1 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
3 * recog.c (ordered_comparison_operator): New.
4 * gensupport.c (std_preds): Add it.
5 * doc/md.texi (Machine-Independent Predicates): Document it.
7 2009-04-08 Jan Hubicka <jh@suse.cz>
9 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
10 * function.h (rtl_eh): Remove exception_handler_label_map.
11 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
12 remove_exception_handler_label, for_each_eh_label_1): Remove.
13 (rtl_remove_unreachable_regions): Remove.
14 (convert_from_eh_region_ranges): Do not remove unreachable regions.
15 (find_exception_handler_labels): Don't build the hashtable.
16 (maybe_remove_eh_handler): Remove.
17 (for_each_eh_label): Rewrite to walk the tree.
18 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
19 * except.h (maybe_remove_eh_handler): Remove.
20 * passes.c (init_optimization_passes): Schedule second EH cleanup
22 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
23 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
25 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
27 * genoutput.c (validate_optab_operands): New.
28 (gen_insn, gen_expand): Call it.
30 * genflags.c (gen_insn): Detect misused iterators.
31 (main): Pass line_no to gen_insn, exit with status 1 on error.
33 * genextract.c (line_no): Make global.
34 (VEC_safe_set_locstr): Change assertion to error message.
35 (main): Exit with status 1 on error.
37 2009-04-08 Joseph Myers <joseph@codesourcery.com>
41 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
42 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
43 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
44 * c-convert.c (convert): Do not call fold on results of conversion
45 functions when the result is a C_MAYBE_CONST_EXPR.
46 * c-parser.c (c_parser_postfix_expression): Do not fold condition
47 of __builtin_choose_expr.
48 * c-typeck.c (remove_c_maybe_const_expr): New.
49 (build_unary_op, build_conditional_expr, build_compound_expr,
50 build_binary_op, c_objc_common_truthvalue_conversion): Call
51 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
54 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
56 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
57 CODE to produce a new one. Add a prototype to use fold_convert_const
59 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
62 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
63 mix declarations and code.
65 2009-04-08 Ben Elliston <bje@au.ibm.com>
67 * gcc.c: Replace `CC' with `GCC' throughout.
69 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
71 * doc/invoke.texi: Document Atom support.
73 2009-04-07 Jason Merrill <jason@redhat.com>
76 * c-common.h, c-common.c: Add flag_pretty_templates.
77 * c-opts.c (c_common_handle_option): Set it.
78 * c.opt: Add -fno-pretty-templates.
79 * doc/invoke.texi (C++ Dialect Options): Likewise.
81 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
83 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
84 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
85 (ia64_expand_builtin): Likewise.
87 2009-04-07 Martin Jambor <mjambor@suse.cz>
89 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
90 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
91 ADDR_EXPRS are include too.
93 2009-04-07 Richard Guenther <rguenther@suse.de>
95 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
96 decls are only used if passes as parameters or if they are
97 local statics and the call is not to a builtin.
98 (call_may_clobber_ref_p_1): Likewise.
100 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
102 * expr.c (do_store_flag): Remove last argument. Simplify code
103 to avoid duplication of tests already done by can_compare_p.
104 (expand_expr_real_1): Adjust caller.
106 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
108 * optabs.c (can_compare_p): Test the predicate of a
109 cbranch and cstore pattern.
111 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
113 * expr.c (convert_move): Use emit_store_flag instead of
116 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
118 * config/i386/i386.c (ix86_compare_emitted): Remove.
119 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
120 ix86_compare_op0 like ix86_compare_emitted used to be handled.
121 * config/i386/i386.h (ix86_compare_emitted): Remove.
122 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
123 instead of ix86_compare_emitted.
124 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
126 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
128 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
129 Add t-sysroot-suffix to tmake_file.
130 * config/print-sysroot-suffix.sh: New file.
131 * config/t-sysroot-suffix: New file.
133 2009-04-07 Ben Elliston <bje@au.ibm.com>
135 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
136 as the latter produces a warning when the target does not support
139 2009-04-07 Ben Elliston <bje@au.ibm.com>
141 * dfp.c: Replace type punning assignments with memcpy throughout.
142 * Makefile.in (dfp.o-warn): Remove.
144 2009-04-07 Alan Modra <amodra@bigpond.net.au>
147 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
148 Include soft-fp/t-softfp after rs6000/t-linux64.
150 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
152 * stor-layout.c (set_sizetype): Use the full precision of their
153 machine mode for bitsize types.
155 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
157 * config/i386/i386.md: Revert 2 accidental checkins.
159 2009-04-06 Joey Ye <joey.ye@intel.com>
160 Xuepeng Guo <xuepeng.guo@intel.com>
161 H.J. Lu <hongjiu.lu@intel.com>
163 Atom pipeline model, tuning and insn selection.
164 * config.gcc (atom): Add atom config options and target.
166 * config/i386/atom.md: New.
168 * config/i386/i386.c (atom_cost): New cost.
169 (m_ATOM): New macro flag.
170 (initial_ix86_tune_features): Set m_ATOM.
171 (x86_accumulate_outgoing_args): Likewise.
172 (x86_arch_always_fancy_math_387): Likewise.
173 (processor_target): Add Atom cost.
174 (cpu_names): Add Atom cpu name.
175 (override_options): Set Atom ISA.
176 (ix86_issue_rate): New case PROCESSOR_ATOM.
177 (ix86_adjust_cost): Likewise.
179 * config/i386/i386.h (TARGET_ATOM): New target macro.
180 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
181 (TARGET_OPT_AGU): New target option.
182 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
183 (processor_type): Add PROCESSOR_ATOM.
185 * config/i386/i386.md (cpu): Add new value "atom".
186 (use_carry, movu): New attr.
187 (atom.md): Include atom.md.
188 (adddi3_carry_rex64): Set attr "use_carry".
189 (addqi3_carry): Likewise.
190 (addhi3_carry): Likewise.
191 (addsi3_carry): Likewise.
192 (*addsi3_carry_zext): Likewise.
193 (subdi3_carry_rex64): Likewise.
194 (subqi3_carry): Likewise.
195 (subhi3_carry): Likewise.
196 (subsi3_carry): Likewise.
197 (x86_movdicc_0_m1_rex64): Likewise.
198 (*x86_movdicc_0_m1_se): Likewise.
199 (x86_movsicc_0_m1): Likewise.
200 (*x86_movsicc_0_m1_se): Likewise.
201 (*adddi_1_rex64): Emit add insn as much as possible.
202 (*addsi_1): Likewise.
203 (return_internal): Set atom_unit.
204 (return_internal_long): Likewise.
205 (return_pop_internal): Likewise.
206 (*rcpsf2_sse): Set atom_sse_attr attr.
207 (*qrt<mode>2_sse): Likewise.
208 (*prefetch_sse): Likewise.
210 * config/i386/i386-c.c (ix86_target_macros_internal): New case
212 (ix86_target_macros_internal): Likewise.
214 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
215 (*prefetch_sse_rex): Likewise.
216 (sse_rcpv4sf2): Likewise.
217 (sse_vmrcpv4sf2): Likewise.
218 (sse_sqrtv4sf2): Likewise.
219 (<sse>_vmsqrt<mode>2): Likewise.
220 (sse_ldmxcsr): Likewise.
221 (sse_stmxcsr): Likewise.
222 (*sse_sfence): Likewise.
223 (sse2_clflush): Likewise.
224 (*sse2_mfence): Likewise.
225 (*sse2_lfence): Likewise.
226 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
227 (<sse>_movup<ssemodesuffixf2c>): Likewise.
228 (avx_movdqu<avxmodesuffix>): Likewise.
229 (avx_lddqu<avxmodesuffix>): Likewise.
230 (sse2_movntv2di): Change attr "type" to "ssemov".
231 (sse2_movntsi): Likewise.
232 (rsqrtv8sf2): Change attr "type" to "sseadd".
233 (sse3_addsubv2df3): Set attr "atom_unit".
234 (sse3_h<plusminus_insn>v4sf3): Likewise.
235 (*sse2_pmaddwd): Likewise.
236 (*vec_extractv2di_1_rex64): Likewise.
237 (*vec_extractv2di_1_avx): Likewise.
238 (sse2_psadbw): Likewise.
239 (ssse3_phaddwv8hi3): Likewise.
240 (ssse3_phaddwv4hi3): Likewise.
241 (ssse3_phadddv4si3): Likewise.
242 (ssse3_phadddv2si3): Likewise.
243 (ssse3_phaddswv8hi3): Likewise.
244 (ssse3_phaddswv4hi3): Likewise.
245 (ssse3_phsubwv8hi3): Likewise.
246 (ssse3_phsubwv4hi3): Likewise.
247 (ssse3_phsubdv4si3): Likewise.
248 (ssse3_phsubdv2si3): Likewise.
249 (ssse3_phsubswv8hi3): Likewise.
250 (ssse3_phsubswv4hi3): Likewise.
251 (ssse3_pmaddubsw128): Likewise.
252 (sse3_pmaddubsw: Likewise.
253 (ssse3_palignrti): Likewise.
254 (ssse3_palignrdi): Likewise.
256 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
258 * doc/install.texi (Specific): Fix two cross-references to MinGW.
260 2009-04-06 Richard Guenther <rguenther@suse.de>
262 PR tree-optimization/28868
263 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
264 of which PHI results we inserted.
265 (insert_into_preds_of_block): Record inserted PHIs.
266 (eliminate): Eliminate redundant PHI nodes.
267 (init_pre): Init inserted_phi_names.
269 2009-04-06 Richard Guenther <rguenther@suse.de>
271 PR tree-optimization/39643
272 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
273 IMAGPART_EXPRs of complex constants.
274 (execute_fold_all_builtins): If we folded a call queue
275 TODO_update_address_taken.
277 2009-04-06 Jan Hubicka <jh@suse.cz>
280 * except.c (remove_unreachable_regions): Propagate may_contain_throw
283 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
285 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
287 (ic_invalidate_array): Likewise.
289 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
291 * calls.c (emit_library_call_value_1): Fix a problem with parameter
292 alignment for library calls.
294 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
296 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
297 (mingw32 tm clause use_gcc_stdint): Set to wrap.
298 * config/i386/mingw-stdint.h: New file.
300 2009-04-05 Richard Guenther <rguenther@suse.de>
302 PR tree-optimization/39648
303 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
304 our &A vs. &A[0] IL deficiencies.
306 2009-04-04 Jan Hubicka <jh@suse.cz>
308 * except.c (sjlj_find_directly_reachable_regions): Be ready for
309 removed toplevel regions.
310 (sjlj_mark_call_sites): Likewise.
312 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
314 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
315 (cygwin tm clause use_gcc_stdint): Set to wrap.
316 * config/i386/cygwin-stdint.h: New file.
318 2009-04-04 Richard Guenther <rguenther@suse.de>
320 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
321 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
322 single-argument PHIs if we are in loop-closed SSA form.
323 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
324 for the pre-condition.
325 (slpeel_tree_peel_loop_to_edge): Likewise.
326 (vect_build_loop_niters): Take an optional sequence to append stmts.
327 (vect_generate_tmps_on_preheader): Likewise.
328 (vect_do_peeling_for_loop_bound): Take extra guards for the
330 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
331 the cost model check.
332 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
333 guards if we are going to peel. Do not apply versioning in that
335 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
336 (vect_do_peeling_for_loop_bound): Likewise.
337 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
338 loop bound only record extra pre-conditions, do not apply loop
341 2009-04-04 Richard Guenther <rguenther@suse.de>
343 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
346 2009-04-04 Jan Hubicka <jh@suse.cz>
348 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
349 last_basic_block for size of bb->index indexed array.
350 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
351 compute_out, link_btr_uses, build_btr_def_use_webs,
352 build_btr_def_use_webs, migrate_btr_defs): Likewise.
354 2009-04-04 Jan Hubicka <jh@suse.cz>
356 * except.c (remove_eh_handler_and_replace): Break out from ...
357 (remove_eh_handler): ... here.
358 (bring_to_root): New function.
359 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
360 handled ones, bring others to root of tree.
362 2009-04-04 Jan Hubicka <jh@suse.cz>
364 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
365 (all_phis_safe_to_merge): New function.
366 (update_info): New structure.
367 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
368 (cleanup_empty_eh): Update SSA if possible.
370 2009-04-04 Richard Guenther <rguenther@suse.de>
372 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
373 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
374 (append_vuse): Likewise.
376 2009-04-04 Jakub Jelinek <jakub@redhat.com>
378 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
379 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
380 instead of REG_UNSAVED for DW_CFA_undefined.
381 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
382 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
385 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
388 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
389 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
390 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
392 2009-04-04 Richard Guenther <rguenther@suse.de>
394 PR tree-optimization/8781
395 PR tree-optimization/37892
396 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
397 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
398 (valueize_refs): Call it for *& valueizations.
399 (shared_reference_ops_from_ref): Rename to ...
400 (valueize_shared_reference_ops_from_ref): ... this and valueize.
401 (shared_reference_ops_from_call): Rename to ...
402 (valueize_shared_reference_ops_from_call): ... this and valueize.
403 (vn_reference_lookup): Update.
404 (visit_reference_op_call): Likewise.
405 * tree-ssa-pre.c (phi_translate_1): Fold *&.
406 (eliminate): Value-replace the call address in call statements.
408 2009-04-04 Richard Guenther <rguenther@suse.de>
410 PR tree-optimization/39636
411 * tree-ssa-forwprop.c
412 (forward_propagate_addr_into_variable_array_index): Check for
413 GIMPLE_ASSIGN before accessing the rhs code.
415 2009-04-03 Jason Merrill <jason@redhat.com>
417 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
419 2009-04-03 Steve Ellcey <sje@cup.hp.com>
421 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
422 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
423 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
424 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
425 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
426 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
427 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
428 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
429 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
430 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
431 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
432 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
433 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
434 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
435 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
436 Use fr_reg_or_fp01_operand instead of fr_register_operand
438 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
439 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
440 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
442 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
444 PR rtl-optimization/39607
445 PR rtl-optimization/39631
447 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
448 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
449 instead of DF_LR_OUT.
450 * ira-lives.c (process_bb_node_lives): Ditto.
451 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
452 instead of DF_LR_{OUT,IN}.
453 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
454 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
456 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
458 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
459 (execute_lower_omp): Always run but take the short way out if -fopenmp
461 (gate_lower_omp): Remove, forcing the pass manager to always run the
462 pass and always set PROP_gimple_lomp.
463 (pass_lower_omp): Remove gate function.
464 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
465 PROP_trees. Instead, require it.
466 * ipa-cp.c (pass_ipa_cp): Likewise.
467 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
468 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
469 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
472 2009-04-03 Richard Guenther <rguenther@suse.de>
475 PR tree-optimization/23940
476 PR tree-optimization/33237
479 PR tree-optimization/36201
480 PR tree-optimization/36230
481 PR tree-optimization/38049
482 PR tree-optimization/38207
483 PR tree-optimization/38230
484 PR tree-optimization/38301
485 PR tree-optimization/38585
487 PR tree-optimization/38985
488 PR tree-optimization/39299
489 * tree-ssa-structalias.h: Remove.
490 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
491 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
492 (struct vuse_element_d): Remove.
493 (struct vuse_vec_d): Likewise.
494 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
495 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
496 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
497 VUSE_ELEMENT_VAR): Likewise.
498 (struct voptype_d): Likewise.
499 (NUM_VOP_FREE_BUCKETS): Likewise.
500 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
501 (struct stmt_operands_d): Remove.
502 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
503 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
504 VDEF_NUM, VDEF_VECT): Likewise.
505 (copy_virtual_operands): Remove.
506 (operand_build_cmp): Likewise.
507 (create_ssa_artificial_load_stmt): Likewise.
508 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
509 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
510 vuse_index and mayuse_index members. Pack and move done and iter_type
511 members to the front.
512 (SSA_OP_VMAYUSE): Remove.
513 (SSA_OP_VIRTUAL_USES): Adjust.
514 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
515 (unlink_stmt_vdef): Declare.
516 (add_to_addressable_set): Remove.
517 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
518 (vrp_visit_stmt): Likewise.
519 * doc/tree-ssa.texi (Alias analysis): Update.
520 * doc/invoke.texi (max-aliased-vops): Remove docs.
521 (avg-aliased-vops): Likewise.
522 * tree-into-ssa.c (syms_to_rename): Remove.
523 (need_to_update_vops_p): Likewise.
524 (need_to_initialize_update_ssa_p): Rename to ...
525 (update_ssa_initialized_fn): ... this. Track function we are
527 (symbol_marked_for_renaming): Simplify.
528 (add_new_name_mapping): Do not set need_to_update_vops_p.
529 (dump_currdefs): Use SYMS_TO_RENAME.
530 (rewrite_update_stmt): Always walk all uses/defs.
531 (dump_update_ssa): Adjust.
532 (init_update_ssa): Take function argument. Track what we are
534 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
535 (create_new_def_for): Initialize for cfun, assert we are initialized
537 (mark_sym_for_renaming): Simplify.
538 (mark_set_for_renaming): Do not initialize update-ssa.
539 (need_ssa_update_p): Simplify. Take function argument.
540 (name_mappings_registered_p): Assert we ask for the correct function.
541 (name_registered_for_update_p): Likewise.
542 (ssa_names_to_replace): Likewise.
543 (release_ssa_name_after_update_ssa): Likewise.
544 (update_ssa): Likewise. Use SYMS_TO_RENAME.
545 (dump_decl_set): Do not print a newline.
546 (debug_decl_set): Do it here.
547 (dump_update_ssa): And here.
548 * tree-ssa-loop-im.c (move_computations): Adjust.
549 (movement_possibility): Likewise.
550 (determine_max_movement): Likewise.
551 (gather_mem_refs_stmt): Likewise.
552 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
554 * tree-complex.c (update_all_vops): Remove.
555 (expand_complex_move): Adjust.
556 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
557 Simplify test for memory referencing statement. Exclude
558 non-invariant ADDR_EXPRs.
559 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
560 * tree-loop-distribution.c (generate_memset_zero): Adjust.
561 (rdg_flag_uses): Likewise.
562 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
564 (tree_optimize_tail_calls_1): Also split the
565 edge from the entry block if we have degenerate PHI nodes in
566 the first basic block.
567 * tree.c (init_ttree): Remove memory-tag related code.
568 (tree_code_size): Likewise.
569 (tree_node_structure): Likewise.
570 (build7_stat): Re-write to be build6_stat.
571 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
573 (struct tree_memory_tag): Remove.
574 (struct tree_memory_partition_tag): Likewise.
575 (union tree_node): Adjust.
576 (build7): Re-write to be build6.
577 * tree-pass.h (pass_reset_cc_flags): Remove.
578 (TODO_update_address_taken): New flag.
579 (pass_simple_dse): Remove.
580 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
581 * params.h (MAX_ALIASED_VOPS): Remove.
582 (AVG_ALIASED_VOPS): Likewise.
583 * omp-low.c (expand_omp_taskreg): Update SSA form.
584 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
585 aliases the lhs in a copy stmt.
586 * tree-ssa-dse.c (struct address_walk_data): Remove.
587 (memory_ssa_name_same): Likewise.
588 (memory_address_same): Likewise.
589 (get_kill_of_stmt_lhs): Likewise.
590 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
591 unused stores. Look through PHI nodes into post-dominated regions.
592 (dse_optimize_stmt): Simplify. Properly remove stores.
593 (tree_ssa_dse): Compute dominators.
594 (execute_simple_dse): Remove.
595 (pass_simple_dse): Likewise.
596 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
597 gimple_loaded_syms and gimple_stored_syms computation.
598 * toplev.c (dump_memory_report): Dump alias and pta stats.
599 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
600 (vn_reference_eq): Likewise.
601 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
602 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
603 valueize_vuses): Remove.
604 (get_def_ref_stmt_vuses): Simplify. Rename to ...
605 (get_def_ref_stmt_vuse): ... this.
606 (vn_reference_lookup_2): New function.
607 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
608 walking equivalent vuses. Simplify.
609 (vn_reference_lookup): Likewise.
610 (vn_reference_insert): Likewise.
611 (vn_reference_insert_pieces): Likewise.
612 (visit_reference_op_call): Simplify.
613 (visit_reference_op_load): Likewise.
614 (visit_reference_op_store): Likewise.
615 (init_scc_vn): Remove shared_lookup_vuses initialization.
616 (free_scc_vn): Remove shared_lookup_vuses freeing.
617 (sort_vuses, sort_vuses_heap): Remove.
618 (get_ref_from_reference_ops): Export.
619 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
620 vector with single vuse pointer.
621 (vn_reference_lookup_pieces, vn_reference_lookup,
622 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
623 (shared_vuses_from_stmt): Remove.
624 (get_ref_from_reference_ops): Declare.
625 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
626 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
627 memory-tag related code.
628 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
629 (likely_value): Add comment, skip static-chain of call statements.
630 (surely_varying_stmt_p): Adjust.
631 (gimplify_and_update_call_from_tree): Likewise.
632 (execute_fold_all_builtins): Do not rebuild alias info.
633 (gimplify_and_update_call_from_tree): Properly update VOPs.
634 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
635 (copy_ref_info): Remove memory-tag related code.
636 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
637 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
638 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
640 * tree-ssa-dom.c (gimple_p): Remove typedef.
641 (eliminate_redundant_computations): Adjust.
642 (record_equivalences_from_stmt): Likewise.
643 (avail_expr_hash): Likewise.
644 (avail_expr_eq): Likewise.
645 * tree-ssa-propagate.c (update_call_from_tree): Properly
647 (stmt_makes_single_load): Likewise.
648 (stmt_makes_single_store): Likewise.
649 * tree-ssa-alias.c: Rewrite completely.
650 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
651 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
652 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
653 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
654 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
655 Remove public functions.
656 (pass_reset_cc_flags): Remove.
657 (pass_build_alias): Move ...
658 * tree-ssa-structalias.c (pass_build_alias): ... here.
659 * tree-ssa-alias.c (may_be_aliased): Move ...
660 * tree-flow-inline.h (may_be_aliased): ... here.
661 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
662 count_uses_and_derefs): Move ...
663 * gimple.c: ... here.
664 * gimple.h (count_uses_and_derefs): Declare.
665 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
666 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
667 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
668 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
669 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
670 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
671 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
673 * tree-dfa.c (refs_may_alias_p): Move ...
674 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
675 * tree-ssa-alias.h: New file.
676 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
677 (statement_sink_location): Likewise.
678 * opts.c (decode_options): Do not adjust max-aliased-vops or
679 avg-aliased-vops values.
680 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
681 (TV_CALL_CLOBBER): Likewise.
682 (TV_FLOW_SENSITIVE): Likewise.
683 (TV_FLOW_INSENSITIVE): Likewise.
684 (TV_MEMORY_PARTITIONING): Likewise.
685 (TV_ALIAS_STMT_WALK): New timevar.
686 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
687 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
688 (get_address_description): Remove memory-tag related code.
689 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
690 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
691 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
692 and immediate uses in statements. Document.
693 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
694 (dump_symbols): Remove.
695 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
696 * alias.c (get_deref_alias_set): New function split out from ...
697 (get_alias_set): ... here.
698 * alias.h (get_deref_alias_set): Declare.
699 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
700 type parameter. Remove restrict pointer handling. Create a
701 ref-all pointer in case type-based alias sets do not conflict.
702 (vect_analyze_data_refs): Remove SMT related code.
703 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
704 (vectorizable_load): Likewise.
705 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
706 (DR_SYMBOL_TAG, DR_VOPS): Remove.
707 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
708 Ignore vops and SMTs.
709 (dr_analyze_alias): Likewise..
710 (free_data_ref): Likewise.
711 (create_data_ref): Likewise.
712 (analyze_all_data_dependences): Likewise.
713 (get_references_in_stmt): Adjust.
714 * tree-flow-inline.h (gimple_aliases_computed_p,
715 gimple_addressable_vars, gimple_call_clobbered_vars,
716 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
717 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
718 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
719 gimple_mem_ref_stats): Remove.
720 (gimple_vop): New function.
721 (op_iter_next_use): Remove vuses and mayuses cases.
722 (op_iter_next_def): Remove vdefs case.
723 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
724 (clear_and_done_ssa_iter): Do not set removed fields.
725 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
726 Assert we are not iterating over vuses or vdefs if not also
727 iterating over uses or defs.
728 (op_iter_init_use): Likewise.
729 (op_iter_init_def): Likewise.
730 (op_iter_next_vdef): Remove.
731 (op_iter_next_mustdef): Likewise.
732 (op_iter_init_vdef): Likewise.
733 (compare_ssa_operands_equal): Likewise.
734 (link_use_stmts_after): Handle vuse operand.
735 (is_call_used): Use is_call_clobbered.
736 (is_call_clobbered): Global variables are always call clobbered,
737 query the call-clobbers bitmap.
738 (mark_call_clobbered): Ignore global variables.
739 (clear_call_clobbered): Likewise.
740 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
741 virtual operands sanity check.
742 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
744 (TARGET_MEM_REF): Remove TMR_TAG operand.
745 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
746 Remove call-clobber related code.
747 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
748 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
749 partitions or escape reason.
750 (get_single_def_stmt, get_single_def_stmt_from_phi,
751 get_single_def_stmt_with_phi): Remove.
752 (dump_referenced_vars): Tidy.
753 (get_ref_base_and_extent): Allow bare decls.
754 (collect_dfa_stats): Adjust.
755 * graphite.c (rename_variables_in_stmt): Adjust.
756 (graphite_copy_stmts_from_block): Likewise.
757 (translate_clast): Likewise.
758 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
760 (translate_vuse_through_block): Use the oracle.
761 (phi_translate_1): Adjust.
762 (value_dies_in_block_x): Use the oracle. Cache the outcome
764 (valid_in_sets): Check if the VUSE for
765 a REFERENCE is available.
766 (eliminate): Do not remove stmts during elimination,
767 instead queue and remove them afterwards.
768 (do_pre): Do not rebuild alias info.
769 (pass_pre): Run TODO_rebuild_alias before PRE.
770 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
771 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
772 (mark_all_v_defs_stmt): Remove.
773 (mark_all_v_defs_seq): Adjust.
774 (sra_replace): Likewise.
775 (scalarize_use): Likewise.
776 (scalarize_copy): Likewise.
777 (scalarize_init): Likewise.
778 (scalarize_ldst): Likewise.
780 (tree_sra): Do not rebuild alias info.
781 (tree_sra_early): Adjust.
782 (pass_sra): Run TODO_update_address_taken before SRA.
783 * tree-predcom.c (set_alias_info): Remove.
784 (prepare_initializers_chain): Do not call it.
785 (mark_virtual_ops_for_renaming): Adjust.
786 (mark_virtual_ops_for_renaming_list): Remove.
787 (initialize_root_vars): Adjust.
788 (initialize_root_vars_lm): Likewise.
789 (prepare_initializers_chain): Likewise.
790 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
791 (may_propagate_copy_into_stmt): Likewise.
792 (merge_alias_info): Do nothing for now.
793 (propagate_tree_value_into_stmt): Adjust.
794 (stmt_may_generate_copy): Likewise.
795 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
796 not mark symbols for renaming.
797 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
798 with the same statement, make sure to update the new pointed-to one.
799 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
800 call statements, do not mark symbols for renaming.
801 (mark_operand_necessary): Dump something.
802 (ref_may_be_aliased): New function.
803 (mark_aliased_reaching_defs_necessary_1): New helper function.
804 (mark_aliased_reaching_defs_necessary): Likewise.
805 (mark_all_reaching_defs_necessary_1): Likewise.
806 (mark_all_reaching_defs_necessary): Likewise.
807 (propagate_necessity): Do not process virtual PHIs. For
808 non-aliased loads mark all reaching definitions as necessary.
809 For aliased loads and stores mark the immediate dominating
810 aliased clobbers as necessary.
811 (visited): New global static.
812 (perform_tree_ssa_dce): Free visited bitmap after propagating
814 (remove_dead_phis): Perform simple dead virtual PHI removal.
815 (remove_dead_stmt): Properly unlink virtual operands when
817 (eliminate_unnecessary_stmts): Schedule PHI removal after
819 * tree-ssa-ter.c (is_replaceable_p): Adjust.
820 (process_replaceable): Likewise.
821 (find_replaceable_in_bb): Likewise.
822 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
823 based on the single gimple vop.
824 (verify_flow_insensitive_alias_info): Remove.
825 (verify_flow_sensitive_alias_info): Likewise.
826 (verify_call_clobbering): Likewise.
827 (verify_memory_partitions): Likewise.
828 (verify_alias_info): Likewise.
829 (verify_ssa): Adjust..
830 (execute_update_addresses_taken): Export. Update SSA
831 manually. Optimize only when optimizing. Use a local bitmap.
832 (pass_update_address_taken): Remove TODO_update_ssa, add
834 (pass_update_address_taken): Just use TODO_update_address_taken.
835 (init_tree_ssa): Do not initialize addressable_vars.
836 (verify_ssa): Verify new VUSE / VDEF properties.
837 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
838 Do not call verify_alias_info.
839 (delete_tree_ssa): Clear the VUSE, VDEF operands.
840 Do not free the loaded and stored syms bitmaps. Reset the escaped
841 and callused solutions. Do not free addressable_vars.
842 Remove memory-tag related code.
843 (warn_uninitialized_var): Aliases are always available.
844 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
845 * lambda-code.c (can_put_in_inner_loop): Adjust.
846 (can_put_after_inner_loop): Likewise.
847 (perfect_nestify): Likewise.
848 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
849 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
850 (vectorizable_conversion): Do not mark symbols for renaming.
851 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
852 (expand_call_inline): Unlink the calls virtual operands before
854 (tree_function_versioning): Do not call update_ssa if we are not
855 updating clones. Simplify.
856 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
857 (propagate_with_phi): Likewise..
858 * tree-outof-ssa.c (create_temp): Remove memory tag and call
859 clobber code. Assert we are not aliased or global.
860 * tree-flow.h: Include tree-ssa-alias.h
861 (enum escape_type): Remove.
862 (struct mem_sym_stats_d): Likewise.
863 (struct mem_ref_stats_d): Likewise.
864 (struct gimple_df): Add vop member. Remove global_var,
865 call_clobbered_vars, call_used_vars, addressable_vars,
866 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
867 escaped and callused members.
868 (struct ptr_info_def): Remove all members, add points-to solution
870 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
871 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
872 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
873 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
874 (tree-ssa-alias.o): Likewise.
875 (toplev.o): Add tree-ssa-alias.h
876 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
877 * gimple.c (gimple_set_bb): Fix off-by-one error.
878 (is_gimple_reg): Do not handle memory tags.
879 (gimple_copy): Also copy virtual operands.
880 Delay updating the statement. Do not reset loaded and stored syms.
881 (gimple_set_stored_syms): Remove.
882 (gimple_set_loaded_syms): Likewise.
883 (gimple_call_copy_skip_args): Copy the virtual operands
884 and mark the new statement modified.
885 * tree-ssa-structalias.c (may_alias_p): Remove.
886 (set_uids_in_ptset): Take the alias set to prune with as
887 parameter. Fold in the alias test of may_alias_p.
888 (compute_points_to_sets): Compute whether a ptr is dereferenced
890 (process_constraint): Deal with &ANYTHING on the lhs, reject all
891 other ADDRESSOF constraints on the lhs.
892 (get_constraint_for_component_ref): Assert that we don't get
893 ADDRESSOF constraints from the base of the reference.
894 Properly generate UNKNOWN_OFFSET for DEREF if needed.
895 (struct variable_info): Remove collapsed_to member.
896 (get_varinfo_fc): Remove.
897 (new_var_info): Do not set collapsed_to.
898 (dump_constraint): Do not follow cycles.
899 (dump_constraint_graph): Likewise.
900 (build_pred_graph): Likewise.
901 (build_succ_graph): Likewise.
902 (rewrite_constraints): Likewise.
903 (do_simple_structure_copy): Remove.
904 (do_rhs_deref_structure_copy): Remove.
905 (do_lhs_deref_structure_copy): Remove.
906 (collapse_rest_of_var): Remove.
907 (do_structure_copy): Re-implement.
908 (pta_stats): New global variable.
909 (dump_pta_stats): New function.
910 (struct constraint_expr): Make offset signed.
911 (UNKNOWN_OFFSET): Define special value.
912 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
913 (solution_set_expand): New helper function split out from ...
914 (do_sd_constraint): ... here.
915 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
916 (do_ds_constraint): Likewise.
917 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
918 and CALLUSED = *CALLUSED.
919 (set_union_with_increment): Make inc argument signed.
921 (get_constraint_for_ptr_offset): Handle unknown and negative
923 (first_vi_for_offset): Handle offsets before start. Bail
924 out early for offsets beyond the variable extent.
925 (first_or_preceding_vi_for_offset): New function.
926 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
927 Together with ESCAPED = *ESCAPED this properly computes reachability.
928 (find_what_var_points_to): New function.
929 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
930 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
931 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
932 pt_solutions_intersect): New functions.
933 (compute_call_used_vars): Remove.
934 (compute_may_aliases): New main entry into PTA computation.
935 * gimple.h (gimple_p): New typedef.
936 (struct gimple_statement_base): Remove references_memory_p.
937 (struct gimple_statement_with_memory_ops_base): Remove
938 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
940 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
941 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
942 gimple_set_references_memory): Remove.
943 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
944 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
946 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
947 (verify_expr): Allow RESULT_DECL.
948 (gimple_duplicate_bb): Do not copy virtual operands.
949 (gimple_duplicate_sese_region): Adjust.
950 (gimple_duplicate_sese_tail): Likewise.
951 (mark_virtual_ops_in_region): Remove.
952 (move_sese_region_to_fn): Do not call it.
953 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
955 (execute_function_todo): Handle TODO_update_address_taken,
956 call execute_update_addresses_taken for TODO_rebuild_alias.
957 (execute_todo): Adjust.
958 (execute_one_pass): Init dump files early.
959 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
961 (create_general_new_stmt): Clear vops.
962 * tree-ssa-reassoc.c (get_rank): Adjust.
963 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
964 symbols for renaming.
965 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
966 (PARAM_AVG_ALIASED_VOPS): Likewise.
967 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
968 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
969 * tree-ssa-operands.c: Simplify for new virtual operand
971 (operand_build_cmp, copy_virtual_operands,
972 create_ssa_artificial_load_stmt, add_to_addressable_set,
973 gimple_add_to_addresses_taken): Remove public functions.
974 (unlink_stmt_vdef): New function.
976 2009-04-03 Alan Modra <amodra@bigpond.net.au>
978 * config.gcc (powerpc-*-linux*): Merge variants.
980 2009-04-02 Chao-ying Fu <fu@mips.com>
981 James Grosbach <james.grosbach@microchip.com>
983 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
984 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
986 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
987 keep_interrupts_masked_p, use_debug_exception_return_p.
988 (mips_attribute_table): Add interrupt, use_shadow_register_set,
989 keep_interrupts_masked, use_debug_exception_return.
990 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
991 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
993 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
994 (mips_print_operand): Process COP0 registers to print $0 .. $31
995 correctly for GAS to process.
996 (mips_interrupt_extra_call_saved_reg_p): New function.
997 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
999 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1000 (mips_compute_frame_info): Add supports for interrupt context that
1001 includes doubleword accumulators and COP0 registers.
1002 (mips_for_each_saved_acc): New function.
1003 (mips_for_each_saved_gpr_and_fpr): Change the function name from
1004 mips_for_each_saved_reg.
1005 (mips_save_reg): Save accumulators.
1006 (mips_kernel_reg_p): A new for_each_rtx callback.
1007 (mips_expand_prologue): Support interrupt handlers.
1008 (mips_restore_reg): Restore accumulators.
1009 (mips_expand_epilogue): Support interrupt handlers.
1010 (mips_can_use_return_insn): Return false for interrupt handlers.
1011 (mips_epilogue_uses): New function.
1012 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1013 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1014 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1015 cop0_move): New instructions.
1016 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1017 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1019 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1021 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1022 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1023 interrupt handlers, we use K0 as the temporary register.
1024 (EPILOGUE_USES): Change to a function call.
1025 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1026 handlers, we use K0 as the temporary register.
1028 * doc/extend.texi (Function Attributes): Document interrupt,
1029 use_shadow_register_set, keep_interrupts_masked,
1030 use_debug_exception_return for MIPS attributes.
1032 2009-04-03 Alan Modra <amodra@bigpond.net.au>
1034 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1035 Remove a number of t-files from tmake_file.
1036 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1037 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1038 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1039 target_prototype, not TARGET_PROTOTYPE.
1040 (LINK_OS_GNU_SPEC): Define.
1041 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1042 and darwin-ldoubdle.c.
1044 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
1047 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1048 (cpp_options): Ditto.
1049 (default_compilers): Ditto.
1050 (display_help): Ditto.
1051 (process_command): Ditto.
1053 (set_input): Use lbasename instead of duplicate code.
1054 (save_temps_prefix): New static for -save-temps=obj.
1055 (save_temps_length): Ditto.
1057 * doc/invoke.texi (-save-temps=obj): Document new variant to
1060 2009-04-02 Jeff Law <law@redhat.com>
1062 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1065 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1067 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1068 * configure: Regenerated.
1070 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1072 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1073 share the argument list.
1075 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1079 2009-02-12 Diego Novillo <dnovillo@google.com>
1081 * varpool.c (debug_varpool): New.
1082 * cgraph.h (debug_varpool): Declare.
1084 2009-04-02 Jan Hubicka <jh@suse.cz>
1086 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1089 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1091 * config/i386/i386.c (ix86_abi): Move initialization to ...
1092 (override_options): Here.
1094 2009-04-02 Christian Bruel <christian.bruel@st.com>
1096 * config/sh/sh.c (sh_dwarf_register_span): New function.
1097 (TARGET_DWARF_REGISTER_SPAN): Define.
1098 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1100 2009-04-02 Ira Rosen <irar@il.ibm.com>
1102 PR tree-optimization/39595
1103 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1104 interleaved loads group is not greater than the SLP group size.
1106 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
1108 * builtins.c (is_builtin_name): New.
1109 (called_as_built_in): Use is_builtin_name.
1110 * tree.h (is_builtin_name): New.
1111 * varasm.c (incorporeal_function_p): Use is_builtin_name
1113 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
1115 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1117 2009-04-02 Dodji Seketeli <dodji@redhat.com>
1120 * c-decl.c: (clone_underlying_type): Move this ...
1121 * c-common.c (set_underlying_type): ... here.
1122 Also, make sure the function properly sets TYPE_STUB_DECL() on
1123 the newly created typedef variant type.
1124 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
1125 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
1127 2009-04-02 Richard Guenther <rguenther@suse.de>
1129 PR tree-optimization/37221
1130 * tree-flow.h (degenerate_phi_result): Declare.
1131 * tree-ssa-dom.c (degenerate_phi_result): Export.
1132 * tree-scalar-evolution.c (analyze_initial_condition): If
1133 the initial condition is defined by a degenerate PHI node
1134 use the degenerate value.
1136 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1138 PR rtl-optimization/39588
1139 * combine.c (merge_outer_ops): Do not set the constant when this
1141 (simplify_shift_const_1): Do not modify it either in this case.
1143 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1145 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1146 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1148 2009-04-01 Janis Johnson <janis187@us.ibm.com>
1151 * c-lex.c (interpret_float): Default (no suffix) is double.
1153 2009-04-1 Xinliang David Li <davidxl@google.com>
1155 * config/i386/i386.c (legitimate_constant_p): Recognize
1156 all one vector constant.
1158 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1160 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1161 Change #include order to silence two warnings.
1163 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1165 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1166 (ASM_SPEC): Pass -k to the assembler for PIC code.
1168 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1170 * gcc/config.gcc: Add vax-*-linux* to the switch.
1171 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1172 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1174 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1176 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1177 Use predicate macros instead of GET_CODE() == foo.
1178 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1179 ashlsi3, rotrsi3, <unnamed>): Likewise.
1181 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1183 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1184 jbbccihi, jbbccisi): Remova trailing whitespace.
1185 * gcc/config/vax/constraints.md: Likewise.
1186 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1187 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1188 * gcc/config/vax/predicates.md: Likewise.
1189 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1190 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1191 * gcc/config/vax/vax.h: Likewise.
1192 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1194 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1196 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1197 (indirectable_address_p, adjacent_operands_p): Add spaces around
1199 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1201 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1203 * gcc/config/vax/vax.c (legitimate_constant_address_p,
1204 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1205 index_term_p, reg_plus_index_p, legitimate_address_p,
1206 vax_mode_dependent_address_p): Update comments to match functions
1207 modified by the recent int->bool conversion.
1209 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1211 * gcc/config/vax/builtins.md: Update copyright message.
1212 * gcc/config/vax/constraints.md: Likewise.
1213 * gcc/config/vax/netbsd-elf.h: Likewise.
1214 * gcc/config/vax/predicates.md: Likewise.
1215 * gcc/config/vax/vax-protos.h: Likewise.
1216 * gcc/config/vax/vax.c: Likewise.
1217 * gcc/config/vax/vax.h: Likewise.
1218 * gcc/config/vax/vax.md: Likewise.
1219 * gcc/config/vax/vax.opt: Likewise.
1221 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
1223 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1224 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1225 * gcc/config/vax/constraints.md (B, R): Likewise.
1226 * gcc/config/vax/predicates.md (external_memory_operand,
1227 nonimmediate_addsub_di_operand): Likewise.
1228 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1229 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1230 untyped_call): Likewise.
1232 2009-04-01 Matt Thomas <matt@3am-software.com>
1234 * config/vax/predicates.md: New file. (symbolic_operand,
1235 local_symbolic_operand, external_symbolic_operand,
1236 external_const_operand, nonsymbolic_operand, external_memory_operand,
1237 indirect_memory_operand, indexed_memory_operand,
1238 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1239 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1241 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
1242 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
1243 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
1244 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
1245 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
1246 * config/vax/vax.opt (mqmath): Add option.
1247 * config/vax/vax.md (isfx): Extend with DI.
1248 (VAXintQH, VAXintQHSD): Define.
1249 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
1250 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
1251 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
1252 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
1253 (movdi): Update constraints and use vax_output_int_move().
1254 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1255 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1256 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1257 nonlocal_goto): New.
1258 (mov<mode>): Extend accepted operand types.
1259 (subdi3_old): Rename from subdi3, change update constraints and use
1260 a new implementation.
1261 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1262 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1263 MOVE_RATIO, CLEAR_RATIO): Define.
1264 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1265 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1266 (PRINT_OPERAND): Redefine using a function instead of inlined code.
1267 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1268 (split_quadword_operands): Make static and really allow variable
1270 (print_operand_address): Update for PIC generation.
1271 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1272 indexable_address_p, fixup_mathdi_operand,
1273 vax_expand_addsub_di_operands, adjacent_operands_p): New.
1274 (vax_float_literal, legitimate_constant_p,
1275 indirectable_constant_address_p, index_term_p,
1276 reg_plus_index_p): Return bool instead of int.
1277 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1279 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1281 (vax_output_conditional_branch): Indent.
1282 (legitimate_constant_address_p, indirectable_constant_address_p,
1283 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1284 vax_mode_dependent_address_p): Return bool instead of int, update for
1286 * config/vax/vax-protos.h (legitimate_constant_address_p,
1287 legitimate_constant_p, legitimate_address_p,
1288 vax_mode_dependent_address_p): Change declaration to bool.
1289 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1290 vax_expand_addsub_di_operands, vax_output_int_subtract,
1291 vax_output_movmemsi): Declare.
1292 (split_quadword_operands, vax_float_literal): Delete declaration.
1293 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1294 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1295 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1296 ASM_OUTPUT_DWARF_PCREL): Define.
1297 (ASM_SPEC): Change definition to allow PIC generation.
1299 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1302 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1303 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1304 (booldi3_internal3): Use boolean_or_operator instead of
1307 2009-04-01 Joseph Myers <joseph@codesourcery.com>
1310 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1311 declarator whose size is not an integer constant expression but
1312 folds to an integer constant, then treat it as a constant
1315 2009-04-01 Richard Guenther <rguenther@suse.de>
1317 * fold-const.c (fold_plusminus_mult_expr): Do not fold
1318 i * 4 + 2 to (i * 2 + 1) * 2.
1320 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1323 * c-parser.c (c_parser_asm_statement): Skip until close paren and
1324 return if c_parser_asm_string_literal returned NULL.
1326 2009-04-01 Nick Clifton <nickc@redhat.com>
1328 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1330 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1331 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
1332 other typedefs to avoid conflicts with libgcc2.c. Define labels
1333 to gain 16-bit bit-manipulation functions from libgcc2.c and then
1335 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
1336 to gain 16-bit trapping arithmetic functions from libgcc2.c and
1339 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
1341 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1343 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
1344 Andrey Galkin <agalkin@hypercom.com>
1347 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1348 Make object_name unique for each process.
1350 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1353 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1354 addressable variables in the parallel that could go out of scope while
1355 running queued tasks.
1357 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1359 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1360 (CASE_VALUES_THRESHOLD): Redefine.
1361 * config/avr/avr.c (avr_override_options): Remove initialization of
1362 avr_case_values_threshold variable.
1363 (avr_case_values_threshold): Remove variable. Add new function.
1364 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1365 * config/avr/avr.opt (mno-tablejump): Remove option.
1366 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1368 2009-04-01 DJ Delorie <dj@redhat.com>
1370 * varasm.c (default_function_rodata_section): Don't assume
1371 anything about where the first '.' in the section name is.
1373 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1375 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1376 rs6000_emit_stack_tie.
1378 2009-03-31 Ian Lance Taylor <iant@google.com>
1380 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1381 gimple_code with GIMPLE_RESX, not RESX.
1383 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1385 * c-common.c (c_get_ident): New.
1386 (c_common_nodes_and_builtins): Call it for type names that may be
1389 2009-04-01 Ben Elliston <bje@au.ibm.com>
1391 * config/rs6000/sysv4.opt (msdata): Improve option description.
1393 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1395 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1396 (divdf3_internal_lat): Remove.
1397 (divxf3_internal_lat): Remove.
1398 (divxf3_internal_thr): Remove.
1399 (divxf): Use divxf3_internal.
1400 * config/ia64/div.md (divsf3_internal_lat): New.
1401 (divdf3_internal_lat): New.
1402 (divxf3_internal): New.
1404 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1407 * Makefile.in (USE_GCC_STDINT): Define.
1408 (stmp-int-hdrs): Install stdint.h if applicable.
1409 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1411 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1412 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1413 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1414 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1415 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1416 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1417 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1418 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1419 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1420 (c_common_nodes_and_builtins): Initialize
1421 underlying_wchar_type_node. Do not initialize
1422 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1423 nodes for new types.
1424 (c_stddef_cpp_builtins): Define macros for new types.
1425 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1427 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1428 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1429 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1430 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1431 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1432 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1433 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1434 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1435 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1436 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1437 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1438 int16_type_node, int32_type_node, int64_type_node,
1439 uint8_type_node, uint16_type_node, c_uint32_type_node,
1440 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1441 int_least32_type_node, int_least64_type_node,
1442 uint_least8_type_node, uint_least16_type_node,
1443 uint_least32_type_node, uint_least64_type_node,
1444 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1445 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1446 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1447 uintptr_type_node): Define.
1448 * c-cppbuiltin.c (builtin_define_constants,
1449 builtin_define_type_minmax): New.
1450 (builtin_define_stdint_macros): Define more macros.
1451 (c_cpp_builtins): Define more limit macros.
1453 (builtin_define_type_max): Define in terms of
1454 builtin_define_type_minmax. Remove is_long parameter. All
1456 * config.gcc (use_gcc_stdint): Define.
1457 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1458 Add newlib-stdint.h for generic targets.
1459 * config/glibc-stdint.h, config/newlib-stdint.h,
1460 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1461 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1462 * config/score/score.h (UINTPTR_TYPE): Define.
1463 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1464 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1465 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1466 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1467 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1468 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1469 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1470 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1471 * config/spu/spu.h (STDINT_LONG32): Define.
1472 * configure.ac (use_gcc_stdint): Substitute.
1473 * configure: Regenerate.
1474 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1475 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1476 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1477 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1478 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1479 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1480 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1481 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1482 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1483 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1484 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1485 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1486 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1487 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1488 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1489 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1490 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1491 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1492 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1493 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1494 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1495 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1496 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1497 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1498 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1499 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1500 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1501 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1502 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1504 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1506 * loop-iv.c (suitable_set_for_replacement): Renamed from
1507 simplify_using_assignment; changed to return bool and to accept new
1508 args DEST and SRC. Return true iff we find a source/destination pair
1509 that can be used to make a replacement, and fill SRC and DEST if so.
1510 Remove arg ALTERED. Don't deal with altered regs here. All callers
1512 (simplify_using_initial_values): Deal with altered regs here and track
1513 more precisely the effect they have on the validity of our expression.
1515 * loop-iv.c (simplify_using_condition): A condition of the form
1516 (EQ REG CONST) can be used to simply make a substitution.
1517 (simplify_using_initial_values): Keep track of conditions we have seen
1518 and keep using them to simplify new expressions, while applying the
1519 same substitutions to them as to the expression.
1521 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1522 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1525 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1526 changed. Use this when trying to improve the upper bound.
1527 Generate the comparison by using simplify_gen_relational.
1529 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1531 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1533 (simplify_using_assignment, simplify_using_initial_values): Call
1534 replace_in_expr to make replacements. Call replace_single_def_regs
1535 once on the initial version of the expression.
1537 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1540 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1542 2009-03-31 Richard Guenther <rguenther@suse.de>
1545 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1546 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1548 2009-03-31 Richard Guenther <rguenther@suse.de>
1550 * tree.h (div_if_zero_remainder): Declare.
1551 * fold-const.c (div_if_zero_remainder): Export.
1552 * tree-ssa-forwprop.c
1553 (forward_propagate_addr_into_variable_array_index): Handle
1554 constant array index addition outside of the variable index.
1556 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1559 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1560 define_splits, floatunssi<mode>2): Require x87 conversions from
1561 DImode to be permitted.
1563 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1565 PR preprocessor/15638
1566 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1568 2009-03-31 Richard Guenther <rguenther@suse.de>
1572 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1573 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1574 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1575 a separate statement.
1576 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1577 (lookup_tmp_var): Likewise.
1578 (is_gimple_formal_tmp_or_call_rhs): Remove.
1579 (is_gimple_reg_or_call_rhs): Rename to ...
1580 (is_gimple_reg_rhs_or_call): ... this.
1581 (is_gimple_mem_or_call_rhs): Rename to ...
1582 (is_gimple_mem_rhs_or_call): ... this.
1583 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1584 DECL_GIMPLE_REG_P only if is_formal is true.
1585 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1586 for non-proper post-modify expression gimplification.
1587 (gimplify_self_mod_expr): For post-modify expressions gimplify
1588 the lvalue to a minimal lvalue.
1589 (rhs_predicate_for): Remove formal temp case.
1590 (gimplify_modify_expr_rhs): Likewise.
1591 (gimplify_addr_expr): Use is_gimple_reg.
1592 (gimplify_expr): Remove formal temp cases.
1593 (gimple_regimplify_operands): Likewise.
1594 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1595 and FILTER_EXPR like constants.
1596 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1598 (is_gimple_formal_tmp_rhs): Remove.
1599 (is_gimple_reg_rhs): Remove special casing.
1600 (is_gimple_mem_rhs): Fix.
1601 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1602 (is_gimple_formal_tmp_var): Remove.
1603 (is_gimple_formal_tmp_reg): Likewise.
1604 (is_gimple_min_lval): Allow invariant component ref parts.
1605 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1606 is_gimple_formal_tmp_reg): Remove declarations.
1607 * tree-cfg.c (verify_expr): Verify that variables with address
1608 taken do not have DECL_GIMPLE_REG_P set.
1609 * tree-mudflap.c (mf_build_check_statement_for): Use
1610 force_gimple_operand instead of gimplify_expr.
1612 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1614 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1615 schedulable rows to compute_split_row.
1617 2009-03-31 Ben Elliston <bje@au.ibm.com>
1620 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1623 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1625 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1626 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1627 * configure: Regenerate.
1628 * config.in: Regenerate.
1629 * config/rs6000/rs6000.opt (mtls-markers): Add.
1630 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1631 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1632 (tls_ld_aix, tls_ld_sysv): Likewise.
1633 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1634 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1636 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1638 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1640 2009-03-30 Jan Hubicka <jh@suse.cz>
1642 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1644 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1645 detection and label handling.
1647 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1649 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1650 left_conflicts_size.
1651 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1652 ALLOCNO_LEFT_CONFLICTS_SIZE.
1654 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1655 remove_allocno_from_bucket_and_push,
1656 allocno_spill_priority_compare, push_allocnos_to_stack,
1657 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1658 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1659 (setup_allocno_left_conflicts_num): Ditto. Rename to
1660 setup_allocno_left_conflicts_size.
1661 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1662 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1663 setup_allocno_left_conflicts_size instead of
1664 setup_allocno_left_conflicts_num.
1666 * ira-build.c (ira_create_allocno): Use
1667 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1668 ALLOCNO_LEFT_CONFLICTS_NUM.
1670 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1672 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1673 instead of DF_LR_OUT.
1675 * ira-lives.c (process_bb_node_lives): Ditto.
1677 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1678 instead of DF_LR_{OUT,IN}.
1680 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1682 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1684 2009-03-30 Jan Hubicka <jh@suse.cz>
1686 * except.c (label_to_region_map): Fix thinko.
1688 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1691 * tree.h (tree_find_value): New declaration.
1692 * tree.c (tree_find_value): New function.
1693 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1695 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1698 * c-decl.c (struct c_binding): Add locus field.
1699 (bind): Add locus argument, set locus field from it.
1700 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1701 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1702 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1703 implicitly_declare, undeclared_variable, lookup_label,
1704 declare_label, c_make_fname_decl, c_builtin_function,
1705 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1708 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1711 * config/i386/i386.c (classify_argument): Check total size of
1714 2009-03-30 Martin Jambor <mjambor@suse.cz>
1716 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1717 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1718 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1721 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1722 seen_variable_array_ref while also traversing a union.
1724 * tree-inline.c (optimize_inline_calls): Do not call
1725 cgraph_node_remove_callees.
1726 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1727 (pass_remove_cgraph_callee_edges): New variable.
1728 * passes.c (init_optimization_passes): Add
1729 pass_remove_cgraph_callee_edges after early inlining and before all
1730 late intraprocedural passes.
1732 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1734 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1736 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1739 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1741 * combine.c (simplify_comparison): Use have_insn_for.
1742 * dojump.c (do_jump): Likewise.
1744 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1746 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1747 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1748 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1749 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1750 instead of sparc_compare_emitted.
1751 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1752 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1753 instead of sparc_compare_emitted.
1755 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1757 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1758 enter/exit cfglayout mode.
1759 (pass_partition_block): Require it.
1760 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1761 (combine_instructions): Track basic blocks instead of labels.
1762 (update_cfg_for_uncondjump): New.
1763 (try_combine): Use it. Update jumps after rescanning.
1764 (pass_combine): Require PROP_cfglayout.
1765 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1767 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1769 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1770 Provide/destroy PROP_cfglayout respectively.
1771 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1772 * tree-pass.h (PROP_cfglayout): New.
1774 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1776 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1777 fold_convert_const_fixed_from_fixed,
1778 fold_convert_const_fixed_from_int,
1779 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1780 set TREE_CONSTANT_OVERFLOW.
1781 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1782 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1784 2009-03-30 Ira Rosen <irar@il.ibm.com>
1786 * tree-vect-loop-manip.c: New file.
1787 * tree-vectorizer.c: Update documentation and included files.
1788 (vect_loop_location): Make extern.
1789 (rename_use_op): Move to tree-vect-loop-manip.c
1790 (rename_variables_in_bb, rename_variables_in_loop,
1791 slpeel_update_phis_for_duplicate_loop,
1792 slpeel_update_phi_nodes_for_guard1,
1793 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1794 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1795 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1796 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1797 find_loop_location): Likewise.
1798 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1799 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1800 get_vectype_for_scalar_type, vect_is_simple_use,
1801 supportable_widening_operation, supportable_narrowing_operation):
1803 (bb_in_loop_p): Move to tree-vect-loop.c.
1804 (new_loop_vec_info, destroy_loop_vec_info,
1805 reduction_code_for_scalar_code, report_vect_op,
1806 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1807 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1808 (vect_supportable_dr_alignment): Likewise.
1809 * tree-vectorizer.h (tree-data-ref.h): Include.
1810 (vect_loop_location): Declare.
1811 Reorganize function declarations according to the new file structure.
1812 * tree-vect-loop.c: New file.
1813 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1814 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1815 * tree-vect-data-refs.c: New file.
1816 * tree-vect-patterns.c (timevar.h): Don't include.
1817 * tree-vect-stmts.c: New file.
1818 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1819 tree-vect-slp.c, tree-vect-loop.c.
1820 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1821 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1822 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1823 (tree-vect-analyze.o): Remove.
1824 (tree-vect-transform.o): Likewise.
1825 (tree-vect-data-refs.o): Add rule.
1826 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1827 tree-vect-slp.o): Likewise.
1828 (tree-vect-patterns.o): Remove redundant dependencies.
1829 (tree-vectorizer.o): Likewise.
1830 * tree-vect-slp.c: New file.
1832 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1834 * optc-gen.awk: Warn if an option flag has multiple different
1837 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1839 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1840 -floop-block): Document dependences on PPL, CLooG and Graphite.
1842 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1844 PR rtl-optimization/323
1845 * c-common.c (c_fully_fold, convert_and_check,
1846 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1847 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1848 * c-common.def (EXCESS_PRECISION_EXPR): New.
1849 * c-cppbuiltin.c (builtin_define_float_constants): Define
1850 constants with enough digits for long double.
1851 * c-lex.c (interpret_float): Interpret constant with excess
1852 precision where appropriate.
1853 * c-opts.c (c_common_post_options): Set
1854 flag_excess_precision_cmdline. Give an error for
1855 -fexcess-precision=standard for C++ for processors where the
1856 option is significant.
1857 * c-parser.c (c_parser_conditional_expression): Handle excess
1858 precision in condition.
1859 * c-typeck.c (convert_arguments): Handle arguments with excess
1861 (build_unary_op): Move excess precision outside operation.
1862 (build_conditional_expr): Likewise.
1863 (build_compound_expr): Likewise.
1864 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1865 (build_modify_expr): Handle excess precision in RHS.
1866 (convert_for_assignment): Handle excess precision in converted
1868 (digest_init, output_init_element, process_init_element): Handle
1869 excess precision in initializer.
1870 (c_finish_return): Handle excess precision in return value.
1871 (build_binary_op): Handle excess precision in operands and add
1872 excess precision as needed for operation.
1873 * common.opt (-fexcess-precision=): New option.
1874 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1875 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1876 For standard excess precision, output explicit conversion to and
1877 truncation from XFmode.
1878 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1879 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1880 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1881 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1882 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1883 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1884 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1885 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1886 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1887 define_splits, sqrt<mode>2): Disable where appropriate for
1888 standard excess precision.
1889 * convert.c (convert_to_real): Do not shorten arithmetic to type
1890 for which excess precision would be used.
1891 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1892 * doc/invoke.texi (-fexcess-precision=): Document option.
1893 (-mfpmath=): Correct index entry.
1894 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1895 flag_excess_precision): New.
1896 * langhooks.c (lhd_post_options): Set
1897 flag_excess_precision_cmdline.
1898 * opts.c (common_handle_option): Handle -fexcess-precision=.
1899 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1900 init_excess_precision): New.
1901 (lang_dependent_init_target): Call init_excess_precision.
1902 * tree.c (excess_precision_type): New.
1903 * tree.h (excess_precision_type): Declare.
1905 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1908 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1909 non-lvalue to component.
1911 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1913 PR preprocessor/34695
1914 * Makefile.in (c-opts.o): Depend on c-tree.h.
1915 * c-common.c: Move down include of diagnostic.h.
1916 (done_lexing, c_cpp_error): New.
1917 * c-common.h (done_lexing): Declare.
1918 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1920 * c-opts.c: Include c-tree.h.
1921 (c_common_init_options): Set preprocessor error callback.
1922 (c_common_handle_option): Do not set preprocessor
1923 inhibit_warnings, warnings_are_errors, warn_system_headers,
1924 pedantic_errors or inhibit_warnings flags.
1925 (c_common_post_options): Do not check cpp_errors (parse_in).
1926 (c_common_finish): Do not output dependencies if there were
1927 errors. Do not check return value of cpp_finish.
1928 * c-ppoutput.c (pp_file_change): Set input_location.
1929 * c-tree.h (c_cpp_error): Declare.
1930 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1932 (diagnostic_build_prefix): Check override_column.
1933 * diagnostic.h (diagnostic_info): Add override_column field.
1934 (diagnostic_override_column): Define.
1936 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1938 * c-common.c (c_expand_expr, c_staticp): Remove.
1939 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1940 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1941 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1942 * c-gimplify.c (gimplify_compound_literal_expr,
1943 optimize_compound_literals_in_ctor): Remove.
1944 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1945 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1946 * c-semantics.c (emit_local_var): Remove.
1948 * langhooks-def.h (lhd_expand_expr): Remove.
1949 * langhooks.c (lhd_expand_expr): Remove.
1950 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1952 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1953 handling from c-semantics.c; don't call into langhook.
1954 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1955 * gimplify.c (gimplify_compound_literal_expr,
1956 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1957 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1958 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1959 as was done in c-gimplify.c.
1960 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1961 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1962 Move from c-common.h.
1963 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1965 * tree.c (staticp): Do not call langhook.
1966 * langhooks.c (lhd_staticp): Delete.
1967 * langhooks-def.h (lhd_staticp): Delete prototype.
1968 (LANG_HOOKS_STATICP): Delete.
1969 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1971 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1972 instead of DECL_STMTs.
1974 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1982 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1984 (fold_call_expr): Return a NOP_EXPR from folding rather than the
1985 contained expression.
1986 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1987 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
1988 conditional expressions for C.
1989 (decl_constant_value_for_optimization): Move from
1990 decl_constant_value_for_broken_optimization in c-typeck.c. Check
1991 whether optimizing and that the expression is a VAR_DECL not of
1992 array type instead of doing such checks in the caller. Do not
1993 check pedantic. Call gcc_unreachable for C++.
1994 * c-common.def (C_MAYBE_CONST_EXPR): New.
1995 * c-common.h (c_fully_fold, c_save_expr,
1996 decl_constant_value_for_optimization): New prototypes.
1997 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1998 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1999 EXPR_INT_CONST_OPERANDS): Define.
2000 * c-convert.c (convert): Strip nops from expression.
2001 * c-decl.c (groktypename): Take extra parameters expr and
2002 expr_const_operands. Update call to grokdeclarator.
2003 (start_decl): Update call to grokdeclarator. Add statement for
2004 expressions used in type of decl.
2005 (grokparm): Update call to grokdeclarator.
2006 (push_parm_decl): Update call to grokdeclarator.
2007 (build_compound_literal): Add parameter non_const and build a
2008 C_MAYBE_COSNT_EXPR if applicable.
2009 (grokdeclarator): Take extra parameters expr and
2010 expr_const_operands. Track expressions used in declaration
2011 specifiers and declarators. Fold array sizes and track whether
2012 they are constant expressions and whether they are integer
2013 constant expressions.
2014 (parser_xref_tag): Set expr and expr_const_operands fields in
2016 (grokfield): Update call to grokdeclarator.
2017 (start_function): Update call to grokdeclarator.
2018 (build_null_declspecs): Set expr and expr_const_operands fields in
2020 (declspecs_add_type): Handle expressions in typeof specifiers.
2021 * c-parser.c (c_parser_declspecs): Set expr and
2022 expr_const_operands fields for declaration specifiers.
2023 (c_parser_enum_specifier): Likewise.
2024 (c_parser_struct_or_union_specifier): Likewise.
2025 (c_parser_typeof_specifier): Likewise. Update call to
2026 groktypename. Fold expression as needed. Return expressions with
2027 type instead of adding statements.
2028 (c_parser_attributes): Update calls to c_parser_expr_list.
2029 (c_parser_statement_after_labels): Fold expression before passing
2030 to objc_build_throw_stmt.
2031 (c_parser_condition): Fold expression.
2032 (c_parser_asm_operands): Fold expression.
2033 (c_parser_conditional_expression): Use c_save_expr. Update call
2034 to build_conditional_expr.
2035 (c_parser_alignof_expression): Update call to groktypename.
2036 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2037 original_code. Fold expression argument of va_arg. Create
2038 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2039 argument to va_arg. Update calls to groktypename. Fold array
2040 index for offsetof. Verify that first argument to
2041 __builtin_choose_expr has integer type.
2042 (c_parser_postfix_expression_after_paren_type): Update calls to
2043 groktypename and build_compound_literal. Handle expressions with
2044 side effects in type name.
2045 (c_parser_postfix_expression_after_primary): Update call to
2046 c_parser_expr_list. Set original_code for calls to
2047 __builtin_constant_p.
2048 (c_parser_expr_list): Take extra parameter fold_p. Fold
2049 expressions if requested.
2050 (c_parser_objc_type_name): Update call to groktypename.
2051 (c_parser_objc_synchronized_statement): Fold expression.
2052 (c_parser_objc_receiver): Fold expression.
2053 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2054 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2055 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2056 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2057 (struct c_typespec): Add elements expr and expr_const_operands.
2058 (struct c_declspecs): Add elements expr and expr_const_operands.
2059 (groktypename, build_conditional_expr, build_compound_literal):
2061 (in_late_binary_op): Declare.
2062 * c-typeck.c (note_integer_operands): New function.
2063 (in_late_binary_op): New variable.
2064 (decl_constant_value_for_broken_optimization): Move to c-common.c
2065 and rename to decl_constant_value_for_optimization.
2066 (default_function_array_conversion): Do not strip nops.
2067 (default_conversion): Do not call
2068 decl_constant_value_for_broken_optimization.
2069 (build_array_ref): Do not fold result.
2070 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
2071 result when operand is a VLA.
2072 (c_expr_sizeof_type): Update call to groktypename. Handle
2073 expressions included in type name. Use C_MAYBE_CONST_EXPR for
2074 result when operand names a VLA type.
2075 (build_function_call): Update call to build_compound_literal.
2076 Only fold result for calls to __builtin_* functions. Strip
2077 NOP_EXPR from INTEGER_CST returned from such functions. Fold
2078 the function designator.
2079 (convert_arguments): Fold arguments. Update call to
2080 convert_for_assignment.
2081 (build_unary_op): Handle increment and decrement of
2082 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
2083 decrement earlier. Fold operand of increment and decrement.
2084 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
2085 built for integer operand. Wrap returns that are INTEGER_CSTs
2086 without being integer constant expressions or that have integer
2087 constant operands without being INTEGER_CSTs.
2088 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2089 (build_conditional_expr): Add operand ifexp_bcp. Track whether
2090 result is an integer constant expression or can be used in
2091 unevaluated parts of one and avoid folding and wrap as
2092 appropriate. Fold operands before possibly doing -Wsign-compare
2094 (build_compound_expr): Wrap result for C99 if operands can be used
2095 in integer constant expressions.
2096 (build_c_cast): Update call to digest_init. Do not ignore
2097 overflow from casting floating-point constants to integers. Wrap
2098 results that could be confused with integer constant expressions,
2099 null pointer constants or floating-point constants.
2100 (c_cast_expr): Update call to groktypename. Handle expressions
2101 included in type name.
2102 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
2103 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
2104 Update calls to convert_for_assignment.
2105 (convert_for_assignment): Take new parameter
2106 null_pointer_constant. Do not strip nops or call
2107 decl_constant_value_for_broken_optimization. Set
2108 in_late_binary_op for conversions to boolean.
2109 (store_init_value): Update call to digest_init.
2110 (digest_init): Take new parameter null_pointer_constant. Do not
2111 call decl_constant_value_for_broken_optimization. pedwarn for
2112 initializers not constant expressions. Update calls to
2113 convert_for_assignment.
2114 (constructor_nonconst): New.
2115 (struct constructor_stack): Add nonconst element.
2116 (really_start_incremental_init, push_init_level, pop_init_level):
2117 Handle constructor_nonconst and nonconst element.
2118 (set_init_index): Call constant_expression_warning for array
2120 (output_init_element): Fold value. Set constructor_nonconst as
2121 applicable. pedwarn for initializers not constant expressions.
2122 Update call to digest_init. Call constant_expression_warning
2123 where constant initializers are required.
2124 (process_init_element): Use c_save_expr.
2125 (c_finish_goto_ptr): Fold expression.
2126 (c_finish_return): Fold return value. Update call to
2127 convert_for_assignment.
2128 (c_start_case): Fold switch expression.
2129 (c_process_expr_stmt): Fold expression.
2130 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
2131 ensure statement expression is not evaluated in constant expression.
2132 (build_binary_op): Track whether results are integer constant
2133 expressions or may occur in such, disable folding and wrap results
2134 as applicable. Fold operands for -Wsign-compare warnings unless
2136 (c_objc_common_truthvalue_conversion): Handle results folded to
2137 integer constants that are not integer constant expressions.
2138 * doc/extend.texi: Document when typeof operands are evaluated,
2139 that condition of __builtin_choose_expr is an integer constant
2140 expression, and more about use of __builtin_constant_p in
2143 2009-03-29 Richard Guenther <rguenther@suse.de>
2145 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2146 propagate addresses of array references.
2148 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2150 * regmove.c (perhaps_ends_bb_p): Remove.
2151 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2152 from INSN and check that the main loop stays within that basic block.
2153 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2154 (regmove_forward_pass): Split out from regmove_optimize. Use
2155 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2156 (regmove_backward_pass): Split out from regmove_optimize. Use
2157 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2158 (regmove_optimize): Simplify.
2160 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2163 * config/i386/i386.c (classify_argument): Ignore flexible array
2164 member in struct and warn ABI change.
2166 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2168 * config/i386/i386-protos.h (ix86_agi_dependent): New.
2170 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2171 (ix86_adjust_cost): Updated.
2173 2009-03-29 Jan Hubicka <jh@suse.cz>
2176 * tree-pass.h (pass_cleanup_eh): New function.
2177 (remove_unreachable_regions): Break code handling RTL
2178 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2179 that can not be reached by runtime.
2180 (can_be_reached_by_runtime): New function.
2181 (label_to_region_map): New function.
2182 (num_eh_regions): New function.
2183 (rtl_remove_unreachable_regions): New function.
2184 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2185 (remove_eh_region): New function.
2186 * except.h: Include sbitmap and vecprim.
2187 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2188 num_eh_regions): Declare.
2189 * passes.c (init_optimization_passes): Schedule cleanup_eh.
2190 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
2191 * tree-eh.c (tree_remove_unreachable_handlers): New function.
2192 (tree_empty_eh_handler_p): New function.
2193 (cleanup_empty_eh): New function.
2194 (cleanup_eh): New function.
2195 (pass_cleanup_eh): New function.
2197 2009-03-29 Jan Hubicka <jh@suse.cz>
2199 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2200 for removed regions.
2202 2009-03-29 Jan Hubicka <jh@suse.cz>
2204 * except.c (dump_eh_tree): Dump all datastructures.
2206 2009-03-29 Jan Hubicka <jh@suse.cz>
2208 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2209 (duplicate_eh_regions_1): Likewise.
2210 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2211 vector; call EH verification.
2212 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2213 Be ready for region being removed.
2215 2009-03-29 Jan Hubicka <jh@suse.cz>
2217 * bitmap.c (bitmap_last_set_bit): New function.
2218 * bitmap.h (bitmap_last_set_bit): Declare.
2220 2009-03-29 David Ayers <ayers@fsfe.org>
2223 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2224 by calling objc_compare_types and surpress warnings about
2225 incompatible C pointers that are compatible ObjC pointers.
2227 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
2229 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2230 call initialize_inline_failed.
2231 (initialize_inline_failed): Move it from here ...
2232 * cgraph.c (initialize_inline_failed): ... to here.
2233 (cgraph_create_edge): Call initialize_inline_failed rather than
2234 setting inline_failed directly.
2236 2009-03-29 Ben Elliston <bje@au.ibm.com>
2239 * sysv4.opt (msdata): Improve comment.
2240 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
2241 * sysv4.h (SVR4_ASM_SPEC): Likewise.
2243 2009-03-29 Ben Elliston <bje@au.ibm.com>
2246 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
2247 load and store attributes.
2249 2009-03-29 Ben Elliston <bje@au.ibm.com>
2251 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
2252 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
2253 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
2254 * doc/extend.texi (X86 Built-in Functions): Add index entries for
2255 __builtin_infq and __builtin_huge_valq.
2257 2009-03-28 Anatoly Sokolov <aesok@post.ru>
2259 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2261 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2262 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2264 2009-03-28 Xinliang David Li <davidxl@google.com>
2266 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
2267 (do_dbg_cnt): New function.
2269 2009-03-28 Jan Hubicka <jh@suse.cz>
2271 Merge from pretty-ipa:
2273 2009-03-27 Jan Hubicka <jh@suse.cz>
2275 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2276 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2277 * passes.c (function_called_by_processed_nodes_p): New.
2278 * ipa-pure-const.c (check_call): Fix handling of operands.
2279 (analyze_function): Dump debug output for skipped bodies.
2280 (local_pure_const): Use function_called_by_processed_nodes_p.
2281 * dwarf2out.c (reference_to_unused): Use output.
2282 * passes.c (do_per_function_toporder): Likewise.
2284 2008-11-12 Jan Hubicka <jh@suse.cz>
2286 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2287 * ipa-pure-const.c (funct_state_d): Add can throw field; make
2288 state_set_in_source enum
2289 (check_decl): Ignore memory tags; do not set fake looping flags;
2291 (check_operand, check_tree, check_rhs_var, check_lhs_var,
2292 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2293 (check_call, analyze_function): Rewrite.
2295 (add_new_function): Update call of analyze_function.
2296 (generate_summary): Add call of analyze_function.
2297 (propagate): Propagate can_throw; handle state_set_in_source correctly.
2298 (local_pure_const): New function.
2299 (pass_local_pure_const): New pass.
2300 * ipa-inline.c (inline_transform): Set after_inlining.
2301 * tree-eh.c (stmt_can_throw_external): New.
2302 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2303 work with aliasing built.
2304 * tree-flow.h (stmt_can_throw_external): New.
2305 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2306 and local pure/const pass in early and late optimization queue.
2308 2009-03-28 Martin Jambor <mjambor@suse.cz>
2310 * fold-const.c (get_pointer_modulus_and_residue): New parameter
2312 (fold_binary): Allow function decl aligment consideration is the
2313 second argument is integer constant one.
2314 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2315 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2316 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2318 2009-03-28 Jan Hubicka <jh@suse.cz>
2320 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2321 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2322 * function.h (rtl_data): Add nothrow flag.
2323 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2324 set DECL_NOTHROW for AVAILABLE functions.
2326 2009-03-28 Jakub Jelinek <jakub@redhat.com>
2328 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2329 following vector keyword has expansion starting with pixel or bool
2330 keyword, expand vector to __vector and pixel or bool to __pixel or
2334 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2335 warn_if_disallowed_function_p): Removed.
2336 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2337 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2338 warning_if_disallowed_function_p.
2339 * flags.h (warn_if_disallowed_function_p,
2340 warn_disallowed_functions): Removed.
2341 * common.opt (Wdisallowed-function-list=): Removed.
2342 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2344 2009-03-28 Richard Guenther <rguenther@suse.de>
2346 PR tree-optimization/38723
2347 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2350 2009-03-28 Jan Hubicka <jh@suse.cz>
2352 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2353 test introduced by my previous patch.
2355 2009-03-28 Richard Guenther <rguenther@suse.de>
2357 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2358 the PHIs value undefined.
2360 2009-03-28 Jan Hubicka <jh@suse.cz>
2362 * tree-pass.h (pass_fixup_cfg): New pass.
2363 * ipa-inline.c (inline_transform): Set
2364 always_inline_functions_inlined/after_inlining.
2365 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2366 (pass_fixup_cfg): New pass.
2367 * passes.c (init_optimization_passes): Add fixup_cfg.
2369 2009-03-28 Richard Guenther <rguenther@suse.de>
2371 PR tree-optimization/38458
2372 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2373 argument use the arguments copy-of value.
2375 2009-03-28 Richard Guenther <rguenther@suse.de>
2377 PR tree-optimization/38180
2378 * tree-ssa-ccp.c (get_default_value): Simplify.
2379 (likely_value): Likewise.
2380 (surely_varying_stmt_p): Properly handle VOP case.
2381 (ccp_initialize): Likewise.
2382 (ccp_fold): Handle propagating through *&.
2383 (fold_const_aggregate_ref): Also handle decls.
2385 2009-03-28 Jan Hubicka <jh@suse.cz>
2387 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2388 * cgraph.h (cgraph_node): Likewise.
2389 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2390 (cgraph_reset_node): Use process flag.
2391 (cgraph_mark_functions_to_output): Likewise.
2392 (cgraph_expand_function): Likewise.
2393 (cgraph_expand_all_functions): Likewise.
2394 (cgraph_output_in_order): Likewise.
2395 * dwarf2out.c (reference_to_unused): Likewise.
2396 * passes.c do_per_function_toporder): Likewise.
2398 2009-03-28 Jan Hubicka <jh@suse.cz>
2400 Bring from lto-branch:
2402 2008-09-03 Doug Kwan <dougkwan@google.com>
2404 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2405 enums instead of reason strings.
2406 * cgraph.c (cgraph_create_edge): Same.
2407 (cgraph_inline_failed_string): New function.
2408 * cgraph.h (cgraph_inline_failed_t): New enum type.
2409 (cgraph_inline_failed_string): New prototype.
2410 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2411 char pointer to cgraph_inline_failed_t.
2412 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2413 (cgraph_default_inline_p): Ditto.
2414 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2415 to cgraph_inline_failed_t pointer.
2416 * cif-code.def: New file.
2417 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2419 (cgraph_check_inline_limits): Change type of REASON to pointer to
2420 cgraph_inline_failed_t. Replace reason strings with enums.
2421 (cgraph_default_inline_p): Ditto.
2422 (cgraph_recursive_inlining_p): Ditto.
2423 (update_caller_keys): Change type of FAILED_REASON to
2424 cgraph_inline_failed_t.
2425 (cgraph_set_inline_failed): Change type of REASON to pointer to
2426 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2427 convert enums to strings for text output.
2428 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2429 to be of type cgraph_inline_failed_t. Replace reason strings with
2430 enums. Call cgraph_inline_failed_string to covert enums
2431 to strings for text output.
2432 (cgraph_decide_inlining): Replace reason strings with enums.
2433 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2434 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2436 * tree-inline.c (expand_call_inline): Change type of REASON
2437 to cgraph_inline_failed_t. Replace reason strings with enums.
2438 Call cgraph_inline_failed_string for text output.
2439 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2442 2009-03-28 Jan Hubicka <jh@suse.cz>
2444 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2445 cgraph_clone_node): Remove master clone handling.
2446 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2447 * cgraph.h (master_clone): Remove.
2448 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2449 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2450 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2452 2009-03-28 Jan Hubicka <jh@suse.cz>
2454 * cgraph.c (cgraph_function_body_availability): Functions declared
2455 inline are always safe to assume that it is not going to be replaced.
2457 2009-03-28 Richard Guenther <rguenther@suse.de>
2459 PR tree-optimization/38513
2460 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2461 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2462 EXC_PTR_EXPR and FILTER_EXPR.
2463 (get_ref_from_reference_ops): Likewise.
2465 2009-03-28 Richard Guenther <rguenther@suse.de>
2467 PR tree-optimization/38968
2468 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2469 Use FLOOR_MOD_EXPR to compute misalignment.
2471 2009-03-28 Richard Guenther <rguenther@suse.de>
2473 PR tree-optimization/37795
2474 * tree.h (combine_comparisons): Declare.
2475 * fold-const.c (combine_comparisons): Export.
2476 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2478 (ifcombine_iforif): Use combine_comparisons.
2480 2009-03-28 Jan Hubicka <jh@suse.cz>
2482 * tree-eh.c (inlinable_call_p): New function.
2483 (make_eh_edges): Use it.
2484 (verify_eh_edges): Use it.
2485 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2486 * except.c (reachable_next_level): Add inlinable_function argument
2487 (sjlj_find_directly_reachable_regions): Update.
2488 (add_reachable_handler): Do not set saw_any_handlers.
2489 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2490 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2491 Add new inlinable call parameter.
2492 (can_throw_internal, can_throw_external): Update.
2493 * except.h (can_throw_internal_1, can_throw_external_1,
2494 foreach_reachable_handler): Update declaration.
2496 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2498 * config/arm/t-arm-coff, config/h8300/coff.h,
2499 config/i386/i386-aout.h, config/i386/i386-coff.h,
2500 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2501 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2502 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2503 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2504 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2505 sys-types.h: Remove.
2506 * Makefile.in: Remove protoize and fixproto support and references
2508 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2509 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2511 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2512 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2513 unprotoize$(exeext).
2514 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2515 (.PHONY): Don't depend on proto.
2516 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2517 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2518 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2519 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2520 build/gen-protos.o, build/scan.o, xsys-protos.h,
2521 build/fix-header$(build_exeext), build/fix-header.o,
2522 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2523 stmp-install-fixproto): Remove.
2524 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2525 SYSCALLS.c or fixproto files.
2526 (install-common): Don't install protoize.
2527 (install-headers-tar, install-headers-cpio, install-headers-cp):
2528 Don't depend on $(STMP_FIXPROTO).
2529 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2530 install fixproto files or write out fixproto settings.
2531 (uninstall): Don't uninstall protoize.
2532 * config.gcc (use_fixproto): Remove.
2533 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2534 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2535 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2536 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2537 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2538 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2539 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2540 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2541 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2542 * config/t-vxworks (STMP_FIXPROTO): Remove.
2543 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2544 STMP_FIXPROTO): Remove.
2545 * config.in, configure: Regenerate.
2546 * crtstuff.c (gid_t, uid_t): Don't undefine.
2547 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2548 (arm-*-coff, arm-*-aout: Remove target entries.
2549 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2550 Remove mention of AIX 4.1.
2551 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2552 * doc/invoke.texi (Running Protoize): Remove.
2553 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2554 (Protoize Caveats): Remove.
2555 * tsystem.h: Update comments on headers assumed to exist.
2557 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2559 * genautomata.c: Add a new year to the copyright. Add a new
2561 (struct insn_reserv_decl): Add comments for member bypass_list.
2562 (find_bypass): Remove.
2563 (insert_bypass): New.
2564 (process_decls): Use insert_bypass.
2565 (output_internal_insn_latency_func): Output all bypasses with the
2566 same input insn in one switch case.
2568 * rtl.def (define_bypass): Describe bypass choice.
2569 * doc/md.texi (define_bypass): Ditto.
2571 2009-03-27 Richard Guenther <rguenther@suse.de>
2573 * gimplify.c (mark_addressable): Export.
2574 * tree-flow.h (mark_addressable): Declare.
2575 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2576 * tree-ssa.c (verify_phi_args): Verify that address taken
2577 variables have TREE_ADDRESSABLE set.
2579 2009-03-27 Richard Guenther <rguenther@suse.de>
2581 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2582 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2583 Do not mark decls TREE_ADDRESSABLE.
2584 (build_fold_addr_expr): Adjust.
2585 (fold_addr_expr): Remove.
2586 (fold_unary): Use build_fold_addr_expr.
2587 (fold_comparison): Likewise.
2588 (split_address_to_core_and_offset): Likewise.
2589 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2591 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2592 (gimplify_modify_expr_to_memcpy): Mark source and destination
2594 * omp-low.c (create_omp_child_function): Mark the object decl
2596 (lower_rec_input_clauses): Mark the var we take the address of
2598 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2600 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2603 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2604 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2606 2009-03-27 Richard Guenther <rguenther@suse.de>
2608 PR tree-optimization/39120
2609 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2611 (handle_lhs_call): Process return constraints. Add escape
2612 constraints if necessary.
2613 (handle_const_call): Fill out return constraints. Make nested
2614 case more precise. Avoid consttmp if possible.
2615 (handle_pure_call): Fill out return constraints. Avoid
2616 callused if possible.
2617 (find_func_aliases): Simplify call handling.
2619 2009-03-27 Richard Guenther <rguenther@suse.de>
2621 PR tree-optimization/39120
2622 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2623 as a representative.
2624 (solve_graph): Do propagate CALLUSED.
2625 (handle_pure_call): Use a scalar constraint from CALLUSED for
2627 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2630 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2633 * c-common.c (handle_aligned_attribute): Properly check alignment
2634 overflow. Use (1U << i) instead of (1 << i).
2636 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2638 * expr.h (get_mem_align_offset): Updated.
2640 * tree.h (tree_decl_common): Change align to "unsigned int" and
2641 move it before pointer_alias_set.
2643 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2644 Jakub Jelinek <jakub@redhat.com>
2647 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2648 gr_register_operand with gr_reg_or_0_operand.
2649 (cmpxchg_rel_di): Likewise.
2650 (sync_lock_test_and_set<mode>): Likewise.
2652 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2654 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2655 (true_regnum): Likewise.
2657 * rtlanal.c (subreg_info): Moved to ...
2658 * rtl.h (subreg_info): Here. New.
2659 (subreg_get_info): New.
2661 * rtlanal.c (subreg_get_info): Make it extern.
2663 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2666 * config/i386/i386.c (ix86_abi): New.
2667 (override_options): Handle -mabi=.
2668 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2669 (ix86_call_abi_override): Likewise.
2670 (init_cumulative_args): Likewise.
2671 (function_arg_advance): Likewise.
2672 (function_arg_64): Likewise.
2673 (function_arg): Likewise.
2674 (ix86_pass_by_reference): Likewise.
2675 (ix86_function_value_regno_p): Likewise.
2676 (ix86_build_builtin_va_list_abi): Likewise.
2677 (setup_incoming_varargs_64): Likewise.
2678 (is_va_list_char_pointer): Likewise.
2679 (ix86_init_machine_status): Likewise.
2680 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2681 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2682 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2683 (ix86_function_abi): Make it static and return enum calling_abi.
2684 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2686 (ix86_fn_abi_va_list): Updated.
2688 * config/i386/i386.h (ix86_abi): New.
2689 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2690 (CONDITIONAL_REGISTER_USAGE): Likewise.
2691 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2692 (machine_function): Likewise.
2694 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2696 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2697 (STACK_BOUNDARY): Likewise.
2698 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2700 * config/i386/i386.opt (mabi=): New.
2702 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2703 return enum calling_abi.
2704 (ix86_function_type_abi): Likewise.
2705 (ix86_function_abi): Removed.
2707 * doc/invoke.texi: Document -mabi= option for x86.
2709 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2711 * builtins.c (real_dconstp): Delete.
2712 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2714 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2715 Jakub Jelinek <jakub@redhat.com>
2718 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2719 (gen_subprogram_die): When a function is explicit, generate the
2720 DW_AT_explicit attribute.
2721 * langhooks.h (struct lang_hooks_for_decls): Add
2722 function_decl_explicit_p langhook.
2723 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2724 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2726 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2728 * builtins.c (fold_builtin_memory_op): Optimize memmove
2729 into memcpy if we can prove source and destination don't overlap.
2731 * tree-inline.c: Include gt-tree-inline.h.
2732 (clone_fn_id_num): New variable.
2733 (clone_function_name): New function.
2734 (tree_function_versioning): Use it.
2735 * Makefile.in (GTFILES): Add tree-inline.c.
2737 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2739 * BASE-VER: Change to 4.5.0.
2741 2009-03-27 Xinliang David Li <davidxl@google.com>
2743 PR tree-optimization/39557
2744 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2746 2009-03-27 Xinliang David Li <davidxl@google.com>
2748 PR tree-optimization/39548
2749 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2752 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2754 * c-common.c (pointer_int_sum): Use %wd on return from
2757 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2759 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2760 on return from tree_low_cst.
2762 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2765 * ginclude/stdarg.h (va_copy): Define also for
2766 __GXX_EXPERIMENTAL_CXX0X__.
2768 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2771 * builtins.h (c_strlen): Do not warn here.
2772 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2773 * c-common.c (pointer_int_sum): Take an explicit location.
2774 Warn about offsets out of bounds.
2775 * c-common.h (pointer_int_sum): Adjust declaration.
2777 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2779 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2782 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2785 * opts.c (warn_if_disallowed_function_p): Don't assume
2786 get_callee_fndecl must return non-NULL.
2788 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2790 PR rtl-optimization/39522
2791 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2792 when reg_reloaded_valid is set.
2794 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2796 * config/spu/divv2df3.c: New file.
2797 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2798 (DPBIT_FUNCS): Filter out _div_df.
2800 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2802 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2803 a jump insn, count that jump in the distance to the loop start.
2805 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2808 * config/sh/sh.c (calc_live_regs): Fix condition for global
2809 registers except PIC_OFFSET_TABLE_REGNUM.
2811 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2814 * doc/invoke.texi (-mconsole): New.
2818 (-mnop-fun-dllimport): New.
2822 (sub section "i386 and x86-64 Windows Options"): New.
2824 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2826 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2827 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2829 2009-03-25 Richard Guenther <rguenther@suse.de>
2832 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2835 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2837 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2838 neither of haifa/selective schedulers are working.
2840 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2842 * doc/invoke.texi (Debugging Options): Fix description of
2843 -fno-merge-debug-strings.
2845 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2847 * config/cris/libgcc.ver: New version-script.
2848 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2850 * configure.ac <GAS features, nop mnemonic>: Add pattern
2851 crisv32-*-* for "nop".
2852 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2853 * configure: Regenerate.
2855 2009-03-24 Ira Rosen <irar@il.ibm.com>
2857 PR tree-optimization/39529
2858 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2859 mark_sym_for_renaming for the tag copied to the new vector
2862 2009-03-24 Arthur Loiret <aloiret@debian.org>
2864 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2865 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2866 EXTRA_SPEC_FUNCTIONS.
2867 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2868 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2869 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2870 -march and -mtune options.
2872 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2874 * config/m68k/t-rtems: Add m5329 multilib.
2876 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2877 Jakub Jelinek <jakub@redhat.com>
2880 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2883 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2886 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2887 instead of c_parser_expression_conv, if original_code isn't one of the
2888 4 allowed comparison codes, fail.
2890 2009-03-23 Richard Guenther <rguenther@suse.de>
2892 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2893 * tree.h (struct tree_type): Likewise.
2894 * reload.h (struct insn_chain): Likewise.
2895 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2896 * function.h (struct function): Likewise.
2897 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2899 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2901 PR tree-optimization/39516
2902 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2904 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2906 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2907 should be set true if BITS_PER_WORD of target is bigger than 32
2909 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2911 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2912 Translate -B-options to -rpath-link. Correct existing
2913 rpath-link and conditionalize on !nostdlib.
2915 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2917 * doc/extend.texi (Function Attributes, Variable Attributes):
2919 * doc/invoke.texi (Debugging Options, Optimize Options)
2920 (i386 and x86-64 Options, MCore Options): Likewise.
2922 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2925 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2926 it for block local namespace aliases.
2927 (gen_decl_die): Pass context_die to gen_namespace_die.
2929 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2932 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2933 minimum or maximum value.
2935 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2937 * reginfo.c (globalize_reg): Recompute derived reg sets.
2939 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2942 * libgcc2.c (mprotect): Do not use signed arguments for
2943 VirtualProtect, use DWORD arguments. Also fix the 'may
2944 be used uninitialized' warning for the np variable.
2946 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2949 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2950 functions using regparm calling conventions when not optimizing.
2951 (ix86_function_sseregparm): Similarly for sseregparm calling
2954 2009-03-19 Li Feng <nemokingdom@gmail.com>
2957 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2958 dependence if the first conflict is after niter iterations.
2960 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
2963 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2964 functions with dynamic stack-pointer adjustments.
2966 2009-03-19 Ben Elliston <bje@au.ibm.com>
2968 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2969 option; change to -msdata=data.
2971 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2973 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2976 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
2979 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2981 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
2983 * doc/invoke.texi (Code Gen Options): Expand discussion of
2986 2009-03-18 Jakub Jelinek <jakub@redhat.com>
2988 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2989 * matrix-reorg.c (struct matrix_info): Likewise.
2990 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2991 * rtl.h (struct mem_attrs): Likewise.
2992 * df.h (struct df): Likewise.
2993 * tree-data-ref.h (struct data_dependence_relation): Likewise.
2994 * ira-int.h (struct ira_allocno): Likewise.
2995 * df-scan.c (struct df_collection_rec): Likewise.
2996 * ira.c (struct equivalence): Likewise.
2997 * function.c (struct temp_slot): Likewise.
2998 * cfgloop.h (struct loop): Likewise.
3001 * function.c (use_register_for_decl): When not optimizing, disregard
3002 register keyword for variables with types containing methods.
3004 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
3007 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3008 (is_simple_operand): Call contains_component_ref_p before calling data
3009 reference analysis that would fail on COMPONENT_REFs.
3011 * tree-vrp.c (search_for_addr_array): Fix formatting.
3013 2009-03-18 Richard Guenther <rguenther@suse.de>
3015 * tree-vect-transform.c (vect_loop_versioning): Fold the
3016 generated comparisons.
3017 * tree-vectorizer.c (set_prologue_iterations): Likewise.
3018 (slpeel_tree_peel_loop_to_edge): Likewise.
3020 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3023 * opts.c (print_specific_help): In addition to `undocumented',
3024 accept `separate' and `joined' flags if passed alone. Describe
3025 output by the first matched one of those.
3026 (common_handle_option): Skip over empty strings.
3027 * gcc.c (display_help): Fix help string for `--help='.
3028 * doc/invoke.texi (Option Summary, Overall Options): With
3029 `--help=', classes and qualifiers can both be repeated, but
3030 only the latter can be negated. One should not pass only
3031 negated qualifiers. Fix markup and examples.
3034 2008-10-14 Jakub Jelinek <jakub@redhat.com>
3036 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3037 and -fhelp=separate.
3039 2009-03-17 Jing Yu <jingyu@google.com>
3042 * function.h (struct rtl_data): Move is_thunk from here...
3043 (struct function): ...to here.
3044 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3045 * varasm.c (assemble_start_function): Change is_thunk from crtl to
3047 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3049 (alpha_does_function_need_gp, alpha_start_function): Likewise.
3050 (alpha_output_function_end_prologue): Likewise.
3051 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3052 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3053 (rs6000_output_function_epilogue): Likewise.
3054 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3056 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
3059 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3060 from different units in a single alternative.
3061 (*truncdfsf_i387): Ditto.
3062 (*truncxfsf2_mixed): Ditto.
3063 (*truncxfdf2_mixed): Ditto.
3065 2009-03-17 Jakub Jelinek <jakub@redhat.com>
3067 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3068 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3071 * tree-ssa-live.c (remove_unused_locals): Don't remove local
3072 unused non-artificial variables when not optimizing.
3075 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3076 DW_TAG_imported_module even if decl is IMPORTED_DECL with
3077 NAMESPACE_DECL in its DECL_INITIAL.
3080 * optabs.c (set_user_assembler_libfunc): New function.
3081 * expr.h (set_user_assembler_libfunc): New prototype.
3082 * c-common.c: Include libfuncs.h.
3083 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3084 for memcmp, memset, memcpy, memmove and abort.
3085 * Makefile.in (c-common.o): Depend on libfuncs.h.
3088 * dwarf2out.c (gen_inlined_enumeration_type_die,
3089 gen_inlined_structure_type_die, gen_inlined_union_type_die,
3090 gen_tagged_type_instantiation_die): Removed.
3091 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3094 2009-03-17 Janis Johnson <janis187@us.ibm.com>
3097 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3099 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3100 (check-parallel-%): Ditto.
3101 (check-consistency): Ditto.
3103 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
3105 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3106 local variable rhs by NULL_TREE.
3108 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3111 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
3113 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3116 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
3118 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3121 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3122 for ms->sysv ABI calls only in 64bit mode.
3124 * config/i386/i386.md (untyped_call): Support 32bit.
3126 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3128 * doc/extend.texi: Replace x86_65 with x86_64.
3130 2009-03-16 Jakub Jelinek <jakub@redhat.com>
3132 PR tree-optimization/39455
3133 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3134 mismatches for POINTER_TYPE_P (type).
3135 (number_of_iterations_le): Likewise.
3137 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3139 * config/picochip/picochip.c: Removed profiling support.
3140 * config/picochip/picochip.md: Removed profiling instruction.
3141 * config/picochip/picochip.h: Removed profiling builtin.
3143 2009-03-16 Joseph Myers <joseph@codesourcery.com>
3145 * doc/install.texi (--with-host-libstdcxx): Document.
3147 2009-03-14 Anatoly Sokolov <aesok@post.ru>
3150 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3151 generate a warning if the function name does not begin with
3152 "__vector" and the function has either the 'signal' or 'interrupt'
3153 attribute, from here to ...
3154 (avr_declare_function_name): ...here. New function.
3155 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3156 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3158 2009-03-14 Jakub Jelinek <jakub@redhat.com>
3161 * cse.c (fold_rtx): Don't modify original const_arg1 when
3162 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3163 separate variable instead.
3164 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3165 from out of range shift counts.
3166 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3168 2008-03-13 Catherine Moore <clm@codesourcery.com>
3170 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
3171 diagnostic.h with $(DIAGNOSTIC_H).
3173 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3176 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3178 * config/i386/sync.md (sync_compare_and_swap<mode>,
3179 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3180 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3182 (sync_double_compare_and_swapdi_pic,
3183 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3184 cmpxchg8b_pic_memory_operand instead of just memory_operand.
3186 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3189 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
3191 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3194 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3195 (avx_addsubv4df3): Likewise.
3196 (*avx_addsubv4sf3): Likewise.
3197 (sse3_addsubv4sf3): Likewise.
3199 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3202 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
3204 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
3207 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3208 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3209 registers for allocnos created from user-defined variables.
3211 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3214 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3215 of non-integer mode as well.
3217 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
3219 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3220 for functions for which the parameter types are unknown.
3222 2009-03-11 Jakub Jelinek <jakub@redhat.com>
3225 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
3226 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3227 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3228 * config/i386/i386.c (ix86_local_alignment): For
3229 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3230 long long variables on the stack to avoid dynamic realignment.
3231 Allow the first argument to be a decl rather than type.
3232 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3234 2009-03-11 Nick Clifton <nickc@redhat.com>
3237 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
3239 Add description to mno-lsim option.
3240 * config/mcore/mcore.h: Remove comment about deprecated m4align
3242 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
3243 * doc/invoke.texi: Add description of mno-lsim and
3244 mstack-increment options.
3246 * config/fr30/fr30.opt: Document the -mno-lsim option.
3247 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
3248 and -mno-lsim options.
3250 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3252 * fold-const.c (fold_comparison): Only call fold_inf_compare
3253 if the mode supports infinities.
3255 2009-03-11 Jason Merrill <jason@redhat.com>
3258 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3259 end already did. Notice GIMPLE_CALL modifications of the result.
3260 Don't copy debug information from an ignored decl or a decl from
3263 2009-03-10 Richard Guenther <rguenther@suse.de>
3264 Nathan Froyd <froydnj@codesourcery.com>
3267 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3268 (__divMODE3): Likewise.
3270 2009-03-09 Jakub Jelinek <jakub@redhat.com>
3272 PR tree-optimization/39394
3273 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3274 DECL_SIZE_UNIT of variable length FIELD_DECLs.
3276 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3278 * recog.c (verfiy_changes): Disallow renaming of hard regs in
3279 inline asms for register asm ("") declarations.
3281 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
3283 * fold-const.c (fold_unary): Fix comment.
3285 2009-03-07 Jan Hubicka <jh@suse.cz>
3288 * tree-inline.c (setup_one_parameter): Do replacement of const
3289 argument by constant in SSA form.
3291 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3294 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3295 determine alignment passed to assign_stack_local.
3296 (assign_parms_unsplit_complex): Likewise.
3297 * except.c (sjlj_build_landing_pads): Likewise.
3299 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3302 * tree-flow.h (add_referenced_var): Return bool instead of void.
3303 * tree-dfa.c (add_referenced_var): Return result of
3304 referenced_var_check_and_insert call.
3305 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3306 of referenced_var_check_and_insert.
3309 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3310 (gen_variable_die): Emit DW_AT_location on abstract static variable's
3311 DIE, don't emit it if abstract origin already has it.
3312 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3313 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3315 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3317 * genpreds.c (needs_variable): Fix parentheses at variable name
3319 (write_tm_constrs_h): Indent generated code.
3321 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3323 * doc/extend.texi (Function Attributes): Add documentation
3326 2009-03-06 Jakub Jelinek <jakub@redhat.com>
3329 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3330 take locus from its DECL_SOURCE_LOCATION instead of input_location.
3332 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
3334 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3337 2009-03-05 Jakub Jelinek <jakub@redhat.com>
3340 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3341 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3343 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3345 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3346 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3347 constants instead of magic numbers.
3348 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3350 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3351 (x86_64_ms_abi_int_parameter_registers): Ditto.
3352 (x86_64_int_return_registers): Ditto.
3353 (ix86_maybe_switch_abi): Ditto.
3354 (ix86_expand_call): Ditto for clobbered_registers array.
3355 (ix86_hard_regno_mode_ok): Ditto.
3356 (x86_extended_QIreg_mentioned_p): Ditto.
3358 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3360 PR tree-optimization/39349
3361 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3363 * combine.c (gen_lowpart_for_combine): Use omode when generating
3366 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3368 PR rtl-optimization/39235
3369 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3371 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3373 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3375 2009-03-04 Richard Guenther <rguenther@suse.de>
3377 PR tree-optimization/39362
3378 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3379 that occur in abnormal PHIs should be varying.
3381 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3383 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3385 (simple_iv): Take loop as an argument instead of statement.
3386 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3387 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3389 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3391 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3392 * matrix-reorg.c (analyze_transpose): Ditto.
3393 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3394 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3395 * tree-predcom.c (ref_at_iteration): Ditto.
3396 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3398 2009-03-04 Richard Guenther <rguenther@suse.de>
3400 PR tree-optimization/39358
3401 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3402 escaped_id and callused_id.
3403 (solve_graph): Likewise.
3405 2009-03-04 Richard Guenther <rguenther@suse.de>
3407 PR tree-optimization/39339
3408 * tree-sra.c (try_instantiate_multiple_fields): Make it
3409 no longer ICE on the above.
3411 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3413 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3414 that fits within Pmode.
3416 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3419 * tm.texi (LIBCALL_VALUE): Update description.
3421 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3424 * doc/extend.texi (section): Update description.
3426 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3429 * tree-inline.c (remapped_type): New.
3430 (can_be_nonlocal): Call remapped_type instead of remap_type.
3432 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3435 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3436 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3438 2009-03-03 Richard Guenther <rguenther@suse.de>
3441 * tree.c (tree_nonartificial_location): New function.
3442 * tree.h (tree_nonartificial_location): Declare.
3443 * builtins.c (expand_builtin_memory_chk): Provide location
3444 of the call location for artificial function pieces.
3445 (maybe_emit_chk_warning): Likewise.
3446 (maybe_emit_sprintf_chk_warning): Likewise.
3447 (maybe_emit_free_warning): Likewise.
3448 * expr.c (expand_expr_real_1): Likewise.
3450 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3452 PR tree-optimization/39343
3453 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3454 COMPONENT_REF t has ARRAY_TYPE.
3456 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3459 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3460 when the type precision of the induction variable should be
3461 larger than the type precision of nit.
3462 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3463 * graphite.c (graphite_loop_normal_form): Same.
3464 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3466 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3468 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3469 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3470 numbers to describe clobbered registers.
3471 (*call_value_0_rex64_ms_sysv): Ditto.
3472 * config/i386/mmx.md (mmx_emms): Ditto.
3475 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3477 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3480 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3482 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3483 (spu_section_type_flags): New function.
3485 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3487 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3488 reg_class_contents of FLOAT_REGS into a temporary.
3490 2009-03-02 Richard Guenther <rguenther@suse.de>
3491 Ira Rosen <irar@il.ibm.com>
3493 PR tree-optimization/39318
3494 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3495 information to the vectorized statement.
3497 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3499 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3500 variable. Use defined names instead of magic constants for REX SSE
3503 2009-03-01 Richard Guenther <rguenther@suse.de>
3505 PR tree-optimization/39331
3506 * omp-low.c (lower_send_shared_vars): Do not receive new
3507 values for the reference of DECL_BY_REFERENCE parms or results.
3509 2009-03-01 Jan Hubicka <jh@suse.cz>
3512 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3513 BLOCK_NONLOCALIZED_VAR): New macros.
3514 (tree_block): Add nonlocalized_vars.
3515 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3516 gen_decl_die): Add origin argument. Allow generation of die with
3517 origin at hand only.
3518 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3519 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3521 (gen_block_die): Fix checking for unused blocks.
3522 (process_scope_var): Break out from .... ; work with origins only.
3523 (decls_for_scope) ... here; process nonlocalized list.
3524 (dwarf2out_ignore_block): Look for nonlocalized vars.
3525 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3527 (dump_scope_block): Dump them.
3528 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3529 (remap_block): Likewise.
3530 (can_be_nonlocal): New predicate.
3531 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3533 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3535 * configure: Regenerate.
3537 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3539 * optc-gen.awk: No need to duplicate option flags twice.
3540 Reuse help texts for duplicate options which do not have any.
3542 * gcc.c (display_help): Document --version.
3544 * gcc.c (main): If print_help_list and verbose_flag, ensure
3545 driver output comes before subprocess output.
3547 * optc-gen.awk: Assign all remaining fields to help string,
3548 space-separated, for multi-line help in *.opt.
3550 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3551 -Wno-pedantic-ms-format is for MinGW targets only.
3553 * doc/options.texi (Option file format): Fix bad indentation,
3554 restoring dropped sentence.
3556 2009-02-28 Jan Hubicka <jh@suse.cz>
3558 * tree-inline.c (tree_function_versioning): Output debug info.
3560 2009-02-28 Jan Hubicka <jh@suse.cz>
3563 * tree-inline.c (setup_one_parameter): Do not copy propagate
3564 arguments when not optimizing.
3566 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3569 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3570 (avx_addsubv4df3): Likewise.
3571 (*avx_addsubv4sf3): Likewise.
3572 (sse3_addsubv4sf3): Likewise.
3573 (*avx_addsubv2df3): Likewise.
3574 (sse3_addsubv2df3): Likewise.
3575 (avx_unpckhps256): Correct item selectors.
3576 (avx_unpcklps256): Likewise.
3577 (avx_unpckhpd256): Likewise.
3578 (avx_unpcklpd256): Likewise.
3580 2009-02-28 Jan Hubicka <jh@suse.cz>
3582 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3584 (copy_arguments_for_versioning): If var is declared don't declare it.
3585 (tree_function_versioning): First setup substitutions and then copy
3588 2009-02-27 Jan Hubicka <jh@suse.cz>
3591 * cgraph.h (varpool_output_debug_info): Remove.
3592 * cgraphunit.c (varpool_output_debug_info): Remove.
3593 * dwarf2out.c (deferred_locations_struct): New struct
3594 (deferred_locations): New type.
3595 (deferred_locations_list): New static var.
3596 (deffer_location): New function.
3597 (gen_variable_die): Use it.
3598 (decls_for_scope): Output info on local static vars.
3599 (dwarf2out_finish): Process deferred locations.
3600 * varpool.c (varpool_output_debug_info): Remove.
3602 2009-02-27 Jan Hubicka <jh@suse.cz>
3605 * tree.h (TREE_PROTECTED): Fix comment.
3606 (BLOCK_HANDLER_BLOCK): Remove.
3607 (struct tree_block): Remove handler_block add body_block.
3608 (inlined_function_outer_scope_p): New.
3609 (is_body_block): Remove.
3610 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3611 * dwarf2out.c (is_inlined_entry_point): Remove.
3612 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3613 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3615 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3616 * gimplify.c (gimplify_expr): Gimplify body blocks.
3617 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3618 block with multiple subblocks.
3619 (dump_scope_block): Prettier output; dump more flags and info.
3620 (dump_scope_blocks): New.
3621 (remove_unused_locals): Use dump_scope_blocks.
3622 * tree-flow.h (dump_scope_blocks): Declare.
3623 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3624 * stmt.c (is_body_block): Remove.
3625 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3626 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3628 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3631 * graphite.c (graphite_loop_normal_form): Do not call
3632 number_of_iterations_exit from a gcc_assert.
3634 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3636 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3637 jumps if COND is NULL.
3638 (find_cond_jump): New function.
3639 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3640 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3642 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3644 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3645 force_const_mem returns NULL_RTX.
3647 2009-02-26 Jan Hubicka <jh@suse.cz>
3650 * cgraph.h (varpool_output_debug_info): Remove.
3651 * cgraphunit.c (varpool_output_debug_info): Remove.
3652 * dwarf2out.c (deferred_locations_struct): New struct
3653 (deferred_locations): New type.
3654 (deferred_locations_list): New static var.
3655 (deffer_location): New function.
3656 (gen_variable_die): Use it.
3657 (decls_for_scope): Output info on local static vars.
3658 (dwarf2out_finish): Process deferred locations.
3659 * varpool.c (varpool_output_debug_info): Remove.
3661 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3663 PR rtl-optimization/39241
3664 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3665 to subreg_offset_representable_p.
3667 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3669 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3670 execute function prototype. Get f and nregs from max_reg_num
3671 and get_insns. Remove the first backward pass as it's dead,
3672 guard the forward pass by flag_expensive_optimizations.
3673 (rest_of_handle_regmove): Delete.
3674 (pass_regmove): Replace it with regmove_optimize.
3676 2009-02-25 Martin Jambor <mjambor@suse.cz>
3678 PR tree-optimization/39259
3679 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3680 calls_alloca function flags.
3681 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3684 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3686 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3687 flags_set_1_rtx, flags_set_1_set): Delete.
3688 (regmove_optimize): Do not call mark_flags_life_zones.
3690 2009-02-24 Julian Brown <julian@codesourcery.com>
3693 * config/arm/arm.c (require_pic_register): Only set
3694 cfun->machine->pic_reg once per function.
3696 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3698 * doc/invoke.texi (Link Options): Document an easier way to pass
3699 options that take arguments to the GNU linker using -Xlinker and -Wl.
3701 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3704 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3706 2009-02-24 Richard Guenther <rguenther@suse.de>
3709 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3711 2009-02-24 Richard Guenther <rguenther@suse.de>
3712 Zdenek Dvorak <ook@ucw.cz>
3714 PR tree-optimization/39233
3715 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3716 from converting them to a generic type.
3718 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3720 PR tree-optimization/39260
3721 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3722 contains a condition with a real type.
3723 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3725 2009-02-23 Jason Merrill <jason@redhat.com>
3728 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3729 narrowing_initializer_constant_valid_p.
3730 (narrowing_initializer_constant_valid_p): Don't return
3731 null_pointer_node for adding a pointer to itself.
3733 2009-02-23 Jan Hubicka <jh@suse.cz>
3736 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3739 2009-02-23 Jan Hubicka <jh@suse.cz>
3741 PR tree-optimization/37709
3742 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3743 * tree.h (block_ultimate_origin): Declare.
3744 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3745 * tree-ssa-live.c (remove_unused_scope_block_p):
3746 Eliminate blocks containig no instructions nor live variables nor
3748 (dump_scope_block): New function.
3749 (remove_unused_locals): Enable removal of dead blocks by default;
3750 enable dumping at TDF_DETAILS.
3752 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3754 * config/i386/i386.c (classify_argument): Don't allow COImode
3756 (function_arg_advance_32): Don't allow OImode.
3757 (function_arg_32): Likewise.
3758 (function_value_32): Likewise.
3759 (return_in_memory_32): Likewise.
3760 (function_arg_64): Remove OImode comment.
3762 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3765 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3766 ix86_expand_vector_set for V4DImode in 64bit mode only.
3767 (ix86_expand_vector_init_one_var): Likewise.
3769 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3771 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3773 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3776 * loop-iv.c: Revert last change.
3777 * emit-rtl.c: Likewise.
3779 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3782 * config/i386/i386.c (type_natural_mode): Remove an extra
3783 space in the warning message.
3784 (function_value_32): Handle 32-byte vector modes.
3785 (return_in_memory_32): Likewise.
3787 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3789 * loop-iv.c (truncate_value): New function.
3790 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3792 (lowpart_subreg): Move to...
3793 * emit-rtl.c: ...here.
3795 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3797 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3798 accidental and undocumented change at revision 140860.
3800 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3802 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3803 take gimple_seq * arguments.
3804 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3805 types_compatible_p langhook.
3807 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3808 Joseph Myers <joseph@codesourcery.com>
3810 * config/arm/arm.c (arm_builtin_va_list): New function.
3811 (arm_expand_builtin_va_start): Likewise.
3812 (arm_gimplify_va_arg_expr): Likewise.
3813 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3814 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3815 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3816 (va_list_type): New variable.
3817 (arm_mangle_type): Mangle va_list_type appropriately.
3819 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3822 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3823 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3824 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3825 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3826 parameter to 1000 for -O1 by default.
3827 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3829 * loop-invariant.c: Include params.h.
3830 (move_loop_invariants): Don't call move_single_loop_invariants on
3833 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3835 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3836 offset when calculating bounds for indexing stack_usage_map. Fixes
3837 a buffer overflow with certain target setups.
3839 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3842 * calls.c (expand_call): Clear try_tail_call if caller and callee
3843 disagree in promotion of function return value.
3845 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3848 * c-common.c (c_determine_visibility): If visibility changed and
3849 DECL_RTL has been already set, call make_decl_rtl to update symbol
3852 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3855 * varasm.c (assemble_variable): Don't check DECL_NAME when
3856 globalizing a variable.
3858 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3861 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3862 expression before any __builtin_trap call.
3863 * c-typeck.c (build_function_call): Convert and check function
3864 arguments before generating a call to a trap. Evaluate the
3865 function arguments before the trap.
3867 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3870 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3871 (UNSPEC_FXAM_MEM): New unspec.
3872 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3873 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3874 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3876 2009-02-19 Richard Guenther <rguenther@suse.de>
3878 PR tree-optimization/39207
3879 PR tree-optimization/39074
3880 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3881 storedanything_tree): New.
3882 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3883 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3884 (build_succ_graph): Add edges from STOREDANYTHING to all
3886 (init_base_vars): Initialize STOREDANYTHING.
3887 (compute_points_to_sets): Free substitution info after
3888 building the succ graph.
3889 (ipa_pta_execute): Likewise.
3891 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3893 (do_ds_constraint): Do not add to special var or non-pointer
3895 (type_could_have_pointers): Split out from ...
3896 (could_have_pointers): ... here. For arrays use the element type.
3897 (create_variable_info_for): Initialize may_have_pointers.
3898 (new_var_info): Likewise.
3899 (handle_lhs_call): Make the HEAP variable unknown-sized.
3900 (intra_create_variable_infos): Use a type with pointers for
3901 PARM_NOALIAS, make it unknown-sized.
3903 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3906 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3908 2009-02-18 Jason Merrill <jason@redhat.com>
3911 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3912 value if DECL_EXTERNAL.
3913 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3914 * target.h (gcc_target::binds_local_p): Clarify "module".
3915 * tree.h (TREE_PUBLIC): Clarify "module".
3917 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3920 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3921 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3923 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3926 * c.opt (Wabi): Support C and ObjC.
3929 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3931 * config/i386/i386.c (classify_argument): Warn once about the ABI
3932 change when passing union with long double.
3934 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3936 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3939 * c-parser.c (c_parser_compound_statement): Always enter and leave
3942 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3945 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3947 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3949 PR tree-optimization/36922
3950 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3951 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3954 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3956 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3959 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3961 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3963 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3965 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3968 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
3969 Richard Sandiford <rdsandiford@googlemail.com>
3971 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3972 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3973 (loongson_biadd): ...this.
3975 2009-02-17 Richard Guenther <rguenther@suse.de>
3977 PR tree-optimization/39202
3978 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3979 a var make sure to follow existing collapses.
3981 2009-02-17 Richard Guenther <rguenther@suse.de>
3984 * langhooks.c (lhd_print_error_function): Check for NULL block.
3986 2009-02-17 Richard Guenther <rguenther@suse.de>
3988 PR tree-optimization/39204
3989 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
3992 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
3994 * config/soft-fp/double.h: Update from glibc CVS.
3996 2009-02-17 Richard Guenther <rguenther@suse.de>
3998 PR tree-optimization/39207
3999 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4000 strict-aliasing warnings for pointers pointing to NULL.
4002 2009-02-16 Joseph Myers <joseph@codesourcery.com>
4005 * c-parser.c (c_parser_braced_init): Call pop_init_level when
4006 skipping until next close brace.
4008 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
4011 * config/i386/i386.c (ix86_expand_push): Set memory alignment
4012 to function argument boundary.
4014 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4016 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4017 in the lea_add. Reload eventually constraints it properly.
4018 * config/picochip/constraints.md : Remove the target constraint
4019 "b", since it is not needed anymore.
4021 2009-02-16 Jakub Jelinek <jakub@redhat.com>
4023 * gthr-dce.h: Uglify function parameter and local variable names.
4024 * gthr-gnat.h: Likewise.
4025 * gthr-mipssde.h: Likewise.
4026 * gthr-nks.h: Likewise.
4027 * gthr-posix95.h: Likewise.
4028 * gthr-posix.h: Likewise.
4029 * gthr-rtems.h: Likewise.
4030 * gthr-single.h: Likewise.
4031 * gthr-solaris.h: Likewise.
4032 * gthr-tpf.h: Likewise.
4033 * gthr-vxworks.h: Likewise.
4034 * gthr-win32.h: Likewise.
4036 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
4039 * config/i386/i386.md: Restrict the new peephole2 to move
4040 between MMX/SSE registers.
4042 2009-02-15 Richard Guenther <rguenther@suse.de>
4045 2009-02-13 Richard Guenther <rguenther@suse.de>
4047 * configure.ac: Enable LFS.
4048 * configure: Re-generate.
4049 * config.in: Likewise.
4051 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4053 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4054 spu_srqwbyte, spu_srqwbytebc): Define.
4055 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4056 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4057 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4058 "shrqby_<mode>"): New insn-and-split patterns.
4059 * config/spu/spu.c (expand_builtin_args): Determine and return
4060 number of operands using spu_builtin_description data.
4061 (spu_expand_builtin_1): Use it.
4063 2009-02-13 Steve Ellcey <sje@cup.hp.com>
4066 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4069 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4072 * config/i386/i386.c (override_options): Correct warning
4073 messages for -malign-loops, -malign-jumps and -malign-functions.
4075 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4078 * config/i386/i386.md: Restrict the new peephole2 to move
4079 between the general purpose registers.
4081 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4084 * config/i386/i386.c (type_natural_mode): Add a new argument.
4085 Return the original mode and warn ABI change if vector size is 32byte.
4086 (function_arg_advance): Updated.
4087 (function_arg): Likewise.
4088 (ix86_function_value): Likewise.
4089 (ix86_return_in_memory): Likewise.
4090 (ix86_sol10_return_in_memory): Likewise.
4091 (ix86_gimplify_va_arg): Likewise.
4092 (function_arg_32): Don't warn ABX ABI change here.
4093 (function_arg_64): Likewise.
4095 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
4097 * loop-iv.c (implies_p): In the final case, test that operands 0
4098 of the two comparisons match.
4100 * config/bfin/bfin.c (find_prev_insn_start): New function.
4101 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4102 (find_next_insn_start): Move.
4104 2009-02-13 Richard Guenther <rguenther@suse.de>
4106 * configure.ac: Enable LFS.
4107 * configure: Re-generate.
4108 * config.in: Likewise.
4110 2009-02-13 Joseph Myers <joseph@codesourcery.com>
4113 * c-parser.c (c_parser_parms_list_declarator): Discard pending
4114 sizes on syntax error after some arguments have been parsed.
4116 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4118 * doc/invoke.texi (-fira): Remove.
4120 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4122 * caller-save.c: Replace regclass.c with reginfo.c in comments.
4123 * recog.c: Likewise.
4126 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
4128 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4129 (umul_ppmm): Likewise.
4130 (count_leading_zeros): Likewise.
4131 (count_trailing_zeros): Likewise.
4132 (UMUL_TIME): Likewise.
4134 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4136 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4137 soft-fp/t-softfp to tmake_file.
4139 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
4140 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4141 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4142 IA64_BUILTIN_INFQ]: New.
4143 (ia64_init_builtins): Initialize __builtin_infq,
4144 __builtin_fabsq and __builtin_copysignq if not HPUX.
4145 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4146 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4148 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4150 (__fixtfti): Likewise.
4151 (__fixunstfti): Likewise.
4152 (__floattitf): Likewise.
4154 * config/ia64/libgcc-glibc.ver: New.
4155 * config/ia64/t-fprules-softfp: Likewise.
4156 * config/ia64/sfp-machine.h: Likewise.
4158 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4159 (LIBGCC2_TF_CEXT): Likewise.
4160 (TF_SIZE): Likewise.
4161 (TARGET_INIT_LIBFUNCS): Likewise.
4163 * config/ia64/t-glibc (SHLINB_MAPFILES):
4164 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
4166 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4168 * config/i386/i386.c (construct_container): Rewrite processing
4169 BLKmode with X86_64_SSE_CLASS.
4171 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
4174 * config/i386/i386.md: Replace simplify_replace_rtx with
4175 replace_rtx in the new peephole2.
4177 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
4179 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4180 loop unrolling do not happen at -O2.
4182 2009-02-12 Michael Matz <matz@suse.de>
4184 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4186 2009-02-12 Jakub Jelinek <jakub@redhat.com>
4188 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4191 2009-02-12 Ben Elliston <bje@au.ibm.com>
4193 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4194 patterns when updating the back chain. Missed in the 2009-02-10
4197 2009-02-11 Janis Johnson <janis187@us.ibm.com>
4199 * doc/extend.texi (Decimal Floating Types): Update identifier of
4200 draft TR and list of missing support.
4202 2009-02-11 Jakub Jelinek <jakub@redhat.com>
4205 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4206 bit to variable length decl's flags, add it also to its
4207 pointer replacement variable.
4209 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
4210 Jakub Jelinek <jakub@redhat.com>
4213 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4214 (memory_blockage): New expander.
4215 (*memory_blockage): New insn pattern.
4216 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4217 instead of general blockage at the end of function prologue when
4218 frame pointer is used to access red zone area. Do not emit blockage
4219 when profiling, it is emitted in generic code.
4220 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4221 function epilogue when frame pointer is used to access red zone area.
4223 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
4226 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4227 by arithmetic with memory operands.
4228 * config/i386/predicates.md (commutative_operator): New.
4230 2009-02-10 Janis Johnson <janis187@us.ibm.com>
4232 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
4235 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
4237 * alias.h (record_alias_subset): Declare.
4238 * alias.c (record_alias_subset): Make global.
4240 2009-02-10 Nick Clifton <nickc@redhat.com>
4242 * tree-parloops.c: Change license to GPLv3.
4243 * ipa-struct-reorg.c: Change license to GPLv3.
4244 * ipa-struct-reorg.h: Change license to GPLv3.
4246 2009-02-10 Steve Ellcey <sje@cup.hp.com>
4249 * c-decl.c (start_struct): Return NULL on error.
4251 2009-02-10 Jakub Jelinek <jakub@redhat.com>
4254 * cfgloopmanip.c (remove_path): Call remove_bbs after
4255 cancel_loop_tree, not before it.
4258 * function.h (struct function): Add has_local_explicit_reg_vars bit.
4259 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
4260 VAR_DECLs were seen.
4261 * tree-ssa-live.c (remove_unused_locals): Recompute
4262 cfun->has_local_explicit_reg_vars.
4263 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
4264 copies or clearings if cfun->has_local_explicit_reg_vars.
4266 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
4269 * config/i386/i386.c (expand_prologue): Emit blockage at the end
4270 of function prologue when frame pointer is used to access
4273 2009-02-10 Richard Guenther <rguenther@suse.de>
4276 * gimplify.c (gimple_regimplify_operands): Always look if
4277 we need to create a temporary.
4279 2009-02-10 Richard Guenther <rguenther@suse.de>
4281 PR tree-optimization/39132
4282 * tree-loop-distribution.c (todo): New global var.
4283 (generate_memset_zero): Trigger TODO_rebuild_alias.
4284 (tree_loop_distribution): Return todo.
4286 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
4289 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
4290 (x86_64_reg_class_name): Removed.
4291 (classify_argument): Return 0 if bytes > 32. Return 0 if the
4292 first one isn't X86_64_SSE_CLASS or any other ones aren't
4293 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
4294 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
4295 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
4296 and 3 X86_64_SSEUP_CLASS.
4297 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
4298 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
4300 2009-02-10 Ben Elliston <bje@au.ibm.com>
4302 * config/rs6000/rs6000.md (allocate_stack): Always use an update
4303 form instruction to update the stack back chain word, even if the
4304 user has disabled the generation of update instructions.
4305 (movdi_<mode>_update_stack): New.
4306 (movsi_update_stack): Likewise.
4307 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
4308 always use an update form instruction to update the stack back
4311 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
4314 * graphite.c (if_region_set_false_region): After moving a region in
4315 the false branch of a condition, remove the empty dummy basic block.
4316 (gloog): Remove wrong fix for PR38953.
4318 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4320 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
4321 generation due to implicit sign extension.
4323 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
4326 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
4327 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
4329 2009-02-09 Richard Guenther <rguenther@suse.de>
4332 * convert.c (convert_to_real): Disable (float)fn((double)x)
4333 to fnf(x) conversion if errno differences may occur and
4334 -fmath-errno is set.
4336 2009-02-07 Anatoly Sokolov <aesok@post.ru>
4338 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
4339 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4340 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4342 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4345 * c-common.c (handle_alias_attribute): Disallow attribute for
4346 anything not a FUNCTION_DECL or VAR_DECL.
4348 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4351 * real.c (do_compare): Special-case compare of zero against
4352 decimal float value.
4354 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4357 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4358 as indicating flexible array members unless the field itself is
4359 being declarared as the incomplete array.
4361 2009-02-06 Jan Hubicka <jh@suse.cz>
4363 PR tree-optimization/38844
4364 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4367 2009-02-06 Richard Guenther <rguenther@suse.de>
4370 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4371 fork because we may expand it as __gcov_fork.
4373 2009-02-06 Nick Clifton <nickc@redhat.com>
4375 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4377 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4379 PR tree-optimization/35659
4380 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4381 vn_phi_eq): Shortcut if hashcode does not match.
4382 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4384 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4385 and avoid iterative_hash_expr.
4386 (FOR_EACH_VALUE_ID_IN_SET): New.
4387 (value_id_compare): Remove.
4388 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4389 sort expressions by value id.
4391 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4394 * config/sh/predicates.md (general_movsrc_operand): Don't check
4395 the subreg of system registers here.
4397 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4400 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4403 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4405 PR rtl-optimization/39110
4406 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4407 addresses, not aligned ones.
4409 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4410 Richard Guenther <rguenther@suse.de>
4412 PR tree-optimization/39100
4413 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4414 comment says and add edges.
4416 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4419 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4420 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4422 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4424 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4425 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4426 register_bb_in_sese, new_sese, free_sese): Moved.
4427 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4428 outermost_loop_in_scop, build_scop_iteration_domain,
4429 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4430 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4431 Use loop_in_sese_p instead of loop_in_scop_p.
4432 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4433 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4434 (scopdet_basic_block_info): Fix bug in scop detection.
4435 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4436 eq_loop_to_cloog_loop): Remove.
4437 (nb_loops_around_loop_in_scop, nb_loop
4438 ref_nb_loops): Moved here...
4439 * graphite.h (ref_nb_loops): ... from here.
4440 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4441 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4442 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4443 * testsuite/gcc.dg/graphite/scop-19.c: New
4445 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4446 Hans-Peter Nilsson <hp@axis.com>
4448 PR rtl-optimization/37889
4449 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4450 Move offset handling from PLUS to before the switch. Use new
4451 arguments when considering SYMBOL_REFs too.
4452 (rtx_addr_can_trap_p): Pass dummy offset and size.
4453 (enum may_trap_p_flags): Remove.
4454 (may_trap_p_1): Pass size from MEM_SIZE.
4456 PR rtl-optimization/38921
4457 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4458 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4459 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4460 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4462 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4464 AVX Programming Reference (January, 2009)
4465 * config/i386/sse.md (*vpclmulqdq): New.
4467 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4469 PR tree-optimization/38977
4470 PR gcov-profile/38292
4471 * calls.c (special_function_p): Disregard __builtin_ prefix.
4473 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4475 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4476 non-indexable addresses even before reload.
4478 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4481 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4482 as having variable size. Do not give an error for unnamed
4483 parameters with [*] declarators. Give a warning for type names
4484 with [*] declarators and mark them as variable size.
4485 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4486 for sizeof applied to [*] type names.
4488 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4491 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4493 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4495 * gcc.c (process_command): Update copyright notice dates.
4496 * gcov.c (print_version): Likewise.
4497 * gcov-dump.c (print_version): Likewise.
4498 * mips-tfile.c (main): Likewise.
4499 * mips-tdump.c (main): Likewise.
4501 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4504 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4505 for composite type involving a zero-length array type.
4507 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4510 * function.c (match_asm_constraints_1): Skip over
4511 initial optional % in the constraint.
4514 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4515 supported, don't accept FIXED_CSTs.
4516 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4517 and _Sat is used without _Fract/_Accum. Set specs->type to
4518 integer_type_node for cts_fract/cts_accum if fixed point is not
4521 2009-02-02 Catherine Moore <clm@codesourcery.com>
4523 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4525 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4527 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4528 (ABI_HAS_64BIT_SYMBOLS): Use it.
4529 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4531 2009-02-02 Paul Brook <paul@codesourcery.com>
4533 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4535 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4538 * recog.h (asm_operand_ok): Add constraints argument.
4539 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4540 recurse on matching constraint.
4541 (check_asm_operands): Pass constraints as 3rd argument to
4542 asm_operand_ok. Don't look up matching constraint here.
4543 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4546 2009-02-02 Ben Elliston <bje@au.ibm.com>
4548 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4549 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4551 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4553 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4554 information. Remove some obsolete information. Reorganize.
4556 * config/pa/fptr.c: Revert license to GPL 2.
4557 * config/pa/milli64.S: Likewise.
4559 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4562 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4563 LIBRARY name in, instead of hard-coding it.
4564 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4565 extra target make frag to tmake_files according to EH model.
4566 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4567 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4568 frags that define makefile variable EH_MODEL appropriately.
4569 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4570 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4571 to "-sjlj" according to type of EH configured.
4572 (LIBGCC_SONAME): Concatenate it to shared library base name.
4573 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4574 to "_sjlj" according to type of EH configured.
4575 (LIBGCC_SONAME): Concatenate it to shared library base name.
4576 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4577 (SHLIB_LINK): Add missing semicolon to if-else construct.
4578 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4579 string value of "pe_dll" command-line option.
4580 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4581 (SHLIB_SONAME): Use it when overriding t-cygming default.
4582 (SHLIB_IMPLIB): Override t-cygming default.
4583 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4584 string value of "pe_dll" command-line option.
4586 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4589 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4590 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4592 2009-01-31 Richard Guenther <rguenther@suse.de>
4594 PR tree-optimization/38937
4595 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4596 computing the transitive closure.
4598 2009-01-30 Richard Guenther <rguenther@suse.de>
4600 PR tree-optimization/39041
4601 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4602 Propagate variable indices only if the types match for this stmt.
4604 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4607 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4608 inline but never defined.
4610 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4612 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4613 (*insv_h_di_reg_extimm): New insn.
4614 (*insv_l<mode>_reg_extimm): New insn.
4616 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4618 * config/picochip/picochip.c (flag_conserve_stack): set
4619 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4620 fconserve-stack. Reduce call-overhead used by inliner.
4622 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4625 * common.opt (flag_conserve_stack): Initialised to zero.
4627 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4630 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4631 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4634 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4636 * ira-color.c (allocno_reload_assign): Update comments.
4637 * regmove.c (regmove_optimize): Likewise.
4641 2009-01-29 Robert Millan <rmh@aybabtu.com>
4643 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4644 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4645 `MD_UNWIND_SUPPORT'.
4646 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4648 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4650 PR tree-optimization/39007
4651 * tree-loop-distribution.c (generate_builtin): Use
4652 recompute_dominator to compute the immediate dominator of the
4653 basic block just after the loop.
4655 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4657 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4658 (ASM_OUTPUT_DWARF_PCREL): Define.
4660 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4662 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4663 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4664 global. Modify entries about regmove and IRA.
4666 * ra-conflict.c: Remove the file.
4668 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4670 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4671 (pass_regclass_init): Rename to pass_reginfo_init.
4673 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4675 * toplev.h (flag_ira): Remove.
4677 * caller-save.c (setup_save_areas): Remove flag_ira.
4679 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4681 * global.c: Remove the file.
4683 * opts.c (decode_options): Remove flag_ira.
4685 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4687 * regmove.c: Modify file description.
4688 (find_use_as_address, try_auto_increment): Define them only if
4689 AUTO_INC_DEC is defined.
4690 (replacement_quality, replace_in_call_usage, fixup_match_1,
4691 stable_and_no_regs_but_for_p): Remove.
4692 (reg_set_in_bb): Make it static.
4693 (regmove_optimize): Remove flag_ira and code which worked for
4696 * local-alloc.c: Remove the file.
4698 * common.opt (fira): Remove.
4700 * ira.c: Include except.h.
4701 (eliminable_regset): Move from global.c.
4702 (mark_elimination): Ditto. Remove flag_ira.
4703 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4704 equiv_mem_modified, validate_equiv_mem_from_store,
4705 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4706 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4707 no_equiv, recorded_label_ref): Move from local-alloc.c.
4708 (update_equiv_regs): Ditto. Make it static.
4709 (print_insn_chain, print_insn_chains): Move it from global.c.
4710 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4711 (build_insn_chain): Ditto. Make it static.
4712 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4713 Rename to init_live_subregs.
4714 (gate_ira): Remove flag_ira.
4716 * regclass.c: Rename reginfo.c. Change file description.
4717 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4718 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4719 (init_reg_sets_1): Remove code for evaluation of
4720 reg_class_superclasses and losing_caller_save_reg_set.
4721 (init_regs): Remove init_reg_autoinc.
4722 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4723 ok_for_base_p_nonstrict): Remove.
4724 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4725 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4726 corresponding entries.
4727 (dump_regclass, record_operand_costs, scan_one_insn,
4728 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4729 record_address_regs, auto_inc_dec_reg_p): Remove.
4730 (gt-regclass.h): Rename to gt-reginfo.h.
4732 * rtl.h (dump_global_regs, retry_global_alloc,
4733 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4735 * Makefile.in (RA_H): Remove.
4736 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4737 Rename regclass.o to reginfo.o.
4738 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4740 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4741 (GTFILES): Rename regclass.c to reginfo.c.
4743 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4744 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4746 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4747 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4749 (finish_spills): Ditto. Remove code for !flag_ira.
4751 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4754 * doc/invoke.texi (rtl debug options): Complete rewrite.
4755 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4757 * mode-switching.c (pass_mode_switching): Rename pass from
4758 "mode-sw" to "mode_sw".
4759 * except.c (pass_convert_to_eh_ranges): Rename pass from
4760 "eh-ranges" to "eh_ranges".
4761 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4765 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4766 Alexander Monakov <amonakov@ispras.ru>
4769 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4771 (move_exprs_to_boundary): Change return type and pass through
4772 should_move from move_op. Relax assert. Update usage ...
4773 (schedule_expr_on_boundary): ... here. Use should_move instead of
4775 (move_op_orig_expr_found): Indicate that insn was disconnected from
4777 (code_motion_process_successors): Do not call after_merge_succs
4778 callback if original expression was not found when traversing any of
4780 (code_motion_path_driver): Change return type. Update prototype.
4781 (move_op): Update comment. Add a new parameter (should_move). Update
4782 prototype. Set *should_move based on indication provided by
4783 move_op_orig_expr_found.
4785 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4787 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4788 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4789 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4790 * config/rs6000/rs6000.c (rs6000_override_options): Default
4791 avoid-indexed-addresses on for Power6, off for everything else.
4792 (avoiding_indexed_address_p): New function.
4793 (rs6000_legitimize_address): Use it.
4794 (rs6000_legitimate_address): Likewise.
4795 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4797 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4799 PR tree-optimization/38997
4800 * tree-loop-distribution.c (generate_memset_zero): Use
4801 POINTER_PLUS_EXPR for a pointer addition.
4803 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4805 * config/s390/s390.md (bswap<mode>2): New pattern added.
4807 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4809 * config/s390/s390.md (*tls_load_31): Added type attribute.
4811 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4813 * config/s390/s390.md: Fix a few comments.
4815 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4817 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4818 (*tm<mode>_full): Fixed z10prop attribute.
4819 (*tst<mode>_extimm): Fixed z10prop attribute.
4820 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4821 (*tstqiCCT_cconly): Fixed z10prop attribute.
4822 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4823 (*movsi_larl): Fixed z10prop attribute.
4824 (*movsi_zarch): Fixed z10prop attribute.
4825 (*movsi_eas): Fixed z10prop attribute.
4826 (*movhi): Fixed z10prop attribute.
4827 (*movqi): Fixed z10prop attribute.
4828 (*movstrictqi): Fixed z10prop attribute.
4829 (*mov<mode>): Fixed z10prop attribute.
4830 (*movcc): Fixed z10prop attribute.
4831 (*sethighpartdi_64): Fixed z10prop attribute.
4832 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4833 (*negdi2_sign_cc): Fixed z10prop attribute.
4834 (*negdi2_sign): Fixed z10prop attribute.
4835 (*absdi2_sign_cc): Fixed z10prop attribute.
4836 (*absdi2_sign): Fixed z10prop attribute.
4837 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4838 (*negabsdi2_sign): Fixed z10prop attribute.
4839 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4840 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4841 (doloop_si64): Fixed z10prop attribute.
4842 (doloop_si31): Fixed z10prop attribute.
4843 (doloop_long): Fixed z10prop attribute.
4844 (indirect_jump): Fixed z10prop attribute.
4845 (nop): Fixed z10prop attribute.
4846 (main_base_64): Fixed z10prop attribute.
4847 (reload_base_64): Fixed z10prop attribute.
4849 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4851 PR rtl-optimization/38740
4852 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4854 * config/mips/mips.c (mips_reorg): Likewise.
4856 2009-01-28 Richard Guenther <rguenther@suse.de>
4858 PR tree-optimization/38926
4859 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4860 with the correct value id to a value.
4861 (do_regular_insertion): Use the value number of edoubleprime
4862 for the value number of the expr.
4865 2008-08-21 Richard Guenther <rguenther@suse.de>
4867 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4868 a PHI ask VN if it is already available.
4869 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4870 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4872 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4875 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4876 set to varying whenever max has TREE_OVERFLOW set, similarly
4877 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4879 2009-01-28 Richard Guenther <rguenther@suse.de>
4882 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4883 uninitialized aggregate uses in call arguments.
4885 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4887 PR tree-optimization/38984
4888 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4889 the nothing_id variable if -fno-delete-null-pointer-checks.
4891 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4894 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4895 (set_got_offset_rex64): Ditto.
4897 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4900 * doc/extend.texi: Improve local variable with asm reg.
4902 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4904 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4905 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4906 was not supplied then set warn_packed_bitfield_compat to the
4908 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4911 2009-01-27 Richard Guenther <rguenther@suse.de>
4913 PR tree-optimization/38503
4914 * cfgexpand.c (expand_gimple_basic_block): Ignore
4915 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4916 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4917 variables that cannot have TBAA applied.
4918 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4921 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4924 * calls.c (initialize_argument_information): Do not wrap complex
4925 arguments in SAVE_EXPR.
4927 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4929 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4930 (INSTALL_LIBGCC): Revert typo commit.
4932 2009-01-26 Richard Guenther <rguenther@suse.de>
4934 PR tree-optimization/38745
4935 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4936 from special handling.
4938 2009-01-26 Richard Guenther <rguenther@suse.de>
4940 PR tree-optimization/38745
4941 * tree-ssa.c (execute_update_addresses_taken): Do not include
4942 variables that cannot possibly be a register in not_reg_needs.
4943 Do not clear TREE_ADDRESSABLE on vars that may not become
4945 * tree-ssa.c (update_alias_info_1): Include those in the set
4946 of addressable vars.
4948 2009-01-26 Richard Guenther <rguenther@suse.de>
4951 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4952 * tree-ssa-dse.c: Include langhooks.h
4953 (execute_simple_dse): Remove stores with zero size.
4955 2009-01-24 Jakub Jelinek <jakub@redhat.com>
4958 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
4961 2009-01-24 Julian Brown <julian@codesourcery.com>
4963 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
4964 config/arm/linux-atomic.c.
4965 * config/arm/linux-atomic.c: New.
4967 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
4969 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
4970 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
4971 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
4973 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
4976 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
4979 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
4981 PR tree-optimization/38953
4982 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4983 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
4984 (gloog): Split the exit of the scop when the scop exit is a loop exit.
4985 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4988 2009-01-24 Paul Brook <paul@codesourcery.com>
4990 * config/arm/neon.md (neon_type): Move to arm.md.
4991 (neon_mov<VSTRUCT>): Add neon_type attribute.
4992 * config/arm/arm.md (neon_type): Move to here.
4993 (conds): Add "unconditioal" and use as default for NEON insns.
4995 2009-01-24 Ben Elliston <bje@au.ibm.com>
4997 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
4998 void *' warning from -Wc++-compat.
4999 * Makefile.in (dominance.o-warn): Remove.
5001 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
5003 PR tree-optimization/38932
5004 * fold-const.c (fold_unary_ignore_overflow): New.
5005 * tree.h (fold_unary_ignore_overflow): Declare.
5006 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5007 * tree-ssa-sccvn.c (visit_reference_op_load,
5008 simplify_unary_expression): Likewise.
5010 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
5012 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5013 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
5014 regardless of their type.
5015 * c-common.c (handle_packed_attribute): Don't ignore packed on
5017 * c.opt (Wpacked-bitfield-compat): New warning option.
5018 * stor-layout.c (place_field): Warn if offset of a field changed.
5019 * doc/extend.texi (packed): Mention the ABI change.
5020 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5021 (Warning Options): Add it to the list.
5023 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
5025 * c-opts.c (c_common_post_options): Fix a typo in comments.
5027 2009-01-22 Steve Ellcey <sje@cup.hp.com>
5030 * gimplify.c (gimplify_init_constructor): Fix promotion of const
5031 variables to static.
5032 * doc/invoke.texi (-fmerge-all-constants): Update description.
5034 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
5037 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5038 (*movdi_1_rex64): Use type "mmx" for alternative 5.
5040 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
5042 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5044 (LOCAL_ALIGNMENT): Similarly.
5046 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5047 Joseph Myers <joseph@codesourcery.com>
5049 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5050 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5051 * config/arm/arm-tune.md: Regenerate.
5052 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5055 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5057 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5058 version number to five.
5060 2009-01-22 Dodji Seketeli <dodji@redhat.com>
5063 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
5064 * c-common.c (set_underlying_type): Likewise.
5065 (is_typedef_decl ): Likewise
5067 (set_underlying_type): Likewise.
5068 (is_typedef_type): Likewise.
5070 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
5073 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5076 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5079 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
5080 (LIBGCC_SPEC): Don't define.
5081 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
5083 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
5085 PR rtl-optimization/38879
5086 * alias.c (base_alias_check): Unaligned access via AND address can
5087 alias all surrounding object types except those with sizes equal
5088 or wider than the size of unaligned access.
5090 2009-01-21 Dodji Seketeli <dodji@redhat.com>
5093 * c-decl.c (clone_underlying_type): Move this ...
5094 * c-common.c (set_underlying_type): ... here.
5095 Also, make sure the function properly sets TYPE_STUB_DECL() on
5096 the newly created typedef variant type.
5097 (is_typedef_decl ): New entry point.
5098 * tree.h: Added a new member member_types_needing_access_check to
5099 struct tree_decl_non_common.
5100 (set_underlying_type): New entry point.
5101 (is_typedef_type): Likewise.
5103 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
5105 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5106 Check whether two instructions have memory references that
5107 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
5108 are helper functions for traversing.
5109 * alias.h (insn_alias_sets_confilict_p): New prototypes.
5110 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5111 not to draw dependency edge for instructions with non-conflicting
5114 2009-01-20 Joseph Myers <joseph@codesourcery.com>
5117 * longlong.h: Update copyright years. Use soft-fp license notice.
5118 Sync __clz_tab declaration with glibc.
5120 2009-01-20 Steve Ellcey <sje@cup.hp.com>
5123 * doc/extend.texi (syscall_linkage): New.
5124 (version_id): Modify.
5126 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
5127 Richard Guenther <rguenther@suse.de>
5129 PR tree-optimization/38747
5130 PR tree-optimization/38748
5131 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5132 conversion if the base address is an indirect reference and the
5133 aliasing sets could cause issues.
5135 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5137 * common.opt (fgraphite, fgraphite-identity): Add comment for
5138 explaining why these options are not documented.
5140 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5142 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5143 gimple_call_lhs is NULL.
5145 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
5148 * emit-rtl.c (adjust_address_1): Make sure memref is never
5151 2009-01-20 Ben Elliston <bje@au.ibm.com>
5153 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5154 const qualifier from arg parameter. Remove unnecessary cast to char *.
5155 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5156 const qualifier from arg 2.
5158 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5160 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
5162 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5165 * rtl.h (reinit_regs): New prototype.
5166 * regclass.c: Include ira.h.
5168 * Makefile.in (regclass.o): Add ira.h.
5169 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5171 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
5174 * c-common.c (handle_aligned_attribute): Use
5175 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5176 default alignment value.
5178 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5180 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5181 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5183 * doc/extend.texi: Update __attribute__ ((aligned)). Document
5184 __BIGGEST_ALIGNMENT__.
5186 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5188 2009-01-18 Richard Guenther <rguenther@suse.de>
5190 PR tree-optimization/38819
5191 * tree-flow.h (operation_could_trap_helper_p): Declare.
5192 * tree-eh.c (operation_could_trap_helper_p): Export.
5193 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5194 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5195 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5196 are about to insert a possibly trapping instruction and fail
5199 2009-01-18 Andreas Schwab <schwab@suse.de>
5201 * doc/install.texi (Configuration): Remove obsolete paragraph
5202 about use of --with-gnu-ld with --with-gnu-as.
5204 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
5206 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5207 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5208 Follow spelling conventions.
5210 2009-01-18 Ben Elliston <bje@au.ibm.com>
5212 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5213 C++ warning about implicit conversion from void * to struct
5215 (bitmap_obstack_free): Likewise for bitmap_element *.
5216 * Makefile.in (bitmap.o-warn): Remove.
5218 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
5220 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
5222 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
5223 Tobias Grosser <tobi.grosser@amd.com>
5225 * graphite.c (graphite_trans_scop_block): Do not block single
5228 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
5230 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
5231 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
5232 test with assertion.
5234 2009-01-16 Richard Guenther <rguenther@suse.de>
5236 PR tree-optimization/38835
5238 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
5239 and INT + PTR -> (INT)(PTR p+ INT) folding.
5240 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
5242 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
5245 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
5246 the subreg from a lowpart subreg if it is also casting the value.
5248 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5249 Tobias Grosser <tobi.grosser@amd.com>
5251 * graphite.c (compare_prefix_loops): New.
5252 (build_scop_canonical_schedules): Rewritten.
5253 (graphite_transform_loops): Move build_scop_canonical_schedules
5254 after build_scop_iteration_domain.
5256 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
5257 Tobias Grosser <tobi.grosser@amd.com>
5259 * graphite.c (add_conditions_to_domain): Add the loops to
5260 the dimension of the iteration domain. Do copy the domain
5261 only when it exists.
5262 (build_scop_conditions_1): Do not call add_conditions_to_domain.
5263 (add_conditions_to_constraints): New.
5264 (can_generate_code_stmt, can_generate_code): Removed.
5265 (gloog): Do not call can_generate_code.
5266 (graphite_transform_loops): Call add_conditions_to_constraints
5267 after building the iteration domain.
5269 2009-01-16 Jakub Jelinek <jakub@redhat.com>
5271 PR tree-optimization/38789
5272 * tree-ssa-threadedge.c
5273 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
5274 __builtin_constant_p.
5276 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
5278 * dce.c (delete_unmarked_insns): Reversed the order that insns are
5279 examined before deleting them.
5281 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
5283 * function.c (aggregate_value_p): Correctly extract the function
5284 type from CALL_EXPR_FN lookup.
5286 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5288 * config/picochip/picochip.c (picochip_override_options): Revert
5289 CFI asm flag disable commited previously.
5291 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
5292 Tobias Grosser <tobi.grosser@amd.com>
5293 Jan Sjodin <jan.sjodin@amd.com>
5295 * graphite.c (scan_tree_for_params): On substractions negate
5296 all the coefficients of the term.
5297 (clast_to_gcc_expression_red): New. Handle reduction expressions
5298 of more than two operands.
5299 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5300 (get_vdef_before_scop): Handle also the case of default definitions.
5302 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5304 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
5305 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
5306 Also use them when walking CALL_INSN_FUNCTION_USAGE.
5308 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
5309 Joey Ye <joey.ye@intel.com>
5312 * cfgexpand.c (expand_stack_alignment): Don't update stack
5313 boundary nor check incoming stack boundary here.
5314 (gimple_expand_cfg): Update stack boundary and check incoming
5315 stack boundary here.
5317 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
5319 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
5321 2009-01-14 Jakub Jelinek <jakub@redhat.com>
5323 PR rtl-optimization/38245
5324 * calls.c (expand_call): Add stack arguments to
5325 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5326 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
5327 in regs and partially in memory or BLKmode arguments.
5328 (emit_library_call_value_1): Add stack arguments to
5329 CALL_INSN_FUNCTION_USAGE even for pure calls (when
5330 ACCUMULATE_OUTGOING_ARGS).
5331 * dce.c: Include tm_p.h.
5332 (find_call_stack_args): New function.
5333 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
5335 (mark_insn): Call find_call_stack_args for CALL_Ps.
5336 (prescan_insns_for_dce): Walk insns backwards in bb rather than
5337 forwards. Allocate and free arg_stores bitmap if needed, pass it
5338 down to deletable_insn_p, don't mark stores set in arg_stores
5339 bitmap, clear the bitmap at the beginning of each bb.
5340 * Makefile.in (dce.o): Depend on $(TM_P_H).
5342 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5345 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5346 to make sure the insn is a conditional test (bug 22599). Reformat a
5349 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5352 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5353 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5354 (gloog): Do not call cleanup_tree_cfg.
5355 (graphite_transform_loops): Call cleanup_tree_cfg after all
5356 scops have been code generated.
5358 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5359 * doc/gty.texi (Invoking the garbage collector): Added new node
5360 and section documenting ggc_collect.
5362 2009-01-14 Richard Guenther <rguenther@suse.de>
5364 PR tree-optimization/38826
5366 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5367 initialization notes only if we actually emitted a warning.
5368 (intra_create_variable_infos): Add constraints for a result decl
5369 that is passed by hidden reference.
5370 (build_pred_graph): Mark all related variables non-direct on
5373 2009-01-14 Nick Clifton <nickc@redhat.com>
5375 * ira-conflicts.c: Include addresses.h for the definition of
5377 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5378 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5380 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5383 * Makefile.in (ira-lives.o): Add except.h.
5385 * ira-lives.c: Include except.h.
5386 (process_bb_node_lives): Process can_throw_internal.
5388 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5390 PR rtl-optimization/38774
5391 * combine.c (simplify_set): When undoing cc_use change, don't do
5392 PUT_CODE on the newly created comparison, but instead put back the
5395 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5397 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5398 values. Remove duplicate arm8 entry.
5400 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5402 PR tree-optimization/38786
5403 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5404 the SSA_NAME case of expand_scalar_variables_expr.
5405 Set the type of an expression to the type of its assign statement.
5406 (expand_scalar_variables_expr): Also gather the scalar computation
5407 used to index the memory access. Do not pass loop_p.
5408 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5409 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5410 the gimple_stmt_iterator where it inserts new code.
5412 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5413 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5415 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5417 * graphite.h (debug_value): Removed.
5418 * graphite.c (debug_value): Removed.
5420 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5422 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5423 ldrd/strd with two 32-bit instructions.
5425 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5427 * config/arm/arm.c (struct processors): Pass for speed down into
5428 cost helper functions.
5429 (const_ok_for_op): Handle COMPARE and inequality nodes.
5430 (arm_rtx_costs_1): Rewrite.
5431 (arm_size_rtx_costs): Update prototype.
5432 (arm_rtx_costs): Pass speed down to helper functions.
5433 (arm_slowmul_rtx_costs): Rework cost calculations.
5434 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5435 (arm_9e_rtx_costs): Likewise.
5437 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5439 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5440 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5441 (alpha_legitimize_address): Do not split local symbols wider than
5442 UNITS_PER_WORD into HIGH/LO_SUM parts.
5444 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5447 * gcc.c (process_command): Replace call to execvp with calls
5448 to pex_one and exit.
5450 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5453 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5454 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5455 variant for devices with 3-byte PC.
5456 (__tablejump_elpm__): New.
5458 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5461 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5462 offsetof member-designator, handle it as `[0].'.
5464 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5466 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5467 function when not using named sections on targets with named sections
5468 if branch distance is less than 262132.
5470 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5472 * combine.c (combine_instructions): Recompute
5473 optimize_this_for_speed_p for each BB in the main combine loop.
5475 2009-01-12 Tomas Bily <tbily@suse.cz>
5478 * tree-loop-distribution.c (prop_phis): New function.
5479 (generate_builtin): Call prop_phis.
5480 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5482 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5484 PR tree-optimization/38807
5485 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5486 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5488 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5490 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5491 subreg of op0 to the original op0.
5493 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5495 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5497 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5500 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5501 starting with digits.
5503 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5506 * config/arm/arm.c (arm_is_long_call_p): Don't call
5507 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5509 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5511 * regrename.c (regrename_optimize): Fix dumping.
5512 (find_oldest_value_reg): Preserve REG_POINTER.
5513 (copy_hardreg_forward_1): Likewise.
5515 2009-01-09 Diego Novillo <dnovillo@google.com>
5517 * gimple.h (struct gimple_statement_base) <uid>: Document
5518 the restrictions on its use.
5520 (gimple_set_uid): Tidy.
5522 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5524 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5525 zero guard even if align_bytes != 0 and count is smaller than
5528 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5530 PR rtl-optimization/38495
5531 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5532 (add_range_and_copies_from_move_list): Print all added ranges.
5533 Add ranges to memory optimized destination.
5535 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5539 * config/i386/i386.c (override_options): Reject
5540 -mstringop-strategy=rep_8byte with -m32.
5541 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5542 to 1. Do count comparison against epilogue_size_needed at compile
5543 time even when count_exp was constant forced into register. For
5544 size_needed don't jump to epilogue, instead just avoid aligning
5545 and invoke the body algorithm. If need_zero_guard, add zero guard
5546 even if count is non-zero, but smaller than size_needed + number of
5547 bytes that could be stored for alignment.
5548 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5549 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5550 but smaller than size_needed + number of bytes that could be stored
5551 for alignment. Compare size_needed with epilogue_size_needed instead
5552 of desired_align - align, don't adjust size_needed, pass
5553 epilogue_size_needed to the epilogue expanders.
5556 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5558 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5560 * pa.c (last_address): Change to unsigned.
5561 (update_total_code_bytes): Change argument to unsigned. Don't
5562 check if insn addresses are set.
5563 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5564 addresses are not set.
5565 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5567 2009-01-09 Nick Clifton <nickc@redhat.com>
5569 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5570 DECL_DECLARED_INLINE_P.
5572 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5575 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5576 GET_MODE (op0) in operand_subword_force calls.
5579 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5580 fold_convert arg0 operands to TREE_TYPE (op0) first.
5582 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5584 * params.def (ira-max-conflict-table-size): Decrease default value
5587 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5589 PR tree-optimization/37031
5590 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5592 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5593 allocate it using gc instead of heap, use VEC_quick_push instead of
5595 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5596 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5597 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5598 allocated vector from heap allocated.
5599 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5600 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5601 vector only after perfect_loop_nest_depth call.
5603 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5604 Jan Sjodin <jan.sjodin@amd.com>
5606 PR tree-optimization/38559
5607 * graphite.c (debug_value, copy_constraint,
5608 swap_constraint_variables, scale_constraint_variable, ): New.
5609 (get_lower_bound, get_upper_bound): Removed.
5610 (graphite_trans_bb_strip_mine): Clean up this code that works
5611 only for constant number of iterations. Fully copy upper and
5612 lower bound constraints, not only the constant part of them.
5613 * graphite.h (debug_value): Declared.
5615 2009-01-08 Ira Rosen <irar@il.ibm.com>
5617 PR tree-optimization/37194
5618 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5619 Don't add the cost of cost model guard in prologue to scalar
5620 outside cost in case of known number of iterations.
5622 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5623 Alan Modra <amodra@bigpond.net.au>
5625 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5626 non-word-aligned REG+CONST addressing.
5628 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5631 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5632 free_after_compilation when outputting a thunk.
5633 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5634 Do not call free_after_compilation here.
5636 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5638 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5639 (ix86_valid_target_attribute_inner_p): Ditto.
5641 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5643 PR tree-optimization/38492
5644 PR tree-optimization/38498
5645 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5646 * tree-chrec.h (scev_is_linear_expression): Declared.
5647 * graphite.c (graphite_cannot_represent_loop_niter): New.
5648 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5649 (graphite_loop_normal_form): Use gcc_assert.
5650 (scan_tree_for_params): Use CASE_CONVERT.
5651 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5652 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5653 Use gcc_assert. Discard scops that contain unhandled cases.
5654 (build_scop_conditions): Return a boolean status for unhandled cases.
5655 (strip_mine_profitable_p): Print the loop number, not its depth.
5656 (is_interchange_valid): Pass the depth of the loop nest, don't
5657 recompute it wrongly.
5658 (graphite_trans_bb_block): Same.
5659 (graphite_trans_bb_block): Print tentative of loop blocking.
5660 (graphite_trans_scop_block): Do not print that the loop has been
5662 (graphite_transform_loops): Do not handle scops that contain condition
5665 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5667 AVX Programming Reference (December, 2008)
5668 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5669 (_mm256_stream_pd): Likewise.
5670 (_mm256_stream_ps): Likewise.
5672 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5673 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5674 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5675 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5676 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5677 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5678 (ix86_expand_special_args_builtin): Likewise.
5680 * config/i386/sse.md (AVXMODEDI): New.
5681 (avx_movnt<mode>): Likewise.
5682 (avx_movnt<mode>): Likewise.
5683 (<sse>_movnt<mode>): Remove AVX support.
5684 (sse2_movntv2di): Likewise.
5686 2009-01-07 Richard Guenther <rguenther@suse.de>
5689 * fold-const.c (extract_muldiv): Remove obsolete comment.
5690 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5691 to PLUS_EXPR canonicalization for the canonicalization.
5693 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5695 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5696 hosted cross-compilers generating less efficient code.
5698 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5700 * function.h (rtl_data): Add a dbr_scheduled_p field.
5701 * reorg.c (dbr_schedule): Set it.
5702 (gate_handle_delay_slots): Check it.
5703 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5704 (mips_reorg): Check flag_delayed_branch instead of
5705 mips_base_delayed_branch.
5706 (mips_override_options): Don't set mips_base_delayed_branch
5707 or flag_delayed_branch.
5709 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5711 PR rtl-optimization/38426.
5712 * ira.c (ira): Set current_function_is_leaf earlier.
5714 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5716 PR rtl-optimization/38722
5717 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5718 too early, only set a flag and modify after last possible
5721 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5724 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5725 * real.c (decimal_single_format): Correct values of emin and emax.
5726 (decimal_double_format): Ditto.
5727 (decimal_quad_format): Ditto.
5728 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5729 computation of DECnn_MIN and DECnn_MAX for corrected values of
5730 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5731 __DECnn_MIN__, and adjust its computation for the corrected value
5734 2009-01-06 Jan Hubicka <jh@suse.cz>
5737 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5739 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5741 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5742 Add Robert Clark to the list of testers.
5744 2009-01-06 Jan Hubicka <jh@suse.cz>
5745 Kai Tietz <kai.tietz@onevision.com>
5747 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5748 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5750 2009-01-06 Jan Hubicka <jh@suse.cz>
5751 Kai Tietz <kai.tietz@onevision.com>
5753 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5755 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5756 (ix86_nsaved_regs): Count only general purpose regs.
5757 (ix86_nsaved_sseregs): New.
5758 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5759 to 16 for w64; compute padding and size of sse reg save area.
5760 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5761 general purpose regs.
5762 (ix86_emit_save_sse_regs_using_mov): New.
5763 (ix86_expand_prologue): Save SSE regs if needed.
5764 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5765 (ix86_emit_restore_sse_regs_using_mov): New.
5766 (ix86_expand_epilogue): Save SSE regs if needed.
5768 2009-01-06 Jan Hubicka <jh@suse.cz>
5769 Kai Tietz <kai.tietz@onevision.com>
5771 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5772 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5773 functions when accumulate outgoing args is off.
5775 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5778 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5779 before using pseudos_have_intersected_live_ranges_p.
5781 * ira-int.h (ira_assert): Always define.
5783 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5785 AVX Programming Reference (December, 2008)
5786 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5787 (_mm256_permute2_pd): Likewise.
5788 (_mm_permute2_ps): Likewise.
5789 (_mm256_permute2_ps): Likewise.
5790 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5791 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5793 * config/i386/i386.c (ix86_builtins): Remove
5794 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5795 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5796 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5797 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5798 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5799 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5800 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5801 __builtin_ia32_vpermil2ps256.
5802 (ix86_init_mmx_sse_builtins): Updated.
5803 (ix86_expand_args_builtin): Likewise.
5805 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5807 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5808 long absolute calls when generating PA 2.0 code.
5810 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5812 PR rtl-optimization/38583
5813 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5815 * params.def (ira-max-conflict-table-size): New.
5817 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5819 * ira.h (ira_conflicts_p): New external definition.
5821 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5822 table. Report this. Return result of building.
5823 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5824 building conflict table.
5826 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5827 (ira_color): Use ira_conflicts_p.
5829 * global.c: Include ira.h.
5830 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5833 * Makefile.in (global.o): Add ira.h.
5835 * ira-build.c (mark_all_loops_for_removal,
5836 propagate_some_info_from_allocno): New.
5837 (remove_unnecessary_allocnos): Call
5838 propagate_some_info_from_allocno.
5839 (remove_low_level_allocnos): New.
5840 (remove_unnecessary_regions): Add parameter. Call
5841 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5842 parameter to remove_unnecessary_regions.
5843 (ira_build): Remove all regions but root if the conflict table was
5844 not built. Update conflict hard regs for allocnos crossing calls.
5846 * ira.c (ira_conflicts_p): New global.
5847 (ira): Define and use ira_conflicts_p.
5849 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5850 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5851 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5853 2009-01-06 Ben Elliston <bje@au.ibm.com>
5855 * gengtype-lex.l (YY_NO_INPUT): Define.
5857 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5860 * c-common.c (handle_vector_size_attribute): Also reject
5863 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5865 PR tree-optimization/38492
5866 * graphite.c (rename_map_elt, debug_rename_elt,
5867 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5868 rename_map_elt_info, eq_rename_map_elts,
5869 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5870 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5871 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5872 (sese_build_livein_liveouts): New.
5873 (new_sese, free_sese): New.
5874 (new_scop): Call new_sese.
5875 (free_scop): Call free_sese.
5876 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5877 (register_old_new_names): Renamed register_old_and_new_names.
5878 (register_scop_liveout_renames, add_loop_exit_phis,
5879 insert_loop_close_phis, struct igp,
5880 default_liveout_before_guard, add_guard_exit_phis,
5881 insert_guard_phis, copy_renames): New.
5882 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5883 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5884 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5885 (scop_adjust_phis_for_liveouts): New.
5886 (gloog): Call scop_adjust_phis_for_liveouts.
5888 * graphite.h (struct sese): Documented. Added fields liveout,
5890 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5891 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5892 (struct scop): Added field liveout_renames.
5893 (SCOP_LIVEOUT_RENAMES): New.
5895 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5897 PR tree-optimization/38510
5898 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5899 (translate_clast): Call recompute_all_dominators before
5901 (gloog): Call recompute_all_dominators before graphite_verify.
5903 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5904 Jan Sjodin <jan.sjodin@amd.com>
5906 PR tree-optimization/38500
5907 * graphite.c (create_sese_edges): Call fix_loop_structure after
5910 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5912 * config.gcc: Add m32r*-*-rtems*.
5913 * config/m32r/rtems.h: New file.
5915 2009-01-05 Ben Elliston <bje@au.ibm.com>
5917 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5918 (.po.pox): Likewise.
5919 (po/gcc.pot): Likewise.
5921 2009-01-04 David S. Miller <davem@davemloft.net>
5923 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5924 (STARTING_FRAME_OFFSET): Always set to zero.
5926 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5928 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5929 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5930 fixed-point types, and vectors of the same.
5932 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5934 * config/mips/sync.md (*mb_barrier): Rename to...
5935 (*memory_barrier): ...this.
5937 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5939 * doc/extend.texi (Function Attributes): Move @cindex after @item
5940 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5941 and put in alphabetical order. Fix 'target' name and put in order.
5942 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5945 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5947 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5948 (memory_barrier): Expand as unspec instead of unspec_volatile.
5949 Remove mem:BLK from insn operands. Use Pmode scratch register.
5950 (*memory_barrier): Define as unspec instead of unspec_volatile.
5951 Use (match_dup 0) as input operand.
5953 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
5954 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
5955 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
5956 scratch register. Remove operand 1.
5957 (*stbar): Define as unspec instead of unspec_volatile.
5958 Use (match_dup 0) as input operand, remove (const_int 8).
5959 (*membar): Define as unspec instead of unspec_volatile.
5960 Use (match_dup 0) as input operand, remove input operand 2.
5962 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
5963 (memory_barrier): Expand as unspec instead of unspec_volatile.
5964 Remove mem:BLK from insn operands. Use Pmode scratch register.
5965 (*memory_barrier): Define as unspec instead of unspec_volatile.
5966 Use (match_dup 0) as input operand.
5968 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
5969 Remove mem:BLK from insn operands. Use Pmode scratch register.
5970 Set volatile flag on operand 0.
5971 (*memory_barrier): New insn pattern.
5973 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
5975 (*memory_barrier): Use (match_dup 0) as input operand.
5977 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
5978 Remove mem:BLK from insn operands. Use Pmode scratch register.
5979 Set volatile flag on operand 0.
5980 (*mb_internal): New insn pattern.
5982 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
5984 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5987 * function.c (struct temp_slot): Move to the section of the file
5988 that deals with temp slots. Remove field 'address'.
5989 (temp_slot_address_table): New hash table of address -> temp slot.
5990 (struct temp_slot_address_entry): New struct, items for the table.
5991 (temp_slot_address_compute_hash, temp_slot_address_hash,
5992 temp_slot_address_eq, insert_temp_slot_address): Support functions
5994 (find_temp_slot_from_address): Rewrite to use the new hash table.
5995 (remove_unused_temp_slot_addresses): Remove addresses of temp
5996 slots that have been made available.
5997 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
5998 worker function for remove_unused_temp_slot_addresses.
5999 (assign_stack_temp_for_type): Don't clear the temp slot address list.
6000 Add the temp slot address to the address -> temp slot map.
6001 (update_temp_slot_address): Update via insert_temp_slot_address.
6002 (free_temp_slots): Call remove_unused_temp_slot_addresses.
6003 (pop_temp_slots): Likewise.
6004 (init_temp_slots): Allocate the address -> temp slot map, or empty
6005 the map if it is already allocated.
6006 (prepare_function_start): Initialize temp slot processing.
6008 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6011 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6012 Calculate the size of all stack vars assuming no packing of stack
6013 vars will happen, replacing a quadratic algorithm with a linear one.
6015 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6018 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6021 2009-01-03 Diego Novillo <dnovillo@google.com>
6023 * doc/contrib.texi: Update contributions.
6025 2009-01-03 Jakub Jelinek <jakub@redhat.com>
6028 * builtins.c (fold_builtin_memory_op): Give up if either operand
6029 is volatile. Set srctype or desttype to non-qualified version
6033 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6036 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
6038 PR rtl-optimization/35805
6039 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6040 problem if fast dce is able to remove any instructions.
6041 * dce.c (dce_process_block): Fix dump message.
6043 2009-01-02 Mark Mitchell <mark@codesourcery.com>
6046 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6048 2009-01-02 Jakub Jelinek <jakub@redhat.com>
6051 * tree-flow.h (op_code_prio, op_prio): New prototypes.
6052 * tree-pretty-print.c (op_code_prio): New function.
6053 (op_prio): No longer static. Use op_code_prio.
6054 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6055 Use op_prio and op_code_prio to determine if () should be
6056 printed around operand(s) or not.
6058 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6059 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6060 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6061 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6062 pp_character instead of pp_string for single letter printing.
6064 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6066 * doc/extend.texi: Fix '#pragma GCC option' typo.
6068 2009-01-02 Richard Guenther <rguenther@suse.de>
6070 * doc/install.texi (--enable-checking): Mention different
6072 (--enable-stage1-checking): Document.
6074 2009-01-01 Andrew Pinski <pinskia@gmail.com>
6077 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
6078 case to be an error.
6080 2009-01-02 Ben Elliston <bje@au.ibm.com>
6082 * config/fp-bit.h (pack_d): Constify argument.
6083 * config/fp-bit.c (makenan): Constify return type. Remove casts.
6084 (isnan): Constify argument.
6088 (_fpadd_parts): Constify return type.
6089 (_fpmul_parts): Likewise.
6090 (_fpdiv_parts): Likewise.
6092 2009-01-01 Jakub Jelinek <jakub@redhat.com>
6095 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
6096 warn about overwriting initializer with side-effects or
6097 -Woverride-init if !IMPLICIT.
6098 (output_init_element): Likewise. Pass IMPLICIT down to
6100 (process_init_element): Add IMPLICIT argument. Pass it down
6101 to output_init_element.
6102 (push_init_element, pop_init_level, set_designator): Adjust
6103 process_init_element callers.
6104 (set_nonincremental_init, set_nonincremental_init_from_string):
6105 Adjust add_pending_init callers.
6106 (output_pending_init_elements): Adjust output_init_element callers.
6107 * c-tree.h (process_init_element): Adjust prototype.
6108 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6109 process_init_element callers.