor/34695
1765 * Makefile.in (c-opts.o): Depend on c-tree.h.
1766 * c-common.c: Move down include of diagnostic.h.
1767 (done_lexing, c_cpp_error): New.
1768 * c-common.h (done_lexing): Declare.
1769 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1771 * c-opts.c: Include c-tree.h.
1772 (c_common_init_options): Set preprocessor error callback.
1773 (c_common_handle_option): Do not set preprocessor
1774 inhibit_warnings, warnings_are_errors, warn_system_headers,
1775 pedantic_errors or inhibit_warnings flags.
1776 (c_common_post_options): Do not check cpp_errors (parse_in).
1777 (c_common_finish): Do not output dependencies if there were
1778 errors. Do not check return value of cpp_finish.
1779 * c-ppoutput.c (pp_file_change): Set input_location.
1780 * c-tree.h (c_cpp_error): Declare.
1781 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1783 (diagnostic_build_prefix): Check override_column.
1784 * diagnostic.h (diagnostic_info): Add override_column field.
1785 (diagnostic_override_column): Define.
1787 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1789 * c-common.c (c_expand_expr, c_staticp): Remove.
1790 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1791 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1792 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1793 * c-gimplify.c (gimplify_compound_literal_expr,
1794 optimize_compound_literals_in_ctor): Remove.
1795 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1796 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1797 * c-semantics.c (emit_local_var): Remove.
1799 * langhooks-def.h (lhd_expand_expr): Remove.
1800 * langhooks.c (lhd_expand_expr): Remove.
1801 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1803 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1804 handling from c-semantics.c; don't call into langhook.
1805 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1806 * gimplify.c (gimplify_compound_literal_expr,
1807 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1808 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1809 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1810 as was done in c-gimplify.c.
1811 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1812 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1813 Move from c-common.h.
1814 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1816 * tree.c (staticp): Do not call langhook.
1817 * langhooks.c (lhd_staticp): Delete.
1818 * langhooks-def.h (lhd_staticp): Delete prototype.
1819 (LANG_HOOKS_STATICP): Delete.
1820 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1822 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1823 instead of DECL_STMTs.
1825 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1833 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1835 (fold_call_expr): Return a NOP_EXPR from folding rather than the
1836 contained expression.
1837 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1838 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
1839 conditional expressions for C.
1840 (decl_constant_value_for_optimization): Move from
1841 decl_constant_value_for_broken_optimization in c-typeck.c. Check
1842 whether optimizing and that the expression is a VAR_DECL not of
1843 array type instead of doing such checks in the caller. Do not
1844 check pedantic. Call gcc_unreachable for C++.
1845 * c-common.def (C_MAYBE_CONST_EXPR): New.
1846 * c-common.h (c_fully_fold, c_save_expr,
1847 decl_constant_value_for_optimization): New prototypes.
1848 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1849 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1850 EXPR_INT_CONST_OPERANDS): Define.
1851 * c-convert.c (convert): Strip nops from expression.
1852 * c-decl.c (groktypename): Take extra parameters expr and
1853 expr_const_operands. Update call to grokdeclarator.
1854 (start_decl): Update call to grokdeclarator. Add statement for
1855 expressions used in type of decl.
1856 (grokparm): Update call to grokdeclarator.
1857 (push_parm_decl): Update call to grokdeclarator.
1858 (build_compound_literal): Add parameter non_const and build a
1859 C_MAYBE_COSNT_EXPR if applicable.
1860 (grokdeclarator): Take extra parameters expr and
1861 expr_const_operands. Track expressions used in declaration
1862 specifiers and declarators. Fold array sizes and track whether
1863 they are constant expressions and whether they are integer
1864 constant expressions.
1865 (parser_xref_tag): Set expr and expr_const_operands fields in
1867 (grokfield): Update call to grokdeclarator.
1868 (start_function): Update call to grokdeclarator.
1869 (build_null_declspecs): Set expr and expr_const_operands fields in
1871 (declspecs_add_type): Handle expressions in typeof specifiers.
1872 * c-parser.c (c_parser_declspecs): Set expr and
1873 expr_const_operands fields for declaration specifiers.
1874 (c_parser_enum_specifier): Likewise.
1875 (c_parser_struct_or_union_specifier): Likewise.
1876 (c_parser_typeof_specifier): Likewise. Update call to
1877 groktypename. Fold expression as needed. Return expressions with
1878 type instead of adding statements.
1879 (c_parser_attributes): Update calls to c_parser_expr_list.
1880 (c_parser_statement_after_labels): Fold expression before passing
1881 to objc_build_throw_stmt.
1882 (c_parser_condition): Fold expression.
1883 (c_parser_asm_operands): Fold expression.
1884 (c_parser_conditional_expression): Use c_save_expr. Update call
1885 to build_conditional_expr.
1886 (c_parser_alignof_expression): Update call to groktypename.
1887 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
1888 original_code. Fold expression argument of va_arg. Create
1889 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
1890 argument to va_arg. Update calls to groktypename. Fold array
1891 index for offsetof. Verify that first argument to
1892 __builtin_choose_expr has integer type.
1893 (c_parser_postfix_expression_after_paren_type): Update calls to
1894 groktypename and build_compound_literal. Handle expressions with
1895 side effects in type name.
1896 (c_parser_postfix_expression_after_primary): Update call to
1897 c_parser_expr_list. Set original_code for calls to
1898 __builtin_constant_p.
1899 (c_parser_expr_list): Take extra parameter fold_p. Fold
1900 expressions if requested.
1901 (c_parser_objc_type_name): Update call to groktypename.
1902 (c_parser_objc_synchronized_statement): Fold expression.
1903 (c_parser_objc_receiver): Fold expression.
1904 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
1905 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
1906 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
1907 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
1908 (struct c_typespec): Add elements expr and expr_const_operands.
1909 (struct c_declspecs): Add elements expr and expr_const_operands.
1910 (groktypename, build_conditional_expr, build_compound_literal):
1912 (in_late_binary_op): Declare.
1913 * c-typeck.c (note_integer_operands): New function.
1914 (in_late_binary_op): New variable.
1915 (decl_constant_value_for_broken_optimization): Move to c-common.c
1916 and rename to decl_constant_value_for_optimization.
1917 (default_function_array_conversion): Do not strip nops.
1918 (default_conversion): Do not call
1919 decl_constant_value_for_broken_optimization.
1920 (build_array_ref): Do not fold result.
1921 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
1922 result when operand is a VLA.
1923 (c_expr_sizeof_type): Update call to groktypename. Handle
1924 expressions included in type name. Use C_MAYBE_CONST_EXPR for
1925 result when operand names a VLA type.
1926 (build_function_call): Update call to build_compound_literal.
1927 Only fold result for calls to __builtin_* functions. Strip
1928 NOP_EXPR from INTEGER_CST returned from such functions. Fold
1929 the function designator.
1930 (convert_arguments): Fold arguments. Update call to
1931 convert_for_assignment.
1932 (build_unary_op): Handle increment and decrement of
1933 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
1934 decrement earlier. Fold operand of increment and decrement.
1935 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
1936 built for integer operand. Wrap returns that are INTEGER_CSTs
1937 without being integer constant expressions or that have integer
1938 constant operands without being INTEGER_CSTs.
1939 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1940 (build_conditional_expr): Add operand ifexp_bcp. Track whether
1941 result is an integer constant expression or can be used in
1942 unevaluated parts of one and avoid folding and wrap as
1943 appropriate. Fold operands before possibly doing -Wsign-compare
1945 (build_compound_expr): Wrap result for C99 if operands can be used
1946 in integer constant expressions.
1947 (build_c_cast): Update call to digest_init. Do not ignore
1948 overflow from casting floating-point constants to integers. Wrap
1949 results that could be confused with integer constant expressions,
1950 null pointer constants or floating-point constants.
1951 (c_cast_expr): Update call to groktypename. Handle expressions
1952 included in type name.
1953 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
1954 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
1955 Update calls to convert_for_assignment.
1956 (convert_for_assignment): Take new parameter
1957 null_pointer_constant. Do not strip nops or call
1958 decl_constant_value_for_broken_optimization. Set
1959 in_late_binary_op for conversions to boolean.
1960 (store_init_value): Update call to digest_init.
1961 (digest_init): Take new parameter null_pointer_constant. Do not
1962 call decl_constant_value_for_broken_optimization. pedwarn for
1963 initializers not constant expressions. Update calls to
1964 convert_for_assignment.
1965 (constructor_nonconst): New.
1966 (struct constructor_stack): Add nonconst element.
1967 (really_start_incremental_init, push_init_level, pop_init_level):
1968 Handle constructor_nonconst and nonconst element.
1969 (set_init_index): Call constant_expression_warning for array
1971 (output_init_element): Fold value. Set constructor_nonconst as
1972 applicable. pedwarn for initializers not constant expressions.
1973 Update call to digest_init. Call constant_expression_warning
1974 where constant initializers are required.
1975 (process_init_element): Use c_save_expr.
1976 (c_finish_goto_ptr): Fold expression.
1977 (c_finish_return): Fold return value. Update call to
1978 convert_for_assignment.
1979 (c_start_case): Fold switch expression.
1980 (c_process_expr_stmt): Fold expression.
1981 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1982 ensure statement expression is not evaluated in constant expression.
1983 (build_binary_op): Track whether results are integer constant
1984 expressions or may occur in such, disable folding and wrap results
1985 as applicable. Fold operands for -Wsign-compare warnings unless
1987 (c_objc_common_truthvalue_conversion): Handle results folded to
1988 integer constants that are not integer constant expressions.
1989 * doc/extend.texi: Document when typeof operands are evaluated,
1990 that condition of __builtin_choose_expr is an integer constant
1991 expression, and more about use of __builtin_constant_p in
1994 2009-03-29 Richard Guenther <rguenther@suse.de>
1996 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1997 propagate addresses of array references.
1999 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2001 * regmove.c (perhaps_ends_bb_p): Remove.
2002 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2003 from INSN and check that the main loop stays within that basic block.
2004 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2005 (regmove_forward_pass): Split out from regmove_optimize. Use
2006 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2007 (regmove_backward_pass): Split out from regmove_optimize. Use
2008 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2009 (regmove_optimize): Simplify.
2011 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2014 * config/i386/i386.c (classify_argument): Ignore flexible array
2015 member in struct and warn ABI change.
2017 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2019 * config/i386/i386-protos.h (ix86_agi_dependent): New.
2021 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2022 (ix86_adjust_cost): Updated.
2024 2009-03-29 Jan Hubicka <jh@suse.cz>
2027 * tree-pass.h (pass_cleanup_eh): New function.
2028 (remove_unreachable_regions): Break code handling RTL
2029 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2030 that can not be reached by runtime.
2031 (can_be_reached_by_runtime): New function.
2032 (label_to_region_map): New function.
2033 (num_eh_regions): New function.
2034 (rtl_remove_unreachable_regions): New function.
2035 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2036 (remove_eh_region): New function.
2037 * except.h: Include sbitmap and vecprim.
2038 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2039 num_eh_regions): Declare.
2040 * passes.c (init_optimization_passes): Schedule cleanup_eh.
2041 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2042 * tree-eh.c (tree_remove_unreachable_handlers): New function.
2043 (tree_empty_eh_handler_p): New function.
2044 (cleanup_empty_eh): New function.
2045 (cleanup_eh): New function.
2046 (pass_cleanup_eh): New function.
2048 2009-03-29 Jan Hubicka <jh@suse.cz>
2050 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2051 for removed regions.
2053 2009-03-29 Jan Hubicka <jh@suse.cz>
2055 * except.c (dump_eh_tree): Dump all datastructures.
2057 2009-03-29 Jan Hubicka <jh@suse.cz>
2059 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2060 (duplicate_eh_regions_1): Likewise.
2061 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2062 vector; call EH verification.
2063 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2064 Be ready for region being removed.
2066 2009-03-29 Jan Hubicka <jh@suse.cz>
2068 * bitmap.c (bitmap_last_set_bit): New function.
2069 * bitmap.h (bitmap_last_set_bit): Declare.
2071 2009-03-29 David Ayers <ayers@fsfe.org>
2074 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2075 by calling objc_compare_types and surpress warnings about
2076 incompatible C pointers that are compatible ObjC pointers.
2078 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
2080 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2081 call initialize_inline_failed.
2082 (initialize_inline_failed): Move it from here ...
2083 * cgraph.c (initialize_inline_failed): ... to here.
2084 (cgraph_create_edge): Call initialize_inline_failed rather than
2085 setting inline_failed directly.
2087 2009-03-29 Ben Elliston <bje@au.ibm.com>
2090 * sysv4.opt (msdata): Improve comment.
2091 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
2092 * sysv4.h (SVR4_ASM_SPEC): Likewise.
2094 2009-03-29 Ben Elliston <bje@au.ibm.com>
2097 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
2098 load and store attributes.
2100 2009-03-29 Ben Elliston <bje@au.ibm.com>
2102 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
2103 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
2104 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
2105 * doc/extend.texi (X86 Built-in Functions): Add index entries for
2106 __builtin_infq and __builtin_huge_valq.
2108 2009-03-28 Anatoly Sokolov <aesok@post.ru>
2110 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2112 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2113 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2115 2009-03-28 Xinliang David Li <davidxl@google.com>
2117 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
2118 (do_dbg_cnt): New function.
2120 2009-03-28 Jan Hubicka <jh@suse.cz>
2122 Merge from pretty-ipa:
2124 2009-03-27 Jan Hubicka <jh@suse.cz>
2126 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2127 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2128 * passes.c (function_called_by_processed_nodes_p): New.
2129 * ipa-pure-const.c (check_call): Fix handling of operands.
2130 (analyze_function): Dump debug output for skipped bodies.
2131 (local_pure_const): Use function_called_by_processed_nodes_p.
2132 * dwarf2out.c (reference_to_unused): Use output.
2133 * passes.c (do_per_function_toporder): Likewise.
2135 2008-11-12 Jan Hubicka <jh@suse.cz>
2137 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2138 * ipa-pure-const.c (funct_state_d): Add can throw field; make
2139 state_set_in_source enum
2140 (check_decl): Ignore memory tags; do not set fake looping flags;
2142 (check_operand, check_tree, check_rhs_var, check_lhs_var,
2143 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2144 (check_call, analyze_function): Rewrite.
2146 (add_new_function): Update call of analyze_function.
2147 (generate_summary): Add call of analyze_function.
2148 (propagate): Propagate can_throw; handle state_set_in_source correctly.
2149 (local_pure_const): New function.
2150 (pass_local_pure_const): New pass.
2151 * ipa-inline.c (inline_transform): Set after_inlining.
2152 * tree-eh.c (stmt_can_throw_external): New.
2153 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2154 work with aliasing built.
2155 * tree-flow.h (stmt_can_throw_external): New.
2156 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2157 and local pure/const pass in early and late optimization queue.
2159 2009-03-28 Martin Jambor <mjambor@suse.cz>
2161 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2163 (fold_binary): Allow function decl aligment consideration is the
2164 second argument is integer constant one.
2165 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2166 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2167 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2169 2009-03-28 Jan Hubicka <jh@suse.cz>
2171 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2172 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2173 * function.h (rtl_data): Add nothrow flag.
2174 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2175 set DECL_NOTHROW for AVAILABLE functions.
2177 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2179 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2180 following vector keyword has expansion starting with pixel or bool
2181 keyword, expand vector to __vector and pixel or bool to __pixel or
2185 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2186 warn_if_disallowed_function_p): Removed.
2187 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2188 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2189 warning_if_disallowed_function_p.
2190 * flags.h (warn_if_disallowed_function_p,
2191 warn_disallowed_functions): Removed.
2192 * common.opt (Wdisallowed-function-list=): Removed.
2193 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2195 2009-03-28 Richard Guenther <rguenther@suse.de>
2197 PR tree-optimization/38723
2198 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2201 2009-03-28 Jan Hubicka <jh@suse.cz>
2203 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2204 test introduced by my previous patch.
2206 2009-03-28 Richard Guenther <rguenther@suse.de>
2208 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2209 the PHIs value undefined.
2211 2009-03-28 Jan Hubicka <jh@suse.cz>
2213 * tree-pass.h (pass_fixup_cfg): New pass.
2214 * ipa-inline.c (inline_transform): Set
2215 always_inline_functions_inlined/after_inlining.
2216 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2217 (pass_fixup_cfg): New pass.
2218 * passes.c (init_optimization_passes): Add fixup_cfg.
2220 2009-03-28 Richard Guenther <rguenther@suse.de>
2222 PR tree-optimization/38458
2223 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2224 argument use the arguments copy-of value.
2226 2009-03-28 Richard Guenther <rguenther@suse.de>
2228 PR tree-optimization/38180
2229 * tree-ssa-ccp.c (get_default_value): Simplify.
2230 (likely_value): Likewise.
2231 (surely_varying_stmt_p): Properly handle VOP case.
2232 (ccp_initialize): Likewise.
2233 (ccp_fold): Handle propagating through *&.
2234 (fold_const_aggregate_ref): Also handle decls.
2236 2009-03-28 Jan Hubicka <jh@suse.cz>
2238 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2239 * cgraph.h (cgraph_node): Likewise.
2240 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2241 (cgraph_reset_node): Use process flag.
2242 (cgraph_mark_functions_to_output): Likewise.
2243 (cgraph_expand_function): Likewise.
2244 (cgraph_expand_all_functions): Likewise.
2245 (cgraph_output_in_order): Likewise.
2246 * dwarf2out.c (reference_to_unused): Likewise.
2247 * passes.c do_per_function_toporder): Likewise.
2249 2009-03-28 Jan Hubicka <jh@suse.cz>
2251 Bring from lto-branch:
2253 2008-09-03 Doug Kwan <dougkwan@google.com>
2255 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2256 enums instead of reason strings.
2257 * cgraph.c (cgraph_create_edge): Same.
2258 (cgraph_inline_failed_string): New function.
2259 * cgraph.h (cgraph_inline_failed_t): New enum type.
2260 (cgraph_inline_failed_string): New prototype.
2261 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2262 char pointer to cgraph_inline_failed_t.
2263 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2264 (cgraph_default_inline_p): Ditto.
2265 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2266 to cgraph_inline_failed_t pointer.
2267 * cif-code.def: New file.
2268 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2270 (cgraph_check_inline_limits): Change type of REASON to pointer to
2271 cgraph_inline_failed_t. Replace reason strings with enums.
2272 (cgraph_default_inline_p): Ditto.
2273 (cgraph_recursive_inlining_p): Ditto.
2274 (update_caller_keys): Change type of FAILED_REASON to
2275 cgraph_inline_failed_t.
2276 (cgraph_set_inline_failed): Change type of REASON to pointer to
2277 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2278 convert enums to strings for text output.
2279 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2280 to be of type cgraph_inline_failed_t. Replace reason strings with
2281 enums. Call cgraph_inline_failed_string to covert enums
2282 to strings for text output.
2283 (cgraph_decide_inlining): Replace reason strings with enums.
2284 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2285 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2287 * tree-inline.c (expand_call_inline): Change type of REASON
2288 to cgraph_inline_failed_t. Replace reason strings with enums.
2289 Call cgraph_inline_failed_string for text output.
2290 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2293 2009-03-28 Jan Hubicka <jh@suse.cz>
2295 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2296 cgraph_clone_node): Remove master clone handling.
2297 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2298 * cgraph.h (master_clone): Remove.
2299 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2300 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2301 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2303 2009-03-28 Jan Hubicka <jh@suse.cz>
2305 * cgraph.c (cgraph_function_body_availability): Functions declared
2306 inline are always safe to assume that it is not going to be replaced.
2308 2009-03-28 Richard Guenther <rguenther@suse.de>
2310 PR tree-optimization/38513
2311 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2312 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2313 EXC_PTR_EXPR and FILTER_EXPR.
2314 (get_ref_from_reference_ops): Likewise.
2316 2009-03-28 Richard Guenther <rguenther@suse.de>
2318 PR tree-optimization/38968
2319 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2320 Use FLOOR_MOD_EXPR to compute misalignment.
2322 2009-03-28 Richard Guenther <rguenther@suse.de>
2324 PR tree-optimization/37795
2325 * tree.h (combine_comparisons): Declare.
2326 * fold-const.c (combine_comparisons): Export.
2327 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2329 (ifcombine_iforif): Use combine_comparisons.
2331 2009-03-28 Jan Hubicka <jh@suse.cz>
2333 * tree-eh.c (inlinable_call_p): New function.
2334 (make_eh_edges): Use it.
2335 (verify_eh_edges): Use it.
2336 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2337 * except.c (reachable_next_level): Add inlinable_function argument
2338 (sjlj_find_directly_reachable_regions): Update.
2339 (add_reachable_handler): Do not set saw_any_handlers.
2340 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2341 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2342 Add new inlinable call parameter.
2343 (can_throw_internal, can_throw_external): Update.
2344 * except.h (can_throw_internal_1, can_throw_external_1,
2345 foreach_reachable_handler): Update declaration.
2347 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2349 * config/arm/t-arm-coff, config/h8300/coff.h,
2350 config/i386/i386-aout.h, config/i386/i386-coff.h,
2351 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2352 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2353 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2354 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2355 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2356 sys-types.h: Remove.
2357 * Makefile.in: Remove protoize and fixproto support and references
2359 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2360 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2362 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2363 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2364 unprotoize$(exeext).
2365 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2366 (.PHONY): Don't depend on proto.
2367 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2368 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2369 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2370 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2371 build/gen-protos.o, build/scan.o, xsys-protos.h,
2372 build/fix-header$(build_exeext), build/fix-header.o,
2373 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2374 stmp-install-fixproto): Remove.
2375 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2376 SYSCALLS.c or fixproto files.
2377 (install-common): Don't install protoize.
2378 (install-headers-tar, install-headers-cpio, install-headers-cp):
2379 Don't depend on $(STMP_FIXPROTO).
2380 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2381 install fixproto files or write out fixproto settings.
2382 (uninstall): Don't uninstall protoize.
2383 * config.gcc (use_fixproto): Remove.
2384 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2385 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2386 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2387 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2388 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2389 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2390 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2391 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2392 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2393 * config/t-vxworks (STMP_FIXPROTO): Remove.
2394 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2395 STMP_FIXPROTO): Remove.
2396 * config.in, configure: Regenerate.
2397 * crtstuff.c (gid_t, uid_t): Don't undefine.
2398 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2399 (arm-*-coff, arm-*-aout: Remove target entries.
2400 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2401 Remove mention of AIX 4.1.
2402 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2403 * doc/invoke.texi (Running Protoize): Remove.
2404 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2405 (Protoize Caveats): Remove.
2406 * tsystem.h: Update comments on headers assumed to exist.
2408 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2410 * genautomata.c: Add a new year to the copyright. Add a new
2412 (struct insn_reserv_decl): Add comments for member bypass_list.
2413 (find_bypass): Remove.
2414 (insert_bypass): New.
2415 (process_decls): Use insert_bypass.
2416 (output_internal_insn_latency_func): Output all bypasses with the
2417 same input insn in one switch case.
2419 * rtl.def (define_bypass): Describe bypass choice.
2420 * doc/md.texi (define_bypass): Ditto.
2422 2009-03-27 Richard Guenther <rguenther@suse.de>
2424 * gimplify.c (mark_addressable): Export.
2425 * tree-flow.h (mark_addressable): Declare.
2426 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2427 * tree-ssa.c (verify_phi_args): Verify that address taken
2428 variables have TREE_ADDRESSABLE set.
2430 2009-03-27 Richard Guenther <rguenther@suse.de>
2432 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2433 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2434 Do not mark decls TREE_ADDRESSABLE.
2435 (build_fold_addr_expr): Adjust.
2436 (fold_addr_expr): Remove.
2437 (fold_unary): Use build_fold_addr_expr.
2438 (fold_comparison): Likewise.
2439 (split_address_to_core_and_offset): Likewise.
2440 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2442 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2443 (gimplify_modify_expr_to_memcpy): Mark source and destination
2445 * omp-low.c (create_omp_child_function): Mark the object decl
2447 (lower_rec_input_clauses): Mark the var we take the address of
2449 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2451 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2454 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2455 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2457 2009-03-27 Richard Guenther <rguenther@suse.de>
2459 PR tree-optimization/39120
2460 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2462 (handle_lhs_call): Process return constraints. Add escape
2463 constraints if necessary.
2464 (handle_const_call): Fill out return constraints. Make nested
2465 case more precise. Avoid consttmp if possible.
2466 (handle_pure_call): Fill out return constraints. Avoid
2467 callused if possible.
2468 (find_func_aliases): Simplify call handling.
2470 2009-03-27 Richard Guenther <rguenther@suse.de>
2472 PR tree-optimization/39120
2473 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2474 as a representative.
2475 (solve_graph): Do propagate CALLUSED.
2476 (handle_pure_call): Use a scalar constraint from CALLUSED for
2478 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2481 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2484 * c-common.c (handle_aligned_attribute): Properly check alignment
2485 overflow. Use (1U << i) instead of (1 << i).
2487 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2489 * expr.h (get_mem_align_offset): Updated.
2491 * tree.h (tree_decl_common): Change align to "unsigned int" and
2492 move it before pointer_alias_set.
2494 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2495 Jakub Jelinek <jakub@redhat.com>
2498 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2499 gr_register_operand with gr_reg_or_0_operand.
2500 (cmpxchg_rel_di): Likewise.
2501 (sync_lock_test_and_set<mode>): Likewise.
2503 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2505 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2506 (true_regnum): Likewise.
2508 * rtlanal.c (subreg_info): Moved to ...
2509 * rtl.h (subreg_info): Here. New.
2510 (subreg_get_info): New.
2512 * rtlanal.c (subreg_get_info): Make it extern.
2514 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2517 * config/i386/i386.c (ix86_abi): New.
2518 (override_options): Handle -mabi=.
2519 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2520 (ix86_call_abi_override): Likewise.
2521 (init_cumulative_args): Likewise.
2522 (function_arg_advance): Likewise.
2523 (function_arg_64): Likewise.
2524 (function_arg): Likewise.
2525 (ix86_pass_by_reference): Likewise.
2526 (ix86_function_value_regno_p): Likewise.
2527 (ix86_build_builtin_va_list_abi): Likewise.
2528 (setup_incoming_varargs_64): Likewise.
2529 (is_va_list_char_pointer): Likewise.
2530 (ix86_init_machine_status): Likewise.
2531 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2532 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2533 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2534 (ix86_function_abi): Make it static and return enum calling_abi.
2535 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2537 (ix86_fn_abi_va_list): Updated.
2539 * config/i386/i386.h (ix86_abi): New.
2540 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2541 (CONDITIONAL_REGISTER_USAGE): Likewise.
2542 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2543 (machine_function): Likewise.
2545 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2547 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2548 (STACK_BOUNDARY): Likewise.
2549 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2551 * config/i386/i386.opt (mabi=): New.
2553 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2554 return enum calling_abi.
2555 (ix86_function_type_abi): Likewise.
2556 (ix86_function_abi): Removed.
2558 * doc/invoke.texi: Document -mabi= option for x86.
2560 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2562 * builtins.c (real_dconstp): Delete.
2563 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2565 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2566 Jakub Jelinek <jakub@redhat.com>
2569 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2570 (gen_subprogram_die): When a function is explicit, generate the
2571 DW_AT_explicit attribute.
2572 * langhooks.h (struct lang_hooks_for_decls): Add
2573 function_decl_explicit_p langhook.
2574 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2575 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2577 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2579 * builtins.c (fold_builtin_memory_op): Optimize memmove
2580 into memcpy if we can prove source and destination don't overlap.
2582 * tree-inline.c: Include gt-tree-inline.h.
2583 (clone_fn_id_num): New variable.
2584 (clone_function_name): New function.
2585 (tree_function_versioning): Use it.
2586 * Makefile.in (GTFILES): Add tree-inline.c.
2588 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2590 * BASE-VER: Change to 4.5.0.
2592 2009-03-27 Xinliang David Li <davidxl@google.com>
2594 PR tree-optimization/39557
2595 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2597 2009-03-27 Xinliang David Li <davidxl@google.com>
2599 PR tree-optimization/39548
2600 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2603 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2605 * c-common.c (pointer_int_sum): Use %wd on return from
2608 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2610 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2611 on return from tree_low_cst.
2613 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2616 * ginclude/stdarg.h (va_copy): Define also for
2617 __GXX_EXPERIMENTAL_CXX0X__.
2619 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2622 * builtins.h (c_strlen): Do not warn here.
2623 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2624 * c-common.c (pointer_int_sum): Take an explicit location.
2625 Warn about offsets out of bounds.
2626 * c-common.h (pointer_int_sum): Adjust declaration.
2628 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2630 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2633 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2636 * opts.c (warn_if_disallowed_function_p): Don't assume
2637 get_callee_fndecl must return non-NULL.
2639 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2641 PR rtl-optimization/39522
2642 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2643 when reg_reloaded_valid is set.
2645 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2647 * config/spu/divv2df3.c: New file.
2648 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2649 (DPBIT_FUNCS): Filter out _div_df.
2651 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2653 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2654 a jump insn, count that jump in the distance to the loop start.
2656 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2659 * config/sh/sh.c (calc_live_regs): Fix condition for global
2660 registers except PIC_OFFSET_TABLE_REGNUM.
2662 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2665 * doc/invoke.texi (-mconsole): New.
2669 (-mnop-fun-dllimport): New.
2673 (sub section "i386 and x86-64 Windows Options"): New.
2675 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2677 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2678 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2680 2009-03-25 Richard Guenther <rguenther@suse.de>
2683 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2686 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2688 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2689 neither of haifa/selective schedulers are working.
2691 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2693 * doc/invoke.texi (Debugging Options): Fix description of
2694 -fno-merge-debug-strings.
2696 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2698 * config/cris/libgcc.ver: New version-script.
2699 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2701 * configure.ac <GAS features, nop mnemonic>: Add pattern
2702 crisv32-*-* for "nop".
2703 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2704 * configure: Regenerate.
2706 2009-03-24 Ira Rosen <irar@il.ibm.com>
2708 PR tree-optimization/39529
2709 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2710 mark_sym_for_renaming for the tag copied to the new vector
2713 2009-03-24 Arthur Loiret <aloiret@debian.org>
2715 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2716 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2717 EXTRA_SPEC_FUNCTIONS.
2718 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2719 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2720 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2721 -march and -mtune options.
2723 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2725 * config/m68k/t-rtems: Add m5329 multilib.
2727 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2728 Jakub Jelinek <jakub@redhat.com>
2731 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2734 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2737 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2738 instead of c_parser_expression_conv, if original_code isn't one of the
2739 4 allowed comparison codes, fail.
2741 2009-03-23 Richard Guenther <rguenther@suse.de>
2743 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2744 * tree.h (struct tree_type): Likewise.
2745 * reload.h (struct insn_chain): Likewise.
2746 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2747 * function.h (struct function): Likewise.
2748 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2750 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2752 PR tree-optimization/39516
2753 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2755 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2757 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2758 should be set true if BITS_PER_WORD of target is bigger than 32
2760 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2762 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2763 Translate -B-options to -rpath-link. Correct existing
2764 rpath-link and conditionalize on !nostdlib.
2766 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2768 * doc/extend.texi (Function Attributes, Variable Attributes):
2770 * doc/invoke.texi (Debugging Options, Optimize Options)
2771 (i386 and x86-64 Options, MCore Options): Likewise.
2773 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2776 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2777 it for block local namespace aliases.
2778 (gen_decl_die): Pass context_die to gen_namespace_die.
2780 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2783 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2784 minimum or maximum value.
2786 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2788 * reginfo.c (globalize_reg): Recompute derived reg sets.
2790 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2793 * libgcc2.c (mprotect): Do not use signed arguments for
2794 VirtualProtect, use DWORD arguments. Also fix the 'may
2795 be used uninitialized' warning for the np variable.
2797 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2800 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2801 functions using regparm calling conventions when not optimizing.
2802 (ix86_function_sseregparm): Similarly for sseregparm calling
2805 2009-03-19 Li Feng <nemokingdom@gmail.com>
2808 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2809 dependence if the first conflict is after niter iterations.
2811 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
2814 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2815 functions with dynamic stack-pointer adjustments.
2817 2009-03-19 Ben Elliston <bje@au.ibm.com>
2819 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2820 option; change to -msdata=data.
2822 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2824 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2827 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
2830 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2832 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
2834 * doc/invoke.texi (Code Gen Options): Expand discussion of
2837 2009-03-18 Jakub Jelinek <jakub@redhat.com>
2839 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2840 * matrix-reorg.c (struct matrix_info): Likewise.
2841 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2842 * rtl.h (struct mem_attrs): Likewise.
2843 * df.h (struct df): Likewise.
2844 * tree-data-ref.h (struct data_dependence_relation): Likewise.
2845 * ira-int.h (struct ira_allocno): Likewise.
2846 * df-scan.c (struct df_collection_rec): Likewise.
2847 * ira.c (struct equivalence): Likewise.
2848 * function.c (struct temp_slot): Likewise.
2849 * cfgloop.h (struct loop): Likewise.
2852 * function.c (use_register_for_decl): When not optimizing, disregard
2853 register keyword for variables with types containing methods.
2855 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
2858 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
2859 (is_simple_operand): Call contains_component_ref_p before calling data
2860 reference analysis that would fail on COMPONENT_REFs.
2862 * tree-vrp.c (search_for_addr_array): Fix formatting.
2864 2009-03-18 Richard Guenther <rguenther@suse.de>
2866 * tree-vect-transform.c (vect_loop_versioning): Fold the
2867 generated comparisons.
2868 * tree-vectorizer.c (set_prologue_iterations): Likewise.
2869 (slpeel_tree_peel_loop_to_edge): Likewise.
2871 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2874 * opts.c (print_specific_help): In addition to `undocumented',
2875 accept `separate' and `joined' flags if passed alone. Describe
2876 output by the first matched one of those.
2877 (common_handle_option): Skip over empty strings.
2878 * gcc.c (display_help): Fix help string for `--help='.
2879 * doc/invoke.texi (Option Summary, Overall Options): With
2880 `--help=', classes and qualifiers can both be repeated, but
2881 only the latter can be negated. One should not pass only
2882 negated qualifiers. Fix markup and examples.
2885 2008-10-14 Jakub Jelinek <jakub@redhat.com>
2887 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
2888 and -fhelp=separate.
2890 2009-03-17 Jing Yu <jingyu@google.com>
2893 * function.h (struct rtl_data): Move is_thunk from here...
2894 (struct function): ...to here.
2895 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
2896 * varasm.c (assemble_start_function): Change is_thunk from crtl to
2898 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
2900 (alpha_does_function_need_gp, alpha_start_function): Likewise.
2901 (alpha_output_function_end_prologue): Likewise.
2902 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
2903 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
2904 (rs6000_output_function_epilogue): Likewise.
2905 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2907 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
2910 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
2911 from different units in a single alternative.
2912 (*truncdfsf_i387): Ditto.
2913 (*truncxfsf2_mixed): Ditto.
2914 (*truncxfdf2_mixed): Ditto.
2916 2009-03-17 Jakub Jelinek <jakub@redhat.com>
2918 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2919 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2922 * tree-ssa-live.c (remove_unused_locals): Don't remove local
2923 unused non-artificial variables when not optimizing.
2926 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2927 DW_TAG_imported_module even if decl is IMPORTED_DECL with
2928 NAMESPACE_DECL in its DECL_INITIAL.
2931 * optabs.c (set_user_assembler_libfunc): New function.
2932 * expr.h (set_user_assembler_libfunc): New prototype.
2933 * c-common.c: Include libfuncs.h.
2934 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2935 for memcmp, memset, memcpy, memmove and abort.
2936 * Makefile.in (c-common.o): Depend on libfuncs.h.
2939 * dwarf2out.c (gen_inlined_enumeration_type_die,
2940 gen_inlined_structure_type_die, gen_inlined_union_type_die,
2941 gen_tagged_type_instantiation_die): Removed.
2942 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2945 2009-03-17 Janis Johnson <janis187@us.ibm.com>
2948 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2950 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2951 (check-parallel-%): Ditto.
2952 (check-consistency): Ditto.
2954 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
2956 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2957 local variable rhs by NULL_TREE.
2959 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2962 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2964 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2967 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2969 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2972 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2973 for ms->sysv ABI calls only in 64bit mode.
2975 * config/i386/i386.md (untyped_call): Support 32bit.
2977 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
2979 * doc/extend.texi: Replace x86_65 with x86_64.
2981 2009-03-16 Jakub Jelinek <jakub@redhat.com>
2983 PR tree-optimization/39455
2984 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2985 mismatches for POINTER_TYPE_P (type).
2986 (number_of_iterations_le): Likewise.
2988 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2990 * config/picochip/picochip.c: Removed profiling support.
2991 * config/picochip/picochip.md: Removed profiling instruction.
2992 * config/picochip/picochip.h: Removed profiling builtin.
2994 2009-03-16 Joseph Myers <joseph@codesourcery.com>
2996 * doc/install.texi (--with-host-libstdcxx): Document.
2998 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3001 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3002 generate a warning if the function name does not begin with
3003 "__vector" and the function has either the 'signal' or 'interrupt'
3004 attribute, from here to ...
3005 (avr_declare_function_name): ...here. New function.
3006 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3007 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3009 2009-03-14 Jakub Jelinek <jakub@redhat.com>
3012 * cse.c (fold_rtx): Don't modify original const_arg1 when
3013 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3014 separate variable instead.
3015 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3016 from out of range shift counts.
3017 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3019 2008-03-13 Catherine Moore <clm@codesourcery.com>
3021 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3022 diagnostic.h with $(DIAGNOSTIC_H).
3024 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3027 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3029 * config/i386/sync.md (sync_compare_and_swap<mode>,
3030 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3031 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3033 (sync_double_compare_and_swapdi_pic,
3034 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3035 cmpxchg8b_pic_memory_operand instead of just memory_operand.
3037 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3040 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3042 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3045 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3046 (avx_addsubv4df3): Likewise.
3047 (*avx_addsubv4sf3): Likewise.
3048 (sse3_addsubv4sf3): Likewise.
3050 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3053 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3055 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
3058 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3059 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3060 registers for allocnos created from user-defined variables.
3062 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3065 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3066 of non-integer mode as well.
3068 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
3070 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3071 for functions for which the parameter types are unknown.
3073 2009-03-11 Jakub Jelinek <jakub@redhat.com>
3076 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3077 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3078 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3079 * config/i386/i386.c (ix86_local_alignment): For
3080 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3081 long long variables on the stack to avoid dynamic realignment.
3082 Allow the first argument to be a decl rather than type.
3083 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3085 2009-03-11 Nick Clifton <nickc@redhat.com>
3088 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
3090 Add description to mno-lsim option.
3091 * config/mcore/mcore.h: Remove comment about deprecated m4align
3093 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
3094 * doc/invoke.texi: Add description of mno-lsim and
3095 mstack-increment options.
3097 * config/fr30/fr30.opt: Document the -mno-lsim option.
3098 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
3099 and -mno-lsim options.
3101 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3103 * fold-const.c (fold_comparison): Only call fold_inf_compare
3104 if the mode supports infinities.
3106 2009-03-11 Jason Merrill <jason@redhat.com>
3109 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3110 end already did. Notice GIMPLE_CALL modifications of the result.
3111 Don't copy debug information from an ignored decl or a decl from
3114 2009-03-10 Richard Guenther <rguenther@suse.de>
3115 Nathan Froyd <froydnj@codesourcery.com>
3118 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3119 (__divMODE3): Likewise.
3121 2009-03-09 Jakub Jelinek <jakub@redhat.com>
3123 PR tree-optimization/39394
3124 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3125 DECL_SIZE_UNIT of variable length FIELD_DECLs.
3127 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3129 * recog.c (verfiy_changes): Disallow renaming of hard regs in
3130 inline asms for register asm ("") declarations.
3132 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
3134 * fold-const.c (fold_unary): Fix comment.
3136 2009-03-07 Jan Hubicka <jh@suse.cz>
3139 * tree-inline.c (setup_one_parameter): Do replacement of const
3140 argument by constant in SSA form.
3142 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3145 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3146 determine alignment passed to assign_stack_local.
3147 (assign_parms_unsplit_complex): Likewise.
3148 * except.c (sjlj_build_landing_pads): Likewise.
3150 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3153 * tree-flow.h (add_referenced_var): Return bool instead of void.
3154 * tree-dfa.c (add_referenced_var): Return result of
3155 referenced_var_check_and_insert call.
3156 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3157 of referenced_var_check_and_insert.
3160 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3161 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3162 DIE, don't emit it if abstract origin already has it.
3163 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3164 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3166 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3168 * genpreds.c (needs_variable): Fix parentheses at variable name
3170 (write_tm_constrs_h): Indent generated code.
3172 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3174 * doc/extend.texi (Function Attributes): Add documentation
3177 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3180 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3181 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3183 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3185 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3188 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3191 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3192 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3194 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3196 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3197 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3198 constants instead of magic numbers.
3199 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3201 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3202 (x86_64_ms_abi_int_parameter_registers): Ditto.
3203 (x86_64_int_return_registers): Ditto.
3204 (ix86_maybe_switch_abi): Ditto.
3205 (ix86_expand_call): Ditto for clobbered_registers array.
3206 (ix86_hard_regno_mode_ok): Ditto.
3207 (x86_extended_QIreg_mentioned_p): Ditto.
3209 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3211 PR tree-optimization/39349
3212 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3214 * combine.c (gen_lowpart_for_combine): Use omode when generating
3217 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3219 PR rtl-optimization/39235
3220 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3222 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3224 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3226 2009-03-04 Richard Guenther <rguenther@suse.de>
3228 PR tree-optimization/39362
3229 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3230 that occur in abnormal PHIs should be varying.
3232 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3234 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3236 (simple_iv): Take loop as an argument instead of statement.
3237 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3238 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3240 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3242 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3243 * matrix-reorg.c (analyze_transpose): Ditto.
3244 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3245 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3246 * tree-predcom.c (ref_at_iteration): Ditto.
3247 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3249 2009-03-04 Richard Guenther <rguenther@suse.de>
3251 PR tree-optimization/39358
3252 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3253 escaped_id and callused_id.
3254 (solve_graph): Likewise.
3256 2009-03-04 Richard Guenther <rguenther@suse.de>
3258 PR tree-optimization/39339
3259 * tree-sra.c (try_instantiate_multiple_fields): Make it
3260 no longer ICE on the above.
3262 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3264 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3265 that fits within Pmode.
3267 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3270 * tm.texi (LIBCALL_VALUE): Update description.
3272 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3275 * doc/extend.texi (section): Update description.
3277 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3280 * tree-inline.c (remapped_type): New.
3281 (can_be_nonlocal): Call remapped_type instead of remap_type.
3283 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3286 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3287 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3289 2009-03-03 Richard Guenther <rguenther@suse.de>
3292 * tree.c (tree_nonartificial_location): New function.
3293 * tree.h (tree_nonartificial_location): Declare.
3294 * builtins.c (expand_builtin_memory_chk): Provide location
3295 of the call location for artificial function pieces.
3296 (maybe_emit_chk_warning): Likewise.
3297 (maybe_emit_sprintf_chk_warning): Likewise.
3298 (maybe_emit_free_warning): Likewise.
3299 * expr.c (expand_expr_real_1): Likewise.
3301 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3303 PR tree-optimization/39343
3304 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3305 COMPONENT_REF t has ARRAY_TYPE.
3307 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3310 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3311 when the type precision of the induction variable should be
3312 larger than the type precision of nit.
3313 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3314 * graphite.c (graphite_loop_normal_form): Same.
3315 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3317 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3319 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3320 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3321 numbers to describe clobbered registers.
3322 (*call_value_0_rex64_ms_sysv): Ditto.
3323 * config/i386/mmx.md (mmx_emms): Ditto.
3326 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3328 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3331 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3333 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3334 (spu_section_type_flags): New function.
3336 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3338 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3339 reg_class_contents of FLOAT_REGS into a temporary.
3341 2009-03-02 Richard Guenther <rguenther@suse.de>
3342 Ira Rosen <irar@il.ibm.com>
3344 PR tree-optimization/39318
3345 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3346 information to the vectorized statement.
3348 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3350 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3351 variable. Use defined names instead of magic constants for REX SSE
3354 2009-03-01 Richard Guenther <rguenther@suse.de>
3356 PR tree-optimization/39331
3357 * omp-low.c (lower_send_shared_vars): Do not receive new
3358 values for the reference of DECL_BY_REFERENCE parms or results.
3360 2009-03-01 Jan Hubicka <jh@suse.cz>
3363 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3364 BLOCK_NONLOCALIZED_VAR): New macros.
3365 (tree_block): Add nonlocalized_vars.
3366 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3367 gen_decl_die): Add origin argument. Allow generation of die with
3368 origin at hand only.
3369 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3370 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3372 (gen_block_die): Fix checking for unused blocks.
3373 (process_scope_var): Break out from .... ; work with origins only.
3374 (decls_for_scope) ... here; process nonlocalized list.
3375 (dwarf2out_ignore_block): Look for nonlocalized vars.
3376 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3378 (dump_scope_block): Dump them.
3379 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3380 (remap_block): Likewise.
3381 (can_be_nonlocal): New predicate.
3382 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3384 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3386 * configure: Regenerate.
3388 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3390 * optc-gen.awk: No need to duplicate option flags twice.
3391 Reuse help texts for duplicate options which do not have any.
3393 * gcc.c (display_help): Document --version.
3395 * gcc.c (main): If print_help_list and verbose_flag, ensure
3396 driver output comes before subprocess output.
3398 * optc-gen.awk: Assign all remaining fields to help string,
3399 space-separated, for multi-line help in *.opt.
3401 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3402 -Wno-pedantic-ms-format is for MinGW targets only.
3404 * doc/options.texi (Option file format): Fix bad indentation,
3405 restoring dropped sentence.
3407 2009-02-28 Jan Hubicka <jh@suse.cz>
3409 * tree-inline.c (tree_function_versioning): Output debug info.
3411 2009-02-28 Jan Hubicka <jh@suse.cz>
3414 * tree-inline.c (setup_one_parameter): Do not copy propagate
3415 arguments when not optimizing.
3417 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3420 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3421 (avx_addsubv4df3): Likewise.
3422 (*avx_addsubv4sf3): Likewise.
3423 (sse3_addsubv4sf3): Likewise.
3424 (*avx_addsubv2df3): Likewise.
3425 (sse3_addsubv2df3): Likewise.
3426 (avx_unpckhps256): Correct item selectors.
3427 (avx_unpcklps256): Likewise.
3428 (avx_unpckhpd256): Likewise.
3429 (avx_unpcklpd256): Likewise.
3431 2009-02-28 Jan Hubicka <jh@suse.cz>
3433 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3435 (copy_arguments_for_versioning): If var is declared don't declare it.
3436 (tree_function_versioning): First setup substitutions and then copy
3439 2009-02-27 Jan Hubicka <jh@suse.cz>
3442 * cgraph.h (varpool_output_debug_info): Remove.
3443 * cgraphunit.c (varpool_output_debug_info): Remove.
3444 * dwarf2out.c (deferred_locations_struct): New struct
3445 (deferred_locations): New type.
3446 (deferred_locations_list): New static var.
3447 (deffer_location): New function.
3448 (gen_variable_die): Use it.
3449 (decls_for_scope): Output info on local static vars.
3450 (dwarf2out_finish): Process deferred locations.
3451 * varpool.c (varpool_output_debug_info): Remove.
3453 2009-02-27 Jan Hubicka <jh@suse.cz>
3456 * tree.h (TREE_PROTECTED): Fix comment.
3457 (BLOCK_HANDLER_BLOCK): Remove.
3458 (struct tree_block): Remove handler_block add body_block.
3459 (inlined_function_outer_scope_p): New.
3460 (is_body_block): Remove.
3461 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3462 * dwarf2out.c (is_inlined_entry_point): Remove.
3463 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3464 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3466 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3467 * gimplify.c (gimplify_expr): Gimplify body blocks.
3468 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3469 block with multiple subblocks.
3470 (dump_scope_block): Prettier output; dump more flags and info.
3471 (dump_scope_blocks): New.
3472 (remove_unused_locals): Use dump_scope_blocks.
3473 * tree-flow.h (dump_scope_blocks): Declare.
3474 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3475 * stmt.c (is_body_block): Remove.
3476 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3477 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3479 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3482 * graphite.c (graphite_loop_normal_form): Do not call
3483 number_of_iterations_exit from a gcc_assert.
3485 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3487 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3488 jumps if COND is NULL.
3489 (find_cond_jump): New function.
3490 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3491 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3493 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3495 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3496 force_const_mem returns NULL_RTX.
3498 2009-02-26 Jan Hubicka <jh@suse.cz>
3501 * cgraph.h (varpool_output_debug_info): Remove.
3502 * cgraphunit.c (varpool_output_debug_info): Remove.
3503 * dwarf2out.c (deferred_locations_struct): New struct
3504 (deferred_locations): New type.
3505 (deferred_locations_list): New static var.
3506 (deffer_location): New function.
3507 (gen_variable_die): Use it.
3508 (decls_for_scope): Output info on local static vars.
3509 (dwarf2out_finish): Process deferred locations.
3510 * varpool.c (varpool_output_debug_info): Remove.
3512 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3514 PR rtl-optimization/39241
3515 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3516 to subreg_offset_representable_p.
3518 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3520 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3521 execute function prototype. Get f and nregs from max_reg_num
3522 and get_insns. Remove the first backward pass as it's dead,
3523 guard the forward pass by flag_expensive_optimizations.
3524 (rest_of_handle_regmove): Delete.
3525 (pass_regmove): Replace it with regmove_optimize.
3527 2009-02-25 Martin Jambor <mjambor@suse.cz>
3529 PR tree-optimization/39259
3530 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3531 calls_alloca function flags.
3532 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3535 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3537 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3538 flags_set_1_rtx, flags_set_1_set): Delete.
3539 (regmove_optimize): Do not call mark_flags_life_zones.
3541 2009-02-24 Julian Brown <julian@codesourcery.com>
3544 * config/arm/arm.c (require_pic_register): Only set
3545 cfun->machine->pic_reg once per function.
3547 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3549 * doc/invoke.texi (Link Options): Document an easier way to pass
3550 options that take arguments to the GNU linker using -Xlinker and -Wl.
3552 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3555 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3557 2009-02-24 Richard Guenther <rguenther@suse.de>
3560 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3562 2009-02-24 Richard Guenther <rguenther@suse.de>
3563 Zdenek Dvorak <ook@ucw.cz>
3565 PR tree-optimization/39233
3566 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3567 from converting them to a generic type.
3569 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3571 PR tree-optimization/39260
3572 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3573 contains a condition with a real type.
3574 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3576 2009-02-23 Jason Merrill <jason@redhat.com>
3579 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3580 narrowing_initializer_constant_valid_p.
3581 (narrowing_initializer_constant_valid_p): Don't return
3582 null_pointer_node for adding a pointer to itself.
3584 2009-02-23 Jan Hubicka <jh@suse.cz>
3587 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3590 2009-02-23 Jan Hubicka <jh@suse.cz>
3592 PR tree-optimization/37709
3593 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3594 * tree.h (block_ultimate_origin): Declare.
3595 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3596 * tree-ssa-live.c (remove_unused_scope_block_p):
3597 Eliminate blocks containig no instructions nor live variables nor
3599 (dump_scope_block): New function.
3600 (remove_unused_locals): Enable removal of dead blocks by default;
3601 enable dumping at TDF_DETAILS.
3603 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3605 * config/i386/i386.c (classify_argument): Don't allow COImode
3607 (function_arg_advance_32): Don't allow OImode.
3608 (function_arg_32): Likewise.
3609 (function_value_32): Likewise.
3610 (return_in_memory_32): Likewise.
3611 (function_arg_64): Remove OImode comment.
3613 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3616 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3617 ix86_expand_vector_set for V4DImode in 64bit mode only.
3618 (ix86_expand_vector_init_one_var): Likewise.
3620 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3622 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3624 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3627 * loop-iv.c: Revert last change.
3628 * emit-rtl.c: Likewise.
3630 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3633 * config/i386/i386.c (type_natural_mode): Remove an extra
3634 space in the warning message.
3635 (function_value_32): Handle 32-byte vector modes.
3636 (return_in_memory_32): Likewise.
3638 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3640 * loop-iv.c (truncate_value): New function.
3641 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3643 (lowpart_subreg): Move to...
3644 * emit-rtl.c: ...here.
3646 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3648 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3649 accidental and undocumented change at revision 140860.
3651 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3653 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3654 take gimple_seq * arguments.
3655 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3656 types_compatible_p langhook.
3658 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3659 Joseph Myers <joseph@codesourcery.com>
3661 * config/arm/arm.c (arm_builtin_va_list): New function.
3662 (arm_expand_builtin_va_start): Likewise.
3663 (arm_gimplify_va_arg_expr): Likewise.
3664 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3665 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3666 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3667 (va_list_type): New variable.
3668 (arm_mangle_type): Mangle va_list_type appropriately.
3670 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3673 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3674 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3675 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3676 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3677 parameter to 1000 for -O1 by default.
3678 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3680 * loop-invariant.c: Include params.h.
3681 (move_loop_invariants): Don't call move_single_loop_invariants on
3684 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3686 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3687 offset when calculating bounds for indexing stack_usage_map. Fixes
3688 a buffer overflow with certain target setups.
3690 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3693 * calls.c (expand_call): Clear try_tail_call if caller and callee
3694 disagree in promotion of function return value.
3696 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3699 * c-common.c (c_determine_visibility): If visibility changed and
3700 DECL_RTL has been already set, call make_decl_rtl to update symbol
3703 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3706 * varasm.c (assemble_variable): Don't check DECL_NAME when
3707 globalizing a variable.
3709 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3712 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3713 expression before any __builtin_trap call.
3714 * c-typeck.c (build_function_call): Convert and check function
3715 arguments before generating a call to a trap. Evaluate the
3716 function arguments before the trap.
3718 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3721 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3722 (UNSPEC_FXAM_MEM): New unspec.
3723 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3724 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3725 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3727 2009-02-19 Richard Guenther <rguenther@suse.de>
3729 PR tree-optimization/39207
3730 PR tree-optimization/39074
3731 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3732 storedanything_tree): New.
3733 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3734 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3735 (build_succ_graph): Add edges from STOREDANYTHING to all
3737 (init_base_vars): Initialize STOREDANYTHING.
3738 (compute_points_to_sets): Free substitution info after
3739 building the succ graph.
3740 (ipa_pta_execute): Likewise.
3742 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3744 (do_ds_constraint): Do not add to special var or non-pointer
3746 (type_could_have_pointers): Split out from ...
3747 (could_have_pointers): ... here. For arrays use the element type.
3748 (create_variable_info_for): Initialize may_have_pointers.
3749 (new_var_info): Likewise.
3750 (handle_lhs_call): Make the HEAP variable unknown-sized.
3751 (intra_create_variable_infos): Use a type with pointers for
3752 PARM_NOALIAS, make it unknown-sized.
3754 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3757 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3759 2009-02-18 Jason Merrill <jason@redhat.com>
3762 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3763 value if DECL_EXTERNAL.
3764 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3765 * target.h (gcc_target::binds_local_p): Clarify "module".
3766 * tree.h (TREE_PUBLIC): Clarify "module".
3768 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3771 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3772 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3774 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3777 * c.opt (Wabi): Support C and ObjC.
3780 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3782 * config/i386/i386.c (classify_argument): Warn once about the ABI
3783 change when passing union with long double.
3785 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3787 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3790 * c-parser.c (c_parser_compound_statement): Always enter and leave
3793 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3796 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3798 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3800 PR tree-optimization/36922
3801 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3802 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3805 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3807 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3810 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3812 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3814 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3816 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3819 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
3820 Richard Sandiford <rdsandiford@googlemail.com>
3822 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3823 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3824 (loongson_biadd): ...this.
3826 2009-02-17 Richard Guenther <rguenther@suse.de>
3828 PR tree-optimization/39202
3829 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3830 a var make sure to follow existing collapses.
3832 2009-02-17 Richard Guenther <rguenther@suse.de>
3835 * langhooks.c (lhd_print_error_function): Check for NULL block.
3837 2009-02-17 Richard Guenther <rguenther@suse.de>
3839 PR tree-optimization/39204
3840 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
3843 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
3845 * config/soft-fp/double.h: Update from glibc CVS.
3847 2009-02-17 Richard Guenther <rguenther@suse.de>
3849 PR tree-optimization/39207
3850 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
3851 strict-aliasing warnings for pointers pointing to NULL.
3853 2009-02-16 Joseph Myers <joseph@codesourcery.com>
3856 * c-parser.c (c_parser_braced_init): Call pop_init_level when
3857 skipping until next close brace.
3859 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
3862 * config/i386/i386.c (ix86_expand_push): Set memory alignment
3863 to function argument boundary.
3865 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3867 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
3868 in the lea_add. Reload eventually constraints it properly.
3869 * config/picochip/constraints.md : Remove the target constraint
3870 "b", since it is not needed anymore.
3872 2009-02-16 Jakub Jelinek <jakub@redhat.com>
3874 * gthr-dce.h: Uglify function parameter and local variable names.
3875 * gthr-gnat.h: Likewise.
3876 * gthr-mipssde.h: Likewise.
3877 * gthr-nks.h: Likewise.
3878 * gthr-posix95.h: Likewise.
3879 * gthr-posix.h: Likewise.
3880 * gthr-rtems.h: Likewise.
3881 * gthr-single.h: Likewise.
3882 * gthr-solaris.h: Likewise.
3883 * gthr-tpf.h: Likewise.
3884 * gthr-vxworks.h: Likewise.
3885 * gthr-win32.h: Likewise.
3887 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
3890 * config/i386/i386.md: Restrict the new peephole2 to move
3891 between MMX/SSE registers.
3893 2009-02-15 Richard Guenther <rguenther@suse.de>
3896 2009-02-13 Richard Guenther <rguenther@suse.de>
3898 * configure.ac: Enable LFS.
3899 * configure: Re-generate.
3900 * config.in: Likewise.
3902 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3904 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
3905 spu_srqwbyte, spu_srqwbytebc): Define.
3906 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
3907 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
3908 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
3909 "shrqby_<mode>"): New insn-and-split patterns.
3910 * config/spu/spu.c (expand_builtin_args): Determine and return
3911 number of operands using spu_builtin_description data.
3912 (spu_expand_builtin_1): Use it.
3914 2009-02-13 Steve Ellcey <sje@cup.hp.com>
3917 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
3920 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3923 * config/i386/i386.c (override_options): Correct warning
3924 messages for -malign-loops, -malign-jumps and -malign-functions.
3926 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3929 * config/i386/i386.md: Restrict the new peephole2 to move
3930 between the general purpose registers.
3932 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3935 * config/i386/i386.c (type_natural_mode): Add a new argument.
3936 Return the original mode and warn ABI change if vector size is 32byte.
3937 (function_arg_advance): Updated.
3938 (function_arg): Likewise.
3939 (ix86_function_value): Likewise.
3940 (ix86_return_in_memory): Likewise.
3941 (ix86_sol10_return_in_memory): Likewise.
3942 (ix86_gimplify_va_arg): Likewise.
3943 (function_arg_32): Don't warn ABX ABI change here.
3944 (function_arg_64): Likewise.
3946 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
3948 * loop-iv.c (implies_p): In the final case, test that operands 0
3949 of the two comparisons match.
3951 * config/bfin/bfin.c (find_prev_insn_start): New function.
3952 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3953 (find_next_insn_start): Move.
3955 2009-02-13 Richard Guenther <rguenther@suse.de>
3957 * configure.ac: Enable LFS.
3958 * configure: Re-generate.
3959 * config.in: Likewise.
3961 2009-02-13 Joseph Myers <joseph@codesourcery.com>
3964 * c-parser.c (c_parser_parms_list_declarator): Discard pending
3965 sizes on syntax error after some arguments have been parsed.
3967 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3969 * doc/invoke.texi (-fira): Remove.
3971 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3973 * caller-save.c: Replace regclass.c with reginfo.c in comments.
3974 * recog.c: Likewise.
3977 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
3979 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3980 (umul_ppmm): Likewise.
3981 (count_leading_zeros): Likewise.
3982 (count_trailing_zeros): Likewise.
3983 (UMUL_TIME): Likewise.
3985 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3987 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3988 soft-fp/t-softfp to tmake_file.
3990 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3991 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3992 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3993 IA64_BUILTIN_INFQ]: New.
3994 (ia64_init_builtins): Initialize __builtin_infq,
3995 __builtin_fabsq and __builtin_copysignq if not HPUX.
3996 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3997 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3999 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4001 (__fixtfti): Likewise.
4002 (__fixunstfti): Likewise.
4003 (__floattitf): Likewise.
4005 * config/ia64/libgcc-glibc.ver: New.
4006 * config/ia64/t-fprules-softfp: Likewise.
4007 * config/ia64/sfp-machine.h: Likewise.
4009 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4010 (LIBGCC2_TF_CEXT): Likewise.
4011 (TF_SIZE): Likewise.
4012 (TARGET_INIT_LIBFUNCS): Likewise.
4014 * config/ia64/t-glibc (SHLINB_MAPFILES):
4015 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4017 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4019 * config/i386/i386.c (construct_container): Rewrite processing
4020 BLKmode with X86_64_SSE_CLASS.
4022 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
4025 * config/i386/i386.md: Replace simplify_replace_rtx with
4026 replace_rtx in the new peephole2.
4028 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
4030 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4031 loop unrolling do not happen at -O2.
4033 2009-02-12 Michael Matz <matz@suse.de>
4035 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4037 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4039 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4042 2009-02-12 Ben Elliston <bje@au.ibm.com>
4044 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4045 patterns when updating the back chain. Missed in the 2009-02-10
4048 2009-02-11 Janis Johnson <janis187@us.ibm.com>
4050 * doc/extend.texi (Decimal Floating Types): Update identifier of
4051 draft TR and list of missing support.
4053 2009-02-11 Jakub Jelinek <jakub@redhat.com>
4056 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4057 bit to variable length decl's flags, add it also to its
4058 pointer replacement variable.
4060 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
4061 Jakub Jelinek <jakub@redhat.com>
4064 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4065 (memory_blockage): New expander.
4066 (*memory_blockage): New insn pattern.
4067 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4068 instead of general blockage at the end of function prologue when
4069 frame pointer is used to access red zone area. Do not emit blockage
4070 when profiling, it is emitted in generic code.
4071 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4072 function epilogue when frame pointer is used to access red zone area.
4074 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
4077 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4078 by arithmetic with memory operands.
4079 * config/i386/predicates.md (commutative_operator): New.
4081 2009-02-10 Janis Johnson <janis187@us.ibm.com>
4083 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
4086 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
4088 * alias.h (record_alias_subset): Declare.
4089 * alias.c (record_alias_subset): Make global.
4091 2009-02-10 Nick Clifton <nickc@redhat.com>
4093 * tree-parloops.c: Change license to GPLv3.
4094 * ipa-struct-reorg.c: Change license to GPLv3.
4095 * ipa-struct-reorg.h: Change license to GPLv3.
4097 2009-02-10 Steve Ellcey <sje@cup.hp.com>
4100 * c-decl.c (start_struct): Return NULL on error.
4102 2009-02-10 Jakub Jelinek <jakub@redhat.com>
4105 * cfgloopmanip.c (remove_path): Call remove_bbs after
4106 cancel_loop_tree, not before it.
4109 * function.h (struct function): Add has_local_explicit_reg_vars bit.
4110 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
4111 VAR_DECLs were seen.
4112 * tree-ssa-live.c (remove_unused_locals): Recompute
4113 cfun->has_local_explicit_reg_vars.
4114 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
4115 copies or clearings if cfun->has_local_explicit_reg_vars.
4117 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
4120 * config/i386/i386.c (expand_prologue): Emit blockage at the end
4121 of function prologue when frame pointer is used to access
4124 2009-02-10 Richard Guenther <rguenther@suse.de>
4127 * gimplify.c (gimple_regimplify_operands): Always look if
4128 we need to create a temporary.
4130 2009-02-10 Richard Guenther <rguenther@suse.de>
4132 PR tree-optimization/39132
4133 * tree-loop-distribution.c (todo): New global var.
4134 (generate_memset_zero): Trigger TODO_rebuild_alias.
4135 (tree_loop_distribution): Return todo.
4137 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
4140 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
4141 (x86_64_reg_class_name): Removed.
4142 (classify_argument): Return 0 if bytes > 32. Return 0 if the
4143 first one isn't X86_64_SSE_CLASS or any other ones aren't
4144 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
4145 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
4146 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
4147 and 3 X86_64_SSEUP_CLASS.
4148 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
4149 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4151 2009-02-10 Ben Elliston <bje@au.ibm.com>
4153 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4154 form instruction to update the stack back chain word, even if the
4155 user has disabled the generation of update instructions.
4156 (movdi_<mode>_update_stack): New.
4157 (movsi_update_stack): Likewise.
4158 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4159 always use an update form instruction to update the stack back
4162 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4165 * graphite.c (if_region_set_false_region): After moving a region in
4166 the false branch of a condition, remove the empty dummy basic block.
4167 (gloog): Remove wrong fix for PR38953.
4169 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4171 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4172 generation due to implicit sign extension.
4174 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4177 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4178 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4180 2009-02-09 Richard Guenther <rguenther@suse.de>
4183 * convert.c (convert_to_real): Disable (float)fn((double)x)
4184 to fnf(x) conversion if errno differences may occur and
4185 -fmath-errno is set.
4187 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4189 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4190 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4191 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4193 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4196 * c-common.c (handle_alias_attribute): Disallow attribute for
4197 anything not a FUNCTION_DECL or VAR_DECL.
4199 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4202 * real.c (do_compare): Special-case compare of zero against
4203 decimal float value.
4205 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4208 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4209 as indicating flexible array members unless the field itself is
4210 being declarared as the incomplete array.
4212 2009-02-06 Jan Hubicka <jh@suse.cz>
4214 PR tree-optimization/38844
4215 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4218 2009-02-06 Richard Guenther <rguenther@suse.de>
4221 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4222 fork because we may expand it as __gcov_fork.
4224 2009-02-06 Nick Clifton <nickc@redhat.com>
4226 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4228 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4230 PR tree-optimization/35659
4231 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4232 vn_phi_eq): Shortcut if hashcode does not match.
4233 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4235 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4236 and avoid iterative_hash_expr.
4237 (FOR_EACH_VALUE_ID_IN_SET): New.
4238 (value_id_compare): Remove.
4239 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4240 sort expressions by value id.
4242 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4245 * config/sh/predicates.md (general_movsrc_operand): Don't check
4246 the subreg of system registers here.
4248 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4251 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4254 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4256 PR rtl-optimization/39110
4257 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4258 addresses, not aligned ones.
4260 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4261 Richard Guenther <rguenther@suse.de>
4263 PR tree-optimization/39100
4264 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4265 comment says and add edges.
4267 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4270 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4271 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4273 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4275 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4276 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4277 register_bb_in_sese, new_sese, free_sese): Moved.
4278 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4279 outermost_loop_in_scop, build_scop_iteration_domain,
4280 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4281 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4282 Use loop_in_sese_p instead of loop_in_scop_p.
4283 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4284 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4285 (scopdet_basic_block_info): Fix bug in scop detection.
4286 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4287 eq_loop_to_cloog_loop): Remove.
4288 (nb_loops_around_loop_in_scop, nb_loop
4289 ref_nb_loops): Moved here...
4290 * graphite.h (ref_nb_loops): ... from here.
4291 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4292 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4293 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4294 * testsuite/gcc.dg/graphite/scop-19.c: New
4296 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4297 Hans-Peter Nilsson <hp@axis.com>
4299 PR rtl-optimization/37889
4300 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4301 Move offset handling from PLUS to before the switch. Use new
4302 arguments when considering SYMBOL_REFs too.
4303 (rtx_addr_can_trap_p): Pass dummy offset and size.
4304 (enum may_trap_p_flags): Remove.
4305 (may_trap_p_1): Pass size from MEM_SIZE.
4307 PR rtl-optimization/38921
4308 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4309 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4310 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4311 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4313 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4315 AVX Programming Reference (January, 2009)
4316 * config/i386/sse.md (*vpclmulqdq): New.
4318 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4320 PR tree-optimization/38977
4321 PR gcov-profile/38292
4322 * calls.c (special_function_p): Disregard __builtin_ prefix.
4324 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4326 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4327 non-indexable addresses even before reload.
4329 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4332 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4333 as having variable size. Do not give an error for unnamed
4334 parameters with [*] declarators. Give a warning for type names
4335 with [*] declarators and mark them as variable size.
4336 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4337 for sizeof applied to [*] type names.
4339 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4342 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4344 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4346 * gcc.c (process_command): Update copyright notice dates.
4347 * gcov.c (print_version): Likewise.
4348 * gcov-dump.c (print_version): Likewise.
4349 * mips-tfile.c (main): Likewise.
4350 * mips-tdump.c (main): Likewise.
4352 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4355 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4356 for composite type involving a zero-length array type.
4358 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4361 * function.c (match_asm_constraints_1): Skip over
4362 initial optional % in the constraint.
4365 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4366 supported, don't accept FIXED_CSTs.
4367 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4368 and _Sat is used without _Fract/_Accum. Set specs->type to
4369 integer_type_node for cts_fract/cts_accum if fixed point is not
4372 2009-02-02 Catherine Moore <clm@codesourcery.com>
4374 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4376 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4378 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4379 (ABI_HAS_64BIT_SYMBOLS): Use it.
4380 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4382 2009-02-02 Paul Brook <paul@codesourcery.com>
4384 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4386 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4389 * recog.h (asm_operand_ok): Add constraints argument.
4390 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4391 recurse on matching constraint.
4392 (check_asm_operands): Pass constraints as 3rd argument to
4393 asm_operand_ok. Don't look up matching constraint here.
4394 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4397 2009-02-02 Ben Elliston <bje@au.ibm.com>
4399 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4400 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4402 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4404 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4405 information. Remove some obsolete information. Reorganize.
4407 * config/pa/fptr.c: Revert license to GPL 2.
4408 * config/pa/milli64.S: Likewise.
4410 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4413 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4414 LIBRARY name in, instead of hard-coding it.
4415 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4416 extra target make frag to tmake_files according to EH model.
4417 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4418 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4419 frags that define makefile variable EH_MODEL appropriately.
4420 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4421 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4422 to "-sjlj" according to type of EH configured.
4423 (LIBGCC_SONAME): Concatenate it to shared library base name.
4424 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4425 to "_sjlj" according to type of EH configured.
4426 (LIBGCC_SONAME): Concatenate it to shared library base name.
4427 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4428 (SHLIB_LINK): Add missing semicolon to if-else construct.
4429 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4430 string value of "pe_dll" command-line option.
4431 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4432 (SHLIB_SONAME): Use it when overriding t-cygming default.
4433 (SHLIB_IMPLIB): Override t-cygming default.
4434 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4435 string value of "pe_dll" command-line option.
4437 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4440 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4441 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4443 2009-01-31 Richard Guenther <rguenther@suse.de>
4445 PR tree-optimization/38937
4446 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4447 computing the transitive closure.
4449 2009-01-30 Richard Guenther <rguenther@suse.de>
4451 PR tree-optimization/39041
4452 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4453 Propagate variable indices only if the types match for this stmt.
4455 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4458 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4459 inline but never defined.
4461 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4463 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4464 (*insv_h_di_reg_extimm): New insn.
4465 (*insv_l<mode>_reg_extimm): New insn.
4467 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4469 * config/picochip/picochip.c (flag_conserve_stack): set
4470 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4471 fconserve-stack. Reduce call-overhead used by inliner.
4473 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4476 * common.opt (flag_conserve_stack): Initialised to zero.
4478 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4481 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4482 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4485 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4487 * ira-color.c (allocno_reload_assign): Update comments.
4488 * regmove.c (regmove_optimize): Likewise.
4492 2009-01-29 Robert Millan <rmh@aybabtu.com>
4494 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4495 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4496 `MD_UNWIND_SUPPORT'.
4497 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4499 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4501 PR tree-optimization/39007
4502 * tree-loop-distribution.c (generate_builtin): Use
4503 recompute_dominator to compute the immediate dominator of the
4504 basic block just after the loop.
4506 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4508 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4509 (ASM_OUTPUT_DWARF_PCREL): Define.
4511 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4513 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4514 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4515 global. Modify entries about regmove and IRA.
4517 * ra-conflict.c: Remove the file.
4519 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4521 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4522 (pass_regclass_init): Rename to pass_reginfo_init.
4524 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4526 * toplev.h (flag_ira): Remove.
4528 * caller-save.c (setup_save_areas): Remove flag_ira.
4530 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4532 * global.c: Remove the file.
4534 * opts.c (decode_options): Remove flag_ira.
4536 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4538 * regmove.c: Modify file description.
4539 (find_use_as_address, try_auto_increment): Define them only if
4540 AUTO_INC_DEC is defined.
4541 (replacement_quality, replace_in_call_usage, fixup_match_1,
4542 stable_and_no_regs_but_for_p): Remove.
4543 (reg_set_in_bb): Make it static.
4544 (regmove_optimize): Remove flag_ira and code which worked for
4547 * local-alloc.c: Remove the file.
4549 * common.opt (fira): Remove.
4551 * ira.c: Include except.h.
4552 (eliminable_regset): Move from global.c.
4553 (mark_elimination): Ditto. Remove flag_ira.
4554 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4555 equiv_mem_modified, validate_equiv_mem_from_store,
4556 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4557 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4558 no_equiv, recorded_label_ref): Move from local-alloc.c.
4559 (update_equiv_regs): Ditto. Make it static.
4560 (print_insn_chain, print_insn_chains): Move it from global.c.
4561 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4562 (build_insn_chain): Ditto. Make it static.
4563 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4564 Rename to init_live_subregs.
4565 (gate_ira): Remove flag_ira.
4567 * regclass.c: Rename reginfo.c. Change file description.
4568 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4569 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4570 (init_reg_sets_1): Remove code for evaluation of
4571 reg_class_superclasses and losing_caller_save_reg_set.
4572 (init_regs): Remove init_reg_autoinc.
4573 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4574 ok_for_base_p_nonstrict): Remove.
4575 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4576 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4577 corresponding entries.
4578 (dump_regclass, record_operand_costs, scan_one_insn,
4579 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4580 record_address_regs, auto_inc_dec_reg_p): Remove.
4581 (gt-regclass.h): Rename to gt-reginfo.h.
4583 * rtl.h (dump_global_regs, retry_global_alloc,
4584 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4586 * Makefile.in (RA_H): Remove.
4587 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4588 Rename regclass.o to reginfo.o.
4589 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4591 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4592 (GTFILES): Rename regclass.c to reginfo.c.
4594 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4595 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4597 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4598 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4600 (finish_spills): Ditto. Remove code for !flag_ira.
4602 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4605 * doc/invoke.texi (rtl debug options): Complete rewrite.
4606 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4608 * mode-switching.c (pass_mode_switching): Rename pass from
4609 "mode-sw" to "mode_sw".
4610 * except.c (pass_convert_to_eh_ranges): Rename pass from
4611 "eh-ranges" to "eh_ranges".
4612 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4616 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4617 Alexander Monakov <amonakov@ispras.ru>
4620 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4622 (move_exprs_to_boundary): Change return type and pass through
4623 should_move from move_op. Relax assert. Update usage ...
4624 (schedule_expr_on_boundary): ... here. Use should_move instead of
4626 (move_op_orig_expr_found): Indicate that insn was disconnected from
4628 (code_motion_process_successors): Do not call after_merge_succs
4629 callback if original expression was not found when traversing any of
4631 (code_motion_path_driver): Change return type. Update prototype.
4632 (move_op): Update comment. Add a new parameter (should_move). Update
4633 prototype. Set *should_move based on indication provided by
4634 move_op_orig_expr_found.
4636 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4638 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4639 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4640 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4641 * config/rs6000/rs6000.c (rs6000_override_options): Default
4642 avoid-indexed-addresses on for Power6, off for everything else.
4643 (avoiding_indexed_address_p): New function.
4644 (rs6000_legitimize_address): Use it.
4645 (rs6000_legitimate_address): Likewise.
4646 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4648 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4650 PR tree-optimization/38997
4651 * tree-loop-distribution.c (generate_memset_zero): Use
4652 POINTER_PLUS_EXPR for a pointer addition.
4654 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4656 * config/s390/s390.md (bswap<mode>2): New pattern added.
4658 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4660 * config/s390/s390.md (*tls_load_31): Added type attribute.
4662 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4664 * config/s390/s390.md: Fix a few comments.
4666 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4668 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4669 (*tm<mode>_full): Fixed z10prop attribute.
4670 (*tst<mode>_extimm): Fixed z10prop attribute.
4671 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4672 (*tstqiCCT_cconly): Fixed z10prop attribute.
4673 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4674 (*movsi_larl): Fixed z10prop attribute.
4675 (*movsi_zarch): Fixed z10prop attribute.
4676 (*movsi_eas): Fixed z10prop attribute.
4677 (*movhi): Fixed z10prop attribute.
4678 (*movqi): Fixed z10prop attribute.
4679 (*movstrictqi): Fixed z10prop attribute.
4680 (*mov<mode>): Fixed z10prop attribute.
4681 (*movcc): Fixed z10prop attribute.
4682 (*sethighpartdi_64): Fixed z10prop attribute.
4683 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4684 (*negdi2_sign_cc): Fixed z10prop attribute.
4685 (*negdi2_sign): Fixed z10prop attribute.
4686 (*absdi2_sign_cc): Fixed z10prop attribute.
4687 (*absdi2_sign): Fixed z10prop attribute.
4688 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4689 (*negabsdi2_sign): Fixed z10prop attribute.
4690 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4691 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4692 (doloop_si64): Fixed z10prop attribute.
4693 (doloop_si31): Fixed z10prop attribute.
4694 (doloop_long): Fixed z10prop attribute.
4695 (indirect_jump): Fixed z10prop attribute.
4696 (nop): Fixed z10prop attribute.
4697 (main_base_64): Fixed z10prop attribute.
4698 (reload_base_64): Fixed z10prop attribute.
4700 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4702 PR rtl-optimization/38740
4703 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4705 * config/mips/mips.c (mips_reorg): Likewise.
4707 2009-01-28 Richard Guenther <rguenther@suse.de>
4709 PR tree-optimization/38926
4710 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4711 with the correct value id to a value.
4712 (do_regular_insertion): Use the value number of edoubleprime
4713 for the value number of the expr.
4716 2008-08-21 Richard Guenther <rguenther@suse.de>
4718 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4719 a PHI ask VN if it is already available.
4720 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4721 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4723 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4726 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4727 set to varying whenever max has TREE_OVERFLOW set, similarly
4728 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4730 2009-01-28 Richard Guenther <rguenther@suse.de>
4733 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4734 uninitialized aggregate uses in call arguments.
4736 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4738 PR tree-optimization/38984
4739 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4740 the nothing_id variable if -fno-delete-null-pointer-checks.
4742 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4745 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4746 (set_got_offset_rex64): Ditto.
4748 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4751 * doc/extend.texi: Improve local variable with asm reg.
4753 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4755 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4756 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4757 was not supplied then set warn_packed_bitfield_compat to the
4759 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4762 2009-01-27 Richard Guenther <rguenther@suse.de>
4764 PR tree-optimization/38503
4765 * cfgexpand.c (expand_gimple_basic_block): Ignore
4766 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4767 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4768 variables that cannot have TBAA applied.
4769 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4772 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4775 * calls.c (initialize_argument_information): Do not wrap complex
4776 arguments in SAVE_EXPR.
4778 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4780 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4781 (INSTALL_LIBGCC): Revert typo commit.
4783 2009-01-26 Richard Guenther <rguenther@suse.de>
4785 PR tree-optimization/38745
4786 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4787 from special handling.
4789 2009-01-26 Richard Guenther <rguenther@suse.de>
4791 PR tree-optimization/38745
4792 * tree-ssa.c (execute_update_addresses_taken): Do not include
4793 variables that cannot possibly be a register in not_reg_needs.
4794 Do not clear TREE_ADDRESSABLE on vars that may not become
4796 * tree-ssa.c (update_alias_info_1): Include those in the set
4797 of addressable vars.
4799 2009-01-26 Richard Guenther <rguenther@suse.de>
4802 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4803 * tree-ssa-dse.c: Include langhooks.h
4804 (execute_simple_dse): Remove stores with zero size.
4806 2009-01-24 Jakub Jelinek <jakub@redhat.com>
4809 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
4812 2009-01-24 Julian Brown <julian@codesourcery.com>
4814 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
4815 config/arm/linux-atomic.c.
4816 * config/arm/linux-atomic.c: New.
4818 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
4820 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
4821 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
4822 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
4824 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
4827 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
4830 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
4832 PR tree-optimization/38953
4833 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4834 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
4835 (gloog): Split the exit of the scop when the scop exit is a loop exit.
4836 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4839 2009-01-24 Paul Brook <paul@codesourcery.com>
4841 * config/arm/neon.md (neon_type): Move to arm.md.
4842 (neon_mov<VSTRUCT>): Add neon_type attribute.
4843 * config/arm/arm.md (neon_type): Move to here.
4844 (conds): Add "unconditioal" and use as default for NEON insns.
4846 2009-01-24 Ben Elliston <bje@au.ibm.com>
4848 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
4849 void *' warning from -Wc++-compat.
4850 * Makefile.in (dominance.o-warn): Remove.
4852 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
4854 PR tree-optimization/38932
4855 * fold-const.c (fold_unary_ignore_overflow): New.
4856 * tree.h (fold_unary_ignore_overflow): Declare.
4857 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
4858 * tree-ssa-sccvn.c (visit_reference_op_load,
4859 simplify_unary_expression): Likewise.
4861 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
4863 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
4864 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
4865 regardless of their type.
4866 * c-common.c (handle_packed_attribute): Don't ignore packed on
4868 * c.opt (Wpacked-bitfield-compat): New warning option.
4869 * stor-layout.c (place_field): Warn if offset of a field changed.
4870 * doc/extend.texi (packed): Mention the ABI change.
4871 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
4872 (Warning Options): Add it to the list.
4874 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
4876 * c-opts.c (c_common_post_options): Fix a typo in comments.
4878 2009-01-22 Steve Ellcey <sje@cup.hp.com>
4881 * gimplify.c (gimplify_init_constructor): Fix promotion of const
4882 variables to static.
4883 * doc/invoke.texi (-fmerge-all-constants): Update description.
4885 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
4888 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
4889 (*movdi_1_rex64): Use type "mmx" for alternative 5.
4891 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
4893 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
4895 (LOCAL_ALIGNMENT): Similarly.
4897 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4898 Joseph Myers <joseph@codesourcery.com>
4900 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
4901 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
4902 * config/arm/arm-tune.md: Regenerate.
4903 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
4906 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4908 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
4909 version number to five.
4911 2009-01-22 Dodji Seketeli <dodji@redhat.com>
4914 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
4915 * c-common.c (set_underlying_type): Likewise.
4916 (is_typedef_decl ): Likewise
4918 (set_underlying_type): Likewise.
4919 (is_typedef_type): Likewise.
4921 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
4924 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
4927 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4930 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
4931 (LIBGCC_SPEC): Don't define.
4932 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
4934 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
4936 PR rtl-optimization/38879
4937 * alias.c (base_alias_check): Unaligned access via AND address can
4938 alias all surrounding object types except those with sizes equal
4939 or wider than the size of unaligned access.
4941 2009-01-21 Dodji Seketeli <dodji@redhat.com>
4944 * c-decl.c (clone_underlying_type): Move this ...
4945 * c-common.c (set_underlying_type): ... here.
4946 Also, make sure the function properly sets TYPE_STUB_DECL() on
4947 the newly created typedef variant type.
4948 (is_typedef_decl ): New entry point.
4949 * tree.h: Added a new member member_types_needing_access_check to
4950 struct tree_decl_non_common.
4951 (set_underlying_type): New entry point.
4952 (is_typedef_type): Likewise.
4954 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
4956 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4957 Check whether two instructions have memory references that
4958 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
4959 are helper functions for traversing.
4960 * alias.h (insn_alias_sets_confilict_p): New prototypes.
4961 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
4962 not to draw dependency edge for instructions with non-conflicting
4965 2009-01-20 Joseph Myers <joseph@codesourcery.com>
4968 * longlong.h: Update copyright years. Use soft-fp license notice.
4969 Sync __clz_tab declaration with glibc.
4971 2009-01-20 Steve Ellcey <sje@cup.hp.com>
4974 * doc/extend.texi (syscall_linkage): New.
4975 (version_id): Modify.
4977 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4978 Richard Guenther <rguenther@suse.de>
4980 PR tree-optimization/38747
4981 PR tree-optimization/38748
4982 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
4983 conversion if the base address is an indirect reference and the
4984 aliasing sets could cause issues.
4986 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4988 * common.opt (fgraphite, fgraphite-identity): Add comment for
4989 explaining why these options are not documented.
4991 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4993 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4994 gimple_call_lhs is NULL.
4996 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
4999 * emit-rtl.c (adjust_address_1): Make sure memref is never
5002 2009-01-20 Ben Elliston <bje@au.ibm.com>
5004 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5005 const qualifier from arg parameter. Remove unnecessary cast to char *.
5006 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5007 const qualifier from arg 2.
5009 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5011 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5013 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5016 * rtl.h (reinit_regs): New prototype.
5017 * regclass.c: Include ira.h.
5019 * Makefile.in (regclass.o): Add ira.h.
5020 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5022 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
5025 * c-common.c (handle_aligned_attribute): Use
5026 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5027 default alignment value.
5029 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5031 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5032 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5034 * doc/extend.texi: Update __attribute__ ((aligned)). Document
5035 __BIGGEST_ALIGNMENT__.
5037 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5039 2009-01-18 Richard Guenther <rguenther@suse.de>
5041 PR tree-optimization/38819
5042 * tree-flow.h (operation_could_trap_helper_p): Declare.
5043 * tree-eh.c (operation_could_trap_helper_p): Export.
5044 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5045 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5046 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5047 are about to insert a possibly trapping instruction and fail
5050 2009-01-18 Andreas Schwab <schwab@suse.de>
5052 * doc/install.texi (Configuration): Remove obsolete paragraph
5053 about use of --with-gnu-ld with --with-gnu-as.
5055 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
5057 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5058 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5059 Follow spelling conventions.
5061 2009-01-18 Ben Elliston <bje@au.ibm.com>
5063 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5064 C++ warning about implicit conversion from void * to struct
5066 (bitmap_obstack_free): Likewise for bitmap_element *.
5067 * Makefile.in (bitmap.o-warn): Remove.
5069 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
5071 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
5073 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
5074 Tobias Grosser <tobi.grosser@amd.com>
5076 * graphite.c (graphite_trans_scop_block): Do not block single
5079 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
5081 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
5082 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
5083 test with assertion.
5085 2009-01-16 Richard Guenther <rguenther@suse.de>
5087 PR tree-optimization/38835
5089 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
5090 and INT + PTR -> (INT)(PTR p+ INT) folding.
5091 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
5093 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
5096 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
5097 the subreg from a lowpart subreg if it is also casting the value.
5099 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5100 Tobias Grosser <tobi.grosser@amd.com>
5102 * graphite.c (compare_prefix_loops): New.
5103 (build_scop_canonical_schedules): Rewritten.
5104 (graphite_transform_loops): Move build_scop_canonical_schedules
5105 after build_scop_iteration_domain.
5107 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5108 Tobias Grosser <tobi.grosser@amd.com>
5110 * graphite.c (add_conditions_to_domain): Add the loops to
5111 the dimension of the iteration domain. Do copy the domain
5112 only when it exists.
5113 (build_scop_conditions_1): Do not call add_conditions_to_domain.
5114 (add_conditions_to_constraints): New.
5115 (can_generate_code_stmt, can_generate_code): Removed.
5116 (gloog): Do not call can_generate_code.
5117 (graphite_transform_loops): Call add_conditions_to_constraints
5118 after building the iteration domain.
5120 2009-01-16 Jakub Jelinek <jakub@redhat.com>
5122 PR tree-optimization/38789
5123 * tree-ssa-threadedge.c
5124 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5125 __builtin_constant_p.
5127 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
5129 * dce.c (delete_unmarked_insns): Reversed the order that insns are
5130 examined before deleting them.
5132 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
5134 * function.c (aggregate_value_p): Correctly extract the function
5135 type from CALL_EXPR_FN lookup.
5137 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5139 * config/picochip/picochip.c (picochip_override_options): Revert
5140 CFI asm flag disable commited previously.
5142 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
5143 Tobias Grosser <tobi.grosser@amd.com>
5144 Jan Sjodin <jan.sjodin@amd.com>
5146 * graphite.c (scan_tree_for_params): On substractions negate
5147 all the coefficients of the term.
5148 (clast_to_gcc_expression_red): New. Handle reduction expressions
5149 of more than two operands.
5150 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5151 (get_vdef_before_scop): Handle also the case of default definitions.
5153 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5155 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5156 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5157 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5159 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5160 Joey Ye <joey.ye@intel.com>
5163 * cfgexpand.c (expand_stack_alignment): Don't update stack
5164 boundary nor check incoming stack boundary here.
5165 (gimple_expand_cfg): Update stack boundary and check incoming
5166 stack boundary here.
5168 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5170 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5172 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5174 PR rtl-optimization/38245
5175 * calls.c (expand_call): Add stack arguments to
5176 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5177 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5178 in regs and partially in memory or BLKmode arguments.
5179 (emit_library_call_value_1): Add stack arguments to
5180 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5181 ACCUMULATE_OUTGOING_ARGS).
5182 * dce.c: Include tm_p.h.
5183 (find_call_stack_args): New function.
5184 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5186 (mark_insn): Call find_call_stack_args for CALL_Ps.
5187 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5188 forwards. Allocate and free arg_stores bitmap if needed, pass it
5189 down to deletable_insn_p, don't mark stores set in arg_stores
5190 bitmap, clear the bitmap at the beginning of each bb.
5191 * Makefile.in (dce.o): Depend on $(TM_P_H).
5193 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5196 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5197 to make sure the insn is a conditional test (bug 22599). Reformat a
5200 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5203 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5204 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5205 (gloog): Do not call cleanup_tree_cfg.
5206 (graphite_transform_loops): Call cleanup_tree_cfg after all
5207 scops have been code generated.
5209 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5210 * doc/gty.texi (Invoking the garbage collector): Added new node
5211 and section documenting ggc_collect.
5213 2009-01-14 Richard Guenther <rguenther@suse.de>
5215 PR tree-optimization/38826
5217 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5218 initialization notes only if we actually emitted a warning.
5219 (intra_create_variable_infos): Add constraints for a result decl
5220 that is passed by hidden reference.
5221 (build_pred_graph): Mark all related variables non-direct on
5224 2009-01-14 Nick Clifton <nickc@redhat.com>
5226 * ira-conflicts.c: Include addresses.h for the definition of
5228 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5229 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5231 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5234 * Makefile.in (ira-lives.o): Add except.h.
5236 * ira-lives.c: Include except.h.
5237 (process_bb_node_lives): Process can_throw_internal.
5239 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5241 PR rtl-optimization/38774
5242 * combine.c (simplify_set): When undoing cc_use change, don't do
5243 PUT_CODE on the newly created comparison, but instead put back the
5246 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5248 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5249 values. Remove duplicate arm8 entry.
5251 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5253 PR tree-optimization/38786
5254 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5255 the SSA_NAME case of expand_scalar_variables_expr.
5256 Set the type of an expression to the type of its assign statement.
5257 (expand_scalar_variables_expr): Also gather the scalar computation
5258 used to index the memory access. Do not pass loop_p.
5259 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5260 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5261 the gimple_stmt_iterator where it inserts new code.
5263 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5264 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5266 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5268 * graphite.h (debug_value): Removed.
5269 * graphite.c (debug_value): Removed.
5271 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5273 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5274 ldrd/strd with two 32-bit instructions.
5276 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5278 * config/arm/arm.c (struct processors): Pass for speed down into
5279 cost helper functions.
5280 (const_ok_for_op): Handle COMPARE and inequality nodes.
5281 (arm_rtx_costs_1): Rewrite.
5282 (arm_size_rtx_costs): Update prototype.
5283 (arm_rtx_costs): Pass speed down to helper functions.
5284 (arm_slowmul_rtx_costs): Rework cost calculations.
5285 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5286 (arm_9e_rtx_costs): Likewise.
5288 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5290 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5291 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5292 (alpha_legitimize_address): Do not split local symbols wider than
5293 UNITS_PER_WORD into HIGH/LO_SUM parts.
5295 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5298 * gcc.c (process_command): Replace call to execvp with calls
5299 to pex_one and exit.
5301 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5304 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5305 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5306 variant for devices with 3-byte PC.
5307 (__tablejump_elpm__): New.
5309 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5312 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5313 offsetof member-designator, handle it as `[0].'.
5315 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5317 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5318 function when not using named sections on targets with named sections
5319 if branch distance is less than 262132.
5321 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5323 * combine.c (combine_instructions): Recompute
5324 optimize_this_for_speed_p for each BB in the main combine loop.
5326 2009-01-12 Tomas Bily <tbily@suse.cz>
5329 * tree-loop-distribution.c (prop_phis): New function.
5330 (generate_builtin): Call prop_phis.
5331 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5333 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5335 PR tree-optimization/38807
5336 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5337 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5339 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5341 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5342 subreg of op0 to the original op0.
5344 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5346 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5348 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5351 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5352 starting with digits.
5354 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5357 * config/arm/arm.c (arm_is_long_call_p): Don't call
5358 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5360 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5362 * regrename.c (regrename_optimize): Fix dumping.
5363 (find_oldest_value_reg): Preserve REG_POINTER.
5364 (copy_hardreg_forward_1): Likewise.
5366 2009-01-09 Diego Novillo <dnovillo@google.com>
5368 * gimple.h (struct gimple_statement_base) <uid>: Document
5369 the restrictions on its use.
5371 (gimple_set_uid): Tidy.
5373 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5375 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5376 zero guard even if align_bytes != 0 and count is smaller than
5379 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5381 PR rtl-optimization/38495
5382 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5383 (add_range_and_copies_from_move_list): Print all added ranges.
5384 Add ranges to memory optimized destination.
5386 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5390 * config/i386/i386.c (override_options): Reject
5391 -mstringop-strategy=rep_8byte with -m32.
5392 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5393 to 1. Do count comparison against epilogue_size_needed at compile
5394 time even when count_exp was constant forced into register. For
5395 size_needed don't jump to epilogue, instead just avoid aligning
5396 and invoke the body algorithm. If need_zero_guard, add zero guard
5397 even if count is non-zero, but smaller than size_needed + number of
5398 bytes that could be stored for alignment.
5399 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5400 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5401 but smaller than size_needed + number of bytes that could be stored
5402 for alignment. Compare size_needed with epilogue_size_needed instead
5403 of desired_align - align, don't adjust size_needed, pass
5404 epilogue_size_needed to the epilogue expanders.
5407 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5409 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5411 * pa.c (last_address): Change to unsigned.
5412 (update_total_code_bytes): Change argument to unsigned. Don't
5413 check if insn addresses are set.
5414 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5415 addresses are not set.
5416 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5418 2009-01-09 Nick Clifton <nickc@redhat.com>
5420 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5421 DECL_DECLARED_INLINE_P.
5423 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5426 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5427 GET_MODE (op0) in operand_subword_force calls.
5430 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5431 fold_convert arg0 operands to TREE_TYPE (op0) first.
5433 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5435 * params.def (ira-max-conflict-table-size): Decrease default value
5438 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5440 PR tree-optimization/37031
5441 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5443 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5444 allocate it using gc instead of heap, use VEC_quick_push instead of
5446 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5447 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5448 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5449 allocated vector from heap allocated.
5450 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5451 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5452 vector only after perfect_loop_nest_depth call.
5454 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5455 Jan Sjodin <jan.sjodin@amd.com>
5457 PR tree-optimization/38559
5458 * graphite.c (debug_value, copy_constraint,
5459 swap_constraint_variables, scale_constraint_variable, ): New.
5460 (get_lower_bound, get_upper_bound): Removed.
5461 (graphite_trans_bb_strip_mine): Clean up this code that works
5462 only for constant number of iterations. Fully copy upper and
5463 lower bound constraints, not only the constant part of them.
5464 * graphite.h (debug_value): Declared.
5466 2009-01-08 Ira Rosen <irar@il.ibm.com>
5468 PR tree-optimization/37194
5469 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5470 Don't add the cost of cost model guard in prologue to scalar
5471 outside cost in case of known number of iterations.
5473 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5474 Alan Modra <amodra@bigpond.net.au>
5476 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5477 non-word-aligned REG+CONST addressing.
5479 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5482 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5483 free_after_compilation when outputting a thunk.
5484 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5485 Do not call free_after_compilation here.
5487 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5489 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5490 (ix86_valid_target_attribute_inner_p): Ditto.
5492 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5494 PR tree-optimization/38492
5495 PR tree-optimization/38498
5496 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5497 * tree-chrec.h (scev_is_linear_expression): Declared.
5498 * graphite.c (graphite_cannot_represent_loop_niter): New.
5499 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5500 (graphite_loop_normal_form): Use gcc_assert.
5501 (scan_tree_for_params): Use CASE_CONVERT.
5502 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5503 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5504 Use gcc_assert. Discard scops that contain unhandled cases.
5505 (build_scop_conditions): Return a boolean status for unhandled cases.
5506 (strip_mine_profitable_p): Print the loop number, not its depth.
5507 (is_interchange_valid): Pass the depth of the loop nest, don't
5508 recompute it wrongly.
5509 (graphite_trans_bb_block): Same.
5510 (graphite_trans_bb_block): Print tentative of loop blocking.
5511 (graphite_trans_scop_block): Do not print that the loop has been
5513 (graphite_transform_loops): Do not handle scops that contain condition
5516 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5518 AVX Programming Reference (December, 2008)
5519 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5520 (_mm256_stream_pd): Likewise.
5521 (_mm256_stream_ps): Likewise.
5523 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5524 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5525 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5526 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5527 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5528 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5529 (ix86_expand_special_args_builtin): Likewise.
5531 * config/i386/sse.md (AVXMODEDI): New.
5532 (avx_movnt<mode>): Likewise.
5533 (avx_movnt<mode>): Likewise.
5534 (<sse>_movnt<mode>): Remove AVX support.
5535 (sse2_movntv2di): Likewise.
5537 2009-01-07 Richard Guenther <rguenther@suse.de>
5540 * fold-const.c (extract_muldiv): Remove obsolete comment.
5541 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5542 to PLUS_EXPR canonicalization for the canonicalization.
5544 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5546 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5547 hosted cross-compilers generating less efficient code.
5549 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5551 * function.h (rtl_data): Add a dbr_scheduled_p field.
5552 * reorg.c (dbr_schedule): Set it.
5553 (gate_handle_delay_slots): Check it.
5554 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5555 (mips_reorg): Check flag_delayed_branch instead of
5556 mips_base_delayed_branch.
5557 (mips_override_options): Don't set mips_base_delayed_branch
5558 or flag_delayed_branch.
5560 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5562 PR rtl-optimization/38426.
5563 * ira.c (ira): Set current_function_is_leaf earlier.
5565 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5567 PR rtl-optimization/38722
5568 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5569 too early, only set a flag and modify after last possible
5572 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5575 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5576 * real.c (decimal_single_format): Correct values of emin and emax.
5577 (decimal_double_format): Ditto.
5578 (decimal_quad_format): Ditto.
5579 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5580 computation of DECnn_MIN and DECnn_MAX for corrected values of
5581 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5582 __DECnn_MIN__, and adjust its computation for the corrected value
5585 2009-01-06 Jan Hubicka <jh@suse.cz>
5588 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5590 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5592 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5593 Add Robert Clark to the list of testers.
5595 2009-01-06 Jan Hubicka <jh@suse.cz>
5596 Kai Tietz <kai.tietz@onevision.com>
5598 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5599 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5601 2009-01-06 Jan Hubicka <jh@suse.cz>
5602 Kai Tietz <kai.tietz@onevision.com>
5604 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5606 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5607 (ix86_nsaved_regs): Count only general purpose regs.
5608 (ix86_nsaved_sseregs): New.
5609 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5610 to 16 for w64; compute padding and size of sse reg save area.
5611 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5612 general purpose regs.
5613 (ix86_emit_save_sse_regs_using_mov): New.
5614 (ix86_expand_prologue): Save SSE regs if needed.
5615 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5616 (ix86_emit_restore_sse_regs_using_mov): New.
5617 (ix86_expand_epilogue): Save SSE regs if needed.
5619 2009-01-06 Jan Hubicka <jh@suse.cz>
5620 Kai Tietz <kai.tietz@onevision.com>
5622 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5623 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5624 functions when accumulate outgoing args is off.
5626 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5629 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5630 before using pseudos_have_intersected_live_ranges_p.
5632 * ira-int.h (ira_assert): Always define.
5634 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5636 AVX Programming Reference (December, 2008)
5637 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5638 (_mm256_permute2_pd): Likewise.
5639 (_mm_permute2_ps): Likewise.
5640 (_mm256_permute2_ps): Likewise.
5641 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5642 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5644 * config/i386/i386.c (ix86_builtins): Remove
5645 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5646 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5647 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5648 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5649 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5650 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5651 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5652 __builtin_ia32_vpermil2ps256.
5653 (ix86_init_mmx_sse_builtins): Updated.
5654 (ix86_expand_args_builtin): Likewise.
5656 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5658 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5659 long absolute calls when generating PA 2.0 code.
5661 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5663 PR rtl-optimization/38583
5664 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5666 * params.def (ira-max-conflict-table-size): New.
5668 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5670 * ira.h (ira_conflicts_p): New external definition.
5672 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5673 table. Report this. Return result of building.
5674 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5675 building conflict table.
5677 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5678 (ira_color): Use ira_conflicts_p.
5680 * global.c: Include ira.h.
5681 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5684 * Makefile.in (global.o): Add ira.h.
5686 * ira-build.c (mark_all_loops_for_removal,
5687 propagate_some_info_from_allocno): New.
5688 (remove_unnecessary_allocnos): Call
5689 propagate_some_info_from_allocno.
5690 (remove_low_level_allocnos): New.
5691 (remove_unnecessary_regions): Add parameter. Call
5692 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5693 parameter to remove_unnecessary_regions.
5694 (ira_build): Remove all regions but root if the conflict table was
5695 not built. Update conflict hard regs for allocnos crossing calls.
5697 * ira.c (ira_conflicts_p): New global.
5698 (ira): Define and use ira_conflicts_p.
5700 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5701 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5702 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5704 2009-01-06 Ben Elliston <bje@au.ibm.com>
5706 * gengtype-lex.l (YY_NO_INPUT): Define.
5708 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5711 * c-common.c (handle_vector_size_attribute): Also reject
5714 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5716 PR tree-optimization/38492
5717 * graphite.c (rename_map_elt, debug_rename_elt,
5718 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5719 rename_map_elt_info, eq_rename_map_elts,
5720 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5721 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5722 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5723 (sese_build_livein_liveouts): New.
5724 (new_sese, free_sese): New.
5725 (new_scop): Call new_sese.
5726 (free_scop): Call free_sese.
5727 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5728 (register_old_new_names): Renamed register_old_and_new_names.
5729 (register_scop_liveout_renames, add_loop_exit_phis,
5730 insert_loop_close_phis, struct igp,
5731 default_liveout_before_guard, add_guard_exit_phis,
5732 insert_guard_phis, copy_renames): New.
5733 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5734 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5735 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5736 (scop_adjust_phis_for_liveouts): New.
5737 (gloog): Call scop_adjust_phis_for_liveouts.
5739 * graphite.h (struct sese): Documented. Added fields liveout,
5741 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5742 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5743 (struct scop): Added field liveout_renames.
5744 (SCOP_LIVEOUT_RENAMES): New.
5746 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5748 PR tree-optimization/38510
5749 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5750 (translate_clast): Call recompute_all_dominators before
5752 (gloog): Call recompute_all_dominators before graphite_verify.
5754 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5755 Jan Sjodin <jan.sjodin@amd.com>
5757 PR tree-optimization/38500
5758 * graphite.c (create_sese_edges): Call fix_loop_structure after
5761 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5763 * config.gcc: Add m32r*-*-rtems*.
5764 * config/m32r/rtems.h: New file.
5766 2009-01-05 Ben Elliston <bje@au.ibm.com>
5768 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5769 (.po.pox): Likewise.
5770 (po/gcc.pot): Likewise.
5772 2009-01-04 David S. Miller <davem@davemloft.net>
5774 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5775 (STARTING_FRAME_OFFSET): Always set to zero.
5777 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5779 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5780 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5781 fixed-point types, and vectors of the same.
5783 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5785 * config/mips/sync.md (*mb_barrier): Rename to...
5786 (*memory_barrier): ...this.
5788 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5790 * doc/extend.texi (Function Attributes): Move @cindex after @item
5791 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5792 and put in alphabetical order. Fix 'target' name and put in order.
5793 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5796 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5798 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5799 (memory_barrier): Expand as unspec instead of unspec_volatile.
5800 Remove mem:BLK from insn operands. Use Pmode scratch register.
5801 (*memory_barrier): Define as unspec instead of unspec_volatile.
5802 Use (match_dup 0) as input operand.
5804 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
5805 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
5806 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
5807 scratch register. Remove operand 1.
5808 (*stbar): Define as unspec instead of unspec_volatile.
5809 Use (match_dup 0) as input operand, remove (const_int 8).
5810 (*membar): Define as unspec instead of unspec_volatile.
5811 Use (match_dup 0) as input operand, remove input operand 2.
5813 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
5814 (memory_barrier): Expand as unspec instead of unspec_volatile.
5815 Remove mem:BLK from insn operands. Use Pmode scratch register.
5816 (*memory_barrier): Define as unspec instead of unspec_volatile.
5817 Use (match_dup 0) as input operand.
5819 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
5820 Remove mem:BLK from insn operands. Use Pmode scratch register.
5821 Set volatile flag on operand 0.
5822 (*memory_barrier): New insn pattern.
5824 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
5826 (*memory_barrier): Use (match_dup 0) as input operand.
5828 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
5829 Remove mem:BLK from insn operands. Use Pmode scratch register.
5830 Set volatile flag on operand 0.
5831 (*mb_internal): New insn pattern.
5833 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
5835 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5838 * function.c (struct temp_slot): Move to the section of the file
5839 that deals with temp slots. Remove field 'address'.
5840 (temp_slot_address_table): New hash table of address -> temp slot.
5841 (struct temp_slot_address_entry): New struct, items for the table.
5842 (temp_slot_address_compute_hash, temp_slot_address_hash,
5843 temp_slot_address_eq, insert_temp_slot_address): Support functions
5845 (find_temp_slot_from_address): Rewrite to use the new hash table.
5846 (remove_unused_temp_slot_addresses): Remove addresses of temp
5847 slots that have been made available.
5848 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
5849 worker function for remove_unused_temp_slot_addresses.
5850 (assign_stack_temp_for_type): Don't clear the temp slot address list.
5851 Add the temp slot address to the address -> temp slot map.
5852 (update_temp_slot_address): Update via insert_temp_slot_address.
5853 (free_temp_slots): Call remove_unused_temp_slot_addresses.
5854 (pop_temp_slots): Likewise.
5855 (init_temp_slots): Allocate the address -> temp slot map, or empty
5856 the map if it is already allocated.
5857 (prepare_function_start): Initialize temp slot processing.
5859 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5862 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
5863 Calculate the size of all stack vars assuming no packing of stack
5864 vars will happen, replacing a quadratic algorithm with a linear one.
5866 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5869 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
5872 2009-01-03 Diego Novillo <dnovillo@google.com>
5874 * doc/contrib.texi: Update contributions.
5876 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5879 * builtins.c (fold_builtin_memory_op): Give up if either operand
5880 is volatile. Set srctype or desttype to non-qualified version
5884 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
5887 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
5889 PR rtl-optimization/35805
5890 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
5891 problem if fast dce is able to remove any instructions.
5892 * dce.c (dce_process_block): Fix dump message.
5894 2009-01-02 Mark Mitchell <mark@codesourcery.com>
5897 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
5899 2009-01-02 Jakub Jelinek <jakub@redhat.com>
5902 * tree-flow.h (op_code_prio, op_prio): New prototypes.
5903 * tree-pretty-print.c (op_code_prio): New function.
5904 (op_prio): No longer static. Use op_code_prio.
5905 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
5906 Use op_prio and op_code_prio to determine if () should be
5907 printed around operand(s) or not.
5909 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
5910 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
5911 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
5912 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
5913 pp_character instead of pp_string for single letter printing.
5915 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5917 * doc/extend.texi: Fix '#pragma GCC option' typo.
5919 2009-01-02 Richard Guenther <rguenther@suse.de>
5921 * doc/install.texi (--enable-checking): Mention different
5923 (--enable-stage1-checking): Document.
5925 2009-01-01 Andrew Pinski <pinskia@gmail.com>
5928 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
5929 case to be an error.
5931 2009-01-02 Ben Elliston <bje@au.ibm.com>
5933 * config/fp-bit.h (pack_d): Constify argument.
5934 * config/fp-bit.c (makenan): Constify return type. Remove casts.
5935 (isnan): Constify argument.
5939 (_fpadd_parts): Constify return type.
5940 (_fpmul_parts): Likewise.
5941 (_fpdiv_parts): Likewise.
5943 2009-01-01 Jakub Jelinek <jakub@redhat.com>
5946 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
5947 warn about overwriting initializer with side-effects or
5948 -Woverride-init if !IMPLICIT.
5949 (output_init_element): Likewise. Pass IMPLICIT down to
5951 (process_init_element): Add IMPLICIT argument. Pass it down
5952 to output_init_element.
5953 (push_init_element, pop_init_level, set_designator): Adjust
5954 process_init_element callers.
5955 (set_nonincremental_init, set_nonincremental_init_from_string):
5956 Adjust add_pending_init callers.
5957 (output_pending_init_elements): Adjust output_init_element callers.
5958 * c-tree.h (process_init_element): Adjust prototype.
5959 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
5960 process_init_element callers.