1 2009-04-07 Ben Elliston <bje@au.ibm.com>
3 * dfp.c: Replace type punning assignments with memcpy throughout.
4 * Makefile.in (dfp.o-warn): Remove.
6 2009-04-07 Alan Modra <amodra@bigpond.net.au>
9 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
10 Include soft-fp/t-softfp after rs6000/t-linux64.
12 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
14 * stor-layout.c (set_sizetype): Use the full precision of their
15 machine mode for bitsize types.
17 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
19 * config/i386/i386.md: Revert 2 accidental checkins.
21 2009-04-06 Joey Ye <joey.ye@intel.com>
22 Xuepeng Guo <xuepeng.guo@intel.com>
23 H.J. Lu <hongjiu.lu@intel.com>
25 Atom pipeline model, tuning and insn selection.
26 * config.gcc (atom): Add atom config options and target.
28 * config/i386/atom.md: New.
30 * config/i386/i386.c (atom_cost): New cost.
31 (m_ATOM): New macro flag.
32 (initial_ix86_tune_features): Set m_ATOM.
33 (x86_accumulate_outgoing_args): Likewise.
34 (x86_arch_always_fancy_math_387): Likewise.
35 (processor_target): Add Atom cost.
36 (cpu_names): Add Atom cpu name.
37 (override_options): Set Atom ISA.
38 (ix86_issue_rate): New case PROCESSOR_ATOM.
39 (ix86_adjust_cost): Likewise.
41 * config/i386/i386.h (TARGET_ATOM): New target macro.
42 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
43 (TARGET_OPT_AGU): New target option.
44 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
45 (processor_type): Add PROCESSOR_ATOM.
47 * config/i386/i386.md (cpu): Add new value "atom".
48 (use_carry, movu): New attr.
49 (atom.md): Include atom.md.
50 (adddi3_carry_rex64): Set attr "use_carry".
51 (addqi3_carry): Likewise.
52 (addhi3_carry): Likewise.
53 (addsi3_carry): Likewise.
54 (*addsi3_carry_zext): Likewise.
55 (subdi3_carry_rex64): Likewise.
56 (subqi3_carry): Likewise.
57 (subhi3_carry): Likewise.
58 (subsi3_carry): Likewise.
59 (x86_movdicc_0_m1_rex64): Likewise.
60 (*x86_movdicc_0_m1_se): Likewise.
61 (x86_movsicc_0_m1): Likewise.
62 (*x86_movsicc_0_m1_se): Likewise.
63 (*adddi_1_rex64): Emit add insn as much as possible.
65 (return_internal): Set atom_unit.
66 (return_internal_long): Likewise.
67 (return_pop_internal): Likewise.
68 (*rcpsf2_sse): Set atom_sse_attr attr.
69 (*qrt<mode>2_sse): Likewise.
70 (*prefetch_sse): Likewise.
72 * config/i386/i386-c.c (ix86_target_macros_internal): New case
74 (ix86_target_macros_internal): Likewise.
76 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
77 (*prefetch_sse_rex): Likewise.
78 (sse_rcpv4sf2): Likewise.
79 (sse_vmrcpv4sf2): Likewise.
80 (sse_sqrtv4sf2): Likewise.
81 (<sse>_vmsqrt<mode>2): Likewise.
82 (sse_ldmxcsr): Likewise.
83 (sse_stmxcsr): Likewise.
84 (*sse_sfence): Likewise.
85 (sse2_clflush): Likewise.
86 (*sse2_mfence): Likewise.
87 (*sse2_lfence): Likewise.
88 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
89 (<sse>_movup<ssemodesuffixf2c>): Likewise.
90 (avx_movdqu<avxmodesuffix>): Likewise.
91 (avx_lddqu<avxmodesuffix>): Likewise.
92 (sse2_movntv2di): Change attr "type" to "ssemov".
93 (sse2_movntsi): Likewise.
94 (rsqrtv8sf2): Change attr "type" to "sseadd".
95 (sse3_addsubv2df3): Set attr "atom_unit".
96 (sse3_h<plusminus_insn>v4sf3): Likewise.
97 (*sse2_pmaddwd): Likewise.
98 (*vec_extractv2di_1_rex64): Likewise.
99 (*vec_extractv2di_1_avx): Likewise.
100 (sse2_psadbw): Likewise.
101 (ssse3_phaddwv8hi3): Likewise.
102 (ssse3_phaddwv4hi3): Likewise.
103 (ssse3_phadddv4si3): Likewise.
104 (ssse3_phadddv2si3): Likewise.
105 (ssse3_phaddswv8hi3): Likewise.
106 (ssse3_phaddswv4hi3): Likewise.
107 (ssse3_phsubwv8hi3): Likewise.
108 (ssse3_phsubwv4hi3): Likewise.
109 (ssse3_phsubdv4si3): Likewise.
110 (ssse3_phsubdv2si3): Likewise.
111 (ssse3_phsubswv8hi3): Likewise.
112 (ssse3_phsubswv4hi3): Likewise.
113 (ssse3_pmaddubsw128): Likewise.
114 (sse3_pmaddubsw: Likewise.
115 (ssse3_palignrti): Likewise.
116 (ssse3_palignrdi): Likewise.
118 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
120 * doc/install.texi (Specific): Fix two cross-references to MinGW.
122 2009-04-06 Richard Guenther <rguenther@suse.de>
124 PR tree-optimization/28868
125 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
126 of which PHI results we inserted.
127 (insert_into_preds_of_block): Record inserted PHIs.
128 (eliminate): Eliminate redundant PHI nodes.
129 (init_pre): Init inserted_phi_names.
131 2009-04-06 Richard Guenther <rguenther@suse.de>
133 PR tree-optimization/39643
134 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
135 IMAGPART_EXPRs of complex constants.
136 (execute_fold_all_builtins): If we folded a call queue
137 TODO_update_address_taken.
139 2009-04-06 Jan Hubicka <jh@suse.cz>
142 * except.c (remove_unreachable_regions): Propagate may_contain_throw
145 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
147 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
149 (ic_invalidate_array): Likewise.
151 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
153 * calls.c (emit_library_call_value_1): Fix a problem with parameter
154 alignment for library calls.
156 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
158 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
159 (mingw32 tm clause use_gcc_stdint): Set to wrap.
160 * config/i386/mingw-stdint.h: New file.
162 2009-04-05 Richard Guenther <rguenther@suse.de>
164 PR tree-optimization/39648
165 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
166 our &A vs. &A[0] IL deficiencies.
168 2009-04-04 Jan Hubicka <jh@suse.cz>
170 * except.c (sjlj_find_directly_reachable_regions): Be ready for
171 removed toplevel regions.
172 (sjlj_mark_call_sites): Likewise.
174 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
176 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
177 (cygwin tm clause use_gcc_stdint): Set to wrap.
178 * config/i386/cygwin-stdint.h: New file.
180 2009-04-04 Richard Guenther <rguenther@suse.de>
182 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
183 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
184 single-argument PHIs if we are in loop-closed SSA form.
185 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
186 for the pre-condition.
187 (slpeel_tree_peel_loop_to_edge): Likewise.
188 (vect_build_loop_niters): Take an optional sequence to append stmts.
189 (vect_generate_tmps_on_preheader): Likewise.
190 (vect_do_peeling_for_loop_bound): Take extra guards for the
192 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
193 the cost model check.
194 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
195 guards if we are going to peel. Do not apply versioning in that
197 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
198 (vect_do_peeling_for_loop_bound): Likewise.
199 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
200 loop bound only record extra pre-conditions, do not apply loop
203 2009-04-04 Richard Guenther <rguenther@suse.de>
205 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
208 2009-04-04 Jan Hubicka <jh@suse.cz>
210 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
211 last_basic_block for size of bb->index indexed array.
212 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
213 compute_out, link_btr_uses, build_btr_def_use_webs,
214 build_btr_def_use_webs, migrate_btr_defs): Likewise.
216 2009-04-04 Jan Hubicka <jh@suse.cz>
218 * except.c (remove_eh_handler_and_replace): Break out from ...
219 (remove_eh_handler): ... here.
220 (bring_to_root): New function.
221 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
222 handled ones, bring others to root of tree.
224 2009-04-04 Jan Hubicka <jh@suse.cz>
226 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
227 (all_phis_safe_to_merge): New function.
228 (update_info): New structure.
229 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
230 (cleanup_empty_eh): Update SSA if possible.
232 2009-04-04 Richard Guenther <rguenther@suse.de>
234 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
235 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
236 (append_vuse): Likewise.
238 2009-04-04 Jakub Jelinek <jakub@redhat.com>
240 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
241 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
242 instead of REG_UNSAVED for DW_CFA_undefined.
243 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
244 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
247 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
250 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
251 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
252 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
254 2009-04-04 Richard Guenther <rguenther@suse.de>
256 PR tree-optimization/8781
257 PR tree-optimization/37892
258 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
259 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
260 (valueize_refs): Call it for *& valueizations.
261 (shared_reference_ops_from_ref): Rename to ...
262 (valueize_shared_reference_ops_from_ref): ... this and valueize.
263 (shared_reference_ops_from_call): Rename to ...
264 (valueize_shared_reference_ops_from_call): ... this and valueize.
265 (vn_reference_lookup): Update.
266 (visit_reference_op_call): Likewise.
267 * tree-ssa-pre.c (phi_translate_1): Fold *&.
268 (eliminate): Value-replace the call address in call statements.
270 2009-04-04 Richard Guenther <rguenther@suse.de>
272 PR tree-optimization/39636
273 * tree-ssa-forwprop.c
274 (forward_propagate_addr_into_variable_array_index): Check for
275 GIMPLE_ASSIGN before accessing the rhs code.
277 2009-04-03 Jason Merrill <jason@redhat.com>
279 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
281 2009-04-03 Steve Ellcey <sje@cup.hp.com>
283 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
284 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
285 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
286 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
287 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
288 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
289 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
290 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
291 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
292 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
293 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
294 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
295 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
296 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
297 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
298 Use fr_reg_or_fp01_operand instead of fr_register_operand
300 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
301 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
302 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
304 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
306 PR rtl-optimization/39607
307 PR rtl-optimization/39631
309 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
310 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
311 instead of DF_LR_OUT.
312 * ira-lives.c (process_bb_node_lives): Ditto.
313 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
314 instead of DF_LR_{OUT,IN}.
315 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
316 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
318 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
320 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
321 (execute_lower_omp): Always run but take the short way out if -fopenmp
323 (gate_lower_omp): Remove, forcing the pass manager to always run the
324 pass and always set PROP_gimple_lomp.
325 (pass_lower_omp): Remove gate function.
326 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
327 PROP_trees. Instead, require it.
328 * ipa-cp.c (pass_ipa_cp): Likewise.
329 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
330 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
331 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
334 2009-04-03 Richard Guenther <rguenther@suse.de>
337 PR tree-optimization/23940
338 PR tree-optimization/33237
341 PR tree-optimization/36201
342 PR tree-optimization/36230
343 PR tree-optimization/38049
344 PR tree-optimization/38207
345 PR tree-optimization/38230
346 PR tree-optimization/38301
347 PR tree-optimization/38585
349 PR tree-optimization/38985
350 PR tree-optimization/39299
351 * tree-ssa-structalias.h: Remove.
352 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
353 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
354 (struct vuse_element_d): Remove.
355 (struct vuse_vec_d): Likewise.
356 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
357 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
358 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
359 VUSE_ELEMENT_VAR): Likewise.
360 (struct voptype_d): Likewise.
361 (NUM_VOP_FREE_BUCKETS): Likewise.
362 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
363 (struct stmt_operands_d): Remove.
364 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
365 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
366 VDEF_NUM, VDEF_VECT): Likewise.
367 (copy_virtual_operands): Remove.
368 (operand_build_cmp): Likewise.
369 (create_ssa_artificial_load_stmt): Likewise.
370 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
371 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
372 vuse_index and mayuse_index members. Pack and move done and iter_type
373 members to the front.
374 (SSA_OP_VMAYUSE): Remove.
375 (SSA_OP_VIRTUAL_USES): Adjust.
376 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
377 (unlink_stmt_vdef): Declare.
378 (add_to_addressable_set): Remove.
379 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
380 (vrp_visit_stmt): Likewise.
381 * doc/tree-ssa.texi (Alias analysis): Update.
382 * doc/invoke.texi (max-aliased-vops): Remove docs.
383 (avg-aliased-vops): Likewise.
384 * tree-into-ssa.c (syms_to_rename): Remove.
385 (need_to_update_vops_p): Likewise.
386 (need_to_initialize_update_ssa_p): Rename to ...
387 (update_ssa_initialized_fn): ... this. Track function we are
389 (symbol_marked_for_renaming): Simplify.
390 (add_new_name_mapping): Do not set need_to_update_vops_p.
391 (dump_currdefs): Use SYMS_TO_RENAME.
392 (rewrite_update_stmt): Always walk all uses/defs.
393 (dump_update_ssa): Adjust.
394 (init_update_ssa): Take function argument. Track what we are
396 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
397 (create_new_def_for): Initialize for cfun, assert we are initialized
399 (mark_sym_for_renaming): Simplify.
400 (mark_set_for_renaming): Do not initialize update-ssa.
401 (need_ssa_update_p): Simplify. Take function argument.
402 (name_mappings_registered_p): Assert we ask for the correct function.
403 (name_registered_for_update_p): Likewise.
404 (ssa_names_to_replace): Likewise.
405 (release_ssa_name_after_update_ssa): Likewise.
406 (update_ssa): Likewise. Use SYMS_TO_RENAME.
407 (dump_decl_set): Do not print a newline.
408 (debug_decl_set): Do it here.
409 (dump_update_ssa): And here.
410 * tree-ssa-loop-im.c (move_computations): Adjust.
411 (movement_possibility): Likewise.
412 (determine_max_movement): Likewise.
413 (gather_mem_refs_stmt): Likewise.
414 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
416 * tree-complex.c (update_all_vops): Remove.
417 (expand_complex_move): Adjust.
418 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
419 Simplify test for memory referencing statement. Exclude
420 non-invariant ADDR_EXPRs.
421 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
422 * tree-loop-distribution.c (generate_memset_zero): Adjust.
423 (rdg_flag_uses): Likewise.
424 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
426 (tree_optimize_tail_calls_1): Also split the
427 edge from the entry block if we have degenerate PHI nodes in
428 the first basic block.
429 * tree.c (init_ttree): Remove memory-tag related code.
430 (tree_code_size): Likewise.
431 (tree_node_structure): Likewise.
432 (build7_stat): Re-write to be build6_stat.
433 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
435 (struct tree_memory_tag): Remove.
436 (struct tree_memory_partition_tag): Likewise.
437 (union tree_node): Adjust.
438 (build7): Re-write to be build6.
439 * tree-pass.h (pass_reset_cc_flags): Remove.
440 (TODO_update_address_taken): New flag.
441 (pass_simple_dse): Remove.
442 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
443 * params.h (MAX_ALIASED_VOPS): Remove.
444 (AVG_ALIASED_VOPS): Likewise.
445 * omp-low.c (expand_omp_taskreg): Update SSA form.
446 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
447 aliases the lhs in a copy stmt.
448 * tree-ssa-dse.c (struct address_walk_data): Remove.
449 (memory_ssa_name_same): Likewise.
450 (memory_address_same): Likewise.
451 (get_kill_of_stmt_lhs): Likewise.
452 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
453 unused stores. Look through PHI nodes into post-dominated regions.
454 (dse_optimize_stmt): Simplify. Properly remove stores.
455 (tree_ssa_dse): Compute dominators.
456 (execute_simple_dse): Remove.
457 (pass_simple_dse): Likewise.
458 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
459 gimple_loaded_syms and gimple_stored_syms computation.
460 * toplev.c (dump_memory_report): Dump alias and pta stats.
461 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
462 (vn_reference_eq): Likewise.
463 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
464 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
465 valueize_vuses): Remove.
466 (get_def_ref_stmt_vuses): Simplify. Rename to ...
467 (get_def_ref_stmt_vuse): ... this.
468 (vn_reference_lookup_2): New function.
469 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
470 walking equivalent vuses. Simplify.
471 (vn_reference_lookup): Likewise.
472 (vn_reference_insert): Likewise.
473 (vn_reference_insert_pieces): Likewise.
474 (visit_reference_op_call): Simplify.
475 (visit_reference_op_load): Likewise.
476 (visit_reference_op_store): Likewise.
477 (init_scc_vn): Remove shared_lookup_vuses initialization.
478 (free_scc_vn): Remove shared_lookup_vuses freeing.
479 (sort_vuses, sort_vuses_heap): Remove.
480 (get_ref_from_reference_ops): Export.
481 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
482 vector with single vuse pointer.
483 (vn_reference_lookup_pieces, vn_reference_lookup,
484 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
485 (shared_vuses_from_stmt): Remove.
486 (get_ref_from_reference_ops): Declare.
487 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
488 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
489 memory-tag related code.
490 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
491 (likely_value): Add comment, skip static-chain of call statements.
492 (surely_varying_stmt_p): Adjust.
493 (gimplify_and_update_call_from_tree): Likewise.
494 (execute_fold_all_builtins): Do not rebuild alias info.
495 (gimplify_and_update_call_from_tree): Properly update VOPs.
496 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
497 (copy_ref_info): Remove memory-tag related code.
498 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
499 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
500 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
502 * tree-ssa-dom.c (gimple_p): Remove typedef.
503 (eliminate_redundant_computations): Adjust.
504 (record_equivalences_from_stmt): Likewise.
505 (avail_expr_hash): Likewise.
506 (avail_expr_eq): Likewise.
507 * tree-ssa-propagate.c (update_call_from_tree): Properly
509 (stmt_makes_single_load): Likewise.
510 (stmt_makes_single_store): Likewise.
511 * tree-ssa-alias.c: Rewrite completely.
512 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
513 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
514 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
515 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
516 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
517 Remove public functions.
518 (pass_reset_cc_flags): Remove.
519 (pass_build_alias): Move ...
520 * tree-ssa-structalias.c (pass_build_alias): ... here.
521 * tree-ssa-alias.c (may_be_aliased): Move ...
522 * tree-flow-inline.h (may_be_aliased): ... here.
523 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
524 count_uses_and_derefs): Move ...
525 * gimple.c: ... here.
526 * gimple.h (count_uses_and_derefs): Declare.
527 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
528 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
529 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
530 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
531 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
532 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
533 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
535 * tree-dfa.c (refs_may_alias_p): Move ...
536 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
537 * tree-ssa-alias.h: New file.
538 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
539 (statement_sink_location): Likewise.
540 * opts.c (decode_options): Do not adjust max-aliased-vops or
541 avg-aliased-vops values.
542 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
543 (TV_CALL_CLOBBER): Likewise.
544 (TV_FLOW_SENSITIVE): Likewise.
545 (TV_FLOW_INSENSITIVE): Likewise.
546 (TV_MEMORY_PARTITIONING): Likewise.
547 (TV_ALIAS_STMT_WALK): New timevar.
548 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
549 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
550 (get_address_description): Remove memory-tag related code.
551 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
552 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
553 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
554 and immediate uses in statements. Document.
555 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
556 (dump_symbols): Remove.
557 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
558 * alias.c (get_deref_alias_set): New function split out from ...
559 (get_alias_set): ... here.
560 * alias.h (get_deref_alias_set): Declare.
561 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
562 type parameter. Remove restrict pointer handling. Create a
563 ref-all pointer in case type-based alias sets do not conflict.
564 (vect_analyze_data_refs): Remove SMT related code.
565 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
566 (vectorizable_load): Likewise.
567 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
568 (DR_SYMBOL_TAG, DR_VOPS): Remove.
569 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
570 Ignore vops and SMTs.
571 (dr_analyze_alias): Likewise..
572 (free_data_ref): Likewise.
573 (create_data_ref): Likewise.
574 (analyze_all_data_dependences): Likewise.
575 (get_references_in_stmt): Adjust.
576 * tree-flow-inline.h (gimple_aliases_computed_p,
577 gimple_addressable_vars, gimple_call_clobbered_vars,
578 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
579 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
580 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
581 gimple_mem_ref_stats): Remove.
582 (gimple_vop): New function.
583 (op_iter_next_use): Remove vuses and mayuses cases.
584 (op_iter_next_def): Remove vdefs case.
585 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
586 (clear_and_done_ssa_iter): Do not set removed fields.
587 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
588 Assert we are not iterating over vuses or vdefs if not also
589 iterating over uses or defs.
590 (op_iter_init_use): Likewise.
591 (op_iter_init_def): Likewise.
592 (op_iter_next_vdef): Remove.
593 (op_iter_next_mustdef): Likewise.
594 (op_iter_init_vdef): Likewise.
595 (compare_ssa_operands_equal): Likewise.
596 (link_use_stmts_after): Handle vuse operand.
597 (is_call_used): Use is_call_clobbered.
598 (is_call_clobbered): Global variables are always call clobbered,
599 query the call-clobbers bitmap.
600 (mark_call_clobbered): Ignore global variables.
601 (clear_call_clobbered): Likewise.
602 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
603 virtual operands sanity check.
604 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
606 (TARGET_MEM_REF): Remove TMR_TAG operand.
607 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
608 Remove call-clobber related code.
609 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
610 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
611 partitions or escape reason.
612 (get_single_def_stmt, get_single_def_stmt_from_phi,
613 get_single_def_stmt_with_phi): Remove.
614 (dump_referenced_vars): Tidy.
615 (get_ref_base_and_extent): Allow bare decls.
616 (collect_dfa_stats): Adjust.
617 * graphite.c (rename_variables_in_stmt): Adjust.
618 (graphite_copy_stmts_from_block): Likewise.
619 (translate_clast): Likewise.
620 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
622 (translate_vuse_through_block): Use the oracle.
623 (phi_translate_1): Adjust.
624 (value_dies_in_block_x): Use the oracle. Cache the outcome
626 (valid_in_sets): Check if the VUSE for
627 a REFERENCE is available.
628 (eliminate): Do not remove stmts during elimination,
629 instead queue and remove them afterwards.
630 (do_pre): Do not rebuild alias info.
631 (pass_pre): Run TODO_rebuild_alias before PRE.
632 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
633 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
634 (mark_all_v_defs_stmt): Remove.
635 (mark_all_v_defs_seq): Adjust.
636 (sra_replace): Likewise.
637 (scalarize_use): Likewise.
638 (scalarize_copy): Likewise.
639 (scalarize_init): Likewise.
640 (scalarize_ldst): Likewise.
642 (tree_sra): Do not rebuild alias info.
643 (tree_sra_early): Adjust.
644 (pass_sra): Run TODO_update_address_taken before SRA.
645 * tree-predcom.c (set_alias_info): Remove.
646 (prepare_initializers_chain): Do not call it.
647 (mark_virtual_ops_for_renaming): Adjust.
648 (mark_virtual_ops_for_renaming_list): Remove.
649 (initialize_root_vars): Adjust.
650 (initialize_root_vars_lm): Likewise.
651 (prepare_initializers_chain): Likewise.
652 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
653 (may_propagate_copy_into_stmt): Likewise.
654 (merge_alias_info): Do nothing for now.
655 (propagate_tree_value_into_stmt): Adjust.
656 (stmt_may_generate_copy): Likewise.
657 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
658 not mark symbols for renaming.
659 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
660 with the same statement, make sure to update the new pointed-to one.
661 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
662 call statements, do not mark symbols for renaming.
663 (mark_operand_necessary): Dump something.
664 (ref_may_be_aliased): New function.
665 (mark_aliased_reaching_defs_necessary_1): New helper function.
666 (mark_aliased_reaching_defs_necessary): Likewise.
667 (mark_all_reaching_defs_necessary_1): Likewise.
668 (mark_all_reaching_defs_necessary): Likewise.
669 (propagate_necessity): Do not process virtual PHIs. For
670 non-aliased loads mark all reaching definitions as necessary.
671 For aliased loads and stores mark the immediate dominating
672 aliased clobbers as necessary.
673 (visited): New global static.
674 (perform_tree_ssa_dce): Free visited bitmap after propagating
676 (remove_dead_phis): Perform simple dead virtual PHI removal.
677 (remove_dead_stmt): Properly unlink virtual operands when
679 (eliminate_unnecessary_stmts): Schedule PHI removal after
681 * tree-ssa-ter.c (is_replaceable_p): Adjust.
682 (process_replaceable): Likewise.
683 (find_replaceable_in_bb): Likewise.
684 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
685 based on the single gimple vop.
686 (verify_flow_insensitive_alias_info): Remove.
687 (verify_flow_sensitive_alias_info): Likewise.
688 (verify_call_clobbering): Likewise.
689 (verify_memory_partitions): Likewise.
690 (verify_alias_info): Likewise.
691 (verify_ssa): Adjust..
692 (execute_update_addresses_taken): Export. Update SSA
693 manually. Optimize only when optimizing. Use a local bitmap.
694 (pass_update_address_taken): Remove TODO_update_ssa, add
696 (pass_update_address_taken): Just use TODO_update_address_taken.
697 (init_tree_ssa): Do not initialize addressable_vars.
698 (verify_ssa): Verify new VUSE / VDEF properties.
699 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
700 Do not call verify_alias_info.
701 (delete_tree_ssa): Clear the VUSE, VDEF operands.
702 Do not free the loaded and stored syms bitmaps. Reset the escaped
703 and callused solutions. Do not free addressable_vars.
704 Remove memory-tag related code.
705 (warn_uninitialized_var): Aliases are always available.
706 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
707 * lambda-code.c (can_put_in_inner_loop): Adjust.
708 (can_put_after_inner_loop): Likewise.
709 (perfect_nestify): Likewise.
710 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
711 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
712 (vectorizable_conversion): Do not mark symbols for renaming.
713 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
714 (expand_call_inline): Unlink the calls virtual operands before
716 (tree_function_versioning): Do not call update_ssa if we are not
717 updating clones. Simplify.
718 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
719 (propagate_with_phi): Likewise..
720 * tree-outof-ssa.c (create_temp): Remove memory tag and call
721 clobber code. Assert we are not aliased or global.
722 * tree-flow.h: Include tree-ssa-alias.h
723 (enum escape_type): Remove.
724 (struct mem_sym_stats_d): Likewise.
725 (struct mem_ref_stats_d): Likewise.
726 (struct gimple_df): Add vop member. Remove global_var,
727 call_clobbered_vars, call_used_vars, addressable_vars,
728 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
729 escaped and callused members.
730 (struct ptr_info_def): Remove all members, add points-to solution
732 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
733 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
734 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
735 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
736 (tree-ssa-alias.o): Likewise.
737 (toplev.o): Add tree-ssa-alias.h
738 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
739 * gimple.c (gimple_set_bb): Fix off-by-one error.
740 (is_gimple_reg): Do not handle memory tags.
741 (gimple_copy): Also copy virtual operands.
742 Delay updating the statement. Do not reset loaded and stored syms.
743 (gimple_set_stored_syms): Remove.
744 (gimple_set_loaded_syms): Likewise.
745 (gimple_call_copy_skip_args): Copy the virtual operands
746 and mark the new statement modified.
747 * tree-ssa-structalias.c (may_alias_p): Remove.
748 (set_uids_in_ptset): Take the alias set to prune with as
749 parameter. Fold in the alias test of may_alias_p.
750 (compute_points_to_sets): Compute whether a ptr is dereferenced
752 (process_constraint): Deal with &ANYTHING on the lhs, reject all
753 other ADDRESSOF constraints on the lhs.
754 (get_constraint_for_component_ref): Assert that we don't get
755 ADDRESSOF constraints from the base of the reference.
756 Properly generate UNKNOWN_OFFSET for DEREF if needed.
757 (struct variable_info): Remove collapsed_to member.
758 (get_varinfo_fc): Remove.
759 (new_var_info): Do not set collapsed_to.
760 (dump_constraint): Do not follow cycles.
761 (dump_constraint_graph): Likewise.
762 (build_pred_graph): Likewise.
763 (build_succ_graph): Likewise.
764 (rewrite_constraints): Likewise.
765 (do_simple_structure_copy): Remove.
766 (do_rhs_deref_structure_copy): Remove.
767 (do_lhs_deref_structure_copy): Remove.
768 (collapse_rest_of_var): Remove.
769 (do_structure_copy): Re-implement.
770 (pta_stats): New global variable.
771 (dump_pta_stats): New function.
772 (struct constraint_expr): Make offset signed.
773 (UNKNOWN_OFFSET): Define special value.
774 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
775 (solution_set_expand): New helper function split out from ...
776 (do_sd_constraint): ... here.
777 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
778 (do_ds_constraint): Likewise.
779 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
780 and CALLUSED = *CALLUSED.
781 (set_union_with_increment): Make inc argument signed.
783 (get_constraint_for_ptr_offset): Handle unknown and negative
785 (first_vi_for_offset): Handle offsets before start. Bail
786 out early for offsets beyond the variable extent.
787 (first_or_preceding_vi_for_offset): New function.
788 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
789 Together with ESCAPED = *ESCAPED this properly computes reachability.
790 (find_what_var_points_to): New function.
791 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
792 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
793 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
794 pt_solutions_intersect): New functions.
795 (compute_call_used_vars): Remove.
796 (compute_may_aliases): New main entry into PTA computation.
797 * gimple.h (gimple_p): New typedef.
798 (struct gimple_statement_base): Remove references_memory_p.
799 (struct gimple_statement_with_memory_ops_base): Remove
800 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
802 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
803 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
804 gimple_set_references_memory): Remove.
805 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
806 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
808 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
809 (verify_expr): Allow RESULT_DECL.
810 (gimple_duplicate_bb): Do not copy virtual operands.
811 (gimple_duplicate_sese_region): Adjust.
812 (gimple_duplicate_sese_tail): Likewise.
813 (mark_virtual_ops_in_region): Remove.
814 (move_sese_region_to_fn): Do not call it.
815 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
817 (execute_function_todo): Handle TODO_update_address_taken,
818 call execute_update_addresses_taken for TODO_rebuild_alias.
819 (execute_todo): Adjust.
820 (execute_one_pass): Init dump files early.
821 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
823 (create_general_new_stmt): Clear vops.
824 * tree-ssa-reassoc.c (get_rank): Adjust.
825 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
826 symbols for renaming.
827 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
828 (PARAM_AVG_ALIASED_VOPS): Likewise.
829 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
830 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
831 * tree-ssa-operands.c: Simplify for new virtual operand
833 (operand_build_cmp, copy_virtual_operands,
834 create_ssa_artificial_load_stmt, add_to_addressable_set,
835 gimple_add_to_addresses_taken): Remove public functions.
836 (unlink_stmt_vdef): New function.
838 2009-04-03 Alan Modra <amodra@bigpond.net.au>
840 * config.gcc (powerpc-*-linux*): Merge variants.
842 2009-04-02 Chao-ying Fu <fu@mips.com>
843 James Grosbach <james.grosbach@microchip.com>
845 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
846 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
848 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
849 keep_interrupts_masked_p, use_debug_exception_return_p.
850 (mips_attribute_table): Add interrupt, use_shadow_register_set,
851 keep_interrupts_masked, use_debug_exception_return.
852 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
853 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
855 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
856 (mips_print_operand): Process COP0 registers to print $0 .. $31
857 correctly for GAS to process.
858 (mips_interrupt_extra_call_saved_reg_p): New function.
859 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
861 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
862 (mips_compute_frame_info): Add supports for interrupt context that
863 includes doubleword accumulators and COP0 registers.
864 (mips_for_each_saved_acc): New function.
865 (mips_for_each_saved_gpr_and_fpr): Change the function name from
866 mips_for_each_saved_reg.
867 (mips_save_reg): Save accumulators.
868 (mips_kernel_reg_p): A new for_each_rtx callback.
869 (mips_expand_prologue): Support interrupt handlers.
870 (mips_restore_reg): Restore accumulators.
871 (mips_expand_epilogue): Support interrupt handlers.
872 (mips_can_use_return_insn): Return false for interrupt handlers.
873 (mips_epilogue_uses): New function.
874 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
875 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
876 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
877 cop0_move): New instructions.
878 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
879 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
881 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
883 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
884 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
885 interrupt handlers, we use K0 as the temporary register.
886 (EPILOGUE_USES): Change to a function call.
887 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
888 handlers, we use K0 as the temporary register.
890 * doc/extend.texi (Function Attributes): Document interrupt,
891 use_shadow_register_set, keep_interrupts_masked,
892 use_debug_exception_return for MIPS attributes.
894 2009-04-03 Alan Modra <amodra@bigpond.net.au>
896 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
897 Remove a number of t-files from tmake_file.
898 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
899 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
900 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
901 target_prototype, not TARGET_PROTOTYPE.
902 (LINK_OS_GNU_SPEC): Define.
903 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
904 and darwin-ldoubdle.c.
906 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
909 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
910 (cpp_options): Ditto.
911 (default_compilers): Ditto.
912 (display_help): Ditto.
913 (process_command): Ditto.
915 (set_input): Use lbasename instead of duplicate code.
916 (save_temps_prefix): New static for -save-temps=obj.
917 (save_temps_length): Ditto.
919 * doc/invoke.texi (-save-temps=obj): Document new variant to
922 2009-04-02 Jeff Law <law@redhat.com>
924 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
927 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
929 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
930 * configure: Regenerated.
932 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
934 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
935 share the argument list.
937 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
941 2009-02-12 Diego Novillo <dnovillo@google.com>
943 * varpool.c (debug_varpool): New.
944 * cgraph.h (debug_varpool): Declare.
946 2009-04-02 Jan Hubicka <jh@suse.cz>
948 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
951 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
953 * config/i386/i386.c (ix86_abi): Move initialization to ...
954 (override_options): Here.
956 2009-04-02 Christian Bruel <christian.bruel@st.com>
958 * config/sh/sh.c (sh_dwarf_register_span): New function.
959 (TARGET_DWARF_REGISTER_SPAN): Define.
960 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
962 2009-04-02 Ira Rosen <irar@il.ibm.com>
964 PR tree-optimization/39595
965 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
966 interleaved loads group is not greater than the SLP group size.
968 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
970 * builtins.c (is_builtin_name): New.
971 (called_as_built_in): Use is_builtin_name.
972 * tree.h (is_builtin_name): New.
973 * varasm.c (incorporeal_function_p): Use is_builtin_name
975 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
977 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
979 2009-04-02 Dodji Seketeli <dodji@redhat.com>
982 * c-decl.c: (clone_underlying_type): Move this ...
983 * c-common.c (set_underlying_type): ... here.
984 Also, make sure the function properly sets TYPE_STUB_DECL() on
985 the newly created typedef variant type.
986 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
987 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
989 2009-04-02 Richard Guenther <rguenther@suse.de>
991 PR tree-optimization/37221
992 * tree-flow.h (degenerate_phi_result): Declare.
993 * tree-ssa-dom.c (degenerate_phi_result): Export.
994 * tree-scalar-evolution.c (analyze_initial_condition): If
995 the initial condition is defined by a degenerate PHI node
996 use the degenerate value.
998 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1000 PR rtl-optimization/39588
1001 * combine.c (merge_outer_ops): Do not set the constant when this
1003 (simplify_shift_const_1): Do not modify it either in this case.
1005 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1007 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1008 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1010 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1013 * c-lex.c (interpret_float): Default (no suffix) is double.
1015 2009-04-1 Xinliang David Li <davidxl@google.com>
1017 * config/i386/i386.c (legitimate_constant_p): Recognize
1018 all one vector constant.
1020 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1022 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1023 Change #include order to silence two warnings.
1025 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1027 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1028 (ASM_SPEC): Pass -k to the assembler for PIC code.
1030 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1032 * gcc/config.gcc: Add vax-*-linux* to the switch.
1033 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1034 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1036 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1038 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1039 Use predicate macros instead of GET_CODE() == foo.
1040 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1041 ashlsi3, rotrsi3, <unnamed>): Likewise.
1043 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1045 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1046 jbbccihi, jbbccisi): Remova trailing whitespace.
1047 * gcc/config/vax/constraints.md: Likewise.
1048 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1049 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1050 * gcc/config/vax/predicates.md: Likewise.
1051 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1052 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1053 * gcc/config/vax/vax.h: Likewise.
1054 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1056 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1058 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1059 (indirectable_address_p, adjacent_operands_p): Add spaces around
1061 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1063 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1065 * gcc/config/vax/vax.c (legitimate_constant_address_p,
1066 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1067 index_term_p, reg_plus_index_p, legitimate_address_p,
1068 vax_mode_dependent_address_p): Update comments to match functions
1069 modified by the recent int->bool conversion.
1071 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1073 * gcc/config/vax/builtins.md: Update copyright message.
1074 * gcc/config/vax/constraints.md: Likewise.
1075 * gcc/config/vax/netbsd-elf.h: Likewise.
1076 * gcc/config/vax/predicates.md: Likewise.
1077 * gcc/config/vax/vax-protos.h: Likewise.
1078 * gcc/config/vax/vax.c: Likewise.
1079 * gcc/config/vax/vax.h: Likewise.
1080 * gcc/config/vax/vax.md: Likewise.
1081 * gcc/config/vax/vax.opt: Likewise.
1083 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1085 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1086 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1087 * gcc/config/vax/constraints.md (B, R): Likewise.
1088 * gcc/config/vax/predicates.md (external_memory_operand,
1089 nonimmediate_addsub_di_operand): Likewise.
1090 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1091 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1092 untyped_call): Likewise.
1094 2009-04-01 Matt Thomas <matt@3am-software.com>
1096 * config/vax/predicates.md: New file. (symbolic_operand,
1097 local_symbolic_operand, external_symbolic_operand,
1098 external_const_operand, nonsymbolic_operand, external_memory_operand,
1099 indirect_memory_operand, indexed_memory_operand,
1100 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1101 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1103 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
1104 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
1105 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
1106 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
1107 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
1108 * config/vax/vax.opt (mqmath): Add option.
1109 * config/vax/vax.md (isfx): Extend with DI.
1110 (VAXintQH, VAXintQHSD): Define.
1111 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
1112 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
1113 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
1114 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
1115 (movdi): Update constraints and use vax_output_int_move().
1116 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1117 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1118 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1119 nonlocal_goto): New.
1120 (mov<mode>): Extend accepted operand types.
1121 (subdi3_old): Rename from subdi3, change update constraints and use
1122 a new implementation.
1123 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1124 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1125 MOVE_RATIO, CLEAR_RATIO): Define.
1126 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1127 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1128 (PRINT_OPERAND): Redefine using a function instead of inlined code.
1129 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1130 (split_quadword_operands): Make static and really allow variable
1132 (print_operand_address): Update for PIC generation.
1133 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1134 indexable_address_p, fixup_mathdi_operand,
1135 vax_expand_addsub_di_operands, adjacent_operands_p): New.
1136 (vax_float_literal, legitimate_constant_p,
1137 indirectable_constant_address_p, index_term_p,
1138 reg_plus_index_p): Return bool instead of int.
1139 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1141 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1143 (vax_output_conditional_branch): Indent.
1144 (legitimate_constant_address_p, indirectable_constant_address_p,
1145 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1146 vax_mode_dependent_address_p): Return bool instead of int, update for
1148 * config/vax/vax-protos.h (legitimate_constant_address_p,
1149 legitimate_constant_p, legitimate_address_p,
1150 vax_mode_dependent_address_p): Change declaration to bool.
1151 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1152 vax_expand_addsub_di_operands, vax_output_int_subtract,
1153 vax_output_movmemsi): Declare.
1154 (split_quadword_operands, vax_float_literal): Delete declaration.
1155 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1156 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1157 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1158 ASM_OUTPUT_DWARF_PCREL): Define.
1159 (ASM_SPEC): Change definition to allow PIC generation.
1161 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1164 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1165 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1166 (booldi3_internal3): Use boolean_or_operator instead of
1169 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1172 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1173 declarator whose size is not an integer constant expression but
1174 folds to an integer constant, then treat it as a constant
1177 2009-04-01 Richard Guenther <rguenther@suse.de>
1179 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1180 i * 4 + 2 to (i * 2 + 1) * 2.
1182 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1185 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1186 return if c_parser_asm_string_literal returned NULL.
1188 2009-04-01 Nick Clifton <nickc@redhat.com>
1190 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1192 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1193 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1194 other typedefs to avoid conflicts with libgcc2.c. Define labels
1195 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1197 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1198 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1201 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1203 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1205 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1206 Andrey Galkin <agalkin@hypercom.com>
1209 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1210 Make object_name unique for each process.
1212 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1215 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1216 addressable variables in the parallel that could go out of scope while
1217 running queued tasks.
1219 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1221 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1222 (CASE_VALUES_THRESHOLD): Redefine.
1223 * config/avr/avr.c (avr_override_options): Remove initialization of
1224 avr_case_values_threshold variable.
1225 (avr_case_values_threshold): Remove variable. Add new function.
1226 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1227 * config/avr/avr.opt (mno-tablejump): Remove option.
1228 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1230 2009-04-01 DJ Delorie <dj@redhat.com>
1232 * varasm.c (default_function_rodata_section): Don't assume
1233 anything about where the first '.' in the section name is.
1235 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1237 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1238 rs6000_emit_stack_tie.
1240 2009-03-31 Ian Lance Taylor <iant@google.com>
1242 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1243 gimple_code with GIMPLE_RESX, not RESX.
1245 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1247 * c-common.c (c_get_ident): New.
1248 (c_common_nodes_and_builtins): Call it for type names that may be
1251 2009-04-01 Ben Elliston <bje@au.ibm.com>
1253 * config/rs6000/sysv4.opt (msdata): Improve option description.
1255 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1257 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1258 (divdf3_internal_lat): Remove.
1259 (divxf3_internal_lat): Remove.
1260 (divxf3_internal_thr): Remove.
1261 (divxf): Use divxf3_internal.
1262 * config/ia64/div.md (divsf3_internal_lat): New.
1263 (divdf3_internal_lat): New.
1264 (divxf3_internal): New.
1266 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1269 * Makefile.in (USE_GCC_STDINT): Define.
1270 (stmp-int-hdrs): Install stdint.h if applicable.
1271 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1273 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1274 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1275 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1276 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1277 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1278 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1279 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1280 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1281 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1282 (c_common_nodes_and_builtins): Initialize
1283 underlying_wchar_type_node. Do not initialize
1284 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1285 nodes for new types.
1286 (c_stddef_cpp_builtins): Define macros for new types.
1287 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1289 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1290 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1291 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1292 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1293 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1294 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1295 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1296 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1297 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1298 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1299 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1300 int16_type_node, int32_type_node, int64_type_node,
1301 uint8_type_node, uint16_type_node, c_uint32_type_node,
1302 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1303 int_least32_type_node, int_least64_type_node,
1304 uint_least8_type_node, uint_least16_type_node,
1305 uint_least32_type_node, uint_least64_type_node,
1306 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1307 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1308 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1309 uintptr_type_node): Define.
1310 * c-cppbuiltin.c (builtin_define_constants,
1311 builtin_define_type_minmax): New.
1312 (builtin_define_stdint_macros): Define more macros.
1313 (c_cpp_builtins): Define more limit macros.
1315 (builtin_define_type_max): Define in terms of
1316 builtin_define_type_minmax. Remove is_long parameter. All
1318 * config.gcc (use_gcc_stdint): Define.
1319 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1320 Add newlib-stdint.h for generic targets.
1321 * config/glibc-stdint.h, config/newlib-stdint.h,
1322 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1323 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1324 * config/score/score.h (UINTPTR_TYPE): Define.
1325 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1326 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1327 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1328 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1329 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1330 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1331 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1332 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1333 * config/spu/spu.h (STDINT_LONG32): Define.
1334 * configure.ac (use_gcc_stdint): Substitute.
1335 * configure: Regenerate.
1336 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1337 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1338 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1339 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1340 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1341 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1342 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1343 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1344 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1345 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1346 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1347 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1348 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1349 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1350 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1351 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1352 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1353 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1354 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1355 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1356 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1357 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1358 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1359 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1360 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1361 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1362 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1363 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1364 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1366 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1368 * loop-iv.c (suitable_set_for_replacement): Renamed from
1369 simplify_using_assignment; changed to return bool and to accept new
1370 args DEST and SRC. Return true iff we find a source/destination pair
1371 that can be used to make a replacement, and fill SRC and DEST if so.
1372 Remove arg ALTERED. Don't deal with altered regs here. All callers
1374 (simplify_using_initial_values): Deal with altered regs here and track
1375 more precisely the effect they have on the validity of our expression.
1377 * loop-iv.c (simplify_using_condition): A condition of the form
1378 (EQ REG CONST) can be used to simply make a substitution.
1379 (simplify_using_initial_values): Keep track of conditions we have seen
1380 and keep using them to simplify new expressions, while applying the
1381 same substitutions to them as to the expression.
1383 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1384 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1387 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1388 changed. Use this when trying to improve the upper bound.
1389 Generate the comparison by using simplify_gen_relational.
1391 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1393 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1395 (simplify_using_assignment, simplify_using_initial_values): Call
1396 replace_in_expr to make replacements. Call replace_single_def_regs
1397 once on the initial version of the expression.
1399 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1402 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1404 2009-03-31 Richard Guenther <rguenther@suse.de>
1407 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1408 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1410 2009-03-31 Richard Guenther <rguenther@suse.de>
1412 * tree.h (div_if_zero_remainder): Declare.
1413 * fold-const.c (div_if_zero_remainder): Export.
1414 * tree-ssa-forwprop.c
1415 (forward_propagate_addr_into_variable_array_index): Handle
1416 constant array index addition outside of the variable index.
1418 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1421 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1422 define_splits, floatunssi<mode>2): Require x87 conversions from
1423 DImode to be permitted.
1425 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1427 PR preprocessor/15638
1428 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1430 2009-03-31 Richard Guenther <rguenther@suse.de>
1434 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1435 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1436 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1437 a separate statement.
1438 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1439 (lookup_tmp_var): Likewise.
1440 (is_gimple_formal_tmp_or_call_rhs): Remove.
1441 (is_gimple_reg_or_call_rhs): Rename to ...
1442 (is_gimple_reg_rhs_or_call): ... this.
1443 (is_gimple_mem_or_call_rhs): Rename to ...
1444 (is_gimple_mem_rhs_or_call): ... this.
1445 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1446 DECL_GIMPLE_REG_P only if is_formal is true.
1447 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1448 for non-proper post-modify expression gimplification.
1449 (gimplify_self_mod_expr): For post-modify expressions gimplify
1450 the lvalue to a minimal lvalue.
1451 (rhs_predicate_for): Remove formal temp case.
1452 (gimplify_modify_expr_rhs): Likewise.
1453 (gimplify_addr_expr): Use is_gimple_reg.
1454 (gimplify_expr): Remove formal temp cases.
1455 (gimple_regimplify_operands): Likewise.
1456 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1457 and FILTER_EXPR like constants.
1458 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1460 (is_gimple_formal_tmp_rhs): Remove.
1461 (is_gimple_reg_rhs): Remove special casing.
1462 (is_gimple_mem_rhs): Fix.
1463 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1464 (is_gimple_formal_tmp_var): Remove.
1465 (is_gimple_formal_tmp_reg): Likewise.
1466 (is_gimple_min_lval): Allow invariant component ref parts.
1467 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1468 is_gimple_formal_tmp_reg): Remove declarations.
1469 * tree-cfg.c (verify_expr): Verify that variables with address
1470 taken do not have DECL_GIMPLE_REG_P set.
1471 * tree-mudflap.c (mf_build_check_statement_for): Use
1472 force_gimple_operand instead of gimplify_expr.
1474 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1476 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1477 schedulable rows to compute_split_row.
1479 2009-03-31 Ben Elliston <bje@au.ibm.com>
1482 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1485 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1487 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1488 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1489 * configure: Regenerate.
1490 * config.in: Regenerate.
1491 * config/rs6000/rs6000.opt (mtls-markers): Add.
1492 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1493 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1494 (tls_ld_aix, tls_ld_sysv): Likewise.
1495 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1496 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1498 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1500 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1502 2009-03-30 Jan Hubicka <jh@suse.cz>
1504 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1506 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1507 detection and label handling.
1509 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1511 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1512 left_conflicts_size.
1513 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1514 ALLOCNO_LEFT_CONFLICTS_SIZE.
1516 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1517 remove_allocno_from_bucket_and_push,
1518 allocno_spill_priority_compare, push_allocnos_to_stack,
1519 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1520 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1521 (setup_allocno_left_conflicts_num): Ditto. Rename to
1522 setup_allocno_left_conflicts_size.
1523 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1524 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1525 setup_allocno_left_conflicts_size instead of
1526 setup_allocno_left_conflicts_num.
1528 * ira-build.c (ira_create_allocno): Use
1529 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1530 ALLOCNO_LEFT_CONFLICTS_NUM.
1532 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1534 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1535 instead of DF_LR_OUT.
1537 * ira-lives.c (process_bb_node_lives): Ditto.
1539 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1540 instead of DF_LR_{OUT,IN}.
1542 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1544 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1546 2009-03-30 Jan Hubicka <jh@suse.cz>
1548 * except.c (label_to_region_map): Fix thinko.
1550 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1553 * tree.h (tree_find_value): New declaration.
1554 * tree.c (tree_find_value): New function.
1555 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1557 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1560 * c-decl.c (struct c_binding): Add locus field.
1561 (bind): Add locus argument, set locus field from it.
1562 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1563 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1564 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1565 implicitly_declare, undeclared_variable, lookup_label,
1566 declare_label, c_make_fname_decl, c_builtin_function,
1567 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1570 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1573 * config/i386/i386.c (classify_argument): Check total size of
1576 2009-03-30 Martin Jambor <mjambor@suse.cz>
1578 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1579 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1580 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1583 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1584 seen_variable_array_ref while also traversing a union.
1586 * tree-inline.c (optimize_inline_calls): Do not call
1587 cgraph_node_remove_callees.
1588 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1589 (pass_remove_cgraph_callee_edges): New variable.
1590 * passes.c (init_optimization_passes): Add
1591 pass_remove_cgraph_callee_edges after early inlining and before all
1592 late intraprocedural passes.
1594 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1596 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1598 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1601 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1603 * combine.c (simplify_comparison): Use have_insn_for.
1604 * dojump.c (do_jump): Likewise.
1606 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1608 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1609 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1610 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1611 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1612 instead of sparc_compare_emitted.
1613 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1614 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1615 instead of sparc_compare_emitted.
1617 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1619 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1620 enter/exit cfglayout mode.
1621 (pass_partition_block): Require it.
1622 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1623 (combine_instructions): Track basic blocks instead of labels.
1624 (update_cfg_for_uncondjump): New.
1625 (try_combine): Use it. Update jumps after rescanning.
1626 (pass_combine): Require PROP_cfglayout.
1627 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1629 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1631 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1632 Provide/destroy PROP_cfglayout respectively.
1633 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1634 * tree-pass.h (PROP_cfglayout): New.
1636 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1638 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1639 fold_convert_const_fixed_from_fixed,
1640 fold_convert_const_fixed_from_int,
1641 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1642 set TREE_CONSTANT_OVERFLOW.
1643 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1644 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1646 2009-03-30 Ira Rosen <irar@il.ibm.com>
1648 * tree-vect-loop-manip.c: New file.
1649 * tree-vectorizer.c: Update documentation and included files.
1650 (vect_loop_location): Make extern.
1651 (rename_use_op): Move to tree-vect-loop-manip.c
1652 (rename_variables_in_bb, rename_variables_in_loop,
1653 slpeel_update_phis_for_duplicate_loop,
1654 slpeel_update_phi_nodes_for_guard1,
1655 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1656 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1657 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1658 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1659 find_loop_location): Likewise.
1660 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1661 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1662 get_vectype_for_scalar_type, vect_is_simple_use,
1663 supportable_widening_operation, supportable_narrowing_operation):
1665 (bb_in_loop_p): Move to tree-vect-loop.c.
1666 (new_loop_vec_info, destroy_loop_vec_info,
1667 reduction_code_for_scalar_code, report_vect_op,
1668 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1669 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1670 (vect_supportable_dr_alignment): Likewise.
1671 * tree-vectorizer.h (tree-data-ref.h): Include.
1672 (vect_loop_location): Declare.
1673 Reorganize function declarations according to the new file structure.
1674 * tree-vect-loop.c: New file.
1675 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1676 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1677 * tree-vect-data-refs.c: New file.
1678 * tree-vect-patterns.c (timevar.h): Don't include.
1679 * tree-vect-stmts.c: New file.
1680 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1681 tree-vect-slp.c, tree-vect-loop.c.
1682 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1683 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1684 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1685 (tree-vect-analyze.o): Remove.
1686 (tree-vect-transform.o): Likewise.
1687 (tree-vect-data-refs.o): Add rule.
1688 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1689 tree-vect-slp.o): Likewise.
1690 (tree-vect-patterns.o): Remove redundant dependencies.
1691 (tree-vectorizer.o): Likewise.
1692 * tree-vect-slp.c: New file.
1694 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1696 * optc-gen.awk: Warn if an option flag has multiple different
1699 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1701 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1702 -floop-block): Document dependences on PPL, CLooG and Graphite.
1704 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1706 PR rtl-optimization/323
1707 * c-common.c (c_fully_fold, convert_and_check,
1708 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1709 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1710 * c-common.def (EXCESS_PRECISION_EXPR): New.
1711 * c-cppbuiltin.c (builtin_define_float_constants): Define
1712 constants with enough digits for long double.
1713 * c-lex.c (interpret_float): Interpret constant with excess
1714 precision where appropriate.
1715 * c-opts.c (c_common_post_options): Set
1716 flag_excess_precision_cmdline. Give an error for
1717 -fexcess-precision=standard for C++ for processors where the
1718 option is significant.
1719 * c-parser.c (c_parser_conditional_expression): Handle excess
1720 precision in condition.
1721 * c-typeck.c (convert_arguments): Handle arguments with excess
1723 (build_unary_op): Move excess precision outside operation.
1724 (build_conditional_expr): Likewise.
1725 (build_compound_expr): Likewise.
1726 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1727 (build_modify_expr): Handle excess precision in RHS.
1728 (convert_for_assignment): Handle excess precision in converted
1730 (digest_init, output_init_element, process_init_element): Handle
1731 excess precision in initializer.
1732 (c_finish_return): Handle excess precision in return value.
1733 (build_binary_op): Handle excess precision in operands and add
1734 excess precision as needed for operation.
1735 * common.opt (-fexcess-precision=): New option.
1736 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1737 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1738 For standard excess precision, output explicit conversion to and
1739 truncation from XFmode.
1740 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1741 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1742 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1743 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1744 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1745 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1746 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1747 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1748 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1749 define_splits, sqrt<mode>2): Disable where appropriate for
1750 standard excess precision.
1751 * convert.c (convert_to_real): Do not shorten arithmetic to type
1752 for which excess precision would be used.
1753 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1754 * doc/invoke.texi (-fexcess-precision=): Document option.
1755 (-mfpmath=): Correct index entry.
1756 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1757 flag_excess_precision): New.
1758 * langhooks.c (lhd_post_options): Set
1759 flag_excess_precision_cmdline.
1760 * opts.c (common_handle_option): Handle -fexcess-precision=.
1761 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1762 init_excess_precision): New.
1763 (lang_dependent_init_target): Call init_excess_precision.
1764 * tree.c (excess_precision_type): New.
1765 * tree.h (excess_precision_type): Declare.
1767 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1770 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1771 non-lvalue to component.
1773 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1775 PR preprocessor/34695
1776 * Makefile.in (c-opts.o): Depend on c-tree.h.
1777 * c-common.c: Move down include of diagnostic.h.
1778 (done_lexing, c_cpp_error): New.
1779 * c-common.h (done_lexing): Declare.
1780 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1782 * c-opts.c: Include c-tree.h.
1783 (c_common_init_options): Set preprocessor error callback.
1784 (c_common_handle_option): Do not set preprocessor
1785 inhibit_warnings, warnings_are_errors, warn_system_headers,
1786 pedantic_errors or inhibit_warnings flags.
1787 (c_common_post_options): Do not check cpp_errors (parse_in).
1788 (c_common_finish): Do not output dependencies if there were
1789 errors. Do not check return value of cpp_finish.
1790 * c-ppoutput.c (pp_file_change): Set input_location.
1791 * c-tree.h (c_cpp_error): Declare.
1792 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1794 (diagnostic_build_prefix): Check override_column.
1795 * diagnostic.h (diagnostic_info): Add override_column field.
1796 (diagnostic_override_column): Define.
1798 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1800 * c-common.c (c_expand_expr, c_staticp): Remove.
1801 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1802 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1803 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1804 * c-gimplify.c (gimplify_compound_literal_expr,
1805 optimize_compound_literals_in_ctor): Remove.
1806 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1807 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1808 * c-semantics.c (emit_local_var): Remove.
1810 * langhooks-def.h (lhd_expand_expr): Remove.
1811 * langhooks.c (lhd_expand_expr): Remove.
1812 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1814 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1815 handling from c-semantics.c; don't call into langhook.
1816 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1817 * gimplify.c (gimplify_compound_literal_expr,
1818 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1819 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1820 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1821 as was done in c-gimplify.c.
1822 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1823 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1824 Move from c-common.h.
1825 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1827 * tree.c (staticp): Do not call langhook.
1828 * langhooks.c (lhd_staticp): Delete.
1829 * langhooks-def.h (lhd_staticp): Delete prototype.
1830 (LANG_HOOKS_STATICP): Delete.
1831 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1833 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1834 instead of DECL_STMTs.
1836 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1844 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1846 (fold_call_expr): Return a NOP_EXPR from folding rather than the
1847 contained expression.
1848 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1849 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
1850 conditional expressions for C.
1851 (decl_constant_value_for_optimization): Move from
1852 decl_constant_value_for_broken_optimization in c-typeck.c. Check
1853 whether optimizing and that the expression is a VAR_DECL not of
1854 array type instead of doing such checks in the caller. Do not
1855 check pedantic. Call gcc_unreachable for C++.
1856 * c-common.def (C_MAYBE_CONST_EXPR): New.
1857 * c-common.h (c_fully_fold, c_save_expr,
1858 decl_constant_value_for_optimization): New prototypes.
1859 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1860 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1861 EXPR_INT_CONST_OPERANDS): Define.
1862 * c-convert.c (convert): Strip nops from expression.
1863 * c-decl.c (groktypename): Take extra parameters expr and
1864 expr_const_operands. Update call to grokdeclarator.
1865 (start_decl): Update call to grokdeclarator. Add statement for
1866 expressions used in type of decl.
1867 (grokparm): Update call to grokdeclarator.
1868 (push_parm_decl): Update call to grokdeclarator.
1869 (build_compound_literal): Add parameter non_const and build a
1870 C_MAYBE_COSNT_EXPR if applicable.
1871 (grokdeclarator): Take extra parameters expr and
1872 expr_const_operands. Track expressions used in declaration
1873 specifiers and declarators. Fold array sizes and track whether
1874 they are constant expressions and whether they are integer
1875 constant expressions.
1876 (parser_xref_tag): Set expr and expr_const_operands fields in
1878 (grokfield): Update call to grokdeclarator.
1879 (start_function): Update call to grokdeclarator.
1880 (build_null_declspecs): Set expr and expr_const_operands fields in
1882 (declspecs_add_type): Handle expressions in typeof specifiers.
1883 * c-parser.c (c_parser_declspecs): Set expr and
1884 expr_const_operands fields for declaration specifiers.
1885 (c_parser_enum_specifier): Likewise.
1886 (c_parser_struct_or_union_specifier): Likewise.
1887 (c_parser_typeof_specifier): Likewise. Update call to
1888 groktypename. Fold expression as needed. Return expressions with
1889 type instead of adding statements.
1890 (c_parser_attributes): Update calls to c_parser_expr_list.
1891 (c_parser_statement_after_labels): Fold expression before passing
1892 to objc_build_throw_stmt.
1893 (c_parser_condition): Fold expression.
1894 (c_parser_asm_operands): Fold expression.
1895 (c_parser_conditional_expression): Use c_save_expr. Update call
1896 to build_conditional_expr.
1897 (c_parser_alignof_expression): Update call to groktypename.
1898 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
1899 original_code. Fold expression argument of va_arg. Create
1900 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
1901 argument to va_arg. Update calls to groktypename. Fold array
1902 index for offsetof. Verify that first argument to
1903 __builtin_choose_expr has integer type.
1904 (c_parser_postfix_expression_after_paren_type): Update calls to
1905 groktypename and build_compound_literal. Handle expressions with
1906 side effects in type name.
1907 (c_parser_postfix_expression_after_primary): Update call to
1908 c_parser_expr_list. Set original_code for calls to
1909 __builtin_constant_p.
1910 (c_parser_expr_list): Take extra parameter fold_p. Fold
1911 expressions if requested.
1912 (c_parser_objc_type_name): Update call to groktypename.
1913 (c_parser_objc_synchronized_statement): Fold expression.
1914 (c_parser_objc_receiver): Fold expression.
1915 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
1916 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
1917 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
1918 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
1919 (struct c_typespec): Add elements expr and expr_const_operands.
1920 (struct c_declspecs): Add elements expr and expr_const_operands.
1921 (groktypename, build_conditional_expr, build_compound_literal):
1923 (in_late_binary_op): Declare.
1924 * c-typeck.c (note_integer_operands): New function.
1925 (in_late_binary_op): New variable.
1926 (decl_constant_value_for_broken_optimization): Move to c-common.c
1927 and rename to decl_constant_value_for_optimization.
1928 (default_function_array_conversion): Do not strip nops.
1929 (default_conversion): Do not call
1930 decl_constant_value_for_broken_optimization.
1931 (build_array_ref): Do not fold result.
1932 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
1933 result when operand is a VLA.
1934 (c_expr_sizeof_type): Update call to groktypename. Handle
1935 expressions included in type name. Use C_MAYBE_CONST_EXPR for
1936 result when operand names a VLA type.
1937 (build_function_call): Update call to build_compound_literal.
1938 Only fold result for calls to __builtin_* functions. Strip
1939 NOP_EXPR from INTEGER_CST returned from such functions. Fold
1940 the function designator.
1941 (convert_arguments): Fold arguments. Update call to
1942 convert_for_assignment.
1943 (build_unary_op): Handle increment and decrement of
1944 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
1945 decrement earlier. Fold operand of increment and decrement.
1946 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
1947 built for integer operand. Wrap returns that are INTEGER_CSTs
1948 without being integer constant expressions or that have integer
1949 constant operands without being INTEGER_CSTs.
1950 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1951 (build_conditional_expr): Add operand ifexp_bcp. Track whether
1952 result is an integer constant expression or can be used in
1953 unevaluated parts of one and avoid folding and wrap as
1954 appropriate. Fold operands before possibly doing -Wsign-compare
1956 (build_compound_expr): Wrap result for C99 if operands can be used
1957 in integer constant expressions.
1958 (build_c_cast): Update call to digest_init. Do not ignore
1959 overflow from casting floating-point constants to integers. Wrap
1960 results that could be confused with integer constant expressions,
1961 null pointer constants or floating-point constants.
1962 (c_cast_expr): Update call to groktypename. Handle expressions
1963 included in type name.
1964 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
1965 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
1966 Update calls to convert_for_assignment.
1967 (convert_for_assignment): Take new parameter
1968 null_pointer_constant. Do not strip nops or call
1969 decl_constant_value_for_broken_optimization. Set
1970 in_late_binary_op for conversions to boolean.
1971 (store_init_value): Update call to digest_init.
1972 (digest_init): Take new parameter null_pointer_constant. Do not
1973 call decl_constant_value_for_broken_optimization. pedwarn for
1974 initializers not constant expressions. Update calls to
1975 convert_for_assignment.
1976 (constructor_nonconst): New.
1977 (struct constructor_stack): Add nonconst element.
1978 (really_start_incremental_init, push_init_level, pop_init_level):
1979 Handle constructor_nonconst and nonconst element.
1980 (set_init_index): Call constant_expression_warning for array
1982 (output_init_element): Fold value. Set constructor_nonconst as
1983 applicable. pedwarn for initializers not constant expressions.
1984 Update call to digest_init. Call constant_expression_warning
1985 where constant initializers are required.
1986 (process_init_element): Use c_save_expr.
1987 (c_finish_goto_ptr): Fold expression.
1988 (c_finish_return): Fold return value. Update call to
1989 convert_for_assignment.
1990 (c_start_case): Fold switch expression.
1991 (c_process_expr_stmt): Fold expression.
1992 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1993 ensure statement expression is not evaluated in constant expression.
1994 (build_binary_op): Track whether results are integer constant
1995 expressions or may occur in such, disable folding and wrap results
1996 as applicable. Fold operands for -Wsign-compare warnings unless
1998 (c_objc_common_truthvalue_conversion): Handle results folded to
1999 integer constants that are not integer constant expressions.
2000 * doc/extend.texi: Document when typeof operands are evaluated,
2001 that condition of __builtin_choose_expr is an integer constant
2002 expression, and more about use of __builtin_constant_p in
2005 2009-03-29 Richard Guenther <rguenther@suse.de>
2007 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2008 propagate addresses of array references.
2010 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2012 * regmove.c (perhaps_ends_bb_p): Remove.
2013 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2014 from INSN and check that the main loop stays within that basic block.
2015 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2016 (regmove_forward_pass): Split out from regmove_optimize. Use
2017 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2018 (regmove_backward_pass): Split out from regmove_optimize. Use
2019 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2020 (regmove_optimize): Simplify.
2022 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2025 * config/i386/i386.c (classify_argument): Ignore flexible array
2026 member in struct and warn ABI change.
2028 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2030 * config/i386/i386-protos.h (ix86_agi_dependent): New.
2032 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2033 (ix86_adjust_cost): Updated.
2035 2009-03-29 Jan Hubicka <jh@suse.cz>
2038 * tree-pass.h (pass_cleanup_eh): New function.
2039 (remove_unreachable_regions): Break code handling RTL
2040 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2041 that can not be reached by runtime.
2042 (can_be_reached_by_runtime): New function.
2043 (label_to_region_map): New function.
2044 (num_eh_regions): New function.
2045 (rtl_remove_unreachable_regions): New function.
2046 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2047 (remove_eh_region): New function.
2048 * except.h: Include sbitmap and vecprim.
2049 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2050 num_eh_regions): Declare.
2051 * passes.c (init_optimization_passes): Schedule cleanup_eh.
2052 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2053 * tree-eh.c (tree_remove_unreachable_handlers): New function.
2054 (tree_empty_eh_handler_p): New function.
2055 (cleanup_empty_eh): New function.
2056 (cleanup_eh): New function.
2057 (pass_cleanup_eh): New function.
2059 2009-03-29 Jan Hubicka <jh@suse.cz>
2061 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2062 for removed regions.
2064 2009-03-29 Jan Hubicka <jh@suse.cz>
2066 * except.c (dump_eh_tree): Dump all datastructures.
2068 2009-03-29 Jan Hubicka <jh@suse.cz>
2070 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2071 (duplicate_eh_regions_1): Likewise.
2072 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2073 vector; call EH verification.
2074 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2075 Be ready for region being removed.
2077 2009-03-29 Jan Hubicka <jh@suse.cz>
2079 * bitmap.c (bitmap_last_set_bit): New function.
2080 * bitmap.h (bitmap_last_set_bit): Declare.
2082 2009-03-29 David Ayers <ayers@fsfe.org>
2085 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2086 by calling objc_compare_types and surpress warnings about
2087 incompatible C pointers that are compatible ObjC pointers.
2089 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
2091 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2092 call initialize_inline_failed.
2093 (initialize_inline_failed): Move it from here ...
2094 * cgraph.c (initialize_inline_failed): ... to here.
2095 (cgraph_create_edge): Call initialize_inline_failed rather than
2096 setting inline_failed directly.
2098 2009-03-29 Ben Elliston <bje@au.ibm.com>
2101 * sysv4.opt (msdata): Improve comment.
2102 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
2103 * sysv4.h (SVR4_ASM_SPEC): Likewise.
2105 2009-03-29 Ben Elliston <bje@au.ibm.com>
2108 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
2109 load and store attributes.
2111 2009-03-29 Ben Elliston <bje@au.ibm.com>
2113 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
2114 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
2115 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
2116 * doc/extend.texi (X86 Built-in Functions): Add index entries for
2117 __builtin_infq and __builtin_huge_valq.
2119 2009-03-28 Anatoly Sokolov <aesok@post.ru>
2121 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2123 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2124 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2126 2009-03-28 Xinliang David Li <davidxl@google.com>
2128 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
2129 (do_dbg_cnt): New function.
2131 2009-03-28 Jan Hubicka <jh@suse.cz>
2133 Merge from pretty-ipa:
2135 2009-03-27 Jan Hubicka <jh@suse.cz>
2137 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2138 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2139 * passes.c (function_called_by_processed_nodes_p): New.
2140 * ipa-pure-const.c (check_call): Fix handling of operands.
2141 (analyze_function): Dump debug output for skipped bodies.
2142 (local_pure_const): Use function_called_by_processed_nodes_p.
2143 * dwarf2out.c (reference_to_unused): Use output.
2144 * passes.c (do_per_function_toporder): Likewise.
2146 2008-11-12 Jan Hubicka <jh@suse.cz>
2148 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2149 * ipa-pure-const.c (funct_state_d): Add can throw field; make
2150 state_set_in_source enum
2151 (check_decl): Ignore memory tags; do not set fake looping flags;
2153 (check_operand, check_tree, check_rhs_var, check_lhs_var,
2154 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2155 (check_call, analyze_function): Rewrite.
2157 (add_new_function): Update call of analyze_function.
2158 (generate_summary): Add call of analyze_function.
2159 (propagate): Propagate can_throw; handle state_set_in_source correctly.
2160 (local_pure_const): New function.
2161 (pass_local_pure_const): New pass.
2162 * ipa-inline.c (inline_transform): Set after_inlining.
2163 * tree-eh.c (stmt_can_throw_external): New.
2164 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2165 work with aliasing built.
2166 * tree-flow.h (stmt_can_throw_external): New.
2167 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2168 and local pure/const pass in early and late optimization queue.
2170 2009-03-28 Martin Jambor <mjambor@suse.cz>
2172 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2174 (fold_binary): Allow function decl aligment consideration is the
2175 second argument is integer constant one.
2176 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2177 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2178 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2180 2009-03-28 Jan Hubicka <jh@suse.cz>
2182 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2183 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2184 * function.h (rtl_data): Add nothrow flag.
2185 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2186 set DECL_NOTHROW for AVAILABLE functions.
2188 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2190 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2191 following vector keyword has expansion starting with pixel or bool
2192 keyword, expand vector to __vector and pixel or bool to __pixel or
2196 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2197 warn_if_disallowed_function_p): Removed.
2198 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2199 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2200 warning_if_disallowed_function_p.
2201 * flags.h (warn_if_disallowed_function_p,
2202 warn_disallowed_functions): Removed.
2203 * common.opt (Wdisallowed-function-list=): Removed.
2204 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2206 2009-03-28 Richard Guenther <rguenther@suse.de>
2208 PR tree-optimization/38723
2209 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2212 2009-03-28 Jan Hubicka <jh@suse.cz>
2214 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2215 test introduced by my previous patch.
2217 2009-03-28 Richard Guenther <rguenther@suse.de>
2219 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2220 the PHIs value undefined.
2222 2009-03-28 Jan Hubicka <jh@suse.cz>
2224 * tree-pass.h (pass_fixup_cfg): New pass.
2225 * ipa-inline.c (inline_transform): Set
2226 always_inline_functions_inlined/after_inlining.
2227 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2228 (pass_fixup_cfg): New pass.
2229 * passes.c (init_optimization_passes): Add fixup_cfg.
2231 2009-03-28 Richard Guenther <rguenther@suse.de>
2233 PR tree-optimization/38458
2234 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2235 argument use the arguments copy-of value.
2237 2009-03-28 Richard Guenther <rguenther@suse.de>
2239 PR tree-optimization/38180
2240 * tree-ssa-ccp.c (get_default_value): Simplify.
2241 (likely_value): Likewise.
2242 (surely_varying_stmt_p): Properly handle VOP case.
2243 (ccp_initialize): Likewise.
2244 (ccp_fold): Handle propagating through *&.
2245 (fold_const_aggregate_ref): Also handle decls.
2247 2009-03-28 Jan Hubicka <jh@suse.cz>
2249 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2250 * cgraph.h (cgraph_node): Likewise.
2251 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2252 (cgraph_reset_node): Use process flag.
2253 (cgraph_mark_functions_to_output): Likewise.
2254 (cgraph_expand_function): Likewise.
2255 (cgraph_expand_all_functions): Likewise.
2256 (cgraph_output_in_order): Likewise.
2257 * dwarf2out.c (reference_to_unused): Likewise.
2258 * passes.c do_per_function_toporder): Likewise.
2260 2009-03-28 Jan Hubicka <jh@suse.cz>
2262 Bring from lto-branch:
2264 2008-09-03 Doug Kwan <dougkwan@google.com>
2266 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2267 enums instead of reason strings.
2268 * cgraph.c (cgraph_create_edge): Same.
2269 (cgraph_inline_failed_string): New function.
2270 * cgraph.h (cgraph_inline_failed_t): New enum type.
2271 (cgraph_inline_failed_string): New prototype.
2272 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2273 char pointer to cgraph_inline_failed_t.
2274 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2275 (cgraph_default_inline_p): Ditto.
2276 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2277 to cgraph_inline_failed_t pointer.
2278 * cif-code.def: New file.
2279 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2281 (cgraph_check_inline_limits): Change type of REASON to pointer to
2282 cgraph_inline_failed_t. Replace reason strings with enums.
2283 (cgraph_default_inline_p): Ditto.
2284 (cgraph_recursive_inlining_p): Ditto.
2285 (update_caller_keys): Change type of FAILED_REASON to
2286 cgraph_inline_failed_t.
2287 (cgraph_set_inline_failed): Change type of REASON to pointer to
2288 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2289 convert enums to strings for text output.
2290 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2291 to be of type cgraph_inline_failed_t. Replace reason strings with
2292 enums. Call cgraph_inline_failed_string to covert enums
2293 to strings for text output.
2294 (cgraph_decide_inlining): Replace reason strings with enums.
2295 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2296 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2298 * tree-inline.c (expand_call_inline): Change type of REASON
2299 to cgraph_inline_failed_t. Replace reason strings with enums.
2300 Call cgraph_inline_failed_string for text output.
2301 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2304 2009-03-28 Jan Hubicka <jh@suse.cz>
2306 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2307 cgraph_clone_node): Remove master clone handling.
2308 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2309 * cgraph.h (master_clone): Remove.
2310 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2311 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2312 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2314 2009-03-28 Jan Hubicka <jh@suse.cz>
2316 * cgraph.c (cgraph_function_body_availability): Functions declared
2317 inline are always safe to assume that it is not going to be replaced.
2319 2009-03-28 Richard Guenther <rguenther@suse.de>
2321 PR tree-optimization/38513
2322 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2323 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2324 EXC_PTR_EXPR and FILTER_EXPR.
2325 (get_ref_from_reference_ops): Likewise.
2327 2009-03-28 Richard Guenther <rguenther@suse.de>
2329 PR tree-optimization/38968
2330 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2331 Use FLOOR_MOD_EXPR to compute misalignment.
2333 2009-03-28 Richard Guenther <rguenther@suse.de>
2335 PR tree-optimization/37795
2336 * tree.h (combine_comparisons): Declare.
2337 * fold-const.c (combine_comparisons): Export.
2338 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2340 (ifcombine_iforif): Use combine_comparisons.
2342 2009-03-28 Jan Hubicka <jh@suse.cz>
2344 * tree-eh.c (inlinable_call_p): New function.
2345 (make_eh_edges): Use it.
2346 (verify_eh_edges): Use it.
2347 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2348 * except.c (reachable_next_level): Add inlinable_function argument
2349 (sjlj_find_directly_reachable_regions): Update.
2350 (add_reachable_handler): Do not set saw_any_handlers.
2351 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2352 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2353 Add new inlinable call parameter.
2354 (can_throw_internal, can_throw_external): Update.
2355 * except.h (can_throw_internal_1, can_throw_external_1,
2356 foreach_reachable_handler): Update declaration.
2358 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2360 * config/arm/t-arm-coff, config/h8300/coff.h,
2361 config/i386/i386-aout.h, config/i386/i386-coff.h,
2362 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2363 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2364 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2365 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2366 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2367 sys-types.h: Remove.
2368 * Makefile.in: Remove protoize and fixproto support and references
2370 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2371 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2373 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2374 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2375 unprotoize$(exeext).
2376 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2377 (.PHONY): Don't depend on proto.
2378 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2379 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2380 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2381 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2382 build/gen-protos.o, build/scan.o, xsys-protos.h,
2383 build/fix-header$(build_exeext), build/fix-header.o,
2384 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2385 stmp-install-fixproto): Remove.
2386 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2387 SYSCALLS.c or fixproto files.
2388 (install-common): Don't install protoize.
2389 (install-headers-tar, install-headers-cpio, install-headers-cp):
2390 Don't depend on $(STMP_FIXPROTO).
2391 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2392 install fixproto files or write out fixproto settings.
2393 (uninstall): Don't uninstall protoize.
2394 * config.gcc (use_fixproto): Remove.
2395 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2396 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2397 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2398 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2399 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2400 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2401 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2402 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2403 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2404 * config/t-vxworks (STMP_FIXPROTO): Remove.
2405 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2406 STMP_FIXPROTO): Remove.
2407 * config.in, configure: Regenerate.
2408 * crtstuff.c (gid_t, uid_t): Don't undefine.
2409 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2410 (arm-*-coff, arm-*-aout: Remove target entries.
2411 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2412 Remove mention of AIX 4.1.
2413 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2414 * doc/invoke.texi (Running Protoize): Remove.
2415 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2416 (Protoize Caveats): Remove.
2417 * tsystem.h: Update comments on headers assumed to exist.
2419 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2421 * genautomata.c: Add a new year to the copyright. Add a new
2423 (struct insn_reserv_decl): Add comments for member bypass_list.
2424 (find_bypass): Remove.
2425 (insert_bypass): New.
2426 (process_decls): Use insert_bypass.
2427 (output_internal_insn_latency_func): Output all bypasses with the
2428 same input insn in one switch case.
2430 * rtl.def (define_bypass): Describe bypass choice.
2431 * doc/md.texi (define_bypass): Ditto.
2433 2009-03-27 Richard Guenther <rguenther@suse.de>
2435 * gimplify.c (mark_addressable): Export.
2436 * tree-flow.h (mark_addressable): Declare.
2437 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2438 * tree-ssa.c (verify_phi_args): Verify that address taken
2439 variables have TREE_ADDRESSABLE set.
2441 2009-03-27 Richard Guenther <rguenther@suse.de>
2443 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2444 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2445 Do not mark decls TREE_ADDRESSABLE.
2446 (build_fold_addr_expr): Adjust.
2447 (fold_addr_expr): Remove.
2448 (fold_unary): Use build_fold_addr_expr.
2449 (fold_comparison): Likewise.
2450 (split_address_to_core_and_offset): Likewise.
2451 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2453 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2454 (gimplify_modify_expr_to_memcpy): Mark source and destination
2456 * omp-low.c (create_omp_child_function): Mark the object decl
2458 (lower_rec_input_clauses): Mark the var we take the address of
2460 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2462 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2465 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2466 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2468 2009-03-27 Richard Guenther <rguenther@suse.de>
2470 PR tree-optimization/39120
2471 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2473 (handle_lhs_call): Process return constraints. Add escape
2474 constraints if necessary.
2475 (handle_const_call): Fill out return constraints. Make nested
2476 case more precise. Avoid consttmp if possible.
2477 (handle_pure_call): Fill out return constraints. Avoid
2478 callused if possible.
2479 (find_func_aliases): Simplify call handling.
2481 2009-03-27 Richard Guenther <rguenther@suse.de>
2483 PR tree-optimization/39120
2484 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2485 as a representative.
2486 (solve_graph): Do propagate CALLUSED.
2487 (handle_pure_call): Use a scalar constraint from CALLUSED for
2489 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2492 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2495 * c-common.c (handle_aligned_attribute): Properly check alignment
2496 overflow. Use (1U << i) instead of (1 << i).
2498 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2500 * expr.h (get_mem_align_offset): Updated.
2502 * tree.h (tree_decl_common): Change align to "unsigned int" and
2503 move it before pointer_alias_set.
2505 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2506 Jakub Jelinek <jakub@redhat.com>
2509 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2510 gr_register_operand with gr_reg_or_0_operand.
2511 (cmpxchg_rel_di): Likewise.
2512 (sync_lock_test_and_set<mode>): Likewise.
2514 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2516 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2517 (true_regnum): Likewise.
2519 * rtlanal.c (subreg_info): Moved to ...
2520 * rtl.h (subreg_info): Here. New.
2521 (subreg_get_info): New.
2523 * rtlanal.c (subreg_get_info): Make it extern.
2525 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2528 * config/i386/i386.c (ix86_abi): New.
2529 (override_options): Handle -mabi=.
2530 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2531 (ix86_call_abi_override): Likewise.
2532 (init_cumulative_args): Likewise.
2533 (function_arg_advance): Likewise.
2534 (function_arg_64): Likewise.
2535 (function_arg): Likewise.
2536 (ix86_pass_by_reference): Likewise.
2537 (ix86_function_value_regno_p): Likewise.
2538 (ix86_build_builtin_va_list_abi): Likewise.
2539 (setup_incoming_varargs_64): Likewise.
2540 (is_va_list_char_pointer): Likewise.
2541 (ix86_init_machine_status): Likewise.
2542 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2543 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2544 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2545 (ix86_function_abi): Make it static and return enum calling_abi.
2546 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2548 (ix86_fn_abi_va_list): Updated.
2550 * config/i386/i386.h (ix86_abi): New.
2551 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2552 (CONDITIONAL_REGISTER_USAGE): Likewise.
2553 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2554 (machine_function): Likewise.
2556 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2558 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2559 (STACK_BOUNDARY): Likewise.
2560 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2562 * config/i386/i386.opt (mabi=): New.
2564 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2565 return enum calling_abi.
2566 (ix86_function_type_abi): Likewise.
2567 (ix86_function_abi): Removed.
2569 * doc/invoke.texi: Document -mabi= option for x86.
2571 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2573 * builtins.c (real_dconstp): Delete.
2574 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2576 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2577 Jakub Jelinek <jakub@redhat.com>
2580 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2581 (gen_subprogram_die): When a function is explicit, generate the
2582 DW_AT_explicit attribute.
2583 * langhooks.h (struct lang_hooks_for_decls): Add
2584 function_decl_explicit_p langhook.
2585 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2586 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2588 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2590 * builtins.c (fold_builtin_memory_op): Optimize memmove
2591 into memcpy if we can prove source and destination don't overlap.
2593 * tree-inline.c: Include gt-tree-inline.h.
2594 (clone_fn_id_num): New variable.
2595 (clone_function_name): New function.
2596 (tree_function_versioning): Use it.
2597 * Makefile.in (GTFILES): Add tree-inline.c.
2599 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2601 * BASE-VER: Change to 4.5.0.
2603 2009-03-27 Xinliang David Li <davidxl@google.com>
2605 PR tree-optimization/39557
2606 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2608 2009-03-27 Xinliang David Li <davidxl@google.com>
2610 PR tree-optimization/39548
2611 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2614 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2616 * c-common.c (pointer_int_sum): Use %wd on return from
2619 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2621 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2622 on return from tree_low_cst.
2624 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2627 * ginclude/stdarg.h (va_copy): Define also for
2628 __GXX_EXPERIMENTAL_CXX0X__.
2630 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2633 * builtins.h (c_strlen): Do not warn here.
2634 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2635 * c-common.c (pointer_int_sum): Take an explicit location.
2636 Warn about offsets out of bounds.
2637 * c-common.h (pointer_int_sum): Adjust declaration.
2639 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2641 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2644 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2647 * opts.c (warn_if_disallowed_function_p): Don't assume
2648 get_callee_fndecl must return non-NULL.
2650 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2652 PR rtl-optimization/39522
2653 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2654 when reg_reloaded_valid is set.
2656 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2658 * config/spu/divv2df3.c: New file.
2659 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2660 (DPBIT_FUNCS): Filter out _div_df.
2662 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2664 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2665 a jump insn, count that jump in the distance to the loop start.
2667 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2670 * config/sh/sh.c (calc_live_regs): Fix condition for global
2671 registers except PIC_OFFSET_TABLE_REGNUM.
2673 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2676 * doc/invoke.texi (-mconsole): New.
2680 (-mnop-fun-dllimport): New.
2684 (sub section "i386 and x86-64 Windows Options"): New.
2686 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2688 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2689 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2691 2009-03-25 Richard Guenther <rguenther@suse.de>
2694 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2697 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2699 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2700 neither of haifa/selective schedulers are working.
2702 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2704 * doc/invoke.texi (Debugging Options): Fix description of
2705 -fno-merge-debug-strings.
2707 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2709 * config/cris/libgcc.ver: New version-script.
2710 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2712 * configure.ac <GAS features, nop mnemonic>: Add pattern
2713 crisv32-*-* for "nop".
2714 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2715 * configure: Regenerate.
2717 2009-03-24 Ira Rosen <irar@il.ibm.com>
2719 PR tree-optimization/39529
2720 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2721 mark_sym_for_renaming for the tag copied to the new vector
2724 2009-03-24 Arthur Loiret <aloiret@debian.org>
2726 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2727 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2728 EXTRA_SPEC_FUNCTIONS.
2729 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2730 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2731 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2732 -march and -mtune options.
2734 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2736 * config/m68k/t-rtems: Add m5329 multilib.
2738 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2739 Jakub Jelinek <jakub@redhat.com>
2742 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2745 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2748 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2749 instead of c_parser_expression_conv, if original_code isn't one of the
2750 4 allowed comparison codes, fail.
2752 2009-03-23 Richard Guenther <rguenther@suse.de>
2754 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2755 * tree.h (struct tree_type): Likewise.
2756 * reload.h (struct insn_chain): Likewise.
2757 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2758 * function.h (struct function): Likewise.
2759 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2761 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2763 PR tree-optimization/39516
2764 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2766 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2768 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2769 should be set true if BITS_PER_WORD of target is bigger than 32
2771 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2773 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2774 Translate -B-options to -rpath-link. Correct existing
2775 rpath-link and conditionalize on !nostdlib.
2777 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2779 * doc/extend.texi (Function Attributes, Variable Attributes):
2781 * doc/invoke.texi (Debugging Options, Optimize Options)
2782 (i386 and x86-64 Options, MCore Options): Likewise.
2784 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2787 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2788 it for block local namespace aliases.
2789 (gen_decl_die): Pass context_die to gen_namespace_die.
2791 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2794 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2795 minimum or maximum value.
2797 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2799 * reginfo.c (globalize_reg): Recompute derived reg sets.
2801 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2804 * libgcc2.c (mprotect): Do not use signed arguments for
2805 VirtualProtect, use DWORD arguments. Also fix the 'may
2806 be used uninitialized' warning for the np variable.
2808 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2811 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2812 functions using regparm calling conventions when not optimizing.
2813 (ix86_function_sseregparm): Similarly for sseregparm calling
2816 2009-03-19 Li Feng <nemokingdom@gmail.com>
2819 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2820 dependence if the first conflict is after niter iterations.
2822 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
2825 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2826 functions with dynamic stack-pointer adjustments.
2828 2009-03-19 Ben Elliston <bje@au.ibm.com>
2830 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2831 option; change to -msdata=data.
2833 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2835 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2838 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
2841 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2843 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
2845 * doc/invoke.texi (Code Gen Options): Expand discussion of
2848 2009-03-18 Jakub Jelinek <jakub@redhat.com>
2850 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2851 * matrix-reorg.c (struct matrix_info): Likewise.
2852 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2853 * rtl.h (struct mem_attrs): Likewise.
2854 * df.h (struct df): Likewise.
2855 * tree-data-ref.h (struct data_dependence_relation): Likewise.
2856 * ira-int.h (struct ira_allocno): Likewise.
2857 * df-scan.c (struct df_collection_rec): Likewise.
2858 * ira.c (struct equivalence): Likewise.
2859 * function.c (struct temp_slot): Likewise.
2860 * cfgloop.h (struct loop): Likewise.
2863 * function.c (use_register_for_decl): When not optimizing, disregard
2864 register keyword for variables with types containing methods.
2866 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
2869 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
2870 (is_simple_operand): Call contains_component_ref_p before calling data
2871 reference analysis that would fail on COMPONENT_REFs.
2873 * tree-vrp.c (search_for_addr_array): Fix formatting.
2875 2009-03-18 Richard Guenther <rguenther@suse.de>
2877 * tree-vect-transform.c (vect_loop_versioning): Fold the
2878 generated comparisons.
2879 * tree-vectorizer.c (set_prologue_iterations): Likewise.
2880 (slpeel_tree_peel_loop_to_edge): Likewise.
2882 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2885 * opts.c (print_specific_help): In addition to `undocumented',
2886 accept `separate' and `joined' flags if passed alone. Describe
2887 output by the first matched one of those.
2888 (common_handle_option): Skip over empty strings.
2889 * gcc.c (display_help): Fix help string for `--help='.
2890 * doc/invoke.texi (Option Summary, Overall Options): With
2891 `--help=', classes and qualifiers can both be repeated, but
2892 only the latter can be negated. One should not pass only
2893 negated qualifiers. Fix markup and examples.
2896 2008-10-14 Jakub Jelinek <jakub@redhat.com>
2898 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
2899 and -fhelp=separate.
2901 2009-03-17 Jing Yu <jingyu@google.com>
2904 * function.h (struct rtl_data): Move is_thunk from here...
2905 (struct function): ...to here.
2906 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
2907 * varasm.c (assemble_start_function): Change is_thunk from crtl to
2909 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
2911 (alpha_does_function_need_gp, alpha_start_function): Likewise.
2912 (alpha_output_function_end_prologue): Likewise.
2913 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
2914 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
2915 (rs6000_output_function_epilogue): Likewise.
2916 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2918 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
2921 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
2922 from different units in a single alternative.
2923 (*truncdfsf_i387): Ditto.
2924 (*truncxfsf2_mixed): Ditto.
2925 (*truncxfdf2_mixed): Ditto.
2927 2009-03-17 Jakub Jelinek <jakub@redhat.com>
2929 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2930 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2933 * tree-ssa-live.c (remove_unused_locals): Don't remove local
2934 unused non-artificial variables when not optimizing.
2937 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2938 DW_TAG_imported_module even if decl is IMPORTED_DECL with
2939 NAMESPACE_DECL in its DECL_INITIAL.
2942 * optabs.c (set_user_assembler_libfunc): New function.
2943 * expr.h (set_user_assembler_libfunc): New prototype.
2944 * c-common.c: Include libfuncs.h.
2945 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2946 for memcmp, memset, memcpy, memmove and abort.
2947 * Makefile.in (c-common.o): Depend on libfuncs.h.
2950 * dwarf2out.c (gen_inlined_enumeration_type_die,
2951 gen_inlined_structure_type_die, gen_inlined_union_type_die,
2952 gen_tagged_type_instantiation_die): Removed.
2953 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2956 2009-03-17 Janis Johnson <janis187@us.ibm.com>
2959 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2961 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2962 (check-parallel-%): Ditto.
2963 (check-consistency): Ditto.
2965 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
2967 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2968 local variable rhs by NULL_TREE.
2970 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2973 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2975 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2978 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2980 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2983 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2984 for ms->sysv ABI calls only in 64bit mode.
2986 * config/i386/i386.md (untyped_call): Support 32bit.
2988 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
2990 * doc/extend.texi: Replace x86_65 with x86_64.
2992 2009-03-16 Jakub Jelinek <jakub@redhat.com>
2994 PR tree-optimization/39455
2995 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2996 mismatches for POINTER_TYPE_P (type).
2997 (number_of_iterations_le): Likewise.
2999 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3001 * config/picochip/picochip.c: Removed profiling support.
3002 * config/picochip/picochip.md: Removed profiling instruction.
3003 * config/picochip/picochip.h: Removed profiling builtin.
3005 2009-03-16 Joseph Myers <joseph@codesourcery.com>
3007 * doc/install.texi (--with-host-libstdcxx): Document.
3009 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3012 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3013 generate a warning if the function name does not begin with
3014 "__vector" and the function has either the 'signal' or 'interrupt'
3015 attribute, from here to ...
3016 (avr_declare_function_name): ...here. New function.
3017 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3018 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3020 2009-03-14 Jakub Jelinek <jakub@redhat.com>
3023 * cse.c (fold_rtx): Don't modify original const_arg1 when
3024 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3025 separate variable instead.
3026 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3027 from out of range shift counts.
3028 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3030 2008-03-13 Catherine Moore <clm@codesourcery.com>
3032 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3033 diagnostic.h with $(DIAGNOSTIC_H).
3035 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3038 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3040 * config/i386/sync.md (sync_compare_and_swap<mode>,
3041 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3042 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3044 (sync_double_compare_and_swapdi_pic,
3045 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3046 cmpxchg8b_pic_memory_operand instead of just memory_operand.
3048 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3051 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3053 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3056 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3057 (avx_addsubv4df3): Likewise.
3058 (*avx_addsubv4sf3): Likewise.
3059 (sse3_addsubv4sf3): Likewise.
3061 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3064 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3066 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
3069 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3070 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3071 registers for allocnos created from user-defined variables.
3073 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3076 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3077 of non-integer mode as well.
3079 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
3081 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3082 for functions for which the parameter types are unknown.
3084 2009-03-11 Jakub Jelinek <jakub@redhat.com>
3087 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3088 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3089 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3090 * config/i386/i386.c (ix86_local_alignment): For
3091 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3092 long long variables on the stack to avoid dynamic realignment.
3093 Allow the first argument to be a decl rather than type.
3094 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3096 2009-03-11 Nick Clifton <nickc@redhat.com>
3099 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
3101 Add description to mno-lsim option.
3102 * config/mcore/mcore.h: Remove comment about deprecated m4align
3104 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
3105 * doc/invoke.texi: Add description of mno-lsim and
3106 mstack-increment options.
3108 * config/fr30/fr30.opt: Document the -mno-lsim option.
3109 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
3110 and -mno-lsim options.
3112 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3114 * fold-const.c (fold_comparison): Only call fold_inf_compare
3115 if the mode supports infinities.
3117 2009-03-11 Jason Merrill <jason@redhat.com>
3120 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3121 end already did. Notice GIMPLE_CALL modifications of the result.
3122 Don't copy debug information from an ignored decl or a decl from
3125 2009-03-10 Richard Guenther <rguenther@suse.de>
3126 Nathan Froyd <froydnj@codesourcery.com>
3129 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3130 (__divMODE3): Likewise.
3132 2009-03-09 Jakub Jelinek <jakub@redhat.com>
3134 PR tree-optimization/39394
3135 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3136 DECL_SIZE_UNIT of variable length FIELD_DECLs.
3138 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3140 * recog.c (verfiy_changes): Disallow renaming of hard regs in
3141 inline asms for register asm ("") declarations.
3143 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
3145 * fold-const.c (fold_unary): Fix comment.
3147 2009-03-07 Jan Hubicka <jh@suse.cz>
3150 * tree-inline.c (setup_one_parameter): Do replacement of const
3151 argument by constant in SSA form.
3153 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3156 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3157 determine alignment passed to assign_stack_local.
3158 (assign_parms_unsplit_complex): Likewise.
3159 * except.c (sjlj_build_landing_pads): Likewise.
3161 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3164 * tree-flow.h (add_referenced_var): Return bool instead of void.
3165 * tree-dfa.c (add_referenced_var): Return result of
3166 referenced_var_check_and_insert call.
3167 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3168 of referenced_var_check_and_insert.
3171 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3172 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3173 DIE, don't emit it if abstract origin already has it.
3174 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3175 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3177 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3179 * genpreds.c (needs_variable): Fix parentheses at variable name
3181 (write_tm_constrs_h): Indent generated code.
3183 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3185 * doc/extend.texi (Function Attributes): Add documentation
3188 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3191 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3192 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3194 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3196 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3199 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3202 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3203 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3205 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3207 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3208 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3209 constants instead of magic numbers.
3210 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3212 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3213 (x86_64_ms_abi_int_parameter_registers): Ditto.
3214 (x86_64_int_return_registers): Ditto.
3215 (ix86_maybe_switch_abi): Ditto.
3216 (ix86_expand_call): Ditto for clobbered_registers array.
3217 (ix86_hard_regno_mode_ok): Ditto.
3218 (x86_extended_QIreg_mentioned_p): Ditto.
3220 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3222 PR tree-optimization/39349
3223 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3225 * combine.c (gen_lowpart_for_combine): Use omode when generating
3228 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3230 PR rtl-optimization/39235
3231 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3233 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3235 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3237 2009-03-04 Richard Guenther <rguenther@suse.de>
3239 PR tree-optimization/39362
3240 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3241 that occur in abnormal PHIs should be varying.
3243 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3245 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3247 (simple_iv): Take loop as an argument instead of statement.
3248 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3249 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3251 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3253 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3254 * matrix-reorg.c (analyze_transpose): Ditto.
3255 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3256 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3257 * tree-predcom.c (ref_at_iteration): Ditto.
3258 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3260 2009-03-04 Richard Guenther <rguenther@suse.de>
3262 PR tree-optimization/39358
3263 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3264 escaped_id and callused_id.
3265 (solve_graph): Likewise.
3267 2009-03-04 Richard Guenther <rguenther@suse.de>
3269 PR tree-optimization/39339
3270 * tree-sra.c (try_instantiate_multiple_fields): Make it
3271 no longer ICE on the above.
3273 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3275 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3276 that fits within Pmode.
3278 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3281 * tm.texi (LIBCALL_VALUE): Update description.
3283 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3286 * doc/extend.texi (section): Update description.
3288 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3291 * tree-inline.c (remapped_type): New.
3292 (can_be_nonlocal): Call remapped_type instead of remap_type.
3294 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3297 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3298 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3300 2009-03-03 Richard Guenther <rguenther@suse.de>
3303 * tree.c (tree_nonartificial_location): New function.
3304 * tree.h (tree_nonartificial_location): Declare.
3305 * builtins.c (expand_builtin_memory_chk): Provide location
3306 of the call location for artificial function pieces.
3307 (maybe_emit_chk_warning): Likewise.
3308 (maybe_emit_sprintf_chk_warning): Likewise.
3309 (maybe_emit_free_warning): Likewise.
3310 * expr.c (expand_expr_real_1): Likewise.
3312 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3314 PR tree-optimization/39343
3315 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3316 COMPONENT_REF t has ARRAY_TYPE.
3318 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3321 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3322 when the type precision of the induction variable should be
3323 larger than the type precision of nit.
3324 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3325 * graphite.c (graphite_loop_normal_form): Same.
3326 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3328 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3330 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3331 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3332 numbers to describe clobbered registers.
3333 (*call_value_0_rex64_ms_sysv): Ditto.
3334 * config/i386/mmx.md (mmx_emms): Ditto.
3337 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3339 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3342 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3344 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3345 (spu_section_type_flags): New function.
3347 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3349 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3350 reg_class_contents of FLOAT_REGS into a temporary.
3352 2009-03-02 Richard Guenther <rguenther@suse.de>
3353 Ira Rosen <irar@il.ibm.com>
3355 PR tree-optimization/39318
3356 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3357 information to the vectorized statement.
3359 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3361 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3362 variable. Use defined names instead of magic constants for REX SSE
3365 2009-03-01 Richard Guenther <rguenther@suse.de>
3367 PR tree-optimization/39331
3368 * omp-low.c (lower_send_shared_vars): Do not receive new
3369 values for the reference of DECL_BY_REFERENCE parms or results.
3371 2009-03-01 Jan Hubicka <jh@suse.cz>
3374 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3375 BLOCK_NONLOCALIZED_VAR): New macros.
3376 (tree_block): Add nonlocalized_vars.
3377 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3378 gen_decl_die): Add origin argument. Allow generation of die with
3379 origin at hand only.
3380 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3381 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3383 (gen_block_die): Fix checking for unused blocks.
3384 (process_scope_var): Break out from .... ; work with origins only.
3385 (decls_for_scope) ... here; process nonlocalized list.
3386 (dwarf2out_ignore_block): Look for nonlocalized vars.
3387 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3389 (dump_scope_block): Dump them.
3390 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3391 (remap_block): Likewise.
3392 (can_be_nonlocal): New predicate.
3393 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3395 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3397 * configure: Regenerate.
3399 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3401 * optc-gen.awk: No need to duplicate option flags twice.
3402 Reuse help texts for duplicate options which do not have any.
3404 * gcc.c (display_help): Document --version.
3406 * gcc.c (main): If print_help_list and verbose_flag, ensure
3407 driver output comes before subprocess output.
3409 * optc-gen.awk: Assign all remaining fields to help string,
3410 space-separated, for multi-line help in *.opt.
3412 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3413 -Wno-pedantic-ms-format is for MinGW targets only.
3415 * doc/options.texi (Option file format): Fix bad indentation,
3416 restoring dropped sentence.
3418 2009-02-28 Jan Hubicka <jh@suse.cz>
3420 * tree-inline.c (tree_function_versioning): Output debug info.
3422 2009-02-28 Jan Hubicka <jh@suse.cz>
3425 * tree-inline.c (setup_one_parameter): Do not copy propagate
3426 arguments when not optimizing.
3428 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3431 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3432 (avx_addsubv4df3): Likewise.
3433 (*avx_addsubv4sf3): Likewise.
3434 (sse3_addsubv4sf3): Likewise.
3435 (*avx_addsubv2df3): Likewise.
3436 (sse3_addsubv2df3): Likewise.
3437 (avx_unpckhps256): Correct item selectors.
3438 (avx_unpcklps256): Likewise.
3439 (avx_unpckhpd256): Likewise.
3440 (avx_unpcklpd256): Likewise.
3442 2009-02-28 Jan Hubicka <jh@suse.cz>
3444 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3446 (copy_arguments_for_versioning): If var is declared don't declare it.
3447 (tree_function_versioning): First setup substitutions and then copy
3450 2009-02-27 Jan Hubicka <jh@suse.cz>
3453 * cgraph.h (varpool_output_debug_info): Remove.
3454 * cgraphunit.c (varpool_output_debug_info): Remove.
3455 * dwarf2out.c (deferred_locations_struct): New struct
3456 (deferred_locations): New type.
3457 (deferred_locations_list): New static var.
3458 (deffer_location): New function.
3459 (gen_variable_die): Use it.
3460 (decls_for_scope): Output info on local static vars.
3461 (dwarf2out_finish): Process deferred locations.
3462 * varpool.c (varpool_output_debug_info): Remove.
3464 2009-02-27 Jan Hubicka <jh@suse.cz>
3467 * tree.h (TREE_PROTECTED): Fix comment.
3468 (BLOCK_HANDLER_BLOCK): Remove.
3469 (struct tree_block): Remove handler_block add body_block.
3470 (inlined_function_outer_scope_p): New.
3471 (is_body_block): Remove.
3472 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3473 * dwarf2out.c (is_inlined_entry_point): Remove.
3474 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3475 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3477 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3478 * gimplify.c (gimplify_expr): Gimplify body blocks.
3479 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3480 block with multiple subblocks.
3481 (dump_scope_block): Prettier output; dump more flags and info.
3482 (dump_scope_blocks): New.
3483 (remove_unused_locals): Use dump_scope_blocks.
3484 * tree-flow.h (dump_scope_blocks): Declare.
3485 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3486 * stmt.c (is_body_block): Remove.
3487 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3488 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3490 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3493 * graphite.c (graphite_loop_normal_form): Do not call
3494 number_of_iterations_exit from a gcc_assert.
3496 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3498 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3499 jumps if COND is NULL.
3500 (find_cond_jump): New function.
3501 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3502 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3504 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3506 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3507 force_const_mem returns NULL_RTX.
3509 2009-02-26 Jan Hubicka <jh@suse.cz>
3512 * cgraph.h (varpool_output_debug_info): Remove.
3513 * cgraphunit.c (varpool_output_debug_info): Remove.
3514 * dwarf2out.c (deferred_locations_struct): New struct
3515 (deferred_locations): New type.
3516 (deferred_locations_list): New static var.
3517 (deffer_location): New function.
3518 (gen_variable_die): Use it.
3519 (decls_for_scope): Output info on local static vars.
3520 (dwarf2out_finish): Process deferred locations.
3521 * varpool.c (varpool_output_debug_info): Remove.
3523 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3525 PR rtl-optimization/39241
3526 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3527 to subreg_offset_representable_p.
3529 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3531 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3532 execute function prototype. Get f and nregs from max_reg_num
3533 and get_insns. Remove the first backward pass as it's dead,
3534 guard the forward pass by flag_expensive_optimizations.
3535 (rest_of_handle_regmove): Delete.
3536 (pass_regmove): Replace it with regmove_optimize.
3538 2009-02-25 Martin Jambor <mjambor@suse.cz>
3540 PR tree-optimization/39259
3541 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3542 calls_alloca function flags.
3543 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3546 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3548 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3549 flags_set_1_rtx, flags_set_1_set): Delete.
3550 (regmove_optimize): Do not call mark_flags_life_zones.
3552 2009-02-24 Julian Brown <julian@codesourcery.com>
3555 * config/arm/arm.c (require_pic_register): Only set
3556 cfun->machine->pic_reg once per function.
3558 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3560 * doc/invoke.texi (Link Options): Document an easier way to pass
3561 options that take arguments to the GNU linker using -Xlinker and -Wl.
3563 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3566 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3568 2009-02-24 Richard Guenther <rguenther@suse.de>
3571 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3573 2009-02-24 Richard Guenther <rguenther@suse.de>
3574 Zdenek Dvorak <ook@ucw.cz>
3576 PR tree-optimization/39233
3577 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3578 from converting them to a generic type.
3580 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3582 PR tree-optimization/39260
3583 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3584 contains a condition with a real type.
3585 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3587 2009-02-23 Jason Merrill <jason@redhat.com>
3590 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3591 narrowing_initializer_constant_valid_p.
3592 (narrowing_initializer_constant_valid_p): Don't return
3593 null_pointer_node for adding a pointer to itself.
3595 2009-02-23 Jan Hubicka <jh@suse.cz>
3598 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3601 2009-02-23 Jan Hubicka <jh@suse.cz>
3603 PR tree-optimization/37709
3604 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3605 * tree.h (block_ultimate_origin): Declare.
3606 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3607 * tree-ssa-live.c (remove_unused_scope_block_p):
3608 Eliminate blocks containig no instructions nor live variables nor
3610 (dump_scope_block): New function.
3611 (remove_unused_locals): Enable removal of dead blocks by default;
3612 enable dumping at TDF_DETAILS.
3614 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3616 * config/i386/i386.c (classify_argument): Don't allow COImode
3618 (function_arg_advance_32): Don't allow OImode.
3619 (function_arg_32): Likewise.
3620 (function_value_32): Likewise.
3621 (return_in_memory_32): Likewise.
3622 (function_arg_64): Remove OImode comment.
3624 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3627 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3628 ix86_expand_vector_set for V4DImode in 64bit mode only.
3629 (ix86_expand_vector_init_one_var): Likewise.
3631 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3633 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3635 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3638 * loop-iv.c: Revert last change.
3639 * emit-rtl.c: Likewise.
3641 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3644 * config/i386/i386.c (type_natural_mode): Remove an extra
3645 space in the warning message.
3646 (function_value_32): Handle 32-byte vector modes.
3647 (return_in_memory_32): Likewise.
3649 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3651 * loop-iv.c (truncate_value): New function.
3652 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3654 (lowpart_subreg): Move to...
3655 * emit-rtl.c: ...here.
3657 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3659 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3660 accidental and undocumented change at revision 140860.
3662 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3664 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3665 take gimple_seq * arguments.
3666 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3667 types_compatible_p langhook.
3669 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3670 Joseph Myers <joseph@codesourcery.com>
3672 * config/arm/arm.c (arm_builtin_va_list): New function.
3673 (arm_expand_builtin_va_start): Likewise.
3674 (arm_gimplify_va_arg_expr): Likewise.
3675 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3676 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3677 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3678 (va_list_type): New variable.
3679 (arm_mangle_type): Mangle va_list_type appropriately.
3681 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3684 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3685 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3686 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3687 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3688 parameter to 1000 for -O1 by default.
3689 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3691 * loop-invariant.c: Include params.h.
3692 (move_loop_invariants): Don't call move_single_loop_invariants on
3695 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3697 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3698 offset when calculating bounds for indexing stack_usage_map. Fixes
3699 a buffer overflow with certain target setups.
3701 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3704 * calls.c (expand_call): Clear try_tail_call if caller and callee
3705 disagree in promotion of function return value.
3707 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3710 * c-common.c (c_determine_visibility): If visibility changed and
3711 DECL_RTL has been already set, call make_decl_rtl to update symbol
3714 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3717 * varasm.c (assemble_variable): Don't check DECL_NAME when
3718 globalizing a variable.
3720 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3723 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3724 expression before any __builtin_trap call.
3725 * c-typeck.c (build_function_call): Convert and check function
3726 arguments before generating a call to a trap. Evaluate the
3727 function arguments before the trap.
3729 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3732 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3733 (UNSPEC_FXAM_MEM): New unspec.
3734 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3735 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3736 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3738 2009-02-19 Richard Guenther <rguenther@suse.de>
3740 PR tree-optimization/39207
3741 PR tree-optimization/39074
3742 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3743 storedanything_tree): New.
3744 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3745 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3746 (build_succ_graph): Add edges from STOREDANYTHING to all
3748 (init_base_vars): Initialize STOREDANYTHING.
3749 (compute_points_to_sets): Free substitution info after
3750 building the succ graph.
3751 (ipa_pta_execute): Likewise.
3753 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3755 (do_ds_constraint): Do not add to special var or non-pointer
3757 (type_could_have_pointers): Split out from ...
3758 (could_have_pointers): ... here. For arrays use the element type.
3759 (create_variable_info_for): Initialize may_have_pointers.
3760 (new_var_info): Likewise.
3761 (handle_lhs_call): Make the HEAP variable unknown-sized.
3762 (intra_create_variable_infos): Use a type with pointers for
3763 PARM_NOALIAS, make it unknown-sized.
3765 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3768 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3770 2009-02-18 Jason Merrill <jason@redhat.com>
3773 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3774 value if DECL_EXTERNAL.
3775 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3776 * target.h (gcc_target::binds_local_p): Clarify "module".
3777 * tree.h (TREE_PUBLIC): Clarify "module".
3779 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3782 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3783 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3785 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3788 * c.opt (Wabi): Support C and ObjC.
3791 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3793 * config/i386/i386.c (classify_argument): Warn once about the ABI
3794 change when passing union with long double.
3796 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3798 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3801 * c-parser.c (c_parser_compound_statement): Always enter and leave
3804 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3807 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3809 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3811 PR tree-optimization/36922
3812 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3813 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3816 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3818 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3821 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3823 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3825 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3827 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3830 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
3831 Richard Sandiford <rdsandiford@googlemail.com>
3833 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3834 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3835 (loongson_biadd): ...this.
3837 2009-02-17 Richard Guenther <rguenther@suse.de>
3839 PR tree-optimization/39202
3840 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3841 a var make sure to follow existing collapses.
3843 2009-02-17 Richard Guenther <rguenther@suse.de>
3846 * langhooks.c (lhd_print_error_function): Check for NULL block.
3848 2009-02-17 Richard Guenther <rguenther@suse.de>
3850 PR tree-optimization/39204
3851 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
3854 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
3856 * config/soft-fp/double.h: Update from glibc CVS.
3858 2009-02-17 Richard Guenther <rguenther@suse.de>
3860 PR tree-optimization/39207
3861 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
3862 strict-aliasing warnings for pointers pointing to NULL.
3864 2009-02-16 Joseph Myers <joseph@codesourcery.com>
3867 * c-parser.c (c_parser_braced_init): Call pop_init_level when
3868 skipping until next close brace.
3870 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
3873 * config/i386/i386.c (ix86_expand_push): Set memory alignment
3874 to function argument boundary.
3876 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3878 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
3879 in the lea_add. Reload eventually constraints it properly.
3880 * config/picochip/constraints.md : Remove the target constraint
3881 "b", since it is not needed anymore.
3883 2009-02-16 Jakub Jelinek <jakub@redhat.com>
3885 * gthr-dce.h: Uglify function parameter and local variable names.
3886 * gthr-gnat.h: Likewise.
3887 * gthr-mipssde.h: Likewise.
3888 * gthr-nks.h: Likewise.
3889 * gthr-posix95.h: Likewise.
3890 * gthr-posix.h: Likewise.
3891 * gthr-rtems.h: Likewise.
3892 * gthr-single.h: Likewise.
3893 * gthr-solaris.h: Likewise.
3894 * gthr-tpf.h: Likewise.
3895 * gthr-vxworks.h: Likewise.
3896 * gthr-win32.h: Likewise.
3898 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
3901 * config/i386/i386.md: Restrict the new peephole2 to move
3902 between MMX/SSE registers.
3904 2009-02-15 Richard Guenther <rguenther@suse.de>
3907 2009-02-13 Richard Guenther <rguenther@suse.de>
3909 * configure.ac: Enable LFS.
3910 * configure: Re-generate.
3911 * config.in: Likewise.
3913 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3915 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
3916 spu_srqwbyte, spu_srqwbytebc): Define.
3917 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
3918 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
3919 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
3920 "shrqby_<mode>"): New insn-and-split patterns.
3921 * config/spu/spu.c (expand_builtin_args): Determine and return
3922 number of operands using spu_builtin_description data.
3923 (spu_expand_builtin_1): Use it.
3925 2009-02-13 Steve Ellcey <sje@cup.hp.com>
3928 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
3931 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3934 * config/i386/i386.c (override_options): Correct warning
3935 messages for -malign-loops, -malign-jumps and -malign-functions.
3937 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3940 * config/i386/i386.md: Restrict the new peephole2 to move
3941 between the general purpose registers.
3943 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3946 * config/i386/i386.c (type_natural_mode): Add a new argument.
3947 Return the original mode and warn ABI change if vector size is 32byte.
3948 (function_arg_advance): Updated.
3949 (function_arg): Likewise.
3950 (ix86_function_value): Likewise.
3951 (ix86_return_in_memory): Likewise.
3952 (ix86_sol10_return_in_memory): Likewise.
3953 (ix86_gimplify_va_arg): Likewise.
3954 (function_arg_32): Don't warn ABX ABI change here.
3955 (function_arg_64): Likewise.
3957 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
3959 * loop-iv.c (implies_p): In the final case, test that operands 0
3960 of the two comparisons match.
3962 * config/bfin/bfin.c (find_prev_insn_start): New function.
3963 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3964 (find_next_insn_start): Move.
3966 2009-02-13 Richard Guenther <rguenther@suse.de>
3968 * configure.ac: Enable LFS.
3969 * configure: Re-generate.
3970 * config.in: Likewise.
3972 2009-02-13 Joseph Myers <joseph@codesourcery.com>
3975 * c-parser.c (c_parser_parms_list_declarator): Discard pending
3976 sizes on syntax error after some arguments have been parsed.
3978 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3980 * doc/invoke.texi (-fira): Remove.
3982 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3984 * caller-save.c: Replace regclass.c with reginfo.c in comments.
3985 * recog.c: Likewise.
3988 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
3990 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3991 (umul_ppmm): Likewise.
3992 (count_leading_zeros): Likewise.
3993 (count_trailing_zeros): Likewise.
3994 (UMUL_TIME): Likewise.
3996 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3998 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3999 soft-fp/t-softfp to tmake_file.
4001 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4002 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4003 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4004 IA64_BUILTIN_INFQ]: New.
4005 (ia64_init_builtins): Initialize __builtin_infq,
4006 __builtin_fabsq and __builtin_copysignq if not HPUX.
4007 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4008 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4010 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4012 (__fixtfti): Likewise.
4013 (__fixunstfti): Likewise.
4014 (__floattitf): Likewise.
4016 * config/ia64/libgcc-glibc.ver: New.
4017 * config/ia64/t-fprules-softfp: Likewise.
4018 * config/ia64/sfp-machine.h: Likewise.
4020 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4021 (LIBGCC2_TF_CEXT): Likewise.
4022 (TF_SIZE): Likewise.
4023 (TARGET_INIT_LIBFUNCS): Likewise.
4025 * config/ia64/t-glibc (SHLINB_MAPFILES):
4026 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4028 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4030 * config/i386/i386.c (construct_container): Rewrite processing
4031 BLKmode with X86_64_SSE_CLASS.
4033 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
4036 * config/i386/i386.md: Replace simplify_replace_rtx with
4037 replace_rtx in the new peephole2.
4039 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
4041 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4042 loop unrolling do not happen at -O2.
4044 2009-02-12 Michael Matz <matz@suse.de>
4046 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4048 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4050 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4053 2009-02-12 Ben Elliston <bje@au.ibm.com>
4055 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4056 patterns when updating the back chain. Missed in the 2009-02-10
4059 2009-02-11 Janis Johnson <janis187@us.ibm.com>
4061 * doc/extend.texi (Decimal Floating Types): Update identifier of
4062 draft TR and list of missing support.
4064 2009-02-11 Jakub Jelinek <jakub@redhat.com>
4067 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4068 bit to variable length decl's flags, add it also to its
4069 pointer replacement variable.
4071 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
4072 Jakub Jelinek <jakub@redhat.com>
4075 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4076 (memory_blockage): New expander.
4077 (*memory_blockage): New insn pattern.
4078 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4079 instead of general blockage at the end of function prologue when
4080 frame pointer is used to access red zone area. Do not emit blockage
4081 when profiling, it is emitted in generic code.
4082 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4083 function epilogue when frame pointer is used to access red zone area.
4085 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
4088 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4089 by arithmetic with memory operands.
4090 * config/i386/predicates.md (commutative_operator): New.
4092 2009-02-10 Janis Johnson <janis187@us.ibm.com>
4094 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
4097 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
4099 * alias.h (record_alias_subset): Declare.
4100 * alias.c (record_alias_subset): Make global.
4102 2009-02-10 Nick Clifton <nickc@redhat.com>
4104 * tree-parloops.c: Change license to GPLv3.
4105 * ipa-struct-reorg.c: Change license to GPLv3.
4106 * ipa-struct-reorg.h: Change license to GPLv3.
4108 2009-02-10 Steve Ellcey <sje@cup.hp.com>
4111 * c-decl.c (start_struct): Return NULL on error.
4113 2009-02-10 Jakub Jelinek <jakub@redhat.com>
4116 * cfgloopmanip.c (remove_path): Call remove_bbs after
4117 cancel_loop_tree, not before it.
4120 * function.h (struct function): Add has_local_explicit_reg_vars bit.
4121 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
4122 VAR_DECLs were seen.
4123 * tree-ssa-live.c (remove_unused_locals): Recompute
4124 cfun->has_local_explicit_reg_vars.
4125 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
4126 copies or clearings if cfun->has_local_explicit_reg_vars.
4128 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
4131 * config/i386/i386.c (expand_prologue): Emit blockage at the end
4132 of function prologue when frame pointer is used to access
4135 2009-02-10 Richard Guenther <rguenther@suse.de>
4138 * gimplify.c (gimple_regimplify_operands): Always look if
4139 we need to create a temporary.
4141 2009-02-10 Richard Guenther <rguenther@suse.de>
4143 PR tree-optimization/39132
4144 * tree-loop-distribution.c (todo): New global var.
4145 (generate_memset_zero): Trigger TODO_rebuild_alias.
4146 (tree_loop_distribution): Return todo.
4148 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
4151 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
4152 (x86_64_reg_class_name): Removed.
4153 (classify_argument): Return 0 if bytes > 32. Return 0 if the
4154 first one isn't X86_64_SSE_CLASS or any other ones aren't
4155 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
4156 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
4157 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
4158 and 3 X86_64_SSEUP_CLASS.
4159 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
4160 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4162 2009-02-10 Ben Elliston <bje@au.ibm.com>
4164 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4165 form instruction to update the stack back chain word, even if the
4166 user has disabled the generation of update instructions.
4167 (movdi_<mode>_update_stack): New.
4168 (movsi_update_stack): Likewise.
4169 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4170 always use an update form instruction to update the stack back
4173 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4176 * graphite.c (if_region_set_false_region): After moving a region in
4177 the false branch of a condition, remove the empty dummy basic block.
4178 (gloog): Remove wrong fix for PR38953.
4180 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4182 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4183 generation due to implicit sign extension.
4185 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4188 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4189 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4191 2009-02-09 Richard Guenther <rguenther@suse.de>
4194 * convert.c (convert_to_real): Disable (float)fn((double)x)
4195 to fnf(x) conversion if errno differences may occur and
4196 -fmath-errno is set.
4198 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4200 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4201 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4202 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4204 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4207 * c-common.c (handle_alias_attribute): Disallow attribute for
4208 anything not a FUNCTION_DECL or VAR_DECL.
4210 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4213 * real.c (do_compare): Special-case compare of zero against
4214 decimal float value.
4216 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4219 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4220 as indicating flexible array members unless the field itself is
4221 being declarared as the incomplete array.
4223 2009-02-06 Jan Hubicka <jh@suse.cz>
4225 PR tree-optimization/38844
4226 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4229 2009-02-06 Richard Guenther <rguenther@suse.de>
4232 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4233 fork because we may expand it as __gcov_fork.
4235 2009-02-06 Nick Clifton <nickc@redhat.com>
4237 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4239 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4241 PR tree-optimization/35659
4242 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4243 vn_phi_eq): Shortcut if hashcode does not match.
4244 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4246 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4247 and avoid iterative_hash_expr.
4248 (FOR_EACH_VALUE_ID_IN_SET): New.
4249 (value_id_compare): Remove.
4250 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4251 sort expressions by value id.
4253 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4256 * config/sh/predicates.md (general_movsrc_operand): Don't check
4257 the subreg of system registers here.
4259 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4262 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4265 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4267 PR rtl-optimization/39110
4268 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4269 addresses, not aligned ones.
4271 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4272 Richard Guenther <rguenther@suse.de>
4274 PR tree-optimization/39100
4275 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4276 comment says and add edges.
4278 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4281 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4282 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4284 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4286 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4287 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4288 register_bb_in_sese, new_sese, free_sese): Moved.
4289 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4290 outermost_loop_in_scop, build_scop_iteration_domain,
4291 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4292 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4293 Use loop_in_sese_p instead of loop_in_scop_p.
4294 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4295 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4296 (scopdet_basic_block_info): Fix bug in scop detection.
4297 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4298 eq_loop_to_cloog_loop): Remove.
4299 (nb_loops_around_loop_in_scop, nb_loop
4300 ref_nb_loops): Moved here...
4301 * graphite.h (ref_nb_loops): ... from here.
4302 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4303 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4304 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4305 * testsuite/gcc.dg/graphite/scop-19.c: New
4307 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4308 Hans-Peter Nilsson <hp@axis.com>
4310 PR rtl-optimization/37889
4311 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4312 Move offset handling from PLUS to before the switch. Use new
4313 arguments when considering SYMBOL_REFs too.
4314 (rtx_addr_can_trap_p): Pass dummy offset and size.
4315 (enum may_trap_p_flags): Remove.
4316 (may_trap_p_1): Pass size from MEM_SIZE.
4318 PR rtl-optimization/38921
4319 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4320 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4321 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4322 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4324 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4326 AVX Programming Reference (January, 2009)
4327 * config/i386/sse.md (*vpclmulqdq): New.
4329 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4331 PR tree-optimization/38977
4332 PR gcov-profile/38292
4333 * calls.c (special_function_p): Disregard __builtin_ prefix.
4335 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4337 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4338 non-indexable addresses even before reload.
4340 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4343 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4344 as having variable size. Do not give an error for unnamed
4345 parameters with [*] declarators. Give a warning for type names
4346 with [*] declarators and mark them as variable size.
4347 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4348 for sizeof applied to [*] type names.
4350 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4353 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4355 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4357 * gcc.c (process_command): Update copyright notice dates.
4358 * gcov.c (print_version): Likewise.
4359 * gcov-dump.c (print_version): Likewise.
4360 * mips-tfile.c (main): Likewise.
4361 * mips-tdump.c (main): Likewise.
4363 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4366 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4367 for composite type involving a zero-length array type.
4369 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4372 * function.c (match_asm_constraints_1): Skip over
4373 initial optional % in the constraint.
4376 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4377 supported, don't accept FIXED_CSTs.
4378 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4379 and _Sat is used without _Fract/_Accum. Set specs->type to
4380 integer_type_node for cts_fract/cts_accum if fixed point is not
4383 2009-02-02 Catherine Moore <clm@codesourcery.com>
4385 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4387 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4389 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4390 (ABI_HAS_64BIT_SYMBOLS): Use it.
4391 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4393 2009-02-02 Paul Brook <paul@codesourcery.com>
4395 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4397 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4400 * recog.h (asm_operand_ok): Add constraints argument.
4401 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4402 recurse on matching constraint.
4403 (check_asm_operands): Pass constraints as 3rd argument to
4404 asm_operand_ok. Don't look up matching constraint here.
4405 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4408 2009-02-02 Ben Elliston <bje@au.ibm.com>
4410 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4411 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4413 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4415 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4416 information. Remove some obsolete information. Reorganize.
4418 * config/pa/fptr.c: Revert license to GPL 2.
4419 * config/pa/milli64.S: Likewise.
4421 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4424 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4425 LIBRARY name in, instead of hard-coding it.
4426 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4427 extra target make frag to tmake_files according to EH model.
4428 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4429 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4430 frags that define makefile variable EH_MODEL appropriately.
4431 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4432 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4433 to "-sjlj" according to type of EH configured.
4434 (LIBGCC_SONAME): Concatenate it to shared library base name.
4435 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4436 to "_sjlj" according to type of EH configured.
4437 (LIBGCC_SONAME): Concatenate it to shared library base name.
4438 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4439 (SHLIB_LINK): Add missing semicolon to if-else construct.
4440 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4441 string value of "pe_dll" command-line option.
4442 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4443 (SHLIB_SONAME): Use it when overriding t-cygming default.
4444 (SHLIB_IMPLIB): Override t-cygming default.
4445 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4446 string value of "pe_dll" command-line option.
4448 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4451 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4452 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4454 2009-01-31 Richard Guenther <rguenther@suse.de>
4456 PR tree-optimization/38937
4457 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4458 computing the transitive closure.
4460 2009-01-30 Richard Guenther <rguenther@suse.de>
4462 PR tree-optimization/39041
4463 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4464 Propagate variable indices only if the types match for this stmt.
4466 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4469 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4470 inline but never defined.
4472 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4474 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4475 (*insv_h_di_reg_extimm): New insn.
4476 (*insv_l<mode>_reg_extimm): New insn.
4478 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4480 * config/picochip/picochip.c (flag_conserve_stack): set
4481 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4482 fconserve-stack. Reduce call-overhead used by inliner.
4484 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4487 * common.opt (flag_conserve_stack): Initialised to zero.
4489 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4492 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4493 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4496 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4498 * ira-color.c (allocno_reload_assign): Update comments.
4499 * regmove.c (regmove_optimize): Likewise.
4503 2009-01-29 Robert Millan <rmh@aybabtu.com>
4505 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4506 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4507 `MD_UNWIND_SUPPORT'.
4508 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4510 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4512 PR tree-optimization/39007
4513 * tree-loop-distribution.c (generate_builtin): Use
4514 recompute_dominator to compute the immediate dominator of the
4515 basic block just after the loop.
4517 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4519 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4520 (ASM_OUTPUT_DWARF_PCREL): Define.
4522 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4524 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4525 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4526 global. Modify entries about regmove and IRA.
4528 * ra-conflict.c: Remove the file.
4530 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4532 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4533 (pass_regclass_init): Rename to pass_reginfo_init.
4535 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4537 * toplev.h (flag_ira): Remove.
4539 * caller-save.c (setup_save_areas): Remove flag_ira.
4541 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4543 * global.c: Remove the file.
4545 * opts.c (decode_options): Remove flag_ira.
4547 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4549 * regmove.c: Modify file description.
4550 (find_use_as_address, try_auto_increment): Define them only if
4551 AUTO_INC_DEC is defined.
4552 (replacement_quality, replace_in_call_usage, fixup_match_1,
4553 stable_and_no_regs_but_for_p): Remove.
4554 (reg_set_in_bb): Make it static.
4555 (regmove_optimize): Remove flag_ira and code which worked for
4558 * local-alloc.c: Remove the file.
4560 * common.opt (fira): Remove.
4562 * ira.c: Include except.h.
4563 (eliminable_regset): Move from global.c.
4564 (mark_elimination): Ditto. Remove flag_ira.
4565 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4566 equiv_mem_modified, validate_equiv_mem_from_store,
4567 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4568 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4569 no_equiv, recorded_label_ref): Move from local-alloc.c.
4570 (update_equiv_regs): Ditto. Make it static.
4571 (print_insn_chain, print_insn_chains): Move it from global.c.
4572 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4573 (build_insn_chain): Ditto. Make it static.
4574 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4575 Rename to init_live_subregs.
4576 (gate_ira): Remove flag_ira.
4578 * regclass.c: Rename reginfo.c. Change file description.
4579 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4580 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4581 (init_reg_sets_1): Remove code for evaluation of
4582 reg_class_superclasses and losing_caller_save_reg_set.
4583 (init_regs): Remove init_reg_autoinc.
4584 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4585 ok_for_base_p_nonstrict): Remove.
4586 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4587 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4588 corresponding entries.
4589 (dump_regclass, record_operand_costs, scan_one_insn,
4590 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4591 record_address_regs, auto_inc_dec_reg_p): Remove.
4592 (gt-regclass.h): Rename to gt-reginfo.h.
4594 * rtl.h (dump_global_regs, retry_global_alloc,
4595 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4597 * Makefile.in (RA_H): Remove.
4598 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4599 Rename regclass.o to reginfo.o.
4600 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4602 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4603 (GTFILES): Rename regclass.c to reginfo.c.
4605 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4606 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4608 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4609 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4611 (finish_spills): Ditto. Remove code for !flag_ira.
4613 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4616 * doc/invoke.texi (rtl debug options): Complete rewrite.
4617 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4619 * mode-switching.c (pass_mode_switching): Rename pass from
4620 "mode-sw" to "mode_sw".
4621 * except.c (pass_convert_to_eh_ranges): Rename pass from
4622 "eh-ranges" to "eh_ranges".
4623 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4627 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4628 Alexander Monakov <amonakov@ispras.ru>
4631 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4633 (move_exprs_to_boundary): Change return type and pass through
4634 should_move from move_op. Relax assert. Update usage ...
4635 (schedule_expr_on_boundary): ... here. Use should_move instead of
4637 (move_op_orig_expr_found): Indicate that insn was disconnected from
4639 (code_motion_process_successors): Do not call after_merge_succs
4640 callback if original expression was not found when traversing any of
4642 (code_motion_path_driver): Change return type. Update prototype.
4643 (move_op): Update comment. Add a new parameter (should_move). Update
4644 prototype. Set *should_move based on indication provided by
4645 move_op_orig_expr_found.
4647 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4649 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4650 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4651 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4652 * config/rs6000/rs6000.c (rs6000_override_options): Default
4653 avoid-indexed-addresses on for Power6, off for everything else.
4654 (avoiding_indexed_address_p): New function.
4655 (rs6000_legitimize_address): Use it.
4656 (rs6000_legitimate_address): Likewise.
4657 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4659 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4661 PR tree-optimization/38997
4662 * tree-loop-distribution.c (generate_memset_zero): Use
4663 POINTER_PLUS_EXPR for a pointer addition.
4665 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4667 * config/s390/s390.md (bswap<mode>2): New pattern added.
4669 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4671 * config/s390/s390.md (*tls_load_31): Added type attribute.
4673 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4675 * config/s390/s390.md: Fix a few comments.
4677 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4679 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4680 (*tm<mode>_full): Fixed z10prop attribute.
4681 (*tst<mode>_extimm): Fixed z10prop attribute.
4682 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4683 (*tstqiCCT_cconly): Fixed z10prop attribute.
4684 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4685 (*movsi_larl): Fixed z10prop attribute.
4686 (*movsi_zarch): Fixed z10prop attribute.
4687 (*movsi_eas): Fixed z10prop attribute.
4688 (*movhi): Fixed z10prop attribute.
4689 (*movqi): Fixed z10prop attribute.
4690 (*movstrictqi): Fixed z10prop attribute.
4691 (*mov<mode>): Fixed z10prop attribute.
4692 (*movcc): Fixed z10prop attribute.
4693 (*sethighpartdi_64): Fixed z10prop attribute.
4694 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4695 (*negdi2_sign_cc): Fixed z10prop attribute.
4696 (*negdi2_sign): Fixed z10prop attribute.
4697 (*absdi2_sign_cc): Fixed z10prop attribute.
4698 (*absdi2_sign): Fixed z10prop attribute.
4699 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4700 (*negabsdi2_sign): Fixed z10prop attribute.
4701 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4702 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4703 (doloop_si64): Fixed z10prop attribute.
4704 (doloop_si31): Fixed z10prop attribute.
4705 (doloop_long): Fixed z10prop attribute.
4706 (indirect_jump): Fixed z10prop attribute.
4707 (nop): Fixed z10prop attribute.
4708 (main_base_64): Fixed z10prop attribute.
4709 (reload_base_64): Fixed z10prop attribute.
4711 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4713 PR rtl-optimization/38740
4714 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4716 * config/mips/mips.c (mips_reorg): Likewise.
4718 2009-01-28 Richard Guenther <rguenther@suse.de>
4720 PR tree-optimization/38926
4721 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4722 with the correct value id to a value.
4723 (do_regular_insertion): Use the value number of edoubleprime
4724 for the value number of the expr.
4727 2008-08-21 Richard Guenther <rguenther@suse.de>
4729 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4730 a PHI ask VN if it is already available.
4731 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4732 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4734 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4737 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4738 set to varying whenever max has TREE_OVERFLOW set, similarly
4739 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4741 2009-01-28 Richard Guenther <rguenther@suse.de>
4744 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4745 uninitialized aggregate uses in call arguments.
4747 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4749 PR tree-optimization/38984
4750 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4751 the nothing_id variable if -fno-delete-null-pointer-checks.
4753 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4756 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4757 (set_got_offset_rex64): Ditto.
4759 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4762 * doc/extend.texi: Improve local variable with asm reg.
4764 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4766 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4767 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4768 was not supplied then set warn_packed_bitfield_compat to the
4770 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4773 2009-01-27 Richard Guenther <rguenther@suse.de>
4775 PR tree-optimization/38503
4776 * cfgexpand.c (expand_gimple_basic_block): Ignore
4777 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4778 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4779 variables that cannot have TBAA applied.
4780 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4783 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4786 * calls.c (initialize_argument_information): Do not wrap complex
4787 arguments in SAVE_EXPR.
4789 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4791 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4792 (INSTALL_LIBGCC): Revert typo commit.
4794 2009-01-26 Richard Guenther <rguenther@suse.de>
4796 PR tree-optimization/38745
4797 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4798 from special handling.
4800 2009-01-26 Richard Guenther <rguenther@suse.de>
4802 PR tree-optimization/38745
4803 * tree-ssa.c (execute_update_addresses_taken): Do not include
4804 variables that cannot possibly be a register in not_reg_needs.
4805 Do not clear TREE_ADDRESSABLE on vars that may not become
4807 * tree-ssa.c (update_alias_info_1): Include those in the set
4808 of addressable vars.
4810 2009-01-26 Richard Guenther <rguenther@suse.de>
4813 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4814 * tree-ssa-dse.c: Include langhooks.h
4815 (execute_simple_dse): Remove stores with zero size.
4817 2009-01-24 Jakub Jelinek <jakub@redhat.com>
4820 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
4823 2009-01-24 Julian Brown <julian@codesourcery.com>
4825 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
4826 config/arm/linux-atomic.c.
4827 * config/arm/linux-atomic.c: New.
4829 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
4831 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
4832 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
4833 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
4835 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
4838 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
4841 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
4843 PR tree-optimization/38953
4844 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4845 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
4846 (gloog): Split the exit of the scop when the scop exit is a loop exit.
4847 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4850 2009-01-24 Paul Brook <paul@codesourcery.com>
4852 * config/arm/neon.md (neon_type): Move to arm.md.
4853 (neon_mov<VSTRUCT>): Add neon_type attribute.
4854 * config/arm/arm.md (neon_type): Move to here.
4855 (conds): Add "unconditioal" and use as default for NEON insns.
4857 2009-01-24 Ben Elliston <bje@au.ibm.com>
4859 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
4860 void *' warning from -Wc++-compat.
4861 * Makefile.in (dominance.o-warn): Remove.
4863 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
4865 PR tree-optimization/38932
4866 * fold-const.c (fold_unary_ignore_overflow): New.
4867 * tree.h (fold_unary_ignore_overflow): Declare.
4868 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
4869 * tree-ssa-sccvn.c (visit_reference_op_load,
4870 simplify_unary_expression): Likewise.
4872 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
4874 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
4875 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
4876 regardless of their type.
4877 * c-common.c (handle_packed_attribute): Don't ignore packed on
4879 * c.opt (Wpacked-bitfield-compat): New warning option.
4880 * stor-layout.c (place_field): Warn if offset of a field changed.
4881 * doc/extend.texi (packed): Mention the ABI change.
4882 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
4883 (Warning Options): Add it to the list.
4885 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
4887 * c-opts.c (c_common_post_options): Fix a typo in comments.
4889 2009-01-22 Steve Ellcey <sje@cup.hp.com>
4892 * gimplify.c (gimplify_init_constructor): Fix promotion of const
4893 variables to static.
4894 * doc/invoke.texi (-fmerge-all-constants): Update description.
4896 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
4899 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
4900 (*movdi_1_rex64): Use type "mmx" for alternative 5.
4902 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
4904 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
4906 (LOCAL_ALIGNMENT): Similarly.
4908 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4909 Joseph Myers <joseph@codesourcery.com>
4911 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
4912 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
4913 * config/arm/arm-tune.md: Regenerate.
4914 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
4917 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4919 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
4920 version number to five.
4922 2009-01-22 Dodji Seketeli <dodji@redhat.com>
4925 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
4926 * c-common.c (set_underlying_type): Likewise.
4927 (is_typedef_decl ): Likewise
4929 (set_underlying_type): Likewise.
4930 (is_typedef_type): Likewise.
4932 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
4935 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
4938 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4941 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
4942 (LIBGCC_SPEC): Don't define.
4943 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
4945 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
4947 PR rtl-optimization/38879
4948 * alias.c (base_alias_check): Unaligned access via AND address can
4949 alias all surrounding object types except those with sizes equal
4950 or wider than the size of unaligned access.
4952 2009-01-21 Dodji Seketeli <dodji@redhat.com>
4955 * c-decl.c (clone_underlying_type): Move this ...
4956 * c-common.c (set_underlying_type): ... here.
4957 Also, make sure the function properly sets TYPE_STUB_DECL() on
4958 the newly created typedef variant type.
4959 (is_typedef_decl ): New entry point.
4960 * tree.h: Added a new member member_types_needing_access_check to
4961 struct tree_decl_non_common.
4962 (set_underlying_type): New entry point.
4963 (is_typedef_type): Likewise.
4965 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
4967 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4968 Check whether two instructions have memory references that
4969 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
4970 are helper functions for traversing.
4971 * alias.h (insn_alias_sets_confilict_p): New prototypes.
4972 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
4973 not to draw dependency edge for instructions with non-conflicting
4976 2009-01-20 Joseph Myers <joseph@codesourcery.com>
4979 * longlong.h: Update copyright years. Use soft-fp license notice.
4980 Sync __clz_tab declaration with glibc.
4982 2009-01-20 Steve Ellcey <sje@cup.hp.com>
4985 * doc/extend.texi (syscall_linkage): New.
4986 (version_id): Modify.
4988 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4989 Richard Guenther <rguenther@suse.de>
4991 PR tree-optimization/38747
4992 PR tree-optimization/38748
4993 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
4994 conversion if the base address is an indirect reference and the
4995 aliasing sets could cause issues.
4997 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4999 * common.opt (fgraphite, fgraphite-identity): Add comment for
5000 explaining why these options are not documented.
5002 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5004 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5005 gimple_call_lhs is NULL.
5007 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
5010 * emit-rtl.c (adjust_address_1): Make sure memref is never
5013 2009-01-20 Ben Elliston <bje@au.ibm.com>
5015 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5016 const qualifier from arg parameter. Remove unnecessary cast to char *.
5017 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5018 const qualifier from arg 2.
5020 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5022 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5024 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5027 * rtl.h (reinit_regs): New prototype.
5028 * regclass.c: Include ira.h.
5030 * Makefile.in (regclass.o): Add ira.h.
5031 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5033 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
5036 * c-common.c (handle_aligned_attribute): Use
5037 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5038 default alignment value.
5040 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5042 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5043 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5045 * doc/extend.texi: Update __attribute__ ((aligned)). Document
5046 __BIGGEST_ALIGNMENT__.
5048 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5050 2009-01-18 Richard Guenther <rguenther@suse.de>
5052 PR tree-optimization/38819
5053 * tree-flow.h (operation_could_trap_helper_p): Declare.
5054 * tree-eh.c (operation_could_trap_helper_p): Export.
5055 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5056 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5057 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5058 are about to insert a possibly trapping instruction and fail
5061 2009-01-18 Andreas Schwab <schwab@suse.de>
5063 * doc/install.texi (Configuration): Remove obsolete paragraph
5064 about use of --with-gnu-ld with --with-gnu-as.
5066 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
5068 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5069 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5070 Follow spelling conventions.
5072 2009-01-18 Ben Elliston <bje@au.ibm.com>
5074 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5075 C++ warning about implicit conversion from void * to struct
5077 (bitmap_obstack_free): Likewise for bitmap_element *.
5078 * Makefile.in (bitmap.o-warn): Remove.
5080 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
5082 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
5084 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
5085 Tobias Grosser <tobi.grosser@amd.com>
5087 * graphite.c (graphite_trans_scop_block): Do not block single
5090 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
5092 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
5093 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
5094 test with assertion.
5096 2009-01-16 Richard Guenther <rguenther@suse.de>
5098 PR tree-optimization/38835
5100 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
5101 and INT + PTR -> (INT)(PTR p+ INT) folding.
5102 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
5104 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
5107 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
5108 the subreg from a lowpart subreg if it is also casting the value.
5110 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5111 Tobias Grosser <tobi.grosser@amd.com>
5113 * graphite.c (compare_prefix_loops): New.
5114 (build_scop_canonical_schedules): Rewritten.
5115 (graphite_transform_loops): Move build_scop_canonical_schedules
5116 after build_scop_iteration_domain.
5118 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5119 Tobias Grosser <tobi.grosser@amd.com>
5121 * graphite.c (add_conditions_to_domain): Add the loops to
5122 the dimension of the iteration domain. Do copy the domain
5123 only when it exists.
5124 (build_scop_conditions_1): Do not call add_conditions_to_domain.
5125 (add_conditions_to_constraints): New.
5126 (can_generate_code_stmt, can_generate_code): Removed.
5127 (gloog): Do not call can_generate_code.
5128 (graphite_transform_loops): Call add_conditions_to_constraints
5129 after building the iteration domain.
5131 2009-01-16 Jakub Jelinek <jakub@redhat.com>
5133 PR tree-optimization/38789
5134 * tree-ssa-threadedge.c
5135 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5136 __builtin_constant_p.
5138 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
5140 * dce.c (delete_unmarked_insns): Reversed the order that insns are
5141 examined before deleting them.
5143 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
5145 * function.c (aggregate_value_p): Correctly extract the function
5146 type from CALL_EXPR_FN lookup.
5148 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5150 * config/picochip/picochip.c (picochip_override_options): Revert
5151 CFI asm flag disable commited previously.
5153 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
5154 Tobias Grosser <tobi.grosser@amd.com>
5155 Jan Sjodin <jan.sjodin@amd.com>
5157 * graphite.c (scan_tree_for_params): On substractions negate
5158 all the coefficients of the term.
5159 (clast_to_gcc_expression_red): New. Handle reduction expressions
5160 of more than two operands.
5161 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5162 (get_vdef_before_scop): Handle also the case of default definitions.
5164 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5166 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5167 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5168 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5170 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5171 Joey Ye <joey.ye@intel.com>
5174 * cfgexpand.c (expand_stack_alignment): Don't update stack
5175 boundary nor check incoming stack boundary here.
5176 (gimple_expand_cfg): Update stack boundary and check incoming
5177 stack boundary here.
5179 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5181 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5183 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5185 PR rtl-optimization/38245
5186 * calls.c (expand_call): Add stack arguments to
5187 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5188 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5189 in regs and partially in memory or BLKmode arguments.
5190 (emit_library_call_value_1): Add stack arguments to
5191 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5192 ACCUMULATE_OUTGOING_ARGS).
5193 * dce.c: Include tm_p.h.
5194 (find_call_stack_args): New function.
5195 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5197 (mark_insn): Call find_call_stack_args for CALL_Ps.
5198 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5199 forwards. Allocate and free arg_stores bitmap if needed, pass it
5200 down to deletable_insn_p, don't mark stores set in arg_stores
5201 bitmap, clear the bitmap at the beginning of each bb.
5202 * Makefile.in (dce.o): Depend on $(TM_P_H).
5204 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5207 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5208 to make sure the insn is a conditional test (bug 22599). Reformat a
5211 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5214 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5215 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5216 (gloog): Do not call cleanup_tree_cfg.
5217 (graphite_transform_loops): Call cleanup_tree_cfg after all
5218 scops have been code generated.
5220 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5221 * doc/gty.texi (Invoking the garbage collector): Added new node
5222 and section documenting ggc_collect.
5224 2009-01-14 Richard Guenther <rguenther@suse.de>
5226 PR tree-optimization/38826
5228 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5229 initialization notes only if we actually emitted a warning.
5230 (intra_create_variable_infos): Add constraints for a result decl
5231 that is passed by hidden reference.
5232 (build_pred_graph): Mark all related variables non-direct on
5235 2009-01-14 Nick Clifton <nickc@redhat.com>
5237 * ira-conflicts.c: Include addresses.h for the definition of
5239 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5240 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5242 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5245 * Makefile.in (ira-lives.o): Add except.h.
5247 * ira-lives.c: Include except.h.
5248 (process_bb_node_lives): Process can_throw_internal.
5250 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5252 PR rtl-optimization/38774
5253 * combine.c (simplify_set): When undoing cc_use change, don't do
5254 PUT_CODE on the newly created comparison, but instead put back the
5257 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5259 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5260 values. Remove duplicate arm8 entry.
5262 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5264 PR tree-optimization/38786
5265 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5266 the SSA_NAME case of expand_scalar_variables_expr.
5267 Set the type of an expression to the type of its assign statement.
5268 (expand_scalar_variables_expr): Also gather the scalar computation
5269 used to index the memory access. Do not pass loop_p.
5270 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5271 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5272 the gimple_stmt_iterator where it inserts new code.
5274 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5275 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5277 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5279 * graphite.h (debug_value): Removed.
5280 * graphite.c (debug_value): Removed.
5282 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5284 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5285 ldrd/strd with two 32-bit instructions.
5287 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5289 * config/arm/arm.c (struct processors): Pass for speed down into
5290 cost helper functions.
5291 (const_ok_for_op): Handle COMPARE and inequality nodes.
5292 (arm_rtx_costs_1): Rewrite.
5293 (arm_size_rtx_costs): Update prototype.
5294 (arm_rtx_costs): Pass speed down to helper functions.
5295 (arm_slowmul_rtx_costs): Rework cost calculations.
5296 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5297 (arm_9e_rtx_costs): Likewise.
5299 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5301 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5302 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5303 (alpha_legitimize_address): Do not split local symbols wider than
5304 UNITS_PER_WORD into HIGH/LO_SUM parts.
5306 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5309 * gcc.c (process_command): Replace call to execvp with calls
5310 to pex_one and exit.
5312 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5315 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5316 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5317 variant for devices with 3-byte PC.
5318 (__tablejump_elpm__): New.
5320 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5323 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5324 offsetof member-designator, handle it as `[0].'.
5326 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5328 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5329 function when not using named sections on targets with named sections
5330 if branch distance is less than 262132.
5332 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5334 * combine.c (combine_instructions): Recompute
5335 optimize_this_for_speed_p for each BB in the main combine loop.
5337 2009-01-12 Tomas Bily <tbily@suse.cz>
5340 * tree-loop-distribution.c (prop_phis): New function.
5341 (generate_builtin): Call prop_phis.
5342 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5344 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5346 PR tree-optimization/38807
5347 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5348 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5350 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5352 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5353 subreg of op0 to the original op0.
5355 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5357 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5359 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5362 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5363 starting with digits.
5365 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5368 * config/arm/arm.c (arm_is_long_call_p): Don't call
5369 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5371 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5373 * regrename.c (regrename_optimize): Fix dumping.
5374 (find_oldest_value_reg): Preserve REG_POINTER.
5375 (copy_hardreg_forward_1): Likewise.
5377 2009-01-09 Diego Novillo <dnovillo@google.com>
5379 * gimple.h (struct gimple_statement_base) <uid>: Document
5380 the restrictions on its use.
5382 (gimple_set_uid): Tidy.
5384 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5386 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5387 zero guard even if align_bytes != 0 and count is smaller than
5390 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5392 PR rtl-optimization/38495
5393 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5394 (add_range_and_copies_from_move_list): Print all added ranges.
5395 Add ranges to memory optimized destination.
5397 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5401 * config/i386/i386.c (override_options): Reject
5402 -mstringop-strategy=rep_8byte with -m32.
5403 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5404 to 1. Do count comparison against epilogue_size_needed at compile
5405 time even when count_exp was constant forced into register. For
5406 size_needed don't jump to epilogue, instead just avoid aligning
5407 and invoke the body algorithm. If need_zero_guard, add zero guard
5408 even if count is non-zero, but smaller than size_needed + number of
5409 bytes that could be stored for alignment.
5410 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5411 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5412 but smaller than size_needed + number of bytes that could be stored
5413 for alignment. Compare size_needed with epilogue_size_needed instead
5414 of desired_align - align, don't adjust size_needed, pass
5415 epilogue_size_needed to the epilogue expanders.
5418 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5420 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5422 * pa.c (last_address): Change to unsigned.
5423 (update_total_code_bytes): Change argument to unsigned. Don't
5424 check if insn addresses are set.
5425 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5426 addresses are not set.
5427 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5429 2009-01-09 Nick Clifton <nickc@redhat.com>
5431 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5432 DECL_DECLARED_INLINE_P.
5434 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5437 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5438 GET_MODE (op0) in operand_subword_force calls.
5441 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5442 fold_convert arg0 operands to TREE_TYPE (op0) first.
5444 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5446 * params.def (ira-max-conflict-table-size): Decrease default value
5449 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5451 PR tree-optimization/37031
5452 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5454 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5455 allocate it using gc instead of heap, use VEC_quick_push instead of
5457 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5458 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5459 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5460 allocated vector from heap allocated.
5461 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5462 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5463 vector only after perfect_loop_nest_depth call.
5465 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5466 Jan Sjodin <jan.sjodin@amd.com>
5468 PR tree-optimization/38559
5469 * graphite.c (debug_value, copy_constraint,
5470 swap_constraint_variables, scale_constraint_variable, ): New.
5471 (get_lower_bound, get_upper_bound): Removed.
5472 (graphite_trans_bb_strip_mine): Clean up this code that works
5473 only for constant number of iterations. Fully copy upper and
5474 lower bound constraints, not only the constant part of them.
5475 * graphite.h (debug_value): Declared.
5477 2009-01-08 Ira Rosen <irar@il.ibm.com>
5479 PR tree-optimization/37194
5480 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5481 Don't add the cost of cost model guard in prologue to scalar
5482 outside cost in case of known number of iterations.
5484 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5485 Alan Modra <amodra@bigpond.net.au>
5487 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5488 non-word-aligned REG+CONST addressing.
5490 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5493 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5494 free_after_compilation when outputting a thunk.
5495 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5496 Do not call free_after_compilation here.
5498 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5500 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5501 (ix86_valid_target_attribute_inner_p): Ditto.
5503 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5505 PR tree-optimization/38492
5506 PR tree-optimization/38498
5507 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5508 * tree-chrec.h (scev_is_linear_expression): Declared.
5509 * graphite.c (graphite_cannot_represent_loop_niter): New.
5510 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5511 (graphite_loop_normal_form): Use gcc_assert.
5512 (scan_tree_for_params): Use CASE_CONVERT.
5513 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5514 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5515 Use gcc_assert. Discard scops that contain unhandled cases.
5516 (build_scop_conditions): Return a boolean status for unhandled cases.
5517 (strip_mine_profitable_p): Print the loop number, not its depth.
5518 (is_interchange_valid): Pass the depth of the loop nest, don't
5519 recompute it wrongly.
5520 (graphite_trans_bb_block): Same.
5521 (graphite_trans_bb_block): Print tentative of loop blocking.
5522 (graphite_trans_scop_block): Do not print that the loop has been
5524 (graphite_transform_loops): Do not handle scops that contain condition
5527 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5529 AVX Programming Reference (December, 2008)
5530 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5531 (_mm256_stream_pd): Likewise.
5532 (_mm256_stream_ps): Likewise.
5534 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5535 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5536 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5537 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5538 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5539 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5540 (ix86_expand_special_args_builtin): Likewise.
5542 * config/i386/sse.md (AVXMODEDI): New.
5543 (avx_movnt<mode>): Likewise.
5544 (avx_movnt<mode>): Likewise.
5545 (<sse>_movnt<mode>): Remove AVX support.
5546 (sse2_movntv2di): Likewise.
5548 2009-01-07 Richard Guenther <rguenther@suse.de>
5551 * fold-const.c (extract_muldiv): Remove obsolete comment.
5552 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5553 to PLUS_EXPR canonicalization for the canonicalization.
5555 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5557 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5558 hosted cross-compilers generating less efficient code.
5560 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5562 * function.h (rtl_data): Add a dbr_scheduled_p field.
5563 * reorg.c (dbr_schedule): Set it.
5564 (gate_handle_delay_slots): Check it.
5565 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5566 (mips_reorg): Check flag_delayed_branch instead of
5567 mips_base_delayed_branch.
5568 (mips_override_options): Don't set mips_base_delayed_branch
5569 or flag_delayed_branch.
5571 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5573 PR rtl-optimization/38426.
5574 * ira.c (ira): Set current_function_is_leaf earlier.
5576 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5578 PR rtl-optimization/38722
5579 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5580 too early, only set a flag and modify after last possible
5583 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5586 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5587 * real.c (decimal_single_format): Correct values of emin and emax.
5588 (decimal_double_format): Ditto.
5589 (decimal_quad_format): Ditto.
5590 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5591 computation of DECnn_MIN and DECnn_MAX for corrected values of
5592 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5593 __DECnn_MIN__, and adjust its computation for the corrected value
5596 2009-01-06 Jan Hubicka <jh@suse.cz>
5599 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5601 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5603 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5604 Add Robert Clark to the list of testers.
5606 2009-01-06 Jan Hubicka <jh@suse.cz>
5607 Kai Tietz <kai.tietz@onevision.com>
5609 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5610 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5612 2009-01-06 Jan Hubicka <jh@suse.cz>
5613 Kai Tietz <kai.tietz@onevision.com>
5615 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5617 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5618 (ix86_nsaved_regs): Count only general purpose regs.
5619 (ix86_nsaved_sseregs): New.
5620 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5621 to 16 for w64; compute padding and size of sse reg save area.
5622 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5623 general purpose regs.
5624 (ix86_emit_save_sse_regs_using_mov): New.
5625 (ix86_expand_prologue): Save SSE regs if needed.
5626 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5627 (ix86_emit_restore_sse_regs_using_mov): New.
5628 (ix86_expand_epilogue): Save SSE regs if needed.
5630 2009-01-06 Jan Hubicka <jh@suse.cz>
5631 Kai Tietz <kai.tietz@onevision.com>
5633 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5634 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5635 functions when accumulate outgoing args is off.
5637 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5640 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5641 before using pseudos_have_intersected_live_ranges_p.
5643 * ira-int.h (ira_assert): Always define.
5645 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5647 AVX Programming Reference (December, 2008)
5648 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5649 (_mm256_permute2_pd): Likewise.
5650 (_mm_permute2_ps): Likewise.
5651 (_mm256_permute2_ps): Likewise.
5652 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5653 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5655 * config/i386/i386.c (ix86_builtins): Remove
5656 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5657 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5658 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5659 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5660 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5661 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5662 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5663 __builtin_ia32_vpermil2ps256.
5664 (ix86_init_mmx_sse_builtins): Updated.
5665 (ix86_expand_args_builtin): Likewise.
5667 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5669 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5670 long absolute calls when generating PA 2.0 code.
5672 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5674 PR rtl-optimization/38583
5675 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5677 * params.def (ira-max-conflict-table-size): New.
5679 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5681 * ira.h (ira_conflicts_p): New external definition.
5683 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5684 table. Report this. Return result of building.
5685 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5686 building conflict table.
5688 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5689 (ira_color): Use ira_conflicts_p.
5691 * global.c: Include ira.h.
5692 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5695 * Makefile.in (global.o): Add ira.h.
5697 * ira-build.c (mark_all_loops_for_removal,
5698 propagate_some_info_from_allocno): New.
5699 (remove_unnecessary_allocnos): Call
5700 propagate_some_info_from_allocno.
5701 (remove_low_level_allocnos): New.
5702 (remove_unnecessary_regions): Add parameter. Call
5703 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5704 parameter to remove_unnecessary_regions.
5705 (ira_build): Remove all regions but root if the conflict table was
5706 not built. Update conflict hard regs for allocnos crossing calls.
5708 * ira.c (ira_conflicts_p): New global.
5709 (ira): Define and use ira_conflicts_p.
5711 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5712 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5713 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5715 2009-01-06 Ben Elliston <bje@au.ibm.com>
5717 * gengtype-lex.l (YY_NO_INPUT): Define.
5719 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5722 * c-common.c (handle_vector_size_attribute): Also reject
5725 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5727 PR tree-optimization/38492
5728 * graphite.c (rename_map_elt, debug_rename_elt,
5729 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5730 rename_map_elt_info, eq_rename_map_elts,
5731 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5732 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5733 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5734 (sese_build_livein_liveouts): New.
5735 (new_sese, free_sese): New.
5736 (new_scop): Call new_sese.
5737 (free_scop): Call free_sese.
5738 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5739 (register_old_new_names): Renamed register_old_and_new_names.
5740 (register_scop_liveout_renames, add_loop_exit_phis,
5741 insert_loop_close_phis, struct igp,
5742 default_liveout_before_guard, add_guard_exit_phis,
5743 insert_guard_phis, copy_renames): New.
5744 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5745 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5746 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5747 (scop_adjust_phis_for_liveouts): New.
5748 (gloog): Call scop_adjust_phis_for_liveouts.
5750 * graphite.h (struct sese): Documented. Added fields liveout,
5752 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5753 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5754 (struct scop): Added field liveout_renames.
5755 (SCOP_LIVEOUT_RENAMES): New.
5757 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5759 PR tree-optimization/38510
5760 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5761 (translate_clast): Call recompute_all_dominators before
5763 (gloog): Call recompute_all_dominators before graphite_verify.
5765 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5766 Jan Sjodin <jan.sjodin@amd.com>
5768 PR tree-optimization/38500
5769 * graphite.c (create_sese_edges): Call fix_loop_structure after
5772 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5774 * config.gcc: Add m32r*-*-rtems*.
5775 * config/m32r/rtems.h: New file.
5777 2009-01-05 Ben Elliston <bje@au.ibm.com>
5779 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5780 (.po.pox): Likewise.
5781 (po/gcc.pot): Likewise.
5783 2009-01-04 David S. Miller <davem@davemloft.net>
5785 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5786 (STARTING_FRAME_OFFSET): Always set to zero.
5788 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5790 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5791 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5792 fixed-point types, and vectors of the same.
5794 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5796 * config/mips/sync.md (*mb_barrier): Rename to...
5797 (*memory_barrier): ...this.
5799 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5801 * doc/extend.texi (Function Attributes): Move @cindex after @item
5802 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5803 and put in alphabetical order. Fix 'target' name and put in order.
5804 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5807 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5809 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5810 (memory_barrier): Expand as unspec instead of unspec_volatile.
5811 Remove mem:BLK from insn operands. Use Pmode scratch register.
5812 (*memory_barrier): Define as unspec instead of unspec_volatile.
5813 Use (match_dup 0) as input operand.
5815 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
5816 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
5817 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
5818 scratch register. Remove operand 1.
5819 (*stbar): Define as unspec instead of unspec_volatile.
5820 Use (match_dup 0) as input operand, remove (const_int 8).
5821 (*membar): Define as unspec instead of unspec_volatile.
5822 Use (match_dup 0) as input operand, remove input operand 2.
5824 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
5825 (memory_barrier): Expand as unspec instead of unspec_volatile.
5826 Remove mem:BLK from insn operands. Use Pmode scratch register.
5827 (*memory_barrier): Define as unspec instead of unspec_volatile.
5828 Use (match_dup 0) as input operand.
5830 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
5831 Remove mem:BLK from insn operands. Use Pmode scratch register.
5832 Set volatile flag on operand 0.
5833 (*memory_barrier): New insn pattern.
5835 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
5837 (*memory_barrier): Use (match_dup 0) as input operand.
5839 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
5840 Remove mem:BLK from insn operands. Use Pmode scratch register.
5841 Set volatile flag on operand 0.
5842 (*mb_internal): New insn pattern.
5844 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
5846 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5849 * function.c (struct temp_slot): Move to the section of the file
5850 that deals with temp slots. Remove field 'address'.
5851 (temp_slot_address_table): New hash table of address -> temp slot.
5852 (struct temp_slot_address_entry): New struct, items for the table.
5853 (temp_slot_address_compute_hash, temp_slot_address_hash,
5854 temp_slot_address_eq, insert_temp_slot_address): Support functions
5856 (find_temp_slot_from_address): Rewrite to use the new hash table.
5857 (remove_unused_temp_slot_addresses): Remove addresses of temp
5858 slots that have been made available.
5859 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
5860 worker function for remove_unused_temp_slot_addresses.
5861 (assign_stack_temp_for_type): Don't clear the temp slot address list.
5862 Add the temp slot address to the address -> temp slot map.
5863 (update_temp_slot_address): Update via insert_temp_slot_address.
5864 (free_temp_slots): Call remove_unused_temp_slot_addresses.
5865 (pop_temp_slots): Likewise.
5866 (init_temp_slots): Allocate the address -> temp slot map, or empty
5867 the map if it is already allocated.
5868 (prepare_function_start): Initialize temp slot processing.
5870 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5873 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
5874 Calculate the size of all stack vars assuming no packing of stack
5875 vars will happen, replacing a quadratic algorithm with a linear one.
5877 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5880 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
5883 2009-01-03 Diego Novillo <dnovillo@google.com>
5885 * doc/contrib.texi: Update contributions.
5887 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5890 * builtins.c (fold_builtin_memory_op): Give up if either operand
5891 is volatile. Set srctype or desttype to non-qualified version
5895 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
5898 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
5900 PR rtl-optimization/35805
5901 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
5902 problem if fast dce is able to remove any instructions.
5903 * dce.c (dce_process_block): Fix dump message.
5905 2009-01-02 Mark Mitchell <mark@codesourcery.com>
5908 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
5910 2009-01-02 Jakub Jelinek <jakub@redhat.com>
5913 * tree-flow.h (op_code_prio, op_prio): New prototypes.
5914 * tree-pretty-print.c (op_code_prio): New function.
5915 (op_prio): No longer static. Use op_code_prio.
5916 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
5917 Use op_prio and op_code_prio to determine if () should be
5918 printed around operand(s) or not.
5920 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
5921 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
5922 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
5923 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
5924 pp_character instead of pp_string for single letter printing.
5926 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5928 * doc/extend.texi: Fix '#pragma GCC option' typo.
5930 2009-01-02 Richard Guenther <rguenther@suse.de>
5932 * doc/install.texi (--enable-checking): Mention different
5934 (--enable-stage1-checking): Document.
5936 2009-01-01 Andrew Pinski <pinskia@gmail.com>
5939 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
5940 case to be an error.
5942 2009-01-02 Ben Elliston <bje@au.ibm.com>
5944 * config/fp-bit.h (pack_d): Constify argument.
5945 * config/fp-bit.c (makenan): Constify return type. Remove casts.
5946 (isnan): Constify argument.
5950 (_fpadd_parts): Constify return type.
5951 (_fpmul_parts): Likewise.
5952 (_fpdiv_parts): Likewise.
5954 2009-01-01 Jakub Jelinek <jakub@redhat.com>
5957 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
5958 warn about overwriting initializer with side-effects or
5959 -Woverride-init if !IMPLICIT.
5960 (output_init_element): Likewise. Pass IMPLICIT down to
5962 (process_init_element): Add IMPLICIT argument. Pass it down
5963 to output_init_element.
5964 (push_init_element, pop_init_level, set_designator): Adjust
5965 process_init_element callers.
5966 (set_nonincremental_init, set_nonincremental_init_from_string):
5967 Adjust add_pending_init callers.
5968 (output_pending_init_elements): Adjust output_init_element callers.
5969 * c-tree.h (process_init_element): Adjust prototype.
5970 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
5971 process_init_element callers.